Compiles again.

src/api/java/appeng/api/config/Upgrades.java

@@ -119,7 +119,7 @@ public enum Upgrades {
                 if (namesAdded.add(name)) {
                     // append the supported count only if its > 1
                     if (supported.maxCount > 1) {
-                        name = name.deepCopy().appendText(" (" + supported.maxCount + ")");
+                        name = name.deepCopy().func_240702_b_(" (" + supported.maxCount + ")");
                     }
                     supportedTooltipLines.add(name);
                 }

src/api/java/appeng/api/features/IWorldGen.java

@@ -26,16 +26,15 @@ package appeng.api.features;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.world.Dimension;
 import net.minecraft.world.IWorld;
+import net.minecraft.world.server.ServerWorld;
 
 public interface IWorldGen {
 
-    void disableWorldGenForProviderID(WorldGenType type, Class<? extends Dimension> provider);
-
     void enableWorldGenForDimension(WorldGenType type, ResourceLocation dimID);
 
     void disableWorldGenForDimension(WorldGenType type, ResourceLocation dimID);
 
-    boolean isWorldGenEnabled(WorldGenType type, IWorld w);
+    boolean isWorldGenEnabled(WorldGenType type, ServerWorld w);
 
     enum WorldGenType {
         CERTUS_QUARTZ, CHARGED_CERTUS_QUARTZ, METEORITES

src/api/java/appeng/api/implementations/items/ISpatialStorageCell.java

@@ -25,11 +25,13 @@ package appeng.api.implementations.items;
 
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.RegistryKey;
 import net.minecraft.world.DimensionType;
 import net.minecraft.world.World;
 
 import appeng.api.implementations.TransitionResult;
 import appeng.api.util.WorldCoord;
+import net.minecraft.world.server.ServerWorld;
 
 /**
  * Implemented on a {@link Item}
@@ -57,7 +59,7 @@ public interface ISpatialStorageCell {
      *
      * @return dimension id or -1
      */
-    DimensionType getStoredDimension(ItemStack is);
+    RegistryKey<World> getStoredDimension(ItemStack is);
 
     /**
      * Perform a spatial swap with the contents of the cell, and the world.
@@ -70,5 +72,5 @@ public interface ISpatialStorageCell {
      *
      * @return result of transition
      */
-    TransitionResult doSpatialTransition(ItemStack is, World w, WorldCoord min, WorldCoord max, int playerId);
+    TransitionResult doSpatialTransition(ItemStack is, ServerWorld w, WorldCoord min, WorldCoord max, int playerId);
 }

src/api/java/appeng/api/storage/ISpatialDimension.java

@@ -22,29 +22,31 @@ import java.util.List;
 
 import javax.annotation.Nullable;
 
+import net.minecraft.util.RegistryKey;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.text.ITextComponent;
 import net.minecraft.world.DimensionType;
+import net.minecraft.world.World;
 import net.minecraft.world.server.ServerWorld;
 
 public interface ISpatialDimension {
-    ServerWorld getWorld(DimensionType cellDim);
+    ServerWorld getWorld(RegistryKey<World> cellDim);
 
     @Nullable
-    DimensionType createNewCellDimension(BlockPos capacity);
+    RegistryKey<World> createNewCellDimension(BlockPos capacity);
 
-    void deleteCellDimension(DimensionType cellDim);
+    void deleteCellDimension(RegistryKey<World> cellDim);
 
-    boolean isCellDimension(DimensionType cellDim);
+    boolean isCellDimension(RegistryKey<World> cellDim);
 
-    BlockPos getCellDimensionOrigin(DimensionType cellDim);
+    BlockPos getCellDimensionOrigin(RegistryKey<World> cellDim);
 
-    BlockPos getCellDimensionSize(DimensionType cellDim);
+    BlockPos getCellDimensionSize(RegistryKey<World> cellDim);
 
     /**
      * Adds a user-facing tooltip that describes this dimension so that a player can
      * keep storage cells apart.
      */
-    void addCellDimensionTooltip(DimensionType cellDim, List<ITextComponent> lines);
+    void addCellDimensionTooltip(RegistryKey<World> cellDim, List<ITextComponent> lines);
 
 }