TheWildBackport/common/src/main/java/com/cursedcauldron/wildbackport/common/blocks/MangrovePropaguleBlock.java

package com.cursedcauldron.wildbackport.common.blocks;

import java.util.Random;

import com.cursedcauldron.wildbackport.common.registry.WBBlocks;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.SaplingBlock;
import net.minecraft.world.level.block.SimpleWaterloggedBlock;
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.Vec3;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jetbrains.annotations.Nullable;

//<>

public class MangrovePropaguleBlock
    extends SaplingBlock implements SimpleWaterloggedBlock {
    private static final VoxelShape[] SHAPES
        = new VoxelShape[] { Block.box(7.0D, 13.0D, 7.0D, 9.0D, 16.0D, 9.0D),
                             Block.box(7.0D, 10.0D, 7.0D, 9.0D, 16.0D, 9.0D),
                             Block.box(7.0D, 7.0D, 7.0D, 9.0D, 16.0D, 9.0D),
                             Block.box(7.0D, 3.0D, 7.0D, 9.0D, 16.0D, 9.0D),
                             Block.box(7.0D, 0.0D, 7.0D, 9.0D, 16.0D, 9.0D) };
    public static final IntegerProperty AGE = StateProperties.AGE_4;
    public static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED;
    public static final BooleanProperty HANGING = BlockStateProperties.HANGING;

    public MangrovePropaguleBlock(Properties properties) {
        super(new MangroveTreeGrower(0.85F), properties);
        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> builder) {
        builder.add(STAGE, AGE, WATERLOGGED, HANGING);
    }

    @Override
    protected boolean mayPlaceOn(BlockState state, BlockGetter block, BlockPos pos) {
        return super.mayPlaceOn(state, block, pos) || state.is(Blocks.CLAY);
    }

    @Override
    @Nullable
    @SuppressWarnings("ConstantConditions")
    public BlockState getStateForPlacement(BlockPlaceContext ctx) {
        FluidState fluidState = ctx.getLevel().getFluidState(ctx.getClickedPos());
        return super.getStateForPlacement(ctx)
            .setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER)
            .setValue(AGE, 4);
    }

    @Override
    public VoxelShape getShape(
        BlockState state, BlockGetter block, BlockPos pos, CollisionContext context
    ) {
        Vec3 offset = state.getOffset(block, pos);
        VoxelShape shape
            = !state.getValue(HANGING) ? SHAPES[4] : SHAPES[state.getValue(AGE)];
        return shape.move(offset.x, offset.y, offset.z);
    }

    @Override
    public boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
        return isHanging(state)
            ? level.getBlockState(pos.above()).is(WBBlocks.MANGROVE_LEAVES.get())
            : super.canSurvive(state, level, pos);
    }

    @Override
    public BlockState updateShape(
        BlockState state,
        Direction direction,
        BlockState newState,
        LevelAccessor level,
        BlockPos pos,
        BlockPos newPos
    ) {
        if (state.getValue(WATERLOGGED))
            level.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level));
        return direction == Direction.UP && !state.canSurvive(level, pos)
            ? Blocks.AIR.defaultBlockState()
            : super.updateShape(state, direction, newState, level, pos, newPos);
    }

    @Override
    public OffsetType getOffsetType() {
        return OffsetType.XZ;
    }

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

    @Override
    public void
    randomTick(BlockState state, ServerLevel level, BlockPos pos, Random random) {
        if (!isHanging(state)) {
            if (random.nextInt(7) == 0)
                this.advanceTree(level, pos, state, random);
        } else {
            if (!ageAtMax(state))
                level.setBlock(pos, state.cycle(AGE), 2);
        }
    }

    @Override
    public boolean isValidBonemealTarget(
        BlockGetter block, BlockPos pos, BlockState state, boolean flag
    ) {
        return !isHanging(state) || !ageAtMax(state);
    }

    @Override
    public boolean
    isBonemealSuccess(Level level, Random random, BlockPos pos, BlockState state) {
        return isHanging(state) ? !ageAtMax(state)
                                : super.isBonemealSuccess(level, random, pos, state);
    }

    @Override
    public void
    performBonemeal(ServerLevel level, Random random, BlockPos pos, BlockState state) {
        if (isHanging(state) && !ageAtMax(state)) {
            level.setBlock(pos, state.cycle(AGE), 2);
        } else {
            super.performBonemeal(level, random, pos, state);
        }
    }

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

    private static boolean ageAtMax(BlockState state) {
        return state.getValue(AGE) == 4;
    }

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

    public static BlockState createPropagule(int age) {
        return WBBlocks.MANGROVE_PROPAGULE.get()
            .defaultBlockState()
            .setValue(HANGING, true)
            .setValue(AGE, age);
    }
}