//----------------------------------------------------------------------------------------------------------------

//  FILE:	main.h
//  AUTHOR:	Shaun Gibson  <shaunyg@hotmail.com>
//  FILE-GROUP:	Fading tutorial

//----------------------------------------------------------------------------------------------------------------



#ifndef	_MAIN_H
#define _MAIN_H





//----------------------------------------------------------------------------------------------------------------

// DEFINES

//----------------------------------------------------------------------------------------------------------------

#define SCREEN_WIDTH 320		// PAL screen resolution
#define SCREEN_HEIGHT 256

#define SPOT_ADDR 0x80090000		// address the spotlight sprite is loaded to in memory

#define OT_LENGTH 2			// length of ordering table, define here so it can be easily changed
#define NUM_BOXES 8			// number of background objects






//----------------------------------------------------------------------------------------------------------------

// GLOBAL VARIABLES

//----------------------------------------------------------------------------------------------------------------

extern	GsOT		WorldOT[2];
extern	GsOT_TAG	OT_TAGS[2][1<<OT_LENGTH];	// my ordering table

extern	PACKET		GpuPacketArea[2][24000];
extern	int		output_buffer_index;

extern	GsSPRITE	spotsprite;				//spotlight sprite handler
extern	GsBOXF		box[NUM_BOXES], fadebox, spotblock[4];	//all box handlers (includes objects, the box used
								  //to fade and the boxes used to blank the background
								  //for the spotlight

extern	short		done;
extern	int		fnt_id;
extern	short		fading;						//variables for program execution






//----------------------------------------------------------------------------------------------------------------

// PROCEDURE PROTOTYPES

//----------------------------------------------------------------------------------------------------------------

void Init(void);
void InitBoxes(void);
void InitSpotLight(void);
void InitFadeBox(void);
GsIMAGE *ReadTIM( u_long *addr );
void InitSprite( GsSPRITE *sprite, u_long attribute, short x, short y, u_short w, u_short h,
                 u_short tpage, u_char u, u_char v, short cx, short cy, u_char r, u_char g,
                 u_char b, short mx, short my, short scalex, short scaley, long rotate );
void CheckPad(void);
void Fade(void);
void SpotLight(void);
void Update(void);


#endif