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pub struct TileGrid {
grid: Vec<Vec<TileType>>,
}
impl TileGrid {
pub fn new(xsize: usize, ysize: usize) -> TileGrid {
let mut grid = TileGrid {
grid: Vec::with_capacity(ysize),
};
for _ in 0..ysize {
let mut subvec = Vec::with_capacity(xsize);
for _ in 0..xsize {
subvec.push(TileType::Empty);
}
grid.grid.push(subvec);
}
grid
}
pub fn set_tile(&mut self, x: usize, y: usize, tile: TileType) {
self.grid[y][x] = tile;
}
/// Sets a tile if nothing lies underneath it.
pub fn set_empty_tile(&mut self, x: usize, y: usize, tile: TileType) {
self.set_tile(
x,
y,
match self.grid[y][x] {
TileType::Empty => tile,
_ => self.grid[y][x].clone(),
},
)
}
pub fn raw_data(&self) -> &Vec<Vec<TileType>> {
&self.grid
}
pub fn block_at(&self, x: usize, y: usize) -> &TileType {
&self.grid[y + 1][x]
}
}
pub fn tile_to_str(tile: &TileType) -> &str {
match tile {
TileType::Floor => ".",
TileType::Wall => "#",
TileType::Empty => " ",
TileType::StairsDown => ">",
TileType::StairsUp => "<",
TileType::Player => "@",
_ => "?",
}
}
pub trait Tileable {
fn tile(&self, grid: &mut TileGrid) -> Result<(), String>;
}
#[derive(Clone)]
pub enum TileType {
Empty,
Wall,
Floor,
StairsUp,
StairsDown,
Character,
Player,
}
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