- sun_params.visible = getboolfield_default(L, 2,
- "visible", sun_params.visible);
- sun_params.texture = getstringfield_default(L, 2,
- "texture", sun_params.texture);
- sun_params.tonemap = getstringfield_default(L, 2,
- "tonemap", sun_params.tonemap);
- sun_params.sunrise = getstringfield_default(L, 2,
- "sunrise", sun_params.sunrise);
- sun_params.sunrise_visible = getboolfield_default(L, 2,
- "sunrise_visible", sun_params.sunrise_visible);
- sun_params.scale = getfloatfield_default(L, 2,
- "scale", sun_params.scale);
+ // reset if empty
+ if (lua_isnoneornil(L, 2)) {
+ sun_params = SkyboxDefaults::getSunDefaults();
+ } else {
+ luaL_checktype(L, 2, LUA_TTABLE);
+ sun_params.visible = getboolfield_default(L, 2, "visible", sun_params.visible);
+ sun_params.texture = getstringfield_default(L, 2, "texture", sun_params.texture);
+ sun_params.tonemap = getstringfield_default(L, 2, "tonemap", sun_params.tonemap);
+ sun_params.sunrise = getstringfield_default(L, 2, "sunrise", sun_params.sunrise);
+ sun_params.sunrise_visible = getboolfield_default(L, 2, "sunrise_visible", sun_params.sunrise_visible);
+ sun_params.scale = getfloatfield_default(L, 2, "scale", sun_params.scale);
+ }