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 {$INCLUDE ../shared/a_modes.inc}
  17 unit g_main;
  18
  19 interface
  20
  21 procedure Main ();
  22 procedure Init ();
  23 procedure Release ();
  24 procedure Update ();
  25 procedure Draw ();
  26 procedure KeyPress (K: Word);
  27 procedure CharPress (C: AnsiChar);
  28
  29 var
  30   GameDir: string;
  31   DataDir: string;
  32   MapsDir: string;
  33   ModelsDir: string;
  34   GameWAD: string;
  35
  36
  37 implementation
  38
  39 uses
  40 {$IFDEF USE_NANOGL}
  41   nanoGL,
  42 {$ELSE}
  43   GL, GLExt,
  44 {$ENDIF}
  45   SDL2, wadreader, e_log, g_window,
  46   e_graphics, e_input, g_game, g_console, g_gui,
  47   e_sound, g_options, g_sound, g_player, g_basic,
  48   g_weapons, SysUtils, g_triggers, MAPDEF, g_map,
  49   g_menu, g_language, g_net, g_holmes,
  50   utils, conbuf, envvars, fui_wadread, fui_style,
  51   fui_gfx_gl, xparser;
  52
  53
  54 var
  55   charbuff: packed array [0..15] of AnsiChar;
  56
  57 procedure Main();
  58 var
  59   sdlflags: LongWord;
  60 {$IFNDEF HEADLESS}
  61   flexloaded: Boolean;
  62 {$ENDIF}
  63 begin
  64   e_InitWritelnDriver();
  65
  66   GetDir(0, GameDir);
  67   MapsDir := GameDir + '/maps/';
  68   DataDir := GameDir + '/data/';
  69   ModelsDir := DataDir + 'models/';
  70   GameWAD := DataDir + 'Game.wad';
  71
  72   e_InitLog(GameDir + '/' + LOG_FILENAME, TWriteMode.WM_NEWFILE);
  73
  74   e_WriteLog(
  75     'Doom 2D: Forever version ' + GAME_VERSION +
  76     ' proto ' + IntToStr(NET_PROTOCOL_VER),
  77     TMsgType.Notify
  78   );
  79   e_WriteLog(
  80     'Build date: ' + GAME_BUILDDATE + ' ' + GAME_BUILDTIME,
  81     TMsgType.Notify
  82   );
  83
  84   e_WriteLog('Read config file', TMsgType.Notify);
  85   g_Options_Read(GameDir + '/' + CONFIG_FILENAME);
  86
  87 {$IFDEF HEADLESS}
  88   conbufDumpToStdOut := true;
  89 {$ENDIF}
  90   e_WriteToStdOut := False; //{$IFDEF HEADLESS}True;{$ELSE}False;{$ENDIF}
  91
  92   //GetSystemDefaultLCID()
  93
  94   //e_WriteLog('Read language file', MSG_NOTIFY);
  95   //g_Language_Load(DataDir + gLanguage + '.txt');
  96   e_WriteLog(gLanguage, TMsgType.Notify);
  97   g_Language_Set(gLanguage);
  98
  99 {$IFDEF HEADLESS}
 100  {$IFDEF USE_SDLMIXER}
 101   sdlflags := SDL_INIT_TIMER or SDL_INIT_AUDIO or $00004000;
 102   // HACK: shit this into env and hope for the best
 103   SetEnvVar('SDL_AUDIODRIVER', 'dummy');
 104  {$ELSE}
 105   sdlflags := SDL_INIT_TIMER or $00004000;
 106  {$ENDIF}
 107 {$ELSE}
 108  {$IFDEF USE_SDLMIXER}
 109   {*sdlflags := SDL_INIT_EVERYTHING;*}
 110   sdlflags := SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO;
 111  {$ELSE}
 112   sdlflags := SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO;
 113  {$ENDIF}
 114 {$ENDIF}
 115   if SDL_Init(sdlflags) < 0 then
 116     raise Exception.Create('SDL: Init failed: ' + SDL_GetError());
 117
 118 {$IFNDEF HEADLESS}
 119 {$IFNDEF ANDROID}
 120   SDL_StartTextInput();
 121 {$ENDIF}
 122 {$ENDIF}
 123
 124 {$IFNDEF HEADLESS}
 125   flexloaded := true;
 126   if not fuiAddWad('flexui.wad') then
 127   begin
 128     if not fuiAddWad('./data/flexui.wad') then fuiAddWad('./flexui.wad');
 129   end;
 130   try
 131     fuiGfxLoadFont('win8', 'flexui/fonts/win8.fuifont');
 132     fuiGfxLoadFont('win14', 'flexui/fonts/win14.fuifont');
 133     fuiGfxLoadFont('win16', 'flexui/fonts/win16.fuifont');
 134     fuiGfxLoadFont('dos8', 'flexui/fonts/dos8.fuifont');
 135     fuiGfxLoadFont('msx6', 'flexui/fonts/msx6.fuifont');
 136   except on e: Exception do
 137     begin
 138       writeln('ERROR loading FlexUI fonts');
 139       flexloaded := false;
 140       //raise;
 141     end;
 142   else
 143     begin
 144       flexloaded := false;
 145       //raise;
 146     end;
 147   end;
 148   if (flexloaded) then
 149   begin
 150     try
 151       e_LogWriteln('FlexUI: loading stylesheet...');
 152       uiLoadStyles('flexui/widgets.wgs');
 153     except on e: TParserException do
 154       begin
 155         writeln('ERROR at (', e.tokLine, ',', e.tokCol, '): ', e.message);
 156         //raise;
 157         flexloaded := false;
 158       end;
 159     else
 160       begin
 161         //raise;
 162         flexloaded := false;
 163       end;
 164     end;
 165   end;
 166   g_holmes_imfunctional := not flexloaded;
 167 {$ENDIF}
 168
 169   e_WriteLog('Entering SDLMain', TMsgType.Notify);
 170
 171 {$WARNINGS OFF}
 172   SDLMain();
 173 {$WARNINGS ON}
 174
 175 {$IFNDEF HEADLESS}
 176   SDL_StopTextInput();
 177 {$ENDIF}
 178
 179   e_WriteLog('Releasing SDL', TMsgType.Notify);
 180   SDL_Quit();
 181 end;
 182
 183 procedure Init();
 184 var
 185   NoSound: Boolean;
 186 begin
 187   Randomize;
 188
 189 {$IFDEF HEADLESS}
 190  {$IFDEF USE_SDLMIXER}
 191   NoSound := False; // hope env has set SDL_AUDIODRIVER to dummy
 192  {$ELSE}
 193   NoSound := True; // FMOD backend will sort it out
 194  {$ENDIF}
 195 {$ELSE}
 196   NoSound := False;
 197 {$ENDIF}
 198
 199   e_WriteLog('Init Input', TMsgType.Notify);
 200   e_InitInput();
 201
 202   if (e_JoysticksAvailable > 0) then
 203     e_WriteLog('Input: Joysticks available.', TMsgType.Notify)
 204   else
 205     e_WriteLog('Input: No Joysticks.', TMsgType.Notify);
 206
 207   if (not gNoSound) then
 208   begin
 209     e_WriteLog('Initializing sound system', TMsgType.Notify);
 210     e_InitSoundSystem(NoSound);
 211   end;
 212
 213   e_WriteLog('Init game', TMsgType.Notify);
 214   g_Game_Init();
 215
 216   FillChar(charbuff, sizeof(charbuff), ' ');
 217 end;
 218
 219
 220 procedure Release();
 221 begin
 222   e_WriteLog('Releasing engine', TMsgType.Notify);
 223   e_ReleaseEngine();
 224
 225   e_WriteLog('Releasing Input', TMsgType.Notify);
 226   e_ReleaseInput();
 227
 228   if not gNoSound then
 229   begin
 230     e_WriteLog('Releasing FMOD', TMsgType.Notify);
 231     e_ReleaseSoundSystem();
 232   end;
 233 end;
 234
 235
 236 procedure Update ();
 237 begin
 238   g_Game_Update();
 239 end;
 240
 241
 242 procedure Draw ();
 243 begin
 244   g_Game_Draw();
 245 end;
 246
 247
 248 function Translit (const S: AnsiString): AnsiString;
 249 var
 250   i: Integer;
 251 begin
 252   Result := S;
 253   for i := 1 to Length(Result) do
 254   begin
 255     case Result[i] of
 256       'É': Result[i] := 'Q';
 257       'Ö': Result[i] := 'W';
 258       'Ó': Result[i] := 'E';
 259       'Ê': Result[i] := 'R';
 260       'Å': Result[i] := 'T';
 261       'Í': Result[i] := 'Y';
 262       'Ã': Result[i] := 'U';
 263       'Ø': Result[i] := 'I';
 264       'Ù': Result[i] := 'O';
 265       'Ç': Result[i] := 'P';
 266       'Õ': Result[i] := '['; //Chr(219);
 267       'Ú': Result[i] := ']'; //Chr(221);
 268       'Ô': Result[i] := 'A';
 269       'Û': Result[i] := 'S';
 270       'Â': Result[i] := 'D';
 271       'À': Result[i] := 'F';
 272       'Ï': Result[i] := 'G';
 273       'Ð': Result[i] := 'H';
 274       'Î': Result[i] := 'J';
 275       'Ë': Result[i] := 'K';
 276       'Ä': Result[i] := 'L';
 277       'Æ': Result[i] := ';'; //Chr(186);
 278       'Ý': Result[i] := #39; //Chr(222);
 279       'ß': Result[i] := 'Z';
 280       '×': Result[i] := 'X';
 281       'Ñ': Result[i] := 'C';
 282       'Ì': Result[i] := 'V';
 283       'È': Result[i] := 'B';
 284       'Ò': Result[i] := 'N';
 285       'Ü': Result[i] := 'M';
 286       'Á': Result[i] := ','; //Chr(188);
 287       'Þ': Result[i] := '.'; //Chr(190);
 288     end;
 289   end;
 290 end;
 291
 292
 293 function CheckCheat (ct: TStrings_Locale; eofs: Integer=0): Boolean;
 294 var
 295   ls1, ls2: string;
 296 begin
 297   ls1 :=          CheatEng[ct];
 298   ls2 := Translit(CheatRus[ct]);
 299   if length(ls1) = 0 then ls1 := '~';
 300   if length(ls2) = 0 then ls2 := '~';
 301   result :=
 302     (Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1)) = ls1) or
 303     (Translit(Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1))) = ls1) or
 304     (Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2)) = ls2) or
 305     (Translit(Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2))) = ls2);
 306   {
 307   if ct = I_GAME_CHEAT_JETPACK then
 308   begin
 309     e_WriteLog('ls1: ['+ls1+']', MSG_NOTIFY);
 310     e_WriteLog('ls2: ['+ls2+']', MSG_NOTIFY);
 311     e_WriteLog('bf0: ['+Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1))+']', MSG_NOTIFY);
 312     e_WriteLog('bf1: ['+Translit(Copy(charbuff, 17-Length(ls1)-eofs, Length(ls1)))+']', MSG_NOTIFY);
 313     e_WriteLog('bf2: ['+Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2))+']', MSG_NOTIFY);
 314     e_WriteLog('bf3: ['+Translit(Copy(charbuff, 17-Length(ls2)-eofs, Length(ls2)))+']', MSG_NOTIFY);
 315   end;
 316   }
 317 end;
 318
 319
 320 procedure Cheat ();
 321 const
 322   CHEAT_DAMAGE = 500;
 323 label
 324   Cheated;
 325 var
 326   s, s2: string;
 327   c: ShortString;
 328   a: Integer;
 329 begin
 330   {
 331   if (not gGameOn) or (not gCheats) or ((gGameSettings.GameType <> GT_SINGLE) and
 332     (gGameSettings.GameMode <> GM_COOP) and (not gDebugMode))
 333     or g_Game_IsNet then Exit;
 334   }
 335   if not gGameOn then exit;
 336   if not conIsCheatsEnabled then exit;
 337
 338   s := 'SOUND_GAME_RADIO';
 339
 340   //
 341   if CheckCheat(I_GAME_CHEAT_GODMODE) then
 342   begin
 343     if gPlayer1 <> nil then gPlayer1.GodMode := not gPlayer1.GodMode;
 344     if gPlayer2 <> nil then gPlayer2.GodMode := not gPlayer2.GodMode;
 345     goto Cheated;
 346   end;
 347   // RAMBO
 348   if CheckCheat(I_GAME_CHEAT_WEAPONS) then
 349   begin
 350     if gPlayer1 <> nil then gPlayer1.AllRulez(False);
 351     if gPlayer2 <> nil then gPlayer2.AllRulez(False);
 352     goto Cheated;
 353   end;
 354   // TANK
 355   if CheckCheat(I_GAME_CHEAT_HEALTH) then
 356   begin
 357     if gPlayer1 <> nil then gPlayer1.AllRulez(True);
 358     if gPlayer2 <> nil then gPlayer2.AllRulez(True);
 359     goto Cheated;
 360   end;
 361   // IDDQD
 362   if CheckCheat(I_GAME_CHEAT_DEATH) then
 363   begin
 364     if gPlayer1 <> nil then gPlayer1.Damage(CHEAT_DAMAGE, 0, 0, 0, HIT_TRAP);
 365     if gPlayer2 <> nil then gPlayer2.Damage(CHEAT_DAMAGE, 0, 0, 0, HIT_TRAP);
 366     s := 'SOUND_MONSTER_HAHA';
 367     goto Cheated;
 368   end;
 369   //
 370   if CheckCheat(I_GAME_CHEAT_DOORS) then
 371   begin
 372     g_Triggers_OpenAll();
 373     goto Cheated;
 374   end;
 375   // GOODBYE
 376   if CheckCheat(I_GAME_CHEAT_NEXTMAP) then
 377   begin
 378     if gTriggers <> nil then
 379       for a := 0 to High(gTriggers) do
 380         if gTriggers[a].TriggerType = TRIGGER_EXIT then
 381         begin
 382           gExitByTrigger := True;
 383           //g_Game_ExitLevel(gTriggers[a].Data.MapName);
 384           g_Game_ExitLevel(gTriggers[a].tgcMap);
 385           Break;
 386         end;
 387     goto Cheated;
 388   end;
 389   //
 390   s2 := Copy(charbuff, 15, 2);
 391   if CheckCheat(I_GAME_CHEAT_CHANGEMAP, 2) and (s2[1] >= '0') and (s2[1] <= '9') and (s2[2] >= '0') and (s2[2] <= '9') then
 392   begin
 393     if g_Map_Exist(MapsDir+gGameSettings.WAD+':\MAP'+s2) then
 394     begin
 395       c := 'MAP'+s2;
 396       g_Game_ExitLevel(c);
 397     end;
 398     goto Cheated;
 399   end;
 400   //
 401   if CheckCheat(I_GAME_CHEAT_FLY) then
 402   begin
 403     gFly := not gFly;
 404     goto Cheated;
 405   end;
 406   // BULLFROG
 407   if CheckCheat(I_GAME_CHEAT_JUMPS) then
 408   begin
 409     VEL_JUMP := 30-VEL_JUMP;
 410     goto Cheated;
 411   end;
 412   // FORMULA1
 413   if CheckCheat(I_GAME_CHEAT_SPEED) then
 414   begin
 415     MAX_RUNVEL := 32-MAX_RUNVEL;
 416     goto Cheated;
 417   end;
 418   // CONDOM
 419   if CheckCheat(I_GAME_CHEAT_SUIT) then
 420   begin
 421     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_SUIT);
 422     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_SUIT);
 423     goto Cheated;
 424   end;
 425   //
 426   if CheckCheat(I_GAME_CHEAT_AIR) then
 427   begin
 428     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_OXYGEN);
 429     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_OXYGEN);
 430     goto Cheated;
 431   end;
 432   // PURELOVE
 433   if CheckCheat(I_GAME_CHEAT_BERSERK) then
 434   begin
 435     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_MEDKIT_BLACK);
 436     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_MEDKIT_BLACK);
 437     goto Cheated;
 438   end;
 439   //
 440   if CheckCheat(I_GAME_CHEAT_JETPACK) then
 441   begin
 442     if gPlayer1 <> nil then gPlayer1.GiveItem(ITEM_JETPACK);
 443     if gPlayer2 <> nil then gPlayer2.GiveItem(ITEM_JETPACK);
 444     goto Cheated;
 445   end;
 446   // CASPER
 447   if CheckCheat(I_GAME_CHEAT_NOCLIP) then
 448   begin
 449     if gPlayer1 <> nil then gPlayer1.SwitchNoClip;
 450     if gPlayer2 <> nil then gPlayer2.SwitchNoClip;
 451     goto Cheated;
 452   end;
 453   //
 454   if CheckCheat(I_GAME_CHEAT_NOTARGET) then
 455   begin
 456     if gPlayer1 <> nil then gPlayer1.NoTarget := not gPlayer1.NoTarget;
 457     if gPlayer2 <> nil then gPlayer2.NoTarget := not gPlayer2.NoTarget;
 458     goto Cheated;
 459   end;
 460   // INFERNO
 461   if CheckCheat(I_GAME_CHEAT_NORELOAD) then
 462   begin
 463     if gPlayer1 <> nil then gPlayer1.NoReload := not gPlayer1.NoReload;
 464     if gPlayer2 <> nil then gPlayer2.NoReload := not gPlayer2.NoReload;
 465     goto Cheated;
 466   end;
 467   if CheckCheat(I_GAME_CHEAT_AIMLINE) then
 468   begin
 469     gAimLine := not gAimLine;
 470     goto Cheated;
 471   end;
 472   if CheckCheat(I_GAME_CHEAT_AUTOMAP) then
 473   begin
 474     gShowMap := not gShowMap;
 475     goto Cheated;
 476   end;
 477   Exit;
 478
 479 Cheated:
 480   g_Sound_PlayEx(s);
 481 end;
 482
 483
 484 procedure KeyPress (K: Word);
 485 var
 486   Msg: g_gui.TMessage;
 487 begin
 488   case K of
 489     IK_PAUSE: // <Pause/Break>:
 490       begin
 491         if (g_ActiveWindow = nil) then g_Game_Pause(not gPause);
 492       end;
 493
 494     IK_BACKQUOTE: // <`/~/¨/¸>:
 495       begin
 496         g_Console_Switch();
 497       end;
 498
 499     IK_ESCAPE: // <Esc>:
 500       begin
 501         if gChatShow then
 502         begin
 503           g_Console_Chat_Switch();
 504           Exit;
 505         end;
 506
 507         if gConsoleShow then
 508         begin
 509           g_Console_Switch();
 510         end
 511         else if (g_ActiveWindow <> nil) then
 512         begin
 513           Msg.Msg := WM_KEYDOWN;
 514           Msg.WParam := IK_ESCAPE;
 515           g_ActiveWindow.OnMessage(Msg);
 516           if (not g_Game_IsNet) and (g_ActiveWindow = nil) then g_Game_Pause(false); //Fn loves to do this
 517         end
 518         else if (gState <> STATE_FOLD) then
 519         begin
 520           if gGameOn or (gState = STATE_INTERSINGLE) or (gState = STATE_INTERCUSTOM) then
 521           begin
 522             g_Game_InGameMenu(True);
 523           end
 524           else if (gExit = 0) and (gState <> STATE_SLIST) then
 525           begin
 526             if (gState <> STATE_MENU) then
 527             begin
 528               if (NetMode <> NET_NONE) then
 529               begin
 530                 g_Game_StopAllSounds(True);
 531                 g_Game_Free;
 532                 gState := STATE_MENU;
 533                 Exit;
 534               end;
 535             end;
 536             g_GUI_ShowWindow('MainMenu');
 537             g_Sound_PlayEx('MENU_OPEN');
 538           end;
 539         end;
 540       end;
 541
 542     IK_F2, IK_F3, IK_F4, IK_F5, IK_F6, IK_F7, IK_F10:
 543       begin // <F2> .. <F6> � <F12>
 544         if gGameOn and (not gConsoleShow) and (not gChatShow) then
 545         begin
 546           while (g_ActiveWindow <> nil) do g_GUI_HideWindow(False);
 547           if (not g_Game_IsNet) then g_Game_Pause(True);
 548           case K of
 549             IK_F2: g_Menu_Show_SaveMenu();
 550             IK_F3: g_Menu_Show_LoadMenu();
 551             IK_F4: g_Menu_Show_GameSetGame();
 552             IK_F5: g_Menu_Show_OptionsVideo();
 553             IK_F6: g_Menu_Show_OptionsSound();
 554             IK_F7: g_Menu_Show_EndGameMenu();
 555             IK_F10: g_Menu_Show_QuitGameMenu();
 556           end;
 557         end;
 558       end;
 559
 560     else
 561       begin
 562         gJustChatted := False;
 563         if gConsoleShow or gChatShow then
 564         begin
 565           g_Console_Control(K);
 566         end
 567         else if (g_ActiveWindow <> nil) then
 568         begin
 569           Msg.Msg := WM_KEYDOWN;
 570           Msg.WParam := K;
 571           g_ActiveWindow.OnMessage(Msg);
 572         end
 573         else if (gState = STATE_MENU) then
 574         begin
 575           g_GUI_ShowWindow('MainMenu');
 576           g_Sound_PlayEx('MENU_OPEN');
 577         end;
 578       end;
 579   end;
 580 end;
 581
 582
 583 procedure CharPress (C: AnsiChar);
 584 var
 585   Msg: g_gui.TMessage;
 586   a: Integer;
 587 begin
 588   if (not gChatShow) and ((C = '`') or (C = '~') or (C = '¸') or (C = '¨')) then Exit;
 589
 590   if gConsoleShow or gChatShow then
 591   begin
 592     g_Console_Char(C);
 593   end
 594   else if (g_ActiveWindow <> nil) then
 595   begin
 596     Msg.Msg := WM_CHAR;
 597     Msg.WParam := Ord(C);
 598     g_ActiveWindow.OnMessage(Msg);
 599   end
 600   else
 601   begin
 602     for a := 0 to 14 do charbuff[a] := charbuff[a+1];
 603     charbuff[15] := upcase1251(C);
 604     Cheat();
 605   end;
 606 end;
 607
 608
 609 end.