vid_wgl.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // gl_vidnt.c -- NT GL vid component
  21
  22 #include "quakedef.h"
  23 #include <windows.h>
  24 #include <dsound.h>
  25 #include "resource.h"
  26 #include <commctrl.h>
  27
  28 extern void S_BlockSound (void);
  29 extern void S_UnblockSound (void);
  30 extern HINSTANCE global_hInstance;
  31
  32
  33 #ifndef WM_MOUSEWHEEL
  34 #define WM_MOUSEWHEEL                   0x020A
  35 #endif
  36
  37 // Tell startup code that we have a client
  38 int cl_available = true;
  39
  40 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  41 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  42 //int (WINAPI *qwglGetPixelFormat)(HDC);
  43 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  44 BOOL (WINAPI *qwglSwapBuffers)(HDC);
  45 HGLRC (WINAPI *qwglCreateContext)(HDC);
  46 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  47 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  48 HDC (WINAPI *qwglGetCurrentDC)(VOID);
  49 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  50 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  51 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  52 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  53
  54 static dllfunction_t wglfuncs[] =
  55 {
  56         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  57         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  58 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  59         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  60         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  61         {"wglCreateContext", (void **) &qwglCreateContext},
  62         {"wglDeleteContext", (void **) &qwglDeleteContext},
  63         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  64         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  65         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  66         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  67         {NULL, NULL}
  68 };
  69
  70 static dllfunction_t wglswapintervalfuncs[] =
  71 {
  72         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  73         {NULL, NULL}
  74 };
  75
  76 qboolean scr_skipupdate;
  77
  78 static DEVMODE gdevmode;
  79 static qboolean vid_initialized = false;
  80 static qboolean vid_wassuspended = false;
  81 static int vid_usingmouse;
  82 extern qboolean mouseactive;  // from in_win.c
  83 static HICON hIcon;
  84
  85 HWND mainwindow;
  86
  87 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  88
  89 static int vid_isfullscreen;
  90
  91 //void VID_MenuDraw (void);
  92 //void VID_MenuKey (int key);
  93
  94 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  95 //void AppActivate(BOOL fActive, BOOL minimize);
  96 //void ClearAllStates (void);
  97 //void VID_UpdateWindowStatus (void);
  98
  99 //====================================
 100
 101 int window_x, window_y, window_width, window_height;
 102 int window_center_x, window_center_y;
 103
 104 void IN_ShowMouse (void);
 105 void IN_DeactivateMouse (void);
 106 void IN_HideMouse (void);
 107 void IN_ActivateMouse (void);
 108 void IN_MouseEvent (int mstate);
 109 void IN_UpdateClipCursor (void);
 110
 111 qboolean mouseinitialized;
 112 static qboolean dinput;
 113
 114 // input code
 115
 116 #include <dinput.h>
 117
 118 #define DINPUT_BUFFERSIZE           16
 119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 120
 121 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
 122         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 123
 124 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 125 /* backslash :: imouse explorer buttons */
 126 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 127    MS's platform SDK, but we need them for compilation. . . */
 128 #ifndef WM_XBUTTONDOWN
 129    #define WM_XBUTTONDOWN      0x020B
 130    #define WM_XBUTTONUP      0x020C
 131 #endif
 132 #ifndef MK_XBUTTON1
 133    #define MK_XBUTTON1         0x0020
 134    #define MK_XBUTTON2         0x0040
 135 // LordHavoc: lets hope this allows more buttons in the future...
 136    #define MK_XBUTTON3         0x0080
 137    #define MK_XBUTTON4         0x0100
 138    #define MK_XBUTTON5         0x0200
 139    #define MK_XBUTTON6         0x0400
 140    #define MK_XBUTTON7         0x0800
 141 #endif
 142 /* :: backslash */
 143
 144 // mouse variables
 145 int                     mouse_buttons;
 146 int                     mouse_oldbuttonstate;
 147 POINT           current_pos;
 148 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
 149
 150 static qboolean restore_spi;
 151 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
 152
 153 unsigned int uiWheelMessage;
 154 qboolean        mouseactive;
 155 //qboolean              mouseinitialized;
 156 static qboolean mouseparmsvalid, mouseactivatetoggle;
 157 static qboolean mouseshowtoggle = 1;
 158 static qboolean dinput_acquired;
 159
 160 static unsigned int             mstate_di;
 161
 162 // joystick defines and variables
 163 // where should defines be moved?
 164 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 165 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 166 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 167 #define JOY_AXIS_X                      0
 168 #define JOY_AXIS_Y                      1
 169 #define JOY_AXIS_Z                      2
 170 #define JOY_AXIS_R                      3
 171 #define JOY_AXIS_U                      4
 172 #define JOY_AXIS_V                      5
 173
 174 enum _ControlList
 175 {
 176         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 177 };
 178
 179 DWORD   dwAxisFlags[JOY_MAX_AXES] =
 180 {
 181         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 182 };
 183
 184 DWORD   dwAxisMap[JOY_MAX_AXES];
 185 DWORD   dwControlMap[JOY_MAX_AXES];
 186 PDWORD  pdwRawValue[JOY_MAX_AXES];
 187
 188 // none of these cvars are saved over a session
 189 // this means that advanced controller configuration needs to be executed
 190 // each time.  this avoids any problems with getting back to a default usage
 191 // or when changing from one controller to another.  this way at least something
 192 // works.
 193 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
 194 cvar_t  joy_name = {0, "joyname", "joystick"};
 195 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
 196 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
 197 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
 198 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
 199 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
 200 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
 201 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
 202 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
 203 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
 204 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
 205 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
 206 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 207 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 208 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 209 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 210 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
 211 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
 212
 213 qboolean        joy_avail, joy_advancedinit, joy_haspov;
 214 DWORD           joy_oldbuttonstate, joy_oldpovstate;
 215
 216 int                     joy_id;
 217 DWORD           joy_flags;
 218 DWORD           joy_numbuttons;
 219
 220 static LPDIRECTINPUT            g_pdi;
 221 static LPDIRECTINPUTDEVICE      g_pMouse;
 222
 223 static JOYINFOEX        ji;
 224
 225 static HINSTANCE hInstDI;
 226
 227 //static qboolean       dinput;
 228
 229 typedef struct MYDATA {
 230         LONG  lX;                   // X axis goes here
 231         LONG  lY;                   // Y axis goes here
 232         LONG  lZ;                   // Z axis goes here
 233         BYTE  bButtonA;             // One button goes here
 234         BYTE  bButtonB;             // Another button goes here
 235         BYTE  bButtonC;             // Another button goes here
 236         BYTE  bButtonD;             // Another button goes here
 237 } MYDATA;
 238
 239 static DIOBJECTDATAFORMAT rgodf[] = {
 240   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 241   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 242   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 243   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 244   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 245   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 246   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 247 };
 248
 249 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 250
 251 static DIDATAFORMAT     df = {
 252         sizeof(DIDATAFORMAT),       // this structure
 253         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 254         DIDF_RELAXIS,               // absolute axis coordinates
 255         sizeof(MYDATA),             // device data size
 256         NUM_OBJECTS,                // number of objects
 257         rgodf,                      // and here they are
 258 };
 259
 260 // forward-referenced functions
 261 void IN_StartupJoystick (void);
 262 void Joy_AdvancedUpdate_f (void);
 263 void IN_JoyMove (usercmd_t *cmd);
 264 void IN_StartupMouse (void);
 265
 266 /*
 267 ================
 268 VID_UpdateWindowStatus
 269 ================
 270 */
 271 void VID_UpdateWindowStatus (void)
 272 {
 273         window_center_x = window_x + window_width / 2;
 274         window_center_y = window_y + window_height / 2;
 275
 276         if (mouseinitialized && mouseactive && !dinput)
 277         {
 278                 RECT window_rect;
 279                 window_rect.left = window_x;
 280                 window_rect.top = window_y;
 281                 window_rect.right = window_x + window_width;
 282                 window_rect.bottom = window_y + window_height;
 283                 ClipCursor (&window_rect);
 284         }
 285 }
 286
 287
 288 //====================================
 289
 290 /*
 291 =================
 292 VID_GetWindowSize
 293 =================
 294 */
 295 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 296 {
 297         *x = 0;
 298         *y = 0;
 299         *width = window_width;
 300         *height = window_height;
 301 }
 302
 303
 304 void VID_Finish (void)
 305 {
 306         HDC hdc;
 307         int vid_usemouse;
 308         if (r_render.integer && !scr_skipupdate)
 309         {
 310                 qglFinish();
 311                 hdc = GetDC(mainwindow);
 312                 SwapBuffers(hdc);
 313                 ReleaseDC(mainwindow, hdc);
 314         }
 315
 316 // handle the mouse state when windowed if that's changed
 317         vid_usemouse = false;
 318         if (vid_mouse.integer && !key_consoleactive)
 319                 vid_usemouse = true;
 320         if (vid_isfullscreen)
 321                 vid_usemouse = true;
 322         if (!vid_activewindow)
 323                 vid_usemouse = false;
 324         if (vid_usemouse)
 325         {
 326                 if (!vid_usingmouse)
 327                 {
 328                         vid_usingmouse = true;
 329                         IN_ActivateMouse ();
 330                         IN_HideMouse();
 331                 }
 332         }
 333         else
 334         {
 335                 if (vid_usingmouse)
 336                 {
 337                         vid_usingmouse = false;
 338                         IN_DeactivateMouse ();
 339                         IN_ShowMouse();
 340                 }
 341         }
 342 }
 343
 344 //==========================================================================
 345
 346
 347
 348
 349 qbyte scantokey[128] =
 350 {
 351 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 352         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 353         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 354         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 355         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 356         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
 357         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 358         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 359         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 360 };
 361
 362
 363 /*
 364 =======
 365 MapKey
 366
 367 Map from windows to quake keynums
 368 =======
 369 */
 370 int MapKey (int key, int virtualkey)
 371 {
 372         int result;
 373         int modified = (key >> 16) & 255;
 374         qboolean is_extended = false;
 375
 376         if (modified < 128 && scantokey[modified])
 377                 result = scantokey[modified];
 378         else
 379         {
 380                 result = 0;
 381                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 382         }
 383
 384         if (key & (1 << 24))
 385                 is_extended = true;
 386
 387         if ( !is_extended )
 388         {
 389                 switch ( result )
 390                 {
 391                 case K_HOME:
 392                         return K_KP_HOME;
 393                 case K_UPARROW:
 394                         return K_KP_UPARROW;
 395                 case K_PGUP:
 396                         return K_KP_PGUP;
 397                 case K_LEFTARROW:
 398                         return K_KP_LEFTARROW;
 399                 case K_RIGHTARROW:
 400                         return K_KP_RIGHTARROW;
 401                 case K_END:
 402                         return K_KP_END;
 403                 case K_DOWNARROW:
 404                         return K_KP_DOWNARROW;
 405                 case K_PGDN:
 406                         return K_KP_PGDN;
 407                 case K_INS:
 408                         return K_KP_INS;
 409                 case K_DEL:
 410                         return K_KP_DEL;
 411                 default:
 412                         return result;
 413                 }
 414         }
 415         else
 416         {
 417                 switch ( result )
 418                 {
 419                 case 0x0D:
 420                         return K_KP_ENTER;
 421                 case 0x2F:
 422                         return K_KP_SLASH;
 423                 case 0xAF:
 424                         return K_KP_PLUS;
 425                 }
 426                 return result;
 427         }
 428 }
 429
 430 /*
 431 ===================================================================
 432
 433 MAIN WINDOW
 434
 435 ===================================================================
 436 */
 437
 438 /*
 439 ================
 440 ClearAllStates
 441 ================
 442 */
 443 void ClearAllStates (void)
 444 {
 445         Key_ClearStates ();
 446         IN_ClearStates ();
 447 }
 448
 449 extern qboolean host_loopactive;
 450
 451 void AppActivate(BOOL fActive, BOOL minimize)
 452 /****************************************************************************
 453 *
 454 * Function:     AppActivate
 455 * Parameters:   fActive - True if app is activating
 456 *
 457 * Description:  If the application is activating, then swap the system
 458 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 459 *               correctly.
 460 *
 461 ****************************************************************************/
 462 {
 463         static BOOL     sound_active;
 464
 465         vid_activewindow = fActive;
 466         vid_hidden = minimize;
 467
 468 // enable/disable sound on focus gain/loss
 469         if (!vid_activewindow && sound_active)
 470         {
 471                 S_BlockSound ();
 472                 sound_active = false;
 473         }
 474         else if (vid_activewindow && !sound_active)
 475         {
 476                 S_UnblockSound ();
 477                 sound_active = true;
 478         }
 479
 480         if (fActive)
 481         {
 482                 if (vid_isfullscreen)
 483                 {
 484                         if (vid_wassuspended)
 485                         {
 486                                 vid_wassuspended = false;
 487                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 488                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 489                         }
 490
 491                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 492                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 493                 }
 494         }
 495
 496         if (!fActive)
 497         {
 498                 vid_usingmouse = false;
 499                 IN_DeactivateMouse ();
 500                 IN_ShowMouse ();
 501                 if (vid_isfullscreen)
 502                 {
 503                         ChangeDisplaySettings (NULL, 0);
 504                         vid_wassuspended = true;
 505                 }
 506                 VID_RestoreSystemGamma();
 507         }
 508 }
 509
 510 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 511
 512 /* main window procedure */
 513 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 514 {
 515         LONG    lRet = 1;
 516         int             fActive, fMinimized, temp;
 517         char    state[256];
 518         char    asciichar[4];
 519         int             vkey;
 520         qboolean down = false;
 521
 522         extern unsigned int uiWheelMessage;
 523
 524         if ( uMsg == uiWheelMessage )
 525                 uMsg = WM_MOUSEWHEEL;
 526
 527         switch (uMsg)
 528         {
 529                 case WM_KILLFOCUS:
 530                         if (vid_isfullscreen)
 531                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 532                         break;
 533
 534                 case WM_CREATE:
 535                         break;
 536
 537                 case WM_MOVE:
 538                         window_x = (int) LOWORD(lParam);
 539                         window_y = (int) HIWORD(lParam);
 540                         VID_UpdateWindowStatus ();
 541                         break;
 542
 543                 case WM_KEYDOWN:
 544                 case WM_SYSKEYDOWN:
 545                         down = true;
 546                 case WM_KEYUP:
 547                 case WM_SYSKEYUP:
 548                         vkey = MapKey(lParam, wParam);
 549                         GetKeyboardState (state);
 550                         // alt/ctrl/shift tend to produce funky ToAscii values,
 551                         // and if it's not a single character we don't know care about it
 552                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
 553                                 asciichar[0] = 0;
 554                         Key_Event (vkey, asciichar[0], down);
 555                         break;
 556
 557                 case WM_SYSCHAR:
 558                 // keep Alt-Space from happening
 559                         break;
 560
 561         // this is complicated because Win32 seems to pack multiple mouse events into
 562         // one update sometimes, so we always check all states and look for events
 563                 case WM_LBUTTONDOWN:
 564                 case WM_LBUTTONUP:
 565                 case WM_RBUTTONDOWN:
 566                 case WM_RBUTTONUP:
 567                 case WM_MBUTTONDOWN:
 568                 case WM_MBUTTONUP:
 569                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 570                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 571                 case WM_MOUSEMOVE:
 572                         temp = 0;
 573
 574                         if (wParam & MK_LBUTTON)
 575                                 temp |= 1;
 576
 577                         if (wParam & MK_RBUTTON)
 578                                 temp |= 2;
 579
 580                         if (wParam & MK_MBUTTON)
 581                                 temp |= 4;
 582
 583                         /* backslash :: imouse explorer buttons */
 584                         if (wParam & MK_XBUTTON1)
 585                                 temp |= 8;
 586
 587                         if (wParam & MK_XBUTTON2)
 588                                 temp |= 16;
 589                         /* :: backslash */
 590
 591                         // LordHavoc: lets hope this allows more buttons in the future...
 592                         if (wParam & MK_XBUTTON3)
 593                                 temp |= 32;
 594                         if (wParam & MK_XBUTTON4)
 595                                 temp |= 64;
 596                         if (wParam & MK_XBUTTON5)
 597                                 temp |= 128;
 598                         if (wParam & MK_XBUTTON6)
 599                                 temp |= 256;
 600                         if (wParam & MK_XBUTTON7)
 601                                 temp |= 512;
 602
 603                         IN_MouseEvent (temp);
 604
 605                         break;
 606
 607                 // JACK: This is the mouse wheel with the Intellimouse
 608                 // Its delta is either positive or neg, and we generate the proper
 609                 // Event.
 610                 case WM_MOUSEWHEEL:
 611                         if ((short) HIWORD(wParam) > 0) {
 612                                 Key_Event(K_MWHEELUP, 0, true);
 613                                 Key_Event(K_MWHEELUP, 0, false);
 614                         } else {
 615                                 Key_Event(K_MWHEELDOWN, 0, true);
 616                                 Key_Event(K_MWHEELDOWN, 0, false);
 617                         }
 618                         break;
 619
 620                 case WM_SIZE:
 621                         break;
 622
 623                 case WM_CLOSE:
 624                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 625                                 Sys_Quit ();
 626
 627                         break;
 628
 629                 case WM_ACTIVATE:
 630                         fActive = LOWORD(wParam);
 631                         fMinimized = (BOOL) HIWORD(wParam);
 632                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 633
 634                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 635                         ClearAllStates ();
 636
 637                         break;
 638
 639                 //case WM_DESTROY:
 640                 //      PostQuitMessage (0);
 641                 //      break;
 642
 643                 case MM_MCINOTIFY:
 644                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 645                         break;
 646
 647                 default:
 648                         /* pass all unhandled messages to DefWindowProc */
 649                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 650                 break;
 651         }
 652
 653         /* return 1 if handled message, 0 if not */
 654         return lRet;
 655 }
 656
 657 int VID_SetGamma(unsigned short *ramps)
 658 {
 659         HDC hdc = GetDC (NULL);
 660         int i = SetDeviceGammaRamp(hdc, ramps);
 661         ReleaseDC (NULL, hdc);
 662         return i; // return success or failure
 663 }
 664
 665 int VID_GetGamma(unsigned short *ramps)
 666 {
 667         HDC hdc = GetDC (NULL);
 668         int i = GetDeviceGammaRamp(hdc, ramps);
 669         ReleaseDC (NULL, hdc);
 670         return i; // return success or failure
 671 }
 672
 673 static HINSTANCE gldll;
 674
 675 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         strcpy(gl_driver, name);
 685         return true;
 686 }
 687
 688 void GL_CloseLibrary(void)
 689 {
 690         FreeLibrary(gldll);
 691         gldll = 0;
 692         gl_driver[0] = 0;
 693         qwglGetProcAddress = NULL;
 694         gl_extensions = "";
 695         gl_platform = "";
 696         gl_platformextensions = "";
 697 }
 698
 699 void *GL_GetProcAddress(const char *name)
 700 {
 701         void *p = NULL;
 702         if (qwglGetProcAddress != NULL)
 703                 p = (void *) qwglGetProcAddress(name);
 704         if (p == NULL)
 705                 p = (void *) GetProcAddress(gldll, name);
 706         return p;
 707 }
 708
 709 static void IN_Init(void);
 710 void VID_Init(void)
 711 {
 712         WNDCLASS wc;
 713
 714         InitCommonControls();
 715         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 716
 717         // Register the frame class
 718         wc.style         = 0;
 719         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 720         wc.cbClsExtra    = 0;
 721         wc.cbWndExtra    = 0;
 722         wc.hInstance     = global_hInstance;
 723         wc.hIcon         = 0;
 724         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 725         wc.hbrBackground = NULL;
 726         wc.lpszMenuName  = 0;
 727         wc.lpszClassName = "DarkPlacesWindowClass";
 728
 729         if (!RegisterClass (&wc))
 730                 Sys_Error("Couldn't register window class\n");
 731
 732         IN_Init();
 733 }
 734
 735 int VID_InitMode (int fullscreen, int width, int height, int bpp)
 736 {
 737         int i;
 738         HDC hdc;
 739         RECT rect;
 740         MSG msg;
 741         PIXELFORMATDESCRIPTOR pfd =
 742         {
 743                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 744                 1,                              // version number
 745                 PFD_DRAW_TO_WINDOW              // support window
 746                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 747                 |  PFD_DOUBLEBUFFER ,   // double buffered
 748                 PFD_TYPE_RGBA,                  // RGBA type
 749                 24,                             // 24-bit color depth
 750                 0, 0, 0, 0, 0, 0,               // color bits ignored
 751                 0,                              // no alpha buffer
 752                 0,                              // shift bit ignored
 753                 0,                              // no accumulation buffer
 754                 0, 0, 0, 0,                     // accum bits ignored
 755                 32,                             // 32-bit z-buffer
 756                 0,                              // no stencil buffer
 757                 0,                              // no auxiliary buffer
 758                 PFD_MAIN_PLANE,                 // main layer
 759                 0,                              // reserved
 760                 0, 0, 0                         // layer masks ignored
 761         };
 762         int pixelformat;
 763         DWORD WindowStyle, ExWindowStyle;
 764         HGLRC baseRC;
 765         int CenterX, CenterY;
 766         const char *gldrivername;
 767         int depth;
 768
 769         if (vid_initialized)
 770                 Sys_Error("VID_InitMode called when video is already initialised\n");
 771
 772         // if stencil is enabled, ask for alpha too
 773         if (bpp >= 32)
 774         {
 775                 pfd.cStencilBits = 8;
 776                 pfd.cAlphaBits = 8;
 777         }
 778         else
 779         {
 780                 pfd.cStencilBits = 0;
 781                 pfd.cAlphaBits = 0;
 782         }
 783
 784         gldrivername = "opengl32.dll";
 785         i = COM_CheckParm("-gl_driver");
 786         if (i && i < com_argc - 1)
 787                 gldrivername = com_argv[i + 1];
 788         if (!GL_OpenLibrary(gldrivername))
 789         {
 790                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 791                 return false;
 792         }
 793
 794         memset(&gdevmode, 0, sizeof(gdevmode));
 795
 796         vid_isfullscreen = false;
 797         if (fullscreen)
 798         {
 799                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 800                 gdevmode.dmBitsPerPel = bpp;
 801                 gdevmode.dmPelsWidth = width;
 802                 gdevmode.dmPelsHeight = height;
 803                 gdevmode.dmSize = sizeof (gdevmode);
 804                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 805                 {
 806                         VID_Shutdown();
 807                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 808                         return false;
 809                 }
 810
 811                 vid_isfullscreen = true;
 812                 WindowStyle = WS_POPUP;
 813                 ExWindowStyle = WS_EX_TOPMOST;
 814         }
 815         else
 816         {
 817                 hdc = GetDC (NULL);
 818                 i = GetDeviceCaps(hdc, RASTERCAPS);
 819                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 820                 ReleaseDC (NULL, hdc);
 821                 if (i & RC_PALETTE)
 822                 {
 823                         VID_Shutdown();
 824                         Con_Printf ("Can't run in non-RGB mode\n");
 825                         return false;
 826                 }
 827                 if (bpp > depth)
 828                 {
 829                         VID_Shutdown();
 830                         Con_Printf ("A higher desktop depth is required to run this video mode\n");
 831                         return false;
 832                 }
 833
 834                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 835                 ExWindowStyle = 0;
 836         }
 837
 838         rect.top = 0;
 839         rect.left = 0;
 840         rect.right = width;
 841         rect.bottom = height;
 842         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 843
 844         if (fullscreen)
 845         {
 846                 CenterX = 0;
 847                 CenterY = 0;
 848         }
 849         else
 850         {
 851                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 852                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 853         }
 854         CenterX = max(0, CenterX);
 855         CenterY = max(0, CenterY);
 856
 857         // x and y may be changed by WM_MOVE messages
 858         window_x = CenterX;
 859         window_y = CenterY;
 860         window_width = width;
 861         window_height = height;
 862         rect.left += CenterX;
 863         rect.right += CenterX;
 864         rect.top += CenterY;
 865         rect.bottom += CenterY;
 866
 867         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 868         if (!mainwindow)
 869         {
 870                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 871                 VID_Shutdown();
 872                 return false;
 873         }
 874
 875         /*
 876         if (!fullscreen)
 877                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 878         */
 879
 880         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 881         UpdateWindow (mainwindow);
 882
 883         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
 884         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
 885
 886         VID_UpdateWindowStatus ();
 887
 888         // now we try to make sure we get the focus on the mode switch, because
 889         // sometimes in some systems we don't.  We grab the foreground, then
 890         // finish setting up, pump all our messages, and sleep for a little while
 891         // to let messages finish bouncing around the system, then we put
 892         // ourselves at the top of the z order, then grab the foreground again,
 893         // Who knows if it helps, but it probably doesn't hurt
 894         SetForegroundWindow (mainwindow);
 895
 896         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 897         {
 898                 TranslateMessage (&msg);
 899                 DispatchMessage (&msg);
 900         }
 901
 902         Sleep (100);
 903
 904         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 905
 906         SetForegroundWindow (mainwindow);
 907
 908         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 909         ClearAllStates ();
 910
 911         hdc = GetDC(mainwindow);
 912
 913         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
 914         {
 915                 VID_Shutdown();
 916                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
 917                 return false;
 918         }
 919
 920         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
 921         {
 922                 VID_Shutdown();
 923                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
 924                 return false;
 925         }
 926
 927         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 928         {
 929                 VID_Shutdown();
 930                 Con_Printf("wgl functions not found\n");
 931                 return false;
 932         }
 933
 934         baseRC = qwglCreateContext(hdc);
 935         if (!baseRC)
 936         {
 937                 VID_Shutdown();
 938                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 939                 return false;
 940         }
 941         if (!qwglMakeCurrent(hdc, baseRC))
 942         {
 943                 VID_Shutdown();
 944                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
 945                 return false;
 946         }
 947
 948         qglGetString = GL_GetProcAddress("glGetString");
 949         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
 950         if (qglGetString == NULL)
 951         {
 952                 VID_Shutdown();
 953                 Con_Printf("glGetString not found\n");
 954                 return false;
 955         }
 956         gl_renderer = qglGetString(GL_RENDERER);
 957         gl_vendor = qglGetString(GL_VENDOR);
 958         gl_version = qglGetString(GL_VERSION);
 959         gl_extensions = qglGetString(GL_EXTENSIONS);
 960         gl_platform = "WGL";
 961         gl_platformextensions = "";
 962
 963         if (qwglGetExtensionsStringARB)
 964                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
 965
 966         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
 967         ReleaseDC(mainwindow, hdc);
 968
 969         GL_Init ();
 970
 971         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 972         if (strncasecmp(gl_vendor,"ATI",3)==0)
 973         {
 974                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 975                         isRagePro = true;
 976         }
 977         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 978                 isG200 = true;
 979
 980         //vid_menudrawfn = VID_MenuDraw;
 981         //vid_menukeyfn = VID_MenuKey;
 982         vid_hidden = false;
 983         vid_initialized = true;
 984
 985         IN_StartupMouse ();
 986         IN_StartupJoystick ();
 987
 988         return true;
 989 }
 990
 991 static void IN_Shutdown(void);
 992 void VID_Shutdown (void)
 993 {
 994         HGLRC hRC = 0;
 995         HDC hDC = 0;
 996
 997         if(vid_initialized == false)
 998                 return;
 999
1000         VID_RestoreSystemGamma();
1001
1002         vid_initialized = false;
1003         IN_Shutdown();
1004         if (qwglGetCurrentContext)
1005                 hRC = qwglGetCurrentContext();
1006         if (qwglGetCurrentDC)
1007                 hDC = qwglGetCurrentDC();
1008         if (qwglMakeCurrent)
1009                 qwglMakeCurrent(NULL, NULL);
1010         if (hRC && qwglDeleteContext)
1011                 qwglDeleteContext(hRC);
1012         // close the library before we get rid of the window
1013         GL_CloseLibrary();
1014         if (hDC && mainwindow)
1015                 ReleaseDC(mainwindow, hDC);
1016         AppActivate(false, false);
1017         if (mainwindow)
1018                 DestroyWindow(mainwindow);
1019         mainwindow = 0;
1020         if (vid_isfullscreen)
1021                 ChangeDisplaySettings (NULL, 0);
1022         vid_isfullscreen = false;
1023 }
1024
1025
1026 /*
1027 ===========
1028 IN_ShowMouse
1029 ===========
1030 */
1031 void IN_ShowMouse (void)
1032 {
1033         if (!mouseshowtoggle)
1034         {
1035                 ShowCursor (true);
1036                 mouseshowtoggle = 1;
1037         }
1038 }
1039
1040
1041 /*
1042 ===========
1043 IN_HideMouse
1044 ===========
1045 */
1046 void IN_HideMouse (void)
1047 {
1048         if (mouseshowtoggle)
1049         {
1050                 ShowCursor (false);
1051                 mouseshowtoggle = 0;
1052         }
1053 }
1054
1055
1056 /*
1057 ===========
1058 IN_ActivateMouse
1059 ===========
1060 */
1061 void IN_ActivateMouse (void)
1062 {
1063
1064         mouseactivatetoggle = true;
1065
1066         if (mouseinitialized)
1067         {
1068                 if (dinput)
1069                 {
1070                         if (g_pMouse)
1071                         {
1072                                 if (!dinput_acquired)
1073                                 {
1074                                         IDirectInputDevice_Acquire(g_pMouse);
1075                                         dinput_acquired = true;
1076                                 }
1077                         }
1078                         else
1079                         {
1080                                 return;
1081                         }
1082                 }
1083                 else
1084                 {
1085                         RECT window_rect;
1086                         window_rect.left = window_x;
1087                         window_rect.top = window_y;
1088                         window_rect.right = window_x + window_width;
1089                         window_rect.bottom = window_y + window_height;
1090
1091                         if (mouseparmsvalid)
1092                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1093
1094                         SetCursorPos (window_center_x, window_center_y);
1095                         SetCapture (mainwindow);
1096                         ClipCursor (&window_rect);
1097                 }
1098
1099                 mouseactive = true;
1100         }
1101 }
1102
1103
1104 /*
1105 ===========
1106 IN_DeactivateMouse
1107 ===========
1108 */
1109 void IN_DeactivateMouse (void)
1110 {
1111
1112         mouseactivatetoggle = false;
1113
1114         if (mouseinitialized)
1115         {
1116                 if (dinput)
1117                 {
1118                         if (g_pMouse)
1119                         {
1120                                 if (dinput_acquired)
1121                                 {
1122                                         IDirectInputDevice_Unacquire(g_pMouse);
1123                                         dinput_acquired = false;
1124                                 }
1125                         }
1126                 }
1127                 else
1128                 {
1129                         if (restore_spi)
1130                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1131
1132                         ClipCursor (NULL);
1133                         ReleaseCapture ();
1134                 }
1135
1136                 mouseactive = false;
1137         }
1138 }
1139
1140
1141 /*
1142 ===========
1143 IN_InitDInput
1144 ===========
1145 */
1146 qboolean IN_InitDInput (void)
1147 {
1148     HRESULT             hr;
1149         DIPROPDWORD     dipdw = {
1150                 {
1151                         sizeof(DIPROPDWORD),        // diph.dwSize
1152                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1153                         0,                          // diph.dwObj
1154                         DIPH_DEVICE,                // diph.dwHow
1155                 },
1156                 DINPUT_BUFFERSIZE,              // dwData
1157         };
1158
1159         if (!hInstDI)
1160         {
1161                 hInstDI = LoadLibrary("dinput.dll");
1162
1163                 if (hInstDI == NULL)
1164                 {
1165                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1166                         return false;
1167                 }
1168         }
1169
1170         if (!pDirectInputCreate)
1171         {
1172                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1173
1174                 if (!pDirectInputCreate)
1175                 {
1176                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1177                         return false;
1178                 }
1179         }
1180
1181 // register with DirectInput and get an IDirectInput to play with.
1182         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1183
1184         if (FAILED(hr))
1185         {
1186                 return false;
1187         }
1188
1189 // obtain an interface to the system mouse device.
1190         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1191
1192         if (FAILED(hr))
1193         {
1194                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1195                 return false;
1196         }
1197
1198 // set the data format to "mouse format".
1199         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1200
1201         if (FAILED(hr))
1202         {
1203                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1204                 return false;
1205         }
1206
1207 // set the cooperativity level.
1208         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1209                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1210
1211         if (FAILED(hr))
1212         {
1213                 Con_SafePrintf ("Couldn't set DI coop level\n");
1214                 return false;
1215         }
1216
1217
1218 // set the buffer size to DINPUT_BUFFERSIZE elements.
1219 // the buffer size is a DWORD property associated with the device
1220         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1221
1222         if (FAILED(hr))
1223         {
1224                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1225                 return false;
1226         }
1227
1228         return true;
1229 }
1230
1231
1232 /*
1233 ===========
1234 IN_StartupMouse
1235 ===========
1236 */
1237 void IN_StartupMouse (void)
1238 {
1239         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1240                 return;
1241
1242         mouseinitialized = true;
1243
1244         if (COM_CheckParm ("-dinput"))
1245         {
1246                 dinput = IN_InitDInput ();
1247
1248                 if (dinput)
1249                 {
1250                         Con_SafePrintf ("DirectInput initialized\n");
1251                 }
1252                 else
1253                 {
1254                         Con_SafePrintf ("DirectInput not initialized\n");
1255                 }
1256         }
1257
1258         if (!dinput)
1259         {
1260                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1261
1262                 if (mouseparmsvalid)
1263                 {
1264                         if ( COM_CheckParm ("-noforcemspd") )
1265                                 newmouseparms[2] = originalmouseparms[2];
1266
1267                         if ( COM_CheckParm ("-noforcemaccel") )
1268                         {
1269                                 newmouseparms[0] = originalmouseparms[0];
1270                                 newmouseparms[1] = originalmouseparms[1];
1271                         }
1272
1273                         if ( COM_CheckParm ("-noforcemparms") )
1274                         {
1275                                 newmouseparms[0] = originalmouseparms[0];
1276                                 newmouseparms[1] = originalmouseparms[1];
1277                                 newmouseparms[2] = originalmouseparms[2];
1278                         }
1279                 }
1280         }
1281
1282         mouse_buttons = 10;
1283
1284 // if a fullscreen video mode was set before the mouse was initialized,
1285 // set the mouse state appropriately
1286         if (mouseactivatetoggle)
1287                 IN_ActivateMouse ();
1288 }
1289
1290
1291 /*
1292 ===========
1293 IN_MouseEvent
1294 ===========
1295 */
1296 void IN_MouseEvent (int mstate)
1297 {
1298         int     i;
1299
1300         if (mouseactive && !dinput)
1301         {
1302         // perform button actions
1303                 for (i=0 ; i<mouse_buttons ; i++)
1304                 {
1305                         if ( (mstate & (1<<i)) &&
1306                                 !(mouse_oldbuttonstate & (1<<i)) )
1307                         {
1308                                 Key_Event (K_MOUSE1 + i, 0, true);
1309                         }
1310
1311                         if ( !(mstate & (1<<i)) &&
1312                                 (mouse_oldbuttonstate & (1<<i)) )
1313                         {
1314                                 Key_Event (K_MOUSE1 + i, 0, false);
1315                         }
1316                 }
1317
1318                 mouse_oldbuttonstate = mstate;
1319         }
1320 }
1321
1322
1323 /*
1324 ===========
1325 IN_MouseMove
1326 ===========
1327 */
1328 void IN_MouseMove (usercmd_t *cmd)
1329 {
1330         int                                     i, mx, my;
1331         DIDEVICEOBJECTDATA      od;
1332         DWORD                           dwElements;
1333         HRESULT                         hr;
1334
1335         if (!mouseactive)
1336         {
1337                 GetCursorPos (&current_pos);
1338                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1339                 in_mouse_x = in_mouse_y = 0;
1340                 return;
1341         }
1342
1343         if (dinput)
1344         {
1345                 mx = 0;
1346                 my = 0;
1347
1348                 for (;;)
1349                 {
1350                         dwElements = 1;
1351
1352                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1353                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1354
1355                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1356                         {
1357                                 dinput_acquired = true;
1358                                 IDirectInputDevice_Acquire(g_pMouse);
1359                                 break;
1360                         }
1361
1362                         /* Unable to read data or no data available */
1363                         if (FAILED(hr) || dwElements == 0)
1364                                 break;
1365
1366                         /* Look at the element to see what happened */
1367
1368                         switch (od.dwOfs)
1369                         {
1370                                 case DIMOFS_X:
1371                                         mx += od.dwData;
1372                                         break;
1373
1374                                 case DIMOFS_Y:
1375                                         my += od.dwData;
1376                                         break;
1377
1378                                 case DIMOFS_BUTTON0:
1379                                         if (od.dwData & 0x80)
1380                                                 mstate_di |= 1;
1381                                         else
1382                                                 mstate_di &= ~1;
1383                                         break;
1384
1385                                 case DIMOFS_BUTTON1:
1386                                         if (od.dwData & 0x80)
1387                                                 mstate_di |= (1<<1);
1388                                         else
1389                                                 mstate_di &= ~(1<<1);
1390                                         break;
1391
1392                                 case DIMOFS_BUTTON2:
1393                                         if (od.dwData & 0x80)
1394                                                 mstate_di |= (1<<2);
1395                                         else
1396                                                 mstate_di &= ~(1<<2);
1397                                         break;
1398                         }
1399                 }
1400
1401         // perform button actions
1402                 for (i=0 ; i<mouse_buttons ; i++)
1403                 {
1404                         if ( (mstate_di & (1<<i)) &&
1405                                 !(mouse_oldbuttonstate & (1<<i)) )
1406                         {
1407                                 Key_Event (K_MOUSE1 + i, 0, true);
1408                         }
1409
1410                         if ( !(mstate_di & (1<<i)) &&
1411                                 (mouse_oldbuttonstate & (1<<i)) )
1412                         {
1413                                 Key_Event (K_MOUSE1 + i, 0, false);
1414                         }
1415                 }
1416
1417                 mouse_oldbuttonstate = mstate_di;
1418         }
1419         else
1420         {
1421                 GetCursorPos (&current_pos);
1422                 mx = current_pos.x - window_center_x + mx_accum;
1423                 my = current_pos.y - window_center_y + my_accum;
1424                 mx_accum = 0;
1425                 my_accum = 0;
1426         }
1427
1428         IN_Mouse(cmd, mx, my);
1429
1430         // if the mouse has moved, force it to the center, so there's room to move
1431         if (!dinput && (mx || my))
1432                 SetCursorPos (window_center_x, window_center_y);
1433 }
1434
1435
1436 /*
1437 ===========
1438 IN_Move
1439 ===========
1440 */
1441 void IN_Move (usercmd_t *cmd)
1442 {
1443         if (vid_activewindow && !vid_hidden)
1444         {
1445                 IN_MouseMove (cmd);
1446                 IN_JoyMove (cmd);
1447         }
1448 }
1449
1450
1451 /*
1452 ===========
1453 IN_Accumulate
1454 ===========
1455 */
1456 void IN_Accumulate (void)
1457 {
1458         if (mouseactive)
1459         {
1460                 if (!dinput)
1461                 {
1462                         GetCursorPos (&current_pos);
1463
1464                         mx_accum += current_pos.x - window_center_x;
1465                         my_accum += current_pos.y - window_center_y;
1466
1467                 // force the mouse to the center, so there's room to move
1468                         SetCursorPos (window_center_x, window_center_y);
1469                 }
1470         }
1471 }
1472
1473
1474 /*
1475 ===================
1476 IN_ClearStates
1477 ===================
1478 */
1479 void IN_ClearStates (void)
1480 {
1481         if (mouseactive)
1482         {
1483                 mx_accum = 0;
1484                 my_accum = 0;
1485                 mouse_oldbuttonstate = 0;
1486         }
1487 }
1488
1489
1490 /*
1491 ===============
1492 IN_StartupJoystick
1493 ===============
1494 */
1495 void IN_StartupJoystick (void)
1496 {
1497         int                     numdevs;
1498         JOYCAPS         jc;
1499         MMRESULT        mmr;
1500         mmr = 0;
1501
1502         // assume no joystick
1503         joy_avail = false;
1504
1505         // abort startup if user requests no joystick
1506         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1507                 return;
1508
1509         // verify joystick driver is present
1510         if ((numdevs = joyGetNumDevs ()) == 0)
1511         {
1512                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1513                 return;
1514         }
1515
1516         // cycle through the joystick ids for the first valid one
1517         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1518         {
1519                 memset (&ji, 0, sizeof(ji));
1520                 ji.dwSize = sizeof(ji);
1521                 ji.dwFlags = JOY_RETURNCENTERED;
1522
1523                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1524                         break;
1525         }
1526
1527         // abort startup if we didn't find a valid joystick
1528         if (mmr != JOYERR_NOERROR)
1529         {
1530                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1531                 return;
1532         }
1533
1534         // get the capabilities of the selected joystick
1535         // abort startup if command fails
1536         memset (&jc, 0, sizeof(jc));
1537         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1538         {
1539                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1540                 return;
1541         }
1542
1543         // save the joystick's number of buttons and POV status
1544         joy_numbuttons = jc.wNumButtons;
1545         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1546
1547         // old button and POV states default to no buttons pressed
1548         joy_oldbuttonstate = joy_oldpovstate = 0;
1549
1550         // mark the joystick as available and advanced initialization not completed
1551         // this is needed as cvars are not available during initialization
1552
1553         joy_avail = true;
1554         joy_advancedinit = false;
1555
1556         Con_Printf ("\njoystick detected\n\n");
1557 }
1558
1559
1560 /*
1561 ===========
1562 RawValuePointer
1563 ===========
1564 */
1565 PDWORD RawValuePointer (int axis)
1566 {
1567         switch (axis)
1568         {
1569         case JOY_AXIS_X:
1570                 return &ji.dwXpos;
1571         case JOY_AXIS_Y:
1572                 return &ji.dwYpos;
1573         case JOY_AXIS_Z:
1574                 return &ji.dwZpos;
1575         case JOY_AXIS_R:
1576                 return &ji.dwRpos;
1577         case JOY_AXIS_U:
1578                 return &ji.dwUpos;
1579         case JOY_AXIS_V:
1580                 return &ji.dwVpos;
1581         }
1582         return NULL; // LordHavoc: hush compiler warning
1583 }
1584
1585
1586 /*
1587 ===========
1588 Joy_AdvancedUpdate_f
1589 ===========
1590 */
1591 void Joy_AdvancedUpdate_f (void)
1592 {
1593
1594         // called once by IN_ReadJoystick and by user whenever an update is needed
1595         // cvars are now available
1596         int     i;
1597         DWORD dwTemp;
1598
1599         // initialize all the maps
1600         for (i = 0; i < JOY_MAX_AXES; i++)
1601         {
1602                 dwAxisMap[i] = AxisNada;
1603                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1604                 pdwRawValue[i] = RawValuePointer(i);
1605         }
1606
1607         if( joy_advanced.integer == 0)
1608         {
1609                 // default joystick initialization
1610                 // 2 axes only with joystick control
1611                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1612                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1613                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1614                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1615         }
1616         else
1617         {
1618                 if (strcmp (joy_name.string, "joystick") != 0)
1619                 {
1620                         // notify user of advanced controller
1621                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1622                 }
1623
1624                 // advanced initialization here
1625                 // data supplied by user via joy_axisn cvars
1626                 dwTemp = (DWORD) joy_advaxisx.value;
1627                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1628                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1629                 dwTemp = (DWORD) joy_advaxisy.value;
1630                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1631                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1632                 dwTemp = (DWORD) joy_advaxisz.value;
1633                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1634                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1635                 dwTemp = (DWORD) joy_advaxisr.value;
1636                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1637                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1638                 dwTemp = (DWORD) joy_advaxisu.value;
1639                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1640                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1641                 dwTemp = (DWORD) joy_advaxisv.value;
1642                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1643                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1644         }
1645
1646         // compute the axes to collect from DirectInput
1647         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1648         for (i = 0; i < JOY_MAX_AXES; i++)
1649         {
1650                 if (dwAxisMap[i] != AxisNada)
1651                 {
1652                         joy_flags |= dwAxisFlags[i];
1653                 }
1654         }
1655 }
1656
1657 /*
1658 ===========
1659 IN_Commands
1660 ===========
1661 */
1662 void IN_Commands (void)
1663 {
1664         int             i, key_index;
1665         DWORD   buttonstate, povstate;
1666
1667         if (!joy_avail)
1668         {
1669                 return;
1670         }
1671
1672
1673         // loop through the joystick buttons
1674         // key a joystick event or auxillary event for higher number buttons for each state change
1675         buttonstate = ji.dwButtons;
1676         for (i=0 ; i < (int) joy_numbuttons ; i++)
1677         {
1678                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1679                 {
1680                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1681                         Key_Event (key_index + i, 0, true);
1682                 }
1683
1684                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1685                 {
1686                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1687                         Key_Event (key_index + i, 0, false);
1688                 }
1689         }
1690         joy_oldbuttonstate = buttonstate;
1691
1692         if (joy_haspov)
1693         {
1694                 // convert POV information into 4 bits of state information
1695                 // this avoids any potential problems related to moving from one
1696                 // direction to another without going through the center position
1697                 povstate = 0;
1698                 if(ji.dwPOV != JOY_POVCENTERED)
1699                 {
1700                         if (ji.dwPOV == JOY_POVFORWARD)
1701                                 povstate |= 0x01;
1702                         if (ji.dwPOV == JOY_POVRIGHT)
1703                                 povstate |= 0x02;
1704                         if (ji.dwPOV == JOY_POVBACKWARD)
1705                                 povstate |= 0x04;
1706                         if (ji.dwPOV == JOY_POVLEFT)
1707                                 povstate |= 0x08;
1708                 }
1709                 // determine which bits have changed and key an auxillary event for each change
1710                 for (i=0 ; i < 4 ; i++)
1711                 {
1712                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1713                         {
1714                                 Key_Event (K_AUX29 + i, 0, true);
1715                         }
1716
1717                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1718                         {
1719                                 Key_Event (K_AUX29 + i, 0, false);
1720                         }
1721                 }
1722                 joy_oldpovstate = povstate;
1723         }
1724 }
1725
1726
1727 /*
1728 ===============
1729 IN_ReadJoystick
1730 ===============
1731 */
1732 qboolean IN_ReadJoystick (void)
1733 {
1734
1735         memset (&ji, 0, sizeof(ji));
1736         ji.dwSize = sizeof(ji);
1737         ji.dwFlags = joy_flags;
1738
1739         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1740         {
1741                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1742                 // rather than having 32768 be the zero point, they have the zero point at 32668
1743                 // go figure -- anyway, now we get the full resolution out of the device
1744                 if (joy_wwhack1.integer != 0.0)
1745                 {
1746                         ji.dwUpos += 100;
1747                 }
1748                 return true;
1749         }
1750         else
1751         {
1752                 // read error occurred
1753                 // turning off the joystick seems too harsh for 1 read error,
1754                 // but what should be done?
1755                 return false;
1756         }
1757 }
1758
1759
1760 /*
1761 ===========
1762 IN_JoyMove
1763 ===========
1764 */
1765 void IN_JoyMove (usercmd_t *cmd)
1766 {
1767         float   speed, aspeed;
1768         float   fAxisValue, fTemp;
1769         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1770
1771         // complete initialization if first time in
1772         // this is needed as cvars are not available at initialization time
1773         if( joy_advancedinit != true )
1774         {
1775                 Joy_AdvancedUpdate_f();
1776                 joy_advancedinit = true;
1777         }
1778
1779         // verify joystick is available and that the user wants to use it
1780         if (!joy_avail || !in_joystick.integer)
1781         {
1782                 return;
1783         }
1784
1785         // collect the joystick data, if possible
1786         if (IN_ReadJoystick () != true)
1787         {
1788                 return;
1789         }
1790
1791         if (in_speed.state & 1)
1792                 speed = cl_movespeedkey.value;
1793         else
1794                 speed = 1;
1795         // LordHavoc: viewzoom affects sensitivity for sniping
1796         aspeed = speed * host_realframetime * cl.viewzoom;
1797
1798         // loop through the axes
1799         for (i = 0; i < JOY_MAX_AXES; i++)
1800         {
1801                 // get the floating point zero-centered, potentially-inverted data for the current axis
1802                 fAxisValue = (float) *pdwRawValue[i];
1803                 // move centerpoint to zero
1804                 fAxisValue -= 32768.0;
1805
1806                 if (joy_wwhack2.integer != 0.0)
1807                 {
1808                         if (dwAxisMap[i] == AxisTurn)
1809                         {
1810                                 // this is a special formula for the Logitech WingMan Warrior
1811                                 // y=ax^b; where a = 300 and b = 1.3
1812                                 // also x values are in increments of 800 (so this is factored out)
1813                                 // then bounds check result to level out excessively high spin rates
1814                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1815                                 if (fTemp > 14000.0)
1816                                         fTemp = 14000.0;
1817                                 // restore direction information
1818                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1819                         }
1820                 }
1821
1822                 // convert range from -32768..32767 to -1..1
1823                 fAxisValue /= 32768.0;
1824
1825                 switch (dwAxisMap[i])
1826                 {
1827                 case AxisForward:
1828                         if ((joy_advanced.integer == 0) && mouselook)
1829                         {
1830                                 // user wants forward control to become look control
1831                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1832                                 {
1833                                         // if mouse invert is on, invert the joystick pitch value
1834                                         // only absolute control support here (joy_advanced is false)
1835                                         if (m_pitch.value < 0.0)
1836                                         {
1837                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1838                                         }
1839                                         else
1840                                         {
1841                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1842                                         }
1843                                         V_StopPitchDrift();
1844                                 }
1845                                 else
1846                                 {
1847                                         // no pitch movement
1848                                         // disable pitch return-to-center unless requested by user
1849                                         // *** this code can be removed when the lookspring bug is fixed
1850                                         // *** the bug always has the lookspring feature on
1851                                         if(lookspring.value == 0.0)
1852                                                 V_StopPitchDrift();
1853                                 }
1854                         }
1855                         else
1856                         {
1857                                 // user wants forward control to be forward control
1858                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1859                                 {
1860                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1861                                 }
1862                         }
1863                         break;
1864
1865                 case AxisSide:
1866                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1867                         {
1868                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1869                         }
1870                         break;
1871
1872                 case AxisTurn:
1873                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1874                         {
1875                                 // user wants turn control to become side control
1876                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1877                                 {
1878                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1879                                 }
1880                         }
1881                         else
1882                         {
1883                                 // user wants turn control to be turn control
1884                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1885                                 {
1886                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1887                                         {
1888                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1889                                         }
1890                                         else
1891                                         {
1892                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1893                                         }
1894
1895                                 }
1896                         }
1897                         break;
1898
1899                 case AxisLook:
1900                         if (mouselook)
1901                         {
1902                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1903                                 {
1904                                         // pitch movement detected and pitch movement desired by user
1905                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1906                                         {
1907                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1908                                         }
1909                                         else
1910                                         {
1911                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1912                                         }
1913                                         V_StopPitchDrift();
1914                                 }
1915                                 else
1916                                 {
1917                                         // no pitch movement
1918                                         // disable pitch return-to-center unless requested by user
1919                                         // *** this code can be removed when the lookspring bug is fixed
1920                                         // *** the bug always has the lookspring feature on
1921                                         if(lookspring.integer == 0)
1922                                                 V_StopPitchDrift();
1923                                 }
1924                         }
1925                         break;
1926
1927                 default:
1928                         break;
1929                 }
1930         }
1931 }
1932
1933 static void IN_Init(void)
1934 {
1935         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1936
1937         // joystick variables
1938         Cvar_RegisterVariable (&in_joystick);
1939         Cvar_RegisterVariable (&joy_name);
1940         Cvar_RegisterVariable (&joy_advanced);
1941         Cvar_RegisterVariable (&joy_advaxisx);
1942         Cvar_RegisterVariable (&joy_advaxisy);
1943         Cvar_RegisterVariable (&joy_advaxisz);
1944         Cvar_RegisterVariable (&joy_advaxisr);
1945         Cvar_RegisterVariable (&joy_advaxisu);
1946         Cvar_RegisterVariable (&joy_advaxisv);
1947         Cvar_RegisterVariable (&joy_forwardthreshold);
1948         Cvar_RegisterVariable (&joy_sidethreshold);
1949         Cvar_RegisterVariable (&joy_pitchthreshold);
1950         Cvar_RegisterVariable (&joy_yawthreshold);
1951         Cvar_RegisterVariable (&joy_forwardsensitivity);
1952         Cvar_RegisterVariable (&joy_sidesensitivity);
1953         Cvar_RegisterVariable (&joy_pitchsensitivity);
1954         Cvar_RegisterVariable (&joy_yawsensitivity);
1955         Cvar_RegisterVariable (&joy_wwhack1);
1956         Cvar_RegisterVariable (&joy_wwhack2);
1957         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1958 }
1959
1960 static void IN_Shutdown(void)
1961 {
1962         IN_DeactivateMouse ();
1963         IN_ShowMouse ();
1964
1965         if (g_pMouse)
1966                 IDirectInputDevice_Release(g_pMouse);
1967         g_pMouse = NULL;
1968
1969         if (g_pdi)
1970                 IDirectInput_Release(g_pdi);
1971         g_pdi = NULL;
1972 }