1 files changed, 75 insertions, 0 deletions
diff --git a/src/Java/gtPlusPlus/core/util/nbt/NBTUtils.java b/src/Java/gtPlusPlus/core/util/nbt/NBTUtils.java
new file mode 100644
index 0000000000..010016d5f1
--- /dev/null
+++ b/src/Java/gtPlusPlus/core/util/nbt/NBTUtils.java
@@ -0,0 +1,75 @@
+package gtPlusPlus.core.util.nbt;
+
+import static gtPlusPlus.core.item.ModItems.ZZZ_Empty;
+
+import gregtech.api.util.GT_Utility;
+import gtPlusPlus.core.item.ModItems;
+import gtPlusPlus.core.util.item.ItemUtils;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+
+public class NBTUtils {
+
+	public static NBTTagCompound getNBT(ItemStack aStack) {
+		NBTTagCompound rNBT = aStack.getTagCompound();
+		return ((rNBT == null) ? new NBTTagCompound() : rNBT);
+	}
+
+	public static void setBookTitle(ItemStack aStack, String aTitle) {
+		NBTTagCompound tNBT = getNBT(aStack);
+		tNBT.setString("title", aTitle);
+		GT_Utility.ItemNBT.setNBT(aStack, tNBT);
+	}
+
+	public static String getBookTitle(ItemStack aStack) {
+		NBTTagCompound tNBT = getNBT(aStack);
+		return tNBT.getString("title");
+	}
+
+	public static ItemStack[] readItemsFromNBT(ItemStack itemstack){
+		NBTTagCompound tNBT = getNBT(itemstack);
+		final NBTTagList list = tNBT.getTagList("Items", 10);
+		ItemStack inventory[] = new ItemStack[list.tagCount()];
+		for(int i = 0;i<list.tagCount();i++){
+			final NBTTagCompound data = list.getCompoundTagAt(i);
+			final int slot = data.getInteger("Slot");
+			if((slot >= 0) && (slot < list.tagCount())){
+				if (ItemStack.loadItemStackFromNBT(data) == ItemUtils.getSimpleStack(ZZZ_Empty)){
+					inventory[slot] = null;
+				}
+				else {
+					inventory[slot] = ItemStack.loadItemStackFromNBT(data);
+				}
+
+			}
+		}
+		return inventory;
+	}
+
+	public static ItemStack writeItemsToNBT(ItemStack itemstack, ItemStack[] stored){
+		NBTTagCompound tNBT = getNBT(itemstack);
+		final NBTTagList list = new NBTTagList();
+		for(int i = 0;i<stored.length;i++){
+			final ItemStack stack = stored[i];
+			if(stack != null){
+				final NBTTagCompound data = new NBTTagCompound();
+				stack.writeToNBT(data);
+				data.setInteger("Slot", i);
+				list.appendTag(data);
+			}
+			else {
+				final NBTTagCompound data = new NBTTagCompound();
+				ItemStack nullstack = ItemUtils.getSimpleStack(ZZZ_Empty);
+				nullstack.writeToNBT(data);
+				data.setInteger("Slot", i);
+				list.appendTag(data);
+			}
+		}
+		tNBT.setTag("Items", list);
+		itemstack.setTagCompound(tNBT);
+		return itemstack;
+	}
+
+
+}