minecraft-source/src/net/minecraft/world/level/block/Seagrass.java

package net.minecraft.world.level.block;

import net.minecraft.world.level.block.state.AbstractStateHolder;
import net.minecraft.world.level.material.Fluid;
import net.minecraft.world.level.block.state.properties.Property;
import net.minecraft.world.level.block.state.properties.DoubleBlockHalf;
import net.minecraft.server.level.ServerLevel;
import java.util.Random;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.level.LevelAccessor;
import javax.annotation.Nullable;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.tags.FluidTags;
import net.minecraft.world.item.BlockPlaceContext;
import net.minecraft.core.Direction;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.core.BlockPos;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.phys.shapes.VoxelShape;

public class Seagrass extends BushBlock implements BonemealableBlock, LiquidBlockContainer {
    protected static final VoxelShape SHAPE;
    
    protected Seagrass(final Properties c) {
        super(c);
    }
    
    @Override
    public VoxelShape getShape(final BlockState byg, final BlockGetter bjd, final BlockPos fk, final CollisionContext cvn) {
        return Seagrass.SHAPE;
    }
    
    @Override
    protected boolean mayPlaceOn(final BlockState byg, final BlockGetter bjd, final BlockPos fk) {
        return byg.isFaceSturdy(bjd, fk, Direction.UP) && byg.getBlock() != Blocks.MAGMA_BLOCK;
    }
    
    @Nullable
    @Override
    public BlockState getStateForPlacement(final BlockPlaceContext bcn) {
        final FluidState cog3 = bcn.getLevel().getFluidState(bcn.getClickedPos());
        if (cog3.is(FluidTags.WATER) && cog3.getAmount() == 8) {
            return super.getStateForPlacement(bcn);
        }
        return null;
    }
    
    @Override
    public BlockState updateShape(final BlockState byg1, final Direction fp, final BlockState byg3, final LevelAccessor bju, final BlockPos fk5, final BlockPos fk6) {
        final BlockState byg4 = super.updateShape(byg1, fp, byg3, bju, fk5, fk6);
        if (!byg4.isAir()) {
            bju.getLiquidTicks().scheduleTick(fk5, Fluids.WATER, Fluids.WATER.getTickDelay(bju));
        }
        return byg4;
    }
    
    @Override
    public boolean isValidBonemealTarget(final BlockGetter bjd, final BlockPos fk, final BlockState byg, final boolean boolean4) {
        return true;
    }
    
    @Override
    public boolean isBonemealSuccess(final Level bjt, final Random random, final BlockPos fk, final BlockState byg) {
        return true;
    }
    
    @Override
    public FluidState getFluidState(final BlockState byg) {
        return Fluids.WATER.getSource(false);
    }
    
    @Override
    public void performBonemeal(final ServerLevel xd, final Random random, final BlockPos fk, final BlockState byg) {
        final BlockState byg2 = Blocks.TALL_SEAGRASS.defaultBlockState();
        final BlockState byg3 = ((AbstractStateHolder<O, BlockState>)byg2).<DoubleBlockHalf, DoubleBlockHalf>setValue(TallSeagrass.HALF, DoubleBlockHalf.UPPER);
        final BlockPos fk2 = fk.above();
        if (xd.getBlockState(fk2).getBlock() == Blocks.WATER) {
            xd.setBlock(fk, byg2, 2);
            xd.setBlock(fk2, byg3, 2);
        }
    }
    
    @Override
    public boolean canPlaceLiquid(final BlockGetter bjd, final BlockPos fk, final BlockState byg, final Fluid cof) {
        return false;
    }
    
    @Override
    public boolean placeLiquid(final LevelAccessor bju, final BlockPos fk, final BlockState byg, final FluidState cog) {
        return false;
    }
    
    static {
        SHAPE = Block.box(2.0, 0.0, 2.0, 14.0, 12.0, 14.0);
    }
}