205 lines
9.0 KiB
Java
205 lines
9.0 KiB
Java
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package net.minecraft.world.level.levelgen.feature;
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import com.google.common.cache.CacheBuilder;
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import com.google.common.cache.CacheLoader;
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import com.google.common.cache.LoadingCache;
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import com.google.common.collect.Lists;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import it.unimi.dsi.fastutil.ints.IntArrayList;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.IntStream;
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import net.minecraft.Util;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.SectionPos;
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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.entity.EntitySpawnReason;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.boss.enderdragon.EndCrystal;
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import net.minecraft.world.level.ServerLevelAccessor;
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import net.minecraft.world.level.WorldGenLevel;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.FireBlock;
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import net.minecraft.world.level.block.IronBarsBlock;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.dimension.DimensionType;
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import net.minecraft.world.level.levelgen.feature.configurations.SpikeConfiguration;
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import net.minecraft.world.phys.AABB;
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public class SpikeFeature extends Feature<SpikeConfiguration> {
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public static final int NUMBER_OF_SPIKES = 10;
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private static final int SPIKE_DISTANCE = 42;
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private static final LoadingCache<Long, List<SpikeFeature.EndSpike>> SPIKE_CACHE = CacheBuilder.newBuilder()
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.expireAfterWrite(5L, TimeUnit.MINUTES)
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.build(new SpikeFeature.SpikeCacheLoader());
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public SpikeFeature(Codec<SpikeConfiguration> p_66852_) {
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super(p_66852_);
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}
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public static List<SpikeFeature.EndSpike> getSpikesForLevel(WorldGenLevel p_66859_) {
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RandomSource randomsource = RandomSource.create(p_66859_.getSeed());
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long i = randomsource.nextLong() & 65535L;
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return SPIKE_CACHE.getUnchecked(i);
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}
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@Override
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public boolean place(FeaturePlaceContext<SpikeConfiguration> p_160372_) {
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SpikeConfiguration spikeconfiguration = p_160372_.config();
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WorldGenLevel worldgenlevel = p_160372_.level();
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RandomSource randomsource = p_160372_.random();
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BlockPos blockpos = p_160372_.origin();
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List<SpikeFeature.EndSpike> list = spikeconfiguration.getSpikes();
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if (list.isEmpty()) {
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list = getSpikesForLevel(worldgenlevel);
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}
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for (SpikeFeature.EndSpike spikefeature$endspike : list) {
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if (spikefeature$endspike.isCenterWithinChunk(blockpos)) {
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this.placeSpike(worldgenlevel, randomsource, spikeconfiguration, spikefeature$endspike);
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}
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}
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return true;
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}
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private void placeSpike(ServerLevelAccessor p_225247_, RandomSource p_225248_, SpikeConfiguration p_225249_, SpikeFeature.EndSpike p_225250_) {
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int i = p_225250_.getRadius();
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for (BlockPos blockpos : BlockPos.betweenClosed(
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new BlockPos(p_225250_.getCenterX() - i, p_225247_.getMinY(), p_225250_.getCenterZ() - i),
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new BlockPos(p_225250_.getCenterX() + i, p_225250_.getHeight() + 10, p_225250_.getCenterZ() + i)
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)) {
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if (blockpos.distToLowCornerSqr(p_225250_.getCenterX(), blockpos.getY(), p_225250_.getCenterZ()) <= i * i + 1
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&& blockpos.getY() < p_225250_.getHeight()) {
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this.setBlock(p_225247_, blockpos, Blocks.OBSIDIAN.defaultBlockState());
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} else if (blockpos.getY() > 65) {
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this.setBlock(p_225247_, blockpos, Blocks.AIR.defaultBlockState());
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}
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}
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if (p_225250_.isGuarded()) {
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int j1 = -2;
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int k1 = 2;
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int j = 3;
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BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();
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for (int k = -2; k <= 2; k++) {
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for (int l = -2; l <= 2; l++) {
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for (int i1 = 0; i1 <= 3; i1++) {
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boolean flag = Mth.abs(k) == 2;
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boolean flag1 = Mth.abs(l) == 2;
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boolean flag2 = i1 == 3;
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if (flag || flag1 || flag2) {
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boolean flag3 = k == -2 || k == 2 || flag2;
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boolean flag4 = l == -2 || l == 2 || flag2;
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BlockState blockstate = Blocks.IRON_BARS
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.defaultBlockState()
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.setValue(IronBarsBlock.NORTH, flag3 && l != -2)
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.setValue(IronBarsBlock.SOUTH, flag3 && l != 2)
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.setValue(IronBarsBlock.WEST, flag4 && k != -2)
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.setValue(IronBarsBlock.EAST, flag4 && k != 2);
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this.setBlock(
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p_225247_,
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blockpos$mutableblockpos.set(p_225250_.getCenterX() + k, p_225250_.getHeight() + i1, p_225250_.getCenterZ() + l),
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blockstate
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);
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}
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}
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}
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}
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}
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EndCrystal endcrystal = EntityType.END_CRYSTAL.create(p_225247_.getLevel(), EntitySpawnReason.STRUCTURE);
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if (endcrystal != null) {
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endcrystal.setBeamTarget(p_225249_.getCrystalBeamTarget());
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endcrystal.setInvulnerable(p_225249_.isCrystalInvulnerable());
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endcrystal.snapTo(p_225250_.getCenterX() + 0.5, p_225250_.getHeight() + 1, p_225250_.getCenterZ() + 0.5, p_225248_.nextFloat() * 360.0F, 0.0F);
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p_225247_.addFreshEntity(endcrystal);
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BlockPos blockpos1 = endcrystal.blockPosition();
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this.setBlock(p_225247_, blockpos1.below(), Blocks.BEDROCK.defaultBlockState());
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this.setBlock(p_225247_, blockpos1, FireBlock.getState(p_225247_, blockpos1));
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}
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}
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public static class EndSpike {
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public static final Codec<SpikeFeature.EndSpike> CODEC = RecordCodecBuilder.create(
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p_66890_ -> p_66890_.group(
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Codec.INT.fieldOf("centerX").orElse(0).forGetter(p_160382_ -> p_160382_.centerX),
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Codec.INT.fieldOf("centerZ").orElse(0).forGetter(p_160380_ -> p_160380_.centerZ),
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Codec.INT.fieldOf("radius").orElse(0).forGetter(p_160378_ -> p_160378_.radius),
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Codec.INT.fieldOf("height").orElse(0).forGetter(p_160376_ -> p_160376_.height),
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Codec.BOOL.fieldOf("guarded").orElse(false).forGetter(p_160374_ -> p_160374_.guarded)
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)
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.apply(p_66890_, SpikeFeature.EndSpike::new)
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);
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private final int centerX;
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private final int centerZ;
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private final int radius;
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private final int height;
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private final boolean guarded;
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private final AABB topBoundingBox;
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public EndSpike(int p_66881_, int p_66882_, int p_66883_, int p_66884_, boolean p_66885_) {
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this.centerX = p_66881_;
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this.centerZ = p_66882_;
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this.radius = p_66883_;
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this.height = p_66884_;
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this.guarded = p_66885_;
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this.topBoundingBox = new AABB(
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p_66881_ - p_66883_, DimensionType.MIN_Y, p_66882_ - p_66883_, p_66881_ + p_66883_, DimensionType.MAX_Y, p_66882_ + p_66883_
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);
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}
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public boolean isCenterWithinChunk(BlockPos p_66892_) {
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return SectionPos.blockToSectionCoord(p_66892_.getX()) == SectionPos.blockToSectionCoord(this.centerX)
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&& SectionPos.blockToSectionCoord(p_66892_.getZ()) == SectionPos.blockToSectionCoord(this.centerZ);
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}
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public int getCenterX() {
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return this.centerX;
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}
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public int getCenterZ() {
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return this.centerZ;
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}
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public int getRadius() {
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return this.radius;
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}
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public int getHeight() {
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return this.height;
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}
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public boolean isGuarded() {
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return this.guarded;
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}
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public AABB getTopBoundingBox() {
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return this.topBoundingBox;
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}
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}
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static class SpikeCacheLoader extends CacheLoader<Long, List<SpikeFeature.EndSpike>> {
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public List<SpikeFeature.EndSpike> load(Long p_66910_) {
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IntArrayList intarraylist = Util.toShuffledList(IntStream.range(0, 10), RandomSource.create(p_66910_));
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List<SpikeFeature.EndSpike> list = Lists.newArrayList();
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for (int i = 0; i < 10; i++) {
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int j = Mth.floor(42.0 * Math.cos(2.0 * (-Math.PI + (Math.PI / 10) * i)));
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int k = Mth.floor(42.0 * Math.sin(2.0 * (-Math.PI + (Math.PI / 10) * i)));
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int l = intarraylist.get(i);
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int i1 = 2 + l / 3;
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int j1 = 76 + l * 3;
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boolean flag = l == 1 || l == 2;
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list.add(new SpikeFeature.EndSpike(j, k, i1, j1, flag));
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}
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return list;
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}
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}
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}
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