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feat(npc, nav): 17.5 - a person walks by the world's way where it has one (NpcWorld.way: the next corner toward the target, asked every half second, on reaching it or for a new target; the errand begins only at the target itself; the step round and the give-up stay the fallback), way_test round a wall; and ludic.nav reads a mesh file into the shim's own memory and frees it once parsed, so loading a map leaves nothing in Ludic's never-freed heap

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 21:57:34 +03:00
parent 4add35b4ca
commit ee0768bf3e
12 changed files with 184 additions and 39 deletions
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18
packages/ludic.nav/build.ludic
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@ -47,8 +47,8 @@ export function nav_polygons(nav_st: NavState, kind: int) -> int {
return nvc_polys(h)
}
# a kind's mesh written to a file, and read back. Reading holds the file's bytes for good (a slice
# is never given back), so a mesh is loaded once per map, never per frame
# a kind's mesh written to a file, and read back - through the asset pack when it is in one - into the
# shim's own memory, which it frees once the tiles are made, so a map swap leaves nothing behind
export function nav_save_file(nav_st: NavState, kind: int, path: string) -> bool {
let h = nv_mesh(nav_st, kind)
if h == null { return false }
@ -59,8 +59,14 @@ export function nav_save_file(nav_st: NavState, kind: int, path: string) -> bool
return Fs.write_bytes(path, buf, n)
}
export function nav_load_file(nav_st: mut NavState, kind: int, path: string) -> bool {
if not Fs.exists(path) { return false }
let buf = Fs.read_bytes(path)
if buf == null or len(buf) == 0 { return false }
return nv_set(nav_st, kind, nvc_load(buf, len(buf)))
let f = file_open(path, "rb")
if f == null { return false }
file_seek(f, 0, 2)
let n = file_tell(f)
file_seek(f, 0, 0)
let buf = nvc_stage(n)
var got = 0
if buf != null { got = file_read(f, buf, n) }
file_close(f)
return nv_set(nav_st, kind, nvc_load_staged(buf, got))
}