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[1.7.10] Get Access To NBT From A Different Class

Bugzoo

By Bugzoo
in Modder Support

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Bugzoo Diamond Finder

Bugzoo

Posted
Posted

I want to use the NBT I have made in one class, in another, how would I do this and here is my code

 

NBT

 

  Reveal hidden contents

 

 

GUI

 

 

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Bugzoo Diamond Finder

Bugzoo

Posted
  • Author
Posted
  On 11/2/2014 at 11:49 AM, diesieben07 said:

Grmbl, you still have 

UniquePin

and 

balance

as fields in your Item class. This does not work! You have to use the ItemStack every time you want to access those values. You cannot store them in the Item class.

 

For accessing those values from your Gui: Use the ItemStack, just like you do in your Item class already. For writing values to it from a Gui you will need packets though, as a Gui is client-only and you cannot change things in the world/in inventories/etc. from the client.

 

So like this?

itemStack.stackTagCompound = new NBTTagCompound();
	    	 itemStack.stackTagCompound.setString("owner", player.getDisplayName());
	    	 itemStack.stackTagCompound.setInteger("pin", 1000 + (int)(Math.random()*9999));

Bugzoo Diamond Finder

Bugzoo

Posted
  • Author
Posted
  On 11/2/2014 at 12:28 PM, diesieben07 said:

That would overwrite any previous data, yes. I suggest you only create a new NBTTagCompound if stackTagCompound is null, to avoid overwriting any previous data like e.g. Enchantments.

Also you should not store the display name. It potentially includes stuff like color codes and stuff. Use the UUID for the player, as Mojang will soon allow username changes.

 

So, how would I get the pin into my gui class, I used this but it gave me a null pointer

if(enteredPin.equals(itemstack.stackTagCompound.getString("pin")))

larsgerrits Reality Controller

larsgerrits

Posted
Posted

Either 

enteredPin

, 

itemstack

or 

stackTagCompound

null. Put a breakpoint on that line so you can see which was is null.

Don't PM me with questions. They will be ignored! Make a thread on the appropriate board for support.

 

1.12 -> 1.13 primer by williewillus.

 

1.7.10 and older versions of Minecraft are no longer supported due to it's age! Update to the latest version for support.

 

http://www.howoldisminecraft1710.today/

Bugzoo Diamond Finder

Bugzoo

Posted
  • Author
Posted
  On 11/2/2014 at 12:38 PM, larsgerrits said:

Either 

enteredPin

, 

itemstack

or 

stackTagCompound

null. Put a breakpoint on that line so you can see which was is null.

 

Here is the whole class. I think that the itemstack might be null

package com.bugzoo.FinancialMod;

import java.io.IOException;

import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ResourceLocation;

import org.lwjgl.opengl.GL11;



public class ATMPinGUI extends GuiContainer{
public final int xSizeBackground1 = 232;
public final int ySizeBackground1 = 240;

private String enteredPin = "";
private String underScore = "";
private int tick = 0;

public ItemStack itemstack;


public final int guiX = (this.width - xSizeBackground1) / 2;
public final int guiY = (this.height - xSizeBackground1) / 2;

public ResourceLocation background1 = new ResourceLocation("financialmod", "textures/gui/ATM.png");


public ATMPinGUI(InventoryPlayer player, TileEntityATM atm){
	super(new ContainerATM(player, atm));
}


public void initGui(){
	buttonList.clear();
	buttonList.add(new ATMButton(1, guiLeft + 181, guiTop + 149, 24, 15, "1")); // 1
    	buttonList.add(new ATMButton(2, guiLeft + 213, guiTop + 149, 24, 15, "2")); // 2
    	buttonList.add(new ATMButton(3, guiLeft + 245, guiTop + 149, 24, 15, "3")); // 3
    	buttonList.add(new ATMRedButton(4, guiLeft + 281, guiTop + 149, 24, 15, "")); // Cancel
    	buttonList.add(new ATMButton(5, guiLeft + 181, guiTop + 173, 24, 15, "4")); // 4
    	buttonList.add(new ATMButton(6, guiLeft + 213, guiTop + 173, 24, 15, "5")); // 5
    	buttonList.add(new ATMButton(7, guiLeft + 245, guiTop + 173, 24, 15, "6")); // 6
    	buttonList.add(new ATMYellowButton(8, guiLeft + 281, guiTop + 173, 24, 15, "")); // Clear
    	buttonList.add(new ATMButton(9, guiLeft + 181, guiTop + 197, 24, 15, "7")); // 7
    	buttonList.add(new ATMButton(10, guiLeft + 213, guiTop + 197, 24, 15, "8")); // 8
    	buttonList.add(new ATMButton(11, guiLeft + 245, guiTop + 197, 24, 15, "9")); // 9
    	buttonList.add(new ATMConfirmButton(12, guiLeft + 281, guiTop + 197, 24, 15, "")); // Confirm
    	buttonList.add(new ATMButton(13, guiLeft + 213, guiTop + 221, 24, 15, "0")); // 0

    	buttonList.add(new ATMLeftButton(14, guiLeft + 130, guiTop + 33, 24, 15, "")); //Top-Left
    	buttonList.add(new ATMLeftButton(15, guiLeft + 130, guiTop + 60, 24, 15, "")); //Mid-Upper Left
    	buttonList.add(new ATMLeftButton(16, guiLeft + 130, guiTop + 87, 24, 15, "")); //Mid-Lower Left
    	buttonList.add(new ATMLeftButton(17, guiLeft + 130, guiTop + 114, 24, 15, "")); //Bottom Left
    	
    	buttonList.add(new ATMRightButton(18, guiLeft + 325, guiTop + 33, 24, 15, "")); //Top-Right
    	buttonList.add(new ATMRightButton(19, guiLeft + 325, guiTop + 60, 24, 15, "")); //Mid-Upper Right
    	buttonList.add(new ATMRightButton(20, guiLeft + 325, guiTop + 87, 24, 15, "")); //Mid-Lower Right
    	buttonList.add(new ATMRightButton(21, guiLeft + 325, guiTop + 114, 24, 15, "")); //Bottom Right

}

public void actionPerformed(GuiButton guibutton){
	if(guibutton.id==1){
		enteredPin = enteredPin + "1";
		System.out.println(enteredPin);
	}
	if(guibutton.id==2){
		enteredPin = enteredPin + "2";
		System.out.println(enteredPin);
	}
	if(guibutton.id==3){
		enteredPin = enteredPin + "3";
		System.out.println(enteredPin);
	}
	if(guibutton.id==4){
		this.enteredPin = "";
	}
	if(guibutton.id==5){
		enteredPin = enteredPin + "4";
		System.out.println(enteredPin);
	}
	if(guibutton.id==6){
		enteredPin = enteredPin + "5";
		System.out.println(enteredPin);
	}
	if(guibutton.id==7){
		enteredPin = enteredPin + "6";
		System.out.println(enteredPin);
	}
	if(guibutton.id=={


		/*String URL = "https://www.google.co.uk/search?q=atm+screen&client=firefox-a&hs=KRv&rls=org.mozilla:en-GB:official&channel=np&tbm=isch&imgil=4qxgegDeEWCSaM%253A%253BMH8IbcHAhg9-3M%253Bhttps%25253A%25252F%25252Fsufiazamir.wordpress.com%25252Ftag%25252Fatm-screens%25252F&source=iu&pf=m&fir=4qxgegDeEWCSaM%253A%252CMH8IbcHAhg9-3M%252C_&usg=__0fIcaFRq-6p0shy1i8dW3VNWoa4%3D&biw=1536&bih=755&ved=0CC4Qyjc&ei=MRlWVPz-FOat7AaP04HwCw#facrc=_&imgdii=_&imgrc=Hxd6rXd8p_O0NM%253A%3B4r3sPIEVxepLfM%3Bhttp%253A%252F%252Fzesty.ca%252Flj%252Flusaka-atm-3.jpg%3Bhttp%253A%252F%252Fzestyping.livejournal.com%252F251102.html%3B400%3B300";
		try {
			java.awt.Desktop.getDesktop().browse(java.net.URI.create(URL));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		*/
	}
	if(guibutton.id==9){
		enteredPin = enteredPin + "7";
		System.out.println(enteredPin);
	}
	if(guibutton.id==10){
		enteredPin = enteredPin + "8";
		System.out.println(enteredPin);
	}
	if(guibutton.id==11){
		enteredPin = enteredPin + "9";
		System.out.println(enteredPin);
	}
	if(guibutton.id==12){
		if(enteredPin.equals(itemstack.stackTagCompound.getString("pin"))){

		}
	}
}


public boolean doesGuiPauseGame(){
	return false;
}

public void drawScreen(int i, int j, float f){



	//Background Texture
	GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        this.mc.getTextureManager().bindTexture(background1);
        int k1 = (this.width - this.xSizeBackground1) / 2;
        int l1 = (this.height - this.ySizeBackground1) / 2;
        this.drawTexturedModalRect(k1, l1, 0, 0, this.xSizeBackground1, this.ySizeBackground1);
        
        String underScore = "";
    	if (tick < 60) {
    		tick++;
    	} else if (tick >= 60) {
    		tick = 0;
    	}
    	
    	if (tick < 30) {
    		underScore = "_";
    	}
    	
    	if (enteredPin.length() == 1) {
		drawString(fontRendererObj, "*" + underScore, width - 295, 90, 0xff00);
	} else if (enteredPin.length() == 2) {
		drawString(fontRendererObj, "**" + underScore, width - 295, 90, 0xff00);
	} else if (enteredPin.length() == 3) {
		drawString(fontRendererObj, "***" + underScore, width - 295, 90, 0xff00);
	} else if (enteredPin.length() >= 4) {
		drawString(fontRendererObj, "****" + underScore, width - 295, 90, 0xff00);
	}
        
        this.drawCenteredString(fontRendererObj, "Welcome!", width/2, 45, 0xff00);
        this.drawString(fontRendererObj, "Please Enter Your Pin", width - 295, 60, 0xff00);
        if(enteredPin.length() == 0){
        this.drawString(fontRendererObj, underScore, width - 295, 90, 0xff00);
        }
        super.drawScreen(i, j, f); 
}


@Override
protected void drawGuiContainerBackgroundLayer(float p_146976_1_,
		int p_146976_2_, int p_146976_3_) {


}
}

Bugzoo Diamond Finder

Bugzoo

Posted
  • Author
Posted
  On 11/2/2014 at 12:52 PM, larsgerrits said:

Yeah, you don't set the 

itemstack

variable anywhere, so how would you expect it to not be null?

 

Ok, so what should I set the itemstack equal to?

ItemStack itemstack = null;
itemstack.stackTagCompound = new NBTTagCompound();
		if(enteredPin.equals(itemstack.stackTagCompound.getString("pin"))){
			System.out.println("The Right Pin!");
		}

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