EntitySittable.java

/**
 * Copyright (c) Lambda Innovation, 2013-2015
 * 本作品版权由Lambda Innovation所有。
 * http://www.li-dev.cn/
 *
 * This project is open-source, and it is distributed under 
 * the terms of GNU General Public License. You can modify
 * and distribute freely as long as you follow the license.
 * 本项目是一个开源项目，且遵循GNU通用公共授权协议。
 * 在遵照该协议的情况下，您可以自由传播和修改。
 * http://www.gnu.org/licenses/gpl.html
 */
package cn.liutils.template.entity;

import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import cn.annoreg.core.Registrant;
import cn.annoreg.mc.RegEntity;

/**
 * TileSittable的支持实体~
 * 
 * @author WeAthFolD
 */
@Registrant
@RegEntity
public class EntitySittable extends Entity {
    /**
     * Marking interface.
     */
    public static interface ISittable {}
    
    public EntityPlayer mountedPlayer;
    Vec3 startPt;
    int bx, by, bz;

    public EntitySittable(World wrld, float x, float y, float z, int bx,
            int by, int bz) {
        super(wrld);
        setPosition(x, y, z);
        setSize(0.01F, 0.01F);
        startPt = Vec3.createVectorHelper(x, y, z);
        this.bx = bx;
        this.by = by;
        this.bz = bz;
    }

    public EntitySittable(World wrld) {
        super(wrld);
        setSize(0.01F, 0.01F);
    }

    public void mount(EntityPlayer player) {
        player.mountEntity(this);
        mountedPlayer = player;
    }

    public void disMount() {
        if (mountedPlayer != null) {
            mountedPlayer.mountEntity((Entity) null);
            mountedPlayer = null;
        }
    }

    public boolean isMounted() {
        return mountedPlayer != null;
    }

    @Override
    public void onUpdate() {
        if(mountedPlayer != null && mountedPlayer.isDead) {
            mountedPlayer = null;
        }
        
        if (!worldObj.isRemote) {
            TileEntity te = worldObj.getTileEntity(bx, by, bz);
            if (te == null || !(te instanceof ISittable)) {
                setDead();
                return;
            }
            if (startPt != null) {
                posX = startPt.xCoord;
                posY = startPt.yCoord;
                posZ = startPt.zCoord;
            } else {
                setDead();
            }
        }
    }

    @Override
    protected void entityInit() {
    }

    @Override
    protected void readEntityFromNBT(NBTTagCompound nbt) {
        setDead();
    }

    @Override
    protected void writeEntityToNBT(NBTTagCompound nbt) {
    }
}