main/gamerend.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 /*
  15  *
  16  * Stuff for rendering the HUD
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include <conf.h>
  22 #endif
  23
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <stdlib.h>
  27
  28 #include "inferno.h"
  29 #include "error.h"
  30 #include "mono.h"
  31 #include "gr.h"
  32 #include "vid.h"
  33 #include "maths.h"
  34 #ifdef OGL
  35 #include "ogl_init.h"
  36 #endif
  37
  38
  39 extern fix Cruise_speed;
  40 extern int LinearSVGABuffer;
  41 extern cvar_t r_framerate;
  42
  43
  44 #ifndef NDEBUG
  45 extern int Debug_pause; // John's debugging pause system
  46 #endif
  47
  48 #ifndef RELEASE
  49 extern int Saving_movie_frames;
  50 #else
  51 #define Saving_movie_frames 0
  52 #endif
  53
  54 // Returns the length of the first 'n' characters of a string.
  55 int string_width( char * s, int n )
  56 {
  57         int w,h,aw;
  58         char p;
  59         p = s[n];
  60         s[n] = 0;
  61         gr_get_string_size( s, &w, &h, &aw );
  62         s[n] = p;
  63         return w;
  64 }
  65
  66 // Draw string 's' centered on a canvas... if wider than
  67 // canvas, then wrap it.
  68 void draw_centered_text( int y, char * s )
  69 {
  70         int i, l;
  71         char p;
  72
  73         l = (int)strlen(s);
  74
  75         if ( string_width( s, l ) < grd_curcanv->cv_bitmap.bm_w )       {
  76                 gr_string( 0x8000, y, s );
  77                 return;
  78         }
  79
  80         for (i=0; i<l; i++ )    {
  81                 if ( string_width(s,i) > (grd_curcanv->cv_bitmap.bm_w - 16) )   {
  82                         p = s[i];
  83                         s[i] = 0;
  84                         gr_string( 0x8000, y, s );
  85                         s[i] = p;
  86                         gr_string( 0x8000, y+grd_curcanv->cv_font->ft_h+1, &s[i] );
  87                         return;
  88                 }
  89         }
  90 }
  91
  92 extern ubyte DefiningMarkerMessage;
  93 extern char Marker_input[];
  94
  95 #define MAX_MARKER_MESSAGE_LEN 120
  96 void game_draw_marker_message()
  97 {
  98         char temp_string[MAX_MARKER_MESSAGE_LEN+25];
  99
 100         if ( DefiningMarkerMessage)
 101           {
 102                 gr_set_curfont( GAME_FONT );    //GAME_FONT
 103                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 104                 sprintf( temp_string, "Marker: %s_", Marker_input );
 105                 draw_centered_text(grd_curcanv->cv_bitmap.bm_h/2-16, temp_string );
 106           }
 107
 108 }
 109
 110 #ifdef NETWORK
 111 void game_draw_multi_message()
 112 {
 113         char temp_string[MAX_MULTI_MESSAGE_LEN+25];
 114
 115         if ( (Game_mode&GM_MULTI) && (multi_sending_message))   {
 116                 gr_set_curfont( GAME_FONT );    //GAME_FONT );
 117                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 118                 sprintf( temp_string, "%s: %s_", TXT_MESSAGE, Network_message );
 119                 draw_centered_text(grd_curcanv->cv_bitmap.bm_h/2-16, temp_string );
 120
 121         }
 122
 123         if ( (Game_mode&GM_MULTI) && (multi_defining_message))  {
 124                 gr_set_curfont( GAME_FONT );    //GAME_FONT );
 125                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 126                 sprintf( temp_string, "%s #%d: %s_", TXT_MACRO, multi_defining_message, Network_message );
 127                 draw_centered_text(grd_curcanv->cv_bitmap.bm_h/2-16, temp_string );
 128         }
 129 }
 130 #endif
 131
 132 //these should be in gr.h
 133 #define cv_w  cv_bitmap.bm_w
 134 #define cv_h  cv_bitmap.bm_h
 135
 136 fix frame_time_list[8] = {0,0,0,0,0,0,0,0};
 137 fix frame_time_total=0;
 138 int frame_time_cntr=0;
 139
 140 void ftoa(char *string, fix f)
 141 {
 142         int decimal, fractional;
 143
 144         decimal = f2i(f);
 145         fractional = ((f & 0xffff)*100)/65536;
 146         if (fractional < 0 )
 147                 fractional *= -1;
 148         if (fractional > 99 ) fractional = 99;
 149         sprintf( string, "%d.%02d", decimal, fractional );
 150 }
 151
 152 void show_framerate()
 153 {
 154         char temp[50];
 155    //static int q;
 156
 157         fix rate;
 158         int x = 8, y = 5; // position measured from lower right corner
 159
 160         frame_time_total += RealFrameTime - frame_time_list[frame_time_cntr];
 161         frame_time_list[frame_time_cntr] = RealFrameTime;
 162         frame_time_cntr = (frame_time_cntr+1)%8;
 163
 164         rate = fixdiv(f1_0*8,frame_time_total);
 165
 166         gr_set_curfont( GAME_FONT );
 167         gr_set_fontcolor(gr_getcolor(0,31,0),-1 );
 168
 169         ftoa( temp, rate );     // Convert fixed to string
 170         if (Game_mode & GM_MULTI)
 171                 y = 7;
 172         gr_printf(grd_curcanv->cv_w-(x*GAME_FONT->ft_w),grd_curcanv->cv_h-y*(GAME_FONT->ft_h+GAME_FONT->ft_h/4),"FPS: %s ", temp );
 173 //   if ( !( q++ % 30 ) )
 174 //      mprintf( (0,"fps: %s\n", temp ) );
 175 }
 176
 177 #ifndef NDEBUG
 178
 179 fix Show_view_text_timer = -1;
 180
 181 void draw_window_label()
 182 {
 183         if ( Show_view_text_timer > 0 )
 184         {
 185                 char *viewer_name,*control_name;
 186                 char    *viewer_id;
 187                 Show_view_text_timer -= FrameTime;
 188                 gr_set_curfont( GAME_FONT );
 189
 190                 viewer_id = "";
 191                 switch( Viewer->type )
 192                 {
 193                         case OBJ_FIREBALL:      viewer_name = "Fireball"; break;
 194                         case OBJ_ROBOT:         viewer_name = "Robot";
 195 #ifdef EDITOR
 196                                                                                 viewer_id = Robot_names[Viewer->id];
 197 #endif
 198                                 break;
 199                         case OBJ_HOSTAGE:               viewer_name = "Hostage"; break;
 200                         case OBJ_PLAYER:                viewer_name = "Player"; break;
 201                         case OBJ_WEAPON:                viewer_name = "Weapon"; break;
 202                         case OBJ_CAMERA:                viewer_name = "Camera"; break;
 203                         case OBJ_POWERUP:               viewer_name = "Powerup";
 204 #ifdef EDITOR
 205                                                                                 viewer_id = Powerup_names[Viewer->id];
 206 #endif
 207                                 break;
 208                         case OBJ_DEBRIS:                viewer_name = "Debris"; break;
 209                         case OBJ_CNTRLCEN:      viewer_name = "Reactor"; break;
 210                         default:                                        viewer_name = "Unknown"; break;
 211                 }
 212
 213                 switch ( Viewer->control_type) {
 214                         case CT_NONE:                   control_name = "Stopped"; break;
 215                         case CT_AI:                             control_name = "AI"; break;
 216                         case CT_FLYING:         control_name = "Flying"; break;
 217                         case CT_SLEW:                   control_name = "Slew"; break;
 218                         case CT_FLYTHROUGH:     control_name = "Flythrough"; break;
 219                         case CT_MORPH:                  control_name = "Morphing"; break;
 220                         default:                                        control_name = "Unknown"; break;
 221                 }
 222
 223                 gr_set_fontcolor( gr_getcolor(31, 0, 0), -1 );
 224                 gr_printf( 0x8000, 45, "%i: %s [%s] View - %s", OBJECT_NUMBER(Viewer), viewer_name, viewer_id, control_name );
 225
 226         }
 227 }
 228 #endif
 229
 230 extern int Game_window_x;
 231 extern int Game_window_y;
 232 extern int max_window_w;
 233 extern int max_window_h;
 234
 235 void render_countdown_gauge()
 236 {
 237         if (!Endlevel_sequence && Control_center_destroyed  && (Countdown_seconds_left>-1)) { // && (Countdown_seconds_left<127))       {
 238                 int     y;
 239
 240                 if (!is_D2_OEM && !is_MAC_SHARE && !is_SHAREWARE)    // no countdown on registered only
 241                 {
 242                         //      On last level, we don't want a countdown.
 243                         if (PLAYING_BUILTIN_MISSION && Current_level_num == Last_level)
 244                         {
 245                                 if (!(Game_mode & GM_MULTI))
 246                                         return;
 247                                 if (Game_mode & GM_MULTI_ROBOTS)
 248                                         return;
 249                         }
 250                 }
 251
 252                 gr_set_curfont( SMALL_FONT );
 253                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 254                 y = SMALL_FONT->ft_h*4;
 255                 if (Cockpit_mode.intval == CM_FULL_SCREEN)
 256                         y += SMALL_FONT->ft_h*2;
 257
 258                 if (Player_is_dead)
 259                         y += SMALL_FONT->ft_h*2;
 260
 261                 //if (!((Cockpit_mode.intval == CM_STATUS_BAR) && (Game_window_y >= 19)))
 262                 //      y += 5;
 263                 gr_printf(0x8000, y, "T-%d s", Countdown_seconds_left );
 264         }
 265 }
 266
 267 void game_draw_hud_stuff()
 268 {
 269         //mprintf ((0,"Linear is %d!\n",LinearSVGABuffer));
 270
 271         #ifndef NDEBUG
 272         if (Debug_pause) {
 273                 gr_set_curfont( MEDIUM1_FONT );
 274                 gr_set_fontcolor( gr_getcolor(31, 31, 31), -1 ); // gr_getcolor(31,0,0));
 275                 gr_ustring( 0x8000, 85/2, "Debug Pause - Press P to exit" );
 276         }
 277         #endif
 278
 279         #ifndef NDEBUG
 280         draw_window_label();
 281         #endif
 282
 283 #ifdef NETWORK
 284         game_draw_multi_message();
 285 #endif
 286
 287    game_draw_marker_message();
 288
 289 //   if (Game_mode & GM_MULTI)
 290 //    {
 291 //     if (Netgame.PlayTimeAllowed)
 292 //       game_draw_time_left ();
 293 //  }
 294
 295         if ((Newdemo_state == ND_STATE_PLAYBACK) || (Newdemo_state == ND_STATE_RECORDING)) {
 296                 char message[128];
 297                 int h,w,aw;
 298
 299                 if (Newdemo_state == ND_STATE_PLAYBACK) {
 300                         if (Newdemo_vcr_state != ND_STATE_PRINTSCREEN) {
 301                                 sprintf(message, "%s (%d%%%% %s)", TXT_DEMO_PLAYBACK, newdemo_get_percent_done(), TXT_DONE);
 302                         } else {
 303                                 sprintf (message, " ");
 304                         }
 305                 } else
 306                         sprintf (message, "%s", TXT_DEMO_RECORDING);
 307
 308                 gr_set_curfont( GAME_FONT );    //GAME_FONT );
 309                 gr_set_fontcolor(gr_getcolor(27,0,0), -1 );
 310
 311                 gr_get_string_size(message, &w, &h, &aw );
 312                 if (Cockpit_mode.intval == CM_FULL_COCKPIT) {
 313                         if (grd_curcanv->cv_bitmap.bm_h > 240)
 314                                 h += 40;
 315                         else
 316                                 h += 15;
 317                 } else if ( Cockpit_mode.intval == CM_LETTERBOX )
 318                         h += 7;
 319                 if (Cockpit_mode.intval != CM_REAR_VIEW && !Saving_movie_frames)
 320                         gr_printf((grd_curcanv->cv_bitmap.bm_w-w)/2, grd_curcanv->cv_bitmap.bm_h - h - 2, message );
 321         }
 322
 323         render_countdown_gauge();
 324
 325         if ( Player_num > -1 && Viewer->type==OBJ_PLAYER && Viewer->id==Player_num )    {
 326                 int     x = 3;
 327                 int     y = grd_curcanv->cv_bitmap.bm_h;
 328
 329                 gr_set_curfont( GAME_FONT );
 330                 gr_set_fontcolor( gr_getcolor(0, 31, 0), -1 );
 331                 if (Cruise_speed > 0) {
 332                         int line_spacing = GAME_FONT->ft_h + GAME_FONT->ft_h/4;
 333
 334 mprintf((0,"line_spacing=%d ",line_spacing));
 335
 336                         if (Cockpit_mode.intval == CM_FULL_SCREEN) {
 337                                 if (Game_mode & GM_MULTI)
 338                                         y -= line_spacing * 11; //64
 339                                 else
 340                                         y -= line_spacing * 6;  //32
 341                         } else if (Cockpit_mode.intval == CM_STATUS_BAR) {
 342                                 if (Game_mode & GM_MULTI)
 343                                         y -= line_spacing * 8;  //48
 344                                 else
 345                                         y -= line_spacing * 4;  //24
 346                         } else {
 347                                 y = line_spacing * 2;   //12
 348                                 x = 20+2;
 349                         }
 350
 351                         gr_printf( x, y, "%s %2d%%", TXT_CRUISE, f2i(Cruise_speed) );
 352                 }
 353         }
 354
 355         if (r_framerate.intval)
 356                 show_framerate();
 357
 358         if ( Newdemo_state == ND_STATE_PLAYBACK )
 359                 Game_mode = Newdemo_game_mode;
 360
 361         draw_hud();
 362
 363         if ( Newdemo_state == ND_STATE_PLAYBACK )
 364                 Game_mode = GM_NORMAL;
 365
 366         if ( Player_is_dead )
 367                 player_dead_message();
 368 }
 369
 370 extern int gr_bitblt_dest_step_shift;
 371 extern int gr_wait_for_retrace;
 372 extern int gr_bitblt_double;
 373
 374 #if 0
 375 void expand_row(ubyte * dest, ubyte * src, int num_src_pixels );
 376 #pragma aux expand_row parm [edi] [esi] [ecx] modify exact [ecx esi edi eax ebx] = \
 377         "add    esi, ecx"                       \
 378         "dec    esi"                                    \
 379         "add    edi, ecx"                       \
 380         "add    edi, ecx"                       \
 381         "dec    edi"                                    \
 382         "dec    edi"                                    \
 383 "nextpixel:"                                    \
 384         "mov    al,[esi]"                       \
 385         "mov    ah, al"                         \
 386         "dec    esi"                                    \
 387         "mov    [edi], ax"                      \
 388         "dec    edi"                                    \
 389         "dec    edi"                                    \
 390         "dec    ecx"                                    \
 391         "jnz    nextpixel"                      \
 392 "done:"
 393 #else
 394 void expand_row(ubyte * dest, ubyte * src, int num_src_pixels )
 395 {
 396         int i;
 397
 398         for (i = 0; i < num_src_pixels; i++) {
 399                 *dest++ = *src;
 400                 *dest++ = *src++;
 401         }
 402 }
 403 #endif
 404
 405 // doubles the size in x or y of a bitmap in place.
 406 void game_expand_bitmap( grs_bitmap * bmp, uint flags )
 407 {
 408         int i;
 409         ubyte * dptr, * sptr;
 410
 411         switch(flags & 3)       {
 412         case 2: // expand x
 413                 Assert( bmp->bm_rowsize == bmp->bm_w*2 );
 414                 dptr = &bmp->bm_data[(bmp->bm_h-1)*bmp->bm_rowsize];
 415                 for (i=bmp->bm_h-1; i>=0; i-- ) {
 416                         expand_row( dptr, dptr, bmp->bm_w );
 417                         dptr -= bmp->bm_rowsize;
 418                 }
 419                 bmp->bm_w *= 2;
 420                 break;
 421         case 1: // expand y
 422                 dptr = &bmp->bm_data[(2*(bmp->bm_h-1)+1)*bmp->bm_rowsize];
 423                 sptr = &bmp->bm_data[(bmp->bm_h-1)*bmp->bm_rowsize];
 424                 for (i=bmp->bm_h-1; i>=0; i-- ) {
 425                         memcpy( dptr, sptr, bmp->bm_w );
 426                         dptr -= bmp->bm_rowsize;
 427                         memcpy( dptr, sptr, bmp->bm_w );
 428                         dptr -= bmp->bm_rowsize;
 429                         sptr -= bmp->bm_rowsize;
 430                 }
 431                 bmp->bm_h *= 2;
 432                 break;
 433         case 3: // expand x & y
 434                 Assert( bmp->bm_rowsize == bmp->bm_w*2 );
 435                 dptr = &bmp->bm_data[(2*(bmp->bm_h-1)+1)*bmp->bm_rowsize];
 436                 sptr = &bmp->bm_data[(bmp->bm_h-1)*bmp->bm_rowsize];
 437                 for (i=bmp->bm_h-1; i>=0; i-- ) {
 438                         expand_row( dptr, sptr, bmp->bm_w );
 439                         dptr -= bmp->bm_rowsize;
 440                         expand_row( dptr, sptr, bmp->bm_w );
 441                         dptr -= bmp->bm_rowsize;
 442                         sptr -= bmp->bm_rowsize;
 443                 }
 444                 bmp->bm_w *= 2;
 445                 bmp->bm_h *= 2;
 446                 break;
 447         }
 448 }
 449
 450 extern int SW_drawn[2], SW_x[2], SW_y[2], SW_w[2], SW_h[2];
 451
 452
 453 #if 0
 454 //render a frame for the game in stereo
 455 void game_render_frame_stereo()
 456 {
 457         int dw,dh,sw,sh;
 458         fix save_aspect;
 459         fix actual_eye_width;
 460         int actual_eye_offset;
 461         grs_canvas RenderCanvas[2];
 462         int no_draw_hud=0;
 463
 464         save_aspect = grd_curscreen->sc_aspect;
 465         grd_curscreen->sc_aspect *= 2;  //Muck with aspect ratio
 466
 467         sw = dw = VR_render_buffer[0].cv_bitmap.bm_w;
 468         sh = dh = VR_render_buffer[0].cv_bitmap.bm_h;
 469
 470         if (VR_low_res & 1)     {
 471                 sh /= 2;
 472                 grd_curscreen->sc_aspect *= 2;  //Muck with aspect ratio
 473         }
 474         if (VR_low_res & 2)     {
 475                 sw /= 2;
 476                 grd_curscreen->sc_aspect /= 2;  //Muck with aspect ratio
 477         }
 478
 479         gr_init_sub_canvas( &RenderCanvas[0], &VR_render_buffer[0], 0, 0, sw, sh );
 480         gr_init_sub_canvas( &RenderCanvas[1], &VR_render_buffer[1], 0, 0, sw, sh );
 481
 482         // Draw the left eye's view
 483         if (VR_eye_switch)      {
 484                 actual_eye_width = -VR_eye_width;
 485                 actual_eye_offset = -VR_eye_offset;
 486         } else {
 487                 actual_eye_width = VR_eye_width;
 488                 actual_eye_offset = VR_eye_offset;
 489         }
 490
 491         if (Guided_missile[Player_num] &&
 492                 Guided_missile[Player_num]->type == OBJ_WEAPON &&
 493                 Guided_missile[Player_num]->id == GUIDEDMISS_ID &&
 494                 Guided_missile[Player_num]->signature == Guided_missile_sig[Player_num] &&
 495                 Guided_in_big_window.intval)
 496                 actual_eye_offset = 0;
 497
 498         gr_set_current_canvas(&RenderCanvas[0]);
 499
 500         if (Guided_missile[Player_num] &&
 501                 Guided_missile[Player_num]->type == OBJ_WEAPON &&
 502                 Guided_missile[Player_num]->id == GUIDEDMISS_ID &&
 503                 Guided_missile[Player_num]->signature == Guided_missile_sig[Player_num] &&
 504                 Guided_in_big_window.intval)
 505         {
 506                 char *msg = "Guided Missile View";
 507                 object *viewer_save = Viewer;
 508                 int w,h,aw;
 509
 510                 Viewer = Guided_missile[Player_num];
 511
 512                 {
 513                         update_rendered_data(0, Viewer, 0, 0);
 514                         render_frame(0, 0);
 515
 516                         wake_up_rendered_objects(Viewer, 0);
 517                         Viewer = viewer_save;
 518
 519                         gr_set_curfont( GAME_FONT );    //GAME_FONT );
 520                         gr_set_fontcolor(gr_getcolor(27,0,0), -1 );
 521                         gr_get_string_size(msg, &w, &h, &aw );
 522
 523                         gr_printf((grd_curcanv->cv_bitmap.bm_w-w)/2, 3, msg );
 524
 525                         draw_guided_crosshair();
 526                 }
 527
 528                 HUD_render_message_frame();
 529
 530                 no_draw_hud=1;
 531         }
 532         else if (Rear_view)
 533                 render_frame(actual_eye_width, 0);      // switch eye positions for rear view
 534         else
 535                 render_frame(-actual_eye_width, 0);             // Left eye
 536
 537         if ( VR_low_res )
 538                 game_expand_bitmap( &RenderCanvas[0].cv_bitmap, VR_low_res );
 539
 540         {       //render small window into left eye's canvas
 541                 grs_canvas *save=grd_curcanv;
 542                 fix save_aspect2 = grd_curscreen->sc_aspect;
 543                 grd_curscreen->sc_aspect = save_aspect*2;
 544                 SW_drawn[0] = SW_drawn[1] = 0;
 545                 show_extra_views();
 546                 gr_set_current_canvas(save);
 547                 grd_curscreen->sc_aspect = save_aspect2;
 548         }
 549
 550 //NEWVR
 551         if (actual_eye_offset > 0 ) {
 552                 gr_setcolor( gr_getcolor(0,0,0) );
 553                 gr_rect( grd_curcanv->cv_bitmap.bm_w-labs(actual_eye_offset)*2, 0,
 554                grd_curcanv->cv_bitmap.bm_w-1, grd_curcanv->cv_bitmap.bm_h );
 555         } else if (actual_eye_offset < 0 ) {
 556                 gr_setcolor( gr_getcolor(0,0,0) );
 557                 gr_rect( 0, 0, labs(actual_eye_offset)*2-1, grd_curcanv->cv_bitmap.bm_h );
 558         }
 559
 560         if ( VR_show_hud && !no_draw_hud )      {
 561                 grs_canvas tmp;
 562                 if (actual_eye_offset < 0 ) {
 563                         gr_init_sub_canvas( &tmp, grd_curcanv, labs(actual_eye_offset*2), 0, grd_curcanv->cv_bitmap.bm_w-(labs(actual_eye_offset)*2), grd_curcanv->cv_bitmap.bm_h );
 564                 } else {
 565                         gr_init_sub_canvas( &tmp, grd_curcanv, 0, 0, grd_curcanv->cv_bitmap.bm_w-(labs(actual_eye_offset)*2), grd_curcanv->cv_bitmap.bm_h );
 566                 }
 567                 gr_set_current_canvas( &tmp );
 568                 game_draw_hud_stuff();
 569         }
 570
 571
 572         // Draw the right eye's view
 573         gr_set_current_canvas(&RenderCanvas[1]);
 574
 575         if (Guided_missile[Player_num] &&
 576                 Guided_missile[Player_num]->type == OBJ_WEAPON &&
 577                 Guided_missile[Player_num]->id == GUIDEDMISS_ID &&
 578                 Guided_missile[Player_num]->signature == Guided_missile_sig[Player_num] &&
 579                 Guided_in_big_window.intval)
 580                 gr_bitmap(0,0,&RenderCanvas[0].cv_bitmap);
 581         else {
 582                 if (Rear_view)
 583                         render_frame(-actual_eye_width, 0);     // switch eye positions for rear view
 584                 else
 585                         render_frame(actual_eye_width, 0);              // Right eye
 586
 587                 if ( VR_low_res )
 588                         game_expand_bitmap( &RenderCanvas[1].cv_bitmap, VR_low_res );
 589         }
 590
 591
 592         {       //copy small window from left eye
 593                 grs_canvas temp;
 594                 int w;
 595                 for (w=0;w<2;w++) {
 596                         if (SW_drawn[w]) {
 597                                 gr_init_sub_canvas(&temp,&RenderCanvas[0],SW_x[w],SW_y[w],SW_w[w],SW_h[w]);
 598                                 gr_bitmap(SW_x[w]+actual_eye_offset*2,SW_y[w],&temp.cv_bitmap);
 599                         }
 600                 }
 601         }
 602
 603 //NEWVR
 604         if (actual_eye_offset>0) {
 605                 gr_setcolor( gr_getcolor(0,0,0) );
 606                 gr_rect( 0, 0, labs(actual_eye_offset)*2-1, grd_curcanv->cv_bitmap.bm_h );
 607         } else if ( actual_eye_offset < 0 )     {
 608                 gr_setcolor( gr_getcolor(0,0,0) );
 609                 gr_rect( grd_curcanv->cv_bitmap.bm_w-labs(actual_eye_offset)*2, 0,
 610                grd_curcanv->cv_bitmap.bm_w-1, grd_curcanv->cv_bitmap.bm_h );
 611         }
 612
 613 //NEWVR (Add the next 2 lines)
 614         if ( VR_show_hud && !no_draw_hud )      {
 615                 grs_canvas tmp;
 616                 if (actual_eye_offset > 0 ) {
 617                         gr_init_sub_canvas( &tmp, grd_curcanv, labs(actual_eye_offset*2), 0, grd_curcanv->cv_bitmap.bm_w-(labs(actual_eye_offset)*2), grd_curcanv->cv_bitmap.bm_h );
 618                 } else {
 619                         gr_init_sub_canvas( &tmp, grd_curcanv, 0, 0, grd_curcanv->cv_bitmap.bm_w-(labs(actual_eye_offset)*2), grd_curcanv->cv_bitmap.bm_h );
 620                 }
 621                 gr_set_current_canvas( &tmp );
 622                 game_draw_hud_stuff();
 623         }
 624
 625
 626         // Draws white and black registration encoding lines
 627         // and Accounts for pixel-shift adjustment in upcoming bitblts
 628         if (VR_use_reg_code)    {
 629                 int width, height, quarter;
 630
 631                 width = RenderCanvas[0].cv_bitmap.bm_w;
 632                 height = RenderCanvas[0].cv_bitmap.bm_h;
 633                 quarter = width / 4;
 634
 635                 // black out left-hand side of left page
 636
 637                 // draw registration code for left eye
 638                 if ( VR_eye_switch )
 639                         gr_set_current_canvas( &RenderCanvas[1] );
 640                 else
 641                         gr_set_current_canvas( &RenderCanvas[0] );
 642                 gr_setcolor( VR_WHITE_INDEX );
 643                 gr_scanline( 0, quarter, height-1 );
 644                 gr_setcolor( VR_BLACK_INDEX );
 645                 gr_scanline( quarter, width-1, height-1 );
 646
 647                 if ( VR_eye_switch )
 648                         gr_set_current_canvas( &RenderCanvas[0] );
 649                 else
 650                         gr_set_current_canvas( &RenderCanvas[1] );
 651                 gr_setcolor( VR_WHITE_INDEX );
 652                 gr_scanline( 0, quarter*3, height-1 );
 653                 gr_setcolor( VR_BLACK_INDEX );
 654                 gr_scanline( quarter*3, width-1, height-1 );
 655    }
 656
 657                 // Copy left eye, then right eye
 658         if ( VR_screen_flags&VRF_USE_PAGING )
 659                 VR_current_page = !VR_current_page;
 660         else
 661                 VR_current_page = 0;
 662         gr_set_current_canvas( &VR_screen_pages[VR_current_page] );
 663
 664 //NEWVR
 665
 666         if ( VR_eye_offset_changed > 0 )        {
 667                 VR_eye_offset_changed--;
 668                 gr_clear_canvas(0);
 669         }
 670
 671         sw = dw = VR_render_buffer[0].cv_bitmap.bm_w;
 672         sh = dh = VR_render_buffer[0].cv_bitmap.bm_h;
 673
 674         // Copy left eye, then right eye
 675         gr_bitblt_dest_step_shift = 1;          // Skip every other scanline.
 676
 677         if (VR_render_mode == VR_INTERLACED )   {
 678                 if ( actual_eye_offset > 0 )    {
 679                         int xoff = labs(actual_eye_offset);
 680                         gr_bm_ubitblt( dw-xoff, dh, xoff, 0, 0, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 681                         gr_bm_ubitblt( dw-xoff, dh, 0, 1, xoff, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 682                 } else if ( actual_eye_offset < 0 )     {
 683                         int xoff = labs(actual_eye_offset);
 684                         gr_bm_ubitblt( dw-xoff, dh, 0, 0, xoff, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 685                         gr_bm_ubitblt( dw-xoff, dh, xoff, 1, 0, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 686                 } else {
 687                         gr_bm_ubitblt( dw, dh, 0, 0, 0, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 688                         gr_bm_ubitblt( dw, dh, 0, 1, 0, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 689                 }
 690         } else if (VR_render_mode == VR_AREA_DET) {
 691                 // VFX copy
 692                 gr_bm_ubitblt( dw, dh, 0,  VR_current_page, 0, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[0].cv_bitmap);
 693                 gr_bm_ubitblt( dw, dh, dw, VR_current_page, 0, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[0].cv_bitmap);
 694         } else {
 695                 Int3();         // Huh?
 696         }
 697
 698         gr_bitblt_dest_step_shift = 0;
 699
 700         //if ( Game_vfx_flag )
 701         //      vfx_set_page(VR_current_page);          // 0 or 1
 702         //else
 703                 if ( VR_screen_flags&VRF_USE_PAGING )   {
 704                         gr_wait_for_retrace = 0;
 705
 706 //      Added by Samir from John's code
 707                 if ( (VR_screen_pages[VR_current_page].cv_bitmap.bm_type == BM_MODEX) && (Game_3dmax_flag==3) ) {
 708                         int old_x, old_y, new_x;
 709                         old_x = VR_screen_pages[VR_current_page].cv_bitmap.bm_x;
 710                         old_y = VR_screen_pages[VR_current_page].cv_bitmap.bm_y;
 711                         new_x = old_y*VR_screen_pages[VR_current_page].cv_bitmap.bm_rowsize;
 712                         new_x += old_x/4;
 713                         VR_screen_pages[VR_current_page].cv_bitmap.bm_x = new_x;
 714                         VR_screen_pages[VR_current_page].cv_bitmap.bm_y = 0;
 715                         VR_screen_pages[VR_current_page].cv_bitmap.bm_type = BM_SVGA;
 716                         gr_show_canvas( &VR_screen_pages[VR_current_page] );
 717                         VR_screen_pages[VR_current_page].cv_bitmap.bm_type = BM_MODEX;
 718                         VR_screen_pages[VR_current_page].cv_bitmap.bm_x = old_x;
 719                         VR_screen_pages[VR_current_page].cv_bitmap.bm_y = old_y;
 720                 } else {
 721                         gr_show_canvas( &VR_screen_pages[VR_current_page] );
 722                 }
 723                 gr_wait_for_retrace = 1;
 724         }
 725         grd_curscreen->sc_aspect=save_aspect;
 726 }
 727 #endif
 728 ubyte RenderingType=0;
 729 ubyte DemoDoingRight=0,DemoDoingLeft=0;
 730 extern ubyte DemoDoRight,DemoDoLeft;
 731 extern object DemoRightExtra,DemoLeftExtra;
 732
 733 char DemoWBUType[]={0,WBU_MISSILE,WBU_MISSILE,WBU_REAR,WBU_ESCORT,WBU_MARKER,WBU_MISSILE};
 734 char DemoRearCheck[]={0,0,0,1,0,0,0};
 735 char *DemoExtraMessage[]={"PLAYER","GUIDED","MISSILE","REAR","GUIDE-BOT","MARKER","SHIP"};
 736
 737 extern char guidebot_name[];
 738
 739 void show_extra_views()
 740 {
 741         int did_missile_view = 0;
 742         int save_newdemo_state = Newdemo_state;
 743         int w;
 744
 745         if (Newdemo_state == ND_STATE_PLAYBACK) {
 746                 if (DemoDoLeft) {
 747                         DemoDoingLeft = DemoDoLeft;
 748
 749                         if (DemoDoLeft == 3)
 750                                 do_cockpit_window_view(0, ConsoleObject, 1, WBU_REAR, "REAR");
 751                         else
 752                                 do_cockpit_window_view(0, &DemoLeftExtra, DemoRearCheck[DemoDoLeft], DemoWBUType[DemoDoLeft], DemoExtraMessage[DemoDoLeft]);
 753                 } else
 754                         do_cockpit_window_view(0, NULL, 0, WBU_WEAPON, NULL);
 755
 756                 if (DemoDoRight) {
 757                         DemoDoingRight = DemoDoRight;
 758
 759                         if (DemoDoRight == 3)
 760                                 do_cockpit_window_view(1, ConsoleObject, 1, WBU_REAR, "REAR");
 761                         else
 762                                 do_cockpit_window_view(1, &DemoRightExtra, DemoRearCheck[DemoDoRight], DemoWBUType[DemoDoRight], DemoExtraMessage[DemoDoRight]);
 763                 } else
 764                         do_cockpit_window_view(1, NULL, 0, WBU_WEAPON, NULL);
 765
 766                 DemoDoLeft = DemoDoRight = 0;
 767                 DemoDoingLeft = DemoDoingRight = 0;
 768
 769                 return;
 770         }
 771
 772         if (Guided_missile[Player_num] &&
 773                 Guided_missile[Player_num]->type == OBJ_WEAPON &&
 774                 Guided_missile[Player_num]->id == GUIDEDMISS_ID &&
 775                 Guided_missile[Player_num]->signature == Guided_missile_sig[Player_num])
 776         {
 777                 if (Guided_in_big_window.intval) {
 778                         RenderingType = 6 + (1<<4);
 779                         do_cockpit_window_view(1, Viewer, 0, WBU_MISSILE, "SHIP");
 780                 } else {
 781                         RenderingType = 1 + (1<<4);
 782                         do_cockpit_window_view(1, Guided_missile[Player_num], 0, WBU_GUIDED, "GUIDED");
 783             }
 784
 785                 did_missile_view = 1;
 786         } else {
 787
 788                 if (Guided_missile[Player_num]) { // used to be active
 789                         if (!Guided_in_big_window.intval)
 790                                 do_cockpit_window_view(1, NULL, 0, WBU_STATIC, NULL);
 791                         Guided_missile[Player_num] = NULL;
 792                 }
 793
 794                 if (Missile_viewer) { // do missile view
 795                         static int mv_sig = -1;
 796                         if (mv_sig == -1)
 797                                 mv_sig = Missile_viewer->signature;
 798                         if (Missile_view_enabled.intval &&
 799                                 Missile_viewer->type != OBJ_NONE &&
 800                                 Missile_viewer->signature == mv_sig)
 801                         {
 802                                 RenderingType = 2 + (1<<4);
 803                                 do_cockpit_window_view(1, Missile_viewer, 0, WBU_MISSILE, "MISSILE");
 804                                 did_missile_view = 1;
 805                         } else {
 806                                 Missile_viewer = NULL;
 807                                 mv_sig = -1;
 808                                 RenderingType = 255;
 809                                 do_cockpit_window_view(1, NULL, 0, WBU_STATIC, NULL);
 810                         }
 811                 }
 812         }
 813
 814         for (w = 0; w < 2; w++) {
 815
 816                 if (w == 1 && did_missile_view)
 817                         continue; // if showing missile view in right window, can't show anything else
 818
 819                 // show special views if selected
 820                 switch (Cockpit_3d_view[w].intval) {
 821                         case CV_NONE:
 822                                 RenderingType = 255;
 823                                 do_cockpit_window_view(w, NULL, 0, WBU_WEAPON, NULL);
 824                                 break;
 825                         case CV_REAR:
 826                                 if (Rear_view) { // if big window is rear view, show front here
 827                                         RenderingType = 3 + (w<<4);
 828                                         do_cockpit_window_view(w, ConsoleObject, 0, WBU_REAR, "FRONT");
 829                                 } else { // show normal rear view
 830                                         RenderingType = 3 + (w<<4);
 831                                         do_cockpit_window_view(w, ConsoleObject, 1, WBU_REAR, "REAR");
 832                                 }
 833                                 break;
 834                         case CV_ESCORT: {
 835                                 object *buddy;
 836                                 buddy = find_escort();
 837                                 if (buddy == NULL) {
 838                                         do_cockpit_window_view(w, NULL, 0, WBU_WEAPON, NULL);
 839                                         cvar_setint(&Cockpit_3d_view[w], CV_NONE);
 840                                 } else {
 841                                         RenderingType = 4 + (w<<4);
 842                                         do_cockpit_window_view(w, buddy, 0, WBU_ESCORT, guidebot_name);
 843                                 }
 844                                 break;
 845                         }
 846 #ifdef NETWORK
 847                         case CV_COOP: {
 848                                 int player = Coop_view_player[w];
 849
 850                                 RenderingType = 255; // don't handle coop stuff
 851
 852                                 if (player != -1 &&
 853                                         Players[player].connected &&
 854                                         ((Game_mode & GM_MULTI_COOP) || ((Game_mode & GM_TEAM) && (get_team(player) == get_team(Player_num)))))
 855                                         do_cockpit_window_view(w, &Objects[Players[Coop_view_player[w]].objnum], 0, WBU_COOP, Players[Coop_view_player[w]].callsign);
 856                                 else {
 857                                         do_cockpit_window_view(w, NULL, 0, WBU_WEAPON, NULL);
 858                                         cvar_setint(&Cockpit_3d_view[w], CV_NONE);
 859                                 }
 860                                 break;
 861                         }
 862 #endif
 863                         case CV_MARKER: {
 864                                 char label[10];
 865
 866                                 RenderingType = 5 + (w<<4);
 867                                 if (Marker_viewer_num[w] == -1 || MarkerObject[Marker_viewer_num[w]] == -1) {
 868                                         cvar_setint(&Cockpit_3d_view[w], CV_NONE);
 869                                         break;
 870                                 }
 871                                 sprintf(label, "Marker %d", Marker_viewer_num[w] + 1);
 872                                 do_cockpit_window_view(w, &Objects[MarkerObject[Marker_viewer_num[w]]], 0, WBU_MARKER, label);
 873                                 break;
 874                         }
 875                         default:
 876                                 Int3(); // invalid window type
 877                 }
 878         }
 879         RenderingType = 0;
 880         Newdemo_state = save_newdemo_state;
 881 }
 882
 883 int BigWindowSwitch = 0;
 884 extern int force_cockpit_redraw;
 885
 886 void draw_guided_crosshair(void);
 887 void update_cockpits(int force_redraw);
 888
 889
 890 //render a frame for the game
 891 void game_render_frame_mono(void)
 892 {
 893         grs_canvas Screen_3d_window;
 894         int no_draw_hud=0;
 895
 896
 897         gr_init_sub_canvas( &Screen_3d_window, &VR_screen_pages[0],
 898                 VR_render_sub_buffer[0].cv_bitmap.bm_x,
 899                 VR_render_sub_buffer[0].cv_bitmap.bm_y,
 900                 VR_render_sub_buffer[0].cv_bitmap.bm_w,
 901                 VR_render_sub_buffer[0].cv_bitmap.bm_h);
 902
 903         if ( Game_double_buffer )
 904                 gr_set_current_canvas(&VR_render_sub_buffer[0]);
 905         else
 906                 gr_set_current_canvas(&Screen_3d_window);
 907
 908         if (Guided_missile[Player_num] &&
 909                 Guided_missile[Player_num]->type == OBJ_WEAPON &&
 910                 Guided_missile[Player_num]->id == GUIDEDMISS_ID &&
 911                 Guided_missile[Player_num]->signature == Guided_missile_sig[Player_num] &&
 912                 Guided_in_big_window.intval)
 913         {
 914                 char *msg = "Guided Missile View";
 915                 object *viewer_save = Viewer;
 916                 int w,h,aw;
 917
 918       if (Cockpit_mode.intval == CM_FULL_COCKPIT)
 919                         {
 920                          BigWindowSwitch=1;
 921                          force_cockpit_redraw=1;
 922                          cvar_setint(&Cockpit_mode, CM_STATUS_BAR);
 923                          return;
 924                    }
 925
 926                 Viewer = Guided_missile[Player_num];
 927
 928                 {
 929                         update_rendered_data(0, Viewer, 0, 0);
 930                         render_frame(0, 0);
 931
 932                         wake_up_rendered_objects(Viewer, 0);
 933                         Viewer = viewer_save;
 934
 935                         gr_set_curfont( GAME_FONT );    //GAME_FONT );
 936                         gr_set_fontcolor(gr_getcolor(27,0,0), -1 );
 937                         gr_get_string_size(msg, &w, &h, &aw );
 938
 939                         gr_printf((grd_curcanv->cv_bitmap.bm_w-w)/2, 3, msg );
 940
 941                         draw_guided_crosshair();
 942                 }
 943
 944                 HUD_render_message_frame();
 945
 946                 no_draw_hud=1;
 947         }
 948         else
 949          {
 950                 if (BigWindowSwitch)
 951                  {
 952                    force_cockpit_redraw=1;
 953                         cvar_setint(&Cockpit_mode, CM_FULL_COCKPIT);
 954                    BigWindowSwitch=0;
 955                         return;
 956                  }
 957                 update_rendered_data(0, Viewer, Rear_view, 0);
 958                 render_frame(0, 0);
 959          }
 960
 961         if ( Game_double_buffer )
 962                 gr_set_current_canvas(&VR_render_sub_buffer[0]);
 963         else
 964                 gr_set_current_canvas(&Screen_3d_window);
 965
 966         if (!no_draw_hud)
 967                 game_draw_hud_stuff();
 968
 969         if (Game_paused) {              //render pause message over off-screen 3d (to minimize flicker)
 970                 extern char *Pause_msg;
 971                 ubyte *save_data = VR_screen_pages[VR_current_page].cv_bitmap.bm_data;
 972
 973                 VR_screen_pages[VR_current_page].cv_bitmap.bm_data=VR_render_buffer[VR_current_page].cv_bitmap.bm_data;
 974                 show_boxed_message(Pause_msg);
 975                 VR_screen_pages[VR_current_page].cv_bitmap.bm_data=save_data;
 976         }
 977
 978         if ( Game_double_buffer ) {             //copy to visible screen
 979 //              if ( !Game_cockpit_copy_code )  {
 980                         if ( VR_screen_flags&VRF_USE_PAGING )   {
 981                                 VR_current_page = !VR_current_page;
 982                                 gr_set_current_canvas( &VR_screen_pages[VR_current_page] );
 983                                 gr_bm_ubitblt( VR_render_sub_buffer[0].cv_w, VR_render_sub_buffer[0].cv_h, VR_render_sub_buffer[0].cv_bitmap.bm_x, VR_render_sub_buffer[0].cv_bitmap.bm_y, 0, 0, &VR_render_sub_buffer[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap );
 984                                 gr_wait_for_retrace = 0;
 985                                 gr_show_canvas( &VR_screen_pages[VR_current_page] );
 986                                 gr_wait_for_retrace = 1;
 987                         } else {
 988                                 gr_bm_ubitblt( VR_render_sub_buffer[0].cv_w,
 989                                                 VR_render_sub_buffer[0].cv_h,
 990                                                 VR_render_sub_buffer[0].cv_bitmap.bm_x,
 991                                                 VR_render_sub_buffer[0].cv_bitmap.bm_y,
 992                                                 0, 0,
 993                                                 &VR_render_sub_buffer[0].cv_bitmap,
 994                                                 &VR_screen_pages[0].cv_bitmap );
 995                         }
 996 //              }
 997 #if 0
 998                 else    {
 999                         #ifdef __MSDOS__
1000                                 gr_ibitblt( &VR_render_buffer[0].cv_bitmap, &VR_screen_pages[0].cv_bitmap, Game_cockpit_copy_code );
1001                         #else //def MACINTOSH
1002                                 gr_ibitblt( &VR_render_sub_buffer[0].cv_bitmap, &VR_screen_pages[0].cv_bitmap );
1003                         #endif
1004                 }
1005 #endif
1006         }
1007
1008         update_cockpits(0);
1009
1010         show_extra_views();             //missile view, buddy bot, etc.
1011
1012         if (Cockpit_mode.intval == CM_FULL_COCKPIT || Cockpit_mode.intval == CM_STATUS_BAR) {
1013
1014                 if ( Newdemo_state == ND_STATE_PLAYBACK )
1015                         Game_mode = Newdemo_game_mode;
1016
1017                 render_gauges();
1018
1019                 if ( Newdemo_state == ND_STATE_PLAYBACK )
1020                         Game_mode = GM_NORMAL;
1021         }
1022
1023         CON_DrawConsole();
1024
1025         vid_update();
1026 #ifdef OGL
1027         ogl_swap_buffers();
1028 #endif
1029 }
1030
1031 void toggle_cockpit()
1032 {
1033         int new_mode;
1034
1035         switch (Cockpit_mode.intval) {
1036
1037                 case CM_FULL_COCKPIT: {
1038                         int max_h = grd_curscreen->sc_h - GameBitmaps[cockpit_bitmap[CM_STATUS_BAR + (SM_HIRES?(Num_cockpits/2):0)].index].bm_h;
1039                         if (Game_window_h.intval > max_h) //too big for statusbar
1040                                 new_mode = CM_FULL_SCREEN;
1041                         else
1042                                 new_mode = CM_STATUS_BAR;
1043                         break;
1044                 }
1045
1046                 case CM_STATUS_BAR:
1047                 case CM_FULL_SCREEN:
1048                         if (Rear_view)
1049                                 return;
1050                         new_mode = CM_FULL_COCKPIT;
1051                         break;
1052
1053                 case CM_REAR_VIEW:
1054                 case CM_LETTERBOX:
1055                 default:
1056                         return;                 //do nothing
1057                         break;
1058
1059         }
1060
1061         select_cockpit(new_mode);
1062         HUD_clear_messages();
1063         WriteConfigFile();
1064 }
1065
1066 #ifndef MACINTOSH
1067 #define WINDOW_W_DELTA  ((max_window_w / 16)&~1)        //24    //20
1068 #define WINDOW_H_DELTA  ((max_window_h / 16)&~1)        //12    //10
1069
1070 #define WINDOW_MIN_W            ((max_window_w * 10) / 22)      //160
1071 #define WINDOW_MIN_H            ((max_window_h * 10) / 22)
1072 #else
1073 //#define WINDOW_W_DELTA        32
1074 //#define WINDOW_H_DELTA        16
1075
1076 #define WINDOW_W_DELTA  ((max_window_w / 16) & ~15)             // double word aligned
1077 #define WINDOW_H_DELTA  ((max_window_h / 16) & ~15)             // double word aligned
1078
1079 #define WINDOW_MIN_W            (max_window_w-(WINDOW_W_DELTA*11))
1080 #define WINDOW_MIN_H            (max_window_h-(WINDOW_H_DELTA*11))
1081 #endif
1082
1083 void grow_window()
1084 {
1085         if (Cockpit_mode.intval == CM_FULL_COCKPIT) {
1086                 cvar_setint(&Game_window_h, max_window_h);
1087                 cvar_setint(&Game_window_w, max_window_w);
1088                 toggle_cockpit();
1089                 HUD_init_message("Press F3 to return to Cockpit mode");
1090                 return;
1091         }
1092
1093         if (Cockpit_mode.intval != CM_STATUS_BAR && (VR_screen_flags & VRF_ALLOW_COCKPIT))
1094                 return;
1095
1096         if (Game_window_h.intval >= max_window_h || Game_window_w.intval >= max_window_w) {
1097                 //cvar_setint(&Game_window_w, max_window_w);
1098                 //cvar_setint(&Game_window_h, max_window_h);
1099                 select_cockpit(CM_FULL_SCREEN);
1100         } else {
1101                 //int x,y;
1102
1103                 cvar_setint(&Game_window_w, Game_window_w.intval + WINDOW_W_DELTA);
1104                 cvar_setint(&Game_window_h, Game_window_h.intval + WINDOW_H_DELTA);
1105
1106                 if (Game_window_h.intval > max_window_h)
1107                         cvar_setint(&Game_window_h, max_window_h);
1108
1109                 if (Game_window_w.intval > max_window_w)
1110                         cvar_setint(&Game_window_w, max_window_w);
1111
1112                 Game_window_x = (max_window_w - Game_window_w.intval) / 2;
1113                 Game_window_y = (max_window_h - Game_window_h.intval) / 2;
1114
1115                 game_init_render_sub_buffers( Game_window_x, Game_window_y, Game_window_w.intval, Game_window_h.intval );
1116         }
1117
1118         HUD_clear_messages();   //      @mk, 11/11/94
1119
1120         WriteConfigFile();
1121 }
1122
1123 // grs_bitmap background_bitmap;        already declared in line 434 (samir 4/10/94)
1124
1125 extern grs_bitmap background_bitmap;
1126
1127 void copy_background_rect(int left,int top,int right,int bot)
1128 {
1129         grs_bitmap *bm = &background_bitmap;
1130         int x,y;
1131         int tile_left,tile_right,tile_top,tile_bot;
1132         int ofs_x,ofs_y;
1133         int dest_x,dest_y;
1134
1135         if (right < left || bot < top)
1136                 return;
1137
1138         tile_left = left / bm->bm_w;
1139         tile_right = right / bm->bm_w;
1140         tile_top = top / bm->bm_h;
1141         tile_bot = bot / bm->bm_h;
1142
1143         ofs_y = top % bm->bm_h;
1144         dest_y = top;
1145
1146         for (y=tile_top;y<=tile_bot;y++) {
1147                 int w,h;
1148
1149                 ofs_x = left % bm->bm_w;
1150                 dest_x = left;
1151
1152                 //h = (bot < dest_y+bm->bm_h)?(bot-dest_y+1):(bm->bm_h-ofs_y);
1153                 h = min(bot-dest_y+1,bm->bm_h-ofs_y);
1154
1155                 for (x=tile_left;x<=tile_right;x++) {
1156
1157                         //w = (right < dest_x+bm->bm_w)?(right-dest_x+1):(bm->bm_w-ofs_x);
1158                         w = min(right-dest_x+1,bm->bm_w-ofs_x);
1159
1160                         gr_bm_ubitblt(w,h,dest_x,dest_y,ofs_x,ofs_y,
1161                                         &background_bitmap,&grd_curcanv->cv_bitmap);
1162
1163                         ofs_x = 0;
1164                         dest_x += w;
1165                 }
1166
1167                 ofs_y = 0;
1168                 dest_y += h;
1169         }
1170 }
1171
1172 //fills int the background surrounding the 3d window
1173 void fill_background()
1174 {
1175         int x,y,w,h,dx,dy;
1176
1177         x = Game_window_x;
1178         y = Game_window_y;
1179         w = Game_window_w.intval;
1180         h = Game_window_h.intval;
1181
1182         dx = x;
1183         dy = y;
1184
1185         gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1186         copy_background_rect(x-dx,y-dy,x-1,y+h+dy-1);
1187         copy_background_rect(x+w,y-dy,grd_curcanv->cv_w-1,y+h+dy-1);
1188         copy_background_rect(x,y-dy,x+w-1,y-1);
1189         copy_background_rect(x,y+h,x+w-1,y+h+dy-1);
1190
1191         if (VR_screen_flags & VRF_USE_PAGING) {
1192                 gr_set_current_canvas(&VR_screen_pages[!VR_current_page]);
1193                 copy_background_rect(x-dx,y-dy,x-1,y+h+dy-1);
1194                 copy_background_rect(x+w,y-dy,x+w+dx-1,y+h+dy-1);
1195                 copy_background_rect(x,y-dy,x+w-1,y-1);
1196                 copy_background_rect(x,y+h,x+w-1,y+h+dy-1);
1197         }
1198 }
1199
1200 void shrink_window()
1201 {
1202         mprintf((0,"%d ",FrameCount));
1203
1204 //  mprintf((0, "W=%d H=%d\n", Game_window_w.intval, Game_window_h.intval));
1205
1206         if (Cockpit_mode.intval == CM_FULL_COCKPIT && (VR_screen_flags & VRF_ALLOW_COCKPIT)) {
1207                 cvar_setint(&Game_window_h, max_window_h);
1208                 cvar_setint(&Game_window_w, max_window_w);
1209                 //!!toggle_cockpit();
1210                 select_cockpit(CM_STATUS_BAR);
1211 //              shrink_window();
1212 //              shrink_window();
1213                 HUD_init_message("Press F3 to return to Cockpit mode");
1214                 WriteConfigFile();
1215                 return;
1216         }
1217
1218         if (Cockpit_mode.intval == CM_FULL_SCREEN && (VR_screen_flags & VRF_ALLOW_COCKPIT))
1219         {
1220                 //cvar_setint(&Game_window_w, max_window_w);
1221                 //cvar_setint(&Game_window_h, max_window_h);
1222                 select_cockpit(CM_STATUS_BAR);
1223                 WriteConfigFile();
1224                 return;
1225         }
1226
1227         if (Cockpit_mode.intval != CM_STATUS_BAR && (VR_screen_flags & VRF_ALLOW_COCKPIT))
1228                 return;
1229
1230    mprintf((0, "Cockpit mode=%d\n", Cockpit_mode.intval));
1231
1232         if (Game_window_w.intval > WINDOW_MIN_W) {
1233                 //int x,y;
1234
1235                 cvar_setint(&Game_window_w, Game_window_w.intval - WINDOW_W_DELTA);
1236                 cvar_setint(&Game_window_h, Game_window_h.intval - WINDOW_H_DELTA);
1237
1238                 mprintf((0, "NewW=%d NewH=%d VW=%d maxH=%d\n", Game_window_w.intval, Game_window_h.intval, max_window_w, max_window_h));
1239
1240                 if ( Game_window_w.intval < WINDOW_MIN_W )
1241                         cvar_setint(&Game_window_w, WINDOW_MIN_W);
1242
1243                 if ( Game_window_h.intval < WINDOW_MIN_H )
1244                         cvar_setint(&Game_window_h, WINDOW_MIN_H);
1245
1246                 Game_window_x = (max_window_w - Game_window_w.intval) / 2;
1247                 Game_window_y = (max_window_h - Game_window_h.intval) / 2;
1248
1249                 fill_background();
1250
1251                 game_init_render_sub_buffers( Game_window_x, Game_window_y, Game_window_w.intval, Game_window_h.intval );
1252                 HUD_clear_messages();
1253                 WriteConfigFile();
1254         }
1255
1256 }
1257
1258 int last_drawn_cockpit[2] = { -1, -1 };
1259 extern void ogl_loadbmtexture(grs_bitmap *bm);
1260
1261 // This actually renders the new cockpit onto the screen.
1262 void update_cockpits(int force_redraw)
1263 {
1264         //int x, y, w, h;
1265
1266         //Redraw the on-screen cockpit bitmaps
1267         if (VR_render_mode != VR_NONE ) return;
1268
1269         switch( Cockpit_mode.intval ) {
1270         case CM_FULL_COCKPIT:
1271         case CM_REAR_VIEW:
1272                 gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1273                 PIGGY_PAGE_IN(cockpit_bitmap[Cockpit_mode.intval + (SM_HIRES?(Num_cockpits/2):0)]);
1274                 gr_ubitmapm(0, 0, &GameBitmaps[cockpit_bitmap[Cockpit_mode.intval + (SM_HIRES?(Num_cockpits/2):0)].index]);
1275                 break;
1276
1277         case CM_FULL_SCREEN:
1278                 Game_window_x = (max_window_w - Game_window_w.intval) / 2;
1279                 Game_window_y = (max_window_h - Game_window_h.intval) / 2;
1280                 fill_background();
1281                 break;
1282
1283         case CM_STATUS_BAR:
1284
1285                 gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1286
1287                 PIGGY_PAGE_IN(cockpit_bitmap[Cockpit_mode.intval + (SM_HIRES?(Num_cockpits/2):0)]);
1288                 gr_ubitmapm(0, max_window_h, &GameBitmaps[cockpit_bitmap[Cockpit_mode.intval + (SM_HIRES?(Num_cockpits/2):0)].index]);
1289
1290                 Game_window_x = (max_window_w - Game_window_w.intval) / 2;
1291                 Game_window_y = (max_window_h - Game_window_h.intval) / 2;
1292                 fill_background();
1293                 break;
1294
1295         case CM_LETTERBOX:
1296                 gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1297
1298                 // Clear the top and bottom of the screen
1299                 gr_setcolor(BM_XRGB(0,0,0));
1300                 gr_rect(0,
1301                         VR_render_sub_buffer[VR_current_page].cv_bitmap.bm_y + VR_render_sub_buffer[VR_current_page].cv_bitmap.bm_h,
1302                         GWIDTH-1,GHEIGHT-1);
1303                 gr_rect(0,0,GWIDTH-1,VR_render_sub_buffer[VR_current_page].cv_bitmap.bm_y);
1304
1305                 // In a modex mode, clear the other buffer.
1306                 if (grd_curcanv->cv_bitmap.bm_type == BM_MODEX) {
1307                         gr_set_current_canvas(&VR_screen_pages[VR_current_page^1]);
1308                         gr_clear_canvas( BM_XRGB(0,0,0) );
1309                         gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1310                 }
1311                 break;
1312
1313         }
1314
1315         gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1316
1317         if (Cockpit_mode.intval != last_drawn_cockpit[VR_current_page] || force_redraw )
1318                 last_drawn_cockpit[VR_current_page] = Cockpit_mode.intval;
1319         else
1320                 return;
1321
1322         if (Cockpit_mode.intval == CM_FULL_COCKPIT || Cockpit_mode.intval == CM_STATUS_BAR)
1323                 init_gauges();
1324
1325 }
1326
1327
1328 void game_render_frame()
1329 {
1330         set_screen_mode( SCREEN_GAME );
1331
1332 //      update_cockpits(0);
1333
1334         play_homing_warning();
1335
1336         if (VR_render_mode == VR_NONE )
1337                 game_render_frame_mono();
1338 /*      else
1339                 game_render_frame_stereo();
1340                 */
1341
1342         // Make sure palette is faded in
1343         stop_time();
1344         gr_palette_fade_in( gr_palette, 32, 0 );
1345         start_time();
1346
1347         FrameCount++;
1348 }
1349
1350 extern int Color_0_31_0;
1351
1352 //draw a crosshair for the guided missile
1353 void draw_guided_crosshair(void)
1354 {
1355         int x,y,w,h;
1356
1357         gr_setcolor(Color_0_31_0);
1358
1359         w = grd_curcanv->cv_w>>5;
1360         if (w < 5)
1361                 w = 5;
1362
1363         h = i2f(w) / grd_curscreen->sc_aspect;
1364
1365         x = grd_curcanv->cv_w / 2;
1366         y = grd_curcanv->cv_h / 2;
1367
1368         gr_scanline(x-w/2,x+w/2,y);
1369         gr_uline(i2f(x),i2f(y-h/2),i2f(x),i2f(y+h/2));
1370
1371 }
1372
1373 typedef struct bkg {
1374         short x, y, w, h;                       // The location of the menu.
1375         grs_bitmap * bmp;                       // The background under the menu.
1376 } bkg;
1377
1378 bkg bg = {0,0,0,0,NULL};
1379
1380 #define BOX_BORDER (MenuHires?60:30)
1381
1382 //show a message in a nice little box
1383 void show_boxed_message(char *msg)
1384 {
1385         int w,h,aw;
1386         int x,y;
1387
1388         gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1389         gr_set_curfont( MEDIUM1_FONT );
1390
1391         gr_get_string_size(msg,&w,&h,&aw);
1392
1393         x = (grd_curscreen->sc_w-w)/2;
1394         y = (grd_curscreen->sc_h-h)/2;
1395
1396         if (bg.bmp) {
1397                 gr_free_bitmap(bg.bmp);
1398                 bg.bmp = NULL;
1399         }
1400
1401         // Save the background of the display
1402         bg.x=x; bg.y=y; bg.w=w; bg.h=h;
1403
1404         bg.bmp = gr_create_bitmap( w+BOX_BORDER, h+BOX_BORDER );
1405
1406         gr_bm_ubitblt(w+BOX_BORDER, h+BOX_BORDER, 0, 0, x-BOX_BORDER/2, y-BOX_BORDER/2, &(grd_curcanv->cv_bitmap), bg.bmp );
1407
1408         nm_draw_background(x-BOX_BORDER/2,y-BOX_BORDER/2,x+w+BOX_BORDER/2-1,y+h+BOX_BORDER/2-1);
1409
1410         gr_set_fontcolor( gr_getcolor(31, 31, 31), -1 );
1411
1412         gr_ustring( 0x8000, y, msg );
1413 }
1414
1415 void clear_boxed_message()
1416 {
1417
1418         if (bg.bmp) {
1419
1420                 gr_bitmap(bg.x-BOX_BORDER/2, bg.y-BOX_BORDER/2, bg.bmp);
1421
1422                 gr_free_bitmap(bg.bmp);
1423                 bg.bmp = NULL;
1424         }
1425 }