Lots of fixes

src/main/java/appeng/tile/crafting/CraftingBlockEntity.java

@@ -24,9 +24,7 @@ import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.Optional;
 
-import appeng.util.BlockUpdateFlag;
 import net.minecraft.block.BlockState;
-import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.block.entity.BlockEntityType;
@@ -251,15 +249,15 @@ public class CraftingBlockEntity extends AENetworkBlockEntity
 
             final LinkedList<BlockPos> places = new LinkedList<>();
 
-            final Iterator<CraftingTileEntity> i = this.cluster.getTiles();
+            final Iterator<CraftingBlockEntity> i = this.cluster.getTiles();
             while (i.hasNext()) {
-                final CraftingTileEntity h = i.next();
+                final CraftingBlockEntity h = i.next();
                 if (h == this) {
                     places.add(pos);
                 } else {
                     for (Direction d : Direction.values()) {
                         BlockPos p = h.pos.offset(d);
-                        if (this.world.isAirBlock(p)) {
+                        if (this.world.isAir(p)) {
                             places.add(p);
                         }
                     }

src/main/java/appeng/tile/crafting/MolecularAssemblerRenderer.java

@@ -50,8 +50,8 @@ import appeng.core.AppEng;
 @Environment(EnvType.CLIENT)
 public class MolecularAssemblerRenderer extends BlockEntityRenderer<MolecularAssemblerBlockEntity> {
 
-    public static final Identifier LIGHTS_MODEL = new Identifier(AppEng.MOD_ID,
-            "block/molecular_assembler_lights");
+    public static final ModelIdentifier LIGHTS_MODEL = new ModelIdentifier(AppEng.makeId(
+            "block/molecular_assembler_lights"), "");
 
     private static final RenderLayer MC_161917_RENDERTYPE_FIX = createRenderType();
 
@@ -93,7 +93,7 @@ public class MolecularAssemblerRenderer extends BlockEntityRenderer<MolecularAss
         // even the fully transparent part)
         // https://bugs.mojang.com/browse/MC-161917
         MinecraftClient minecraft = MinecraftClient.getInstance();
-        BakedModel lightsModel = minecraft.getBakedModelManager().getModel(new ModelIdentifier(LIGHTS_MODEL, ""));
+        BakedModel lightsModel = minecraft.getBakedModelManager().getModel(LIGHTS_MODEL);
         VertexConsumer buffer = bufferIn.getBuffer(MC_161917_RENDERTYPE_FIX);
 
         minecraft.getBlockRenderManager().getModelRenderer().render(ms.peek(), buffer, null,

src/main/java/appeng/tile/storage/ChestBlockEntity.java

@@ -53,6 +53,7 @@ import appeng.api.util.AEColor;
 import appeng.api.util.IConfigManager;
 import appeng.container.implementations.MEMonitorableContainer;
 import appeng.core.Api;
+import appeng.fluids.container.FluidTerminalContainer;
 import appeng.fluids.util.AEFluidStack;
 import appeng.helpers.IPriorityHost;
 import appeng.me.GridAccessException;
@@ -782,8 +783,7 @@ public class ChestBlockEntity extends AENetworkPowerBlockEntity
             }
             if (this.cellHandler.getChannel() == Api.instance().storage()
                     .getStorageChannel(IFluidStorageChannel.class)) {
-                throw new IllegalStateException();
-                // FIXME FABRIC return FluidTerminalContainer.TYPE;
+                return FluidTerminalContainer.TYPE;
             }
         }
         return null;