#ifndef DISPLAY_H
#define DISPLAY_H

#include "main_em.h"

#define ORIG_TILEX		16
#define ORIG_TILEY		16
#define ORIG_SCOREX		8
#define ORIG_SCOREY		9
#define ORIG_GFXMENUFONTX	14
#define ORIG_GFXMENUFONTY	16
#define ORIG_MENUFONTX		12
#define ORIG_MENUFONTY		16

#define ZOOM_FACTOR		2

#define TILEX			(ORIG_TILEX		* ZOOM_FACTOR)
#define TILEY			(ORIG_TILEY		* ZOOM_FACTOR)
#define SCOREX			(ORIG_SCOREX		* ZOOM_FACTOR)
#define SCOREY			(ORIG_SCOREY		* ZOOM_FACTOR)
#define GFXMENUFONTX		(ORIG_GFXMENUFONTX	* ZOOM_FACTOR)
#define GFXMENUFONTY		(ORIG_GFXMENUFONTY	* ZOOM_FACTOR)
#define MENUFONTX		(ORIG_MENUFONTX		* ZOOM_FACTOR)
#define MENUFONTY		(ORIG_MENUFONTY		* ZOOM_FACTOR)

#define ORIG_SCR_MENUX		20
#define ORIG_SCR_MENUY		12
#define SCR_MENUX		17
#define SCR_MENUY		12
#define SCR_FIELDX		17
#define SCR_FIELDY		17
#define MAX_BUF_XSIZE		(SCR_FIELDX + 2)
#define MAX_BUF_YSIZE		(SCR_FIELDY + 2)

/* often used screen positions */
#define ORIG_MENU_SX		((ORIG_SCR_MENUX - SCR_MENUX) * TILEX / 2)
#define ORIG_MENU_SY		0
#define SY			8
#define SX			8
#define SY			8
#define SXSIZE			(SCR_FIELDX * TILEX)
#define SYSIZE			(SCR_FIELDY * TILEY)

#if 1
#define FRAMES_PER_SECOND	50

#define ROUNDED_DIVIDE(x, y)	(((x) + (y) - 1) / (y))

#define SECONDS_TO_FRAMES(x)	((x) * FRAMES_PER_SECOND)
#define FRAMES_TO_SECONDS(x)	((x) / FRAMES_PER_SECOND)

#define SECONDS_TO_CYCLES(x)	ROUNDED_DIVIDE((x) * FRAMES_PER_SECOND, 8)
#define CYCLES_TO_SECONDS(x)	ROUNDED_DIVIDE((x) * 8, FRAMES_PER_SECOND)

#define DISPLAY_TIME(x)		ROUNDED_DIVIDE(x, FRAMES_PER_SECOND)

#else

#define DISPLAY_TIME(x)		(((x) * 8 + 49) / 50)
#endif

extern Bitmap *screenBitmap;
extern Bitmap *scoreBitmap;

extern Bitmap *objBitmap;
extern Bitmap *sprBitmap;
extern Bitmap *ttlBitmap;
extern Bitmap *botBitmap;

extern Pixmap screenPixmap;
extern Pixmap scorePixmap;
extern Pixmap spriteBitmap;

extern Pixmap objmaskBitmap;
extern Pixmap sprmaskBitmap;

extern GC spriteGC;

#endif