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[1.7.10] [Solved] Gui Crashing Game!

Awesome_Spider

By Awesome_Spider
in Modder Support

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Awesome_Spider Dragon Slayer

Awesome_Spider

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My gui was working fine but now it crashes the game when I open it. Here is the crash report:

net.minecraft.util.ReportedException: Updating screen events
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1734) ~[Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1028) ~[Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:951) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:164) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_11]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_11]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_11]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_11]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78) [start/:?]
at GradleStart.main(GradleStart.java:45) [start/:?]
Caused by: java.lang.NullPointerException
at net.minecraft.client.gui.inventory.GuiContainer.getSlotAtPosition(GuiContainer.java:330) ~[GuiContainer.class:?]
at net.minecraft.client.gui.inventory.GuiContainer.mouseMovedOrUp(GuiContainer.java:502) ~[GuiContainer.class:?]
at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:354) ~[GuiScreen.class:?]
at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:313) ~[GuiScreen.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1720) ~[Minecraft.class:?]
... 11 more
[21:25:04] [Client thread/INFO] [sTDOUT]: [net.minecraft.client.Minecraft:displayCrashReport:388]: ---- Minecraft Crash Report ----
// Oops.

Time: 12/5/14 9:25 PM
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
at net.minecraft.client.gui.inventory.GuiContainer.getSlotAtPosition(GuiContainer.java:330)
at net.minecraft.client.gui.inventory.GuiContainer.mouseMovedOrUp(GuiContainer.java:502)
at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:354)
at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:313)
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1720)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1028)
at net.minecraft.client.Minecraft.run(Minecraft.java:951)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78)
at GradleStart.main(GradleStart.java:45)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at net.minecraft.client.gui.inventory.GuiContainer.getSlotAtPosition(GuiContainer.java:330)
at net.minecraft.client.gui.inventory.GuiContainer.mouseMovedOrUp(GuiContainer.java:502)
at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:354)
at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:313)

-- Affected screen --
Details:
Screen name: com.awsp8.wizardry.gui.ArcaneHarnesserGui

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['Player622'/302, l='MpServer', x=149.94, y=67.62, z=-152.04]]
Chunk stats: MultiplayerChunkCache: 289, 289
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: 
Level spawn location: World: (149,64,-154), Chunk: (at 5,4,6 in 9,-10; contains blocks 144,0,-160 to 159,255,-145), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 107838 game time, 6637 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 105 total; [ArcanePowerMatrix['entity.powerMatrix.name'/525, l='MpServer', x=0.00, y=0.00, z=0.00], ArcanePowerMatrix['entity.powerMatrix.name'/541, l='MpServer', x=0.00, y=0.00, z=0.00], ArcanePowerMatrix['entity.powerMatrix.name'/543, l='MpServer', x=0.00, y=0.00, z=0.00], EntityClientPlayerMP['Player622'/302, l='MpServer', x=149.94, y=67.62, z=-152.04], ArcanePowerMatrix['entity.powerMatrix.name'/560, l='MpServer', x=0.00, y=0.00, z=0.00], ArcanePowerMatrix['entity.powerMatrix.name'/564, l='MpServer', x=0.00, y=0.00, z=0.00], ArcanePowerMatrix['entity.powerMatrix.name'/571, l='MpServer', x=0.00, y=0.00, z=0.00], EntityCow['Cow'/64, l='MpServer', x=75.47, y=68.00, z=-225.53], EntitySheep['Sheep'/71, l='MpServer', x=90.81, y=65.00, z=-224.50], EntitySheep['Sheep'/72, l='MpServer', x=82.24, y=66.00, z=-223.50], EntitySheep['Sheep'/73, l='MpServer', x=92.91, y=69.00, z=-187.94], ArcanePowerMatrix['entity.powerMatrix.name'/590, l='MpServer', x=0.00, y=0.00, z=0.00], EntitySheep['Sheep'/81, l='MpServer', x=100.47, y=68.00, z=-191.84], EntitySheep['Sheep'/82, l='MpServer', x=95.34, y=70.00, z=-194.81], ArcanePowerMatrix['entity.powerMatrix.name'/605, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/100, l='MpServer', x=140.72, y=40.10, z=-156.72], EntitySheep['Sheep'/101, l='MpServer', x=136.19, y=62.04, z=-152.25], EntitySkeleton['Skeleton'/107, l='MpServer', x=133.13, y=40.00, z=-132.38], EntitySkeleton['Skeleton'/108, l='MpServer', x=132.41, y=39.00, z=-129.84], EntityZombie['Zombie'/109, l='MpServer', x=139.53, y=47.00, z=-136.09], EntitySkeleton['Skeleton'/118, l='MpServer', x=142.09, y=18.00, z=-89.50], EntitySpider['Spider'/119, l='MpServer', x=140.72, y=19.00, z=-89.66], EntitySheep['Sheep'/128, l='MpServer', x=155.13, y=63.00, z=-210.91], EntityZombie['Zombie'/129, l='MpServer', x=143.88, y=21.00, z=-199.41], EntityCreeper['Creeper'/130, l='MpServer', x=151.69, y=22.00, z=-180.56], EntityZombie['Zombie'/131, l='MpServer', x=150.63, y=23.00, z=-180.75], EntityZombie['Zombie'/132, l='MpServer', x=145.50, y=24.00, z=-189.50], EntityZombie['Zombie'/133, l='MpServer', x=146.00, y=23.00, z=-179.56], EntityBat['Bat'/134, l='MpServer', x=147.69, y=38.10, z=-160.63], EntityCreeper['Creeper'/135, l='MpServer', x=158.50, y=48.00, z=-168.06], EntityBat['Bat'/136, l='MpServer', x=153.95, y=30.00, z=-159.00], EntityBat['Bat'/137, l='MpServer', x=156.25, y=46.10, z=-144.44], ArcanePowerMatrix['entity.powerMatrix.name'/393, l='MpServer', x=0.00, y=0.00, z=0.00], EntitySkeleton['Skeleton'/138, l='MpServer', x=159.25, y=41.00, z=-154.97], EntitySkeleton['Skeleton'/139, l='MpServer', x=164.31, y=36.00, z=-155.31], EntityCreeper['Creeper'/140, l='MpServer', x=157.97, y=32.00, z=-153.38], EntitySkeleton['Skeleton'/141, l='MpServer', x=149.93, y=47.00, z=-146.49], ArcanePowerMatrix['entity.powerMatrix.name'/397, l='MpServer', x=0.00, y=0.00, z=0.00], EntitySheep['Sheep'/143, l='MpServer', x=159.50, y=64.00, z=-159.50], ArcanePowerMatrix['entity.powerMatrix.name'/409, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/155, l='MpServer', x=156.25, y=46.10, z=-143.47], EntitySkeleton['Skeleton'/156, l='MpServer', x=155.50, y=42.00, z=-140.13], ArcanePowerMatrix['entity.powerMatrix.name'/412, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/157, l='MpServer', x=145.75, y=47.10, z=-128.50], ArcanePowerMatrix['entity.powerMatrix.name'/413, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/158, l='MpServer', x=152.47, y=48.10, z=-129.47], ArcanePowerMatrix['entity.powerMatrix.name'/419, l='MpServer', x=0.00, y=0.00, z=0.00], EntityZombie['Zombie'/170, l='MpServer', x=147.97, y=43.00, z=-118.56], EntityBat['Bat'/171, l='MpServer', x=142.85, y=42.00, z=-119.20], EntitySkeleton['Skeleton'/172, l='MpServer', x=150.50, y=15.00, z=-106.50], ArcanePowerMatrix['entity.powerMatrix.name'/428, l='MpServer', x=0.00, y=0.00, z=0.00], EntityCreeper['Creeper'/173, l='MpServer', x=147.50, y=14.00, z=-105.50], EntityCreeper['Creeper'/174, l='MpServer', x=146.00, y=13.00, z=-101.44], EntitySpider['Spider'/175, l='MpServer', x=145.28, y=18.00, z=-97.25], ArcanePowerMatrix['entity.powerMatrix.name'/433, l='MpServer', x=0.00, y=0.00, z=0.00], EntitySheep['Sheep'/178, l='MpServer', x=168.81, y=66.00, z=-206.13], EntitySkeleton['Skeleton'/179, l='MpServer', x=168.50, y=24.00, z=-176.50], EntityCreeper['Creeper'/180, l='MpServer', x=172.50, y=15.00, z=-194.69], ArcanePowerMatrix['entity.powerMatrix.name'/436, l='MpServer', x=0.00, y=0.00, z=0.00], EntityCreeper['Creeper'/181, l='MpServer', x=171.50, y=16.00, z=-186.50], EntityCreeper['Creeper'/182, l='MpServer', x=173.00, y=15.00, z=-190.44], EntityBat['Bat'/183, l='MpServer', x=161.16, y=19.10, z=-163.31], EntityZombie['Zombie'/184, l='MpServer', x=168.50, y=24.00, z=-162.50], EntityZombie['Zombie'/185, l='MpServer', x=161.88, y=43.00, z=-163.63], EntitySpider['Spider'/186, l='MpServer', x=160.00, y=41.00, z=-160.16], EntityCreeper['Creeper'/187, l='MpServer', x=168.53, y=51.00, z=-174.88], EntityCreeper['Creeper'/188, l='MpServer', x=164.00, y=50.00, z=-172.44], EntitySkeleton['Skeleton'/189, l='MpServer', x=166.84, y=51.00, z=-175.59], EntityZombie['Zombie'/190, l='MpServer', x=163.53, y=43.69, z=-163.61], EntitySheep['Sheep'/191, l='MpServer', x=167.50, y=64.00, z=-160.59], EntitySkeleton['Skeleton'/192, l='MpServer', x=162.47, y=11.00, z=-159.16], ArcanePowerMatrix['entity.powerMatrix.name'/448, l='MpServer', x=0.00, y=0.00, z=0.00], EntityZombie['Zombie'/193, l='MpServer', x=162.31, y=38.00, z=-157.69], EntityZombie['Zombie'/194, l='MpServer', x=164.69, y=36.00, z=-156.59], EntityEnderman['Enderman'/195, l='MpServer', x=164.69, y=36.00, z=-154.31], EntitySkeleton['Skeleton'/196, l='MpServer', x=163.25, y=38.00, z=-157.38], EntitySkeleton['Skeleton'/197, l='MpServer', x=175.09, y=64.00, z=-155.50], EntityBat['Bat'/198, l='MpServer', x=163.13, y=46.10, z=-134.63], EntityBat['Bat'/199, l='MpServer', x=161.25, y=46.10, z=-134.56], EntityBat['Bat'/200, l='MpServer', x=159.25, y=43.00, z=-127.72], EntityBat['Bat'/201, l='MpServer', x=172.36, y=31.00, z=-123.50], EntityCreeper['Creeper'/205, l='MpServer', x=186.50, y=14.00, z=-210.78], EntityCreeper['Creeper'/206, l='MpServer', x=186.50, y=14.00, z=-209.94], EntitySkeleton['Skeleton'/207, l='MpServer', x=186.03, y=15.00, z=-207.50], EntityCreeper['Creeper'/208, l='MpServer', x=187.69, y=14.00, z=-214.03], EntityZombie['Zombie'/209, l='MpServer', x=182.50, y=17.00, z=-195.50], ArcanePowerMatrix['entity.powerMatrix.name'/465, l='MpServer', x=0.00, y=0.00, z=0.00], EntityZombie['Zombie'/215, l='MpServer', x=186.50, y=17.00, z=-199.96], EntityZombie['Zombie'/216, l='MpServer', x=200.50, y=64.00, z=-202.50], EntityCreeper['Creeper'/217, l='MpServer', x=205.50, y=20.00, z=-183.50], EntityCreeper['Creeper'/218, l='MpServer', x=204.50, y=20.00, z=-183.50], EntityZombie['Zombie'/219, l='MpServer', x=206.66, y=20.32, z=-185.66], EntitySheep['Sheep'/220, l='MpServer', x=199.94, y=63.00, z=-184.06], EntityZombie['Zombie'/225, l='MpServer', x=226.13, y=26.00, z=-229.34], EntityCreeper['Creeper'/229, l='MpServer', x=221.50, y=22.00, z=-207.50], EntitySkeleton['Skeleton'/230, l='MpServer', x=224.50, y=22.00, z=-206.03], EntityZombie['Zombie'/231, l='MpServer', x=224.00, y=19.00, z=-207.44], EntityCreeper['Creeper'/232, l='MpServer', x=215.50, y=31.00, z=-168.72], EntityBat['Bat'/233, l='MpServer', x=211.01, y=31.84, z=-147.52], EntityZombie['Zombie'/237, l='MpServer', x=227.13, y=26.00, z=-226.06], EntitySpider['Spider'/238, l='MpServer', x=229.91, y=33.00, z=-214.09], EntitySpider['Spider'/239, l='MpServer', x=229.44, y=11.00, z=-202.19], ArcanePowerMatrix['entity.powerMatrix.name'/495, l='MpServer', x=0.00, y=0.00, z=0.00], EntitySkeleton['Skeleton'/240, l='MpServer', x=224.50, y=22.00, z=-206.97], EntityZombie['Zombie'/241, l='MpServer', x=224.50, y=21.00, z=-197.50]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.addWorldInfoToCrashReport(WorldClient.java:415)
at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2555)
at net.minecraft.client.Minecraft.run(Minecraft.java:973)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78)
at GradleStart.main(GradleStart.java:45)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (x86) version 6.3
Java Version: 1.8.0_11, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 763148048 bytes (727 MB) / 1046937600 bytes (998 MB) up to 1046937600 bytes (998 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.85.1232 Minecraft Forge 10.13.2.1232 4 mods loaded, 4 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.85.1232} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.2.1232.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.2.1232} [Minecraft Forge] (forgeSrc-1.7.10-10.13.2.1232.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
wizardry{1.0.0} [Wizardry] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics GL version 4.0.0 - Build 10.18.10.3349, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)
[21:25:04] [Client thread/INFO] [sTDOUT]: [net.minecraft.client.Minecraft:displayCrashReport:398]: #@!@# Game crashed! Crash report saved to: #@!@# C:\Users\Wyatt\Desktop\Mods\1.7.10\Wizardry\eclipse\.\crash-reports\crash-2014-12-05_21.25.04-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

 

It's a NullPointer which is usually easy to fix, but it doesn't mention any of my classes in the stack trace so I have no idea.

 

Here is my code:

 

 

My gui class:

package com.awsp8.wizardry.gui;

import com.awsp8.wizardry.Arcane.Blocks.TileEntityArcaneHarnesser;

import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ContainerFurnace;
import net.minecraft.tileentity.TileEntityFurnace;
import net.minecraft.util.ResourceLocation;

public class ArcaneHarnesserGui 
			extends GuiContainer{

private TileEntityArcaneHarnesser tileEntity;

public ArcaneHarnesserGui(InventoryPlayer inv, TileEntityArcaneHarnesser tileEntity) {
	super(null);
	this.tileEntity = tileEntity;
}

public static final int GUI_ID = 20;

private static final ResourceLocation guiTexture = new ResourceLocation("wizardry", "/textures/gui/arcaneHarnesserGui.png");

private int ImageWidth = 176;
    private int ImageHeight = 166;
    
    @Override
    public void drawScreen(int x, int y, float par3){ 	
        int k = (this.width - this.ImageWidth) / 2;
        byte b0 = 2;
    	
        this.mc.getTextureManager().bindTexture(guiTexture);                                  
        
    	this.drawTexturedModalRect(k, b0, 0, 0, this.ImageWidth, this.ImageHeight);   
    }

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

}
}

 

My TileEntity:

package com.awsp8.wizardry.Arcane.Blocks;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;

public class TileEntityArcaneHarnesser extends TileEntity implements IInventory {

    private ItemStack[] inv;

    public TileEntityArcaneHarnesser(){
            inv = new ItemStack[9];
    }
    
    @Override
    public int getSizeInventory() {
            return inv.length;
    }

    @Override
    public ItemStack getStackInSlot(int slot) {
            return inv[slot];
    }
    
    @Override
    public void setInventorySlotContents(int slot, ItemStack stack) {
            inv[slot] = stack;
            if (stack != null && stack.stackSize > getInventoryStackLimit()) {
                    stack.stackSize = getInventoryStackLimit();
            }               
    }

    @Override
    public ItemStack decrStackSize(int slot, int amt) {
            ItemStack stack = getStackInSlot(slot);
            if (stack != null) {
                    if (stack.stackSize <= amt) {
                            setInventorySlotContents(slot, null);
                    } else {
                            stack = stack.splitStack(amt);
                            if (stack.stackSize == 0) {
                                    setInventorySlotContents(slot, null);
                            }
                    }
            }
            return stack;
    }

    @Override
    public ItemStack getStackInSlotOnClosing(int slot) {
            ItemStack stack = getStackInSlot(slot);
            if (stack != null) {
                    setInventorySlotContents(slot, null);
            }
            return stack;
    }
    
    @Override
    public int getInventoryStackLimit() {
            return 64;
    }

    @Override
    public boolean isUseableByPlayer(EntityPlayer player) {
            return worldObj.getTileEntity(xCoord, yCoord, zCoord) == this &&
            player.getDistanceSq(xCoord + 0.5, yCoord + 0.5, zCoord + 0.5) < 64;
    }
    
    @Override
    public void readFromNBT(NBTTagCompound tagCompound) {
            super.readFromNBT(tagCompound);
            
            NBTTagList tagList = tagCompound.getTagList("Inventory", 1);
            for (int i = 0; i < tagList.tagCount(); i++) {
                    NBTTagCompound tag = (NBTTagCompound) tagList.getCompoundTagAt(i);
                    byte slot = tag.getByte("Slot");
                    if (slot >= 0 && slot < inv.length) {
                            inv[slot] = ItemStack.loadItemStackFromNBT(tag);
                    }
            }
    }

    @Override
    public void writeToNBT(NBTTagCompound tagCompound) {
            super.writeToNBT(tagCompound);
                            
            NBTTagList itemList = new NBTTagList();
            for (int i = 0; i < inv.length; i++) {
                    ItemStack stack = inv[i];
                    if (stack != null) {
                            NBTTagCompound tag = new NBTTagCompound();
                            tag.setByte("Slot", (byte) i);
                            stack.writeToNBT(tag);
                            itemList.appendTag(tag);
                    }
            }
            tagCompound.setTag("Inventory", itemList);
    }


@Override
public String getInventoryName() {
	return "wizardry.arcane.harnesser";
}

@Override
public boolean hasCustomInventoryName() {
	return false;
}

@Override
public void openInventory() {

}

@Override
public void closeInventory() {

}

@Override
public boolean isItemValidForSlot(int p_94041_1_,
				ItemStack p_94041_2_) {
	return true;
}
}

 

My Container class:

package com.awsp8.wizardry.Arcane.Blocks;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;

public class ContainerArcaneHarnesser
			extends Container{

TileEntityArcaneHarnesser tileEntity;

public ContainerArcaneHarnesser(InventoryPlayer inv, TileEntityArcaneHarnesser tileHarnesser)
    {
        tileEntity = tileHarnesser;
	addSlotToContainer(new Slot(tileEntity, 0, 80, 35));
	bindPlayerInventory(inv);
    }

@Override
public boolean canInteractWith(EntityPlayer player) {
	return this.tileEntity.isUseableByPlayer(player);
}

protected void bindPlayerInventory(InventoryPlayer inventoryPlayer) {
	for (int i = 0; i < 3; i++) {
		for (int j = 0; j < 9; j++) {
			addSlotToContainer(new Slot(inventoryPlayer, j + i * 9 + 9, 8 + j * 18, 84 + i * 18));
		}
	}

	for (int i = 0; i < 9; i++) {
		addSlotToContainer(new Slot(inventoryPlayer, i, 8 + i * 18, 142));
	}
}

@Override
public ItemStack transferStackInSlot(EntityPlayer player, int slot) {
	ItemStack stack = null;
	Slot slotObject = (Slot) inventorySlots.get(slot);

	//null checks and checks if the item can be stacked (maxStackSize > 1)
	if (slotObject != null && slotObject.getHasStack()) {
		ItemStack stackInSlot = slotObject.getStack();
		stack = stackInSlot.copy();

		//merges the item into player inventory since its in the tileEntity
		if (slot < 9) {
			if (!this.mergeItemStack(stackInSlot, 0, 35, true)) {
				return null;
			}
		}
		//places it into the tileEntity is possible since its in the player inventory
		else if (!this.mergeItemStack(stackInSlot, 0, 9, false)) {
			return null;
		}

		if (stackInSlot.stackSize == 0) {
			slotObject.putStack(null);
		} else {
			slotObject.onSlotChanged();
		}

		if (stackInSlot.stackSize == stack.stackSize) {
			return null;
		}
		slotObject.onPickupFromSlot(player, stackInSlot);
	}
	return stack;
}

@Override
protected boolean mergeItemStack(ItemStack itemstack, int i, int j, boolean flag) {
	// The default implementation in Slot doesn't take into account the Slot.isItemValid() and Slot.getSlotStackLimit() values.
	// So here is a modified implementation. I have only modified the parts with a comment.

	boolean flag1 = false;
	int k = i;
	if (flag) {
		k = j - 1;
	}
	if (itemstack.isStackable()) {
		while (itemstack.stackSize > 0 && (!flag && k < j || flag && k >= i)) {
			Slot slot = (Slot)inventorySlots.get(k);
			ItemStack itemstack1 = slot.getStack();

			if (flag) {
				k--;
			}
			else {
				k++;
			}

			// Check if item is valid:
			if (!slot.isItemValid(itemstack)) {
				continue;
			}

			if (itemstack1 != null && itemstack1.getItem() == itemstack.getItem() && (!itemstack.getHasSubtypes() || itemstack.getItemDamage() == itemstack1.getItemDamage())
					&& ItemStack.areItemStackTagsEqual(itemstack, itemstack1)) {
				//ItemStack.areItemStacksEqual(par0ItemStack, par1ItemStack)
				//ItemStack.areItemStackTagsEqual(par0ItemStack, par1ItemStack)
				int i1 = itemstack1.stackSize + itemstack.stackSize;

				// Don't put more items than the slot can take:
				int maxItemsInDest = Math.min(itemstack1.getMaxStackSize(), slot.getSlotStackLimit());

				if (i1 <= maxItemsInDest) {
					itemstack.stackSize = 0;
					itemstack1.stackSize = i1;
					slot.onSlotChanged();
					flag1 = true;
				}
				else if (itemstack1.stackSize < maxItemsInDest) {
					itemstack.stackSize -= maxItemsInDest - itemstack1.stackSize;
					itemstack1.stackSize = maxItemsInDest;
					slot.onSlotChanged();
					flag1 = true;
				}
			}

		}
	}
	if (itemstack.stackSize > 0) {
		int l;
		if (flag) {
			l = j - 1;
		}
		else {
			l = i;
		}
		do {
			if ((flag || l >= j) && (!flag || l < i)) {
				break;
			}
			Slot slot1 = (Slot)inventorySlots.get(l);
			ItemStack itemstack2 = slot1.getStack();

			if (flag) {
				l--;
			}
			else {
				l++;
			}

			// Check if item is valid:
			if (!slot1.isItemValid(itemstack)) {
				continue;
			}

			if (itemstack2 == null) {

				// Don't put more items than the slot can take:
				int nbItemsInDest = Math.min(itemstack.stackSize, slot1.getSlotStackLimit());
				ItemStack itemStack1 = itemstack.copy();
				itemstack.stackSize -= nbItemsInDest;
				itemStack1.stackSize = nbItemsInDest;

				slot1.putStack(itemStack1);
				slot1.onSlotChanged();
				// itemstack.stackSize = 0;
				flag1 = true;
				break;
			}
		} while (true);
	}
	return flag1;
}
}

 

 

 

Any help is appreciated, I'm stumped. :(

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