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   r_graphics, e_log, e_texture, g_main,
  44   g_console, r_console, e_input, g_options, g_game, r_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 {$IFNDEF HEADLESS}
  81   if not wMinimized then
  82   begin
  83     if not forceUpdate then
  84     begin
  85       stt := getTimeMilli();
  86       forceUpdate := (stt < prevLoadingUpdateTime) or (stt-prevLoadingUpdateTime >= ProgressUpdateMSecs);
  87     end;
  88
  89     if forceUpdate then
  90     begin
  91       e_SetRendertarget(True);
  92       e_SetViewPort(0, 0, gScreenWidth, gScreenHeight);
  93
  94       r_Game_DrawMenuBackground('INTER');
  95       e_DarkenQuadWH(0, 0, gScreenWidth, gScreenHeight, 150);
  96       r_Game_DrawLoadingStat();
  97       r_Console_Draw(True);
  98
  99       e_SetRendertarget(False);
 100       e_SetViewPort(0, 0, gWinSizeX, gWinSizeY);
 101       e_BlitFramebuffer(gWinSizeX, gWinSizeY);
 102
 103       sys_Repaint;
 104       prevLoadingUpdateTime := getTimeMilli();
 105     end;
 106   end;
 107 {$ENDIF}
 108
 109   e_SoundUpdate();
 110
 111   if NetMode = NET_SERVER then
 112   begin
 113     g_Net_Host_Update();
 114   end
 115   else
 116   begin
 117     if (NetMode = NET_CLIENT) and (NetState <> NET_STATE_AUTH) then g_Net_Client_UpdateWhileLoading();
 118   end;
 119 end;
 120
 121
 122 function ProcessMessage (): Boolean;
 123 var
 124   i, t: Integer;
 125 begin
 126   result := sys_HandleInput();
 127
 128   Time := sys_GetTicks();
 129   Time_Delta := Time-Time_Old;
 130
 131   flag := false;
 132
 133   if wNeedTimeReset then
 134   begin
 135     Frame := 0;
 136     Time_Delta := 28;
 137     wNeedTimeReset := false;
 138   end;
 139
 140   g_Map_ProfilersBegin();
 141   g_Mons_ProfilersBegin();
 142
 143   t := Time_Delta div 28;
 144   if (t > 0) then
 145   begin
 146     flag := true;
 147     for i := 1 to t do
 148       Update();
 149   end;
 150
 151   g_Map_ProfilersEnd();
 152   g_Mons_ProfilersEnd();
 153
 154   if wLoadingQuit then
 155   begin
 156     g_Game_Free();
 157     g_Game_Quit();
 158   end;
 159
 160   if (gExit = EXIT_QUIT) then
 161   begin
 162     result := true;
 163     exit;
 164   end;
 165
 166   // Âðåìÿ ïðåäûäóùåãî îáíîâëåíèÿ
 167   if flag then
 168     Time_Old := Time - (Time_Delta mod 28);
 169
 170   // don't wait if VSync is on, GL already probably waits enough
 171   if gLerpActors then
 172     flag := (Time - Frame >= gFrameTime) or gVSync;
 173
 174   if flag then
 175   begin
 176     if (not wMinimized) then
 177     begin
 178       if gPause or (not gLerpActors) or (gState = STATE_FOLD) then
 179         gLerpFactor := 1.0
 180       else
 181         gLerpFactor := nmin(1.0, (Time - Time_Old) / 28.0);
 182       Draw;
 183       sys_Repaint
 184     end;
 185     Frame := Time
 186   end
 187   else
 188     sys_Delay(1);
 189
 190   e_SoundUpdate();
 191 end;
 192
 193 function GLExtensionList (): SSArray;
 194 var
 195   s: PChar;
 196   i, j, num: GLint;
 197 begin
 198   result := nil;
 199   s := glGetString(GL_EXTENSIONS);
 200   if s <> nil then
 201   begin
 202     num := 0;
 203     i := 0;
 204     j := 0;
 205     while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
 206     while (s[i] <> #0) do
 207     begin
 208       while (s[i] <> #0) and (s[i] <> ' ') do Inc(i);
 209       SetLength(result, num+1);
 210       result[num] := Copy(s, j+1, i-j);
 211       while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
 212       j := i;
 213       Inc(num);
 214     end;
 215   end;
 216 end;
 217
 218 function GLExtensionSupported (ext: AnsiString): Boolean;
 219 var
 220   exts: SSArray;
 221   e: AnsiString;
 222 begin
 223   result := false;
 224   exts := GLExtensionList();
 225   for e in exts do
 226   begin
 227     //writeln('<', e, '> : [', ext, '] = ', strEquCI1251(e, ext));
 228     if (strEquCI1251(e, ext)) then begin result := true; exit; end;
 229   end;
 230 end;
 231
 232 procedure PrintGLSupportedExtensions;
 233 begin
 234   e_LogWritefln('GL Vendor: %s', [glGetString(GL_VENDOR)]);
 235   e_LogWritefln('GL Renderer: %s', [glGetString(GL_RENDERER)]);
 236   e_LogWritefln('GL Version: %s', [glGetString(GL_VERSION)]);
 237   e_LogWritefln('GL Shaders: %s', [glGetString(GL_SHADING_LANGUAGE_VERSION)]);
 238   e_LogWritefln('GL Extensions: %s', [glGetString(GL_EXTENSIONS)]);
 239 end;
 240
 241 function SDLMain (): Integer;
 242 var
 243   idx: Integer;
 244   arg: AnsiString;
 245   mdfo: TStream;
 246   {$IFDEF ENABLE_HOLMES}
 247   itmp: Integer;
 248   valres: Word;
 249   {$ENDIF}
 250 begin
 251 {$IFDEF HEADLESS}
 252   e_NoGraphics := true;
 253 {$ENDIF}
 254
 255   idx := 1;
 256   while (idx <= ParamCount) do
 257   begin
 258     arg := ParamStr(idx);
 259     Inc(idx);
 260     if arg = '--opengl-dump-exts' then gwin_dump_extensions := true;
 261     //if arg = '--twinkletwinkle' then gwin_k8_enable_light_experiments := true;
 262     if arg = '--jah' then g_profile_history_size := 100;
 263     if arg = '--no-particles' then gpart_dbg_enabled := false;
 264     if arg = '--no-los' then gmon_dbg_los_enabled := false;
 265
 266     if arg = '--profile-render' then g_profile_frame_draw := true;
 267     if arg = '--profile-coldet' then g_profile_collision := true;
 268     if arg = '--profile-los' then g_profile_los := true;
 269
 270     if arg = '--no-part-phys' then gpart_dbg_phys_enabled := false;
 271     if arg = '--no-part-physics' then gpart_dbg_phys_enabled := false;
 272     if arg = '--no-particles-phys' then gpart_dbg_phys_enabled := false;
 273     if arg = '--no-particles-physics' then gpart_dbg_phys_enabled := false;
 274     if arg = '--no-particle-phys' then gpart_dbg_phys_enabled := false;
 275     if arg = '--no-particle-physics' then gpart_dbg_phys_enabled := false;
 276
 277     if arg = '--debug-input' then g_dbg_input := True;
 278
 279     {.$IF DEFINED(D2F_DEBUG)}
 280     if arg = '--aimline' then g_dbg_aimline_on := true;
 281     {.$ENDIF}
 282
 283 {$IFDEF ENABLE_HOLMES}
 284     if arg = '--holmes' then begin g_holmes_enabled := true; g_Game_SetDebugMode(); end;
 285
 286     if (arg = '--holmes-ui-scale') or (arg = '-holmes-ui-scale') then
 287     begin
 288       if (idx <= ParamCount) then
 289       begin
 290         if not conParseFloat(fuiRenderScale, ParamStr(idx)) then fuiRenderScale := 1.0;
 291         Inc(idx);
 292       end;
 293     end;
 294
 295     if (arg = '--holmes-font') or (arg = '-holmes-font') then
 296     begin
 297       if (idx <= ParamCount) then
 298       begin
 299         itmp := 0;
 300         val(ParamStr(idx), itmp, valres);
 301         {$IFNDEF HEADLESS}
 302         if (valres = 0) and (not g_holmes_imfunctional) then
 303         begin
 304           case itmp of
 305             8: uiContext.font := 'win8';
 306             14: uiContext.font := 'win14';
 307             16: uiContext.font := 'win16';
 308           end;
 309         end;
 310         {$ELSE}
 311         // fuck off, fpc!
 312         itmp := itmp;
 313         valres := valres;
 314         {$ENDIF}
 315         Inc(idx);
 316       end;
 317     end;
 318 {$ENDIF}
 319
 320     if (arg = '--game-scale') or (arg = '-game-scale') then
 321     begin
 322       if (idx <= ParamCount) then
 323       begin
 324         if not conParseFloat(g_dbg_scale, ParamStr(idx)) then g_dbg_scale := 1.0;
 325         Inc(idx);
 326       end;
 327     end;
 328
 329     if (arg = '--write-mapdef') or (arg = '-write-mapdef') then
 330     begin
 331       mdfo := createDiskFile('mapdef.txt');
 332       mdfo.WriteBuffer(defaultMapDef[1], Length(defaultMapDef));
 333       mdfo.Free();
 334       Halt(0);
 335     end;
 336
 337     if (arg = '--pixel-scale') or (arg = '-pixel-scale') then
 338     begin
 339       if (idx <= ParamCount) then
 340       begin
 341         if not conParseFloat(r_pixel_scale, ParamStr(idx)) then r_pixel_scale := 1.0;
 342         Inc(idx);
 343       end;
 344     end;
 345   end;
 346
 347 {$IFNDEF USE_SYSSTUB}
 348   PrintGLSupportedExtensions;
 349   glLegacyNPOT := not (GLExtensionSupported('GL_ARB_texture_non_power_of_two') or GLExtensionSupported('GL_OES_texture_npot'));
 350 {$ELSE}
 351   glLegacyNPOT := False;
 352   glRenderToFBO := False;
 353 {$ENDIF}
 354   if glNPOTOverride and glLegacyNPOT then
 355   begin
 356     glLegacyNPOT := true;
 357     e_logWriteln('NPOT texture emulation: FORCED');
 358   end
 359   else
 360   begin
 361     if (glLegacyNPOT) then e_logWriteln('NPOT texture emulation: enabled')
 362     else e_logWriteln('NPOT texture emulation: disabled');
 363   end;
 364   gwin_dump_extensions := false;
 365
 366   Init;
 367   Time_Old := sys_GetTicks();
 368
 369   g_Net_InitLowLevel();
 370
 371   // Êîìàíäíàÿ ñòðîêà
 372   if (ParamCount > 0) then g_Game_Process_Params();
 373
 374 {$IFNDEF HEADLESS}
 375   // Çàïðîñ ÿçûêà
 376   if (not gGameOn) and gAskLanguage then g_Menu_AskLanguage();
 377 {$ENDIF}
 378
 379   e_WriteLog('Entering the main loop', TMsgType.Notify);
 380
 381   // main loop
 382   while not ProcessMessage() do begin end;
 383
 384   g_Net_Slist_ShutdownAll();
 385
 386   Release();
 387
 388   g_Net_DeinitLowLevel();
 389   result := 0;
 390 end;
 391
 392
 393 initialization
 394   conRegVar('d_input', @g_dbg_input, '', '')
 395 end.