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/*
* PARSEC HEADER: e_callbk.h
*/
#ifndef _E_CALLBK_H_
#define _E_CALLBK_H_
// type for specification of callback type/attributes -------------------------
//
enum callbacktype_t {
CBTYPE_DRAW_OBJECTS = 0x0000, // called before R_DrawWorld()
CBTYPE_DRAW_PARTICLES = 0x0001, // called before R_DrawParticles()
CBTYPE_DRAW_EFFECTS = 0x0002, // called before R_DrawLensFlare()
CBTYPE_DRAW_PRE_WORLD = 0x0003, // called by R_DrawWorld() (begin)
CBTYPE_DRAW_POST_WORLD = 0x0004, // called by R_DrawWorld() (end)
CBTYPE_DRAW_PRE_PARTICLES = 0x0005, // called by R_DrawParticles() (begin)
CBTYPE_DRAW_POST_PARTICLES = 0x0006, // called by R_DrawParticles() (end)
CBTYPE_DRAW_CUSTOM_ITER = 0x0007, // drawing of custom iter objects
CBTYPE_DRAW_OVERLAYS = 0x0008, // called at overlay drawing time
CBTYPE_VIDMODE_CHANGED = 0x0009, // notify of video mode change
CBTYPE_STREAM_ENDED = 0x000A, // notify of audiostream end
CBTYPE_USER_INPUT = 0x000B, // called before GameLoop calls INP_UserProcessInput()
CBTYPE_NUM_TYPES = 12, // ==> UPDATE THIS!! <==
CBTYPE_MASK = 0x00ff, // mask for callback type (256 types possible)
CBFLAG_REMOVE = 0x0000, // flag to remove the callback info from the list after calling
CBFLAG_PERSISTENT = 0x0100, // callback info stays in list until removed
CBFLAG_MASK = 0x0f00 //
};
// callback function type -----------------------------------------------------
//
typedef int (*global_callback_fpt)( void *param );
// special callback id indicating registration failed -------------------------
//
#define CBID_FAILED -1
// external functions ---------------------------------------------------------
//
int CALLBACK_RegisterCallback( int callbacktype, global_callback_fpt callback, void* param );
int CALLBACK_DeleteCallback( int callbacktype, int callbackid );
int CALLBACK_DestroyCallback( int callbacktype, void *param );
int CALLBACK_WalkCallbacks( int callbacktype );
#endif // _E_CALLBK_H_
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