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use crate::{
config::{CELLS_IN_CHUNK, CHUNK_SIZE},
sim::{
cell::{cell::Cell, materials::MaterialId},
lib::marching_squares::Marchable,
},
};
pub struct Chunk {
pub cells: Box<[Cell; CELLS_IN_CHUNK]>,
pub sleeping: bool,
pub needs_texture_update: bool,
}
impl Chunk {
#[inline]
pub fn get_cell_at_local_position(&self, x: u8, y: u8) -> Cell {
self.cells[x as usize + y as usize * CHUNK_SIZE as usize]
}
#[inline]
pub fn set_cell_at_local_position(&mut self, x: u8, y: u8, cell: Cell) {
self.cells[x as usize + y as usize * CHUNK_SIZE as usize] = cell;
}
pub fn void() -> Self {
Chunk {
cells: Box::new([Cell::void(); CELLS_IN_CHUNK]),
sleeping: true,
needs_texture_update: true,
}
}
}
impl Marchable for Chunk {
fn occupied(&self, x: i32, y: i32) -> bool {
if x < 0 || x >= CHUNK_SIZE || y < 0 || y >= CHUNK_SIZE {
false
} else {
self.get_cell_at_local_position(x as u8, y as u8).material != MaterialId::Void
}
}
}
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