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PaperSpigot-Parent/CraftBukkit-Patches/0129-Convert-player-heads-async.patch

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From 91bdfad229c2a64a1308cb3733e11af2a88d6959 Mon Sep 17 00:00:00 2001
From: Thinkofdeath <thethinkofdeath@gmail.com>
Date: Wed, 9 Apr 2014 13:29:57 +0100
Subject: [PATCH] Convert player heads async
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 90f32ed..6c2e905 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -513,6 +513,13 @@ public class Chunk {
if (tileentity != null) {
tileentity.u();
}
+
+ // Spigot start
+ if ( tileentity instanceof TileEntitySkull )
+ {
+ org.spigotmc.HeadConverter.convertHead( (TileEntitySkull) tileentity );
+ }
+ // Spigot end
}
this.n = true;
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index fb262bc..4c086d3 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -378,6 +378,12 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
TileEntity tileentity = TileEntity.c(nbttagcompound4);
if (tileentity != null) {
+ // Spigot start
+ if ( tileentity instanceof TileEntitySkull )
+ {
+ org.spigotmc.HeadConverter.convertHead( (TileEntitySkull) tileentity );
+ }
+ // Spigot end
chunk.a(tileentity);
}
}
diff --git a/src/main/java/net/minecraft/server/ItemSkull.java b/src/main/java/net/minecraft/server/ItemSkull.java
index 6b2bf9b..5a74142 100644
--- a/src/main/java/net/minecraft/server/ItemSkull.java
+++ b/src/main/java/net/minecraft/server/ItemSkull.java
@@ -68,6 +68,7 @@ public class ItemSkull extends Item {
((TileEntitySkull) tileentity).setSkullType(itemstack.getData(), s);
((TileEntitySkull) tileentity).setRotation(i1);
((BlockSkull) Blocks.SKULL).a(world, i, j, k, (TileEntitySkull) tileentity);
+ org.spigotmc.HeadConverter.convertHead( (TileEntitySkull) tileentity ); // Spigot
}
--itemstack.count;
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutTileEntityData.java b/src/main/java/net/minecraft/server/PacketPlayOutTileEntityData.java
index 005f1fe..4780c53 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutTileEntityData.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutTileEntityData.java
@@ -1,5 +1,7 @@
package net.minecraft.server;
+import net.minecraft.util.com.mojang.authlib.GameProfile;
+
public class PacketPlayOutTileEntityData extends Packet {
private int a;
@@ -41,12 +43,14 @@ public class PacketPlayOutTileEntityData extends Packet {
packetdataserializer.writeShort(this.b);
packetdataserializer.writeInt(this.c);
packetdataserializer.writeByte((byte) this.d);
- if ( this.e.hasKey( "ExtraType" ) )
+ if ( this.e.hasKey( "ExtraType" ) && !this.e.hasKey( "Owner" ) )
{
NBTTagCompound profile = new NBTTagCompound();
profile.setString( "Name", this.e.getString( "ExtraType" ) );
profile.setString( "Id", "" );
this.e.set( "Owner", profile );
+ } else {
+ this.e.remove( "ExtraType" );
}
packetdataserializer.a(this.e);
}
diff --git a/src/main/java/net/minecraft/server/TileEntitySkull.java b/src/main/java/net/minecraft/server/TileEntitySkull.java
index b241cfe..925e017 100644
--- a/src/main/java/net/minecraft/server/TileEntitySkull.java
+++ b/src/main/java/net/minecraft/server/TileEntitySkull.java
@@ -5,6 +5,7 @@ public class TileEntitySkull extends TileEntity {
private int a;
private int i;
private String j = "";
+ private NBTTagCompound owner = null;
public TileEntitySkull() {}
@@ -13,6 +14,7 @@ public class TileEntitySkull extends TileEntity {
nbttagcompound.setByte("SkullType", (byte) (this.a & 255));
nbttagcompound.setByte("Rot", (byte) (this.i & 255));
nbttagcompound.setString("ExtraType", this.j);
+ if ( owner != null ) nbttagcompound.set( "Owner", owner );
}
public void a(NBTTagCompound nbttagcompound) {
@@ -22,6 +24,10 @@ public class TileEntitySkull extends TileEntity {
if (nbttagcompound.hasKeyOfType("ExtraType", 8)) {
this.j = nbttagcompound.getString("ExtraType");
}
+ if ( nbttagcompound.hasKey( "Owner" ) )
+ {
+ owner = nbttagcompound.getCompound( "Owner" );
+ }
}
public Packet getUpdatePacket() {
diff --git a/src/main/java/org/spigotmc/HeadConverter.java b/src/main/java/org/spigotmc/HeadConverter.java
new file mode 100644
index 0000000..d84a862
--- /dev/null
+++ b/src/main/java/org/spigotmc/HeadConverter.java
@@ -0,0 +1,169 @@
+package org.spigotmc;
+
+import com.google.common.base.Charsets;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import net.minecraft.server.EntityHuman;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.NBTTagCompound;
+import net.minecraft.server.NBTTagList;
+import net.minecraft.server.TileEntitySkull;
+import net.minecraft.util.com.mojang.authlib.GameProfile;
+import org.bukkit.Bukkit;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class HeadConverter
+{
+ private static final Executor executor = Executors.newFixedThreadPool( 3,
+ new ThreadFactoryBuilder()
+ .setNameFormat( "Head Conversion Thread - %1$d" )
+ .build()
+ );
+ private static boolean hasWarned = false;
+
+ public static void convertHead(final TileEntitySkull head)
+ {
+ if ( head.getSkullType() != 3 )
+ {
+ return;
+ }
+ final int x = head.x;
+ final int y = head.y;
+ final int z = head.z;
+ final String name = head.getExtraType();
+ final NBTTagCompound tag = new NBTTagCompound();
+ head.b( tag );
+ if ( tag.hasKey( "Owner" ) && tag.getCompound( "Owner" ).hasKey( "Properties" ) )
+ {
+ return;
+ }
+
+ executor.execute( new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ HttpURLConnection connection = null;
+ try
+ {
+ // Firstly convert name -> uuid
+ URL accountsAPI = new URL( "https://api.mojang.com/profiles/page/1" );
+
+ connection = (HttpURLConnection) accountsAPI.openConnection();
+ connection.setRequestProperty( "Content-Type", "application/json" );
+ connection.setRequestMethod( "POST" );
+ connection.setDoInput( true );
+ connection.setDoOutput( true );
+
+ OutputStream outputStream = connection.getOutputStream();
+ outputStream.write( ( "[{\"name\":\"" + name +
+ "\", \"agent\":\"minecraft\"}]" ).getBytes( Charsets.UTF_8 ) );
+ outputStream.flush();
+ outputStream.close();
+
+ InputStreamReader inputStreamReader = new InputStreamReader( connection.getInputStream() );
+ JsonObject response;
+ try
+ {
+ response = new JsonParser().parse( inputStreamReader )
+ .getAsJsonObject();
+ } finally
+ {
+ inputStreamReader.close();
+ }
+ if ( response.get( "size" ).getAsInt() != 1 ||
+ response.getAsJsonArray( "profiles" ).size() != 1 )
+ {
+ return;
+ }
+ String uuid = response.getAsJsonArray( "profiles" )
+ .get( 0 ).getAsJsonObject()
+ .get( "id" ).getAsString();
+
+ NBTTagCompound owner = new NBTTagCompound();
+ GameProfile gameProfile = new GameProfile( uuid, name );
+ owner.setString( "Name", name );
+ owner.setString( "Id", EntityHuman.a( gameProfile ).toString() );
+
+ NBTTagCompound properties = new NBTTagCompound();
+
+ // Now to lookup the textures
+
+ URL url = new URL( "https://sessionserver.mojang.com/session/minecraft/profile/" + uuid );
+ connection.disconnect();
+ connection = (HttpURLConnection) url.openConnection();
+ connection.setDoOutput( true );
+ inputStreamReader = new InputStreamReader( connection.getInputStream() );
+ try
+ {
+ response = new JsonParser().parse( inputStreamReader )
+ .getAsJsonObject();
+ } finally
+ {
+ inputStreamReader.close();
+ }
+
+ if ( !response.has( "properties" ) )
+ {
+ return;
+ }
+ JsonArray props = response.getAsJsonArray( "properties" );
+ for ( JsonElement e : props )
+ {
+ JsonObject element = e.getAsJsonObject();
+ NBTTagCompound prop = new NBTTagCompound();
+ prop.setString( "Signature", element.get( "signature" ).getAsString() );
+ prop.setString( "Value", element.get( "value" ).getAsString() );
+ NBTTagList propList = new NBTTagList();
+ propList.add( prop );
+ properties.set( element.get( "name" ).getAsString(), propList );
+ }
+ owner.set( "Properties", properties );
+ tag.set( "Owner", owner );
+
+ // Update the tile entity
+ MinecraftServer.getServer().processQueue.add( new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ head.a( tag );
+ // Send the updated version
+ MinecraftServer.getServer().getPlayerList().sendPacketNearby(
+ x, y, z, head.getWorld().spigotConfig.viewDistance * 16, head.getWorld().worldData.j(),
+ head.getUpdatePacket() );
+ }
+ } );
+
+ } catch ( MalformedURLException e )
+ {
+ e.printStackTrace();
+ } catch ( IOException e )
+ {
+ if (!hasWarned)
+ {
+ hasWarned = true;
+ Bukkit.getLogger().warning( "Error connecting to Mojang servers, cannot convert player heads" );
+ }
+ } finally
+ {
+ if ( connection != null )
+ {
+ connection.disconnect();
+ }
+ }
+ }
+ } );
+ }
+}
--
1.8.5.2.msysgit.0
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