Fix more compile issues

patches/server/0315-Optimise-EntityGetter-getPlayerByUUID.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Spottedleaf <Spottedleaf@users.noreply.github.com>
+Date: Sat, 11 Jan 2020 21:50:56 -0800
+Subject: [PATCH] Optimise EntityGetter#getPlayerByUUID
+
+Use the PlayerList map instead of iterating over all players
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 893846b2b216ef67652285a59ba3c67bb2b4c78d..9ce6c66213deaac1e57986de980176e58b222368 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -329,6 +329,15 @@ public class ServerLevel extends Level implements WorldGenLevel {
+     }
+     // Paper end
+ 
++    // Paper start - optimise getPlayerByUUID
++    @Nullable
++    @Override
++    public Player getPlayerByUUID(UUID uuid) {
++        final Player player = this.getServer().getPlayerList().getPlayer(uuid);
++        return player != null && player.level() == this ? player : null;
++    }
++    // Paper end - optimise getPlayerByUUID
++
+     // Add env and gen to constructor, IWorldDataServer -> WorldDataServer
+     public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
+         // IRegistryCustom.Dimension iregistrycustom_dimension = minecraftserver.registryAccess(); // CraftBukkit - decompile error