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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/network/PacketDataSerializer.java b/src/main/java/net/minecraft/network/PacketDataSerializer.java
index df459918c14589155a574730205cb35d463b8079..5a1187b001004afe22d208bc5d7c288e796e16a6 100644
--- a/src/main/java/net/minecraft/network/PacketDataSerializer.java
+++ b/src/main/java/net/minecraft/network/PacketDataSerializer.java
@@ -37,6 +37,7 @@ import net.minecraft.network.chat.IChatBaseComponent;
import net.minecraft.resources.MinecraftKey;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.block.entity.TileEntitySkull;
import net.minecraft.world.phys.MovingObjectPositionBlock;
import net.minecraft.world.phys.Vec3D;
@@ -311,9 +312,18 @@ public class PacketDataSerializer extends ByteBuf {
if (item.usesDurability() || item.n()) {
// Spigot start - filter
itemstack = itemstack.cloneItemStack();
- CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
+ //CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack)); // Paper - This is no longer needed due to NBT being supported
// Spigot end
nbttagcompound = itemstack.getTag();
+ // Paper start
+ if (nbttagcompound != null && nbttagcompound.hasKeyOfType("SkullOwner", 10)) {
+ NBTTagCompound owner = nbttagcompound.getCompound("SkullOwner");
+ if (owner.hasUUID("Id")) {
+ nbttagcompound.setUUID("SkullOwnerOrig", owner.getUUID("Id"));
+ TileEntitySkull.sanitizeUUID(owner);
+ }
+ }
+ // Paper end
}
this.a(nbttagcompound);
@@ -333,7 +343,16 @@ public class PacketDataSerializer extends ByteBuf {
itemstack.setTag(this.l());
// CraftBukkit start
if (itemstack.getTag() != null) {
- CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
+ // 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");
+ if (itemstack.tag.hasKey("SkullOwnerOrig")) {
+ owner.map.put("Id", itemstack.tag.map.get("SkullOwnerOrig"));
+ itemstack.tag.remove("SkullOwnerOrig");
+ }
+ }
+ // Paper end
+ // CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack)); // Paper - This is no longer needed due to NBT being supported
}
// CraftBukkit end
return itemstack;
diff --git a/src/main/java/net/minecraft/network/protocol/game/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/network/protocol/game/PacketPlayOutMapChunk.java
index b6b55d5baa5e8a6b69a3e4865c06bc8a4d61a4f3..152118729b1a95dcae05d32aa4289034ba394226 100644
--- a/src/main/java/net/minecraft/network/protocol/game/PacketPlayOutMapChunk.java
+++ b/src/main/java/net/minecraft/network/protocol/game/PacketPlayOutMapChunk.java
@@ -15,6 +15,7 @@ import net.minecraft.network.PacketDataSerializer;
import net.minecraft.network.protocol.Packet;
import net.minecraft.world.level.ChunkCoordIntPair;
import net.minecraft.world.level.block.entity.TileEntity;
+import net.minecraft.world.level.block.entity.TileEntitySkull;
import net.minecraft.world.level.chunk.BiomeStorage;
import net.minecraft.world.level.chunk.Chunk;
import net.minecraft.world.level.chunk.ChunkSection;
@@ -69,6 +70,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
if (this.f() || (i & 1 << j) != 0) {
NBTTagCompound nbttagcompound = tileentity.b();
+ if (tileentity instanceof TileEntitySkull) { TileEntitySkull.sanitizeTileEntityUUID(nbttagcompound); } // Paper
this.g.add(nbttagcompound);
}
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index c525afbc7d73488db2cae1501cdbe80ec05aeb7c..ce5d8463763dd39e1225d9dec0514b1754df5411 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -114,7 +114,7 @@ public final class ItemStack {
private int g;
@Deprecated
private Item item;
- private NBTTagCompound tag;
+ public NBTTagCompound tag; // Paper private -> public
private boolean j;
private Entity k;
private ShapeDetectorBlock l;
diff --git a/src/main/java/net/minecraft/world/level/block/entity/TileEntitySkull.java b/src/main/java/net/minecraft/world/level/block/entity/TileEntitySkull.java
index 22217f24b4a87f10b6d5a3e37d23a1164af84ace..4f7c014fa609a39cac651ccc6d3397d7edb77d8d 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/TileEntitySkull.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/TileEntitySkull.java
@@ -9,6 +9,7 @@ import java.util.UUID;
import javax.annotation.Nullable;
import net.minecraft.nbt.GameProfileSerializer;
import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
import net.minecraft.network.protocol.game.PacketPlayOutTileEntityData;
import net.minecraft.server.players.UserCache;
import net.minecraft.util.UtilColor;
@@ -154,9 +155,37 @@ public class TileEntitySkull extends TileEntity /*implements ITickable*/ { // Pa
@Nullable
@Override
public PacketPlayOutTileEntityData getUpdatePacket() {
- return new PacketPlayOutTileEntityData(this.position, 4, this.b());
+ return new PacketPlayOutTileEntityData(this.position, 4, sanitizeTileEntityUUID(this.b())); // Paper
}
+ // Paper start
+ public static NBTTagCompound sanitizeTileEntityUUID(NBTTagCompound cmp) {
+ NBTTagCompound owner = cmp.getCompound("Owner");
+ if (!owner.isEmpty()) {
+ sanitizeUUID(owner);
+ }
+ return cmp;
+ }
+
+ public 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) {
+ UUID uuid = UUID.nameUUIDFromBytes(textures.getBytes());
+ owner.setUUID("Id", uuid);
+ return;
+ }
+ }
+ owner.setUUID("Id", UUID.randomUUID());
+ }
+ // Paper end
+
@Override
public NBTTagCompound b() {
return this.save(new NBTTagCompound());
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