mirror of https://github.com/PaperMC/Paper.git
141 lines
8.0 KiB
Diff
141 lines
8.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: JRoy <joshroy126@gmail.com>
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Date: Mon, 29 Jun 2020 17:03:06 -0400
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Subject: [PATCH] Remove some streams from structures
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This showed up a lot in the spark profiler, should have a low-medium performance improvement.
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diff --git a/src/main/java/net/minecraft/world/level/StructureManager.java b/src/main/java/net/minecraft/world/level/StructureManager.java
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index 6fe276b29aa9fe1b312ef2773484fa780506fded..07dcfd56af1014ad159828dd9ee2d89c2010b9f4 100644
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--- a/src/main/java/net/minecraft/world/level/StructureManager.java
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+++ b/src/main/java/net/minecraft/world/level/StructureManager.java
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@@ -2,6 +2,7 @@
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package net.minecraft.world.level;
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import com.mojang.datafixers.DataFixUtils;
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+import it.unimi.dsi.fastutil.objects.ObjectArrayList; // Paper
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import java.util.stream.Stream;
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import javax.annotation.Nullable;
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import net.minecraft.core.BaseBlockPosition;
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@@ -12,11 +13,12 @@ import net.minecraft.world.level.chunk.ChunkStatus;
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import net.minecraft.world.level.chunk.IStructureAccess;
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import net.minecraft.world.level.levelgen.GeneratorSettings;
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import net.minecraft.world.level.levelgen.feature.StructureGenerator;
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+import net.minecraft.world.level.levelgen.structure.StructurePiece;
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import net.minecraft.world.level.levelgen.structure.StructureStart;
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public class StructureManager {
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- private final GeneratorAccess a;
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+ private final GeneratorAccess a; public GeneratorAccess getLevel() { return a; } // Paper - OBFHELPER
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private final GeneratorSettings b;
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public StructureManager(GeneratorAccess generatoraccess, GeneratorSettings generatorsettings) {
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@@ -42,6 +44,20 @@ public class StructureManager {
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});
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}
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+ // Paper start - remove structure streams
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+ public java.util.List<StructureStart<?>> getFeatureStarts(SectionPosition sectionPosition, StructureGenerator<?> structureGenerator) {
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+ java.util.List<StructureStart<?>> list = new ObjectArrayList<>();
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+ for (Long curLong: getLevel().getChunkAt(sectionPosition.a(), sectionPosition.c(), ChunkStatus.STRUCTURE_REFERENCES).b(structureGenerator)) {
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+ SectionPosition sectionPosition1 = SectionPosition.a(new ChunkCoordIntPair(curLong), 0);
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+ StructureStart<?> structurestart = a(sectionPosition1, structureGenerator, getLevel().getChunkAt(sectionPosition1.a(), sectionPosition1.c(), ChunkStatus.STRUCTURE_STARTS));
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+ if (structurestart != null && structurestart.e()) {
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+ list.add(structurestart);
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+ }
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+ }
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+ return list;
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+ }
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+ // Paper end
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+
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@Nullable
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public StructureStart<?> a(SectionPosition sectionposition, StructureGenerator<?> structuregenerator, IStructureAccess istructureaccess) {
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return istructureaccess.a(structuregenerator);
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@@ -60,13 +76,21 @@ public class StructureManager {
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}
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public StructureStart<?> a(BlockPosition blockposition, boolean flag, StructureGenerator<?> structuregenerator) {
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- return (StructureStart) DataFixUtils.orElse(this.a(SectionPosition.a(blockposition), structuregenerator).filter((structurestart) -> {
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- return structurestart.c().b((BaseBlockPosition) blockposition);
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- }).filter((structurestart) -> {
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- return !flag || structurestart.d().stream().anyMatch((structurepiece) -> {
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- return structurepiece.g().b((BaseBlockPosition) blockposition);
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- });
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- }).findFirst(), StructureStart.a);
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+ // Paper start - remove structure streams
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+ for (StructureStart<?> structurestart : getFeatureStarts(SectionPosition.a(blockposition), structuregenerator)) {
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+ if (structurestart.c().b(blockposition)) {
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+ if (!flag) {
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+ return structurestart;
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+ }
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+ for (StructurePiece structurepiece : structurestart.d()) {
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+ if (structurepiece.g().b(blockposition)) {
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+ return structurestart;
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+ }
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+ }
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+ }
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+ }
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+ return StructureStart.a;
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+ // Paper end
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}
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// Spigot start
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diff --git a/src/main/java/net/minecraft/world/level/biome/BiomeBase.java b/src/main/java/net/minecraft/world/level/biome/BiomeBase.java
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index 7147cdda756ccb3d4f6880802128f68601783883..15096a9c2719b8b4c099f62d0a1c808e56b63a8e 100644
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--- a/src/main/java/net/minecraft/world/level/biome/BiomeBase.java
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+++ b/src/main/java/net/minecraft/world/level/biome/BiomeBase.java
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@@ -39,6 +39,7 @@ import net.minecraft.world.level.levelgen.WorldGenStage;
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import net.minecraft.world.level.levelgen.feature.StructureGenerator;
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import net.minecraft.world.level.levelgen.feature.WorldGenFeatureConfigured;
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import net.minecraft.world.level.levelgen.structure.StructureBoundingBox;
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+import net.minecraft.world.level.levelgen.structure.StructureStart;
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import net.minecraft.world.level.levelgen.surfacebuilders.WorldGenSurfaceComposite;
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import net.minecraft.world.level.levelgen.synth.NoiseGenerator3;
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import net.minecraft.world.level.material.Fluid;
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@@ -238,9 +239,11 @@ public final class BiomeBase {
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int l1 = j1 << 4;
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try {
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- structuremanager.a(SectionPosition.a(blockposition), structuregenerator).forEach((structurestart) -> {
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- structurestart.a(regionlimitedworldaccess, structuremanager, chunkgenerator, seededrandom, new StructureBoundingBox(k1, l1, k1 + 15, l1 + 15), new ChunkCoordIntPair(i1, j1));
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- });
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+ // Paper start - remove structure streams
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+ for (StructureStart<?> structureStart : structuremanager.getFeatureStarts(SectionPosition.a(blockposition), structuregenerator)) {
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+ structureStart.a(regionlimitedworldaccess, structuremanager, chunkgenerator, seededrandom, new StructureBoundingBox(k1, l1, k1 + 15, l1 + 15), new ChunkCoordIntPair(i1, j1));
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+ }
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+ // Paper end
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} catch (Exception exception) {
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CrashReport crashreport = CrashReport.a(exception, "Feature placement");
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/ChunkGeneratorAbstract.java b/src/main/java/net/minecraft/world/level/levelgen/ChunkGeneratorAbstract.java
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index 700b32322e8d0fbb8ec2824e50a340be16b48f81..369fb0bda22f02e76b901b6eb8990651c53c7577 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/ChunkGeneratorAbstract.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/ChunkGeneratorAbstract.java
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@@ -40,6 +40,7 @@ import net.minecraft.world.level.levelgen.feature.structures.WorldGenFeatureDefi
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import net.minecraft.world.level.levelgen.feature.structures.WorldGenFeatureDefinedStructurePoolTemplate;
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import net.minecraft.world.level.levelgen.structure.StructureBoundingBox;
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import net.minecraft.world.level.levelgen.structure.StructurePiece;
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+import net.minecraft.world.level.levelgen.structure.StructureStart;
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import net.minecraft.world.level.levelgen.structure.WorldGenFeaturePillagerOutpostPoolPiece;
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import net.minecraft.world.level.levelgen.synth.NoiseGenerator;
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import net.minecraft.world.level.levelgen.synth.NoiseGenerator3;
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@@ -455,7 +456,7 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
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while (iterator.hasNext()) {
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StructureGenerator<?> structuregenerator = (StructureGenerator) iterator.next();
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- structuremanager.a(SectionPosition.a(chunkcoordintpair, 0), structuregenerator).forEach((structurestart) -> {
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+ for (StructureStart<?> structurestart : structuremanager.getFeatureStarts(SectionPosition.a(chunkcoordintpair, 0), structuregenerator)) { // Paper - remove structure streams
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Iterator iterator1 = structurestart.d().iterator();
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while (iterator1.hasNext()) {
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@@ -487,7 +488,7 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
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}
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}
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- });
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+ } // Paper - remove structure streams
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}
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double[][][] adouble = new double[2][this.p + 1][this.o + 1];
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