1 files changed, 62 insertions, 0 deletions
diff --git a/patches/server/0680-Use-getChunkIfLoadedImmediately-in-places.patch b/patches/server/0680-Use-getChunkIfLoadedImmediately-in-places.patch
new file mode 100644
index 0000000000..99213d6d81
--- /dev/null
+++ b/patches/server/0680-Use-getChunkIfLoadedImmediately-in-places.patch
@@ -0,0 +1,62 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Spottedleaf <[email protected]>
+Date: Mon, 8 Jul 2019 00:13:36 -0700
+Subject: [PATCH] Use getChunkIfLoadedImmediately in places
+
+This prevents us from hitting chunk loads for chunks at or less-than
+ticket level 33 (yes getChunkIfLoaded will actually perform a chunk
+load in that case).
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 3864f6756f07c96607b277e250d906223cf178f6..6a526474ca4683b8df3d4a61950e661963cbc737 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -215,7 +215,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+     }
+ 
+     @Override public LevelChunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
+-        return this.chunkSource.getChunk(x, z, false);
++        return this.chunkSource.getChunkAtIfLoadedImmediately(x, z); // Paper
+     }
+ 
+     @Override
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 12fa5b4a5d9997c442dbc17e77a5fb320f9f2ed1..4cfc463818964acbd695e6cb4767883835b90eab 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -1320,7 +1320,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
+                                 speed = this.player.getAbilities().walkingSpeed * 10f;
+                             }
+                             // Paper start - Prevent moving into unloaded chunks
+-                            if (player.level.paperConfig.preventMovingIntoUnloadedChunks && (this.player.getX() != toX || this.player.getZ() != toZ) && !worldserver.hasChunk((int) Math.floor(toX) >> 4, (int) Math.floor(toZ) >> 4)) {
++                            if (player.level.paperConfig.preventMovingIntoUnloadedChunks && (this.player.getX() != toX || this.player.getZ() != toZ) && worldserver.getChunkIfLoadedImmediately((int) Math.floor(toX) >> 4, (int) Math.floor(toZ) >> 4) == null) { // Paper - use getIfLoadedImmediately
+                                 this.internalTeleport(this.player.getX(), this.player.getY(), this.player.getZ(), this.player.getYRot(), this.player.getXRot(), Collections.emptySet(), true);
+                                 return;
+                             }
+diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
+index c3ae2b4b5b4eb14d24f2c15a7e8ace8ebee84c1a..c293531a6913b365c3bf804d6d0bfae24378dc43 100644
+--- a/src/main/java/net/minecraft/world/level/Level.java
++++ b/src/main/java/net/minecraft/world/level/Level.java
+@@ -189,6 +189,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+         return (CraftServer) Bukkit.getServer();
+     }
+ 
++    // Paper start
++    @Override
++    public boolean hasChunk(int chunkX, int chunkZ) {
++        return this.getChunkIfLoaded(chunkX, chunkZ) != null;
++    }
++    // Paper end
++
+     public abstract ResourceKey<LevelStem> getTypeKey();
+ 
+     protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.concurrent.Executor executor) { // Paper - Async-Anti-Xray - Pass executor
+@@ -1366,7 +1373,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+ 
+         for (int l1 = j; l1 <= l; ++l1) {
+             for (int i2 = k; i2 <= i1; ++i2) {
+-                LevelChunk chunk = this.getChunkSource().getChunkNow(l1, i2);
++                LevelChunk chunk = (LevelChunk) this.getChunkIfLoadedImmediately(l1, i2); // Paper
+ 
+                 if (chunk != null) {
+                     for (int j2 = j1; j2 <= k1; ++j2) {