MinecraftMods/BetterEnd
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paulevsGitch 2020-12-13 22:46:41 +03:00
parent 7ae608af71
commit 4877de8fe8
7 changed files with 225 additions and 4 deletions
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119
src/main/java/ru/betterend/world/structures/features/StructureGiantIceStar.java Normal file
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package ru.betterend.world.structures.features;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import net.minecraft.block.BlockState;
import net.minecraft.client.util.math.Vector3f;
import net.minecraft.structure.StructureManager;
import net.minecraft.structure.StructureStart;
import net.minecraft.util.math.BlockBox;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.registry.DynamicRegistryManager;
import net.minecraft.world.biome.Biome;
import net.minecraft.world.gen.chunk.ChunkGenerator;
import net.minecraft.world.gen.feature.DefaultFeatureConfig;
import net.minecraft.world.gen.feature.StructureFeature;
import ru.betterend.registry.EndBlocks;
import ru.betterend.util.MHelper;
import ru.betterend.util.sdf.SDF;
import ru.betterend.util.sdf.operator.SDFRotation;
import ru.betterend.util.sdf.operator.SDFTranslate;
import ru.betterend.util.sdf.operator.SDFUnion;
import ru.betterend.util.sdf.primitive.SDFCapedCone;
import ru.betterend.world.structures.piece.VoxelPiece;
public class StructureGiantIceStar extends SDFStructureFeature {
private final float minSize = 20;
private final float maxSize = 35;
private final int minCount = 25;
private final int maxCount = 40;
@Override
protected SDF getSDF(BlockPos pos, Random random) {
float size = MHelper.randRange(minSize, maxSize, random);
int count = MHelper.randRange(minCount, maxCount, random);
List<Vector3f> points = getFibonacciPoints(count);
SDF sdf = null;
SDF spike = new SDFCapedCone().setRadius1(3 + (size - 5) * 0.2F).setRadius2(0).setHeight(size).setBlock(EndBlocks.DENSE_SNOW);
spike = new SDFTranslate().setTranslate(0, size - 0.5F, 0).setSource(spike);
for (Vector3f point: points) {
SDF rotated = spike;
point = MHelper.normalize(point);
float angle = MHelper.angle(Vector3f.POSITIVE_Y, point);
if (angle > 0.01F && angle < 3.14F) {
Vector3f axis = MHelper.normalize(MHelper.cross(Vector3f.POSITIVE_Y, point));
rotated = new SDFRotation().setRotation(axis, angle).setSource(spike);
}
else if (angle > 1) {
rotated = new SDFRotation().setRotation(Vector3f.POSITIVE_Y, (float) Math.PI).setSource(spike);
}
sdf = (sdf == null) ? rotated : new SDFUnion().setSourceA(sdf).setSourceB(rotated);
}
final float ancientRadius = size * 0.7F;
final float denseRadius = size * 0.9F;
final float iceRadius = size < 7 ? size * 5 : size * 1.3F;
final float randScale = size * 0.3F;
final BlockPos center = pos;
final BlockState ice = EndBlocks.EMERALD_ICE.getDefaultState();
final BlockState dense = EndBlocks.DENSE_EMERALD_ICE.getDefaultState();
final BlockState ancient = EndBlocks.ANCIENT_EMERALD_ICE.getDefaultState();
final SDF sdfCopy = sdf;
return sdf.setPostProcess((info) -> {
BlockPos bpos = info.getPos();
float px = bpos.getX() - center.getX();
float py = bpos.getY() - center.getY();
float pz = bpos.getZ() - center.getZ();
float distance = MHelper.length(px, py, pz) + sdfCopy.getDistance(px, py, pz) * 0.4F + random.nextFloat() * randScale;
if (distance < ancientRadius) {
return ancient;
}
else if (distance < denseRadius) {
return dense;
}
else if (distance < iceRadius) {
return ice;
}
return info.getState();
});
}
private List<Vector3f> getFibonacciPoints(int count) {
float max = count - 1;
List<Vector3f> result = new ArrayList<Vector3f>(count);
for (int i = 0; i < count; i++) {
float y = 1F - (i / max) * 2F;
float radius = (float) Math.sqrt(1F - y * y);
float theta = MHelper.PHI * i;
float x = (float) Math.cos(theta) * radius;
float z = (float) Math.sin(theta) * radius;
result.add(new Vector3f(x, y, z));
}
return result;
}
@Override
public StructureFeature.StructureStartFactory<DefaultFeatureConfig> getStructureStartFactory() {
return StarStructureStart::new;
}
public static class StarStructureStart extends StructureStart<DefaultFeatureConfig> {
public StarStructureStart(StructureFeature<DefaultFeatureConfig> feature, int chunkX, int chunkZ, BlockBox box, int references, long seed) {
super(feature, chunkX, chunkZ, box, references, seed);
}
@Override
public void init(DynamicRegistryManager registryManager, ChunkGenerator chunkGenerator, StructureManager manager, int chunkX, int chunkZ, Biome biome, DefaultFeatureConfig config) {
int x = (chunkX << 4) | MHelper.randRange(4, 12, random);
int z = (chunkZ << 4) | MHelper.randRange(4, 12, random);
BlockPos start = new BlockPos(x, MHelper.randRange(32, 128, random), z);
VoxelPiece piece = new VoxelPiece((world) -> { ((SDFStructureFeature) this.getFeature()).getSDF(start, this.random).fillRecursive(world, start); }, random.nextInt());
this.children.add(piece);
this.setBoundingBoxFromChildren();
}
}
}