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onBlockActivated opengui i got tilenentity = null


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public boolean onBlockActivated(World world, int i, int j, int k, EntityPlayer entityplayer, int a, float b, float x, float y){

    TileEntityiTrade tileEntity = (TileEntityiTrade) world.getBlockTileEntity(i, j, k);

if (tileEntity == null) return false;

entityplayer.openGui(iCraftMain.instance, 1, world, i, k, k);

return true;

}

 

Gui Handler

 

package iCraft.Gui;

 

import iCraft.Client.EnumGui;

import iCraft.Packet.Handler.TileEntityiTrade;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.tileentity.TileEntity;

import net.minecraft.world.World;

import cpw.mods.fml.common.network.IGuiHandler;

 

public class iGuiHandler implements IGuiHandler{

 

@Override

public Object getServerGuiElement(int ID, EntityPlayer player, World world,

int x, int y, int z) {

TileEntity tileEntity = world.getBlockTileEntity(x, y, z);

if(ID == 1)

{

if(tileEntity instanceof TileEntityiTrade)

{

return new ContaineriTrade(player.inventory, (TileEntityiTrade) tileEntity,ID,player);

}

}

return null;

}

 

 

 

@Override

public Object getClientGuiElement(int ID, EntityPlayer player, World world,

int x, int y, int z) {

TileEntity tileEntity = world.getBlockTileEntity(x, y, z);

if(ID == 1)

{

System.out.println("Tile : "+tileEntity);

if(tileEntity instanceof TileEntityiTrade)

{

return new GuiiTradeOwner(player.inventory, (TileEntityiTrade) tileEntity,ID,player);

}

}

return null;

}

 

}

 

If player right click[ Player place the block ]

Gui can open it

But if !playerowner gui can't open it

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