MixinEntityMinecart_KillFix.java

/*
 *  This file is part of Cubic Chunks Mod, licensed under the MIT License (MIT).
 *
 *  Copyright (c) 2015 contributors
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
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 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 *  THE SOFTWARE.
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package cubicchunks.asm.mixin.fixes.common;

import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityMinecart;
import net.minecraft.world.World;

import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.Constant;
import org.spongepowered.asm.mixin.injection.ModifyConstant;

import cubicchunks.world.ICubicWorld;

@Mixin(EntityMinecart.class)
public abstract class MixinEntityMinecart_KillFix extends Entity {

	public MixinEntityMinecart_KillFix(World worldIn) {
		super(worldIn);
	}

	/**
	 * Replace -64 constant, to avoid killing minecarts below y=-64
	 */
	@ModifyConstant(method = "onUpdate", constant = @Constant(doubleValue = -64.0D), require = 1)
	private double getDeathY(double originalY) {
		return ((ICubicWorld) world).getMinHeight() + originalY;
	}
}