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render3d: terrain tiles for a map with no photograph (Lamar)

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The tiles' photograph side is 0 when the map has none: no photograph or coarse photograph sections, no
decode, ter_o answers 0, and no coarse photograph texture - as such a map has always drawn. The cut and
terrain_tiles_bake no longer require one.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 17:40:39 +03:00
parent 199109f1ae
commit f02eab5c51
4 changed files with 30 additions and 14 deletions
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packages/ludic.render3d/terrain_tiles_cut.ludic
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@ -9,7 +9,7 @@ const TT_HEAD: int = 64 # bytes: 16 words
@alloc_ok("a map being made: its tiles' file and their pools, once, not a frame")
function terrain_tiles_cut(render3d_st: mut Render3dState) -> void {
if render3d_st.tt_baked or render3d_st.tt_dir == "" or render3d_st.ter_heights == null or render3d_st.ter_ortho_px == null { return }
if render3d_st.tt_baked or render3d_st.tt_dir == "" or render3d_st.ter_heights == null { return }
let t0 = gl_now_us()
tt_close(render3d_st)
let path = `{render3d_st.tt_dir}/{render3d_st.tt_key}.tiles`