Code/net/minecraft/world/level/levelgen/feature/SeagrassFeature.java

51 lines
2.5 KiB
Java

package net.minecraft.world.level.levelgen.feature;
import com.mojang.serialization.Codec;
import net.minecraft.core.BlockPos;
import net.minecraft.util.RandomSource;
import net.minecraft.world.level.WorldGenLevel;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.TallSeagrassBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.DoubleBlockHalf;
import net.minecraft.world.level.levelgen.Heightmap;
import net.minecraft.world.level.levelgen.feature.configurations.ProbabilityFeatureConfiguration;
public class SeagrassFeature extends Feature<ProbabilityFeatureConfiguration> {
public SeagrassFeature(Codec<ProbabilityFeatureConfiguration> p_66768_) {
super(p_66768_);
}
@Override
public boolean place(FeaturePlaceContext<ProbabilityFeatureConfiguration> p_160318_) {
boolean flag = false;
RandomSource randomsource = p_160318_.random();
WorldGenLevel worldgenlevel = p_160318_.level();
BlockPos blockpos = p_160318_.origin();
ProbabilityFeatureConfiguration probabilityfeatureconfiguration = p_160318_.config();
int i = randomsource.nextInt(8) - randomsource.nextInt(8);
int j = randomsource.nextInt(8) - randomsource.nextInt(8);
int k = worldgenlevel.getHeight(Heightmap.Types.OCEAN_FLOOR, blockpos.getX() + i, blockpos.getZ() + j);
BlockPos blockpos1 = new BlockPos(blockpos.getX() + i, k, blockpos.getZ() + j);
if (worldgenlevel.getBlockState(blockpos1).is(Blocks.WATER)) {
boolean flag1 = randomsource.nextDouble() < probabilityfeatureconfiguration.probability;
BlockState blockstate = flag1 ? Blocks.TALL_SEAGRASS.defaultBlockState() : Blocks.SEAGRASS.defaultBlockState();
if (blockstate.canSurvive(worldgenlevel, blockpos1)) {
if (flag1) {
BlockState blockstate1 = blockstate.setValue(TallSeagrassBlock.HALF, DoubleBlockHalf.UPPER);
BlockPos blockpos2 = blockpos1.above();
if (worldgenlevel.getBlockState(blockpos2).is(Blocks.WATER)) {
worldgenlevel.setBlock(blockpos1, blockstate, 2);
worldgenlevel.setBlock(blockpos2, blockstate1, 2);
}
} else {
worldgenlevel.setBlock(blockpos1, blockstate, 2);
}
flag = true;
}
}
return flag;
}
}