src/game/g_main.pas

   1 (* Copyright (C)  Doom 2D: Forever Developers
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *)
  16 {$INCLUDE ../shared/a_modes.inc}
  17 unit g_main;
  18
  19 interface
  20
  21 procedure Main ();
  22 procedure Init ();
  23 procedure Release ();
  24 procedure Update ();
  25 procedure Draw ();
  26 procedure KeyPress (K: Word);
  27 procedure CharPress (C: AnsiChar);
  28
  29 var
  30   GameDir: string;
  31   DataDir: string;
  32   MapsDir: string;
  33   ModelsDir: string;
  34   GameWAD: string;
  35
  36
  37 implementation
  38
  39 uses
  40   SDL2, GL, GLExt, wadreader, e_log, g_window,
  41   e_graphics, e_input, g_game, g_console, g_gui,
  42   e_sound, g_options, g_sound, g_player, g_basic,
  43   g_weapons, SysUtils, g_triggers, MAPDEF, g_map,
  44   g_menu, g_language, g_net, g_holmes,
  45   utils, conbuf, envvars, fui_wadread, fui_style,
  46   fui_gfx_gl, xparser;
  47
  48
  49 var
  50   charbuff: packed array [0..15] of AnsiChar;
  51
  52 procedure Main();
  53 var
  54   sdlflags: LongWord;
  55 {$IFNDEF HEADLESS}
  56   flexloaded: Boolean;
  57 {$ENDIF}
  58 begin
  59   e_InitWritelnDriver();
  60
  61   GetDir(0, GameDir);
  62   MapsDir := GameDir + '/maps/';
  63   DataDir := GameDir + '/data/';
  64   ModelsDir := DataDir + 'models/';
  65   GameWAD := DataDir + 'Game.wad';
  66
  67   e_InitLog(GameDir + '/' + LOG_FILENAME, TWriteMode.WM_NEWFILE);
  68
  69   e_WriteLog(
  70     'Doom 2D: Forever version ' + GAME_VERSION +
  71     ' proto ' + IntToStr(NET_PROTOCOL_VER),
  72     TMsgType.Notify
  73   );
  74   e_WriteLog(
  75     'Build date: ' + GAME_BUILDDATE + ' ' + GAME_BUILDTIME,
  76     TMsgType.Notify
  77   );
  78
  79   e_WriteLog('Read config file', TMsgType.Notify);
  80   g_Options_Read(GameDir + '/' + CONFIG_FILENAME);
  81
  82 {$IFDEF HEADLESS}
  83   conbufDumpToStdOut := true;
  84 {$ENDIF}
  85   e_WriteToStdOut := False; //{$IFDEF HEADLESS}True;{$ELSE}False;{$ENDIF}
  86
  87   //GetSystemDefaultLCID()
  88
  89   //e_WriteLog('Read language file', MSG_NOTIFY);
  90   //g_Language_Load(DataDir + gLanguage + '.txt');
  91   e_WriteLog(gLanguage, TMsgType.Notify);
  92   g_Language_Set(gLanguage);
  93
  94 {$IFDEF HEADLESS}
  95  {$IFDEF USE_SDLMIXER}
  96   sdlflags := SDL_INIT_TIMER or SDL_INIT_AUDIO or $00004000;
  97   // HACK: shit this into env and hope for the best
  98   SetEnvVar('SDL_AUDIODRIVER', 'dummy');
  99  {$ELSE}
 100   sdlflags := SDL_INIT_TIMER or $00004000;
 101  {$ENDIF}
 102 {$ELSE}
 103  {$IFDEF USE_SDLMIXER}
 104   {*sdlflags := SDL_INIT_EVERYTHING;*}
 105   sdlflags := SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO;
 106  {$ELSE}
 107   sdlflags := SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO;
 108  {$ENDIF}
 109 {$ENDIF}
 110   if SDL_Init(sdlflags) < 0 then
 111     raise Exception.Create('SDL: Init failed: ' + SDL_GetError());
 112
 113 {$IFNDEF HEADLESS}
 114   SDL_StartTextInput();
 115 {$ENDIF}
 116
 117 {$IFNDEF HEADLESS}
 118   flexloaded := true;
 119   if not fuiAddWad('flexui.wad') then
 120   begin
 121     if not fuiAddWad('./data/flexui.wad') then fuiAddWad('./flexui.wad');
 122   end;
 123   try
 124     fuiGfxLoadFont('win8', 'flexui/fonts/win8.fuifont');
 125     fuiGfxLoadFont('win14', 'flexui/fonts/win14.fuifont');
 126     fuiGfxLoadFont('win16', 'flexui/fonts/win16.fuifont');
 127     fuiGfxLoadFont('dos8', 'flexui/fonts/dos8.fuifont');
 128     fuiGfxLoadFont('msx6', 'flexui/fonts/msx6.fuifont');
 129   except on e: Exception do
 130     begin
 131       writeln('ERROR loading FlexUI fonts');
 132       flexloaded := false;
 133       //raise;
 134     end;
 135   else
 136     begin
 137       flexloaded := false;
 138       //raise;
 139     end;
 140   end;
 141   if (flexloaded) then
 142   begin
 143     try
 144       e_LogWriteln('FlexUI: loading stylesheet...');
 145       uiLoadStyles('flexui/widgets.wgs');
 146     except on e: TParserException do
 147       begin
 148         writeln('ERROR at (', e.tokLine, ',', e.tokCol, '): ', e.message);
 149         //raise;
 150         flexloaded := false;
 151       end;
 152     else
 153       begin
 154         //raise;
 155         flexloaded := false;
 156       end;
 157     end;
 158   end;
 159   g_holmes_imfunctional := not flexloaded;
 160 {$ENDIF}
 161
 162   e_WriteLog('Entering SDLMain', TMsgType.Notify);
 163
 164 {$WARNINGS OFF}
 165   SDLMain();
 166 {$WARNINGS ON}
 167
 168 {$IFNDEF HEADLESS}
 169   SDL_StopTextInput();
 170 {$ENDIF}
 171
 172   e_WriteLog('Releasing SDL', TMsgType.Notify);
 173   SDL_Quit();
 174 end;
 175
 176 procedure Init();
 177 var
 178   NoSound: Boolean;
 179 begin
 180   Randomize;
 181
 182 {$IFDEF HEADLESS}
 183  {$IFDEF USE_SDLMIXER}
 184   NoSound := False; // hope env has set SDL_AUDIODRIVER to dummy
 185  {$ELSE}
 186   NoSound := True; // FMOD backend will sort it out
 187  {$ENDIF}
 188 {$ELSE}
 189   NoSound := False;
 190 {$ENDIF}
 191
 192   e_WriteLog('Init Input', TMsgType.Notify);
 193   e_InitInput();
 194
 195   if (e_JoysticksAvailable > 0) then
 196     e_WriteLog('Input: Joysticks available.', TMsgType.Notify)
 197   else
 198     e_WriteLog('Input: No Joysticks.', TMsgType.Notify);
 199
 200   if (not gNoSound) then
 201   begin
 202     e_WriteLog('Initializing sound system', TMsgType.Notify);
 203     e_InitSoundSystem(NoSound);
 204   end;
 205
 206   e_WriteLog('Init game', TMsgType.Notify);
 207   g_Game_Init();
 208
 209   FillChar(charbuff, sizeof(charbuff), ' ');
 210 end;
 211
 212
 213 procedure Release();
 214 begin
 215   e_WriteLog('Releasing engine', TMsgType.Notify);
 216   e_ReleaseEngine();
 217
 218   e_WriteLog('Releasing Input', TMsgType.Notify);
 219   e_ReleaseInput();
 220
 221   if not gNoSound then
 222   begin
 223     e_WriteLog('Releasing FMOD', TMsgType.Notify);
 224     e_ReleaseSoundSystem();
 225   end;
 226 end;
 227
 228
 229 procedure Update ();
 230 begin
 231   g_Game_Update();
 232 end;
 233
 234
 235 procedure Draw ();
 236 begin
 237   g_Game_Draw();
 238 end;
 239
 240
 241 function Translit (const S: AnsiString): AnsiString;
 242 var
 243   i: Integer;
 244 begin
 245   Result := S;
 246   for i := 1 to Length(Result) do
 247   begin
 248     case Result[i] of
 249       'É': Result[i] := 'Q';
 250       'Ö': Result[i] := 'W';
 251       'Ó': Result[i] := 'E';
 252       'Ê': Result[i] := 'R';
 253       'Å': Result[i] := 'T';
 254       'Í': Result[i] := 'Y';
 255       'Ã': Result[i] := 'U';
 256       'Ø': Result[i] := 'I';
 257       'Ù': Result[i] := 'O';
 258       'Ç': Result[i] := 'P';
 259       'Õ': Result[i] := '['; //Chr(219);
 260       'Ú': Result[i] := ']'; //Chr(221);
 261       'Ô': Result[i] := 'A';
 262       'Û': Result[i] := 'S';
 263       'Â': Result[i] := 'D';
 264       'À': Result[i] := 'F';
 265       'Ï': Result[i] := 'G';
 266       'Ð': Result[i] := 'H';
 267       'Î': Result[i] := 'J';
 268       'Ë': Result[i] := 'K';
 269       'Ä': Result[i] := 'L';
 270       'Æ': Result[i] := ';'; //Chr(186);
 271       'Ý': Result[i] := #39; //Chr(222);
 272       'ß': Result[i] := 'Z';
 273       '×': Result[i] := 'X';
 274       'Ñ': Result[i] := 'C';
 275       'Ì': Result[i] := 'V';
 276       'È': Result[i] := 'B';
 277       'Ò': Result[i] := 'N';
 278       'Ü': Result[i] := 'M';
 279       'Á': Result[i] := ','; //Chr(188);
 280       'Þ': Result[i] := '.'; //Chr(190);
 281     end;
 282   end;
 283 end;
 284
 285
 286 function CheckCheat (ct: TStrings_Locale; eofs: Integer=0): Boolean;
 287 var
 288   ls1, ls2: string;
 289 begin
 290   ls1 :=          CheatEng[ct];
 291   ls2 := Translit(CheatRus[ct]);
 292   if length(ls1) = 0 then ls1 := '~';
 293   if length(ls2) = 0 then ls2 := '~';
 294   result :=
 295     (Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1)) = ls1) or
 296     (Translit(Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1))) = ls1) or
 297     (Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2)) = ls2) or
 298     (Translit(Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2))) = ls2);
 299   {
 300   if ct = I_GAME_CHEAT_JETPACK then
 301   begin
 302     e_WriteLog('ls1: ['+ls1+']', MSG_NOTIFY);
 303     e_WriteLog('ls2: ['+ls2+']', MSG_NOTIFY);
 304     e_WriteLog('bf0: ['+Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1))+']', MSG_NOTIFY);
 305     e_WriteLog('bf1: ['+Translit(Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1)))+']', MSG_NOTIFY);
 306     e_WriteLog('bf2: ['+Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2))+']', MSG_NOTIFY);
 307     e_WriteLog('bf3: ['+Translit(Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2)))+']', MSG_NOTIFY);
 308   end;
 309   }
 310 end;
 311
 312
 313 procedure Cheat ();
 314 const
 315   CHEAT_DAMAGE = 500;
 316 label
 317   Cheated;
 318 var
 319   s, s2: string;
 320   c: ShortString;
 321   a: Integer;
 322 begin
 323   {
 324   if (not gGameOn) or (not gCheats) or ((gGameSettings.GameType <> GT_SINGLE) and
 325     (gGameSettings.GameMode <> GM_COOP) and (not gDebugMode))
 326     or g_Game_IsNet then Exit;
 327   }
 328   if not gGameOn then exit;
 329   if not conIsCheatsEnabled then exit;
 330
 331   s := 'SOUND_GAME_RADIO';
 332
 333   //
 334   if CheckCheat(I_GAME_CHEAT_GODMODE) then
 335   begin
 336     if gPlayer1 <> nil then gPlayer1.GodMode := not gPlayer1.GodMode;
 337     if gPlayer2 <> nil then gPlayer2.GodMode := not gPlayer2.GodMode;
 338     goto Cheated;
 339   end;
 340   // RAMBO
 341   if CheckCheat(I_GAME_CHEAT_WEAPONS) then
 342   begin
 343     if gPlayer1 <> nil then gPlayer1.AllRulez(False);
 344     if gPlayer2 <> nil then gPlayer2.AllRulez(False);
 345     goto Cheated;
 346   end;
 347   // TANK
 348   if CheckCheat(I_GAME_CHEAT_HEALTH) then
 349   begin
 350     if gPlayer1 <> nil then gPlayer1.AllRulez(True);
 351     if gPlayer2 <> nil then gPlayer2.AllRulez(True);
 352     goto Cheated;
 353   end;
 354   // IDDQD
 355   if CheckCheat(I_GAME_CHEAT_DEATH) then
 356   begin
 357     if gPlayer1 <> nil then gPlayer1.Damage(CHEAT_DAMAGE, 0, 0, 0, HIT_TRAP);
 358     if gPlayer2 <> nil then gPlayer2.Damage(CHEAT_DAMAGE, 0, 0, 0, HIT_TRAP);
 359     s := 'SOUND_MONSTER_HAHA';
 360     goto Cheated;
 361   end;
 362   //
 363   if CheckCheat(I_GAME_CHEAT_DOORS) then
 364   begin
 365     g_Triggers_OpenAll();
 366     goto Cheated;
 367   end;
 368   // GOODBYE
 369   if CheckCheat(I_GAME_CHEAT_NEXTMAP) then
 370   begin
 371     if gTriggers <> nil then
 372       for a := 0 to High(gTriggers) do
 373         if gTriggers[a].TriggerType = TRIGGER_EXIT then
 374         begin
 375           gExitByTrigger := True;
 376           //g_Game_ExitLevel(gTriggers[a].Data.MapName);
 377           g_Game_ExitLevel(gTriggers[a].tgcMap);
 378           Break;
 379         end;
 380     goto Cheated;
 381   end;
 382   //
 383   s2 := Copy(charbuff, 15, 2);
 384   if CheckCheat(I_GAME_CHEAT_CHANGEMAP, 2) and (s2[1] >= '0') and (s2[1] <= '9') and (s2[2] >= '0') and (s2[2] <= '9') then
 385   begin
 386     if g_Map_Exist(MapsDir+gGameSettings.WAD+':\MAP'+s2) then
 387     begin
 388       c := 'MAP'+s2;
 389       g_Game_ExitLevel(c);
 390     end;
 391     goto Cheated;
 392   end;
 393   //
 394   if CheckCheat(I_GAME_CHEAT_FLY) then
 395   begin
 396     gFly := not gFly;
 397     goto Cheated;
 398   end;
 399   // BULLFROG
 400   if CheckCheat(I_GAME_CHEAT_JUMPS) then
 401   begin
 402     VEL_JUMP := 30-VEL_JUMP;
 403     goto Cheated;
 404   end;
 405   // FORMULA1
 406   if CheckCheat(I_GAME_CHEAT_SPEED) then
 407   begin
 408     MAX_RUNVEL := 32-MAX_RUNVEL;
 409     goto Cheated;
 410   end;
 411   // CONDOM
 412   if CheckCheat(I_GAME_CHEAT_SUIT) then
 413   begin
 414     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_SUIT);
 415     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_SUIT);
 416     goto Cheated;
 417   end;
 418   //
 419   if CheckCheat(I_GAME_CHEAT_AIR) then
 420   begin
 421     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_OXYGEN);
 422     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_OXYGEN);
 423     goto Cheated;
 424   end;
 425   // PURELOVE
 426   if CheckCheat(I_GAME_CHEAT_BERSERK) then
 427   begin
 428     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_MEDKIT_BLACK);
 429     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_MEDKIT_BLACK);
 430     goto Cheated;
 431   end;
 432   //
 433   if CheckCheat(I_GAME_CHEAT_JETPACK) then
 434   begin
 435     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_JETPACK);
 436     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_JETPACK);
 437     goto Cheated;
 438   end;
 439   // CASPER
 440   if CheckCheat(I_GAME_CHEAT_NOCLIP) then
 441   begin
 442     if gPlayer1 <> nil then gPlayer1.SwitchNoClip;
 443     if gPlayer2 <> nil then gPlayer2.SwitchNoClip;
 444     goto Cheated;
 445   end;
 446   //
 447   if CheckCheat(I_GAME_CHEAT_NOTARGET) then
 448   begin
 449     if gPlayer1 <> nil then gPlayer1.NoTarget := not gPlayer1.NoTarget;
 450     if gPlayer2 <> nil then gPlayer2.NoTarget := not gPlayer2.NoTarget;
 451     goto Cheated;
 452   end;
 453   // INFERNO
 454   if CheckCheat(I_GAME_CHEAT_NORELOAD) then
 455   begin
 456     if gPlayer1 <> nil then gPlayer1.NoReload := not gPlayer1.NoReload;
 457     if gPlayer2 <> nil then gPlayer2.NoReload := not gPlayer2.NoReload;
 458     goto Cheated;
 459   end;
 460   if CheckCheat(I_GAME_CHEAT_AIMLINE) then
 461   begin
 462     gAimLine := not gAimLine;
 463     goto Cheated;
 464   end;
 465   if CheckCheat(I_GAME_CHEAT_AUTOMAP) then
 466   begin
 467     gShowMap := not gShowMap;
 468     goto Cheated;
 469   end;
 470   Exit;
 471
 472 Cheated:
 473   g_Sound_PlayEx(s);
 474 end;
 475
 476
 477 procedure KeyPress (K: Word);
 478 var
 479   Msg: g_gui.TMessage;
 480 begin
 481   case K of
 482     IK_PAUSE: // <Pause/Break>:
 483       begin
 484         if (g_ActiveWindow = nil) then g_Game_Pause(not gPause);
 485       end;
 486
 487     IK_BACKQUOTE: // <`/~/¨/¸>:
 488       begin
 489         g_Console_Switch();
 490       end;
 491
 492     IK_ESCAPE: // <Esc>:
 493       begin
 494         if gChatShow then
 495         begin
 496           g_Console_Chat_Switch();
 497           Exit;
 498         end;
 499
 500         if gConsoleShow then
 501         begin
 502           g_Console_Switch();
 503         end
 504         else if (g_ActiveWindow <> nil) then
 505         begin
 506           Msg.Msg := WM_KEYDOWN;
 507           Msg.WParam := IK_ESCAPE;
 508           g_ActiveWindow.OnMessage(Msg);
 509           if (not g_Game_IsNet) and (g_ActiveWindow = nil) then g_Game_Pause(false); //Fn loves to do this
 510         end
 511         else if (gState <> STATE_FOLD) then
 512         begin
 513           if gGameOn or (gState = STATE_INTERSINGLE) or (gState = STATE_INTERCUSTOM) then
 514           begin
 515             g_Game_InGameMenu(True);
 516           end
 517           else if (gExit = 0) and (gState <> STATE_SLIST) then
 518           begin
 519             if (gState <> STATE_MENU) then
 520             begin
 521               if (NetMode <> NET_NONE) then
 522               begin
 523                 g_Game_StopAllSounds(True);
 524                 g_Game_Free;
 525                 gState := STATE_MENU;
 526                 Exit;
 527               end;
 528             end;
 529             g_GUI_ShowWindow('MainMenu');
 530             g_Sound_PlayEx('MENU_OPEN');
 531           end;
 532         end;
 533       end;
 534
 535     IK_F2, IK_F3, IK_F4, IK_F5, IK_F6, IK_F7, IK_F10:
 536       begin // <F2> .. <F6> � <F12>
 537         if gGameOn and (not gConsoleShow) and (not gChatShow) then
 538         begin
 539           while (g_ActiveWindow <> nil) do g_GUI_HideWindow(False);
 540           if (not g_Game_IsNet) then g_Game_Pause(True);
 541           case K of
 542             IK_F2: g_Menu_Show_SaveMenu();
 543             IK_F3: g_Menu_Show_LoadMenu();
 544             IK_F4: g_Menu_Show_GameSetGame();
 545             IK_F5: g_Menu_Show_OptionsVideo();
 546             IK_F6: g_Menu_Show_OptionsSound();
 547             IK_F7: g_Menu_Show_EndGameMenu();
 548             IK_F10: g_Menu_Show_QuitGameMenu();
 549           end;
 550         end;
 551       end;
 552
 553     else
 554       begin
 555         gJustChatted := False;
 556         if gConsoleShow or gChatShow then
 557         begin
 558           g_Console_Control(K);
 559         end
 560         else if (g_ActiveWindow <> nil) then
 561         begin
 562           Msg.Msg := WM_KEYDOWN;
 563           Msg.WParam := K;
 564           g_ActiveWindow.OnMessage(Msg);
 565         end
 566         else if (gState = STATE_MENU) then
 567         begin
 568           g_GUI_ShowWindow('MainMenu');
 569           g_Sound_PlayEx('MENU_OPEN');
 570         end;
 571       end;
 572   end;
 573 end;
 574
 575
 576 procedure CharPress (C: AnsiChar);
 577 var
 578   Msg: g_gui.TMessage;
 579   a: Integer;
 580 begin
 581   if (not gChatShow) and ((C = '`') or (C = '~') or (C = '¸') or (C = '¨')) then Exit;
 582
 583   if gConsoleShow or gChatShow then
 584   begin
 585     g_Console_Char(C);
 586   end
 587   else if (g_ActiveWindow <> nil) then
 588   begin
 589     Msg.Msg := WM_CHAR;
 590     Msg.WParam := Ord(C);
 591     g_ActiveWindow.OnMessage(Msg);
 592   end
 593   else
 594   begin
 595     for a := 0 to 14 do charbuff[a] := charbuff[a+1];
 596     charbuff[15] := upcase1251(C);
 597     Cheat();
 598   end;
 599 end;
 600
 601
 602 end.