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packages: ludic.ui's render3d backend threads Render3dState; render3d's settable vars (r3d_dem_path, post_*, grass_*, wt_wade_*, ...) are Render3dState's fields again, not lets

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 17:11:15 +03:00
parent ce80e64b24
commit 3a87d02696
15 changed files with 152 additions and 148 deletions
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6
packages/ludic.render3d/sky.ludic
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@ -7,11 +7,9 @@
const SKY_PREFILTER_LEVELS: int = 6
let sky_sun_boost: float = 2.3 # 2.3: the photograph's thin cloud dims its sun; a crisper day wants more
# The yaw to bake the light at the first time (radians, float bits). A game that turns the sky at
# start sets it before r3d_init, so the image-based light is baked once at that yaw rather than at
# 0 and then again - which is what sky_set_yaw at boot used to cost.
let sky_start_yaw: float = 0.0
# turn the HDRI so its sun sits at world azimuth `yaw` (radians, 0 = toward -z)
function sky_set_yaw(render3d_st: mut Render3dState, yaw: float) -> void {
@ -50,11 +48,11 @@ function sky_load(render3d_st: mut Render3dState, path: string) -> bool {
render3d_st.sky_rot_c = 1.0
# the sun's irradiance is what the IBL clip leaves out of the map; lighting it
# directly with that keeps sun and sky in the photograph's own proportion
render3d_st.sun_color = v3_new(render3d_st.hdr_sun_r * sky_sun_boost, render3d_st.hdr_sun_g * sky_sun_boost, render3d_st.hdr_sun_b * sky_sun_boost)
render3d_st.sun_color = v3_new(render3d_st.hdr_sun_r * render3d_st.sky_sun_boost, render3d_st.hdr_sun_g * render3d_st.sky_sun_boost, render3d_st.hdr_sun_b * render3d_st.sky_sun_boost)
print(`sun irradiance: {fixed(render3d_st.hdr_sun_r)} {fixed(render3d_st.hdr_sun_g)} {fixed(render3d_st.hdr_sun_b)} (Q16.16), clip {fixed(render3d_st.hdr_clip)}`)
print(`sky: {render3d_st.sky_w}x{render3d_st.sky_h}, sun at texel {render3d_st.hdr_max_x},{render3d_st.hdr_max_y}`)
render3d_st.sky_fullscreen = mesh_fullscreen(render3d_st)
if sky_start_yaw != 0.0 { sky_set_yaw(render3d_st, sky_start_yaw) } else { sky_precompute(render3d_st) }
if render3d_st.sky_start_yaw != 0.0 { sky_set_yaw(render3d_st, render3d_st.sky_start_yaw) } else { sky_precompute(render3d_st) }
return true
}