main/titles.c

   1 /* $Id: titles.c,v 1.10 2002-08-23 10:43:11 btb 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 #ifdef HAVE_CONFIG_H
  16 #include <conf.h>
  17 #endif
  18
  19 #define ROBOT_MOVIES
  20
  21 #ifdef WINDOWS
  22 #include "desw.h"
  23 #endif
  24
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28
  29 #ifdef MACINTOSH
  30 #include <Events.h>
  31 #endif
  32
  33 #include "pa_enabl.h"                   //$$POLY_ACC
  34 #include "pstypes.h"
  35 #include "timer.h"
  36 #include "key.h"
  37 #include "gr.h"
  38 #include "palette.h"
  39 #include "iff.h"
  40 #include "pcx.h"
  41 #include "u_mem.h"
  42 #include "joy.h"
  43 #include "mono.h"
  44 #include "gamefont.h"
  45 #include "cfile.h"
  46 #include "error.h"
  47 #include "polyobj.h"
  48 #include "textures.h"
  49 #include "screens.h"
  50 #include "multi.h"
  51 #include "player.h"
  52 #include "digi.h"
  53 #include "compbit.h"
  54 #include "text.h"
  55 #include "kmatrix.h"
  56 #include "piggy.h"
  57 #include "songs.h"
  58 #include "newmenu.h"
  59 #include "state.h"
  60 #ifdef ROBOT_MOVIES
  61 #include "movie.h"
  62 #endif
  63 #include "menu.h"
  64
  65 #if defined(POLY_ACC)
  66 #include "poly_acc.h"
  67 #endif
  68
  69 #ifdef ROBOT_MOVIES
  70 extern void RotateRobot();
  71 #endif
  72
  73 void DoBriefingColorStuff ();
  74 int get_new_message_num(char **message);
  75 int DefineBriefingBox (char **buf);
  76
  77 extern unsigned RobSX,RobSY,RobDX,RobDY; // Robot movie coords
  78
  79 extern int MVEPaletteCalls;
  80
  81 ubyte New_pal[768];
  82 int     New_pal_254_bash;
  83
  84 char CurBriefScreenName[15]="brief03.pcx";
  85 char    * Briefing_text;
  86 #ifdef ROBOT_MOVIES
  87 char RobotPlaying=0;
  88 #endif
  89
  90 #define MAX_BRIEFING_COLORS     3
  91
  92 #define SHAREWARE_ENDING_FILENAME       "ending.tex"
  93
  94 //      Can be set by -noscreens command line option.  Causes bypassing of all briefing screens.
  95 int     Skip_briefing_screens=0;
  96 int     Briefing_foreground_colors[MAX_BRIEFING_COLORS], Briefing_background_colors[MAX_BRIEFING_COLORS];
  97 int     Current_color = 0;
  98 int     Erase_color;
  99
 100 extern int check_button_press();
 101
 102 #ifdef MACINTOSH
 103 extern void macintosh_quit(void);
 104 #endif
 105
 106 #ifndef ROBOT_MOVIES
 107 static int rescale_x(int x)
 108 {
 109         return x * GWIDTH / 320;
 110 }
 111
 112 static int rescale_y(int y)
 113 {
 114         return y * GHEIGHT / 200;
 115 }
 116 #endif
 117
 118 #ifndef MACINTOSH
 119 int local_key_inkey(void)
 120 {
 121         int     rval;
 122
 123 #ifdef WINDOWS
 124         MSG msg;
 125
 126         DoMessageStuff(&msg);
 127 #endif
 128
 129         rval = key_inkey();
 130
 131         if (rval == KEY_PRINT_SCREEN) {
 132                 #ifdef POLY_ACC
 133 #ifdef ROBOT_MOVIES
 134                 if (RobotPlaying) {
 135                         gr_palette_read(gr_palette);
 136                         gr_copy_palette(gr_palette,gr_palette,0);       //reset color lookup cache
 137                 }
 138 #endif
 139                 #endif
 140                 save_screen_shot(0);
 141                 return 0;                               //say no key pressed
 142         }
 143
 144         if (check_button_press())               //joystick or mouse button pressed?
 145                 rval = KEY_SPACEBAR;
 146
 147         #ifdef MACINTOSH
 148         if ( rval == KEY_Q+KEY_COMMAND )
 149                 macintosh_quit();
 150         #endif
 151
 152         return rval;
 153 }
 154 #else
 155 int local_key_inkey(void)
 156 {
 157         EventRecord event;
 158         int     rval;
 159
 160         if (!GetOSEvent(everyEvent, &event))
 161                 return 0;
 162
 163         if (event.what != keyDown)
 164                 return 0;
 165
 166         rval = (int)((event.message & keyCodeMask) >> 8);
 167
 168         if (rval == KEY_PRINT_SCREEN) {
 169                 save_screen_shot(0);
 170                 return 0;                               //say no key pressed
 171         }
 172
 173         if (check_button_press())               //joystick or mouse button pressed?
 174                 rval = KEY_SPACEBAR;
 175
 176         #ifdef MACINTOSH
 177         if ( rval == KEY_Q+KEY_COMMAND )
 178                 macintosh_quit();
 179         #endif
 180
 181         return rval;
 182 }
 183 #endif
 184
 185 int show_title_screen( char * filename, int allow_keys, int from_hog_only )
 186 {
 187         fix timer;
 188         int pcx_error;
 189         grs_bitmap title_bm;
 190         ubyte   palette_save[768];
 191         char new_filename[FILENAME_LEN+1] = "";
 192
 193         #ifdef RELEASE
 194         if (from_hog_only)
 195                 strcpy(new_filename,"\x01");    //only read from hog file
 196         #endif
 197
 198         strcat(new_filename,filename);
 199         filename = new_filename;
 200
 201         title_bm.bm_data=NULL;
 202         if ((pcx_error=pcx_read_bitmap( filename, &title_bm, BM_LINEAR, New_pal ))!=PCX_ERROR_NONE)     {
 203                 printf( "File '%s', PCX load error: %s (%i)\n  (No big deal, just no title screen.)\n",filename, pcx_errormsg(pcx_error), pcx_error);
 204                 mprintf((0, "File '%s', PCX load error: %s (%i)\n  (No big deal, just no title screen.)\n",filename, pcx_errormsg(pcx_error), pcx_error));
 205                 Error( "Error loading briefing screen <%s>, PCX load error: %s (%i)\n",filename, pcx_errormsg(pcx_error), pcx_error);
 206         }
 207
 208         memcpy(palette_save,gr_palette,sizeof(palette_save));
 209
 210 #if defined(POLY_ACC)
 211     pa_save_clut();
 212     pa_update_clut(New_pal, 0, 256, 0);
 213 #endif
 214
 215         //vfx_set_palette_sub( New_pal );
 216 #ifdef OGL
 217         gr_palette_load( New_pal );
 218 #else
 219         gr_palette_clear();
 220 #endif
 221
 222         WINDOS(
 223                 dd_gr_set_current_canvas(NULL),
 224                 gr_set_current_canvas( NULL )
 225         );
 226         WIN(DDGRLOCK(dd_grd_curcanv));
 227         show_fullscr(&title_bm);
 228         WIN(DDGRUNLOCK(dd_grd_curcanv));
 229
 230         WIN(DDGRRESTORE);
 231
 232 #if defined(POLY_ACC)
 233     pa_restore_clut();
 234 #endif
 235
 236         if (gr_palette_fade_in( New_pal, 32, allow_keys ))
 237                 return 1;
 238         gr_copy_palette(gr_palette, New_pal, sizeof(gr_palette));
 239
 240         gr_palette_load( New_pal );
 241         timer   = timer_get_fixed_seconds() + i2f(3);
 242         while (1)       {
 243                 if ( local_key_inkey() && allow_keys ) break;
 244                 if ( timer_get_fixed_seconds() > timer ) break;
 245         }
 246         if (gr_palette_fade_out( New_pal, 32, allow_keys ))
 247                 return 1;
 248         gr_copy_palette(gr_palette, palette_save, sizeof(palette_save));
 249         d_free(title_bm.bm_data);
 250         return 0;
 251 }
 252
 253 typedef struct {
 254         char    bs_name[14];                                            //      filename, eg merc01.  Assumes .lbm suffix.
 255         byte    level_num;
 256         byte    message_num;
 257         short   text_ulx, text_uly;                     //      upper left x,y of text window
 258         short   text_width, text_height;        //      width and height of text window
 259 } briefing_screen;
 260
 261 #define BRIEFING_SECRET_NUM     31                      //      This must correspond to the first secret level which must come at the end of the list.
 262 #define BRIEFING_OFFSET_NUM     4                       // This must correspond to the first level screen (ie, past the bald guy briefing screens)
 263
 264 #define SHAREWARE_ENDING_LEVEL_NUM  0x7f
 265 #define REGISTERED_ENDING_LEVEL_NUM 0x7e
 266
 267 #ifdef SHAREWARE
 268 #define ENDING_LEVEL_NUM        SHAREWARE_ENDING_LEVEL_NUM
 269 #else
 270 #define ENDING_LEVEL_NUM        REGISTERED_ENDING_LEVEL_NUM
 271 #endif
 272
 273 #define MAX_BRIEFING_SCREENS 60
 274
 275 briefing_screen Briefing_screens[MAX_BRIEFING_SCREENS]=
 276  {{"brief03.pcx",0,3,8,8,257,177}}; // default=0!!!
 277
 278 int     Briefing_text_x, Briefing_text_y;
 279
 280 void init_char_pos(int x, int y)
 281 {
 282         Briefing_text_x = x;
 283         Briefing_text_y = y;
 284    mprintf ((0,"Setting init x=%d y=%d\n",x,y));
 285 }
 286
 287 grs_canvas      *Robot_canv = NULL;
 288 vms_angvec      Robot_angles;
 289
 290 char    Bitmap_name[32] = "";
 291 #define EXIT_DOOR_MAX   14
 292 #define OTHER_THING_MAX 10              //      Adam: This is the number of frames in your new animating thing.
 293 #define DOOR_DIV_INIT   6
 294 byte    Door_dir=1, Door_div_count=0, Animating_bitmap_type=0;
 295
 296 //      -----------------------------------------------------------------------------
 297 void show_bitmap_frame(void)
 298 {
 299 #ifdef WINDOWS
 300         dd_grs_canvas *curcanv_save, *bitmap_canv=0;
 301 #else
 302         grs_canvas      *curcanv_save, *bitmap_canv=0;
 303 #endif
 304
 305         grs_bitmap      *bitmap_ptr;
 306
 307         //      Only plot every nth frame.
 308         if (Door_div_count) {
 309                 Door_div_count--;
 310                 return;
 311         }
 312
 313         Door_div_count = DOOR_DIV_INIT;
 314
 315         if (Bitmap_name[0] != 0) {
 316                 char            *pound_signp;
 317                 int             num, dig1, dig2;
 318
 319                 //      Set supertransparency color to black
 320                 if (!New_pal_254_bash) {
 321                         New_pal_254_bash = 1;
 322                         New_pal[254*3] = 0;
 323                         New_pal[254*3+1] = 0;
 324                         New_pal[254*3+2] = 0;
 325                         gr_palette_load( New_pal );
 326                 }
 327
 328                 switch (Animating_bitmap_type) {
 329                         case 0:
 330                         WINDOS(
 331                                 bitmap_canv = dd_gr_create_sub_canvas(dd_grd_curcanv, 220, 45, 64, 64); break,
 332                                 bitmap_canv = gr_create_sub_canvas(grd_curcanv, 220, 45, 64, 64);       break
 333                         );
 334                         case 1:
 335                         WINDOS(
 336                                 bitmap_canv = dd_gr_create_sub_canvas(dd_grd_curcanv, 220, 45, 94, 94); break,
 337                                 bitmap_canv = gr_create_sub_canvas(grd_curcanv, 220, 45, 94, 94);       break
 338                         );
 339
 340                         //      Adam: Change here for your new animating bitmap thing. 94, 94 are bitmap size.
 341                         default:        Int3(); //      Impossible, illegal value for Animating_bitmap_type
 342                 }
 343
 344                 WINDOS(
 345                         curcanv_save = dd_grd_curcanv; dd_grd_curcanv = bitmap_canv,
 346                         curcanv_save = grd_curcanv; grd_curcanv = bitmap_canv
 347                 );
 348
 349                 pound_signp = strchr(Bitmap_name, '#');
 350                 Assert(pound_signp != NULL);
 351
 352                 dig1 = *(pound_signp+1);
 353                 dig2 = *(pound_signp+2);
 354                 if (dig2 == 0)
 355                         num = dig1-'0';
 356                 else
 357                         num = (dig1-'0')*10 + (dig2-'0');
 358
 359                 switch (Animating_bitmap_type) {
 360                         case 0:
 361                                 num += Door_dir;
 362                                 if (num > EXIT_DOOR_MAX) {
 363                                         num = EXIT_DOOR_MAX;
 364                                         Door_dir = -1;
 365                                 } else if (num < 0) {
 366                                         num = 0;
 367                                         Door_dir = 1;
 368                                 }
 369                                 break;
 370                         case 1:
 371                                 num++;
 372                                 if (num > OTHER_THING_MAX)
 373                                         num = 0;
 374                                 break;
 375                 }
 376
 377                 Assert(num < 100);
 378                 if (num >= 10) {
 379                         *(pound_signp+1) = (num / 10) + '0';
 380                         *(pound_signp+2) = (num % 10) + '0';
 381                         *(pound_signp+3) = 0;
 382                 } else {
 383                         *(pound_signp+1) = (num % 10) + '0';
 384                         *(pound_signp+2) = 0;
 385                 }
 386
 387                 {
 388                         bitmap_index bi;
 389                         bi = piggy_find_bitmap(Bitmap_name);
 390                         bitmap_ptr = &GameBitmaps[bi.index];
 391                         PIGGY_PAGE_IN( bi );
 392                 }
 393
 394                 WIN(DDGRLOCK(dd_grd_curcanv));
 395                 gr_bitmapm(0, 0, bitmap_ptr);
 396                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 397
 398                 WINDOS(
 399                         dd_grd_curcanv = curcanv_save,
 400                         grd_curcanv = curcanv_save
 401                 );
 402                 d_free(bitmap_canv);
 403
 404                 switch (Animating_bitmap_type) {
 405                         case 0:
 406                                 if (num == EXIT_DOOR_MAX) {
 407                                         Door_dir = -1;
 408                                         Door_div_count = 64;
 409                                 } else if (num == 0) {
 410                                         Door_dir = 1;
 411                                         Door_div_count = 64;
 412                                 }
 413                                 break;
 414                         case 1:
 415                                 break;
 416                 }
 417         }
 418
 419 }
 420
 421 //      -----------------------------------------------------------------------------
 422 void show_briefing_bitmap(grs_bitmap *bmp)
 423 {
 424 #ifdef WINDOWS
 425         dd_grs_canvas *bitmap_canv, *curcanv_save;
 426
 427         bitmap_canv = dd_gr_create_sub_canvas(dd_grd_curcanv, 220, 45, bmp->bm_w, bmp->bm_h);
 428         curcanv_save = dd_grd_curcanv;
 429         dd_gr_set_current_canvas(bitmap_canv);
 430         DDGRLOCK(dd_grd_curcanv);
 431         gr_bitmapm(0,0,bmp);
 432         DDGRUNLOCK(dd_grd_curcanv);
 433         dd_gr_set_current_canvas(curcanv_save);
 434 #else
 435         grs_canvas      *curcanv_save, *bitmap_canv;
 436
 437         bitmap_canv = gr_create_sub_canvas(grd_curcanv, 220, 45, bmp->bm_w, bmp->bm_h);
 438         curcanv_save = grd_curcanv;
 439         gr_set_current_canvas(bitmap_canv);
 440         gr_bitmapm(0, 0, bmp);
 441         gr_set_current_canvas(curcanv_save);
 442 #endif
 443
 444         d_free(bitmap_canv);
 445 }
 446
 447 #ifndef ROBOT_MOVIES //WINDOWS
 448 //      -----------------------------------------------------------------------------
 449 void show_spinning_robot_frame(int robot_num)
 450 {
 451         grs_canvas      *curcanv_save;
 452
 453         if (robot_num != -1) {
 454                 Robot_angles.h += 150;
 455
 456                 curcanv_save = grd_curcanv;
 457                 grd_curcanv = Robot_canv;
 458                 Assert(Robot_info[robot_num].model_num != -1);
 459                 draw_model_picture(Robot_info[robot_num].model_num, &Robot_angles);
 460                 grd_curcanv = curcanv_save;
 461         }
 462
 463 }
 464
 465 //  -----------------------------------------------------------------------------
 466 void init_spinning_robot(void) //(int x,int y,int w,int h)
 467  {
 468 #if 0
 469         Robot_angles.p += 0;
 470         Robot_angles.b += 0;
 471         Robot_angles.h += 0;
 472
 473 #else
 474         int x = rescale_x(138);
 475         int y = rescale_y(55);
 476         int w = rescale_x(166);
 477         int h = rescale_y(138);
 478 #endif
 479
 480         Robot_canv = gr_create_sub_canvas(grd_curcanv, x, y, w, h);
 481         // 138, 55, 166, 138
 482  }
 483 #endif
 484
 485 //      ---------------------------------------------------------------------------
 486 //      Returns char width.
 487 //      If show_robot_flag set, then show a frame of the spinning robot.
 488 int show_char_delay(char the_char, int delay, int robot_num, int cursor_flag)
 489 {
 490         int     w, h, aw;
 491         char    message[2];
 492         static fix      start_time=0;
 493
 494         robot_num=0;
 495         message[0] = the_char;
 496         message[1] = 0;
 497
 498         if (start_time==0 && timer_get_fixed_seconds()<0)
 499                 start_time=timer_get_fixed_seconds();
 500
 501         gr_get_string_size(message, &w, &h, &aw );
 502
 503         Assert((Current_color >= 0) && (Current_color < MAX_BRIEFING_COLORS));
 504
 505         //      Draw cursor if there is some delay and caller says to draw cursor
 506         if (cursor_flag && delay) {
 507                 WIN(DDGRLOCK(dd_grd_curcanv));
 508                 gr_set_fontcolor(Briefing_foreground_colors[Current_color], -1);
 509                 gr_printf(Briefing_text_x+1, Briefing_text_y, "_" );
 510                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 511         }
 512
 513         if (delay)
 514                 delay=fixdiv (F1_0,i2f(15));
 515
 516         if (delay != 0)
 517                 show_bitmap_frame();
 518
 519 #ifdef ROBOT_MOVIES
 520         if (RobotPlaying && (delay != 0))
 521                 RotateRobot();
 522
 523         while (timer_get_fixed_seconds() < (start_time + delay)) {
 524                 if (RobotPlaying && delay != 0)
 525                         RotateRobot();
 526         }
 527 #else
 528         if (robot_num != -1)
 529                 show_spinning_robot_frame(robot_num);
 530 #endif
 531
 532         start_time = timer_get_fixed_seconds();
 533
 534         WIN(DDGRLOCK(dd_grd_curcanv));
 535         //      Erase cursor
 536         if (cursor_flag && delay) {
 537                 gr_set_fontcolor(Erase_color, -1);
 538                 gr_printf(Briefing_text_x+1, Briefing_text_y, "_" );
 539         }
 540
 541         //      Draw the character
 542         gr_set_fontcolor(Briefing_background_colors[Current_color], -1);
 543         gr_printf(Briefing_text_x, Briefing_text_y, message );
 544
 545         gr_set_fontcolor(Briefing_foreground_colors[Current_color], -1);
 546         gr_printf(Briefing_text_x+1, Briefing_text_y, message );
 547         WIN(DDGRUNLOCK(dd_grd_curcanv));
 548
 549         gr_update();
 550
 551 //      if (the_char != ' ')
 552 //              if (!digi_is_sound_playing(SOUND_MARKER_HIT))
 553 //                      digi_play_sample( SOUND_MARKER_HIT, F1_0 );
 554
 555         return w;
 556 }
 557
 558 //      -----------------------------------------------------------------------------
 559 int load_briefing_screen( int screen_num )
 560 {
 561         int     pcx_error;
 562
 563         WIN(DDGRLOCK(dd_grd_curcanv));
 564         if ((pcx_error=pcx_read_fullscr( CurBriefScreenName, New_pal ))!=PCX_ERROR_NONE) {
 565                 printf( "File '%s', PCX load error: %s\n  (It's a briefing screen.  Does this cause you pain?)\n",Briefing_screens[screen_num].bs_name, pcx_errormsg(pcx_error));
 566                 printf( "File '%s', PCX load error: %s (%i)\n  (It's a briefing screen.  Does this cause you pain?)\n",Briefing_screens[screen_num].bs_name, pcx_errormsg(pcx_error), pcx_error);
 567                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 568                 Error( "Error loading briefing screen <%s>, PCX load error: %s (%i)\n",CurBriefScreenName, pcx_errormsg(pcx_error), pcx_error);
 569         }
 570         WIN(DDGRUNLOCK(dd_grd_curcanv));
 571
 572         WIN(DDGRRESTORE);
 573
 574         return 0;
 575 }
 576
 577 int load_new_briefing_screen( char *fname )
 578 {
 579         int pcx_error;
 580
 581         mprintf ((0,"Loading new briefing %s!\n",fname));
 582         strcpy (CurBriefScreenName,fname);
 583
 584         //WIN(DEFINE_SCREEN(CurBriefScreenName));
 585
 586         if (gr_palette_fade_out( New_pal, 32, 0 ))
 587                 return 0;
 588
 589         WIN(DDGRLOCK(dd_grd_curcanv));
 590         if ((pcx_error=pcx_read_fullscr( fname, New_pal ))!=PCX_ERROR_NONE)     {
 591                 printf( "File '%s', PCX load error: %s (%i)\n  (It's a briefing screen.  Does this cause you pain?)\n",fname, pcx_errormsg(pcx_error), pcx_error);
 592                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 593                 Error( "Error loading briefing screen <%s>, PCX load error: %s (%i)\n",fname, pcx_errormsg(pcx_error), pcx_error);
 594         }
 595         WIN(DDGRUNLOCK(dd_grd_curcanv));
 596
 597         WIN(DDGRRESTORE);
 598
 599         gr_copy_palette(gr_palette, New_pal, sizeof(gr_palette));
 600
 601         if (gr_palette_fade_in( New_pal, 32, 0 ))
 602                 return 0;
 603         DoBriefingColorStuff();
 604
 605         return 1;
 606 }
 607
 608
 609
 610 #define KEY_DELAY_DEFAULT       ((F1_0*20)/1000)
 611
 612 //      -----------------------------------------------------------------------------
 613 int get_message_num(char **message)
 614 {
 615         int     num=0;
 616
 617         while (**message == ' ')
 618                 (*message)++;
 619
 620         while ((**message >= '0') && (**message <= '9')) {
 621                 num = 10*num + **message-'0';
 622                 (*message)++;
 623         }
 624
 625         while (*(*message)++ != 10)             //      Get and drop eoln
 626                 ;
 627
 628         return num;
 629 }
 630
 631 //      -----------------------------------------------------------------------------
 632 void get_message_name(char **message, char *result)
 633 {
 634         while (**message == ' ')
 635                 (*message)++;
 636
 637         while ((**message != ' ') && (**message != 10)) {
 638                 if (**message != '\n')
 639                         *result++ = **message;
 640                 (*message)++;
 641         }
 642
 643         if (**message != 10)
 644                 while (*(*message)++ != 10)             //      Get and drop eoln
 645                         ;
 646
 647         *result = 0;
 648 }
 649
 650 //      -----------------------------------------------------------------------------
 651 void flash_cursor(int cursor_flag)
 652 {
 653         if (cursor_flag == 0)
 654                 return;
 655
 656 WIN(DDGRLOCK(dd_grd_curcanv));
 657         if ((timer_get_fixed_seconds() % (F1_0/2) ) > (F1_0/4))
 658                 gr_set_fontcolor(Briefing_foreground_colors[Current_color], -1);
 659         else
 660                 gr_set_fontcolor(Erase_color, -1);
 661
 662         gr_printf(Briefing_text_x+1, Briefing_text_y, "_" );
 663 WIN(DDGRUNLOCK(dd_grd_curcanv));
 664 }
 665
 666 extern int InitMovieBriefing();
 667
 668 //      -----------------------------------------------------------------------------
 669 //      Return true if message got aborted by user (pressed ESC), else return false.
 670 int show_briefing_message(int screen_num, char *message)
 671 {
 672         int     prev_ch=-1;
 673         int     ch, done=0,i;
 674         briefing_screen *bsp = &Briefing_screens[screen_num];
 675         int     delay_count = KEY_DELAY_DEFAULT;
 676         int     key_check;
 677         int     robot_num=-1;
 678         int     rval=0;
 679         static int tab_stop=0;
 680         int     flashing_cursor=0;
 681         int     new_page=0,GotZ=0;
 682 #ifdef ROBOT_MOVIES
 683         char *spinRobotName="rba.mve",kludge;  // matt don't change this!
 684 #endif
 685         char fname[15];
 686         char DumbAdjust=0;
 687         char chattering=0;
 688         int hum_channel=-1,printing_channel=-1;
 689         int LineAdjustment=1;
 690         WIN(int wpage_done=0);
 691
 692         Bitmap_name[0] = 0;
 693         Current_color = 0;
 694 #ifdef ROBOT_MOVIES
 695         RobotPlaying=0;
 696
 697         InitMovieBriefing();
 698 #endif
 699
 700         #ifndef SHAREWARE
 701         hum_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_HUM), F1_0/2, 0xFFFF/2, 1, -1, -1, -1 );
 702         #endif
 703
 704         // mprintf((0, "Going to print message [%s] at x=%i, y=%i\n", message, x, y));
 705         gr_set_curfont( GAME_FONT );
 706
 707         bsp=&Briefing_screens[0];
 708         init_char_pos(bsp->text_ulx, bsp->text_uly-(8*(1+MenuHires)));
 709
 710         while (!done) {
 711                 ch = *message++;
 712                 if (ch == '$') {
 713                         ch = *message++;
 714                         if (ch=='D') {
 715                                 screen_num=DefineBriefingBox (&message);
 716                         //load_new_briefing_screen (Briefing_screens[screen_num].bs_name);
 717
 718                                 bsp = &Briefing_screens[screen_num];
 719                                 init_char_pos(bsp->text_ulx, bsp->text_uly);
 720                                 //LineAdjustment=0;
 721                                 prev_ch = 10;                                   // read to eoln
 722                         } else if (ch=='U') {
 723                                 screen_num=get_message_num(&message);
 724                                 bsp = &Briefing_screens[screen_num];
 725                                 init_char_pos(bsp->text_ulx, bsp->text_uly);
 726                                 prev_ch = 10;                                   // read to eoln
 727                         } else if (ch == 'C') {
 728                                 Current_color = get_message_num(&message)-1;
 729                                 Assert((Current_color >= 0) && (Current_color < MAX_BRIEFING_COLORS));
 730                                 prev_ch = 10;
 731                         } else if (ch == 'F') {     // toggle flashing cursor
 732                                 flashing_cursor = !flashing_cursor;
 733                                 prev_ch = 10;
 734                                 while (*message++ != 10)
 735                                         ;
 736                         } else if (ch == 'T') {
 737                                 tab_stop = get_message_num(&message);
 738                                 tab_stop*=(1+MenuHires);
 739                                 prev_ch = 10;                                                   //      read to eoln
 740                         } else if (ch == 'R') {
 741                                 if (Robot_canv != NULL) {
 742                                         d_free(Robot_canv);
 743                                         Robot_canv=NULL;
 744                                 }
 745 #ifdef ROBOT_MOVIES
 746                                 if (RobotPlaying) {
 747                                         DeInitRobotMovie();
 748                                         RobotPlaying=0;
 749                                 }
 750
 751                                 kludge=*message++;
 752                                 spinRobotName[2]=kludge; // ugly but proud
 753
 754                                 RobotPlaying=InitRobotMovie(spinRobotName);
 755
 756                                 // gr_remap_bitmap_good( &grd_curcanv->cv_bitmap, pal, -1, -1 );
 757
 758                                 if (RobotPlaying) {
 759                                         DoBriefingColorStuff ();
 760                                         mprintf ((0,"Robot playing is %d!!!",RobotPlaying));
 761                                 }
 762 #else
 763                                 init_spinning_robot();
 764                                 robot_num = get_message_num(&message);
 765 #endif
 766                                 prev_ch = 10;                           // read to eoln
 767                         } else if (ch == 'N') {
 768                                 //--grs_bitmap *bitmap_ptr;
 769                                 if (Robot_canv != NULL) {
 770                                         d_free(Robot_canv);
 771                                         Robot_canv=NULL;
 772                                 }
 773
 774                                 get_message_name(&message, Bitmap_name);
 775                                 strcat(Bitmap_name, "#0");
 776                                 Animating_bitmap_type = 0;
 777                                 prev_ch = 10;
 778                         } else if (ch == 'O') {
 779                                 if (Robot_canv != NULL) {
 780                                                 d_free(Robot_canv);
 781                                                 Robot_canv=NULL;
 782                                 }
 783
 784                                 get_message_name(&message, Bitmap_name);
 785                                 strcat(Bitmap_name, "#0");
 786                                 Animating_bitmap_type = 1;
 787                                 prev_ch = 10;
 788                         } else if (ch=='A') {
 789                                 LineAdjustment=1-LineAdjustment;
 790                         } else if (ch=='Z') {
 791                                 mprintf ((0,"Got a Z!\n"));
 792                                 GotZ=1;
 793 #if defined (D2_OEM) || defined(COMPILATION) || (defined(MACINTOSH) && defined(SHAREWARE))
 794                                 DumbAdjust=1;
 795 #else
 796                                 if (LineAdjustment==1)
 797                                         DumbAdjust=1;
 798                                 else
 799                                         DumbAdjust=2;
 800 #endif
 801
 802                                 i=0;
 803                                 while ((fname[i]=*message) != '\n') {
 804                                         i++;
 805                                         message++;
 806                                 }
 807                                 fname[i]=0;
 808
 809                                 if (MenuHires) {
 810                                         char fname2[15];
 811
 812                                         i=0;
 813                                         while (fname[i]!='.')
 814                                                 fname2[i] = fname[i++];
 815 #ifndef SHAREWARE
 816                                         fname2[i++]='b';
 817 #endif
 818                                         fname2[i++]='.';
 819                                         fname2[i++]='p';
 820                                         fname2[i++]='c';
 821                                         fname2[i++]='x';
 822                                         fname2[i++]=0;
 823
 824                                         load_new_briefing_screen (cfexist(fname2)?fname2:fname);
 825                                 } else
 826                                         load_new_briefing_screen (fname);
 827
 828                                 //load_new_briefing_screen (MenuHires?"end01b.pcx":"end01.pcx");
 829
 830                         } else if (ch == 'B') {
 831                                 char        bitmap_name[32];
 832                                 grs_bitmap  guy_bitmap;
 833                                 ubyte       temp_palette[768];
 834                                 int         iff_error;
 835
 836                                 if (Robot_canv != NULL) {
 837                                         d_free(Robot_canv);
 838                                         Robot_canv=NULL;
 839                                 }
 840
 841                                 get_message_name(&message, bitmap_name);
 842                                 strcat(bitmap_name, ".bbm");
 843                                 guy_bitmap.bm_data = NULL;
 844                                 iff_error = iff_read_bitmap(bitmap_name, &guy_bitmap, BM_LINEAR, temp_palette);
 845                                 Assert(iff_error == IFF_NO_ERROR);
 846                                 gr_remap_bitmap_good( &guy_bitmap, temp_palette, -1, -1 );
 847
 848                                 show_briefing_bitmap(&guy_bitmap);
 849                                 d_free(guy_bitmap.bm_data);
 850                                 prev_ch = 10;
 851 //                      } else if (ch==EOF) {
 852 //                              done=1;
 853 //                      } else if (ch == 'B') {
 854 //                              if (Robot_canv != NULL) {
 855 //                                      d_free(Robot_canv);
 856 //                                      Robot_canv=NULL;
 857 //                              }
 858 //
 859 //                              bitmap_num = get_message_num(&message);
 860 //                              if (bitmap_num != -1)
 861 //                                      show_briefing_bitmap(Textures[bitmap_num]);
 862 //                              prev_ch = 10;                           // read to eoln
 863                         } else if (ch == 'S') {
 864                                 int keypress;
 865                                 fix start_time;
 866
 867                                 chattering=0;
 868                                 if (printing_channel>-1)
 869                                         digi_stop_sound( printing_channel );
 870                                 printing_channel=-1;
 871
 872 #ifdef WINDOWS
 873                                 if (!wpage_done) {
 874                                         DDGRRESTORE;
 875                                         wpage_done =1;
 876                                 }
 877 #endif
 878
 879                                 start_time = timer_get_fixed_seconds();
 880                                 while ( (keypress = local_key_inkey()) == 0 ) {         //      Wait for a key
 881 #ifdef WINDOWS
 882                                         if (_RedrawScreen) {
 883                                                 _RedrawScreen = FALSE;
 884                                                 hum_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_HUM), F1_0/2, 0xFFFF/2, 1, -1, -1, -1 );
 885                                                 keypress = KEY_ESC;
 886                                                 break;
 887                                         }
 888 #endif
 889
 890                                         while (timer_get_fixed_seconds() < start_time + KEY_DELAY_DEFAULT/2)
 891                                                 ;
 892                                         flash_cursor(flashing_cursor);
 893
 894 #ifdef ROBOT_MOVIES
 895                                         if (RobotPlaying)
 896                                                 RotateRobot ();
 897 #else
 898                                         show_spinning_robot_frame(robot_num);
 899 #endif
 900
 901                                         show_bitmap_frame();
 902                                         start_time += KEY_DELAY_DEFAULT/2;
 903                                 }
 904
 905 #ifndef NDEBUG
 906                                 if (keypress == KEY_BACKSP)
 907                                         Int3();
 908 #endif
 909                                 if (keypress == KEY_ESC)
 910                                         rval = 1;
 911
 912                                 flashing_cursor = 0;
 913                                 done = 1;
 914                                 WIN(wpage_done = 0);
 915                         } else if (ch == 'P') {         //      New page.
 916                                 if (!GotZ) {
 917                                         Int3(); // Hey ryan!!!! You gotta load a screen before you start
 918                                                 // printing to it! You know, $Z !!!
 919                                     load_new_briefing_screen (MenuHires?"end01b.pcx":"end01.pcx");
 920                                 }
 921
 922                                 new_page = 1;
 923                                 while (*message != 10) {
 924                                         message++;      //      drop carriage return after special escape sequence
 925                                 }
 926                                 message++;
 927                                 prev_ch = 10;
 928                         }
 929                 } else if (ch == '\t') {                //      Tab
 930                         if (Briefing_text_x - bsp->text_ulx < tab_stop)
 931                                 Briefing_text_x = bsp->text_ulx + tab_stop;
 932                 } else if ((ch == ';') && (prev_ch == 10)) {
 933                         while (*message++ != 10)
 934                                 ;
 935                         prev_ch = 10;
 936                 } else if (ch == '\\') {
 937                         prev_ch = ch;
 938                 } else if (ch == 10) {
 939                         if (prev_ch != '\\') {
 940                                 prev_ch = ch;
 941                                 if (DumbAdjust==0)
 942                                         Briefing_text_y += (8*(MenuHires+1));
 943                                 else
 944                                         DumbAdjust--;
 945                                 Briefing_text_x = bsp->text_ulx;
 946                                 if (Briefing_text_y > bsp->text_uly + bsp->text_height) {
 947                                         load_briefing_screen(screen_num);
 948                                         Briefing_text_x = bsp->text_ulx;
 949                                         Briefing_text_y = bsp->text_uly;
 950                                 }
 951                         } else {
 952                                 if (ch == 13)           //Can this happen? Above says ch==10
 953                                         Int3();
 954                                 prev_ch = ch;
 955                         }
 956
 957                 } else {
 958                         if (!GotZ) {
 959                                 Int3(); // Hey ryan!!!! You gotta load a screen before you start
 960                                         // printing to it! You know, $Z !!!
 961                                 load_new_briefing_screen (MenuHires?"end01b.pcx":"end01.pcx");
 962                         }
 963
 964                         prev_ch = ch;
 965
 966                         if (!chattering) {
 967                                 printing_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_PRINTING), F1_0, 0xFFFF/2, 1, -1, -1, -1 );
 968                                 chattering=1;
 969                         }
 970
 971                         WIN(if (GRMODEINFO(emul)) delay_count = 0);
 972
 973                         Briefing_text_x += show_char_delay(ch, delay_count, robot_num, flashing_cursor);
 974
 975                 }
 976
 977                 //      Check for Esc -> abort.
 978                 if (delay_count)
 979                         key_check = local_key_inkey();
 980                 else
 981                         key_check = 0;
 982
 983 #ifdef WINDOWS
 984                 if (_RedrawScreen) {
 985                         _RedrawScreen = FALSE;
 986                         hum_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_HUM), F1_0/2, 0xFFFF/2, 1, -1, -1, -1 );
 987                         key_check = KEY_ESC;
 988                 }
 989 #endif
 990                 if ( key_check == KEY_ESC ) {
 991                         rval = 1;
 992                         done = 1;
 993                 }
 994
 995                 if ((key_check == KEY_SPACEBAR) || (key_check == KEY_ENTER))
 996                         delay_count = 0;
 997
 998                 if (Briefing_text_x > bsp->text_ulx + bsp->text_width) {
 999                         Briefing_text_x = bsp->text_ulx;
1000                         Briefing_text_y += bsp->text_uly;
1001                 }
1002
1003                 if ((new_page) || (Briefing_text_y > bsp->text_uly + bsp->text_height)) {
1004                         fix     start_time = 0;
1005                         int     keypress;
1006
1007                         new_page = 0;
1008
1009                         if (printing_channel>-1)
1010                                 digi_stop_sound( printing_channel );
1011                         printing_channel=-1;
1012
1013                         chattering=0;
1014
1015 #ifdef WINDOWS
1016                         if (!wpage_done) {
1017                                 DDGRRESTORE;
1018                                 wpage_done =1;
1019                         }
1020 #endif
1021
1022                         start_time = timer_get_fixed_seconds();
1023                         while ( (keypress = local_key_inkey()) == 0 ) {         //      Wait for a key
1024 #ifdef WINDOWS
1025                                 if (_RedrawScreen) {
1026                                         _RedrawScreen = FALSE;
1027                                         hum_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_HUM), F1_0/2, 0xFFFF/2, 1, -1, -1, -1 );
1028                                         keypress = KEY_ESC;
1029                                         break;
1030                                 }
1031 #endif
1032
1033                                 while (timer_get_fixed_seconds() < start_time + KEY_DELAY_DEFAULT/2)
1034                                         ;
1035                                 flash_cursor(flashing_cursor);
1036 #ifdef ROBOT_MOVIES
1037                                 if (RobotPlaying)
1038                                         RotateRobot();
1039 #else
1040                                 show_spinning_robot_frame(robot_num);
1041 #endif
1042                                 show_bitmap_frame();
1043                                 start_time += KEY_DELAY_DEFAULT/2;
1044                         }
1045
1046 #ifdef ROBOT_MOVIES
1047                         if (RobotPlaying)
1048                                 DeInitRobotMovie();
1049                         RobotPlaying=0;
1050 #endif
1051                         robot_num = -1;
1052
1053 #ifndef NDEBUG
1054                         if (keypress == KEY_BACKSP)
1055                                 Int3();
1056 #endif
1057                         if (keypress == KEY_ESC) {
1058                                 rval = 1;
1059                                 done = 1;
1060                         }
1061
1062                         load_briefing_screen(screen_num);
1063                         Briefing_text_x = bsp->text_ulx;
1064                         Briefing_text_y = bsp->text_uly;
1065                         delay_count = KEY_DELAY_DEFAULT;
1066
1067                         WIN(wpage_done = 0);
1068                 }
1069         }
1070
1071 #ifdef ROBOT_MOVIES
1072         if (RobotPlaying) {
1073                 DeInitRobotMovie();
1074                 RobotPlaying=0;
1075         }
1076 #endif
1077
1078         if (Robot_canv != NULL)
1079                 {d_free(Robot_canv); Robot_canv=NULL;}
1080
1081         if (hum_channel>-1)
1082                 digi_stop_sound( hum_channel );
1083         if (printing_channel>-1)
1084                 digi_stop_sound( printing_channel );
1085
1086         return rval;
1087 }
1088
1089 //      -----------------------------------------------------------------------------
1090 //      Return a pointer to the start of text for screen #screen_num.
1091 char * get_briefing_message(int screen_num)
1092 {
1093         char    *tptr = Briefing_text;
1094         int     cur_screen=0;
1095         int     ch;
1096
1097         Assert(screen_num >= 0);
1098
1099         while ( (*tptr != 0 ) && (screen_num != cur_screen)) {
1100                 ch = *tptr++;
1101                 if (ch == '$') {
1102                         ch = *tptr++;
1103                         if (ch == 'S')
1104                                 cur_screen = get_message_num(&tptr);
1105                 }
1106         }
1107
1108    if (screen_num!=cur_screen)
1109          return (NULL);
1110
1111         return tptr;
1112 }
1113
1114 // -----------------------------------------------------------------------------
1115 //      Load Descent briefing text.
1116 int load_screen_text(char *filename, char **buf)
1117 {
1118         CFILE   *tfile;
1119         CFILE *ifile;
1120         int     len, i,x;
1121         int     have_binary = 0;
1122
1123         if ((tfile = cfopen(filename,"rb")) == NULL) {
1124                 char nfilename[30], *ptr;
1125
1126                 strcpy(nfilename, filename);
1127                 ptr = strrchr(nfilename, '.');
1128                 *ptr = '\0';
1129                 strcat(nfilename, ".txb");
1130                 if ((ifile = cfopen(nfilename, "rb")) == NULL)
1131                 {
1132                         mprintf ((0,"can't open %s!\n",nfilename));
1133                         return (0);
1134                         //Error("Cannot open file %s or %s", filename, nfilename);
1135                 }
1136
1137                 mprintf ((0,"reading...\n"));
1138                 have_binary = 1;
1139
1140                 len = cfilelength(ifile);
1141                 MALLOC(*buf, char, len+500);
1142       mprintf ((0,"len=%d\n",len));
1143                 for (x=0,i=0;i<len;i++,x++)
1144                  {
1145              cfread (*buf+x,1,1,ifile);
1146                 //  mprintf ((0,"%c",*(*buf+x)));
1147                   if (*(*buf+x)==13)
1148                         x--;
1149        }
1150
1151                 cfclose(ifile);
1152         } else {
1153                 len = cfilelength(tfile);
1154                 MALLOC(*buf, char, len+500);
1155                 for (x=0,i=0;i<len;i++,x++)
1156                  {
1157              cfread (*buf+x,1,1,tfile);
1158                  // mprintf ((0,"%c",*(*buf+x)));
1159                   if (*(*buf+x)==13)
1160                         x--;
1161        }
1162
1163
1164                 //cfread(*buf, 1, len, tfile);
1165                 cfclose(tfile);
1166         }
1167
1168         if (have_binary) {
1169                 char *ptr;
1170
1171                 for (i = 0, ptr = *buf; i < len; i++, ptr++) {
1172                         if (*ptr != '\n') {
1173                                 encode_rotate_left(ptr);
1174                                 *ptr = *ptr ^ BITMAP_TBL_XOR;
1175                                 encode_rotate_left(ptr);
1176                         }
1177                 }
1178         }
1179
1180  return (1);
1181 }
1182
1183 //-----------------------------------------------------------------------------
1184 // Return true if message got aborted, else return false.
1185 int show_briefing_text(int screen_num)
1186 {
1187         char    *message_ptr;
1188
1189         message_ptr = get_briefing_message(screen_num);
1190         if (message_ptr==NULL)
1191                 return (0);
1192
1193         DoBriefingColorStuff();
1194
1195         return show_briefing_message(screen_num, message_ptr);
1196 }
1197
1198 void DoBriefingColorStuff ()
1199 {
1200         Briefing_foreground_colors[0] = gr_find_closest_color_current( 0, 40, 0);
1201         Briefing_background_colors[0] = gr_find_closest_color_current( 0, 6, 0);
1202
1203         Briefing_foreground_colors[1] = gr_find_closest_color_current( 40, 33, 35);
1204         Briefing_background_colors[1] = gr_find_closest_color_current( 5, 5, 5);
1205
1206         Briefing_foreground_colors[2] = gr_find_closest_color_current( 8, 31, 54);
1207         Briefing_background_colors[2] = gr_find_closest_color_current( 1, 4, 7);
1208
1209         Erase_color = gr_find_closest_color_current(0, 0, 0);
1210 }
1211
1212 //-----------------------------------------------------------------------------
1213 // Return true if screen got aborted by user, else return false.
1214 int show_briefing_screen( int screen_num, int allow_keys)
1215 {
1216         int     rval=0;
1217         ubyte   palette_save[768];
1218
1219         New_pal_254_bash = 0;
1220
1221         if (Skip_briefing_screens) {
1222         mprintf((0, "Skipping briefing screen [brief03.pcx]\n"));
1223                 return 0;
1224         }
1225
1226 //      briefing_bm.bm_data=NULL;
1227 //   if ((pcx_error=pcx_read_bitmap( "brief03.pcx", &briefing_bm, BM_LINEAR, New_pal ))!=PCX_ERROR_NONE)     {
1228 //        mprintf((0, "File '%s', PCX load error: %s (%i)\n  (It's a briefing screen.  Does this cause you pain?)\n","Brief03.pcx", pcx_errormsg(pcx_error), pcx_error));
1229 //              Int3();
1230 //              return 0;
1231 //      }
1232
1233         memcpy(palette_save,gr_palette,sizeof(palette_save));
1234         memcpy(New_pal,gr_palette,sizeof(gr_palette));
1235
1236
1237 //      vfx_set_palette_sub( New_pal );
1238 //      gr_palette_clear();
1239 //      gr_bitmap( 0, 0, &briefing_bm );
1240 #ifdef OGL
1241         gr_palette_load(New_pal);
1242 #endif
1243
1244 //      if (gr_palette_fade_in( New_pal, 32, allow_keys ))
1245 //              return 1;
1246 //      memcpy(gr_palette,New_pal,sizeof(gr_palette));
1247
1248         #ifdef MACINTOSH
1249         key_close();            // kill the keyboard handler during briefing screens for movies
1250         #endif
1251         rval = show_briefing_text(screen_num);
1252         #ifdef MACINTOSH
1253         key_init();
1254         #endif
1255
1256         #if defined (MACINTOSH) || defined(WINDOWS)
1257         memcpy(New_pal,gr_palette,sizeof(gr_palette));          // attempt to get fades after briefing screens done correctly.
1258         #endif
1259
1260
1261         #ifndef WINDOWS
1262         if (gr_palette_fade_out( New_pal, 32, allow_keys ))
1263                 return 1;
1264    #else
1265                 DEFINE_SCREEN(NULL);
1266                 WIN(DDGRLOCK(dd_grd_curcanv));
1267                 gr_clear_canvas (0);
1268                 WIN(DDGRUNLOCK(dd_grd_curcanv));
1269                 if (gr_palette_fade_out( New_pal, 32, allow_keys ))
1270                         return 1;
1271         #endif
1272
1273         gr_copy_palette(gr_palette, palette_save, sizeof(palette_save));
1274
1275 //      d_free(briefing_bm.bm_data);
1276
1277         return rval;
1278 }
1279
1280
1281 //      -----------------------------------------------------------------------------
1282 void do_briefing_screens(char *filename,int level_num)
1283 {
1284
1285    MVEPaletteCalls=0;
1286
1287         if (Skip_briefing_screens) {
1288                 mprintf((0, "Skipping all briefing screens.\n"));
1289                 return;
1290         }
1291
1292         #ifdef APPLE_DEMO
1293         return;                 // no briefing screens at all for demo
1294         #endif
1295
1296         mprintf ((0,"Trying briefing screen! %s\n",filename));
1297
1298         if (!filename)
1299                 return;
1300
1301         if (!load_screen_text(filename, &Briefing_text))
1302          return;
1303
1304         #ifdef SHAREWARE
1305         songs_play_song( SONG_BRIEFING, 1 );
1306         #else
1307         songs_stop_all();
1308         #endif
1309
1310         set_screen_mode( SCREEN_MENU );
1311
1312         WINDOS(
1313                 dd_gr_set_current_canvas(NULL),
1314                 gr_set_current_canvas(NULL)
1315         );
1316
1317         mprintf ((0,"Playing briefing screen! %s %d\n",filename,level_num));
1318
1319         key_flush();
1320
1321         show_briefing_screen(level_num,0);
1322
1323         d_free (Briefing_text);
1324         key_flush();
1325
1326         return;
1327
1328 }
1329
1330 int DefineBriefingBox (char **buf)
1331  {
1332   int n,i=0;
1333   char name[20];
1334
1335   n=get_new_message_num (buf);
1336
1337         Assert(n < MAX_BRIEFING_SCREENS);
1338
1339   while (**buf!=' ')
1340    {
1341     name[i++]=**buf;
1342     (*buf)++;
1343    }
1344
1345   name[i]='\0';   // slap a delimiter on this guy
1346
1347   strcpy (Briefing_screens[n].bs_name,name);
1348   Briefing_screens[n].level_num=get_new_message_num (buf);
1349   Briefing_screens[n].message_num=get_new_message_num (buf);
1350   Briefing_screens[n].text_ulx=get_new_message_num (buf);
1351   Briefing_screens[n].text_uly=get_new_message_num (buf);
1352   Briefing_screens[n].text_width=get_new_message_num (buf);
1353   Briefing_screens[n].text_height=get_message_num (buf);  // NOTICE!!!
1354
1355   if (MenuHires)
1356         {
1357          Briefing_screens[n].text_ulx*=2;
1358          Briefing_screens[n].text_uly*=2.4;
1359          Briefing_screens[n].text_width*=2;
1360          Briefing_screens[n].text_height*=2.4;
1361         }
1362
1363   return (n);
1364  }
1365
1366 int get_new_message_num(char **message)
1367 {
1368         int     num=0;
1369
1370         while (**message == ' ')
1371                 (*message)++;
1372
1373         while ((**message >= '0') && (**message <= '9')) {
1374                 num = 10*num + **message-'0';
1375                 (*message)++;
1376         }
1377
1378        (*message)++;
1379
1380         return num;
1381 }
1382