video/ogl_gr.c

   1 // OGL video functions. - Added 9/15/99 Matthew Mueller
   2
   3 #include <conf.h>
   4 #ifdef OGL
   5
   6
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9 #include <string.h>
  10 #ifdef __WINDOWS__
  11 #include <windows.h>
  12 #endif
  13
  14 //#include <GL/gl.h>
  15 #include <unistd.h>
  16 #include <sys/types.h>
  17 #include <sys/stat.h>
  18 #include <fcntl.h>
  19 #include <errno.h>
  20
  21 #include "game.h"
  22 #include "text.h"
  23 #include "gr.h"
  24 #include "gamefont.h"
  25 #include "grdef.h"
  26 #include "palette.h"
  27 #include "u_mem.h"
  28 #include "error.h"
  29
  30 #include "inferno.h"
  31 #include "screens.h"
  32
  33 #include "strutil.h"
  34 #include "mono.h"
  35 #include "args.h"
  36 #include "key.h"
  37
  38 #include "gamefont.h"
  39
  40 #define DECLARE_VARS
  41 #include "ogl_init.h"
  42 #include <GL/glu.h>
  43
  44 int ogl_voodoohack=0;
  45
  46 int gr_installed = 0;
  47
  48
  49 void gr_palette_clear(); // Function prototype for gr_init;
  50 int gl_initialized=0;
  51 int gl_reticle=1;
  52
  53 int ogl_fullscreen=0;
  54 int gr_check_fullscreen(void){
  55         return ogl_fullscreen;
  56 }
  57 void gr_do_fullscreen(int f){
  58         if (ogl_voodoohack)
  59                 ogl_fullscreen=1;//force fullscreen mode on voodoos.
  60         else
  61                 ogl_fullscreen=f;
  62         if (gl_initialized){
  63                 ogl_do_fullscreen_internal();
  64         }
  65 }
  66 int gr_toggle_fullscreen(void){
  67         gr_do_fullscreen(!ogl_fullscreen);
  68         //      grd_curscreen->sc_mode=0;//hack to get it to reset screen mode
  69         return ogl_fullscreen;
  70 }
  71
  72
  73 void ogl_init_state(void){
  74         /* select clearing (background) color   */
  75         glClearColor(0.0, 0.0, 0.0, 0.0);
  76         glShadeModel(GL_SMOOTH);
  77
  78         /* initialize viewing values */
  79         glMatrixMode(GL_PROJECTION);
  80         glLoadIdentity();
  81         glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
  82         glScalef(1.0, -1.0, 1.0);
  83         glTranslatef(0.0, -1.0, 0.0);
  84         gr_palette_step_up(0,0,0);//in case its left over from in game
  85 }
  86
  87 int last_screen_mode=-1;
  88 void ogl_set_screen_mode(void){
  89         if (last_screen_mode==Screen_mode)
  90                 return;
  91         OGL_VIEWPORT(0,0,grd_curscreen->sc_w,grd_curscreen->sc_h);
  92 //      OGL_VIEWPORT(grd_curcanv->cv_bitmap.bm_x,grd_curcanv->cv_bitmap.bm_y,grd_curcanv->cv_bitmap.bm_w,grd_curcanv->cv_bitmap.bm_h);
  93         if (Screen_mode==SCREEN_GAME){
  94                 glDrawBuffer(GL_BACK);
  95         }else{
  96                 glClearColor(0.0, 0.0, 0.0, 0.0);
  97                 glDrawBuffer(GL_FRONT);
  98                 glClear(GL_COLOR_BUFFER_BIT);
  99                 glMatrixMode(GL_PROJECTION);
 100                 glLoadIdentity();//clear matrix
 101                 glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
 102                 glMatrixMode(GL_MODELVIEW);
 103                 glLoadIdentity();//clear matrix
 104                 glEnable(GL_BLEND);
 105                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 106         }
 107         last_screen_mode=Screen_mode;
 108 }
 109 void gr_update()
 110 {
 111         if (gl_initialized){
 112
 113                 if(Screen_mode != SCREEN_GAME){
 114                         glFlush();
 115                 }
 116         }
 117 }
 118
 119 const char *gl_vendor,*gl_renderer,*gl_version,*gl_extensions;
 120 void ogl_get_verinfo(void){
 121         int t;
 122         gl_vendor=glGetString(GL_VENDOR);
 123         gl_renderer=glGetString(GL_RENDERER);
 124         gl_version=glGetString(GL_VERSION);
 125         gl_extensions=glGetString(GL_EXTENSIONS);
 126
 127         printf("gl vendor:%s renderer:%s version:%s extensions:%s\n",gl_vendor,gl_renderer,gl_version,gl_extensions);
 128
 129         ogl_intensity4_ok=1;ogl_luminance4_alpha4_ok=1;ogl_rgba2_ok=1;
 130
 131         //add driver specific hacks here.  whee.
 132         if (stricmp(gl_renderer,"Mesa NVIDIA RIVA 1.0\n")==0 && stricmp(gl_version,"1.2 Mesa 3.0")==0){
 133                 ogl_intensity4_ok=0;//ignores alpha, always black background instead of transparent.
 134                 ogl_readpixels_ok=0;//either just returns all black, or kills the X server entirely
 135         }
 136
 137         //allow overriding of stuff.
 138         if ((t=FindArg("-gl_intensity4_ok"))){
 139                 ogl_intensity4_ok=atoi(Args[t+1]);
 140         }
 141         if ((t=FindArg("-gl_luminance4_alpha4_ok"))){
 142                 ogl_luminance4_alpha4_ok=atoi(Args[t+1]);
 143         }
 144         if ((t=FindArg("-gl_rgba2_ok"))){
 145                 ogl_rgba2_ok=atoi(Args[t+1]);
 146         }
 147         if ((t=FindArg("-gl_readpixels_ok"))){
 148                 ogl_readpixels_ok=atoi(Args[t+1]);
 149         }
 150
 151         printf("gl_intensity4:%i gl_luminance4_alpha4:%i gl_rgba2:%i gl_readpixels:%i\n",ogl_intensity4_ok,ogl_luminance4_alpha4_ok,ogl_rgba2_ok,ogl_readpixels_ok);
 152 }
 153
 154 int gr_set_mode(u_int32_t mode)
 155 {
 156         unsigned int w,h;
 157
 158 #ifdef NOGRAPH
 159 return 0;
 160 #endif
 161 //      mode=0;
 162         if (mode<=0)
 163                 return 0;
 164
 165         w=SM_W(mode);
 166         h=SM_H(mode);
 167
 168         //if (screen != NULL) gr_palette_clear();
 169
 170 //      ogl_init_state();
 171
 172         memset( grd_curscreen, 0, sizeof(grs_screen));
 173         grd_curscreen->sc_mode = mode;
 174         grd_curscreen->sc_w = w;
 175         grd_curscreen->sc_h = h;
 176         grd_curscreen->sc_aspect = fixdiv(grd_curscreen->sc_w*3,grd_curscreen->sc_h*4);
 177         grd_curscreen->sc_canvas.cv_bitmap.bm_x = 0;
 178         grd_curscreen->sc_canvas.cv_bitmap.bm_y = 0;
 179         grd_curscreen->sc_canvas.cv_bitmap.bm_w = w;
 180         grd_curscreen->sc_canvas.cv_bitmap.bm_h = h;
 181         //grd_curscreen->sc_canvas.cv_bitmap.bm_rowsize = screen->pitch;
 182         grd_curscreen->sc_canvas.cv_bitmap.bm_rowsize = w;
 183         grd_curscreen->sc_canvas.cv_bitmap.bm_type = BM_OGL;
 184         //grd_curscreen->sc_canvas.cv_bitmap.bm_data = (unsigned char *)screen->pixels;
 185         grd_curscreen->sc_canvas.cv_bitmap.bm_data = realloc(grd_curscreen->sc_canvas.cv_bitmap.bm_data,w*h);
 186         gr_set_current_canvas(NULL);
 187         //gr_enable_default_palette_loading();
 188
 189         ogl_init_window(w,h);//platform specific code
 190
 191         ogl_get_verinfo();
 192
 193         OGL_VIEWPORT(0,0,w,h);
 194
 195         ogl_set_screen_mode();
 196
 197         //gamefont_choose_game_font(w,h);
 198
 199         return 0;
 200 }
 201
 202 #define GLstrcmptestr(a,b) if (stricmp(a,#b)==0 || stricmp(a,"GL_" #b)==0)return GL_ ## b;
 203 int ogl_atotexfilti(char *a,int min){
 204         GLstrcmptestr(a,NEAREST);
 205         GLstrcmptestr(a,LINEAR);
 206         if (min){//mipmaps are valid only for the min filter
 207                 GLstrcmptestr(a,NEAREST_MIPMAP_NEAREST);
 208                 GLstrcmptestr(a,NEAREST_MIPMAP_LINEAR);
 209                 GLstrcmptestr(a,LINEAR_MIPMAP_NEAREST);
 210                 GLstrcmptestr(a,LINEAR_MIPMAP_LINEAR);
 211         }
 212         Error("unknown/invalid texture filter %s\n",a);
 213 //      return GL_NEAREST;
 214 }
 215 int ogl_testneedmipmaps(int i){
 216         switch (i){
 217                 case GL_NEAREST:
 218                 case GL_LINEAR:
 219                         return 0;
 220                 case GL_NEAREST_MIPMAP_NEAREST:
 221                 case GL_NEAREST_MIPMAP_LINEAR:
 222                 case GL_LINEAR_MIPMAP_NEAREST:
 223                 case GL_LINEAR_MIPMAP_LINEAR:
 224                         return 1;
 225         }
 226         Error("unknown texture filter %x\n",i);
 227 //      return -1;
 228 }
 229 #ifdef OGL_RUNTIME_LOAD
 230 #ifdef __WINDOWS__
 231 char *OglLibPath="opengl32.dll";
 232 #endif
 233 #ifdef __LINUX__
 234 char *OglLibPath="libGL.so";
 235 #endif
 236
 237 int ogl_rt_loaded=0;
 238 int ogl_init_load_library(void)
 239 {
 240         int retcode=0;
 241         if (!ogl_rt_loaded){
 242                 int t;
 243                 if ((t=FindArg("-gl_library")))
 244                         OglLibPath=Args[t+1];
 245
 246                 retcode = OpenGL_LoadLibrary(true);
 247                 if(retcode)
 248                 {
 249                         mprintf((0,"Opengl loaded ok\n"));
 250
 251                         if(!glEnd)
 252                         {
 253                                 Error("Opengl: Functions not imported\n");
 254                         }
 255                 }else{
 256                         Error("Opengl: error loading %s\n",OglLibPath);
 257                 }
 258                 ogl_rt_loaded=1;
 259         }
 260         return retcode;
 261 }
 262 #endif
 263
 264 int gr_init()
 265 {
 266  int mode = SM(640,480);
 267  int retcode,t,glt=0;
 268         // Only do this function once!
 269         if (gr_installed==1)
 270                 return -1;
 271
 272
 273 #ifdef OGL_RUNTIME_LOAD
 274         ogl_init_load_library();
 275 #endif
 276
 277 #ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE
 278         if (FindArg("-gl_voodoo")){
 279                 ogl_voodoohack=1;
 280                 gr_toggle_fullscreen();
 281         }
 282         if (FindArg("-fullscreen"))
 283                 gr_toggle_fullscreen();
 284 #endif
 285         if ((glt=FindArg("-gl_alttexmerge")))
 286                 ogl_alttexmerge=1;
 287         if ((t=FindArg("-gl_stdtexmerge")))
 288                 if (t>=glt)//allow overriding of earlier args
 289                         ogl_alttexmerge=0;
 290
 291         if ((glt=FindArg("-gl_16bittextures")))
 292                 ogl_rgba_format=GL_RGB5_A1;
 293
 294         if ((glt=FindArg("-gl_mipmap"))){
 295                 GL_texmagfilt=GL_LINEAR;
 296                 GL_texminfilt=GL_LINEAR_MIPMAP_NEAREST;
 297         }
 298         if ((t=FindArg("-gl_simple"))){
 299                 if (t>=glt){//allow overriding of earlier args
 300                         glt=t;
 301                         GL_texmagfilt=GL_NEAREST;
 302                         GL_texminfilt=GL_NEAREST;
 303                 }
 304         }
 305         if ((t=FindArg("-gl_texmagfilt")) || (t=FindArg("-gl_texmagfilter"))){
 306                 if (t>=glt)//allow overriding of earlier args
 307                         GL_texmagfilt=ogl_atotexfilti(Args[t+1],0);
 308         }
 309         if ((t=FindArg("-gl_texminfilt")) || (t=FindArg("-gl_texminfilter"))){
 310                 if (t>=glt)//allow overriding of earlier args
 311                         GL_texminfilt=ogl_atotexfilti(Args[t+1],1);
 312         }
 313         GL_needmipmaps=ogl_testneedmipmaps(GL_texminfilt);
 314         mprintf((0,"gr_init: texmagfilt:%x texminfilt:%x needmipmaps=%i\n",GL_texmagfilt,GL_texminfilt,GL_needmipmaps));
 315
 316         if ((t=FindArg("-gl_vidmem"))){
 317                 ogl_mem_target=atoi(Args[t+1])*1024*1024;
 318         }
 319         if ((t=FindArg("-gl_reticle"))){
 320                 gl_reticle=atoi(Args[t+1]);
 321         }
 322         //printf("ogl_mem_target=%i\n",ogl_mem_target);
 323
 324         ogl_init();//platform specific initialization
 325
 326         ogl_init_texture_list_internal();
 327
 328         MALLOC( grd_curscreen,grs_screen,1 );
 329         memset( grd_curscreen, 0, sizeof(grs_screen));
 330         grd_curscreen->sc_canvas.cv_bitmap.bm_data = NULL;
 331
 332         // Set the mode.
 333         if ((retcode=gr_set_mode(mode)))
 334         {
 335                 return retcode;
 336         }
 337         grd_curscreen->sc_canvas.cv_color = 0;
 338         grd_curscreen->sc_canvas.cv_drawmode = 0;
 339         grd_curscreen->sc_canvas.cv_font = NULL;
 340         grd_curscreen->sc_canvas.cv_font_fg_color = 0;
 341         grd_curscreen->sc_canvas.cv_font_bg_color = 0;
 342         gr_set_current_canvas( &grd_curscreen->sc_canvas );
 343
 344         gr_installed = 1;
 345
 346         atexit(gr_close);
 347
 348         return 0;
 349 }
 350
 351 void gr_close()
 352 {
 353 //      mprintf((0,"ogl init: %s %s %s - %s\n",glGetString(GL_VENDOR),glGetString(GL_RENDERER),glGetString(GL_VERSION),glGetString,(GL_EXTENSIONS)));
 354
 355         ogl_close();//platform specific code
 356         if (grd_curscreen){
 357                 if (grd_curscreen->sc_canvas.cv_bitmap.bm_data)
 358                         d_free(grd_curscreen->sc_canvas.cv_bitmap.bm_data);
 359                 d_free(grd_curscreen);
 360         }
 361 #ifdef OGL_RUNTIME_LOAD
 362         if (ogl_rt_loaded)
 363                 OpenGL_LoadLibrary(false);
 364 #endif
 365 }
 366 extern int r_upixelc;
 367 void ogl_upixelc(int x, int y, int c){
 368         r_upixelc++;
 369 //      printf("gr_upixelc(%i,%i,%i)%i\n",x,y,c,Function_mode==FMODE_GAME);
 370 //      if(Function_mode != FMODE_GAME){
 371 //              grd_curcanv->cv_bitmap.bm_data[y*grd_curscreen->sc_canvas.cv_bitmap.bm_w+x]=c;
 372 //      }else{
 373                 OGL_DISABLE(TEXTURE_2D);
 374                 glPointSize(1.0);
 375                 glBegin(GL_POINTS);
 376 //              glBegin(GL_LINES);
 377 //      ogl_pal=gr_current_pal;
 378                 glColor3f(CPAL2Tr(c),CPAL2Tg(c),CPAL2Tb(c));
 379 //      ogl_pal=gr_palette;
 380                 glVertex2f((x+grd_curcanv->cv_bitmap.bm_x)/(float)last_width,1.0-(y+grd_curcanv->cv_bitmap.bm_y)/(float)last_height);
 381 //              glVertex2f(x/((float)last_width+1),1.0-y/((float)last_height+1));
 382                 glEnd();
 383 //      }
 384 }
 385 void ogl_urect(int left,int top,int right,int bot){
 386         GLfloat xo,yo,xf,yf;
 387         int c=COLOR;
 388
 389         xo=(left+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
 390         xf=(right+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
 391         yo=1.0-(top+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
 392         yf=1.0-(bot+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
 393
 394         OGL_DISABLE(TEXTURE_2D);
 395         glColor3f(CPAL2Tr(c),CPAL2Tg(c),CPAL2Tb(c));
 396         glBegin(GL_QUADS);
 397         glVertex2f(xo,yo);
 398         glVertex2f(xo,yf);
 399         glVertex2f(xf,yf);
 400         glVertex2f(xf,yo);
 401         glEnd();
 402 }
 403 void ogl_ulinec(int left,int top,int right,int bot,int c){
 404         GLfloat xo,yo,xf,yf;
 405
 406         xo=(left+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
 407         xf=(right+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
 408         yo=1.0-(top+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
 409         yf=1.0-(bot+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
 410
 411         OGL_DISABLE(TEXTURE_2D);
 412         glColor3f(CPAL2Tr(c),CPAL2Tg(c),CPAL2Tb(c));
 413         glBegin(GL_LINES);
 414         glVertex2f(xo,yo);
 415         glVertex2f(xf,yf);
 416         glEnd();
 417 }
 418
 419
 420 GLfloat last_r=0, last_g=0, last_b=0;
 421 int do_pal_step=0;
 422 void ogl_do_palfx(void){
 423 //      GLfloat r,g,b,a;
 424         OGL_DISABLE(TEXTURE_2D);
 425         if (gr_palette_faded_out){
 426 /*              glEnable(GL_BLEND);
 427                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);*/
 428                 glColor3f(0,0,0);
 429 //              r=g=b=0.0;a=1.0;
 430         }else{
 431                 if (do_pal_step){
 432                         //glBlendFunc(GL_SRC_COLOR, GL_DST_COLOR);
 433                         glEnable(GL_BLEND);
 434                         glBlendFunc(GL_ONE,GL_ONE);
 435                         glColor3f(last_r,last_g,last_b);
 436 //                      r=f2fl(last_r);g=f2fl(last_g);b=f2fl(last_b);a=0.5;
 437                 }else
 438                         return;
 439         }
 440
 441
 442         glBegin(GL_QUADS);
 443         glVertex2f(0,0);
 444         glVertex2f(0,1);
 445         glVertex2f(1,1);
 446         glVertex2f(1,0);
 447         glEnd();
 448
 449         glEnable(GL_BLEND);
 450         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 451 }
 452
 453 void gr_palette_clear()
 454 {
 455         gr_palette_faded_out=1;
 456 }
 457
 458
 459 void gr_palette_step_up( int r, int g, int b )
 460 {
 461         if (gr_palette_faded_out) return;
 462
 463 //      if ( (r==last_r) && (g==last_g) && (b==last_b) ) return;
 464
 465 /*      last_r = r/63.0;
 466         last_g = g/63.0;
 467         last_b = b/63.0;
 468         do_pal_step=(r || g || b);*/
 469
 470         last_r = (r+gr_palette_gamma)/63.0;
 471         last_g = (g+gr_palette_gamma)/63.0;
 472         last_b = (b+gr_palette_gamma)/63.0;
 473
 474         do_pal_step=(r || g || b || gr_palette_gamma);
 475
 476 }
 477
 478 //added on 980913 by adb to fix palette problems
 479 // need a min without side effects...
 480 #undef min
 481 static inline int min(int x, int y) { return x < y ? x : y; }
 482 //end changes by adb
 483
 484 void gr_palette_load( ubyte *pal )
 485 {
 486  int i;//, j;
 487
 488  for (i=0; i<768; i++ ) {
 489      gr_current_pal[i] = pal[i];
 490      if (gr_current_pal[i] > 63) gr_current_pal[i] = 63;
 491  }
 492  //palette = screen->format->palette;
 493
 494  gr_palette_faded_out=0;
 495
 496  init_computed_colors();
 497 }
 498
 499
 500
 501 int gr_palette_fade_out(ubyte *pal, int nsteps, int allow_keys)
 502 {
 503         gr_palette_faded_out=1;
 504         return 0;
 505 }
 506
 507
 508
 509 int gr_palette_fade_in(ubyte *pal, int nsteps, int allow_keys)
 510 {
 511         gr_palette_faded_out=0;
 512         return 0;
 513 }
 514
 515
 516
 517 void gr_palette_read(ubyte * pal)
 518 {
 519         int i;
 520         for (i=0; i<768; i++ ) {
 521                 pal[i]=gr_current_pal[i];
 522                 if (pal[i] > 63) pal[i] = 63;
 523         }
 524 }
 525
 526 //writes out an uncompressed RGB .tga file
 527 //if we got really spiffy, we could optionally link in libpng or something, and use that.
 528 void write_bmp(char *savename,int w,int h,unsigned char *buf){
 529         int f;
 530 #ifdef __WINDOWS__
 531         f=open(savename,O_CREAT|O_EXCL|O_WRONLY,S_IRUSR|S_IWUSR);
 532 #else
 533         f=open(savename,O_CREAT|O_EXCL|O_WRONLY,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
 534 #endif
 535         if (f>=0){
 536                 GLubyte    targaMagic[12] = { 0, //no identification field
 537                          0,//no colormap
 538                          2,//RGB image (well, BGR, actually)
 539                          0, 0, 0, 0, 0, 0, 0, 0, 0 };//no colormap or image origin stuff.
 540                 GLubyte blah;
 541                 int r;
 542                 GLubyte *s;
 543                 int x,y;
 544
 545                 //write .TGA header.
 546                 write (f,targaMagic,sizeof(targaMagic));
 547                 blah=w%256;write (f,&blah,1);//w, low
 548                 blah=w/256;write (f,&blah,1);//w, high
 549                 blah=h%256;write (f,&blah,1);//h, low
 550                 blah=h/256;write (f,&blah,1);//h, high
 551                 blah=24;write (f,&blah,1);//24 bpp
 552                 blah=0;write (f,&blah,1);//no attribute bits, origin is lowerleft, no interleave
 553
 554                 s=buf;
 555                 for (y=0;y<h;y++){//TGAs use BGR ordering of data.
 556                         for (x=0;x<w;x++){
 557                                 blah=s[0];
 558                                 s[0]=s[2];
 559                                 s[2]=blah;
 560                                 s+=3;
 561                         }
 562                 }
 563                 x=0;y=w*h*3;
 564                 while (x<y){
 565                         r=write(f,buf+x,y);
 566                         if (r<=0){
 567                                 mprintf((0,"screenshot error, couldn't write to %s (err %i)\n",savename,errno));
 568                                 break;
 569                         }
 570                         x+=r;y-=r;
 571                 }
 572                 close(f);
 573         }else{
 574                 mprintf((0,"screenshot error, couldn't open %s (err %i)\n",savename,errno));
 575         }
 576 }
 577 void save_screen_shot(int automap_flag)
 578 {
 579 //      fix t1;
 580         char message[100];
 581         static int savenum=0;
 582         char savename[13];
 583         unsigned char *buf;
 584
 585         if (!ogl_readpixels_ok){
 586                 if (!automap_flag)
 587 //                      hud_message(MSGC_GAME_FEEDBACK,"glReadPixels not supported on your configuration");
 588                 return;
 589         }
 590
 591         stop_time();
 592
 593 //added/changed on 10/31/98 by Victor Rachels to fix overwrite each new game
 594         if ( savenum == 9999 ) savenum = 0;
 595         sprintf(savename,"scrn%04d.tga",savenum++);
 596
 597         while(!access(savename,0))
 598         {
 599                 if ( savenum == 9999 ) savenum = 0;
 600                 sprintf(savename,"scrn%04d.tga",savenum++);
 601         }
 602         sprintf( message, "%s '%s'", TXT_DUMPING_SCREEN, savename );
 603 //end this section addition/change - Victor Rachels
 604
 605         if (automap_flag) {
 606 //      save_font = grd_curcanv->cv_font;
 607 //      gr_set_curfont(GAME_FONT);
 608 //      gr_set_fontcolor(gr_find_closest_color_current(0,31,0),-1);
 609 //      gr_get_string_size(message,&w,&h,&aw);
 610 //              modex_print_message(32, 2, message);
 611         } else {
 612 //              hud_message(MSGC_GAME_FEEDBACK,message);
 613         }
 614
 615         buf = d_malloc(grd_curscreen->sc_w*grd_curscreen->sc_h*3);
 616         glReadBuffer(GL_FRONT);
 617         glReadPixels(0,0,grd_curscreen->sc_w,grd_curscreen->sc_h,GL_RGB,GL_UNSIGNED_BYTE,buf);
 618         write_bmp(savename,grd_curscreen->sc_w,grd_curscreen->sc_h,buf);
 619         d_free(buf);
 620
 621         key_flush();
 622         start_time();
 623 }
 624
 625 #endif //OGL