Err too much.

util/item/AEItemDef.java

@@ -5,7 +5,6 @@ import java.util.List;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTBase;
-import appeng.api.storage.data.IAETagCompound;
 import appeng.util.Platform;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
@@ -23,7 +22,7 @@ public class AEItemDef
 	public int dspDamage;
 	public int maxDamage;
 
-	public IAETagCompound tagCompound;
+	public AESharedNBT tagCompound;
 
 	@SideOnly(Side.CLIENT)
 	public String displayName;

util/item/AEItemStack.java

@@ -78,7 +78,7 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
 
 		NBTTagCompound tagCompound = is.getTagCompound();
 		if ( tagCompound != null )
-			def.tagCompound = (IAETagCompound) AESharedNBT.getSharedTagCompound( tagCompound, is );
+			def.tagCompound = (AESharedNBT) AESharedNBT.getSharedTagCompound( tagCompound, is );
 
 		stackSize = is.stackSize;
 		setCraftable( false );
@@ -241,8 +241,8 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
 		int dv = def.damageValue - b.def.damageValue;
 		int dspv = def.dspDamage - b.def.dspDamage;
 
-		return id == 0 ? (dv == 0 ? (dspv == 0 ? ((def.tagCompound == null ? 0 : def.tagCompound.hashCode()) - (b.def.tagCompound == null ? 0
-				: b.def.tagCompound.hashCode())) : dspv) : dv) : id;
+		return id == 0 ? (dv == 0 ? (dspv == 0 ? ((def.tagCompound == null ? 0 : def.tagCompound.getHash()) - (b.def.tagCompound == null ? 0
+				: b.def.tagCompound.getHash())) : dspv) : dv) : id;
 	}
 
 	@SideOnly(Side.CLIENT)

util/item/AESharedNBT.java

@@ -22,6 +22,11 @@ public class AESharedNBT extends NBTTagCompound implements IAETagCompound
 	public SharedSearchObject sso;
 	private IItemComparison comp;
 
+	public int getHash()
+	{
+		return hash;
+	}
+
 	@Override
 	public IItemComparison getSpecialComparison()
 	{