#include <libps.h>
#include "lib2d.h"

#define TILE_TIM 0x80092CE0
#define BALL_TIM 0x80092930

#define MAX_BRICKS  (100)
#define MAX_BALLS   (100)

#define BRICK_PRIORITY   (100)
#define BALL_PRIORITY    (30)

// directions
#define NE	(0)
#define NW 	(1)
#define SE	(2)
#define SW	(3)
#define N       (4)

// STRUCTURES
//------------

// Generic brick structure.
typedef struct {

	u_long state;       // state varible (UNUSED) ?

	GsSPRITE sprite;

	RECT left;          // Has four bounding boxes so
	RECT right;         // that it is possible to find
	RECT bottom;        // out exactly where the collision
	RECT top;           // occurs.

} BRICK;

// Generic ball structure.
typedef struct {

	GsSPRITE  sprite;

	long sizeMod;       // size modifier used to adjust collision box
	u_long size;        // size of ball (1-4)
	long vx,vy;         // its velocity
	RECT box;           // bounding box used for collisions

} BALL;

// PROTOTYPES
//------------

void SetBoxInfo(RECT *rect, long x, long y, long w, long h);

void SetupLevel(u_long level);

void AddBrick(long x, long y);
void SetupBricksBlank();
void DrawBricks();

void UpdateBalls();
void DrawBalls();
long SplitBall(long index);
long RemoveBall(long index);
void AddBall(long x, long y, long size, u_long direction);

long CollisionLeft(RECT rect);
long CollisionRight(RECT rect);
long CollisionBottom(RECT rect);
long CollisionTop(RECT rect);

long CollisionBalls(RECT rect);


// GLOBALS
//---------

BRICK bricks[MAX_BRICKS];  // Array of bricks
long bricksInGame;         // how many bricks are present in the game.

BALL balls[MAX_BALLS];     // Array of all the balls.
long ballsInGame;          // a counter to keep track on amount of balls