int (*BoxTouchingPVS)(struct model_s *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs);
int (*BoxTouchingLeafPVS)(struct model_s *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs);
int (*BoxTouchingVisibleLeafs)(struct model_s *model, const qbyte *visibleleafs, const vec3_t mins, const vec3_t maxs);
+ int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
extern cvar_t r_fullbrights;
void Mod_Init (void);
-#define Mod_CheckLoaded(mod) (mod ? (mod->loaded ? (mod->used = true) : (Mod_LoadModel(mod, true, true, mod->isworldmodel), true)) : false)
model_t *Mod_LoadModel(model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
void Mod_ClearAll (void);
model_t *Mod_FindName (const char *name);
void Mod_ClearUsed(void);
void Mod_PurgeUnused(void);
void Mod_RemoveStaleWorldModels(model_t *skip); // only used during loading!
-void Mod_LoadModels(void);
extern model_t *loadmodel;
extern char loadname[32]; // for hunk tags