Caffeine to improve cache performance

sources/src/main/java/io/akarin/server/mixin/optimization/MixinEntity.java

@@ -20,6 +20,10 @@ public abstract class MixinEntity {
     
     @Overwrite // PAIL: isInLava
     public boolean au() {
+        /*
+         * This is originally comes from Migot (https://github.com/Poweruser/Migot/commit/cafbf1707107d2a3aa6232879f305975bb1f0285)
+         * Thanks @Poweruser
+         */
         int currentTick = MinecraftServer.currentTick;
         if (this.lastLavaCheck != currentTick) {
             this.lastLavaCheck = currentTick;

sources/src/main/java/net/minecraft/server/TileEntitySkull.java

@@ -0,0 +1,261 @@
+package net.minecraft.server;
+
+import com.google.common.collect.Iterables;
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.minecraft.MinecraftSessionService;
+import com.mojang.authlib.properties.Property;
+import java.util.UUID;
+import javax.annotation.Nullable;
+
+// Spigot start
+import com.google.common.base.Predicate;
+import com.google.common.cache.LoadingCache;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.util.concurrent.Futures;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import com.mojang.authlib.Agent;
+import com.mojang.authlib.ProfileLookupCallback;
+import java.util.concurrent.Callable;
+// Spigot end
+
+public class TileEntitySkull extends TileEntity /*implements ITickable*/ { // Paper - remove tickable
+
+    private int a;
+    public int rotation;
+    private GameProfile g;
+    private int h;
+    private boolean i;
+    private static UserCache j;
+    private static MinecraftSessionService k;
+    // Spigot start
+    public static final ExecutorService executor = Executors.newFixedThreadPool(3,
+            new ThreadFactoryBuilder()
+                    .setNameFormat("Head Conversion Thread - %1$d")
+                    .build()
+    );
+    public static final com.github.benmanes.caffeine.cache.LoadingCache<String, GameProfile> skinCache = com.github.benmanes.caffeine.cache.Caffeine.newBuilder() // Akarin - caffeine
+            .maximumSize( 5000 )
+            .expireAfterAccess( 60, TimeUnit.MINUTES )
+            .build( new com.github.benmanes.caffeine.cache.CacheLoader<String, GameProfile>() // Akarin - caffeine
+            {
+                @Override
+                public GameProfile load(String key) // Akarin - remove exception
+                {
+                    final GameProfile[] profiles = new GameProfile[1];
+                    ProfileLookupCallback gameProfileLookup = new ProfileLookupCallback() {
+
+                        @Override
+                        public void onProfileLookupSucceeded(GameProfile gp) {
+                            profiles[0] = gp;
+                        }
+
+                        @Override
+                        public void onProfileLookupFailed(GameProfile gp, Exception excptn) {
+                            profiles[0] = gp;
+                        }
+                    };
+
+                    MinecraftServer.getServer().getGameProfileRepository().findProfilesByNames(new String[] { key }, Agent.MINECRAFT, gameProfileLookup);
+
+                    GameProfile profile = profiles[ 0 ];
+                    if (profile == null) {
+                        UUID uuid = EntityHuman.a(new GameProfile(null, key));
+                        profile = new GameProfile(uuid, key);
+
+                        gameProfileLookup.onProfileLookupSucceeded(profile);
+                    } else
+                    {
+
+                        Property property = Iterables.getFirst( profile.getProperties().get( "textures" ), null );
+
+                        if ( property == null )
+                        {
+                            profile = MinecraftServer.getServer().az().fillProfileProperties( profile, true );
+                        }
+                    }
+
+
+                    return profile;
+                }
+            } );
+    // Spigot end
+
+    public TileEntitySkull() {}
+
+    public static void a(UserCache usercache) {
+        TileEntitySkull.j = usercache;
+    }
+
+    public static void a(MinecraftSessionService minecraftsessionservice) {
+        TileEntitySkull.k = minecraftsessionservice;
+    }
+
+    public NBTTagCompound save(NBTTagCompound nbttagcompound) {
+        super.save(nbttagcompound);
+        nbttagcompound.setByte("SkullType", (byte) (this.a & 255));
+        nbttagcompound.setByte("Rot", (byte) (this.rotation & 255));
+        if (this.g != null) {
+            NBTTagCompound nbttagcompound1 = new NBTTagCompound();
+
+            GameProfileSerializer.serialize(nbttagcompound1, this.g);
+            nbttagcompound.set("Owner", nbttagcompound1);
+        }
+
+        return nbttagcompound;
+    }
+
+    public void load(NBTTagCompound nbttagcompound) {
+        super.load(nbttagcompound);
+        this.a = nbttagcompound.getByte("SkullType");
+        this.rotation = nbttagcompound.getByte("Rot");
+        if (this.a == 3) {
+            if (nbttagcompound.hasKeyOfType("Owner", 10)) {
+                this.g = GameProfileSerializer.deserialize(nbttagcompound.getCompound("Owner"));
+            } else if (nbttagcompound.hasKeyOfType("ExtraType", 8)) {
+                String s = nbttagcompound.getString("ExtraType");
+
+                if (!UtilColor.b(s)) {
+                    this.g = new GameProfile((UUID) null, s);
+                    this.i();
+                }
+            }
+        }
+
+    }
+
+    public void e() {
+        if (this.a == 5) {
+            if (this.world.isBlockIndirectlyPowered(this.position)) {
+                this.i = true;
+                ++this.h;
+            } else {
+                this.i = false;
+            }
+        }
+
+    }
+
+    @Nullable
+    public GameProfile getGameProfile() {
+        return this.g;
+    }
+
+    @Nullable
+    public PacketPlayOutTileEntityData getUpdatePacket() {
+        return new PacketPlayOutTileEntityData(this.position, 4, this.d());
+    }
+
+    public NBTTagCompound d() {
+        return this.save(new NBTTagCompound());
+    }
+
+    public void setSkullType(int i) {
+        this.a = i;
+        this.g = null;
+    }
+
+    public void setGameProfile(@Nullable GameProfile gameprofile) {
+        this.a = 3;
+        this.g = gameprofile;
+        this.i();
+    }
+
+    private void i() {
+        // Spigot start
+        GameProfile profile = this.g;
+        setSkullType( 0 ); // Work around client bug
+        b(profile, new Predicate<GameProfile>() {
+
+            @Override
+            public boolean apply(GameProfile input) {
+                setSkullType(3); // Work around client bug
+                g = input;
+                update();
+                if (world != null) {
+                    world.m(position); // PAIL: notify
+                }
+                return false;
+            }
+        }, false); 
+        // Spigot end
+    }
+
+    // Spigot start - Support async lookups
+    public static Future<GameProfile> b(final GameProfile gameprofile, final Predicate<GameProfile> callback, boolean sync) {
+        if (gameprofile != null && !UtilColor.b(gameprofile.getName())) {
+            if (gameprofile.isComplete() && gameprofile.getProperties().containsKey("textures")) {
+                callback.apply(gameprofile);
+            } else if (MinecraftServer.getServer() == null) {
+                callback.apply(gameprofile);
+            } else {
+                GameProfile profile = skinCache.getIfPresent(gameprofile.getName().toLowerCase(java.util.Locale.ROOT));
+                if (profile != null && Iterables.getFirst(profile.getProperties().get("textures"), (Object) null) != null) {
+                    callback.apply(profile);
+
+                    return Futures.immediateFuture(profile);
+                } else {
+                    Callable<GameProfile> callable = new Callable<GameProfile>() {
+                        @Override
+                        public GameProfile call() {
+                            final GameProfile profile = skinCache.getIfPresent(gameprofile.getName().toLowerCase(java.util.Locale.ROOT)); // Akarin - caffeine
+                            MinecraftServer.getServer().processQueue.add(new Runnable() {
+                                @Override
+                                public void run() {
+                                    if (profile == null) {
+                                        callback.apply(gameprofile);
+                                    } else {
+                                        callback.apply(profile);
+                                    }
+                                }
+                            });
+                            return profile;
+                        }
+                    };
+                    if (sync) {
+                        try {
+                            return Futures.immediateFuture(callable.call());
+                        } catch (Exception ex) {
+                            com.google.common.base.Throwables.throwIfUnchecked(ex);
+                            throw new RuntimeException(ex); // Not possible
+                        }
+                    } else {
+                        return executor.submit(callable);
+                    }
+                }
+            }
+        } else {
+            callback.apply(gameprofile);
+        }
+
+        return Futures.immediateFuture(gameprofile);
+    }
+    // Spigot end
+
+    public int getSkullType() {
+        return this.a;
+    }
+
+    public void setRotation(int i) {
+        this.rotation = i;
+    }
+
+    public void a(EnumBlockMirror enumblockmirror) {
+        if (this.world != null && this.world.getType(this.getPosition()).get(BlockSkull.FACING) == EnumDirection.UP) {
+            this.rotation = enumblockmirror.a(this.rotation, 16);
+        }
+
+    }
+
+    public void a(EnumBlockRotation enumblockrotation) {
+        if (this.world != null && this.world.getType(this.getPosition()).get(BlockSkull.FACING) == EnumDirection.UP) {
+            this.rotation = enumblockrotation.a(this.rotation, 16);
+        }
+
+    }
+}