dxx-rebirth/main/screens.h

/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/

/*
 *
 * Info on canvases, screens, etc.
 *
 */


#ifndef _SCREEN_H
#define _SCREEN_H

#include "gr.h"

// What graphics modes the game & editor open

// for Screen_mode variable
#define SCREEN_MENU		0	// viewing the menu screen
#define SCREEN_GAME		1	// viewing the menu screen
#define SCREEN_EDITOR		2	// viewing the editor screen
#define SCREEN_MOVIE		3	// viewing a movie

//from editor.c
extern grs_canvas *Canv_editor;		// the full on-scrren editor canvas
extern grs_canvas *Canv_editor_game;	// the game window on the editor screen

//from game.c
extern int set_screen_mode(int sm);	// True = editor screen

//About the screen
extern fix			VR_eye_width;
extern int 			VR_eye_switch;

//NEWVR (Add a bunch off lines)
#define VR_SEPARATION		F1_0*7/10
#define VR_PIXEL_SHIFT		-6
#define VR_WHITE_INDEX		255
#define VR_BLACK_INDEX		0
extern int			VR_eye_offset;
extern int			VR_eye_offset_changed;
extern void			VR_reset_params();
extern int			VR_use_reg_code;


extern int			VR_render_mode;
extern int			VR_low_res;
extern int			VR_show_hud;
extern int			VR_sensitivity;

extern grs_canvas		Screen_3d_window;		// The rectangle for rendering the mine to
extern grs_canvas		*VR_offscreen_buffer;		// The offscreen data buffer
extern grs_canvas		VR_render_buffer[2];		// Two offscreen buffers for left/right eyes.
extern grs_canvas		VR_render_sub_buffer[2];	// Two sub buffers for left/right eyes.
extern grs_canvas		VR_screen_sub_pages[2];		// Two sub pages of VRAM if paging is available

//values for VR_render_mode

#define VR_NONE			0	// viewing the game screen
#define VR_AREA_DET		1	// viewing with the stereo area determined method
#define VR_INTERLACED		2	// viewing with the stereo interlaced method

void game_init_render_buffers(int render_max_w, int render_max_h, int render_method);
void set_display_mode(int mode);
extern int Default_display_mode;

#define MENU_SCREEN_MODE (menu_use_game_res?Game_screen_mode:MENU_HIRES_MODE)

#endif /* _SCREENS_H */