vid_wgl.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // gl_vidnt.c -- NT GL vid component
  21
  22 // we don't need a very new dinput
  23 #define DIRECTINPUT_VERSION 0x0300
  24
  25 #include "quakedef.h"
  26 #include <windows.h>
  27 #include <dsound.h>
  28 #include "resource.h"
  29 #include <commctrl.h>
  30
  31 extern void S_BlockSound (void);
  32 extern void S_UnblockSound (void);
  33 extern HINSTANCE global_hInstance;
  34
  35
  36 #ifndef WM_MOUSEWHEEL
  37 #define WM_MOUSEWHEEL                   0x020A
  38 #endif
  39
  40 // Tell startup code that we have a client
  41 int cl_available = true;
  42
  43 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  44 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  45 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  46 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  47 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  48 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  49 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  50 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  51 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  52 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  53 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  54 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  55 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  56
  57 static dllfunction_t wglfuncs[] =
  58 {
  59         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  60         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  61 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  62         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  63         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  64         {"wglCreateContext", (void **) &qwglCreateContext},
  65         {"wglDeleteContext", (void **) &qwglDeleteContext},
  66         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  67         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  68         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  69         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  70         {NULL, NULL}
  71 };
  72
  73 static dllfunction_t wglswapintervalfuncs[] =
  74 {
  75         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  76         {NULL, NULL}
  77 };
  78
  79 static DEVMODE gdevmode;
  80 static qboolean vid_initialized = false;
  81 static qboolean vid_wassuspended = false;
  82 static qboolean vid_usingmouse = false;
  83 static qboolean vid_usingvsync = false;
  84 static qboolean vid_usevsync = false;
  85 static HICON hIcon;
  86
  87 // used by cd_win.c and snd_win.c
  88 HWND mainwindow;
  89
  90 static HDC       baseDC;
  91 static HGLRC baseRC;
  92
  93 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  94
  95 static qboolean vid_isfullscreen;
  96
  97 //void VID_MenuDraw (void);
  98 //void VID_MenuKey (int key);
  99
 100 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 101 //void AppActivate(BOOL fActive, BOOL minimize);
 102 //void ClearAllStates (void);
 103 //void VID_UpdateWindowStatus (void);
 104
 105 //====================================
 106
 107 static int window_x, window_y;
 108
 109 static void IN_Activate (qboolean grab);
 110
 111 static 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 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 122
 123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 124 /* backslash :: imouse explorer buttons */
 125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 126    MS's platform SDK, but we need them for compilation. . . */
 127 #ifndef WM_XBUTTONDOWN
 128    #define WM_XBUTTONDOWN      0x020B
 129    #define WM_XBUTTONUP      0x020C
 130 #endif
 131 #ifndef MK_XBUTTON1
 132    #define MK_XBUTTON1         0x0020
 133    #define MK_XBUTTON2         0x0040
 134 // LordHavoc: lets hope this allows more buttons in the future...
 135    #define MK_XBUTTON3         0x0080
 136    #define MK_XBUTTON4         0x0100
 137    #define MK_XBUTTON5         0x0200
 138    #define MK_XBUTTON6         0x0400
 139    #define MK_XBUTTON7         0x0800
 140 #endif
 141 /* :: backslash */
 142
 143 // mouse variables
 144 static int                      mouse_buttons;
 145 static int                      mouse_oldbuttonstate;
 146
 147 static qboolean restore_spi;
 148 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
 149
 150 static unsigned int uiWheelMessage;
 151 static qboolean mouseparmsvalid;
 152 static qboolean dinput_acquired;
 153
 154 static unsigned int             mstate_di;
 155
 156 // joystick defines and variables
 157 // where should defines be moved?
 158 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 159 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 160 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 161 #define JOY_AXIS_X                      0
 162 #define JOY_AXIS_Y                      1
 163 #define JOY_AXIS_Z                      2
 164 #define JOY_AXIS_R                      3
 165 #define JOY_AXIS_U                      4
 166 #define JOY_AXIS_V                      5
 167
 168 enum _ControlList
 169 {
 170         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 171 };
 172
 173 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 174 {
 175         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 176 };
 177
 178 static DWORD    dwAxisMap[JOY_MAX_AXES];
 179 static DWORD    dwControlMap[JOY_MAX_AXES];
 180 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 181
 182 // none of these cvars are saved over a session
 183 // this means that advanced controller configuration needs to be executed
 184 // each time.  this avoids any problems with getting back to a default usage
 185 // or when changing from one controller to another.  this way at least something
 186 // works.
 187 static cvar_t   in_joystick = {CVAR_SAVE, "joystick","0"};
 188 static cvar_t   joy_name = {0, "joyname", "joystick"};
 189 static cvar_t   joy_advanced = {0, "joyadvanced", "0"};
 190 static cvar_t   joy_advaxisx = {0, "joyadvaxisx", "0"};
 191 static cvar_t   joy_advaxisy = {0, "joyadvaxisy", "0"};
 192 static cvar_t   joy_advaxisz = {0, "joyadvaxisz", "0"};
 193 static cvar_t   joy_advaxisr = {0, "joyadvaxisr", "0"};
 194 static cvar_t   joy_advaxisu = {0, "joyadvaxisu", "0"};
 195 static cvar_t   joy_advaxisv = {0, "joyadvaxisv", "0"};
 196 static cvar_t   joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
 197 static cvar_t   joy_sidethreshold = {0, "joysidethreshold", "0.15"};
 198 static cvar_t   joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
 199 static cvar_t   joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
 200 static cvar_t   joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 201 static cvar_t   joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 202 static cvar_t   joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 203 static cvar_t   joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 204 static cvar_t   joy_wwhack1 = {0, "joywwhack1", "0.0"};
 205 static cvar_t   joy_wwhack2 = {0, "joywwhack2", "0.0"};
 206
 207 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 208 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 209
 210 static int                      joy_id;
 211 static DWORD            joy_flags;
 212 static DWORD            joy_numbuttons;
 213
 214 static LPDIRECTINPUT            g_pdi;
 215 static LPDIRECTINPUTDEVICE      g_pMouse;
 216
 217 static JOYINFOEX        ji;
 218
 219 static HINSTANCE hInstDI;
 220
 221 //static qboolean       dinput;
 222
 223 typedef struct MYDATA {
 224         LONG  lX;                   // X axis goes here
 225         LONG  lY;                   // Y axis goes here
 226         LONG  lZ;                   // Z axis goes here
 227         BYTE  bButtonA;             // One button goes here
 228         BYTE  bButtonB;             // Another button goes here
 229         BYTE  bButtonC;             // Another button goes here
 230         BYTE  bButtonD;             // Another button goes here
 231 } MYDATA;
 232
 233 static DIOBJECTDATAFORMAT rgodf[] = {
 234   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 235   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 236   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 237   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 238   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 239   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 240   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 241 };
 242
 243 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 244
 245 static DIDATAFORMAT     df = {
 246         sizeof(DIDATAFORMAT),       // this structure
 247         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 248         DIDF_RELAXIS,               // absolute axis coordinates
 249         sizeof(MYDATA),             // device data size
 250         NUM_OBJECTS,                // number of objects
 251         rgodf,                      // and here they are
 252 };
 253
 254 // forward-referenced functions
 255 static void IN_StartupJoystick (void);
 256 static void Joy_AdvancedUpdate_f (void);
 257 static void IN_JoyMove (void);
 258 static void IN_StartupMouse (void);
 259
 260
 261 //====================================
 262
 263 void VID_Finish (void)
 264 {
 265         qboolean vid_usemouse;
 266
 267         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 268         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 269         {
 270                 vid_usingvsync = vid_usevsync;
 271                 qwglSwapIntervalEXT (vid_usevsync);
 272         }
 273
 274 // handle the mouse state when windowed if that's changed
 275         vid_usemouse = false;
 276         if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
 277                 vid_usemouse = true;
 278         if (vid_isfullscreen)
 279                 vid_usemouse = true;
 280         if (!vid_activewindow)
 281                 vid_usemouse = false;
 282         IN_Activate(vid_usemouse);
 283
 284         if (r_render.integer && !vid_hidden)
 285         {
 286                 if (r_speeds.integer || gl_finish.integer)
 287                         qglFinish();
 288                 SwapBuffers(baseDC);
 289         }
 290 }
 291
 292 //==========================================================================
 293
 294
 295
 296
 297 static qbyte scantokey[128] =
 298 {
 299 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 300         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 301         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 302         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 303         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 304         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
 305         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 306         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 307         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 308 };
 309
 310
 311 /*
 312 =======
 313 MapKey
 314
 315 Map from windows to quake keynums
 316 =======
 317 */
 318 static int MapKey (int key, int virtualkey)
 319 {
 320         int result;
 321         int modified = (key >> 16) & 255;
 322         qboolean is_extended = false;
 323
 324         if (modified < 128 && scantokey[modified])
 325                 result = scantokey[modified];
 326         else
 327         {
 328                 result = 0;
 329                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 330         }
 331
 332         if (key & (1 << 24))
 333                 is_extended = true;
 334
 335         if ( !is_extended )
 336         {
 337                 switch ( result )
 338                 {
 339                 case K_HOME:
 340                         return K_KP_HOME;
 341                 case K_UPARROW:
 342                         return K_KP_UPARROW;
 343                 case K_PGUP:
 344                         return K_KP_PGUP;
 345                 case K_LEFTARROW:
 346                         return K_KP_LEFTARROW;
 347                 case K_RIGHTARROW:
 348                         return K_KP_RIGHTARROW;
 349                 case K_END:
 350                         return K_KP_END;
 351                 case K_DOWNARROW:
 352                         return K_KP_DOWNARROW;
 353                 case K_PGDN:
 354                         return K_KP_PGDN;
 355                 case K_INS:
 356                         return K_KP_INS;
 357                 case K_DEL:
 358                         return K_KP_DEL;
 359                 default:
 360                         return result;
 361                 }
 362         }
 363         else
 364         {
 365                 switch ( result )
 366                 {
 367                 case 0x0D:
 368                         return K_KP_ENTER;
 369                 case 0x2F:
 370                         return K_KP_SLASH;
 371                 case 0xAF:
 372                         return K_KP_PLUS;
 373                 }
 374                 return result;
 375         }
 376 }
 377
 378 /*
 379 ===================================================================
 380
 381 MAIN WINDOW
 382
 383 ===================================================================
 384 */
 385
 386 /*
 387 ================
 388 ClearAllStates
 389 ================
 390 */
 391 static void ClearAllStates (void)
 392 {
 393         Key_ClearStates ();
 394         if (vid_usingmouse)
 395                 mouse_oldbuttonstate = 0;
 396 }
 397
 398 void AppActivate(BOOL fActive, BOOL minimize)
 399 /****************************************************************************
 400 *
 401 * Function:     AppActivate
 402 * Parameters:   fActive - True if app is activating
 403 *
 404 * Description:  If the application is activating, then swap the system
 405 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 406 *               correctly.
 407 *
 408 ****************************************************************************/
 409 {
 410         static BOOL     sound_active;
 411
 412         vid_activewindow = fActive;
 413         vid_hidden = minimize;
 414
 415 // enable/disable sound on focus gain/loss
 416         if (!vid_activewindow && sound_active)
 417         {
 418                 S_BlockSound ();
 419                 sound_active = false;
 420         }
 421         else if (vid_activewindow && !sound_active)
 422         {
 423                 S_UnblockSound ();
 424                 sound_active = true;
 425         }
 426
 427         if (fActive)
 428         {
 429                 if (vid_isfullscreen)
 430                 {
 431                         if (vid_wassuspended)
 432                         {
 433                                 vid_wassuspended = false;
 434                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 435                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 436                         }
 437
 438                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 439                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 440                 }
 441         }
 442
 443         if (!fActive)
 444         {
 445                 IN_Activate (false);
 446                 if (vid_isfullscreen)
 447                 {
 448                         ChangeDisplaySettings (NULL, 0);
 449                         vid_wassuspended = true;
 450                 }
 451                 VID_RestoreSystemGamma();
 452         }
 453 }
 454
 455 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 456 void Sys_SendKeyEvents (void)
 457 {
 458         MSG msg;
 459
 460         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 461         {
 462                 if (!GetMessage (&msg, NULL, 0, 0))
 463                         Sys_Quit ();
 464
 465                 TranslateMessage (&msg);
 466                 DispatchMessage (&msg);
 467         }
 468 }
 469
 470 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 471
 472 /* main window procedure */
 473 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 474 {
 475         LONG    lRet = 1;
 476         int             fActive, fMinimized, temp;
 477         char    state[256];
 478         char    asciichar[4];
 479         int             vkey;
 480         int             charlength;
 481         qboolean down = false;
 482
 483         if ( uMsg == uiWheelMessage )
 484                 uMsg = WM_MOUSEWHEEL;
 485
 486         switch (uMsg)
 487         {
 488                 case WM_KILLFOCUS:
 489                         if (vid_isfullscreen)
 490                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 491                         break;
 492
 493                 case WM_CREATE:
 494                         break;
 495
 496                 case WM_MOVE:
 497                         window_x = (int) LOWORD(lParam);
 498                         window_y = (int) HIWORD(lParam);
 499                         IN_Activate(false);
 500                         break;
 501
 502                 case WM_KEYDOWN:
 503                 case WM_SYSKEYDOWN:
 504                         down = true;
 505                 case WM_KEYUP:
 506                 case WM_SYSKEYUP:
 507                         vkey = MapKey(lParam, wParam);
 508                         GetKeyboardState (state);
 509                         // alt/ctrl/shift tend to produce funky ToAscii values,
 510                         // and if it's not a single character we don't know care about it
 511                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
 512                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
 513                                 asciichar[0] = 0;
 514                         else if( charlength == 2 ) {
 515                                 asciichar[0] = asciichar[1];
 516                         }
 517                         Key_Event (vkey, asciichar[0], down);
 518                         break;
 519
 520                 case WM_SYSCHAR:
 521                 // keep Alt-Space from happening
 522                         break;
 523
 524         // this is complicated because Win32 seems to pack multiple mouse events into
 525         // one update sometimes, so we always check all states and look for events
 526                 case WM_LBUTTONDOWN:
 527                 case WM_LBUTTONUP:
 528                 case WM_RBUTTONDOWN:
 529                 case WM_RBUTTONUP:
 530                 case WM_MBUTTONDOWN:
 531                 case WM_MBUTTONUP:
 532                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 533                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 534                 case WM_MOUSEMOVE:
 535                         temp = 0;
 536
 537                         if (wParam & MK_LBUTTON)
 538                                 temp |= 1;
 539
 540                         if (wParam & MK_RBUTTON)
 541                                 temp |= 2;
 542
 543                         if (wParam & MK_MBUTTON)
 544                                 temp |= 4;
 545
 546                         /* backslash :: imouse explorer buttons */
 547                         if (wParam & MK_XBUTTON1)
 548                                 temp |= 8;
 549
 550                         if (wParam & MK_XBUTTON2)
 551                                 temp |= 16;
 552                         /* :: backslash */
 553
 554                         // LordHavoc: lets hope this allows more buttons in the future...
 555                         if (wParam & MK_XBUTTON3)
 556                                 temp |= 32;
 557                         if (wParam & MK_XBUTTON4)
 558                                 temp |= 64;
 559                         if (wParam & MK_XBUTTON5)
 560                                 temp |= 128;
 561                         if (wParam & MK_XBUTTON6)
 562                                 temp |= 256;
 563                         if (wParam & MK_XBUTTON7)
 564                                 temp |= 512;
 565
 566                         if (vid_usingmouse && !dinput_acquired)
 567                         {
 568                                 // perform button actions
 569                                 int i;
 570                                 for (i=0 ; i<mouse_buttons ; i++)
 571                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 572                                                 Key_Event (K_MOUSE1 + i, 0, (temp & (1<<i)) != 0);
 573                                 mouse_oldbuttonstate = temp;
 574                         }
 575
 576                         break;
 577
 578                 // JACK: This is the mouse wheel with the Intellimouse
 579                 // Its delta is either positive or neg, and we generate the proper
 580                 // Event.
 581                 case WM_MOUSEWHEEL:
 582                         if ((short) HIWORD(wParam) > 0) {
 583                                 Key_Event(K_MWHEELUP, 0, true);
 584                                 Key_Event(K_MWHEELUP, 0, false);
 585                         } else {
 586                                 Key_Event(K_MWHEELDOWN, 0, true);
 587                                 Key_Event(K_MWHEELDOWN, 0, false);
 588                         }
 589                         break;
 590
 591                 case WM_SIZE:
 592                         break;
 593
 594                 case WM_CLOSE:
 595                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 596                                 Sys_Quit ();
 597
 598                         break;
 599
 600                 case WM_ACTIVATE:
 601                         fActive = LOWORD(wParam);
 602                         fMinimized = (BOOL) HIWORD(wParam);
 603                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 604
 605                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 606                         ClearAllStates ();
 607
 608                         break;
 609
 610                 //case WM_DESTROY:
 611                 //      PostQuitMessage (0);
 612                 //      break;
 613
 614                 case MM_MCINOTIFY:
 615                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 616                         break;
 617
 618                 default:
 619                         /* pass all unhandled messages to DefWindowProc */
 620                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 621                 break;
 622         }
 623
 624         /* return 1 if handled message, 0 if not */
 625         return lRet;
 626 }
 627
 628 int VID_SetGamma(unsigned short *ramps)
 629 {
 630         HDC hdc = GetDC (NULL);
 631         int i = SetDeviceGammaRamp(hdc, ramps);
 632         ReleaseDC (NULL, hdc);
 633         return i; // return success or failure
 634 }
 635
 636 int VID_GetGamma(unsigned short *ramps)
 637 {
 638         HDC hdc = GetDC (NULL);
 639         int i = GetDeviceGammaRamp(hdc, ramps);
 640         ReleaseDC (NULL, hdc);
 641         return i; // return success or failure
 642 }
 643
 644 static HINSTANCE gldll;
 645
 646 static void GL_CloseLibrary(void)
 647 {
 648         FreeLibrary(gldll);
 649         gldll = 0;
 650         gl_driver[0] = 0;
 651         qwglGetProcAddress = NULL;
 652         gl_extensions = "";
 653         gl_platform = "";
 654         gl_platformextensions = "";
 655 }
 656
 657 static int GL_OpenLibrary(const char *name)
 658 {
 659         Con_Printf("Loading OpenGL driver %s\n", name);
 660         GL_CloseLibrary();
 661         if (!(gldll = LoadLibrary(name)))
 662         {
 663                 Con_Printf("Unable to LoadLibrary %s\n", name);
 664                 return false;
 665         }
 666         strcpy(gl_driver, name);
 667         return true;
 668 }
 669
 670 void *GL_GetProcAddress(const char *name)
 671 {
 672         void *p = NULL;
 673         if (qwglGetProcAddress != NULL)
 674                 p = (void *) qwglGetProcAddress(name);
 675         if (p == NULL)
 676                 p = (void *) GetProcAddress(gldll, name);
 677         return p;
 678 }
 679
 680 static void IN_Init(void);
 681 void VID_Init(void)
 682 {
 683         WNDCLASS wc;
 684
 685         InitCommonControls();
 686         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 687
 688         // Register the frame class
 689         wc.style         = 0;
 690         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 691         wc.cbClsExtra    = 0;
 692         wc.cbWndExtra    = 0;
 693         wc.hInstance     = global_hInstance;
 694         wc.hIcon         = hIcon;
 695         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 696         wc.hbrBackground = NULL;
 697         wc.lpszMenuName  = 0;
 698         wc.lpszClassName = "DarkPlacesWindowClass";
 699
 700         if (!RegisterClass (&wc))
 701                 Con_Printf ("Couldn't register window class\n");
 702
 703         IN_Init();
 704 }
 705
 706 int VID_InitMode (int fullscreen, int width, int height, int bpp)
 707 {
 708         int i;
 709         HDC hdc;
 710         RECT rect;
 711         MSG msg;
 712         PIXELFORMATDESCRIPTOR pfd =
 713         {
 714                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 715                 1,                              // version number
 716                 PFD_DRAW_TO_WINDOW              // support window
 717                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 718                 |  PFD_DOUBLEBUFFER ,   // double buffered
 719                 PFD_TYPE_RGBA,                  // RGBA type
 720                 24,                             // 24-bit color depth
 721                 0, 0, 0, 0, 0, 0,               // color bits ignored
 722                 0,                              // no alpha buffer
 723                 0,                              // shift bit ignored
 724                 0,                              // no accumulation buffer
 725                 0, 0, 0, 0,                     // accum bits ignored
 726                 32,                             // 32-bit z-buffer
 727                 0,                              // no stencil buffer
 728                 0,                              // no auxiliary buffer
 729                 PFD_MAIN_PLANE,                 // main layer
 730                 0,                              // reserved
 731                 0, 0, 0                         // layer masks ignored
 732         };
 733         int pixelformat;
 734         DWORD WindowStyle, ExWindowStyle;
 735         int CenterX, CenterY;
 736         const char *gldrivername;
 737         int depth;
 738
 739         if (vid_initialized)
 740                 Sys_Error("VID_InitMode called when video is already initialised\n");
 741
 742         // if stencil is enabled, ask for alpha too
 743         if (bpp >= 32)
 744         {
 745                 pfd.cStencilBits = 8;
 746                 pfd.cAlphaBits = 8;
 747         }
 748         else
 749         {
 750                 pfd.cStencilBits = 0;
 751                 pfd.cAlphaBits = 0;
 752         }
 753
 754         gldrivername = "opengl32.dll";
 755 // 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
 756         i = COM_CheckParm("-gl_driver");
 757         if (i && i < com_argc - 1)
 758                 gldrivername = com_argv[i + 1];
 759         if (!GL_OpenLibrary(gldrivername))
 760         {
 761                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 762                 return false;
 763         }
 764
 765         memset(&gdevmode, 0, sizeof(gdevmode));
 766
 767         vid_isfullscreen = false;
 768         if (fullscreen)
 769         {
 770                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 771                 gdevmode.dmBitsPerPel = bpp;
 772                 gdevmode.dmPelsWidth = width;
 773                 gdevmode.dmPelsHeight = height;
 774                 gdevmode.dmSize = sizeof (gdevmode);
 775                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 776                 {
 777                         VID_Shutdown();
 778                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 779                         return false;
 780                 }
 781
 782                 vid_isfullscreen = true;
 783                 WindowStyle = WS_POPUP;
 784                 ExWindowStyle = WS_EX_TOPMOST;
 785         }
 786         else
 787         {
 788                 hdc = GetDC (NULL);
 789                 i = GetDeviceCaps(hdc, RASTERCAPS);
 790                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 791                 ReleaseDC (NULL, hdc);
 792                 if (i & RC_PALETTE)
 793                 {
 794                         VID_Shutdown();
 795                         Con_Print("Can't run in non-RGB mode\n");
 796                         return false;
 797                 }
 798                 if (bpp > depth)
 799                 {
 800                         VID_Shutdown();
 801                         Con_Print("A higher desktop depth is required to run this video mode\n");
 802                         return false;
 803                 }
 804
 805                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 806                 ExWindowStyle = 0;
 807         }
 808
 809         rect.top = 0;
 810         rect.left = 0;
 811         rect.right = width;
 812         rect.bottom = height;
 813         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 814
 815         if (fullscreen)
 816         {
 817                 CenterX = 0;
 818                 CenterY = 0;
 819         }
 820         else
 821         {
 822                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 823                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 824         }
 825         CenterX = max(0, CenterX);
 826         CenterY = max(0, CenterY);
 827
 828         // x and y may be changed by WM_MOVE messages
 829         window_x = CenterX;
 830         window_y = CenterY;
 831         rect.left += CenterX;
 832         rect.right += CenterX;
 833         rect.top += CenterY;
 834         rect.bottom += CenterY;
 835
 836         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 837         if (!mainwindow)
 838         {
 839                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 840                 VID_Shutdown();
 841                 return false;
 842         }
 843
 844         /*
 845         if (!fullscreen)
 846                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 847         */
 848
 849         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 850         UpdateWindow (mainwindow);
 851
 852         // now we try to make sure we get the focus on the mode switch, because
 853         // sometimes in some systems we don't.  We grab the foreground, then
 854         // finish setting up, pump all our messages, and sleep for a little while
 855         // to let messages finish bouncing around the system, then we put
 856         // ourselves at the top of the z order, then grab the foreground again,
 857         // Who knows if it helps, but it probably doesn't hurt
 858         SetForegroundWindow (mainwindow);
 859
 860         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 861         {
 862                 TranslateMessage (&msg);
 863                 DispatchMessage (&msg);
 864         }
 865
 866         Sleep (100);
 867
 868         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 869
 870         SetForegroundWindow (mainwindow);
 871
 872         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 873         ClearAllStates ();
 874
 875         baseDC = GetDC(mainwindow);
 876
 877         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 878         {
 879                 VID_Shutdown();
 880                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
 881                 return false;
 882         }
 883
 884         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 885         {
 886                 VID_Shutdown();
 887                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
 888                 return false;
 889         }
 890
 891         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 892         {
 893                 VID_Shutdown();
 894                 Con_Print("wgl functions not found\n");
 895                 return false;
 896         }
 897
 898         baseRC = qwglCreateContext(baseDC);
 899         if (!baseRC)
 900         {
 901                 VID_Shutdown();
 902                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 903                 return false;
 904         }
 905         if (!qwglMakeCurrent(baseDC, baseRC))
 906         {
 907                 VID_Shutdown();
 908                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
 909                 return false;
 910         }
 911
 912         qglGetString = GL_GetProcAddress("glGetString");
 913         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
 914         if (qglGetString == NULL)
 915         {
 916                 VID_Shutdown();
 917                 Con_Print("glGetString not found\n");
 918                 return false;
 919         }
 920         gl_renderer = qglGetString(GL_RENDERER);
 921         gl_vendor = qglGetString(GL_VENDOR);
 922         gl_version = qglGetString(GL_VERSION);
 923         gl_extensions = qglGetString(GL_EXTENSIONS);
 924         gl_platform = "WGL";
 925         gl_platformextensions = "";
 926
 927         gl_videosyncavailable = false;
 928
 929         if (qwglGetExtensionsStringARB)
 930                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 931
 932 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 933         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 934         //ReleaseDC(mainwindow, hdc);
 935
 936         GL_Init ();
 937
 938         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 939         if (strncasecmp(gl_vendor,"ATI",3)==0)
 940         {
 941                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 942                         isRagePro = true;
 943         }
 944         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 945                 isG200 = true;
 946
 947         //vid_menudrawfn = VID_MenuDraw;
 948         //vid_menukeyfn = VID_MenuKey;
 949         vid_usingmouse = false;
 950         vid_usingvsync = false;
 951         vid_hidden = false;
 952         vid_initialized = true;
 953
 954         IN_StartupMouse ();
 955         IN_StartupJoystick ();
 956
 957         if (gl_videosyncavailable)
 958         {
 959                 vid_usevsync = vid_vsync.integer;
 960                 vid_usingvsync = vid_vsync.integer;
 961                 qwglSwapIntervalEXT (vid_usevsync);
 962         }
 963
 964         return true;
 965 }
 966
 967 static void IN_Shutdown(void);
 968 void VID_Shutdown (void)
 969 {
 970         if(vid_initialized == false)
 971                 return;
 972
 973         VID_RestoreSystemGamma();
 974
 975         vid_initialized = false;
 976         IN_Shutdown();
 977         if (qwglMakeCurrent)
 978                 qwglMakeCurrent(NULL, NULL);
 979         if (baseRC && qwglDeleteContext)
 980                 qwglDeleteContext(baseRC);
 981         // close the library before we get rid of the window
 982         GL_CloseLibrary();
 983         if (baseDC && mainwindow)
 984                 ReleaseDC(mainwindow, baseDC);
 985         AppActivate(false, false);
 986         if (mainwindow)
 987                 DestroyWindow(mainwindow);
 988         mainwindow = 0;
 989         if (vid_isfullscreen)
 990                 ChangeDisplaySettings (NULL, 0);
 991         vid_isfullscreen = false;
 992 }
 993
 994 static void IN_Activate (qboolean grab)
 995 {
 996         if (!mouseinitialized)
 997                 return;
 998
 999         if (grab)
1000         {
1001                 if (!vid_usingmouse)
1002                 {
1003                         vid_usingmouse = true;
1004                         cl_ignoremousemove = true;
1005                         if (dinput && g_pMouse)
1006                         {
1007                                 IDirectInputDevice_Acquire(g_pMouse);
1008                                 dinput_acquired = true;
1009                         }
1010                         else
1011                         {
1012                                 RECT window_rect;
1013                                 window_rect.left = window_x;
1014                                 window_rect.top = window_y;
1015                                 window_rect.right = window_x + vid.width;
1016                                 window_rect.bottom = window_y + vid.height;
1017                                 if (mouseparmsvalid)
1018                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1019                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1020                                 SetCapture (mainwindow);
1021                                 ClipCursor (&window_rect);
1022                         }
1023                         ShowCursor (false);
1024                 }
1025         }
1026         else
1027         {
1028                 if (vid_usingmouse)
1029                 {
1030                         vid_usingmouse = false;
1031                         cl_ignoremousemove = true;
1032                         if (dinput_acquired)
1033                         {
1034                                 IDirectInputDevice_Unacquire(g_pMouse);
1035                                 dinput_acquired = false;
1036                         }
1037                         else
1038                         {
1039                                 if (restore_spi)
1040                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1041                                 ClipCursor (NULL);
1042                                 ReleaseCapture ();
1043                         }
1044                         ShowCursor (true);
1045                 }
1046         }
1047 }
1048
1049
1050 /*
1051 ===========
1052 IN_InitDInput
1053 ===========
1054 */
1055 static qboolean IN_InitDInput (void)
1056 {
1057     HRESULT             hr;
1058         DIPROPDWORD     dipdw = {
1059                 {
1060                         sizeof(DIPROPDWORD),        // diph.dwSize
1061                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1062                         0,                          // diph.dwObj
1063                         DIPH_DEVICE,                // diph.dwHow
1064                 },
1065                 DINPUT_BUFFERSIZE,              // dwData
1066         };
1067
1068         if (!hInstDI)
1069         {
1070                 hInstDI = LoadLibrary("dinput.dll");
1071
1072                 if (hInstDI == NULL)
1073                 {
1074                         Con_Print("Couldn't load dinput.dll\n");
1075                         return false;
1076                 }
1077         }
1078
1079         if (!pDirectInputCreate)
1080         {
1081                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1082
1083                 if (!pDirectInputCreate)
1084                 {
1085                         Con_Print("Couldn't get DI proc addr\n");
1086                         return false;
1087                 }
1088         }
1089
1090 // register with DirectInput and get an IDirectInput to play with.
1091         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1092
1093         if (FAILED(hr))
1094         {
1095                 return false;
1096         }
1097
1098 // obtain an interface to the system mouse device.
1099         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1100
1101         if (FAILED(hr))
1102         {
1103                 Con_Print("Couldn't open DI mouse device\n");
1104                 return false;
1105         }
1106
1107 // set the data format to "mouse format".
1108         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1109
1110         if (FAILED(hr))
1111         {
1112                 Con_Print("Couldn't set DI mouse format\n");
1113                 return false;
1114         }
1115
1116 // set the cooperativity level.
1117         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1118                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1119
1120         if (FAILED(hr))
1121         {
1122                 Con_Print("Couldn't set DI coop level\n");
1123                 return false;
1124         }
1125
1126
1127 // set the buffer size to DINPUT_BUFFERSIZE elements.
1128 // the buffer size is a DWORD property associated with the device
1129         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1130
1131         if (FAILED(hr))
1132         {
1133                 Con_Print("Couldn't set DI buffersize\n");
1134                 return false;
1135         }
1136
1137         return true;
1138 }
1139
1140
1141 /*
1142 ===========
1143 IN_StartupMouse
1144 ===========
1145 */
1146 static void IN_StartupMouse (void)
1147 {
1148         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1149                 return;
1150
1151         mouseinitialized = true;
1152
1153 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1154         if (COM_CheckParm ("-dinput"))
1155                 dinput = IN_InitDInput ();
1156
1157         if (dinput)
1158                 Con_Print("DirectInput initialized\n");
1159         else
1160                 Con_Print("DirectInput not initialized\n");
1161
1162         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1163
1164         if (mouseparmsvalid)
1165         {
1166 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1167                 if ( COM_CheckParm ("-noforcemspd") )
1168                         newmouseparms[2] = originalmouseparms[2];
1169
1170 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1171                 if ( COM_CheckParm ("-noforcemaccel") )
1172                 {
1173                         newmouseparms[0] = originalmouseparms[0];
1174                         newmouseparms[1] = originalmouseparms[1];
1175                 }
1176
1177 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1178                 if ( COM_CheckParm ("-noforcemparms") )
1179                 {
1180                         newmouseparms[0] = originalmouseparms[0];
1181                         newmouseparms[1] = originalmouseparms[1];
1182                         newmouseparms[2] = originalmouseparms[2];
1183                 }
1184         }
1185
1186         mouse_buttons = 10;
1187 }
1188
1189
1190 /*
1191 ===========
1192 IN_MouseMove
1193 ===========
1194 */
1195 static void IN_MouseMove (void)
1196 {
1197         int i, mx, my;
1198         POINT current_pos;
1199
1200         if (!vid_usingmouse)
1201         {
1202                 //GetCursorPos (&current_pos);
1203                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1204                 return;
1205         }
1206
1207         if (dinput_acquired)
1208         {
1209                 DIDEVICEOBJECTDATA      od;
1210                 DWORD                           dwElements;
1211                 HRESULT                         hr;
1212                 mx = 0;
1213                 my = 0;
1214
1215                 for (;;)
1216                 {
1217                         dwElements = 1;
1218
1219                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1220                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1221
1222                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1223                         {
1224                                 IDirectInputDevice_Acquire(g_pMouse);
1225                                 break;
1226                         }
1227
1228                         /* Unable to read data or no data available */
1229                         if (FAILED(hr) || dwElements == 0)
1230                                 break;
1231
1232                         /* Look at the element to see what happened */
1233
1234                         switch (od.dwOfs)
1235                         {
1236                                 case DIMOFS_X:
1237                                         mx += od.dwData;
1238                                         break;
1239
1240                                 case DIMOFS_Y:
1241                                         my += od.dwData;
1242                                         break;
1243
1244                                 case DIMOFS_BUTTON0:
1245                                         if (od.dwData & 0x80)
1246                                                 mstate_di |= 1;
1247                                         else
1248                                                 mstate_di &= ~1;
1249                                         break;
1250
1251                                 case DIMOFS_BUTTON1:
1252                                         if (od.dwData & 0x80)
1253                                                 mstate_di |= (1<<1);
1254                                         else
1255                                                 mstate_di &= ~(1<<1);
1256                                         break;
1257
1258                                 case DIMOFS_BUTTON2:
1259                                         if (od.dwData & 0x80)
1260                                                 mstate_di |= (1<<2);
1261                                         else
1262                                                 mstate_di &= ~(1<<2);
1263                                         break;
1264                         }
1265                 }
1266
1267                 // perform button actions
1268                 for (i=0 ; i<mouse_buttons ; i++)
1269                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1270                                 Key_Event (K_MOUSE1 + i, 0, (mstate_di & (1<<i)) != 0);
1271                 mouse_oldbuttonstate = mstate_di;
1272
1273                 in_mouse_x = mx;
1274                 in_mouse_y = my;
1275         }
1276         else
1277         {
1278                 GetCursorPos (&current_pos);
1279                 mx = current_pos.x - (window_x + vid.width / 2);
1280                 my = current_pos.y - (window_y + vid.height / 2);
1281
1282                 in_mouse_x = mx;
1283                 in_mouse_y = my;
1284
1285                 // if the mouse has moved, force it to the center, so there's room to move
1286                 if (mx || my)
1287                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1288         }
1289 }
1290
1291
1292 /*
1293 ===========
1294 IN_Move
1295 ===========
1296 */
1297 void IN_Move (void)
1298 {
1299         if (vid_activewindow && !vid_hidden)
1300         {
1301                 IN_MouseMove ();
1302                 IN_JoyMove ();
1303         }
1304 }
1305
1306
1307 /*
1308 ===============
1309 IN_StartupJoystick
1310 ===============
1311 */
1312 static void IN_StartupJoystick (void)
1313 {
1314         int                     numdevs;
1315         JOYCAPS         jc;
1316         MMRESULT        mmr;
1317         mmr = 0;
1318
1319         // assume no joystick
1320         joy_avail = false;
1321
1322         // abort startup if user requests no joystick
1323 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1324         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1325                 return;
1326
1327         // verify joystick driver is present
1328         if ((numdevs = joyGetNumDevs ()) == 0)
1329         {
1330                 Con_Print("\njoystick not found -- driver not present\n\n");
1331                 return;
1332         }
1333
1334         // cycle through the joystick ids for the first valid one
1335         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1336         {
1337                 memset (&ji, 0, sizeof(ji));
1338                 ji.dwSize = sizeof(ji);
1339                 ji.dwFlags = JOY_RETURNCENTERED;
1340
1341                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1342                         break;
1343         }
1344
1345         // abort startup if we didn't find a valid joystick
1346         if (mmr != JOYERR_NOERROR)
1347         {
1348                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1349                 return;
1350         }
1351
1352         // get the capabilities of the selected joystick
1353         // abort startup if command fails
1354         memset (&jc, 0, sizeof(jc));
1355         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1356         {
1357                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1358                 return;
1359         }
1360
1361         // save the joystick's number of buttons and POV status
1362         joy_numbuttons = jc.wNumButtons;
1363         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1364
1365         // old button and POV states default to no buttons pressed
1366         joy_oldbuttonstate = joy_oldpovstate = 0;
1367
1368         // mark the joystick as available and advanced initialization not completed
1369         // this is needed as cvars are not available during initialization
1370
1371         joy_avail = true;
1372         joy_advancedinit = false;
1373
1374         Con_Print("\njoystick detected\n\n");
1375 }
1376
1377
1378 /*
1379 ===========
1380 RawValuePointer
1381 ===========
1382 */
1383 static PDWORD RawValuePointer (int axis)
1384 {
1385         switch (axis)
1386         {
1387         case JOY_AXIS_X:
1388                 return &ji.dwXpos;
1389         case JOY_AXIS_Y:
1390                 return &ji.dwYpos;
1391         case JOY_AXIS_Z:
1392                 return &ji.dwZpos;
1393         case JOY_AXIS_R:
1394                 return &ji.dwRpos;
1395         case JOY_AXIS_U:
1396                 return &ji.dwUpos;
1397         case JOY_AXIS_V:
1398                 return &ji.dwVpos;
1399         }
1400         return NULL; // LordHavoc: hush compiler warning
1401 }
1402
1403
1404 /*
1405 ===========
1406 Joy_AdvancedUpdate_f
1407 ===========
1408 */
1409 static void Joy_AdvancedUpdate_f (void)
1410 {
1411
1412         // called once by IN_ReadJoystick and by user whenever an update is needed
1413         // cvars are now available
1414         int     i;
1415         DWORD dwTemp;
1416
1417         // initialize all the maps
1418         for (i = 0; i < JOY_MAX_AXES; i++)
1419         {
1420                 dwAxisMap[i] = AxisNada;
1421                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1422                 pdwRawValue[i] = RawValuePointer(i);
1423         }
1424
1425         if( joy_advanced.integer == 0)
1426         {
1427                 // default joystick initialization
1428                 // 2 axes only with joystick control
1429                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1430                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1431                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1432                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1433         }
1434         else
1435         {
1436                 if (strcmp (joy_name.string, "joystick") != 0)
1437                 {
1438                         // notify user of advanced controller
1439                         Con_Printf("\n%s configured\n\n", joy_name.string);
1440                 }
1441
1442                 // advanced initialization here
1443                 // data supplied by user via joy_axisn cvars
1444                 dwTemp = (DWORD) joy_advaxisx.value;
1445                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1446                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1447                 dwTemp = (DWORD) joy_advaxisy.value;
1448                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1449                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1450                 dwTemp = (DWORD) joy_advaxisz.value;
1451                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1452                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1453                 dwTemp = (DWORD) joy_advaxisr.value;
1454                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1455                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1456                 dwTemp = (DWORD) joy_advaxisu.value;
1457                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1458                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1459                 dwTemp = (DWORD) joy_advaxisv.value;
1460                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1461                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1462         }
1463
1464         // compute the axes to collect from DirectInput
1465         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1466         for (i = 0; i < JOY_MAX_AXES; i++)
1467         {
1468                 if (dwAxisMap[i] != AxisNada)
1469                 {
1470                         joy_flags |= dwAxisFlags[i];
1471                 }
1472         }
1473 }
1474
1475 /*
1476 ===============
1477 IN_ReadJoystick
1478 ===============
1479 */
1480 static qboolean IN_ReadJoystick (void)
1481 {
1482
1483         memset (&ji, 0, sizeof(ji));
1484         ji.dwSize = sizeof(ji);
1485         ji.dwFlags = joy_flags;
1486
1487         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1488         {
1489                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1490                 // rather than having 32768 be the zero point, they have the zero point at 32668
1491                 // go figure -- anyway, now we get the full resolution out of the device
1492                 if (joy_wwhack1.integer != 0.0)
1493                 {
1494                         ji.dwUpos += 100;
1495                 }
1496                 return true;
1497         }
1498         else
1499         {
1500                 // read error occurred
1501                 // turning off the joystick seems too harsh for 1 read error,
1502                 // but what should be done?
1503                 return false;
1504         }
1505 }
1506
1507
1508 /*
1509 ===========
1510 IN_JoyMove
1511 ===========
1512 */
1513 static void IN_JoyMove (void)
1514 {
1515         float   speed, aspeed;
1516         float   fAxisValue, fTemp;
1517         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1518
1519         // complete initialization if first time in
1520         // this is needed as cvars are not available at initialization time
1521         if( joy_advancedinit != true )
1522         {
1523                 Joy_AdvancedUpdate_f();
1524                 joy_advancedinit = true;
1525         }
1526
1527         if (joy_avail)
1528         {
1529                 int             i, key_index;
1530                 DWORD   buttonstate, povstate;
1531
1532                 // loop through the joystick buttons
1533                 // key a joystick event or auxillary event for higher number buttons for each state change
1534                 buttonstate = ji.dwButtons;
1535                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1536                 {
1537                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1538                         {
1539                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1540                                 Key_Event (key_index + i, 0, true);
1541                         }
1542
1543                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1544                         {
1545                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1546                                 Key_Event (key_index + i, 0, false);
1547                         }
1548                 }
1549                 joy_oldbuttonstate = buttonstate;
1550
1551                 if (joy_haspov)
1552                 {
1553                         // convert POV information into 4 bits of state information
1554                         // this avoids any potential problems related to moving from one
1555                         // direction to another without going through the center position
1556                         povstate = 0;
1557                         if(ji.dwPOV != JOY_POVCENTERED)
1558                         {
1559                                 if (ji.dwPOV == JOY_POVFORWARD)
1560                                         povstate |= 0x01;
1561                                 if (ji.dwPOV == JOY_POVRIGHT)
1562                                         povstate |= 0x02;
1563                                 if (ji.dwPOV == JOY_POVBACKWARD)
1564                                         povstate |= 0x04;
1565                                 if (ji.dwPOV == JOY_POVLEFT)
1566                                         povstate |= 0x08;
1567                         }
1568                         // determine which bits have changed and key an auxillary event for each change
1569                         for (i=0 ; i < 4 ; i++)
1570                         {
1571                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1572                                 {
1573                                         Key_Event (K_AUX29 + i, 0, true);
1574                                 }
1575
1576                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1577                                 {
1578                                         Key_Event (K_AUX29 + i, 0, false);
1579                                 }
1580                         }
1581                         joy_oldpovstate = povstate;
1582                 }
1583         }
1584
1585         // verify joystick is available and that the user wants to use it
1586         if (!joy_avail || !in_joystick.integer)
1587         {
1588                 return;
1589         }
1590
1591         // collect the joystick data, if possible
1592         if (IN_ReadJoystick () != true)
1593         {
1594                 return;
1595         }
1596
1597         if (in_speed.state & 1)
1598                 speed = cl_movespeedkey.value;
1599         else
1600                 speed = 1;
1601         // LordHavoc: viewzoom affects sensitivity for sniping
1602         aspeed = speed * host_realframetime * cl.viewzoom;
1603
1604         // loop through the axes
1605         for (i = 0; i < JOY_MAX_AXES; i++)
1606         {
1607                 // get the floating point zero-centered, potentially-inverted data for the current axis
1608                 fAxisValue = (float) *pdwRawValue[i];
1609                 // move centerpoint to zero
1610                 fAxisValue -= 32768.0;
1611
1612                 if (joy_wwhack2.integer != 0.0)
1613                 {
1614                         if (dwAxisMap[i] == AxisTurn)
1615                         {
1616                                 // this is a special formula for the Logitech WingMan Warrior
1617                                 // y=ax^b; where a = 300 and b = 1.3
1618                                 // also x values are in increments of 800 (so this is factored out)
1619                                 // then bounds check result to level out excessively high spin rates
1620                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1621                                 if (fTemp > 14000.0)
1622                                         fTemp = 14000.0;
1623                                 // restore direction information
1624                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1625                         }
1626                 }
1627
1628                 // convert range from -32768..32767 to -1..1
1629                 fAxisValue /= 32768.0;
1630
1631                 switch (dwAxisMap[i])
1632                 {
1633                 case AxisForward:
1634                         if ((joy_advanced.integer == 0) && mouselook)
1635                         {
1636                                 // user wants forward control to become look control
1637                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1638                                 {
1639                                         // if mouse invert is on, invert the joystick pitch value
1640                                         // only absolute control support here (joy_advanced is false)
1641                                         if (m_pitch.value < 0.0)
1642                                         {
1643                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1644                                         }
1645                                         else
1646                                         {
1647                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1648                                         }
1649                                         V_StopPitchDrift();
1650                                 }
1651                                 else
1652                                 {
1653                                         // no pitch movement
1654                                         // disable pitch return-to-center unless requested by user
1655                                         // *** this code can be removed when the lookspring bug is fixed
1656                                         // *** the bug always has the lookspring feature on
1657                                         if(lookspring.value == 0.0)
1658                                                 V_StopPitchDrift();
1659                                 }
1660                         }
1661                         else
1662                         {
1663                                 // user wants forward control to be forward control
1664                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1665                                 {
1666                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1667                                 }
1668                         }
1669                         break;
1670
1671                 case AxisSide:
1672                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1673                         {
1674                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1675                         }
1676                         break;
1677
1678                 case AxisTurn:
1679                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1680                         {
1681                                 // user wants turn control to become side control
1682                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1683                                 {
1684                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1685                                 }
1686                         }
1687                         else
1688                         {
1689                                 // user wants turn control to be turn control
1690                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1691                                 {
1692                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1693                                         {
1694                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1695                                         }
1696                                         else
1697                                         {
1698                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1699                                         }
1700
1701                                 }
1702                         }
1703                         break;
1704
1705                 case AxisLook:
1706                         if (mouselook)
1707                         {
1708                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1709                                 {
1710                                         // pitch movement detected and pitch movement desired by user
1711                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1712                                         {
1713                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1714                                         }
1715                                         else
1716                                         {
1717                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1718                                         }
1719                                         V_StopPitchDrift();
1720                                 }
1721                                 else
1722                                 {
1723                                         // no pitch movement
1724                                         // disable pitch return-to-center unless requested by user
1725                                         // *** this code can be removed when the lookspring bug is fixed
1726                                         // *** the bug always has the lookspring feature on
1727                                         if(lookspring.integer == 0)
1728                                                 V_StopPitchDrift();
1729                                 }
1730                         }
1731                         break;
1732
1733                 default:
1734                         break;
1735                 }
1736         }
1737 }
1738
1739 static void IN_Init(void)
1740 {
1741         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1742
1743         // joystick variables
1744         Cvar_RegisterVariable (&in_joystick);
1745         Cvar_RegisterVariable (&joy_name);
1746         Cvar_RegisterVariable (&joy_advanced);
1747         Cvar_RegisterVariable (&joy_advaxisx);
1748         Cvar_RegisterVariable (&joy_advaxisy);
1749         Cvar_RegisterVariable (&joy_advaxisz);
1750         Cvar_RegisterVariable (&joy_advaxisr);
1751         Cvar_RegisterVariable (&joy_advaxisu);
1752         Cvar_RegisterVariable (&joy_advaxisv);
1753         Cvar_RegisterVariable (&joy_forwardthreshold);
1754         Cvar_RegisterVariable (&joy_sidethreshold);
1755         Cvar_RegisterVariable (&joy_pitchthreshold);
1756         Cvar_RegisterVariable (&joy_yawthreshold);
1757         Cvar_RegisterVariable (&joy_forwardsensitivity);
1758         Cvar_RegisterVariable (&joy_sidesensitivity);
1759         Cvar_RegisterVariable (&joy_pitchsensitivity);
1760         Cvar_RegisterVariable (&joy_yawsensitivity);
1761         Cvar_RegisterVariable (&joy_wwhack1);
1762         Cvar_RegisterVariable (&joy_wwhack2);
1763         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1764 }
1765
1766 static void IN_Shutdown(void)
1767 {
1768         IN_Activate (false);
1769
1770         if (g_pMouse)
1771                 IDirectInputDevice_Release(g_pMouse);
1772         g_pMouse = NULL;
1773
1774         if (g_pdi)
1775                 IDirectInput_Release(g_pdi);
1776         g_pdi = NULL;
1777 }