testserver/Spigot-Server-Patches/0174-Process-NMS-Data-Conve...

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From 1db407564fbdd4f31b348c62f11b15be0eb27c7c Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 4 May 2016 22:31:18 -0400
Subject: [PATCH] Process NMS Data Conversion post ItemMeta on Copy
ItemMeta apply is a destructive process that expects to be the authority on
what the items NBT data is.
When CraftItemStack.asNMSCopy was called, the conversion ran, potentially setting
the converted data into the ItemStacks tag.
Then if that item had ItemMeta, it would completely undo that conversion by
erasing the NBT Tag.
On copy, run conversion post ItemMeta apply.
diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index d45a9ec..a8874d2 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -53,7 +53,12 @@ public final class ItemStack {
this(item, i, 0);
}
+ // Paper start
public ItemStack(Item item, int i, int j) {
+ this(item, i, j, true);
+ }
+ public ItemStack(Item item, int i, int j, boolean convert) {
+ // Paper end
this.item = item;
this.count = i;
@@ -63,6 +68,11 @@ public final class ItemStack {
//if (this.damage < 0) {
// this.damage = 0;
//}
+ // Paper start
+ if (convert) convertData();
+ }
+ public final void convertData() {
+ // Paper end
if (MinecraftServer.getServer() != null) {
NBTTagCompound savedStack = new NBTTagCompound();
this.save(savedStack);
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index 88f0292..7f77d44 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -45,10 +45,11 @@ public final class CraftItemStack extends ItemStack {
return null;
}
- net.minecraft.server.ItemStack stack = new net.minecraft.server.ItemStack(item, original.getAmount(), original.getDurability());
+ net.minecraft.server.ItemStack stack = new net.minecraft.server.ItemStack(item, original.getAmount(), original.getDurability(), false); // Paper
if (original.hasItemMeta()) {
setItemMeta(stack, original.getItemMeta());
}
+ stack.convertData(); // Paper
return stack;
}
--
2.9.3