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 // we don't need a very new dinput
  23 #define DIRECTINPUT_VERSION 0x0300
  24
  25 #include "quakedef.h"
  26 #include <windows.h>
  27 #include <mmsystem.h>
  28 #ifdef SUPPORTDIRECTX
  29 #include <dsound.h>
  30 #endif
  31 #include "resource.h"
  32 #include <commctrl.h>
  33 #ifdef SUPPORTDIRECTX
  34 #include <dinput.h>
  35 #endif
  36
  37 extern HINSTANCE global_hInstance;
  38
  39
  40 #ifndef WM_MOUSEWHEEL
  41 #define WM_MOUSEWHEEL                   0x020A
  42 #endif
  43
  44 // Tell startup code that we have a client
  45 int cl_available = true;
  46
  47 qboolean vid_supportrefreshrate = true;
  48
  49 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  50 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  51 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  52 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  53 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  54 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  55 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  56 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  57 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  58 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  59 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  60 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  61 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  62 static BOOL (WINAPI *qwglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
  63 static BOOL (WINAPI *qwglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
  64
  65 static dllfunction_t wglfuncs[] =
  66 {
  67         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  68         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  69 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  70         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  71         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  72         {"wglCreateContext", (void **) &qwglCreateContext},
  73         {"wglDeleteContext", (void **) &qwglDeleteContext},
  74         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  75         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  76         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  77         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  78         {NULL, NULL}
  79 };
  80
  81 static dllfunction_t wglswapintervalfuncs[] =
  82 {
  83         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  84         {NULL, NULL}
  85 };
  86
  87 static dllfunction_t wglpixelformatfuncs[] =
  88 {
  89         {"wglChoosePixelFormatARB", (void **) &qwglChoosePixelFormatARB},
  90         {"wglGetPixelFormatAttribivARB", (void **) &qwglGetPixelFormatAttribivARB},
  91         {NULL, NULL}
  92 };
  93
  94 static DEVMODE gdevmode, initialdevmode;
  95 static qboolean vid_initialized = false;
  96 static qboolean vid_wassuspended = false;
  97 static qboolean vid_usingmouse = false;
  98 static qboolean vid_usingvsync = false;
  99 static qboolean vid_usevsync = false;
 100 static HICON hIcon;
 101
 102 // used by cd_win.c and snd_win.c
 103 HWND mainwindow;
 104
 105 static HDC       baseDC;
 106 static HGLRC baseRC;
 107
 108 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
 109
 110 static qboolean vid_isfullscreen;
 111
 112 //void VID_MenuDraw (void);
 113 //void VID_MenuKey (int key);
 114
 115 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 116 //void AppActivate(BOOL fActive, BOOL minimize);
 117 //void ClearAllStates (void);
 118 //void VID_UpdateWindowStatus (void);
 119
 120 //====================================
 121
 122 static int window_x, window_y;
 123
 124 static qboolean mouseinitialized;
 125
 126 #ifdef SUPPORTDIRECTX
 127 static qboolean dinput;
 128 #define DINPUT_BUFFERSIZE           16
 129 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 130
 131 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 132 #endif
 133
 134 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 135 /* backslash :: imouse explorer buttons */
 136 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 137    MS's platform SDK, but we need them for compilation. . . */
 138 #ifndef WM_XBUTTONDOWN
 139    #define WM_XBUTTONDOWN      0x020B
 140    #define WM_XBUTTONUP      0x020C
 141 #endif
 142 #ifndef MK_XBUTTON1
 143    #define MK_XBUTTON1         0x0020
 144    #define MK_XBUTTON2         0x0040
 145 #endif
 146 #ifndef MK_XBUTTON3
 147 // LordHavoc: lets hope this allows more buttons in the future...
 148    #define MK_XBUTTON3         0x0080
 149    #define MK_XBUTTON4         0x0100
 150    #define MK_XBUTTON5         0x0200
 151    #define MK_XBUTTON6         0x0400
 152    #define MK_XBUTTON7         0x0800
 153 #endif
 154 /* :: backslash */
 155
 156 // mouse variables
 157 static int                      mouse_buttons;
 158 static int                      mouse_oldbuttonstate;
 159
 160 static unsigned int uiWheelMessage;
 161 #ifdef SUPPORTDIRECTX
 162 static qboolean dinput_acquired;
 163
 164 static unsigned int             mstate_di;
 165 #endif
 166
 167 // joystick defines and variables
 168 // where should defines be moved?
 169 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 170 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 171 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 172 #define JOY_AXIS_X                      0
 173 #define JOY_AXIS_Y                      1
 174 #define JOY_AXIS_Z                      2
 175 #define JOY_AXIS_R                      3
 176 #define JOY_AXIS_U                      4
 177 #define JOY_AXIS_V                      5
 178
 179 enum _ControlList
 180 {
 181         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 182 };
 183
 184 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 185 {
 186         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 187 };
 188
 189 static DWORD    dwAxisMap[JOY_MAX_AXES];
 190 static DWORD    dwControlMap[JOY_MAX_AXES];
 191 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 192
 193 // none of these cvars are saved over a session
 194 // this means that advanced controller configuration needs to be executed
 195 // each time.  this avoids any problems with getting back to a default usage
 196 // or when changing from one controller to another.  this way at least something
 197 // works.
 198 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
 199 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
 200 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
 201 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
 202 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
 203 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
 204 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
 205 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
 206 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
 207 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
 208 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
 209 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
 210 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
 211 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
 212 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
 213 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
 214 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
 215 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
 216 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
 217
 218 static cvar_t vid_forcerefreshrate = {0, "vid_forcerefreshrate", "0", "try to set the given vid_refreshrate even if Windows doesn't list it as valid video mode"};
 219
 220 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 221 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 222
 223 static int                      joy_id;
 224 static DWORD            joy_flags;
 225 static DWORD            joy_numbuttons;
 226
 227 #ifdef SUPPORTDIRECTX
 228 static LPDIRECTINPUT            g_pdi;
 229 static LPDIRECTINPUTDEVICE      g_pMouse;
 230 static HINSTANCE hInstDI;
 231 #endif
 232
 233 static JOYINFOEX        ji;
 234
 235 // forward-referenced functions
 236 static void IN_StartupJoystick (void);
 237 static void Joy_AdvancedUpdate_f (void);
 238 static void IN_JoyMove (void);
 239 static void IN_StartupMouse (void);
 240
 241
 242 //====================================
 243
 244 void VID_Finish (void)
 245 {
 246         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 247         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 248         {
 249                 vid_usingvsync = vid_usevsync;
 250                 qwglSwapIntervalEXT (vid_usevsync);
 251         }
 252
 253         if (r_render.integer && !vid_hidden)
 254         {
 255                 CHECKGLERROR
 256                 if (r_speeds.integer || gl_finish.integer)
 257                 {
 258                         qglFinish();CHECKGLERROR
 259                 }
 260                 SwapBuffers(baseDC);
 261         }
 262
 263         // make sure a context switch can happen every frame - Logitech drivers
 264         // input drivers sometimes eat cpu time every 3 seconds or lag badly
 265         // without this help
 266         Sleep(0);
 267
 268         VID_UpdateGamma(false, 256);
 269 }
 270
 271 //==========================================================================
 272
 273
 274
 275
 276 static unsigned char scantokey[128] =
 277 {
 278 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 279         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 280         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 281         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 282         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 283         K_F6       ,K_F7  ,K_F8 ,K_F9 ,K_F10,K_PAUSE,0      ,K_HOME,K_UPARROW,K_PGUP,K_KP_MINUS,K_LEFTARROW,K_KP_5,K_RIGHTARROW,K_KP_PLUS  ,K_END,//4
 284         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 285         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 286         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 287 };
 288
 289
 290 /*
 291 =======
 292 MapKey
 293
 294 Map from windows to quake keynums
 295 =======
 296 */
 297 static int MapKey (int key, int virtualkey)
 298 {
 299         int result;
 300         int modified = (key >> 16) & 255;
 301         qboolean is_extended = false;
 302
 303         if (modified < 128 && scantokey[modified])
 304                 result = scantokey[modified];
 305         else
 306         {
 307                 result = 0;
 308                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 309         }
 310
 311         if (key & (1 << 24))
 312                 is_extended = true;
 313
 314         if ( !is_extended )
 315         {
 316                 switch ( result )
 317                 {
 318                 case K_HOME:
 319                         return K_KP_HOME;
 320                 case K_UPARROW:
 321                         return K_KP_UPARROW;
 322                 case K_PGUP:
 323                         return K_KP_PGUP;
 324                 case K_LEFTARROW:
 325                         return K_KP_LEFTARROW;
 326                 case K_RIGHTARROW:
 327                         return K_KP_RIGHTARROW;
 328                 case K_END:
 329                         return K_KP_END;
 330                 case K_DOWNARROW:
 331                         return K_KP_DOWNARROW;
 332                 case K_PGDN:
 333                         return K_KP_PGDN;
 334                 case K_INS:
 335                         return K_KP_INS;
 336                 case K_DEL:
 337                         return K_KP_DEL;
 338                 default:
 339                         return result;
 340                 }
 341         }
 342         else
 343         {
 344                 switch ( result )
 345                 {
 346                 case 0x0D:
 347                         return K_KP_ENTER;
 348                 case 0x2F:
 349                         return K_KP_SLASH;
 350                 case 0xAF:
 351                         return K_KP_PLUS;
 352                 }
 353                 return result;
 354         }
 355 }
 356
 357 /*
 358 ===================================================================
 359
 360 MAIN WINDOW
 361
 362 ===================================================================
 363 */
 364
 365 /*
 366 ================
 367 ClearAllStates
 368 ================
 369 */
 370 static void ClearAllStates (void)
 371 {
 372         Key_ClearStates ();
 373         if (vid_usingmouse)
 374                 mouse_oldbuttonstate = 0;
 375 }
 376
 377 void AppActivate(BOOL fActive, BOOL minimize)
 378 /****************************************************************************
 379 *
 380 * Function:     AppActivate
 381 * Parameters:   fActive - True if app is activating
 382 *
 383 * Description:  If the application is activating, then swap the system
 384 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 385 *               correctly.
 386 *
 387 ****************************************************************************/
 388 {
 389         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
 390
 391         vid_activewindow = fActive;
 392         vid_hidden = minimize;
 393
 394         // enable/disable sound on focus gain/loss
 395         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
 396         {
 397                 if (!sound_active)
 398                 {
 399                         S_UnblockSound ();
 400                         sound_active = true;
 401                 }
 402         }
 403         else
 404         {
 405                 if (sound_active)
 406                 {
 407                         S_BlockSound ();
 408                         sound_active = false;
 409                 }
 410         }
 411
 412         if (fActive)
 413         {
 414                 if (vid_isfullscreen)
 415                 {
 416                         if (vid_wassuspended)
 417                         {
 418                                 vid_wassuspended = false;
 419                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 420                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 421                         }
 422
 423                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 424                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 425                 }
 426         }
 427
 428         if (!fActive)
 429         {
 430                 VID_GrabMouse(false);
 431                 if (vid_isfullscreen)
 432                 {
 433                         ChangeDisplaySettings (NULL, 0);
 434                         vid_wassuspended = true;
 435                 }
 436                 VID_RestoreSystemGamma();
 437         }
 438 }
 439
 440 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 441 void Sys_SendKeyEvents (void)
 442 {
 443         MSG msg;
 444
 445         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 446         {
 447                 if (!GetMessage (&msg, NULL, 0, 0))
 448                         Sys_Quit (1);
 449
 450                 TranslateMessage (&msg);
 451                 DispatchMessage (&msg);
 452         }
 453 }
 454
 455 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 456
 457 static keynum_t buttonremap[16] =
 458 {
 459         K_MOUSE1,
 460         K_MOUSE2,
 461         K_MOUSE3,
 462         K_MOUSE4,
 463         K_MOUSE5,
 464         K_MOUSE6,
 465         K_MOUSE7,
 466         K_MOUSE8,
 467         K_MOUSE9,
 468         K_MOUSE10,
 469         K_MOUSE11,
 470         K_MOUSE12,
 471         K_MOUSE13,
 472         K_MOUSE14,
 473         K_MOUSE15,
 474         K_MOUSE16,
 475 };
 476
 477 /* main window procedure */
 478 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 479 {
 480         LONG    lRet = 1;
 481         int             fActive, fMinimized, temp;
 482         char    state[256];
 483         char    asciichar[4];
 484         int             vkey;
 485         int             charlength;
 486         qboolean down = false;
 487
 488         if ( uMsg == uiWheelMessage )
 489                 uMsg = WM_MOUSEWHEEL;
 490
 491         switch (uMsg)
 492         {
 493                 case WM_KILLFOCUS:
 494                         if (vid_isfullscreen)
 495                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 496                         break;
 497
 498                 case WM_CREATE:
 499                         break;
 500
 501                 case WM_MOVE:
 502                         window_x = (int) LOWORD(lParam);
 503                         window_y = (int) HIWORD(lParam);
 504                         VID_GrabMouse(false);
 505                         break;
 506
 507                 case WM_KEYDOWN:
 508                 case WM_SYSKEYDOWN:
 509                         down = true;
 510                 case WM_KEYUP:
 511                 case WM_SYSKEYUP:
 512                         vkey = MapKey(lParam, wParam);
 513                         GetKeyboardState (state);
 514                         // alt/ctrl/shift tend to produce funky ToAscii values,
 515                         // and if it's not a single character we don't know care about it
 516                         charlength = ToAscii (wParam, lParam >> 16, state, (LPWORD)asciichar, 0);
 517                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
 518                                 asciichar[0] = 0;
 519                         else if( charlength == 2 ) {
 520                                 asciichar[0] = asciichar[1];
 521                         }
 522                         Key_Event (vkey, asciichar[0], down);
 523                         break;
 524
 525                 case WM_SYSCHAR:
 526                 // keep Alt-Space from happening
 527                         break;
 528
 529                 case WM_SYSCOMMAND:
 530                         // prevent screensaver from occuring while the active window
 531                         // note: password-locked screensavers on Vista still work
 532                         if (vid_activewindow && ((wParam & 0xFFF0) == SC_SCREENSAVE || (wParam & 0xFFF0) == SC_MONITORPOWER))
 533                                 lRet = 0;
 534                         else
 535                                 lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 536                         break;
 537
 538         // this is complicated because Win32 seems to pack multiple mouse events into
 539         // one update sometimes, so we always check all states and look for events
 540                 case WM_LBUTTONDOWN:
 541                 case WM_LBUTTONUP:
 542                 case WM_RBUTTONDOWN:
 543                 case WM_RBUTTONUP:
 544                 case WM_MBUTTONDOWN:
 545                 case WM_MBUTTONUP:
 546                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 547                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 548                 case WM_MOUSEMOVE:
 549                         temp = 0;
 550
 551                         if (wParam & MK_LBUTTON)
 552                                 temp |= 1;
 553
 554                         if (wParam & MK_RBUTTON)
 555                                 temp |= 2;
 556
 557                         if (wParam & MK_MBUTTON)
 558                                 temp |= 4;
 559
 560                         /* backslash :: imouse explorer buttons */
 561                         if (wParam & MK_XBUTTON1)
 562                                 temp |= 8;
 563
 564                         if (wParam & MK_XBUTTON2)
 565                                 temp |= 16;
 566                         /* :: backslash */
 567
 568                         // LordHavoc: lets hope this allows more buttons in the future...
 569                         if (wParam & MK_XBUTTON3)
 570                                 temp |= 32;
 571                         if (wParam & MK_XBUTTON4)
 572                                 temp |= 64;
 573                         if (wParam & MK_XBUTTON5)
 574                                 temp |= 128;
 575                         if (wParam & MK_XBUTTON6)
 576                                 temp |= 256;
 577                         if (wParam & MK_XBUTTON7)
 578                                 temp |= 512;
 579
 580 #ifdef SUPPORTDIRECTX
 581                         if (vid_usingmouse && !dinput_acquired)
 582 #else
 583                         if (vid_usingmouse)
 584 #endif
 585                         {
 586                                 // perform button actions
 587                                 int i;
 588                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
 589                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 590                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
 591                                 mouse_oldbuttonstate = temp;
 592                         }
 593
 594                         break;
 595
 596                 // JACK: This is the mouse wheel with the Intellimouse
 597                 // Its delta is either positive or neg, and we generate the proper
 598                 // Event.
 599                 case WM_MOUSEWHEEL:
 600                         if ((short) HIWORD(wParam) > 0) {
 601                                 Key_Event(K_MWHEELUP, 0, true);
 602                                 Key_Event(K_MWHEELUP, 0, false);
 603                         } else {
 604                                 Key_Event(K_MWHEELDOWN, 0, true);
 605                                 Key_Event(K_MWHEELDOWN, 0, false);
 606                         }
 607                         break;
 608
 609                 case WM_SIZE:
 610                         break;
 611
 612                 case WM_CLOSE:
 613                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 614                                 Sys_Quit (0);
 615
 616                         break;
 617
 618                 case WM_ACTIVATE:
 619                         fActive = LOWORD(wParam);
 620                         fMinimized = (BOOL) HIWORD(wParam);
 621                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 622
 623                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 624                         ClearAllStates ();
 625
 626                         break;
 627
 628                 //case WM_DESTROY:
 629                 //      PostQuitMessage (0);
 630                 //      break;
 631
 632                 case MM_MCINOTIFY:
 633                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 634                         break;
 635
 636                 default:
 637                         /* pass all unhandled messages to DefWindowProc */
 638                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 639                 break;
 640         }
 641
 642         /* return 1 if handled message, 0 if not */
 643         return lRet;
 644 }
 645
 646 int VID_SetGamma(unsigned short *ramps, int rampsize)
 647 {
 648         HDC hdc = GetDC (NULL);
 649         int i = SetDeviceGammaRamp(hdc, ramps);
 650         ReleaseDC (NULL, hdc);
 651         return i; // return success or failure
 652 }
 653
 654 int VID_GetGamma(unsigned short *ramps, int rampsize)
 655 {
 656         HDC hdc = GetDC (NULL);
 657         int i = GetDeviceGammaRamp(hdc, ramps);
 658         ReleaseDC (NULL, hdc);
 659         return i; // return success or failure
 660 }
 661
 662 static HINSTANCE gldll;
 663
 664 static void GL_CloseLibrary(void)
 665 {
 666         FreeLibrary(gldll);
 667         gldll = 0;
 668         gl_driver[0] = 0;
 669         qwglGetProcAddress = NULL;
 670         gl_extensions = "";
 671         gl_platform = "";
 672         gl_platformextensions = "";
 673 }
 674
 675 static int GL_OpenLibrary(const char *name)
 676 {
 677         Con_Printf("Loading OpenGL driver %s\n", name);
 678         GL_CloseLibrary();
 679         if (!(gldll = LoadLibrary(name)))
 680         {
 681                 Con_Printf("Unable to LoadLibrary %s\n", name);
 682                 return false;
 683         }
 684         strlcpy(gl_driver, name, sizeof(gl_driver));
 685         return true;
 686 }
 687
 688 void *GL_GetProcAddress(const char *name)
 689 {
 690         void *p = NULL;
 691         if (qwglGetProcAddress != NULL)
 692                 p = (void *) qwglGetProcAddress(name);
 693         if (p == NULL)
 694                 p = (void *) GetProcAddress(gldll, name);
 695         return p;
 696 }
 697
 698 #ifndef WGL_ARB_pixel_format
 699 #define WGL_NUMBER_PIXEL_FORMATS_ARB   0x2000
 700 #define WGL_DRAW_TO_WINDOW_ARB         0x2001
 701 #define WGL_DRAW_TO_BITMAP_ARB         0x2002
 702 #define WGL_ACCELERATION_ARB           0x2003
 703 #define WGL_NEED_PALETTE_ARB           0x2004
 704 #define WGL_NEED_SYSTEM_PALETTE_ARB    0x2005
 705 #define WGL_SWAP_LAYER_BUFFERS_ARB     0x2006
 706 #define WGL_SWAP_METHOD_ARB            0x2007
 707 #define WGL_NUMBER_OVERLAYS_ARB        0x2008
 708 #define WGL_NUMBER_UNDERLAYS_ARB       0x2009
 709 #define WGL_TRANSPARENT_ARB            0x200A
 710 #define WGL_TRANSPARENT_RED_VALUE_ARB  0x2037
 711 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
 712 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
 713 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
 714 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
 715 #define WGL_SHARE_DEPTH_ARB            0x200C
 716 #define WGL_SHARE_STENCIL_ARB          0x200D
 717 #define WGL_SHARE_ACCUM_ARB            0x200E
 718 #define WGL_SUPPORT_GDI_ARB            0x200F
 719 #define WGL_SUPPORT_OPENGL_ARB         0x2010
 720 #define WGL_DOUBLE_BUFFER_ARB          0x2011
 721 #define WGL_STEREO_ARB                 0x2012
 722 #define WGL_PIXEL_TYPE_ARB             0x2013
 723 #define WGL_COLOR_BITS_ARB             0x2014
 724 #define WGL_RED_BITS_ARB               0x2015
 725 #define WGL_RED_SHIFT_ARB              0x2016
 726 #define WGL_GREEN_BITS_ARB             0x2017
 727 #define WGL_GREEN_SHIFT_ARB            0x2018
 728 #define WGL_BLUE_BITS_ARB              0x2019
 729 #define WGL_BLUE_SHIFT_ARB             0x201A
 730 #define WGL_ALPHA_BITS_ARB             0x201B
 731 #define WGL_ALPHA_SHIFT_ARB            0x201C
 732 #define WGL_ACCUM_BITS_ARB             0x201D
 733 #define WGL_ACCUM_RED_BITS_ARB         0x201E
 734 #define WGL_ACCUM_GREEN_BITS_ARB       0x201F
 735 #define WGL_ACCUM_BLUE_BITS_ARB        0x2020
 736 #define WGL_ACCUM_ALPHA_BITS_ARB       0x2021
 737 #define WGL_DEPTH_BITS_ARB             0x2022
 738 #define WGL_STENCIL_BITS_ARB           0x2023
 739 #define WGL_AUX_BUFFERS_ARB            0x2024
 740 #define WGL_NO_ACCELERATION_ARB        0x2025
 741 #define WGL_GENERIC_ACCELERATION_ARB   0x2026
 742 #define WGL_FULL_ACCELERATION_ARB      0x2027
 743 #define WGL_SWAP_EXCHANGE_ARB          0x2028
 744 #define WGL_SWAP_COPY_ARB              0x2029
 745 #define WGL_SWAP_UNDEFINED_ARB         0x202A
 746 #define WGL_TYPE_RGBA_ARB              0x202B
 747 #define WGL_TYPE_COLORINDEX_ARB        0x202C
 748 #endif
 749
 750 #ifndef WGL_ARB_multisample
 751 #define WGL_SAMPLE_BUFFERS_ARB         0x2041
 752 #define WGL_SAMPLES_ARB                0x2042
 753 #endif
 754
 755
 756 static void IN_Init(void);
 757 void VID_Init(void)
 758 {
 759         WNDCLASS wc;
 760
 761         InitCommonControls();
 762         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 763
 764         // Register the frame class
 765         wc.style         = 0;
 766         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 767         wc.cbClsExtra    = 0;
 768         wc.cbWndExtra    = 0;
 769         wc.hInstance     = global_hInstance;
 770         wc.hIcon         = hIcon;
 771         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 772         wc.hbrBackground = NULL;
 773         wc.lpszMenuName  = 0;
 774         wc.lpszClassName = "DarkPlacesWindowClass";
 775
 776         if (!RegisterClass (&wc))
 777                 Con_Printf ("Couldn't register window class\n");
 778
 779         memset(&initialdevmode, 0, sizeof(initialdevmode));
 780         EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &initialdevmode);
 781
 782         IN_Init();
 783 }
 784
 785 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
 786 {
 787         int i;
 788         HDC hdc;
 789         RECT rect;
 790         MSG msg;
 791         PIXELFORMATDESCRIPTOR pfd =
 792         {
 793                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 794                 1,                              // version number
 795                 PFD_DRAW_TO_WINDOW              // support window
 796                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 797                 |  PFD_DOUBLEBUFFER ,   // double buffered
 798                 PFD_TYPE_RGBA,                  // RGBA type
 799                 24,                             // 24-bit color depth
 800                 0, 0, 0, 0, 0, 0,               // color bits ignored
 801                 0,                              // no alpha buffer
 802                 0,                              // shift bit ignored
 803                 0,                              // no accumulation buffer
 804                 0, 0, 0, 0,                     // accum bits ignored
 805                 32,                             // 32-bit z-buffer
 806                 0,                              // no stencil buffer
 807                 0,                              // no auxiliary buffer
 808                 PFD_MAIN_PLANE,                 // main layer
 809                 0,                              // reserved
 810                 0, 0, 0                         // layer masks ignored
 811         };
 812         int windowpass;
 813         int pixelformat, newpixelformat;
 814         int numpixelformats;
 815         DWORD WindowStyle, ExWindowStyle;
 816         int CenterX, CenterY;
 817         const char *gldrivername;
 818         int depth;
 819         DEVMODE thismode;
 820         qboolean foundmode, foundgoodmode;
 821         int *a;
 822         float *af;
 823         int attribs[128];
 824         float attribsf[16];
 825
 826         if (vid_initialized)
 827                 Sys_Error("VID_InitMode called when video is already initialised");
 828
 829         // if stencil is enabled, ask for alpha too
 830         if (bpp >= 32)
 831         {
 832                 pfd.cRedBits = 8;
 833                 pfd.cGreenBits = 8;
 834                 pfd.cBlueBits = 8;
 835                 pfd.cAlphaBits = 8;
 836                 pfd.cDepthBits = 24;
 837                 pfd.cStencilBits = 8;
 838         }
 839         else
 840         {
 841                 pfd.cRedBits = 5;
 842                 pfd.cGreenBits = 5;
 843                 pfd.cBlueBits = 5;
 844                 pfd.cAlphaBits = 0;
 845                 pfd.cDepthBits = 16;
 846                 pfd.cStencilBits = 0;
 847         }
 848
 849         if (stereobuffer)
 850                 pfd.dwFlags |= PFD_STEREO;
 851
 852         a = attribs;
 853         af = attribsf;
 854         *a++ = WGL_DRAW_TO_WINDOW_ARB;
 855         *a++ = GL_TRUE;
 856         *a++ = WGL_ACCELERATION_ARB;
 857         *a++ = WGL_FULL_ACCELERATION_ARB;
 858         *a++ = WGL_DOUBLE_BUFFER_ARB;
 859         *a++ = true;
 860
 861         if (bpp >= 32)
 862         {
 863                 *a++ = WGL_RED_BITS_ARB;
 864                 *a++ = 8;
 865                 *a++ = WGL_GREEN_BITS_ARB;
 866                 *a++ = 8;
 867                 *a++ = WGL_BLUE_BITS_ARB;
 868                 *a++ = 8;
 869                 *a++ = WGL_ALPHA_BITS_ARB;
 870                 *a++ = 8;
 871                 *a++ = WGL_DEPTH_BITS_ARB;
 872                 *a++ = 24;
 873                 *a++ = WGL_STENCIL_BITS_ARB;
 874                 *a++ = 8;
 875         }
 876         else
 877         {
 878                 *a++ = WGL_RED_BITS_ARB;
 879                 *a++ = 1;
 880                 *a++ = WGL_GREEN_BITS_ARB;
 881                 *a++ = 1;
 882                 *a++ = WGL_BLUE_BITS_ARB;
 883                 *a++ = 1;
 884                 *a++ = WGL_DEPTH_BITS_ARB;
 885                 *a++ = 16;
 886         }
 887
 888         if (stereobuffer)
 889         {
 890                 *a++ = WGL_STEREO_ARB;
 891                 *a++ = GL_TRUE;
 892         }
 893
 894         if (samples > 1)
 895         {
 896                 *a++ = WGL_SAMPLE_BUFFERS_ARB;
 897                 *a++ = 1;
 898                 *a++ = WGL_SAMPLES_ARB;
 899                 *a++ = samples;
 900         }
 901
 902         *a = 0;
 903         *af = 0;
 904
 905         gldrivername = "opengl32.dll";
 906 // COMMANDLINEOPTION: Windows WGL: -gl_driver <drivername> selects a GL driver library, default is opengl32.dll, useful only for 3dfxogl.dll or 3dfxvgl.dll, if you don't know what this is for, you don't need it
 907         i = COM_CheckParm("-gl_driver");
 908         if (i && i < com_argc - 1)
 909                 gldrivername = com_argv[i + 1];
 910         if (!GL_OpenLibrary(gldrivername))
 911         {
 912                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 913                 return false;
 914         }
 915
 916         memset(&gdevmode, 0, sizeof(gdevmode));
 917
 918         vid_isfullscreen = false;
 919         if (fullscreen)
 920         {
 921                 if(vid_forcerefreshrate.integer)
 922                 {
 923                         foundmode = true;
 924                         gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 925                         gdevmode.dmBitsPerPel = bpp;
 926                         gdevmode.dmPelsWidth = width;
 927                         gdevmode.dmPelsHeight = height;
 928                         gdevmode.dmSize = sizeof (gdevmode);
 929                         if(refreshrate)
 930                         {
 931                                 gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
 932                                 gdevmode.dmDisplayFrequency = refreshrate;
 933                         }
 934                 }
 935                 else
 936                 {
 937                         if(refreshrate == 0)
 938                                 refreshrate = initialdevmode.dmDisplayFrequency; // default vid_refreshrate to the rate of the desktop
 939
 940                         foundmode = false;
 941                         foundgoodmode = false;
 942
 943                         thismode.dmSize = sizeof(thismode);
 944                         thismode.dmDriverExtra = 0;
 945                         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
 946                         {
 947                                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
 948                                 {
 949                                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
 950                                         continue;
 951                                 }
 952                                 if(developer.integer >= 100)
 953                                         Con_Printf("Found mode %dx%dx%dbpp %dHz... ", (int)thismode.dmPelsWidth, (int)thismode.dmPelsHeight, (int)thismode.dmBitsPerPel, (int)thismode.dmDisplayFrequency);
 954                                 if(thismode.dmBitsPerPel != (DWORD)bpp)
 955                                 {
 956                                         if(developer.integer >= 100)
 957                                                 Con_Printf("wrong bpp\n");
 958                                         continue;
 959                                 }
 960                                 if(thismode.dmPelsWidth != (DWORD)width)
 961                                 {
 962                                         if(developer.integer >= 100)
 963                                                 Con_Printf("wrong width\n");
 964                                         continue;
 965                                 }
 966                                 if(thismode.dmPelsHeight != (DWORD)height)
 967                                 {
 968                                         if(developer.integer >= 100)
 969                                                 Con_Printf("wrong height\n");
 970                                         continue;
 971                                 }
 972
 973                                 if(foundgoodmode)
 974                                 {
 975                                         // if we have a good mode, make sure this mode is better than the previous one, and allowed by the refreshrate
 976                                         if(thismode.dmDisplayFrequency > (DWORD)refreshrate)
 977                                         {
 978                                                 if(developer.integer >= 100)
 979                                                         Con_Printf("too high refresh rate\n");
 980                                                 continue;
 981                                         }
 982                                         else if(thismode.dmDisplayFrequency <= gdevmode.dmDisplayFrequency)
 983                                         {
 984                                                 if(developer.integer >= 100)
 985                                                         Con_Printf("doesn't beat previous best match (too low)\n");
 986                                                 continue;
 987                                         }
 988                                 }
 989                                 else if(foundmode)
 990                                 {
 991                                         // we do have one, but it isn't good... make sure it has a lower frequency than the previous one
 992                                         if(thismode.dmDisplayFrequency >= gdevmode.dmDisplayFrequency)
 993                                         {
 994                                                 if(developer.integer >= 100)
 995                                                         Con_Printf("doesn't beat previous best match (too high)\n");
 996                                                 continue;
 997                                         }
 998                                 }
 999                                 // otherwise, take anything
1000
1001                                 memcpy(&gdevmode, &thismode, sizeof(gdevmode));
1002                                 if(thismode.dmDisplayFrequency <= (DWORD)refreshrate)
1003                                         foundgoodmode = true;
1004                                 else
1005                                 {
1006                                         if(developer.integer >= 100)
1007                                                 Con_Printf("(out of range)\n");
1008                                 }
1009                                 foundmode = true;
1010                                 if(developer.integer >= 100)
1011                                         Con_Printf("accepted\n");
1012                         }
1013                 }
1014
1015                 if (!foundmode)
1016                 {
1017                         VID_Shutdown();
1018                         Con_Printf("Unable to find the requested mode %dx%dx%dbpp\n", width, height, bpp);
1019                         return false;
1020                 }
1021                 else if(ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
1022                 {
1023                         VID_Shutdown();
1024                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
1025                         return false;
1026                 }
1027
1028                 vid_isfullscreen = true;
1029                 WindowStyle = WS_POPUP;
1030                 ExWindowStyle = WS_EX_TOPMOST;
1031         }
1032         else
1033         {
1034                 hdc = GetDC (NULL);
1035                 i = GetDeviceCaps(hdc, RASTERCAPS);
1036                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
1037                 ReleaseDC (NULL, hdc);
1038                 if (i & RC_PALETTE)
1039                 {
1040                         VID_Shutdown();
1041                         Con_Print("Can't run in non-RGB mode\n");
1042                         return false;
1043                 }
1044                 if (bpp > depth)
1045                 {
1046                         VID_Shutdown();
1047                         Con_Print("A higher desktop depth is required to run this video mode\n");
1048                         return false;
1049                 }
1050
1051                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
1052                 ExWindowStyle = 0;
1053         }
1054
1055         rect.top = 0;
1056         rect.left = 0;
1057         rect.right = width;
1058         rect.bottom = height;
1059         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
1060
1061         if (fullscreen)
1062         {
1063                 CenterX = 0;
1064                 CenterY = 0;
1065         }
1066         else
1067         {
1068                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
1069                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
1070         }
1071         CenterX = max(0, CenterX);
1072         CenterY = max(0, CenterY);
1073
1074         // x and y may be changed by WM_MOVE messages
1075         window_x = CenterX;
1076         window_y = CenterY;
1077         rect.left += CenterX;
1078         rect.right += CenterX;
1079         rect.top += CenterY;
1080         rect.bottom += CenterY;
1081
1082         pixelformat = 0;
1083         newpixelformat = 0;
1084         // start out at the final windowpass if samples is 1 as it's the only feature we need extended pixel formats for
1085         for (windowpass = samples == 1;windowpass < 2;windowpass++)
1086         {
1087                 gl_extensions = "";
1088                 gl_platformextensions = "";
1089
1090                 mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
1091                 if (!mainwindow)
1092                 {
1093                         Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), NULL, NULL, (int)global_hInstance, NULL);
1094                         VID_Shutdown();
1095                         return false;
1096                 }
1097
1098                 baseDC = GetDC(mainwindow);
1099
1100                 if (!newpixelformat)
1101                         newpixelformat = ChoosePixelFormat(baseDC, &pfd);
1102                 pixelformat = newpixelformat;
1103                 if (!pixelformat)
1104                 {
1105                         VID_Shutdown();
1106                         Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
1107                         return false;
1108                 }
1109
1110                 if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
1111                 {
1112                         VID_Shutdown();
1113                         Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
1114                         return false;
1115                 }
1116
1117                 if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
1118                 {
1119                         VID_Shutdown();
1120                         Con_Print("wgl functions not found\n");
1121                         return false;
1122                 }
1123
1124                 baseRC = qwglCreateContext(baseDC);
1125                 if (!baseRC)
1126                 {
1127                         VID_Shutdown();
1128                         Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
1129                         return false;
1130                 }
1131                 if (!qwglMakeCurrent(baseDC, baseRC))
1132                 {
1133                         VID_Shutdown();
1134                         Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
1135                         return false;
1136                 }
1137
1138                 if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
1139                 {
1140                         VID_Shutdown();
1141                         Con_Print("glGetString not found\n");
1142                         return false;
1143                 }
1144                 if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
1145                         Con_Print("wglGetExtensionsStringARB not found\n");
1146
1147                 gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
1148                 gl_platform = "WGL";
1149                 gl_platformextensions = "";
1150
1151                 if (qwglGetExtensionsStringARB)
1152                         gl_platformextensions = (const char *)qwglGetExtensionsStringARB(baseDC);
1153
1154                 if (!gl_extensions)
1155                         gl_extensions = "";
1156                 if (!gl_platformextensions)
1157                         gl_platformextensions = "";
1158
1159                 // now some nice Windows pain:
1160                 // we have created a window, we needed one to find out if there are
1161                 // any multisample pixel formats available, the problem is that to
1162                 // actually use one of those multisample formats we now have to
1163                 // recreate the window (yes Microsoft OpenGL really is that bad)
1164
1165                 if (windowpass == 0)
1166                 {
1167                         if (!GL_CheckExtension("WGL_ARB_pixel_format", wglpixelformatfuncs, "-noarbpixelformat", false) || !qwglChoosePixelFormatARB(baseDC, attribs, attribsf, 1, &newpixelformat, &numpixelformats) || !newpixelformat)
1168                                 break;
1169                         // ok we got one - do it all over again with newpixelformat
1170                         qwglMakeCurrent(NULL, NULL);
1171                         qwglDeleteContext(baseRC);baseRC = 0;
1172                         ReleaseDC(mainwindow, baseDC);baseDC = 0;
1173                         // eat up any messages waiting for us
1174                         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1175                         {
1176                                 TranslateMessage (&msg);
1177                                 DispatchMessage (&msg);
1178                         }
1179                 }
1180         }
1181
1182         /*
1183         if (!fullscreen)
1184                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
1185         */
1186
1187         ShowWindow (mainwindow, SW_SHOWDEFAULT);
1188         UpdateWindow (mainwindow);
1189
1190         // now we try to make sure we get the focus on the mode switch, because
1191         // sometimes in some systems we don't.  We grab the foreground, then
1192         // finish setting up, pump all our messages, and sleep for a little while
1193         // to let messages finish bouncing around the system, then we put
1194         // ourselves at the top of the z order, then grab the foreground again,
1195         // Who knows if it helps, but it probably doesn't hurt
1196         SetForegroundWindow (mainwindow);
1197
1198         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1199         {
1200                 TranslateMessage (&msg);
1201                 DispatchMessage (&msg);
1202         }
1203
1204         Sleep (100);
1205
1206         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
1207
1208         SetForegroundWindow (mainwindow);
1209
1210         // fix the leftover Alt from any Alt-Tab or the like that switched us away
1211         ClearAllStates ();
1212
1213         gl_videosyncavailable = false;
1214
1215 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
1216         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
1217
1218         GL_Init ();
1219
1220         //vid_menudrawfn = VID_MenuDraw;
1221         //vid_menukeyfn = VID_MenuKey;
1222         vid_usingmouse = false;
1223         vid_usingvsync = false;
1224         vid_hidden = false;
1225         vid_initialized = true;
1226
1227         IN_StartupMouse ();
1228         IN_StartupJoystick ();
1229
1230         if (gl_videosyncavailable)
1231         {
1232                 vid_usevsync = vid_vsync.integer;
1233                 vid_usingvsync = vid_vsync.integer;
1234                 qwglSwapIntervalEXT (vid_usevsync);
1235         }
1236
1237         return true;
1238 }
1239
1240 static void IN_Shutdown(void);
1241 void VID_Shutdown (void)
1242 {
1243         if(vid_initialized == false)
1244                 return;
1245
1246         VID_GrabMouse(false);
1247         VID_RestoreSystemGamma();
1248
1249         vid_initialized = false;
1250         IN_Shutdown();
1251         if (qwglMakeCurrent)
1252                 qwglMakeCurrent(NULL, NULL);
1253         if (baseRC && qwglDeleteContext)
1254                 qwglDeleteContext(baseRC);
1255         // close the library before we get rid of the window
1256         GL_CloseLibrary();
1257         if (baseDC && mainwindow)
1258                 ReleaseDC(mainwindow, baseDC);
1259         AppActivate(false, false);
1260         if (mainwindow)
1261                 DestroyWindow(mainwindow);
1262         mainwindow = 0;
1263         if (vid_isfullscreen)
1264                 ChangeDisplaySettings (NULL, 0);
1265         vid_isfullscreen = false;
1266 }
1267
1268 void VID_GrabMouse(qboolean grab)
1269 {
1270         static qboolean restore_spi;
1271         static int originalmouseparms[3];
1272
1273         if (!mouseinitialized)
1274                 return;
1275
1276         if (grab)
1277         {
1278                 if (!vid_usingmouse)
1279                 {
1280                         vid_usingmouse = true;
1281                         cl_ignoremousemoves = 2;
1282 #ifdef SUPPORTDIRECTX
1283                         if (dinput && g_pMouse)
1284                         {
1285                                 IDirectInputDevice_Acquire(g_pMouse);
1286                                 dinput_acquired = true;
1287                         }
1288                         else
1289 #endif
1290                         {
1291                                 RECT window_rect;
1292                                 window_rect.left = window_x;
1293                                 window_rect.top = window_y;
1294                                 window_rect.right = window_x + vid.width;
1295                                 window_rect.bottom = window_y + vid.height;
1296
1297                                 // change mouse settings to turn off acceleration
1298 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1299                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1300                                 {
1301                                         int newmouseparms[3];
1302                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1303                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1304                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1305                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1306                                 }
1307                                 else
1308                                         restore_spi = false;
1309                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1310
1311                                 SetCapture (mainwindow);
1312                                 ClipCursor (&window_rect);
1313                         }
1314                         ShowCursor (false);
1315                 }
1316         }
1317         else
1318         {
1319                 if (vid_usingmouse)
1320                 {
1321                         vid_usingmouse = false;
1322                         cl_ignoremousemoves = 2;
1323 #ifdef SUPPORTDIRECTX
1324                         if (dinput_acquired)
1325                         {
1326                                 IDirectInputDevice_Unacquire(g_pMouse);
1327                                 dinput_acquired = false;
1328                         }
1329                         else
1330 #endif
1331                         {
1332                                 // restore system mouseparms if we changed them
1333                                 if (restore_spi)
1334                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1335                                 restore_spi = false;
1336                                 ClipCursor (NULL);
1337                                 ReleaseCapture ();
1338                         }
1339                         ShowCursor (true);
1340                 }
1341         }
1342 }
1343
1344
1345 #ifdef SUPPORTDIRECTX
1346 /*
1347 ===========
1348 IN_InitDInput
1349 ===========
1350 */
1351 static qboolean IN_InitDInput (void)
1352 {
1353     HRESULT             hr;
1354         DIPROPDWORD     dipdw = {
1355                 {
1356                         sizeof(DIPROPDWORD),        // diph.dwSize
1357                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1358                         0,                          // diph.dwObj
1359                         DIPH_DEVICE,                // diph.dwHow
1360                 },
1361                 DINPUT_BUFFERSIZE,              // dwData
1362         };
1363
1364         if (!hInstDI)
1365         {
1366                 hInstDI = LoadLibrary("dinput.dll");
1367
1368                 if (hInstDI == NULL)
1369                 {
1370                         Con_Print("Couldn't load dinput.dll\n");
1371                         return false;
1372                 }
1373         }
1374
1375         if (!pDirectInputCreate)
1376         {
1377                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1378
1379                 if (!pDirectInputCreate)
1380                 {
1381                         Con_Print("Couldn't get DI proc addr\n");
1382                         return false;
1383                 }
1384         }
1385
1386 // register with DirectInput and get an IDirectInput to play with.
1387         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1388
1389         if (FAILED(hr))
1390         {
1391                 return false;
1392         }
1393
1394 // obtain an interface to the system mouse device.
1395         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1396
1397         if (FAILED(hr))
1398         {
1399                 Con_Print("Couldn't open DI mouse device\n");
1400                 return false;
1401         }
1402
1403 // set the data format to "mouse format".
1404         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1405
1406         if (FAILED(hr))
1407         {
1408                 Con_Print("Couldn't set DI mouse format\n");
1409                 return false;
1410         }
1411
1412 // set the cooperativity level.
1413         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1414                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1415
1416         if (FAILED(hr))
1417         {
1418                 Con_Print("Couldn't set DI coop level\n");
1419                 return false;
1420         }
1421
1422
1423 // set the buffer size to DINPUT_BUFFERSIZE elements.
1424 // the buffer size is a DWORD property associated with the device
1425         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1426
1427         if (FAILED(hr))
1428         {
1429                 Con_Print("Couldn't set DI buffersize\n");
1430                 return false;
1431         }
1432
1433         return true;
1434 }
1435 #endif
1436
1437
1438 /*
1439 ===========
1440 IN_StartupMouse
1441 ===========
1442 */
1443 static void IN_StartupMouse (void)
1444 {
1445         if (COM_CheckParm ("-nomouse"))
1446                 return;
1447
1448         mouseinitialized = true;
1449
1450 #ifdef SUPPORTDIRECTX
1451 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1452         if (COM_CheckParm ("-dinput"))
1453                 dinput = IN_InitDInput ();
1454
1455         if (dinput)
1456                 Con_Print("DirectInput initialized\n");
1457         else
1458                 Con_Print("DirectInput not initialized\n");
1459 #endif
1460
1461         mouse_buttons = 10;
1462 }
1463
1464
1465 /*
1466 ===========
1467 IN_MouseMove
1468 ===========
1469 */
1470 static void IN_MouseMove (void)
1471 {
1472         POINT current_pos;
1473
1474         GetCursorPos (&current_pos);
1475         in_windowmouse_x = current_pos.x - window_x;
1476         in_windowmouse_y = current_pos.y - window_y;
1477
1478         if (!vid.mouseaim)
1479                 return;
1480
1481 #ifdef SUPPORTDIRECTX
1482         if (dinput_acquired)
1483         {
1484                 int i;
1485                 DIDEVICEOBJECTDATA      od;
1486                 DWORD                           dwElements;
1487                 HRESULT                         hr;
1488
1489                 for (;;)
1490                 {
1491                         dwElements = 1;
1492
1493                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1494                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1495
1496                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1497                         {
1498                                 IDirectInputDevice_Acquire(g_pMouse);
1499                                 break;
1500                         }
1501
1502                         /* Unable to read data or no data available */
1503                         if (FAILED(hr) || dwElements == 0)
1504                                 break;
1505
1506                         /* Look at the element to see what happened */
1507
1508                         switch (od.dwOfs)
1509                         {
1510                                 case DIMOFS_X:
1511                                         in_mouse_x += (LONG) od.dwData;
1512                                         break;
1513
1514                                 case DIMOFS_Y:
1515                                         in_mouse_y += (LONG) od.dwData;
1516                                         break;
1517
1518                                 case DIMOFS_Z:
1519                                         if((LONG) od.dwData < 0)
1520                                         {
1521                                                 Key_Event (K_MWHEELDOWN, 0, true);
1522                                                 Key_Event (K_MWHEELDOWN, 0, false);
1523                                         }
1524                                         else if((LONG) od.dwData > 0)
1525                                         {
1526                                                 Key_Event (K_MWHEELUP, 0, true);
1527                                                 Key_Event (K_MWHEELUP, 0, false);
1528                                         }
1529                                         break;
1530
1531                                 case DIMOFS_BUTTON0:
1532                                         if (od.dwData & 0x80)
1533                                                 mstate_di |= 1;
1534                                         else
1535                                                 mstate_di &= ~1;
1536                                         break;
1537
1538                                 case DIMOFS_BUTTON1:
1539                                         if (od.dwData & 0x80)
1540                                                 mstate_di |= (1<<1);
1541                                         else
1542                                                 mstate_di &= ~(1<<1);
1543                                         break;
1544
1545                                 case DIMOFS_BUTTON2:
1546                                         if (od.dwData & 0x80)
1547                                                 mstate_di |= (1<<2);
1548                                         else
1549                                                 mstate_di &= ~(1<<2);
1550                                         break;
1551
1552                                 case DIMOFS_BUTTON3:
1553                                         if (od.dwData & 0x80)
1554                                                 mstate_di |= (1<<3);
1555                                         else
1556                                                 mstate_di &= ~(1<<3);
1557                                         break;
1558                         }
1559                 }
1560
1561                 // perform button actions
1562                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1563                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1564                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1565                 mouse_oldbuttonstate = mstate_di;
1566         }
1567         else
1568 #endif
1569         {
1570                 in_mouse_x += in_windowmouse_x - (int)(vid.width / 2);
1571                 in_mouse_y += in_windowmouse_y - (int)(vid.height / 2);
1572
1573                 // if the mouse has moved, force it to the center, so there's room to move
1574                 if (in_mouse_x || in_mouse_y)
1575                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1576         }
1577 }
1578
1579
1580 /*
1581 ===========
1582 IN_Move
1583 ===========
1584 */
1585 void IN_Move (void)
1586 {
1587         if (vid_activewindow && !vid_hidden)
1588         {
1589                 IN_MouseMove ();
1590                 IN_JoyMove ();
1591         }
1592 }
1593
1594
1595 /*
1596 ===============
1597 IN_StartupJoystick
1598 ===============
1599 */
1600 static void IN_StartupJoystick (void)
1601 {
1602         int                     numdevs;
1603         JOYCAPS         jc;
1604         MMRESULT        mmr;
1605         mmr = 0;
1606
1607         // assume no joystick
1608         joy_avail = false;
1609
1610         // abort startup if user requests no joystick
1611 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1612         if (COM_CheckParm ("-nojoy"))
1613                 return;
1614
1615         // verify joystick driver is present
1616         if ((numdevs = joyGetNumDevs ()) == 0)
1617         {
1618                 Con_Print("\njoystick not found -- driver not present\n\n");
1619                 return;
1620         }
1621
1622         // cycle through the joystick ids for the first valid one
1623         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1624         {
1625                 memset (&ji, 0, sizeof(ji));
1626                 ji.dwSize = sizeof(ji);
1627                 ji.dwFlags = JOY_RETURNCENTERED;
1628
1629                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1630                         break;
1631         }
1632
1633         // abort startup if we didn't find a valid joystick
1634         if (mmr != JOYERR_NOERROR)
1635         {
1636                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1637                 return;
1638         }
1639
1640         // get the capabilities of the selected joystick
1641         // abort startup if command fails
1642         memset (&jc, 0, sizeof(jc));
1643         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1644         {
1645                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1646                 return;
1647         }
1648
1649         // save the joystick's number of buttons and POV status
1650         joy_numbuttons = jc.wNumButtons;
1651         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1652
1653         // old button and POV states default to no buttons pressed
1654         joy_oldbuttonstate = joy_oldpovstate = 0;
1655
1656         // mark the joystick as available and advanced initialization not completed
1657         // this is needed as cvars are not available during initialization
1658
1659         joy_avail = true;
1660         joy_advancedinit = false;
1661
1662         Con_Print("\njoystick detected\n\n");
1663 }
1664
1665
1666 /*
1667 ===========
1668 RawValuePointer
1669 ===========
1670 */
1671 static PDWORD RawValuePointer (int axis)
1672 {
1673         switch (axis)
1674         {
1675         case JOY_AXIS_X:
1676                 return &ji.dwXpos;
1677         case JOY_AXIS_Y:
1678                 return &ji.dwYpos;
1679         case JOY_AXIS_Z:
1680                 return &ji.dwZpos;
1681         case JOY_AXIS_R:
1682                 return &ji.dwRpos;
1683         case JOY_AXIS_U:
1684                 return &ji.dwUpos;
1685         case JOY_AXIS_V:
1686                 return &ji.dwVpos;
1687         }
1688         return NULL; // LordHavoc: hush compiler warning
1689 }
1690
1691
1692 /*
1693 ===========
1694 Joy_AdvancedUpdate_f
1695 ===========
1696 */
1697 static void Joy_AdvancedUpdate_f (void)
1698 {
1699
1700         // called once by IN_ReadJoystick and by user whenever an update is needed
1701         // cvars are now available
1702         int     i;
1703         DWORD dwTemp;
1704
1705         // initialize all the maps
1706         for (i = 0; i < JOY_MAX_AXES; i++)
1707         {
1708                 dwAxisMap[i] = AxisNada;
1709                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1710                 pdwRawValue[i] = RawValuePointer(i);
1711         }
1712
1713         if( joy_advanced.integer == 0)
1714         {
1715                 // default joystick initialization
1716                 // 2 axes only with joystick control
1717                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1718                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1719                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1720                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1721         }
1722         else
1723         {
1724                 if (strcmp (joy_name.string, "joystick") != 0)
1725                 {
1726                         // notify user of advanced controller
1727                         Con_Printf("\n%s configured\n\n", joy_name.string);
1728                 }
1729
1730                 // advanced initialization here
1731                 // data supplied by user via joy_axisn cvars
1732                 dwTemp = (DWORD) joy_advaxisx.value;
1733                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1734                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1735                 dwTemp = (DWORD) joy_advaxisy.value;
1736                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1737                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1738                 dwTemp = (DWORD) joy_advaxisz.value;
1739                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1740                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1741                 dwTemp = (DWORD) joy_advaxisr.value;
1742                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1743                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1744                 dwTemp = (DWORD) joy_advaxisu.value;
1745                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1746                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1747                 dwTemp = (DWORD) joy_advaxisv.value;
1748                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1749                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1750         }
1751
1752         // compute the axes to collect from DirectInput
1753         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1754         for (i = 0; i < JOY_MAX_AXES; i++)
1755         {
1756                 if (dwAxisMap[i] != AxisNada)
1757                 {
1758                         joy_flags |= dwAxisFlags[i];
1759                 }
1760         }
1761 }
1762
1763 /*
1764 ===============
1765 IN_ReadJoystick
1766 ===============
1767 */
1768 static qboolean IN_ReadJoystick (void)
1769 {
1770
1771         memset (&ji, 0, sizeof(ji));
1772         ji.dwSize = sizeof(ji);
1773         ji.dwFlags = joy_flags;
1774
1775         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1776         {
1777                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1778                 // rather than having 32768 be the zero point, they have the zero point at 32668
1779                 // go figure -- anyway, now we get the full resolution out of the device
1780                 if (joy_wwhack1.integer != 0.0)
1781                 {
1782                         ji.dwUpos += 100;
1783                 }
1784                 return true;
1785         }
1786         else
1787         {
1788                 // read error occurred
1789                 // turning off the joystick seems too harsh for 1 read error,
1790                 // but what should be done?
1791                 return false;
1792         }
1793 }
1794
1795
1796 /*
1797 ===========
1798 IN_JoyMove
1799 ===========
1800 */
1801 static void IN_JoyMove (void)
1802 {
1803         float   speed, aspeed;
1804         float   fAxisValue, fTemp;
1805         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1806
1807         // complete initialization if first time in
1808         // this is needed as cvars are not available at initialization time
1809         if( joy_advancedinit != true )
1810         {
1811                 Joy_AdvancedUpdate_f();
1812                 joy_advancedinit = true;
1813         }
1814
1815         if (joy_avail)
1816         {
1817                 int             i, key_index;
1818                 DWORD   buttonstate, povstate;
1819
1820                 // loop through the joystick buttons
1821                 // key a joystick event or auxillary event for higher number buttons for each state change
1822                 buttonstate = ji.dwButtons;
1823                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1824                 {
1825                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1826                         {
1827                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1828                                 Key_Event (key_index + i, 0, true);
1829                         }
1830
1831                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1832                         {
1833                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1834                                 Key_Event (key_index + i, 0, false);
1835                         }
1836                 }
1837                 joy_oldbuttonstate = buttonstate;
1838
1839                 if (joy_haspov)
1840                 {
1841                         // convert POV information into 4 bits of state information
1842                         // this avoids any potential problems related to moving from one
1843                         // direction to another without going through the center position
1844                         povstate = 0;
1845                         if(ji.dwPOV != JOY_POVCENTERED)
1846                         {
1847                                 if (ji.dwPOV == JOY_POVFORWARD)
1848                                         povstate |= 0x01;
1849                                 if (ji.dwPOV == JOY_POVRIGHT)
1850                                         povstate |= 0x02;
1851                                 if (ji.dwPOV == JOY_POVBACKWARD)
1852                                         povstate |= 0x04;
1853                                 if (ji.dwPOV == JOY_POVLEFT)
1854                                         povstate |= 0x08;
1855                         }
1856                         // determine which bits have changed and key an auxillary event for each change
1857                         for (i=0 ; i < 4 ; i++)
1858                         {
1859                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1860                                 {
1861                                         Key_Event (K_AUX29 + i, 0, true);
1862                                 }
1863
1864                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1865                                 {
1866                                         Key_Event (K_AUX29 + i, 0, false);
1867                                 }
1868                         }
1869                         joy_oldpovstate = povstate;
1870                 }
1871         }
1872
1873         // verify joystick is available and that the user wants to use it
1874         if (!joy_avail || !in_joystick.integer)
1875         {
1876                 return;
1877         }
1878
1879         // collect the joystick data, if possible
1880         if (IN_ReadJoystick () != true)
1881         {
1882                 return;
1883         }
1884
1885         if (in_speed.state & 1)
1886                 speed = cl_movespeedkey.value;
1887         else
1888                 speed = 1;
1889         // LordHavoc: viewzoom affects sensitivity for sniping
1890         aspeed = speed * cl.realframetime * cl.viewzoom;
1891
1892         // loop through the axes
1893         for (i = 0; i < JOY_MAX_AXES; i++)
1894         {
1895                 // get the floating point zero-centered, potentially-inverted data for the current axis
1896                 fAxisValue = (float) *pdwRawValue[i];
1897                 // move centerpoint to zero
1898                 fAxisValue -= 32768.0;
1899
1900                 if (joy_wwhack2.integer != 0.0)
1901                 {
1902                         if (dwAxisMap[i] == AxisTurn)
1903                         {
1904                                 // this is a special formula for the Logitech WingMan Warrior
1905                                 // y=ax^b; where a = 300 and b = 1.3
1906                                 // also x values are in increments of 800 (so this is factored out)
1907                                 // then bounds check result to level out excessively high spin rates
1908                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1909                                 if (fTemp > 14000.0)
1910                                         fTemp = 14000.0;
1911                                 // restore direction information
1912                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1913                         }
1914                 }
1915
1916                 // convert range from -32768..32767 to -1..1
1917                 fAxisValue /= 32768.0;
1918
1919                 switch (dwAxisMap[i])
1920                 {
1921                 case AxisForward:
1922                         if ((joy_advanced.integer == 0) && mouselook)
1923                         {
1924                                 // user wants forward control to become look control
1925                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1926                                 {
1927                                         // if mouse invert is on, invert the joystick pitch value
1928                                         // only absolute control support here (joy_advanced is false)
1929                                         if (m_pitch.value < 0.0)
1930                                         {
1931                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1932                                         }
1933                                         else
1934                                         {
1935                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1936                                         }
1937                                         V_StopPitchDrift();
1938                                 }
1939                                 else
1940                                 {
1941                                         // no pitch movement
1942                                         // disable pitch return-to-center unless requested by user
1943                                         // *** this code can be removed when the lookspring bug is fixed
1944                                         // *** the bug always has the lookspring feature on
1945                                         if(lookspring.value == 0.0)
1946                                                 V_StopPitchDrift();
1947                                 }
1948                         }
1949                         else
1950                         {
1951                                 // user wants forward control to be forward control
1952                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1953                                 {
1954                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1955                                 }
1956                         }
1957                         break;
1958
1959                 case AxisSide:
1960                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1961                         {
1962                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1963                         }
1964                         break;
1965
1966                 case AxisTurn:
1967                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1968                         {
1969                                 // user wants turn control to become side control
1970                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1971                                 {
1972                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1973                                 }
1974                         }
1975                         else
1976                         {
1977                                 // user wants turn control to be turn control
1978                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1979                                 {
1980                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1981                                         {
1982                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1983                                         }
1984                                         else
1985                                         {
1986                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1987                                         }
1988
1989                                 }
1990                         }
1991                         break;
1992
1993                 case AxisLook:
1994                         if (mouselook)
1995                         {
1996                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1997                                 {
1998                                         // pitch movement detected and pitch movement desired by user
1999                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
2000                                         {
2001                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
2002                                         }
2003                                         else
2004                                         {
2005                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
2006                                         }
2007                                         V_StopPitchDrift();
2008                                 }
2009                                 else
2010                                 {
2011                                         // no pitch movement
2012                                         // disable pitch return-to-center unless requested by user
2013                                         // *** this code can be removed when the lookspring bug is fixed
2014                                         // *** the bug always has the lookspring feature on
2015                                         if(lookspring.integer == 0)
2016                                                 V_StopPitchDrift();
2017                                 }
2018                         }
2019                         break;
2020
2021                 default:
2022                         break;
2023                 }
2024         }
2025 }
2026
2027 static void IN_Init(void)
2028 {
2029         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
2030
2031         // joystick variables
2032         Cvar_RegisterVariable (&in_joystick);
2033         Cvar_RegisterVariable (&joy_name);
2034         Cvar_RegisterVariable (&joy_advanced);
2035         Cvar_RegisterVariable (&joy_advaxisx);
2036         Cvar_RegisterVariable (&joy_advaxisy);
2037         Cvar_RegisterVariable (&joy_advaxisz);
2038         Cvar_RegisterVariable (&joy_advaxisr);
2039         Cvar_RegisterVariable (&joy_advaxisu);
2040         Cvar_RegisterVariable (&joy_advaxisv);
2041         Cvar_RegisterVariable (&joy_forwardthreshold);
2042         Cvar_RegisterVariable (&joy_sidethreshold);
2043         Cvar_RegisterVariable (&joy_pitchthreshold);
2044         Cvar_RegisterVariable (&joy_yawthreshold);
2045         Cvar_RegisterVariable (&joy_forwardsensitivity);
2046         Cvar_RegisterVariable (&joy_sidesensitivity);
2047         Cvar_RegisterVariable (&joy_pitchsensitivity);
2048         Cvar_RegisterVariable (&joy_yawsensitivity);
2049         Cvar_RegisterVariable (&joy_wwhack1);
2050         Cvar_RegisterVariable (&joy_wwhack2);
2051         Cvar_RegisterVariable (&vid_forcerefreshrate);
2052         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
2053 }
2054
2055 static void IN_Shutdown(void)
2056 {
2057 #ifdef SUPPORTDIRECTX
2058         if (g_pMouse)
2059                 IDirectInputDevice_Release(g_pMouse);
2060         g_pMouse = NULL;
2061
2062         if (g_pdi)
2063                 IDirectInput_Release(g_pdi);
2064         g_pdi = NULL;
2065 #endif
2066 }