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41 lines
3.1 KiB
Diff
41 lines
3.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paul Sauve <paul@technove.co>
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Date: Tue, 22 Jun 2021 15:04:37 -0500
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Subject: [PATCH] Use thread unsafe random for mob spawning
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 2ddd63954c98948602949ff53a7f8905c729da71..da4f0dc296c674e3ec393a724f6e2e595da536a0 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -893,7 +893,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
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}
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// Paper start - optimise random block ticking
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private final BlockPos.MutableBlockPos chunkTickMutablePosition = new BlockPos.MutableBlockPos();
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- private final com.tuinity.tuinity.util.math.ThreadUnsafeRandom randomTickRandom = new com.tuinity.tuinity.util.math.ThreadUnsafeRandom();
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+ private final com.tuinity.tuinity.util.math.ThreadUnsafeRandom randomTickRandom = new com.tuinity.tuinity.util.math.ThreadUnsafeRandom(); public java.util.Random getThreadUnsafeRandom() { return this.randomTickRandom; } // Airplane - getter
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// Paper end
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private int currentIceAndSnowTick = 0; protected void resetIceAndSnowTick() { this.currentIceAndSnowTick = this.randomTickRandom.nextInt(16); } // Airplane
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diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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index 0059f0488acc22ebddc2faf4c5879f9f0c24fd14..074e25789152b8194797d6a3bae242e08f6be577 100644
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--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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@@ -407,12 +407,12 @@ public final class NaturalSpawner {
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return spawnGroup == MobCategory.MONSTER && world.getBlockState(pos.below()).is(Blocks.NETHER_BRICKS) && structureAccessor.getStructureAt(pos, false, StructureFeature.NETHER_BRIDGE).isValid() ? StructureFeature.NETHER_BRIDGE.getSpecialEnemies() : chunkGenerator.getMobsAt(biome != null ? biome : world.getBiome(pos), structureAccessor, spawnGroup, pos);
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}
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- private static BlockPos getRandomPosWithin(Level world, LevelChunk chunk) {
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+ private static BlockPos getRandomPosWithin(ServerLevel world, LevelChunk chunk) { // Airplane - accept serverlevel
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ChunkPos chunkcoordintpair = chunk.getPos();
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- int i = chunkcoordintpair.getMinBlockX() + world.random.nextInt(16);
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- int j = chunkcoordintpair.getMinBlockZ() + world.random.nextInt(16);
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+ int i = chunkcoordintpair.getMinBlockX() + world.getThreadUnsafeRandom().nextInt(16); // Airplane - use thread unsafe random
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+ int j = chunkcoordintpair.getMinBlockZ() + world.getThreadUnsafeRandom().nextInt(16); // Airplane
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int k = chunk.getHeight(Heightmap.Types.WORLD_SURFACE, i, j) + 1;
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- int l = Mth.randomBetweenInclusive(world.random, world.getMinBuildHeight(), k);
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+ int l = Mth.randomBetweenInclusive(world.getThreadUnsafeRandom(), world.getMinBuildHeight(), k); // Airplane
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return new BlockPos(i, l, j);
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}
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