Add support for codecs to our data generator system

This already exists in both upstream loaders, we just need to abstract
over it.

projects/common/src/main/java/dan200/computercraft/data/DataProviders.java

@@ -4,16 +4,20 @@
 
 package dan200.computercraft.data;
 
+import com.mojang.serialization.Codec;
 import net.minecraft.data.DataProvider;
 import net.minecraft.data.PackOutput;
 import net.minecraft.data.loot.LootTableProvider.SubProviderEntry;
 import net.minecraft.data.models.BlockModelGenerators;
 import net.minecraft.data.models.ItemModelGenerators;
 import net.minecraft.data.tags.TagsProvider;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.packs.PackType;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.level.block.Block;
 
 import java.util.List;
+import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
 /**
@@ -39,9 +43,11 @@ public final class DataProviders {
         generator.add(out -> new LanguageProvider(out, turtleUpgrades, pocketUpgrades));
     }
 
-    interface GeneratorSink {
+    public interface GeneratorSink {
         <T extends DataProvider> T add(DataProvider.Factory<T> factory);
 
+        <T> void addFromCodec(String name, PackType type, String directory, Codec<T> codec, Consumer<BiConsumer<ResourceLocation, T>> output);
+
         void lootTable(List<SubProviderEntry> tables);
 
         TagsProvider<Block> blockTags(Consumer<TagProvider.TagConsumer<Block>> tags);

projects/common/src/main/java/dan200/computercraft/shared/container/BasicContainer.java

@@ -7,7 +7,6 @@ package dan200.computercraft.shared.container;
 import net.minecraft.core.NonNullList;
 import net.minecraft.world.Container;
 import net.minecraft.world.ContainerHelper;
-import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 
 /**
@@ -16,24 +15,6 @@ import net.minecraft.world.item.ItemStack;
 public interface BasicContainer extends Container {
     NonNullList<ItemStack> getContents();
 
-    @Override
-    default int getMaxStackSize() {
-        return 64;
-    }
-
-    @Override
-    default void startOpen(Player player) {
-    }
-
-    @Override
-    default void stopOpen(Player player) {
-    }
-
-    @Override
-    default boolean canPlaceItem(int slot, ItemStack stack) {
-        return true;
-    }
-
     @Override
     default int getContainerSize() {
         return getContents().size();