package net.minecraft.world.level.block; import com.mojang.serialization.MapCodec; import java.util.OptionalInt; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.particles.ParticleTypes; import net.minecraft.server.level.ServerLevel; import net.minecraft.tags.BlockTags; import net.minecraft.util.ParticleUtils; 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.LevelAccessor; import net.minecraft.world.level.LevelReader; import net.minecraft.world.level.ScheduledTickAccess; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.block.state.StateDefinition.Builder; 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.Shapes; import net.minecraft.world.phys.shapes.VoxelShape; public class LeavesBlock extends Block implements SimpleWaterloggedBlock { public static final MapCodec CODEC = simpleCodec(LeavesBlock::new); public static final int DECAY_DISTANCE = 7; public static final IntegerProperty DISTANCE = BlockStateProperties.DISTANCE; public static final BooleanProperty PERSISTENT = BlockStateProperties.PERSISTENT; public static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED; private static final int TICK_DELAY = 1; @Override public MapCodec codec() { return CODEC; } public LeavesBlock(BlockBehaviour.Properties properties) { super(properties); this.registerDefaultState(this.stateDefinition.any().setValue(DISTANCE, 7).setValue(PERSISTENT, false).setValue(WATERLOGGED, false)); } @Override protected VoxelShape getBlockSupportShape(BlockState state, BlockGetter level, BlockPos pos) { return Shapes.empty(); } @Override protected boolean isRandomlyTicking(BlockState state) { return (Integer)state.getValue(DISTANCE) == 7 && !(Boolean)state.getValue(PERSISTENT); } @Override protected void randomTick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) { if (this.decaying(state)) { dropResources(state, level, pos); level.removeBlock(pos, false); } } protected boolean decaying(BlockState state) { return !(Boolean)state.getValue(PERSISTENT) && (Integer)state.getValue(DISTANCE) == 7; } @Override protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) { level.setBlock(pos, updateDistance(state, level, pos), 3); } @Override protected int getLightBlock(BlockState state) { return 1; } @Override protected BlockState updateShape( BlockState state, LevelReader level, ScheduledTickAccess scheduledTickAccess, BlockPos pos, Direction direction, BlockPos neighborPos, BlockState neighborState, RandomSource random ) { if ((Boolean)state.getValue(WATERLOGGED)) { scheduledTickAccess.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level)); } int i = getDistanceAt(neighborState) + 1; if (i != 1 || (Integer)state.getValue(DISTANCE) != i) { scheduledTickAccess.scheduleTick(pos, this, 1); } return state; } private static BlockState updateDistance(BlockState state, LevelAccessor level, BlockPos pos) { int i = 7; BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos(); for (Direction direction : Direction.values()) { mutableBlockPos.setWithOffset(pos, direction); i = Math.min(i, getDistanceAt(level.getBlockState(mutableBlockPos)) + 1); if (i == 1) { break; } } return state.setValue(DISTANCE, i); } private static int getDistanceAt(BlockState neighbor) { return getOptionalDistanceAt(neighbor).orElse(7); } public static OptionalInt getOptionalDistanceAt(BlockState state) { if (state.is(BlockTags.LOGS)) { return OptionalInt.of(0); } else { return state.hasProperty(DISTANCE) ? OptionalInt.of((Integer)state.getValue(DISTANCE)) : OptionalInt.empty(); } } @Override protected FluidState getFluidState(BlockState state) { return state.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(state); } @Override public void animateTick(BlockState state, Level level, BlockPos pos, RandomSource random) { if (level.isRainingAt(pos.above())) { if (random.nextInt(15) == 1) { BlockPos blockPos = pos.below(); BlockState blockState = level.getBlockState(blockPos); if (!blockState.canOcclude() || !blockState.isFaceSturdy(level, blockPos, Direction.UP)) { ParticleUtils.spawnParticleBelow(level, pos, random, ParticleTypes.DRIPPING_WATER); } } } } @Override protected void createBlockStateDefinition(Builder builder) { builder.add(DISTANCE, PERSISTENT, WATERLOGGED); } @Override public BlockState getStateForPlacement(BlockPlaceContext context) { FluidState fluidState = context.getLevel().getFluidState(context.getClickedPos()); BlockState blockState = this.defaultBlockState().setValue(PERSISTENT, true).setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER); return updateDistance(blockState, context.getLevel(), context.getClickedPos()); } }