146 lines
3.3 KiB
C
146 lines
3.3 KiB
C
/*
|
|
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 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
/*
|
|
* $Source: /cvs/cvsroot/d2x/3d/setup.c,v $
|
|
* $Revision: 1.3 $
|
|
* $Author: bradleyb $
|
|
* $Date: 2001-10-31 03:54:51 $
|
|
*
|
|
* Setup for 3d library
|
|
*
|
|
* $Log: not supported by cvs2svn $
|
|
* Revision 1.2 2001/01/31 15:17:48 bradleyb
|
|
* Makefile and conf.h fixes
|
|
*
|
|
* Revision 1.1.1.1 2001/01/19 03:29:58 bradleyb
|
|
* Import of d2x-0.0.8
|
|
*
|
|
* Revision 1.3 1999/10/07 02:27:14 donut
|
|
* OGL includes to remove warnings
|
|
*
|
|
* Revision 1.2 1999/09/21 04:05:55 donut
|
|
* mostly complete OGL implementation (still needs bitmap handling (reticle), and door/fan textures are corrupt)
|
|
*
|
|
* Revision 1.1.1.1 1999/06/14 21:57:50 donut
|
|
* Import of d1x 1.37 source.
|
|
*
|
|
* Revision 1.4 1995/10/11 00:27:04 allender
|
|
* bash free_num_points to 0
|
|
*
|
|
* Revision 1.3 1995/09/13 11:31:58 allender
|
|
* calc for fCanv_w2 and fCanv_h2
|
|
*
|
|
* Revision 1.2 1995/06/25 21:57:57 allender
|
|
* *** empty log message ***
|
|
*
|
|
* Revision 1.1 1995/05/05 08:52:54 allender
|
|
* Initial revision
|
|
*
|
|
* Revision 1.1 1995/04/17 03:59:01 matt
|
|
* Initial revision
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <conf.h>
|
|
#endif
|
|
|
|
#ifdef RCS
|
|
static char rcsid[] = "$Id: setup.c,v 1.3 2001-10-31 03:54:51 bradleyb Exp $";
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "error.h"
|
|
|
|
#include "3d.h"
|
|
#include "globvars.h"
|
|
#include "clipper.h"
|
|
//#include "div0.h"
|
|
|
|
#ifdef OGL
|
|
#include "ogl_init.h"
|
|
#endif
|
|
|
|
//initialize the 3d system
|
|
void g3_init(void)
|
|
{
|
|
// div0_init(DM_ERROR);
|
|
atexit(g3_close);
|
|
}
|
|
|
|
//close down the 3d system
|
|
void g3_close(void) {}
|
|
|
|
extern void init_interface_vars_to_assembler(void);
|
|
|
|
//start the frame
|
|
void g3_start_frame(void)
|
|
{
|
|
fix s;
|
|
|
|
//set int w,h & fixed-point w,h/2
|
|
Canv_w2 = (Canvas_width = grd_curcanv->cv_bitmap.bm_w)<<15;
|
|
Canv_h2 = (Canvas_height = grd_curcanv->cv_bitmap.bm_h)<<15;
|
|
#ifdef __powerc
|
|
fCanv_w2 = f2fl((Canvas_width = grd_curcanv->cv_bitmap.bm_w)<<15);
|
|
fCanv_h2 = f2fl((Canvas_height = grd_curcanv->cv_bitmap.bm_h)<<15);
|
|
#endif
|
|
|
|
//compute aspect ratio for this canvas
|
|
|
|
s = fixmuldiv(grd_curscreen->sc_aspect,Canvas_height,Canvas_width);
|
|
|
|
if (s <= f1_0) { //scale x
|
|
Window_scale.x = s;
|
|
Window_scale.y = f1_0;
|
|
}
|
|
else {
|
|
Window_scale.y = fixdiv(f1_0,s);
|
|
Window_scale.x = f1_0;
|
|
}
|
|
|
|
Window_scale.z = f1_0; //always 1
|
|
|
|
init_free_points();
|
|
|
|
#ifdef D1XD3D
|
|
Win32_start_frame ();
|
|
#else
|
|
#ifdef OGL
|
|
ogl_start_frame();
|
|
#else
|
|
init_interface_vars_to_assembler(); //for the texture-mapper
|
|
#endif
|
|
#endif
|
|
|
|
}
|
|
|
|
//this doesn't do anything, but is here for completeness
|
|
void g3_end_frame(void)
|
|
{
|
|
#ifdef D1XD3D
|
|
Win32_end_frame ();
|
|
#endif
|
|
#ifdef OGL
|
|
ogl_end_frame();
|
|
#endif
|
|
|
|
// Assert(free_point_num==0);
|
|
free_point_num = 0;
|
|
|
|
}
|
|
|
|
|