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 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  41 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  42 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  43 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  44 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  45 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  46 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  47 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  48 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  49 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  50 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  51 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  52 static 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 static DEVMODE gdevmode;
  77 static qboolean vid_initialized = false;
  78 static qboolean vid_wassuspended = false;
  79 static qboolean vid_usingmouse = false;
  80 static qboolean vid_usingvsync = false;
  81 static qboolean vid_usemouse = false;
  82 static qboolean vid_usevsync = false;
  83 static HICON hIcon;
  84
  85 // used by cd_win.c and snd_win.c
  86 HWND mainwindow;
  87
  88 static HDC       baseDC;
  89 static HGLRC baseRC;
  90
  91 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  92
  93 static qboolean vid_isfullscreen;
  94
  95 //void VID_MenuDraw (void);
  96 //void VID_MenuKey (int key);
  97
  98 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  99 //void AppActivate(BOOL fActive, BOOL minimize);
 100 //void ClearAllStates (void);
 101 //void VID_UpdateWindowStatus (void);
 102
 103 //====================================
 104
 105 static int window_x, window_y, window_width, window_height;
 106 static int window_center_x, window_center_y;
 107
 108 static void IN_Activate (qboolean grab);
 109
 110 static qboolean mouseinitialized;
 111 static qboolean dinput;
 112
 113 // input code
 114
 115 #include <dinput.h>
 116
 117 #define DINPUT_BUFFERSIZE           16
 118 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 119
 120 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 121
 122 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 123 /* backslash :: imouse explorer buttons */
 124 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 125    MS's platform SDK, but we need them for compilation. . . */
 126 #ifndef WM_XBUTTONDOWN
 127    #define WM_XBUTTONDOWN      0x020B
 128    #define WM_XBUTTONUP      0x020C
 129 #endif
 130 #ifndef MK_XBUTTON1
 131    #define MK_XBUTTON1         0x0020
 132    #define MK_XBUTTON2         0x0040
 133 // LordHavoc: lets hope this allows more buttons in the future...
 134    #define MK_XBUTTON3         0x0080
 135    #define MK_XBUTTON4         0x0100
 136    #define MK_XBUTTON5         0x0200
 137    #define MK_XBUTTON6         0x0400
 138    #define MK_XBUTTON7         0x0800
 139 #endif
 140 /* :: backslash */
 141
 142 // mouse variables
 143 static int                      mouse_buttons;
 144 static int                      mouse_oldbuttonstate;
 145
 146 static qboolean restore_spi;
 147 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
 148
 149 static unsigned int uiWheelMessage;
 150 static qboolean mouseparmsvalid, mouseactivatetoggle;
 151 static qboolean dinput_acquired;
 152
 153 static unsigned int             mstate_di;
 154
 155 // joystick defines and variables
 156 // where should defines be moved?
 157 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 158 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 159 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 160 #define JOY_AXIS_X                      0
 161 #define JOY_AXIS_Y                      1
 162 #define JOY_AXIS_Z                      2
 163 #define JOY_AXIS_R                      3
 164 #define JOY_AXIS_U                      4
 165 #define JOY_AXIS_V                      5
 166
 167 enum _ControlList
 168 {
 169         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 170 };
 171
 172 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 173 {
 174         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 175 };
 176
 177 static DWORD    dwAxisMap[JOY_MAX_AXES];
 178 static DWORD    dwControlMap[JOY_MAX_AXES];
 179 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 180
 181 // none of these cvars are saved over a session
 182 // this means that advanced controller configuration needs to be executed
 183 // each time.  this avoids any problems with getting back to a default usage
 184 // or when changing from one controller to another.  this way at least something
 185 // works.
 186 static cvar_t   in_joystick = {CVAR_SAVE, "joystick","0"};
 187 static cvar_t   joy_name = {0, "joyname", "joystick"};
 188 static cvar_t   joy_advanced = {0, "joyadvanced", "0"};
 189 static cvar_t   joy_advaxisx = {0, "joyadvaxisx", "0"};
 190 static cvar_t   joy_advaxisy = {0, "joyadvaxisy", "0"};
 191 static cvar_t   joy_advaxisz = {0, "joyadvaxisz", "0"};
 192 static cvar_t   joy_advaxisr = {0, "joyadvaxisr", "0"};
 193 static cvar_t   joy_advaxisu = {0, "joyadvaxisu", "0"};
 194 static cvar_t   joy_advaxisv = {0, "joyadvaxisv", "0"};
 195 static cvar_t   joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
 196 static cvar_t   joy_sidethreshold = {0, "joysidethreshold", "0.15"};
 197 static cvar_t   joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
 198 static cvar_t   joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
 199 static cvar_t   joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 200 static cvar_t   joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 201 static cvar_t   joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 202 static cvar_t   joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 203 static cvar_t   joy_wwhack1 = {0, "joywwhack1", "0.0"};
 204 static cvar_t   joy_wwhack2 = {0, "joywwhack2", "0.0"};
 205
 206 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 207 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 208
 209 static int                      joy_id;
 210 static DWORD            joy_flags;
 211 static DWORD            joy_numbuttons;
 212
 213 static LPDIRECTINPUT            g_pdi;
 214 static LPDIRECTINPUTDEVICE      g_pMouse;
 215
 216 static JOYINFOEX        ji;
 217
 218 static HINSTANCE hInstDI;
 219
 220 //static qboolean       dinput;
 221
 222 typedef struct MYDATA {
 223         LONG  lX;                   // X axis goes here
 224         LONG  lY;                   // Y axis goes here
 225         LONG  lZ;                   // Z axis goes here
 226         BYTE  bButtonA;             // One button goes here
 227         BYTE  bButtonB;             // Another button goes here
 228         BYTE  bButtonC;             // Another button goes here
 229         BYTE  bButtonD;             // Another button goes here
 230 } MYDATA;
 231
 232 static DIOBJECTDATAFORMAT rgodf[] = {
 233   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 234   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 235   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 236   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 237   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 238   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 239   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 240 };
 241
 242 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 243
 244 static DIDATAFORMAT     df = {
 245         sizeof(DIDATAFORMAT),       // this structure
 246         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 247         DIDF_RELAXIS,               // absolute axis coordinates
 248         sizeof(MYDATA),             // device data size
 249         NUM_OBJECTS,                // number of objects
 250         rgodf,                      // and here they are
 251 };
 252
 253 // forward-referenced functions
 254 static void IN_StartupJoystick (void);
 255 static void Joy_AdvancedUpdate_f (void);
 256 static void IN_JoyMove (void);
 257 static void IN_StartupMouse (void);
 258
 259 /*
 260 ================
 261 VID_UpdateWindowStatus
 262 ================
 263 */
 264 static void VID_UpdateWindowStatus (void)
 265 {
 266         window_center_x = window_x + window_width / 2;
 267         window_center_y = window_y + window_height / 2;
 268
 269         if (mouseinitialized && vid_usingmouse && !dinput_acquired)
 270         {
 271                 RECT window_rect;
 272                 window_rect.left = window_x;
 273                 window_rect.top = window_y;
 274                 window_rect.right = window_x + window_width;
 275                 window_rect.bottom = window_y + window_height;
 276                 ClipCursor (&window_rect);
 277         }
 278 }
 279
 280
 281 //====================================
 282
 283 /*
 284 =================
 285 VID_GetWindowSize
 286 =================
 287 */
 288 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 289 {
 290         *x = 0;
 291         *y = 0;
 292         *width = window_width;
 293         *height = window_height;
 294 }
 295
 296
 297 void VID_Finish (void)
 298 {
 299         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 300         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 301         {
 302                 vid_usingvsync = vid_usevsync;
 303                 qwglSwapIntervalEXT (vid_usevsync);
 304         }
 305
 306 // handle the mouse state when windowed if that's changed
 307         vid_usemouse = false;
 308         if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
 309                 vid_usemouse = true;
 310         if (vid_isfullscreen)
 311                 vid_usemouse = true;
 312         if (!vid_activewindow)
 313                 vid_usemouse = false;
 314         if (vid_usemouse)
 315         {
 316                 if (!vid_usingmouse)
 317                 {
 318                         vid_usingmouse = true;
 319                         IN_Activate (true);
 320                 }
 321         }
 322         else
 323         {
 324                 if (vid_usingmouse)
 325                 {
 326                         vid_usingmouse = false;
 327                         IN_Activate (false);
 328                 }
 329         }
 330
 331         if (r_render.integer && !vid_hidden)
 332         {
 333                 if (r_speeds.integer || gl_finish.integer)
 334                         qglFinish();
 335                 SwapBuffers(baseDC);
 336         }
 337 }
 338
 339 //==========================================================================
 340
 341
 342
 343
 344 static qbyte scantokey[128] =
 345 {
 346 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 347         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 348         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 349         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 350         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 351         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
 352         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 353         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 354         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 355 };
 356
 357
 358 /*
 359 =======
 360 MapKey
 361
 362 Map from windows to quake keynums
 363 =======
 364 */
 365 static int MapKey (int key, int virtualkey)
 366 {
 367         int result;
 368         int modified = (key >> 16) & 255;
 369         qboolean is_extended = false;
 370
 371         if (modified < 128 && scantokey[modified])
 372                 result = scantokey[modified];
 373         else
 374         {
 375                 result = 0;
 376                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 377         }
 378
 379         if (key & (1 << 24))
 380                 is_extended = true;
 381
 382         if ( !is_extended )
 383         {
 384                 switch ( result )
 385                 {
 386                 case K_HOME:
 387                         return K_KP_HOME;
 388                 case K_UPARROW:
 389                         return K_KP_UPARROW;
 390                 case K_PGUP:
 391                         return K_KP_PGUP;
 392                 case K_LEFTARROW:
 393                         return K_KP_LEFTARROW;
 394                 case K_RIGHTARROW:
 395                         return K_KP_RIGHTARROW;
 396                 case K_END:
 397                         return K_KP_END;
 398                 case K_DOWNARROW:
 399                         return K_KP_DOWNARROW;
 400                 case K_PGDN:
 401                         return K_KP_PGDN;
 402                 case K_INS:
 403                         return K_KP_INS;
 404                 case K_DEL:
 405                         return K_KP_DEL;
 406                 default:
 407                         return result;
 408                 }
 409         }
 410         else
 411         {
 412                 switch ( result )
 413                 {
 414                 case 0x0D:
 415                         return K_KP_ENTER;
 416                 case 0x2F:
 417                         return K_KP_SLASH;
 418                 case 0xAF:
 419                         return K_KP_PLUS;
 420                 }
 421                 return result;
 422         }
 423 }
 424
 425 /*
 426 ===================================================================
 427
 428 MAIN WINDOW
 429
 430 ===================================================================
 431 */
 432
 433 /*
 434 ================
 435 ClearAllStates
 436 ================
 437 */
 438 static void ClearAllStates (void)
 439 {
 440         Key_ClearStates ();
 441         if (vid_usingmouse)
 442                 mouse_oldbuttonstate = 0;
 443 }
 444
 445 void AppActivate(BOOL fActive, BOOL minimize)
 446 /****************************************************************************
 447 *
 448 * Function:     AppActivate
 449 * Parameters:   fActive - True if app is activating
 450 *
 451 * Description:  If the application is activating, then swap the system
 452 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 453 *               correctly.
 454 *
 455 ****************************************************************************/
 456 {
 457         static BOOL     sound_active;
 458
 459         vid_activewindow = fActive;
 460         vid_hidden = minimize;
 461
 462 // enable/disable sound on focus gain/loss
 463         if (!vid_activewindow && sound_active)
 464         {
 465                 S_BlockSound ();
 466                 sound_active = false;
 467         }
 468         else if (vid_activewindow && !sound_active)
 469         {
 470                 S_UnblockSound ();
 471                 sound_active = true;
 472         }
 473
 474         if (fActive)
 475         {
 476                 if (vid_isfullscreen)
 477                 {
 478                         if (vid_wassuspended)
 479                         {
 480                                 vid_wassuspended = false;
 481                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 482                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 483                         }
 484
 485                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 486                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 487                 }
 488         }
 489
 490         if (!fActive)
 491         {
 492                 vid_usingmouse = false;
 493                 IN_Activate (false);
 494                 if (vid_isfullscreen)
 495                 {
 496                         ChangeDisplaySettings (NULL, 0);
 497                         vid_wassuspended = true;
 498                 }
 499                 VID_RestoreSystemGamma();
 500         }
 501 }
 502
 503 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 504 void Sys_SendKeyEvents (void)
 505 {
 506         MSG msg;
 507
 508         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 509         {
 510                 if (!GetMessage (&msg, NULL, 0, 0))
 511                         Sys_Quit ();
 512
 513                 TranslateMessage (&msg);
 514                 DispatchMessage (&msg);
 515         }
 516 }
 517
 518 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 519
 520 /* main window procedure */
 521 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 522 {
 523         LONG    lRet = 1;
 524         int             fActive, fMinimized, temp;
 525         char    state[256];
 526         char    asciichar[4];
 527         int             vkey;
 528         qboolean down = false;
 529
 530         if ( uMsg == uiWheelMessage )
 531                 uMsg = WM_MOUSEWHEEL;
 532
 533         switch (uMsg)
 534         {
 535                 case WM_KILLFOCUS:
 536                         if (vid_isfullscreen)
 537                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 538                         break;
 539
 540                 case WM_CREATE:
 541                         break;
 542
 543                 case WM_MOVE:
 544                         window_x = (int) LOWORD(lParam);
 545                         window_y = (int) HIWORD(lParam);
 546                         VID_UpdateWindowStatus ();
 547                         break;
 548
 549                 case WM_KEYDOWN:
 550                 case WM_SYSKEYDOWN:
 551                         down = true;
 552                 case WM_KEYUP:
 553                 case WM_SYSKEYUP:
 554                         vkey = MapKey(lParam, wParam);
 555                         GetKeyboardState (state);
 556                         // alt/ctrl/shift tend to produce funky ToAscii values,
 557                         // and if it's not a single character we don't know care about it
 558                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
 559                                 asciichar[0] = 0;
 560                         Key_Event (vkey, asciichar[0], down);
 561                         break;
 562
 563                 case WM_SYSCHAR:
 564                 // keep Alt-Space from happening
 565                         break;
 566
 567         // this is complicated because Win32 seems to pack multiple mouse events into
 568         // one update sometimes, so we always check all states and look for events
 569                 case WM_LBUTTONDOWN:
 570                 case WM_LBUTTONUP:
 571                 case WM_RBUTTONDOWN:
 572                 case WM_RBUTTONUP:
 573                 case WM_MBUTTONDOWN:
 574                 case WM_MBUTTONUP:
 575                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 576                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 577                 case WM_MOUSEMOVE:
 578                         temp = 0;
 579
 580                         if (wParam & MK_LBUTTON)
 581                                 temp |= 1;
 582
 583                         if (wParam & MK_RBUTTON)
 584                                 temp |= 2;
 585
 586                         if (wParam & MK_MBUTTON)
 587                                 temp |= 4;
 588
 589                         /* backslash :: imouse explorer buttons */
 590                         if (wParam & MK_XBUTTON1)
 591                                 temp |= 8;
 592
 593                         if (wParam & MK_XBUTTON2)
 594                                 temp |= 16;
 595                         /* :: backslash */
 596
 597                         // LordHavoc: lets hope this allows more buttons in the future...
 598                         if (wParam & MK_XBUTTON3)
 599                                 temp |= 32;
 600                         if (wParam & MK_XBUTTON4)
 601                                 temp |= 64;
 602                         if (wParam & MK_XBUTTON5)
 603                                 temp |= 128;
 604                         if (wParam & MK_XBUTTON6)
 605                                 temp |= 256;
 606                         if (wParam & MK_XBUTTON7)
 607                                 temp |= 512;
 608
 609                         if (vid_usingmouse && !dinput_acquired)
 610                         {
 611                                 // perform button actions
 612                                 int i;
 613                                 for (i=0 ; i<mouse_buttons ; i++)
 614                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 615                                                 Key_Event (K_MOUSE1 + i, 0, (temp & (1<<i)) != 0);
 616                                 mouse_oldbuttonstate = temp;
 617                         }
 618
 619                         break;
 620
 621                 // JACK: This is the mouse wheel with the Intellimouse
 622                 // Its delta is either positive or neg, and we generate the proper
 623                 // Event.
 624                 case WM_MOUSEWHEEL:
 625                         if ((short) HIWORD(wParam) > 0) {
 626                                 Key_Event(K_MWHEELUP, 0, true);
 627                                 Key_Event(K_MWHEELUP, 0, false);
 628                         } else {
 629                                 Key_Event(K_MWHEELDOWN, 0, true);
 630                                 Key_Event(K_MWHEELDOWN, 0, false);
 631                         }
 632                         break;
 633
 634                 case WM_SIZE:
 635                         break;
 636
 637                 case WM_CLOSE:
 638                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 639                                 Sys_Quit ();
 640
 641                         break;
 642
 643                 case WM_ACTIVATE:
 644                         fActive = LOWORD(wParam);
 645                         fMinimized = (BOOL) HIWORD(wParam);
 646                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 647
 648                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 649                         ClearAllStates ();
 650
 651                         break;
 652
 653                 //case WM_DESTROY:
 654                 //      PostQuitMessage (0);
 655                 //      break;
 656
 657                 case MM_MCINOTIFY:
 658                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 659                         break;
 660
 661                 default:
 662                         /* pass all unhandled messages to DefWindowProc */
 663                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 664                 break;
 665         }
 666
 667         /* return 1 if handled message, 0 if not */
 668         return lRet;
 669 }
 670
 671 int VID_SetGamma(unsigned short *ramps)
 672 {
 673         HDC hdc = GetDC (NULL);
 674         int i = SetDeviceGammaRamp(hdc, ramps);
 675         ReleaseDC (NULL, hdc);
 676         return i; // return success or failure
 677 }
 678
 679 int VID_GetGamma(unsigned short *ramps)
 680 {
 681         HDC hdc = GetDC (NULL);
 682         int i = GetDeviceGammaRamp(hdc, ramps);
 683         ReleaseDC (NULL, hdc);
 684         return i; // return success or failure
 685 }
 686
 687 static HINSTANCE gldll;
 688
 689 static void GL_CloseLibrary(void)
 690 {
 691         FreeLibrary(gldll);
 692         gldll = 0;
 693         gl_driver[0] = 0;
 694         qwglGetProcAddress = NULL;
 695         gl_extensions = "";
 696         gl_platform = "";
 697         gl_platformextensions = "";
 698 }
 699
 700 static int GL_OpenLibrary(const char *name)
 701 {
 702         Con_Printf("Loading OpenGL driver %s\n", name);
 703         GL_CloseLibrary();
 704         if (!(gldll = LoadLibrary(name)))
 705         {
 706                 Con_Printf("Unable to LoadLibrary %s\n", name);
 707                 return false;
 708         }
 709         strcpy(gl_driver, name);
 710         return true;
 711 }
 712
 713 void *GL_GetProcAddress(const char *name)
 714 {
 715         void *p = NULL;
 716         if (qwglGetProcAddress != NULL)
 717                 p = (void *) qwglGetProcAddress(name);
 718         if (p == NULL)
 719                 p = (void *) GetProcAddress(gldll, name);
 720         return p;
 721 }
 722
 723 static void IN_Init(void);
 724 void VID_Init(void)
 725 {
 726         WNDCLASS wc;
 727
 728         InitCommonControls();
 729         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 730
 731         // Register the frame class
 732         wc.style         = 0;
 733         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 734         wc.cbClsExtra    = 0;
 735         wc.cbWndExtra    = 0;
 736         wc.hInstance     = global_hInstance;
 737         wc.hIcon         = hIcon;
 738         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 739         wc.hbrBackground = NULL;
 740         wc.lpszMenuName  = 0;
 741         wc.lpszClassName = "DarkPlacesWindowClass";
 742
 743         if (!RegisterClass (&wc))
 744                 Sys_Error("Couldn't register window class\n");
 745
 746         IN_Init();
 747 }
 748
 749 int VID_InitMode (int fullscreen, int width, int height, int bpp)
 750 {
 751         int i;
 752         HDC hdc;
 753         RECT rect;
 754         MSG msg;
 755         PIXELFORMATDESCRIPTOR pfd =
 756         {
 757                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 758                 1,                              // version number
 759                 PFD_DRAW_TO_WINDOW              // support window
 760                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 761                 |  PFD_DOUBLEBUFFER ,   // double buffered
 762                 PFD_TYPE_RGBA,                  // RGBA type
 763                 24,                             // 24-bit color depth
 764                 0, 0, 0, 0, 0, 0,               // color bits ignored
 765                 0,                              // no alpha buffer
 766                 0,                              // shift bit ignored
 767                 0,                              // no accumulation buffer
 768                 0, 0, 0, 0,                     // accum bits ignored
 769                 32,                             // 32-bit z-buffer
 770                 0,                              // no stencil buffer
 771                 0,                              // no auxiliary buffer
 772                 PFD_MAIN_PLANE,                 // main layer
 773                 0,                              // reserved
 774                 0, 0, 0                         // layer masks ignored
 775         };
 776         int pixelformat;
 777         DWORD WindowStyle, ExWindowStyle;
 778         int CenterX, CenterY;
 779         const char *gldrivername;
 780         int depth;
 781
 782         if (vid_initialized)
 783                 Sys_Error("VID_InitMode called when video is already initialised\n");
 784
 785         // if stencil is enabled, ask for alpha too
 786         if (bpp >= 32)
 787         {
 788                 pfd.cStencilBits = 8;
 789                 pfd.cAlphaBits = 8;
 790         }
 791         else
 792         {
 793                 pfd.cStencilBits = 0;
 794                 pfd.cAlphaBits = 0;
 795         }
 796
 797         gldrivername = "opengl32.dll";
 798 // 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
 799         i = COM_CheckParm("-gl_driver");
 800         if (i && i < com_argc - 1)
 801                 gldrivername = com_argv[i + 1];
 802         if (!GL_OpenLibrary(gldrivername))
 803         {
 804                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 805                 return false;
 806         }
 807
 808         memset(&gdevmode, 0, sizeof(gdevmode));
 809
 810         vid_isfullscreen = false;
 811         if (fullscreen)
 812         {
 813                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 814                 gdevmode.dmBitsPerPel = bpp;
 815                 gdevmode.dmPelsWidth = width;
 816                 gdevmode.dmPelsHeight = height;
 817                 gdevmode.dmSize = sizeof (gdevmode);
 818                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 819                 {
 820                         VID_Shutdown();
 821                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 822                         return false;
 823                 }
 824
 825                 vid_isfullscreen = true;
 826                 WindowStyle = WS_POPUP;
 827                 ExWindowStyle = WS_EX_TOPMOST;
 828         }
 829         else
 830         {
 831                 hdc = GetDC (NULL);
 832                 i = GetDeviceCaps(hdc, RASTERCAPS);
 833                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 834                 ReleaseDC (NULL, hdc);
 835                 if (i & RC_PALETTE)
 836                 {
 837                         VID_Shutdown();
 838                         Con_Print("Can't run in non-RGB mode\n");
 839                         return false;
 840                 }
 841                 if (bpp > depth)
 842                 {
 843                         VID_Shutdown();
 844                         Con_Print("A higher desktop depth is required to run this video mode\n");
 845                         return false;
 846                 }
 847
 848                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 849                 ExWindowStyle = 0;
 850         }
 851
 852         rect.top = 0;
 853         rect.left = 0;
 854         rect.right = width;
 855         rect.bottom = height;
 856         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 857
 858         if (fullscreen)
 859         {
 860                 CenterX = 0;
 861                 CenterY = 0;
 862         }
 863         else
 864         {
 865                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 866                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 867         }
 868         CenterX = max(0, CenterX);
 869         CenterY = max(0, CenterY);
 870
 871         // x and y may be changed by WM_MOVE messages
 872         window_x = CenterX;
 873         window_y = CenterY;
 874         window_width = width;
 875         window_height = height;
 876         rect.left += CenterX;
 877         rect.right += CenterX;
 878         rect.top += CenterY;
 879         rect.bottom += CenterY;
 880
 881         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 882         if (!mainwindow)
 883         {
 884                 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);
 885                 VID_Shutdown();
 886                 return false;
 887         }
 888
 889         /*
 890         if (!fullscreen)
 891                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 892         */
 893
 894         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 895         UpdateWindow (mainwindow);
 896
 897         VID_UpdateWindowStatus ();
 898
 899         // now we try to make sure we get the focus on the mode switch, because
 900         // sometimes in some systems we don't.  We grab the foreground, then
 901         // finish setting up, pump all our messages, and sleep for a little while
 902         // to let messages finish bouncing around the system, then we put
 903         // ourselves at the top of the z order, then grab the foreground again,
 904         // Who knows if it helps, but it probably doesn't hurt
 905         SetForegroundWindow (mainwindow);
 906
 907         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 908         {
 909                 TranslateMessage (&msg);
 910                 DispatchMessage (&msg);
 911         }
 912
 913         Sleep (100);
 914
 915         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 916
 917         SetForegroundWindow (mainwindow);
 918
 919         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 920         ClearAllStates ();
 921
 922         baseDC = GetDC(mainwindow);
 923
 924         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 925         {
 926                 VID_Shutdown();
 927                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
 928                 return false;
 929         }
 930
 931         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 932         {
 933                 VID_Shutdown();
 934                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
 935                 return false;
 936         }
 937
 938         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 939         {
 940                 VID_Shutdown();
 941                 Con_Print("wgl functions not found\n");
 942                 return false;
 943         }
 944
 945         baseRC = qwglCreateContext(baseDC);
 946         if (!baseRC)
 947         {
 948                 VID_Shutdown();
 949                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 950                 return false;
 951         }
 952         if (!qwglMakeCurrent(baseDC, baseRC))
 953         {
 954                 VID_Shutdown();
 955                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
 956                 return false;
 957         }
 958
 959         qglGetString = GL_GetProcAddress("glGetString");
 960         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
 961         if (qglGetString == NULL)
 962         {
 963                 VID_Shutdown();
 964                 Con_Print("glGetString not found\n");
 965                 return false;
 966         }
 967         gl_renderer = qglGetString(GL_RENDERER);
 968         gl_vendor = qglGetString(GL_VENDOR);
 969         gl_version = qglGetString(GL_VERSION);
 970         gl_extensions = qglGetString(GL_EXTENSIONS);
 971         gl_platform = "WGL";
 972         gl_platformextensions = "";
 973
 974         gl_videosyncavailable = false;
 975
 976         if (qwglGetExtensionsStringARB)
 977                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 978
 979 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 980         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 981         //ReleaseDC(mainwindow, hdc);
 982
 983         GL_Init ();
 984
 985         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 986         if (strncasecmp(gl_vendor,"ATI",3)==0)
 987         {
 988                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 989                         isRagePro = true;
 990         }
 991         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 992                 isG200 = true;
 993
 994         //vid_menudrawfn = VID_MenuDraw;
 995         //vid_menukeyfn = VID_MenuKey;
 996         vid_usingmouse = false;
 997         vid_usingvsync = false;
 998         vid_hidden = false;
 999         vid_initialized = true;
1000
1001         IN_StartupMouse ();
1002         IN_StartupJoystick ();
1003
1004         return true;
1005 }
1006
1007 static void IN_Shutdown(void);
1008 void VID_Shutdown (void)
1009 {
1010         if(vid_initialized == false)
1011                 return;
1012
1013         VID_RestoreSystemGamma();
1014
1015         vid_initialized = false;
1016         IN_Shutdown();
1017         if (qwglMakeCurrent)
1018                 qwglMakeCurrent(NULL, NULL);
1019         if (baseRC && qwglDeleteContext)
1020                 qwglDeleteContext(baseRC);
1021         // close the library before we get rid of the window
1022         GL_CloseLibrary();
1023         if (baseDC && mainwindow)
1024                 ReleaseDC(mainwindow, baseDC);
1025         AppActivate(false, false);
1026         if (mainwindow)
1027                 DestroyWindow(mainwindow);
1028         mainwindow = 0;
1029         if (vid_isfullscreen)
1030                 ChangeDisplaySettings (NULL, 0);
1031         vid_isfullscreen = false;
1032 }
1033
1034
1035 /*
1036 ===========
1037 IN_Activate
1038 ===========
1039 */
1040 static void IN_Activate (qboolean grab)
1041 {
1042         if (!mouseinitialized)
1043                 return;
1044
1045         if (grab)
1046         {
1047                 mouseactivatetoggle = true;
1048                 if (dinput && g_pMouse)
1049                 {
1050                         IDirectInputDevice_Acquire(g_pMouse);
1051                         dinput_acquired = true;
1052                 }
1053                 else
1054                 {
1055                         RECT window_rect;
1056                         window_rect.left = window_x;
1057                         window_rect.top = window_y;
1058                         window_rect.right = window_x + window_width;
1059                         window_rect.bottom = window_y + window_height;
1060                         if (mouseparmsvalid)
1061                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1062                         SetCursorPos (window_center_x, window_center_y);
1063                         SetCapture (mainwindow);
1064                         ClipCursor (&window_rect);
1065                 }
1066                 vid_usingmouse = true;
1067                 ShowCursor (false);
1068         }
1069         else
1070         {
1071                 mouseactivatetoggle = false;
1072                 if (dinput_acquired)
1073                 {
1074                         IDirectInputDevice_Unacquire(g_pMouse);
1075                         dinput_acquired = false;
1076                 }
1077                 else
1078                 {
1079                         if (restore_spi)
1080                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1081                         ClipCursor (NULL);
1082                         ReleaseCapture ();
1083                 }
1084                 vid_usingmouse = false;
1085                 ShowCursor (true);
1086         }
1087 }
1088
1089
1090 /*
1091 ===========
1092 IN_InitDInput
1093 ===========
1094 */
1095 static qboolean IN_InitDInput (void)
1096 {
1097     HRESULT             hr;
1098         DIPROPDWORD     dipdw = {
1099                 {
1100                         sizeof(DIPROPDWORD),        // diph.dwSize
1101                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1102                         0,                          // diph.dwObj
1103                         DIPH_DEVICE,                // diph.dwHow
1104                 },
1105                 DINPUT_BUFFERSIZE,              // dwData
1106         };
1107
1108         if (!hInstDI)
1109         {
1110                 hInstDI = LoadLibrary("dinput.dll");
1111
1112                 if (hInstDI == NULL)
1113                 {
1114                         Con_Print("Couldn't load dinput.dll\n");
1115                         return false;
1116                 }
1117         }
1118
1119         if (!pDirectInputCreate)
1120         {
1121                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1122
1123                 if (!pDirectInputCreate)
1124                 {
1125                         Con_Print("Couldn't get DI proc addr\n");
1126                         return false;
1127                 }
1128         }
1129
1130 // register with DirectInput and get an IDirectInput to play with.
1131         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1132
1133         if (FAILED(hr))
1134         {
1135                 return false;
1136         }
1137
1138 // obtain an interface to the system mouse device.
1139         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1140
1141         if (FAILED(hr))
1142         {
1143                 Con_Print("Couldn't open DI mouse device\n");
1144                 return false;
1145         }
1146
1147 // set the data format to "mouse format".
1148         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1149
1150         if (FAILED(hr))
1151         {
1152                 Con_Print("Couldn't set DI mouse format\n");
1153                 return false;
1154         }
1155
1156 // set the cooperativity level.
1157         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1158                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1159
1160         if (FAILED(hr))
1161         {
1162                 Con_Print("Couldn't set DI coop level\n");
1163                 return false;
1164         }
1165
1166
1167 // set the buffer size to DINPUT_BUFFERSIZE elements.
1168 // the buffer size is a DWORD property associated with the device
1169         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1170
1171         if (FAILED(hr))
1172         {
1173                 Con_Print("Couldn't set DI buffersize\n");
1174                 return false;
1175         }
1176
1177         return true;
1178 }
1179
1180
1181 /*
1182 ===========
1183 IN_StartupMouse
1184 ===========
1185 */
1186 static void IN_StartupMouse (void)
1187 {
1188         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1189                 return;
1190
1191         mouseinitialized = true;
1192
1193 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1194         if (COM_CheckParm ("-dinput"))
1195                 dinput = IN_InitDInput ();
1196
1197         if (dinput)
1198                 Con_Print("DirectInput initialized\n");
1199         else
1200                 Con_Print("DirectInput not initialized\n");
1201
1202         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1203
1204         if (mouseparmsvalid)
1205         {
1206 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1207                 if ( COM_CheckParm ("-noforcemspd") )
1208                         newmouseparms[2] = originalmouseparms[2];
1209
1210 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1211                 if ( COM_CheckParm ("-noforcemaccel") )
1212                 {
1213                         newmouseparms[0] = originalmouseparms[0];
1214                         newmouseparms[1] = originalmouseparms[1];
1215                 }
1216
1217 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1218                 if ( COM_CheckParm ("-noforcemparms") )
1219                 {
1220                         newmouseparms[0] = originalmouseparms[0];
1221                         newmouseparms[1] = originalmouseparms[1];
1222                         newmouseparms[2] = originalmouseparms[2];
1223                 }
1224         }
1225
1226         mouse_buttons = 10;
1227
1228 // if a fullscreen video mode was set before the mouse was initialized,
1229 // set the mouse state appropriately
1230         if (mouseactivatetoggle)
1231                 IN_Activate (true);
1232 }
1233
1234
1235 /*
1236 ===========
1237 IN_MouseMove
1238 ===========
1239 */
1240 static void IN_MouseMove (void)
1241 {
1242         int i, mx, my;
1243         POINT current_pos;
1244
1245         if (!vid_usingmouse)
1246         {
1247                 //GetCursorPos (&current_pos);
1248                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1249                 return;
1250         }
1251
1252         if (dinput_acquired)
1253         {
1254                 DIDEVICEOBJECTDATA      od;
1255                 DWORD                           dwElements;
1256                 HRESULT                         hr;
1257                 mx = 0;
1258                 my = 0;
1259
1260                 for (;;)
1261                 {
1262                         dwElements = 1;
1263
1264                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1265                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1266
1267                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1268                         {
1269                                 IDirectInputDevice_Acquire(g_pMouse);
1270                                 break;
1271                         }
1272
1273                         /* Unable to read data or no data available */
1274                         if (FAILED(hr) || dwElements == 0)
1275                                 break;
1276
1277                         /* Look at the element to see what happened */
1278
1279                         switch (od.dwOfs)
1280                         {
1281                                 case DIMOFS_X:
1282                                         mx += od.dwData;
1283                                         break;
1284
1285                                 case DIMOFS_Y:
1286                                         my += od.dwData;
1287                                         break;
1288
1289                                 case DIMOFS_BUTTON0:
1290                                         if (od.dwData & 0x80)
1291                                                 mstate_di |= 1;
1292                                         else
1293                                                 mstate_di &= ~1;
1294                                         break;
1295
1296                                 case DIMOFS_BUTTON1:
1297                                         if (od.dwData & 0x80)
1298                                                 mstate_di |= (1<<1);
1299                                         else
1300                                                 mstate_di &= ~(1<<1);
1301                                         break;
1302
1303                                 case DIMOFS_BUTTON2:
1304                                         if (od.dwData & 0x80)
1305                                                 mstate_di |= (1<<2);
1306                                         else
1307                                                 mstate_di &= ~(1<<2);
1308                                         break;
1309                         }
1310                 }
1311
1312                 // perform button actions
1313                 for (i=0 ; i<mouse_buttons ; i++)
1314                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1315                                 Key_Event (K_MOUSE1 + i, 0, (mstate_di & (1<<i)) != 0);
1316                 mouse_oldbuttonstate = mstate_di;
1317
1318                 in_mouse_x = mx;
1319                 in_mouse_y = my;
1320         }
1321         else
1322         {
1323                 GetCursorPos (&current_pos);
1324                 mx = current_pos.x - window_center_x;
1325                 my = current_pos.y - window_center_y;
1326
1327                 in_mouse_x = mx;
1328                 in_mouse_y = my;
1329
1330                 // if the mouse has moved, force it to the center, so there's room to move
1331                 if (mx || my)
1332                         SetCursorPos (window_center_x, window_center_y);
1333         }
1334 }
1335
1336
1337 /*
1338 ===========
1339 IN_Move
1340 ===========
1341 */
1342 void IN_Move (void)
1343 {
1344         if (vid_activewindow && !vid_hidden)
1345         {
1346                 IN_MouseMove ();
1347                 IN_JoyMove ();
1348         }
1349 }
1350
1351
1352 /*
1353 ===============
1354 IN_StartupJoystick
1355 ===============
1356 */
1357 static void IN_StartupJoystick (void)
1358 {
1359         int                     numdevs;
1360         JOYCAPS         jc;
1361         MMRESULT        mmr;
1362         mmr = 0;
1363
1364         // assume no joystick
1365         joy_avail = false;
1366
1367         // abort startup if user requests no joystick
1368 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1369         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1370                 return;
1371
1372         // verify joystick driver is present
1373         if ((numdevs = joyGetNumDevs ()) == 0)
1374         {
1375                 Con_Print("\njoystick not found -- driver not present\n\n");
1376                 return;
1377         }
1378
1379         // cycle through the joystick ids for the first valid one
1380         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1381         {
1382                 memset (&ji, 0, sizeof(ji));
1383                 ji.dwSize = sizeof(ji);
1384                 ji.dwFlags = JOY_RETURNCENTERED;
1385
1386                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1387                         break;
1388         }
1389
1390         // abort startup if we didn't find a valid joystick
1391         if (mmr != JOYERR_NOERROR)
1392         {
1393                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1394                 return;
1395         }
1396
1397         // get the capabilities of the selected joystick
1398         // abort startup if command fails
1399         memset (&jc, 0, sizeof(jc));
1400         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1401         {
1402                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1403                 return;
1404         }
1405
1406         // save the joystick's number of buttons and POV status
1407         joy_numbuttons = jc.wNumButtons;
1408         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1409
1410         // old button and POV states default to no buttons pressed
1411         joy_oldbuttonstate = joy_oldpovstate = 0;
1412
1413         // mark the joystick as available and advanced initialization not completed
1414         // this is needed as cvars are not available during initialization
1415
1416         joy_avail = true;
1417         joy_advancedinit = false;
1418
1419         Con_Print("\njoystick detected\n\n");
1420 }
1421
1422
1423 /*
1424 ===========
1425 RawValuePointer
1426 ===========
1427 */
1428 static PDWORD RawValuePointer (int axis)
1429 {
1430         switch (axis)
1431         {
1432         case JOY_AXIS_X:
1433                 return &ji.dwXpos;
1434         case JOY_AXIS_Y:
1435                 return &ji.dwYpos;
1436         case JOY_AXIS_Z:
1437                 return &ji.dwZpos;
1438         case JOY_AXIS_R:
1439                 return &ji.dwRpos;
1440         case JOY_AXIS_U:
1441                 return &ji.dwUpos;
1442         case JOY_AXIS_V:
1443                 return &ji.dwVpos;
1444         }
1445         return NULL; // LordHavoc: hush compiler warning
1446 }
1447
1448
1449 /*
1450 ===========
1451 Joy_AdvancedUpdate_f
1452 ===========
1453 */
1454 static void Joy_AdvancedUpdate_f (void)
1455 {
1456
1457         // called once by IN_ReadJoystick and by user whenever an update is needed
1458         // cvars are now available
1459         int     i;
1460         DWORD dwTemp;
1461
1462         // initialize all the maps
1463         for (i = 0; i < JOY_MAX_AXES; i++)
1464         {
1465                 dwAxisMap[i] = AxisNada;
1466                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1467                 pdwRawValue[i] = RawValuePointer(i);
1468         }
1469
1470         if( joy_advanced.integer == 0)
1471         {
1472                 // default joystick initialization
1473                 // 2 axes only with joystick control
1474                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1475                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1476                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1477                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1478         }
1479         else
1480         {
1481                 if (strcmp (joy_name.string, "joystick") != 0)
1482                 {
1483                         // notify user of advanced controller
1484                         Con_Printf("\n%s configured\n\n", joy_name.string);
1485                 }
1486
1487                 // advanced initialization here
1488                 // data supplied by user via joy_axisn cvars
1489                 dwTemp = (DWORD) joy_advaxisx.value;
1490                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1491                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1492                 dwTemp = (DWORD) joy_advaxisy.value;
1493                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1494                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1495                 dwTemp = (DWORD) joy_advaxisz.value;
1496                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1497                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1498                 dwTemp = (DWORD) joy_advaxisr.value;
1499                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1500                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1501                 dwTemp = (DWORD) joy_advaxisu.value;
1502                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1503                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1504                 dwTemp = (DWORD) joy_advaxisv.value;
1505                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1506                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1507         }
1508
1509         // compute the axes to collect from DirectInput
1510         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1511         for (i = 0; i < JOY_MAX_AXES; i++)
1512         {
1513                 if (dwAxisMap[i] != AxisNada)
1514                 {
1515                         joy_flags |= dwAxisFlags[i];
1516                 }
1517         }
1518 }
1519
1520 /*
1521 ===============
1522 IN_ReadJoystick
1523 ===============
1524 */
1525 static qboolean IN_ReadJoystick (void)
1526 {
1527
1528         memset (&ji, 0, sizeof(ji));
1529         ji.dwSize = sizeof(ji);
1530         ji.dwFlags = joy_flags;
1531
1532         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1533         {
1534                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1535                 // rather than having 32768 be the zero point, they have the zero point at 32668
1536                 // go figure -- anyway, now we get the full resolution out of the device
1537                 if (joy_wwhack1.integer != 0.0)
1538                 {
1539                         ji.dwUpos += 100;
1540                 }
1541                 return true;
1542         }
1543         else
1544         {
1545                 // read error occurred
1546                 // turning off the joystick seems too harsh for 1 read error,
1547                 // but what should be done?
1548                 return false;
1549         }
1550 }
1551
1552
1553 /*
1554 ===========
1555 IN_JoyMove
1556 ===========
1557 */
1558 static void IN_JoyMove (void)
1559 {
1560         float   speed, aspeed;
1561         float   fAxisValue, fTemp;
1562         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1563
1564         // complete initialization if first time in
1565         // this is needed as cvars are not available at initialization time
1566         if( joy_advancedinit != true )
1567         {
1568                 Joy_AdvancedUpdate_f();
1569                 joy_advancedinit = true;
1570         }
1571
1572         if (joy_avail)
1573         {
1574                 int             i, key_index;
1575                 DWORD   buttonstate, povstate;
1576
1577                 // loop through the joystick buttons
1578                 // key a joystick event or auxillary event for higher number buttons for each state change
1579                 buttonstate = ji.dwButtons;
1580                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1581                 {
1582                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1583                         {
1584                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1585                                 Key_Event (key_index + i, 0, true);
1586                         }
1587
1588                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1589                         {
1590                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1591                                 Key_Event (key_index + i, 0, false);
1592                         }
1593                 }
1594                 joy_oldbuttonstate = buttonstate;
1595
1596                 if (joy_haspov)
1597                 {
1598                         // convert POV information into 4 bits of state information
1599                         // this avoids any potential problems related to moving from one
1600                         // direction to another without going through the center position
1601                         povstate = 0;
1602                         if(ji.dwPOV != JOY_POVCENTERED)
1603                         {
1604                                 if (ji.dwPOV == JOY_POVFORWARD)
1605                                         povstate |= 0x01;
1606                                 if (ji.dwPOV == JOY_POVRIGHT)
1607                                         povstate |= 0x02;
1608                                 if (ji.dwPOV == JOY_POVBACKWARD)
1609                                         povstate |= 0x04;
1610                                 if (ji.dwPOV == JOY_POVLEFT)
1611                                         povstate |= 0x08;
1612                         }
1613                         // determine which bits have changed and key an auxillary event for each change
1614                         for (i=0 ; i < 4 ; i++)
1615                         {
1616                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1617                                 {
1618                                         Key_Event (K_AUX29 + i, 0, true);
1619                                 }
1620
1621                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1622                                 {
1623                                         Key_Event (K_AUX29 + i, 0, false);
1624                                 }
1625                         }
1626                         joy_oldpovstate = povstate;
1627                 }
1628         }
1629
1630         // verify joystick is available and that the user wants to use it
1631         if (!joy_avail || !in_joystick.integer)
1632         {
1633                 return;
1634         }
1635
1636         // collect the joystick data, if possible
1637         if (IN_ReadJoystick () != true)
1638         {
1639                 return;
1640         }
1641
1642         if (in_speed.state & 1)
1643                 speed = cl_movespeedkey.value;
1644         else
1645                 speed = 1;
1646         // LordHavoc: viewzoom affects sensitivity for sniping
1647         aspeed = speed * host_realframetime * cl.viewzoom;
1648
1649         // loop through the axes
1650         for (i = 0; i < JOY_MAX_AXES; i++)
1651         {
1652                 // get the floating point zero-centered, potentially-inverted data for the current axis
1653                 fAxisValue = (float) *pdwRawValue[i];
1654                 // move centerpoint to zero
1655                 fAxisValue -= 32768.0;
1656
1657                 if (joy_wwhack2.integer != 0.0)
1658                 {
1659                         if (dwAxisMap[i] == AxisTurn)
1660                         {
1661                                 // this is a special formula for the Logitech WingMan Warrior
1662                                 // y=ax^b; where a = 300 and b = 1.3
1663                                 // also x values are in increments of 800 (so this is factored out)
1664                                 // then bounds check result to level out excessively high spin rates
1665                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1666                                 if (fTemp > 14000.0)
1667                                         fTemp = 14000.0;
1668                                 // restore direction information
1669                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1670                         }
1671                 }
1672
1673                 // convert range from -32768..32767 to -1..1
1674                 fAxisValue /= 32768.0;
1675
1676                 switch (dwAxisMap[i])
1677                 {
1678                 case AxisForward:
1679                         if ((joy_advanced.integer == 0) && mouselook)
1680                         {
1681                                 // user wants forward control to become look control
1682                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1683                                 {
1684                                         // if mouse invert is on, invert the joystick pitch value
1685                                         // only absolute control support here (joy_advanced is false)
1686                                         if (m_pitch.value < 0.0)
1687                                         {
1688                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1689                                         }
1690                                         else
1691                                         {
1692                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1693                                         }
1694                                         V_StopPitchDrift();
1695                                 }
1696                                 else
1697                                 {
1698                                         // no pitch movement
1699                                         // disable pitch return-to-center unless requested by user
1700                                         // *** this code can be removed when the lookspring bug is fixed
1701                                         // *** the bug always has the lookspring feature on
1702                                         if(lookspring.value == 0.0)
1703                                                 V_StopPitchDrift();
1704                                 }
1705                         }
1706                         else
1707                         {
1708                                 // user wants forward control to be forward control
1709                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1710                                 {
1711                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1712                                 }
1713                         }
1714                         break;
1715
1716                 case AxisSide:
1717                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1718                         {
1719                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1720                         }
1721                         break;
1722
1723                 case AxisTurn:
1724                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1725                         {
1726                                 // user wants turn control to become side control
1727                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1728                                 {
1729                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1730                                 }
1731                         }
1732                         else
1733                         {
1734                                 // user wants turn control to be turn control
1735                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1736                                 {
1737                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1738                                         {
1739                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1740                                         }
1741                                         else
1742                                         {
1743                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1744                                         }
1745
1746                                 }
1747                         }
1748                         break;
1749
1750                 case AxisLook:
1751                         if (mouselook)
1752                         {
1753                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1754                                 {
1755                                         // pitch movement detected and pitch movement desired by user
1756                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1757                                         {
1758                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1759                                         }
1760                                         else
1761                                         {
1762                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1763                                         }
1764                                         V_StopPitchDrift();
1765                                 }
1766                                 else
1767                                 {
1768                                         // no pitch movement
1769                                         // disable pitch return-to-center unless requested by user
1770                                         // *** this code can be removed when the lookspring bug is fixed
1771                                         // *** the bug always has the lookspring feature on
1772                                         if(lookspring.integer == 0)
1773                                                 V_StopPitchDrift();
1774                                 }
1775                         }
1776                         break;
1777
1778                 default:
1779                         break;
1780                 }
1781         }
1782 }
1783
1784 static void IN_Init(void)
1785 {
1786         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1787
1788         // joystick variables
1789         Cvar_RegisterVariable (&in_joystick);
1790         Cvar_RegisterVariable (&joy_name);
1791         Cvar_RegisterVariable (&joy_advanced);
1792         Cvar_RegisterVariable (&joy_advaxisx);
1793         Cvar_RegisterVariable (&joy_advaxisy);
1794         Cvar_RegisterVariable (&joy_advaxisz);
1795         Cvar_RegisterVariable (&joy_advaxisr);
1796         Cvar_RegisterVariable (&joy_advaxisu);
1797         Cvar_RegisterVariable (&joy_advaxisv);
1798         Cvar_RegisterVariable (&joy_forwardthreshold);
1799         Cvar_RegisterVariable (&joy_sidethreshold);
1800         Cvar_RegisterVariable (&joy_pitchthreshold);
1801         Cvar_RegisterVariable (&joy_yawthreshold);
1802         Cvar_RegisterVariable (&joy_forwardsensitivity);
1803         Cvar_RegisterVariable (&joy_sidesensitivity);
1804         Cvar_RegisterVariable (&joy_pitchsensitivity);
1805         Cvar_RegisterVariable (&joy_yawsensitivity);
1806         Cvar_RegisterVariable (&joy_wwhack1);
1807         Cvar_RegisterVariable (&joy_wwhack2);
1808         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1809 }
1810
1811 static void IN_Shutdown(void)
1812 {
1813         IN_Activate (false);
1814
1815         if (g_pMouse)
1816                 IDirectInputDevice_Release(g_pMouse);
1817         g_pMouse = NULL;
1818
1819         if (g_pdi)
1820                 IDirectInput_Release(g_pdi);
1821         g_pdi = NULL;
1822 }