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