src/game/g_window.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, version 3 of the License ONLY.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  *)
  15 {$INCLUDE ../shared/a_modes.inc}
  16 unit g_window;
  17
  18 interface
  19
  20 uses
  21   utils;
  22
  23 function SDLMain (): Integer;
  24 procedure ResetTimer ();
  25 procedure ProcessLoading (forceUpdate: Boolean=false);
  26
  27 var
  28   gwin_dump_extensions: Boolean = false;
  29   gwin_has_stencil: Boolean = false;
  30   gwin_k8_enable_light_experiments: Boolean = false;
  31   g_dbg_aimline_on: Boolean = false;
  32   g_dbg_input: Boolean = False;
  33
  34 implementation
  35
  36 uses
  37 {$IFDEF WINDOWS}Windows,{$ENDIF}
  38 {$IFDEF ENABLE_HOLMES}
  39   g_holmes, sdlcarcass, fui_ctls,
  40 {$ENDIF}
  41 {$INCLUDE ../nogl/noGLuses.inc}
  42   SysUtils, Classes, MAPDEF, Math,
  43   e_graphics, e_log, e_texture, g_main,
  44   g_console, e_input, g_options, g_game,
  45   g_basic, g_textures, e_sound, g_sound, g_menu, ENet, g_net,
  46   g_map, g_gfx, g_monsters, xprofiler,
  47   g_touch, g_gui, g_system, g_netmaster;
  48
  49
  50 const
  51   ProgressUpdateMSecs = 35; //1;//100;
  52
  53 var
  54   Time, Time_Delta, Time_Old: Int64;
  55   Frame: Int64;
  56   flag: Boolean;
  57   wNeedTimeReset: Boolean = false;
  58   wMinimized: Boolean = false;
  59   wLoadingQuit: Boolean = false;
  60
  61 procedure ResetTimer ();
  62 begin
  63   wNeedTimeReset := true;
  64 end;
  65
  66 {$IFNDEF HEADLESS}
  67 var
  68   prevLoadingUpdateTime: UInt64 = 0;
  69 {$ENDIF}
  70
  71 procedure ProcessLoading (forceUpdate: Boolean=false);
  72 {$IFNDEF HEADLESS}
  73 var
  74   stt: UInt64;
  75 {$ENDIF}
  76 begin
  77   if sys_HandleInput() = True then
  78     Exit;
  79
  80 {$IFNDEF HEADLESS}
  81   if not wMinimized then
  82   begin
  83     if not forceUpdate then
  84     begin
  85       stt := getTimeMilli();
  86       forceUpdate := (stt < prevLoadingUpdateTime) or (stt-prevLoadingUpdateTime >= ProgressUpdateMSecs);
  87     end;
  88
  89     if forceUpdate then
  90     begin
  91       DrawMenuBackground('INTER');
  92       e_DarkenQuadWH(0, 0, gScreenWidth, gScreenHeight, 150);
  93
  94       DrawLoadingStat();
  95       g_Console_Draw(True);
  96       sys_Repaint;
  97       prevLoadingUpdateTime := getTimeMilli();
  98     end;
  99   end;
 100 {$ENDIF}
 101
 102   e_SoundUpdate();
 103
 104   if NetMode = NET_SERVER then
 105   begin
 106     g_Net_Host_Update();
 107   end
 108   else
 109   begin
 110     if (NetMode = NET_CLIENT) and (NetState <> NET_STATE_AUTH) then g_Net_Client_UpdateWhileLoading();
 111   end;
 112 end;
 113
 114
 115 function ProcessMessage (): Boolean;
 116 var
 117   i, t: Integer;
 118 begin
 119   result := sys_HandleInput();
 120
 121   Time := sys_GetTicks();
 122   Time_Delta := Time-Time_Old;
 123
 124   flag := false;
 125
 126   if wNeedTimeReset then
 127   begin
 128     Frame := 0;
 129     Time_Delta := 28;
 130     wNeedTimeReset := false;
 131   end;
 132
 133   g_Map_ProfilersBegin();
 134   g_Mons_ProfilersBegin();
 135
 136   t := Time_Delta div 28;
 137   if (t > 0) then
 138   begin
 139     flag := true;
 140     for i := 1 to t do
 141     begin
 142            if (NetMode = NET_SERVER) then g_Net_Host_Update()
 143       else if (NetMode = NET_CLIENT) then g_Net_Client_Update();
 144       Update();
 145     end;
 146   end
 147   else
 148   begin
 149          if (NetMode = NET_SERVER) then g_Net_Host_Update()
 150     else if (NetMode = NET_CLIENT) then g_Net_Client_Update();
 151   end;
 152
 153   if NetMode = NET_SERVER then g_Net_Flush();
 154
 155   g_Map_ProfilersEnd();
 156   g_Mons_ProfilersEnd();
 157
 158   if wLoadingQuit then
 159   begin
 160     g_Game_Free();
 161     g_Game_Quit();
 162   end;
 163
 164   if (gExit = EXIT_QUIT) then
 165   begin
 166     result := true;
 167     exit;
 168   end;
 169
 170   // Âðåìÿ ïðåäûäóùåãî îáíîâëåíèÿ
 171   if flag then
 172     Time_Old := Time - (Time_Delta mod 28);
 173
 174   // don't wait if VSync is on, GL already probably waits enough
 175   if gLerpActors then
 176     flag := (Time - Frame >= gFrameTime) or gVSync;
 177
 178   if flag then
 179   begin
 180     if (not wMinimized) then
 181     begin
 182       if gPause or not gLerpActors then
 183         gLerpFactor := 1.0
 184       else
 185         gLerpFactor := nmin(1.0, (Time - Time_Old) / 28.0);
 186       Draw;
 187       sys_Repaint
 188     end;
 189     Frame := Time
 190   end
 191   else
 192     sys_Delay(1);
 193
 194   e_SoundUpdate();
 195 end;
 196
 197 function GLExtensionList (): SSArray;
 198 var
 199   s: PChar;
 200   i, j, num: GLint;
 201 begin
 202   result := nil;
 203   s := glGetString(GL_EXTENSIONS);
 204   if s <> nil then
 205   begin
 206     num := 0;
 207     i := 0;
 208     j := 0;
 209     while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
 210     while (s[i] <> #0) do
 211     begin
 212       while (s[i] <> #0) and (s[i] <> ' ') do Inc(i);
 213       SetLength(result, num+1);
 214       result[num] := Copy(s, j+1, i-j);
 215       while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
 216       j := i;
 217       Inc(num);
 218     end;
 219   end;
 220 end;
 221
 222 function GLExtensionSupported (ext: AnsiString): Boolean;
 223 var
 224   exts: SSArray;
 225   e: AnsiString;
 226 begin
 227   result := false;
 228   exts := GLExtensionList();
 229   for e in exts do
 230   begin
 231     //writeln('<', e, '> : [', ext, '] = ', strEquCI1251(e, ext));
 232     if (strEquCI1251(e, ext)) then begin result := true; exit; end;
 233   end;
 234 end;
 235
 236 procedure PrintGLSupportedExtensions;
 237 begin
 238   e_LogWritefln('GL Vendor: %s', [glGetString(GL_VENDOR)]);
 239   e_LogWritefln('GL Renderer: %s', [glGetString(GL_RENDERER)]);
 240   e_LogWritefln('GL Version: %s', [glGetString(GL_VERSION)]);
 241   e_LogWritefln('GL Shaders: %s', [glGetString(GL_SHADING_LANGUAGE_VERSION)]);
 242   e_LogWritefln('GL Extensions: %s', [glGetString(GL_EXTENSIONS)]);
 243 end;
 244
 245 function SDLMain (): Integer;
 246 var
 247   idx: Integer;
 248   arg: AnsiString;
 249   mdfo: TStream;
 250   {$IFDEF ENABLE_HOLMES}
 251   itmp: Integer;
 252   valres: Word;
 253   {$ENDIF}
 254 begin
 255 {$IFDEF HEADLESS}
 256   e_NoGraphics := true;
 257 {$ENDIF}
 258
 259   idx := 1;
 260   while (idx <= ParamCount) do
 261   begin
 262     arg := ParamStr(idx);
 263     Inc(idx);
 264     if arg = '--opengl-dump-exts' then gwin_dump_extensions := true;
 265     //if arg = '--twinkletwinkle' then gwin_k8_enable_light_experiments := true;
 266     if arg = '--jah' then g_profile_history_size := 100;
 267     if arg = '--no-particles' then gpart_dbg_enabled := false;
 268     if arg = '--no-los' then gmon_dbg_los_enabled := false;
 269
 270     if arg = '--profile-render' then g_profile_frame_draw := true;
 271     if arg = '--profile-coldet' then g_profile_collision := true;
 272     if arg = '--profile-los' then g_profile_los := true;
 273
 274     if arg = '--no-part-phys' then gpart_dbg_phys_enabled := false;
 275     if arg = '--no-part-physics' then gpart_dbg_phys_enabled := false;
 276     if arg = '--no-particles-phys' then gpart_dbg_phys_enabled := false;
 277     if arg = '--no-particles-physics' then gpart_dbg_phys_enabled := false;
 278     if arg = '--no-particle-phys' then gpart_dbg_phys_enabled := false;
 279     if arg = '--no-particle-physics' then gpart_dbg_phys_enabled := false;
 280
 281     if arg = '--debug-input' then g_dbg_input := True;
 282
 283     {.$IF DEFINED(D2F_DEBUG)}
 284     if arg = '--aimline' then g_dbg_aimline_on := true;
 285     {.$ENDIF}
 286
 287 {$IFDEF ENABLE_HOLMES}
 288     if arg = '--holmes' then begin g_holmes_enabled := true; g_Game_SetDebugMode(); end;
 289
 290     if (arg = '--holmes-ui-scale') or (arg = '-holmes-ui-scale') then
 291     begin
 292       if (idx <= ParamCount) then
 293       begin
 294         if not conParseFloat(fuiRenderScale, ParamStr(idx)) then fuiRenderScale := 1.0;
 295         Inc(idx);
 296       end;
 297     end;
 298
 299     if (arg = '--holmes-font') or (arg = '-holmes-font') then
 300     begin
 301       if (idx <= ParamCount) then
 302       begin
 303         itmp := 0;
 304         val(ParamStr(idx), itmp, valres);
 305         {$IFNDEF HEADLESS}
 306         if (valres = 0) and (not g_holmes_imfunctional) then
 307         begin
 308           case itmp of
 309             8: uiContext.font := 'win8';
 310             14: uiContext.font := 'win14';
 311             16: uiContext.font := 'win16';
 312           end;
 313         end;
 314         {$ELSE}
 315         // fuck off, fpc!
 316         itmp := itmp;
 317         valres := valres;
 318         {$ENDIF}
 319         Inc(idx);
 320       end;
 321     end;
 322 {$ENDIF}
 323
 324     if (arg = '--game-scale') or (arg = '-game-scale') then
 325     begin
 326       if (idx <= ParamCount) then
 327       begin
 328         if not conParseFloat(g_dbg_scale, ParamStr(idx)) then g_dbg_scale := 1.0;
 329         Inc(idx);
 330       end;
 331     end;
 332
 333     if (arg = '--write-mapdef') or (arg = '-write-mapdef') then
 334     begin
 335       mdfo := createDiskFile('mapdef.txt');
 336       mdfo.WriteBuffer(defaultMapDef[1], Length(defaultMapDef));
 337       mdfo.Free();
 338       Halt(0);
 339     end;
 340
 341     if (arg = '--pixel-scale') or (arg = '-pixel-scale') then
 342     begin
 343       if (idx <= ParamCount) then
 344       begin
 345         if not conParseFloat(r_pixel_scale, ParamStr(idx)) then r_pixel_scale := 1.0;
 346         Inc(idx);
 347       end;
 348     end;
 349   end;
 350
 351 {$IFNDEF USE_SYSSTUB}
 352   PrintGLSupportedExtensions;
 353   glLegacyNPOT := not (GLExtensionSupported('GL_ARB_texture_non_power_of_two') or GLExtensionSupported('GL_OES_texture_npot'));
 354 {$ELSE}
 355   glLegacyNPOT := False;
 356   glRenderToFBO := False;
 357 {$ENDIF}
 358   if glNPOTOverride and glLegacyNPOT then
 359   begin
 360     glLegacyNPOT := true;
 361     e_logWriteln('NPOT texture emulation: FORCED');
 362   end
 363   else
 364   begin
 365     if (glLegacyNPOT) then e_logWriteln('NPOT texture emulation: enabled')
 366     else e_logWriteln('NPOT texture emulation: disabled');
 367   end;
 368   gwin_dump_extensions := false;
 369
 370   Init;
 371   Time_Old := sys_GetTicks();
 372
 373   g_Net_InitLowLevel();
 374
 375   // Êîìàíäíàÿ ñòðîêà
 376   if (ParamCount > 0) then g_Game_Process_Params();
 377
 378 {$IFNDEF HEADLESS}
 379   // Çàïðîñ ÿçûêà
 380   if (not gGameOn) and gAskLanguage then g_Menu_AskLanguage();
 381 {$ENDIF}
 382
 383   e_WriteLog('Entering the main loop', TMsgType.Notify);
 384
 385   // main loop
 386   while not ProcessMessage() do begin end;
 387
 388   g_Net_Slist_ShutdownAll();
 389
 390   Release();
 391
 392   g_Net_DeinitLowLevel();
 393   result := 0;
 394 end;
 395
 396
 397 initialization
 398   conRegVar('d_input', @g_dbg_input, '', '')
 399 end.