getIcon() for BlockDoor always returning NullPointerException [SOLVED]

Althonos · September 29, 2014

Hello, so this issue is, whenever I run my mod to generate a custom door, the getIcon() method is always called immediately, before the registerBlockIcons() method. Therefore returning a NullPointerException, I have tried to check if the icon I'm returning is equal to null by using if (icon != null). The issue was, nothing I was returning in the else statement was helping me. Another forum has had the same problem;

https://github.com/Chicken-Bones/ForgeMultipart/issues/86#issuecomment-25778634

However, the suggested method of solving it, by checking for null and using a pointer if it was null, was not in any way helpful.

Relevant Icon Code:

Reveal hidden contents

        @Override
public void registerBlockIcons(IIconRegister iconRegister) {

	icons[0] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "lower");
	icons[1] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "upper");

	this.flippedIcons[0] = new IconFlipped(icons[0], true, false);
	this.flippedIcons[1] = new IconFlipped(icons[1], true, false);

}

@Override
public IIcon getIcon(int side, int meta) {

	if (icons[0] != null){
		return icons[0];
	} else {
		IIcon newIcon = icons[0];
		return newIcon;
	}
}

Relevant Crash Report:

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---- Minecraft Crash Report ----
// You're mean.

Time: 9/29/14 12:31 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at net.minecraft.block.BlockDoor.getIcon(BlockDoor.java:103)
at net.minecraft.client.renderer.RenderBlocks.getBlockIcon(RenderBlocks.java:8446)
at net.minecraft.client.renderer.RenderBlocks.renderBlockDoor(RenderBlocks.java:7174)
at net.minecraft.client.renderer.RenderBlocks.renderBlockByRenderType(RenderBlocks.java:365)
at net.minecraft.client.renderer.WorldRenderer.updateRenderer(WorldRenderer.java:207)
at net.minecraft.client.renderer.RenderGlobal.updateRenderers(RenderGlobal.java:1618)
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1263)
at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1087)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1056)
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(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at GradleStart.bounce(GradleStart.java:107)
at GradleStart.startClient(GradleStart.java:100)
at GradleStart.main(GradleStart.java:55)


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

-- Head --
Stacktrace:
at net.minecraft.block.BlockDoor.getIcon(BlockDoor.java:103)
at net.minecraft.client.renderer.RenderBlocks.getBlockIcon(RenderBlocks.java:8446)
at net.minecraft.client.renderer.RenderBlocks.renderBlockDoor(RenderBlocks.java:7174)
at net.minecraft.client.renderer.RenderBlocks.renderBlockByRenderType(RenderBlocks.java:365)
at net.minecraft.client.renderer.WorldRenderer.updateRenderer(WorldRenderer.java:207)
at net.minecraft.client.renderer.RenderGlobal.updateRenderers(RenderGlobal.java:1618)
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1263)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['Player235'/58, l='MpServer', x=187.50, y=65.62, z=-83.50]]
Chunk stats: MultiplayerChunkCache: 540, 540
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: 
Level spawn location: World: (184,64,-92), Chunk: (at 8,4,4 in 11,-6; contains blocks 176,0,-96 to 191,255,-81), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 214 game time, 214 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: 66 total; [EntitySheep['Sheep'/10, l='MpServer', x=165.50, y=68.00, z=-162.50], EntitySheep['Sheep'/11, l='MpServer', x=162.50, y=68.00, z=-161.50], EntitySheep['Sheep'/12, l='MpServer', x=159.50, y=69.00, z=-162.50], EntitySheep['Sheep'/38, l='MpServer', x=248.50, y=66.00, z=-155.50], EntitySheep['Sheep'/39, l='MpServer', x=250.50, y=67.00, z=-157.81], EntitySheep['Sheep'/37, l='MpServer', x=250.50, y=67.00, z=-156.22], EntitySheep['Sheep'/40, l='MpServer', x=252.50, y=66.00, z=-153.50], EntityZombie['Zombie'/2261, l='MpServer', x=151.50, y=32.00, z=-42.50], EntitySquid['Squid'/141, l='MpServer', x=132.34, y=58.34, z=-141.59], EntitySquid['Squid'/140, l='MpServer', x=135.16, y=59.38, z=-140.13], EntitySquid['Squid'/143, l='MpServer', x=140.25, y=59.34, z=-142.50], EntitySquid['Squid'/142, l='MpServer', x=136.69, y=59.34, z=-144.19], EntitySquid['Squid'/145, l='MpServer', x=137.91, y=58.34, z=-147.78], EntitySquid['Squid'/146, l='MpServer', x=127.66, y=58.38, z=-145.03], EntitySquid['Squid'/147, l='MpServer', x=126.31, y=57.94, z=-143.94], EntitySquid['Squid'/148, l='MpServer', x=132.78, y=59.00, z=-147.84], EntitySquid['Squid'/150, l='MpServer', x=128.88, y=58.00, z=-145.91], EntityClientPlayerMP['Player235'/58, l='MpServer', x=187.50, y=65.62, z=-83.50], EntityBat['Bat'/218, l='MpServer', x=161.23, y=36.00, z=-43.40], EntityZombie['Zombie'/2121, l='MpServer', x=247.50, y=43.00, z=-102.03], EntityZombie['Zombie'/2465, l='MpServer', x=154.50, y=14.00, z=-50.50], EntitySpider['Spider'/2464, l='MpServer', x=156.50, y=14.00, z=-50.50], EntityZombie['Zombie'/2504, l='MpServer', x=112.50, y=35.00, z=-69.50], EntitySpider['Spider'/2518, l='MpServer', x=108.50, y=36.00, z=-66.50], EntityZombie['Zombie'/2546, l='MpServer', x=200.63, y=40.00, z=-88.48], EntityBat['Bat'/412, l='MpServer', x=203.88, y=14.13, z=-78.78], EntityBat['Bat'/413, l='MpServer', x=202.66, y=13.26, z=-80.50], EntitySkeleton['Skeleton'/392, l='MpServer', x=256.50, y=30.00, z=-7.50], EntityCreeper['Creeper'/2355, l='MpServer', x=184.50, y=21.00, z=-115.50], EntityCreeper['Creeper'/2354, l='MpServer', x=181.50, y=21.00, z=-118.50], EntityCreeper['Creeper'/2357, l='MpServer', x=174.50, y=21.00, z=-121.50], EntityCreeper['Creeper'/2356, l='MpServer', x=186.50, y=21.00, z=-112.50], EntitySkeleton['Skeleton'/2360, l='MpServer', x=259.50, y=41.00, z=-80.50], EntityZombie['Zombie'/2368, l='MpServer', x=247.09, y=47.00, z=-72.75], EntityZombie['Zombie'/2369, l='MpServer', x=244.50, y=47.00, z=-72.44], EntityCreeper['Creeper'/466, l='MpServer', x=172.28, y=37.00, z=-49.41], EntityCreeper['Creeper'/467, l='MpServer', x=168.61, y=37.00, z=-41.67], EntityWitch['Witch'/464, l='MpServer', x=174.50, y=38.00, z=-50.09], EntityWitch['Witch'/465, l='MpServer', x=171.63, y=38.00, z=-42.63], EntitySkeleton['Skeleton'/575, l='MpServer', x=109.78, y=50.00, z=-17.28], EntityZombie['Zombie'/2810, l='MpServer', x=203.50, y=20.00, z=-42.50], EntityCreeper['Creeper'/2800, l='MpServer', x=247.69, y=42.00, z=-100.50], EntitySkeleton['Skeleton'/2801, l='MpServer', x=162.53, y=18.00, z=-148.91], EntityBat['Bat'/712, l='MpServer', x=119.45, y=38.30, z=-79.83], EntityBat['Bat'/715, l='MpServer', x=116.46, y=40.00, z=-76.26], EntityBat['Bat'/711, l='MpServer', x=121.52, y=37.00, z=-85.27], EntityZombie['Zombie'/787, l='MpServer', x=259.34, y=29.00, z=-79.66], EntityCreeper['Creeper'/940, l='MpServer', x=171.50, y=15.00, z=-42.50], EntityEnderman['Enderman'/937, l='MpServer', x=176.13, y=15.00, z=-46.69], EntityZombie['Zombie'/936, l='MpServer', x=155.50, y=19.00, z=-49.50], EntityEnderman['Enderman'/939, l='MpServer', x=175.22, y=16.00, z=-46.66], EntityWitch['Witch'/2816, l='MpServer', x=130.50, y=30.00, z=-134.50], EntityWitch['Witch'/2817, l='MpServer', x=130.50, y=30.00, z=-133.50], EntityBat['Bat'/1146, l='MpServer', x=262.50, y=29.82, z=-94.50], EntitySkeleton['Skeleton'/3146, l='MpServer', x=110.50, y=49.00, z=-4.50], EntityZombie['Zombie'/1265, l='MpServer', x=249.50, y=33.00, z=-0.97], EntityBat['Bat'/1333, l='MpServer', x=230.63, y=21.02, z=-38.31], EntityCreeper['Creeper'/1312, l='MpServer', x=261.50, y=27.00, z=-77.50], EntityZombie['Zombie'/1581, l='MpServer', x=109.30, y=34.30, z=-69.54], EntitySkeleton['Skeleton'/1577, l='MpServer', x=114.50, y=48.00, z=-12.50], EntityBat['Bat'/1596, l='MpServer', x=173.75, y=12.00, z=-135.25], EntitySkeleton['Skeleton'/1766, l='MpServer', x=265.50, y=36.00, z=-82.50], EntityWitch['Witch'/1815, l='MpServer', x=256.88, y=30.00, z=-9.47], EntityBat['Bat'/1800, l='MpServer', x=227.22, y=23.05, z=-52.16], EntityZombie['Zombie'/2003, l='MpServer', x=170.31, y=38.00, z=-44.69], EntityZombie['Zombie'/2004, l='MpServer', x=137.06, y=14.26, z=-48.50]]
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:980)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at GradleStart.bounce(GradleStart.java:107)
at GradleStart.startClient(GradleStart.java:100)
at GradleStart.main(GradleStart.java:55)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Mac OS X (x86_64) version 10.9.4
Java Version: 1.7.0_67, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 830144952 bytes (791 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 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: 1, tcache: 1, allocated: 12, tallocated: 94
FML: MCP v9.05 FML v7.10.84.1217 Minecraft Forge 10.13.1.1217 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{7.10.84.1217} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.1.1217.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.1.1217} [Minecraft Forge] (forgeSrc-1.7.10-10.13.1.1217.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
newblocks{1.0} [New Blocks] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: AMD Radeon HD 6750M OpenGL Engine GL version 2.1 ATI-1.24.35, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object 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)

If I missed out any additional code or information I should have added, please notify me. Thanks for reading.

jabelar · September 29, 2014

Well, if you look closely at your code you're checking if icons[0] is null and then you are returning it (you assign it to newIcon, but then newIcon will be null) -- so that is probably why you're getting the null pointer exception.

The more interesting question is why icons[0] is null in the first place. Your registration method looks correct to me.

Althonos · September 29, 2014

I've tried just returning icons[0] as well, the code I posted was the alternative suggested. As I said in the first post, I believe the error lies in the fact it is calling getIcons() before anything else (Before registering them), therefore returning null. I also have no idea of changing the order of calling it.

jabelar · September 29, 2014

Yeah problem is definitely that icons[0] is null at the time. But the register block icons is the common way to do it so I think the timing should already be controlled.

Maybe put console statements in each method to confirm which order they are called in.

Althonos · September 29, 2014

I just realized something I have from another class..

How come this works

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@Override
public void registerBlockIcons(IIconRegister iconRegister) {
    for (int i = 0; i < icons.length; i++) {
    	
    	if (i >=2){
    		
    		icons[i] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "side");
    	} else {
    		
    		icons[i] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "top");
    	}
    }
}

@Override
public IIcon getIcon(int side, int meta) {
    return icons[side];
}

But not this code?

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@Override
public void registerBlockIcons(IIconRegister iconRegister) {

	icons[0] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "lower");
	icons[1] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "upper");

	this.flippedIcons[0] = new IconFlipped(icons[0], true, false);
	this.flippedIcons[1] = new IconFlipped(icons[1], true, false);

}

@Override
public IIcon getIcon(int side, int meta) {
	return icons[0];
        }

Also, I have tried to use console print, and it prints inside of the main, but whenever I place the block it auto-crashes Minecraft so it never shows anything inside of getIcons. However, if I place it in registerBlockIcon, it prints the statement during Minecraft startup. So why is it still null while passing the icons[0]?

Edit:

I printed text and icons[0] inside of registerIcons, it printed the name of the png file with some weird syntax, so I think it is assigned properly.

jabelar · September 29, 2014

Can you show the code where you declare the icons[] array? Do you do it differently in each case, because in your first example it seems you've already got a length implying that the array is declared with a size already, and possibly already initialized somehow...

Can you show the code where you register the block itself?

It is possible that perhaps you're somehow placing a block that is improperly registered I guess.

But it is a strange problem, as the code generally looks okay to me.

Althonos · September 29, 2014

Here's my full door class for your reference.

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package com.zacharysturtz;

import java.util.Random;

import javax.swing.JOptionPane;

import cpw.mods.fml.common.registry.GameRegistry;
import net.minecraft.block.Block;
import net.minecraft.block.BlockDoor;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.IconFlipped;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;
import net.minecraft.util.IIcon;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockCustomDoor extends BlockDoor {

public Item placerItem;
public String blockName = "orangedoor";
public IIcon[] flippedIcons;
        public IIcon[] icons;

public BlockCustomDoor() {
	super(Material.wood);
	setBlockName(Constants.MODID + "_" + blockName);

	float f = 0.5F;
	float f1 = 1.0F;
	this.setLightOpacity(0);
	this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, f1, 0.5F + f);

	GameRegistry.registerBlock(this, blockName);

}

public IIcon getBlockTexture(IBlockAccess par1IBlockAccess, int par2,
		int par3, int par4, int par5) {

	if (par5 == 1 || par5 == 0) {
		return icons[0];
	}

	int meta = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
	boolean flag = (meta & 4) != 0;
	int halfMeta = meta & 3;
	boolean flipped = false;

	if (flag) {
		if (halfMeta == 0 && par5 == 2)
			flipped = !flipped;
		else if (halfMeta == 1 && par5 == 5)
			flipped = !flipped;
		else if (halfMeta == 2 && par5 == 3)
			flipped = !flipped;
		else if (halfMeta == 3 && par5 == 4)
			flipped = !flipped;
	} else {
		if (halfMeta == 0 && par5 == 5)
			flipped = !flipped;
		else if (halfMeta == 1 && par5 == 3)
			flipped = !flipped;
		else if (halfMeta == 2 && par5 == 4)
			flipped = !flipped;
		else if (halfMeta == 3 && par5 == 2)
			flipped = !flipped;
		if ((meta & 16) != 0)
			flipped = !flipped;
	}

	if (flipped)
		return flippedIcons[(meta &  != 0 ? 1 : 0];
	else
		return (meta &  != 0 ? icons[1] : icons[0];
}

@Override
public void registerBlockIcons(IIconRegister iconRegister) {

                icons = new IIcon[2];
	icons[0] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "lower");
	icons[1] = iconRegister.registerIcon(Constants.MODID + ":" + blockName + "upper");

                flippedIcons = new IIcon[2];
	this.flippedIcons[0] = new IconFlipped(icons[0], true, false);
	this.flippedIcons[1] = new IconFlipped(icons[1], true, false);

}

@Override
public IIcon getIcon(int side, int meta) {

		return icons[0];
}
}

I tried several different locations of calling icons = new IIcon[2];

Full Item Class

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package com.zacharysturtz;

import cpw.mods.fml.common.registry.GameRegistry;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemDoor;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

public class orangeDoorItem extends Item {
public Block doorBlock;

String itemName = "orangedooricon";

public orangeDoorItem(Block block){
	setUnlocalizedName(Constants.MODID + "_" + itemName);
	setCreativeTab(CreativeTabs.tabBlock);
	doorBlock = block;
	maxStackSize = 1;

	GameRegistry.registerItem(this, itemName);

}

public boolean onItemUse(ItemStack par1ItemStack,
		EntityPlayer par2EntityPlayer, World par3World, int par4, int par5,
		int par6, int par7, float par8, float par9, float par10) {
	if (par7 != 1) {
		return false;
	} else {
		++par5;
		Block block = this.doorBlock;

		if (par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7,
				par1ItemStack)
				&& par2EntityPlayer.canPlayerEdit(par4, par5 + 1, par6,
						par7, par1ItemStack)) {
			if (!block.canPlaceBlockAt(par3World, par4, par5, par6)) {
				return false;
			} else {
				int i1 = MathHelper
						.floor_double((double) ((par2EntityPlayer.rotationYaw + 180.0F) * 4.0F / 360.0F) - 0.5D) & 3;
				ItemDoor.placeDoorBlock(par3World, par4, par5, par6, i1,
						block);
				--par1ItemStack.stackSize;
				return true;
			}
		} else {
			return false;
		}
	}
}

@Override
public void registerIcons(IIconRegister iconRegister) {
	itemIcon = iconRegister.registerIcon(Constants.MODID + ":" + itemName);
}
}

Also, any println statements in the getBlockTexture method are never called. This might be of use as well, here is the relevant BlockDoor class that gives the error.

BlockDoor Relevant Methods

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/**
     * Gets the block's texture. Args: side, meta
     */
    @SideOnly(Side.CLIENT)
    public IIcon getIcon(int p_149691_1_, int p_149691_2_)
    {
        return this.field_150016_b[0];
    }

    @SideOnly(Side.CLIENT)
    public IIcon getIcon(IBlockAccess p_149673_1_, int p_149673_2_, int p_149673_3_, int p_149673_4_, int p_149673_5_)
    {
        if (p_149673_5_ != 1 && p_149673_5_ != 0)
        {
            int i1 = this.func_150012_g(p_149673_1_, p_149673_2_, p_149673_3_, p_149673_4_);
            int j1 = i1 & 3;
            boolean flag = (i1 & 4) != 0;
            boolean flag1 = false;
            boolean flag2 = (i1 &  != 0;

            if (flag)
            {
                if (j1 == 0 && p_149673_5_ == 2)
                {
                    flag1 = !flag1;
                }
                else if (j1 == 1 && p_149673_5_ == 5)
                {
                    flag1 = !flag1;
                }
                else if (j1 == 2 && p_149673_5_ == 3)
                {
                    flag1 = !flag1;
                }
                else if (j1 == 3 && p_149673_5_ == 4)
                {
                    flag1 = !flag1;
                }
            }
            else
            {
                if (j1 == 0 && p_149673_5_ == 5)
                {
                    flag1 = !flag1;
                }
                else if (j1 == 1 && p_149673_5_ == 3)
                {
                    flag1 = !flag1;
                }
                else if (j1 == 2 && p_149673_5_ == 4)
                {
                    flag1 = !flag1;
                }
                else if (j1 == 3 && p_149673_5_ == 2)
                {
                    flag1 = !flag1;
                }

                if ((i1 & 16) != 0)
                {
                    flag1 = !flag1;
                }
            }

            return flag2 ? this.field_150017_a[flag1?1:0] : this.field_150016_b[flag1?1:0];
        }
        else
        {
            return this.field_150016_b[0];   //ERROR IS RIGHT HERE
        }
    }

    @SideOnly(Side.CLIENT)
    public void registerBlockIcons(IIconRegister p_149651_1_)
    {
        this.field_150017_a = new IIcon[2];
        this.field_150016_b = new IIcon[2];
        this.field_150017_a[0] = p_149651_1_.registerIcon(this.getTextureName() + "_upper");
        this.field_150016_b[0] = p_149651_1_.registerIcon(this.getTextureName() + "_lower");
        this.field_150017_a[1] = new IconFlipped(this.field_150017_a[0], true, false);
        this.field_150016_b[1] = new IconFlipped(this.field_150016_b[0], true, false);
    }

Althonos · September 29, 2014

Solved. I decided to stop using someone else's code and add my own, the issue was his positioning was off. It works perfectly! Thanks for all the feedback, man.

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getIcon() for BlockDoor always returning NullPointerException [SOLVED]

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