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Stacc mixin
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package net.devtech.stacc.mixin; | |
import io.netty.buffer.ByteBuf; | |
import org.spongepowered.asm.mixin.Final; | |
import org.spongepowered.asm.mixin.Mixin; | |
import org.spongepowered.asm.mixin.Mutable; | |
import org.spongepowered.asm.mixin.Overwrite; | |
import org.spongepowered.asm.mixin.Shadow; | |
import org.spongepowered.asm.mixin.Unique; | |
import org.spongepowered.asm.mixin.injection.At; | |
import org.spongepowered.asm.mixin.injection.Inject; | |
import org.spongepowered.asm.mixin.injection.ModifyArg; | |
import org.spongepowered.asm.mixin.injection.Redirect; | |
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo; | |
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable; | |
import net.minecraft.inventory.Inventory; | |
import net.minecraft.item.Item; | |
import net.minecraft.item.ItemStack; | |
import net.minecraft.nbt.CompoundTag; | |
import net.minecraft.util.PacketByteBuf; | |
/** | |
* by HalfOf2 | |
* | |
* this code is licenced under CC0 | |
* https://creativecommons.org/publicdomain/zero/1.0/legalcode | |
*/ | |
@Mixin (PacketByteBuf.class) | |
public abstract class StaccMixin { | |
@Unique private static final int VAL = 512; | |
@Shadow public abstract int readInt(); | |
@Redirect (method = "writeItemStack", | |
at = @At (value = "INVOKE", | |
target = "Lnet/minecraft/util/PacketByteBuf;writeByte(I)Lio/netty/buffer/ByteBuf;")) | |
private ByteBuf write(PacketByteBuf buf, int i) { | |
return buf.writeInt(i); | |
} | |
@Redirect (method = "readItemStack", | |
at = @At (value = "INVOKE", | |
target = "Lnet/minecraft/util/PacketByteBuf;readByte()B")) | |
private byte read(PacketByteBuf buf) { | |
return 0; // no-op moved to #doThing | |
} | |
@ModifyArg(method = "readItemStack", at = @At(value = "INVOKE", target = "Lnet/minecraft/item/ItemStack;<init>(Lnet/minecraft/item/ItemConvertible;I)V"), index = 1) | |
private int doThing(int amount) { | |
return this.readInt(); | |
} | |
@Mixin(ItemStack.class) | |
private static class ItemStackMixin { | |
@Shadow private int count; | |
@Inject(at = @At("TAIL"), method = "<init>(Lnet/minecraft/nbt/CompoundTag;)V") | |
void onDeserialization(CompoundTag tag, CallbackInfo callbackInformation) { | |
if (tag.contains("countInteger")) { | |
this.count = tag.getInt("countInteger"); | |
} | |
} | |
@Inject(at = @At("HEAD"), method = "toTag(Lnet/minecraft/nbt/CompoundTag;)Lnet/minecraft/nbt/CompoundTag;") | |
void onSerialization(CompoundTag tag, CallbackInfoReturnable<CompoundTag> callbackInformationReturnable) { | |
if (this.count > Byte.MAX_VALUE) { | |
tag.putInt("countInteger", this.count); | |
// allow this to be cross compatible with vanilla | |
this.count = 64; | |
} | |
} | |
} | |
@Mixin(Inventory.class) | |
public interface InventoryMixin { | |
/** | |
* @author HalfOf2 | |
* @reason increase max stack size | |
*/ | |
@Overwrite | |
default int getInvMaxStackAmount() { | |
return VAL; | |
} | |
} | |
@Mixin(Item.class) | |
private static class ItemMixin { | |
@Mutable @Shadow @Final private int maxCount; | |
@Inject (method = "<init>", at = @At("TAIL")) | |
private void init(Item.Settings settings, CallbackInfo ci) { | |
this.maxCount = VAL; | |
} | |
} | |
} |
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