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Armor Effect Crash

Posted May 14, 201312 yr

Hello, last night I was working on some armor effects such as when you have a full set on, the effect comes and if you take a piece off it goes away. It works and all, except for the problem if I take off the chestplate first for some reason it crashes my game giving me this:

Generated 5/14/13 9:06 AM

-- Head --
Stacktrace:
at vanillaplus.GemsArmorObsidian.onArmorTickUpdate(GemsArmorObsidian.java:34)
at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:348)
at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:594)
at net.minecraft.entity.EntityLiving.onUpdate(EntityLiving.java:858)
at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:341)

-- Player being ticked --
Details:
Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)
Entity ID: 398
Entity Name: Player855
Entity's Exact location: -31.51, 67.00, 246.70
Entity's Block location: World: (-32,67,246), Chunk: (at 0,4,6 in -2,15; contains blocks -32,0,240 to -17,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Entity's Momentum: 0.00, -0.08, 0.00
Stacktrace:
at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:325)
at net.minecraft.network.NetServerHandler.handleFlying(NetServerHandler.java:308)
at net.minecraft.network.packet.Packet10Flying.processPacket(Packet10Flying.java:51)
at net.minecraft.network.MemoryConnection.processReadPackets(MemoryConnection.java:89)
at net.minecraft.network.NetServerHandler.networkTick(NetServerHandler.java:134)
at net.minecraft.network.NetworkListenThread.networkTick(NetworkListenThread.java:53)
at net.minecraft.server.integrated.IntegratedServerListenThread.networkTick(IntegratedServerListenThread.java:109)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:678)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:574)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:132)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:469)
at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 932020968 bytes (888 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 4705 (263480 bytes; 0 MB) allocated, 4346 (243376 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 2, tcache: 0, allocated: 1, tallocated: 63
FML: MCP v7.51 FML v5.2.2.684 Minecraft Forge 7.8.0.684 4 mods loaded, 4 mods active
mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{5.2.2.684} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{7.8.0.684} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
VanillaPlus{1.2.0} [VanillaPlus] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 998 (55888 bytes; 0 MB) allocated, 992 (55552 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['Player855'/398, l='New World', x=-31.51, y=67.00, z=246.70]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

java.lang.NullPointerException
at vanillaplus.GemsArmorObsidian.onArmorTickUpdate(GemsArmorObsidian.java:34)
at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:348)
at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:594)
at net.minecraft.entity.EntityLiving.onUpdate(EntityLiving.java:858)
at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:341)
at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:325)
at net.minecraft.network.NetServerHandler.handleFlying(NetServerHandler.java:308)
at net.minecraft.network.packet.Packet10Flying.processPacket(Packet10Flying.java:51)
at net.minecraft.network.MemoryConnection.processReadPackets(MemoryConnection.java:89)
at net.minecraft.network.NetServerHandler.networkTick(NetServerHandler.java:134)
at net.minecraft.network.NetworkListenThread.networkTick(NetworkListenThread.java:53)
at net.minecraft.server.integrated.IntegratedServerListenThread.networkTick(IntegratedServerListenThread.java:109)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:678)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:574)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:132)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:469)
at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
--- END ERROR REPORT 1f19c2dc ----------

Now here is my code that does all of this, it's in my EnderArmor Item Class:

package vanillaplus;

import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumArmorMaterial;
import net.minecraft.item.ItemArmor;
import net.minecraft.item.ItemStack;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.world.World;
import net.minecraftforge.common.IArmorTextureProvider;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class ArmorEnder extends ItemArmor implements IArmorTextureProvider
{
    public ArmorEnder(int par1, EnumArmorMaterial par2EnumArmorMaterial,
            int par3, int par4)
    {
        super(par1, par2EnumArmorMaterial, par3, par4);
        this.setCreativeTab(VanillaPlus.VanillaPlusTabArmor);
        
    }
    
    
  @Override
    public String getArmorTextureFile(ItemStack itemstack)
    {
        if (itemstack.itemID == VanillaPlus.enderHelmet.itemID || itemstack.itemID == VanillaPlus.enderPlate.itemID || itemstack.itemID == VanillaPlus.enderBoots.itemID)
        {
        	return "/mods/VanillaPlus/textures/armor/ender_1.png";
        }

        if (itemstack.itemID == VanillaPlus.enderLegs.itemID)
        {
            return "/mods/VanillaPlus/textures/armor/ender_2.png";
        }
        else
        {
            return null;
        }
    }
  
  @Override
  public void onArmorTickUpdate(World world, EntityPlayer player, ItemStack itemStack) {
       
      if (player.getCurrentItemOrArmor(4) != null && player.getCurrentArmor(3) != null && player.getCurrentItemOrArmor(2) != null && player.getCurrentItemOrArmor(1) != null) {
      	   ItemStack helmet = player.getCurrentItemOrArmor(4);
      	   ItemStack plate = player.getCurrentItemOrArmor(3);
      	   ItemStack legs = player.getCurrentItemOrArmor(2);
      	   ItemStack boots = player.getCurrentItemOrArmor(1); 
      	   
      	   if (helmet.getItem() == VanillaPlus.enderHelmet && plate.getItem() == VanillaPlus.enderPlate && legs.getItem() == VanillaPlus.enderLegs && boots.getItem() == VanillaPlus.enderBoots) 
      	   {
      	    player.fallDistance = 0.0F;
      	   }
      	  }
  }
    @SideOnly(Side.CLIENT)
    public void registerIcons(IconRegister par1IconRegister)
    {
        this.itemIcon = par1IconRegister.registerIcon(VanillaPlus.modid + ":" + this.getUnlocalizedName().substring(5));
    }
}

Thank you to anyone who can help me! I hope someone responds, also if I don't reply right away that is because I have school in about 10 min. so I'll respond when I get back ! Thanks!

Quote

May 14, 201312 yr

Author

No-one? Please...

Quote

May 15, 201312 yr

you need to create a null check for the item stacks

I think its my java of the variables.

Quote

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Armor Effect Crash

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