vid_wgl.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // gl_vidnt.c -- NT GL vid component
  21
  22 // we don't need a very new dinput
  23 #define DIRECTINPUT_VERSION 0x0300
  24
  25 #include "quakedef.h"
  26 #include <windows.h>
  27 #include <mmsystem.h>
  28 #include <dsound.h>
  29 #include "resource.h"
  30 #include <commctrl.h>
  31 #include <dinput.h>
  32
  33 extern HINSTANCE global_hInstance;
  34
  35
  36 #ifndef WM_MOUSEWHEEL
  37 #define WM_MOUSEWHEEL                   0x020A
  38 #endif
  39
  40 // Tell startup code that we have a client
  41 int cl_available = true;
  42
  43 qboolean vid_supportrefreshrate = true;
  44
  45 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  46 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  47 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  48 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  49 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  50 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  51 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  52 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  53 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  54 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  55 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  56 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  57 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  58
  59 static dllfunction_t wglfuncs[] =
  60 {
  61         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  62         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  63 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  64         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  65         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  66         {"wglCreateContext", (void **) &qwglCreateContext},
  67         {"wglDeleteContext", (void **) &qwglDeleteContext},
  68         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  69         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  70         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  71         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  72         {NULL, NULL}
  73 };
  74
  75 static dllfunction_t wglswapintervalfuncs[] =
  76 {
  77         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  78         {NULL, NULL}
  79 };
  80
  81 static DEVMODE gdevmode;
  82 static qboolean vid_initialized = false;
  83 static qboolean vid_wassuspended = false;
  84 static qboolean vid_usingmouse = false;
  85 static qboolean vid_usingvsync = false;
  86 static qboolean vid_usevsync = false;
  87 static HICON hIcon;
  88
  89 // used by cd_win.c and snd_win.c
  90 HWND mainwindow;
  91
  92 static HDC       baseDC;
  93 static HGLRC baseRC;
  94
  95 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  96
  97 static qboolean vid_isfullscreen;
  98
  99 //void VID_MenuDraw (void);
 100 //void VID_MenuKey (int key);
 101
 102 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 103 //void AppActivate(BOOL fActive, BOOL minimize);
 104 //void ClearAllStates (void);
 105 //void VID_UpdateWindowStatus (void);
 106
 107 //====================================
 108
 109 static int window_x, window_y;
 110
 111 static void IN_Activate (qboolean grab);
 112
 113 static qboolean mouseinitialized;
 114 static qboolean dinput;
 115
 116 // input code
 117
 118 #define DINPUT_BUFFERSIZE           16
 119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 120
 121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 122
 123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 124 /* backslash :: imouse explorer buttons */
 125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 126    MS's platform SDK, but we need them for compilation. . . */
 127 #ifndef WM_XBUTTONDOWN
 128    #define WM_XBUTTONDOWN      0x020B
 129    #define WM_XBUTTONUP      0x020C
 130 #endif
 131 #ifndef MK_XBUTTON1
 132    #define MK_XBUTTON1         0x0020
 133    #define MK_XBUTTON2         0x0040
 134 // 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 unsigned int uiWheelMessage;
 148 static qboolean dinput_acquired;
 149
 150 static unsigned int             mstate_di;
 151
 152 // joystick defines and variables
 153 // where should defines be moved?
 154 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 155 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 156 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 157 #define JOY_AXIS_X                      0
 158 #define JOY_AXIS_Y                      1
 159 #define JOY_AXIS_Z                      2
 160 #define JOY_AXIS_R                      3
 161 #define JOY_AXIS_U                      4
 162 #define JOY_AXIS_V                      5
 163
 164 enum _ControlList
 165 {
 166         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 167 };
 168
 169 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 170 {
 171         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 172 };
 173
 174 static DWORD    dwAxisMap[JOY_MAX_AXES];
 175 static DWORD    dwControlMap[JOY_MAX_AXES];
 176 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 177
 178 // none of these cvars are saved over a session
 179 // this means that advanced controller configuration needs to be executed
 180 // each time.  this avoids any problems with getting back to a default usage
 181 // or when changing from one controller to another.  this way at least something
 182 // works.
 183 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
 184 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
 185 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
 186 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
 187 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
 188 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
 189 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
 190 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
 191 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
 192 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
 193 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
 194 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
 195 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
 196 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
 197 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
 198 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
 199 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
 200 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
 201 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
 202
 203 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 204 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 205
 206 static int                      joy_id;
 207 static DWORD            joy_flags;
 208 static DWORD            joy_numbuttons;
 209
 210 static LPDIRECTINPUT            g_pdi;
 211 static LPDIRECTINPUTDEVICE      g_pMouse;
 212
 213 static JOYINFOEX        ji;
 214
 215 static HINSTANCE hInstDI;
 216
 217 // forward-referenced functions
 218 static void IN_StartupJoystick (void);
 219 static void Joy_AdvancedUpdate_f (void);
 220 static void IN_JoyMove (void);
 221 static void IN_StartupMouse (void);
 222
 223
 224 //====================================
 225
 226 void VID_Finish (qboolean allowmousegrab)
 227 {
 228         qboolean vid_usemouse;
 229
 230         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 231         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 232         {
 233                 vid_usingvsync = vid_usevsync;
 234                 qwglSwapIntervalEXT (vid_usevsync);
 235         }
 236
 237 // handle the mouse state when windowed if that's changed
 238         vid_usemouse = false;
 239         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
 240                 vid_usemouse = true;
 241         if (vid_isfullscreen)
 242                 vid_usemouse = true;
 243         if (!vid_activewindow)
 244                 vid_usemouse = false;
 245         IN_Activate(vid_usemouse);
 246
 247         if (r_render.integer && !vid_hidden)
 248         {
 249                 CHECKGLERROR
 250                 if (r_speeds.integer || gl_finish.integer)
 251                 {
 252                         qglFinish();CHECKGLERROR
 253                 }
 254                 SwapBuffers(baseDC);
 255         }
 256
 257         VID_UpdateGamma(false, 256);
 258 }
 259
 260 //==========================================================================
 261
 262
 263
 264
 265 static unsigned char scantokey[128] =
 266 {
 267 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 268         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 269         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 270         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 271         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 272         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
 273         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 274         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 275         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 276 };
 277
 278
 279 /*
 280 =======
 281 MapKey
 282
 283 Map from windows to quake keynums
 284 =======
 285 */
 286 static int MapKey (int key, int virtualkey)
 287 {
 288         int result;
 289         int modified = (key >> 16) & 255;
 290         qboolean is_extended = false;
 291
 292         if (modified < 128 && scantokey[modified])
 293                 result = scantokey[modified];
 294         else
 295         {
 296                 result = 0;
 297                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 298         }
 299
 300         if (key & (1 << 24))
 301                 is_extended = true;
 302
 303         if ( !is_extended )
 304         {
 305                 switch ( result )
 306                 {
 307                 case K_HOME:
 308                         return K_KP_HOME;
 309                 case K_UPARROW:
 310                         return K_KP_UPARROW;
 311                 case K_PGUP:
 312                         return K_KP_PGUP;
 313                 case K_LEFTARROW:
 314                         return K_KP_LEFTARROW;
 315                 case K_RIGHTARROW:
 316                         return K_KP_RIGHTARROW;
 317                 case K_END:
 318                         return K_KP_END;
 319                 case K_DOWNARROW:
 320                         return K_KP_DOWNARROW;
 321                 case K_PGDN:
 322                         return K_KP_PGDN;
 323                 case K_INS:
 324                         return K_KP_INS;
 325                 case K_DEL:
 326                         return K_KP_DEL;
 327                 default:
 328                         return result;
 329                 }
 330         }
 331         else
 332         {
 333                 switch ( result )
 334                 {
 335                 case 0x0D:
 336                         return K_KP_ENTER;
 337                 case 0x2F:
 338                         return K_KP_SLASH;
 339                 case 0xAF:
 340                         return K_KP_PLUS;
 341                 }
 342                 return result;
 343         }
 344 }
 345
 346 /*
 347 ===================================================================
 348
 349 MAIN WINDOW
 350
 351 ===================================================================
 352 */
 353
 354 /*
 355 ================
 356 ClearAllStates
 357 ================
 358 */
 359 static void ClearAllStates (void)
 360 {
 361         Key_ClearStates ();
 362         if (vid_usingmouse)
 363                 mouse_oldbuttonstate = 0;
 364 }
 365
 366 void AppActivate(BOOL fActive, BOOL minimize)
 367 /****************************************************************************
 368 *
 369 * Function:     AppActivate
 370 * Parameters:   fActive - True if app is activating
 371 *
 372 * Description:  If the application is activating, then swap the system
 373 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 374 *               correctly.
 375 *
 376 ****************************************************************************/
 377 {
 378         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
 379
 380         vid_activewindow = fActive;
 381         vid_hidden = minimize;
 382
 383 // enable/disable sound on focus gain/loss
 384         if (!vid_activewindow && sound_active)
 385         {
 386                 S_BlockSound ();
 387                 sound_active = false;
 388         }
 389         else if (vid_activewindow && !sound_active)
 390         {
 391                 S_UnblockSound ();
 392                 sound_active = true;
 393         }
 394
 395         if (fActive)
 396         {
 397                 if (vid_isfullscreen)
 398                 {
 399                         if (vid_wassuspended)
 400                         {
 401                                 vid_wassuspended = false;
 402                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 403                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 404                         }
 405
 406                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 407                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 408                 }
 409         }
 410
 411         if (!fActive)
 412         {
 413                 IN_Activate (false);
 414                 if (vid_isfullscreen)
 415                 {
 416                         ChangeDisplaySettings (NULL, 0);
 417                         vid_wassuspended = true;
 418                 }
 419                 VID_RestoreSystemGamma();
 420         }
 421 }
 422
 423 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 424 void Sys_SendKeyEvents (void)
 425 {
 426         MSG msg;
 427
 428         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 429         {
 430                 if (!GetMessage (&msg, NULL, 0, 0))
 431                         Sys_Quit (1);
 432
 433                 TranslateMessage (&msg);
 434                 DispatchMessage (&msg);
 435         }
 436 }
 437
 438 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 439
 440 static keynum_t buttonremap[16] =
 441 {
 442         K_MOUSE1,
 443         K_MOUSE2,
 444         K_MOUSE3,
 445         K_MOUSE4,
 446         K_MOUSE5,
 447         K_MOUSE6,
 448         K_MOUSE7,
 449         K_MOUSE8,
 450         K_MOUSE9,
 451         K_MOUSE10,
 452         K_MOUSE11,
 453         K_MOUSE12,
 454         K_MOUSE13,
 455         K_MOUSE14,
 456         K_MOUSE15,
 457         K_MOUSE16,
 458 };
 459
 460 /* main window procedure */
 461 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 462 {
 463         LONG    lRet = 1;
 464         int             fActive, fMinimized, temp;
 465         char    state[256];
 466         char    asciichar[4];
 467         int             vkey;
 468         int             charlength;
 469         qboolean down = false;
 470
 471         if ( uMsg == uiWheelMessage )
 472                 uMsg = WM_MOUSEWHEEL;
 473
 474         switch (uMsg)
 475         {
 476                 case WM_KILLFOCUS:
 477                         if (vid_isfullscreen)
 478                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 479                         break;
 480
 481                 case WM_CREATE:
 482                         break;
 483
 484                 case WM_MOVE:
 485                         window_x = (int) LOWORD(lParam);
 486                         window_y = (int) HIWORD(lParam);
 487                         IN_Activate(false);
 488                         break;
 489
 490                 case WM_KEYDOWN:
 491                 case WM_SYSKEYDOWN:
 492                         down = true;
 493                 case WM_KEYUP:
 494                 case WM_SYSKEYUP:
 495                         vkey = MapKey(lParam, wParam);
 496                         GetKeyboardState (state);
 497                         // alt/ctrl/shift tend to produce funky ToAscii values,
 498                         // and if it's not a single character we don't know care about it
 499                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
 500                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
 501                                 asciichar[0] = 0;
 502                         else if( charlength == 2 ) {
 503                                 asciichar[0] = asciichar[1];
 504                         }
 505                         Key_Event (vkey, asciichar[0], down);
 506                         break;
 507
 508                 case WM_SYSCHAR:
 509                 // keep Alt-Space from happening
 510                         break;
 511
 512         // this is complicated because Win32 seems to pack multiple mouse events into
 513         // one update sometimes, so we always check all states and look for events
 514                 case WM_LBUTTONDOWN:
 515                 case WM_LBUTTONUP:
 516                 case WM_RBUTTONDOWN:
 517                 case WM_RBUTTONUP:
 518                 case WM_MBUTTONDOWN:
 519                 case WM_MBUTTONUP:
 520                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 521                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 522                 case WM_MOUSEMOVE:
 523                         temp = 0;
 524
 525                         if (wParam & MK_LBUTTON)
 526                                 temp |= 1;
 527
 528                         if (wParam & MK_RBUTTON)
 529                                 temp |= 2;
 530
 531                         if (wParam & MK_MBUTTON)
 532                                 temp |= 4;
 533
 534                         /* backslash :: imouse explorer buttons */
 535                         if (wParam & MK_XBUTTON1)
 536                                 temp |= 8;
 537
 538                         if (wParam & MK_XBUTTON2)
 539                                 temp |= 16;
 540                         /* :: backslash */
 541
 542                         // LordHavoc: lets hope this allows more buttons in the future...
 543                         if (wParam & MK_XBUTTON3)
 544                                 temp |= 32;
 545                         if (wParam & MK_XBUTTON4)
 546                                 temp |= 64;
 547                         if (wParam & MK_XBUTTON5)
 548                                 temp |= 128;
 549                         if (wParam & MK_XBUTTON6)
 550                                 temp |= 256;
 551                         if (wParam & MK_XBUTTON7)
 552                                 temp |= 512;
 553
 554                         if (vid_usingmouse && !dinput_acquired)
 555                         {
 556                                 // perform button actions
 557                                 int i;
 558                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
 559                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 560                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
 561                                 mouse_oldbuttonstate = temp;
 562                         }
 563
 564                         break;
 565
 566                 // JACK: This is the mouse wheel with the Intellimouse
 567                 // Its delta is either positive or neg, and we generate the proper
 568                 // Event.
 569                 case WM_MOUSEWHEEL:
 570                         if ((short) HIWORD(wParam) > 0) {
 571                                 Key_Event(K_MWHEELUP, 0, true);
 572                                 Key_Event(K_MWHEELUP, 0, false);
 573                         } else {
 574                                 Key_Event(K_MWHEELDOWN, 0, true);
 575                                 Key_Event(K_MWHEELDOWN, 0, false);
 576                         }
 577                         break;
 578
 579                 case WM_SIZE:
 580                         break;
 581
 582                 case WM_CLOSE:
 583                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 584                                 Sys_Quit (0);
 585
 586                         break;
 587
 588                 case WM_ACTIVATE:
 589                         fActive = LOWORD(wParam);
 590                         fMinimized = (BOOL) HIWORD(wParam);
 591                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 592
 593                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 594                         ClearAllStates ();
 595
 596                         break;
 597
 598                 //case WM_DESTROY:
 599                 //      PostQuitMessage (0);
 600                 //      break;
 601
 602                 case MM_MCINOTIFY:
 603                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 604                         break;
 605
 606                 default:
 607                         /* pass all unhandled messages to DefWindowProc */
 608                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 609                 break;
 610         }
 611
 612         /* return 1 if handled message, 0 if not */
 613         return lRet;
 614 }
 615
 616 int VID_SetGamma(unsigned short *ramps, int rampsize)
 617 {
 618         HDC hdc = GetDC (NULL);
 619         int i = SetDeviceGammaRamp(hdc, ramps);
 620         ReleaseDC (NULL, hdc);
 621         return i; // return success or failure
 622 }
 623
 624 int VID_GetGamma(unsigned short *ramps, int rampsize)
 625 {
 626         HDC hdc = GetDC (NULL);
 627         int i = GetDeviceGammaRamp(hdc, ramps);
 628         ReleaseDC (NULL, hdc);
 629         return i; // return success or failure
 630 }
 631
 632 static HINSTANCE gldll;
 633
 634 static void GL_CloseLibrary(void)
 635 {
 636         FreeLibrary(gldll);
 637         gldll = 0;
 638         gl_driver[0] = 0;
 639         qwglGetProcAddress = NULL;
 640         gl_extensions = "";
 641         gl_platform = "";
 642         gl_platformextensions = "";
 643 }
 644
 645 static int GL_OpenLibrary(const char *name)
 646 {
 647         Con_Printf("Loading OpenGL driver %s\n", name);
 648         GL_CloseLibrary();
 649         if (!(gldll = LoadLibrary(name)))
 650         {
 651                 Con_Printf("Unable to LoadLibrary %s\n", name);
 652                 return false;
 653         }
 654         strlcpy(gl_driver, name, sizeof(gl_driver));
 655         return true;
 656 }
 657
 658 void *GL_GetProcAddress(const char *name)
 659 {
 660         void *p = NULL;
 661         if (qwglGetProcAddress != NULL)
 662                 p = (void *) qwglGetProcAddress(name);
 663         if (p == NULL)
 664                 p = (void *) GetProcAddress(gldll, name);
 665         return p;
 666 }
 667
 668 static void IN_Init(void);
 669 void VID_Init(void)
 670 {
 671         WNDCLASS wc;
 672
 673         InitCommonControls();
 674         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 675
 676         // Register the frame class
 677         wc.style         = 0;
 678         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 679         wc.cbClsExtra    = 0;
 680         wc.cbWndExtra    = 0;
 681         wc.hInstance     = global_hInstance;
 682         wc.hIcon         = hIcon;
 683         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 684         wc.hbrBackground = NULL;
 685         wc.lpszMenuName  = 0;
 686         wc.lpszClassName = "DarkPlacesWindowClass";
 687
 688         if (!RegisterClass (&wc))
 689                 Con_Printf ("Couldn't register window class\n");
 690
 691         IN_Init();
 692 }
 693
 694 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
 695 {
 696         int i;
 697         HDC hdc;
 698         RECT rect;
 699         MSG msg;
 700         PIXELFORMATDESCRIPTOR pfd =
 701         {
 702                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 703                 1,                              // version number
 704                 PFD_DRAW_TO_WINDOW              // support window
 705                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 706                 |  PFD_DOUBLEBUFFER ,   // double buffered
 707                 PFD_TYPE_RGBA,                  // RGBA type
 708                 24,                             // 24-bit color depth
 709                 0, 0, 0, 0, 0, 0,               // color bits ignored
 710                 0,                              // no alpha buffer
 711                 0,                              // shift bit ignored
 712                 0,                              // no accumulation buffer
 713                 0, 0, 0, 0,                     // accum bits ignored
 714                 32,                             // 32-bit z-buffer
 715                 0,                              // no stencil buffer
 716                 0,                              // no auxiliary buffer
 717                 PFD_MAIN_PLANE,                 // main layer
 718                 0,                              // reserved
 719                 0, 0, 0                         // layer masks ignored
 720         };
 721         int pixelformat;
 722         DWORD WindowStyle, ExWindowStyle;
 723         int CenterX, CenterY;
 724         const char *gldrivername;
 725         int depth;
 726
 727         if (vid_initialized)
 728                 Sys_Error("VID_InitMode called when video is already initialised");
 729
 730         // if stencil is enabled, ask for alpha too
 731         if (bpp >= 32)
 732         {
 733                 pfd.cStencilBits = 8;
 734                 pfd.cAlphaBits = 8;
 735         }
 736         else
 737         {
 738                 pfd.cStencilBits = 0;
 739                 pfd.cAlphaBits = 0;
 740         }
 741
 742         if (stereobuffer)
 743                 pfd.dwFlags |= PFD_STEREO;
 744
 745         gldrivername = "opengl32.dll";
 746 // 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
 747         i = COM_CheckParm("-gl_driver");
 748         if (i && i < com_argc - 1)
 749                 gldrivername = com_argv[i + 1];
 750         if (!GL_OpenLibrary(gldrivername))
 751         {
 752                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 753                 return false;
 754         }
 755
 756         memset(&gdevmode, 0, sizeof(gdevmode));
 757
 758         vid_isfullscreen = false;
 759         if (fullscreen)
 760         {
 761                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
 762                 gdevmode.dmBitsPerPel = bpp;
 763                 gdevmode.dmPelsWidth = width;
 764                 gdevmode.dmPelsHeight = height;
 765                 gdevmode.dmDisplayFrequency = refreshrate;
 766                 gdevmode.dmSize = sizeof (gdevmode);
 767                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 768                 {
 769                         VID_Shutdown();
 770                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 771                         return false;
 772                 }
 773
 774                 vid_isfullscreen = true;
 775                 WindowStyle = WS_POPUP;
 776                 ExWindowStyle = WS_EX_TOPMOST;
 777         }
 778         else
 779         {
 780                 hdc = GetDC (NULL);
 781                 i = GetDeviceCaps(hdc, RASTERCAPS);
 782                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 783                 ReleaseDC (NULL, hdc);
 784                 if (i & RC_PALETTE)
 785                 {
 786                         VID_Shutdown();
 787                         Con_Print("Can't run in non-RGB mode\n");
 788                         return false;
 789                 }
 790                 if (bpp > depth)
 791                 {
 792                         VID_Shutdown();
 793                         Con_Print("A higher desktop depth is required to run this video mode\n");
 794                         return false;
 795                 }
 796
 797                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 798                 ExWindowStyle = 0;
 799         }
 800
 801         rect.top = 0;
 802         rect.left = 0;
 803         rect.right = width;
 804         rect.bottom = height;
 805         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 806
 807         if (fullscreen)
 808         {
 809                 CenterX = 0;
 810                 CenterY = 0;
 811         }
 812         else
 813         {
 814                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 815                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 816         }
 817         CenterX = max(0, CenterX);
 818         CenterY = max(0, CenterY);
 819
 820         // x and y may be changed by WM_MOVE messages
 821         window_x = CenterX;
 822         window_y = CenterY;
 823         rect.left += CenterX;
 824         rect.right += CenterX;
 825         rect.top += CenterY;
 826         rect.bottom += CenterY;
 827
 828         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 829         if (!mainwindow)
 830         {
 831                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), NULL, NULL, (int)global_hInstance, NULL);
 832                 VID_Shutdown();
 833                 return false;
 834         }
 835
 836         /*
 837         if (!fullscreen)
 838                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 839         */
 840
 841         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 842         UpdateWindow (mainwindow);
 843
 844         // now we try to make sure we get the focus on the mode switch, because
 845         // sometimes in some systems we don't.  We grab the foreground, then
 846         // finish setting up, pump all our messages, and sleep for a little while
 847         // to let messages finish bouncing around the system, then we put
 848         // ourselves at the top of the z order, then grab the foreground again,
 849         // Who knows if it helps, but it probably doesn't hurt
 850         SetForegroundWindow (mainwindow);
 851
 852         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 853         {
 854                 TranslateMessage (&msg);
 855                 DispatchMessage (&msg);
 856         }
 857
 858         Sleep (100);
 859
 860         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 861
 862         SetForegroundWindow (mainwindow);
 863
 864         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 865         ClearAllStates ();
 866
 867         baseDC = GetDC(mainwindow);
 868
 869         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 870         {
 871                 VID_Shutdown();
 872                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
 873                 return false;
 874         }
 875
 876         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 877         {
 878                 VID_Shutdown();
 879                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
 880                 return false;
 881         }
 882
 883         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 884         {
 885                 VID_Shutdown();
 886                 Con_Print("wgl functions not found\n");
 887                 return false;
 888         }
 889
 890         baseRC = qwglCreateContext(baseDC);
 891         if (!baseRC)
 892         {
 893                 VID_Shutdown();
 894                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 895                 return false;
 896         }
 897         if (!qwglMakeCurrent(baseDC, baseRC))
 898         {
 899                 VID_Shutdown();
 900                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
 901                 return false;
 902         }
 903
 904         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 905         {
 906                 VID_Shutdown();
 907                 Con_Print("glGetString not found\n");
 908                 return false;
 909         }
 910         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
 911                 Con_Print("wglGetExtensionsStringARB not found\n");
 912         gl_renderer = qglGetString(GL_RENDERER);
 913         gl_vendor = qglGetString(GL_VENDOR);
 914         gl_version = qglGetString(GL_VERSION);
 915         gl_extensions = qglGetString(GL_EXTENSIONS);
 916         gl_platform = "WGL";
 917         gl_platformextensions = "";
 918
 919         gl_videosyncavailable = false;
 920
 921         if (qwglGetExtensionsStringARB)
 922                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 923
 924 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 925         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 926         //ReleaseDC(mainwindow, hdc);
 927
 928         GL_Init ();
 929
 930         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 931         if (strncasecmp(gl_vendor,"ATI",3)==0)
 932         {
 933                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 934                         isRagePro = true;
 935         }
 936         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 937                 isG200 = true;
 938
 939         //vid_menudrawfn = VID_MenuDraw;
 940         //vid_menukeyfn = VID_MenuKey;
 941         vid_usingmouse = false;
 942         vid_usingvsync = false;
 943         vid_hidden = false;
 944         vid_initialized = true;
 945
 946         IN_StartupMouse ();
 947         IN_StartupJoystick ();
 948
 949         if (gl_videosyncavailable)
 950         {
 951                 vid_usevsync = vid_vsync.integer;
 952                 vid_usingvsync = vid_vsync.integer;
 953                 qwglSwapIntervalEXT (vid_usevsync);
 954         }
 955
 956         return true;
 957 }
 958
 959 static void IN_Shutdown(void);
 960 void VID_Shutdown (void)
 961 {
 962         if(vid_initialized == false)
 963                 return;
 964
 965         VID_RestoreSystemGamma();
 966
 967         vid_initialized = false;
 968         IN_Shutdown();
 969         if (qwglMakeCurrent)
 970                 qwglMakeCurrent(NULL, NULL);
 971         if (baseRC && qwglDeleteContext)
 972                 qwglDeleteContext(baseRC);
 973         // close the library before we get rid of the window
 974         GL_CloseLibrary();
 975         if (baseDC && mainwindow)
 976                 ReleaseDC(mainwindow, baseDC);
 977         AppActivate(false, false);
 978         if (mainwindow)
 979                 DestroyWindow(mainwindow);
 980         mainwindow = 0;
 981         if (vid_isfullscreen)
 982                 ChangeDisplaySettings (NULL, 0);
 983         vid_isfullscreen = false;
 984 }
 985
 986 static void IN_Activate (qboolean grab)
 987 {
 988         static qboolean restore_spi;
 989         static int originalmouseparms[3];
 990
 991         if (!mouseinitialized)
 992                 return;
 993
 994         if (grab)
 995         {
 996                 if (!vid_usingmouse)
 997                 {
 998                         vid_usingmouse = true;
 999                         cl_ignoremousemove = true;
1000                         if (dinput && g_pMouse)
1001                         {
1002                                 IDirectInputDevice_Acquire(g_pMouse);
1003                                 dinput_acquired = true;
1004                         }
1005                         else
1006                         {
1007                                 RECT window_rect;
1008                                 window_rect.left = window_x;
1009                                 window_rect.top = window_y;
1010                                 window_rect.right = window_x + vid.width;
1011                                 window_rect.bottom = window_y + vid.height;
1012
1013                                 // change mouse settings to turn off acceleration
1014 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1015                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1016                                 {
1017                                         int newmouseparms[3];
1018                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1019                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1020                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1021                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1022                                 }
1023                                 else
1024                                         restore_spi = false;
1025                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1026
1027                                 SetCapture (mainwindow);
1028                                 ClipCursor (&window_rect);
1029                         }
1030                         ShowCursor (false);
1031                 }
1032         }
1033         else
1034         {
1035                 if (vid_usingmouse)
1036                 {
1037                         vid_usingmouse = false;
1038                         cl_ignoremousemove = true;
1039                         if (dinput_acquired)
1040                         {
1041                                 IDirectInputDevice_Unacquire(g_pMouse);
1042                                 dinput_acquired = false;
1043                         }
1044                         else
1045                         {
1046                                 // restore system mouseparms if we changed them
1047                                 if (restore_spi)
1048                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1049                                 restore_spi = false;
1050                                 ClipCursor (NULL);
1051                                 ReleaseCapture ();
1052                         }
1053                         ShowCursor (true);
1054                 }
1055         }
1056 }
1057
1058
1059 /*
1060 ===========
1061 IN_InitDInput
1062 ===========
1063 */
1064 static qboolean IN_InitDInput (void)
1065 {
1066     HRESULT             hr;
1067         DIPROPDWORD     dipdw = {
1068                 {
1069                         sizeof(DIPROPDWORD),        // diph.dwSize
1070                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1071                         0,                          // diph.dwObj
1072                         DIPH_DEVICE,                // diph.dwHow
1073                 },
1074                 DINPUT_BUFFERSIZE,              // dwData
1075         };
1076
1077         if (!hInstDI)
1078         {
1079                 hInstDI = LoadLibrary("dinput.dll");
1080
1081                 if (hInstDI == NULL)
1082                 {
1083                         Con_Print("Couldn't load dinput.dll\n");
1084                         return false;
1085                 }
1086         }
1087
1088         if (!pDirectInputCreate)
1089         {
1090                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1091
1092                 if (!pDirectInputCreate)
1093                 {
1094                         Con_Print("Couldn't get DI proc addr\n");
1095                         return false;
1096                 }
1097         }
1098
1099 // register with DirectInput and get an IDirectInput to play with.
1100         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1101
1102         if (FAILED(hr))
1103         {
1104                 return false;
1105         }
1106
1107 // obtain an interface to the system mouse device.
1108         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1109
1110         if (FAILED(hr))
1111         {
1112                 Con_Print("Couldn't open DI mouse device\n");
1113                 return false;
1114         }
1115
1116 // set the data format to "mouse format".
1117         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1118
1119         if (FAILED(hr))
1120         {
1121                 Con_Print("Couldn't set DI mouse format\n");
1122                 return false;
1123         }
1124
1125 // set the cooperativity level.
1126         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1127                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1128
1129         if (FAILED(hr))
1130         {
1131                 Con_Print("Couldn't set DI coop level\n");
1132                 return false;
1133         }
1134
1135
1136 // set the buffer size to DINPUT_BUFFERSIZE elements.
1137 // the buffer size is a DWORD property associated with the device
1138         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1139
1140         if (FAILED(hr))
1141         {
1142                 Con_Print("Couldn't set DI buffersize\n");
1143                 return false;
1144         }
1145
1146         return true;
1147 }
1148
1149
1150 /*
1151 ===========
1152 IN_StartupMouse
1153 ===========
1154 */
1155 static void IN_StartupMouse (void)
1156 {
1157         if (COM_CheckParm ("-nomouse"))
1158                 return;
1159
1160         mouseinitialized = true;
1161
1162 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1163         if (COM_CheckParm ("-dinput"))
1164                 dinput = IN_InitDInput ();
1165
1166         if (dinput)
1167                 Con_Print("DirectInput initialized\n");
1168         else
1169                 Con_Print("DirectInput not initialized\n");
1170
1171         mouse_buttons = 10;
1172 }
1173
1174
1175 /*
1176 ===========
1177 IN_MouseMove
1178 ===========
1179 */
1180 static void IN_MouseMove (void)
1181 {
1182         int i, mx, my;
1183         POINT current_pos;
1184
1185         if (!vid_usingmouse)
1186         {
1187                 //GetCursorPos (&current_pos);
1188                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1189                 return;
1190         }
1191
1192         if (dinput_acquired)
1193         {
1194                 DIDEVICEOBJECTDATA      od;
1195                 DWORD                           dwElements;
1196                 HRESULT                         hr;
1197                 mx = 0;
1198                 my = 0;
1199
1200                 for (;;)
1201                 {
1202                         dwElements = 1;
1203
1204                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1205                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1206
1207                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1208                         {
1209                                 IDirectInputDevice_Acquire(g_pMouse);
1210                                 break;
1211                         }
1212
1213                         /* Unable to read data or no data available */
1214                         if (FAILED(hr) || dwElements == 0)
1215                                 break;
1216
1217                         /* Look at the element to see what happened */
1218
1219                         switch (od.dwOfs)
1220                         {
1221                                 case DIMOFS_X:
1222                                         mx += (LONG) od.dwData;
1223                                         break;
1224
1225                                 case DIMOFS_Y:
1226                                         my += (LONG) od.dwData;
1227                                         break;
1228
1229                                 case DIMOFS_Z:
1230                                         if((LONG) od.dwData < 0)
1231                                         {
1232                                                 Key_Event (K_MWHEELDOWN, 0, true);
1233                                                 Key_Event (K_MWHEELDOWN, 0, false);
1234                                         }
1235                                         else if((LONG) od.dwData > 0)
1236                                         {
1237                                                 Key_Event (K_MWHEELUP, 0, true);
1238                                                 Key_Event (K_MWHEELUP, 0, false);
1239                                         }
1240                                         break;
1241
1242                                 case DIMOFS_BUTTON0:
1243                                         if (od.dwData & 0x80)
1244                                                 mstate_di |= 1;
1245                                         else
1246                                                 mstate_di &= ~1;
1247                                         break;
1248
1249                                 case DIMOFS_BUTTON1:
1250                                         if (od.dwData & 0x80)
1251                                                 mstate_di |= (1<<1);
1252                                         else
1253                                                 mstate_di &= ~(1<<1);
1254                                         break;
1255
1256                                 case DIMOFS_BUTTON2:
1257                                         if (od.dwData & 0x80)
1258                                                 mstate_di |= (1<<2);
1259                                         else
1260                                                 mstate_di &= ~(1<<2);
1261                                         break;
1262
1263                                 case DIMOFS_BUTTON3:
1264                                         if (od.dwData & 0x80)
1265                                                 mstate_di |= (1<<3);
1266                                         else
1267                                                 mstate_di &= ~(1<<3);
1268                                         break;
1269                         }
1270                 }
1271
1272                 // perform button actions
1273                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1274                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1275                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1276                 mouse_oldbuttonstate = mstate_di;
1277
1278                 in_mouse_x = mx;
1279                 in_mouse_y = my;
1280         }
1281         else
1282         {
1283                 GetCursorPos (&current_pos);
1284                 mx = current_pos.x - (window_x + vid.width / 2);
1285                 my = current_pos.y - (window_y + vid.height / 2);
1286
1287                 in_mouse_x = mx;
1288                 in_mouse_y = my;
1289
1290                 // if the mouse has moved, force it to the center, so there's room to move
1291                 if (!cl.csqc_wantsmousemove)
1292                 if (mx || my)
1293                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1294         }
1295 }
1296
1297
1298 /*
1299 ===========
1300 IN_Move
1301 ===========
1302 */
1303 void IN_Move (void)
1304 {
1305         if (vid_activewindow && !vid_hidden)
1306         {
1307                 IN_MouseMove ();
1308                 IN_JoyMove ();
1309         }
1310 }
1311
1312
1313 /*
1314 ===============
1315 IN_StartupJoystick
1316 ===============
1317 */
1318 static void IN_StartupJoystick (void)
1319 {
1320         int                     numdevs;
1321         JOYCAPS         jc;
1322         MMRESULT        mmr;
1323         mmr = 0;
1324
1325         // assume no joystick
1326         joy_avail = false;
1327
1328         // abort startup if user requests no joystick
1329 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1330         if (COM_CheckParm ("-nojoy"))
1331                 return;
1332
1333         // verify joystick driver is present
1334         if ((numdevs = joyGetNumDevs ()) == 0)
1335         {
1336                 Con_Print("\njoystick not found -- driver not present\n\n");
1337                 return;
1338         }
1339
1340         // cycle through the joystick ids for the first valid one
1341         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1342         {
1343                 memset (&ji, 0, sizeof(ji));
1344                 ji.dwSize = sizeof(ji);
1345                 ji.dwFlags = JOY_RETURNCENTERED;
1346
1347                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1348                         break;
1349         }
1350
1351         // abort startup if we didn't find a valid joystick
1352         if (mmr != JOYERR_NOERROR)
1353         {
1354                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1355                 return;
1356         }
1357
1358         // get the capabilities of the selected joystick
1359         // abort startup if command fails
1360         memset (&jc, 0, sizeof(jc));
1361         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1362         {
1363                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1364                 return;
1365         }
1366
1367         // save the joystick's number of buttons and POV status
1368         joy_numbuttons = jc.wNumButtons;
1369         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1370
1371         // old button and POV states default to no buttons pressed
1372         joy_oldbuttonstate = joy_oldpovstate = 0;
1373
1374         // mark the joystick as available and advanced initialization not completed
1375         // this is needed as cvars are not available during initialization
1376
1377         joy_avail = true;
1378         joy_advancedinit = false;
1379
1380         Con_Print("\njoystick detected\n\n");
1381 }
1382
1383
1384 /*
1385 ===========
1386 RawValuePointer
1387 ===========
1388 */
1389 static PDWORD RawValuePointer (int axis)
1390 {
1391         switch (axis)
1392         {
1393         case JOY_AXIS_X:
1394                 return &ji.dwXpos;
1395         case JOY_AXIS_Y:
1396                 return &ji.dwYpos;
1397         case JOY_AXIS_Z:
1398                 return &ji.dwZpos;
1399         case JOY_AXIS_R:
1400                 return &ji.dwRpos;
1401         case JOY_AXIS_U:
1402                 return &ji.dwUpos;
1403         case JOY_AXIS_V:
1404                 return &ji.dwVpos;
1405         }
1406         return NULL; // LordHavoc: hush compiler warning
1407 }
1408
1409
1410 /*
1411 ===========
1412 Joy_AdvancedUpdate_f
1413 ===========
1414 */
1415 static void Joy_AdvancedUpdate_f (void)
1416 {
1417
1418         // called once by IN_ReadJoystick and by user whenever an update is needed
1419         // cvars are now available
1420         int     i;
1421         DWORD dwTemp;
1422
1423         // initialize all the maps
1424         for (i = 0; i < JOY_MAX_AXES; i++)
1425         {
1426                 dwAxisMap[i] = AxisNada;
1427                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1428                 pdwRawValue[i] = RawValuePointer(i);
1429         }
1430
1431         if( joy_advanced.integer == 0)
1432         {
1433                 // default joystick initialization
1434                 // 2 axes only with joystick control
1435                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1436                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1437                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1438                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1439         }
1440         else
1441         {
1442                 if (strcmp (joy_name.string, "joystick") != 0)
1443                 {
1444                         // notify user of advanced controller
1445                         Con_Printf("\n%s configured\n\n", joy_name.string);
1446                 }
1447
1448                 // advanced initialization here
1449                 // data supplied by user via joy_axisn cvars
1450                 dwTemp = (DWORD) joy_advaxisx.value;
1451                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1452                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1453                 dwTemp = (DWORD) joy_advaxisy.value;
1454                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1455                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1456                 dwTemp = (DWORD) joy_advaxisz.value;
1457                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1458                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1459                 dwTemp = (DWORD) joy_advaxisr.value;
1460                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1461                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1462                 dwTemp = (DWORD) joy_advaxisu.value;
1463                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1464                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1465                 dwTemp = (DWORD) joy_advaxisv.value;
1466                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1467                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1468         }
1469
1470         // compute the axes to collect from DirectInput
1471         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1472         for (i = 0; i < JOY_MAX_AXES; i++)
1473         {
1474                 if (dwAxisMap[i] != AxisNada)
1475                 {
1476                         joy_flags |= dwAxisFlags[i];
1477                 }
1478         }
1479 }
1480
1481 /*
1482 ===============
1483 IN_ReadJoystick
1484 ===============
1485 */
1486 static qboolean IN_ReadJoystick (void)
1487 {
1488
1489         memset (&ji, 0, sizeof(ji));
1490         ji.dwSize = sizeof(ji);
1491         ji.dwFlags = joy_flags;
1492
1493         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1494         {
1495                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1496                 // rather than having 32768 be the zero point, they have the zero point at 32668
1497                 // go figure -- anyway, now we get the full resolution out of the device
1498                 if (joy_wwhack1.integer != 0.0)
1499                 {
1500                         ji.dwUpos += 100;
1501                 }
1502                 return true;
1503         }
1504         else
1505         {
1506                 // read error occurred
1507                 // turning off the joystick seems too harsh for 1 read error,
1508                 // but what should be done?
1509                 return false;
1510         }
1511 }
1512
1513
1514 /*
1515 ===========
1516 IN_JoyMove
1517 ===========
1518 */
1519 static void IN_JoyMove (void)
1520 {
1521         float   speed, aspeed;
1522         float   fAxisValue, fTemp;
1523         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1524
1525         // complete initialization if first time in
1526         // this is needed as cvars are not available at initialization time
1527         if( joy_advancedinit != true )
1528         {
1529                 Joy_AdvancedUpdate_f();
1530                 joy_advancedinit = true;
1531         }
1532
1533         if (joy_avail)
1534         {
1535                 int             i, key_index;
1536                 DWORD   buttonstate, povstate;
1537
1538                 // loop through the joystick buttons
1539                 // key a joystick event or auxillary event for higher number buttons for each state change
1540                 buttonstate = ji.dwButtons;
1541                 for (i=0 ; i < (int) joy_numbuttons ; i++)
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, true);
1547                         }
1548
1549                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1550                         {
1551                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1552                                 Key_Event (key_index + i, 0, false);
1553                         }
1554                 }
1555                 joy_oldbuttonstate = buttonstate;
1556
1557                 if (joy_haspov)
1558                 {
1559                         // convert POV information into 4 bits of state information
1560                         // this avoids any potential problems related to moving from one
1561                         // direction to another without going through the center position
1562                         povstate = 0;
1563                         if(ji.dwPOV != JOY_POVCENTERED)
1564                         {
1565                                 if (ji.dwPOV == JOY_POVFORWARD)
1566                                         povstate |= 0x01;
1567                                 if (ji.dwPOV == JOY_POVRIGHT)
1568                                         povstate |= 0x02;
1569                                 if (ji.dwPOV == JOY_POVBACKWARD)
1570                                         povstate |= 0x04;
1571                                 if (ji.dwPOV == JOY_POVLEFT)
1572                                         povstate |= 0x08;
1573                         }
1574                         // determine which bits have changed and key an auxillary event for each change
1575                         for (i=0 ; i < 4 ; i++)
1576                         {
1577                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1578                                 {
1579                                         Key_Event (K_AUX29 + i, 0, true);
1580                                 }
1581
1582                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1583                                 {
1584                                         Key_Event (K_AUX29 + i, 0, false);
1585                                 }
1586                         }
1587                         joy_oldpovstate = povstate;
1588                 }
1589         }
1590
1591         // verify joystick is available and that the user wants to use it
1592         if (!joy_avail || !in_joystick.integer)
1593         {
1594                 return;
1595         }
1596
1597         // collect the joystick data, if possible
1598         if (IN_ReadJoystick () != true)
1599         {
1600                 return;
1601         }
1602
1603         if (in_speed.state & 1)
1604                 speed = cl_movespeedkey.value;
1605         else
1606                 speed = 1;
1607         // LordHavoc: viewzoom affects sensitivity for sniping
1608         aspeed = speed * cl.realframetime * cl.viewzoom;
1609
1610         // loop through the axes
1611         for (i = 0; i < JOY_MAX_AXES; i++)
1612         {
1613                 // get the floating point zero-centered, potentially-inverted data for the current axis
1614                 fAxisValue = (float) *pdwRawValue[i];
1615                 // move centerpoint to zero
1616                 fAxisValue -= 32768.0;
1617
1618                 if (joy_wwhack2.integer != 0.0)
1619                 {
1620                         if (dwAxisMap[i] == AxisTurn)
1621                         {
1622                                 // this is a special formula for the Logitech WingMan Warrior
1623                                 // y=ax^b; where a = 300 and b = 1.3
1624                                 // also x values are in increments of 800 (so this is factored out)
1625                                 // then bounds check result to level out excessively high spin rates
1626                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1627                                 if (fTemp > 14000.0)
1628                                         fTemp = 14000.0;
1629                                 // restore direction information
1630                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1631                         }
1632                 }
1633
1634                 // convert range from -32768..32767 to -1..1
1635                 fAxisValue /= 32768.0;
1636
1637                 switch (dwAxisMap[i])
1638                 {
1639                 case AxisForward:
1640                         if ((joy_advanced.integer == 0) && mouselook)
1641                         {
1642                                 // user wants forward control to become look control
1643                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1644                                 {
1645                                         // if mouse invert is on, invert the joystick pitch value
1646                                         // only absolute control support here (joy_advanced is false)
1647                                         if (m_pitch.value < 0.0)
1648                                         {
1649                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1650                                         }
1651                                         else
1652                                         {
1653                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1654                                         }
1655                                         V_StopPitchDrift();
1656                                 }
1657                                 else
1658                                 {
1659                                         // no pitch movement
1660                                         // disable pitch return-to-center unless requested by user
1661                                         // *** this code can be removed when the lookspring bug is fixed
1662                                         // *** the bug always has the lookspring feature on
1663                                         if(lookspring.value == 0.0)
1664                                                 V_StopPitchDrift();
1665                                 }
1666                         }
1667                         else
1668                         {
1669                                 // user wants forward control to be forward control
1670                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1671                                 {
1672                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1673                                 }
1674                         }
1675                         break;
1676
1677                 case AxisSide:
1678                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1679                         {
1680                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1681                         }
1682                         break;
1683
1684                 case AxisTurn:
1685                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1686                         {
1687                                 // user wants turn control to become side control
1688                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1689                                 {
1690                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1691                                 }
1692                         }
1693                         else
1694                         {
1695                                 // user wants turn control to be turn control
1696                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1697                                 {
1698                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1699                                         {
1700                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1701                                         }
1702                                         else
1703                                         {
1704                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1705                                         }
1706
1707                                 }
1708                         }
1709                         break;
1710
1711                 case AxisLook:
1712                         if (mouselook)
1713                         {
1714                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1715                                 {
1716                                         // pitch movement detected and pitch movement desired by user
1717                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1718                                         {
1719                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1720                                         }
1721                                         else
1722                                         {
1723                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1724                                         }
1725                                         V_StopPitchDrift();
1726                                 }
1727                                 else
1728                                 {
1729                                         // no pitch movement
1730                                         // disable pitch return-to-center unless requested by user
1731                                         // *** this code can be removed when the lookspring bug is fixed
1732                                         // *** the bug always has the lookspring feature on
1733                                         if(lookspring.integer == 0)
1734                                                 V_StopPitchDrift();
1735                                 }
1736                         }
1737                         break;
1738
1739                 default:
1740                         break;
1741                 }
1742         }
1743 }
1744
1745 static void IN_Init(void)
1746 {
1747         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1748
1749         // joystick variables
1750         Cvar_RegisterVariable (&in_joystick);
1751         Cvar_RegisterVariable (&joy_name);
1752         Cvar_RegisterVariable (&joy_advanced);
1753         Cvar_RegisterVariable (&joy_advaxisx);
1754         Cvar_RegisterVariable (&joy_advaxisy);
1755         Cvar_RegisterVariable (&joy_advaxisz);
1756         Cvar_RegisterVariable (&joy_advaxisr);
1757         Cvar_RegisterVariable (&joy_advaxisu);
1758         Cvar_RegisterVariable (&joy_advaxisv);
1759         Cvar_RegisterVariable (&joy_forwardthreshold);
1760         Cvar_RegisterVariable (&joy_sidethreshold);
1761         Cvar_RegisterVariable (&joy_pitchthreshold);
1762         Cvar_RegisterVariable (&joy_yawthreshold);
1763         Cvar_RegisterVariable (&joy_forwardsensitivity);
1764         Cvar_RegisterVariable (&joy_sidesensitivity);
1765         Cvar_RegisterVariable (&joy_pitchsensitivity);
1766         Cvar_RegisterVariable (&joy_yawsensitivity);
1767         Cvar_RegisterVariable (&joy_wwhack1);
1768         Cvar_RegisterVariable (&joy_wwhack2);
1769         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1770 }
1771
1772 static void IN_Shutdown(void)
1773 {
1774         IN_Activate (false);
1775
1776         if (g_pMouse)
1777                 IDirectInputDevice_Release(g_pMouse);
1778         g_pMouse = NULL;
1779
1780         if (g_pdi)
1781                 IDirectInput_Release(g_pdi);
1782         g_pdi = NULL;
1783 }