/*============================================================================



		NINTENDO64 TECHNICAL SUPPORT CENTER 

		

		    NINTENDO64 SAMPLE PROGRAM 2



		Copyright (C) 1997, NINTENDO Co,Ltd.



============================================================================*/

#ifndef _GRAPHIC_H_

#define _GRAPHIC_H_



#define GFX_MESGS_MAX     8

#define GFX_GLIST_LEN     2048



#define GFX_00            00

#define GFX_01            01

#define GFX_10            10

#define GFX_20            20

#define GFX_30            30

#define GFX_NULL          0xffffffff



/* graphics microcode  */

#define GFX_GSPCODE_F3DEX2    0



/* the number of graphics task (1 frame) */

#define GFX_GTASK_NUM        8





/*-------------------------- define structure ------------------------------ */

/*

   The structure defined here is defined for use with the sample.  

Please make additions and changes appropriate to your use.

*/

/* projection matrix  structure */

typedef struct {

  Mtx     projection;

  Mtx     modeling;

  Mtx     viewing;

  Mtx     line_mtx;

} Dynamic;



/*

  view structure

*/

typedef struct {

  float   eye_x;

  float   eye_y;

  float   eye_z;

  float   at_x;

  float   at_y;

  float   at_z;

  float   up_x;

  float   up_y;

  float   up_z;

  float   pitch;

  float   yaw;

  float   roll;

  float   dist;

} CLookAt;



/* object coordinates structure */

typedef struct {

  float x;     /* X position */

  float y;     /* Y position */

  float z;     /* Z position */

  float roll;  /* Z axis of rotation */

  float pitch; /* X axis of rotation */

  float yaw;   /* Y axis of rotation */

  float size;  /* enlargement ratio  */

} CPos;



/* model structure */

typedef struct {

  float pos_x;

  float pos_y;

  float pos_z;

  float rot_x;

  float rot_y;

  float rot_z;

  float size;

  Mtx     trans;

  Mtx     scale;

  Mtx     rotate;

} ModelMtx;



/* graphic task message structure */

typedef union {    

    struct {

        short   type;

    } gen;

    struct {

        short   type;

    } done;

    NNScMsg   app;

} GFXMsg;



/*-------------------------------- parameter---------------------------------*/

extern u32 graphic_no;

extern Dynamic gfx_dynamic[];

extern OSMesgQueue *sched_gfxMQ;

extern OSMesgQueue gfx_msgQ;

extern Gfx* glist_ptr;

extern u32 gfx_cfbdrawbuffer;

extern u8* gfxdlist_buffer_ptr;

extern NNScTask   gfx_task[];

extern Gfx gfx_dlist_buf[GFX_DLIST_BUF_NUM][GFX_DLIST_BUF_SIZE];

extern Gfx gfx_glist[GFX_GTASK_NUM][GFX_GLIST_LEN];

extern u32 gfx_gtask_no;

extern CLookAt lookat;

extern u32     pendingGFX ;

/*-------------------------------- function ---------------------------------*/

extern void gfxInit(u8*);

extern void gfxCreateGraphicThread(NNSched*);

extern short gfxWaitMessage(void);

extern void gfxTaskStart(NNScTask*, Gfx*, s32, u32, u32);

extern void gfxPositionF(float mf[4][4], CPos* );

extern void gfxPosition(Mtx* , CPos*);

extern void gfxTranslateF(float mf[4][4], CPos*);

extern void gfxTranslate(Mtx* , CPos*);

extern void gfxRCPInit(void);

extern void gfxClearCfb(void);



/*------------------------------- other extern define -----------------------*/

extern Gfx rdpstateinit_dl[];

extern Gfx setup_rdpstate[];

extern Gfx setup_rspstate[];



#endif /* _GRAPHIC_H_ */