77 lines
2.7 KiB
Java
77 lines
2.7 KiB
Java
package net.minecraft.world.level.levelgen;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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public final class OreVeinifier {
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private static final float VEININESS_THRESHOLD = 0.4F;
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private static final int EDGE_ROUNDOFF_BEGIN = 20;
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private static final double MAX_EDGE_ROUNDOFF = 0.2;
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private static final float VEIN_SOLIDNESS = 0.7F;
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private static final float MIN_RICHNESS = 0.1F;
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private static final float MAX_RICHNESS = 0.3F;
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private static final float MAX_RICHNESS_THRESHOLD = 0.6F;
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private static final float CHANCE_OF_RAW_ORE_BLOCK = 0.02F;
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private static final float SKIP_ORE_IF_GAP_NOISE_IS_BELOW = -0.3F;
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private OreVeinifier() {
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}
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protected static NoiseChunk.BlockStateFiller create(
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DensityFunction veinToggle, DensityFunction veinRidged, DensityFunction veinGap, PositionalRandomFactory random
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) {
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BlockState blockState = null;
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return functionContext -> {
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double d = veinToggle.compute(functionContext);
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int i = functionContext.blockY();
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OreVeinifier.VeinType veinType = d > 0.0 ? OreVeinifier.VeinType.COPPER : OreVeinifier.VeinType.IRON;
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double e = Math.abs(d);
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int j = veinType.maxY - i;
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int k = i - veinType.minY;
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if (k >= 0 && j >= 0) {
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int l = Math.min(j, k);
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double f = Mth.clampedMap((double)l, 0.0, 20.0, -0.2, 0.0);
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if (e + f < 0.4F) {
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return blockState;
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} else {
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RandomSource randomSource = random.at(functionContext.blockX(), i, functionContext.blockZ());
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if (randomSource.nextFloat() > 0.7F) {
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return blockState;
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} else if (veinRidged.compute(functionContext) >= 0.0) {
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return blockState;
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} else {
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double g = Mth.clampedMap(e, 0.4F, 0.6F, 0.1F, 0.3F);
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if (randomSource.nextFloat() < g && veinGap.compute(functionContext) > -0.3F) {
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return randomSource.nextFloat() < 0.02F ? veinType.rawOreBlock : veinType.ore;
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} else {
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return veinType.filler;
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}
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}
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}
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} else {
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return blockState;
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}
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};
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}
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protected static enum VeinType {
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COPPER(Blocks.COPPER_ORE.defaultBlockState(), Blocks.RAW_COPPER_BLOCK.defaultBlockState(), Blocks.GRANITE.defaultBlockState(), 0, 50),
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IRON(Blocks.DEEPSLATE_IRON_ORE.defaultBlockState(), Blocks.RAW_IRON_BLOCK.defaultBlockState(), Blocks.TUFF.defaultBlockState(), -60, -8);
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final BlockState ore;
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final BlockState rawOreBlock;
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final BlockState filler;
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protected final int minY;
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protected final int maxY;
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private VeinType(final BlockState ore, final BlockState rawOreBlock, final BlockState filler, final int minY, final int maxY) {
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this.ore = ore;
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this.rawOreBlock = rawOreBlock;
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this.filler = filler;
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this.minY = minY;
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this.maxY = maxY;
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}
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}
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}
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