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steel_core/behavior/blocks/vegetation/
sapling_block.rs

1use steel_macros::block_behavior;
2use steel_registry::vanilla_block_tags::BlockTag;
3use steel_utils::{BlockPos, BlockStateId};
4
5use crate::behavior::block::BlockBehavior;
6use crate::behavior::context::BlockPlaceContext;
7use crate::world::LevelReader;
8
9use super::{BlockRef, default_surviving_state, survives_on_tag};
10
11/// Vanilla `SaplingBlock` survival.
12// TODO: Implement random ticking, bonemeal growth, and tree grower behavior.
13#[block_behavior]
14pub struct SaplingBlock {
15    block: BlockRef,
16}
17
18impl SaplingBlock {
19    /// Creates a new sapling block behavior.
20    #[must_use]
21    pub const fn new(block: BlockRef) -> Self {
22        Self { block }
23    }
24}
25
26impl BlockBehavior for SaplingBlock {
27    fn can_survive(&self, _state: BlockStateId, world: &dyn LevelReader, pos: BlockPos) -> bool {
28        survives_on_tag(world, pos, &BlockTag::SUPPORTS_VEGETATION)
29    }
30
31    fn get_state_for_placement(&self, context: &BlockPlaceContext<'_>) -> Option<BlockStateId> {
32        default_surviving_state(self.block, self, context)
33    }
34}