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I CAN GO FASTER I CAN GO FASTER I CAN GO FASTER HRRRRRRRAAAAAAAAAAAA

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This commit is contained in:
George Paton 2025-11-15 15:41:12 +11:00
parent 13cf418c16
commit 9a2a79c4c2
1 changed files with 71 additions and 27 deletions
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98
src/main/java/com/hbm/world/feature/OreLayer3D.java
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@ -1,33 +1,43 @@
package com.hbm.world.feature;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.init.Blocks;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraft.world.gen.NoiseGeneratorPerlin;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.terraingen.DecorateBiomeEvent;
import net.minecraftforge.event.world.WorldEvent;
public class OreLayer3D {
public static int counter = 0;
public int id;
long lastSeed;
NoiseGeneratorPerlin noiseX;
NoiseGeneratorPerlin noiseY;
NoiseGeneratorPerlin noiseZ;
double[][] cacheX;
double[][] cacheZ;
double scaleH;
double scaleV;
double threshold;
Block block;
int meta;
int dim = 0;
Map<Integer, Set<ChunkCoordIntPair>> alreadyDecorated = new HashMap<>();
public OreLayer3D(Block block, int meta) {
this.block = block;
this.meta = meta;
@ -35,22 +45,22 @@ public class OreLayer3D {
this.id = counter;
counter++;
}
public OreLayer3D setDimension(int dim) {
this.dim = dim;
return this;
}
public OreLayer3D setScaleH(double scale) {
this.scaleH = scale;
return this;
}
public OreLayer3D setScaleV(double scale) {
this.scaleV = scale;
return this;
}
public OreLayer3D setThreshold(double threshold) {
this.threshold = threshold;
return this;
@ -58,29 +68,52 @@ public class OreLayer3D {
@SubscribeEvent
public void onDecorate(DecorateBiomeEvent.Pre event) {
World world = event.world;
int cx = event.chunkX;
int cz = event.chunkZ;
if(world.provider == null || world.provider.dimensionId != this.dim) return;
if(this.noiseX == null) this.noiseX = new NoiseGeneratorPerlin(new Random(event.world.getSeed() + 101 + id), 4);
if(this.noiseY == null) this.noiseY = new NoiseGeneratorPerlin(new Random(event.world.getSeed() + 102 + id), 4);
if(this.noiseZ == null) this.noiseZ = new NoiseGeneratorPerlin(new Random(event.world.getSeed() + 103 + id), 4);
int cX = event.chunkX;
int cZ = event.chunkZ;
for(int x = cX + 8; x < cX + 24; x++) {
for(int z = cZ + 8; z < cZ + 24; z++) {
ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(cx, cz);
Set<ChunkCoordIntPair> decoratedChunks = alreadyDecorated.computeIfAbsent(world.provider.dimensionId, n -> new HashSet<>());
// Stop early if we've already generated this chunk in this dimension
if(decoratedChunks.contains(chunkPos)) return;
decoratedChunks.add(chunkPos);
// refresh caches on first run and if the world seed changes
if(this.noiseX == null || world.getSeed() != lastSeed) {
this.noiseX = new NoiseGeneratorPerlin(new Random(world.getSeed() + 101 + id), 4);
this.noiseY = new NoiseGeneratorPerlin(new Random(world.getSeed() + 102 + id), 4);
this.noiseZ = new NoiseGeneratorPerlin(new Random(world.getSeed() + 103 + id), 4);
cacheX = new double[16][65];
cacheZ = new double[16][65];
lastSeed = world.getSeed();
}
for(int o = 0; o < 16; o++) {
for(int y = 64; y > 5; y--) {
cacheX[o][y] = this.noiseX.func_151601_a(y * scaleV, (cz + 8 + o) * scaleH);
cacheZ[o][y] = this.noiseZ.func_151601_a((cx + 8 + o) * scaleH, y * scaleV);
}
}
for(int ox = 0; ox < 16; ox++) {
int x = cx + 8 + ox;
for(int oz = 0; oz < 16; oz++) {
int z = cz + 8 + oz;
double ny = this.noiseY.func_151601_a(x * scaleH, z * scaleH);
for(int y = 64; y > 5; y--) {
double nX = this.noiseX.func_151601_a(y * scaleV, z * scaleH);
double nY = this.noiseY.func_151601_a(x * scaleH, z * scaleH);
double nZ = this.noiseZ.func_151601_a(x * scaleH, y * scaleV);
if(nX * nY * nZ > threshold) {
double nx = cacheX[oz][y];
double nz = cacheX[ox][y];
if(nx * ny * nz > threshold) {
Block target = world.getBlock(x, y, z);
if(target.isNormalCube() && target.getMaterial() == Material.rock && target.isReplaceableOreGen(world, x, y, z, Blocks.stone)) {
if(target.isNormalCube() && target.isReplaceableOreGen(world, x, y, z, Blocks.stone)) {
world.setBlock(x, y, z, block, meta, 2);
}
}
@ -88,4 +121,15 @@ public class OreLayer3D {
}
}
}
@SubscribeEvent
public void onWorldLoad(WorldEvent.Load event) {
alreadyDecorated.put(event.world.provider.dimensionId, new HashSet<>());
}
@SubscribeEvent
public void onWorldUnload(WorldEvent.Unload event) {
alreadyDecorated.remove(event.world.provider.dimensionId);
}
}