PaperMC/Spigot-Server-Patches/Fix-client-rendering-skulls-from-same-user.patch
Aikar e82ef9ec05 Switch to using ForgeFlower for Paper Only mc-dev imports
ForgeFlower is better than Spigots FernFlower at decompiling the source.

However, in order to maintain the CraftBukkit patches, we must keep
using spigots for the primary.

However, for any file that we import on top of Spigots imported files
there is nothing stopping us from using better decompiled files.

So these changes will use ForgeFlower to maintain a better set of
decomped files, so anything we add on top of Paper can start off
in a better spot.
2018-08-31 18:56:57 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 22 Nov 2016 00:40:42 -0500
Subject: [PATCH] Fix client rendering skulls from same user
See: https://github.com/PaperMC/Paper/issues/1304
Changes the UUID sent to client to be based on either
the texture payload, or random.
This allows the client to render multiple skull textures from the same user,
for when different skins were used when skull was made.
diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index a238388012..9326eaa2a9 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -0,0 +0,0 @@ public final class ItemStack {
private int e;
@Deprecated
private Item item;
- private NBTTagCompound tag;
+ NBTTagCompound tag; // Paper -> package private
private boolean h;
private EntityItemFrame i;
private ShapeDetectorBlock j;
diff --git a/src/main/java/net/minecraft/server/PacketDataSerializer.java b/src/main/java/net/minecraft/server/PacketDataSerializer.java
index a63a5811d6..cab8374832 100644
--- a/src/main/java/net/minecraft/server/PacketDataSerializer.java
+++ b/src/main/java/net/minecraft/server/PacketDataSerializer.java
@@ -0,0 +0,0 @@ public class PacketDataSerializer extends ByteBuf {
CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
// Spigot end
nbttagcompound = itemstack.getTag();
+ // Paper start
+ if (nbttagcompound != null && nbttagcompound.hasKeyOfType("SkullOwner", 10)) {
+ NBTTagCompound owner = nbttagcompound.getCompound("SkullOwner");
+ if (owner.hasKey("Id")) {
+ nbttagcompound.setString("SkullOwnerOrig", owner.getString("Id"));
+ TileEntitySkull.sanitizeUUID(owner);
+ }
+ }
+ // Paper end
}
this.a(nbttagcompound);
@@ -0,0 +0,0 @@ public class PacketDataSerializer extends ByteBuf {
itemstack.setTag(this.j());
// CraftBukkit start
if (itemstack.getTag() != null) {
+ // Paper start - Fix skulls of same owner - restore orig ID since we changed it on send to client
+ if (itemstack.tag.hasKey("SkullOwnerOrig")) {
+ NBTTagCompound owner = itemstack.tag.getCompound("SkullOwner");
+ String ownerOrig = itemstack.tag.getString("SkullOwnerOrig");
+ if (!owner.isEmpty() && !ownerOrig.isEmpty()) {
+ owner.setString("Id", ownerOrig);
+ }
+ itemstack.tag.remove("SkullOwnerOrig");
+ }
+ // Paper end
CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
index af382815f3..22a262bb60 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
@@ -0,0 +0,0 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
int j = blockposition.getY() >> 4;
if (this.f() || (i & 1 << j) != 0) {
NBTTagCompound nbttagcompound = tileentity.aa_();
+ if (tileentity instanceof TileEntitySkull) { TileEntitySkull.sanitizeTileEntityUUID(nbttagcompound); } // Paper
this.e.add(nbttagcompound);
}
}
diff --git a/src/main/java/net/minecraft/server/TileEntitySkull.java b/src/main/java/net/minecraft/server/TileEntitySkull.java
index e59f3c21d7..05fca47f34 100644
--- a/src/main/java/net/minecraft/server/TileEntitySkull.java
+++ b/src/main/java/net/minecraft/server/TileEntitySkull.java
@@ -0,0 +0,0 @@ public class TileEntitySkull extends TileEntity /*implements ITickable*/ { // Pa
return this.a;
}
+ // Paper start
+ static NBTTagCompound sanitizeTileEntityUUID(NBTTagCompound cmp) {
+ NBTTagCompound owner = cmp.getCompound("Owner");
+ if (!owner.isEmpty()) {
+ sanitizeUUID(owner);
+ }
+ return cmp;
+ }
+
+ static void sanitizeUUID(NBTTagCompound owner) {
+ NBTTagCompound properties = owner.getCompound("Properties");
+ NBTTagList list = null;
+ if (!properties.isEmpty()) {
+ list = properties.getList("textures", 10);
+ }
+
+ if (list != null && !list.isEmpty()) {
+ String textures = ((NBTTagCompound)list.get(0)).getString("Value");
+ if (textures != null && textures.length() > 3) {
+ String uuid = UUID.nameUUIDFromBytes(textures.getBytes()).toString();
+ owner.setString("Id", uuid);
+ return;
+ }
+ }
+ owner.setString("Id", UUID.randomUUID().toString());
+ }
+ // Paper end
+
@Nullable
public PacketPlayOutTileEntityData getUpdatePacket() {
- return new PacketPlayOutTileEntityData(this.position, 4, this.aa_());
+ return new PacketPlayOutTileEntityData(this.position, 4, sanitizeTileEntityUUID(this.aa_())); // Paper
}
public NBTTagCompound aa_() {
--