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feat(render3d): replace the world at run time, water bodies, terrain_sea

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terrain_reload/terrain_unload release one map's height field, survey, photograph
and patch bounds and generate another at any TERRAIN_HALF; scatter_clear_all
(with streams), actor_clear_all, col_reset and mesh_free empty the scene;
water_body_add/water_bodies_clear draw several still-water planes with one
reflecting; terrain_sea separates the coast's sea level from the carved lake's,
and grass keeps off both. Fixes CDLOD patch bounds for TERRAIN_HALF != 4096 and
water_init leaking a mesh and program per call. examples/rendering/reload.ludic.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-13 00:03:40 +03:00
parent 70bda0c4df
commit a4a3d75cd9
13 changed files with 308 additions and 19 deletions
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13
packages/ludic.render3d/stream.ludic
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@ -313,3 +313,16 @@ function stream_update_all() -> void {
stream_deadline = gl_now_us() + STREAM_BUDGET_US
for i in 0 .. len(stream_all) { stream_update(stream_all[i], cam_pos[0], cam_pos[2]) }
}
# every stream and its cached chunks, for a world being replaced (scatter_clear_all)
function stream_clear_all() -> void {
if stream_all == null { return }
for i in 0 .. len(stream_all) {
let s = stream_all[i]
if s.chunks != null { for c in 0 .. len(s.chunks) { if s.chunks[c].data != null { free(s.chunks[c].data) } } }
if s.keys != null { free(s.keys) }
if s.htab != null { free(s.htab) }
if s.bands != null { free(s.bands) }
}
stream_all = null
}