107 lines
4.1 KiB
Java
107 lines
4.1 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.util.RandomSource;
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import net.minecraft.world.item.context.BlockPlaceContext;
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import net.minecraft.world.level.BlockGetter;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.ScheduledTickAccess;
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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.block.state.StateDefinition;
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import net.minecraft.world.level.block.state.properties.BlockStateProperties;
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import net.minecraft.world.level.block.state.properties.BooleanProperty;
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import net.minecraft.world.level.material.FluidState;
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import net.minecraft.world.level.material.Fluids;
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import net.minecraft.world.level.pathfinder.PathComputationType;
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import net.minecraft.world.phys.shapes.CollisionContext;
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import net.minecraft.world.phys.shapes.Shapes;
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import net.minecraft.world.phys.shapes.VoxelShape;
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import org.jetbrains.annotations.Nullable;
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public class LanternBlock extends Block implements SimpleWaterloggedBlock {
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public static final MapCodec<LanternBlock> CODEC = simpleCodec(LanternBlock::new);
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public static final BooleanProperty HANGING = BlockStateProperties.HANGING;
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public static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED;
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private static final VoxelShape SHAPE_STANDING = Shapes.or(Block.column(4.0, 7.0, 9.0), Block.column(6.0, 0.0, 7.0));
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private static final VoxelShape SHAPE_HANGING = SHAPE_STANDING.move(0.0, 0.0625, 0.0).optimize();
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@Override
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public MapCodec<LanternBlock> codec() {
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return CODEC;
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}
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public LanternBlock(BlockBehaviour.Properties properties) {
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super(properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(HANGING, false).setValue(WATERLOGGED, false));
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}
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@Nullable
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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FluidState fluidState = context.getLevel().getFluidState(context.getClickedPos());
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for (Direction direction : context.getNearestLookingDirections()) {
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if (direction.getAxis() == Direction.Axis.Y) {
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BlockState blockState = this.defaultBlockState().setValue(HANGING, direction == Direction.UP);
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if (blockState.canSurvive(context.getLevel(), context.getClickedPos())) {
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return blockState.setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER);
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}
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}
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}
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return null;
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}
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@Override
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protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
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return state.getValue(HANGING) ? SHAPE_HANGING : SHAPE_STANDING;
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}
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@Override
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protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
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builder.add(HANGING, WATERLOGGED);
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}
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@Override
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protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
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Direction direction = getConnectedDirection(state).getOpposite();
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return Block.canSupportCenter(level, pos.relative(direction), direction.getOpposite());
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}
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protected static Direction getConnectedDirection(BlockState state) {
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return state.getValue(HANGING) ? Direction.DOWN : Direction.UP;
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}
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@Override
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protected BlockState updateShape(
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BlockState state,
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LevelReader level,
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ScheduledTickAccess scheduledTickAccess,
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BlockPos pos,
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Direction direction,
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BlockPos neighborPos,
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BlockState neighborState,
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RandomSource random
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) {
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if ((Boolean)state.getValue(WATERLOGGED)) {
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scheduledTickAccess.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level));
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}
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return getConnectedDirection(state).getOpposite() == direction && !state.canSurvive(level, pos)
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? Blocks.AIR.defaultBlockState()
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: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
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}
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@Override
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protected FluidState getFluidState(BlockState state) {
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return state.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(state);
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}
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@Override
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protected boolean isPathfindable(BlockState state, PathComputationType pathComputationType) {
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return false;
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}
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}
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