Noratrieb/game-wip-dontplay
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Add a surface/underground divide

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This commit is contained in:
crumblingstatue 2023-04-03 12:41:27 +02:00
parent 6f1c351b5f
commit bb25d62561
4 changed files with 16 additions and 7 deletions
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14
src/world.rs
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@ -28,7 +28,7 @@ impl World {
/// Loads or generates the containing chunk if necessary.
pub fn tile_at_mut(&mut self, pos: TilePos) -> &mut Tile {
let (chk, local) = pos.to_chunk_and_local();
let chk = self.chunks.entry(chk).or_insert_with(Chunk::new_rand);
let chk = self.chunks.entry(chk).or_insert_with(|| Chunk::gen(chk));
chk.at_mut(local)
}
}
@ -107,11 +107,13 @@ pub struct Chunk {
}
impl Chunk {
pub fn new_rand() -> Self {
pub fn gen(pos: ChunkPos) -> Self {
let mut rng = thread_rng();
let mut tiles = [Tile { id: 0 }; CHUNK_N_TILES];
for b in &mut tiles {
b.id = rng.gen_range(0..8);
if pos.y > 40 {
for b in &mut tiles {
b.id = rng.gen_range(1..5);
}
}
Self { tiles }
}
@ -127,3 +129,7 @@ type TileId = u16;
pub struct Tile {
pub id: TileId,
}
impl Tile {
pub const AIR: TileId = 0;
}