Enhanced Furnace Compat

examples/postInit/minecraft.groovy

@@ -159,12 +159,14 @@ mods.minecraft.crafting.shapelessBuilder()
 // mods.minecraft.crafting.replaceShapeless('minecraft:pink_dye_from_pink_tulp', item('minecraft:clay'), [item('minecraft:nether_star')])
 
 // Furnace:
-// Converts an input item into an output itemstack after a set amount of time, with the ability to give experience and
-// using fuel to run.
+// Converts an input item into an output itemstack after a configurable amount of time, with the ability to give experience
+// and using fuel to run. Can also convert the item in the fuel slot.
 
-mods.minecraft.furnace.removeByInput(item('minecraft:clay'))
+mods.minecraft.furnace.removeByInput(item('minecraft:clay:*'))
 mods.minecraft.furnace.removeByOutput(item('minecraft:brick'))
+mods.minecraft.furnace.removeFuelConversionBySmeltedStack(item('minecraft:sponge', 1))
 // mods.minecraft.furnace.removeAll()
+// mods.minecraft.furnace.removeAllFuelConversions()
 
 mods.minecraft.furnace.recipeBuilder()
     .input(ore('ingotGold'))
@@ -175,6 +177,8 @@ mods.minecraft.furnace.recipeBuilder()
 
 // mods.minecraft.furnace.add(ore('ingotIron'), item('minecraft:diamond'))
 mods.minecraft.furnace.add(item('minecraft:nether_star'), item('minecraft:clay') * 64, 13)
+mods.minecraft.furnace.add(item('minecraft:diamond'), item('minecraft:clay'), 2, 50)
+mods.minecraft.furnace.addFuelConversion(item('minecraft:diamond'), item('minecraft:bucket').transform(item('minecraft:lava_bucket')))
 
 // Default GameRules:
 // Create or assign a default value to GameRules.

src/main/java/com/cleanroommc/groovyscript/compat/vanilla/CustomFurnaceManager.java

@@ -0,0 +1,58 @@
+package com.cleanroommc.groovyscript.compat.vanilla;
+
+import com.cleanroommc.groovyscript.api.GroovyBlacklist;
+import com.cleanroommc.groovyscript.api.IIngredient;
+import com.cleanroommc.groovyscript.helper.ingredient.IngredientHelper;
+import com.cleanroommc.groovyscript.helper.ingredient.itemstack.ItemStack2IntProxyMap;
+import com.github.bsideup.jabel.Desugar;
+import net.minecraft.init.Blocks;
+import net.minecraft.init.Items;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@GroovyBlacklist
+public class CustomFurnaceManager {
+
+    /**
+     * Time an itemstack takes to smelt.
+     * <p>
+     * By default, minecraft uses 200 ticks for everything, GroovyScript uses a mixin to allow variable times to smelt.
+     *
+     * @see com.cleanroommc.groovyscript.core.mixin.furnace.TileEntityFurnaceMixin TileEntityFurnaceMixin
+     */
+    public static final ItemStack2IntProxyMap TIME_MAP = new ItemStack2IntProxyMap();
+
+    /**
+     * Recipes for converting the fuel slot of a furnace into another item when a valid item is smelted.
+     * <p>
+     * By default, minecraft has custom logic to make smelting a wet sponge convert an empty bucket into a water bucket.
+     *
+     * @see com.cleanroommc.groovyscript.core.mixin.furnace.TileEntityFurnaceMixin TileEntityFurnaceMixin
+     * @see FuelConversionRecipe
+     */
+    public static final List<FuelConversionRecipe> FUEL_TRANSFORMERS = new ArrayList<>();
+
+    static {
+        // reproduce the vanilla logic for converting empty buckets into water buckets on smelting wet sponge
+        // in groovyscript this would be `furnace.addFuelConversion(item('minecraft:sponge', 1), item('minecraft:bucket').transform(item('minecraft:water_bucket')))`
+        var bucket = IngredientHelper.toIIngredient(((ItemStackMixinExpansion) (Object) (new ItemStack(Items.BUCKET))).transform(new ItemStack(Items.WATER_BUCKET)));
+        var wetSponge = IngredientHelper.toIIngredient(new ItemStack(Item.getItemFromBlock(Blocks.SPONGE), 1, 1));
+        FUEL_TRANSFORMERS.add(new FuelConversionRecipe(wetSponge, bucket));
+    }
+
+    /**
+     * When the smelted ItemStack passes the {@link #smelted} filter and the {@link #fuel} filter,
+     * the {@link #fuel} IIngredient will use {@link IIngredient#applyTransform(ItemStack)} to convert the fuel stack.
+     *
+     * @param smelted an IIngredient that is checked against the item being smelted
+     * @param fuel    an IIngredient that is checked against the fuel item, and if it passes uses {@link IIngredient#applyTransform(ItemStack)} to convert the fuel item.
+     */
+    @Desugar
+    public record FuelConversionRecipe(IIngredient smelted, IIngredient fuel) {
+
+    }
+
+}