94 lines
3.5 KiB
Java
94 lines
3.5 KiB
Java
package net.minecraft.world.level.levelgen.feature;
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import com.mojang.serialization.Codec;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.tags.BlockTags;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.WorldGenLevel;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.levelgen.feature.configurations.HugeMushroomFeatureConfiguration;
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public abstract class AbstractHugeMushroomFeature extends Feature<HugeMushroomFeatureConfiguration> {
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public AbstractHugeMushroomFeature(Codec<HugeMushroomFeatureConfiguration> codec) {
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super(codec);
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}
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protected void placeTrunk(
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LevelAccessor level, RandomSource random, BlockPos pos, HugeMushroomFeatureConfiguration config, int maxHeight, BlockPos.MutableBlockPos mutablePos
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) {
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for (int i = 0; i < maxHeight; i++) {
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mutablePos.set(pos).move(Direction.UP, i);
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this.placeMushroomBlock(level, mutablePos, config.stemProvider.getState(random, pos));
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}
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}
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protected void placeMushroomBlock(LevelAccessor level, BlockPos.MutableBlockPos mutablePos, BlockState state) {
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BlockState blockState = level.getBlockState(mutablePos);
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if (blockState.isAir() || blockState.is(BlockTags.REPLACEABLE_BY_MUSHROOMS)) {
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this.setBlock(level, mutablePos, state);
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}
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}
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protected int getTreeHeight(RandomSource random) {
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int i = random.nextInt(3) + 4;
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if (random.nextInt(12) == 0) {
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i *= 2;
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}
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return i;
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}
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protected boolean isValidPosition(
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LevelAccessor level, BlockPos pos, int maxHeight, BlockPos.MutableBlockPos mutablePos, HugeMushroomFeatureConfiguration config
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) {
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int i = pos.getY();
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if (i >= level.getMinY() + 1 && i + maxHeight + 1 <= level.getMaxY()) {
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BlockState blockState = level.getBlockState(pos.below());
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if (!isDirt(blockState) && !blockState.is(BlockTags.MUSHROOM_GROW_BLOCK)) {
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return false;
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} else {
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for (int j = 0; j <= maxHeight; j++) {
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int k = this.getTreeRadiusForHeight(-1, -1, config.foliageRadius, j);
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for (int l = -k; l <= k; l++) {
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for (int m = -k; m <= k; m++) {
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BlockState blockState2 = level.getBlockState(mutablePos.setWithOffset(pos, l, j, m));
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if (!blockState2.isAir() && !blockState2.is(BlockTags.LEAVES)) {
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return false;
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}
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}
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}
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}
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return true;
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}
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} else {
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return false;
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}
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}
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@Override
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public boolean place(FeaturePlaceContext<HugeMushroomFeatureConfiguration> context) {
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WorldGenLevel worldGenLevel = context.level();
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BlockPos blockPos = context.origin();
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RandomSource randomSource = context.random();
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HugeMushroomFeatureConfiguration hugeMushroomFeatureConfiguration = context.config();
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int i = this.getTreeHeight(randomSource);
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BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();
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if (!this.isValidPosition(worldGenLevel, blockPos, i, mutableBlockPos, hugeMushroomFeatureConfiguration)) {
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return false;
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} else {
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this.makeCap(worldGenLevel, randomSource, blockPos, i, mutableBlockPos, hugeMushroomFeatureConfiguration);
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this.placeTrunk(worldGenLevel, randomSource, blockPos, hugeMushroomFeatureConfiguration, i, mutableBlockPos);
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return true;
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}
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}
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protected abstract int getTreeRadiusForHeight(int unused, int height, int foliageRadius, int y);
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protected abstract void makeCap(
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LevelAccessor level, RandomSource random, BlockPos pos, int treeHeight, BlockPos.MutableBlockPos mutablePos, HugeMushroomFeatureConfiguration config
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);
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}
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