vid_wgl.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // gl_vidnt.c -- NT GL vid component
  21
  22 #include "quakedef.h"
  23 #include "winquake.h"
  24 #include "resource.h"
  25 #include <commctrl.h>
  26
  27 int cl_available = true;
  28
  29 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  30 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  31 //int (WINAPI *qwglGetPixelFormat)(HDC);
  32 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  33 BOOL (WINAPI *qwglSwapBuffers)(HDC);
  34 HGLRC (WINAPI *qwglCreateContext)(HDC);
  35 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  36 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  37 HDC (WINAPI *qwglGetCurrentDC)(VOID);
  38 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  39 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  40 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  41 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  42
  43 static gl_extensionfunctionlist_t getextensionsstringfuncs[] =
  44 {
  45         {"wglGetExtensionsString", (void **) &qwglGetExtensionsStringARB},
  46         {NULL, NULL}
  47 };
  48
  49 static gl_extensionfunctionlist_t wglfuncs[] =
  50 {
  51         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  52         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  53 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  54         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  55         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  56         {"wglCreateContext", (void **) &qwglCreateContext},
  57         {"wglDeleteContext", (void **) &qwglDeleteContext},
  58         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  59         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  60         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  61         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  62         {NULL, NULL}
  63 };
  64
  65 static gl_extensionfunctionlist_t wglswapintervalfuncs[] =
  66 {
  67         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  68         {NULL, NULL}
  69 };
  70
  71 #define MAX_MODE_LIST   30
  72 #define VID_ROW_SIZE    3
  73 #define MAXWIDTH                10000
  74 #define MAXHEIGHT               10000
  75
  76 #define MODE_WINDOWED                   0
  77 #define NO_MODE                                 (MODE_WINDOWED - 1)
  78 #define MODE_FULLSCREEN_DEFAULT (MODE_WINDOWED + 1)
  79
  80 typedef struct {
  81         modestate_t     type;
  82         int                     width;
  83         int                     height;
  84         int                     modenum;
  85         int                     dib;
  86         int                     fullscreen;
  87         int                     bpp;
  88         char            modedesc[17];
  89 } vmode_t;
  90
  91 typedef struct {
  92         int                     width;
  93         int                     height;
  94 } lmode_t;
  95
  96 lmode_t lowresmodes[] = {
  97         {320, 200},
  98         {320, 240},
  99         {400, 300},
 100         {512, 384},
 101 };
 102
 103 qboolean scr_skipupdate;
 104
 105 static vmode_t modelist[MAX_MODE_LIST];
 106 static int nummodes;
 107 static vmode_t badmode;
 108
 109 static DEVMODE gdevmode;
 110 static qboolean vid_initialized = false;
 111 static qboolean windowed, leavecurrentmode;
 112 static qboolean vid_wassuspended = false;
 113 static int vid_usingmouse;
 114 extern qboolean mouseactive;  // from in_win.c
 115 static HICON hIcon;
 116
 117 int DIBWidth, DIBHeight;
 118 RECT WindowRect;
 119 DWORD WindowStyle, ExWindowStyle;
 120
 121 HWND mainwindow;
 122
 123 int vid_modenum = NO_MODE;
 124 int vid_realmode;
 125 int vid_default = MODE_WINDOWED;
 126 static int windowed_default;
 127 unsigned char vid_curpal[256*3];
 128
 129 HGLRC baseRC;
 130 HDC maindc;
 131
 132 HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
 133
 134 // global video state
 135 viddef_t vid;
 136
 137 modestate_t modestate = MS_UNINIT;
 138
 139 void VID_MenuDraw (void);
 140 void VID_MenuKey (int key);
 141
 142 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 143 void AppActivate(BOOL fActive, BOOL minimize);
 144 char *VID_GetModeDescription (int mode);
 145 void ClearAllStates (void);
 146 void VID_UpdateWindowStatus (void);
 147
 148 //====================================
 149
 150 int window_center_x, window_center_y, window_x, window_y, window_width, window_height;
 151 RECT window_rect;
 152
 153 // direct draw software compatability stuff
 154
 155 void CenterWindow(HWND hWndCenter, int width, int height, BOOL lefttopjustify)
 156 {
 157         int CenterX, CenterY;
 158
 159         CenterX = (GetSystemMetrics(SM_CXSCREEN) - width) / 2;
 160         CenterY = (GetSystemMetrics(SM_CYSCREEN) - height) / 2;
 161         if (CenterX > CenterY*2)
 162                 CenterX >>= 1;  // dual screens
 163         CenterX = (CenterX < 0) ? 0: CenterX;
 164         CenterY = (CenterY < 0) ? 0: CenterY;
 165         SetWindowPos (hWndCenter, NULL, CenterX, CenterY, 0, 0,
 166                         SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 167 }
 168
 169 qboolean VID_SetWindowedMode (int modenum)
 170 {
 171         int lastmodestate, width, height;
 172         RECT rect;
 173
 174         lastmodestate = modestate;
 175
 176         WindowRect.top = WindowRect.left = 0;
 177
 178         WindowRect.right = modelist[modenum].width;
 179         WindowRect.bottom = modelist[modenum].height;
 180
 181         DIBWidth = modelist[modenum].width;
 182         DIBHeight = modelist[modenum].height;
 183
 184         WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 185         ExWindowStyle = 0;
 186
 187         rect = WindowRect;
 188         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 189
 190         width = rect.right - rect.left;
 191         height = rect.bottom - rect.top;
 192
 193         // Create the DIB window
 194         mainwindow = CreateWindowEx (ExWindowStyle, gamename, gamename, WindowStyle, rect.left, rect.top, width, height, NULL, NULL, global_hInstance, NULL);
 195
 196         if (!mainwindow)
 197                 Sys_Error ("Couldn't create DIB window");
 198
 199         // Center and show the DIB window
 200         CenterWindow(mainwindow, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top, false);
 201
 202         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 203         UpdateWindow (mainwindow);
 204
 205         modestate = MS_WINDOWED;
 206
 207         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
 208         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
 209
 210         return true;
 211 }
 212
 213
 214 qboolean VID_SetFullDIBMode (int modenum)
 215 {
 216         int lastmodestate, width, height;
 217         RECT rect;
 218
 219         if (!leavecurrentmode)
 220         {
 221                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 222                 gdevmode.dmBitsPerPel = modelist[modenum].bpp;
 223                 gdevmode.dmPelsWidth = modelist[modenum].width;
 224                 gdevmode.dmPelsHeight = modelist[modenum].height;
 225                 gdevmode.dmSize = sizeof (gdevmode);
 226
 227                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 228                         Sys_Error ("Couldn't set fullscreen DIB mode");
 229         }
 230
 231         lastmodestate = modestate;
 232         modestate = MS_FULLDIB;
 233
 234         WindowRect.top = WindowRect.left = 0;
 235
 236         WindowRect.right = modelist[modenum].width;
 237         WindowRect.bottom = modelist[modenum].height;
 238
 239         DIBWidth = modelist[modenum].width;
 240         DIBHeight = modelist[modenum].height;
 241
 242         WindowStyle = WS_POPUP;
 243         ExWindowStyle = 0;
 244
 245         rect = WindowRect;
 246         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 247
 248         width = rect.right - rect.left;
 249         height = rect.bottom - rect.top;
 250
 251         // Create the DIB window
 252         mainwindow = CreateWindowEx (ExWindowStyle, gamename, gamename, WindowStyle, rect.left, rect.top, width, height, NULL, NULL, global_hInstance, NULL);
 253
 254         if (!mainwindow)
 255                 Sys_Error ("Couldn't create DIB window");
 256
 257         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 258         UpdateWindow (mainwindow);
 259
 260 // needed because we're not getting WM_MOVE messages fullscreen on NT
 261         window_x = 0;
 262         window_y = 0;
 263
 264         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
 265         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
 266
 267         return true;
 268 }
 269
 270
 271 int VID_SetMode (int modenum)
 272 {
 273         int original_mode;
 274         qboolean stat = 0;
 275         MSG msg;
 276
 277         if ((windowed && (modenum != 0)) || (!windowed && (modenum < 1)) || (!windowed && (modenum >= nummodes)))
 278                 Sys_Error ("Bad video mode\n");
 279
 280         CDAudio_Pause ();
 281
 282         if (vid_modenum == NO_MODE)
 283                 original_mode = windowed_default;
 284         else
 285                 original_mode = vid_modenum;
 286
 287         // Set either the fullscreen or windowed mode
 288         if (modelist[modenum].type == MS_WINDOWED)
 289                 stat = VID_SetWindowedMode(modenum);
 290         else if (modelist[modenum].type == MS_FULLDIB)
 291                 stat = VID_SetFullDIBMode(modenum);
 292         else
 293                 Sys_Error ("VID_SetMode: Bad mode type in modelist");
 294
 295         window_width = DIBWidth;
 296         window_height = DIBHeight;
 297         VID_UpdateWindowStatus ();
 298
 299         CDAudio_Resume ();
 300
 301         if (!stat)
 302                 Sys_Error ("Couldn't set video mode");
 303
 304 // now we try to make sure we get the focus on the mode switch, because
 305 // sometimes in some systems we don't.  We grab the foreground, then
 306 // finish setting up, pump all our messages, and sleep for a little while
 307 // to let messages finish bouncing around the system, then we put
 308 // ourselves at the top of the z order, then grab the foreground again,
 309 // Who knows if it helps, but it probably doesn't hurt
 310         SetForegroundWindow (mainwindow);
 311         vid_modenum = modenum;
 312         Cvar_SetValue ("vid_mode", (float)vid_modenum);
 313
 314         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 315         {
 316                 TranslateMessage (&msg);
 317                 DispatchMessage (&msg);
 318         }
 319
 320         Sleep (100);
 321
 322         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 323
 324         SetForegroundWindow (mainwindow);
 325
 326 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 327         ClearAllStates ();
 328
 329         if (!msg_suppress_1)
 330                 Con_SafePrintf ("Video mode %s initialized.\n", VID_GetModeDescription (vid_modenum));
 331
 332         return true;
 333 }
 334
 335
 336 /*
 337 ================
 338 VID_UpdateWindowStatus
 339 ================
 340 */
 341 void VID_UpdateWindowStatus (void)
 342 {
 343         window_rect.left = window_x;
 344         window_rect.top = window_y;
 345         window_rect.right = window_x + window_width;
 346         window_rect.bottom = window_y + window_height;
 347         window_center_x = (window_rect.left + window_rect.right) / 2;
 348         window_center_y = (window_rect.top + window_rect.bottom) / 2;
 349
 350         IN_UpdateClipCursor ();
 351 }
 352
 353
 354 //====================================
 355
 356 /*
 357 =================
 358 VID_GetWindowSize
 359 =================
 360 */
 361 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 362 {
 363         *x = *y = 0;
 364         *width = WindowRect.right - WindowRect.left;
 365         *height = WindowRect.bottom - WindowRect.top;
 366 }
 367
 368
 369 void VID_Finish (void)
 370 {
 371         int vid_usemouse;
 372         if (r_render.integer && !scr_skipupdate)
 373         {
 374                 qglFinish();
 375                 SwapBuffers(maindc);
 376         }
 377
 378 // handle the mouse state when windowed if that's changed
 379         vid_usemouse = false;
 380         if (vid_mouse.integer && !key_consoleactive)
 381                 vid_usemouse = true;
 382         if (modestate == MS_FULLDIB)
 383                 vid_usemouse = true;
 384         if (!vid_activewindow)
 385                 vid_usemouse = false;
 386         if (vid_usemouse)
 387         {
 388                 if (!vid_usingmouse)
 389                 {
 390                         vid_usingmouse = true;
 391                         IN_ActivateMouse ();
 392                         IN_HideMouse();
 393                 }
 394         }
 395         else
 396         {
 397                 if (vid_usingmouse)
 398                 {
 399                         vid_usingmouse = false;
 400                         IN_DeactivateMouse ();
 401                         IN_ShowMouse();
 402                 }
 403         }
 404 }
 405
 406 void VID_SetDefaultMode (void)
 407 {
 408         IN_DeactivateMouse ();
 409 }
 410
 411 void VID_RestoreSystemGamma(void);
 412
 413 void VID_Shutdown (void)
 414 {
 415         HGLRC hRC;
 416         HDC hDC;
 417
 418         if (vid_initialized)
 419         {
 420                 if (qwglGetCurrentContext)
 421                         hRC = qwglGetCurrentContext();
 422                 if (qwglGetCurrentDC)
 423                         hDC = qwglGetCurrentDC();
 424
 425                 if (qwglMakeCurrent)
 426                         qwglMakeCurrent(NULL, NULL);
 427
 428                 if (hRC && qwglDeleteContext)
 429                         qwglDeleteContext(hRC);
 430
 431                 // close the library before we get rid of the window
 432                 GL_CloseLibrary();
 433
 434                 if (hDC && mainwindow)
 435                         ReleaseDC(mainwindow, hDC);
 436
 437                 if (modestate == MS_FULLDIB)
 438                         ChangeDisplaySettings (NULL, 0);
 439
 440                 if (maindc && mainwindow)
 441                         ReleaseDC (mainwindow, maindc);
 442
 443                 AppActivate(false, false);
 444
 445                 VID_RestoreSystemGamma();
 446         }
 447 }
 448
 449
 450 //==========================================================================
 451
 452
 453 BOOL bSetupPixelFormat(HDC hDC)
 454 {
 455         static PIXELFORMATDESCRIPTOR pfd = {
 456         sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 457         1,                              // version number
 458         PFD_DRAW_TO_WINDOW              // support window
 459         |  PFD_SUPPORT_OPENGL   // support OpenGL
 460         |  PFD_DOUBLEBUFFER ,   // double buffered
 461         PFD_TYPE_RGBA,                  // RGBA type
 462         24,                             // 24-bit color depth
 463         0, 0, 0, 0, 0, 0,               // color bits ignored
 464         0,                              // no alpha buffer
 465         0,                              // shift bit ignored
 466         0,                              // no accumulation buffer
 467         0, 0, 0, 0,                     // accum bits ignored
 468         32,                             // 32-bit z-buffer
 469         0,                              // no stencil buffer
 470         0,                              // no auxiliary buffer
 471         PFD_MAIN_PLANE,                 // main layer
 472         0,                              // reserved
 473         0, 0, 0                         // layer masks ignored
 474         };
 475         int pixelformat;
 476
 477         if ( (pixelformat = ChoosePixelFormat(hDC, &pfd)) == 0 )
 478         {
 479                 MessageBox(NULL, "ChoosePixelFormat failed", "Error", MB_OK);
 480                 return false;
 481         }
 482
 483         if (SetPixelFormat(hDC, pixelformat, &pfd) == false)
 484         {
 485                 MessageBox(NULL, "SetPixelFormat failed", "Error", MB_OK);
 486                 return false;
 487         }
 488
 489         return true;
 490 }
 491
 492
 493
 494 qbyte scantokey[128] =
 495 {
 496 //      0           1      2     3     4     5       6       7      8         9      A       B           C     D            E           F
 497         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'    ,'0'        ,'-'  ,'='         ,K_BACKSPACE,9     , // 0
 498         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['    ,']'        ,13   ,K_CTRL      ,'a'        ,'s'   , // 1
 499         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT,'\\'       ,'z'  ,'x'         ,'c'        ,'v'   , // 2
 500         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0      ,K_F1       ,K_F2 ,K_F3        ,K_F4       ,K_F5  , // 3
 501         K_F6       ,K_F7  ,K_F8 ,K_F9 ,K_F10,K_PAUSE,0      ,K_HOME,K_UPARROW,K_PGUP,'-'    ,K_LEFTARROW,'5'  ,K_RIGHTARROW,'+'        ,K_END , // 4
 502         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 5
 503         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 6
 504         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0       // 7
 505 };
 506
 507
 508 /*
 509 =======
 510 MapKey
 511
 512 Map from windows to quake keynums
 513 =======
 514 */
 515 int MapKey (int key, int virtualkey)
 516 {
 517         key = (key>>16)&255;
 518         if (key > 127)
 519                 return 0;
 520         if (scantokey[key] == 0)
 521                 Con_DPrintf("key 0x%02x has no translation\n", key);
 522         return scantokey[key];
 523 }
 524
 525 /*
 526 ===================================================================
 527
 528 MAIN WINDOW
 529
 530 ===================================================================
 531 */
 532
 533 /*
 534 ================
 535 ClearAllStates
 536 ================
 537 */
 538 void ClearAllStates (void)
 539 {
 540         int             i;
 541
 542 // send an up event for each key, to make sure the server clears them all
 543         for (i=0 ; i<256 ; i++)
 544         {
 545                 Key_Event (i, false);
 546         }
 547
 548         Key_ClearStates ();
 549         IN_ClearStates ();
 550 }
 551
 552 void VID_RestoreGameGamma(void);
 553 extern qboolean host_loopactive;
 554
 555 void AppActivate(BOOL fActive, BOOL minimize)
 556 /****************************************************************************
 557 *
 558 * Function:     AppActivate
 559 * Parameters:   fActive - True if app is activating
 560 *
 561 * Description:  If the application is activating, then swap the system
 562 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 563 *               correctly.
 564 *
 565 ****************************************************************************/
 566 {
 567         static BOOL     sound_active;
 568
 569         vid_activewindow = fActive;
 570         vid_hidden = minimize;
 571
 572 // enable/disable sound on focus gain/loss
 573         if (!vid_activewindow && sound_active)
 574         {
 575                 S_BlockSound ();
 576                 sound_active = false;
 577         }
 578         else if (vid_activewindow && !sound_active)
 579         {
 580                 S_UnblockSound ();
 581                 sound_active = true;
 582         }
 583
 584         if (fActive)
 585         {
 586                 if (modestate == MS_FULLDIB)
 587                 {
 588                         if (vid_wassuspended)
 589                         {
 590                                 vid_wassuspended = false;
 591                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 592                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 593                         }
 594
 595                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 596                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 597                 }
 598                 if (host_loopactive)
 599                         VID_RestoreGameGamma();
 600         }
 601
 602         if (!fActive)
 603         {
 604                 vid_usingmouse = false;
 605                 IN_DeactivateMouse ();
 606                 IN_ShowMouse ();
 607                 if (modestate == MS_FULLDIB)
 608                 {
 609                         ChangeDisplaySettings (NULL, 0);
 610                         vid_wassuspended = true;
 611                 }
 612                 VID_RestoreSystemGamma();
 613         }
 614 }
 615
 616 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 617
 618 /* main window procedure */
 619 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 620 {
 621         LONG    lRet = 1;
 622         int             fActive, fMinimized, temp;
 623         extern unsigned int uiWheelMessage;
 624
 625         if ( uMsg == uiWheelMessage )
 626                 uMsg = WM_MOUSEWHEEL;
 627
 628         switch (uMsg)
 629         {
 630                 case WM_KILLFOCUS:
 631                         if (modestate == MS_FULLDIB)
 632                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 633                         break;
 634
 635                 case WM_CREATE:
 636                         break;
 637
 638                 case WM_MOVE:
 639                         window_x = (int) LOWORD(lParam);
 640                         window_y = (int) HIWORD(lParam);
 641                         VID_UpdateWindowStatus ();
 642                         break;
 643
 644                 case WM_KEYDOWN:
 645                 case WM_SYSKEYDOWN:
 646                         Key_Event (MapKey(lParam, wParam), true);
 647                         break;
 648
 649                 case WM_KEYUP:
 650                 case WM_SYSKEYUP:
 651                         Key_Event (MapKey(lParam, wParam), false);
 652                         break;
 653
 654                 case WM_SYSCHAR:
 655                 // keep Alt-Space from happening
 656                         break;
 657
 658         // this is complicated because Win32 seems to pack multiple mouse events into
 659         // one update sometimes, so we always check all states and look for events
 660                 case WM_LBUTTONDOWN:
 661                 case WM_LBUTTONUP:
 662                 case WM_RBUTTONDOWN:
 663                 case WM_RBUTTONUP:
 664                 case WM_MBUTTONDOWN:
 665                 case WM_MBUTTONUP:
 666                 case WM_MOUSEMOVE:
 667                         temp = 0;
 668
 669                         if (wParam & MK_LBUTTON)
 670                                 temp |= 1;
 671
 672                         if (wParam & MK_RBUTTON)
 673                                 temp |= 2;
 674
 675                         if (wParam & MK_MBUTTON)
 676                                 temp |= 4;
 677
 678                         IN_MouseEvent (temp);
 679
 680                         break;
 681
 682                 // JACK: This is the mouse wheel with the Intellimouse
 683                 // Its delta is either positive or neg, and we generate the proper
 684                 // Event.
 685                 case WM_MOUSEWHEEL:
 686                         if ((short) HIWORD(wParam) > 0) {
 687                                 Key_Event(K_MWHEELUP, true);
 688                                 Key_Event(K_MWHEELUP, false);
 689                         } else {
 690                                 Key_Event(K_MWHEELDOWN, true);
 691                                 Key_Event(K_MWHEELDOWN, false);
 692                         }
 693                         break;
 694
 695                 case WM_SIZE:
 696                         break;
 697
 698                 case WM_CLOSE:
 699                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 700                                 Sys_Quit ();
 701
 702                         break;
 703
 704                 case WM_ACTIVATE:
 705                         fActive = LOWORD(wParam);
 706                         fMinimized = (BOOL) HIWORD(wParam);
 707                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 708
 709                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 710                         ClearAllStates ();
 711
 712                         break;
 713
 714                 case WM_DESTROY:
 715                 {
 716                         if (mainwindow)
 717                                 DestroyWindow (mainwindow);
 718
 719                         PostQuitMessage (0);
 720                 }
 721                 break;
 722
 723                 case MM_MCINOTIFY:
 724                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 725                         break;
 726
 727                 default:
 728                         /* pass all unhandled messages to DefWindowProc */
 729                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 730                 break;
 731         }
 732
 733         /* return 1 if handled message, 0 if not */
 734         return lRet;
 735 }
 736
 737
 738 /*
 739 =================
 740 VID_NumModes
 741 =================
 742 */
 743 int VID_NumModes (void)
 744 {
 745         return nummodes;
 746 }
 747
 748
 749 /*
 750 =================
 751 VID_GetModePtr
 752 =================
 753 */
 754 vmode_t *VID_GetModePtr (int modenum)
 755 {
 756
 757         if ((modenum >= 0) && (modenum < nummodes))
 758                 return &modelist[modenum];
 759         else
 760                 return &badmode;
 761 }
 762
 763
 764 /*
 765 =================
 766 VID_GetModeDescription
 767 =================
 768 */
 769 char *VID_GetModeDescription (int mode)
 770 {
 771         char            *pinfo;
 772         vmode_t         *pv;
 773         static char     temp[100];
 774
 775         if ((mode < 0) || (mode >= nummodes))
 776                 return NULL;
 777
 778         if (!leavecurrentmode)
 779         {
 780                 pv = VID_GetModePtr (mode);
 781                 pinfo = pv->modedesc;
 782         }
 783         else
 784         {
 785                 sprintf (temp, "Desktop resolution (%dx%d)", modelist[MODE_FULLSCREEN_DEFAULT].width, modelist[MODE_FULLSCREEN_DEFAULT].height);
 786                 pinfo = temp;
 787         }
 788
 789         return pinfo;
 790 }
 791
 792
 793 // KJB: Added this to return the mode driver name in description for console
 794
 795 char *VID_GetExtModeDescription (int mode)
 796 {
 797         static char     pinfo[40];
 798         vmode_t         *pv;
 799
 800         if ((mode < 0) || (mode >= nummodes))
 801                 return NULL;
 802
 803         pv = VID_GetModePtr (mode);
 804         if (modelist[mode].type == MS_FULLDIB)
 805         {
 806                 if (!leavecurrentmode)
 807                         sprintf(pinfo,"%s fullscreen", pv->modedesc);
 808                 else
 809                         sprintf (pinfo, "Desktop resolution (%dx%d)", modelist[MODE_FULLSCREEN_DEFAULT].width, modelist[MODE_FULLSCREEN_DEFAULT].height);
 810         }
 811         else
 812         {
 813                 if (modestate == MS_WINDOWED)
 814                         sprintf(pinfo, "%s windowed", pv->modedesc);
 815                 else
 816                         sprintf(pinfo, "windowed");
 817         }
 818
 819         return pinfo;
 820 }
 821
 822
 823 /*
 824 =================
 825 VID_DescribeCurrentMode_f
 826 =================
 827 */
 828 void VID_DescribeCurrentMode_f (void)
 829 {
 830         Con_Printf ("%s\n", VID_GetExtModeDescription (vid_modenum));
 831 }
 832
 833
 834 /*
 835 =================
 836 VID_NumModes_f
 837 =================
 838 */
 839 void VID_NumModes_f (void)
 840 {
 841         if (nummodes == 1)
 842                 Con_Printf ("%d video mode is available\n", nummodes);
 843         else
 844                 Con_Printf ("%d video modes are available\n", nummodes);
 845 }
 846
 847
 848 /*
 849 =================
 850 VID_DescribeMode_f
 851 =================
 852 */
 853 void VID_DescribeMode_f (void)
 854 {
 855         int             t, modenum;
 856
 857         modenum = atoi (Cmd_Argv(1));
 858
 859         t = leavecurrentmode;
 860         leavecurrentmode = 0;
 861
 862         Con_Printf ("%s\n", VID_GetExtModeDescription (modenum));
 863
 864         leavecurrentmode = t;
 865 }
 866
 867
 868 /*
 869 =================
 870 VID_DescribeModes_f
 871 =================
 872 */
 873 void VID_DescribeModes_f (void)
 874 {
 875         int                     i, lnummodes, t;
 876         char            *pinfo;
 877         vmode_t         *pv;
 878
 879         lnummodes = VID_NumModes ();
 880
 881         t = leavecurrentmode;
 882         leavecurrentmode = 0;
 883
 884         for (i=1 ; i<lnummodes ; i++)
 885         {
 886                 pv = VID_GetModePtr (i);
 887                 pinfo = VID_GetExtModeDescription (i);
 888                 Con_Printf ("%2d: %s\n", i, pinfo);
 889         }
 890
 891         leavecurrentmode = t;
 892 }
 893
 894 void VID_AddMode(int type, int width, int height, int modenum, int dib, int fullscreen, int bpp)
 895 {
 896         int i;
 897         if (nummodes >= MAX_MODE_LIST)
 898                 return;
 899         modelist[nummodes].type = type;
 900         modelist[nummodes].width = width;
 901         modelist[nummodes].height = height;
 902         modelist[nummodes].modenum = modenum;
 903         modelist[nummodes].dib = dib;
 904         modelist[nummodes].fullscreen = fullscreen;
 905         modelist[nummodes].bpp = bpp;
 906         if (bpp == 0)
 907                 sprintf (modelist[nummodes].modedesc, "%dx%d", width, height);
 908         else
 909                 sprintf (modelist[nummodes].modedesc, "%dx%dx%d", width, height, bpp);
 910         for (i = 0;i < nummodes;i++)
 911         {
 912                 if (!memcmp(&modelist[i], &modelist[nummodes], sizeof(vmode_t)))
 913                         return;
 914         }
 915         nummodes++;
 916 }
 917
 918 void VID_InitDIB (HINSTANCE hInstance)
 919 {
 920         int w, h;
 921         WNDCLASS                wc;
 922
 923         // Register the frame class
 924         wc.style         = 0;
 925         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 926         wc.cbClsExtra    = 0;
 927         wc.cbWndExtra    = 0;
 928         wc.hInstance     = hInstance;
 929         wc.hIcon         = 0;
 930         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 931         wc.hbrBackground = NULL;
 932         wc.lpszMenuName  = 0;
 933         wc.lpszClassName = gamename;
 934
 935         if (!RegisterClass (&wc) )
 936                 Sys_Error ("Couldn't register window class");
 937
 938         if (COM_CheckParm("-width"))
 939                 w = atoi(com_argv[COM_CheckParm("-width")+1]);
 940         else
 941                 w = 640;
 942
 943         if (w < 320)
 944                 w = 320;
 945
 946         if (COM_CheckParm("-height"))
 947                 h = atoi(com_argv[COM_CheckParm("-height")+1]);
 948         else
 949                 h = w * 240/320;
 950
 951         if (h < 240)
 952                 h = 240;
 953
 954         VID_AddMode(MS_WINDOWED, w, h, 0, 1, 0, 0);
 955 }
 956
 957
 958 /*
 959 =================
 960 VID_InitFullDIB
 961 =================
 962 */
 963 void VID_InitFullDIB (HINSTANCE hInstance)
 964 {
 965         DEVMODE devmode;
 966         int             modenum;
 967         int             originalnummodes;
 968         int             numlowresmodes;
 969         int             j;
 970         int             bpp;
 971         int             done;
 972         BOOL    stat;
 973
 974 // enumerate >8 bpp modes
 975         originalnummodes = nummodes;
 976         modenum = 0;
 977
 978         do
 979         {
 980                 stat = EnumDisplaySettings (NULL, modenum, &devmode);
 981
 982                 if ((devmode.dmBitsPerPel >= 15) && (devmode.dmPelsWidth <= MAXWIDTH) && (devmode.dmPelsHeight <= MAXHEIGHT) && (nummodes < MAX_MODE_LIST))
 983                 {
 984                         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 985
 986                         if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL)
 987                                 VID_AddMode(MS_FULLDIB, devmode.dmPelsWidth, devmode.dmPelsHeight, 0, 1, 1, devmode.dmBitsPerPel);
 988                 }
 989
 990                 modenum++;
 991         }
 992         while (stat);
 993
 994 // see if there are any low-res modes that aren't being reported
 995         numlowresmodes = sizeof(lowresmodes) / sizeof(lowresmodes[0]);
 996         bpp = 16;
 997         done = 0;
 998
 999         do
1000         {
1001                 for (j=0 ; (j<numlowresmodes) && (nummodes < MAX_MODE_LIST) ; j++)
1002                 {
1003                         devmode.dmBitsPerPel = bpp;
1004                         devmode.dmPelsWidth = lowresmodes[j].width;
1005                         devmode.dmPelsHeight = lowresmodes[j].height;
1006                         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
1007
1008                         if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL)
1009                                 VID_AddMode(MS_FULLDIB, devmode.dmPelsWidth, devmode.dmPelsHeight, 0, 1, 1, devmode.dmBitsPerPel);
1010                 }
1011                 switch (bpp)
1012                 {
1013                         case 16:
1014                                 bpp = 32;
1015                                 break;
1016
1017                         case 32:
1018                                 bpp = 24;
1019                                 break;
1020
1021                         case 24:
1022                                 done = 1;
1023                                 break;
1024                 }
1025         }
1026         while (!done);
1027
1028         if (nummodes == originalnummodes)
1029                 Con_SafePrintf ("No fullscreen DIB modes found\n");
1030 }
1031
1032 //static int grabsysgamma = true;
1033 WORD systemgammaramps[3][256], currentgammaramps[3][256];
1034
1035 int VID_SetGamma(float prescale, float gamma, float scale, float base)
1036 {
1037         int i;
1038         HDC hdc;
1039         hdc = GetDC (NULL);
1040
1041         BuildGammaTable16(prescale, gamma, scale, base, &currentgammaramps[0][0]);
1042         for (i = 0;i < 256;i++)
1043                 currentgammaramps[1][i] = currentgammaramps[2][i] = currentgammaramps[0][i];
1044
1045         i = SetDeviceGammaRamp(hdc, &currentgammaramps[0][0]);
1046
1047         ReleaseDC (NULL, hdc);
1048         return i; // return success or failure
1049 }
1050
1051 void VID_RestoreGameGamma(void)
1052 {
1053         VID_UpdateGamma(true);
1054 }
1055
1056 void VID_GetSystemGamma(void)
1057 {
1058         HDC hdc;
1059         hdc = GetDC (NULL);
1060
1061         GetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
1062
1063         ReleaseDC (NULL, hdc);
1064 }
1065
1066 void VID_RestoreSystemGamma(void)
1067 {
1068         HDC hdc;
1069         hdc = GetDC (NULL);
1070
1071         SetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
1072
1073         ReleaseDC (NULL, hdc);
1074 }
1075
1076 //========================================================
1077 // Video menu stuff
1078 //========================================================
1079
1080 extern void M_Menu_Options_f (void);
1081 extern void M_Print (float cx, float cy, char *str);
1082 extern void M_PrintWhite (float cx, float cy, char *str);
1083 extern void M_DrawCharacter (float cx, float cy, int num);
1084 extern void M_DrawPic (float cx, float cy, char *picname);
1085
1086 static int vid_wmodes;
1087
1088 typedef struct
1089 {
1090         int modenum;
1091         char *desc;
1092         int iscur;
1093 } modedesc_t;
1094
1095 #define MAX_COLUMN_SIZE         9
1096 #define MODE_AREA_HEIGHT        (MAX_COLUMN_SIZE + 2)
1097 #define MAX_MODEDESCS           (MAX_COLUMN_SIZE*3)
1098
1099 static modedesc_t modedescs[MAX_MODEDESCS];
1100
1101 /*
1102 ================
1103 VID_MenuDraw
1104 ================
1105 */
1106 void VID_MenuDraw (void)
1107 {
1108         cachepic_t *p;
1109         char *ptr;
1110         int lnummodes, i, k, column, row;
1111         vmode_t *pv;
1112
1113         p = Draw_CachePic ("gfx/vidmodes.lmp");
1114         M_DrawPic ( (320-p->width)/2, 4, "gfx/vidmodes.lmp");
1115
1116         vid_wmodes = 0;
1117         lnummodes = VID_NumModes ();
1118
1119         for (i=1 ; (i<lnummodes) && (vid_wmodes < MAX_MODEDESCS) ; i++)
1120         {
1121                 ptr = VID_GetModeDescription (i);
1122                 pv = VID_GetModePtr (i);
1123
1124                 k = vid_wmodes;
1125
1126                 modedescs[k].modenum = i;
1127                 modedescs[k].desc = ptr;
1128                 modedescs[k].iscur = 0;
1129
1130                 if (i == vid_modenum)
1131                         modedescs[k].iscur = 1;
1132
1133                 vid_wmodes++;
1134
1135         }
1136
1137         if (vid_wmodes > 0)
1138         {
1139                 M_Print (2*8, 36+0*8, "Fullscreen Modes (WIDTHxHEIGHTxBPP)");
1140
1141                 column = 8;
1142                 row = 36+2*8;
1143
1144                 for (i=0 ; i<vid_wmodes ; i++)
1145                 {
1146                         if (modedescs[i].iscur)
1147                                 M_PrintWhite (column, row, modedescs[i].desc);
1148                         else
1149                                 M_Print (column, row, modedescs[i].desc);
1150
1151                         column += 13*8;
1152
1153                         if ((i % VID_ROW_SIZE) == (VID_ROW_SIZE - 1))
1154                         {
1155                                 column = 8;
1156                                 row += 8;
1157                         }
1158                 }
1159         }
1160
1161         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*2, "Video modes must be set from the");
1162         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*3, "command line with -width <width>");
1163         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*4, "and -bpp <bits-per-pixel>");
1164         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*6, "Select windowed mode with -window");
1165 }
1166
1167
1168 /*
1169 ================
1170 VID_MenuKey
1171 ================
1172 */
1173 void VID_MenuKey (int key)
1174 {
1175         switch (key)
1176         {
1177         case K_ESCAPE:
1178                 S_LocalSound ("misc/menu1.wav");
1179                 M_Menu_Options_f ();
1180                 break;
1181
1182         default:
1183                 break;
1184         }
1185 }
1186
1187 static HINSTANCE gldll;
1188
1189 int GL_OpenLibrary(const char *name)
1190 {
1191         Con_Printf("Loading GL driver %s\n", name);
1192         GL_CloseLibrary();
1193         if (!(gldll = LoadLibrary(name)))
1194         {
1195                 Con_Printf("Unable to LoadLibrary %s\n", name);
1196                 return false;
1197         }
1198         strcpy(gl_driver, name);
1199         return true;
1200 }
1201
1202 void GL_CloseLibrary(void)
1203 {
1204         FreeLibrary(gldll);
1205         gldll = 0;
1206         gl_driver[0] = 0;
1207         qwglGetProcAddress = NULL;
1208         gl_extensions = "";
1209         gl_platform = "";
1210         gl_platformextensions = "";
1211 }
1212
1213 void *GL_GetProcAddress(const char *name)
1214 {
1215         void *p = NULL;
1216         if (qwglGetProcAddress != NULL)
1217                 p = (void *) qwglGetProcAddress(name);
1218         if (p == NULL)
1219                 p = (void *) GetProcAddress(gldll, name);
1220         return p;
1221 }
1222 /*
1223 ===================
1224 VID_Init
1225 ===================
1226 */
1227 void VID_Init (int fullscreen, int width, int height, int bpp)
1228 {
1229         int i, bestmode;
1230         double rating, bestrating;
1231         int basenummodes, done;
1232         HDC hdc;
1233         DEVMODE devmode;
1234
1235         if (!GL_OpenLibrary("opengl32.dll"))
1236                 Sys_Error("Unable to load GL driver\n");
1237
1238         memset(&devmode, 0, sizeof(devmode));
1239
1240         Cmd_AddCommand ("vid_nummodes", VID_NumModes_f);
1241         Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f);
1242         Cmd_AddCommand ("vid_describemode", VID_DescribeMode_f);
1243         Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f);
1244
1245         VID_GetSystemGamma();
1246
1247         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
1248
1249         InitCommonControls();
1250
1251         VID_InitDIB (global_hInstance);
1252         basenummodes = nummodes = 1;
1253
1254         VID_InitFullDIB (global_hInstance);
1255
1256         if (!fullscreen)
1257         {
1258                 hdc = GetDC (NULL);
1259
1260                 if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
1261                         Sys_Error ("Can't run in non-RGB mode");
1262
1263                 ReleaseDC (NULL, hdc);
1264
1265                 windowed = true;
1266
1267                 vid_default = MODE_WINDOWED;
1268         }
1269         else
1270         {
1271                 if (nummodes == 1)
1272                         Sys_Error ("No RGB fullscreen modes available");
1273
1274                 windowed = false;
1275
1276                 done = 0;
1277
1278                 bestmode = -1;
1279                 bestrating = 1000000000;
1280                 for (i = 0;i < nummodes;i++)
1281                 {
1282                         if (fullscreen == modelist[i].fullscreen)
1283                         {
1284                                 rating = VID_CompareMode(width, height, bpp, modelist[i].width, modelist[i].height, modelist[i].bpp);
1285                                 if (bestrating > rating)
1286                                 {
1287                                         bestrating = rating;
1288                                         bestmode = i;
1289                                 }
1290                         }
1291                 }
1292
1293                 if (bestmode < 0)
1294                         Sys_Error ("Specified video mode not available");
1295         }
1296
1297         vid_initialized = true;
1298
1299         VID_SetMode (vid_default);
1300
1301         maindc = GetDC(mainwindow);
1302         bSetupPixelFormat(maindc);
1303
1304         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
1305                 Sys_Error("wgl functions not found\n");
1306
1307         baseRC = qwglCreateContext( maindc );
1308         if (!baseRC)
1309                 Sys_Error ("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.");
1310         if (!qwglMakeCurrent( maindc, baseRC ))
1311                 Sys_Error ("wglMakeCurrent failed");
1312
1313         qglGetString = GL_GetProcAddress("glGetString");
1314         if (qglGetString == NULL)
1315                 Sys_Error ("glGetString does not exist");
1316         gl_renderer = qglGetString(GL_RENDERER);
1317         gl_vendor = qglGetString(GL_VENDOR);
1318         gl_version = qglGetString(GL_VERSION);
1319         gl_extensions = qglGetString(GL_EXTENSIONS);
1320         gl_platform = "WGL";
1321         gl_platformextensions = "";
1322
1323         if (GL_CheckExtension("WGL_ARB_extensions_string", getextensionsstringfuncs, NULL, false))
1324                 gl_platformextensions = qwglGetExtensionsStringARB(maindc);
1325
1326         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
1327
1328         GL_Init ();
1329
1330         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1331         if (strncasecmp(gl_vendor,"ATI",3)==0)
1332         {
1333                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1334                         isRagePro = true;
1335         }
1336         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1337                 isG200 = true;
1338
1339         vid_realmode = vid_modenum;
1340
1341         vid_menudrawfn = VID_MenuDraw;
1342         vid_menukeyfn = VID_MenuKey;
1343
1344         strcpy (badmode.modedesc, "Bad mode");
1345
1346         vid_hidden = false;
1347 }
1348