72 lines
3 KiB
Java
72 lines
3 KiB
Java
package ru.betterend.world.features;
|
|
|
|
import net.minecraft.core.BlockPos;
|
|
import net.minecraft.core.BlockPos.MutableBlockPos;
|
|
import net.minecraft.world.level.WorldGenLevel;
|
|
import net.minecraft.world.level.biome.Biome;
|
|
import net.minecraft.world.level.block.Blocks;
|
|
import net.minecraft.world.level.block.state.BlockState;
|
|
import net.minecraft.world.level.levelgen.feature.FeaturePlaceContext;
|
|
import net.minecraft.world.level.levelgen.feature.configurations.NoneFeatureConfiguration;
|
|
import net.minecraft.world.level.levelgen.surfacebuilders.SurfaceBuilderBaseConfiguration;
|
|
import net.minecraft.world.level.levelgen.surfacebuilders.SurfaceBuilderConfiguration;
|
|
import ru.bclib.sdf.SDF;
|
|
import ru.bclib.sdf.operator.SDFDisplacement;
|
|
import ru.bclib.sdf.operator.SDFTranslate;
|
|
import ru.bclib.sdf.primitive.SDFCappedCone;
|
|
import ru.bclib.util.BlocksHelper;
|
|
import ru.bclib.world.features.DefaultFeature;
|
|
import ru.betterend.noise.OpenSimplexNoise;
|
|
|
|
public class BiomeIslandFeature extends DefaultFeature {
|
|
private static final MutableBlockPos CENTER = new MutableBlockPos();
|
|
private static final SDF ISLAND;
|
|
|
|
private static OpenSimplexNoise simplexNoise = new OpenSimplexNoise(412L);
|
|
private static BlockState topBlock = Blocks.GRASS_BLOCK.defaultBlockState();
|
|
private static BlockState underBlock = Blocks.DIRT.defaultBlockState();
|
|
|
|
@Override
|
|
public boolean place(FeaturePlaceContext<NoneFeatureConfiguration> featureConfig) {
|
|
final BlockPos pos = featureConfig.origin();
|
|
final WorldGenLevel world = featureConfig.level();
|
|
Biome biome = world.getBiome(pos);
|
|
SurfaceBuilderConfiguration surfaceConfig = biome.getGenerationSettings().getSurfaceBuilderConfig();
|
|
BlockState topMaterial = surfaceConfig.getTopMaterial();
|
|
if (BlocksHelper.isFluid(topMaterial)) {
|
|
topBlock = ((SurfaceBuilderBaseConfiguration) surfaceConfig).getUnderwaterMaterial();
|
|
}
|
|
else {
|
|
topBlock = topMaterial;
|
|
}
|
|
underBlock = surfaceConfig.getUnderMaterial();
|
|
simplexNoise = new OpenSimplexNoise(world.getSeed());
|
|
CENTER.set(pos);
|
|
ISLAND.fillRecursive(world, pos.below());
|
|
return true;
|
|
}
|
|
|
|
private static SDF createSDFIsland() {
|
|
SDF sdfCone = new SDFCappedCone().setRadius1(0).setRadius2(6).setHeight(4).setBlock(pos -> {
|
|
if (pos.getY() > CENTER.getY()) return AIR;
|
|
if (pos.getY() == CENTER.getY()) return topBlock;
|
|
return underBlock;
|
|
});
|
|
sdfCone = new SDFTranslate().setTranslate(0, -2, 0).setSource(sdfCone);
|
|
sdfCone = new SDFDisplacement().setFunction(pos -> {
|
|
float deltaX = Math.abs(pos.x());
|
|
float deltaY = Math.abs(pos.y());
|
|
float deltaZ = Math.abs(pos.z());
|
|
if (deltaY < 2.0f && (deltaX < 3.0f || deltaZ < 3.0F)) return 0.0f;
|
|
return (float) simplexNoise.eval(CENTER.getX() + pos.x(), CENTER.getY() + pos.y(), CENTER.getZ() + pos.z());
|
|
})
|
|
.setSource(sdfCone)
|
|
.setReplaceFunction(state -> BlocksHelper.isFluid(state) || state.getMaterial()
|
|
.isReplaceable());
|
|
return sdfCone;
|
|
}
|
|
|
|
static {
|
|
ISLAND = createSDFIsland();
|
|
}
|
|
}
|