Paper/Spigot-Server-Patches/0387-Fix-some-generation-concurrency-issues.patch

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2019-08-19 07:40:04 +08:00
From 7ba63ef522932812bb156de4d28dfde7336b6872 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Fri, 24 May 2019 07:53:16 +0100
Subject: [PATCH] Fix some generation concurrency issues
diff --git a/src/main/java/net/minecraft/server/DefinedStructureManager.java b/src/main/java/net/minecraft/server/DefinedStructureManager.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-06 00:35:40 +08:00
index 8ecbd945c2..fec41a142f 100644
--- a/src/main/java/net/minecraft/server/DefinedStructureManager.java
+++ b/src/main/java/net/minecraft/server/DefinedStructureManager.java
@@ -20,7 +20,7 @@ import org.apache.logging.log4j.Logger;
public class DefinedStructureManager implements IResourcePackListener {
private static final Logger LOGGER = LogManager.getLogger();
- private final Map<MinecraftKey, DefinedStructure> b = Maps.newHashMap();
+ private final Map<MinecraftKey, DefinedStructure> b = Maps.newConcurrentMap(); // Paper
private final DataFixer c;
private final MinecraftServer d;
private final java.nio.file.Path e;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-06 00:35:40 +08:00
index e3b4e30e65..10c149faec 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -101,6 +101,23 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
private int tileTickPosition;
public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
public java.util.ArrayDeque<BlockRedstoneTorch.RedstoneUpdateInfo> redstoneUpdateInfos; // Paper - Move from Map in BlockRedstoneTorch to here
+ // Paper start - yes this is hacky as shit
+ RegionLimitedWorldAccess regionLimited;
+ World originalWorld;
+ public World regionLimited(RegionLimitedWorldAccess limitedWorldAccess) {
+ try {
+ World clone = (World) super.clone();
+ clone.regionLimited = limitedWorldAccess;
+ clone.originalWorld = this;
+ return clone;
+ } catch (CloneNotSupportedException e1) {
+ }
+ return null;
+ }
+ ChunkCoordIntPair[] strongholdCoords;
+ List<StructureStart> strongholdStuctures = Lists.newArrayList();
+ final java.lang.Object stuctureLock = new Object();
+ // Paper end
public CraftWorld getWorld() {
return this.world;
diff --git a/src/main/java/net/minecraft/server/WorldGenStronghold.java b/src/main/java/net/minecraft/server/WorldGenStronghold.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-06 00:35:40 +08:00
index ddf7268676..c2188ceef1 100644
--- a/src/main/java/net/minecraft/server/WorldGenStronghold.java
+++ b/src/main/java/net/minecraft/server/WorldGenStronghold.java
@@ -10,10 +10,12 @@ import javax.annotation.Nullable;
public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyConfiguration> {
+ /* // Paper start - no shared state
private boolean a;
private ChunkCoordIntPair[] aS;
private final List<StructureStart> aT = Lists.newArrayList();
private long aU;
+ */
public WorldGenStronghold(Function<Dynamic<?>, ? extends WorldGenFeatureEmptyConfiguration> function) {
super(function);
@@ -21,16 +23,22 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
@Override
public boolean a(ChunkGenerator<?> chunkgenerator, Random random, int i, int j) {
+ // Paper start
+ /*
if (this.aU != chunkgenerator.getSeed()) {
this.d();
}
+ */
+ final World world = chunkgenerator.getWorld();
- if (!this.a) {
+ synchronized (world.stuctureLock) {
+ if ( world.strongholdCoords == null) {
this.a(chunkgenerator);
- this.a = true;
- }
+ // this.a = true;
+ }}
+ // Paper end
- ChunkCoordIntPair[] achunkcoordintpair = this.aS;
+ ChunkCoordIntPair[] achunkcoordintpair = world.strongholdCoords; // Paper
int k = achunkcoordintpair.length;
for (int l = 0; l < k; ++l) {
@@ -45,9 +53,11 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
}
private void d() {
+ /* // Paper
this.a = false;
this.aS = null;
this.aT.clear();
+ */ // Paper
}
@Override
@@ -65,25 +75,32 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
return 8;
}
+
@Nullable
@Override
public synchronized BlockPosition getNearestGeneratedFeature(World world, ChunkGenerator<? extends GeneratorSettingsDefault> chunkgenerator, BlockPosition blockposition, int i, boolean flag) { // CraftBukkit - synchronized
if (!chunkgenerator.getWorldChunkManager().a(this)) {
return null;
} else {
+ // Paper start - no shared state
+ /*
if (this.aU != world.getSeed()) {
this.d();
}
+ */
- if (!this.a) {
- this.a(chunkgenerator);
- this.a = true;
+ synchronized (world.stuctureLock) {
+ if ( world.strongholdCoords == null) {
+ this.a(chunkgenerator);
+ //this.a = true;
+ }
}
+ // Paper end
BlockPosition blockposition1 = null;
BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
double d0 = Double.MAX_VALUE;
- ChunkCoordIntPair[] achunkcoordintpair = this.aS;
+ ChunkCoordIntPair[] achunkcoordintpair = world.strongholdCoords; // Paper
int j = achunkcoordintpair.length;
for (int k = 0; k < j; ++k) {
@@ -106,7 +123,7 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
}
private void a(ChunkGenerator<?> chunkgenerator) {
- this.aU = chunkgenerator.getSeed();
+ //this.aU = chunkgenerator.getSeed(); // Paper
List<BiomeBase> list = Lists.newArrayList();
Iterator iterator = IRegistry.BIOME.iterator();
@@ -122,15 +139,15 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
int j = chunkgenerator.getSettings().f();
int k = chunkgenerator.getSettings().g();
- this.aS = new ChunkCoordIntPair[j];
+ ChunkCoordIntPair[] strongholdCoords = chunkgenerator.getWorld().strongholdCoords = new ChunkCoordIntPair[j]; // Paper
int l = 0;
- Iterator iterator1 = this.aT.iterator();
+ Iterator iterator1 = chunkgenerator.getWorld().strongholdStuctures.iterator(); // Paper
while (iterator1.hasNext()) {
StructureStart structurestart = (StructureStart) iterator1.next();
- if (l < this.aS.length) {
- this.aS[l++] = new ChunkCoordIntPair(structurestart.f(), structurestart.g());
+ if (l < strongholdCoords.length) { // Paper
+ strongholdCoords[l++] = new ChunkCoordIntPair(structurestart.f(), structurestart.g()); // Paper
}
}
@@ -140,11 +157,11 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
double d0 = random.nextDouble() * 3.141592653589793D * 2.0D;
int i1 = l;
- if (l < this.aS.length) {
+ if (l < strongholdCoords.length) { // Paper
int j1 = 0;
int k1 = 0;
- for (int l1 = 0; l1 < this.aS.length; ++l1) {
+ for (int l1 = 0; l1 < strongholdCoords.length; ++l1) { // Paper
double d1 = (double) (4 * i + i * k1 * 6) + (random.nextDouble() - 0.5D) * (double) i * 2.5D;
int i2 = (int) Math.round(Math.cos(d0) * d1);
int j2 = (int) Math.round(Math.sin(d0) * d1);
@@ -156,7 +173,7 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
}
if (l1 >= i1) {
- this.aS[l1] = new ChunkCoordIntPair(i2, j2);
+ strongholdCoords[l1] = new ChunkCoordIntPair(i2, j2); // Paper
}
d0 += 6.283185307179586D / (double) k;
@@ -165,7 +182,7 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
++k1;
j1 = 0;
k += 2 * k / (k1 + 1);
- k = Math.min(k, this.aS.length - l1);
+ k = Math.min(k, strongholdCoords.length - l1);
d0 += random.nextDouble() * 3.141592653589793D * 2.0D;
}
}
@@ -207,7 +224,7 @@ public class WorldGenStronghold extends StructureGenerator<WorldGenFeatureEmptyC
this.a(chunkgenerator.getSeaLevel(), this.d, 10);
} while (this.b.isEmpty() || worldgenstrongholdpieces_worldgenstrongholdstart.b == null);
- ((WorldGenStronghold) this.k()).aT.add(this);
+ chunkgenerator.getWorld().strongholdStuctures.add(this); // Paper - this worries me, this is never cleared, even in vanilla (world seed never changes "world", and that appears to be the only relevant world)
}
}
}
--
2019-08-19 07:40:04 +08:00
2.22.1