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Crafter support for the transfer api. (#4013)

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* Crafter support for the transfer api.
Closes #4004

* Review feedback
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modmuss 2024-08-11 14:52:04 +01:00 committed by GitHub
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72
fabric-transfer-api-v1/src/main/java/net/fabricmc/fabric/mixin/transfer/CrafterBlockMixin.java Normal file
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@ -0,0 +1,72 @@
/*
* Copyright (c) 2016, 2017, 2018, 2019 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.fabric.mixin.transfer;
import com.llamalad7.mixinextras.sugar.Local;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import net.minecraft.block.BlockState;
import net.minecraft.block.CrafterBlock;
import net.minecraft.block.entity.CrafterBlockEntity;
import net.minecraft.inventory.Inventory;
import net.minecraft.item.ItemStack;
import net.minecraft.recipe.CraftingRecipe;
import net.minecraft.recipe.RecipeEntry;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.fabricmc.fabric.api.transfer.v1.item.ItemStorage;
import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant;
import net.fabricmc.fabric.api.transfer.v1.storage.Storage;
import net.fabricmc.fabric.api.transfer.v1.transaction.Transaction;
@Mixin(CrafterBlock.class)
public class CrafterBlockMixin {
// Inject after vanilla's attempts to insert the stack into an inventory.
@Inject(method = "transferOrSpawnStack", at = @At(value = "INVOKE", target = "Lnet/minecraft/item/ItemStack;isEmpty()Z", shift = At.Shift.BEFORE))
private void transferOrSpawnStack(ServerWorld world, BlockPos pos, CrafterBlockEntity blockEntity, ItemStack inputStack, BlockState state, RecipeEntry<CraftingRecipe> recipe, CallbackInfo ci, @Local Direction direction, @Local Inventory inventory, @Local(ordinal = 1) ItemStack itemStack) {
if (inventory != null) {
// Vanilla already found and tested an inventory, nothing else to do even if it failed to insert.
return;
}
if (itemStack.isEmpty()) {
// Nothing left to do, in theory should never get here.
return;
}
final Storage<ItemVariant> target = ItemStorage.SIDED.find(world, pos.offset(direction), direction.getOpposite());
if (target != null) {
// Attempt to move the entire stack, and decrement the size of success moves.
try (Transaction transaction = Transaction.openOuter()) {
long moved = target.insert(ItemVariant.of(itemStack), inputStack.getCount(), transaction);
if (moved > 0) {
itemStack.decrement((int) moved);
transaction.commit();
}
}
}
// Any remaining will be dropped in the world by vanilla logic
}
}

1
fabric-transfer-api-v1/src/main/resources/fabric-transfer-api-v1.mixins.json
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@ -7,6 +7,7 @@
"BucketItemAccessor",
"BucketItemMixin",
"ChiseledBookshelfBlockEntityMixin",
"CrafterBlockMixin",
"DoubleInventoryAccessor",
"DropperBlockMixin",
"FluidMixin",