Post-merge fixes. Reformat. Optimize Imports.

Merge remote-tracking branch 'origin/master' into fabric/master
# Conflicts: # build.gradle # gradle.properties # src/api/java/appeng/api/util/DimensionalCoord.java # src/main/java/appeng/block/paint/PaintSplotchesBakedModel.java # src/main/java/appeng/bootstrap/BlockDefinitionBuilder.java # src/main/java/appeng/client/gui/AEBaseScreen.java # src/main/java/appeng/client/gui/implementations/CraftAmountScreen.java # src/main/java/appeng/client/gui/implementations/CraftConfirmScreen.java # src/main/java/appeng/client/gui/implementations/CraftingStatusScreen.java # src/main/java/appeng/client/gui/implementations/InterfaceScreen.java # src/main/java/appeng/client/gui/implementations/InterfaceTerminalScreen.java # src/main/java/appeng/client/gui/implementations/LevelEmitterScreen.java # src/main/java/appeng/client/gui/implementations/NumberEntryWidget.java # src/main/java/appeng/client/gui/implementations/PriorityScreen.java # src/main/java/appeng/client/gui/widgets/IconButton.java # src/main/java/appeng/client/gui/widgets/NumberBox.java # src/main/java/appeng/client/gui/widgets/SettingToggleButton.java # src/main/java/appeng/client/gui/widgets/TabButton.java # src/main/java/appeng/client/render/DelegateBakedModel.java # src/main/java/appeng/client/render/DummyFluidDispatcherBakedModel.java # src/main/java/appeng/client/render/FacadeBakedItemModel.java # src/main/java/appeng/client/render/FacadeDispatcherBakedModel.java # src/main/java/appeng/client/render/cablebus/P2PTunnelFrequencyBakedModel.java # src/main/java/appeng/client/render/crafting/EncodedPatternBakedModel.java # src/main/java/appeng/client/render/model/AutoRotatingBakedModel.java # src/main/java/appeng/client/render/model/BiometricCardBakedModel.java # src/main/java/appeng/client/render/model/ColorApplicatorBakedModel.java # src/main/java/appeng/client/render/model/GlassBakedModel.java # src/main/java/appeng/client/render/model/MemoryCardBakedModel.java # src/main/java/appeng/client/render/model/SkyCompassBakedModel.java # src/main/java/appeng/client/render/tesr/ChestTileEntityRenderer.java # src/main/java/appeng/container/AEBaseContainer.java # src/main/java/appeng/container/ContainerLocator.java # src/main/java/appeng/container/guisync/SyncData.java # src/main/java/appeng/container/implementations/CellWorkbenchContainer.java # src/main/java/appeng/container/implementations/CondenserContainer.java # src/main/java/appeng/container/implementations/ContainerHelper.java # src/main/java/appeng/container/implementations/CraftConfirmContainer.java # src/main/java/appeng/container/implementations/CraftingCPUContainer.java # src/main/java/appeng/container/implementations/CraftingCPURecord.java # src/main/java/appeng/container/implementations/CraftingStatusContainer.java # src/main/java/appeng/container/implementations/IOPortContainer.java # src/main/java/appeng/container/implementations/InscriberContainer.java # src/main/java/appeng/container/implementations/InterfaceTerminalContainer.java # src/main/java/appeng/container/implementations/LevelEmitterContainer.java # src/main/java/appeng/container/implementations/MEMonitorableContainer.java # src/main/java/appeng/container/implementations/MolecularAssemblerContainer.java # src/main/java/appeng/container/implementations/PatternTermContainer.java # src/main/java/appeng/container/implementations/PriorityContainer.java # src/main/java/appeng/container/implementations/QuartzKnifeContainer.java # src/main/java/appeng/container/implementations/SpatialIOPortContainer.java # src/main/java/appeng/container/implementations/VibrationChamberContainer.java # src/main/java/appeng/container/implementations/WirelessTermContainer.java # src/main/java/appeng/core/AEConfig.java # src/main/java/appeng/core/AppEngBootstrap.java # src/main/java/appeng/core/Registration.java # src/main/java/appeng/core/api/definitions/ApiItems.java # src/main/java/appeng/core/features/registries/WorldGenRegistry.java # src/main/java/appeng/core/sync/network/NetworkHandler.java # src/main/java/appeng/core/worlddata/WorldData.java # src/main/java/appeng/datagen/providers/loot/BlockDropProvider.java # src/main/java/appeng/debug/ChunkLoaderBlockEntity.java # src/main/java/appeng/debug/ReplicatorCardItem.java # src/main/java/appeng/entity/GrowingCrystalEntity.java # src/main/java/appeng/fluids/client/gui/FluidLevelEmitterScreen.java # src/main/java/appeng/fluids/client/gui/FluidTerminalScreen.java # src/main/java/appeng/fluids/container/FluidConfigurableContainer.java # src/main/java/appeng/fluids/container/FluidInterfaceContainer.java # src/main/java/appeng/fluids/container/FluidLevelEmitterContainer.java # src/main/java/appeng/fluids/container/FluidTerminalContainer.java # src/main/java/appeng/fluids/util/AEFluidInventory.java # src/main/java/appeng/items/misc/CrystalSeedItem.java # src/main/java/appeng/items/misc/CrystalSeedRendering.java # src/main/java/appeng/items/storage/SpatialStorageCellItem.java # src/main/java/appeng/me/cluster/implementations/QuantumCluster.java # src/main/java/appeng/mixins/feature/ConfiguredFeaturesAccessor.java # src/main/java/appeng/mixins/spatial/BiomesMixin.java # src/main/java/appeng/mixins/spatial/DimensionTypeMixin.java # src/main/java/appeng/mixins/spatial/EntityMixin.java # src/main/java/appeng/mixins/spatial/SkyRenderMixin.java # src/main/java/appeng/mixins/structure/BiomeAccessor.java # src/main/java/appeng/mixins/structure/GenerationSettingsAccessor.java # src/main/java/appeng/parts/automation/FormationPlanePart.java # src/main/java/appeng/parts/automation/PlaneBakedModel.java # src/main/java/appeng/server/subcommands/SpatialStorageCommand.java # src/main/java/appeng/server/subcommands/TestMeteoritesCommand.java # src/main/java/appeng/server/subcommands/TestOreGenCommand.java # src/main/java/appeng/spatial/SpatialStorageBiome.java # src/main/java/appeng/spatial/SpatialStorageChunkGenerator.java # src/main/java/appeng/spatial/SpatialStorageDimensionIds.java # src/main/java/appeng/spatial/SpatialStorageHelper.java # src/main/java/appeng/util/Platform.java # src/main/java/appeng/worldgen/BiomeModifier.java # src/main/java/appeng/worldgen/meteorite/MeteoriteStructureStart.java # src/main/java/appeng/worldgen/meteorite/fallout/FalloutCopy.java # src/main/resources/assets/appliedenergistics2/textures/guis/states.png
2020-09-20 14:47:25 +02:00 · 2020-09-20 14:11:22 +02:00 · 2020-09-20 01:06:53 +02:00 · 2020-09-20 00:42:52 +02:00 · 2020-09-20 00:26:34 +02:00 · 2020-09-19 18:20:11 +02:00
163 changed files with 3062 additions and 3283 deletions
@@ -2,7 +2,8 @@ name: 'Build PRs'

 on:
  pull_request:
-    branches: [ master ]
+    branches:
+      - '*'

 jobs:
  build:
@@ -47,6 +47,47 @@ repositories {
    }
 }

+dependencies {
+    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
+    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+    //Fabric api
+    modImplementation "net.fabricmc.fabric-api:fabric-api:${fabric_version}"
+
+    modImplementation "alexiil.mc.lib:libblockattributes-core:${libblockattributes_version}"
+    modImplementation "alexiil.mc.lib:libblockattributes-items:${libblockattributes_version}"
+    modImplementation "alexiil.mc.lib:libblockattributes-fluids:${libblockattributes_version}"
+    include "alexiil.mc.lib:libblockattributes-core:${libblockattributes_version}"
+    include "alexiil.mc.lib:libblockattributes-items:${libblockattributes_version}"
+    include "alexiil.mc.lib:libblockattributes-fluids:${libblockattributes_version}"
+
+    // Energy API
+    modApi "teamreborn:energy:${tr_energy_version}"
+    include "teamreborn:energy:${tr_energy_version}"
+
+    modCompileOnly("me.shedaniel:RoughlyEnoughItems:${rei_version}") {
+        exclude group: "net.fabricmc.fabric-api"
+    }
+    modCompileOnly("mcp.mobius.waila:Hwyla:1.16.1-1.9.22-75") {
+        exclude group: "net.fabricmc.fabric-api"
+    }
+    modRuntime("me.shedaniel:RoughlyEnoughItems:${rei_version}") {
+        exclude group: "net.fabricmc.fabric-api"
+    }
+    modRuntime("TechReborn:TechReborn-1.16:3.5.1+build.101") {
+        exclude group: "net.fabricmc.fabric-api"
+    }
+//    modRuntimeOnly "mcp.mobius.waila:Hwyla:1.16.1-1.9.22-75"
+
+    implementation 'com.google.code.findbugs:jsr305:3.0.2'
+
+    // unit test dependencies
+    testCompile "junit:junit:4.13"
+}
+group = artifact_group
+archivesBaseName = artifact_basename
+
 sourceCompatibility = targetCompatibility = JavaVersion.VERSION_1_8
 compileJava {
    sourceCompatibility = targetCompatibility = JavaVersion.VERSION_1_8
@@ -59,7 +100,9 @@ tasks.withType(JavaCompile) {
    options.encoding = 'UTF-8'
 }

-// Create version number
+///////////////////
+// Version Number
+
 ext.pr = System.getenv('PR_NUMBER') ?: ""
 if (ext.pr) {
  version = version + "+pr." + ext.pr
@@ -81,9 +124,8 @@ if (ext.tag && ext.tag.startsWith("fabric/v")) {
  }
 }

-// Maven group and artifact name
-group = artifact_group
-archivesBaseName = artifact_basename
+ext.isAlpha = project.version.contains("alpha")
+ext.isBeta = project.version.contains("beta")

 sourceSets {
    api
@@ -119,51 +161,12 @@ configurations {
    siteexportRuntime.extendsFrom(runtimeClasspath)
 }

-apply from: 'gradle/scripts/spotless.gradle'
-
+////////////////////
+// Forge/Minecraft
 minecraft {
    accessWidener "src/main/resources/appliedenergistics2.accesswidener"
 }

-dependencies {
-    minecraft "com.mojang:minecraft:${project.minecraft_version}"
-    mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
-    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
-
-    //Fabric api
-    modImplementation "net.fabricmc.fabric-api:fabric-api:${fabric_version}"
-
-    modImplementation "alexiil.mc.lib:libblockattributes-core:${libblockattributes_version}"
-    modImplementation "alexiil.mc.lib:libblockattributes-items:${libblockattributes_version}"
-    modImplementation "alexiil.mc.lib:libblockattributes-fluids:${libblockattributes_version}"
-    include "alexiil.mc.lib:libblockattributes-core:${libblockattributes_version}"
-    include "alexiil.mc.lib:libblockattributes-items:${libblockattributes_version}"
-    include "alexiil.mc.lib:libblockattributes-fluids:${libblockattributes_version}"
-
-    // Energy API
-    modApi "teamreborn:energy:${tr_energy_version}"
-    include "teamreborn:energy:${tr_energy_version}"
-
-    modCompileOnly("me.shedaniel:RoughlyEnoughItems:5.0.2-unstable") {
-        exclude group: "net.fabricmc.fabric-api"
-    }
-    modCompileOnly("mcp.mobius.waila:Hwyla:1.16.1-1.9.22-75") {
-        exclude group: "net.fabricmc.fabric-api"
-    }
-    modRuntime("me.shedaniel:RoughlyEnoughItems:5.0.2-unstable") {
-        exclude group: "net.fabricmc.fabric-api"
-    }
-    modRuntime("TechReborn:TechReborn-1.16:3.5.1+build.101") {
-        exclude group: "net.fabricmc.fabric-api"
-    }
-//    modRuntimeOnly "mcp.mobius.waila:Hwyla:1.16.1-1.9.22-75"
-
-    implementation 'com.google.code.findbugs:jsr305:3.0.2'
-
-    // unit test dependencies
-    testCompile "junit:junit:4.13"
-}
-
 processResources {
    inputs.property "version", project.version

@@ -177,10 +180,76 @@ processResources {
    }
 }

-apply from: 'gradle/scripts/artifacts.gradle'
-apply from: 'gradle/scripts/curseforge.gradle'
+//////////////
+// Aritfacts
+processResources {
+    exclude '.cache'
+}

-// configure the maven publication
+jar {
+    finalizedBy 'remapJar'
+
+    from sourceSets.main.output.classesDirs
+    from sourceSets.api.output.classesDirs
+    from sourceSets.main.output.resourcesDir
+    from sourceSets.api.output.resourcesDir
+
+    manifest {
+        attributes([
+                "Specification-Title": "Applied Energistics 2",
+                "Specification-Vendor": "TeamAppliedEnergistics",
+                "Specification-Version": "${project.version}",
+                "Implementation-Title": "${project.name}",
+                "Implementation-Version": "${project.version}",
+                "Implementation-Vendor" :"TeamAppliedEnergistics",
+                "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
+                "MixinConfigs": "appliedenergistics2.mixins.json"
+        ])
+    }
+}
+
+task javadocs(type: Javadoc) {
+    classpath = sourceSets.main.compileClasspath
+    source = sourceSets.api.java
+    include "appeng/api/**"
+
+    options.addStringOption('Xdoclint:none', '-quiet')
+    options.encoding = 'UTF-8'
+    options.charSet = 'UTF-8'
+}
+
+task javadocJar(type: Jar, dependsOn: javadocs) {
+    classifier = "javadoc"
+    from javadoc.destinationDir
+}
+// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
+// if it is present.
+// If you remove this task, sources will not be generated.
+task sourcesJar(type: Jar, dependsOn: classes) {
+    classifier = "sources"
+    from sourceSets.main.allSource
+    from sourceSets.api.allSource
+}
+
+task apiJar(type: Jar) {
+    classifier = "api"
+    from sourceSets.api.output
+    include "appeng/api/**"
+
+    // TODO: when FG bug is fixed, remove allJava from the api jar.
+    // https://github.com/MinecraftForge/ForgeGradle/issues/369
+    // Gradle should be able to pull them from the -sources jar.
+    from sourceSets.api.allJava
+}
+
+artifacts {
+    archives javadocJar
+    archives sourcesJar
+    archives apiJar
+}
+
+//////////////////
+// Maven publish
 publishing {
    if (!version.endsWith("-SNAPSHOT")) {
        publications {
@@ -239,3 +308,64 @@ task runSiteExport(type: RunClientTask, dependsOn: downloadAssets, group: "ae2",
    classpath sourceSets.main.output
    classpath sourceSets.siteexport.output
 }
+
+/////////////
+// Spotless
+spotless {
+    java {
+        target 'src/*/java/appeng/**/*.java'
+
+        indentWithSpaces()
+        eclipse().configFile 'codeformat/codeformat.xml'
+        importOrderFile 'codeformat/ae2.importorder'
+    }
+    format 'json', {
+        target 'src/*/resources/**/*.json'
+        targetExclude 'src/generated/resources/**'
+        prettier().config(['parser': 'json'])
+    }
+}
+
+////////////////
+// Curse Forge
+if (System.getenv("CURSEFORGE") && !version.endsWith("-SNAPSHOT")) {
+    def cfReleaseType = "release"
+    if (ext.isAlpha) {
+      cfReleaseType = "alpha"
+    } else if (ext.isBeta) {
+      cfReleaseType = "beta"
+    }
+
+    curseforge {
+        apiKey = System.getenv("CURSEFORGE")
+        project {
+            id = project.curseforge_project
+            changelogType = "markdown"
+            changelog = System.getenv("CHANGELOG") ?: "Please visit our [releases](https://github.com/AppliedEnergistics/Applied-Energistics-2/releases) for a changelog"
+            releaseType = cfReleaseType
+            addGameVersion project.minecraft_version
+            addGameVersion "Fabric"
+            mainArtifact(remapJar.archiveFile) {
+                displayName = "${project.version} [FABRIC]"
+            }
+        }
+        options {
+            forgeGradleIntegration = false
+        }
+        afterEvaluate {
+            tasks.getByName("curseforge${project.curseforge_project}").dependsOn remapJar
+        }
+    }
+}
+
+////////////////
+// IntelliJ Project Import
+// The Mixin annotation process does not have an obfuscation source when running through the IntelliJ compiler,
+// thus we have to prevent it from being activated as part of importing this Gradle project into IntelliJ.
+if (System.getProperty("idea.sync.active") == "true") {
+    afterEvaluate {
+        tasks.withType(JavaCompile).all {
+            it.options.annotationProcessorPath = files()
+        }
+    }
+}
@@ -3,28 +3,24 @@ version=0.0.0-SNAPSHOT
 artifact_group=appeng
 artifact_basename=appliedenergistics2-fabric

-kotlin.code.style=official
 org.gradle.jvmargs=-Xmx2G

 # Fabric Properties
 # Check these on https://modmuss50.me/fabric.html

-minecraft_version=1.16.2
-yarn_mappings=1.16.2+build.6
-loader_version=0.9.2+build.206
+minecraft_version=1.16.3
+yarn_mappings=1.16.3+build.11
+loader_version=0.9.3+build.207

 #Fabric api
-fabric_version=0.17.2+build.396-1.16
+fabric_version=0.21.0+build.407-1.16

-loom_version=0.4-SNAPSHOT
-
-# Kotlin
-kotlin_version=1.3.61
-fabric_kotlin_version=1.3.61+build.1
+loom_version=0.5-SNAPSHOT

 # Dependencies
 libblockattributes_version=0.8.0
 tr_energy_version=0.1.0
+rei_version=5.2.10

 #########################################################
 # Deployment                                            #
@@ -1,78 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-processResources {
-    exclude '.cache'
-}
-
-jar {
-    finalizedBy 'remapJar'
-
-    from sourceSets.main.output.classesDirs
-    from sourceSets.api.output.classesDirs
-    from sourceSets.main.output.resourcesDir
-    from sourceSets.api.output.resourcesDir
-
-    manifest {
-        attributes([
-                "Specification-Title": "Applied Energistics 2",
-                "Specification-Vendor": "TeamAppliedEnergistics",
-                "Specification-Version": "${project.version}",
-                "Implementation-Title": "${project.name}",
-                "Implementation-Version": "${project.version}",
-                "Implementation-Vendor" :"TeamAppliedEnergistics",
-                "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
-        ])
-    }
-}
-
-task javadocs(type: Javadoc) {
-    classpath = sourceSets.main.compileClasspath
-    source = sourceSets.api.java
-    include "appeng/api/**"
-
-    options.addStringOption('Xdoclint:none', '-quiet')
-    options.encoding = 'UTF-8'
-    options.charSet = 'UTF-8'
-}
-
-task javadocJar(type: Jar, dependsOn: javadocs) {
-    classifier = "javadoc"
-    from javadoc.destinationDir
-}
-
-// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
-// if it is present.
-// If you remove this task, sources will not be generated.
-task sourcesJar(type: Jar, dependsOn: classes) {
-    classifier = "sources"
-    from sourceSets.main.allSource
-    from sourceSets.api.allSource
-}
-
-task apiJar(type: Jar) {
-    classifier = "api"
-    from sourceSets.api.output
-    include "appeng/api/**"
-}
-
-artifacts {
-    archives javadocJar
-    archives sourcesJar
-    archives apiJar
-}
@@ -1,50 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2020, TeamAppliedEnergistics, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *g GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-def isAlpha = project.version.contains("alpha")
-def isBeta = project.version.contains("beta")
-
-def cfReleaseType = "release"
-if (isAlpha) {
-  cfReleaseType = "alpha"
-} else if (isBeta) {
-  cfReleaseType = "beta"
-}
-
-if (System.getenv("CURSEFORGE") && !version.endsWith("-SNAPSHOT")) {
-  curseforge {
-    apiKey = System.getenv("CURSEFORGE")
-    project {
-      id = project.curseforge_project
-      changelogType = "markdown"
-      changelog = System.getenv("CHANGELOG") ?: "Please visit our [releases](https://github.com/AppliedEnergistics/Applied-Energistics-2/releases) for a changelog"
-      releaseType = cfReleaseType
-      addGameVersion project.minecraft_version
-      addGameVersion "Fabric"
-      mainArtifact(remapJar.archiveFile) {
-        displayName = "${project.version} [FABRIC]"
-      }
-    }
-    options {
-      forgeGradleIntegration = false
-    }
-    afterEvaluate {
-      tasks.getByName("curseforge${project.curseforge_project}").dependsOn remapJar
-    }
-  }
-}
@@ -1,42 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-repositories {
-    mavenLocal()
-
-    maven { // modmaven, maven proxy
-        name 'modmaven'
-        url "https://modmaven.k-4u.nl/"
-    }
-}
-
-dependencies {
-    minecraft "net.minecraftforge:forge:${minecraft_version}-${forge_version}"
-
-    // compile against provided APIs
-    compileOnly "mezz.jei:jei-${jei_minecraft_version}:${jei_version}:api"
-    compileOnly "mcjty.theoneprobe:TheOneProbe-${minecraft_release}:${minecraft_release}-${top_version}:api"
-
-    // Runtime, Mods
-    runtimeOnly fg.deobf("mezz.jei:jei-${jei_minecraft_version}:${jei_version}")
-    runtimeOnly fg.deobf("mcjty.theoneprobe:TheOneProbe-${minecraft_release}:${minecraft_release}-${top_version}")
-    //runtimeOnly fg.deobf("team.chisel.ctm:CTM:${ctm_version}")
-
-    // unit test dependencies
-    testCompile "junit:junit:4.13"
-}
@@ -1,32 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2020, AlgorithmX2, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *g GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-spotless {
-    java {
-        target 'src/*/java/appeng/**/*.java'
-
-        indentWithSpaces()
-        eclipse().configFile 'codeformat/codeformat.xml'
-        importOrderFile 'codeformat/ae2.importorder'
-    }
-    format 'json', {
-        target 'src/*/resources/**/*.json'
-        targetExclude 'src/generated/resources/**'
-        prettier().config(['parser': 'json'])
-    }
-}
@@ -10,7 +10,6 @@ pluginManagement {

    plugins {
        id "fabric-loom" version loom_version
-        id "org.jetbrains.kotlin.jvm" version kotlin_version
    }

 }
@@ -53,10 +53,10 @@ public interface ICraftingHelper {
     * @param stack If null, a new item will be created to hold the encoded pattern.
     *              Otherwise the given item must already contains an encoded
     *              pattern that will be overwritten.
-     * @throws IllegalArgumentException If either in or out contain only empty
-     *                                  ItemStacks.
     * @return A new encoded pattern, or the given stack with the pattern encoded in
     *         it.
+     * @throws IllegalArgumentException If either in or out contain only empty
+     *                                  ItemStacks.
     */
    ItemStack encodeProcessingPattern(@Nullable ItemStack stack, ItemStack[] in, ItemStack[] out);

@@ -82,11 +82,6 @@ public interface IRegistryContainer {
     */
    IPlayerRegistry players();

-    /**
-     * get access to the world-gen api.
-     */
-    IWorldGen worldgen();
-
    /**
     * Register your IPart models before using them.
     */
@@ -1,40 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2013 AlgorithmX2
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
- * the Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-package appeng.api.features;
-
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.util.Identifier;
-
-public interface IWorldGen {
-
-    void enableWorldGenForDimension(WorldGenType type, Identifier dimID);
-
-    void disableWorldGenForDimension(WorldGenType type, Identifier dimID);
-
-    boolean isWorldGenEnabled(WorldGenType type, ServerWorld w);
-
-    enum WorldGenType {
-        CERTUS_QUARTZ, CHARGED_CERTUS_QUARTZ, METEORITES
-    }
-}
@@ -23,13 +23,23 @@

 package appeng.api.implementations.items;

-import net.minecraft.block.Block;
-import net.minecraft.block.Material;
+import javax.annotation.Nullable;
+
+import net.minecraft.block.BlockState;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;

 public interface IGrowableCrystal {

    ItemStack triggerGrowth(ItemStack is);

-    float getMultiplier(Block blk, Material mat);
+    /**
+     * Gets the crystal growth multiplier based on the material it is submerged in.
+     *
+     * @param state The blockstate of the block the crystal is currently in.
+     * @return The multiplier for the growth tick progress. Zero if the crystal
+     *         cannot grow in the current material.
+     */
+    float getMultiplier(BlockState state, @Nullable World world, @Nullable BlockPos pos);
 }
@@ -28,4 +28,9 @@ public enum GridNotification {
     * the visible connections for this node have changed, useful for cable.
     */
    CONNECTIONS_CHANGED,
+
+    /**
+     * the owner of the grid node has changed, and the node needs to be re-saved
+     */
+    OWNER_CHANGED
 }
@@ -87,7 +87,8 @@ public interface IGridBlock {
    AEColor getGridColor();

    /**
-     * Notifies your IGridBlock that changes were made to your connections
+     * Called by the {@link IGridNode} to notify its {@link IGridBlock} about
+     * events.
     */
    void onGridNotification(@Nonnull GridNotification notification);

@@ -41,6 +41,8 @@ import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemGroup;
 import net.minecraft.item.ItemPlacementContext;
 import net.minecraft.item.ItemStack;
+import net.minecraft.state.StateManager;
+import net.minecraft.state.property.IntProperty;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.DyeColor;
 import net.minecraft.util.Hand;
@@ -80,8 +82,12 @@ public class CableBusBlock extends AEBaseTileBlock<CableBusBlockEntity> implemen

    private static final ICableBusContainer NULL_CABLE_BUS = new NullCableBusContainer();

+    private static final IntProperty LIGHT_LEVEL = IntProperty.of("light_level", 0, 15);
+
    public CableBusBlock() {
-        super(defaultProps(AEMaterials.GLASS).nonOpaque().dropsNothing().dynamicBounds());
+        super(defaultProps(AEMaterials.GLASS).nonOpaque().dropsNothing().dynamicBounds()
+                .luminance(state -> state.get(LIGHT_LEVEL)));
+        setDefaultState(getDefaultState().with(LIGHT_LEVEL, 0));
    }

    static {
@@ -134,16 +140,13 @@ public class CableBusBlock extends AEBaseTileBlock<CableBusBlockEntity> implemen
        // OPPOSITE!?
    }

-// FIXME Dynamic light seems unsupported (?) Must maybe use blockstates... :|
-// FIXME FABRIC   @Override
-// FIXME FABRIC   public int getLightValue(final BlockState state, final BlockView world, final BlockPos pos) {
-// FIXME FABRIC       if (state.getBlock() != this) {
-// FIXME FABRIC           return state.getLuminance();
-// FIXME FABRIC       }
-// FIXME FABRIC       return this.cb(world, pos).getLightValue();
-// FIXME FABRIC   }
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder);
+        builder.add(LIGHT_LEVEL);
+    }

-// FIXME: Must hook isClimbing ourselves
+    // FIXME: Must hook isClimbing ourselves
 // FIXME FABRIC    @Override
 // FIXME FABRIC    public boolean isLadder(BlockState state, WorldView world, BlockPos pos, LivingEntity entity) {
 // FIXME FABRIC        return this.cb(world, pos).isLadder(entity);
@@ -399,4 +402,13 @@ public class CableBusBlock extends AEBaseTileBlock<CableBusBlockEntity> implemen
        }
    }

+    @Override
+    protected BlockState updateBlockStateFromTileEntity(BlockState currentState, CableBusBlockEntity te) {
+        if (currentState.getBlock() != this) {
+            return currentState;
+        }
+        int lightLevel = te.getCableBus().getLightValue();
+        return super.updateBlockStateFromTileEntity(currentState, te).with(LIGHT_LEVEL, lightLevel);
+    }
+
 }
@@ -38,11 +38,11 @@ import appeng.helpers.Splotch;
 */
 class PaintSplotchesBakedModel implements BakedModel, FabricBakedModel {

-    private static final SpriteIdentifier TEXTURE_PAINT1 = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_PAINT1 = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "block/paint1"));
-    private static final SpriteIdentifier TEXTURE_PAINT2 = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_PAINT2 = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "block/paint2"));
-    private static final SpriteIdentifier TEXTURE_PAINT3 = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_PAINT3 = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "block/paint3"));

    private final Sprite[] textures;
@@ -36,18 +36,18 @@ import appeng.core.AppEng;

 class QnbFormedBakedModel implements BakedModel, FabricBakedModel {

-    private static final SpriteIdentifier TEXTURE_LINK = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_LINK = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "block/quantum_link"));
-    private static final SpriteIdentifier TEXTURE_RING = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_RING = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "block/quantum_ring"));
-    private static final SpriteIdentifier TEXTURE_RING_LIGHT = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
-            new Identifier(AppEng.MOD_ID, "block/quantum_ring_light"));
+    private static final SpriteIdentifier TEXTURE_RING_LIGHT = new SpriteIdentifier(
+            SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE, new Identifier(AppEng.MOD_ID, "block/quantum_ring_light"));
    private static final SpriteIdentifier TEXTURE_RING_LIGHT_CORNER = new SpriteIdentifier(
-            SpriteAtlasTexture.BLOCK_ATLAS_TEX, new Identifier(AppEng.MOD_ID, "block/quantum_ring_light_corner"));
-    private static final SpriteIdentifier TEXTURE_CABLE_GLASS = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
-            new Identifier(AppEng.MOD_ID, "part/cable/glass/transparent"));
+            SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE, new Identifier(AppEng.MOD_ID, "block/quantum_ring_light_corner"));
+    private static final SpriteIdentifier TEXTURE_CABLE_GLASS = new SpriteIdentifier(
+            SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE, new Identifier(AppEng.MOD_ID, "part/cable/glass/transparent"));
    private static final SpriteIdentifier TEXTURE_COVERED_CABLE = new SpriteIdentifier(
-            SpriteAtlasTexture.BLOCK_ATLAS_TEX, new Identifier(AppEng.MOD_ID, "part/cable/covered/transparent"));
+            SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE, new Identifier(AppEng.MOD_ID, "part/cable/covered/transparent"));

    private static final float DEFAULT_RENDER_MIN = 2.0f;
    private static final float DEFAULT_RENDER_MAX = 14.0f;
@@ -28,6 +28,7 @@ import java.util.stream.Collectors;

 import com.google.common.base.Preconditions;
 import com.google.common.base.Stopwatch;
+import com.google.common.collect.Lists;
 import com.mojang.blaze3d.systems.RenderSystem;

 import org.lwjgl.glfw.GLFW;
@@ -58,6 +59,7 @@ import net.minecraft.util.Identifier;
 import alexiil.mc.lib.attributes.fluid.render.FluidRenderFace;
 import alexiil.mc.lib.attributes.fluid.render.FluidVolumeRenderer;
 import alexiil.mc.lib.attributes.fluid.volume.FluidVolume;
+import me.shedaniel.math.Rectangle;

 import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IAEItemStack;
@@ -104,6 +106,7 @@ public abstract class AEBaseScreen<T extends AEBaseContainer> extends HandledScr
    private Stopwatch dbl_clickTimer = Stopwatch.createStarted();
    private ItemStack dbl_whichItem = ItemStack.EMPTY;
    private Slot bl_clicked;
+    private boolean handlingRightClick;
    protected final List<CustomSlotWidget> guiSlots = new ArrayList<>();

    public AEBaseScreen(T container, PlayerInventory playerInventory, Text title) {
@@ -282,12 +285,18 @@ public abstract class AEBaseScreen<T extends AEBaseContainer> extends HandledScr
    public boolean mouseClicked(final double xCoord, final double yCoord, final int btn) {
        this.drag_click.clear();

+        // Forward right-clicks as-if they were left-clicks
        if (btn == 1) {
-            for (final Object o : this.buttons) {
-                final AbstractButtonWidget widget = (AbstractButtonWidget) o;
-                if (widget.isMouseOver(xCoord, yCoord)) {
-                    return super.mouseClicked(xCoord, yCoord, 0);
+            handlingRightClick = true;
+            try {
+                for (final Object o : this.buttons) {
+                    final AbstractButtonWidget widget = (AbstractButtonWidget) o;
+                    if (widget.isMouseOver(xCoord, yCoord)) {
+                        return super.mouseClicked(xCoord, yCoord, 0);
+                    }
                }
+            } finally {
+                handlingRightClick = false;
            }
        }

@@ -298,22 +307,36 @@ public abstract class AEBaseScreen<T extends AEBaseContainer> extends HandledScr
            }
        }

-        if (this.getScrollBar() != null) {
-            this.getScrollBar().click(xCoord - this.x, yCoord - this.y);
+        // Forward left mouse button down events to the scrollbar
+        if (btn == 0 && this.getScrollBar() != null) {
+            if (this.getScrollBar().mouseDown(xCoord - this.x, yCoord - this.y)) {
+                return true;
+            }
        }

        return super.mouseClicked(xCoord, yCoord, btn);
    }

    @Override
-    public boolean mouseDragged(double mouseX, double mouseY, int mouseButton, double dragX, double dragY) {
+    public boolean mouseReleased(double mouseX, double mouseY, int button) {
+        // Forward left mouse button up events to the scrollbar
+        if (button == 0 && this.getScrollBar() != null) {
+            if (this.getScrollBar().mouseUp(mouseX - this.x, mouseY - this.y)) {
+                return true;
+            }
+        }

+        return super.mouseReleased(mouseX, mouseY, button);
+    }
+
+    @Override
+    public boolean mouseDragged(double mouseX, double mouseY, int mouseButton, double dragX, double dragY) {
        final Slot slot = this.getSlot((int) mouseX, (int) mouseY);
        final ItemStack itemstack = getPlayer().inventory.getCursorStack();

        if (this.getScrollBar() != null) {
            // FIXME: Coordinate system of mouseX/mouseY is unclear
-            this.getScrollBar().click((int) mouseX - this.x, (int) mouseY - this.y);
+            this.getScrollBar().mouseDragged((int) mouseX - this.x, (int) mouseY - this.y);
        }

        if (slot instanceof FakeSlot && !itemstack.isEmpty()) {
@@ -620,15 +643,7 @@ public abstract class AEBaseScreen<T extends AEBaseContainer> extends HandledScr
    }

    protected Text getGuiDisplayName(final Text in) {
-        return this.hasCustomInventoryName() ? new LiteralText(this.getInventoryName()) : in;
-    }
-
-    private boolean hasCustomInventoryName() {
-        return this.handler.getCustomName() != null;
-    }
-
-    private String getInventoryName() {
-        return this.handler.getCustomName();
+        return title.getString().isEmpty() ? in : title;
    }

    /**
@@ -796,6 +811,11 @@ public abstract class AEBaseScreen<T extends AEBaseContainer> extends HandledScr

    public void tick() {
        super.tick();
+
+        if (this.getScrollBar() != null) {
+            this.getScrollBar().tick();
+        }
+
        for (Element child : children) {
            if (child instanceof ITickingWidget) {
                ((ITickingWidget) child).tick();
@@ -803,4 +823,15 @@ public abstract class AEBaseScreen<T extends AEBaseContainer> extends HandledScr
        }
    }

+    /**
+     * Returns true while the current event being handled is a click of the right
+     * mouse button.
+     */
+    public boolean isHandlingRightClick() {
+        return handlingRightClick;
+    }
+
+    public List<Rectangle> getExclusionZones() {
+        return Lists.newArrayList(new Rectangle(x, y, backgroundWidth, backgroundHeight));
+    }
 }
@@ -12,8 +12,6 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.screen.slot.Slot;
 import net.minecraft.util.Identifier;

-import appeng.client.me.SlotME;
-
 /**
 * A proxy for a slot that will always return an itemstack with size 1, if there
 * is an item in the slot. Used to prevent the default item count from
@@ -21,9 +19,9 @@ import appeng.client.me.SlotME;
 */
 class Size1Slot extends Slot {

-    private final SlotME delegate;
+    private final Slot delegate;

-    public Size1Slot(SlotME delegate) {
+    public Size1Slot(Slot delegate) {
        super(delegate.inventory, -1, delegate.x, delegate.y);
        this.delegate = delegate;
    }
@@ -46,22 +46,28 @@ public class CraftAmountScreen extends AEBaseScreen<CraftAmountContainer> {
    public void init() {
        super.init();

-        this.amountToCraft = new NumberEntryWidget(this, 20, 30, 138, 62, NumberEntryType.CRAFT_ITEM_COUNT, value -> {
-        });
+        this.amountToCraft = new NumberEntryWidget(this, 20, 30, 138, 62, NumberEntryType.CRAFT_ITEM_COUNT);
        this.amountToCraft.setValue(1);
        this.amountToCraft.setTextFieldBounds(62, 57, 50);
        this.amountToCraft.setMinValue(1);
+        this.amountToCraft.setHideValidationIcon(true);
        this.amountToCraft.addButtons(children::add, this::addButton);

        this.next = this
                .addButton(new ButtonWidget(this.x + 128, this.y + 51, 38, 20, GuiText.Next.text(), this::confirm));
+        this.amountToCraft.setOnConfirm(() -> this.confirm(this.next));

        subGui.addBackButton(this::addButton, 154, 0);
+
+        changeFocus(true);
    }

    private void confirm(ButtonWidget button) {
-        NetworkHandler.instance()
-                .sendToServer(new CraftRequestPacket((int) this.amountToCraft.getValue(), hasShiftDown()));
+        int amount = this.amountToCraft.getIntValue().orElse(0);
+        if (amount <= 0) {
+            return;
+        }
+        NetworkHandler.instance().sendToServer(new CraftRequestPacket(amount, hasShiftDown()));
    }

    @Override
@@ -77,23 +83,9 @@ public class CraftAmountScreen extends AEBaseScreen<CraftAmountContainer> {
        this.bindTexture("guis/craft_amt.png");
        drawTexture(matrices, offsetX, offsetY, 0, 0, this.backgroundWidth, this.backgroundHeight);

-        this.next.active = this.amountToCraft.getValue() > 0;
+        this.next.active = this.amountToCraft.getIntValue().orElse(0) > 0;

        this.amountToCraft.render(matrices, offsetX, offsetY, partialTicks);
    }

-    @Override
-    public boolean keyPressed(int keyCode, int scanCode, int p_keyPressed_3_) {
-        if (keyCode == 28) {
-            this.next.onPress();
-            return true;
-        } else {
-            return super.keyPressed(keyCode, scanCode, p_keyPressed_3_);
-        }
-    }
-
-    protected String getBackground() {
-        return "guis/craftAmt.png";
-    }
-
 }
@@ -25,6 +25,8 @@ import java.util.List;

 import com.mojang.blaze3d.systems.RenderSystem;

+import org.lwjgl.glfw.GLFW;
+
 import net.minecraft.client.gui.widget.ButtonWidget;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.player.PlayerInventory;
@@ -73,10 +75,6 @@ public class CraftConfirmScreen extends AEBaseScreen<CraftConfirmContainer> {
        this.setScrollBar(scrollbar);
    }

-    boolean isAutoStart() {
-        return this.handler.isAutoStart();
-    }
-
    @Override
    public void init() {
        super.init();
@@ -87,12 +85,14 @@ public class CraftConfirmScreen extends AEBaseScreen<CraftConfirmContainer> {
        this.addButton(this.start);

        this.selectCPU = new ButtonWidget(this.x + (219 - 180) / 2, this.y + this.backgroundHeight - 68, 180, 20,
-                GuiText.CraftingCPU.withSuffix(": ").append(GuiText.Automatic.text()), btn -> selectNextCpu());
+                getNextCpuButtonLabel(), btn -> selectNextCpu());
        this.selectCPU.active = false;
        this.addButton(this.selectCPU);

        addButton(new ButtonWidget(this.x + 6, this.y + this.backgroundHeight - 25, 50, 20, GuiText.Cancel.text(),
                btn -> subGui.goBack()));
+
+        this.setScrollBar();
    }

    @Override
@@ -133,22 +133,22 @@ public class CraftConfirmScreen extends AEBaseScreen<CraftConfirmContainer> {
    }

    private void updateCPUButtonText() {
-        Text btnTextText = GuiText.CraftingCPU.withSuffix(": ").append(GuiText.Automatic.text());
-        if (this.handler.getSelectedCpu() >= 0)// && status.selectedCpu < status.cpus.size() )
-        {
-            if (this.handler.getName() != null) {
-                final String name = this.handler.getName().asTruncatedString(20);
-                btnTextText = GuiText.CraftingCPU.withSuffix(": " + name);
-            } else {
-                btnTextText = GuiText.CraftingCPU.withSuffix(": #" + this.handler.getSelectedCpu());
-            }
-        }
+        this.selectCPU.setMessage(getNextCpuButtonLabel());
+    }

+    private Text getNextCpuButtonLabel() {
        if (this.handler.hasNoCPU()) {
-            btnTextText = GuiText.NoCraftingCPUs.text();
+            return GuiText.NoCraftingCPUs.text();
        }

-        this.selectCPU.setMessage(btnTextText);
+        Text cpuName;
+        if (this.handler.cpuName == null) {
+            cpuName = GuiText.Automatic.text();
+        } else {
+            cpuName = this.handler.cpuName;
+        }
+
+        return GuiText.CraftingCPU.withSuffix(": ").append(cpuName);
    }

    private boolean isSimulation() {
@@ -440,7 +440,7 @@ public class CraftConfirmScreen extends AEBaseScreen<CraftConfirmContainer> {
    @Override
    public boolean keyPressed(int keyCode, int scanCode, int p_keyPressed_3_) {
        if (!this.checkHotbarKeys(keyCode, scanCode)) {
-            if (keyCode == 28) {
+            if (keyCode == GLFW.GLFW_KEY_ENTER || keyCode == GLFW.GLFW_KEY_KP_ENTER) {
                this.start();
                return true;
            }
@@ -449,7 +449,7 @@ public class CraftConfirmScreen extends AEBaseScreen<CraftConfirmContainer> {
    }

    private void selectNextCpu() {
-        final boolean backwards = getClient().mouse.wasRightButtonClicked();
+        final boolean backwards = isHandlingRightClick();
        NetworkHandler.instance().sendToServer(new ConfigValuePacket("Terminal.Cpu", backwards ? "Prev" : "Next"));
    }

@@ -44,12 +44,12 @@ public class CraftingStatusScreen extends CraftingCPUScreen<CraftingStatusContai
        super.init();

        this.selectCPU = new ButtonWidget(this.x + 8, this.y + this.backgroundHeight - 25, 150, 20,
-                GuiText.CraftingCPU.withSuffix(": ").append(GuiText.NoCraftingCPUs.text()), btn -> selectNextCpu());
+                getNextCpuButtonLabel(), btn -> selectNextCpu());
        this.addButton(this.selectCPU);

        subGui.addBackButton(btn -> {
            addButton(btn);
-            btn.setHideEdge(13);
+            btn.setHideEdge(true);
        }, 213, -4);
    }

@@ -60,23 +60,14 @@ public class CraftingStatusScreen extends CraftingCPUScreen<CraftingStatusContai
    }

    private void updateCPUButtonText() {
-        Text btnTextText = GuiText.NoCraftingJobs.text();
-
-        if (this.handler.selectedCpu >= 0)// && status.selectedCpu < status.cpus.size() )
-        {
-            if (this.handler.myName != null) {
-                final String name = this.handler.myName.asTruncatedString(20);
-                btnTextText = GuiText.CPUs.withSuffix(": " + name);
-            } else {
-                btnTextText = GuiText.CPUs.withSuffix(": #" + this.handler.selectedCpu);
-            }
-        }
+        this.selectCPU.setMessage(getNextCpuButtonLabel());
+    }

+    private Text getNextCpuButtonLabel() {
        if (this.handler.noCPU) {
-            btnTextText = GuiText.NoCraftingJobs.text();
+            return GuiText.NoCraftingJobs.text();
        }
-
-        this.selectCPU.setMessage(btnTextText);
+        return GuiText.CraftingCPU.withSuffix(": ").append(handler.cpuName);
    }

    @Override
@@ -84,9 +75,8 @@ public class CraftingStatusScreen extends CraftingCPUScreen<CraftingStatusContai
        return in; // the cup name is on the button
    }

-    // FIXME: Extract to separate class? Shared with GuiCraftConfirm
    private void selectNextCpu() {
-        final boolean backwards = client.mouse.wasRightButtonClicked();
+        final boolean backwards = isHandlingRightClick();
        NetworkHandler.instance().sendToServer(new ConfigValuePacket("Terminal.Cpu", backwards ? "Prev" : "Next"));
    }

@@ -87,7 +87,7 @@ public class InterfaceScreen extends UpgradeableScreen<InterfaceContainer> {
    }

    private void selectNextInterfaceMode() {
-        final boolean backwards = getClient().mouse.wasRightButtonClicked();
+        final boolean backwards = isHandlingRightClick();
        NetworkHandler.instance().sendToServer(new ConfigButtonPacket(Settings.INTERFACE_TERMINAL, backwards));
    }

@@ -70,8 +70,7 @@ public class InterfaceTerminalScreen extends AEBaseScreen<InterfaceTerminalConta

    public InterfaceTerminalScreen(InterfaceTerminalContainer container, PlayerInventory playerInventory, Text title) {
        super(container, playerInventory, title);
-        final Scrollbar scrollbar = new Scrollbar();
-        this.setScrollBar(scrollbar);
+        this.setScrollBar(new Scrollbar().setLeft(175).setTop(18).setHeight(106));
        this.backgroundWidth = 195;
        this.backgroundHeight = 222;
    }
@@ -80,10 +79,6 @@ public class InterfaceTerminalScreen extends AEBaseScreen<InterfaceTerminalConta
    public void init() {
        super.init();

-        this.getScrollBar().setLeft(175);
-        this.getScrollBar().setHeight(106);
-        this.getScrollBar().setTop(18);
-
        this.searchField = new AETextField(this.textRenderer, this.x + 104, this.y + 4, 65, 12);
        this.searchField.setHasBorder(false);
        this.searchField.setMaxLength(25);
@@ -34,8 +34,6 @@ import appeng.client.gui.widgets.ServerSettingToggleButton;
 import appeng.client.gui.widgets.SettingToggleButton;
 import appeng.container.implementations.LevelEmitterContainer;
 import appeng.core.localization.GuiText;
-import appeng.core.sync.network.NetworkHandler;
-import appeng.core.sync.packets.ConfigValuePacket;

 public class LevelEmitterScreen extends UpgradeableScreen<LevelEmitterContainer> {

@@ -51,15 +49,18 @@ public class LevelEmitterScreen extends UpgradeableScreen<LevelEmitterContainer>
    public void init() {
        super.init();

-        this.level = new NumberEntryWidget(this, 20, 17, 138, 62, NumberEntryType.LEVEL_ITEM_COUNT,
-                this::onLevelChange);
+        this.level = new NumberEntryWidget(this, 20, 17, 138, 62, NumberEntryType.LEVEL_ITEM_COUNT);
        this.level.setTextFieldBounds(25, 44, 75);
        this.level.addButtons(children::add, this::addButton);
-        handler.setTextField(this.level);
+        this.level.setValue(handler.getReportingValue());
+        this.level.setOnChange(this::saveReportingValue);
+        this.level.setOnConfirm(this::onClose);
+
+        this.changeFocus(true);
    }

-    private void onLevelChange(long level) {
-        NetworkHandler.instance().sendToServer(new ConfigValuePacket("LevelEmitter.Value", String.valueOf(level)));
+    private void saveReportingValue() {
+        this.level.getLongValue().ifPresent(handler::setReportingValue);
    }

    @Override
@@ -26,8 +26,11 @@ import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.screen.slot.Slot;
+import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;

+import me.shedaniel.math.Rectangle;
+
 import appeng.api.config.SearchBoxMode;
 import appeng.api.config.Settings;
 import appeng.api.config.SortDir;
@@ -49,6 +52,7 @@ import appeng.client.gui.widgets.SettingToggleButton;
 import appeng.client.gui.widgets.TabButton;
 import appeng.client.me.InternalSlotME;
 import appeng.client.me.ItemRepo;
+import appeng.client.render.StackSizeRenderer;
 import appeng.container.implementations.CraftingStatusContainer;
 import appeng.container.implementations.MEMonitorableContainer;
 import appeng.container.slot.AppEngSlot;
@@ -235,7 +239,7 @@ public class MEMonitorableScreen<T extends MEMonitorableContainer> extends AEBas
        if (this.viewCell || this instanceof WirelessTermScreen) {
            this.craftingStatusBtn = this.addButton(new TabButton(this.x + 170, this.y - 4, 2 + 11 * 16,
                    GuiText.CraftingStatus.text(), this.itemRenderer, btn -> showCraftingStatus()));
-            this.craftingStatusBtn.setHideEdge(13);
+            this.craftingStatusBtn.setHideEdge(true);
        }

        this.isAutoFocus = SearchBoxMode.AUTOSEARCH == searchMode || SearchBoxMode.JEI_AUTOSEARCH == searchMode
@@ -281,6 +285,8 @@ public class MEMonitorableScreen<T extends MEMonitorableContainer> extends AEBas
        craftingGridOffsetX -= 25;
        craftingGridOffsetY -= 6;

+        this.setScrollBar();
+
    }

    @Override
@@ -290,6 +296,16 @@ public class MEMonitorableScreen<T extends MEMonitorableContainer> extends AEBas

        this.currentMouseX = mouseX;
        this.currentMouseY = mouseY;
+
+        // Show the number of active crafting jobs
+        if (this.craftingStatusBtn != null && handler.activeCraftingJobs != -1) {
+            // The stack size renderer expects a 16x16 slot, while the button is normally
+            // bigger
+            int x = this.craftingStatusBtn.x + (this.craftingStatusBtn.getWidth() - 16) / 2;
+            int y = this.craftingStatusBtn.y + (this.craftingStatusBtn.getHeight() - 16) / 2;
+            StackSizeRenderer.renderSizeLabel(textRenderer, x - this.x, y - this.y,
+                    new LiteralText(String.valueOf(handler.activeCraftingJobs)));
+        }
    }

    @Override
@@ -354,6 +370,7 @@ public class MEMonitorableScreen<T extends MEMonitorableContainer> extends AEBas
        if (this.searchField != null) {
            this.searchField.render(matrices, mouseX, mouseY, partialTicks);
        }
+
    }

    protected String getBackground() {
@@ -519,4 +536,14 @@ public class MEMonitorableScreen<T extends MEMonitorableContainer> extends AEBas
        this.init();
    }

+    @Override
+    public List<Rectangle> getExclusionZones() {
+        List<Rectangle> zones = super.getExclusionZones();
+        // Button toolbar on the left
+        zones.add(new Rectangle(x - 18, y + 8, 18, 160));
+        // View-cells on the right
+        zones.add(new Rectangle(x + 197, y, 46, 128));
+        return zones;
+    }
+
 }
@@ -2,41 +2,58 @@ package appeng.client.gui.implementations;

 import java.util.ArrayList;
 import java.util.List;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
 import java.util.function.Consumer;
-import java.util.function.LongConsumer;

 import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.gui.DrawableHelper;
 import net.minecraft.client.gui.Element;
 import net.minecraft.client.gui.widget.ButtonWidget;
 import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
+import net.minecraft.text.TranslatableText;

 import appeng.client.gui.AEBaseScreen;
 import appeng.client.gui.NumberEntryType;
-import appeng.client.gui.widgets.ITickingWidget;
-import appeng.client.gui.widgets.NumberBox;
+import appeng.client.gui.widgets.ConfirmableTextField;
+import appeng.client.gui.widgets.ValidationIcon;
 import appeng.core.AEConfig;

 /**
 * A utility widget that consists of a text-field to enter a number with
 * attached buttons to increment/decrement the number in fixed intervals.
 */
-public class NumberEntryWidget implements ITickingWidget {
+public class NumberEntryWidget extends DrawableHelper {

+    private static final Text INVALID_NUMBER = new TranslatableText("gui.appliedenergistics2.validation.InvalidNumber");
+    private static final String NUMBER_LESS_THAN_MIN_VALUE = "gui.appliedenergistics2.validation.NumberLessThanMinValue";
    private static final Text PLUS = Text.of("+");
    private static final Text MINUS = Text.of("-");
+    private static final int TEXT_COLOR_ERROR = 0xFF1900;
+    private static final int TEXT_COLOR_NORMAL = 0xFFFFFF;

    private final AEBaseScreen<?> parent;

    private final int x;
    private final int y;

-    private final NumberBox level;
+    private final ConfirmableTextField textField;
    private final NumberEntryType type;
    private List<ButtonWidget> buttons;
+    private long minValue;
+    private ValidationIcon validationIcon;

-    public NumberEntryWidget(AEBaseScreen<?> parent, int x, int y, int width, int height, NumberEntryType type,
-            LongConsumer changeListener) {
+    // Called when the value changes
+    private Runnable onChange;
+
+    // Called when the user presses enter while there's a valid number in the field
+    private Runnable onConfirm;
+
+    private boolean hideValidationIcon;
+
+    public NumberEntryWidget(AEBaseScreen<?> parent, int x, int y, int width, int height, NumberEntryType type) {
        this.parent = parent;
        this.x = x;
        this.y = y;
@@ -45,27 +62,50 @@ public class NumberEntryWidget implements ITickingWidget {
        TextRenderer font = parent.getClient().textRenderer;
        int inputX = parent.getX() + x;
        int inputY = parent.getY() + y;
-        this.level = new NumberBox(font, inputX, inputY, width, font.fontHeight, type.getInputType(), changeListener);
-        this.level.setHasBorder(false);
-        this.level.setMaxLength(16);
-        this.level.setEditableColor(0xFFFFFF);
-        this.level.setVisible(true);
-        parent.setInitialFocus(this.level);
+        this.textField = new ConfirmableTextField(font, inputX, inputY, width, font.fontHeight, LiteralText.EMPTY);
+        this.textField.setHasBorder(false);
+        this.textField.setMaxLength(16);
+        this.textField.setEditableColor(TEXT_COLOR_NORMAL);
+        this.textField.setVisible(true);
+        this.textField.setSelected(true);
+        parent.setInitialFocus(this.textField);
+        this.textField.setChangedListener(text -> {
+            validate();
+            if (onChange != null) {
+                this.onChange.run();
+            }
+        });
+        this.textField.setOnConfirm(() -> {
+            // Only confirm if it's actually valid
+            if (this.onConfirm != null && getLongValue().isPresent()) {
+                this.onConfirm.run();
+            }
+        });
+        validate();
+    }
+
+    public void setOnConfirm(Runnable callback) {
+        this.onConfirm = callback;
+    }
+
+    public void setOnChange(Runnable callback) {
+        this.onChange = callback;
    }

    public void setActive(boolean active) {
-        this.level.active = active;
+        this.textField.active = active;
        this.buttons.forEach(b -> b.active = active);
    }

    public void setTextFieldBounds(int x, int y, int width) {
-        this.level.x = parent.getX() + x;
-        this.level.y = parent.getY() + y;
-        this.level.setWidth(width);
+        this.textField.x = parent.getX() + x;
+        this.textField.y = parent.getY() + y;
+        this.textField.setWidth(width);
    }

    public void setMinValue(long minValue) {
-        this.level.setMinValue(minValue);
+        this.minValue = minValue;
+        validate();
    }

    public void addButtons(Consumer<Element> addChildren, Consumer<ButtonWidget> addButton) {
@@ -78,54 +118,116 @@ public class NumberEntryWidget implements ITickingWidget {
        int left = parent.getX() + x;
        int top = parent.getY() + y;

-        List<ButtonWidget> buttons = new ArrayList<>(8);
+        List<ButtonWidget> buttons = new ArrayList<>(9);

        buttons.add(new ButtonWidget(left, top, 22, 20, makeLabel(PLUS, a), btn -> addQty(a)));
        buttons.add(new ButtonWidget(left + 28, top, 28, 20, makeLabel(PLUS, b), btn -> addQty(b)));
        buttons.add(new ButtonWidget(left + 62, top, 32, 20, makeLabel(PLUS, c), btn -> addQty(c)));
        buttons.add(new ButtonWidget(left + 100, top, 38, 20, makeLabel(PLUS, d), btn -> addQty(d)));

+        // Need to add these now for sensible tab-order
+        buttons.forEach(addButton);
+
        // Placing this here will give a sensible tab order
-        addChildren.accept(this.level);
+        addChildren.accept(this.textField);

        buttons.add(new ButtonWidget(left, top + 42, 22, 20, makeLabel(MINUS, a), btn -> addQty(-a)));
        buttons.add(new ButtonWidget(left + 28, top + 42, 28, 20, makeLabel(MINUS, b), btn -> addQty(-b)));
        buttons.add(new ButtonWidget(left + 62, top + 42, 32, 20, makeLabel(MINUS, c), btn -> addQty(-c)));
        buttons.add(new ButtonWidget(left + 100, top + 42, 38, 20, makeLabel(MINUS, d), btn -> addQty(-d)));

+        // This element is not focusable
+        if (!hideValidationIcon) {
+            this.validationIcon = new ValidationIcon(left + 104, top + 27);
+            buttons.add(this.validationIcon);
+        }
+
+        // Add the rest to the tab order
+        buttons.subList(4, buttons.size()).forEach(addButton);
+
        this.buttons = buttons;
-        this.buttons.forEach(addButton);
+
+        // we need to re-validate because the icon may now be present and needs it's
+        // initial state
+        this.validate();
    }

-    private void addQty(final long i) {
-        long currentValue = this.level.getValue();
-        long minValue = this.level.getMinValue();
-        this.level.setText(String.valueOf(Math.max(minValue, currentValue + i)));
+    /**
+     * Returns the integer value currently in the text-field, if it is a valid
+     * number and is within the allowed min/max value.
+     */
+    public OptionalInt getIntValue() {
+        String text = textField.getText().trim();
+        try {
+            int value = Integer.parseInt(text, 10);
+            if (value < minValue) {
+                return OptionalInt.empty();
+            }
+            return OptionalInt.of(value);
+        } catch (NumberFormatException ignored) {
+            return OptionalInt.empty();
+        }
    }

-    public void render(MatrixStack matrices, int mouseX, int mouseY, float partialTicks) {
-        this.level.render(matrices, mouseX, mouseY, partialTicks);
-    }
-
-    public void setValue(long value, boolean skipNotify) {
-        this.level.setValue(value, skipNotify);
+    /**
+     * Returns the long value currently in the text-field, if it is a valid number
+     * and is within the allowed min/max value.
+     */
+    public OptionalLong getLongValue() {
+        String text = textField.getText().trim();
+        try {
+            long value = Long.parseLong(text, 10);
+            if (value < minValue) {
+                return OptionalLong.empty();
+            }
+            return OptionalLong.of(value);
+        } catch (NumberFormatException ignored) {
+            return OptionalLong.empty();
+        }
    }

    public void setValue(long value) {
-        setValue(value, false);
+        this.textField.setText(String.valueOf(Math.max(minValue, value)));
+        this.textField.setCursorToEnd();
+        this.textField.setSelectionStart(0);
+        validate();
    }

-    public long getValue() {
-        return level.getValue();
+    private void addQty(final long i) {
+        getLongValue().ifPresent(currentValue -> setValue(currentValue + i));
    }

-    @Override
-    public void tick() {
-        this.level.tick();
+    public void render(MatrixStack matrices, int mouseX, int mouseY, float partialTicks) {
+        this.textField.render(matrices, mouseX, mouseY, partialTicks);
+    }
+
+    private void validate() {
+        List<Text> validationErrors = new ArrayList<>();
+
+        String text = textField.getText().trim();
+        try {
+            long value = Long.parseLong(text, 10);
+            if (value < minValue) {
+                validationErrors.add(new TranslatableText(NUMBER_LESS_THAN_MIN_VALUE, minValue));
+            }
+        } catch (NumberFormatException ignored) {
+            validationErrors.add(INVALID_NUMBER);
+        }
+
+        boolean valid = validationErrors.isEmpty();
+        this.textField.setEditableColor(valid ? TEXT_COLOR_NORMAL : TEXT_COLOR_ERROR);
+        if (this.validationIcon != null) {
+            this.validationIcon.setValid(valid);
+            this.validationIcon.setTooltip(validationErrors);
+        }
    }

    private Text makeLabel(Text prefix, int amount) {
        return prefix.copy().append(String.valueOf(amount));
    }

+    public void setHideValidationIcon(boolean hideValidationIcon) {
+        this.hideValidationIcon = hideValidationIcon;
+    }
+
 }
@@ -18,6 +18,8 @@

 package appeng.client.gui.implementations;

+import java.util.OptionalInt;
+
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.text.Text;
@@ -26,8 +28,6 @@ import appeng.client.gui.AEBaseScreen;
 import appeng.client.gui.NumberEntryType;
 import appeng.container.implementations.PriorityContainer;
 import appeng.core.localization.GuiText;
-import appeng.core.sync.network.NetworkHandler;
-import appeng.core.sync.packets.ConfigValuePacket;

 public class PriorityScreen extends AEBaseScreen<PriorityContainer> {

@@ -38,24 +38,38 @@ public class PriorityScreen extends AEBaseScreen<PriorityContainer> {
    public PriorityScreen(PriorityContainer container, PlayerInventory playerInventory, Text title) {
        super(container, playerInventory, title);
        this.subGui = new AESubScreen(this, container.getPriorityHost());
+
+        // This is the effective size of the background image
+        backgroundWidth = 175;
+        backgroundHeight = 128;
    }

    @Override
    public void init() {
        super.init();

-        this.priority = new NumberEntryWidget(this, 20, 30, 138, 62, NumberEntryType.PRIORITY, this::onPriorityChange);
+        this.priority = new NumberEntryWidget(this, 20, 30, 138, 62, NumberEntryType.PRIORITY);
        this.priority.setTextFieldBounds(62, 57, 50);
        this.priority.setMinValue(Integer.MIN_VALUE);
-        handler.setTextField(this.priority);
+        this.priority.setValue(this.handler.getPriorityValue());
        this.priority.addButtons(children::add, this::addButton);

        this.subGui.addBackButton(this::addButton, 154, 0);
+
+        this.priority.setOnChange(this::savePriority);
+        this.priority.setOnConfirm(() -> {
+            savePriority();
+            this.subGui.goBack();
+        });
+
+        changeFocus(true);
    }

-    private void onPriorityChange(long priority) {
-        NetworkHandler.instance()
-                .sendToServer(new ConfigValuePacket("PriorityHost.Priority", String.valueOf(priority)));
+    private void savePriority() {
+        OptionalInt priority = this.priority.getIntValue();
+        if (priority.isPresent()) {
+            handler.setPriority(priority.getAsInt());
+        }
    }

    @Override
@@ -66,13 +80,10 @@ public class PriorityScreen extends AEBaseScreen<PriorityContainer> {
    @Override
    public void drawBG(MatrixStack matrices, final int offsetX, final int offsetY, final int mouseX, final int mouseY,
            float partialTicks) {
-        this.bindTexture(getBackground());
+        this.bindTexture("guis/priority.png");
        drawTexture(matrices, offsetX, offsetY, 0, 0, this.backgroundWidth, this.backgroundHeight);

        this.priority.render(matrices, mouseX, mouseY, partialTicks);
    }

-    protected String getBackground() {
-        return "guis/priority.png";
-    }
 }
@@ -18,10 +18,14 @@

 package appeng.client.gui.implementations;

+import java.util.List;
+
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.text.Text;

+import me.shedaniel.math.Rectangle;
+
 import appeng.api.config.FuzzyMode;
 import appeng.api.config.RedstoneMode;
 import appeng.api.config.SchedulingMode;
@@ -146,4 +150,11 @@ public class UpgradeableScreen<T extends UpgradeableContainer> extends AEBaseScr
        return this.bc instanceof ImportBusPart ? GuiText.ImportBus : GuiText.ExportBus;
    }

+    @Override
+    public List<Rectangle> getExclusionZones() {
+        List<Rectangle> zones = super.getExclusionZones();
+        zones.add(new Rectangle(x - 18, y + 8, 18, 60));
+        return zones;
+    }
+
 }
@@ -48,9 +48,9 @@ public class WirelessScreen extends AEBaseScreen<WirelessContainer> {
        this.textRenderer.draw(matrices, GuiText.inventory.text(), 8, this.backgroundHeight - 96 + 3, 4210752);

        if (handler.getRange() > 0) {
-            final String firstMessage = GuiText.Range.text() + ": " + (handler.getRange() / 10.0) + " m";
-            final String secondMessage = GuiText.PowerUsageRate.text() + ": "
-                    + Platform.formatPowerLong(handler.getDrain(), true);
+            final Text firstMessage = GuiText.Range.withSuffix(": " + (handler.getRange() / 10.0) + " m");
+            final Text secondMessage = GuiText.PowerUsageRate
+                    .withSuffix(": " + Platform.formatPowerLong(handler.getDrain(), true));

            final int strWidth = Math.max(this.textRenderer.getWidth(firstMessage),
                    this.textRenderer.getWidth(secondMessage));
@@ -0,0 +1,51 @@
+/*
+ * This file is part of Applied Energistics 2.
+ * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
+ *
+ * Applied Energistics 2 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Applied Energistics 2 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
+ */
+
+package appeng.client.gui.widgets;
+
+import org.lwjgl.glfw.GLFW;
+
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.gui.widget.TextFieldWidget;
+import net.minecraft.text.Text;
+
+public class ConfirmableTextField extends TextFieldWidget {
+
+    private Runnable onConfirm;
+
+    public ConfirmableTextField(TextRenderer fontRenderer, int x, int y, int width, int height, Text text) {
+        super(fontRenderer, x, y, width, height, text);
+    }
+
+    @Override
+    public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
+        if (isActive() && (keyCode == GLFW.GLFW_KEY_ENTER || keyCode == GLFW.GLFW_KEY_KP_ENTER)) {
+            if (this.onConfirm != null) {
+                this.onConfirm.run();
+            }
+            return true;
+        }
+
+        return super.keyPressed(keyCode, scanCode, modifiers);
+    }
+
+    public void setOnConfirm(Runnable onConfirm) {
+        this.onConfirm = onConfirm;
+    }
+
+}
@@ -0,0 +1,96 @@
+/*
+ * This file is part of Applied Energistics 2.
+ * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
+ *
+ * Applied Energistics 2 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Applied Energistics 2 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
+ */
+
+package appeng.client.gui.widgets;
+
+import java.time.Duration;
+
+/**
+ * This class can be used to implement repeating events such as holding down a
+ * button to fire an event repeatedly while the button is still being held, or
+ * repeatedly scrolling down a page, while the mouse is held down on the
+ * scrollbar.
+ */
+public class EventRepeater {
+
+    /**
+     * -1 if no repeat event is scheduled. Otherwise contains the
+     * {@link System#nanoTime()} at which the next event should occur.
+     */
+    private long nextEventTime = -1;
+
+    private EventCallback eventCallback = null;
+
+    private final long eventDelay; // In nanoseconds
+
+    private final long eventInterval; // In nanoseconds
+
+    public EventRepeater(Duration delay, Duration interval) {
+        this.eventDelay = delay.toNanos();
+        this.eventInterval = interval.toNanos();
+    }
+
+    public void tick() {
+        if (this.eventCallback == null) {
+            return; // No event scheduled
+        }
+
+        // Use nanoTime here because it is monotonically increasing, while
+        // System.currentTimeMillis is not
+        long nanoTime = System.nanoTime();
+        if (nanoTime < this.nextEventTime) {
+            return; // Event time not reached
+        }
+
+        // Before triggering, recompute the next event, since
+        // the event callback itself may reschedule/cancel, and
+        // we should not overwrite that
+        this.nextEventTime = nanoTime + this.eventInterval;
+        this.eventCallback.trigger();
+    }
+
+    /**
+     * Schedule the given callback to be called after a given initial delay, and
+     * then after the given interval repeatedly.
+     *
+     * <p>
+     * Replaces any previously queued callback.
+     */
+    public void repeat(EventCallback callback) {
+        long time = System.nanoTime();
+        this.eventCallback = callback;
+        this.nextEventTime = time + eventDelay;
+    }
+
+    public boolean isRepeating() {
+        return this.eventCallback != null;
+    }
+
+    /**
+     * Stop repeating the event.
+     */
+    public void stop() {
+        this.eventCallback = null;
+    }
+
+    @FunctionalInterface
+    public interface EventCallback {
+        void trigger();
+    }
+
+}
@@ -22,6 +22,7 @@ import com.mojang.blaze3d.systems.RenderSystem;

 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.client.sound.SoundManager;
 import net.minecraft.client.texture.TextureManager;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.text.LiteralText;
@@ -33,6 +34,10 @@ public abstract class IconButton extends ButtonWidget implements ITooltip {

    private boolean halfSize = false;

+    private boolean disableClickSound = false;
+
+    private boolean disableBackground = false;
+
    public IconButton(final int x, final int y, PressAction onPress) {
        super(x, y, 16, 16, LiteralText.EMPTY, onPress);
    }
@@ -42,6 +47,13 @@ public abstract class IconButton extends ButtonWidget implements ITooltip {
        this.active = vis;
    }

+    @Override
+    public void playDownSound(SoundManager soundManager) {
+        if (!disableClickSound) {
+            super.playDownSound(soundManager);
+        }
+    }
+
    @Override
    public void renderButton(MatrixStack matrices, final int mouseX, final int mouseY, float partial) {

@@ -72,7 +84,9 @@ public abstract class IconButton extends ButtonWidget implements ITooltip {
                final int uv_y = iconIndex / 16;
                final int uv_x = iconIndex - uv_y * 16;

-                drawTexture(matrices, 0, 0, 256 - 16, 256 - 16, 16, 16);
+                if (!disableBackground) {
+                    drawTexture(matrices, 0, 0, 256 - 16, 256 - 16, 16, 16);
+                }
                drawTexture(matrices, 0, 0, uv_x * 16, uv_y * 16, 16, 16);
                RenderSystem.popMatrix();
            } else {
@@ -85,12 +99,18 @@ public abstract class IconButton extends ButtonWidget implements ITooltip {
                final int uv_y = iconIndex / 16;
                final int uv_x = iconIndex - uv_y * 16;

-                drawTexture(matrices, this.x, this.y, 256 - 16, 256 - 16, 16, 16);
+                if (!disableBackground) {
+                    drawTexture(matrices, this.x, this.y, 256 - 16, 256 - 16, 16, 16);
+                }
                drawTexture(matrices, this.x, this.y, uv_x * 16, uv_y * 16, 16, 16);
            }
            RenderSystem.enableDepthTest();
+            RenderSystem.color4f(1.0f, 1.0f, 1.0f, 1.0f);
+
+            if (isHovered()) {
+                renderToolTip(matrices, mouseX, mouseY);
+            }
        }
-        RenderSystem.color4f(1.0f, 1.0f, 1.0f, 1.0f);
    }

    protected abstract int getIconIndex();
@@ -133,4 +153,20 @@ public abstract class IconButton extends ButtonWidget implements ITooltip {
        this.halfSize = halfSize;
    }

+    public boolean isDisableClickSound() {
+        return disableClickSound;
+    }
+
+    public void setDisableClickSound(boolean disableClickSound) {
+        this.disableClickSound = disableClickSound;
+    }
+
+    public boolean isDisableBackground() {
+        return disableBackground;
+    }
+
+    public void setDisableBackground(boolean disableBackground) {
+        this.disableBackground = disableBackground;
+    }
+
 }
@@ -1,153 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-package appeng.client.gui.widgets;
-
-import java.util.function.LongConsumer;
-
-import net.minecraft.client.font.TextRenderer;
-import net.minecraft.client.gui.widget.TextFieldWidget;
-import net.minecraft.text.LiteralText;
-
-public class NumberBox extends TextFieldWidget {
-
-    private final LongConsumer changeListener;
-
-    private long lastValue;
-
-    private long minValue = 0;
-
-    private long maxValue;
-
-    public NumberBox(final TextRenderer fontRenderer, final int x, final int y, final int width, final int height,
-            final Class<?> type, LongConsumer changeListener) {
-        super(fontRenderer, x, y, width, height, new LiteralText("0"));
-        this.setText("0");
-        setChangedListener(this::handleTextChanged);
-        this.lastValue = 0;
-        this.changeListener = changeListener;
-        if (type == int.class || type == Integer.class) {
-            maxValue = Integer.MAX_VALUE;
-        } else {
-            maxValue = Long.MAX_VALUE;
-        }
-    }
-
-    // NOTE: This method MUST NOT BE NAMED like a method in the superclass because
-    // of a ForgeGradle remapping bug
-    // since it'll not remap this method's name, but it will remap the name of the
-    // method reference above.
-    private void handleTextChanged(String text) {
-        if (text.isEmpty()) {
-            setText("0"); // Will call onTextChanged recursively
-            return;
-        }
-
-        boolean canBeNegative = canBeNegative();
-        if (canBeNegative && text.equals("-")) {
-            // Allow this as a special case to make typing in a negative number easier
-            return;
-        }
-
-        StringBuilder sanitized = new StringBuilder(text);
-        boolean encounteredNonZero = false;
-        for (int i = 0; i < sanitized.length(); i++) {
-            char ch = sanitized.charAt(i);
-            if (canBeNegative && i == 0 && ch == '-') {
-                continue; // Allow leading minus sign
-            }
-            if (ch >= '1' && ch <= '9') {
-                encounteredNonZero = true;
-                continue;
-            }
-            if (ch != '0' || !encounteredNonZero) {
-                sanitized.deleteCharAt(i--);
-            }
-        }
-        if (sanitized.length() == 0) {
-            sanitized.append('0');
-        }
-        String sanitizedStr = sanitized.toString();
-        if (!sanitizedStr.equals(text)) {
-            setText(sanitizedStr); // Will call onTextChanged recursively
-            return;
-        }
-        if (getValue() < minValue) {
-            setText(String.valueOf(minValue)); // Will call onTextChanged recursively
-            return;
-        }
-        if (getValue() > maxValue) {
-            setText(String.valueOf(maxValue)); // Will call onTextChanged recursively
-            return;
-        }
-
-        reportChange();
-    }
-
-    private void reportChange() {
-        long value = getValue();
-        if (value != lastValue) {
-            lastValue = value;
-            changeListener.accept(value);
-        }
-    }
-
-    public void setValue(long value, boolean skipNotify) {
-        // This check avoid changing the cursor position needlessly
-        if (value == this.getValue()) {
-            return;
-        }
-
-        if (skipNotify) {
-            lastValue = value;
-        }
-        setText(String.valueOf(value));
-    }
-
-    public long getValue() {
-        if (getText().equals("-") && canBeNegative()) {
-            return lastValue; // Allow this as a special case to type in a negative number more easily
-        }
-
-        return Long.parseLong(getText());
-    }
-
-    @Override
-    public boolean keyPressed(int p_keyPressed_1_, int p_keyPressed_2_, int p_keyPressed_3_) {
-        if (super.keyPressed(p_keyPressed_1_, p_keyPressed_2_, p_keyPressed_3_)) {
-            return true;
-        }
-
-        // Swallow key presses for numbers because they would otherwise trigger the
-        // hotbar swapping unintentionally
-        return isFocused() && p_keyPressed_1_ >= '0' && p_keyPressed_1_ <= '9';
-    }
-
-    public void setMinValue(long minValue) {
-        this.minValue = minValue;
-    }
-
-    public long getMinValue() {
-        return minValue;
-    }
-
-    private boolean canBeNegative() {
-        return minValue < 0;
-    }
-
-}
@@ -18,18 +18,74 @@

 package appeng.client.gui.widgets;

-import com.mojang.blaze3d.systems.RenderSystem;
+import java.time.Duration;

 import net.minecraft.client.gui.DrawableHelper;
+import net.minecraft.client.util.Rect2i;
 import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.math.MathHelper;

 import appeng.client.gui.AEBaseScreen;

-public class Scrollbar implements IScrollSource {
+/**
+ * Implements a vertical scrollbar using Vanilla's scrollbar handle texture from
+ * the creative tab.
+ * <p>
+ * It is expected that the background of the UI contains a pre-baked scrollbar
+ * track border, and that the exact rectangle of that track is set on this
+ * object via {@link #setLeft(int)}, {@link #setTop(int)} and
+ * {@link #setHeight(int)}. While the width of the track can also be set, the
+ * drawn handle will use vanilla's sprite width (see {@link #HANDLE_WIDTH}.
+ */
+public class Scrollbar extends DrawableHelper implements IScrollSource {

+    /**
+     * Width of the scrollbar handle sprite in the source texture.
+     */
+    private static final int HANDLE_WIDTH = 12;
+
+    /**
+     * Height of the scrollbar handle sprite in the source texture.
+     */
+    private static final int HANDLE_HEIGHT = 15;
+
+    /**
+     * Texture containing the scrollbar handle sprites.
+     */
+    private static final Identifier TEXTURE = new Identifier("minecraft",
+            "textures/gui/container/creative_inventory/tabs.png");
+
+    /**
+     * Rectangle in the source texture that contains the sprite for an enabled
+     * handle.
+     */
+    private static final Rect2i ENABLED = new Rect2i(232, 0, HANDLE_WIDTH, HANDLE_HEIGHT);
+
+    /**
+     * Rectangle in the source texture that contains the sprite for a disabled
+     * handle.
+     */
+    private static final Rect2i DISABLED = new Rect2i(232 + HANDLE_WIDTH, 0, HANDLE_WIDTH, HANDLE_HEIGHT);
+
+    /**
+     * The screen x-coordinate of the scrollbar's inner track.
+     */
    private int displayX = 0;
+
+    /**
+     * The screen y-coordinate of the scrollbar's inner track.
+     */
    private int displayY = 0;
-    private int width = 12;
+
+    /**
+     * The inner width of the scrollbar track.
+     */
+    private int width = HANDLE_WIDTH;
+
+    /**
+     * The inner height of the scrollbar track.
+     */
    private int height = 16;
    private int pageSize = 1;

@@ -37,20 +93,58 @@ public class Scrollbar implements IScrollSource {
    private int minScroll = 0;
    private int currentScroll = 0;

-    private final DrawableHelper drawable = new DrawableHelper() {
-    };
+    /**
+     * True if the scrollbar's handle is currently being dragged.
+     */
+    private boolean dragging;
+    /**
+     * The y-coordinate relative to the upper edge of the scrollbar handle, where
+     * the user pressed the mouse button to drag. While dragging, this is applied as
+     * an offset to the effective scrollbar position.
+     */
+    private int dragYOffset;

+    private final EventRepeater eventRepeater = new EventRepeater(Duration.ofMillis(250), Duration.ofMillis(150));
+
+    /**
+     * Draws the handle of the scrollbar.
+     * <p>
+     * The GUI is assumed to already contain a prebaked scrollbar track in its
+     * background.
+     */
    public void draw(MatrixStack matrices, final AEBaseScreen<?> g) {
-        g.bindTexture("minecraft", "gui/container/creative_inventory/tabs.png");
-        RenderSystem.color4f(1.0f, 1.0f, 1.0f, 1.0f);
+        setZOffset(g.getZOffset());

-        drawable.setZOffset(g.getZOffset());
+        // Draw the track (nice for debugging)
+        // fill(matrices, displayX, displayY, this.displayX + width, this.displayY +
+        // height, 0xffff0000);
+
+        g.bindTexture(TEXTURE);
+
+        int yOffset;
+        Rect2i sourceRect;
        if (this.getRange() == 0) {
-            drawable.drawTexture(matrices, this.displayX, this.displayY, 232 + this.width, 0, this.width, 15);
+            yOffset = 0;
+            sourceRect = DISABLED;
        } else {
-            final int offset = (this.currentScroll - this.minScroll) * (this.height - 15) / this.getRange();
-            drawable.drawTexture(matrices, this.displayX, offset + this.displayY, 232, 0, this.width, 15);
+            yOffset = getHandleYOffset();
+            sourceRect = ENABLED;
        }
+
+        drawTexture(matrices, this.displayX, this.displayY + yOffset, sourceRect.getX(), sourceRect.getY(),
+                sourceRect.getWidth(), sourceRect.getHeight());
+    }
+
+    /**
+     * Returns the y-position of the scrollbar handle in relation to the upper edge
+     * of the scrollbar's track.
+     */
+    private int getHandleYOffset() {
+        if (getRange() == 0) {
+            return 0;
+        }
+        int availableHeight = this.height - HANDLE_HEIGHT;
+        return (this.currentScroll - this.minScroll) * availableHeight / this.getRange();
    }

    private int getRange() {
@@ -114,24 +208,96 @@ public class Scrollbar implements IScrollSource {
        return this.currentScroll;
    }

-    public void click(final double x, final double y) {
-        if (this.getRange() == 0) {
+    public boolean mouseDown(double x, double y) {
+        this.dragging = false;
+
+        // Clicks to the left or right of the scrollbar don't do anything
+        if (x < displayX || x >= displayX + width) {
+            return false;
+        }
+
+        // Clicks to the top or bottom don't do anything either
+        int relY = (int) Math.round(y - displayY);
+        if (relY < 0 || relY >= height) {
+            return false;
+        }
+
+        // Do nothing when there's no range, but swallow the event
+        if (getRange() == 0) {
+            return true;
+        }
+
+        int handleYOffset = getHandleYOffset();
+
+        if (relY < handleYOffset) {
+            // Clicks above the handle will page up, repeatedly
+            pageUp();
+            eventRepeater.repeat(this::pageUp);
+
+        } else if (relY < handleYOffset + HANDLE_HEIGHT) {
+            // Clicks on the handle will initiate dragging it
+            this.dragging = true;
+            this.dragYOffset = relY - handleYOffset;
+        } else {
+            // Clicks below the handle will page down, repeatedly
+            pageDown();
+            eventRepeater.repeat(this::pageDown);
+        }
+
+        return true;
+    }
+
+    public boolean mouseUp(double x, double y) {
+        this.dragging = false;
+        this.eventRepeater.stop();
+        return false;
+    }
+
+    public void mouseDragged(double x, double y) {
+        if (this.getRange() == 0 || !this.dragging || this.eventRepeater.isRepeating()) {
            return;
        }

-        if (x > this.displayX && x <= this.displayX + this.width) {
-            if (y > this.displayY && y <= this.displayY + this.height) {
-                this.currentScroll = (int) (y - this.displayY);
-                this.currentScroll = this.minScroll + ((this.currentScroll * 2 * this.getRange() / this.height));
-                this.currentScroll = (this.currentScroll + 1) >> 1;
-                this.applyRange();
-            }
-        }
+        // Compute the position of the mouse (adjusted for where it grabbed the handle,
+        // so as if it grabbed
+        // the upper edge of it) within the scrollable area of the track (minus the
+        // handle height).
+        double handleUpperEdgeY = y - this.displayY - this.dragYOffset;
+        double availableHeight = this.height - HANDLE_HEIGHT;
+        double position = MathHelper.clamp(handleUpperEdgeY / availableHeight, 0.0, 1.0);
+
+        this.currentScroll = this.minScroll + (int) Math.round(position * this.getRange());
+        this.applyRange();
    }

    public void wheel(double delta) {
+        // Do nothing when there's no range
+        if (getRange() == 0) {
+            return;
+        }
+
        delta = Math.max(Math.min(-delta, 1), -1);
        this.currentScroll += delta * this.pageSize;
        this.applyRange();
    }
+
+    /**
+     * Ticks the scrollbar for the purposes of input-repeats (since mouse-downs are
+     * not repeat-triggered), used to repeatedly page-up or page-down when the mouse
+     * is held in the area above or below the scrollbar handle.
+     */
+    public void tick() {
+        this.eventRepeater.tick();
+    }
+
+    private void pageUp() {
+        this.currentScroll -= this.pageSize;
+        this.applyRange();
+    }
+
+    private void pageDown() {
+        this.currentScroll += this.pageSize;
+        this.applyRange();
+    }
+
 }
@@ -25,6 +25,7 @@ import java.util.function.Predicate;
 import java.util.regex.Pattern;

 import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.client.gui.widget.ButtonWidget;
 import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
@@ -47,6 +48,7 @@ import appeng.api.config.StorageFilter;
 import appeng.api.config.TerminalStyle;
 import appeng.api.config.ViewItems;
 import appeng.api.config.YesNo;
+import appeng.client.gui.AEBaseScreen;
 import appeng.core.localization.ButtonToolTips;
 import appeng.util.EnumCycler;

@@ -89,9 +91,11 @@ public class SettingToggleButton<T extends Enum<T>> extends IconButton {
            registerApp(16 * 7, Settings.CONDENSER_OUTPUT, CondenserOutput.TRASH, ButtonToolTips.CondenserOutput,
                    ButtonToolTips.Trash);
            registerApp(16 * 7 + 1, Settings.CONDENSER_OUTPUT, CondenserOutput.MATTER_BALLS,
-                    ButtonToolTips.CondenserOutput, ButtonToolTips.MatterBalls);
+                    ButtonToolTips.CondenserOutput,
+                    ButtonToolTips.MatterBalls.text(CondenserOutput.MATTER_BALLS.requiredPower));
            registerApp(16 * 7 + 2, Settings.CONDENSER_OUTPUT, CondenserOutput.SINGULARITY,
-                    ButtonToolTips.CondenserOutput, ButtonToolTips.Singularity);
+                    ButtonToolTips.CondenserOutput,
+                    ButtonToolTips.Singularity.text(CondenserOutput.SINGULARITY.requiredPower));

            registerApp(16 * 9 + 1, Settings.ACCESS, AccessRestriction.READ, ButtonToolTips.IOMode,
                    ButtonToolTips.Read);
@@ -230,7 +234,13 @@ public class SettingToggleButton<T extends Enum<T>> extends IconButton {
    }

    private void triggerPress() {
-        boolean backwards = MinecraftClient.getInstance().mouse.wasRightButtonClicked();
+        boolean backwards = false;
+        // This isn't great, but we don't get any information about right-clicks
+        // otherwise
+        Screen currentScreen = MinecraftClient.getInstance().currentScreen;
+        if (currentScreen instanceof AEBaseScreen) {
+            backwards = ((AEBaseScreen<?>) currentScreen).isHandlingRightClick();
+        }
        onPress.handle(this, backwards);
    }

@@ -31,7 +31,7 @@ import net.minecraft.util.Identifier;
 public class TabButton extends ButtonWidget implements ITooltip {
    public static final Identifier TEXTURE_STATES = new Identifier("appliedenergistics2", "textures/guis/states.png");
    private final ItemRenderer itemRenderer;
-    private int hideEdge = 0;
+    private boolean hideEdge;
    private int myIcon = -1;
    private ItemStack myItem;

@@ -69,14 +69,17 @@ public class TabButton extends ButtonWidget implements ITooltip {

            RenderSystem.enableAlphaTest();

-            int uv_x = (this.hideEdge > 0 ? 11 : 13);
+            // Selects the button border from the sprite-sheet, where each type occupies a
+            // 2x2 slot
+            int uv_x = 8 + (this.hideEdge ? 0 : 2);
+            int uv_y = 12 + (this.isFocused() ? 2 : 0);

-            final int offsetX = this.hideEdge > 0 ? 1 : 0;
+            final int offsetX = this.hideEdge ? 1 : 0;

-            drawTexture(matrices, this.x, this.y, uv_x * 16, 0, 25, 22);
+            drawTexture(matrices, this.x, this.y, uv_x * 16, uv_y * 16, 25, 22);

            if (this.myIcon >= 0) {
-                final int uv_y = this.myIcon / 16;
+                uv_y = this.myIcon / 16;
                uv_x = this.myIcon - uv_y * 16;

                drawTexture(matrices, offsetX + this.x + 3, this.y + 3, uv_x * 16, uv_y * 16, 16, 16);
@@ -122,11 +125,11 @@ public class TabButton extends ButtonWidget implements ITooltip {
        return this.visible;
    }

-    public int getHideEdge() {
+    public boolean getHideEdge() {
        return this.hideEdge;
    }

-    public void setHideEdge(final int hideEdge) {
+    public void setHideEdge(final boolean hideEdge) {
        this.hideEdge = hideEdge;
    }
 }
@@ -0,0 +1,64 @@
+package appeng.client.gui.widgets;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.text.Text;
+
+/**
+ * Displays a small icon that shows validation errors for some input control.
+ */
+public class ValidationIcon extends IconButton {
+
+    private final List<Text> tooltip = new ArrayList<>();
+
+    private boolean valid;
+
+    public ValidationIcon(int x, int y) {
+        super(x, y, btn -> {
+        });
+        setDisableBackground(true);
+        setDisableClickSound(true);
+        setHalfSize(true);
+    }
+
+    public void setValid(boolean valid) {
+        setVisibility(!valid);
+        if (valid) {
+            this.tooltip.clear();
+        }
+    }
+
+    public void setTooltip(List<Text> lines) {
+        this.tooltip.clear();
+        this.tooltip.addAll(lines);
+    }
+
+    @Override
+    protected int getIconIndex() {
+        return 16 * 8;
+    }
+
+    @Override
+    public boolean changeFocus(boolean flag) {
+        return false; // Cannot focus this element
+    }
+
+    @Override
+    public void renderToolTip(MatrixStack matrices, int mouseX, int mouseY) {
+        if (this.tooltip.isEmpty()) {
+            return;
+        }
+
+        MinecraftClient client = MinecraftClient.getInstance();
+        Screen screen = client.currentScreen;
+        if (screen == null) {
+            return;
+        }
+
+        screen.renderTooltip(matrices, this.tooltip, x, y);
+    }
+}
@@ -41,11 +41,6 @@ import appeng.fluids.util.FluidSorters;
 import appeng.util.Platform;
 import appeng.util.prioritylist.IPartitionList;

-/**
- * @author BrockWS
- * @version rv6 - 22/05/2018
- * @since rv6 22/05/2018
- */
 public class FluidRepo {
    private final IItemList<IAEFluidStack> list = Api.instance().storage().getStorageChannel(IFluidStorageChannel.class)
            .createList();
@@ -21,23 +21,22 @@ package appeng.client.me;
 import javax.annotation.Nonnull;

 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.inventory.SimpleInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.screen.slot.Slot;

 import appeng.api.storage.data.IAEFluidStack;
 import appeng.fluids.container.slots.IMEFluidSlot;

-/**
- * @author BrockWS
- * @version rv6 - 22/05/2018
- * @since rv6 22/05/2018
- */
 public class SlotFluidME extends Slot implements IMEFluidSlot {

+    private static final Inventory EMPTY_INVENTORY = new SimpleInventory(0);
+
    private final InternalFluidSlotME slot;

    public SlotFluidME(InternalFluidSlotME slot) {
-        super(null, 0, slot.getxPosition(), slot.getyPosition());
+        super(EMPTY_INVENTORY, 0, slot.getxPosition(), slot.getyPosition());
        this.slot = slot;
    }

@@ -69,7 +68,7 @@ public class SlotFluidME extends Slot implements IMEFluidSlot {
    }

    @Override
-    public void setStack(final ItemStack par1ItemStack) {
+    public void setStack(final ItemStack stack) {

    }

@@ -85,7 +84,7 @@ public class SlotFluidME extends Slot implements IMEFluidSlot {
    }

    @Override
-    public boolean canTakeItems(final PlayerEntity par1PlayerEntity) {
+    public boolean canTakeItems(final PlayerEntity player) {
        return false;
    }
 }
@@ -19,6 +19,8 @@
 package appeng.client.me;

 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.inventory.SimpleInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.screen.slot.Slot;

@@ -26,16 +28,18 @@ import appeng.api.storage.data.IAEItemStack;

 public class SlotME extends Slot {

-    private final InternalSlotME mySlot;
+    private static final Inventory EMPTY_INVENTORY = new SimpleInventory(0);

-    public SlotME(final InternalSlotME me) {
-        super(null, 0, me.getxPosition(), me.getyPosition());
-        this.mySlot = me;
+    private final InternalSlotME slot;
+
+    public SlotME(final InternalSlotME slot) {
+        super(EMPTY_INVENTORY, 0, slot.getxPosition(), slot.getyPosition());
+        this.slot = slot;
    }

    public IAEItemStack getAEStack() {
-        if (this.mySlot.hasPower()) {
-            return this.mySlot.getAEStack();
+        if (this.slot.hasPower()) {
+            return this.slot.getAEStack();
        }
        return null;
    }
@@ -47,15 +51,15 @@ public class SlotME extends Slot {

    @Override
    public ItemStack getStack() {
-        if (this.mySlot.hasPower()) {
-            return this.mySlot.getStack();
+        if (this.slot.hasPower()) {
+            return this.slot.getStack();
        }
        return ItemStack.EMPTY;
    }

    @Override
    public boolean hasStack() {
-        if (this.mySlot.hasPower()) {
+        if (this.slot.hasPower()) {
            return !this.getStack().isEmpty();
        }
        return false;
@@ -104,7 +104,7 @@ class CableBuilder {
                throw new IllegalStateException("Cable type " + cableType + " does not support connections.");
        }

-        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
                new Identifier(AppEng.MOD_ID, textureFolder + color.name().toLowerCase(Locale.ROOT)));
    }

@@ -20,7 +20,6 @@ package appeng.client.render.cablebus;

 import java.util.ArrayList;
 import java.util.EnumMap;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -30,6 +29,10 @@ import java.util.function.Supplier;

 import javax.annotation.Nullable;

+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.fabricmc.fabric.api.renderer.v1.Renderer;
@@ -61,10 +64,15 @@ import appeng.api.util.AEColor;
@Environment(EnvType.CLIENT)
 public class CableBusBakedModel implements BakedModel, FabricBakedModel {

+    private static final Mesh EMPTY_MESH = consumer -> {
+    };
+
    private static final Renderer RENDERER = RendererAccess.INSTANCE.getRenderer();

-    // FIXME: This entire cache seems dumb as shit
-    private static final Map<CableBusRenderState, Mesh> CABLE_MODEL_CACHE = new HashMap<>();
+    // The number of meshes overall that will be cached
+    private static final int CACHE_MESH_COUNT = 100;
+
+    private final LoadingCache<CableBusRenderState, Mesh> cableModelCache;

    private final CableBuilder cableBuilder;

@@ -80,6 +88,15 @@ public class CableBusBakedModel implements BakedModel, FabricBakedModel {
        this.facadeBuilder = facadeBuilder;
        this.partModels = partModels;
        this.particleTexture = particleTexture;
+        this.cableModelCache = CacheBuilder.newBuilder()//
+                .maximumSize(CACHE_MESH_COUNT)//
+                .build(new CacheLoader<CableBusRenderState, Mesh>() {
+                    @Override
+                    public Mesh load(CableBusRenderState renderState) {
+                        Mesh mesh = buildCableModel(renderState);
+                        return mesh != null ? mesh : EMPTY_MESH;
+                    }
+                });
    }

    @Override
@@ -109,8 +126,8 @@ public class CableBusBakedModel implements BakedModel, FabricBakedModel {
        }

        // First, handle the cable at the center of the cable bus
-        final Mesh cableModel = CABLE_MODEL_CACHE.computeIfAbsent(renderState, this::buildCableModel);
-        if (cableModel != null) {
+        final Mesh cableModel = cableModelCache.getUnchecked(renderState);
+        if (cableModel != EMPTY_MESH) {
            context.meshConsumer().accept(cableModel);
        }

@@ -359,10 +376,6 @@ public class CableBusBakedModel implements BakedModel, FabricBakedModel {
        return ModelOverrideList.EMPTY;
    }

-    public static void clearCache() {
-        CABLE_MODEL_CACHE.clear();
-    }
-
    @Override
    public boolean isVanillaAdapter() {
        return false;
@@ -23,7 +23,6 @@ public class CableBusModelLoader implements ModelResourceProvider {
    public UnbakedModel loadModelResource(Identifier resourceId, ModelProviderContext context)
            throws ModelProviderException {
        if (CABLE_BUS_MODEL.equals(resourceId)) {
-            CableBusBakedModel.clearCache();
            return new CableBusModel(partModels);
        } else {
            return null;
@@ -74,7 +74,7 @@ public enum CableCoreType {
    }

    public SpriteIdentifier getTexture(AEColor color) {
-        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
                new Identifier(AppEng.MOD_ID, this.textureFolder + "/" + color.name().toLowerCase(Locale.ROOT)));
    }

@@ -258,7 +258,9 @@ public class FacadeBuilder {

                    for (Box box : holeStrips) {
                        emitter.fromVanilla(quad.getVertexData(), 0, false);
-                        emitter.cullFace(cullFace);
+                        // Keep the cull-face for faces that are flush with the outer block-face on the
+                        // side the facade is attached to, but clear it for anything that faces inwards
+                        emitter.cullFace(cullFace == side ? side : null);
                        emitter.nominalFace(quad.getFace());
                        interpolator.setInputQuad(emitter);

@@ -18,7 +18,7 @@ import appeng.core.AppEng;

 public class P2PTunnelFrequencyModel implements BasicUnbakedModel {

-    private static final SpriteIdentifier TEXTURE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "part/p2p_tunnel_frequency"));

    @Nullable
@@ -24,7 +24,6 @@ import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.fabricmc.fabric.api.renderer.v1.mesh.MutableQuadView;
 import net.fabricmc.fabric.api.renderer.v1.render.RenderContext;
-import net.fabricmc.fabric.impl.client.indigo.renderer.mesh.MutableQuadViewImpl;
 import net.minecraft.client.util.math.Vector3f;
 import net.minecraft.util.math.Direction;
 import net.minecraft.util.math.Quaternion;
@@ -93,10 +92,6 @@ public class QuadRotator implements RenderContext.QuadTransform {
            }
        }

-        // FIXME FABRIC: Wait for Grondags response about this one
-        MutableQuadViewImpl quadImpl = (MutableQuadViewImpl) quad;
-        quadImpl.lightFace(rotation.rotate(quad.lightFace()));
-
        // Transform the nominal face, setting the cull face will also overwrite the
        // nominialFace,
        // hence saving both first and the order here.
@@ -47,7 +47,8 @@ public class SmartCableTextures {
                    new Identifier(AppEng.MOD_ID, "part/cable/smart/channels_12"), //
                    new Identifier(AppEng.MOD_ID, "part/cable/smart/channels_13"), //
                    new Identifier(AppEng.MOD_ID, "part/cable/smart/channels_14")//
-            }).map(e -> new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX, e)).toArray(SpriteIdentifier[]::new);
+            }).map(e -> new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE, e))
+            .toArray(SpriteIdentifier[]::new);

    // Textures used to display channels on smart cables. There's two sets of 5
    // textures each, and
@@ -115,7 +115,7 @@ public class CraftingCubeModel implements BasicUnbakedModel {
    }

    private static SpriteIdentifier texture(String name) {
-        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
                new Identifier(AppEng.MOD_ID, "block/crafting/" + name));
    }
 }
@@ -25,7 +25,7 @@ import appeng.core.AppEng;
 public class BiometricCardModel implements BasicUnbakedModel {

    public static final Identifier MODEL_BASE = new Identifier(AppEng.MOD_ID, "item/biometric_card_base");
-    private static final SpriteIdentifier TEXTURE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "item/biometric_card_hash"));

    @Override
@@ -26,11 +26,11 @@ public class ColorApplicatorModel implements BasicUnbakedModel {

    private static final Identifier MODEL_BASE = new Identifier(AppEng.MOD_ID, "item/color_applicator_colored");

-    private static final SpriteIdentifier TEXTURE_DARK = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_DARK = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "item/color_applicator_tip_dark"));
-    private static final SpriteIdentifier TEXTURE_MEDIUM = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_MEDIUM = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "item/color_applicator_tip_medium"));
-    private static final SpriteIdentifier TEXTURE_BRIGHT = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_BRIGHT = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "item/color_applicator_tip_bright"));

    @Override
@@ -62,13 +62,13 @@ class GlassBakedModel implements BakedModel, FabricBakedModel {
    private static final byte[][][] OFFSETS = generateOffsets();

    // Alternating textures based on position
-    static final SpriteIdentifier TEXTURE_A = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    static final SpriteIdentifier TEXTURE_A = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier("appliedenergistics2:block/glass/quartz_glass_a"));
-    static final SpriteIdentifier TEXTURE_B = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    static final SpriteIdentifier TEXTURE_B = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier("appliedenergistics2:block/glass/quartz_glass_b"));
-    static final SpriteIdentifier TEXTURE_C = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    static final SpriteIdentifier TEXTURE_C = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier("appliedenergistics2:block/glass/quartz_glass_c"));
-    static final SpriteIdentifier TEXTURE_D = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    static final SpriteIdentifier TEXTURE_D = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier("appliedenergistics2:block/glass/quartz_glass_d"));

    // Frame texture
@@ -81,7 +81,7 @@ class GlassBakedModel implements BakedModel, FabricBakedModel {
    private static SpriteIdentifier[] generateTexturesFrame() {
        return IntStream.range(1, 16).mapToObj(Integer::toBinaryString).map(s -> Strings.padStart(s, 4, '0'))
                .map(s -> new Identifier("appliedenergistics2:block/glass/quartz_glass_frame" + s))
-                .map(rl -> new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX, rl))
+                .map(rl -> new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE, rl))
                .toArray(SpriteIdentifier[]::new);
    }

@@ -25,7 +25,7 @@ import appeng.core.AppEng;
 public class MemoryCardModel implements BasicUnbakedModel {

    public static final Identifier MODEL_BASE = new Identifier(AppEng.MOD_ID, "item/memory_card_base");
-    private static final SpriteIdentifier TEXTURE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "item/memory_card_hash"));

    @Override
@@ -59,7 +59,7 @@ public class SpatialPylonModel implements BasicUnbakedModel {
    }

    private static SpriteIdentifier getTexturePath(SpatialPylonTextureType type) {
-        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+        return new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
                new Identifier(AppEng.MOD_ID, "block/spatial_pylon/" + type.name().toLowerCase(Locale.ROOT)));
    }

@@ -38,7 +38,7 @@ public final class InscriberTESR extends BlockEntityRenderer<InscriberBlockEntit

    private static final float ITEM_RENDER_SCALE = 1.0f / 1.2f;

-    private static final SpriteIdentifier TEXTURE_INSIDE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEX,
+    private static final SpriteIdentifier TEXTURE_INSIDE = new SpriteIdentifier(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE,
            new Identifier(AppEng.MOD_ID, "block/inscriber_inside"));

    public static final ImmutableList<SpriteIdentifier> SPRITES = ImmutableList.of(TEXTURE_INSIDE);
@@ -66,10 +66,8 @@ import appeng.container.slot.PlayerInvSlot;
 import appeng.core.AELog;
 import appeng.core.Api;
 import appeng.core.sync.network.NetworkHandler;
-import appeng.core.sync.packets.ConfigValuePacket;
 import appeng.core.sync.packets.InventoryActionPacket;
 import appeng.core.sync.packets.TargetItemStackPacket;
-import appeng.helpers.ICustomNameObject;
 import appeng.helpers.InventoryAction;
 import appeng.me.helpers.PlayerSource;
 import appeng.mixins.ScreenHandlerListeners;
@@ -88,11 +86,9 @@ public abstract class AEBaseContainer extends ScreenHandler {
    private final IGuiItemObject obj;
    private final HashMap<Integer, SyncData> syncData = new HashMap<>();
    private boolean isContainerValid = true;
-    private String customName;
    private ContainerLocator locator;
    private IMEInventoryHandler<IAEItemStack> cellInv;
    private IEnergySource powerSrc;
-    private boolean sentCustomName;
    private int ticksSinceCheck = 900;
    private IAEItemStack clientRequestedTargetItem = null;

@@ -317,9 +313,7 @@ public abstract class AEBaseContainer extends ScreenHandler {

    @Override
    public void sendContentUpdates() {
-        this.sendCustomName();
-
-        if (Platform.isServer()) {
+        if (isServer()) {
            if (this.tileEntity != null
                    && this.tileEntity.getWorld().getBlockEntity(this.tileEntity.getPos()) != this.tileEntity) {
                this.setValidContainer(false);
@@ -886,43 +880,6 @@ public abstract class AEBaseContainer extends ScreenHandler {
        this.sendContentUpdates();
    }

-    private void sendCustomName() {
-        // FIXME: Trash this, this is handled by NamedContainerProvider now
-        if (!this.sentCustomName) {
-            this.sentCustomName = true;
-            if (Platform.isServer()) {
-                ICustomNameObject name = null;
-
-                if (this.part instanceof ICustomNameObject) {
-                    name = (ICustomNameObject) this.part;
-                }
-
-                if (this.tileEntity instanceof ICustomNameObject) {
-                    name = (ICustomNameObject) this.tileEntity;
-                }
-
-                if (this.obj instanceof ICustomNameObject) {
-                    name = (ICustomNameObject) this.obj;
-                }
-
-                if (this instanceof ICustomNameObject) {
-                    name = (ICustomNameObject) this;
-                }
-
-                if (name != null) {
-                    if (name.hasCustomInventoryName()) {
-                        this.setCustomName(name.getCustomInventoryName().getString());
-                    }
-
-                    if (this.getCustomName() != null) {
-                        NetworkHandler.instance().sendTo(new ConfigValuePacket("CustomName", this.getCustomName()),
-                                (ServerPlayerEntity) this.getPlayerInventory().player);
-                    }
-                }
-            }
-        }
-    }
-
    public void swapSlotContents(final int slotA, final int slotB) {
        final Slot a = this.getSlot(slotA);
        final Slot b = this.getSlot(slotB);
@@ -1012,14 +969,6 @@ public abstract class AEBaseContainer extends ScreenHandler {
        this.cellInv = cellInv;
    }

-    public String getCustomName() {
-        return this.customName;
-    }
-
-    public void setCustomName(final String customName) {
-        this.customName = customName;
-    }
-
    public PlayerInventory getPlayerInventory() {
        return this.invPlayer;
    }
@@ -1048,4 +997,18 @@ public abstract class AEBaseContainer extends ScreenHandler {
        this.powerSrc = powerSrc;
    }

+    /**
+     * Returns whether this container instance lives on the client.
+     */
+    protected boolean isClient() {
+        return invPlayer.player.getEntityWorld().isClient();
+    }
+
+    /**
+     * Returns whether this container instance lives on the server.
+     */
+    protected boolean isServer() {
+        return !isClient();
+    }
+
 }
@@ -89,6 +89,8 @@ public class SyncData {
                NetworkHandler.instance().sendTo(new ConfigValuePacket("SyncDat." + this.channel, json),
                        (ServerPlayerEntity) o);
            }
+            this.clientVersion = val;
+            return;
        }

        // Types other than Text must be non-null
@@ -50,7 +50,6 @@ import appeng.container.slot.RestrictedInputSlot;
 import appeng.core.Api;
 import appeng.tile.misc.CellWorkbenchBlockEntity;
 import appeng.util.EnumCycler;
-import appeng.util.Platform;
 import appeng.util.helpers.ItemHandlerUtil;
 import appeng.util.inv.WrapperSupplierItemHandler;
 import appeng.util.iterators.NullIterator;
@@ -143,7 +142,7 @@ public class CellWorkbenchContainer extends UpgradeableContainer {
    @Override
    public void sendContentUpdates() {
        final ItemStack is = this.workBench.getInventoryByName("cell").getInvStack(0);
-        if (Platform.isServer()) {
+        if (isServer()) {
            for (final ScreenHandlerListener listener : this.getListeners()) {
                if (this.prevStack != is) {
                    // if the bars changed an item was probably made, so just send shit!
@@ -34,7 +34,6 @@ import appeng.container.interfaces.IProgressProvider;
 import appeng.container.slot.OutputSlot;
 import appeng.container.slot.RestrictedInputSlot;
 import appeng.tile.misc.CondenserBlockEntity;
-import appeng.util.Platform;

 public class CondenserContainer extends AEBaseContainer implements IProgressProvider {

@@ -76,13 +75,13 @@ public class CondenserContainer extends AEBaseContainer implements IProgressProv

    @Override
    public void sendContentUpdates() {
-        if (Platform.isServer()) {
+        if (isServer()) {
            final double maxStorage = this.condenser.getStorage();
            final double requiredEnergy = this.condenser.getRequiredPower();

            this.requiredEnergy = requiredEnergy == 0 ? (int) maxStorage : (int) Math.min(requiredEnergy, maxStorage);
            this.storedPower = (int) this.condenser.getStoredPower();
-            this.setOutput((CondenserOutput) this.condenser.getConfigManager().getSetting(Settings.CONDENSER_OUTPUT));
+            this.output = (CondenserOutput) this.condenser.getConfigManager().getSetting(Settings.CONDENSER_OUTPUT);
        }

        super.sendContentUpdates();
@@ -102,7 +101,4 @@ public class CondenserContainer extends AEBaseContainer implements IProgressProv
        return this.output;
    }

-    private void setOutput(final CondenserOutput output) {
-        this.output = output;
-    }
 }
@@ -1,5 +1,7 @@
 package appeng.container.implementations;

+import java.util.function.Function;
+
 import javax.annotation.Nullable;

 import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory;
@@ -12,9 +14,7 @@ import net.minecraft.screen.ScreenHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
-import net.minecraft.text.TranslatableText;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.World;

 import appeng.api.config.SecurityPermissions;
 import appeng.api.features.IWirelessTermHandler;
@@ -44,6 +44,8 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {

    private final SecurityPermissions requiredPermission;

+    private Function<I, Text> containerTitleStrategy = this::getDefaultContainerTitle;
+
    public ContainerHelper(ContainerFactory<C, I> factory, Class<I> interfaceClass) {
        this(factory, interfaceClass, null);
    }
@@ -55,19 +57,47 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {
        this.factory = factory;
    }

+    /**
+     * Specifies a custom strategy for obtaining a custom container name.
+     * <p>
+     * The stratgy should return {@link LiteralText#EMPTY} if there's no custom
+     * name.
+     */
+    public ContainerHelper<C, I> withContainerTitle(Function<I, Text> containerTitleStrategy) {
+        this.containerTitleStrategy = containerTitleStrategy;
+        return this;
+    }
+
    /**
     * Opens a container that is based around a single block entity. The tile
     * entity's position is encoded in the packet buffer.
     */
    public C fromNetwork(int windowId, PlayerInventory inv, PacketByteBuf packetBuf) {
+        return fromNetwork(windowId, inv, packetBuf, (accessObj, container, buffer) -> {
+        });
+    }
+
+    /**
+     * Same as {@link #open}, but allows or additional data to be read from the
+     * packet, and passed onto the container.
+     */
+    public C fromNetwork(int windowId, PlayerInventory inv, PacketByteBuf packetBuf,
+            InitialDataDeserializer<C, I> initialDataDeserializer) {
        I host = getHostFromLocator(inv.player, ContainerLocator.read(packetBuf));
        if (host != null) {
-            return factory.create(windowId, inv, host);
+            C container = factory.create(windowId, inv, host);
+            initialDataDeserializer.deserializeInitialData(host, container, packetBuf);
+            return container;
        }
        return null;
    }

    public boolean open(PlayerEntity player, ContainerLocator locator) {
+        return open(player, locator, (accessObj, buffer) -> {
+        });
+    }
+
+    public boolean open(PlayerEntity player, ContainerLocator locator, InitialDataSerializer<I> initialDataSerializer) {
        if (!(player instanceof ServerPlayerEntity)) {
            // Cannot open containers on the client or for non-players
            // FIXME logging?
@@ -84,9 +114,9 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {
            return false;
        }

-        Text title = findContainerTitle(player.world, locator, accessInterface);
+        Text title = containerTitleStrategy.apply(accessInterface);

-        player.openHandledScreen(new HandlerFactory(locator, title, accessInterface));
+        player.openHandledScreen(new HandlerFactory(locator, title, accessInterface, initialDataSerializer));

        return true;
    }
@@ -99,15 +129,20 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {

        private final Text title;

-        public HandlerFactory(ContainerLocator locator, Text title, I accessInterface) {
+        private final InitialDataSerializer<I> initialDataSerializer;
+
+        public HandlerFactory(ContainerLocator locator, Text title, I accessInterface,
+                InitialDataSerializer<I> initialDataSerializer) {
            this.locator = locator;
            this.title = title;
            this.accessInterface = accessInterface;
+            this.initialDataSerializer = initialDataSerializer;
        }

        @Override
        public void writeScreenOpeningData(ServerPlayerEntity player, PacketByteBuf buf) {
            locator.write(buf);
+            initialDataSerializer.serializeInitialData(accessInterface, buf);
        }

        @Override
@@ -127,28 +162,6 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {

    }

-    private Text findContainerTitle(World world, ContainerLocator locator, I accessInterface) {
-
-        if (accessInterface instanceof ICustomNameObject) {
-            ICustomNameObject customNameObject = (ICustomNameObject) accessInterface;
-            if (customNameObject.hasCustomInventoryName()) {
-                return customNameObject.getCustomInventoryName();
-            }
-        }
-
-        // Use block name at position
-        // FIXME: this is not right, we'd need to check the part's item stack, or custom
-        // naming interface impl
-        // FIXME: Should move this up, because at this point, it's hard to know where
-        // the terminal host came from (part or tile)
-        if (locator.hasBlockPos()) {
-            return new TranslatableText(world.getBlockState(locator.getBlockPos()).getBlock().getTranslationKey());
-        }
-
-        return new LiteralText("Unknown");
-
-    }
-
    private I getHostFromLocator(PlayerEntity player, ContainerLocator locator) {
        if (locator.hasItemIndex()) {
            return getHostFromPlayerInventory(player, locator);
@@ -225,6 +238,24 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {
        C create(int windowId, PlayerInventory playerInv, I accessObj);
    }

+    /**
+     * Strategy used to serialize initial data for opening the container on the
+     * client-side into the packet that is sent to the client.
+     */
+    @FunctionalInterface
+    public interface InitialDataSerializer<I> {
+        void serializeInitialData(I host, PacketByteBuf buffer);
+    }
+
+    /**
+     * Strategy used to deserialize initial data for opening the container on the
+     * client-side from the packet received by the server.
+     */
+    @FunctionalInterface
+    public interface InitialDataDeserializer<C, I> {
+        void deserializeInitialData(I host, C container, PacketByteBuf buffer);
+    }
+
    private boolean checkPermission(PlayerEntity player, Object accessInterface) {

        if (requiredPermission != null) {
@@ -235,4 +266,15 @@ public final class ContainerHelper<C extends AEBaseContainer, I> {

    }

+    private Text getDefaultContainerTitle(I accessInterface) {
+        if (accessInterface instanceof ICustomNameObject) {
+            ICustomNameObject customNameObject = (ICustomNameObject) accessInterface;
+            if (customNameObject.hasCustomInventoryName()) {
+                return customNameObject.getCustomInventoryName();
+            }
+        }
+
+        return LiteralText.EMPTY;
+    }
+
 }
@@ -19,14 +19,8 @@
 package appeng.container.implementations;

 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
 import java.util.concurrent.Future;

-import javax.annotation.Nullable;
-
-import com.google.common.collect.ImmutableSet;
-
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.network.PacketByteBuf;
@@ -66,9 +60,8 @@ import appeng.me.helpers.PlayerSource;
 import appeng.parts.reporting.CraftingTerminalPart;
 import appeng.parts.reporting.PatternTerminalPart;
 import appeng.parts.reporting.TerminalPart;
-import appeng.util.Platform;

-public class CraftConfirmContainer extends AEBaseContainer {
+public class CraftConfirmContainer extends AEBaseContainer implements CraftingCPUCyclingContainer {

    public static ScreenHandlerType<CraftConfirmContainer> TYPE;

@@ -83,98 +76,51 @@ public class CraftConfirmContainer extends AEBaseContainer {
        return helper.open(player, locator);
    }

-    private final ArrayList<CraftingCPURecord> cpus = new ArrayList<>();
+    private final CraftingCPUCycler cpuCycler;
+
+    private ICraftingCPU selectedCpu;
+
    private Future<ICraftingJob> job;
    private ICraftingJob result;
    @GuiSync(0)
    public long bytesUsed;
-    @GuiSync(1)
-    public long cpuBytesAvail;
-    @GuiSync(2)
-    public int cpuCoProcessors;
    @GuiSync(3)
    public boolean autoStart = false;
    @GuiSync(4)
    public boolean simulation = true;
-    @GuiSync(5)
-    public int selectedCpu = -1;
+
+    // Indicates whether any CPUs are available
    @GuiSync(6)
    public boolean noCPU = true;
+
+    // Properties of the currently selected crafting CPU, this can be null
+    // if no CPUs are available, or if an automatic one is selected
+    @GuiSync(1)
+    public long cpuBytesAvail;
+    @GuiSync(2)
+    public int cpuCoProcessors;
    @GuiSync(7)
-    public Text myName;
+    public Text cpuName;

    public CraftConfirmContainer(int id, PlayerInventory ip, ITerminalHost te) {
        super(TYPE, id, ip, te);
+        this.cpuCycler = new CraftingCPUCycler(this::cpuMatches, this::onCPUSelectionChanged);
+        // A player can select no crafting CPU to use a suitable one automatically
+        this.cpuCycler.setAllowNoSelection(true);
    }

-    public void cycleCpu(final boolean next) {
-        if (next) {
-            this.setSelectedCpu(this.getSelectedCpu() + 1);
-        } else {
-            this.setSelectedCpu(this.getSelectedCpu() - 1);
-        }
-
-        if (this.getSelectedCpu() < -1) {
-            this.setSelectedCpu(this.cpus.size() - 1);
-        } else if (this.getSelectedCpu() >= this.cpus.size()) {
-            this.setSelectedCpu(-1);
-        }
-
-        if (this.getSelectedCpu() == -1) {
-            this.setCpuAvailableBytes(0);
-            this.setCpuCoProcessors(0);
-            this.setName(null);
-        } else {
-            CraftingCPURecord cpu = this.cpus.get(this.getSelectedCpu());
-            this.setName(cpu.getName());
-            this.setCpuAvailableBytes(cpu.getSize());
-            this.setCpuCoProcessors(cpu.getProcessors());
-        }
+    @Override
+    public void cycleSelectedCPU(final boolean next) {
+        this.cpuCycler.cycleCpu(next);
    }

    @Override
    public void sendContentUpdates() {
-        if (Platform.isClient()) {
+        if (isClient()) {
            return;
        }

-        final ICraftingGrid cc = this.getGrid().getCache(ICraftingGrid.class);
-        final ImmutableSet<ICraftingCPU> cpuSet = cc.getCpus();
-
-        int matches = 0;
-        boolean changed = false;
-        for (final ICraftingCPU c : cpuSet) {
-            boolean found = false;
-            for (final CraftingCPURecord ccr : this.cpus) {
-                if (ccr.getCpu() == c) {
-                    found = true;
-                    break;
-                }
-            }
-
-            final boolean matched = this.cpuMatches(c);
-
-            if (matched) {
-                matches++;
-            }
-
-            if (found == !matched) {
-                changed = true;
-            }
-        }
-
-        if (changed || this.cpus.size() != matches) {
-            this.cpus.clear();
-            for (final ICraftingCPU c : cpuSet) {
-                if (this.cpuMatches(c)) {
-                    this.cpus.add(new CraftingCPURecord(c.getAvailableStorage(), c.getCoProcessors(), c));
-                }
-            }
-
-            this.sendCPUs();
-        }
-
-        this.setNoCPU(this.cpus.isEmpty());
+        this.cpuCycler.detectAndSendChanges(this.getGrid());

        super.sendContentUpdates();

@@ -277,22 +223,6 @@ public class CraftConfirmContainer extends AEBaseContainer {
        return c.getAvailableStorage() >= this.getUsedBytes() && !c.isBusy();
    }

-    private void sendCPUs() {
-        Collections.sort(this.cpus);
-
-        if (this.getSelectedCpu() >= this.cpus.size()) {
-            this.setSelectedCpu(-1);
-            this.setCpuAvailableBytes(0);
-            this.setCpuCoProcessors(0);
-            this.setName(null);
-        } else if (this.getSelectedCpu() != -1) {
-            CraftingCPURecord cpu = this.cpus.get(this.getSelectedCpu());
-            this.setName(cpu.getName());
-            this.setCpuAvailableBytes(cpu.getSize());
-            this.setCpuCoProcessors(cpu.getProcessors());
-        }
-    }
-
    public void startJob() {
        ScreenHandlerType<?> originalGui = null;

@@ -315,9 +245,7 @@ public class CraftConfirmContainer extends AEBaseContainer {

        if (this.result != null && !this.isSimulation()) {
            final ICraftingGrid cc = this.getGrid().getCache(ICraftingGrid.class);
-            final ICraftingLink g = cc.submitJob(this.result, null,
-                    this.getSelectedCpu() == -1 ? null : this.cpus.get(this.getSelectedCpu()).getCpu(), true,
-                    this.getActionSrc());
+            final ICraftingLink g = cc.submitJob(this.result, null, this.selectedCpu, true, this.getActionSrc());
            this.setAutoStart(false);
            if (g != null && originalGui != null && this.getLocator() != null) {
                ContainerOpener.openContainer(originalGui, getPlayerInventory().player, getLocator());
@@ -347,6 +275,22 @@ public class CraftConfirmContainer extends AEBaseContainer {
        }
    }

+    private void onCPUSelectionChanged(CraftingCPURecord cpuRecord, boolean cpusAvailable) {
+        noCPU = !cpusAvailable;
+
+        if (cpuRecord == null) {
+            cpuBytesAvail = 0;
+            cpuCoProcessors = 0;
+            cpuName = null;
+            selectedCpu = null;
+        } else {
+            cpuBytesAvail = cpuRecord.getSize();
+            cpuCoProcessors = cpuRecord.getProcessors();
+            cpuName = cpuRecord.getName();
+            selectedCpu = cpuRecord.getCpu();
+        }
+    }
+
    public World getWorld() {
        return this.getPlayerInv().player.world;
    }
@@ -371,42 +315,18 @@ public class CraftConfirmContainer extends AEBaseContainer {
        return this.cpuBytesAvail;
    }

-    private void setCpuAvailableBytes(final long cpuBytesAvail) {
-        this.cpuBytesAvail = cpuBytesAvail;
-    }
-
    public int getCpuCoProcessors() {
        return this.cpuCoProcessors;
    }

-    private void setCpuCoProcessors(final int cpuCoProcessors) {
-        this.cpuCoProcessors = cpuCoProcessors;
-    }
-
-    public int getSelectedCpu() {
-        return this.selectedCpu;
-    }
-
-    private void setSelectedCpu(final int selectedCpu) {
-        this.selectedCpu = selectedCpu;
-    }
-
    public Text getName() {
-        return this.myName;
-    }
-
-    private void setName(@Nullable final Text myName) {
-        this.myName = myName;
+        return this.cpuName;
    }

    public boolean hasNoCPU() {
        return this.noCPU;
    }

-    private void setNoCPU(final boolean noCPU) {
-        this.noCPU = noCPU;
-    }
-
    public boolean isSimulation() {
        return this.simulation;
    }
@@ -26,7 +26,7 @@ import net.minecraft.network.PacketByteBuf;
 import net.minecraft.screen.ScreenHandlerListener;
 import net.minecraft.screen.ScreenHandlerType;
 import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
+import net.minecraft.text.LiteralText;

 import appeng.api.config.SecurityPermissions;
 import appeng.api.networking.IGrid;
@@ -46,24 +46,28 @@ import appeng.core.Api;
 import appeng.core.sync.network.NetworkHandler;
 import appeng.core.sync.packets.ConfigValuePacket;
 import appeng.core.sync.packets.MEInventoryUpdatePacket;
-import appeng.helpers.ICustomNameObject;
 import appeng.me.cluster.implementations.CraftingCPUCluster;
 import appeng.tile.crafting.CraftingBlockEntity;
-import appeng.util.Platform;

-public class CraftingCPUContainer extends AEBaseContainer
-        implements IMEMonitorHandlerReceiver<IAEItemStack>, ICustomNameObject {
+public class CraftingCPUContainer extends AEBaseContainer implements IMEMonitorHandlerReceiver<IAEItemStack> {

    public static ScreenHandlerType<CraftingCPUContainer> TYPE;

    private static final ContainerHelper<CraftingCPUContainer, CraftingBlockEntity> helper = new ContainerHelper<>(
-            CraftingCPUContainer::new, CraftingBlockEntity.class, SecurityPermissions.CRAFT);
+            CraftingCPUContainer::new, CraftingBlockEntity.class, SecurityPermissions.CRAFT)
+                    .withContainerTitle(craftingTileEntity -> {
+                        // Use the cluster's custom name instead of the right-clicked block entities one
+                        CraftingCPUCluster cluster = craftingTileEntity.getCluster();
+                        if (cluster != null && cluster.getName() != null) {
+                            return cluster.getName();
+                        }
+                        return LiteralText.EMPTY;
+                    });

    private final IItemList<IAEItemStack> list = Api.instance().storage().getStorageChannel(IItemStorageChannel.class)
            .createList();
-    private IGrid network;
+    private final IGrid network;
    private CraftingCPUCluster monitor = null;
-    private Text cpuName = null;

    @GuiSync(0)
    public long eta = -1;
@@ -77,14 +81,16 @@ public class CraftingCPUContainer extends AEBaseContainer
        final IActionHost host = (IActionHost) (te instanceof IActionHost ? te : null);

        if (host != null && host.getActionableNode() != null) {
-            this.setNetwork(host.getActionableNode().getGrid());
+            this.network = host.getActionableNode().getGrid();
+        } else {
+            this.network = null;
        }

        if (te instanceof CraftingBlockEntity) {
            this.setCPU(((CraftingBlockEntity) te).getCluster());
        }

-        if (this.getNetwork() == null && Platform.isServer()) {
+        if (this.getNetwork() == null && isServer()) {
            this.setValidContainer(false);
        }
    }
@@ -114,15 +120,13 @@ public class CraftingCPUContainer extends AEBaseContainer
        }

        if (c instanceof CraftingCPUCluster) {
-            this.cpuName = c.getName();
-            this.setMonitor((CraftingCPUCluster) c);
+            this.monitor = (CraftingCPUCluster) c;
            this.list.resetStatus();
            this.getMonitor().getListOfItem(this.list, CraftingItemList.ALL);
            this.getMonitor().addListener(this, null);
            this.setEstimatedTime(0);
        } else {
-            this.setMonitor(null);
-            this.cpuName = null;
+            this.monitor = null;
            this.setEstimatedTime(-1);
        }
    }
@@ -153,7 +157,7 @@ public class CraftingCPUContainer extends AEBaseContainer

    @Override
    public void sendContentUpdates() {
-        if (Platform.isServer() && this.getMonitor() != null && !this.list.isEmpty()) {
+        if (isServer() && this.getMonitor() != null && !this.list.isEmpty()) {
            try {
                if (this.getEstimatedTime() >= 0) {
                    final long elapsedTime = this.getMonitor().getElapsedTime();
@@ -218,16 +222,6 @@ public class CraftingCPUContainer extends AEBaseContainer

    }

-    @Override
-    public Text getCustomInventoryName() {
-        return this.cpuName;
-    }
-
-    @Override
-    public boolean hasCustomInventoryName() {
-        return this.cpuName != null;
-    }
-
    public long getEstimatedTime() {
        return this.eta;
    }
@@ -240,15 +234,8 @@ public class CraftingCPUContainer extends AEBaseContainer
        return this.monitor;
    }

-    private void setMonitor(final CraftingCPUCluster monitor) {
-        this.monitor = monitor;
-    }
-
    IGrid getNetwork() {
        return this.network;
    }

-    private void setNetwork(final IGrid network) {
-        this.network = network;
-    }
 }
@@ -0,0 +1,131 @@
+package appeng.container.implementations;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.function.Predicate;
+
+import com.google.common.collect.ImmutableSet;
+
+import net.minecraft.text.LiteralText;
+
+import appeng.api.networking.IGrid;
+import appeng.api.networking.crafting.ICraftingCPU;
+import appeng.api.networking.crafting.ICraftingGrid;
+
+/**
+ * Utility class for dialogs that can cycle through crafting CPUs
+ */
+class CraftingCPUCycler {
+
+    @FunctionalInterface
+    public interface ChangeListener {
+        void onChange(CraftingCPURecord selectedCpu, boolean cpusAvailable);
+    }
+
+    private final Predicate<ICraftingCPU> cpuFilter;
+    private final ChangeListener changeListener;
+    private final List<CraftingCPURecord> cpus = new ArrayList<>();
+    private int selectedCpu = -1;
+    private boolean initialDataSent = false;
+    private boolean allowNoSelection;
+
+    public CraftingCPUCycler(Predicate<ICraftingCPU> cpuFilter, ChangeListener changeListener) {
+        this.cpuFilter = cpuFilter;
+        this.changeListener = changeListener;
+    }
+
+    public void detectAndSendChanges(IGrid network) {
+        final ICraftingGrid cc = network.getCache(ICraftingGrid.class);
+        final ImmutableSet<ICraftingCPU> cpuSet = cc.getCpus();
+
+        int matches = 0;
+        boolean changed = !initialDataSent;
+        initialDataSent = true;
+        for (final ICraftingCPU c : cpuSet) {
+            boolean found = false;
+            for (final CraftingCPURecord ccr : this.cpus) {
+                if (ccr.getCpu() == c) {
+                    found = true;
+                    break;
+                }
+            }
+
+            final boolean matched = this.cpuFilter.test(c);
+
+            if (matched) {
+                matches++;
+            }
+
+            if (found == !matched) {
+                changed = true;
+            }
+        }
+
+        if (changed || this.cpus.size() != matches) {
+            this.cpus.clear();
+            for (final ICraftingCPU c : cpuSet) {
+                if (this.cpuFilter.test(c)) {
+                    this.cpus.add(new CraftingCPURecord(c.getAvailableStorage(), c.getCoProcessors(), c));
+                }
+            }
+
+            // Sort and assign numeric IDs in case they have no names
+            Collections.sort(this.cpus);
+            for (int i = 0; i < this.cpus.size(); i++) {
+                CraftingCPURecord cpu = cpus.get(i);
+                if (cpu.getName() == null) {
+                    cpu.setName(new LiteralText("#" + (i + 1)));
+                }
+            }
+
+            this.notifyListener();
+        }
+    }
+
+    public void cycleCpu(final boolean next) {
+        if (next) {
+            this.selectedCpu++;
+        } else {
+            this.selectedCpu--;
+        }
+
+        // If "no CPU" is a valid selection, then -1 is the first potential item
+        int lowerLimit = this.allowNoSelection ? -1 : 0;
+
+        if (this.selectedCpu < lowerLimit) {
+            this.selectedCpu = this.cpus.size() - 1;
+        } else if (this.selectedCpu >= this.cpus.size()) {
+            this.selectedCpu = lowerLimit;
+        }
+
+        this.notifyListener();
+    }
+
+    public boolean isAllowNoSelection() {
+        return allowNoSelection;
+    }
+
+    public void setAllowNoSelection(boolean allowNoSelection) {
+        this.allowNoSelection = allowNoSelection;
+    }
+
+    private void notifyListener() {
+        if (this.selectedCpu >= this.cpus.size()) {
+            this.selectedCpu = -1;
+        }
+
+        // Force the selected CPU to the first available CPU unless no-selection is
+        // explicitly allowed
+        if (!this.allowNoSelection && this.selectedCpu == -1 && !this.cpus.isEmpty()) {
+            this.selectedCpu = 0;
+        }
+
+        if (this.selectedCpu != -1) {
+            this.changeListener.onChange(this.cpus.get(this.selectedCpu), true);
+        } else {
+            this.changeListener.onChange(null, !this.cpus.isEmpty());
+        }
+    }
+
+}
@@ -0,0 +1,12 @@
+package appeng.container.implementations;
+
+/**
+ * Implemented on screens that show information about a crafting CPU and allow
+ * the CPU to be cycled. Is triggered by receiving a config value packet with
+ * name <code>Terminal.Cpu</code>.
+ */
+public interface CraftingCPUCyclingContainer {
+
+    void cycleSelectedCPU(boolean forward);
+
+}
@@ -25,16 +25,16 @@ import net.minecraft.text.Text;
 import appeng.api.networking.crafting.ICraftingCPU;

 public class CraftingCPURecord implements Comparable<CraftingCPURecord> {
-    private final Text myName;
    private final ICraftingCPU cpu;
    private final long size;
    private final int processors;
+    private Text name;

    public CraftingCPURecord(final long size, final int coProcessors, final ICraftingCPU server) {
        this.size = size;
        this.processors = coProcessors;
        this.cpu = server;
-        this.myName = server.getName();
+        this.name = server.getName();
    }

    @Override
@@ -50,10 +50,6 @@ public class CraftingCPURecord implements Comparable<CraftingCPURecord> {
        return this.cpu;
    }

-    Text getName() {
-        return this.myName;
-    }
-
    int getProcessors() {
        return this.processors;
    }
@@ -61,4 +57,13 @@ public class CraftingCPURecord implements Comparable<CraftingCPURecord> {
    long getSize() {
        return this.size;
    }
+
+    public Text getName() {
+        return name;
+    }
+
+    public void setName(Text name) {
+        this.name = name;
+    }
+
 }
@@ -18,12 +18,6 @@

 package appeng.container.implementations;

-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-import com.google.common.collect.ImmutableSet;
-
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.network.PacketByteBuf;
@@ -31,14 +25,13 @@ import net.minecraft.screen.ScreenHandlerType;
 import net.minecraft.text.Text;

 import appeng.api.config.SecurityPermissions;
+import appeng.api.networking.IGrid;
 import appeng.api.networking.crafting.ICraftingCPU;
-import appeng.api.networking.crafting.ICraftingGrid;
 import appeng.api.storage.ITerminalHost;
 import appeng.container.ContainerLocator;
 import appeng.container.guisync.GuiSync;
-import appeng.util.Platform;

-public class CraftingStatusContainer extends CraftingCPUContainer {
+public class CraftingStatusContainer extends CraftingCPUContainer implements CraftingCPUCyclingContainer {

    public static ScreenHandlerType<CraftingStatusContainer> TYPE;

@@ -53,13 +46,13 @@ public class CraftingStatusContainer extends CraftingCPUContainer {
        return helper.open(player, locator);
    }

-    private final List<CraftingCPURecord> cpus = new ArrayList<>();
-    @GuiSync(5)
-    public int selectedCpu = -1;
+    private final CraftingCPUCycler cpuCycler = new CraftingCPUCycler(this::cpuMatches, this::onCPUSelectionChanged);
+
    @GuiSync(6)
    public boolean noCPU = true;
+
    @GuiSync(7)
-    public Text myName;
+    public Text cpuName;

    public CraftingStatusContainer(int id, final PlayerInventory ip, final ITerminalHost te) {
        super(TYPE, id, ip, te);
@@ -67,43 +60,9 @@ public class CraftingStatusContainer extends CraftingCPUContainer {

    @Override
    public void sendContentUpdates() {
-        if (Platform.isServer() && this.getNetwork() != null) {
-            final ICraftingGrid cc = this.getNetwork().getCache(ICraftingGrid.class);
-            final ImmutableSet<ICraftingCPU> cpuSet = cc.getCpus();
-
-            int matches = 0;
-            boolean changed = false;
-            for (final ICraftingCPU c : cpuSet) {
-                boolean found = false;
-                for (final CraftingCPURecord ccr : this.cpus) {
-                    if (ccr.getCpu() == c) {
-                        found = true;
-                    }
-                }
-
-                final boolean matched = this.cpuMatches(c);
-
-                if (matched) {
-                    matches++;
-                }
-
-                if (found == !matched) {
-                    changed = true;
-                }
-            }
-
-            if (changed || this.cpus.size() != matches) {
-                this.cpus.clear();
-                for (final ICraftingCPU c : cpuSet) {
-                    if (this.cpuMatches(c)) {
-                        this.cpus.add(new CraftingCPURecord(c.getAvailableStorage(), c.getCoProcessors(), c));
-                    }
-                }
-
-                this.sendCPUs();
-            }
-
-            this.noCPU = this.cpus.isEmpty();
+        IGrid network = this.getNetwork();
+        if (isServer() && network != null) {
+            cpuCycler.detectAndSendChanges(network);
        }

        super.sendContentUpdates();
@@ -113,52 +72,20 @@ public class CraftingStatusContainer extends CraftingCPUContainer {
        return c.isBusy();
    }

-    private void sendCPUs() {
-        Collections.sort(this.cpus);
-
-        if (this.selectedCpu >= this.cpus.size()) {
-            this.selectedCpu = -1;
-            this.myName = null;
-        } else if (this.selectedCpu != -1) {
-            this.myName = this.cpus.get(this.selectedCpu).getName();
-        }
-
-        if (this.selectedCpu == -1 && this.cpus.size() > 0) {
-            this.selectedCpu = 0;
-        }
-
-        if (this.selectedCpu != -1) {
-            if (this.cpus.get(this.selectedCpu).getCpu() != this.getMonitor()) {
-                this.setCPU(this.cpus.get(this.selectedCpu).getCpu());
-            }
+    private void onCPUSelectionChanged(CraftingCPURecord cpuRecord, boolean cpusAvailable) {
+        noCPU = !cpusAvailable;
+        if (cpuRecord == null) {
+            cpuName = null;
+            setCPU(null);
        } else {
-            this.setCPU(null);
+            cpuName = cpuRecord.getName();
+            setCPU(cpuRecord.getCpu());
        }
    }

-    public void cycleCpu(final boolean next) {
-        if (next) {
-            this.selectedCpu++;
-        } else {
-            this.selectedCpu--;
-        }
-
-        if (this.selectedCpu < -1) {
-            this.selectedCpu = this.cpus.size() - 1;
-        } else if (this.selectedCpu >= this.cpus.size()) {
-            this.selectedCpu = -1;
-        }
-
-        if (this.selectedCpu == -1 && this.cpus.size() > 0) {
-            this.selectedCpu = 0;
-        }
-
-        if (this.selectedCpu == -1) {
-            this.myName = null;
-            this.setCPU(null);
-        } else {
-            this.myName = this.cpus.get(this.selectedCpu).getName();
-            this.setCPU(this.cpus.get(this.selectedCpu).getCpu());
-        }
+    @Override
+    public void cycleSelectedCPU(boolean forward) {
+        this.cpuCycler.cycleCpu(forward);
    }
+
 }
@@ -36,7 +36,6 @@ import appeng.container.slot.FakeTypeOnlySlot;
 import appeng.container.slot.OptionalTypeOnlyFakeSlot;
 import appeng.container.slot.RestrictedInputSlot;
 import appeng.parts.automation.FormationPlanePart;
-import appeng.util.Platform;

 public class FormationPlaneContainer extends UpgradeableContainer {

@@ -108,7 +107,7 @@ public class FormationPlaneContainer extends UpgradeableContainer {
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.setFuzzyMode((FuzzyMode) this.getUpgradeable().getConfigManager().getSetting(Settings.FUZZY_MODE));
            this.setPlaceMode((YesNo) this.getUpgradeable().getConfigManager().getSetting(Settings.PLACE_BLOCK));
        }
@@ -35,7 +35,6 @@ import appeng.container.guisync.GuiSync;
 import appeng.container.slot.OutputSlot;
 import appeng.container.slot.RestrictedInputSlot;
 import appeng.tile.storage.IOPortBlockEntity;
-import appeng.util.Platform;

 public class IOPortContainer extends UpgradeableContainer {

@@ -112,7 +111,7 @@ public class IOPortContainer extends UpgradeableContainer {
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.setOperationMode(
                    (OperationMode) this.getUpgradeable().getConfigManager().getSetting(Settings.OPERATION_MODE));
            this.setFullMode(
@@ -36,7 +36,6 @@ import appeng.container.slot.RestrictedInputSlot;
 import appeng.core.Api;
 import appeng.tile.misc.InscriberBlockEntity;
 import appeng.tile.misc.InscriberRecipes;
-import appeng.util.Platform;

 /**
 * @author AlgorithmX2
@@ -120,7 +119,7 @@ public class InscriberContainer extends UpgradeableContainer implements IProgres
    public void sendContentUpdates() {
        this.standardDetectAndSendChanges();

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.maxProcessingTime = this.ti.getMaxProcessingTime();
            this.processingTime = this.ti.getProcessingTime();
        }
@@ -45,7 +45,7 @@ import appeng.api.networking.security.IActionHost;
 import appeng.container.AEBaseContainer;
 import appeng.container.ContainerLocator;
 import appeng.core.sync.network.NetworkHandler;
-import appeng.core.sync.packets.CompressedNBTPacket;
+import appeng.core.sync.packets.MEInterfaceUpdatePacket;
 import appeng.helpers.DualityInterface;
 import appeng.helpers.IInterfaceHost;
 import appeng.helpers.InventoryAction;
@@ -55,7 +55,6 @@ import appeng.parts.reporting.InterfaceTerminalPart;
 import appeng.tile.inventory.AppEngInternalInventory;
 import appeng.tile.misc.InterfaceBlockEntity;
 import appeng.util.InventoryAdaptor;
-import appeng.util.Platform;
 import appeng.util.helpers.ItemHandlerUtil;
 import appeng.util.inv.AdaptorFixedInv;
 import appeng.util.inv.WrapperCursorItemHandler;
@@ -88,7 +87,7 @@ public final class InterfaceTerminalContainer extends AEBaseContainer {
    public InterfaceTerminalContainer(int id, final PlayerInventory ip, final InterfaceTerminalPart anchor) {
        super(TYPE, id, ip, anchor);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.grid = anchor.getActionableNode().getGrid();
        }

@@ -97,7 +96,7 @@ public final class InterfaceTerminalContainer extends AEBaseContainer {

    @Override
    public void sendContentUpdates() {
-        if (Platform.isClient()) {
+        if (isClient()) {
            return;
        }

@@ -177,7 +176,7 @@ public final class InterfaceTerminalContainer extends AEBaseContainer {

        if (!this.data.isEmpty()) {
            try {
-                NetworkHandler.instance().sendTo(new CompressedNBTPacket(this.data),
+                NetworkHandler.instance().sendTo(new MEInterfaceUpdatePacket(this.data),
                        (ServerPlayerEntity) this.getPlayerInv().player);
            } catch (final IOException e) {
                // :P
@@ -18,8 +18,6 @@

 package appeng.container.implementations;

-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.network.PacketByteBuf;
@@ -33,13 +31,13 @@ import appeng.api.config.RedstoneMode;
 import appeng.api.config.SecurityPermissions;
 import appeng.api.config.Settings;
 import appeng.api.config.YesNo;
-import appeng.client.gui.implementations.NumberEntryWidget;
 import appeng.container.ContainerLocator;
 import appeng.container.guisync.GuiSync;
 import appeng.container.slot.FakeTypeOnlySlot;
 import appeng.container.slot.RestrictedInputSlot;
+import appeng.core.sync.network.NetworkHandler;
+import appeng.core.sync.packets.ConfigValuePacket;
 import appeng.parts.automation.LevelEmitterPart;
-import appeng.util.Platform;

 public class LevelEmitterContainer extends UpgradeableContainer {

@@ -49,38 +47,46 @@ public class LevelEmitterContainer extends UpgradeableContainer {
            LevelEmitterContainer::new, LevelEmitterPart.class, SecurityPermissions.BUILD);

    public static LevelEmitterContainer fromNetwork(int windowId, PlayerInventory inv, PacketByteBuf buf) {
-        return helper.fromNetwork(windowId, inv, buf);
+        return helper.fromNetwork(windowId, inv, buf, (host, container, buffer) -> {
+            container.reportingValue = buffer.readVarLong();
+        });
    }

    public static boolean open(PlayerEntity player, ContainerLocator locator) {
-        return helper.open(player, locator);
+        return helper.open(player, locator, (host, buffer) -> {
+            buffer.writeVarLong(host.getReportingValue());
+        });
    }

    private final LevelEmitterPart lvlEmitter;

-    @Environment(EnvType.CLIENT)
-    private NumberEntryWidget textField;
    @GuiSync(2)
    public LevelType lvType;
    @GuiSync(3)
-    public long EmitterValue = -1;
-    @GuiSync(4)
    public YesNo cmType;

+    // Only synced once on container-open, and only used on client
+    private long reportingValue;
+
    public LevelEmitterContainer(int id, final PlayerInventory ip, final LevelEmitterPart te) {
        super(TYPE, id, ip, te);
        this.lvlEmitter = te;
    }

-    @Environment(EnvType.CLIENT)
-    public void setTextField(final NumberEntryWidget level) {
-        this.textField = level;
-        this.textField.setValue(this.EmitterValue);
+    public long getReportingValue() {
+        return reportingValue;
    }

-    public void setLevel(final long l, final PlayerEntity player) {
-        this.lvlEmitter.setReportingValue(l);
-        this.EmitterValue = l;
+    public void setReportingValue(long reportingValue) {
+        if (isClient()) {
+            if (reportingValue != this.reportingValue) {
+                this.reportingValue = reportingValue;
+                NetworkHandler.instance()
+                        .sendToServer(new ConfigValuePacket("LevelEmitter.Value", String.valueOf(reportingValue)));
+            }
+        } else {
+            this.lvlEmitter.setReportingValue(reportingValue);
+        }
    }

    @Override
@@ -116,7 +122,6 @@ public class LevelEmitterContainer extends UpgradeableContainer {

    @Override
    public int availableUpgrades() {
-
        return 1;
    }

@@ -124,8 +129,7 @@ public class LevelEmitterContainer extends UpgradeableContainer {
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
-            this.EmitterValue = this.lvlEmitter.getReportingValue();
+        if (isServer()) {
            this.setCraftingMode(
                    (YesNo) this.getUpgradeable().getConfigManager().getSetting(Settings.CRAFT_VIA_REDSTONE));
            this.setLevelMode((LevelType) this.getUpgradeable().getConfigManager().getSetting(Settings.LEVEL_TYPE));
@@ -137,15 +141,6 @@ public class LevelEmitterContainer extends UpgradeableContainer {
        this.standardDetectAndSendChanges();
    }

-    @Override
-    public void onUpdate(final String field, final Object oldValue, final Object newValue) {
-        if (field.equals("EmitterValue")) {
-            if (this.textField != null) {
-                this.textField.setValue(this.EmitterValue);
-            }
-        }
-    }
-
    @Override
    public YesNo getCraftingMode() {
        return this.cmType;
@@ -163,4 +158,5 @@ public class LevelEmitterContainer extends UpgradeableContainer {
    private void setLevelMode(final LevelType lvType) {
        this.lvType = lvType;
    }
+
 }
@@ -46,6 +46,8 @@ import appeng.api.implementations.tiles.IViewCellStorage;
 import appeng.api.networking.IGrid;
 import appeng.api.networking.IGridHost;
 import appeng.api.networking.IGridNode;
+import appeng.api.networking.crafting.ICraftingCPU;
+import appeng.api.networking.crafting.ICraftingGrid;
 import appeng.api.networking.energy.IEnergyGrid;
 import appeng.api.networking.energy.IEnergySource;
 import appeng.api.networking.security.IActionHost;
@@ -73,7 +75,6 @@ import appeng.core.sync.packets.MEInventoryUpdatePacket;
 import appeng.me.helpers.ChannelPowerSrc;
 import appeng.util.ConfigManager;
 import appeng.util.IConfigManagerHost;
-import appeng.util.Platform;

 public class MEMonitorableContainer extends AEBaseContainer
        implements IConfigManagerHost, IConfigurableObject, IMEMonitorHandlerReceiver<IAEItemStack> {
@@ -101,6 +102,13 @@ public class MEMonitorableContainer extends AEBaseContainer
    public boolean canAccessViewCells = false;
    @GuiSync(98)
    public boolean hasPower = false;
+    /**
+     * The number of active crafting jobs in the network. -1 means unknown and will
+     * hide the label on the screen.
+     */
+    @GuiSync(100)
+    public int activeCraftingJobs = -1;
+
    private IConfigManagerHost gui;
    private IConfigManager serverCM;
    private IGridNode networkNode;
@@ -122,7 +130,7 @@ public class MEMonitorableContainer extends AEBaseContainer
        this.clientCM.registerSetting(Settings.VIEW_MODE, ViewItems.ALL);
        this.clientCM.registerSetting(Settings.SORT_DIRECTION, SortDir.ASCENDING);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.serverCM = monitorable.getConfigManager();

            this.monitor = monitorable
@@ -183,12 +191,14 @@ public class MEMonitorableContainer extends AEBaseContainer

    @Override
    public void sendContentUpdates() {
-        if (Platform.isServer()) {
+        if (isServer()) {
            if (this.monitor != this.host
                    .getInventory(Api.instance().storage().getStorageChannel(IItemStorageChannel.class))) {
                this.setValidContainer(false);
            }

+            this.updateActiveCraftingJobs();
+
            for (final Settings set : this.serverCM.getSettings()) {
                final Enum<?> sideLocal = this.serverCM.getSetting(set);
                final Enum<?> sideRemote = this.clientCM.getSetting(set);
@@ -286,8 +296,38 @@ public class MEMonitorableContainer extends AEBaseContainer
        this.queueInventory(c);
    }

+    private void updateActiveCraftingJobs() {
+        IGridNode hostNode = networkNode;
+        if (hostNode == null) {
+            // Wireless terminals do not directly expose the target grid (even though they
+            // have one)
+            if (host instanceof IActionHost) {
+                hostNode = ((IActionHost) host).getActionableNode();
+            }
+        }
+        IGrid grid = null;
+        if (hostNode != null) {
+            grid = hostNode.getGrid();
+        }
+
+        if (grid == null) {
+            // No grid to query crafting jobs from
+            this.activeCraftingJobs = -1;
+            return;
+        }
+
+        int activeJobs = 0;
+        ICraftingGrid craftingGrid = grid.getCache(ICraftingGrid.class);
+        for (ICraftingCPU cpus : craftingGrid.getCpus()) {
+            if (cpus.isBusy()) {
+                activeJobs++;
+            }
+        }
+        this.activeCraftingJobs = activeJobs;
+    }
+
    private void queueInventory(final ScreenHandlerListener c) {
-        if (Platform.isServer() && c instanceof PlayerEntity && this.monitor != null) {
+        if (isServer() && c instanceof PlayerEntity && this.monitor != null) {
            try {
                MEInventoryUpdatePacket piu = new MEInventoryUpdatePacket();
                final IItemList<IAEItemStack> monitorCache = this.monitor.getStorageList();
@@ -356,7 +396,7 @@ public class MEMonitorableContainer extends AEBaseContainer

    @Override
    public IConfigManager getConfigManager() {
-        if (Platform.isServer()) {
+        if (isServer()) {
            return this.serverCM;
        }
        return this.clientCM;
@@ -42,7 +42,6 @@ import appeng.container.slot.RestrictedInputSlot;
 import appeng.core.Api;
 import appeng.items.misc.EncodedPatternItem;
 import appeng.tile.crafting.MolecularAssemblerBlockEntity;
-import appeng.util.Platform;

 public class MolecularAssemblerContainer extends UpgradeableContainer implements IProgressProvider {

@@ -148,7 +147,7 @@ public class MolecularAssemblerContainer extends UpgradeableContainer implements
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.setRedStoneMode(
                    (RedstoneMode) this.getUpgradeable().getConfigManager().getSetting(Settings.REDSTONE_CONTROLLED));
        }
@@ -43,7 +43,6 @@ import appeng.container.guisync.GuiSync;
 import appeng.core.Api;
 import appeng.core.sync.network.NetworkHandler;
 import appeng.core.sync.packets.MEInventoryUpdatePacket;
-import appeng.util.Platform;
 import appeng.util.item.AEItemStack;

 public class NetworkStatusContainer extends AEBaseContainer {
@@ -83,7 +82,7 @@ public class NetworkStatusContainer extends AEBaseContainer {
            }
        }

-        if (this.network == null && Platform.isServer()) {
+        if (this.network == null && isServer()) {
            this.setValidContainer(false);
        }
    }
@@ -100,7 +99,7 @@ public class NetworkStatusContainer extends AEBaseContainer {
    @Override
    public void sendContentUpdates() {
        this.delay++;
-        if (Platform.isServer() && this.delay > 15 && this.network != null) {
+        if (isServer() && this.delay > 15 && this.network != null) {
            this.delay = 0;

            final IEnergyGrid eg = this.network.getCache(IEnergyGrid.class);
@@ -297,9 +297,9 @@ public class PatternTermContainer extends MEMonitorableContainer
    @Override
    public boolean isSlotEnabled(final int idx) {
        if (idx == 1) {
-            return Platform.isServer() ? !this.getPatternTerminal().isCraftingRecipe() : !this.isCraftingMode();
+            return isServer() ? !this.getPatternTerminal().isCraftingRecipe() : !this.isCraftingMode();
        } else if (idx == 2) {
-            return Platform.isServer() ? this.getPatternTerminal().isCraftingRecipe() : this.isCraftingMode();
+            return isServer() ? this.getPatternTerminal().isCraftingRecipe() : this.isCraftingMode();
        } else {
            return false;
        }
@@ -401,7 +401,7 @@ public class PatternTermContainer extends MEMonitorableContainer
    @Override
    public void sendContentUpdates() {
        super.sendContentUpdates();
-        if (Platform.isServer()) {
+        if (isServer()) {
            if (this.isCraftingMode() != this.getPatternTerminal().isCraftingRecipe()) {
                this.setCraftingMode(this.getPatternTerminal().isCraftingRecipe());
                this.updateOrderOfOutputSlots();
@@ -423,7 +423,7 @@ public class PatternTermContainer extends MEMonitorableContainer

    @Override
    public void onSlotChange(final Slot s) {
-        if (s == this.patternSlotOUT && Platform.isServer()) {
+        if (s == this.patternSlotOUT && isServer()) {
            for (final ScreenHandlerListener listener : this.getListeners()) {
                for (int i = 0; i < this.slots.size(); i++) {
                    Slot slot = this.slots.get(i);
@@ -438,7 +438,7 @@ public class PatternTermContainer extends MEMonitorableContainer
            this.sendContentUpdates();
        }

-        if (s == this.craftSlot && Platform.isClient()) {
+        if (s == this.craftSlot && isClient()) {
            this.getAndUpdateOutput();
        }
    }
@@ -18,8 +18,6 @@

 package appeng.container.implementations;

-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
@@ -28,12 +26,11 @@ import net.minecraft.screen.ScreenHandlerType;

 import appeng.api.config.SecurityPermissions;
 import appeng.api.parts.IPart;
-import appeng.client.gui.implementations.NumberEntryWidget;
 import appeng.container.AEBaseContainer;
 import appeng.container.ContainerLocator;
-import appeng.container.guisync.GuiSync;
+import appeng.core.sync.network.NetworkHandler;
+import appeng.core.sync.packets.ConfigValuePacket;
 import appeng.helpers.IPriorityHost;
-import appeng.util.Platform;

 public class PriorityContainer extends AEBaseContainer {

@@ -43,59 +40,53 @@ public class PriorityContainer extends AEBaseContainer {
            PriorityContainer::new, IPriorityHost.class, SecurityPermissions.BUILD);

    public static PriorityContainer fromNetwork(int windowId, PlayerInventory inv, PacketByteBuf buf) {
-        return helper.fromNetwork(windowId, inv, buf);
+        return helper.fromNetwork(windowId, inv, buf, (host, container, buffer) -> {
+            container.priorityValue = buffer.readVarInt();
+        });
    }

    public static boolean open(PlayerEntity player, ContainerLocator locator) {
-        return helper.open(player, locator);
+        return helper.open(player, locator, (host, buffer) -> buffer.writeVarInt(host.getPriority()));
    }

    private final IPriorityHost priHost;

-    @Environment(EnvType.CLIENT)
-    private NumberEntryWidget textField;
-    @GuiSync(2)
-    public long PriorityValue = -1;
+    private int priorityValue;

    public PriorityContainer(int id, final PlayerInventory ip, final IPriorityHost te) {
        super(TYPE, id, ip, (BlockEntity) (te instanceof BlockEntity ? te : null),
                (IPart) (te instanceof IPart ? te : null));
        this.priHost = te;
+        this.priorityValue = te.getPriority();
    }

-    @Environment(EnvType.CLIENT)
-    public void setTextField(final NumberEntryWidget level) {
-        this.textField = level;
-        this.textField.setValue(this.PriorityValue, true);
-    }
-
-    public void setPriority(final int newValue, final PlayerEntity player) {
-        this.priHost.setPriority(newValue);
-        this.PriorityValue = newValue;
+    public void setPriority(final int newValue) {
+        if (newValue != priorityValue) {
+            if (isClient()) {
+                // If for whatever reason the client enters the value first, do not update based
+                // on incoming server data
+                this.priorityValue = newValue;
+                NetworkHandler.instance()
+                        .sendToServer(new ConfigValuePacket("PriorityHost.Priority", String.valueOf(newValue)));
+            } else {
+                this.priHost.setPriority(newValue);
+                this.priorityValue = newValue;
+            }
+        }
    }

    @Override
    public void sendContentUpdates() {
        super.sendContentUpdates();
        this.verifyPermissions(SecurityPermissions.BUILD, false);
-
-        if (Platform.isServer()) {
-            this.PriorityValue = this.priHost.getPriority();
-        }
    }

-    @Override
-    public void onUpdate(final String field, final Object oldValue, final Object newValue) {
-        if (field.equals("PriorityValue")) {
-            if (this.textField != null) {
-                this.textField.setValue(this.PriorityValue, true);
-            }
-        }
-
-        super.onUpdate(field, oldValue, newValue);
+    public int getPriorityValue() {
+        return priorityValue;
    }

    public IPriorityHost getPriorityHost() {
        return this.priHost;
    }
+
 }
@@ -37,7 +37,6 @@ import appeng.core.Api;
 import appeng.items.contents.QuartzKnifeObj;
 import appeng.items.materials.MaterialItem;
 import appeng.tile.inventory.AppEngInternalInventory;
-import appeng.util.Platform;

 public class QuartzKnifeContainer extends AEBaseContainer {

@@ -142,10 +141,12 @@ public class QuartzKnifeContainer extends AEBaseContainer {
        }

        private void makePlate() {
-            if (Platform.isServer()) {
-                if (!this.takeStack(1).isEmpty()) {
+            if (isServer()) {
+                if (!inSlot.getSlot(0).extract(1).isEmpty()) {
                    final ItemStack item = QuartzKnifeContainer.this.toolInv.getItemStack();
                    final ItemStack before = item.copy();
+                    // FIXME FABRIC: Quartz Knife currently is not damageable due to recipe
+                    // remainder concerns
                    item.damage(1, QuartzKnifeContainer.this.getPlayerInv().player, p -> {
                        QuartzKnifeContainer.this.getPlayerInv()
                                .setStack(QuartzKnifeContainer.this.getPlayerInv().selectedSlot, ItemStack.EMPTY);
@@ -35,7 +35,6 @@ import appeng.container.guisync.GuiSync;
 import appeng.container.slot.OutputSlot;
 import appeng.container.slot.RestrictedInputSlot;
 import appeng.tile.spatial.SpatialIOPortBlockEntity;
-import appeng.util.Platform;

 public class SpatialIOPortContainer extends AEBaseContainer {

@@ -65,7 +64,7 @@ public class SpatialIOPortContainer extends AEBaseContainer {
    public SpatialIOPortContainer(int id, final PlayerInventory ip, final SpatialIOPortBlockEntity spatialIOPort) {
        super(TYPE, id, ip, spatialIOPort, null);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.network = spatialIOPort.getGridNode(AEPartLocation.INTERNAL).getGrid();
        }

@@ -89,7 +88,7 @@ public class SpatialIOPortContainer extends AEBaseContainer {
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.delay++;
            if (this.delay > 15 && this.network != null) {
                this.delay = 0;
@@ -45,7 +45,6 @@ import appeng.container.slot.OptionalTypeOnlyFakeSlot;
 import appeng.container.slot.RestrictedInputSlot;
 import appeng.core.Api;
 import appeng.parts.misc.StorageBusPart;
-import appeng.util.Platform;
 import appeng.util.helpers.ItemHandlerUtil;
 import appeng.util.iterators.NullIterator;

@@ -125,7 +124,7 @@ public class StorageBusContainer extends UpgradeableContainer {
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
+        if (isServer()) {
            this.setFuzzyMode((FuzzyMode) this.getUpgradeable().getConfigManager().getSetting(Settings.FUZZY_MODE));
            this.setReadWriteMode(
                    (AccessRestriction) this.getUpgradeable().getConfigManager().getSetting(Settings.ACCESS));
@@ -52,7 +52,6 @@ import appeng.container.slot.RestrictedInputSlot;
 import appeng.items.contents.NetworkToolViewer;
 import appeng.items.tools.NetworkToolItem;
 import appeng.parts.automation.ExportBusPart;
-import appeng.util.Platform;

 public class UpgradeableContainer extends AEBaseContainer implements IOptionalSlotHost {

@@ -200,7 +199,7 @@ public class UpgradeableContainer extends AEBaseContainer implements IOptionalSl
    public void sendContentUpdates() {
        this.verifyPermissions(SecurityPermissions.BUILD, false);

-        if (Platform.isServer()) {
+        if (isServer()) {
            final IConfigManager cm = this.getUpgradeable().getConfigManager();
            this.loadSettingsFromHost(cm);
        }
@@ -29,7 +29,6 @@ import appeng.container.guisync.GuiSync;
 import appeng.container.interfaces.IProgressProvider;
 import appeng.container.slot.RestrictedInputSlot;
 import appeng.tile.misc.VibrationChamberBlockEntity;
-import appeng.util.Platform;

 public class VibrationChamberContainer extends AEBaseContainer implements IProgressProvider {

@@ -65,7 +64,7 @@ public class VibrationChamberContainer extends AEBaseContainer implements IProgr

    @Override
    public void sendContentUpdates() {
-        if (Platform.isServer()) {
+        if (isServer()) {
            this.remainingBurnTime = this.vibrationChamber.getMaxBurnTime() <= 0 ? 0
                    : (int) (100.0 * this.vibrationChamber.getBurnTime() / this.vibrationChamber.getMaxBurnTime());
            this.burnSpeed = this.remainingBurnTime <= 0 ? 0 : this.vibrationChamber.getBurnSpeed();
@@ -28,7 +28,6 @@ import appeng.container.ContainerLocator;
 import appeng.core.AEConfig;
 import appeng.core.localization.PlayerMessages;
 import appeng.helpers.WirelessTerminalGuiObject;
-import appeng.util.Platform;

 public class WirelessTermContainer extends MEPortableCellContainer {

@@ -57,7 +56,7 @@ public class WirelessTermContainer extends MEPortableCellContainer {
        super.sendContentUpdates();

        if (!this.wirelessTerminalGUIObject.rangeCheck()) {
-            if (Platform.isServer() && this.isValidContainer()) {
+            if (isServer() && this.isValidContainer()) {
                this.getPlayerInv().player.sendSystemMessage(PlayerMessages.OutOfRange.get(), Util.NIL_UUID);
            }

@@ -25,14 +25,14 @@ import java.util.Collection;
 import java.util.EnumMap;
 import java.util.EnumSet;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.function.DoubleSupplier;
 import java.util.stream.Collectors;

-import net.minecraft.world.dimension.DimensionType;
+import javax.annotation.Nullable;
+
+import com.google.common.base.Strings;

 import appeng.api.config.CondenserOutput;
 import appeng.api.config.PowerMultiplier;
@@ -50,6 +50,7 @@ import appeng.core.config.DoubleOption;
 import appeng.core.config.EnumOption;
 import appeng.core.config.IntegerOption;
 import appeng.core.config.StringListOption;
+import appeng.core.config.StringOption;
 import appeng.core.settings.TickRates;
 import appeng.util.EnumCycler;

@@ -81,6 +82,13 @@ public final class AEConfig {
            result.save(); // Save a default file
        } else {
            result.load();
+
+            // Re-save immediately to write-out new defaults
+            try {
+                result.save();
+            } catch (Exception e) {
+                AELog.warn(e);
+            }
        }
        return result;
    }
@@ -137,7 +145,6 @@ public final class AEConfig {

    // Meteors
    private int meteoriteMaximumSpawnHeight;
-    private Set<String> meteoriteDimensionWhitelist;

    // Wireless
    private double wirelessBaseCost;
@@ -175,7 +182,6 @@ public final class AEConfig {
        this.oreDoublePercentage = (float) commonConfig.oreDoublePercentage.get();

        this.meteoriteMaximumSpawnHeight = commonConfig.meteoriteMaximumSpawnHeight.get();
-        this.meteoriteDimensionWhitelist = new HashSet<>(commonConfig.meteoriteDimensionWhitelist.get());

        this.wirelessBaseCost = commonConfig.wirelessBaseCost.get();
        this.wirelessCostMultiplier = commonConfig.wirelessCostMultiplier.get();
@@ -389,8 +395,21 @@ public final class AEConfig {
        return this.meteoriteMaximumSpawnHeight;
    }

-    public Set<String> getMeteoriteDimensionWhitelist() {
-        return this.meteoriteDimensionWhitelist;
+    public List<String> getMeteoriteBiomeBlacklist() {
+        return commonConfig.meteoriteBiomeBlacklist.get();
+    }
+
+    public List<String> getQuartzOreBiomeBlacklist() {
+        return commonConfig.quartzOreBiomeBlacklist.get();
+    }
+
+    @Nullable
+    public String getImprovedFluidTag() {
+        return Strings.emptyToNull(commonConfig.improvedFluidTag.get());
+    }
+
+    public float getImprovedFluidMultiplier() {
+        return (float) commonConfig.improvedFluidMultiplier.get();
    }

    // Setters keep visibility as low as possible.
@@ -478,10 +497,11 @@ public final class AEConfig {
        public final DoubleOption spawnChargedChance;
        public final IntegerOption quartzOresPerCluster;
        public final IntegerOption quartzOresClusterAmount;
+        public final StringListOption quartzOreBiomeBlacklist;

        // Meteors
        public final IntegerOption meteoriteMaximumSpawnHeight;
-        public final StringListOption meteoriteDimensionWhitelist;
+        public final StringListOption meteoriteBiomeBlacklist;

        // Wireless
        public final DoubleOption wirelessBaseCost;
@@ -504,6 +524,11 @@ public final class AEConfig {
        public final IntegerOption condenserMatterBallsPower;
        public final IntegerOption condenserSingularityPower;

+        // In-World Purification
+        // Settings for improved speed depending on fluid the crystal is in
+        public final StringOption improvedFluidTag;
+        public final DoubleOption improvedFluidMultiplier;
+
        public final Map<TickRates, IntegerOption> tickRateMin = new HashMap<>();
        public final Map<TickRates, IntegerOption> tickRateMax = new HashMap<>();

@@ -562,13 +587,13 @@ public final class AEConfig {

            this.spawnChargedChance = worldGen.addDouble("spawnChargedChance", 0.08, 0.0, 1.0);
            this.meteoriteMaximumSpawnHeight = worldGen.addInt("meteoriteMaximumSpawnHeight", 180);
-            List<String> defaultDimensionWhitelist = new ArrayList<>();
-            defaultDimensionWhitelist.add(DimensionType.OVERWORLD_REGISTRY_KEY.getValue().toString());
-            this.meteoriteDimensionWhitelist = worldGen.addStringList("meteoriteDimensionWhitelist",
-                    defaultDimensionWhitelist);
+            this.meteoriteBiomeBlacklist = worldGen.addStringList("meteoriteBiomeBlacklist", new ArrayList<>(),
+                    "Biome IDs in which meteorites should NOT be generated (i.e. minecraft:plains).");

            this.quartzOresPerCluster = worldGen.addInt("quartzOresPerCluster", 4);
            this.quartzOresClusterAmount = worldGen.addInt("quartzOresClusterAmount", 20);
+            this.quartzOreBiomeBlacklist = worldGen.addStringList("quartzOreBiomeBlacklist", new ArrayList<>(),
+                    "Biome IDs in which quartz ores should NOT be generated (i.e. minecraft:plains).");

            ConfigSection wireless = root.subsection("wireless");
            this.wirelessBaseCost = wireless.addDouble("wirelessBaseCost", 8.0);
@@ -598,6 +623,14 @@ public final class AEConfig {
                tickRateMin.put(tickRate, tickrates.addInt(tickRate.name() + "Min", tickRate.getDefaultMin()));
                tickRateMax.put(tickRate, tickrates.addInt(tickRate.name() + "Max", tickRate.getDefaultMax()));
            }
+
+            ConfigSection inWorldPurification = root.subsection("inWorldPurification",
+                    "Settings for in-world purification of crystals.");
+
+            improvedFluidTag = inWorldPurification.addString("improvedFluidTag", "",
+                    "A fluid tag that identifies fluids that improve crystal purification speed. Does not affect purification with water/lava.");
+            improvedFluidMultiplier = inWorldPurification.addDouble("improvedFluidMultiplier", 2.0, 1.0, 10.0,
+                    "The speed multiplier to use when the crystals are submerged in the improved fluid.");
        }

    }
@@ -30,14 +30,8 @@ import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.screen.ScreenHandlerType;
-import net.minecraft.util.Identifier;
 import net.minecraft.util.registry.Registry;
 import net.minecraft.world.World;
-import net.minecraft.world.dimension.DimensionType;
-
-import team.reborn.energy.Energy;
-import team.reborn.energy.EnergyHandler;
-import team.reborn.energy.EnergyHolder;

 import appeng.api.config.Upgrades;
 import appeng.api.definitions.IBlocks;
@@ -45,8 +39,6 @@ import appeng.api.definitions.IItems;
 import appeng.api.definitions.IParts;
 import appeng.api.features.IRegistryContainer;
 import appeng.api.features.IWirelessTermHandler;
-import appeng.api.features.IWorldGen;
-import appeng.api.implementations.items.IAEItemPowerStorage;
 import appeng.api.movable.IMovableRegistry;
 import appeng.api.networking.IGridCacheRegistry;
 import appeng.api.networking.crafting.ICraftingGrid;
@@ -57,7 +49,6 @@ import appeng.api.networking.spatial.ISpatialCache;
 import appeng.api.networking.storage.IStorageGrid;
 import appeng.api.networking.ticking.ITickManager;
 import appeng.api.parts.CableRenderMode;
-import appeng.block.AEBaseBlockItemChargeable;
 import appeng.bootstrap.IBootstrapComponent;
 import appeng.bootstrap.components.ITileEntityRegistrationComponent;
 import appeng.client.render.effects.ParticleTypes;
@@ -351,21 +342,6 @@ public abstract class AppEngBase implements AppEng {
         */
        mr.whiteListBlockEntity(AEBaseBlockEntity.class);

-        /*
-         * world gen
-         */
-        for (final IWorldGen.WorldGenType type : IWorldGen.WorldGenType.values()) {
-            // FIXME: registries.worldgen().disableWorldGenForProviderID( type,
-            // StorageWorldProvider.class );
-
-            registries.worldgen().disableWorldGenForDimension(type, DimensionType.THE_NETHER_REGISTRY_KEY.getValue());
-        }
-
-        // whitelist from config
-        for (final String dimension : AEConfig.instance().getMeteoriteDimensionWhitelist()) {
-            registries.worldgen().enableWorldGenForDimension(IWorldGen.WorldGenType.METEORITES,
-                    new Identifier(dimension));
-        }
    }

    protected void registerParticleTypes() {
@@ -1,9 +1,16 @@
 package appeng.core;

+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import net.fabricmc.fabric.api.event.registry.RegistryEntryAddedCallback;
 import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.block.BlockState;
+import net.minecraft.util.Identifier;
 import net.minecraft.util.registry.BuiltinRegistries;
 import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.RegistryKey;
 import net.minecraft.world.biome.Biome;
 import net.minecraft.world.gen.GenerationStep;
 import net.minecraft.world.gen.decorator.Decorator;
@@ -54,11 +61,21 @@ public final class AppEngBootstrap {
        ConfiguredFeature<?, ?> quartzOreFeature = registerQuartzOreFeature();
        ConfiguredFeature<?, ?> chargedQuartzOreFeature = registerChargedQuartzOreFeature();

-        // add to all standard biomes
-        // TODO: This means we'll not add these things to newly created biomes
-        BuiltinRegistries.BIOME.forEach(b -> {
-            addMeteoriteWorldGen(b);
-            addQuartzWorldGen(b, quartzOreFeature, chargedQuartzOreFeature);
+        Set<String> meteoriteBiomeBlacklist = new HashSet<>(AEConfig.instance().getMeteoriteBiomeBlacklist());
+        Set<String> quartzOreBiomeBlacklist = new HashSet<>(AEConfig.instance().getQuartzOreBiomeBlacklist());
+
+        // Add features to all existing biomes
+        for (Map.Entry<RegistryKey<Biome>, Biome> entry : BuiltinRegistries.BIOME.getEntries()) {
+            Identifier id = entry.getKey().getValue();
+            Biome b = entry.getValue();
+            addMeteoriteWorldGen(id, b, meteoriteBiomeBlacklist);
+            addQuartzWorldGen(id, b, quartzOreFeature, chargedQuartzOreFeature, quartzOreBiomeBlacklist);
+        }
+
+        // Listen to added biomes for post-processing
+        RegistryEntryAddedCallback.event(BuiltinRegistries.BIOME).register((i, id, biome) -> {
+            addMeteoriteWorldGen(id, biome, meteoriteBiomeBlacklist);
+            addQuartzWorldGen(id, biome, quartzOreFeature, chargedQuartzOreFeature, quartzOreBiomeBlacklist);
        });

        registerDimension();
@@ -78,12 +95,19 @@ public final class AppEngBootstrap {
                MeteoriteStructure.CONFIGURED_INSTANCE);
    }

-    private static void addMeteoriteWorldGen(Biome b) {
+    private static void addMeteoriteWorldGen(Identifier id, Biome b, Set<String> biomeBlacklist) {
        if (!AEConfig.instance().isFeatureEnabled(AEFeature.METEORITE_WORLD_GEN)) {
+            AELog.debug("Not generating meteorites in %s because the feature is disabled", id);
            return;
        }

        if (b.getCategory() == Biome.Category.THEEND || b.getCategory() == Biome.Category.NETHER) {
+            AELog.debug("Not generating meteorites in %s because it's of category %s", id, b.getCategory());
+            return;
+        }
+
+        if (biomeBlacklist.contains(id.toString())) {
+            AELog.debug("Not generating meteorites in %s because the biome is blacklisted in the config", id);
            return;
        }

@@ -91,14 +115,24 @@ public final class AppEngBootstrap {
        modifier.addStructureFeature(MeteoriteStructure.CONFIGURED_INSTANCE);
    }

-    private static void addQuartzWorldGen(Biome b, ConfiguredFeature<?, ?> quartzOre,
-            ConfiguredFeature<?, ?> chargedQuartz) {
+    private static void addQuartzWorldGen(Identifier id, Biome b, ConfiguredFeature<?, ?> quartzOre,
+            ConfiguredFeature<?, ?> chargedQuartz, Set<String> biomeBlacklist) {
        if (!AEConfig.instance().isFeatureEnabled(AEFeature.CERTUS_QUARTZ_WORLD_GEN)) {
+            AELog.debug("Not generating quartz-ore in %s because the feature is disabled", id);
+            return;
+        }
+
+        if (b.getCategory() == Biome.Category.THEEND || b.getCategory() == Biome.Category.NETHER) {
+            AELog.debug("Not generating quartz ore in %s because it's of category %s", id, b.getCategory());
+            return;
+        }
+
+        if (biomeBlacklist.contains(id.toString())) {
+            AELog.debug("Not generating quartz-ore in %s because the biome is blacklisted in the config", id);
            return;
        }

        BiomeModifier modifier = new BiomeModifier(b);
-
        modifier.addFeature(GenerationStep.Feature.UNDERGROUND_ORES, quartzOre);

        if (AEConfig.instance().isFeatureEnabled(AEFeature.CHARGED_CERTUS_ORE)) {
@@ -30,6 +30,7 @@ import net.minecraft.block.Material;
 import net.minecraft.block.SlabBlock;
 import net.minecraft.client.render.RenderLayer;
 import net.minecraft.entity.EntityDimensions;
+import net.minecraft.entity.EntityType;
 import net.minecraft.entity.SpawnGroup;
 import net.minecraft.sound.BlockSoundGroup;

@@ -267,17 +268,19 @@ public final class ApiBlocks implements IBlocks {
        this.chiseledQuartzBlock = deco.block("chiseled_quartz_block", () -> new AEDecorativeBlock(QUARTZ_PROPERTIES))
                .build();

-        this.quartzGlass = registry.features(AEFeature.QUARTZ_GLASS)
-                .block("quartz_glass", () -> new QuartzGlassBlock(glassProps()))
-                .rendering(new BlockRenderingCustomizer() {
-                    @Override
-                    @Environment(EnvType.CLIENT)
-                    public void customize(IBlockRendering rendering, IItemRendering itemRendering) {
-                        rendering.renderType(RenderLayer.getCutout());
-                    }
-                }).build();
+        AbstractBlock.TypedContextPredicate<EntityType<?>> neverAllowSpawn = (p1, p2, p3, p4) -> false;
+        this.quartzGlass = registry.features(AEFeature.QUARTZ_GLASS).block("quartz_glass", () -> {
+            return new QuartzGlassBlock(glassProps().allowsSpawning(neverAllowSpawn));
+        }).rendering(new BlockRenderingCustomizer() {
+            @Override
+            @Environment(EnvType.CLIENT)
+            public void customize(IBlockRendering rendering, IItemRendering itemRendering) {
+                rendering.renderType(RenderLayer.getCutout());
+            }
+        }).build();
        this.quartzVibrantGlass = deco
-                .block("quartz_vibrant_glass", () -> new QuartzLampBlock(glassProps().lightLevel(15)))
+                .block("quartz_vibrant_glass",
+                        () -> new QuartzLampBlock(glassProps().lightLevel(15).allowsSpawning(neverAllowSpawn)))
                .addFeatures(AEFeature.DECORATIVE_LIGHTS, AEFeature.QUARTZ_GLASS)
                .rendering(new BlockRenderingCustomizer() {
                    @Override
@@ -318,7 +318,7 @@ public final class ApiItems implements IItems {

        GrowingCrystalEntity.TYPE = registry
                .<GrowingCrystalEntity>entity("growing_crystal", GrowingCrystalEntity::new, SpawnGroup.MISC)
-                .customize(builder -> builder.dimensions(EntityDimensions.fixed(0.25F, 0.25F))).build();
+                .customize(builder -> builder.dimensions(EntityDimensions.fixed(0.25F, 0.4F))).build();

        // rv1
        this.encodedPattern = registry.item("encoded_pattern", EncodedPatternItem::new)
@@ -58,6 +58,14 @@ public class ConfigSection {
        return option;
    }

+    public StringOption addString(String id, String defaultValue) {
+        return addString(id, defaultValue, comment);
+    }
+
+    public StringOption addString(String id, String defaultValue, String comment) {
+        return addOption(new StringOption(this, id, comment, defaultValue));
+    }
+
    public IntegerOption addInt(String id, int defaultValue) {
        return addInt(id, defaultValue, comment);
    }
@@ -0,0 +1,63 @@
+package appeng.core.config;
+
+import com.google.common.base.Preconditions;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+
+public class StringOption extends BaseOption {
+
+    private final String defaultValue;
+    private String currentValue;
+
+    public StringOption(ConfigSection parent, String id, String comment, String defaultValue) {
+        super(parent, id, comment);
+        this.defaultValue = defaultValue;
+        this.currentValue = this.defaultValue;
+    }
+
+    public String get() {
+        return currentValue;
+    }
+
+    public void set(String value) {
+        Preconditions.checkNotNull(value);
+        if (value.equals(currentValue)) {
+            return;
+        }
+        currentValue = value;
+        parent.markDirty();
+    }
+
+    @Override
+    protected JsonElement write() {
+        return new JsonPrimitive(currentValue);
+    }
+
+    @Override
+    protected void read(JsonElement element) {
+        if (!element.isJsonPrimitive()) {
+            throw new ConfigValidationException(this, "Expected a JSON primitive: " + element);
+        }
+        JsonPrimitive primitive = element.getAsJsonPrimitive();
+        if (!primitive.isString()) {
+            throw new ConfigValidationException(this, "Expected a JSON string, but found: " + primitive);
+        }
+
+        this.currentValue = primitive.getAsString();
+    }
+
+    @Override
+    public boolean isDifferentFromDefault() {
+        return !currentValue.equals(defaultValue);
+    }
+
+    @Override
+    public String getDefaultAsString() {
+        return defaultValue;
+    }
+
+    @Override
+    public String getCurrentValueAsString() {
+        return currentValue;
+    }
+}
@@ -25,6 +25,7 @@ import appeng.api.events.LocatableEventAnnounce;
 import appeng.api.events.LocatableEventAnnounce.LocatableEvent;
 import appeng.api.features.ILocatable;
 import appeng.api.features.ILocatableRegistry;
+import appeng.core.AELog;
 import appeng.util.Platform;

 public final class LocatableRegistry implements ILocatableRegistry {
@@ -39,8 +40,10 @@ public final class LocatableRegistry implements ILocatableRegistry {
            }

            if (change == LocatableEvent.REGISTER) {
+                AELog.debug("Registering locatable %s: %s", target.getLocatableSerial(), target);
                this.set.put(target.getLocatableSerial(), target);
            } else if (change == LocatableEvent.UNREGISTER) {
+                AELog.debug("Unregistering locatable %s: %s", target.getLocatableSerial(), target);
                this.set.remove(target.getLocatableSerial());
            }
        });
@@ -25,7 +25,6 @@ import appeng.api.features.IP2PTunnelRegistry;
 import appeng.api.features.IPlayerRegistry;
 import appeng.api.features.IRegistryContainer;
 import appeng.api.features.IWirelessTermRegistry;
-import appeng.api.features.IWorldGen;
 import appeng.api.movable.IMovableRegistry;
 import appeng.api.networking.IGridCacheRegistry;
 import appeng.api.parts.IPartModels;
@@ -99,11 +98,6 @@ public class RegistryContainer implements IRegistryContainer {
        return this.playerRegistry;
    }

-    @Override
-    public IWorldGen worldgen() {
-        return WorldGenRegistry.INSTANCE;
-    }
-
    @Override
    public IPartModels partModels() {
        return this.partModels;
@@ -1,89 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-package appeng.core.features.registries;
-
-import java.util.HashSet;
-
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.util.Identifier;
-
-import appeng.api.features.IWorldGen;
-
-public final class WorldGenRegistry implements IWorldGen {
-
-    public static final WorldGenRegistry INSTANCE = new WorldGenRegistry();
-    private final TypeSet[] types;
-
-    private WorldGenRegistry() {
-
-        this.types = new TypeSet[WorldGenType.values().length];
-
-        for (final WorldGenType type : WorldGenType.values()) {
-            this.types[type.ordinal()] = new TypeSet();
-        }
-    }
-
-    @Override
-    public void enableWorldGenForDimension(final WorldGenType type, final Identifier dimensionID) {
-        if (type == null) {
-            throw new IllegalArgumentException("Bad Type Passed");
-        }
-
-        this.types[type.ordinal()].enabledDimensions.add(dimensionID);
-    }
-
-    @Override
-    public void disableWorldGenForDimension(final WorldGenType type, final Identifier dimensionID) {
-        if (type == null) {
-            throw new IllegalArgumentException("Bad Type Passed");
-        }
-
-        this.types[type.ordinal()].badDimensions.add(dimensionID);
-    }
-
-    @Override
-    public boolean isWorldGenEnabled(final WorldGenType type, final ServerWorld w) {
-        if (type == null) {
-            throw new IllegalArgumentException("Bad Type Passed");
-        }
-
-        if (w == null) {
-            throw new IllegalArgumentException("Bad Provider Passed");
-        }
-
-        Identifier id = w.getRegistryKey().getValue();
-        final boolean isBadDimension = this.types[type.ordinal()].badDimensions.contains(id);
-        final boolean isGoodDimension = this.types[type.ordinal()].enabledDimensions.contains(id);
-
-        if (isBadDimension) {
-            return false;
-        }
-
-        if (!isGoodDimension && type == WorldGenType.METEORITES) {
-            return false;
-        }
-
-        return true;
-    }
-
-    private static class TypeSet {
-        final HashSet<Identifier> badDimensions = new HashSet<>();
-        final HashSet<Identifier> enabledDimensions = new HashSet<>();
-    }
-}
@@ -34,7 +34,7 @@ import appeng.core.sync.network.INetworkInfo;
 public abstract class BasePacket {

    /**
-     * Sadly {@link PacketBuffer#readString()} gets inlined by Proguard which means
+     * Sadly {@link PacketByteBuf#readString()} gets inlined by Proguard which means
     * it's not available on the Server. This field has the default string length
     * that is used for writeString, which then also should be used for readString
     * when it has no special length requirements.
@@ -29,7 +29,6 @@ import appeng.core.sync.packets.BlockTransitionEffectPacket;
 import appeng.core.sync.packets.ClickPacket;
 import appeng.core.sync.packets.CompassRequestPacket;
 import appeng.core.sync.packets.CompassResponsePacket;
-import appeng.core.sync.packets.CompressedNBTPacket;
 import appeng.core.sync.packets.ConfigButtonPacket;
 import appeng.core.sync.packets.ConfigValuePacket;
 import appeng.core.sync.packets.CraftRequestPacket;
@@ -39,6 +38,7 @@ import appeng.core.sync.packets.ItemTransitionEffectPacket;
 import appeng.core.sync.packets.JEIRecipePacket;
 import appeng.core.sync.packets.LightningPacket;
 import appeng.core.sync.packets.MEFluidInventoryUpdatePacket;
+import appeng.core.sync.packets.MEInterfaceUpdatePacket;
 import appeng.core.sync.packets.MEInventoryUpdatePacket;
 import appeng.core.sync.packets.MatterCannonPacket;
 import appeng.core.sync.packets.PaintedEntityPacket;
@@ -99,7 +99,7 @@ public class BasePacketHandler {

        PACKET_ASSEMBLER_ANIMATION(AssemblerAnimationPacket.class, AssemblerAnimationPacket::new),

-        PACKET_COMPRESSED_NBT(CompressedNBTPacket.class, CompressedNBTPacket::new),
+        PACKET_ME_INTERFACE_UPDATE(MEInterfaceUpdatePacket.class, MEInterfaceUpdatePacket::new),

        PACKET_PAINTED_ENTITY(PaintedEntityPacket.class, PaintedEntityPacket::new),

@@ -37,7 +37,7 @@ import appeng.container.AEBaseContainer;
 import appeng.container.implementations.CellWorkbenchContainer;
 import appeng.container.implementations.CraftConfirmContainer;
 import appeng.container.implementations.CraftingCPUContainer;
-import appeng.container.implementations.CraftingStatusContainer;
+import appeng.container.implementations.CraftingCPUCyclingContainer;
 import appeng.container.implementations.LevelEmitterContainer;
 import appeng.container.implementations.NetworkToolContainer;
 import appeng.container.implementations.PatternTermContainer;
@@ -97,12 +97,9 @@ public class ConfigValuePacket extends BasePacket {
            final ItemStack is = player.getStackInHand(hand);
            final IMouseWheelItem si = (IMouseWheelItem) is.getItem();
            si.onWheel(is, this.Value.equals("WheelUp"));
-        } else if (this.Name.equals("Terminal.Cpu") && c instanceof CraftingStatusContainer) {
-            final CraftingStatusContainer qk = (CraftingStatusContainer) c;
-            qk.cycleCpu(this.Value.equals("Next"));
-        } else if (this.Name.equals("Terminal.Cpu") && c instanceof CraftConfirmContainer) {
-            final CraftConfirmContainer qk = (CraftConfirmContainer) c;
-            qk.cycleCpu(this.Value.equals("Next"));
+        } else if (this.Name.equals("Terminal.Cpu") && c instanceof CraftingCPUCyclingContainer) {
+            final CraftingCPUCyclingContainer qk = (CraftingCPUCyclingContainer) c;
+            qk.cycleSelectedCPU(this.Value.equals("Next"));
        } else if (this.Name.equals("Terminal.Start") && c instanceof CraftConfirmContainer) {
            final CraftConfirmContainer qk = (CraftConfirmContainer) c;
            qk.startJob();
@@ -117,13 +114,13 @@ public class ConfigValuePacket extends BasePacket {
            sc.toggleSetting(this.Value, player);
        } else if (this.Name.equals("PriorityHost.Priority") && c instanceof PriorityContainer) {
            final PriorityContainer pc = (PriorityContainer) c;
-            pc.setPriority(Integer.parseInt(this.Value), player);
+            pc.setPriority(Integer.parseInt(this.Value));
        } else if (this.Name.equals("LevelEmitter.Value") && c instanceof LevelEmitterContainer) {
            final LevelEmitterContainer lvc = (LevelEmitterContainer) c;
-            lvc.setLevel(Long.parseLong(this.Value), player);
+            lvc.setReportingValue(Long.parseLong(this.Value));
        } else if (this.Name.equals("FluidLevelEmitter.Value") && c instanceof FluidLevelEmitterContainer) {
            final FluidLevelEmitterContainer lvc = (FluidLevelEmitterContainer) c;
-            lvc.setLevel(Long.parseLong(this.Value), player);
+            lvc.setReportingValue(Long.parseLong(this.Value));
        } else if (this.Name.startsWith("PatternTerminal.") && c instanceof PatternTermContainer) {
            final PatternTermContainer cpt = (PatternTermContainer) c;
            if (this.Name.equals("PatternTerminal.CraftMode")) {
@@ -191,9 +188,7 @@ public class ConfigValuePacket extends BasePacket {
    public void clientPacketData(final INetworkInfo network, final PlayerEntity player) {
        final ScreenHandler c = player.currentScreenHandler;

-        if (this.Name.equals("CustomName") && c instanceof AEBaseContainer) {
-            ((AEBaseContainer) c).setCustomName(this.Value);
-        } else if (this.Name.startsWith("SyncDat.")) {
+        if (this.Name.startsWith("SyncDat.")) {
            ((AEBaseContainer) c).stringSync(Integer.parseInt(this.Name.substring(8)), this.Value);
        } else if (this.Name.equals("CraftingStatus") && this.Value.equals("Clear")) {
            final Screen gs = MinecraftClient.getInstance().currentScreen;
@@ -18,15 +18,27 @@

 package appeng.core.sync.packets;

+import java.util.Arrays;
+import java.util.stream.Stream;
+
+import javax.annotation.Nullable;
+
+import com.google.common.base.Preconditions;
+import com.mojang.datafixers.util.Pair;
+
 import io.netty.buffer.Unpooled;

 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
 import net.minecraft.network.PacketByteBuf;
+import net.minecraft.recipe.Ingredient;
+import net.minecraft.recipe.Recipe;
+import net.minecraft.recipe.RecipeSerializer;
+import net.minecraft.recipe.ShapedRecipe;
 import net.minecraft.screen.ScreenHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.collection.DefaultedList;

 import alexiil.mc.lib.attributes.item.FixedItemInv;

@@ -41,11 +53,14 @@ import appeng.api.networking.storage.IStorageGrid;
 import appeng.api.storage.IMEMonitor;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
+import appeng.container.implementations.PatternTermContainer;
 import appeng.core.Api;
 import appeng.core.sync.BasePacket;
+import appeng.core.sync.BasePacketHandler;
 import appeng.core.sync.network.INetworkInfo;
 import appeng.helpers.IContainerCraftingPacket;
 import appeng.items.storage.ViewCellItem;
+import appeng.mixins.IngredientAccessor;
 import appeng.util.Platform;
 import appeng.util.helpers.ItemHandlerUtil;
 import appeng.util.inv.AdaptorFixedInv;
@@ -55,151 +70,312 @@ import appeng.util.prioritylist.IPartitionList;

 public class JEIRecipePacket extends BasePacket {

-    private ItemStack[][] recipe;
+    /**
+     * Transmit only a recipe ID.
+     */
+    private static final int INLINE_RECIPE_NONE = 1;
+
+    /**
+     * Transmit the information about the recipe we actually need. This is
+     * explicitly limited since this is untrusted client->server info.
+     */
+    private static final int INLINE_RECIPE_SHAPED = 2;
+
+    private Identifier recipeId;
+    /**
+     * This is optional, in case the client already knows it could not resolve the
+     * recipe id.
+     */
+    @Nullable
+    private Recipe<?> recipe;
+    private boolean crafting;

    public JEIRecipePacket(final PacketByteBuf stream) {
-        final CompoundTag comp = stream.readCompoundTag();
-        if (comp != null) {
-            this.recipe = new ItemStack[9][];
-            for (int x = 0; x < this.recipe.length; x++) {
-                final ListTag list = comp.getList("#" + x, 10);
-                if (list.size() > 0) {
-                    this.recipe[x] = new ItemStack[list.size()];
-                    for (int y = 0; y < list.size(); y++) {
-                        this.recipe[x][y] = ItemStack.fromTag(list.getCompound(y));
-                    }
-                }
-            }
-        }
-    }
+        this.crafting = stream.readBoolean();
+        final String id = stream.readString(Short.MAX_VALUE);
+        this.recipeId = new Identifier(id);

-    // api
-    public JEIRecipePacket(final CompoundTag recipe) {
-        final PacketByteBuf data = new PacketByteBuf(Unpooled.buffer());
-
-        data.writeInt(this.getPacketID());
-
-        data.writeCompoundTag(recipe);
-
-        this.configureWrite(data);
-    }
-
-    @Override
-    public void serverPacketData(final INetworkInfo manager, final PlayerEntity player) {
-        final ServerPlayerEntity pmp = (ServerPlayerEntity) player;
-        final ScreenHandler con = pmp.currentScreenHandler;
-
-        if (!(con instanceof IContainerCraftingPacket)) {
-            return;
-        }
-
-        final IContainerCraftingPacket cct = (IContainerCraftingPacket) con;
-        final IGridNode node = cct.getNetworkNode();
-
-        if (node == null) {
-            return;
-        }
-
-        final IGrid grid = node.getGrid();
-        if (grid == null) {
-            return;
-        }
-
-        final IStorageGrid inv = grid.getCache(IStorageGrid.class);
-        final IEnergyGrid energy = grid.getCache(IEnergyGrid.class);
-        final ISecurityGrid security = grid.getCache(ISecurityGrid.class);
-        final ICraftingGrid crafting = grid.getCache(ICraftingGrid.class);
-        final FixedItemInv craftMatrix = cct.getInventoryByName("crafting");
-        final FixedItemInv playerInventory = cct.getInventoryByName("player");
-
-        if (inv != null && this.recipe != null && security != null) {
-            final IMEMonitor<IAEItemStack> storage = inv
-                    .getInventory(Api.instance().storage().getStorageChannel(IItemStorageChannel.class));
-            final IPartitionList<IAEItemStack> filter = ViewCellItem.createFilter(cct.getViewCells());
-
-            for (int x = 0; x < craftMatrix.getSlotCount(); x++) {
-                ItemStack currentItem = craftMatrix.getInvStack(x);
-
-                // prepare slots
-                if (!currentItem.isEmpty()) {
-                    // already the correct item?
-                    ItemStack newItem = this.canUseInSlot(x, currentItem);
-
-                    // put away old item
-                    if (newItem != currentItem && security.hasPermission(player, SecurityPermissions.INJECT)) {
-                        final IAEItemStack in = AEItemStack.fromItemStack(currentItem);
-                        final IAEItemStack out = cct.useRealItems()
-                                ? Platform.poweredInsert(energy, storage, in, cct.getActionSource())
-                                : null;
-                        if (out != null) {
-                            currentItem = out.createItemStack();
-                        } else {
-                            currentItem = ItemStack.EMPTY;
-                        }
-                    }
-                }
-
-                if (currentItem.isEmpty() && this.recipe[x] != null) {
-                    // for each variant
-                    for (int y = 0; y < this.recipe[x].length && currentItem.isEmpty(); y++) {
-                        final IAEItemStack request = AEItemStack.fromItemStack(this.recipe[x][y]);
-                        if (request != null) {
-                            // try ae
-                            if ((filter == null || filter.isListed(request))
-                                    && security.hasPermission(player, SecurityPermissions.EXTRACT)) {
-                                request.setStackSize(1);
-                                IAEItemStack out;
-
-                                if (cct.useRealItems()) {
-                                    out = Platform.poweredExtraction(energy, storage, request, cct.getActionSource());
-                                } else {
-                                    // Query the crafting grid if there is a pattern providing the item
-                                    if (!crafting.getCraftingFor(request, null, 0, null).isEmpty()) {
-                                        out = request;
-                                    } else {
-                                        // Fall back using an existing item
-                                        out = storage.extractItems(request, Actionable.SIMULATE, cct.getActionSource());
-                                    }
-                                }
-
-                                if (out != null) {
-                                    currentItem = out.createItemStack();
-                                }
-                            }
-
-                            // try inventory
-                            if (currentItem.isEmpty()) {
-                                AdaptorFixedInv ad = new AdaptorFixedInv(playerInventory);
-
-                                if (cct.useRealItems()) {
-                                    currentItem = ad.removeItems(1, this.recipe[x][y], null);
-                                } else {
-                                    currentItem = ad.simulateRemove(1, this.recipe[x][y], null);
-                                }
-                            }
-                        }
-                    }
-                }
-                ItemHandlerUtil.setStackInSlot(craftMatrix, x, currentItem);
-            }
-            con.onContentChanged(new WrapperInvItemHandler(craftMatrix));
+        int inlineRecipeType = stream.readVarInt();
+        switch (inlineRecipeType) {
+            case INLINE_RECIPE_NONE:
+                break;
+            case INLINE_RECIPE_SHAPED:
+                recipe = RecipeSerializer.SHAPED.read(this.recipeId, stream);
+                break;
+            default:
+                throw new IllegalArgumentException("Invalid inline recipe type.");
        }
    }

    /**
-     * @param slot
-     * @param is   itemstack
-     * @return is if it can be used, else EMPTY
+     * Sends a recipe identified by the given recipe ID to the server for either
+     * filling a crafting grid or a pattern.
     */
-    private ItemStack canUseInSlot(int slot, ItemStack is) {
-        if (this.recipe[slot] != null) {
-            for (ItemStack option : this.recipe[slot]) {
-                if (is.isItemEqual(option)) {
-                    return is;
+    public JEIRecipePacket(final Identifier recipeId, final boolean crafting) {
+        PacketByteBuf data = createCommonHeader(recipeId, crafting, INLINE_RECIPE_NONE);
+        this.configureWrite(data);
+    }
+
+    /**
+     * Sends a recipe to the server for either filling a crafting grid or a pattern.
+     * <p>
+     * Prefer the id-based constructor above whereever possible.
+     */
+    public JEIRecipePacket(final ShapedRecipe recipe, final boolean crafting) {
+        PacketByteBuf data = createCommonHeader(recipe.getId(), crafting, INLINE_RECIPE_SHAPED);
+        RecipeSerializer.SHAPED.write(data, recipe);
+        this.configureWrite(data);
+    }
+
+    private PacketByteBuf createCommonHeader(Identifier recipeId, boolean crafting, int inlineRecipeType) {
+        final PacketByteBuf data = new PacketByteBuf(Unpooled.buffer());
+
+        data.writeInt(this.getPacketID());
+        data.writeBoolean(crafting);
+        data.writeIdentifier(recipeId);
+        data.writeVarInt(inlineRecipeType);
+
+        return data;
+    }
+
+    /**
+     * Servside handler for this packet.
+     * <p>
+     * Makes use of {@link Preconditions#checkArgument(boolean)} as the
+     * {@link BasePacketHandler} is catching them and in general these cases should
+     * never happen except in an error case and should be logged then.
+     */
+    @Override
+    public void serverPacketData(final INetworkInfo manager, final PlayerEntity player) {
+        // Setup and verification
+        final ServerPlayerEntity pmp = (ServerPlayerEntity) player;
+        final ScreenHandler con = pmp.currentScreenHandler;
+        Preconditions.checkArgument(con instanceof IContainerCraftingPacket);
+
+        Recipe<?> recipe = player.getEntityWorld().getRecipeManager().get(this.recipeId).orElse(null);
+        if (recipe == null && this.recipe != null) {
+            // Certain recipes (i.e. AE2 facades) are represented in JEI as ShapedRecipe's,
+            // while in reality they
+            // are special recipes. Those recipes are sent across the wire...
+            recipe = this.recipe;
+        }
+        Preconditions.checkArgument(recipe != null);
+
+        final IContainerCraftingPacket cct = (IContainerCraftingPacket) con;
+        final IGridNode node = cct.getNetworkNode();
+
+        Preconditions.checkArgument(node != null);
+
+        final IGrid grid = node.getGrid();
+        Preconditions.checkArgument(grid != null);
+
+        final IStorageGrid inv = grid.getCache(IStorageGrid.class);
+        Preconditions.checkArgument(inv != null);
+
+        final ISecurityGrid security = grid.getCache(ISecurityGrid.class);
+        Preconditions.checkArgument(security != null);
+
+        final IEnergyGrid energy = grid.getCache(IEnergyGrid.class);
+        final ICraftingGrid crafting = grid.getCache(ICraftingGrid.class);
+        final FixedItemInv craftMatrix = cct.getInventoryByName("crafting");
+        final FixedItemInv playerInventory = cct.getInventoryByName("player");
+
+        final IMEMonitor<IAEItemStack> storage = inv
+                .getInventory(Api.instance().storage().getStorageChannel(IItemStorageChannel.class));
+        final IPartitionList<IAEItemStack> filter = ViewCellItem.createFilter(cct.getViewCells());
+        final DefaultedList<Ingredient> ingredients = this.ensure3by3CraftingMatrix(recipe);
+
+        // Handle each slot
+        for (int x = 0; x < craftMatrix.getSlotCount(); x++) {
+            ItemStack currentItem = craftMatrix.getInvStack(x);
+            Ingredient ingredient = ingredients.get(x);
+
+            // prepare slots
+            if (!currentItem.isEmpty()) {
+                // already the correct item? True, skip everything else
+                ItemStack newItem = this.canUseInSlot(ingredient, currentItem);
+
+                // put away old item, if not correct
+                if (newItem != currentItem && security.hasPermission(player, SecurityPermissions.INJECT)) {
+                    final IAEItemStack in = AEItemStack.fromItemStack(currentItem);
+                    final IAEItemStack out = cct.useRealItems()
+                            ? Platform.poweredInsert(energy, storage, in, cct.getActionSource())
+                            : null;
+                    if (out != null) {
+                        currentItem = out.createItemStack();
+                    } else {
+                        currentItem = ItemStack.EMPTY;
+                    }
+                }
+            }
+
+            // Find item or pattern from the network
+            if (currentItem.isEmpty() && security.hasPermission(player, SecurityPermissions.EXTRACT)) {
+                IAEItemStack out;
+
+                if (cct.useRealItems()) {
+                    IAEItemStack request = findBestMatchingItemStack(ingredient, filter, storage, cct);
+                    out = request != null
+                            ? Platform.poweredExtraction(energy, storage, request.setStackSize(1),
+                                    cct.getActionSource())
+                            : null;
+                } else {
+                    out = findBestMatchingPattern(ingredient, filter, crafting, storage, cct);
+                    if (out == null) {
+                        out = findBestMatchingItemStack(ingredient, filter, storage, cct);
+                    }
+                    if (out == null && getMatchingStacks(ingredient).length > 0) {
+                        out = AEItemStack.fromItemStack(getMatchingStacks(ingredient)[0]);
+                    }
+                }
+
+                if (out != null) {
+                    currentItem = out.createItemStack();
+                }
+            }
+
+            // If still nothing, search the player inventory.
+            if (currentItem.isEmpty()) {
+                ItemStack[] matchingStacks = getMatchingStacks(ingredient);
+                for (ItemStack matchingStack : matchingStacks) {
+                    if (currentItem.isEmpty()) {
+                        AdaptorFixedInv ad = new AdaptorFixedInv(playerInventory);
+
+                        if (cct.useRealItems()) {
+                            currentItem = ad.removeItems(1, matchingStack, null);
+                        } else {
+                            currentItem = ad.simulateRemove(1, matchingStack, null);
+                        }
+                    }
+                }
+            }
+            ItemHandlerUtil.setStackInSlot(craftMatrix, x, currentItem);
+        }
+
+        if (!this.crafting) {
+            this.handleProcessing(con, cct, recipe);
+        }
+
+        con.onContentChanged(new WrapperInvItemHandler(craftMatrix));
+    }
+
+    @SuppressWarnings("ConstantConditions")
+    private static ItemStack[] getMatchingStacks(Ingredient ingredient) {
+        IngredientAccessor accessor = (IngredientAccessor) (Object) ingredient;
+        accessor.appeng_cacheMatchingStacks();
+        if (ingredient.isEmpty()) {
+            return new ItemStack[0];
+        }
+        ItemStack[] stacks = accessor.getMatchingStacks();
+        if (stacks.length == 1 && stacks[0].isEmpty()) {
+            return new ItemStack[0];
+        }
+        return stacks;
+    }
+
+    /**
+     * Expand any recipe to a 3x3 matrix.
+     * <p>
+     * Will throw an {@link IllegalArgumentException} in case it has more than 9 or
+     * a shaped recipe is either wider or higher than 3. ingredients.
+     */
+    private DefaultedList<Ingredient> ensure3by3CraftingMatrix(Recipe<?> recipe) {
+        DefaultedList<Ingredient> ingredients = recipe.getPreviewInputs();
+        DefaultedList<Ingredient> expandedIngredients = DefaultedList.ofSize(9, Ingredient.EMPTY);
+
+        Preconditions.checkArgument(ingredients.size() <= 9);
+
+        // shaped recipes can be smaller than 3x3, expand to 3x3 to match the crafting
+        // matrix
+        if (recipe instanceof ShapedRecipe) {
+            ShapedRecipe shapedRecipe = (ShapedRecipe) recipe;
+            int width = shapedRecipe.getWidth();
+            int height = shapedRecipe.getHeight();
+            Preconditions.checkArgument(width <= 3 && height <= 3);
+
+            for (int h = 0; h < height; h++) {
+                for (int w = 0; w < width; w++) {
+                    int source = w + h * width;
+                    int target = w + h * 3;
+                    Ingredient i = ingredients.get(source);
+                    expandedIngredients.set(target, i);
                }
            }
        }
-        return ItemStack.EMPTY;
+        // Anything else should be a flat list
+        else {
+            for (int i = 0; i < ingredients.size(); i++) {
+                expandedIngredients.set(i, ingredients.get(i));
+            }
+        }
+
+        return expandedIngredients;
+    }
+
+    /**
+     * @param is itemstack
+     * @return is if it can be used, else EMPTY
+     */
+    private ItemStack canUseInSlot(Ingredient ingredient, ItemStack is) {
+        return Arrays.stream(getMatchingStacks(ingredient)).filter(p -> p.isItemEqual(is)).findFirst()
+                .orElse(ItemStack.EMPTY);
+    }
+
+    /**
+     * Finds the first matching itemstack with the highest stored amount.
+     */
+    private IAEItemStack findBestMatchingItemStack(Ingredient ingredients, IPartitionList<IAEItemStack> filter,
+            IMEMonitor<IAEItemStack> storage, IContainerCraftingPacket cct) {
+        Stream<AEItemStack> stacks = Arrays.stream(getMatchingStacks(ingredients))//
+                .map(AEItemStack::fromItemStack) //
+                .filter(r -> r != null && (filter == null || filter.isListed(r)));
+        return getMostStored(stacks, storage, cct);
+    }
+
+    /**
+     * This tries to find the first pattern matching the list of ingredients.
+     * <p>
+     * As additional condition, it sorts by the stored amount to return the one with
+     * the highest stored amount.
+     */
+    private IAEItemStack findBestMatchingPattern(Ingredient ingredients, IPartitionList<IAEItemStack> filter,
+            ICraftingGrid crafting, IMEMonitor<IAEItemStack> storage, IContainerCraftingPacket cct) {
+        Stream<IAEItemStack> stacks = Arrays.stream(getMatchingStacks(ingredients))//
+                .map(AEItemStack::fromItemStack)//
+                .filter(r -> r != null && (filter == null || filter.isListed(r)))//
+                .map(s -> s.setCraftable(!crafting.getCraftingFor(s, null, 0, null).isEmpty()))//
+                .filter(IAEItemStack::isCraftable);
+        return getMostStored(stacks, storage, cct);
+    }
+
+    /**
+     * From a stream of AE item stacks, pick the one with the highest available
+     * amount in the network. Returns null if the stream is empty.
+     */
+    private static IAEItemStack getMostStored(Stream<? extends IAEItemStack> stacks, IMEMonitor<IAEItemStack> storage,
+            IContainerCraftingPacket cct) {
+        return stacks//
+                .map(s -> {
+                    // Determine the stored count
+                    IAEItemStack stored = storage.extractItems(s.copy().setStackSize(Long.MAX_VALUE),
+                            Actionable.SIMULATE, cct.getActionSource());
+                    return Pair.of(s, stored != null ? stored.getStackSize() : 0);
+                })//
+                .min((left, right) -> Long.compare(right.getSecond(), left.getSecond()))//
+                .map(Pair::getFirst)//
+                .orElse(null);
+    }
+
+    private void handleProcessing(ScreenHandler con, IContainerCraftingPacket cct, Recipe<?> recipe) {
+        if (con instanceof PatternTermContainer) {
+            PatternTermContainer patternTerm = (PatternTermContainer) con;
+            if (!patternTerm.craftingMode) {
+                final FixedItemInv output = cct.getInventoryByName("output");
+                ItemHandlerUtil.setStackInSlot(output, 0, recipe.getOutput());
+                ItemHandlerUtil.setStackInSlot(output, 1, ItemStack.EMPTY);
+                ItemHandlerUtil.setStackInSlot(output, 2, ItemStack.EMPTY);
+            }
+        }
    }

 }
@@ -19,13 +19,9 @@
 package appeng.core.sync.packets;

 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.nio.BufferOverflowException;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.GZIPOutputStream;

 import javax.annotation.Nullable;

@@ -41,7 +37,6 @@ import net.minecraft.network.Packet;
 import net.minecraft.network.PacketByteBuf;

 import appeng.api.storage.data.IAEFluidStack;
-import appeng.core.AELog;
 import appeng.core.sync.BasePacket;
 import appeng.core.sync.network.INetworkInfo;
 import appeng.fluids.client.gui.FluidTerminalScreen;
@@ -55,8 +50,6 @@ import appeng.fluids.util.AEFluidStack;
 public class MEFluidInventoryUpdatePacket extends BasePacket {
    private static final int UNCOMPRESSED_PACKET_BYTE_LIMIT = 16 * 1024 * 1024;
    private static final int OPERATION_BYTE_LIMIT = 2 * 1024;
-    private static final int TEMP_BUFFER_SIZE = 1024;
-    private static final int STREAM_MASK = 0xff;

    // input.
    @Nullable
@@ -66,47 +59,18 @@ public class MEFluidInventoryUpdatePacket extends BasePacket {

    @Nullable
    private final PacketByteBuf data;
-    @Nullable
-    private final GZIPOutputStream compressFrame;

    private int writtenBytes = 0;
    private boolean empty = true;

    public MEFluidInventoryUpdatePacket(final PacketByteBuf stream) {
        this.data = null;
-        this.compressFrame = null;
        this.list = new LinkedList<>();
        this.ref = stream.readByte();

-        try (final GZIPInputStream gzReader = new GZIPInputStream(new InputStream() {
-            @Override
-            public int read() {
-                if (stream.readableBytes() <= 0) {
-                    return -1;
-                }
-
-                return stream.readByte() & STREAM_MASK;
-            }
-        })) {
-
-            final PacketByteBuf uncompressed = new PacketByteBuf(Unpooled.buffer(stream.readableBytes()));
-            final byte[] tmp = new byte[TEMP_BUFFER_SIZE];
-
-            while (gzReader.available() != 0) {
-                final int bytes = gzReader.read(tmp);
-
-                if (bytes > 0) {
-                    uncompressed.writeBytes(tmp, 0, bytes);
-                }
-            }
-
-            while (uncompressed.readableBytes() > 0) {
-                this.list.add(AEFluidStack.fromPacket(uncompressed));
-            }
-        } catch (IOException e) {
-            throw new RuntimeException("Failed to decompress packet.", e);
+        while (stream.readableBytes() > 0) {
+            this.list.add(AEFluidStack.fromPacket(stream));
        }
-
        this.empty = this.list.isEmpty();
    }

@@ -121,14 +85,6 @@ public class MEFluidInventoryUpdatePacket extends BasePacket {
        this.data = new PacketByteBuf(Unpooled.buffer(OPERATION_BYTE_LIMIT));
        this.data.writeInt(this.getPacketID());
        this.data.writeByte(this.ref);
-
-        this.compressFrame = new GZIPOutputStream(new OutputStream() {
-            @Override
-            public void write(final int value) {
-                MEFluidInventoryUpdatePacket.this.data.writeByte(value);
-            }
-        });
-
        this.list = null;
    }

@@ -145,28 +101,19 @@ public class MEFluidInventoryUpdatePacket extends BasePacket {
    @Nullable
    @Override
    public Packet<?> toPacket(NetworkSide direction) {
-        try {
-            this.compressFrame.close();
-
-            this.configureWrite(this.data);
-            return super.toPacket(direction);
-        } catch (final IOException e) {
-            AELog.debug(e);
-        }
-
-        return null;
+        this.configureWrite(this.data);
+        return super.toPacket(direction);
    }

    public void appendFluid(final IAEFluidStack fs) throws IOException, BufferOverflowException {
        final PacketByteBuf tmp = new PacketByteBuf(Unpooled.buffer(OPERATION_BYTE_LIMIT));
        fs.writeToPacket(tmp);

-        this.compressFrame.flush();
        if (this.writtenBytes + tmp.readableBytes() > UNCOMPRESSED_PACKET_BYTE_LIMIT) {
            throw new BufferOverflowException();
        } else {
            this.writtenBytes += tmp.readableBytes();
-            this.compressFrame.write(tmp.array(), 0, tmp.readableBytes());
+            this.data.writeBytes(tmp.array(), 0, tmp.readableBytes());
            this.empty = false;
        }
    }
@@ -18,13 +18,7 @@

 package appeng.core.sync.packets;

-import java.io.DataInputStream;
-import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.GZIPOutputStream;

 import io.netty.buffer.Unpooled;

@@ -34,62 +28,30 @@ import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.NbtIo;
 import net.minecraft.network.PacketByteBuf;

 import appeng.client.gui.implementations.InterfaceTerminalScreen;
 import appeng.core.sync.BasePacket;
 import appeng.core.sync.network.INetworkInfo;

-//TODO, this is pointless, NBT is already compressed when written to a PacketBuffer.
-public class CompressedNBTPacket extends BasePacket {
+public class MEInterfaceUpdatePacket extends BasePacket {

    // input.
    private final CompoundTag in;
    // output...
    private final PacketByteBuf data;
-    private final GZIPOutputStream compressFrame;

-    public CompressedNBTPacket(final PacketByteBuf stream) {
+    public MEInterfaceUpdatePacket(final PacketByteBuf stream) {
        this.data = null;
-        this.compressFrame = null;
-
-        try (DataInputStream inStream = new DataInputStream(new GZIPInputStream(new InputStream() {
-
-            @Override
-            public int read() {
-                if (stream.readableBytes() <= 0) {
-                    return -1;
-                }
-
-                return stream.readByte() & 0xff;
-            }
-        }))) {
-            this.in = NbtIo.read(inStream);
-        } catch (IOException e) {
-            throw new RuntimeException("Failed to decompress packet.", e);
-        }
+        this.in = stream.readCompoundTag();
    }

    // api
-    public CompressedNBTPacket(final CompoundTag din) throws IOException {
-
+    public MEInterfaceUpdatePacket(final CompoundTag din) throws IOException {
+        this.in = null;
        this.data = new PacketByteBuf(Unpooled.buffer(2048));
        this.data.writeInt(this.getPacketID());
-
-        this.in = din;
-
-        this.compressFrame = new GZIPOutputStream(new OutputStream() {
-
-            @Override
-            public void write(final int value) {
-                CompressedNBTPacket.this.data.writeByte(value);
-            }
-        });
-
-        NbtIo.write(din, new DataOutputStream(this.compressFrame));
-        this.compressFrame.close();
-
+        this.data.writeCompoundTag(din);
        this.configureWrite(this.data);
    }

@@ -19,13 +19,9 @@
 package appeng.core.sync.packets;

 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.nio.BufferOverflowException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.GZIPOutputStream;

 import javax.annotation.Nullable;

@@ -45,7 +41,6 @@ import appeng.client.gui.implementations.CraftConfirmScreen;
 import appeng.client.gui.implementations.CraftingCPUScreen;
 import appeng.client.gui.implementations.MEMonitorableScreen;
 import appeng.client.gui.implementations.NetworkStatusScreen;
-import appeng.core.AELog;
 import appeng.core.sync.BasePacket;
 import appeng.core.sync.network.INetworkInfo;
 import appeng.util.item.AEItemStack;
@@ -53,8 +48,6 @@ import appeng.util.item.AEItemStack;
 public class MEInventoryUpdatePacket extends BasePacket {
    private static final int UNCOMPRESSED_PACKET_BYTE_LIMIT = 16 * 1024 * 1024;
    private static final int OPERATION_BYTE_LIMIT = 2 * 1024;
-    private static final int TEMP_BUFFER_SIZE = 1024;
-    private static final int STREAM_MASK = 0xff;

    // input.
    @Nullable
@@ -64,48 +57,18 @@ public class MEInventoryUpdatePacket extends BasePacket {

    @Nullable
    private final PacketByteBuf data;
-    @Nullable
-    private final GZIPOutputStream compressFrame;

    private int writtenBytes = 0;
    private boolean empty = true;

    public MEInventoryUpdatePacket(final PacketByteBuf stream) {
        this.data = null;
-        this.compressFrame = null;
        this.list = new ArrayList<>();
        this.ref = stream.readByte();

-        // int originalBytes = stream.readableBytes();
-
-        try (GZIPInputStream gzReader = new GZIPInputStream(new InputStream() {
-            @Override
-            public int read() {
-                if (stream.readableBytes() <= 0) {
-                    return -1;
-                }
-
-                return stream.readByte() & STREAM_MASK;
-            }
-        })) {
-            final PacketByteBuf uncompressed = new PacketByteBuf(Unpooled.buffer(stream.readableBytes()));
-            final byte[] tmp = new byte[TEMP_BUFFER_SIZE];
-
-            while (gzReader.available() != 0) {
-                final int bytes = gzReader.read(tmp);
-
-                if (bytes > 0) {
-                    uncompressed.writeBytes(tmp, 0, bytes);
-                }
-            }
-
-            while (uncompressed.readableBytes() > 0) {
-                this.list.add(AEItemStack.fromPacket(uncompressed));
-            }
-        } catch (IOException e) {
-            throw new RuntimeException("Failed to decompress packet.", e);
+        while (stream.readableBytes() > 0) {
+            this.list.add(AEItemStack.fromPacket(stream));
        }
-
        this.empty = this.list.isEmpty();
    }

@@ -120,14 +83,6 @@ public class MEInventoryUpdatePacket extends BasePacket {
        this.data = new PacketByteBuf(Unpooled.buffer(OPERATION_BYTE_LIMIT));
        this.data.writeInt(this.getPacketID());
        this.data.writeByte(this.ref);
-
-        this.compressFrame = new GZIPOutputStream(new OutputStream() {
-            @Override
-            public void write(final int value) {
-                MEInventoryUpdatePacket.this.data.writeByte(value);
-            }
-        });
-
        this.list = null;
    }

@@ -156,28 +111,19 @@ public class MEInventoryUpdatePacket extends BasePacket {
    @Nullable
    @Override
    public Packet<?> toPacket(NetworkSide direction) {
-        try {
-            this.compressFrame.close();
-
-            this.configureWrite(this.data);
-            return super.toPacket(direction);
-        } catch (final IOException e) {
-            AELog.debug(e);
-        }
-
-        return null;
+        this.configureWrite(this.data);
+        return super.toPacket(direction);
    }

    public void appendItem(final IAEItemStack is) throws IOException, BufferOverflowException {
        final PacketByteBuf tmp = new PacketByteBuf(Unpooled.buffer(OPERATION_BYTE_LIMIT));
        is.writeToPacket(tmp);

-        this.compressFrame.flush();
        if (this.writtenBytes + tmp.readableBytes() > UNCOMPRESSED_PACKET_BYTE_LIMIT) {
            throw new BufferOverflowException();
        } else {
            this.writtenBytes += tmp.readableBytes();
-            this.compressFrame.write(tmp.array(), 0, tmp.readableBytes());
+            this.data.writeBytes(tmp.array(), 0, tmp.readableBytes());
            this.empty = false;
        }
    }
--- a/Show More
+++ b/Show More