ItemCoin.java

/**
* Copyright (c) Lambda Innovation, 2013-2016
* This file is part of the AcademyCraft mod.
* https://github.com/LambdaInnovation/AcademyCraft
* Licensed under GPLv3, see project root for more information.
*/
package cn.academy.vanilla.electromaster.item;

import cn.academy.core.item.ACItem;
import cn.academy.vanilla.electromaster.client.renderer.RendererCoinThrowing;
import cn.academy.vanilla.electromaster.entity.EntityCoinThrowing;
import cn.academy.vanilla.electromaster.event.CoinThrowEvent;
import cn.lambdalib.annoreg.core.Registrant;
import cn.lambdalib.annoreg.mc.RegItem;
import cn.lambdalib.util.mc.StackUtils;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.common.gameevent.TickEvent.PlayerTickEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;
import net.minecraftforge.common.MinecraftForge;

import java.util.HashMap;
import java.util.Map;

/**
 * 
 * @author KSkun
 */
@Registrant
public class ItemCoin extends ACItem {
    
    @RegItem.Render
    @SideOnly(Side.CLIENT)
    public static RendererCoinThrowing.ItemRender renderCoin;
    
    // Key: PlayerName
    static Map<String, EntityCoinThrowing> client = new HashMap(), server = new HashMap();
    
    public ItemCoin() {
        super("coin");
        setTextureName("academy:coin_front");
        FMLCommonHandler.instance().bus().register(this);
    }
    
    @SubscribeEvent
    public void onPlayerTick(PlayerTickEvent event) {
        EntityPlayer player = event.player;
        Map<String, EntityCoinThrowing> map = getMap(player);
        EntityCoinThrowing etc = getPlayerCoin(player);
        if(etc != null) {
            if(etc.isDead || 
                etc.worldObj.provider.dimensionId != player.worldObj.provider.dimensionId) {
                map.remove(player.getCommandSenderName());
            }
        }
    }

    @Override
    public ItemStack onItemRightClick(ItemStack stack, World world, EntityPlayer player) {
        if(getPlayerCoin(player) != null) {
            return stack;
        }

        //Spawn at both side, not syncing for render effect purpose
        EntityCoinThrowing etc = new EntityCoinThrowing(player, stack);
        world.spawnEntityInWorld(etc);
        
        player.playSound("academy:entity.flipcoin", 0.5F, 1.0F);
        setPlayerCoin(player, etc);
        
        MinecraftForge.EVENT_BUS.post(new CoinThrowEvent(player, etc));
        if(!player.capabilities.isCreativeMode) {
            --stack.stackSize;
        }
        return stack;
    }
    
    public static EntityCoinThrowing getPlayerCoin(EntityPlayer player) {
        EntityCoinThrowing etc = getMap(player).get(player.getCommandSenderName());
        if(etc != null && !etc.isDead)
            return etc;
        return null;
    }
    
    public static void setPlayerCoin(EntityPlayer player, EntityCoinThrowing etc) {
        Map<String, EntityCoinThrowing> map = getMap(player);
        map.put(player.getCommandSenderName(), etc);
    }
    
    private static Map<String, EntityCoinThrowing> getMap(EntityPlayer player) {
        return player.worldObj.isRemote ? client : server;
    }

}