MixinTileTurtle.java

package com.thedeviantnetwork.deviantfix.mixin.computercraft;

import com.thedeviantnetwork.deviantfix.logic.computercraft.ITurtle;
import dan200.computercraft.shared.turtle.blocks.TileTurtle;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
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 org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;

import java.util.UUID;

@Mixin(TileTurtle.class)
public class MixinTileTurtle implements ITurtle {

    private UUID lastInteracted;

    @Override
    public UUID getLastInteracted() {
        return lastInteracted;
    }

    @Inject(method = "onActivate", at = @At("HEAD"), remap = false)
    private void onInteract(EntityPlayer player, int side, float hitX, float hitY, float hitZ, CallbackInfoReturnable<Boolean> callbackInfo){
        lastInteracted = player.getPersistentID();
        System.out.println(lastInteracted);
    }

    //readFromNBT
    @Inject(method = "func_145839_a", at = @At("HEAD"), remap = false)
    public void readlastInteracted(NBTTagCompound nbttagcompound, CallbackInfo callbackInfo) {
        String lastInteractedstring = nbttagcompound.getString("lastInteracted");
        if (lastInteractedstring == null)
            lastInteracted = UUID.fromString("41c82c87-7afb-4024-ba57-13d2c99cae77");
        else
            lastInteracted = UUID.fromString(lastInteractedstring);
        System.out.println("READ " + lastInteractedstring);
    }

    //writeToNBT
    @Inject(method = "func_145841_b", at = @At("HEAD"), remap = false)
    public void writeTlastInteracted(NBTTagCompound nbttagcompound, CallbackInfo callbackInfo) {
        nbttagcompound.setString("lastInteracted", lastInteracted.toString());
        System.out.println("write " + lastInteracted);
    }
}