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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/FriendlyByteBuf.java b/src/main/java/net/minecraft/network/FriendlyByteBuf.java
index 303b877bc467de7c046cc221d061fac841c1d9f3..896a4237f871d46cf39b0721e909c2cc3b5fc728 100644
--- a/src/main/java/net/minecraft/network/FriendlyByteBuf.java
+++ b/src/main/java/net/minecraft/network/FriendlyByteBuf.java
@@ -496,9 +496,18 @@ public class FriendlyByteBuf extends ByteBuf {
if (item.canBeDepleted() || item.shouldOverrideMultiplayerNbt()) {
// Spigot start - filter
stack = stack.copy();
- CraftItemStack.setItemMeta(stack, CraftItemStack.getItemMeta(stack));
+ // CraftItemStack.setItemMeta(stack, CraftItemStack.getItemMeta(stack)); // Paper - This is no longer needed due to NBT being supported
// Spigot end
nbttagcompound = stack.getTag();
+ // Paper start
+ if (nbttagcompound != null && nbttagcompound.contains("SkullOwner", 10)) {
+ CompoundTag owner = nbttagcompound.getCompound("SkullOwner");
+ if (owner.hasUUID("Id")) {
+ nbttagcompound.putUUID("SkullOwnerOrig", owner.getUUID("Id"));
+ net.minecraft.world.level.block.entity.SkullBlockEntity.sanitizeUUID(owner);
+ }
+ }
+ // Paper end
}
this.writeNbt(nbttagcompound);
@@ -518,7 +527,16 @@ public class FriendlyByteBuf extends ByteBuf {
itemstack.setTag(this.readNbt());
// 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.contains("SkullOwnerOrig")) {
+ CompoundTag owner = itemstack.tag.getCompound("SkullOwner");
+ if (itemstack.tag.contains("SkullOwnerOrig")) {
+ owner.tags.put("Id", itemstack.tag.tags.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/ClientboundLevelChunkPacketData.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
index 069c12ec0b90d07f45b58b960ed41bad0480b5ab..108c5d7fedc125108ca97ce125520b64a083ccd4 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
@@ -152,6 +152,7 @@ public class ClientboundLevelChunkPacketData {
static ClientboundLevelChunkPacketData.BlockEntityInfo create(BlockEntity blockEntity) {
CompoundTag compoundTag = blockEntity.getUpdateTag();
BlockPos blockPos = blockEntity.getBlockPos();
+ if (blockEntity instanceof net.minecraft.world.level.block.entity.SkullBlockEntity) { net.minecraft.world.level.block.entity.SkullBlockEntity.sanitizeTileEntityUUID(compoundTag); } // Paper
int i = SectionPos.sectionRelative(blockPos.getX()) << 4 | SectionPos.sectionRelative(blockPos.getZ());
return new ClientboundLevelChunkPacketData.BlockEntityInfo(i, blockPos.getY(), blockEntity.getType(), compoundTag.isEmpty() ? null : compoundTag);
}
diff --git a/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
index 2a49aa1d387949e33708f5f13261e5257ea4aa2f..e3efea8623c7d34915069a6b9b7da9f2b1694c28 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/SkullBlockEntity.java
@@ -11,6 +11,7 @@ import javax.annotation.Nullable;
import net.minecraft.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
import net.minecraft.nbt.NbtUtils;
import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
import net.minecraft.server.players.GameProfileCache;
@@ -93,9 +94,37 @@ public class SkullBlockEntity extends BlockEntity {
@Override
public ClientboundBlockEntityDataPacket getUpdatePacket() {
- return ClientboundBlockEntityDataPacket.create(this);
+ return ClientboundBlockEntityDataPacket.create(this, e -> sanitizeTileEntityUUID(e.getUpdateTag())); // Paper
}
+ // Paper start
+ public static CompoundTag sanitizeTileEntityUUID(CompoundTag cmp) {
+ CompoundTag owner = cmp.getCompound("Owner");
+ if (!owner.isEmpty()) {
+ sanitizeUUID(owner);
+ }
+ return cmp;
+ }
+
+ public static void sanitizeUUID(CompoundTag owner) {
+ CompoundTag properties = owner.getCompound("Properties");
+ ListTag list = null;
+ if (!properties.isEmpty()) {
+ list = properties.getList("textures", 10);
+ }
+
+ if (list != null && !list.isEmpty()) {
+ String textures = ((CompoundTag)list.get(0)).getString("Value");
+ if (textures != null && textures.length() > 3) {
+ UUID uuid = UUID.nameUUIDFromBytes(textures.getBytes());
+ owner.putUUID("Id", uuid);
+ return;
+ }
+ }
+ owner.putUUID("Id", UUID.randomUUID());
+ }
+ // Paper end
+
@Override
public CompoundTag getUpdateTag() {
return this.saveWithoutMetadata();
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