57 lines
2.3 KiB
Java
57 lines
2.3 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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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.server.level.ServerLevel;
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import net.minecraft.tags.FluidTags;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.block.state.BlockBehaviour;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.lighting.LightEngine;
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public abstract class SpreadingSnowyDirtBlock extends SnowyDirtBlock {
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protected SpreadingSnowyDirtBlock(BlockBehaviour.Properties properties) {
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super(properties);
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}
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private static boolean canBeGrass(BlockState state, LevelReader levelReader, BlockPos pos) {
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BlockPos blockPos = pos.above();
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BlockState blockState = levelReader.getBlockState(blockPos);
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if (blockState.is(Blocks.SNOW) && (Integer)blockState.getValue(SnowLayerBlock.LAYERS) == 1) {
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return true;
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} else if (blockState.getFluidState().getAmount() == 8) {
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return false;
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} else {
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int i = LightEngine.getLightBlockInto(levelReader, state, pos, blockState, blockPos, Direction.UP, blockState.getLightBlock(levelReader, blockPos));
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return i < levelReader.getMaxLightLevel();
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}
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}
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@Override
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protected abstract MapCodec<? extends SpreadingSnowyDirtBlock> codec();
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private static boolean canPropagate(BlockState state, LevelReader level, BlockPos pos) {
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BlockPos blockPos = pos.above();
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return canBeGrass(state, level, pos) && !level.getFluidState(blockPos).is(FluidTags.WATER);
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}
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@Override
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protected void randomTick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
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if (!canBeGrass(state, level, pos)) {
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level.setBlockAndUpdate(pos, Blocks.DIRT.defaultBlockState());
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} else {
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if (level.getMaxLocalRawBrightness(pos.above()) >= 9) {
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BlockState blockState = this.defaultBlockState();
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for (int i = 0; i < 4; i++) {
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BlockPos blockPos = pos.offset(random.nextInt(3) - 1, random.nextInt(5) - 3, random.nextInt(3) - 1);
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if (level.getBlockState(blockPos).is(Blocks.DIRT) && canPropagate(blockState, level, blockPos)) {
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level.setBlockAndUpdate(blockPos, blockState.setValue(SNOWY, level.getBlockState(blockPos.above()).is(Blocks.SNOW)));
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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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