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I'm trying to add a new player stat (gold), and when I enter my world, put some coins in, leave, and re-enter the same world, my gold gets reset.

 

Am I doing something wrong?

 

PlayerStatsHandler

 

 

package terramagna.handlers;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;

import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.packet.Packet250CustomPayload;
import net.minecraft.world.World;
import net.minecraftforge.common.IExtendedEntityProperties;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.network.PacketDispatcher;
import cpw.mods.fml.common.network.Player;
import cpw.mods.fml.relauncher.Side;

public class PlayerStatsHandler implements IExtendedEntityProperties
{

public final static String EXT_PROP_NAME = "PlayerStats";

private final EntityPlayer player;

private int gold;

public PlayerStatsHandler(EntityPlayer player)
{

	this.player = player;
	this.gold = 0;

}

@Override
public void saveNBTData(NBTTagCompound compound)
{

	NBTTagCompound properties = new NBTTagCompound();

	properties.setInteger("Gold", this.gold);

	compound.setTag(EXT_PROP_NAME, properties);

}

@Override
public void loadNBTData(NBTTagCompound compound)
{

	NBTTagCompound properties = (NBTTagCompound) compound.getTag(EXT_PROP_NAME);

	this.gold = properties.getInteger("Gold");

}

@Override
public void init(Entity entity, World world)
{



}

public final void syncStatsProperties()
{

	ByteArrayOutputStream bos = new ByteArrayOutputStream(;
	DataOutputStream outputStream = new DataOutputStream(bos);

	try
	{

		outputStream.writeInt(this.gold);

	}
	catch(Exception e)
	{

		e.printStackTrace();

	}

	Packet250CustomPayload packet = new Packet250CustomPayload();
	packet.channel = "tmchannel";
	packet.data = bos.toByteArray();
	packet.length = bos.size();

	Side side = FMLCommonHandler.instance().getEffectiveSide();

	if (side == Side.SERVER) {
		EntityPlayerMP player1 = (EntityPlayerMP) player;
		PacketDispatcher.sendPacketToPlayer(packet, (Player) player1);
	}

}

public void spendGold(int amount)
{

	if(amount <= this.gold)
	{

		this.gold = this.gold - amount;

	}

}

public void addGold(int amount)
{

	this.gold = gold + amount;

}

public void setGold(int amount)
{

	this.gold = amount;

}

public int getGold()
{

	return this.gold;

}

}

 

 

 

EventHandler

 

 

package terramagna.handlers;

import terramagna.ServerProxy;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;
import net.minecraftforge.event.ForgeSubscribe;
import net.minecraftforge.event.entity.EntityEvent.EntityConstructing;
import net.minecraftforge.event.entity.EntityJoinWorldEvent;
import net.minecraftforge.event.entity.living.LivingDeathEvent;

public class EventHandler
{

@ForgeSubscribe
public void onEntityConstructing(EntityConstructing event)
{

	if (event.entity instanceof EntityPlayer && event.entity.getExtendedProperties(PlayerStatsHandler.EXT_PROP_NAME) == null)
	{

		event.entity.registerExtendedProperties(PlayerStatsHandler.EXT_PROP_NAME, new PlayerStatsHandler((EntityPlayer)event.entity));

	}

}

@ForgeSubscribe
public void onEntityJoinWorld(EntityJoinWorldEvent event)
{

	if (!event.entity.worldObj.isRemote && event.entity instanceof EntityPlayer)
	{
		NBTTagCompound playerData = ServerProxy.getEntityData(((EntityPlayer) event.entity).username);
		if (playerData != null)
		{
			((PlayerStatsHandler)(event.entity.getExtendedProperties(PlayerStatsHandler.EXT_PROP_NAME))).loadNBTData(playerData);
		}
		((PlayerStatsHandler)(event.entity.getExtendedProperties(PlayerStatsHandler.EXT_PROP_NAME))).syncStatsProperties();
	}

}

@ForgeSubscribe
public void onLivingDeathEvent(LivingDeathEvent event)
{

	if(!event.entity.worldObj.isRemote && event.entity instanceof EntityPlayer)
	{

		NBTTagCompound playerData = new NBTTagCompound();
		((PlayerStatsHandler)(event.entity.getExtendedProperties(PlayerStatsHandler.EXT_PROP_NAME))).saveNBTData(playerData);
		ServerProxy.storeEntityData(((EntityPlayer) event.entity).username, playerData);

	}

}

}

 

 

 

PacketHandlerC

 

 

package terramagna.handlers;

import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.network.INetworkManager;
import net.minecraft.network.packet.Packet250CustomPayload;
import cpw.mods.fml.common.network.IPacketHandler;
import cpw.mods.fml.common.network.Player;

public class PacketHandlerC implements IPacketHandler
{

public PacketHandlerC() {}

@Override
public void onPacketData(INetworkManager manager, Packet250CustomPayload packet, Player player)
{

	if(packet.channel.equals("tmchannel"))
	{

		handleExtendedProperties(packet, player);

	}

}

private void handleExtendedProperties(Packet250CustomPayload packet, Player player)
{
	DataInputStream inputStream = new DataInputStream(new ByteArrayInputStream(packet.data));

	PlayerStatsHandler props = ((PlayerStatsHandler)((EntityPlayer) player).getExtendedProperties(PlayerStatsHandler.EXT_PROP_NAME));

	try {
		props.setGold(inputStream.readInt());
	} catch (IOException e) {
		e.printStackTrace();
		return;
	}
}

}

 

 

Kain

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