Add system for wrapping registry entries.

Author: Darkhax

Common/src/main/java/net/darkhax/bookshelf/api/data/recipes/IRecipeSerializer.java

@@ -0,0 +1,56 @@
+package net.darkhax.bookshelf.api.data.recipes;
+
+import com.google.gson.JsonObject;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.crafting.Recipe;
+import net.minecraft.world.item.crafting.RecipeSerializer;
+
+/**
+ * This interface is a rough copy of {@link net.minecraft.world.item.crafting.RecipeSerializer}. Some platforms like
+ * Forge modify the class hierarchy of the vanilla interface which creates compile time problems. This interface gets
+ * around these issues by decoupling the neutral code. Platform specific wrappers are provided to bring this back to the
+ * vanilla type.
+ *
+ * @param <T> The type of recipe serialized by the serializer.
+ */
+public abstract class IRecipeSerializer<T extends Recipe<?>> {
+
+    private RecipeSerializer<?> wrapper;
+
+    public void setWrapper(RecipeSerializer<?> wrapper) {
+
+        this.wrapper = wrapper;
+    }
+
+    public RecipeSerializer<?> getWrapper() {
+
+        return this.wrapper;
+    }
+
+    /**
+     * Reads a recipe from JSON data.
+     *
+     * @param recipeId The ID to assign the recipe.
+     * @param json     The JSON data.
+     * @return The recipe that was deserialized.
+     */
+    public abstract T fromJson(ResourceLocation recipeId, JsonObject json);
+
+    /**
+     * Reads a recipe from a network buffer.
+     *
+     * @param recipeId The ID to assign the recipe.
+     * @param buffer   The network buffer.
+     * @return The recipe that was deserialized.
+     */
+    public abstract T fromNetwork(ResourceLocation recipeId, FriendlyByteBuf buffer);
+
+    /**
+     * Writes a recipe to a network buffer.
+     *
+     * @param buffer  The network buffer to write into.
+     * @param toWrite The recipe to write.
+     */
+    public abstract void toNetwork(FriendlyByteBuf buffer, T toWrite);
+}

Common/src/main/java/net/darkhax/bookshelf/api/registry/IRegistryEntries.java

@@ -5,6 +5,7 @@
 import javax.annotation.Nullable;
 import java.util.Map;
 import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
 
@@ -18,6 +19,8 @@ public interface IRegistryEntries<V> extends Iterable<V> {
 
     void addRegistryListener(BiConsumer<ResourceLocation, V> listener);
 
+    void addRegistryWrapper(BiFunction<ResourceLocation, V, V> wrapperFunc);
+
     void build(BiConsumer<ResourceLocation, V> registerFunc);
 
     @Nullable

Fabric/src/main/java/net/darkhax/bookshelf/impl/data/recipes/WrappedRecipeSerializer.java

@@ -0,0 +1,36 @@
+package net.darkhax.bookshelf.impl.data.recipes;
+
+import com.google.gson.JsonObject;
+import net.darkhax.bookshelf.api.data.recipes.IRecipeSerializer;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.crafting.Recipe;
+import net.minecraft.world.item.crafting.RecipeSerializer;
+
+public class WrappedRecipeSerializer<T extends Recipe<?>> implements RecipeSerializer<T> {
+
+    private final IRecipeSerializer<T> delegate;
+
+    public WrappedRecipeSerializer(IRecipeSerializer<T> delegate) {
+
+        this.delegate = delegate;
+    }
+
+    @Override
+    public T fromJson(ResourceLocation recipeId, JsonObject json) {
+
+        return this.delegate.fromJson(recipeId, json);
+    }
+
+    @Override
+    public T fromNetwork(ResourceLocation recipeId, FriendlyByteBuf buffer) {
+
+        return this.delegate.fromNetwork(recipeId, buffer);
+    }
+
+    @Override
+    public void toNetwork(FriendlyByteBuf buffer, T toWrite) {
+
+        this.delegate.toNetwork(buffer, toWrite);
+    }
+}

Forge/src/main/java/net/darkhax/bookshelf/impl/data/recipes/WrappedRecipeSerializer.java

@@ -0,0 +1,37 @@
+package net.darkhax.bookshelf.impl.data.recipes;
+
+import com.google.gson.JsonObject;
+import net.darkhax.bookshelf.api.data.recipes.IRecipeSerializer;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.crafting.Recipe;
+import net.minecraft.world.item.crafting.RecipeSerializer;
+import net.minecraftforge.registries.ForgeRegistryEntry;
+
+public class WrappedRecipeSerializer<T extends Recipe<?>> extends ForgeRegistryEntry<RecipeSerializer<?>> implements RecipeSerializer<T> {
+
+    private final IRecipeSerializer<T> delegate;
+
+    public WrappedRecipeSerializer(IRecipeSerializer<T> delegate) {
+
+        this.delegate = delegate;
+    }
+
+    @Override
+    public T fromJson(ResourceLocation recipeId, JsonObject json) {
+
+        return delegate.fromJson(recipeId, json);
+    }
+
+    @Override
+    public T fromNetwork(ResourceLocation recipeId, FriendlyByteBuf byteBuf) {
+
+        return delegate.fromNetwork(recipeId, byteBuf);
+    }
+
+    @Override
+    public void toNetwork(FriendlyByteBuf byteBuf, T toWrite) {
+
+        delegate.toNetwork(byteBuf, toWrite);
+    }
+}