Code/net/minecraft/world/level/block/MangrovePropaguleBlock.java

package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import javax.annotation.Nullable;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.util.RandomSource;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
import net.minecraft.world.level.block.grower.TreeGrower;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.BooleanProperty;
import net.minecraft.world.level.block.state.properties.IntegerProperty;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;

public class MangrovePropaguleBlock extends SaplingBlock implements SimpleWaterloggedBlock {
    public static final MapCodec<MangrovePropaguleBlock> CODEC = RecordCodecBuilder.mapCodec(
        p_360439_ -> p_360439_.group(TreeGrower.CODEC.fieldOf("tree").forGetter(p_310695_ -> p_310695_.treeGrower), propertiesCodec())
            .apply(p_360439_, MangrovePropaguleBlock::new)
    );
    public static final IntegerProperty AGE = BlockStateProperties.AGE_4;
    public static final int MAX_AGE = 4;
    private static final int[] SHAPE_MIN_Y = new int[]{13, 10, 7, 3, 0};
    private static final VoxelShape[] SHAPE_PER_AGE = Block.boxes(4, p_390941_ -> Block.column(2.0, SHAPE_MIN_Y[p_390941_], 16.0));
    private static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED;
    public static final BooleanProperty HANGING = BlockStateProperties.HANGING;

    @Override
    public MapCodec<MangrovePropaguleBlock> codec() {
        return CODEC;
    }

    public MangrovePropaguleBlock(TreeGrower p_312632_, BlockBehaviour.Properties p_221449_) {
        super(p_312632_, p_221449_);
        this.registerDefaultState(this.stateDefinition.any().setValue(STAGE, 0).setValue(AGE, 0).setValue(WATERLOGGED, false).setValue(HANGING, false));
    }

    @Override
    protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> p_221484_) {
        p_221484_.add(STAGE).add(AGE).add(WATERLOGGED).add(HANGING);
    }

    @Override
    protected boolean mayPlaceOn(BlockState p_221496_, BlockGetter p_221497_, BlockPos p_221498_) {
        return super.mayPlaceOn(p_221496_, p_221497_, p_221498_) || p_221496_.is(Blocks.CLAY);
    }

    @Nullable
    @Override
    public BlockState getStateForPlacement(BlockPlaceContext p_221456_) {
        FluidState fluidstate = p_221456_.getLevel().getFluidState(p_221456_.getClickedPos());
        boolean flag = fluidstate.getType() == Fluids.WATER;
        return super.getStateForPlacement(p_221456_).setValue(WATERLOGGED, flag).setValue(AGE, 4);
    }

    @Override
    protected VoxelShape getShape(BlockState p_221468_, BlockGetter p_221469_, BlockPos p_221470_, CollisionContext p_221471_) {
        int i = p_221468_.getValue(HANGING) ? p_221468_.getValue(AGE) : 4;
        return SHAPE_PER_AGE[i].move(p_221468_.getOffset(p_221470_));
    }

    @Override
    protected boolean canSurvive(BlockState p_221473_, LevelReader p_221474_, BlockPos p_221475_) {
        return isHanging(p_221473_) ? p_221474_.getBlockState(p_221475_.above()).is(Blocks.MANGROVE_LEAVES) : super.canSurvive(p_221473_, p_221474_, p_221475_);
    }

    @Override
    protected BlockState updateShape(
        BlockState p_221477_,
        LevelReader p_365009_,
        ScheduledTickAccess p_369801_,
        BlockPos p_221481_,
        Direction p_221478_,
        BlockPos p_221482_,
        BlockState p_221479_,
        RandomSource p_367883_
    ) {
        if (p_221477_.getValue(WATERLOGGED)) {
            p_369801_.scheduleTick(p_221481_, Fluids.WATER, Fluids.WATER.getTickDelay(p_365009_));
        }

        return p_221478_ == Direction.UP && !p_221477_.canSurvive(p_365009_, p_221481_)
            ? Blocks.AIR.defaultBlockState()
            : super.updateShape(p_221477_, p_365009_, p_369801_, p_221481_, p_221478_, p_221482_, p_221479_, p_367883_);
    }

    @Override
    protected FluidState getFluidState(BlockState p_221494_) {
        return p_221494_.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(p_221494_);
    }

    @Override
    protected void randomTick(BlockState p_221488_, ServerLevel p_221489_, BlockPos p_221490_, RandomSource p_221491_) {
        if (!isHanging(p_221488_)) {
            if (p_221491_.nextInt(7) == 0) {
                this.advanceTree(p_221489_, p_221490_, p_221488_, p_221491_);
            }
        } else {
            if (!isFullyGrown(p_221488_)) {
                p_221489_.setBlock(p_221490_, p_221488_.cycle(AGE), 2);
            }
        }
    }

    @Override
    public boolean isValidBonemealTarget(LevelReader p_256541_, BlockPos p_221459_, BlockState p_221460_) {
        return !isHanging(p_221460_) || !isFullyGrown(p_221460_);
    }

    @Override
    public boolean isBonemealSuccess(Level p_221463_, RandomSource p_221464_, BlockPos p_221465_, BlockState p_221466_) {
        return isHanging(p_221466_) ? !isFullyGrown(p_221466_) : super.isBonemealSuccess(p_221463_, p_221464_, p_221465_, p_221466_);
    }

    @Override
    public void performBonemeal(ServerLevel p_221451_, RandomSource p_221452_, BlockPos p_221453_, BlockState p_221454_) {
        if (isHanging(p_221454_) && !isFullyGrown(p_221454_)) {
            p_221451_.setBlock(p_221453_, p_221454_.cycle(AGE), 2);
        } else {
            super.performBonemeal(p_221451_, p_221452_, p_221453_, p_221454_);
        }
    }

    private static boolean isHanging(BlockState p_221500_) {
        return p_221500_.getValue(HANGING);
    }

    private static boolean isFullyGrown(BlockState p_221502_) {
        return p_221502_.getValue(AGE) == 4;
    }

    public static BlockState createNewHangingPropagule() {
        return createNewHangingPropagule(0);
    }

    public static BlockState createNewHangingPropagule(int p_221486_) {
        return Blocks.MANGROVE_PROPAGULE.defaultBlockState().setValue(HANGING, true).setValue(AGE, p_221486_);
    }
}