68 lines
1.4 KiB
Rust
68 lines
1.4 KiB
Rust
use super::errors::GridError;
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use crate::prelude::*;
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#[derive(Component)]
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pub struct Tile {
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pub x: u32,
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pub y: u32,
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}
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#[derive(Component)]
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pub struct CropVisual;
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#[derive(Component, Default, Serialize, Deserialize, Clone, Debug)]
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pub enum TileState {
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#[default]
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Unclaimed,
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Empty,
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Occupied {
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seed: ItemType,
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},
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}
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impl TileState {
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pub fn is_blocking(&self) -> bool {
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match self {
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TileState::Occupied { .. } => true,
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_ => false,
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}
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}
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}
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#[derive(Resource)]
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pub struct Grid {
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pub width: u32,
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pub height: u32,
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pub tiles: Vec<Vec<Entity>>,
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}
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impl Grid {
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pub fn get_tile(&self, pos: (u32, u32)) -> Result<Entity, GridError> {
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if pos.0 >= self.width || pos.1 >= self.height {
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return Err(GridError::OutOfBounds {
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x: pos.0 as i32,
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y: pos.1 as i32,
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});
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}
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Ok(self.tiles[pos.0 as usize][pos.1 as usize])
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}
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pub fn map_tile_state<F>(
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&self,
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pos: (u32, u32),
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mapper: F,
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mut tile_query: Query<&mut TileState>,
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) -> Result<(), GridError>
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where
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F: FnOnce(&TileState) -> TileState,
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{
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let tile_entity = self.get_tile(pos)?;
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let mut tile_state = tile_query
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.get_mut(tile_entity)
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.map_err(|_| GridError::UnknownError)?;
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*tile_state = mapper(&*tile_state);
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Ok(())
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}
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} |