package net.minecraft.world.level.block; import com.mojang.serialization.MapCodec; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.tags.FluidTags; import net.minecraft.world.entity.LivingEntity; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.context.BlockPlaceContext; import net.minecraft.world.level.BlockGetter; import net.minecraft.world.level.LevelAccessor; import net.minecraft.world.level.LevelReader; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.block.state.properties.DoubleBlockHalf; import net.minecraft.world.level.block.state.properties.EnumProperty; import net.minecraft.world.level.material.Fluid; 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; import org.jetbrains.annotations.Nullable; public class TallSeagrassBlock extends DoublePlantBlock implements LiquidBlockContainer { public static final MapCodec CODEC = simpleCodec(TallSeagrassBlock::new); public static final EnumProperty HALF = DoublePlantBlock.HALF; private static final VoxelShape SHAPE = Block.column(12.0, 0.0, 16.0); @Override public MapCodec codec() { return CODEC; } public TallSeagrassBlock(BlockBehaviour.Properties properties) { super(properties); } @Override protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) { return SHAPE; } @Override protected boolean mayPlaceOn(BlockState state, BlockGetter level, BlockPos pos) { return state.isFaceSturdy(level, pos, Direction.UP) && !state.is(Blocks.MAGMA_BLOCK); } @Override protected ItemStack getCloneItemStack(LevelReader level, BlockPos pos, BlockState state, boolean includeData) { return new ItemStack(Blocks.SEAGRASS); } @Nullable @Override public BlockState getStateForPlacement(BlockPlaceContext context) { BlockState blockState = super.getStateForPlacement(context); if (blockState != null) { FluidState fluidState = context.getLevel().getFluidState(context.getClickedPos().above()); if (fluidState.is(FluidTags.WATER) && fluidState.getAmount() == 8) { return blockState; } } return null; } @Override protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) { if (state.getValue(HALF) == DoubleBlockHalf.UPPER) { BlockState blockState = level.getBlockState(pos.below()); return blockState.is(this) && blockState.getValue(HALF) == DoubleBlockHalf.LOWER; } else { FluidState fluidState = level.getFluidState(pos); return super.canSurvive(state, level, pos) && fluidState.is(FluidTags.WATER) && fluidState.getAmount() == 8; } } @Override protected FluidState getFluidState(BlockState state) { return Fluids.WATER.getSource(false); } @Override public boolean canPlaceLiquid(@Nullable LivingEntity owner, BlockGetter level, BlockPos pos, BlockState state, Fluid fluid) { return false; } @Override public boolean placeLiquid(LevelAccessor level, BlockPos pos, BlockState state, FluidState fluidState) { return false; } }