Yatopia/patches/server/0053-lithium-NoiseChunkGeneratorMixin.patch
Ivan Pekov adb131f051
Updated Upstream and Sidestream(s) (Tuinity/EMC/Purpur/AirplaneLite)
Upstream/An Sidestream has released updates that appears to apply and compile correctly
This update has NOT been tested by YatopiaMC and as with ANY update, please do your own testing.

Tuinity Changes:
2325c36 Updated Upstream (Paper)

EMC Changes:
a841b5a5 Fix more lore/item name issues (fixes witch gem issue)
1abb3fae Ensure server conversions on ExactChoice ingredients
f2f9d2b0 Forgot to commit paper ref
388620d5 Updated Paper
7a0ae67b Add a null check for UUID to prevent npe later
9de409e0 Updated Paper
0d09eb9a Add new Empire Server API for managing fake players for the tablist

Purpur Changes:
da95725 Updated Upstream (Tuinity)
7194a16 Updated Upstream (Paper)
77373ea Updated Upstream (Tuinity)
0bae78d Drop async advancements patch for now

AirplaneLite Changes:
7b4acbe h != k
a07e80c Whoops, missed paperclip change
845c191 Add license to patch files
fa671b7 Allow gradle wrapper in gitignore
04fc820 Rework strip raytracing patch
f48f6b2 Updated Upstream (Tuinity)
ec7c6df Fix encoding
9326301 Update upstream, fix utf8
20b8c79 Allow gradle wrapper in gitignore
6cd80e9 Updated Upstream (Tuinity)
2021-01-03 13:41:36 +02:00

170 lines
8.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: JellySquid <jellysquid+atwork@protonmail.com>
Date: Fri, 23 Oct 2020 16:45:51 -0500
Subject: [PATCH] lithium NoiseChunkGeneratorMixin
Additional Optimizations By YatopiaMC,
Original code by SuperCoder79, licensed under LGPLv3
you can find the original code on https://github.com/jellysquid3/lithium-fabric/ (Yarn mappings)
diff --git a/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java b/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java
index 321ebe8891defb46f3ad3dfea37c9bb6e2025ad7..fa60285c0c48147ad09b9197bfe577f504dd34bd 100644
--- a/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java
+++ b/src/main/java/net/minecraft/server/ChunkGeneratorAbstract.java
@@ -5,6 +5,8 @@ import com.mojang.serialization.codecs.RecordCodecBuilder;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import it.unimi.dsi.fastutil.objects.ObjectList;
import it.unimi.dsi.fastutil.objects.ObjectListIterator;
+import org.apache.commons.math3.util.FastMath; // Yatopia Fast Math
+
import java.util.Iterator;
import java.util.List;
import java.util.Random;
@@ -111,7 +113,15 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
return this.w == i && ((GeneratorSettingBase) this.h.get()).a(resourcekey);
}
+ // Yatopia start
+ private static double sampleOctave(NoiseGeneratorPerlin sampler, double x, double y, double z, double scaledVerticalSize, double scaledY, double frequency) {
+ return sampler.sample(x, y, z, scaledVerticalSize, scaledY) / frequency;
+ }
+ // Yatopia end
+
private double a(int i, int j, int k, double d0, double d1, double d2, double d3) {
+ // Yatopia start - replaced logic
+ /*
double d4 = 0.0D;
double d5 = 0.0D;
double d6 = 0.0D;
@@ -147,7 +157,85 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
}
return MathHelper.b(d4 / 512.0D, d5 / 512.0D, (d6 / 10.0D + 1.0D) / 2.0D);
+ */
+ double frequency = 1.0;
+ double interpolationValue = 0.0;
+
+ // Calculate interpolation data to decide what noise to sample.
+ for (int octave = 0; octave < 8; octave++) {
+ double scaledVerticalScale = d3 * frequency;
+ double scaledY = j * scaledVerticalScale;
+
+ interpolationValue += sampleOctave(this.s.a(octave),
+ NoiseGeneratorOctaves.a(i * d2 * frequency),
+ NoiseGeneratorOctaves.a(scaledY),
+ NoiseGeneratorOctaves.a(k * d2 * frequency), scaledVerticalScale, scaledY, frequency);
+
+ frequency /= 2.0;
+ }
+
+ double clampedInterpolation = (interpolationValue / 10.0 + 1.0) / 2.0;
+
+ if (clampedInterpolation >= 1) {
+ // Sample only upper noise, as the lower noise will be interpolated out.
+ frequency = 1.0;
+ double noise = 0.0;
+ for (int octave = 0; octave < 16; octave++) {
+ double scaledVerticalScale = d1 * frequency;
+ double scaledY = j * scaledVerticalScale;
+
+ noise += sampleOctave(this.r.a(octave),
+ NoiseGeneratorOctaves.a(i * d0 * frequency),
+ NoiseGeneratorOctaves.a(scaledY),
+ NoiseGeneratorOctaves.a(k * d0 * frequency), scaledVerticalScale, scaledY, frequency);
+
+ frequency /= 2.0;
+ }
+
+ return noise / 512.0;
+ } else if (clampedInterpolation <= 0) {
+ // Sample only lower noise, as the upper noise will be interpolated out.
+ frequency = 1.0;
+ double noise = 0.0;
+ for (int octave = 0; octave < 16; octave++) {
+ double scaledVerticalScale = d1 * frequency;
+ double scaledY = j * scaledVerticalScale;
+ noise += sampleOctave(this.q.a(octave),
+ NoiseGeneratorOctaves.a(i * d0 * frequency),
+ NoiseGeneratorOctaves.a(scaledY),
+ NoiseGeneratorOctaves.a(k * d0 * frequency), scaledVerticalScale, scaledY, frequency);
+
+ frequency /= 2.0;
+ }
+
+ return noise / 512.0;
+ } else {
+ // [VanillaCopy] SurfaceChunkGenerator#sampleNoise
+ // Sample both and interpolate, as in vanilla.
+
+ frequency = 1.0;
+ double lowerNoise = 0.0;
+ double upperNoise = 0.0;
+
+ for (int octave = 0; octave < 16; octave++) {
+ // Pre calculate these values to share them
+ double scaledVerticalScale = d1 * frequency;
+ double scaledY = j * scaledVerticalScale;
+ double xVal = NoiseGeneratorOctaves.a(i * d0 * frequency);
+ double yVal = NoiseGeneratorOctaves.a(scaledY);
+ double zVal = NoiseGeneratorOctaves.a(k * d0 * frequency);
+
+ upperNoise += sampleOctave(this.r.a(octave), xVal, yVal, zVal, scaledVerticalScale, scaledY, frequency);
+ lowerNoise += sampleOctave(this.q.a(octave), xVal, yVal, zVal, scaledVerticalScale, scaledY, frequency);
+
+ frequency /= 2.0;
+ }
+
+ // Vanilla behavior, return interpolated noise
+ return MathHelper.d(clampedInterpolation, lowerNoise / 512.0, upperNoise / 512.0);
+ }
}
+ // Yatopia end
private double[] b(int i, int j) {
double[] adouble = new double[this.o + 1];
@@ -273,7 +361,7 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
double d2 = d1 * 24.575625D - 2.0D;
- return d2 < 0.0D ? d2 * 0.009486607142857142D : Math.min(d2, 1.0D) * 0.006640625D;
+ return d2 < 0.0D ? d2 * 0.009486607142857142D : FastMath.min(d2, 1.0D) * 0.006640625D; // Yatopia Fast Math
}
@Override
@@ -290,10 +378,10 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
}
private int a(int i, int j, @Nullable IBlockData[] aiblockdata, @Nullable Predicate<IBlockData> predicate) {
- int k = Math.floorDiv(i, this.m);
- int l = Math.floorDiv(j, this.m);
- int i1 = Math.floorMod(i, this.m);
- int j1 = Math.floorMod(j, this.m);
+ int k = FastMath.floorDiv(i, this.m); // Yatopia Fast Math
+ int l = FastMath.floorDiv(j, this.m); // Yatopia Fast Math
+ int i1 = FastMath.floorMod(i, this.m); // Yatopia Fast Math
+ int j1 = FastMath.floorMod(j, this.m); // Yatopia Fast Math
double d0 = (double) i1 / (double) this.m;
double d1 = (double) j1 / (double) this.m;
double[][] adouble = new double[][]{this.b(k, l), this.b(k, l + 1), this.b(k + 1, l), this.b(k + 1, l + 1)};
@@ -532,9 +620,9 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
StructurePiece structurepiece = (StructurePiece) objectlistiterator.next();
StructureBoundingBox structureboundingbox = structurepiece.g();
- k4 = Math.max(0, Math.max(structureboundingbox.a - j3, j3 - structureboundingbox.d));
+ k4 = FastMath.max(0, FastMath.max(structureboundingbox.a - j3, j3 - structureboundingbox.d)); // Yatopia Fast Math
l4 = j2 - (structureboundingbox.b + (structurepiece instanceof WorldGenFeaturePillagerOutpostPoolPiece ? ((WorldGenFeaturePillagerOutpostPoolPiece) structurepiece).d() : 0));
- i5 = Math.max(0, Math.max(structureboundingbox.c - i4, i4 - structureboundingbox.f));
+ i5 = FastMath.max(0, FastMath.max(structureboundingbox.c - i4, i4 - structureboundingbox.f)); // Yatopia Fast Math
}
objectlistiterator.back(objectlist.size());
@@ -589,7 +677,7 @@ public final class ChunkGeneratorAbstract extends ChunkGenerator {
double d0 = (double) (i * i + k * k);
double d1 = (double) j + 0.5D;
double d2 = d1 * d1;
- double d3 = Math.pow(2.718281828459045D, -(d2 / 16.0D + d0 / 16.0D));
+ double d3 = FastMath.pow(2.718281828459045D, -(d2 / 16.0D + d0 / 16.0D)); // Yatopia Fast Math
double d4 = -d1 * MathHelper.i(d2 / 2.0D + d0 / 2.0D) / 2.0D;
return d4 * d3;