package net.minecraft.world.level.block; import com.mojang.serialization.MapCodec; 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.LevelReader; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.phys.shapes.CollisionContext; import net.minecraft.world.phys.shapes.VoxelShape; import org.jetbrains.annotations.Nullable; public abstract class GrowingPlantBlock extends Block { protected final Direction growthDirection; protected final boolean scheduleFluidTicks; protected final VoxelShape shape; protected GrowingPlantBlock(BlockBehaviour.Properties properties, Direction growthDirection, VoxelShape shape, boolean scheduleFluidTicks) { super(properties); this.growthDirection = growthDirection; this.shape = shape; this.scheduleFluidTicks = scheduleFluidTicks; } @Override protected abstract MapCodec codec(); @Nullable @Override public BlockState getStateForPlacement(BlockPlaceContext context) { BlockState blockState = context.getLevel().getBlockState(context.getClickedPos().relative(this.growthDirection)); return !blockState.is(this.getHeadBlock()) && !blockState.is(this.getBodyBlock()) ? this.getStateForPlacement(context.getLevel().random) : this.getBodyBlock().defaultBlockState(); } public BlockState getStateForPlacement(RandomSource random) { return this.defaultBlockState(); } @Override protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) { BlockPos blockPos = pos.relative(this.growthDirection.getOpposite()); BlockState blockState = level.getBlockState(blockPos); return !this.canAttachTo(blockState) ? false : blockState.is(this.getHeadBlock()) || blockState.is(this.getBodyBlock()) || blockState.isFaceSturdy(level, blockPos, this.growthDirection); } @Override protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) { if (!state.canSurvive(level, pos)) { level.destroyBlock(pos, true); } } protected boolean canAttachTo(BlockState state) { return true; } @Override protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) { return this.shape; } protected abstract GrowingPlantHeadBlock getHeadBlock(); protected abstract Block getBodyBlock(); }