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 void VID_RestoreGameGamma(void);
  72 void VID_GetSystemGamma(void);
  73 void VID_RestoreSystemGamma(void);
  74
  75 qboolean scr_skipupdate;
  76
  77 static DEVMODE gdevmode;
  78 static qboolean vid_initialized = false;
  79 static qboolean vid_wassuspended = false;
  80 static int vid_usingmouse;
  81 extern qboolean mouseactive;  // from in_win.c
  82 static HICON hIcon;
  83
  84 HWND mainwindow;
  85
  86 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  87
  88 static int vid_isfullscreen;
  89
  90 //void VID_MenuDraw (void);
  91 //void VID_MenuKey (int key);
  92
  93 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  94 //void AppActivate(BOOL fActive, BOOL minimize);
  95 //void ClearAllStates (void);
  96 //void VID_UpdateWindowStatus (void);
  97
  98 //====================================
  99
 100 int window_x, window_y, window_width, window_height;
 101 int window_center_x, window_center_y;
 102
 103 void IN_ShowMouse (void);
 104 void IN_DeactivateMouse (void);
 105 void IN_HideMouse (void);
 106 void IN_ActivateMouse (void);
 107 void IN_MouseEvent (int mstate);
 108 void IN_UpdateClipCursor (void);
 109
 110 qboolean mouseinitialized;
 111 static qboolean dinput;
 112
 113 /*
 114 ================
 115 VID_UpdateWindowStatus
 116 ================
 117 */
 118 void VID_UpdateWindowStatus (void)
 119 {
 120         window_center_x = window_x + window_width / 2;
 121         window_center_y = window_y + window_height / 2;
 122
 123         if (mouseinitialized && mouseactive && !dinput)
 124         {
 125                 RECT window_rect;
 126                 window_rect.left = window_x;
 127                 window_rect.top = window_y;
 128                 window_rect.right = window_x + window_width;
 129                 window_rect.bottom = window_y + window_height;
 130                 ClipCursor (&window_rect);
 131         }
 132 }
 133
 134
 135 //====================================
 136
 137 /*
 138 =================
 139 VID_GetWindowSize
 140 =================
 141 */
 142 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 143 {
 144         *x = 0;
 145         *y = 0;
 146         *width = window_width;
 147         *height = window_height;
 148 }
 149
 150
 151 void VID_Finish (void)
 152 {
 153         HDC hdc;
 154         int vid_usemouse;
 155         if (r_render.integer && !scr_skipupdate)
 156         {
 157                 qglFinish();
 158                 hdc = GetDC(mainwindow);
 159                 SwapBuffers(hdc);
 160                 ReleaseDC(mainwindow, hdc);
 161         }
 162
 163 // handle the mouse state when windowed if that's changed
 164         vid_usemouse = false;
 165         if (vid_mouse.integer && !key_consoleactive)
 166                 vid_usemouse = true;
 167         if (vid_isfullscreen)
 168                 vid_usemouse = true;
 169         if (!vid_activewindow)
 170                 vid_usemouse = false;
 171         if (vid_usemouse)
 172         {
 173                 if (!vid_usingmouse)
 174                 {
 175                         vid_usingmouse = true;
 176                         IN_ActivateMouse ();
 177                         IN_HideMouse();
 178                 }
 179         }
 180         else
 181         {
 182                 if (vid_usingmouse)
 183                 {
 184                         vid_usingmouse = false;
 185                         IN_DeactivateMouse ();
 186                         IN_ShowMouse();
 187                 }
 188         }
 189 }
 190
 191 //==========================================================================
 192
 193
 194
 195
 196 qbyte scantokey[128] =
 197 {
 198 //      0           1      2     3     4     5       6       7      8         9      A       B           C     D            E           F
 199         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'    ,'0'        ,'-'  ,'='         ,K_BACKSPACE,9     , // 0
 200         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['    ,']'        ,13   ,K_CTRL      ,'a'        ,'s'   , // 1
 201         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT,'\\'       ,'z'  ,'x'         ,'c'        ,'v'   , // 2
 202         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0      ,K_F1       ,K_F2 ,K_F3        ,K_F4       ,K_F5  , // 3
 203         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
 204         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 5
 205         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 6
 206         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0       // 7
 207 };
 208
 209
 210 /*
 211 =======
 212 MapKey
 213
 214 Map from windows to quake keynums
 215 =======
 216 */
 217 int MapKey (int key, int virtualkey)
 218 {
 219         key = (key>>16)&255;
 220         if (key > 127)
 221                 return 0;
 222         if (scantokey[key] == 0)
 223                 Con_DPrintf("key 0x%02x has no translation\n", key);
 224         return scantokey[key];
 225 }
 226
 227 /*
 228 ===================================================================
 229
 230 MAIN WINDOW
 231
 232 ===================================================================
 233 */
 234
 235 /*
 236 ================
 237 ClearAllStates
 238 ================
 239 */
 240 void ClearAllStates (void)
 241 {
 242         int             i;
 243
 244 // send an up event for each key, to make sure the server clears them all
 245         for (i=0 ; i<256 ; i++)
 246         {
 247                 Key_Event (i, false);
 248         }
 249
 250         Key_ClearStates ();
 251         IN_ClearStates ();
 252 }
 253
 254 void VID_RestoreGameGamma(void);
 255 extern qboolean host_loopactive;
 256
 257 void AppActivate(BOOL fActive, BOOL minimize)
 258 /****************************************************************************
 259 *
 260 * Function:     AppActivate
 261 * Parameters:   fActive - True if app is activating
 262 *
 263 * Description:  If the application is activating, then swap the system
 264 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 265 *               correctly.
 266 *
 267 ****************************************************************************/
 268 {
 269         static BOOL     sound_active;
 270
 271         vid_activewindow = fActive;
 272         vid_hidden = minimize;
 273
 274 // enable/disable sound on focus gain/loss
 275         if (!vid_activewindow && sound_active)
 276         {
 277                 S_BlockSound ();
 278                 sound_active = false;
 279         }
 280         else if (vid_activewindow && !sound_active)
 281         {
 282                 S_UnblockSound ();
 283                 sound_active = true;
 284         }
 285
 286         if (fActive)
 287         {
 288                 if (vid_isfullscreen)
 289                 {
 290                         if (vid_wassuspended)
 291                         {
 292                                 vid_wassuspended = false;
 293                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 294                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 295                         }
 296
 297                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 298                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 299                 }
 300                 if (host_loopactive)
 301                         VID_RestoreGameGamma();
 302         }
 303
 304         if (!fActive)
 305         {
 306                 vid_usingmouse = false;
 307                 IN_DeactivateMouse ();
 308                 IN_ShowMouse ();
 309                 if (vid_isfullscreen)
 310                 {
 311                         ChangeDisplaySettings (NULL, 0);
 312                         vid_wassuspended = true;
 313                 }
 314                 VID_RestoreSystemGamma();
 315         }
 316 }
 317
 318 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 319
 320 /* main window procedure */
 321 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 322 {
 323         LONG    lRet = 1;
 324         int             fActive, fMinimized, temp;
 325         extern unsigned int uiWheelMessage;
 326
 327         if ( uMsg == uiWheelMessage )
 328                 uMsg = WM_MOUSEWHEEL;
 329
 330         switch (uMsg)
 331         {
 332                 case WM_KILLFOCUS:
 333                         if (vid_isfullscreen)
 334                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 335                         break;
 336
 337                 case WM_CREATE:
 338                         break;
 339
 340                 case WM_MOVE:
 341                         window_x = (int) LOWORD(lParam);
 342                         window_y = (int) HIWORD(lParam);
 343                         VID_UpdateWindowStatus ();
 344                         break;
 345
 346                 case WM_KEYDOWN:
 347                 case WM_SYSKEYDOWN:
 348                         Key_Event (MapKey(lParam, wParam), true);
 349                         break;
 350
 351                 case WM_KEYUP:
 352                 case WM_SYSKEYUP:
 353                         Key_Event (MapKey(lParam, wParam), false);
 354                         break;
 355
 356                 case WM_SYSCHAR:
 357                 // keep Alt-Space from happening
 358                         break;
 359
 360         // this is complicated because Win32 seems to pack multiple mouse events into
 361         // one update sometimes, so we always check all states and look for events
 362                 case WM_LBUTTONDOWN:
 363                 case WM_LBUTTONUP:
 364                 case WM_RBUTTONDOWN:
 365                 case WM_RBUTTONUP:
 366                 case WM_MBUTTONDOWN:
 367                 case WM_MBUTTONUP:
 368                 case WM_MOUSEMOVE:
 369                         temp = 0;
 370
 371                         if (wParam & MK_LBUTTON)
 372                                 temp |= 1;
 373
 374                         if (wParam & MK_RBUTTON)
 375                                 temp |= 2;
 376
 377                         if (wParam & MK_MBUTTON)
 378                                 temp |= 4;
 379
 380                         IN_MouseEvent (temp);
 381
 382                         break;
 383
 384                 // JACK: This is the mouse wheel with the Intellimouse
 385                 // Its delta is either positive or neg, and we generate the proper
 386                 // Event.
 387                 case WM_MOUSEWHEEL:
 388                         if ((short) HIWORD(wParam) > 0) {
 389                                 Key_Event(K_MWHEELUP, true);
 390                                 Key_Event(K_MWHEELUP, false);
 391                         } else {
 392                                 Key_Event(K_MWHEELDOWN, true);
 393                                 Key_Event(K_MWHEELDOWN, false);
 394                         }
 395                         break;
 396
 397                 case WM_SIZE:
 398                         break;
 399
 400                 case WM_CLOSE:
 401                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 402                                 Sys_Quit ();
 403
 404                         break;
 405
 406                 case WM_ACTIVATE:
 407                         fActive = LOWORD(wParam);
 408                         fMinimized = (BOOL) HIWORD(wParam);
 409                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 410
 411                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 412                         ClearAllStates ();
 413
 414                         break;
 415
 416                 case WM_DESTROY:
 417                 {
 418                         if (mainwindow)
 419                                 DestroyWindow (mainwindow);
 420
 421                         PostQuitMessage (0);
 422                 }
 423                 break;
 424
 425                 case MM_MCINOTIFY:
 426                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 427                         break;
 428
 429                 default:
 430                         /* pass all unhandled messages to DefWindowProc */
 431                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 432                 break;
 433         }
 434
 435         /* return 1 if handled message, 0 if not */
 436         return lRet;
 437 }
 438
 439
 440 //static int grabsysgamma = true;
 441 WORD systemgammaramps[3][256], currentgammaramps[3][256];
 442
 443 int VID_SetGamma(float prescale, float gamma, float scale, float base)
 444 {
 445         int i;
 446         HDC hdc;
 447         hdc = GetDC (NULL);
 448
 449         BuildGammaTable16(prescale, gamma, scale, base, &currentgammaramps[0][0]);
 450         for (i = 0;i < 256;i++)
 451                 currentgammaramps[1][i] = currentgammaramps[2][i] = currentgammaramps[0][i];
 452
 453         i = SetDeviceGammaRamp(hdc, &currentgammaramps[0][0]);
 454
 455         ReleaseDC (NULL, hdc);
 456         return i; // return success or failure
 457 }
 458
 459 void VID_RestoreGameGamma(void)
 460 {
 461         VID_UpdateGamma(true);
 462 }
 463
 464 void VID_GetSystemGamma(void)
 465 {
 466         HDC hdc;
 467         hdc = GetDC (NULL);
 468
 469         GetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
 470
 471         ReleaseDC (NULL, hdc);
 472 }
 473
 474 void VID_RestoreSystemGamma(void)
 475 {
 476         HDC hdc;
 477         hdc = GetDC (NULL);
 478
 479         SetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
 480
 481         ReleaseDC (NULL, hdc);
 482 }
 483
 484 //========================================================
 485 // Video menu stuff
 486 //========================================================
 487
 488 #if 0
 489 extern void M_Menu_Options_f (void);
 490 extern void M_Print (float cx, float cy, char *str);
 491 extern void M_PrintWhite (float cx, float cy, char *str);
 492 extern void M_DrawCharacter (float cx, float cy, int num);
 493 extern void M_DrawPic (float cx, float cy, char *picname);
 494
 495 static int vid_wmodes;
 496
 497 typedef struct
 498 {
 499         int modenum;
 500         char *desc;
 501         int iscur;
 502 } modedesc_t;
 503
 504 #define MAX_COLUMN_SIZE         9
 505 #define MODE_AREA_HEIGHT        (MAX_COLUMN_SIZE + 2)
 506 #define MAX_MODEDESCS           (MAX_COLUMN_SIZE*3)
 507
 508 static modedesc_t modedescs[MAX_MODEDESCS];
 509
 510 /*
 511 ================
 512 VID_MenuDraw
 513 ================
 514 */
 515 void VID_MenuDraw (void)
 516 {
 517         cachepic_t *p;
 518         char *ptr;
 519         int lnummodes, i, k, column, row;
 520         vmode_t *pv;
 521
 522         p = Draw_CachePic ("gfx/vidmodes.lmp");
 523         M_DrawPic ( (320-p->width)/2, 4, "gfx/vidmodes.lmp");
 524
 525         vid_wmodes = 0;
 526         lnummodes = VID_NumModes ();
 527
 528         for (i=1 ; (i<lnummodes) && (vid_wmodes < MAX_MODEDESCS) ; i++)
 529         {
 530                 ptr = VID_GetModeDescription (i);
 531                 pv = VID_GetModePtr (i);
 532
 533                 k = vid_wmodes;
 534
 535                 modedescs[k].modenum = i;
 536                 modedescs[k].desc = ptr;
 537                 modedescs[k].iscur = 0;
 538
 539                 if (i == vid_modenum)
 540                         modedescs[k].iscur = 1;
 541
 542                 vid_wmodes++;
 543
 544         }
 545
 546         if (vid_wmodes > 0)
 547         {
 548                 M_Print (2*8, 36+0*8, "Fullscreen Modes (WIDTHxHEIGHTxBPP)");
 549
 550                 column = 8;
 551                 row = 36+2*8;
 552
 553                 for (i=0 ; i<vid_wmodes ; i++)
 554                 {
 555                         if (modedescs[i].iscur)
 556                                 M_PrintWhite (column, row, modedescs[i].desc);
 557                         else
 558                                 M_Print (column, row, modedescs[i].desc);
 559
 560                         column += 13*8;
 561
 562                         if ((i % VID_ROW_SIZE) == (VID_ROW_SIZE - 1))
 563                         {
 564                                 column = 8;
 565                                 row += 8;
 566                         }
 567                 }
 568         }
 569
 570         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*2, "Video modes must be set from the");
 571         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*3, "command line with -width <width>");
 572         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*4, "and -bpp <bits-per-pixel>");
 573         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*6, "Select windowed mode with -window");
 574 }
 575
 576
 577 /*
 578 ================
 579 VID_MenuKey
 580 ================
 581 */
 582 void VID_MenuKey (int key)
 583 {
 584         switch (key)
 585         {
 586         case K_ESCAPE:
 587                 S_LocalSound ("misc/menu1.wav");
 588                 M_Menu_Options_f ();
 589                 break;
 590
 591         default:
 592                 break;
 593         }
 594 }
 595 #endif
 596
 597 static HINSTANCE gldll;
 598
 599 int GL_OpenLibrary(const char *name)
 600 {
 601         Con_Printf("Loading GL driver %s\n", name);
 602         GL_CloseLibrary();
 603         if (!(gldll = LoadLibrary(name)))
 604         {
 605                 Con_Printf("Unable to LoadLibrary %s\n", name);
 606                 return false;
 607         }
 608         strcpy(gl_driver, name);
 609         return true;
 610 }
 611
 612 void GL_CloseLibrary(void)
 613 {
 614         FreeLibrary(gldll);
 615         gldll = 0;
 616         gl_driver[0] = 0;
 617         qwglGetProcAddress = NULL;
 618         gl_extensions = "";
 619         gl_platform = "";
 620         gl_platformextensions = "";
 621 }
 622
 623 void *GL_GetProcAddress(const char *name)
 624 {
 625         void *p = NULL;
 626         if (qwglGetProcAddress != NULL)
 627                 p = (void *) qwglGetProcAddress(name);
 628         if (p == NULL)
 629                 p = (void *) GetProcAddress(gldll, name);
 630         return p;
 631 }
 632
 633 void VID_Init(void)
 634 {
 635         WNDCLASS wc;
 636
 637         InitCommonControls();
 638         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
 639
 640         // Register the frame class
 641         wc.style         = 0;
 642         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 643         wc.cbClsExtra    = 0;
 644         wc.cbWndExtra    = 0;
 645         wc.hInstance     = global_hInstance;
 646         wc.hIcon         = 0;
 647         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 648         wc.hbrBackground = NULL;
 649         wc.lpszMenuName  = 0;
 650         wc.lpszClassName = "DarkPlacesWindowClass";
 651
 652         if (!RegisterClass (&wc))
 653                 Sys_Error("Couldn't register window class\n");
 654 }
 655
 656 int VID_InitMode (int fullscreen, int width, int height, int bpp)
 657 {
 658         int i;
 659         HDC hdc;
 660         RECT rect;
 661         MSG msg;
 662         PIXELFORMATDESCRIPTOR pfd =
 663         {
 664                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 665                 1,                              // version number
 666                 PFD_DRAW_TO_WINDOW              // support window
 667                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 668                 |  PFD_DOUBLEBUFFER ,   // double buffered
 669                 PFD_TYPE_RGBA,                  // RGBA type
 670                 24,                             // 24-bit color depth
 671                 0, 0, 0, 0, 0, 0,               // color bits ignored
 672                 0,                              // no alpha buffer
 673                 0,                              // shift bit ignored
 674                 0,                              // no accumulation buffer
 675                 0, 0, 0, 0,                     // accum bits ignored
 676                 32,                             // 32-bit z-buffer
 677                 0,                              // no stencil buffer
 678                 0,                              // no auxiliary buffer
 679                 PFD_MAIN_PLANE,                 // main layer
 680                 0,                              // reserved
 681                 0, 0, 0                         // layer masks ignored
 682         };
 683         int pixelformat;
 684         DWORD WindowStyle, ExWindowStyle;
 685         HGLRC baseRC;
 686         int CenterX, CenterY;
 687
 688         if (vid_initialized)
 689                 Sys_Error("VID_InitMode called when video is already initialised\n");
 690
 691         if (!GL_OpenLibrary("opengl32.dll"))
 692         {
 693                 Con_Printf("Unable to load GL driver\n");
 694                 return false;
 695         }
 696
 697         memset(&gdevmode, 0, sizeof(gdevmode));
 698
 699         VID_GetSystemGamma();
 700
 701         vid_isfullscreen = false;
 702         if (fullscreen)
 703         {
 704                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 705                 gdevmode.dmBitsPerPel = bpp;
 706                 gdevmode.dmPelsWidth = width;
 707                 gdevmode.dmPelsHeight = height;
 708                 gdevmode.dmSize = sizeof (gdevmode);
 709                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 710                 {
 711                         VID_Shutdown();
 712                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 713                         return false;
 714                 }
 715
 716                 vid_isfullscreen = true;
 717                 WindowStyle = WS_POPUP;
 718                 ExWindowStyle = 0;
 719         }
 720         else
 721         {
 722                 hdc = GetDC (NULL);
 723                 i = GetDeviceCaps(hdc, RASTERCAPS);
 724                 ReleaseDC (NULL, hdc);
 725                 if (i & RC_PALETTE)
 726                 {
 727                         VID_Shutdown();
 728                         Con_Printf ("Can't run in non-RGB mode\n");
 729                         return false;
 730                 }
 731
 732                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 733                 ExWindowStyle = 0;
 734         }
 735
 736         rect.top = 0;
 737         rect.left = 0;
 738         rect.right = width;
 739         rect.bottom = height;
 740         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 741
 742         if (fullscreen)
 743         {
 744                 CenterX = 0;
 745                 CenterY = 0;
 746         }
 747         else
 748         {
 749                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 750                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 751         }
 752         CenterX = max(0, CenterX);
 753         CenterY = max(0, CenterY);
 754
 755         // x and y may be changed by WM_MOVE messages
 756         window_x = CenterX;
 757         window_y = CenterY;
 758         window_width = width;
 759         window_height = height;
 760         rect.left += CenterX;
 761         rect.right += CenterX;
 762         rect.top += CenterY;
 763         rect.bottom += CenterY;
 764
 765         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 766         if (!mainwindow)
 767         {
 768                 VID_Shutdown();
 769                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", ExWindowStyle, gamename, gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 770                 return false;
 771         }
 772
 773         /*
 774         if (!fullscreen)
 775                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 776         */
 777
 778         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 779         UpdateWindow (mainwindow);
 780
 781         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
 782         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
 783
 784         VID_UpdateWindowStatus ();
 785
 786         // now we try to make sure we get the focus on the mode switch, because
 787         // sometimes in some systems we don't.  We grab the foreground, then
 788         // finish setting up, pump all our messages, and sleep for a little while
 789         // to let messages finish bouncing around the system, then we put
 790         // ourselves at the top of the z order, then grab the foreground again,
 791         // Who knows if it helps, but it probably doesn't hurt
 792         SetForegroundWindow (mainwindow);
 793
 794         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 795         {
 796                 TranslateMessage (&msg);
 797                 DispatchMessage (&msg);
 798         }
 799
 800         Sleep (100);
 801
 802         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 803
 804         SetForegroundWindow (mainwindow);
 805
 806         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 807         ClearAllStates ();
 808
 809         hdc = GetDC(mainwindow);
 810
 811         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
 812         {
 813                 VID_Shutdown();
 814                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
 815                 return false;
 816         }
 817
 818         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
 819         {
 820                 VID_Shutdown();
 821                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
 822                 return false;
 823         }
 824
 825         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 826         {
 827                 VID_Shutdown();
 828                 Con_Printf("wgl functions not found\n");
 829                 return false;
 830         }
 831
 832         baseRC = qwglCreateContext(hdc);
 833         if (!baseRC)
 834         {
 835                 VID_Shutdown();
 836                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 837                 return false;
 838         }
 839         if (!qwglMakeCurrent(hdc, baseRC))
 840         {
 841                 VID_Shutdown();
 842                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
 843                 return false;
 844         }
 845
 846         qglGetString = GL_GetProcAddress("glGetString");
 847         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
 848         if (qglGetString == NULL)
 849         {
 850                 VID_Shutdown();
 851                 Con_Printf("glGetString not found\n");
 852                 return false;
 853         }
 854         gl_renderer = qglGetString(GL_RENDERER);
 855         gl_vendor = qglGetString(GL_VENDOR);
 856         gl_version = qglGetString(GL_VERSION);
 857         gl_extensions = qglGetString(GL_EXTENSIONS);
 858         gl_platform = "WGL";
 859         gl_platformextensions = "";
 860
 861         if (qwglGetExtensionsStringARB)
 862                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
 863
 864         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
 865         ReleaseDC(mainwindow, hdc);
 866
 867         GL_Init ();
 868
 869         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 870         if (strncasecmp(gl_vendor,"ATI",3)==0)
 871         {
 872                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 873                         isRagePro = true;
 874         }
 875         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 876                 isG200 = true;
 877
 878         //vid_menudrawfn = VID_MenuDraw;
 879         //vid_menukeyfn = VID_MenuKey;
 880         vid_hidden = false;
 881         vid_initialized = true;
 882         return true;
 883 }
 884
 885 void VID_Shutdown (void)
 886 {
 887         HGLRC hRC = 0;
 888         HDC hDC = 0;
 889
 890         if (vid_initialized)
 891         {
 892                 vid_initialized = false;
 893                 if (qwglGetCurrentContext)
 894                         hRC = qwglGetCurrentContext();
 895                 if (qwglGetCurrentDC)
 896                         hDC = qwglGetCurrentDC();
 897
 898                 if (qwglMakeCurrent)
 899                         qwglMakeCurrent(NULL, NULL);
 900
 901                 if (hRC && qwglDeleteContext)
 902                         qwglDeleteContext(hRC);
 903
 904                 // close the library before we get rid of the window
 905                 GL_CloseLibrary();
 906
 907                 if (hDC && mainwindow)
 908                         ReleaseDC(mainwindow, hDC);
 909
 910                 if (vid_isfullscreen)
 911                         ChangeDisplaySettings (NULL, 0);
 912
 913                 AppActivate(false, false);
 914
 915                 VID_RestoreSystemGamma();
 916         }
 917 }
 918
 919
 920 // input code
 921
 922 #include <dinput.h>
 923
 924 #define DINPUT_BUFFERSIZE           16
 925 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 926
 927 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
 928         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 929
 930 // mouse variables
 931 int                     mouse_buttons;
 932 int                     mouse_oldbuttonstate;
 933 POINT           current_pos;
 934 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
 935
 936 static qboolean restore_spi;
 937 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
 938
 939 unsigned int uiWheelMessage;
 940 qboolean        mouseactive;
 941 //qboolean              mouseinitialized;
 942 static qboolean mouseparmsvalid, mouseactivatetoggle;
 943 static qboolean mouseshowtoggle = 1;
 944 static qboolean dinput_acquired;
 945
 946 static unsigned int             mstate_di;
 947
 948 // joystick defines and variables
 949 // where should defines be moved?
 950 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 951 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 952 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 953 #define JOY_AXIS_X                      0
 954 #define JOY_AXIS_Y                      1
 955 #define JOY_AXIS_Z                      2
 956 #define JOY_AXIS_R                      3
 957 #define JOY_AXIS_U                      4
 958 #define JOY_AXIS_V                      5
 959
 960 enum _ControlList
 961 {
 962         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 963 };
 964
 965 DWORD   dwAxisFlags[JOY_MAX_AXES] =
 966 {
 967         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 968 };
 969
 970 DWORD   dwAxisMap[JOY_MAX_AXES];
 971 DWORD   dwControlMap[JOY_MAX_AXES];
 972 PDWORD  pdwRawValue[JOY_MAX_AXES];
 973
 974 // none of these cvars are saved over a session
 975 // this means that advanced controller configuration needs to be executed
 976 // each time.  this avoids any problems with getting back to a default usage
 977 // or when changing from one controller to another.  this way at least something
 978 // works.
 979 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
 980 cvar_t  joy_name = {0, "joyname", "joystick"};
 981 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
 982 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
 983 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
 984 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
 985 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
 986 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
 987 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
 988 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
 989 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
 990 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
 991 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
 992 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 993 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 994 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 995 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 996 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
 997 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
 998
 999 qboolean        joy_avail, joy_advancedinit, joy_haspov;
1000 DWORD           joy_oldbuttonstate, joy_oldpovstate;
1001
1002 int                     joy_id;
1003 DWORD           joy_flags;
1004 DWORD           joy_numbuttons;
1005
1006 static LPDIRECTINPUT            g_pdi;
1007 static LPDIRECTINPUTDEVICE      g_pMouse;
1008
1009 static JOYINFOEX        ji;
1010
1011 static HINSTANCE hInstDI;
1012
1013 //static qboolean       dinput;
1014
1015 typedef struct MYDATA {
1016         LONG  lX;                   // X axis goes here
1017         LONG  lY;                   // Y axis goes here
1018         LONG  lZ;                   // Z axis goes here
1019         BYTE  bButtonA;             // One button goes here
1020         BYTE  bButtonB;             // Another button goes here
1021         BYTE  bButtonC;             // Another button goes here
1022         BYTE  bButtonD;             // Another button goes here
1023 } MYDATA;
1024
1025 static DIOBJECTDATAFORMAT rgodf[] = {
1026   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
1027   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
1028   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
1029   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1030   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1031   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1032   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1033 };
1034
1035 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
1036
1037 static DIDATAFORMAT     df = {
1038         sizeof(DIDATAFORMAT),       // this structure
1039         sizeof(DIOBJECTDATAFORMAT), // size of object data format
1040         DIDF_RELAXIS,               // absolute axis coordinates
1041         sizeof(MYDATA),             // device data size
1042         NUM_OBJECTS,                // number of objects
1043         rgodf,                      // and here they are
1044 };
1045
1046 // forward-referenced functions
1047 void IN_StartupJoystick (void);
1048 void Joy_AdvancedUpdate_f (void);
1049 void IN_JoyMove (usercmd_t *cmd);
1050
1051
1052 /*
1053 ===========
1054 IN_ShowMouse
1055 ===========
1056 */
1057 void IN_ShowMouse (void)
1058 {
1059         if (!mouseshowtoggle)
1060         {
1061                 ShowCursor (true);
1062                 mouseshowtoggle = 1;
1063         }
1064 }
1065
1066
1067 /*
1068 ===========
1069 IN_HideMouse
1070 ===========
1071 */
1072 void IN_HideMouse (void)
1073 {
1074         if (mouseshowtoggle)
1075         {
1076                 ShowCursor (false);
1077                 mouseshowtoggle = 0;
1078         }
1079 }
1080
1081
1082 /*
1083 ===========
1084 IN_ActivateMouse
1085 ===========
1086 */
1087 void IN_ActivateMouse (void)
1088 {
1089
1090         mouseactivatetoggle = true;
1091
1092         if (mouseinitialized)
1093         {
1094                 if (dinput)
1095                 {
1096                         if (g_pMouse)
1097                         {
1098                                 if (!dinput_acquired)
1099                                 {
1100                                         IDirectInputDevice_Acquire(g_pMouse);
1101                                         dinput_acquired = true;
1102                                 }
1103                         }
1104                         else
1105                         {
1106                                 return;
1107                         }
1108                 }
1109                 else
1110                 {
1111                         RECT window_rect;
1112                         window_rect.left = window_x;
1113                         window_rect.top = window_y;
1114                         window_rect.right = window_x + window_width;
1115                         window_rect.bottom = window_y + window_height;
1116
1117                         if (mouseparmsvalid)
1118                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1119
1120                         SetCursorPos (window_center_x, window_center_y);
1121                         SetCapture (mainwindow);
1122                         ClipCursor (&window_rect);
1123                 }
1124
1125                 mouseactive = true;
1126         }
1127 }
1128
1129
1130 /*
1131 ===========
1132 IN_DeactivateMouse
1133 ===========
1134 */
1135 void IN_DeactivateMouse (void)
1136 {
1137
1138         mouseactivatetoggle = false;
1139
1140         if (mouseinitialized)
1141         {
1142                 if (dinput)
1143                 {
1144                         if (g_pMouse)
1145                         {
1146                                 if (dinput_acquired)
1147                                 {
1148                                         IDirectInputDevice_Unacquire(g_pMouse);
1149                                         dinput_acquired = false;
1150                                 }
1151                         }
1152                 }
1153                 else
1154                 {
1155                         if (restore_spi)
1156                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1157
1158                         ClipCursor (NULL);
1159                         ReleaseCapture ();
1160                 }
1161
1162                 mouseactive = false;
1163         }
1164 }
1165
1166
1167 /*
1168 ===========
1169 IN_InitDInput
1170 ===========
1171 */
1172 qboolean IN_InitDInput (void)
1173 {
1174     HRESULT             hr;
1175         DIPROPDWORD     dipdw = {
1176                 {
1177                         sizeof(DIPROPDWORD),        // diph.dwSize
1178                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1179                         0,                          // diph.dwObj
1180                         DIPH_DEVICE,                // diph.dwHow
1181                 },
1182                 DINPUT_BUFFERSIZE,              // dwData
1183         };
1184
1185         if (!hInstDI)
1186         {
1187                 hInstDI = LoadLibrary("dinput.dll");
1188
1189                 if (hInstDI == NULL)
1190                 {
1191                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1192                         return false;
1193                 }
1194         }
1195
1196         if (!pDirectInputCreate)
1197         {
1198                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1199
1200                 if (!pDirectInputCreate)
1201                 {
1202                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1203                         return false;
1204                 }
1205         }
1206
1207 // register with DirectInput and get an IDirectInput to play with.
1208         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1209
1210         if (FAILED(hr))
1211         {
1212                 return false;
1213         }
1214
1215 // obtain an interface to the system mouse device.
1216         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1217
1218         if (FAILED(hr))
1219         {
1220                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1221                 return false;
1222         }
1223
1224 // set the data format to "mouse format".
1225         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1226
1227         if (FAILED(hr))
1228         {
1229                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1230                 return false;
1231         }
1232
1233 // set the cooperativity level.
1234         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1235                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1236
1237         if (FAILED(hr))
1238         {
1239                 Con_SafePrintf ("Couldn't set DI coop level\n");
1240                 return false;
1241         }
1242
1243
1244 // set the buffer size to DINPUT_BUFFERSIZE elements.
1245 // the buffer size is a DWORD property associated with the device
1246         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1247
1248         if (FAILED(hr))
1249         {
1250                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1251                 return false;
1252         }
1253
1254         return true;
1255 }
1256
1257
1258 /*
1259 ===========
1260 IN_StartupMouse
1261 ===========
1262 */
1263 void IN_StartupMouse (void)
1264 {
1265         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1266                 return;
1267
1268         mouseinitialized = true;
1269
1270         if (COM_CheckParm ("-dinput"))
1271         {
1272                 dinput = IN_InitDInput ();
1273
1274                 if (dinput)
1275                 {
1276                         Con_SafePrintf ("DirectInput initialized\n");
1277                 }
1278                 else
1279                 {
1280                         Con_SafePrintf ("DirectInput not initialized\n");
1281                 }
1282         }
1283
1284         if (!dinput)
1285         {
1286                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1287
1288                 if (mouseparmsvalid)
1289                 {
1290                         if ( COM_CheckParm ("-noforcemspd") )
1291                                 newmouseparms[2] = originalmouseparms[2];
1292
1293                         if ( COM_CheckParm ("-noforcemaccel") )
1294                         {
1295                                 newmouseparms[0] = originalmouseparms[0];
1296                                 newmouseparms[1] = originalmouseparms[1];
1297                         }
1298
1299                         if ( COM_CheckParm ("-noforcemparms") )
1300                         {
1301                                 newmouseparms[0] = originalmouseparms[0];
1302                                 newmouseparms[1] = originalmouseparms[1];
1303                                 newmouseparms[2] = originalmouseparms[2];
1304                         }
1305                 }
1306         }
1307
1308         mouse_buttons = 3;
1309
1310 // if a fullscreen video mode was set before the mouse was initialized,
1311 // set the mouse state appropriately
1312         if (mouseactivatetoggle)
1313                 IN_ActivateMouse ();
1314 }
1315
1316
1317 /*
1318 ===========
1319 IN_Init
1320 ===========
1321 */
1322 void IN_Init (void)
1323 {
1324         // joystick variables
1325         Cvar_RegisterVariable (&in_joystick);
1326         Cvar_RegisterVariable (&joy_name);
1327         Cvar_RegisterVariable (&joy_advanced);
1328         Cvar_RegisterVariable (&joy_advaxisx);
1329         Cvar_RegisterVariable (&joy_advaxisy);
1330         Cvar_RegisterVariable (&joy_advaxisz);
1331         Cvar_RegisterVariable (&joy_advaxisr);
1332         Cvar_RegisterVariable (&joy_advaxisu);
1333         Cvar_RegisterVariable (&joy_advaxisv);
1334         Cvar_RegisterVariable (&joy_forwardthreshold);
1335         Cvar_RegisterVariable (&joy_sidethreshold);
1336         Cvar_RegisterVariable (&joy_pitchthreshold);
1337         Cvar_RegisterVariable (&joy_yawthreshold);
1338         Cvar_RegisterVariable (&joy_forwardsensitivity);
1339         Cvar_RegisterVariable (&joy_sidesensitivity);
1340         Cvar_RegisterVariable (&joy_pitchsensitivity);
1341         Cvar_RegisterVariable (&joy_yawsensitivity);
1342         Cvar_RegisterVariable (&joy_wwhack1);
1343         Cvar_RegisterVariable (&joy_wwhack2);
1344
1345         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1346
1347         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1348
1349         IN_StartupMouse ();
1350         IN_StartupJoystick ();
1351 }
1352
1353 /*
1354 ===========
1355 IN_Shutdown
1356 ===========
1357 */
1358 void IN_Shutdown (void)
1359 {
1360         IN_DeactivateMouse ();
1361         IN_ShowMouse ();
1362
1363     if (g_pMouse)
1364         {
1365                 IDirectInputDevice_Release(g_pMouse);
1366                 g_pMouse = NULL;
1367         }
1368
1369     if (g_pdi)
1370         {
1371                 IDirectInput_Release(g_pdi);
1372                 g_pdi = NULL;
1373         }
1374 }
1375
1376
1377 /*
1378 ===========
1379 IN_MouseEvent
1380 ===========
1381 */
1382 void IN_MouseEvent (int mstate)
1383 {
1384         int     i;
1385
1386         if (mouseactive && !dinput)
1387         {
1388         // perform button actions
1389                 for (i=0 ; i<mouse_buttons ; i++)
1390                 {
1391                         if ( (mstate & (1<<i)) &&
1392                                 !(mouse_oldbuttonstate & (1<<i)) )
1393                         {
1394                                 Key_Event (K_MOUSE1 + i, true);
1395                         }
1396
1397                         if ( !(mstate & (1<<i)) &&
1398                                 (mouse_oldbuttonstate & (1<<i)) )
1399                         {
1400                                 Key_Event (K_MOUSE1 + i, false);
1401                         }
1402                 }
1403
1404                 mouse_oldbuttonstate = mstate;
1405         }
1406 }
1407
1408
1409 /*
1410 ===========
1411 IN_MouseMove
1412 ===========
1413 */
1414 void IN_MouseMove (usercmd_t *cmd)
1415 {
1416         int                                     i, mx, my;
1417         DIDEVICEOBJECTDATA      od;
1418         DWORD                           dwElements;
1419         HRESULT                         hr;
1420
1421         if (!mouseactive)
1422         {
1423                 GetCursorPos (&current_pos);
1424                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1425                 return;
1426         }
1427
1428         if (dinput)
1429         {
1430                 mx = 0;
1431                 my = 0;
1432
1433                 for (;;)
1434                 {
1435                         dwElements = 1;
1436
1437                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1438                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1439
1440                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1441                         {
1442                                 dinput_acquired = true;
1443                                 IDirectInputDevice_Acquire(g_pMouse);
1444                                 break;
1445                         }
1446
1447                         /* Unable to read data or no data available */
1448                         if (FAILED(hr) || dwElements == 0)
1449                                 break;
1450
1451                         /* Look at the element to see what happened */
1452
1453                         switch (od.dwOfs)
1454                         {
1455                                 case DIMOFS_X:
1456                                         mx += od.dwData;
1457                                         break;
1458
1459                                 case DIMOFS_Y:
1460                                         my += od.dwData;
1461                                         break;
1462
1463                                 case DIMOFS_BUTTON0:
1464                                         if (od.dwData & 0x80)
1465                                                 mstate_di |= 1;
1466                                         else
1467                                                 mstate_di &= ~1;
1468                                         break;
1469
1470                                 case DIMOFS_BUTTON1:
1471                                         if (od.dwData & 0x80)
1472                                                 mstate_di |= (1<<1);
1473                                         else
1474                                                 mstate_di &= ~(1<<1);
1475                                         break;
1476
1477                                 case DIMOFS_BUTTON2:
1478                                         if (od.dwData & 0x80)
1479                                                 mstate_di |= (1<<2);
1480                                         else
1481                                                 mstate_di &= ~(1<<2);
1482                                         break;
1483                         }
1484                 }
1485
1486         // perform button actions
1487                 for (i=0 ; i<mouse_buttons ; i++)
1488                 {
1489                         if ( (mstate_di & (1<<i)) &&
1490                                 !(mouse_oldbuttonstate & (1<<i)) )
1491                         {
1492                                 Key_Event (K_MOUSE1 + i, true);
1493                         }
1494
1495                         if ( !(mstate_di & (1<<i)) &&
1496                                 (mouse_oldbuttonstate & (1<<i)) )
1497                         {
1498                                 Key_Event (K_MOUSE1 + i, false);
1499                         }
1500                 }
1501
1502                 mouse_oldbuttonstate = mstate_di;
1503         }
1504         else
1505         {
1506                 GetCursorPos (&current_pos);
1507                 mx = current_pos.x - window_center_x + mx_accum;
1508                 my = current_pos.y - window_center_y + my_accum;
1509                 mx_accum = 0;
1510                 my_accum = 0;
1511         }
1512
1513         IN_Mouse(cmd, mx, my);
1514
1515         // if the mouse has moved, force it to the center, so there's room to move
1516         if (!dinput && (mx || my))
1517                 SetCursorPos (window_center_x, window_center_y);
1518 }
1519
1520
1521 /*
1522 ===========
1523 IN_Move
1524 ===========
1525 */
1526 void IN_Move (usercmd_t *cmd)
1527 {
1528         if (vid_activewindow && !vid_hidden)
1529         {
1530                 IN_MouseMove (cmd);
1531                 IN_JoyMove (cmd);
1532         }
1533
1534         cl.viewangles[PITCH] = bound (in_pitch_min.value, cl.viewangles[PITCH], in_pitch_max.value);
1535 }
1536
1537
1538 /*
1539 ===========
1540 IN_Accumulate
1541 ===========
1542 */
1543 void IN_Accumulate (void)
1544 {
1545         if (mouseactive)
1546         {
1547                 if (!dinput)
1548                 {
1549                         GetCursorPos (&current_pos);
1550
1551                         mx_accum += current_pos.x - window_center_x;
1552                         my_accum += current_pos.y - window_center_y;
1553
1554                 // force the mouse to the center, so there's room to move
1555                         SetCursorPos (window_center_x, window_center_y);
1556                 }
1557         }
1558 }
1559
1560
1561 /*
1562 ===================
1563 IN_ClearStates
1564 ===================
1565 */
1566 void IN_ClearStates (void)
1567 {
1568         if (mouseactive)
1569         {
1570                 mx_accum = 0;
1571                 my_accum = 0;
1572                 mouse_oldbuttonstate = 0;
1573         }
1574 }
1575
1576
1577 /*
1578 ===============
1579 IN_StartupJoystick
1580 ===============
1581 */
1582 void IN_StartupJoystick (void)
1583 {
1584         int                     numdevs;
1585         JOYCAPS         jc;
1586         MMRESULT        mmr;
1587         mmr = 0;
1588
1589         // assume no joystick
1590         joy_avail = false;
1591
1592         // abort startup if user requests no joystick
1593         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1594                 return;
1595
1596         // verify joystick driver is present
1597         if ((numdevs = joyGetNumDevs ()) == 0)
1598         {
1599                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1600                 return;
1601         }
1602
1603         // cycle through the joystick ids for the first valid one
1604         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1605         {
1606                 memset (&ji, 0, sizeof(ji));
1607                 ji.dwSize = sizeof(ji);
1608                 ji.dwFlags = JOY_RETURNCENTERED;
1609
1610                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1611                         break;
1612         }
1613
1614         // abort startup if we didn't find a valid joystick
1615         if (mmr != JOYERR_NOERROR)
1616         {
1617                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1618                 return;
1619         }
1620
1621         // get the capabilities of the selected joystick
1622         // abort startup if command fails
1623         memset (&jc, 0, sizeof(jc));
1624         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1625         {
1626                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1627                 return;
1628         }
1629
1630         // save the joystick's number of buttons and POV status
1631         joy_numbuttons = jc.wNumButtons;
1632         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1633
1634         // old button and POV states default to no buttons pressed
1635         joy_oldbuttonstate = joy_oldpovstate = 0;
1636
1637         // mark the joystick as available and advanced initialization not completed
1638         // this is needed as cvars are not available during initialization
1639
1640         joy_avail = true;
1641         joy_advancedinit = false;
1642
1643         Con_Printf ("\njoystick detected\n\n");
1644 }
1645
1646
1647 /*
1648 ===========
1649 RawValuePointer
1650 ===========
1651 */
1652 PDWORD RawValuePointer (int axis)
1653 {
1654         switch (axis)
1655         {
1656         case JOY_AXIS_X:
1657                 return &ji.dwXpos;
1658         case JOY_AXIS_Y:
1659                 return &ji.dwYpos;
1660         case JOY_AXIS_Z:
1661                 return &ji.dwZpos;
1662         case JOY_AXIS_R:
1663                 return &ji.dwRpos;
1664         case JOY_AXIS_U:
1665                 return &ji.dwUpos;
1666         case JOY_AXIS_V:
1667                 return &ji.dwVpos;
1668         }
1669         return NULL; // LordHavoc: hush compiler warning
1670 }
1671
1672
1673 /*
1674 ===========
1675 Joy_AdvancedUpdate_f
1676 ===========
1677 */
1678 void Joy_AdvancedUpdate_f (void)
1679 {
1680
1681         // called once by IN_ReadJoystick and by user whenever an update is needed
1682         // cvars are now available
1683         int     i;
1684         DWORD dwTemp;
1685
1686         // initialize all the maps
1687         for (i = 0; i < JOY_MAX_AXES; i++)
1688         {
1689                 dwAxisMap[i] = AxisNada;
1690                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1691                 pdwRawValue[i] = RawValuePointer(i);
1692         }
1693
1694         if( joy_advanced.integer == 0)
1695         {
1696                 // default joystick initialization
1697                 // 2 axes only with joystick control
1698                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1699                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1700                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1701                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1702         }
1703         else
1704         {
1705                 if (strcmp (joy_name.string, "joystick") != 0)
1706                 {
1707                         // notify user of advanced controller
1708                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1709                 }
1710
1711                 // advanced initialization here
1712                 // data supplied by user via joy_axisn cvars
1713                 dwTemp = (DWORD) joy_advaxisx.value;
1714                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1715                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1716                 dwTemp = (DWORD) joy_advaxisy.value;
1717                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1718                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1719                 dwTemp = (DWORD) joy_advaxisz.value;
1720                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1721                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1722                 dwTemp = (DWORD) joy_advaxisr.value;
1723                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1724                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1725                 dwTemp = (DWORD) joy_advaxisu.value;
1726                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1727                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1728                 dwTemp = (DWORD) joy_advaxisv.value;
1729                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1730                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1731         }
1732
1733         // compute the axes to collect from DirectInput
1734         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1735         for (i = 0; i < JOY_MAX_AXES; i++)
1736         {
1737                 if (dwAxisMap[i] != AxisNada)
1738                 {
1739                         joy_flags |= dwAxisFlags[i];
1740                 }
1741         }
1742 }
1743
1744
1745 /*
1746 ===========
1747 IN_Commands
1748 ===========
1749 */
1750 void IN_Commands (void)
1751 {
1752         int             i, key_index;
1753         DWORD   buttonstate, povstate;
1754
1755         if (!joy_avail)
1756         {
1757                 return;
1758         }
1759
1760
1761         // loop through the joystick buttons
1762         // key a joystick event or auxillary event for higher number buttons for each state change
1763         buttonstate = ji.dwButtons;
1764         for (i=0 ; i < (int) joy_numbuttons ; i++)
1765         {
1766                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1767                 {
1768                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1769                         Key_Event (key_index + i, true);
1770                 }
1771
1772                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1773                 {
1774                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1775                         Key_Event (key_index + i, false);
1776                 }
1777         }
1778         joy_oldbuttonstate = buttonstate;
1779
1780         if (joy_haspov)
1781         {
1782                 // convert POV information into 4 bits of state information
1783                 // this avoids any potential problems related to moving from one
1784                 // direction to another without going through the center position
1785                 povstate = 0;
1786                 if(ji.dwPOV != JOY_POVCENTERED)
1787                 {
1788                         if (ji.dwPOV == JOY_POVFORWARD)
1789                                 povstate |= 0x01;
1790                         if (ji.dwPOV == JOY_POVRIGHT)
1791                                 povstate |= 0x02;
1792                         if (ji.dwPOV == JOY_POVBACKWARD)
1793                                 povstate |= 0x04;
1794                         if (ji.dwPOV == JOY_POVLEFT)
1795                                 povstate |= 0x08;
1796                 }
1797                 // determine which bits have changed and key an auxillary event for each change
1798                 for (i=0 ; i < 4 ; i++)
1799                 {
1800                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1801                         {
1802                                 Key_Event (K_AUX29 + i, true);
1803                         }
1804
1805                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1806                         {
1807                                 Key_Event (K_AUX29 + i, false);
1808                         }
1809                 }
1810                 joy_oldpovstate = povstate;
1811         }
1812 }
1813
1814
1815 /*
1816 ===============
1817 IN_ReadJoystick
1818 ===============
1819 */
1820 qboolean IN_ReadJoystick (void)
1821 {
1822
1823         memset (&ji, 0, sizeof(ji));
1824         ji.dwSize = sizeof(ji);
1825         ji.dwFlags = joy_flags;
1826
1827         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1828         {
1829                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1830                 // rather than having 32768 be the zero point, they have the zero point at 32668
1831                 // go figure -- anyway, now we get the full resolution out of the device
1832                 if (joy_wwhack1.integer != 0.0)
1833                 {
1834                         ji.dwUpos += 100;
1835                 }
1836                 return true;
1837         }
1838         else
1839         {
1840                 // read error occurred
1841                 // turning off the joystick seems too harsh for 1 read error,
1842                 // but what should be done?
1843                 return false;
1844         }
1845 }
1846
1847
1848 /*
1849 ===========
1850 IN_JoyMove
1851 ===========
1852 */
1853 void IN_JoyMove (usercmd_t *cmd)
1854 {
1855         float   speed, aspeed;
1856         float   fAxisValue, fTemp;
1857         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1858
1859         // complete initialization if first time in
1860         // this is needed as cvars are not available at initialization time
1861         if( joy_advancedinit != true )
1862         {
1863                 Joy_AdvancedUpdate_f();
1864                 joy_advancedinit = true;
1865         }
1866
1867         // verify joystick is available and that the user wants to use it
1868         if (!joy_avail || !in_joystick.integer)
1869         {
1870                 return;
1871         }
1872
1873         // collect the joystick data, if possible
1874         if (IN_ReadJoystick () != true)
1875         {
1876                 return;
1877         }
1878
1879         if (in_speed.state & 1)
1880                 speed = cl_movespeedkey.value;
1881         else
1882                 speed = 1;
1883         // LordHavoc: viewzoom affects sensitivity for sniping
1884         aspeed = speed * host_realframetime * cl.viewzoom;
1885
1886         // loop through the axes
1887         for (i = 0; i < JOY_MAX_AXES; i++)
1888         {
1889                 // get the floating point zero-centered, potentially-inverted data for the current axis
1890                 fAxisValue = (float) *pdwRawValue[i];
1891                 // move centerpoint to zero
1892                 fAxisValue -= 32768.0;
1893
1894                 if (joy_wwhack2.integer != 0.0)
1895                 {
1896                         if (dwAxisMap[i] == AxisTurn)
1897                         {
1898                                 // this is a special formula for the Logitech WingMan Warrior
1899                                 // y=ax^b; where a = 300 and b = 1.3
1900                                 // also x values are in increments of 800 (so this is factored out)
1901                                 // then bounds check result to level out excessively high spin rates
1902                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1903                                 if (fTemp > 14000.0)
1904                                         fTemp = 14000.0;
1905                                 // restore direction information
1906                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1907                         }
1908                 }
1909
1910                 // convert range from -32768..32767 to -1..1
1911                 fAxisValue /= 32768.0;
1912
1913                 switch (dwAxisMap[i])
1914                 {
1915                 case AxisForward:
1916                         if ((joy_advanced.integer == 0) && mouselook)
1917                         {
1918                                 // user wants forward control to become look control
1919                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1920                                 {
1921                                         // if mouse invert is on, invert the joystick pitch value
1922                                         // only absolute control support here (joy_advanced is false)
1923                                         if (m_pitch.value < 0.0)
1924                                         {
1925                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1926                                         }
1927                                         else
1928                                         {
1929                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1930                                         }
1931                                         V_StopPitchDrift();
1932                                 }
1933                                 else
1934                                 {
1935                                         // no pitch movement
1936                                         // disable pitch return-to-center unless requested by user
1937                                         // *** this code can be removed when the lookspring bug is fixed
1938                                         // *** the bug always has the lookspring feature on
1939                                         if(lookspring.value == 0.0)
1940                                                 V_StopPitchDrift();
1941                                 }
1942                         }
1943                         else
1944                         {
1945                                 // user wants forward control to be forward control
1946                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1947                                 {
1948                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1949                                 }
1950                         }
1951                         break;
1952
1953                 case AxisSide:
1954                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1955                         {
1956                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1957                         }
1958                         break;
1959
1960                 case AxisTurn:
1961                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1962                         {
1963                                 // user wants turn control to become side control
1964                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1965                                 {
1966                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1967                                 }
1968                         }
1969                         else
1970                         {
1971                                 // user wants turn control to be turn control
1972                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1973                                 {
1974                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1975                                         {
1976                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1977                                         }
1978                                         else
1979                                         {
1980                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1981                                         }
1982
1983                                 }
1984                         }
1985                         break;
1986
1987                 case AxisLook:
1988                         if (mouselook)
1989                         {
1990                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1991                                 {
1992                                         // pitch movement detected and pitch movement desired by user
1993                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1994                                         {
1995                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1996                                         }
1997                                         else
1998                                         {
1999                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
2000                                         }
2001                                         V_StopPitchDrift();
2002                                 }
2003                                 else
2004                                 {
2005                                         // no pitch movement
2006                                         // disable pitch return-to-center unless requested by user
2007                                         // *** this code can be removed when the lookspring bug is fixed
2008                                         // *** the bug always has the lookspring feature on
2009                                         if(lookspring.integer == 0)
2010                                                 V_StopPitchDrift();
2011                                 }
2012                         }
2013                         break;
2014
2015                 default:
2016                         break;
2017                 }
2018         }
2019 }
2020