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[1.7.2] Getting chest inventory


Destructor

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So, my tile entity can't get nearest chest inventory, my tile entity founds chest and reports that he found chest to chat, but he can't get this chest inventory. I want to my tile entity check chest inventory and if inside the chest is wooden axe it returns true. But it not working  :-[

Please help me.

And here is my code:

I don't know what here is wrong...

public void updateEntity(){
	super.updateEntity();

	if (shouldCut){
		if (hasTool()){
			chat.printChatMessage(new ChatComponentText("Tool found!"));
		}else{
			chat.printChatMessage(new ChatComponentText("Tool not found"));
		}
		shouldCut = false;
	}
}

public boolean hasTool(){
	for (int i = 1; i > -2; i--){
		for (int j = -1; j < 2; j++){
			if (this.worldObj.getBlock(this.xCoord + j, this.yCoord, this.zCoord + i) instanceof BlockChest){
				TileEntityChest te = (TileEntityChest) this.worldObj.getTileEntity(xCoord + j, yCoord, zCoord + i);
				IInventory teInv = null;
				teInv = (IInventory) te;
				int invSize = teInv.getSizeInventory();

				if (te != null){
					chat.printChatMessage(new ChatComponentText("Chest found!"));
				}

				for (int slot = 0; slot < invSize; slot++){
					if (te.getStackInSlot(slot) != null){
						Item slotItem = te.getStackInSlot(slot).getItem();
						if (slotItem == Items.wooden_axe){
							return true;
						}
					}
				}
			}
		}
	}
	return false;
}

 

It should work, but when I place wooden axe in nearest chest, it report that "Tool not found".

What's wrong with it?

 

It seems that "getStackInSlot()" always returns a null  ???

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