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Properly synchronise RandomSequences access

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The underlying map should be CHM, and the access to the
underlying random should be synchronised as well.
This commit is contained in:
Spottedleaf 2023-10-06 17:34:34 -07:00
parent e876103942
commit e5b552fb0c
1 changed files with 85 additions and 0 deletions
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85
patches/server/0003-Threaded-Regions.patch
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@ -16066,6 +16066,91 @@ index 028d69907a988e191213a17e072ef22710b5bc83..ffa081156313247882747ea6da182ee5
}
}
}
diff --git a/src/main/java/net/minecraft/world/RandomSequences.java b/src/main/java/net/minecraft/world/RandomSequences.java
index b8adc775270a4cc179ce009d41f48c8c898a5b68..281f41edbb08ec2872e42f4fca0082a48e26d8a5 100644
--- a/src/main/java/net/minecraft/world/RandomSequences.java
+++ b/src/main/java/net/minecraft/world/RandomSequences.java
@@ -20,7 +20,7 @@ public class RandomSequences extends SavedData {
private int salt;
private boolean includeWorldSeed = true;
private boolean includeSequenceId = true;
- private final Map<ResourceLocation, RandomSequence> sequences = new Object2ObjectOpenHashMap<>();
+ private final Map<ResourceLocation, RandomSequence> sequences = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading
public static SavedData.Factory<RandomSequences> factory(long seed) {
return new SavedData.Factory<>(() -> {
@@ -116,61 +116,61 @@ public class RandomSequences extends SavedData {
@Override
public RandomSource fork() {
RandomSequences.this.setDirty();
- return this.random.fork();
+ synchronized (this.random) { return this.random.fork(); } // Folia - region threading
}
@Override
public PositionalRandomFactory forkPositional() {
RandomSequences.this.setDirty();
- return this.random.forkPositional();
+ synchronized (this.random) { return this.random.forkPositional(); } // Folia - region threading
}
@Override
public void setSeed(long seed) {
RandomSequences.this.setDirty();
- this.random.setSeed(seed);
+ synchronized (this.random) { this.random.setSeed(seed); } // Folia - region threading
}
@Override
public int nextInt() {
RandomSequences.this.setDirty();
- return this.random.nextInt();
+ synchronized (this.random) { return this.random.nextInt(); } // Folia - region threading
}
@Override
public int nextInt(int bound) {
RandomSequences.this.setDirty();
- return this.random.nextInt(bound);
+ synchronized (this.random) { return this.random.nextInt(bound); } // Folia - region threading
}
@Override
public long nextLong() {
RandomSequences.this.setDirty();
- return this.random.nextLong();
+ synchronized (this.random) { return this.random.nextLong(); } // Folia - region threading
}
@Override
public boolean nextBoolean() {
RandomSequences.this.setDirty();
- return this.random.nextBoolean();
+ synchronized (this.random) { return this.random.nextBoolean(); } // Folia - region threading
}
@Override
public float nextFloat() {
RandomSequences.this.setDirty();
- return this.random.nextFloat();
+ synchronized (this.random) { return this.random.nextFloat(); } // Folia - region threading
}
@Override
public double nextDouble() {
RandomSequences.this.setDirty();
- return this.random.nextDouble();
+ synchronized (this.random) { return this.random.nextDouble(); } // Folia - region threading
}
@Override
public double nextGaussian() {
RandomSequences.this.setDirty();
- return this.random.nextGaussian();
+ synchronized (this.random) { return this.random.nextGaussian(); } // Folia - region threading
}
@Override
diff --git a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java b/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
index 9c99b2e365aacb8309f29acb9025faccd2c676b3..d02bc26812321745795d2f0bc3705addd0be912d 100644
--- a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java