geforkt von Mirrors/Paper
214 Zeilen
9.1 KiB
Diff
214 Zeilen
9.1 KiB
Diff
From 17d05aa6301af9a703e4c69765952d19a0b97e95 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
|
|
index 6aa0ca3959..ed9b5c63f0 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
|
|
index 0acdb527d9..a7a35d6a6f 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
|
|
index eca27e52e9..fb3463fcce 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 BlockPosition getNearestGeneratedFeature(World world, ChunkGenerator<? extends GeneratorSettingsDefault> chunkgenerator, BlockPosition blockposition, int i, boolean flag) {
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
--
|
|
2.22.0
|
|
|