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feat(nav): 17.3 - a map in square tiles (nav_tiled, nav_tile_build; a tile must be a whole number of cells or its seams never join, and the shim refuses one that is not; 64-bit polygon refs for 16384 tiles), ground as a NavGround with boulders as convex footprints, one save format for one tile or many, and nav_random_near - a reachable point from the caller's seed, bit-identical on the Mac and the PC. 10 tests on both

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 15:42:37 +03:00
parent 9b8606483d
commit e6893f58be
16 changed files with 436 additions and 109 deletions
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packages/ludic.nav/query.ludic
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@ -11,6 +11,14 @@ export function nav_near_x(nav_st: NavState) -> float { return nav_st.nv_near[0]
export function nav_near_y(nav_st: NavState) -> float { return nav_st.nv_near[1] }
export function nav_near_z(nav_st: NavState) -> float { return nav_st.nv_near[2] }
# a point about r from (x, y, z) that a walker standing there can reach (a wander's goal), read back
# as the nearest is; the seed is the caller's dice, so the same seed is the same point everywhere
export function nav_random_near(nav_st: NavState, kind: int, x: float, y: float, z: float, r: float, seed: int) -> bool {
let h = nv_mesh(nav_st, kind)
if h == null { return false }
return nvc_random_near(h, x, y, z, r, seed, nav_st.nv_near) == 1
}
# a way from one point to another: its corners, first the start and last the end (or as near the end
# as the mesh reaches - nav_partial says which); -1 when either end is off the mesh
export function nav_path(nav_st: mut NavState, kind: int, sx: float, sy: float, sz: float, ex: float, ey: float, ez: float) -> int {