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[1.16] Remove some streams from structures (#3704)

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This showed up a lot in the spark profiler, should have a low-medium performance improvement.
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Josh Roy 2020-07-01 09:53:16 -04:00 committet von GitHub
Ursprung 8522e7b274
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: JRoy <joshroy126@gmail.com>
Date: Mon, 29 Jun 2020 17:03:06 -0400
Subject: [PATCH] Remove some streams from structures
This showed up a lot in the spark profiler, should have a low-medium performance improvement.
diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
index 30aeb45d63394b7d91c2dd7b92cfc9cefa3c088c..db198811ddecc00cbd398f3805bdf51b3239f390 100644
--- a/src/main/java/net/minecraft/server/BiomeBase.java
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -339,9 +339,11 @@ public class BiomeBase {
int j1 = l << 4;
try {
- structuremanager.a(SectionPosition.a(blockposition), structuregenerator).forEach((structurestart) -> {
- structurestart.a(generatoraccessseed, structuremanager, chunkgenerator, seededrandom, new StructureBoundingBox(i1, j1, i1 + 15, j1 + 15), new ChunkCoordIntPair(k, l));
- });
+ // Paper start - remove structure streams
+ for (StructureStart<?> structureStart : structuremanager.getFeatureStarts(SectionPosition.a(blockposition), structuregenerator)) {
+ structureStart.a(generatoraccessseed, structuremanager, chunkgenerator, seededrandom, new StructureBoundingBox(i1, j1, i1 + 15, j1 + 15), new ChunkCoordIntPair(k, l));
+ }
+ // Paper end
} catch (Exception exception) {
CrashReport crashreport = CrashReport.a(exception, "Feature placement");
diff --git a/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java b/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java
index 733c6244e08f6b7277006c1ed801f2cfc8fc36e5..45b771e4121f2ef27c67d5a5ba2dadcfc0f944e0 100644
--- a/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java
+++ b/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java
@@ -417,7 +417,7 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
while (iterator.hasNext()) {
StructureGenerator<?> structuregenerator = (StructureGenerator) iterator.next();
- structuremanager.a(SectionPosition.a(chunkcoordintpair, 0), structuregenerator).forEach((structurestart) -> {
+ for (StructureStart<?> structurestart : structuremanager.getFeatureStarts(SectionPosition.a(chunkcoordintpair, 0), structuregenerator)) { // Paper - remove structure streams
Iterator iterator1 = structurestart.d().iterator();
while (iterator1.hasNext()) {
@@ -449,7 +449,7 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
}
}
- });
+ } // Paper - remove structure streams
}
double[][][] adouble = new double[2][this.p + 1][this.o + 1];
diff --git a/src/main/java/net/minecraft/server/StructureManager.java b/src/main/java/net/minecraft/server/StructureManager.java
index c434427ce7bd206ed5d2efa2560e593b1186c666..6c7804ac0e994ec03b95eda7a24139b65a59db7e 100644
--- a/src/main/java/net/minecraft/server/StructureManager.java
+++ b/src/main/java/net/minecraft/server/StructureManager.java
@@ -6,7 +6,7 @@ import javax.annotation.Nullable;
public class StructureManager {
- private final GeneratorAccess a;
+ private final GeneratorAccess a; public GeneratorAccess getLevel() { return a; } // Paper - OBFHELPER
private final GeneratorSettings b;
public StructureManager(GeneratorAccess generatoraccess, GeneratorSettings generatorsettings) {
@@ -32,6 +32,20 @@ public class StructureManager {
});
}
+ // Paper start - remove structure streams
+ public java.util.List<StructureStart<?>> getFeatureStarts(SectionPosition sectionPosition, StructureGenerator<?> structureGenerator) {
+ java.util.List<StructureStart<?>> list = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ for (Long curLong: getLevel().getChunkAt(sectionPosition.a(), sectionPosition.c(), ChunkStatus.STRUCTURE_REFERENCES).b(structureGenerator)) {
+ SectionPosition sectionPosition1 = SectionPosition.a(new ChunkCoordIntPair(curLong), 0);
+ StructureStart<?> structurestart = a(sectionPosition1, structureGenerator, getLevel().getChunkAt(sectionPosition1.a(), sectionPosition1.c(), ChunkStatus.STRUCTURE_STARTS));
+ if (structurestart != null && structurestart.e()) {
+ list.add(structurestart);
+ }
+ }
+ return list;
+ }
+ // Paper end
+
@Nullable
public StructureStart<?> a(SectionPosition sectionposition, StructureGenerator<?> structuregenerator, IStructureAccess istructureaccess) {
return istructureaccess.a(structuregenerator);
@@ -50,13 +64,21 @@ public class StructureManager {
}
public StructureStart<?> a(BlockPosition blockposition, boolean flag, StructureGenerator<?> structuregenerator) {
- return (StructureStart) DataFixUtils.orElse(this.a(SectionPosition.a(blockposition), structuregenerator).filter((structurestart) -> {
- return structurestart.c().b((BaseBlockPosition) blockposition);
- }).filter((structurestart) -> {
- return !flag || structurestart.d().stream().anyMatch((structurepiece) -> {
- return structurepiece.g().b((BaseBlockPosition) blockposition);
- });
- }).findFirst(), StructureStart.a);
+ // Paper start - remove structure streams
+ for (StructureStart<?> structurestart : getFeatureStarts(SectionPosition.a(blockposition), structuregenerator)) {
+ if (structurestart.c().b(blockposition)) {
+ if (!flag) {
+ return structurestart;
+ }
+ for (StructurePiece structurepiece : structurestart.d()) {
+ if (structurepiece.g().b(blockposition)) {
+ return structurestart;
+ }
+ }
+ }
+ }
+ return StructureStart.a;
+ // Paper end
}
// Spigot start