int cached_light[MAXLIGHTMAPS]; // values currently used in lightmap
qboolean cached_dlight; // true if dynamic light in cache
qboolean cached_lighthalf; // LordHavoc: to cause lightmap to be rerendered when lighthalf changes
+ float cached_ambient; // LordHavoc: rerender lightmaps when r_ambient changes
byte *samples; // [numstyles*surfsize]
} msurface_t;