pub const PIXEL_RATIO: f32 = 1.0;
pub const TILE_PIXELS: u32 = 16;
pub const TILE_SIZE: f32 = TILE_PIXELS as f32 * PIXEL_RATIO;
pub const ITILE_SIZE: i32 = TILE_SIZE as i32;
pub const SEED: u32 = 420;

pub const PATHFINDER_SHORT_PATH_MAX_TILES: i32 = 64;
pub const PATHFINDER_MAX_NODES: usize = 15000;
pub const PATHFINDER_PROVISIONAL_NODE_LIMIT: usize = 256;
// Tier 1: Same/adjacent chunk -> sync A* (fast, ~87µs)
// Tier 2: 2-4 chunks away -> Provisional + full path via queue
// Tier 3: >4 chunks away -> Hierarchical chunk-path + async segmented A*
pub const PATHFINDER_HIERARCHICAL_THRESHOLD_CHUNKS: i32 = 4;