From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: hayanesuru Date: Tue, 3 Jun 2025 15:20:40 +0900 Subject: [PATCH] optimise getBiome diff --git a/net/minecraft/advancements/critereon/LocationPredicate.java b/net/minecraft/advancements/critereon/LocationPredicate.java index a26a5311f87873e0d4d26fda9cb8956a32ee81e8..65e4315cce35814c60b21bbd5baea2ffac82162c 100644 --- a/net/minecraft/advancements/critereon/LocationPredicate.java +++ b/net/minecraft/advancements/critereon/LocationPredicate.java @@ -49,7 +49,7 @@ public record LocationPredicate( } else { BlockPos blockPos = BlockPos.containing(x, y, z); boolean isLoaded = level.isLoaded(blockPos); - return (!this.biomes.isPresent() || isLoaded && this.biomes.get().contains(level.getBiome(blockPos))) + return (!this.biomes.isPresent() || isLoaded && this.biomes.get().contains(org.dreeam.leaf.config.modules.opt.OptimizeBiome.advancement ? level.getBiomeCached(blockPos) : level.getBiome(blockPos))) // Leaf - cache getBiome && (!this.structures.isPresent() || isLoaded && level.structureManager().getStructureWithPieceAt(blockPos, this.structures.get()).isValid()) && (!this.smokey.isPresent() || isLoaded && this.smokey.get() == CampfireBlock.isSmokeyPos(level, blockPos)) && (!this.light.isPresent() || this.light.get().matches(level, blockPos)) diff --git a/net/minecraft/world/level/LevelReader.java b/net/minecraft/world/level/LevelReader.java index 0842fd6488c8b27d98c4344e1244996b4c0e9912..c6ddb49648c55443ae880c1adba9887ab0681c82 100644 --- a/net/minecraft/world/level/LevelReader.java +++ b/net/minecraft/world/level/LevelReader.java @@ -57,6 +57,12 @@ public interface LevelReader extends ca.spottedleaf.moonrise.patches.chunk_syste return this.getBiomeManager().getBiome(pos); } + // Leaf start - cache getBiome + default Holder getBiomeCached(BlockPos pos) { + return this.getBiomeManager().getBiomeCached(pos); + } + // Leaf end - cache getBiome + default Stream getBlockStatesIfLoaded(AABB aabb) { int floor = Mth.floor(aabb.minX); int floor1 = Mth.floor(aabb.maxX); diff --git a/net/minecraft/world/level/NaturalSpawner.java b/net/minecraft/world/level/NaturalSpawner.java index a2da4fce50f31d56036d04041c4f80ed90c18b27..f242941ce06d356a025e306efe78c688e9b755c4 100644 --- a/net/minecraft/world/level/NaturalSpawner.java +++ b/net/minecraft/world/level/NaturalSpawner.java @@ -443,7 +443,7 @@ public final class NaturalSpawner { private static Optional getRandomSpawnMobAt( ServerLevel level, StructureManager structureManager, ChunkGenerator generator, MobCategory category, RandomSource random, BlockPos pos ) { - Holder biome = level.getBiome(pos); + Holder biome = org.dreeam.leaf.config.modules.opt.OptimizeBiome.mobSpawn ? level.getBiomeCached(pos) : level.getBiome(pos); // Leaf - cache getBiome return category == MobCategory.WATER_AMBIENT && biome.is(BiomeTags.REDUCED_WATER_AMBIENT_SPAWNS) && random.nextFloat() < 0.98F ? Optional.empty() : mobsAt(level, structureManager, generator, category, pos, biome).getRandom(random); @@ -460,7 +460,7 @@ public final class NaturalSpawner { ) { return isInNetherFortressBounds(pos, level, cetagory, structureManager) ? NetherFortressStructure.FORTRESS_ENEMIES - : generator.getMobsAt(biome != null ? biome : level.getBiome(pos), structureManager, cetagory, pos); + : generator.getMobsAt(biome != null ? biome : (org.dreeam.leaf.config.modules.opt.OptimizeBiome.mobSpawn ? level.getBiomeCached(pos) : level.getBiome(pos)), structureManager, cetagory, pos); // Leaf - cache getBiome } public static boolean isInNetherFortressBounds(BlockPos pos, ServerLevel level, MobCategory category, StructureManager structureManager) { diff --git a/net/minecraft/world/level/biome/BiomeManager.java b/net/minecraft/world/level/biome/BiomeManager.java index a48175a7ebb1788ace46395621ed78d910178a53..00122472991ba0c1a0ea77053aad71cdfa92a7bd 100644 --- a/net/minecraft/world/level/biome/BiomeManager.java +++ b/net/minecraft/world/level/biome/BiomeManager.java @@ -15,10 +15,23 @@ public class BiomeManager { private final BiomeManager.NoiseBiomeSource noiseBiomeSource; private final long biomeZoomSeed; private static final double maxOffset = 0.4500000001D; // Leaf - Carpet-Fixes - Optimized getBiome method + // Leaf start - cache getBiome + private final Holder[] biomeCache; + private final long[] biomeCachePos; + // Leaf end - cache getBiome public BiomeManager(BiomeManager.NoiseBiomeSource noiseBiomeSource, long biomeZoomSeed) { this.noiseBiomeSource = noiseBiomeSource; this.biomeZoomSeed = biomeZoomSeed; + // Leaf start - cache getBiome + if (org.dreeam.leaf.config.modules.opt.OptimizeBiome.enabled) { + biomeCache = new Holder[65536]; + biomeCachePos = new long[65536]; + } else { + biomeCache = null; + biomeCachePos = null; + } + // Leaf end - cache getBiome } public static long obfuscateSeed(long seed) { @@ -29,6 +42,40 @@ public class BiomeManager { return new BiomeManager(newSource, this.biomeZoomSeed); } + // Leaf start - cache getBiome + public Holder getBiomeCached(BlockPos pos) { + if (biomeCache == null) { + return getBiome(pos); + } + int xMinus2 = pos.getX() - 2; + int yMinus2 = pos.getY() - 2; + int zMinus2 = pos.getZ() - 2; + int x = xMinus2 >> 2; + int y = yMinus2 >> 2; + int z = zMinus2 >> 2; + long packedPos = BlockPos.asLong(x, y, z); + long hash = packedPos; + hash = (hash ^ (hash >>> 32)) * 0xff51afd7ed558ccdL; + hash = (hash ^ (hash >>> 32)) * 0xc4ceb9fe1a85ec53L; + hash = (hash ^ (hash >>> 32)) & 65535L; + + long pos1 = biomeCachePos[(int) hash]; + if (pos1 == packedPos) { + Holder biome = biomeCache[(int) hash]; + if (biome != null) { + return biome; + } + } + + Holder biome = getBiome(pos); + + biomeCache[(int) hash] = biome; + biomeCachePos[(int) hash] = packedPos; + + return biome; + } + // Leaf end - cache getBiome + public Holder getBiome(BlockPos pos) { // Leaf start - Carpet-Fixes - Optimized getBiome method int xMinus2 = pos.getX() - 2; @@ -126,9 +173,18 @@ public class BiomeManager { return Mth.square(zNoise + fiddle2) + Mth.square(yNoise + fiddle1) + Mth.square(xNoise + fiddle); } + // Leaf start - optimise getBiome + private static final double[] FIDDLE_TABLE = new double[1024]; + static { + for (int i = 0; i < 1024; i++) { + FIDDLE_TABLE[i] = (i - 512) * (0.9 / 1024.0); + } + } private static double getFiddle(long seed) { - return (double)(((seed >> 24) & (1024 - 1)) - (1024/2)) * (0.9 / 1024.0); // Paper - avoid floorMod, fp division, and fp subtraction + return FIDDLE_TABLE[(int)(seed >>> 24) & 1023]; + //return (double)(((seed >> 24) & (1024 - 1)) - (1024/2)) * (0.9 / 1024.0); // Paper - avoid floorMod, fp division, and fp subtraction } + // Leaf end - optimise getBiome public interface NoiseBiomeSource { Holder getNoiseBiome(int x, int y, int z);