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
 148   if NetMode = NET_SERVER then g_Net_Flush();
 149
 150   g_Map_ProfilersEnd();
 151   g_Mons_ProfilersEnd();
 152
 153   if wLoadingQuit then
 154   begin
 155     g_Game_Free();
 156     g_Game_Quit();
 157   end;
 158
 159   if (gExit = EXIT_QUIT) then
 160   begin
 161     result := true;
 162     exit;
 163   end;
 164
 165   // Âðåìÿ ïðåäûäóùåãî îáíîâëåíèÿ
 166   if flag then
 167     Time_Old := Time - (Time_Delta mod 28);
 168
 169   // don't wait if VSync is on, GL already probably waits enough
 170   if gLerpActors then
 171     flag := (Time - Frame >= gFrameTime) or gVSync;
 172
 173   if flag then
 174   begin
 175     if (not wMinimized) then
 176     begin
 177       if gPause or not gLerpActors then
 178         gLerpFactor := 1.0
 179       else
 180         gLerpFactor := nmin(1.0, (Time - Time_Old) / 28.0);
 181       Draw;
 182       sys_Repaint
 183     end;
 184     Frame := Time
 185   end
 186   else
 187     sys_Delay(1);
 188
 189   e_SoundUpdate();
 190 end;
 191
 192 function GLExtensionList (): SSArray;
 193 var
 194   s: PChar;
 195   i, j, num: GLint;
 196 begin
 197   result := nil;
 198   s := glGetString(GL_EXTENSIONS);
 199   if s <> nil then
 200   begin
 201     num := 0;
 202     i := 0;
 203     j := 0;
 204     while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
 205     while (s[i] <> #0) do
 206     begin
 207       while (s[i] <> #0) and (s[i] <> ' ') do Inc(i);
 208       SetLength(result, num+1);
 209       result[num] := Copy(s, j+1, i-j);
 210       while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
 211       j := i;
 212       Inc(num);
 213     end;
 214   end;
 215 end;
 216
 217 function GLExtensionSupported (ext: AnsiString): Boolean;
 218 var
 219   exts: SSArray;
 220   e: AnsiString;
 221 begin
 222   result := false;
 223   exts := GLExtensionList();
 224   for e in exts do
 225   begin
 226     //writeln('<', e, '> : [', ext, '] = ', strEquCI1251(e, ext));
 227     if (strEquCI1251(e, ext)) then begin result := true; exit; end;
 228   end;
 229 end;
 230
 231 procedure PrintGLSupportedExtensions;
 232 begin
 233   e_LogWritefln('GL Vendor: %s', [glGetString(GL_VENDOR)]);
 234   e_LogWritefln('GL Renderer: %s', [glGetString(GL_RENDERER)]);
 235   e_LogWritefln('GL Version: %s', [glGetString(GL_VERSION)]);
 236   e_LogWritefln('GL Shaders: %s', [glGetString(GL_SHADING_LANGUAGE_VERSION)]);
 237   e_LogWritefln('GL Extensions: %s', [glGetString(GL_EXTENSIONS)]);
 238 end;
 239
 240 function SDLMain (): Integer;
 241 var
 242   idx: Integer;
 243   arg: AnsiString;
 244   mdfo: TStream;
 245   {$IFDEF ENABLE_HOLMES}
 246   itmp: Integer;
 247   valres: Word;
 248   {$ENDIF}
 249 begin
 250 {$IFDEF HEADLESS}
 251   e_NoGraphics := true;
 252 {$ENDIF}
 253
 254   idx := 1;
 255   while (idx <= ParamCount) do
 256   begin
 257     arg := ParamStr(idx);
 258     Inc(idx);
 259     if arg = '--opengl-dump-exts' then gwin_dump_extensions := true;
 260     //if arg = '--twinkletwinkle' then gwin_k8_enable_light_experiments := true;
 261     if arg = '--jah' then g_profile_history_size := 100;
 262     if arg = '--no-particles' then gpart_dbg_enabled := false;
 263     if arg = '--no-los' then gmon_dbg_los_enabled := false;
 264
 265     if arg = '--profile-render' then g_profile_frame_draw := true;
 266     if arg = '--profile-coldet' then g_profile_collision := true;
 267     if arg = '--profile-los' then g_profile_los := true;
 268
 269     if arg = '--no-part-phys' then gpart_dbg_phys_enabled := false;
 270     if arg = '--no-part-physics' then gpart_dbg_phys_enabled := false;
 271     if arg = '--no-particles-phys' then gpart_dbg_phys_enabled := false;
 272     if arg = '--no-particles-physics' then gpart_dbg_phys_enabled := false;
 273     if arg = '--no-particle-phys' then gpart_dbg_phys_enabled := false;
 274     if arg = '--no-particle-physics' then gpart_dbg_phys_enabled := false;
 275
 276     if arg = '--debug-input' then g_dbg_input := True;
 277
 278     {.$IF DEFINED(D2F_DEBUG)}
 279     if arg = '--aimline' then g_dbg_aimline_on := true;
 280     {.$ENDIF}
 281
 282 {$IFDEF ENABLE_HOLMES}
 283     if arg = '--holmes' then begin g_holmes_enabled := true; g_Game_SetDebugMode(); end;
 284
 285     if (arg = '--holmes-ui-scale') or (arg = '-holmes-ui-scale') then
 286     begin
 287       if (idx <= ParamCount) then
 288       begin
 289         if not conParseFloat(fuiRenderScale, ParamStr(idx)) then fuiRenderScale := 1.0;
 290         Inc(idx);
 291       end;
 292     end;
 293
 294     if (arg = '--holmes-font') or (arg = '-holmes-font') then
 295     begin
 296       if (idx <= ParamCount) then
 297       begin
 298         itmp := 0;
 299         val(ParamStr(idx), itmp, valres);
 300         {$IFNDEF HEADLESS}
 301         if (valres = 0) and (not g_holmes_imfunctional) then
 302         begin
 303           case itmp of
 304             8: uiContext.font := 'win8';
 305             14: uiContext.font := 'win14';
 306             16: uiContext.font := 'win16';
 307           end;
 308         end;
 309         {$ELSE}
 310         // fuck off, fpc!
 311         itmp := itmp;
 312         valres := valres;
 313         {$ENDIF}
 314         Inc(idx);
 315       end;
 316     end;
 317 {$ENDIF}
 318
 319     if (arg = '--game-scale') or (arg = '-game-scale') then
 320     begin
 321       if (idx <= ParamCount) then
 322       begin
 323         if not conParseFloat(g_dbg_scale, ParamStr(idx)) then g_dbg_scale := 1.0;
 324         Inc(idx);
 325       end;
 326     end;
 327
 328     if (arg = '--write-mapdef') or (arg = '-write-mapdef') then
 329     begin
 330       mdfo := createDiskFile('mapdef.txt');
 331       mdfo.WriteBuffer(defaultMapDef[1], Length(defaultMapDef));
 332       mdfo.Free();
 333       Halt(0);
 334     end;
 335
 336     if (arg = '--pixel-scale') or (arg = '-pixel-scale') then
 337     begin
 338       if (idx <= ParamCount) then
 339       begin
 340         if not conParseFloat(r_pixel_scale, ParamStr(idx)) then r_pixel_scale := 1.0;
 341         Inc(idx);
 342       end;
 343     end;
 344   end;
 345
 346 {$IFNDEF USE_SYSSTUB}
 347   PrintGLSupportedExtensions;
 348   glLegacyNPOT := not (GLExtensionSupported('GL_ARB_texture_non_power_of_two') or GLExtensionSupported('GL_OES_texture_npot'));
 349 {$ELSE}
 350   glLegacyNPOT := False;
 351   glRenderToFBO := False;
 352 {$ENDIF}
 353   if glNPOTOverride and glLegacyNPOT then
 354   begin
 355     glLegacyNPOT := true;
 356     e_logWriteln('NPOT texture emulation: FORCED');
 357   end
 358   else
 359   begin
 360     if (glLegacyNPOT) then e_logWriteln('NPOT texture emulation: enabled')
 361     else e_logWriteln('NPOT texture emulation: disabled');
 362   end;
 363   gwin_dump_extensions := false;
 364
 365   Init;
 366   Time_Old := sys_GetTicks();
 367
 368   g_Net_InitLowLevel();
 369
 370   // Êîìàíäíàÿ ñòðîêà
 371   if (ParamCount > 0) then g_Game_Process_Params();
 372
 373 {$IFNDEF HEADLESS}
 374   // Çàïðîñ ÿçûêà
 375   if (not gGameOn) and gAskLanguage then g_Menu_AskLanguage();
 376 {$ENDIF}
 377
 378   e_WriteLog('Entering the main loop', TMsgType.Notify);
 379
 380   // main loop
 381   while not ProcessMessage() do begin end;
 382
 383   g_Net_Slist_ShutdownAll();
 384
 385   Release();
 386
 387   g_Net_DeinitLowLevel();
 388   result := 0;
 389 end;
 390
 391
 392 initialization
 393   conRegVar('d_input', @g_dbg_input, '', '')
 394 end.