// refresh.h -- public interface to refresh functions
// sky stuff
-extern char skyname[];
extern void R_SetSkyBox(char* sky);
-extern void LoadSky_f(void);
-extern rtexture_t *solidskytexture;
-extern rtexture_t *alphaskytexture;
-extern float speedscale; // for top sky and bottom sky
// far clip distance for scene
extern cvar_t r_farclip;