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40 lines
2.4 KiB
Diff
40 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: violetc <58360096+s-yh-china@users.noreply.github.com>
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Date: Mon, 15 Aug 2022 08:23:51 +0800
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Subject: [PATCH] Use thread unsafe random for mob spawning
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This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)
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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 aec5396b7dea8ba45f82f487719d42a1ab0794ec..5eded2322d604c3a304194926a740818631f36de 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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@@ -429,12 +429,21 @@ public final class NaturalSpawner {
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private static BlockPos getRandomPosWithin(Level world, LevelChunk chunk) {
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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 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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-
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- return new BlockPos(i, l, j);
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+ // Leaves start - use thread unsafe random
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+ if (top.leavesmc.leaves.LeavesConfig.useMoreThreadUnsafeRandom) {
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+ int i = chunkcoordintpair.getMinBlockX() + world.getThreadUnsafeRandom().nextInt(16);
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+ int j = chunkcoordintpair.getMinBlockZ() + world.getThreadUnsafeRandom().nextInt(16);
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+ int k = chunk.getHeight(Heightmap.Types.WORLD_SURFACE, i, j) + 1;
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+ int l = Mth.randomBetweenInclusive(world.getThreadUnsafeRandom(), world.getMinBuildHeight(), k);
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+ return new BlockPos(i, l, j);
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+ } else {
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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 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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+ return new BlockPos(i, l, j);
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+ }
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+ // Leaves end - use thread unsafe random
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}
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public static boolean isValidEmptySpawnBlock(BlockGetter blockView, BlockPos pos, BlockState state, FluidState fluidState, EntityType<?> entityType) {
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