- #ifndef _ACTSUPT_H_ 
- #define _ACTSUPT_H_ 
-   
- #include "brender/br_types.h" 
-   
- br_uint_32 BrActorEnum(br_actor* parent, br_actor_enum_cbfn* callback, void* arg); 
-   
- br_uint_32 BrActorSearchMany(br_actor* root, char* pattern, br_actor** actors, int max); 
-   
- br_actor* BrActorSearch(br_actor* root, char* pattern); 
-   
- void RenumberActor(br_actor* a, int d); 
-   
- br_actor* BrActorAdd(br_actor* parent, br_actor* a); 
-   
- br_actor* BrActorRemove(br_actor* a); 
-   
- void BrActorRelink(br_actor* parent, br_actor* a); 
-   
- br_actor* BrActorAllocate(br_uint_8 type, void* type_data); 
-   
- void InternalActorFree(br_actor* a); 
-   
- void BrActorFree(br_actor* a); 
-   
- br_boolean ActorToRoot(br_actor* a, br_actor* world, br_matrix34* m); 
-   
- br_boolean ActorToRootTyped(br_actor* a, br_actor* world, br_matrix34* m, br_int_32* type); 
-   
- void Matrix4PerspectiveNew(br_matrix4* mat, br_angle field_of_view, br_scalar aspect, br_scalar hither, br_scalar yon, br_scalar origin_x, br_scalar origin_y); 
-   
- br_token CameraToScreenMatrix4(br_matrix4* mat, br_actor* camera); 
-   
- br_uint_16 BrActorToActorMatrix34(br_matrix34* m, br_actor* a, br_actor* b); 
-   
- void BrActorToScreenMatrix4(br_matrix4* m, br_actor* a, br_actor* camera); 
-   
- void BrMatrix34ApplyBounds(br_bounds* d, br_bounds* s, br_matrix34* m); 
-   
- void ActorToBounds(br_bounds* dest, br_actor* ap, br_model* model); 
-   
- br_bounds* BrActorToBounds(br_bounds* b, br_actor* ap); 
-   
- #endif 
-