Paper/patches/server/0687-Use-getChunkIfLoadedImmediately-in-places.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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 9c4d8cb6353bb673946e9fa9402cb61e090ab8c0..709f562c5a7c907b129b30e991bb86e25634a867 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -211,7 +211,7 @@ 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
}
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@Override
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index b0c319175b40b0f1ac87152eb64b6b60ddc36464..8705df3ca3df6b4aa77b38e1a0b6ad5fc3bc3f28 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -1309,7 +1309,7 @@ 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
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index 4def51a0b2a133cf1fb2358974db2533aae0a807..e5cb991543c695bc90256ef250a1d695ac5bc17d 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -193,6 +193,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
return (CraftServer) Bukkit.getServer();
}
+ // Paper start
+ @Override
+ public boolean hasChunk(int chunkX, int chunkZ) {
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+ return this.getChunkIfLoaded(chunkX, chunkZ) != null;
+ }
+ // Paper end
+
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public abstract ResourceKey<LevelStem> getTypeKey();
protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, final DimensionType dimensionmanager, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env) {
@@ -1363,7 +1370,7 @@ 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) {