Noratrieb/game-wip-dontplay
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Scale back coordinate types for new 50 km limit

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This commit is contained in:
crumblingstatue 2023-04-03 12:01:59 +02:00
parent 64735c7455
commit d41032dbcc
4 changed files with 10 additions and 7 deletions
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2
design.md
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@ -15,6 +15,8 @@
The evil source is at about 50 km. The evil source is at about 50 km.
The final goal is the evil source, so player is expected to mine about 50 km deep to beat the game. The final goal is the evil source, so player is expected to mine about 50 km deep to beat the game.
1 meter = one tile. 50 km = 50,000 tiles deep. 1 meter = one tile. 50 km = 50,000 tiles deep.
There could be some post-endgame content from 50,000-60,000 blocks deep.
Very unbreakable bottom or lava lake or whatever is at 60,000 blocks deep.
## Number of stuff ## Number of stuff

2
src/app.rs
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@ -57,7 +57,7 @@ impl App {
fn do_update(&mut self) { fn do_update(&mut self) {
let tp = self.game.camera_offset.tile_pos(); let tp = self.game.camera_offset.tile_pos();
self.game.camera_offset.y += 33; self.game.camera_offset.y += 800;
imm_dbg!(tp); imm_dbg!(tp);
imm_dbg!(tp.to_chunk_and_local()); imm_dbg!(tp.to_chunk_and_local());
} }

9
src/math.rs
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@ -18,9 +18,10 @@ impl WorldPos {
} }
} }
/// Horizontal center of the world /// Horizontal center of the world
pub const CENTER: WorldPosScalar = WorldPosScalar::MAX / 2; pub const CENTER: WorldPosScalar =
/// Vertical surface level (TilePosScalar::MAX / 2) as WorldPosScalar * TILE_SIZE as WorldPosScalar;
pub const SURFACE: WorldPosScalar = WorldPosScalar::MAX / 16; /// Vertical surface level. You can build 5,000 blocks upwards
pub const SURFACE: WorldPosScalar = 5000 * TILE_SIZE as WorldPosScalar;
pub const SURFACE_CENTER: Self = Self { pub const SURFACE_CENTER: Self = Self {
x: Self::CENTER, x: Self::CENTER,
y: Self::SURFACE, y: Self::SURFACE,
@ -28,7 +29,7 @@ impl WorldPos {
} }
pub fn wp_to_tp(wp: WorldPosScalar) -> TilePosScalar { pub fn wp_to_tp(wp: WorldPosScalar) -> TilePosScalar {
wp / TILE_SIZE as TilePosScalar (wp / TILE_SIZE as WorldPosScalar) as TilePosScalar
} }
#[test] #[test]

4
src/world.rs
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@ -1,7 +1,7 @@
use fnv::FnvHashMap; use fnv::FnvHashMap;
use rand::{thread_rng, Rng}; use rand::{thread_rng, Rng};
type ChunkPosScalar = u32; type ChunkPosScalar = u16;
#[derive(Hash, PartialEq, Eq, Debug, Clone, Copy)] #[derive(Hash, PartialEq, Eq, Debug, Clone, Copy)]
pub struct ChunkPos { pub struct ChunkPos {
@ -95,7 +95,7 @@ fn test_to_chunk_and_local() {
} }
// Need to support at least 4 million tiles long // Need to support at least 4 million tiles long
pub type TilePosScalar = u32; pub type TilePosScalar = u16;
const CHUNK_EXTENT: u16 = 128; const CHUNK_EXTENT: u16 = 128;
const CHUNK_N_TILES: usize = CHUNK_EXTENT as usize * CHUNK_EXTENT as usize; const CHUNK_N_TILES: usize = CHUNK_EXTENT as usize * CHUNK_EXTENT as usize;