net.earthcomputer.multiconnect.protocols.v1_8.mixin.InventoryMixin Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of multiconnect Show documentation

The full multiconnect mod JAR

The newest version!

package net.earthcomputer.multiconnect.protocols.v1_8.mixin;

import net.earthcomputer.multiconnect.api.Protocols;
import net.earthcomputer.multiconnect.impl.ConnectionInfo;
import net.minecraft.core.NonNullList;
import net.minecraft.world.entity.player.Inventory;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Redirect;
import org.spongepowered.asm.mixin.injection.Slice;

import java.util.AbstractList;

@Mixin(Inventory.class)
public class InventoryMixin {
    @Redirect(method = "", slice = @Slice(from = @At(value = "CONSTANT", args = "intValue=1")), at = @At(value = "INVOKE", target = "Lnet/minecraft/core/NonNullList;withSize(ILjava/lang/Object;)Lnet/minecraft/core/NonNullList;", ordinal = 0))
    private  NonNullList redirectOffhandInventory(int size, T def) {
        if (ConnectionInfo.protocolVersion <= Protocols.V1_8) {
            // Create a list which has size 0 but doesn't throw array index out of bounds exceptions.
            //noinspection MixinInnerClass
            return new NonNullList<>(new AbstractList() {
                @Override
                public T get(int index) {
                    return def;
                }

                @Override
                public T set(int index, T element) {
                    return def;
                }

                @Override
                public int size() {
                    return 0;
                }
            }, def) {};
        } else {
            return NonNullList.withSize(size, def);
        }
    }
}