main/gamerend.c

   1 /* $Id: gamerend.c,v 1.17 2005-07-30 07:46:03 chris Exp $ */
   2 /*
   3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
  10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 /*
  16  *
  17  * Stuff for rendering the HUD
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include <conf.h>
  23 #endif
  24
  25 #ifdef RCS
  26 static char rcsid[] = "$Id: gamerend.c,v 1.17 2005-07-30 07:46:03 chris Exp $";
  27 #endif
  28
  29 #ifdef WINDOWS
  30 #include "desw.h"
  31 #include "winapp.h"
  32 #endif
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37
  38 #include "pstypes.h"
  39 #include "console.h"
  40 #include "inferno.h"
  41 #include "error.h"
  42 #include "mono.h"
  43 #include "gr.h"
  44 #include "palette.h"
  45 #include "ibitblt.h"
  46 #include "bm.h"
  47 #include "player.h"
  48 #include "render.h"
  49 #include "menu.h"
  50 #include "newmenu.h"
  51 #include "screens.h"
  52 #include "fix.h"
  53 #include "robot.h"
  54 #include "game.h"
  55 #include "gauges.h"
  56 #include "gamefont.h"
  57 #include "newdemo.h"
  58 #include "text.h"
  59 #include "multi.h"
  60 #include "endlevel.h"
  61 #include "cntrlcen.h"
  62 #include "powerup.h"
  63 #include "laser.h"
  64 #include "playsave.h"
  65 #include "automap.h"
  66 #include "mission.h"
  67 #include "gameseq.h"
  68
  69 #ifdef OGL
  70 #include "ogl_init.h"
  71 #endif
  72
  73 extern fix Cruise_speed;
  74 extern int LinearSVGABuffer;
  75 extern int Current_display_mode;
  76 extern cvar_t r_framerate;
  77
  78
  79 #ifdef WINDOWS
  80 cockpit_span_line win_cockpit_mask[480];
  81 void win_do_emul_ibitblt(dd_grs_canvas *csrc, dd_grs_canvas *cdest);
  82 #endif
  83
  84
  85 #ifndef NDEBUG
  86 extern int Debug_pause;                         //John's debugging pause system
  87 #endif
  88
  89 #ifndef RELEASE
  90 extern int Saving_movie_frames;
  91 #else
  92 #define Saving_movie_frames 0
  93 #endif
  94
  95 // Returns the length of the first 'n' characters of a string.
  96 int string_width( char * s, int n )
  97 {
  98         int w,h,aw;
  99         char p;
 100         p = s[n];
 101         s[n] = 0;
 102         gr_get_string_size( s, &w, &h, &aw );
 103         s[n] = p;
 104         return w;
 105 }
 106
 107 // Draw string 's' centered on a canvas... if wider than
 108 // canvas, then wrap it.
 109 void draw_centered_text( int y, char * s )
 110 {
 111         int i, l;
 112         char p;
 113
 114         l = strlen(s);
 115
 116         if ( string_width( s, l ) < grd_curcanv->cv_bitmap.bm_w )       {
 117                 gr_string( 0x8000, y, s );
 118                 return;
 119         }
 120
 121         for (i=0; i<l; i++ )    {
 122                 if ( string_width(s,i) > (grd_curcanv->cv_bitmap.bm_w - 16) )   {
 123                         p = s[i];
 124                         s[i] = 0;
 125                         gr_string( 0x8000, y, s );
 126                         s[i] = p;
 127                         gr_string( 0x8000, y+grd_curcanv->cv_font->ft_h+1, &s[i] );
 128                         return;
 129                 }
 130         }
 131 }
 132
 133 extern ubyte DefiningMarkerMessage;
 134 extern char Marker_input[];
 135
 136 #define MAX_MARKER_MESSAGE_LEN 120
 137 void game_draw_marker_message()
 138 {
 139         char temp_string[MAX_MARKER_MESSAGE_LEN+25];
 140
 141         if ( DefiningMarkerMessage)
 142           {
 143                 gr_set_curfont( GAME_FONT );    //GAME_FONT
 144                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 145                 sprintf( temp_string, "Marker: %s_", Marker_input );
 146                 draw_centered_text(grd_curcanv->cv_bitmap.bm_h/2-16, temp_string );
 147           }
 148
 149 }
 150
 151 #ifdef NETWORK
 152 void game_draw_multi_message()
 153 {
 154         char temp_string[MAX_MULTI_MESSAGE_LEN+25];
 155
 156         if ( (Game_mode&GM_MULTI) && (multi_sending_message))   {
 157                 gr_set_curfont( GAME_FONT );    //GAME_FONT );
 158                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 159                 sprintf( temp_string, "%s: %s_", TXT_MESSAGE, Network_message );
 160                 draw_centered_text(grd_curcanv->cv_bitmap.bm_h/2-16, temp_string );
 161
 162         }
 163
 164         if ( (Game_mode&GM_MULTI) && (multi_defining_message))  {
 165                 gr_set_curfont( GAME_FONT );    //GAME_FONT );
 166                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 167                 sprintf( temp_string, "%s #%d: %s_", TXT_MACRO, multi_defining_message, Network_message );
 168                 draw_centered_text(grd_curcanv->cv_bitmap.bm_h/2-16, temp_string );
 169         }
 170 }
 171 #endif
 172
 173 //these should be in gr.h
 174 #define cv_w  cv_bitmap.bm_w
 175 #define cv_h  cv_bitmap.bm_h
 176
 177 fix frame_time_list[8] = {0,0,0,0,0,0,0,0};
 178 fix frame_time_total=0;
 179 int frame_time_cntr=0;
 180
 181 void ftoa(char *string, fix f)
 182 {
 183         int decimal, fractional;
 184
 185         decimal = f2i(f);
 186         fractional = ((f & 0xffff)*100)/65536;
 187         if (fractional < 0 )
 188                 fractional *= -1;
 189         if (fractional > 99 ) fractional = 99;
 190         sprintf( string, "%d.%02d", decimal, fractional );
 191 }
 192
 193 void show_framerate()
 194 {
 195         char temp[50];
 196    //static int q;
 197
 198         fix rate;
 199         int x = 8, y = 5; // position measured from lower right corner
 200
 201         frame_time_total += RealFrameTime - frame_time_list[frame_time_cntr];
 202         frame_time_list[frame_time_cntr] = RealFrameTime;
 203         frame_time_cntr = (frame_time_cntr+1)%8;
 204
 205         rate = fixdiv(f1_0*8,frame_time_total);
 206
 207         gr_set_curfont( GAME_FONT );
 208         gr_set_fontcolor(gr_getcolor(0,31,0),-1 );
 209
 210         ftoa( temp, rate );     // Convert fixed to string
 211         if (Game_mode & GM_MULTI)
 212                 y = 7;
 213         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 );
 214 //   if ( !( q++ % 30 ) )
 215 //      mprintf( (0,"fps: %s\n", temp ) );
 216 }
 217
 218 #ifndef NDEBUG
 219
 220 fix Show_view_text_timer = -1;
 221
 222 void draw_window_label()
 223 {
 224         if ( Show_view_text_timer > 0 )
 225         {
 226                 char *viewer_name,*control_name;
 227                 char    *viewer_id;
 228                 Show_view_text_timer -= FrameTime;
 229                 gr_set_curfont( GAME_FONT );
 230
 231                 viewer_id = "";
 232                 switch( Viewer->type )
 233                 {
 234                         case OBJ_FIREBALL:      viewer_name = "Fireball"; break;
 235                         case OBJ_ROBOT:         viewer_name = "Robot";
 236 #ifdef EDITOR
 237                                                                                 viewer_id = Robot_names[Viewer->id];
 238 #endif
 239                                 break;
 240                         case OBJ_HOSTAGE:               viewer_name = "Hostage"; break;
 241                         case OBJ_PLAYER:                viewer_name = "Player"; break;
 242                         case OBJ_WEAPON:                viewer_name = "Weapon"; break;
 243                         case OBJ_CAMERA:                viewer_name = "Camera"; break;
 244                         case OBJ_POWERUP:               viewer_name = "Powerup";
 245 #ifdef EDITOR
 246                                                                                 viewer_id = Powerup_names[Viewer->id];
 247 #endif
 248                                 break;
 249                         case OBJ_DEBRIS:                viewer_name = "Debris"; break;
 250                         case OBJ_CNTRLCEN:      viewer_name = "Reactor"; break;
 251                         default:                                        viewer_name = "Unknown"; break;
 252                 }
 253
 254                 switch ( Viewer->control_type) {
 255                         case CT_NONE:                   control_name = "Stopped"; break;
 256                         case CT_AI:                             control_name = "AI"; break;
 257                         case CT_FLYING:         control_name = "Flying"; break;
 258                         case CT_SLEW:                   control_name = "Slew"; break;
 259                         case CT_FLYTHROUGH:     control_name = "Flythrough"; break;
 260                         case CT_MORPH:                  control_name = "Morphing"; break;
 261                         default:                                        control_name = "Unknown"; break;
 262                 }
 263
 264                 gr_set_fontcolor( gr_getcolor(31, 0, 0), -1 );
 265                 gr_printf( 0x8000, 45, "%i: %s [%s] View - %s",Viewer-Objects, viewer_name, viewer_id, control_name );
 266
 267         }
 268 }
 269 #endif
 270
 271 extern int Game_window_x;
 272 extern int Game_window_y;
 273 extern int Game_window_w;
 274 extern int Game_window_h;
 275 extern int max_window_w;
 276 extern int max_window_h;
 277
 278 void render_countdown_gauge()
 279 {
 280         if (!Endlevel_sequence && Control_center_destroyed  && (Countdown_seconds_left>-1)) { // && (Countdown_seconds_left<127))       {
 281                 int     y;
 282
 283                 if (!is_D2_OEM && !is_MAC_SHARE && !is_SHAREWARE)    // no countdown on registered only
 284                 {
 285                         //      On last level, we don't want a countdown.
 286                         if (PLAYING_BUILTIN_MISSION && Current_level_num == Last_level)
 287                         {
 288                                 if (!(Game_mode & GM_MULTI))
 289                                         return;
 290                                 if (Game_mode & GM_MULTI_ROBOTS)
 291                                         return;
 292                         }
 293                 }
 294
 295                 gr_set_curfont( SMALL_FONT );
 296                 gr_set_fontcolor(gr_getcolor(0,63,0), -1 );
 297                 y = SMALL_FONT->ft_h*4;
 298                 if (Cockpit_mode == CM_FULL_SCREEN)
 299                         y += SMALL_FONT->ft_h*2;
 300
 301                 if (Player_is_dead)
 302                         y += SMALL_FONT->ft_h*2;
 303
 304                 //if (!((Cockpit_mode == CM_STATUS_BAR) && (Game_window_y >= 19)))
 305                 //      y += 5;
 306                 gr_printf(0x8000, y, "T-%d s", Countdown_seconds_left );
 307         }
 308 }
 309
 310 void game_draw_hud_stuff()
 311 {
 312 #ifdef MACINTOSH
 313         int odisplay_mode = Current_display_mode;
 314         if (Scanline_double) {
 315                 FontHires = 0;
 316                 Current_display_mode = 0;
 317         }
 318 #endif
 319
 320
 321         //mprintf ((0,"Linear is %d!\n",LinearSVGABuffer));
 322
 323         #ifndef NDEBUG
 324         if (Debug_pause) {
 325                 gr_set_curfont( MEDIUM1_FONT );
 326                 gr_set_fontcolor( gr_getcolor(31, 31, 31), -1 ); // gr_getcolor(31,0,0));
 327                 gr_ustring( 0x8000, 85/2, "Debug Pause - Press P to exit" );
 328         }
 329         #endif
 330
 331         #ifndef NDEBUG
 332         draw_window_label();
 333         #endif
 334
 335 #ifdef NETWORK
 336         game_draw_multi_message();
 337 #endif
 338
 339    game_draw_marker_message();
 340
 341 //   if (Game_mode & GM_MULTI)
 342 //    {
 343 //     if (Netgame.PlayTimeAllowed)
 344 //       game_draw_time_left ();
 345 //  }
 346
 347         if ((Newdemo_state == ND_STATE_PLAYBACK) || (Newdemo_state == ND_STATE_RECORDING)) {
 348                 char message[128];
 349                 int h,w,aw;
 350
 351                 if (Newdemo_state == ND_STATE_PLAYBACK) {
 352                         if (Newdemo_vcr_state != ND_STATE_PRINTSCREEN) {
 353                                 sprintf(message, "%s (%d%%%% %s)", TXT_DEMO_PLAYBACK, newdemo_get_percent_done(), TXT_DONE);
 354                         } else {
 355                                 sprintf (message, " ");
 356                         }
 357                 } else
 358                         sprintf (message, TXT_DEMO_RECORDING);
 359
 360                 gr_set_curfont( GAME_FONT );    //GAME_FONT );
 361                 gr_set_fontcolor(gr_getcolor(27,0,0), -1 );
 362
 363                 gr_get_string_size(message, &w, &h, &aw );
 364                 #ifdef MACINTOSH
 365                 if (Scanline_double)            // double height if scanline doubling since we have the correct
 366                         h += h;                                 // font for printing, but the wrong height.
 367                 #endif
 368                 if (Cockpit_mode == CM_FULL_COCKPIT) {
 369                         if (grd_curcanv->cv_bitmap.bm_h > 240)
 370                                 h += 40;
 371                         else
 372                                 h += 15;
 373                 } else if ( Cockpit_mode == CM_LETTERBOX )
 374                         h += 7;
 375                 if (Cockpit_mode != CM_REAR_VIEW && !Saving_movie_frames)
 376                         gr_printf((grd_curcanv->cv_bitmap.bm_w-w)/2, grd_curcanv->cv_bitmap.bm_h - h - 2, message );
 377         }
 378
 379         render_countdown_gauge();
 380
 381         if ( Player_num > -1 && Viewer->type==OBJ_PLAYER && Viewer->id==Player_num )    {
 382                 int     x = 3;
 383                 int     y = grd_curcanv->cv_bitmap.bm_h;
 384
 385                 gr_set_curfont( GAME_FONT );
 386                 gr_set_fontcolor( gr_getcolor(0, 31, 0), -1 );
 387                 if (Cruise_speed > 0) {
 388                         int line_spacing = GAME_FONT->ft_h + GAME_FONT->ft_h/4;
 389
 390 mprintf((0,"line_spacing=%d ",line_spacing));
 391
 392                         if (Cockpit_mode==CM_FULL_SCREEN) {
 393                                 if (Game_mode & GM_MULTI)
 394                                         y -= line_spacing * 11; //64
 395                                 else
 396                                         y -= line_spacing * 6;  //32
 397                         } else if (Cockpit_mode == CM_STATUS_BAR) {
 398                                 if (Game_mode & GM_MULTI)
 399                                         y -= line_spacing * 8;  //48
 400                                 else
 401                                         y -= line_spacing * 4;  //24
 402                         } else {
 403                                 y = line_spacing * 2;   //12
 404                                 x = 20+2;
 405                         }
 406
 407                         gr_printf( x, y, "%s %2d%%", TXT_CRUISE, f2i(Cruise_speed) );
 408                 }
 409         }
 410
 411         if (r_framerate.value)
 412                 show_framerate();
 413
 414         if ( (Newdemo_state == ND_STATE_PLAYBACK) )
 415                 Game_mode = Newdemo_game_mode;
 416
 417         draw_hud();
 418
 419         if ( (Newdemo_state == ND_STATE_PLAYBACK) )
 420                 Game_mode = GM_NORMAL;
 421
 422         if ( Player_is_dead )
 423                 player_dead_message();
 424
 425 #ifdef MACINTOSH
 426         if (Scanline_double) {
 427                 FontHires = 1;
 428                 Current_display_mode = odisplay_mode;
 429         }
 430 #endif
 431 }
 432
 433 extern int gr_bitblt_dest_step_shift;
 434 extern int gr_wait_for_retrace;
 435 extern int gr_bitblt_double;
 436
 437 #if 0
 438 void expand_row(ubyte * dest, ubyte * src, int num_src_pixels );
 439 #pragma aux expand_row parm [edi] [esi] [ecx] modify exact [ecx esi edi eax ebx] = \
 440         "add    esi, ecx"                       \
 441         "dec    esi"                                    \
 442         "add    edi, ecx"                       \
 443         "add    edi, ecx"                       \
 444         "dec    edi"                                    \
 445         "dec    edi"                                    \
 446 "nextpixel:"                                    \
 447         "mov    al,[esi]"                       \
 448         "mov    ah, al"                         \
 449         "dec    esi"                                    \
 450         "mov    [edi], ax"                      \
 451         "dec    edi"                                    \
 452         "dec    edi"                                    \
 453         "dec    ecx"                                    \
 454         "jnz    nextpixel"                      \
 455 "done:"
 456 #else
 457 void expand_row(ubyte * dest, ubyte * src, int num_src_pixels )
 458 {
 459         int i;
 460
 461         for (i = 0; i < num_src_pixels; i++) {
 462                 *dest++ = *src;
 463                 *dest++ = *src++;
 464         }
 465 }
 466 #endif
 467
 468 // doubles the size in x or y of a bitmap in place.
 469 void game_expand_bitmap( grs_bitmap * bmp, uint flags )
 470 {
 471         int i;
 472         ubyte * dptr, * sptr;
 473
 474         switch(flags & 3)       {
 475         case 2: // expand x
 476                 Assert( bmp->bm_rowsize == bmp->bm_w*2 );
 477                 dptr = &bmp->bm_data[(bmp->bm_h-1)*bmp->bm_rowsize];
 478                 for (i=bmp->bm_h-1; i>=0; i-- ) {
 479                         expand_row( dptr, dptr, bmp->bm_w );
 480                         dptr -= bmp->bm_rowsize;
 481                 }
 482                 bmp->bm_w *= 2;
 483                 break;
 484         case 1: // expand y
 485                 dptr = &bmp->bm_data[(2*(bmp->bm_h-1)+1)*bmp->bm_rowsize];
 486                 sptr = &bmp->bm_data[(bmp->bm_h-1)*bmp->bm_rowsize];
 487                 for (i=bmp->bm_h-1; i>=0; i-- ) {
 488                         memcpy( dptr, sptr, bmp->bm_w );
 489                         dptr -= bmp->bm_rowsize;
 490                         memcpy( dptr, sptr, bmp->bm_w );
 491                         dptr -= bmp->bm_rowsize;
 492                         sptr -= bmp->bm_rowsize;
 493                 }
 494                 bmp->bm_h *= 2;
 495                 break;
 496         case 3: // expand x & y
 497                 Assert( bmp->bm_rowsize == bmp->bm_w*2 );
 498                 dptr = &bmp->bm_data[(2*(bmp->bm_h-1)+1)*bmp->bm_rowsize];
 499                 sptr = &bmp->bm_data[(bmp->bm_h-1)*bmp->bm_rowsize];
 500                 for (i=bmp->bm_h-1; i>=0; i-- ) {
 501                         expand_row( dptr, sptr, bmp->bm_w );
 502                         dptr -= bmp->bm_rowsize;
 503                         expand_row( dptr, sptr, bmp->bm_w );
 504                         dptr -= bmp->bm_rowsize;
 505                         sptr -= bmp->bm_rowsize;
 506                 }
 507                 bmp->bm_w *= 2;
 508                 bmp->bm_h *= 2;
 509                 break;
 510         }
 511 }
 512
 513 extern int SW_drawn[2], SW_x[2], SW_y[2], SW_w[2], SW_h[2];
 514
 515 extern int Guided_in_big_window;
 516
 517 #if 0
 518 //render a frame for the game in stereo
 519 void game_render_frame_stereo()
 520 {
 521         int dw,dh,sw,sh;
 522         fix save_aspect;
 523         fix actual_eye_width;
 524         int actual_eye_offset;
 525         grs_canvas RenderCanvas[2];
 526         int no_draw_hud=0;
 527
 528         save_aspect = grd_curscreen->sc_aspect;
 529         grd_curscreen->sc_aspect *= 2;  //Muck with aspect ratio
 530
 531         sw = dw = VR_render_buffer[0].cv_bitmap.bm_w;
 532         sh = dh = VR_render_buffer[0].cv_bitmap.bm_h;
 533
 534         if (VR_low_res & 1)     {
 535                 sh /= 2;
 536                 grd_curscreen->sc_aspect *= 2;  //Muck with aspect ratio
 537         }
 538         if (VR_low_res & 2)     {
 539                 sw /= 2;
 540                 grd_curscreen->sc_aspect /= 2;  //Muck with aspect ratio
 541         }
 542
 543         gr_init_sub_canvas( &RenderCanvas[0], &VR_render_buffer[0], 0, 0, sw, sh );
 544         gr_init_sub_canvas( &RenderCanvas[1], &VR_render_buffer[1], 0, 0, sw, sh );
 545
 546         // Draw the left eye's view
 547         if (VR_eye_switch)      {
 548                 actual_eye_width = -VR_eye_width;
 549                 actual_eye_offset = -VR_eye_offset;
 550         } else {
 551                 actual_eye_width = VR_eye_width;
 552                 actual_eye_offset = VR_eye_offset;
 553         }
 554
 555         if (Guided_missile[Player_num] && Guided_missile[Player_num]->type==OBJ_WEAPON && Guided_missile[Player_num]->id==GUIDEDMISS_ID && Guided_missile[Player_num]->signature==Guided_missile_sig[Player_num] && Guided_in_big_window)
 556                 actual_eye_offset = 0;
 557
 558         gr_set_current_canvas(&RenderCanvas[0]);
 559
 560         if (Guided_missile[Player_num] && Guided_missile[Player_num]->type==OBJ_WEAPON && Guided_missile[Player_num]->id==GUIDEDMISS_ID && Guided_missile[Player_num]->signature==Guided_missile_sig[Player_num] && Guided_in_big_window) {
 561                 char *msg = "Guided Missile View";
 562                 object *viewer_save = Viewer;
 563                 int w,h,aw;
 564
 565                 Viewer = Guided_missile[Player_num];
 566
 567                 WIN(DDGRLOCK(dd_grd_curcanv));  // Must lock DD canvas!!!
 568                 {
 569                         #ifdef MACINTOSH
 570                         if (Scanline_double)
 571                                 FontHires = 0;
 572                         #endif
 573                         update_rendered_data(0, Viewer, 0, 0);
 574                         render_frame(0, 0);
 575
 576                         wake_up_rendered_objects(Viewer, 0);
 577                         Viewer = viewer_save;
 578
 579                         gr_set_curfont( GAME_FONT );    //GAME_FONT );
 580                         gr_set_fontcolor(gr_getcolor(27,0,0), -1 );
 581                         gr_get_string_size(msg, &w, &h, &aw );
 582
 583                         gr_printf((grd_curcanv->cv_bitmap.bm_w-w)/2, 3, msg );
 584
 585                         draw_guided_crosshair();
 586                 }
 587                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 588
 589                         HUD_render_message_frame();
 590                         #ifdef MACINTOSH
 591                         if (Scanline_double)
 592                                 FontHires = 1;
 593                         #endif
 594
 595                 no_draw_hud=1;
 596         }
 597         else if (Rear_view)
 598                 render_frame(actual_eye_width, 0);      // switch eye positions for rear view
 599         else
 600                 render_frame(-actual_eye_width, 0);             // Left eye
 601
 602         if ( VR_low_res )
 603                 game_expand_bitmap( &RenderCanvas[0].cv_bitmap, VR_low_res );
 604
 605         {       //render small window into left eye's canvas
 606                 grs_canvas *save=grd_curcanv;
 607                 fix save_aspect2 = grd_curscreen->sc_aspect;
 608                 grd_curscreen->sc_aspect = save_aspect*2;
 609                 SW_drawn[0] = SW_drawn[1] = 0;
 610                 show_extra_views();
 611                 gr_set_current_canvas(save);
 612                 grd_curscreen->sc_aspect = save_aspect2;
 613         }
 614
 615 //NEWVR
 616         if (actual_eye_offset > 0 ) {
 617                 gr_setcolor( gr_getcolor(0,0,0) );
 618                 gr_rect( grd_curcanv->cv_bitmap.bm_w-labs(actual_eye_offset)*2, 0,
 619                grd_curcanv->cv_bitmap.bm_w-1, grd_curcanv->cv_bitmap.bm_h );
 620         } else if (actual_eye_offset < 0 ) {
 621                 gr_setcolor( gr_getcolor(0,0,0) );
 622                 gr_rect( 0, 0, labs(actual_eye_offset)*2-1, grd_curcanv->cv_bitmap.bm_h );
 623         }
 624
 625         if ( VR_show_hud && !no_draw_hud )      {
 626                 grs_canvas tmp;
 627                 if (actual_eye_offset < 0 ) {
 628                         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 );
 629                 } else {
 630                         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 );
 631                 }
 632                 gr_set_current_canvas( &tmp );
 633                 game_draw_hud_stuff();
 634         }
 635
 636
 637         // Draw the right eye's view
 638         gr_set_current_canvas(&RenderCanvas[1]);
 639
 640         if (Guided_missile[Player_num] && Guided_missile[Player_num]->type==OBJ_WEAPON && Guided_missile[Player_num]->id==GUIDEDMISS_ID && Guided_missile[Player_num]->signature==Guided_missile_sig[Player_num] && Guided_in_big_window)
 641                 gr_bitmap(0,0,&RenderCanvas[0].cv_bitmap);
 642         else {
 643                 if (Rear_view)
 644                         render_frame(-actual_eye_width, 0);     // switch eye positions for rear view
 645                 else
 646                         render_frame(actual_eye_width, 0);              // Right eye
 647
 648                 if ( VR_low_res )
 649                         game_expand_bitmap( &RenderCanvas[1].cv_bitmap, VR_low_res );
 650         }
 651
 652
 653         {       //copy small window from left eye
 654                 grs_canvas temp;
 655                 int w;
 656                 for (w=0;w<2;w++) {
 657                         if (SW_drawn[w]) {
 658                                 gr_init_sub_canvas(&temp,&RenderCanvas[0],SW_x[w],SW_y[w],SW_w[w],SW_h[w]);
 659                                 gr_bitmap(SW_x[w]+actual_eye_offset*2,SW_y[w],&temp.cv_bitmap);
 660                         }
 661                 }
 662         }
 663
 664 //NEWVR
 665         if (actual_eye_offset>0) {
 666                 gr_setcolor( gr_getcolor(0,0,0) );
 667                 gr_rect( 0, 0, labs(actual_eye_offset)*2-1, grd_curcanv->cv_bitmap.bm_h );
 668         } else if ( actual_eye_offset < 0 )     {
 669                 gr_setcolor( gr_getcolor(0,0,0) );
 670                 gr_rect( grd_curcanv->cv_bitmap.bm_w-labs(actual_eye_offset)*2, 0,
 671                grd_curcanv->cv_bitmap.bm_w-1, grd_curcanv->cv_bitmap.bm_h );
 672         }
 673
 674 //NEWVR (Add the next 2 lines)
 675         if ( VR_show_hud && !no_draw_hud )      {
 676                 grs_canvas tmp;
 677                 if (actual_eye_offset > 0 ) {
 678                         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 );
 679                 } else {
 680                         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 );
 681                 }
 682                 gr_set_current_canvas( &tmp );
 683                 game_draw_hud_stuff();
 684         }
 685
 686
 687         // Draws white and black registration encoding lines
 688         // and Accounts for pixel-shift adjustment in upcoming bitblts
 689         if (VR_use_reg_code)    {
 690                 int width, height, quarter;
 691
 692                 width = RenderCanvas[0].cv_bitmap.bm_w;
 693                 height = RenderCanvas[0].cv_bitmap.bm_h;
 694                 quarter = width / 4;
 695
 696                 // black out left-hand side of left page
 697
 698                 // draw registration code for left eye
 699                 if ( VR_eye_switch )
 700                         gr_set_current_canvas( &RenderCanvas[1] );
 701                 else
 702                         gr_set_current_canvas( &RenderCanvas[0] );
 703                 gr_setcolor( VR_WHITE_INDEX );
 704                 gr_scanline( 0, quarter, height-1 );
 705                 gr_setcolor( VR_BLACK_INDEX );
 706                 gr_scanline( quarter, width-1, height-1 );
 707
 708                 if ( VR_eye_switch )
 709                         gr_set_current_canvas( &RenderCanvas[0] );
 710                 else
 711                         gr_set_current_canvas( &RenderCanvas[1] );
 712                 gr_setcolor( VR_WHITE_INDEX );
 713                 gr_scanline( 0, quarter*3, height-1 );
 714                 gr_setcolor( VR_BLACK_INDEX );
 715                 gr_scanline( quarter*3, width-1, height-1 );
 716    }
 717
 718                 // Copy left eye, then right eye
 719         if ( VR_screen_flags&VRF_USE_PAGING )
 720                 VR_current_page = !VR_current_page;
 721         else
 722                 VR_current_page = 0;
 723         gr_set_current_canvas( &VR_screen_pages[VR_current_page] );
 724
 725 //NEWVR
 726
 727         if ( VR_eye_offset_changed > 0 )        {
 728                 VR_eye_offset_changed--;
 729                 gr_clear_canvas(0);
 730         }
 731
 732         sw = dw = VR_render_buffer[0].cv_bitmap.bm_w;
 733         sh = dh = VR_render_buffer[0].cv_bitmap.bm_h;
 734
 735         // Copy left eye, then right eye
 736         gr_bitblt_dest_step_shift = 1;          // Skip every other scanline.
 737
 738         if (VR_render_mode == VR_INTERLACED )   {
 739                 if ( actual_eye_offset > 0 )    {
 740                         int xoff = labs(actual_eye_offset);
 741                         gr_bm_ubitblt( dw-xoff, dh, xoff, 0, 0, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 742                         gr_bm_ubitblt( dw-xoff, dh, 0, 1, xoff, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 743                 } else if ( actual_eye_offset < 0 )     {
 744                         int xoff = labs(actual_eye_offset);
 745                         gr_bm_ubitblt( dw-xoff, dh, 0, 0, xoff, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 746                         gr_bm_ubitblt( dw-xoff, dh, xoff, 1, 0, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 747                 } else {
 748                         gr_bm_ubitblt( dw, dh, 0, 0, 0, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 749                         gr_bm_ubitblt( dw, dh, 0, 1, 0, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[VR_current_page].cv_bitmap);
 750                 }
 751         } else if (VR_render_mode == VR_AREA_DET) {
 752                 // VFX copy
 753                 gr_bm_ubitblt( dw, dh, 0,  VR_current_page, 0, 0, &RenderCanvas[0].cv_bitmap, &VR_screen_pages[0].cv_bitmap);
 754                 gr_bm_ubitblt( dw, dh, dw, VR_current_page, 0, 0, &RenderCanvas[1].cv_bitmap, &VR_screen_pages[0].cv_bitmap);
 755         } else {
 756                 Int3();         // Huh?
 757         }
 758
 759         gr_bitblt_dest_step_shift = 0;
 760
 761         //if ( Game_vfx_flag )
 762         //      vfx_set_page(VR_current_page);          // 0 or 1
 763         //else
 764                 if ( VR_screen_flags&VRF_USE_PAGING )   {
 765                         gr_wait_for_retrace = 0;
 766
 767 //      Added by Samir from John's code
 768                 if ( (VR_screen_pages[VR_current_page].cv_bitmap.bm_type == BM_MODEX) && (Game_3dmax_flag==3) ) {
 769                         int old_x, old_y, new_x;
 770                         old_x = VR_screen_pages[VR_current_page].cv_bitmap.bm_x;
 771                         old_y = VR_screen_pages[VR_current_page].cv_bitmap.bm_y;
 772                         new_x = old_y*VR_screen_pages[VR_current_page].cv_bitmap.bm_rowsize;
 773                         new_x += old_x/4;
 774                         VR_screen_pages[VR_current_page].cv_bitmap.bm_x = new_x;
 775                         VR_screen_pages[VR_current_page].cv_bitmap.bm_y = 0;
 776                         VR_screen_pages[VR_current_page].cv_bitmap.bm_type = BM_SVGA;
 777                         gr_show_canvas( &VR_screen_pages[VR_current_page] );
 778                         VR_screen_pages[VR_current_page].cv_bitmap.bm_type = BM_MODEX;
 779                         VR_screen_pages[VR_current_page].cv_bitmap.bm_x = old_x;
 780                         VR_screen_pages[VR_current_page].cv_bitmap.bm_y = old_y;
 781                 } else {
 782                         gr_show_canvas( &VR_screen_pages[VR_current_page] );
 783                 }
 784                 gr_wait_for_retrace = 1;
 785         }
 786         grd_curscreen->sc_aspect=save_aspect;
 787 }
 788 #endif
 789 ubyte RenderingType=0;
 790 ubyte DemoDoingRight=0,DemoDoingLeft=0;
 791 extern ubyte DemoDoRight,DemoDoLeft;
 792 extern object DemoRightExtra,DemoLeftExtra;
 793
 794 char DemoWBUType[]={0,WBU_MISSILE,WBU_MISSILE,WBU_REAR,WBU_ESCORT,WBU_MARKER,WBU_MISSILE};
 795 char DemoRearCheck[]={0,0,0,1,0,0,0};
 796 char *DemoExtraMessage[]={"PLAYER","GUIDED","MISSILE","REAR","GUIDE-BOT","MARKER","SHIP"};
 797
 798 extern char guidebot_name[];
 799
 800 void show_extra_views()
 801 {
 802         int did_missile_view=0;
 803         int save_newdemo_state = Newdemo_state;
 804         int w;
 805
 806    if (Newdemo_state==ND_STATE_PLAYBACK)
 807     {
 808      if (DemoDoLeft)
 809       {
 810                  DemoDoingLeft=DemoDoLeft;
 811
 812        if (DemoDoLeft==3)
 813                         do_cockpit_window_view(0,ConsoleObject,1,WBU_REAR,"REAR");
 814        else
 815               do_cockpit_window_view(0,&DemoLeftExtra,DemoRearCheck[DemoDoLeft],DemoWBUType[DemoDoLeft],DemoExtraMessage[DemoDoLeft]);
 816                 }
 817      else
 818                 do_cockpit_window_view(0,NULL,0,WBU_WEAPON,NULL);
 819
 820           if (DemoDoRight)
 821                 {
 822                  DemoDoingRight=DemoDoRight;
 823
 824        if (DemoDoRight==3)
 825                         do_cockpit_window_view(1,ConsoleObject,1,WBU_REAR,"REAR");
 826        else
 827            do_cockpit_window_view(1,&DemoRightExtra,DemoRearCheck[DemoDoRight],DemoWBUType[DemoDoRight],DemoExtraMessage[DemoDoRight]);
 828                 }
 829      else
 830         do_cockpit_window_view(1,NULL,0,WBU_WEAPON,NULL);
 831
 832       DemoDoLeft=DemoDoRight=0;
 833                 DemoDoingLeft=DemoDoingRight=0;
 834
 835         return;
 836     }
 837
 838         if (Guided_missile[Player_num] && Guided_missile[Player_num]->type==OBJ_WEAPON && Guided_missile[Player_num]->id==GUIDEDMISS_ID && Guided_missile[Player_num]->signature==Guided_missile_sig[Player_num]) {
 839                 if (Guided_in_big_window)
 840                  {
 841                         RenderingType=6+(1<<4);
 842                         do_cockpit_window_view(1,Viewer,0,WBU_MISSILE,"SHIP");
 843                  }
 844                 else
 845                  {
 846                         RenderingType=1+(1<<4);
 847                         do_cockpit_window_view(1,Guided_missile[Player_num],0,WBU_GUIDED,"GUIDED");
 848             }
 849
 850                 did_missile_view=1;
 851         }
 852         else {
 853
 854                 if (Guided_missile[Player_num]) {               //used to be active
 855                         if (!Guided_in_big_window)
 856                                 do_cockpit_window_view(1,NULL,0,WBU_STATIC,NULL);
 857                         Guided_missile[Player_num] = NULL;
 858                 }
 859
 860                 if (Missile_viewer) {           //do missile view
 861                         static int mv_sig=-1;
 862                         if (mv_sig == -1)
 863                                 mv_sig = Missile_viewer->signature;
 864                         if (Missile_view_enabled && Missile_viewer->type!=OBJ_NONE && Missile_viewer->signature == mv_sig) {
 865                                 RenderingType=2+(1<<4);
 866                                 do_cockpit_window_view(1,Missile_viewer,0,WBU_MISSILE,"MISSILE");
 867                                 did_missile_view=1;
 868                         }
 869                         else {
 870                                 Missile_viewer = NULL;
 871                                 mv_sig = -1;
 872                                 RenderingType=255;
 873                                 do_cockpit_window_view(1,NULL,0,WBU_STATIC,NULL);
 874                         }
 875                 }
 876         }
 877
 878         for (w=0;w<2;w++) {
 879
 880                 if (w==1 && did_missile_view)
 881                         continue;               //if showing missile view in right window, can't show anything else
 882
 883                 //show special views if selected
 884                 switch (Cockpit_3d_view[w]) {
 885                         case CV_NONE:
 886                                 RenderingType=255;
 887                                 do_cockpit_window_view(w,NULL,0,WBU_WEAPON,NULL);
 888                                 break;
 889                         case CV_REAR:
 890                                 if (Rear_view) {                //if big window is rear view, show front here
 891                                         RenderingType=3+(w<<4);
 892                                         do_cockpit_window_view(w,ConsoleObject,0,WBU_REAR,"FRONT");
 893                                 }
 894                                 else {                                  //show normal rear view
 895                                         RenderingType=3+(w<<4);
 896                                         do_cockpit_window_view(w,ConsoleObject,1,WBU_REAR,"REAR");
 897                                 }
 898                                 break;
 899                         case CV_ESCORT: {
 900                                 object *buddy;
 901                                 buddy = find_escort();
 902                                 if (buddy == NULL) {
 903                                         do_cockpit_window_view(w,NULL,0,WBU_WEAPON,NULL);
 904                                         Cockpit_3d_view[w] = CV_NONE;
 905                                 }
 906                                 else {
 907                                         RenderingType=4+(w<<4);
 908                                         do_cockpit_window_view(w,buddy,0,WBU_ESCORT,guidebot_name);
 909                                 }
 910                                 break;
 911                         }
 912 #ifdef NETWORK
 913                         case CV_COOP: {
 914                                 int player = Coop_view_player[w];
 915
 916                  RenderingType=255; // don't handle coop stuff
 917
 918                                 if (player!=-1 && Players[player].connected && ((Game_mode & GM_MULTI_COOP) || ((Game_mode & GM_TEAM) && (get_team(player) == get_team(Player_num)))))
 919                                         do_cockpit_window_view(w,&Objects[Players[Coop_view_player[w]].objnum],0,WBU_COOP,Players[Coop_view_player[w]].callsign);
 920                                 else {
 921                                         do_cockpit_window_view(w,NULL,0,WBU_WEAPON,NULL);
 922                                         Cockpit_3d_view[w] = CV_NONE;
 923                                 }
 924                                 break;
 925                         }
 926 #endif
 927                         case CV_MARKER: {
 928                                 char label[10];
 929                                 RenderingType=5+(w<<4);
 930                                 if (Marker_viewer_num[w] == -1 || MarkerObject[Marker_viewer_num[w]] == -1) {
 931                                         Cockpit_3d_view[w] = CV_NONE;
 932                                         break;
 933                                 }
 934                                 sprintf(label,"Marker %d",Marker_viewer_num[w]+1);
 935                                 do_cockpit_window_view(w,&Objects[MarkerObject[Marker_viewer_num[w]]],0,WBU_MARKER,label);
 936                                 break;
 937                         }
 938                         default:
 939                                 Int3();         //invalid window type
 940                 }
 941         }
 942         RenderingType=0;
 943         Newdemo_state = save_newdemo_state;
 944 }
 945
 946 int BigWindowSwitch=0;
 947 extern int force_cockpit_redraw;
 948 #ifndef MACINTOSH
 949 extern ubyte * Game_cockpit_copy_code;
 950 #else
 951 extern ubyte Game_cockpit_copy_code;
 952 #endif
 953
 954 void draw_guided_crosshair(void);
 955
 956
 957 //render a frame for the game
 958 //              WINDOWS:
 959 //                      will render everything to dd_VR_render_sub_buffer
 960 //                      which all leads to the dd_VR_offscreen_buffer
 961 void game_render_frame_mono(void)
 962 {
 963         WINDOS (
 964                 dd_grs_canvas Screen_3d_window,
 965                 grs_canvas Screen_3d_window
 966         );
 967         int no_draw_hud=0;
 968
 969
 970         WINDOS (
 971                 dd_gr_init_sub_canvas(&Screen_3d_window, &dd_VR_screen_pages[0],
 972                         dd_VR_render_sub_buffer[0].canvas.cv_bitmap.bm_x,
 973                         dd_VR_render_sub_buffer[0].canvas.cv_bitmap.bm_y,
 974                         dd_VR_render_sub_buffer[0].canvas.cv_bitmap.bm_w,
 975                         dd_VR_render_sub_buffer[0].canvas.cv_bitmap.bm_h),
 976                 gr_init_sub_canvas( &Screen_3d_window, &VR_screen_pages[0],
 977                         VR_render_sub_buffer[0].cv_bitmap.bm_x,
 978                         VR_render_sub_buffer[0].cv_bitmap.bm_y,
 979                         VR_render_sub_buffer[0].cv_bitmap.bm_w,
 980                         VR_render_sub_buffer[0].cv_bitmap.bm_h)
 981         );
 982
 983         if ( Game_double_buffer ) {
 984                 WINDOS(
 985                         dd_gr_set_current_canvas(&dd_VR_render_sub_buffer[0]),
 986                         gr_set_current_canvas(&VR_render_sub_buffer[0])
 987                 );
 988         }
 989         else    {
 990                 WINDOS(
 991                         dd_gr_set_current_canvas(&Screen_3d_window),
 992                         gr_set_current_canvas(&Screen_3d_window)
 993                 );
 994         }
 995
 996         if (Guided_missile[Player_num] && Guided_missile[Player_num]->type==OBJ_WEAPON && Guided_missile[Player_num]->id==GUIDEDMISS_ID && Guided_missile[Player_num]->signature==Guided_missile_sig[Player_num] && Guided_in_big_window) {
 997                 char *msg = "Guided Missile View";
 998                 object *viewer_save = Viewer;
 999                 int w,h,aw;
1000
1001       if (Cockpit_mode==CM_FULL_COCKPIT)
1002                         {
1003                          BigWindowSwitch=1;
1004                          force_cockpit_redraw=1;
1005                          Cockpit_mode=CM_STATUS_BAR;
1006                          return;
1007                    }
1008
1009                 Viewer = Guided_missile[Player_num];
1010
1011                 WIN(DDGRLOCK(dd_grd_curcanv));  // Must lock DD canvas!!!
1012                 {
1013                         #ifdef MACINTOSH
1014                         if (Scanline_double)
1015                                 FontHires = 0;
1016                         #endif
1017                         update_rendered_data(0, Viewer, 0, 0);
1018                         render_frame(0, 0);
1019
1020                         wake_up_rendered_objects(Viewer, 0);
1021                         Viewer = viewer_save;
1022
1023                         gr_set_curfont( GAME_FONT );    //GAME_FONT );
1024                         gr_set_fontcolor(gr_getcolor(27,0,0), -1 );
1025                         gr_get_string_size(msg, &w, &h, &aw );
1026
1027                         gr_printf((grd_curcanv->cv_bitmap.bm_w-w)/2, 3, msg );
1028
1029                         draw_guided_crosshair();
1030                 }
1031                 WIN(DDGRUNLOCK(dd_grd_curcanv));
1032
1033                         HUD_render_message_frame();
1034                         #ifdef MACINTOSH
1035                         if (Scanline_double)
1036                                 FontHires = 1;
1037                         #endif
1038
1039                 no_draw_hud=1;
1040         }
1041         else
1042          {
1043                 if (BigWindowSwitch)
1044                  {
1045                    force_cockpit_redraw=1;
1046                         Cockpit_mode=CM_FULL_COCKPIT;
1047                    BigWindowSwitch=0;
1048                         return;
1049                  }
1050                 WIN(DDGRLOCK(dd_grd_curcanv));  // Must lock DD canvas!!!
1051                 update_rendered_data(0, Viewer, Rear_view, 0);
1052                 render_frame(0, 0);
1053                 WIN(DDGRUNLOCK(dd_grd_curcanv));
1054          }
1055
1056         if ( Game_double_buffer ) {
1057                 WINDOS(
1058                         dd_gr_set_current_canvas(&dd_VR_render_sub_buffer[0]),
1059                         gr_set_current_canvas(&VR_render_sub_buffer[0])
1060                 );
1061         }
1062         else    {
1063                 WINDOS(
1064                         dd_gr_set_current_canvas(&Screen_3d_window),
1065                         gr_set_current_canvas(&Screen_3d_window)
1066                 );
1067         }
1068
1069         if (!no_draw_hud)       {
1070                 WIN(DDGRLOCK(dd_grd_curcanv));
1071                 game_draw_hud_stuff();
1072                 WIN(DDGRUNLOCK(dd_grd_curcanv));
1073         }
1074
1075         show_extra_views();             //missile view, buddy bot, etc.
1076
1077 #ifdef WINDOWS
1078         if (Game_paused) {              //render pause message over off-screen 3d (to minimize flicker)
1079                 extern char *Pause_msg;
1080 //              LPDIRECTDRAWSURFACE save_dds = dd_VR_screen_pages[VR_current_page].lpdds;
1081
1082 //              dd_VR_screen_pages[VR_current_page].lpdds = dd_VR_render_buffer[VR_current_page].lpdds;
1083                 show_boxed_message(Pause_msg);
1084 //              dd_VR_screen_pages[VR_current_page].lpdds = save_dds;
1085         }
1086 #else
1087         if (Game_paused) {              //render pause message over off-screen 3d (to minimize flicker)
1088                 extern char *Pause_msg;
1089                 ubyte *save_data = VR_screen_pages[VR_current_page].cv_bitmap.bm_data;
1090
1091                 VR_screen_pages[VR_current_page].cv_bitmap.bm_data=VR_render_buffer[VR_current_page].cv_bitmap.bm_data;
1092                 show_boxed_message(Pause_msg);
1093                 VR_screen_pages[VR_current_page].cv_bitmap.bm_data=save_data;
1094         }
1095 #endif
1096
1097         if ( Game_double_buffer ) {             //copy to visible screen
1098                 if ( !Game_cockpit_copy_code )  {
1099                         if ( VR_screen_flags&VRF_USE_PAGING )   {
1100                                 VR_current_page = !VR_current_page;
1101                                 #ifdef WINDOWS
1102                                         dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]);
1103                                         dd_gr_flip();
1104                                 #else
1105                                         gr_set_current_canvas( &VR_screen_pages[VR_current_page] );
1106                                         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 );
1107                                         gr_wait_for_retrace = 0;
1108                                         gr_show_canvas( &VR_screen_pages[VR_current_page] );
1109                                         gr_wait_for_retrace = 1;
1110                                 #endif
1111                         } else {
1112                         #ifdef MACINTOSH
1113                                 if (Scanline_double)
1114                                         gr_bm_ubitblt_double( 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[0].cv_bitmap );
1115                                 else
1116                         #endif // NOTE LINK TO ABOVE IF
1117                         #ifdef WINDOWS
1118                                 if (GRMODEINFO(emul) || GRMODEINFO(modex) || GRMODEINFO(dbuf))
1119                                         // From render buffer to screen buffer.
1120                                         dd_gr_blt_notrans(&dd_VR_render_sub_buffer[0],
1121                                                 0,0,
1122                                                 dd_VR_render_sub_buffer[0].canvas.cv_w,
1123                                                 dd_VR_render_sub_buffer[0].canvas.cv_h,
1124                                                 dd_grd_screencanv,
1125                                                 dd_VR_render_sub_buffer[0].xoff,
1126                                                 dd_VR_render_sub_buffer[0].yoff,
1127                                                 dd_VR_render_sub_buffer[0].canvas.cv_w,
1128                                                 dd_VR_render_sub_buffer[0].canvas.cv_h);
1129
1130                                         DDGRRESTORE;
1131                         // Puts back canvas to front canvas by blt or flip
1132                                 if (GRMODEINFO(modex)) {
1133                                         //@@VR_current_page = !VR_current_page;
1134                                         //@@dd_gr_flip();
1135                                         win_flip = 1;
1136                                 }
1137                         #else
1138                                 gr_bm_ubitblt( VR_render_sub_buffer[0].cv_w,
1139                                                 VR_render_sub_buffer[0].cv_h,
1140                                                 VR_render_sub_buffer[0].cv_bitmap.bm_x,
1141                                                 VR_render_sub_buffer[0].cv_bitmap.bm_y,
1142                                                 0, 0,
1143                                                 &VR_render_sub_buffer[0].cv_bitmap,
1144                                                 &VR_screen_pages[0].cv_bitmap );
1145                         #endif
1146                         }
1147                 } else  {
1148                         #if 1 //def MACINTOSH
1149                                 gr_ibitblt( &VR_render_sub_buffer[0].cv_bitmap, &VR_screen_pages[0].cv_bitmap, Scanline_double );
1150                         #else
1151                         #ifndef WINDOWS
1152                                 gr_ibitblt( &VR_render_buffer[0].cv_bitmap, &VR_screen_pages[0].cv_bitmap, Game_cockpit_copy_code );
1153                         #else
1154                                 win_do_emul_ibitblt( &dd_VR_render_sub_buffer[0], dd_grd_screencanv);
1155                                 DDGRRESTORE;
1156                                 if (GRMODEINFO(modex)) {
1157                                         //@@VR_current_page = !VR_current_page;
1158                                         //@@dd_gr_flip();
1159                                         win_flip = 1;
1160                                 }
1161                         #endif
1162                         #endif
1163                 }
1164         }
1165
1166         if (Cockpit_mode==CM_FULL_COCKPIT || Cockpit_mode==CM_STATUS_BAR) {
1167
1168                 if ( (Newdemo_state == ND_STATE_PLAYBACK) )
1169                         Game_mode = Newdemo_game_mode;
1170
1171                 render_gauges();
1172
1173                 if ( (Newdemo_state == ND_STATE_PLAYBACK) )
1174                         Game_mode = GM_NORMAL;
1175         }
1176
1177 #ifdef WINDOWS
1178         if (win_flip) {
1179                 VR_current_page = !VR_current_page;
1180                 dd_gr_flip();
1181         }
1182 #endif
1183
1184         con_update();
1185
1186         gr_update();
1187 #ifdef OGL
1188         ogl_swap_buffers();
1189 #endif
1190 }
1191
1192 void toggle_cockpit()
1193 {
1194         int new_mode;
1195
1196         switch (Cockpit_mode) {
1197
1198                 case CM_FULL_COCKPIT: {
1199                         int max_h = grd_curscreen->sc_h - GameBitmaps[cockpit_bitmap[CM_STATUS_BAR+(Current_display_mode?(Num_cockpits/2):0)].index].bm_h;
1200                         if (Game_window_h > max_h)              //too big for statusbar
1201                                 new_mode = CM_FULL_SCREEN;
1202                         else
1203                                 new_mode = CM_STATUS_BAR;
1204                         break;
1205                 }
1206
1207                 case CM_STATUS_BAR:
1208                 case CM_FULL_SCREEN:
1209                         if (Rear_view)
1210                                 return;
1211                         new_mode = CM_FULL_COCKPIT;
1212                         break;
1213
1214                 case CM_REAR_VIEW:
1215                 case CM_LETTERBOX:
1216                 default:
1217                         return;                 //do nothing
1218                         break;
1219
1220         }
1221
1222         select_cockpit(new_mode);
1223         HUD_clear_messages();
1224         write_player_file();
1225 }
1226
1227 #ifndef MACINTOSH
1228 #define WINDOW_W_DELTA  ((max_window_w / 16)&~1)        //24    //20
1229 #define WINDOW_H_DELTA  ((max_window_h / 16)&~1)        //12    //10
1230
1231 #define WINDOW_MIN_W            ((max_window_w * 10) / 22)      //160
1232 #define WINDOW_MIN_H            ((max_window_h * 10) / 22)
1233 #else
1234 //#define WINDOW_W_DELTA        32
1235 //#define WINDOW_H_DELTA        16
1236
1237 #define WINDOW_W_DELTA  ((max_window_w / 16) & ~15)             // double word aligned
1238 #define WINDOW_H_DELTA  ((max_window_h / 16) & ~15)             // double word aligned
1239
1240 #define WINDOW_MIN_W            (max_window_w-(WINDOW_W_DELTA*11))
1241 #define WINDOW_MIN_H            (max_window_h-(WINDOW_H_DELTA*11))
1242 #endif
1243
1244 void grow_window()
1245 {
1246         if (Cockpit_mode == CM_FULL_COCKPIT) {
1247                 Game_window_h = max_window_h;
1248                 Game_window_w = max_window_w;
1249                 toggle_cockpit();
1250                 HUD_init_message("Press F3 to return to Cockpit mode");
1251                 return;
1252         }
1253
1254         if (Cockpit_mode != CM_STATUS_BAR && (VR_screen_flags & VRF_ALLOW_COCKPIT))
1255                 return;
1256
1257         if (Game_window_h>=max_window_h || Game_window_w>=max_window_w) {
1258                 //Game_window_w = max_window_w;
1259                 //Game_window_h = max_window_h;
1260                 select_cockpit(CM_FULL_SCREEN);
1261         } else {
1262                 //int x,y;
1263
1264                 Game_window_w += WINDOW_W_DELTA;
1265                 Game_window_h += WINDOW_H_DELTA;
1266
1267                 #ifdef MACINTOSH                // horrible hack to ensure that height is even to satisfy pixel doubling blitter
1268                 if ( Scanline_double && (Game_window_h & 1) )
1269                         Game_window_h--;
1270                 #endif
1271
1272                 if (Game_window_h > max_window_h)
1273                         Game_window_h = max_window_h;
1274
1275                 if (Game_window_w > max_window_w)
1276                         Game_window_w = max_window_w;
1277
1278                 Game_window_x = (max_window_w - Game_window_w)/2;
1279                 Game_window_y = (max_window_h - Game_window_h)/2;
1280
1281                 game_init_render_sub_buffers( Game_window_x, Game_window_y, Game_window_w, Game_window_h );
1282         }
1283
1284         HUD_clear_messages();   //      @mk, 11/11/94
1285
1286         write_player_file();
1287 }
1288
1289 // grs_bitmap background_bitmap;        already declared in line 434 (samir 4/10/94)
1290
1291 extern grs_bitmap background_bitmap;
1292
1293 void copy_background_rect(int left,int top,int right,int bot)
1294 {
1295         grs_bitmap *bm = &background_bitmap;
1296         int x,y;
1297         int tile_left,tile_right,tile_top,tile_bot;
1298         int ofs_x,ofs_y;
1299         int dest_x,dest_y;
1300
1301         if (right < left || bot < top)
1302                 return;
1303
1304         tile_left = left / bm->bm_w;
1305         tile_right = right / bm->bm_w;
1306         tile_top = top / bm->bm_h;
1307         tile_bot = bot / bm->bm_h;
1308
1309         ofs_y = top % bm->bm_h;
1310         dest_y = top;
1311
1312 WIN(DDGRLOCK(dd_grd_curcanv))
1313 {
1314         for (y=tile_top;y<=tile_bot;y++) {
1315                 int w,h;
1316
1317                 ofs_x = left % bm->bm_w;
1318                 dest_x = left;
1319
1320                 //h = (bot < dest_y+bm->bm_h)?(bot-dest_y+1):(bm->bm_h-ofs_y);
1321                 h = min(bot-dest_y+1,bm->bm_h-ofs_y);
1322
1323                 for (x=tile_left;x<=tile_right;x++) {
1324
1325                         //w = (right < dest_x+bm->bm_w)?(right-dest_x+1):(bm->bm_w-ofs_x);
1326                         w = min(right-dest_x+1,bm->bm_w-ofs_x);
1327
1328                         gr_bm_ubitblt(w,h,dest_x,dest_y,ofs_x,ofs_y,
1329                                         &background_bitmap,&grd_curcanv->cv_bitmap);
1330
1331                         ofs_x = 0;
1332                         dest_x += w;
1333                 }
1334
1335                 ofs_y = 0;
1336                 dest_y += h;
1337         }
1338 }
1339 WIN(DDGRUNLOCK(dd_grd_curcanv));
1340
1341 }
1342
1343 #ifdef WINDOWS
1344 int force_background_fill=0;
1345 #endif
1346
1347 //fills int the background surrounding the 3d window
1348 void fill_background()
1349 {
1350         int x,y,w,h,dx,dy;
1351
1352         x = Game_window_x;
1353         y = Game_window_y;
1354         w = Game_window_w;
1355         h = Game_window_h;
1356
1357         dx = x;
1358         dy = y;
1359
1360         WINDOS( dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]),
1361                                 gr_set_current_canvas(&VR_screen_pages[VR_current_page])
1362         );
1363         copy_background_rect(x-dx,y-dy,x-1,y+h+dy-1);
1364         copy_background_rect(x+w,y-dy,grd_curcanv->cv_w-1,y+h+dy-1);
1365         copy_background_rect(x,y-dy,x+w-1,y-1);
1366         copy_background_rect(x,y+h,x+w-1,y+h+dy-1);
1367
1368 #ifdef WINDOWS
1369         if (GRMODEINFO(modex)) {
1370                 copy_background_rect(x-dx,y-dy,x-1,y+h+dy-1);
1371                 copy_background_rect(x+w,y-dy,grd_curcanv->cv_w-1,y+h+dy-1);
1372                 copy_background_rect(x,y-dy,x+w-1,y-1);
1373                 copy_background_rect(x,y+h,x+w-1,y+h+dy-1);
1374         }
1375 #endif
1376
1377         if (VR_screen_flags & VRF_USE_PAGING) {
1378                 WINDOS( dd_gr_set_current_canvas(&dd_VR_screen_pages[!VR_current_page]),
1379                                         gr_set_current_canvas(&VR_screen_pages[!VR_current_page])
1380                 );
1381                 copy_background_rect(x-dx,y-dy,x-1,y+h+dy-1);
1382                 copy_background_rect(x+w,y-dy,x+w+dx-1,y+h+dy-1);
1383                 copy_background_rect(x,y-dy,x+w-1,y-1);
1384                 copy_background_rect(x,y+h,x+w-1,y+h+dy-1);
1385         }
1386
1387         #ifdef WINDOWS
1388         if (GRMODEINFO(modex) && force_background_fill==0)              //double-buffered
1389                 force_background_fill=2;
1390         #endif
1391 }
1392
1393 void shrink_window()
1394 {
1395         #ifdef WINDOWS
1396         //When you shrink the window twice in two frames, the background doens't
1397         //restore properly.  So this hack keeps you from shrinking the window
1398         //before two frames have been drawn
1399         static int last_shrink_framecount=-1;
1400         if (FrameCount - last_shrink_framecount < 2)
1401                 return;
1402         last_shrink_framecount = FrameCount;
1403         #endif
1404
1405         mprintf((0,"%d ",FrameCount));
1406
1407 //  mprintf ((0,"W=%d H=%d\n",Game_window_w,Game_window_h));
1408
1409         if (Cockpit_mode == CM_FULL_COCKPIT && (VR_screen_flags & VRF_ALLOW_COCKPIT)) {
1410                 Game_window_h = max_window_h;
1411                 Game_window_w = max_window_w;
1412                 //!!toggle_cockpit();
1413                 select_cockpit(CM_STATUS_BAR);
1414 //              shrink_window();
1415 //              shrink_window();
1416                 HUD_init_message("Press F3 to return to Cockpit mode");
1417                 write_player_file();
1418                 return;
1419         }
1420
1421         if (Cockpit_mode == CM_FULL_SCREEN && (VR_screen_flags & VRF_ALLOW_COCKPIT))
1422         {
1423                 //Game_window_w = max_window_w;
1424                 //Game_window_h = max_window_h;
1425                 select_cockpit(CM_STATUS_BAR);
1426                 write_player_file();
1427                 return;
1428         }
1429
1430         if (Cockpit_mode != CM_STATUS_BAR && (VR_screen_flags & VRF_ALLOW_COCKPIT))
1431                 return;
1432
1433    mprintf ((0,"Cockpit mode=%d\n",Cockpit_mode));
1434
1435         if (Game_window_w > WINDOW_MIN_W) {
1436                 //int x,y;
1437
1438       Game_window_w -= WINDOW_W_DELTA;
1439                 Game_window_h -= WINDOW_H_DELTA;
1440
1441
1442   mprintf ((0,"NewW=%d NewH=%d VW=%d maxH=%d\n",Game_window_w,Game_window_h,max_window_w,max_window_h));
1443
1444                 if ( Game_window_w < WINDOW_MIN_W )
1445                         Game_window_w = WINDOW_MIN_W;
1446
1447                 if ( Game_window_h < WINDOW_MIN_H )
1448                         Game_window_h = WINDOW_MIN_H;
1449
1450                 #ifdef MACINTOSH                // horrible hack to ensure that height is even to satisfy pixel doubling blitter
1451                 if ( Scanline_double && (Game_window_h & 1) )
1452                         Game_window_h--;
1453                 #endif
1454
1455                 Game_window_x = (max_window_w - Game_window_w)/2;
1456                 Game_window_y = (max_window_h - Game_window_h)/2;
1457
1458                 fill_background();
1459
1460                 game_init_render_sub_buffers( Game_window_x, Game_window_y, Game_window_w, Game_window_h );
1461                 HUD_clear_messages();
1462                 write_player_file();
1463         }
1464
1465 }
1466
1467 int last_drawn_cockpit[2] = { -1, -1 };
1468
1469 // This actually renders the new cockpit onto the screen.
1470 void update_cockpits(int force_redraw)
1471 {
1472         //int x, y, w, h;
1473
1474         //Redraw the on-screen cockpit bitmaps
1475         if (VR_render_mode != VR_NONE ) return;
1476
1477         switch( Cockpit_mode )  {
1478         case CM_FULL_COCKPIT:
1479         case CM_REAR_VIEW:
1480         WINDOS(
1481                 dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]),
1482                 gr_set_current_canvas(&VR_screen_pages[VR_current_page])
1483         );
1484                 PIGGY_PAGE_IN(cockpit_bitmap[Cockpit_mode+(Current_display_mode?(Num_cockpits/2):0)]);
1485
1486         WIN(DDGRLOCK(dd_grd_curcanv));
1487                 gr_ubitmapm(0,0, &GameBitmaps[cockpit_bitmap[Cockpit_mode+(Current_display_mode?(Num_cockpits/2):0)].index]);
1488         WIN(DDGRUNLOCK(dd_grd_curcanv));
1489                 break;
1490
1491         case CM_FULL_SCREEN:
1492                 Game_window_x = (max_window_w - Game_window_w)/2;
1493                 Game_window_y = (max_window_h - Game_window_h)/2;
1494                 fill_background();
1495                 break;
1496
1497         case CM_STATUS_BAR:
1498
1499                         WINDOS (        dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]),
1500                                                 gr_set_current_canvas(&VR_screen_pages[VR_current_page])
1501                         );
1502
1503                         PIGGY_PAGE_IN(cockpit_bitmap[Cockpit_mode+(Current_display_mode?(Num_cockpits/2):0)]);
1504
1505                         WIN(DDGRLOCK(dd_grd_curcanv));
1506                                 gr_ubitmapm(0,max_window_h,&GameBitmaps[cockpit_bitmap[Cockpit_mode+(Current_display_mode?(Num_cockpits/2):0)].index]);
1507                         WIN(DDGRUNLOCK(dd_grd_curcanv));
1508
1509                 #ifdef MACINTOSH                // hideously horrible hack to put grey line 1 scanline above because of pixel doubling "oddness"
1510                         if (Scanline_double)
1511                         {
1512                                 gr_setcolor(BM_XRGB(13,13,13));         // color of top of status bar
1513                                 gr_uscanline( 0, grd_curcanv->cv_w, max_window_h-1 );
1514                         }
1515                 #endif
1516
1517                 Game_window_x = (max_window_w - Game_window_w)/2;
1518                 Game_window_y = (max_window_h - Game_window_h)/2;
1519                 fill_background();
1520                 break;
1521
1522         case CM_LETTERBOX:
1523                 WINDOS( dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]),
1524                                         gr_set_current_canvas(&VR_screen_pages[VR_current_page])
1525                 );
1526                 WINDOS ( dd_gr_clear_canvas( BM_XRGB(0,0,0) ),
1527                                         gr_clear_canvas( BM_XRGB(0,0,0) ) );
1528
1529                 // In a modex mode, clear the other buffer.
1530                 if (grd_curcanv->cv_bitmap.bm_type == BM_MODEX) {
1531                         gr_set_current_canvas(&VR_screen_pages[VR_current_page^1]);
1532                         gr_clear_canvas( BM_XRGB(0,0,0) );
1533                         gr_set_current_canvas(&VR_screen_pages[VR_current_page]);
1534                 }
1535                 break;
1536
1537         }
1538
1539         WINDOS (        dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]),
1540                                 gr_set_current_canvas(&VR_screen_pages[VR_current_page])
1541         );
1542
1543         if (Cockpit_mode != last_drawn_cockpit[VR_current_page] || force_redraw )
1544                 last_drawn_cockpit[VR_current_page] = Cockpit_mode;
1545         else
1546                 return;
1547
1548         if (Cockpit_mode==CM_FULL_COCKPIT || Cockpit_mode==CM_STATUS_BAR)
1549                 init_gauges();
1550
1551 }
1552
1553
1554 void game_render_frame()
1555 {
1556         set_screen_mode( SCREEN_GAME );
1557
1558         update_cockpits(0);
1559
1560         #ifdef WINDOWS
1561         if (force_background_fill) {
1562                 fill_background();
1563                 force_background_fill--;
1564         }
1565         #endif
1566
1567         play_homing_warning();
1568
1569         if (VR_render_mode == VR_NONE )
1570                 game_render_frame_mono();
1571 /*      else
1572                 game_render_frame_stereo();
1573                 */
1574
1575         // Make sure palette is faded in
1576         stop_time();
1577         gr_palette_fade_in( gr_palette, 32, 0 );
1578         start_time();
1579
1580         FrameCount++;
1581 }
1582
1583 extern int Color_0_31_0;
1584
1585 //draw a crosshair for the guided missile
1586 void draw_guided_crosshair(void)
1587 {
1588         int x,y,w,h;
1589
1590         gr_setcolor(Color_0_31_0);
1591
1592         w = grd_curcanv->cv_w>>5;
1593         if (w < 5)
1594                 w = 5;
1595
1596         h = i2f(w) / grd_curscreen->sc_aspect;
1597
1598         x = grd_curcanv->cv_w / 2;
1599         y = grd_curcanv->cv_h / 2;
1600
1601         gr_scanline(x-w/2,x+w/2,y);
1602         gr_uline(i2f(x),i2f(y-h/2),i2f(x),i2f(y+h/2));
1603
1604 }
1605
1606 typedef struct bkg {
1607         short x, y, w, h;                       // The location of the menu.
1608         grs_bitmap * bmp;                       // The background under the menu.
1609 } bkg;
1610
1611 bkg bg = {0,0,0,0,NULL};
1612
1613 #define BOX_BORDER (MenuHires?60:30)
1614
1615 //show a message in a nice little box
1616 void show_boxed_message(char *msg)
1617 {
1618         int w,h,aw;
1619         int x,y;
1620
1621         WINDOS(
1622                 dd_gr_set_current_canvas(&dd_VR_screen_pages[VR_current_page]),
1623                 gr_set_current_canvas(&VR_screen_pages[VR_current_page])
1624         );
1625         gr_set_curfont( MEDIUM1_FONT );
1626
1627         gr_get_string_size(msg,&w,&h,&aw);
1628
1629         x = (grd_curscreen->sc_w-w)/2;
1630         y = (grd_curscreen->sc_h-h)/2;
1631
1632         if (bg.bmp) {
1633                 gr_free_bitmap(bg.bmp);
1634                 bg.bmp = NULL;
1635         }
1636
1637         // Save the background of the display
1638         bg.x=x; bg.y=y; bg.w=w; bg.h=h;
1639
1640         bg.bmp = gr_create_bitmap( w+BOX_BORDER, h+BOX_BORDER );
1641
1642         WIN( DDGRLOCK(dd_grd_curcanv));
1643                 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 );
1644         WIN( DDGRUNLOCK(dd_grd_curcanv));
1645
1646                 nm_draw_background(x-BOX_BORDER/2,y-BOX_BORDER/2,x+w+BOX_BORDER/2-1,y+h+BOX_BORDER/2-1);
1647
1648                 gr_set_fontcolor( gr_getcolor(31, 31, 31), -1 );
1649
1650         WIN( DDGRLOCK(dd_grd_curcanv));
1651                 gr_ustring( 0x8000, y, msg );
1652         WIN( DDGRUNLOCK(dd_grd_curcanv));
1653         WIN( DDGRRESTORE);
1654 }
1655
1656 void clear_boxed_message()
1657 {
1658
1659         if (bg.bmp) {
1660
1661                 WIN(DDGRLOCK(dd_grd_curcanv));
1662                         gr_bitmap(bg.x-BOX_BORDER/2, bg.y-BOX_BORDER/2, bg.bmp);
1663                 WIN(DDGRUNLOCK(dd_grd_curcanv));
1664                 WIN(DDGRRESTORE);
1665
1666                 gr_free_bitmap(bg.bmp);
1667                 bg.bmp = NULL;
1668         }
1669 }
1670
1671
1672 #ifdef WINDOWS
1673 void win_do_emul_ibitblt(dd_grs_canvas *csrc, dd_grs_canvas *cdest)
1674 {
1675         ubyte *src_data;
1676         ubyte *dest_data;
1677         int line, span;
1678
1679
1680         WIN(DDGRLOCK(csrc));
1681         WIN(DDGRLOCK(cdest));
1682                 src_data = csrc->canvas.cv_bitmap.bm_data;
1683                 dest_data = cdest->canvas.cv_bitmap.bm_data;
1684
1685 //              mprintf((0, "Render Ptr: %x;  Dest Ptr: %x;\n",src_data, dest_data));
1686
1687                 for (line = 0; line < 480; line++,
1688                                                 dest_data += cdest->canvas.cv_bitmap.bm_rowsize)
1689                 {
1690                         cockpit_span_line *sline;
1691
1692                         sline = &win_cockpit_mask[line];
1693
1694                         if (!sline->num) continue;
1695                         if (sline->num == 255) break;
1696                         for (span = 0; span < sline->num; span++)
1697                         {
1698                                 if ((sline->span[span].xmax-sline->span[span].xmin+1) < 10) {
1699                                         gr_winckpit_blt_span(sline->span[span].xmin,
1700                                                                                 sline->span[span].xmax,
1701                                                                                 src_data, dest_data);
1702                                 }
1703                                 else {
1704                                         gr_winckpit_blt_span_long(sline->span[span].xmin,
1705                                                                                 sline->span[span].xmax,
1706                                                                                 src_data, dest_data);
1707                                 }
1708                         }
1709                         src_data += csrc->canvas.cv_bitmap.bm_rowsize;
1710                 }
1711         WIN(DDGRUNLOCK(cdest));
1712         WIN(DDGRUNLOCK(csrc));
1713 }
1714
1715
1716 //@@void win_do_emul_ibitblt(dd_grs_canvas *csrc, dd_grs_canvas *cdest)
1717 //@@{
1718 //@@    HRESULT res;
1719 //@@    DDBLTFX bltfx;
1720 //@@    RECT srect, drect;
1721 //@@
1722 //@@//  Do Render Blt to Mask Surface (dest blt 1-255)
1723 //@@    bltfx.dwSize = sizeof(bltfx);
1724 //@@    bltfx.ddckDestColorkey.dwColorSpaceLowValue = 1;
1725 //@@    bltfx.ddckDestColorkey.dwColorSpaceHighValue = 255;
1726 //@@    SetRect(&srect, 0,0,    csrc->canvas.cv_w, csrc->canvas.cv_h);
1727 //@@    SetRect(&drect, 0,0,    csrc->canvas.cv_w, csrc->canvas.cv_h);
1728 //@@
1729 //@@    res = IDirectDrawSurface_Blt(_lpDDSMask, &drect, csrc->lpdds, &srect,
1730 //@@                                                                            DDBLT_WAIT | DDBLT_KEYDESTOVERRIDE,
1731 //@@                                                                            &bltfx);
1732 //@@    if (res != DD_OK)
1733 //@@            Error("win_ibitblt: ddraw blt to mask err: %x.\n", res);
1734 //@@
1735 //@@//  Do Mask Blt to Screen (src blt !0)
1736 //@@    bltfx.dwSize = sizeof(bltfx);
1737 //@@    bltfx.ddckSrcColorkey.dwColorSpaceLowValue = 0;
1738 //@@    bltfx.ddckSrcColorkey.dwColorSpaceHighValue = 0;
1739 //@@
1740 //@@    res = IDirectDrawSurface_Blt(cdest->lpdds, &drect, _lpDDSMask, &srect,
1741 //@@                                                                            DDBLT_WAIT | DDBLT_KEYSRCOVERRIDE,
1742 //@@                                                                            NULL);
1743 //@@    if (res != DD_OK)
1744 //@@            Error("win_ibitblt: ddraw blt to screen err: %x.\n", res);
1745 //@@}
1746 #endif
1747