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 #include <dsound.h>
  29 #include "resource.h"
  30 #include <commctrl.h>
  31 #include <dinput.h>
  32
  33 extern HINSTANCE global_hInstance;
  34
  35
  36 #ifndef WM_MOUSEWHEEL
  37 #define WM_MOUSEWHEEL                   0x020A
  38 #endif
  39
  40 // Tell startup code that we have a client
  41 int cl_available = true;
  42
  43 qboolean vid_supportrefreshrate = true;
  44
  45 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  46 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  47 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  48 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  49 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  50 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  51 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  52 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  53 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  54 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  55 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  56 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  57 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  58
  59 static dllfunction_t wglfuncs[] =
  60 {
  61         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  62         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  63 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  64         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  65         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  66         {"wglCreateContext", (void **) &qwglCreateContext},
  67         {"wglDeleteContext", (void **) &qwglDeleteContext},
  68         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  69         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  70         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  71         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  72         {NULL, NULL}
  73 };
  74
  75 static dllfunction_t wglswapintervalfuncs[] =
  76 {
  77         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  78         {NULL, NULL}
  79 };
  80
  81 static DEVMODE gdevmode;
  82 static qboolean vid_initialized = false;
  83 static qboolean vid_wassuspended = false;
  84 static qboolean vid_usingmouse = false;
  85 static qboolean vid_usingvsync = false;
  86 static qboolean vid_usevsync = false;
  87 static HICON hIcon;
  88
  89 // used by cd_win.c and snd_win.c
  90 HWND mainwindow;
  91
  92 static HDC       baseDC;
  93 static HGLRC baseRC;
  94
  95 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  96
  97 static qboolean vid_isfullscreen;
  98
  99 //void VID_MenuDraw (void);
 100 //void VID_MenuKey (int key);
 101
 102 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 103 //void AppActivate(BOOL fActive, BOOL minimize);
 104 //void ClearAllStates (void);
 105 //void VID_UpdateWindowStatus (void);
 106
 107 //====================================
 108
 109 static int window_x, window_y;
 110
 111 static void IN_Activate (qboolean grab);
 112
 113 static qboolean mouseinitialized;
 114 static qboolean dinput;
 115
 116 // input code
 117
 118 #define DINPUT_BUFFERSIZE           16
 119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 120
 121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 122
 123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 124 /* backslash :: imouse explorer buttons */
 125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 126    MS's platform SDK, but we need them for compilation. . . */
 127 #ifndef WM_XBUTTONDOWN
 128    #define WM_XBUTTONDOWN      0x020B
 129    #define WM_XBUTTONUP      0x020C
 130 #endif
 131 #ifndef MK_XBUTTON1
 132    #define MK_XBUTTON1         0x0020
 133    #define MK_XBUTTON2         0x0040
 134 #endif
 135 #ifndef MK_XBUTTON3
 136 // LordHavoc: lets hope this allows more buttons in the future...
 137    #define MK_XBUTTON3         0x0080
 138    #define MK_XBUTTON4         0x0100
 139    #define MK_XBUTTON5         0x0200
 140    #define MK_XBUTTON6         0x0400
 141    #define MK_XBUTTON7         0x0800
 142 #endif
 143 /* :: backslash */
 144
 145 // mouse variables
 146 static int                      mouse_buttons;
 147 static int                      mouse_oldbuttonstate;
 148
 149 static unsigned int uiWheelMessage;
 150 static qboolean dinput_acquired;
 151
 152 static unsigned int             mstate_di;
 153
 154 // joystick defines and variables
 155 // where should defines be moved?
 156 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 157 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 158 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 159 #define JOY_AXIS_X                      0
 160 #define JOY_AXIS_Y                      1
 161 #define JOY_AXIS_Z                      2
 162 #define JOY_AXIS_R                      3
 163 #define JOY_AXIS_U                      4
 164 #define JOY_AXIS_V                      5
 165
 166 enum _ControlList
 167 {
 168         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 169 };
 170
 171 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 172 {
 173         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 174 };
 175
 176 static DWORD    dwAxisMap[JOY_MAX_AXES];
 177 static DWORD    dwControlMap[JOY_MAX_AXES];
 178 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 179
 180 // none of these cvars are saved over a session
 181 // this means that advanced controller configuration needs to be executed
 182 // each time.  this avoids any problems with getting back to a default usage
 183 // or when changing from one controller to another.  this way at least something
 184 // works.
 185 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
 186 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
 187 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
 188 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
 189 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
 190 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
 191 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
 192 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
 193 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
 194 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
 195 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
 196 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
 197 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
 198 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
 199 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
 200 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
 201 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
 202 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
 203 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
 204
 205 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 206 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 207
 208 static int                      joy_id;
 209 static DWORD            joy_flags;
 210 static DWORD            joy_numbuttons;
 211
 212 static LPDIRECTINPUT            g_pdi;
 213 static LPDIRECTINPUTDEVICE      g_pMouse;
 214
 215 static JOYINFOEX        ji;
 216
 217 static HINSTANCE hInstDI;
 218
 219 // forward-referenced functions
 220 static void IN_StartupJoystick (void);
 221 static void Joy_AdvancedUpdate_f (void);
 222 static void IN_JoyMove (void);
 223 static void IN_StartupMouse (void);
 224
 225
 226 //====================================
 227
 228 void VID_Finish (qboolean allowmousegrab)
 229 {
 230         qboolean vid_usemouse;
 231
 232         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 233         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 234         {
 235                 vid_usingvsync = vid_usevsync;
 236                 qwglSwapIntervalEXT (vid_usevsync);
 237         }
 238
 239 // handle the mouse state when windowed if that's changed
 240         vid_usemouse = false;
 241         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
 242                 vid_usemouse = true;
 243         if (vid_isfullscreen)
 244                 vid_usemouse = true;
 245         if (!vid_activewindow)
 246                 vid_usemouse = false;
 247         IN_Activate(vid_usemouse);
 248
 249         if (r_render.integer && !vid_hidden)
 250         {
 251                 CHECKGLERROR
 252                 if (r_speeds.integer || gl_finish.integer)
 253                 {
 254                         qglFinish();CHECKGLERROR
 255                 }
 256                 SwapBuffers(baseDC);
 257         }
 258
 259         VID_UpdateGamma(false, 256);
 260 }
 261
 262 //==========================================================================
 263
 264
 265
 266
 267 static unsigned char scantokey[128] =
 268 {
 269 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 270         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 271         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 272         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 273         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 274         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
 275         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 276         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 277         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 278 };
 279
 280
 281 /*
 282 =======
 283 MapKey
 284
 285 Map from windows to quake keynums
 286 =======
 287 */
 288 static int MapKey (int key, int virtualkey)
 289 {
 290         int result;
 291         int modified = (key >> 16) & 255;
 292         qboolean is_extended = false;
 293
 294         if (modified < 128 && scantokey[modified])
 295                 result = scantokey[modified];
 296         else
 297         {
 298                 result = 0;
 299                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 300         }
 301
 302         if (key & (1 << 24))
 303                 is_extended = true;
 304
 305         if ( !is_extended )
 306         {
 307                 switch ( result )
 308                 {
 309                 case K_HOME:
 310                         return K_KP_HOME;
 311                 case K_UPARROW:
 312                         return K_KP_UPARROW;
 313                 case K_PGUP:
 314                         return K_KP_PGUP;
 315                 case K_LEFTARROW:
 316                         return K_KP_LEFTARROW;
 317                 case K_RIGHTARROW:
 318                         return K_KP_RIGHTARROW;
 319                 case K_END:
 320                         return K_KP_END;
 321                 case K_DOWNARROW:
 322                         return K_KP_DOWNARROW;
 323                 case K_PGDN:
 324                         return K_KP_PGDN;
 325                 case K_INS:
 326                         return K_KP_INS;
 327                 case K_DEL:
 328                         return K_KP_DEL;
 329                 default:
 330                         return result;
 331                 }
 332         }
 333         else
 334         {
 335                 switch ( result )
 336                 {
 337                 case 0x0D:
 338                         return K_KP_ENTER;
 339                 case 0x2F:
 340                         return K_KP_SLASH;
 341                 case 0xAF:
 342                         return K_KP_PLUS;
 343                 }
 344                 return result;
 345         }
 346 }
 347
 348 /*
 349 ===================================================================
 350
 351 MAIN WINDOW
 352
 353 ===================================================================
 354 */
 355
 356 /*
 357 ================
 358 ClearAllStates
 359 ================
 360 */
 361 static void ClearAllStates (void)
 362 {
 363         Key_ClearStates ();
 364         if (vid_usingmouse)
 365                 mouse_oldbuttonstate = 0;
 366 }
 367
 368 void AppActivate(BOOL fActive, BOOL minimize)
 369 /****************************************************************************
 370 *
 371 * Function:     AppActivate
 372 * Parameters:   fActive - True if app is activating
 373 *
 374 * Description:  If the application is activating, then swap the system
 375 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 376 *               correctly.
 377 *
 378 ****************************************************************************/
 379 {
 380         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
 381
 382         vid_activewindow = fActive;
 383         vid_hidden = minimize;
 384
 385         // enable/disable sound on focus gain/loss
 386         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
 387         {
 388                 if (!sound_active)
 389                 {
 390                         S_UnblockSound ();
 391                         sound_active = true;
 392                 }
 393         }
 394         else
 395         {
 396                 if (sound_active)
 397                 {
 398                         S_BlockSound ();
 399                         sound_active = false;
 400                 }
 401         }
 402
 403         if (fActive)
 404         {
 405                 if (vid_isfullscreen)
 406                 {
 407                         if (vid_wassuspended)
 408                         {
 409                                 vid_wassuspended = false;
 410                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 411                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 412                         }
 413
 414                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 415                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 416                 }
 417         }
 418
 419         if (!fActive)
 420         {
 421                 IN_Activate (false);
 422                 if (vid_isfullscreen)
 423                 {
 424                         ChangeDisplaySettings (NULL, 0);
 425                         vid_wassuspended = true;
 426                 }
 427                 VID_RestoreSystemGamma();
 428         }
 429 }
 430
 431 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 432 void Sys_SendKeyEvents (void)
 433 {
 434         MSG msg;
 435
 436         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 437         {
 438                 if (!GetMessage (&msg, NULL, 0, 0))
 439                         Sys_Quit (1);
 440
 441                 TranslateMessage (&msg);
 442                 DispatchMessage (&msg);
 443         }
 444 }
 445
 446 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 447
 448 static keynum_t buttonremap[16] =
 449 {
 450         K_MOUSE1,
 451         K_MOUSE2,
 452         K_MOUSE3,
 453         K_MOUSE4,
 454         K_MOUSE5,
 455         K_MOUSE6,
 456         K_MOUSE7,
 457         K_MOUSE8,
 458         K_MOUSE9,
 459         K_MOUSE10,
 460         K_MOUSE11,
 461         K_MOUSE12,
 462         K_MOUSE13,
 463         K_MOUSE14,
 464         K_MOUSE15,
 465         K_MOUSE16,
 466 };
 467
 468 /* main window procedure */
 469 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 470 {
 471         LONG    lRet = 1;
 472         int             fActive, fMinimized, temp;
 473         char    state[256];
 474         char    asciichar[4];
 475         int             vkey;
 476         int             charlength;
 477         qboolean down = false;
 478
 479         if ( uMsg == uiWheelMessage )
 480                 uMsg = WM_MOUSEWHEEL;
 481
 482         switch (uMsg)
 483         {
 484                 case WM_KILLFOCUS:
 485                         if (vid_isfullscreen)
 486                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 487                         break;
 488
 489                 case WM_CREATE:
 490                         break;
 491
 492                 case WM_MOVE:
 493                         window_x = (int) LOWORD(lParam);
 494                         window_y = (int) HIWORD(lParam);
 495                         IN_Activate(false);
 496                         break;
 497
 498                 case WM_KEYDOWN:
 499                 case WM_SYSKEYDOWN:
 500                         down = true;
 501                 case WM_KEYUP:
 502                 case WM_SYSKEYUP:
 503                         vkey = MapKey(lParam, wParam);
 504                         GetKeyboardState (state);
 505                         // alt/ctrl/shift tend to produce funky ToAscii values,
 506                         // and if it's not a single character we don't know care about it
 507                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
 508                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
 509                                 asciichar[0] = 0;
 510                         else if( charlength == 2 ) {
 511                                 asciichar[0] = asciichar[1];
 512                         }
 513                         Key_Event (vkey, asciichar[0], down);
 514                         break;
 515
 516                 case WM_SYSCHAR:
 517                 // keep Alt-Space from happening
 518                         break;
 519
 520         // this is complicated because Win32 seems to pack multiple mouse events into
 521         // one update sometimes, so we always check all states and look for events
 522                 case WM_LBUTTONDOWN:
 523                 case WM_LBUTTONUP:
 524                 case WM_RBUTTONDOWN:
 525                 case WM_RBUTTONUP:
 526                 case WM_MBUTTONDOWN:
 527                 case WM_MBUTTONUP:
 528                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 529                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 530                 case WM_MOUSEMOVE:
 531                         temp = 0;
 532
 533                         if (wParam & MK_LBUTTON)
 534                                 temp |= 1;
 535
 536                         if (wParam & MK_RBUTTON)
 537                                 temp |= 2;
 538
 539                         if (wParam & MK_MBUTTON)
 540                                 temp |= 4;
 541
 542                         /* backslash :: imouse explorer buttons */
 543                         if (wParam & MK_XBUTTON1)
 544                                 temp |= 8;
 545
 546                         if (wParam & MK_XBUTTON2)
 547                                 temp |= 16;
 548                         /* :: backslash */
 549
 550                         // LordHavoc: lets hope this allows more buttons in the future...
 551                         if (wParam & MK_XBUTTON3)
 552                                 temp |= 32;
 553                         if (wParam & MK_XBUTTON4)
 554                                 temp |= 64;
 555                         if (wParam & MK_XBUTTON5)
 556                                 temp |= 128;
 557                         if (wParam & MK_XBUTTON6)
 558                                 temp |= 256;
 559                         if (wParam & MK_XBUTTON7)
 560                                 temp |= 512;
 561
 562                         if (vid_usingmouse && !dinput_acquired)
 563                         {
 564                                 // perform button actions
 565                                 int i;
 566                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
 567                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 568                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
 569                                 mouse_oldbuttonstate = temp;
 570                         }
 571
 572                         break;
 573
 574                 // JACK: This is the mouse wheel with the Intellimouse
 575                 // Its delta is either positive or neg, and we generate the proper
 576                 // Event.
 577                 case WM_MOUSEWHEEL:
 578                         if ((short) HIWORD(wParam) > 0) {
 579                                 Key_Event(K_MWHEELUP, 0, true);
 580                                 Key_Event(K_MWHEELUP, 0, false);
 581                         } else {
 582                                 Key_Event(K_MWHEELDOWN, 0, true);
 583                                 Key_Event(K_MWHEELDOWN, 0, false);
 584                         }
 585                         break;
 586
 587                 case WM_SIZE:
 588                         break;
 589
 590                 case WM_CLOSE:
 591                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 592                                 Sys_Quit (0);
 593
 594                         break;
 595
 596                 case WM_ACTIVATE:
 597                         fActive = LOWORD(wParam);
 598                         fMinimized = (BOOL) HIWORD(wParam);
 599                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 600
 601                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 602                         ClearAllStates ();
 603
 604                         break;
 605
 606                 //case WM_DESTROY:
 607                 //      PostQuitMessage (0);
 608                 //      break;
 609
 610                 case MM_MCINOTIFY:
 611                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 612                         break;
 613
 614                 default:
 615                         /* pass all unhandled messages to DefWindowProc */
 616                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 617                 break;
 618         }
 619
 620         /* return 1 if handled message, 0 if not */
 621         return lRet;
 622 }
 623
 624 int VID_SetGamma(unsigned short *ramps, int rampsize)
 625 {
 626         HDC hdc = GetDC (NULL);
 627         int i = SetDeviceGammaRamp(hdc, ramps);
 628         ReleaseDC (NULL, hdc);
 629         return i; // return success or failure
 630 }
 631
 632 int VID_GetGamma(unsigned short *ramps, int rampsize)
 633 {
 634         HDC hdc = GetDC (NULL);
 635         int i = GetDeviceGammaRamp(hdc, ramps);
 636         ReleaseDC (NULL, hdc);
 637         return i; // return success or failure
 638 }
 639
 640 static HINSTANCE gldll;
 641
 642 static void GL_CloseLibrary(void)
 643 {
 644         FreeLibrary(gldll);
 645         gldll = 0;
 646         gl_driver[0] = 0;
 647         qwglGetProcAddress = NULL;
 648         gl_extensions = "";
 649         gl_platform = "";
 650         gl_platformextensions = "";
 651 }
 652
 653 static int GL_OpenLibrary(const char *name)
 654 {
 655         Con_Printf("Loading OpenGL driver %s\n", name);
 656         GL_CloseLibrary();
 657         if (!(gldll = LoadLibrary(name)))
 658         {
 659                 Con_Printf("Unable to LoadLibrary %s\n", name);
 660                 return false;
 661         }
 662         strlcpy(gl_driver, name, sizeof(gl_driver));
 663         return true;
 664 }
 665
 666 void *GL_GetProcAddress(const char *name)
 667 {
 668         void *p = NULL;
 669         if (qwglGetProcAddress != NULL)
 670                 p = (void *) qwglGetProcAddress(name);
 671         if (p == NULL)
 672                 p = (void *) GetProcAddress(gldll, name);
 673         return p;
 674 }
 675
 676 static void IN_Init(void);
 677 void VID_Init(void)
 678 {
 679         WNDCLASS wc;
 680
 681         InitCommonControls();
 682         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 683
 684         // Register the frame class
 685         wc.style         = 0;
 686         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 687         wc.cbClsExtra    = 0;
 688         wc.cbWndExtra    = 0;
 689         wc.hInstance     = global_hInstance;
 690         wc.hIcon         = hIcon;
 691         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 692         wc.hbrBackground = NULL;
 693         wc.lpszMenuName  = 0;
 694         wc.lpszClassName = "DarkPlacesWindowClass";
 695
 696         if (!RegisterClass (&wc))
 697                 Con_Printf ("Couldn't register window class\n");
 698
 699         IN_Init();
 700 }
 701
 702 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
 703 {
 704         int i;
 705         HDC hdc;
 706         RECT rect;
 707         MSG msg;
 708         PIXELFORMATDESCRIPTOR pfd =
 709         {
 710                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 711                 1,                              // version number
 712                 PFD_DRAW_TO_WINDOW              // support window
 713                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 714                 |  PFD_DOUBLEBUFFER ,   // double buffered
 715                 PFD_TYPE_RGBA,                  // RGBA type
 716                 24,                             // 24-bit color depth
 717                 0, 0, 0, 0, 0, 0,               // color bits ignored
 718                 0,                              // no alpha buffer
 719                 0,                              // shift bit ignored
 720                 0,                              // no accumulation buffer
 721                 0, 0, 0, 0,                     // accum bits ignored
 722                 32,                             // 32-bit z-buffer
 723                 0,                              // no stencil buffer
 724                 0,                              // no auxiliary buffer
 725                 PFD_MAIN_PLANE,                 // main layer
 726                 0,                              // reserved
 727                 0, 0, 0                         // layer masks ignored
 728         };
 729         int pixelformat;
 730         DWORD WindowStyle, ExWindowStyle;
 731         int CenterX, CenterY;
 732         const char *gldrivername;
 733         int depth;
 734
 735         if (vid_initialized)
 736                 Sys_Error("VID_InitMode called when video is already initialised");
 737
 738         // if stencil is enabled, ask for alpha too
 739         if (bpp >= 32)
 740         {
 741                 pfd.cStencilBits = 8;
 742                 pfd.cAlphaBits = 8;
 743         }
 744         else
 745         {
 746                 pfd.cStencilBits = 0;
 747                 pfd.cAlphaBits = 0;
 748         }
 749
 750         if (stereobuffer)
 751                 pfd.dwFlags |= PFD_STEREO;
 752
 753         gldrivername = "opengl32.dll";
 754 // 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
 755         i = COM_CheckParm("-gl_driver");
 756         if (i && i < com_argc - 1)
 757                 gldrivername = com_argv[i + 1];
 758         if (!GL_OpenLibrary(gldrivername))
 759         {
 760                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 761                 return false;
 762         }
 763
 764         memset(&gdevmode, 0, sizeof(gdevmode));
 765
 766         vid_isfullscreen = false;
 767         if (fullscreen)
 768         {
 769                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
 770                 gdevmode.dmBitsPerPel = bpp;
 771                 gdevmode.dmPelsWidth = width;
 772                 gdevmode.dmPelsHeight = height;
 773                 gdevmode.dmDisplayFrequency = refreshrate;
 774                 gdevmode.dmSize = sizeof (gdevmode);
 775                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 776                 {
 777                         VID_Shutdown();
 778                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 779                         return false;
 780                 }
 781
 782                 vid_isfullscreen = true;
 783                 WindowStyle = WS_POPUP;
 784                 ExWindowStyle = WS_EX_TOPMOST;
 785         }
 786         else
 787         {
 788                 hdc = GetDC (NULL);
 789                 i = GetDeviceCaps(hdc, RASTERCAPS);
 790                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 791                 ReleaseDC (NULL, hdc);
 792                 if (i & RC_PALETTE)
 793                 {
 794                         VID_Shutdown();
 795                         Con_Print("Can't run in non-RGB mode\n");
 796                         return false;
 797                 }
 798                 if (bpp > depth)
 799                 {
 800                         VID_Shutdown();
 801                         Con_Print("A higher desktop depth is required to run this video mode\n");
 802                         return false;
 803                 }
 804
 805                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 806                 ExWindowStyle = 0;
 807         }
 808
 809         rect.top = 0;
 810         rect.left = 0;
 811         rect.right = width;
 812         rect.bottom = height;
 813         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 814
 815         if (fullscreen)
 816         {
 817                 CenterX = 0;
 818                 CenterY = 0;
 819         }
 820         else
 821         {
 822                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 823                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 824         }
 825         CenterX = max(0, CenterX);
 826         CenterY = max(0, CenterY);
 827
 828         // x and y may be changed by WM_MOVE messages
 829         window_x = CenterX;
 830         window_y = CenterY;
 831         rect.left += CenterX;
 832         rect.right += CenterX;
 833         rect.top += CenterY;
 834         rect.bottom += CenterY;
 835
 836         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 837         if (!mainwindow)
 838         {
 839                 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);
 840                 VID_Shutdown();
 841                 return false;
 842         }
 843
 844         /*
 845         if (!fullscreen)
 846                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 847         */
 848
 849         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 850         UpdateWindow (mainwindow);
 851
 852         // now we try to make sure we get the focus on the mode switch, because
 853         // sometimes in some systems we don't.  We grab the foreground, then
 854         // finish setting up, pump all our messages, and sleep for a little while
 855         // to let messages finish bouncing around the system, then we put
 856         // ourselves at the top of the z order, then grab the foreground again,
 857         // Who knows if it helps, but it probably doesn't hurt
 858         SetForegroundWindow (mainwindow);
 859
 860         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 861         {
 862                 TranslateMessage (&msg);
 863                 DispatchMessage (&msg);
 864         }
 865
 866         Sleep (100);
 867
 868         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 869
 870         SetForegroundWindow (mainwindow);
 871
 872         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 873         ClearAllStates ();
 874
 875         baseDC = GetDC(mainwindow);
 876
 877         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 878         {
 879                 VID_Shutdown();
 880                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
 881                 return false;
 882         }
 883
 884         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 885         {
 886                 VID_Shutdown();
 887                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
 888                 return false;
 889         }
 890
 891         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 892         {
 893                 VID_Shutdown();
 894                 Con_Print("wgl functions not found\n");
 895                 return false;
 896         }
 897
 898         baseRC = qwglCreateContext(baseDC);
 899         if (!baseRC)
 900         {
 901                 VID_Shutdown();
 902                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 903                 return false;
 904         }
 905         if (!qwglMakeCurrent(baseDC, baseRC))
 906         {
 907                 VID_Shutdown();
 908                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
 909                 return false;
 910         }
 911
 912         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 913         {
 914                 VID_Shutdown();
 915                 Con_Print("glGetString not found\n");
 916                 return false;
 917         }
 918         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
 919                 Con_Print("wglGetExtensionsStringARB not found\n");
 920         gl_renderer = qglGetString(GL_RENDERER);
 921         gl_vendor = qglGetString(GL_VENDOR);
 922         gl_version = qglGetString(GL_VERSION);
 923         gl_extensions = qglGetString(GL_EXTENSIONS);
 924         gl_platform = "WGL";
 925         gl_platformextensions = "";
 926
 927         gl_videosyncavailable = false;
 928
 929         if (qwglGetExtensionsStringARB)
 930                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 931
 932 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 933         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 934         //ReleaseDC(mainwindow, hdc);
 935
 936         GL_Init ();
 937
 938         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 939         if (strncasecmp(gl_vendor,"ATI",3)==0)
 940         {
 941                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 942                         isRagePro = true;
 943         }
 944         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 945                 isG200 = true;
 946
 947         //vid_menudrawfn = VID_MenuDraw;
 948         //vid_menukeyfn = VID_MenuKey;
 949         vid_usingmouse = false;
 950         vid_usingvsync = false;
 951         vid_hidden = false;
 952         vid_initialized = true;
 953
 954         IN_StartupMouse ();
 955         IN_StartupJoystick ();
 956
 957         if (gl_videosyncavailable)
 958         {
 959                 vid_usevsync = vid_vsync.integer;
 960                 vid_usingvsync = vid_vsync.integer;
 961                 qwglSwapIntervalEXT (vid_usevsync);
 962         }
 963
 964         return true;
 965 }
 966
 967 static void IN_Shutdown(void);
 968 void VID_Shutdown (void)
 969 {
 970         if(vid_initialized == false)
 971                 return;
 972
 973         VID_RestoreSystemGamma();
 974
 975         vid_initialized = false;
 976         IN_Shutdown();
 977         if (qwglMakeCurrent)
 978                 qwglMakeCurrent(NULL, NULL);
 979         if (baseRC && qwglDeleteContext)
 980                 qwglDeleteContext(baseRC);
 981         // close the library before we get rid of the window
 982         GL_CloseLibrary();
 983         if (baseDC && mainwindow)
 984                 ReleaseDC(mainwindow, baseDC);
 985         AppActivate(false, false);
 986         if (mainwindow)
 987                 DestroyWindow(mainwindow);
 988         mainwindow = 0;
 989         if (vid_isfullscreen)
 990                 ChangeDisplaySettings (NULL, 0);
 991         vid_isfullscreen = false;
 992 }
 993
 994 static void IN_Activate (qboolean grab)
 995 {
 996         static qboolean restore_spi;
 997         static int originalmouseparms[3];
 998
 999         if (!mouseinitialized)
1000                 return;
1001
1002         if (grab)
1003         {
1004                 if (!vid_usingmouse)
1005                 {
1006                         vid_usingmouse = true;
1007                         cl_ignoremousemove = true;
1008                         if (dinput && g_pMouse)
1009                         {
1010                                 IDirectInputDevice_Acquire(g_pMouse);
1011                                 dinput_acquired = true;
1012                         }
1013                         else
1014                         {
1015                                 RECT window_rect;
1016                                 window_rect.left = window_x;
1017                                 window_rect.top = window_y;
1018                                 window_rect.right = window_x + vid.width;
1019                                 window_rect.bottom = window_y + vid.height;
1020
1021                                 // change mouse settings to turn off acceleration
1022 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1023                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1024                                 {
1025                                         int newmouseparms[3];
1026                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1027                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1028                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1029                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1030                                 }
1031                                 else
1032                                         restore_spi = false;
1033                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1034
1035                                 SetCapture (mainwindow);
1036                                 ClipCursor (&window_rect);
1037                         }
1038                         ShowCursor (false);
1039                 }
1040         }
1041         else
1042         {
1043                 if (vid_usingmouse)
1044                 {
1045                         vid_usingmouse = false;
1046                         cl_ignoremousemove = true;
1047                         if (dinput_acquired)
1048                         {
1049                                 IDirectInputDevice_Unacquire(g_pMouse);
1050                                 dinput_acquired = false;
1051                         }
1052                         else
1053                         {
1054                                 // restore system mouseparms if we changed them
1055                                 if (restore_spi)
1056                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1057                                 restore_spi = false;
1058                                 ClipCursor (NULL);
1059                                 ReleaseCapture ();
1060                         }
1061                         ShowCursor (true);
1062                 }
1063         }
1064 }
1065
1066
1067 /*
1068 ===========
1069 IN_InitDInput
1070 ===========
1071 */
1072 static qboolean IN_InitDInput (void)
1073 {
1074     HRESULT             hr;
1075         DIPROPDWORD     dipdw = {
1076                 {
1077                         sizeof(DIPROPDWORD),        // diph.dwSize
1078                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1079                         0,                          // diph.dwObj
1080                         DIPH_DEVICE,                // diph.dwHow
1081                 },
1082                 DINPUT_BUFFERSIZE,              // dwData
1083         };
1084
1085         if (!hInstDI)
1086         {
1087                 hInstDI = LoadLibrary("dinput.dll");
1088
1089                 if (hInstDI == NULL)
1090                 {
1091                         Con_Print("Couldn't load dinput.dll\n");
1092                         return false;
1093                 }
1094         }
1095
1096         if (!pDirectInputCreate)
1097         {
1098                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1099
1100                 if (!pDirectInputCreate)
1101                 {
1102                         Con_Print("Couldn't get DI proc addr\n");
1103                         return false;
1104                 }
1105         }
1106
1107 // register with DirectInput and get an IDirectInput to play with.
1108         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1109
1110         if (FAILED(hr))
1111         {
1112                 return false;
1113         }
1114
1115 // obtain an interface to the system mouse device.
1116         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1117
1118         if (FAILED(hr))
1119         {
1120                 Con_Print("Couldn't open DI mouse device\n");
1121                 return false;
1122         }
1123
1124 // set the data format to "mouse format".
1125         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1126
1127         if (FAILED(hr))
1128         {
1129                 Con_Print("Couldn't set DI mouse format\n");
1130                 return false;
1131         }
1132
1133 // set the cooperativity level.
1134         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1135                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1136
1137         if (FAILED(hr))
1138         {
1139                 Con_Print("Couldn't set DI coop level\n");
1140                 return false;
1141         }
1142
1143
1144 // set the buffer size to DINPUT_BUFFERSIZE elements.
1145 // the buffer size is a DWORD property associated with the device
1146         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1147
1148         if (FAILED(hr))
1149         {
1150                 Con_Print("Couldn't set DI buffersize\n");
1151                 return false;
1152         }
1153
1154         return true;
1155 }
1156
1157
1158 /*
1159 ===========
1160 IN_StartupMouse
1161 ===========
1162 */
1163 static void IN_StartupMouse (void)
1164 {
1165         if (COM_CheckParm ("-nomouse"))
1166                 return;
1167
1168         mouseinitialized = true;
1169
1170 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1171         if (COM_CheckParm ("-dinput"))
1172                 dinput = IN_InitDInput ();
1173
1174         if (dinput)
1175                 Con_Print("DirectInput initialized\n");
1176         else
1177                 Con_Print("DirectInput not initialized\n");
1178
1179         mouse_buttons = 10;
1180 }
1181
1182
1183 /*
1184 ===========
1185 IN_MouseMove
1186 ===========
1187 */
1188 static void IN_MouseMove (void)
1189 {
1190         int i, mx, my;
1191         POINT current_pos;
1192
1193         if (!vid_usingmouse)
1194         {
1195                 //GetCursorPos (&current_pos);
1196                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1197                 return;
1198         }
1199
1200         if (dinput_acquired)
1201         {
1202                 DIDEVICEOBJECTDATA      od;
1203                 DWORD                           dwElements;
1204                 HRESULT                         hr;
1205                 mx = 0;
1206                 my = 0;
1207
1208                 for (;;)
1209                 {
1210                         dwElements = 1;
1211
1212                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1213                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1214
1215                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1216                         {
1217                                 IDirectInputDevice_Acquire(g_pMouse);
1218                                 break;
1219                         }
1220
1221                         /* Unable to read data or no data available */
1222                         if (FAILED(hr) || dwElements == 0)
1223                                 break;
1224
1225                         /* Look at the element to see what happened */
1226
1227                         switch (od.dwOfs)
1228                         {
1229                                 case DIMOFS_X:
1230                                         mx += (LONG) od.dwData;
1231                                         break;
1232
1233                                 case DIMOFS_Y:
1234                                         my += (LONG) od.dwData;
1235                                         break;
1236
1237                                 case DIMOFS_Z:
1238                                         if((LONG) od.dwData < 0)
1239                                         {
1240                                                 Key_Event (K_MWHEELDOWN, 0, true);
1241                                                 Key_Event (K_MWHEELDOWN, 0, false);
1242                                         }
1243                                         else if((LONG) od.dwData > 0)
1244                                         {
1245                                                 Key_Event (K_MWHEELUP, 0, true);
1246                                                 Key_Event (K_MWHEELUP, 0, false);
1247                                         }
1248                                         break;
1249
1250                                 case DIMOFS_BUTTON0:
1251                                         if (od.dwData & 0x80)
1252                                                 mstate_di |= 1;
1253                                         else
1254                                                 mstate_di &= ~1;
1255                                         break;
1256
1257                                 case DIMOFS_BUTTON1:
1258                                         if (od.dwData & 0x80)
1259                                                 mstate_di |= (1<<1);
1260                                         else
1261                                                 mstate_di &= ~(1<<1);
1262                                         break;
1263
1264                                 case DIMOFS_BUTTON2:
1265                                         if (od.dwData & 0x80)
1266                                                 mstate_di |= (1<<2);
1267                                         else
1268                                                 mstate_di &= ~(1<<2);
1269                                         break;
1270
1271                                 case DIMOFS_BUTTON3:
1272                                         if (od.dwData & 0x80)
1273                                                 mstate_di |= (1<<3);
1274                                         else
1275                                                 mstate_di &= ~(1<<3);
1276                                         break;
1277                         }
1278                 }
1279
1280                 // perform button actions
1281                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1282                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1283                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1284                 mouse_oldbuttonstate = mstate_di;
1285
1286                 in_mouse_x = mx;
1287                 in_mouse_y = my;
1288         }
1289         else
1290         {
1291                 GetCursorPos (&current_pos);
1292                 mx = current_pos.x - (window_x + vid.width / 2);
1293                 my = current_pos.y - (window_y + vid.height / 2);
1294
1295                 in_mouse_x = mx;
1296                 in_mouse_y = my;
1297
1298                 // if the mouse has moved, force it to the center, so there's room to move
1299                 if (!cl.csqc_wantsmousemove)
1300                 if (mx || my)
1301                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1302         }
1303 }
1304
1305
1306 /*
1307 ===========
1308 IN_Move
1309 ===========
1310 */
1311 void IN_Move (void)
1312 {
1313         if (vid_activewindow && !vid_hidden)
1314         {
1315                 IN_MouseMove ();
1316                 IN_JoyMove ();
1317         }
1318 }
1319
1320
1321 /*
1322 ===============
1323 IN_StartupJoystick
1324 ===============
1325 */
1326 static void IN_StartupJoystick (void)
1327 {
1328         int                     numdevs;
1329         JOYCAPS         jc;
1330         MMRESULT        mmr;
1331         mmr = 0;
1332
1333         // assume no joystick
1334         joy_avail = false;
1335
1336         // abort startup if user requests no joystick
1337 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1338         if (COM_CheckParm ("-nojoy"))
1339                 return;
1340
1341         // verify joystick driver is present
1342         if ((numdevs = joyGetNumDevs ()) == 0)
1343         {
1344                 Con_Print("\njoystick not found -- driver not present\n\n");
1345                 return;
1346         }
1347
1348         // cycle through the joystick ids for the first valid one
1349         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1350         {
1351                 memset (&ji, 0, sizeof(ji));
1352                 ji.dwSize = sizeof(ji);
1353                 ji.dwFlags = JOY_RETURNCENTERED;
1354
1355                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1356                         break;
1357         }
1358
1359         // abort startup if we didn't find a valid joystick
1360         if (mmr != JOYERR_NOERROR)
1361         {
1362                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1363                 return;
1364         }
1365
1366         // get the capabilities of the selected joystick
1367         // abort startup if command fails
1368         memset (&jc, 0, sizeof(jc));
1369         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1370         {
1371                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1372                 return;
1373         }
1374
1375         // save the joystick's number of buttons and POV status
1376         joy_numbuttons = jc.wNumButtons;
1377         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1378
1379         // old button and POV states default to no buttons pressed
1380         joy_oldbuttonstate = joy_oldpovstate = 0;
1381
1382         // mark the joystick as available and advanced initialization not completed
1383         // this is needed as cvars are not available during initialization
1384
1385         joy_avail = true;
1386         joy_advancedinit = false;
1387
1388         Con_Print("\njoystick detected\n\n");
1389 }
1390
1391
1392 /*
1393 ===========
1394 RawValuePointer
1395 ===========
1396 */
1397 static PDWORD RawValuePointer (int axis)
1398 {
1399         switch (axis)
1400         {
1401         case JOY_AXIS_X:
1402                 return &ji.dwXpos;
1403         case JOY_AXIS_Y:
1404                 return &ji.dwYpos;
1405         case JOY_AXIS_Z:
1406                 return &ji.dwZpos;
1407         case JOY_AXIS_R:
1408                 return &ji.dwRpos;
1409         case JOY_AXIS_U:
1410                 return &ji.dwUpos;
1411         case JOY_AXIS_V:
1412                 return &ji.dwVpos;
1413         }
1414         return NULL; // LordHavoc: hush compiler warning
1415 }
1416
1417
1418 /*
1419 ===========
1420 Joy_AdvancedUpdate_f
1421 ===========
1422 */
1423 static void Joy_AdvancedUpdate_f (void)
1424 {
1425
1426         // called once by IN_ReadJoystick and by user whenever an update is needed
1427         // cvars are now available
1428         int     i;
1429         DWORD dwTemp;
1430
1431         // initialize all the maps
1432         for (i = 0; i < JOY_MAX_AXES; i++)
1433         {
1434                 dwAxisMap[i] = AxisNada;
1435                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1436                 pdwRawValue[i] = RawValuePointer(i);
1437         }
1438
1439         if( joy_advanced.integer == 0)
1440         {
1441                 // default joystick initialization
1442                 // 2 axes only with joystick control
1443                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1444                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1445                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1446                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1447         }
1448         else
1449         {
1450                 if (strcmp (joy_name.string, "joystick") != 0)
1451                 {
1452                         // notify user of advanced controller
1453                         Con_Printf("\n%s configured\n\n", joy_name.string);
1454                 }
1455
1456                 // advanced initialization here
1457                 // data supplied by user via joy_axisn cvars
1458                 dwTemp = (DWORD) joy_advaxisx.value;
1459                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1460                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1461                 dwTemp = (DWORD) joy_advaxisy.value;
1462                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1463                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1464                 dwTemp = (DWORD) joy_advaxisz.value;
1465                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1466                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1467                 dwTemp = (DWORD) joy_advaxisr.value;
1468                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1469                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1470                 dwTemp = (DWORD) joy_advaxisu.value;
1471                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1472                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1473                 dwTemp = (DWORD) joy_advaxisv.value;
1474                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1475                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1476         }
1477
1478         // compute the axes to collect from DirectInput
1479         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1480         for (i = 0; i < JOY_MAX_AXES; i++)
1481         {
1482                 if (dwAxisMap[i] != AxisNada)
1483                 {
1484                         joy_flags |= dwAxisFlags[i];
1485                 }
1486         }
1487 }
1488
1489 /*
1490 ===============
1491 IN_ReadJoystick
1492 ===============
1493 */
1494 static qboolean IN_ReadJoystick (void)
1495 {
1496
1497         memset (&ji, 0, sizeof(ji));
1498         ji.dwSize = sizeof(ji);
1499         ji.dwFlags = joy_flags;
1500
1501         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1502         {
1503                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1504                 // rather than having 32768 be the zero point, they have the zero point at 32668
1505                 // go figure -- anyway, now we get the full resolution out of the device
1506                 if (joy_wwhack1.integer != 0.0)
1507                 {
1508                         ji.dwUpos += 100;
1509                 }
1510                 return true;
1511         }
1512         else
1513         {
1514                 // read error occurred
1515                 // turning off the joystick seems too harsh for 1 read error,
1516                 // but what should be done?
1517                 return false;
1518         }
1519 }
1520
1521
1522 /*
1523 ===========
1524 IN_JoyMove
1525 ===========
1526 */
1527 static void IN_JoyMove (void)
1528 {
1529         float   speed, aspeed;
1530         float   fAxisValue, fTemp;
1531         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1532
1533         // complete initialization if first time in
1534         // this is needed as cvars are not available at initialization time
1535         if( joy_advancedinit != true )
1536         {
1537                 Joy_AdvancedUpdate_f();
1538                 joy_advancedinit = true;
1539         }
1540
1541         if (joy_avail)
1542         {
1543                 int             i, key_index;
1544                 DWORD   buttonstate, povstate;
1545
1546                 // loop through the joystick buttons
1547                 // key a joystick event or auxillary event for higher number buttons for each state change
1548                 buttonstate = ji.dwButtons;
1549                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1550                 {
1551                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1552                         {
1553                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1554                                 Key_Event (key_index + i, 0, true);
1555                         }
1556
1557                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1558                         {
1559                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1560                                 Key_Event (key_index + i, 0, false);
1561                         }
1562                 }
1563                 joy_oldbuttonstate = buttonstate;
1564
1565                 if (joy_haspov)
1566                 {
1567                         // convert POV information into 4 bits of state information
1568                         // this avoids any potential problems related to moving from one
1569                         // direction to another without going through the center position
1570                         povstate = 0;
1571                         if(ji.dwPOV != JOY_POVCENTERED)
1572                         {
1573                                 if (ji.dwPOV == JOY_POVFORWARD)
1574                                         povstate |= 0x01;
1575                                 if (ji.dwPOV == JOY_POVRIGHT)
1576                                         povstate |= 0x02;
1577                                 if (ji.dwPOV == JOY_POVBACKWARD)
1578                                         povstate |= 0x04;
1579                                 if (ji.dwPOV == JOY_POVLEFT)
1580                                         povstate |= 0x08;
1581                         }
1582                         // determine which bits have changed and key an auxillary event for each change
1583                         for (i=0 ; i < 4 ; i++)
1584                         {
1585                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1586                                 {
1587                                         Key_Event (K_AUX29 + i, 0, true);
1588                                 }
1589
1590                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1591                                 {
1592                                         Key_Event (K_AUX29 + i, 0, false);
1593                                 }
1594                         }
1595                         joy_oldpovstate = povstate;
1596                 }
1597         }
1598
1599         // verify joystick is available and that the user wants to use it
1600         if (!joy_avail || !in_joystick.integer)
1601         {
1602                 return;
1603         }
1604
1605         // collect the joystick data, if possible
1606         if (IN_ReadJoystick () != true)
1607         {
1608                 return;
1609         }
1610
1611         if (in_speed.state & 1)
1612                 speed = cl_movespeedkey.value;
1613         else
1614                 speed = 1;
1615         // LordHavoc: viewzoom affects sensitivity for sniping
1616         aspeed = speed * cl.realframetime * cl.viewzoom;
1617
1618         // loop through the axes
1619         for (i = 0; i < JOY_MAX_AXES; i++)
1620         {
1621                 // get the floating point zero-centered, potentially-inverted data for the current axis
1622                 fAxisValue = (float) *pdwRawValue[i];
1623                 // move centerpoint to zero
1624                 fAxisValue -= 32768.0;
1625
1626                 if (joy_wwhack2.integer != 0.0)
1627                 {
1628                         if (dwAxisMap[i] == AxisTurn)
1629                         {
1630                                 // this is a special formula for the Logitech WingMan Warrior
1631                                 // y=ax^b; where a = 300 and b = 1.3
1632                                 // also x values are in increments of 800 (so this is factored out)
1633                                 // then bounds check result to level out excessively high spin rates
1634                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1635                                 if (fTemp > 14000.0)
1636                                         fTemp = 14000.0;
1637                                 // restore direction information
1638                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1639                         }
1640                 }
1641
1642                 // convert range from -32768..32767 to -1..1
1643                 fAxisValue /= 32768.0;
1644
1645                 switch (dwAxisMap[i])
1646                 {
1647                 case AxisForward:
1648                         if ((joy_advanced.integer == 0) && mouselook)
1649                         {
1650                                 // user wants forward control to become look control
1651                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1652                                 {
1653                                         // if mouse invert is on, invert the joystick pitch value
1654                                         // only absolute control support here (joy_advanced is false)
1655                                         if (m_pitch.value < 0.0)
1656                                         {
1657                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1658                                         }
1659                                         else
1660                                         {
1661                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1662                                         }
1663                                         V_StopPitchDrift();
1664                                 }
1665                                 else
1666                                 {
1667                                         // no pitch movement
1668                                         // disable pitch return-to-center unless requested by user
1669                                         // *** this code can be removed when the lookspring bug is fixed
1670                                         // *** the bug always has the lookspring feature on
1671                                         if(lookspring.value == 0.0)
1672                                                 V_StopPitchDrift();
1673                                 }
1674                         }
1675                         else
1676                         {
1677                                 // user wants forward control to be forward control
1678                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1679                                 {
1680                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1681                                 }
1682                         }
1683                         break;
1684
1685                 case AxisSide:
1686                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1687                         {
1688                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1689                         }
1690                         break;
1691
1692                 case AxisTurn:
1693                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1694                         {
1695                                 // user wants turn control to become side control
1696                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1697                                 {
1698                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1699                                 }
1700                         }
1701                         else
1702                         {
1703                                 // user wants turn control to be turn control
1704                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1705                                 {
1706                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1707                                         {
1708                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1709                                         }
1710                                         else
1711                                         {
1712                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1713                                         }
1714
1715                                 }
1716                         }
1717                         break;
1718
1719                 case AxisLook:
1720                         if (mouselook)
1721                         {
1722                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1723                                 {
1724                                         // pitch movement detected and pitch movement desired by user
1725                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1726                                         {
1727                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1728                                         }
1729                                         else
1730                                         {
1731                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1732                                         }
1733                                         V_StopPitchDrift();
1734                                 }
1735                                 else
1736                                 {
1737                                         // no pitch movement
1738                                         // disable pitch return-to-center unless requested by user
1739                                         // *** this code can be removed when the lookspring bug is fixed
1740                                         // *** the bug always has the lookspring feature on
1741                                         if(lookspring.integer == 0)
1742                                                 V_StopPitchDrift();
1743                                 }
1744                         }
1745                         break;
1746
1747                 default:
1748                         break;
1749                 }
1750         }
1751 }
1752
1753 static void IN_Init(void)
1754 {
1755         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1756
1757         // joystick variables
1758         Cvar_RegisterVariable (&in_joystick);
1759         Cvar_RegisterVariable (&joy_name);
1760         Cvar_RegisterVariable (&joy_advanced);
1761         Cvar_RegisterVariable (&joy_advaxisx);
1762         Cvar_RegisterVariable (&joy_advaxisy);
1763         Cvar_RegisterVariable (&joy_advaxisz);
1764         Cvar_RegisterVariable (&joy_advaxisr);
1765         Cvar_RegisterVariable (&joy_advaxisu);
1766         Cvar_RegisterVariable (&joy_advaxisv);
1767         Cvar_RegisterVariable (&joy_forwardthreshold);
1768         Cvar_RegisterVariable (&joy_sidethreshold);
1769         Cvar_RegisterVariable (&joy_pitchthreshold);
1770         Cvar_RegisterVariable (&joy_yawthreshold);
1771         Cvar_RegisterVariable (&joy_forwardsensitivity);
1772         Cvar_RegisterVariable (&joy_sidesensitivity);
1773         Cvar_RegisterVariable (&joy_pitchsensitivity);
1774         Cvar_RegisterVariable (&joy_yawsensitivity);
1775         Cvar_RegisterVariable (&joy_wwhack1);
1776         Cvar_RegisterVariable (&joy_wwhack2);
1777         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1778 }
1779
1780 static void IN_Shutdown(void)
1781 {
1782         IN_Activate (false);
1783
1784         if (g_pMouse)
1785                 IDirectInputDevice_Release(g_pMouse);
1786         g_pMouse = NULL;
1787
1788         if (g_pdi)
1789                 IDirectInput_Release(g_pdi);
1790         g_pdi = NULL;
1791 }