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Helix tree feature (WIP)

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paulevsGitch 2020-12-09 23:49:29 +03:00
parent 27668f27a1
commit d1dec4da56
4 changed files with 128 additions and 0 deletions
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src/main/java/ru/betterend/world/features/trees/HelixTreeFeature.java Normal file
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package ru.betterend.world.features.trees;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import net.minecraft.client.util.math.Vector3f;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Box;
import net.minecraft.world.StructureWorldAccess;
import net.minecraft.world.gen.chunk.ChunkGenerator;
import net.minecraft.world.gen.feature.DefaultFeatureConfig;
import ru.betterend.registry.EndBlocks;
import ru.betterend.registry.EndTags;
import ru.betterend.util.MHelper;
import ru.betterend.util.SplineHelper;
import ru.betterend.util.sdf.SDF;
import ru.betterend.util.sdf.operator.SDFRotation;
import ru.betterend.util.sdf.operator.SDFScale;
import ru.betterend.util.sdf.operator.SDFSmoothUnion;
import ru.betterend.util.sdf.operator.SDFTranslate;
import ru.betterend.util.sdf.operator.SDFUnion;
import ru.betterend.world.features.DefaultFeature;
public class HelixTreeFeature extends DefaultFeature {
@Override
public boolean generate(StructureWorldAccess world, ChunkGenerator chunkGenerator, Random random, BlockPos pos, DefaultFeatureConfig config) {
if (!world.getBlockState(pos.down()).getBlock().isIn(EndTags.END_GROUND)) return false;
float angle = random.nextFloat() * MHelper.PI2;
float radiusRange = MHelper.randRange(4.5F, 6F, random);
float scale = MHelper.randRange(0.5F, 1F, random);
List<Vector3f> spline = new ArrayList<Vector3f>(10);
for (int i = 0; i < 10; i++) {
float radius = (0.9F - i * 0.1F) * radiusRange;
float dx = (float) Math.sin(i + angle) * radius;
float dz = (float) Math.cos(i + angle) * radius;
spline.add(new Vector3f(dx, i * 2, dz));
}
SDF sdf = SplineHelper.buildSDF(spline, 1.7F, 0.5F, (p) -> { return EndBlocks.HELIX_TREE.bark.getDefaultState(); });
SDF rotated = new SDFRotation().setRotation(Vector3f.POSITIVE_Y, (float) Math.PI).setSource(sdf);
sdf = new SDFUnion().setSourceA(rotated).setSourceB(sdf);
Vector3f lastPoint = spline.get(spline.size() - 1);
List<Vector3f> spline2 = SplineHelper.makeSpline(0, 0, 0, 0, 20, 0, 5);
SDF stem = SplineHelper.buildSDF(spline2, 1.0F, 0.5F, (p) -> { return EndBlocks.HELIX_TREE.bark.getDefaultState(); });
stem = new SDFTranslate().setTranslate(lastPoint.getX(), lastPoint.getY(), lastPoint.getZ()).setSource(stem);
sdf = new SDFSmoothUnion().setRadius(3).setSourceA(sdf).setSourceB(stem);
sdf = new SDFScale().setScale(scale).setSource(sdf);
float dx = 30 * scale;
float dy1 = -20 * scale;
float dy2 = 100 * scale;
sdf.fillArea(world, pos, new Box(pos.add(-dx, dy1, -dx), pos.add(dx, dy2, dx)));
SplineHelper.scale(spline, scale);
SplineHelper.fillSplineForce(spline, world, EndBlocks.HELIX_TREE.bark.getDefaultState(), pos, (state) -> {
return state.getMaterial().isReplaceable();
});
SplineHelper.rotateSpline(spline, (float) Math.PI);
SplineHelper.fillSplineForce(spline, world, EndBlocks.HELIX_TREE.bark.getDefaultState(), pos, (state) -> {
return state.getMaterial().isReplaceable();
});
SplineHelper.scale(spline2, scale);
SplineHelper.fillSplineForce(spline2, world, EndBlocks.HELIX_TREE.bark.getDefaultState(),
pos.add(lastPoint.getX() + 0.5, lastPoint.getY() + 0.5, lastPoint.getZ() + 0.5),
(state) -> {
return state.getMaterial().isReplaceable();
});
return true;
}
}