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 void S_BlockSound (void);
  34 extern void S_UnblockSound (void);
  35 extern HINSTANCE global_hInstance;
  36
  37
  38 #ifndef WM_MOUSEWHEEL
  39 #define WM_MOUSEWHEEL                   0x020A
  40 #endif
  41
  42 // Tell startup code that we have a client
  43 int cl_available = true;
  44
  45 qboolean vid_supportrefreshrate = true;
  46
  47 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  48 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  49 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  50 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  51 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  52 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  53 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  54 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  55 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  56 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  57 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  58 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  59 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  60
  61 static dllfunction_t wglfuncs[] =
  62 {
  63         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  64         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  65 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  66         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  67         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  68         {"wglCreateContext", (void **) &qwglCreateContext},
  69         {"wglDeleteContext", (void **) &qwglDeleteContext},
  70         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  71         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  72         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  73         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  74         {NULL, NULL}
  75 };
  76
  77 static dllfunction_t wglswapintervalfuncs[] =
  78 {
  79         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  80         {NULL, NULL}
  81 };
  82
  83 static DEVMODE gdevmode;
  84 static qboolean vid_initialized = false;
  85 static qboolean vid_wassuspended = false;
  86 static qboolean vid_usingmouse = false;
  87 static qboolean vid_usingvsync = false;
  88 static qboolean vid_usevsync = false;
  89 static HICON hIcon;
  90
  91 // used by cd_win.c and snd_win.c
  92 HWND mainwindow;
  93
  94 static HDC       baseDC;
  95 static HGLRC baseRC;
  96
  97 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  98
  99 static qboolean vid_isfullscreen;
 100
 101 //void VID_MenuDraw (void);
 102 //void VID_MenuKey (int key);
 103
 104 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 105 //void AppActivate(BOOL fActive, BOOL minimize);
 106 //void ClearAllStates (void);
 107 //void VID_UpdateWindowStatus (void);
 108
 109 //====================================
 110
 111 static int window_x, window_y;
 112
 113 static void IN_Activate (qboolean grab);
 114
 115 static qboolean mouseinitialized;
 116 static qboolean dinput;
 117
 118 // input code
 119
 120 #define DINPUT_BUFFERSIZE           16
 121 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 122
 123 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 124
 125 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 126 /* backslash :: imouse explorer buttons */
 127 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 128    MS's platform SDK, but we need them for compilation. . . */
 129 #ifndef WM_XBUTTONDOWN
 130    #define WM_XBUTTONDOWN      0x020B
 131    #define WM_XBUTTONUP      0x020C
 132 #endif
 133 #ifndef MK_XBUTTON1
 134    #define MK_XBUTTON1         0x0020
 135    #define MK_XBUTTON2         0x0040
 136 // LordHavoc: lets hope this allows more buttons in the future...
 137    #define MK_XBUTTON3         0x0080
 138    #define MK_XBUTTON4         0x0100
 139    #define MK_XBUTTON5         0x0200
 140    #define MK_XBUTTON6         0x0400
 141    #define MK_XBUTTON7         0x0800
 142 #endif
 143 /* :: backslash */
 144
 145 // mouse variables
 146 static int                      mouse_buttons;
 147 static int                      mouse_oldbuttonstate;
 148
 149 static qboolean restore_spi;
 150 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 0};
 151
 152 static unsigned int uiWheelMessage;
 153 static qboolean mouseparmsvalid;
 154 static qboolean dinput_acquired;
 155
 156 static unsigned int             mstate_di;
 157
 158 // joystick defines and variables
 159 // where should defines be moved?
 160 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 161 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 162 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 163 #define JOY_AXIS_X                      0
 164 #define JOY_AXIS_Y                      1
 165 #define JOY_AXIS_Z                      2
 166 #define JOY_AXIS_R                      3
 167 #define JOY_AXIS_U                      4
 168 #define JOY_AXIS_V                      5
 169
 170 enum _ControlList
 171 {
 172         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 173 };
 174
 175 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 176 {
 177         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 178 };
 179
 180 static DWORD    dwAxisMap[JOY_MAX_AXES];
 181 static DWORD    dwControlMap[JOY_MAX_AXES];
 182 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 183
 184 // none of these cvars are saved over a session
 185 // this means that advanced controller configuration needs to be executed
 186 // each time.  this avoids any problems with getting back to a default usage
 187 // or when changing from one controller to another.  this way at least something
 188 // works.
 189 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
 190 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
 191 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
 192 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
 193 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
 194 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
 195 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
 196 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
 197 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
 198 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
 199 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
 200 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
 201 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
 202 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
 203 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
 204 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
 205 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
 206 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
 207 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
 208
 209 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 210 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 211
 212 static int                      joy_id;
 213 static DWORD            joy_flags;
 214 static DWORD            joy_numbuttons;
 215
 216 static LPDIRECTINPUT            g_pdi;
 217 static LPDIRECTINPUTDEVICE      g_pMouse;
 218
 219 static JOYINFOEX        ji;
 220
 221 static HINSTANCE hInstDI;
 222
 223 //static qboolean       dinput;
 224
 225 typedef struct MYDATA {
 226         LONG  lX;                   // X axis goes here
 227         LONG  lY;                   // Y axis goes here
 228         LONG  lZ;                   // Z axis goes here
 229         BYTE  bButtonA;             // One button goes here
 230         BYTE  bButtonB;             // Another button goes here
 231         BYTE  bButtonC;             // Another button goes here
 232         BYTE  bButtonD;             // Another button goes here
 233 } MYDATA;
 234
 235 static DIOBJECTDATAFORMAT rgodf[] = {
 236   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 237   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 238   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 239   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 240   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 241   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 242   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 243 };
 244
 245 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 246
 247 static DIDATAFORMAT     df = {
 248         sizeof(DIDATAFORMAT),       // this structure
 249         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 250         DIDF_RELAXIS,               // absolute axis coordinates
 251         sizeof(MYDATA),             // device data size
 252         NUM_OBJECTS,                // number of objects
 253         rgodf,                      // and here they are
 254 };
 255
 256 // forward-referenced functions
 257 static void IN_StartupJoystick (void);
 258 static void Joy_AdvancedUpdate_f (void);
 259 static void IN_JoyMove (void);
 260 static void IN_StartupMouse (void);
 261
 262
 263 //====================================
 264
 265 void VID_Finish (qboolean allowmousegrab)
 266 {
 267         qboolean vid_usemouse;
 268
 269         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 270         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 271         {
 272                 vid_usingvsync = vid_usevsync;
 273                 qwglSwapIntervalEXT (vid_usevsync);
 274         }
 275
 276 // handle the mouse state when windowed if that's changed
 277         vid_usemouse = false;
 278         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
 279                 vid_usemouse = true;
 280         if (vid_isfullscreen)
 281                 vid_usemouse = true;
 282         if (!vid_activewindow)
 283                 vid_usemouse = false;
 284         IN_Activate(vid_usemouse);
 285
 286         if (r_render.integer && !vid_hidden)
 287         {
 288                 CHECKGLERROR
 289                 if (r_speeds.integer || gl_finish.integer)
 290                 {
 291                         qglFinish();CHECKGLERROR
 292                 }
 293                 SwapBuffers(baseDC);
 294         }
 295
 296         VID_UpdateGamma(false, 256);
 297 }
 298
 299 //==========================================================================
 300
 301
 302
 303
 304 static unsigned char scantokey[128] =
 305 {
 306 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 307         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 308         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 309         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 310         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 311         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
 312         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 313         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 314         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 315 };
 316
 317
 318 /*
 319 =======
 320 MapKey
 321
 322 Map from windows to quake keynums
 323 =======
 324 */
 325 static int MapKey (int key, int virtualkey)
 326 {
 327         int result;
 328         int modified = (key >> 16) & 255;
 329         qboolean is_extended = false;
 330
 331         if (modified < 128 && scantokey[modified])
 332                 result = scantokey[modified];
 333         else
 334         {
 335                 result = 0;
 336                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 337         }
 338
 339         if (key & (1 << 24))
 340                 is_extended = true;
 341
 342         if ( !is_extended )
 343         {
 344                 switch ( result )
 345                 {
 346                 case K_HOME:
 347                         return K_KP_HOME;
 348                 case K_UPARROW:
 349                         return K_KP_UPARROW;
 350                 case K_PGUP:
 351                         return K_KP_PGUP;
 352                 case K_LEFTARROW:
 353                         return K_KP_LEFTARROW;
 354                 case K_RIGHTARROW:
 355                         return K_KP_RIGHTARROW;
 356                 case K_END:
 357                         return K_KP_END;
 358                 case K_DOWNARROW:
 359                         return K_KP_DOWNARROW;
 360                 case K_PGDN:
 361                         return K_KP_PGDN;
 362                 case K_INS:
 363                         return K_KP_INS;
 364                 case K_DEL:
 365                         return K_KP_DEL;
 366                 default:
 367                         return result;
 368                 }
 369         }
 370         else
 371         {
 372                 switch ( result )
 373                 {
 374                 case 0x0D:
 375                         return K_KP_ENTER;
 376                 case 0x2F:
 377                         return K_KP_SLASH;
 378                 case 0xAF:
 379                         return K_KP_PLUS;
 380                 }
 381                 return result;
 382         }
 383 }
 384
 385 /*
 386 ===================================================================
 387
 388 MAIN WINDOW
 389
 390 ===================================================================
 391 */
 392
 393 /*
 394 ================
 395 ClearAllStates
 396 ================
 397 */
 398 static void ClearAllStates (void)
 399 {
 400         Key_ClearStates ();
 401         if (vid_usingmouse)
 402                 mouse_oldbuttonstate = 0;
 403 }
 404
 405 void AppActivate(BOOL fActive, BOOL minimize)
 406 /****************************************************************************
 407 *
 408 * Function:     AppActivate
 409 * Parameters:   fActive - True if app is activating
 410 *
 411 * Description:  If the application is activating, then swap the system
 412 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 413 *               correctly.
 414 *
 415 ****************************************************************************/
 416 {
 417         static BOOL     sound_active;
 418
 419         vid_activewindow = fActive;
 420         vid_hidden = minimize;
 421
 422 // enable/disable sound on focus gain/loss
 423         if (!vid_activewindow && sound_active)
 424         {
 425                 S_BlockSound ();
 426                 sound_active = false;
 427         }
 428         else if (vid_activewindow && !sound_active)
 429         {
 430                 S_UnblockSound ();
 431                 sound_active = true;
 432         }
 433
 434         if (fActive)
 435         {
 436                 if (vid_isfullscreen)
 437                 {
 438                         if (vid_wassuspended)
 439                         {
 440                                 vid_wassuspended = false;
 441                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 442                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 443                         }
 444
 445                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 446                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 447                 }
 448         }
 449
 450         if (!fActive)
 451         {
 452                 IN_Activate (false);
 453                 if (vid_isfullscreen)
 454                 {
 455                         ChangeDisplaySettings (NULL, 0);
 456                         vid_wassuspended = true;
 457                 }
 458                 VID_RestoreSystemGamma();
 459         }
 460 }
 461
 462 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 463 void Sys_SendKeyEvents (void)
 464 {
 465         MSG msg;
 466
 467         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 468         {
 469                 if (!GetMessage (&msg, NULL, 0, 0))
 470                         Sys_Quit ();
 471
 472                 TranslateMessage (&msg);
 473                 DispatchMessage (&msg);
 474         }
 475 }
 476
 477 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 478
 479 static keynum_t buttonremap[16] =
 480 {
 481         K_MOUSE1,
 482         K_MOUSE2,
 483         K_MOUSE3,
 484         K_MOUSE4,
 485         K_MOUSE5,
 486         K_MOUSE6,
 487         K_MOUSE7,
 488         K_MOUSE8,
 489         K_MOUSE9,
 490         K_MOUSE10,
 491         K_MOUSE11,
 492         K_MOUSE12,
 493         K_MOUSE13,
 494         K_MOUSE14,
 495         K_MOUSE15,
 496         K_MOUSE16,
 497 };
 498
 499 /* main window procedure */
 500 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 501 {
 502         LONG    lRet = 1;
 503         int             fActive, fMinimized, temp;
 504         char    state[256];
 505         char    asciichar[4];
 506         int             vkey;
 507         int             charlength;
 508         qboolean down = false;
 509
 510         if ( uMsg == uiWheelMessage )
 511                 uMsg = WM_MOUSEWHEEL;
 512
 513         switch (uMsg)
 514         {
 515                 case WM_KILLFOCUS:
 516                         if (vid_isfullscreen)
 517                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 518                         break;
 519
 520                 case WM_CREATE:
 521                         break;
 522
 523                 case WM_MOVE:
 524                         window_x = (int) LOWORD(lParam);
 525                         window_y = (int) HIWORD(lParam);
 526                         IN_Activate(false);
 527                         break;
 528
 529                 case WM_KEYDOWN:
 530                 case WM_SYSKEYDOWN:
 531                         down = true;
 532                 case WM_KEYUP:
 533                 case WM_SYSKEYUP:
 534                         vkey = MapKey(lParam, wParam);
 535                         GetKeyboardState (state);
 536                         // alt/ctrl/shift tend to produce funky ToAscii values,
 537                         // and if it's not a single character we don't know care about it
 538                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
 539                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
 540                                 asciichar[0] = 0;
 541                         else if( charlength == 2 ) {
 542                                 asciichar[0] = asciichar[1];
 543                         }
 544                         Key_Event (vkey, asciichar[0], down);
 545                         break;
 546
 547                 case WM_SYSCHAR:
 548                 // keep Alt-Space from happening
 549                         break;
 550
 551         // this is complicated because Win32 seems to pack multiple mouse events into
 552         // one update sometimes, so we always check all states and look for events
 553                 case WM_LBUTTONDOWN:
 554                 case WM_LBUTTONUP:
 555                 case WM_RBUTTONDOWN:
 556                 case WM_RBUTTONUP:
 557                 case WM_MBUTTONDOWN:
 558                 case WM_MBUTTONUP:
 559                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 560                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 561                 case WM_MOUSEMOVE:
 562                         temp = 0;
 563
 564                         if (wParam & MK_LBUTTON)
 565                                 temp |= 1;
 566
 567                         if (wParam & MK_RBUTTON)
 568                                 temp |= 2;
 569
 570                         if (wParam & MK_MBUTTON)
 571                                 temp |= 4;
 572
 573                         /* backslash :: imouse explorer buttons */
 574                         if (wParam & MK_XBUTTON1)
 575                                 temp |= 8;
 576
 577                         if (wParam & MK_XBUTTON2)
 578                                 temp |= 16;
 579                         /* :: backslash */
 580
 581                         // LordHavoc: lets hope this allows more buttons in the future...
 582                         if (wParam & MK_XBUTTON3)
 583                                 temp |= 32;
 584                         if (wParam & MK_XBUTTON4)
 585                                 temp |= 64;
 586                         if (wParam & MK_XBUTTON5)
 587                                 temp |= 128;
 588                         if (wParam & MK_XBUTTON6)
 589                                 temp |= 256;
 590                         if (wParam & MK_XBUTTON7)
 591                                 temp |= 512;
 592
 593                         if (vid_usingmouse && !dinput_acquired)
 594                         {
 595                                 // perform button actions
 596                                 int i;
 597                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
 598                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 599                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
 600                                 mouse_oldbuttonstate = temp;
 601                         }
 602
 603                         break;
 604
 605                 // JACK: This is the mouse wheel with the Intellimouse
 606                 // Its delta is either positive or neg, and we generate the proper
 607                 // Event.
 608                 case WM_MOUSEWHEEL:
 609                         if ((short) HIWORD(wParam) > 0) {
 610                                 Key_Event(K_MWHEELUP, 0, true);
 611                                 Key_Event(K_MWHEELUP, 0, false);
 612                         } else {
 613                                 Key_Event(K_MWHEELDOWN, 0, true);
 614                                 Key_Event(K_MWHEELDOWN, 0, false);
 615                         }
 616                         break;
 617
 618                 case WM_SIZE:
 619                         break;
 620
 621                 case WM_CLOSE:
 622                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 623                                 Sys_Quit ();
 624
 625                         break;
 626
 627                 case WM_ACTIVATE:
 628                         fActive = LOWORD(wParam);
 629                         fMinimized = (BOOL) HIWORD(wParam);
 630                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 631
 632                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 633                         ClearAllStates ();
 634
 635                         break;
 636
 637                 //case WM_DESTROY:
 638                 //      PostQuitMessage (0);
 639                 //      break;
 640
 641                 case MM_MCINOTIFY:
 642                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 643                         break;
 644
 645                 default:
 646                         /* pass all unhandled messages to DefWindowProc */
 647                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 648                 break;
 649         }
 650
 651         /* return 1 if handled message, 0 if not */
 652         return lRet;
 653 }
 654
 655 int VID_SetGamma(unsigned short *ramps, int rampsize)
 656 {
 657         HDC hdc = GetDC (NULL);
 658         int i = SetDeviceGammaRamp(hdc, ramps);
 659         ReleaseDC (NULL, hdc);
 660         return i; // return success or failure
 661 }
 662
 663 int VID_GetGamma(unsigned short *ramps, int rampsize)
 664 {
 665         HDC hdc = GetDC (NULL);
 666         int i = GetDeviceGammaRamp(hdc, ramps);
 667         ReleaseDC (NULL, hdc);
 668         return i; // return success or failure
 669 }
 670
 671 static HINSTANCE gldll;
 672
 673 static void GL_CloseLibrary(void)
 674 {
 675         FreeLibrary(gldll);
 676         gldll = 0;
 677         gl_driver[0] = 0;
 678         qwglGetProcAddress = NULL;
 679         gl_extensions = "";
 680         gl_platform = "";
 681         gl_platformextensions = "";
 682 }
 683
 684 static int GL_OpenLibrary(const char *name)
 685 {
 686         Con_Printf("Loading OpenGL driver %s\n", name);
 687         GL_CloseLibrary();
 688         if (!(gldll = LoadLibrary(name)))
 689         {
 690                 Con_Printf("Unable to LoadLibrary %s\n", name);
 691                 return false;
 692         }
 693         strcpy(gl_driver, name);
 694         return true;
 695 }
 696
 697 void *GL_GetProcAddress(const char *name)
 698 {
 699         void *p = NULL;
 700         if (qwglGetProcAddress != NULL)
 701                 p = (void *) qwglGetProcAddress(name);
 702         if (p == NULL)
 703                 p = (void *) GetProcAddress(gldll, name);
 704         return p;
 705 }
 706
 707 static void IN_Init(void);
 708 void VID_Init(void)
 709 {
 710         WNDCLASS wc;
 711
 712         InitCommonControls();
 713         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 714
 715         // Register the frame class
 716         wc.style         = 0;
 717         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 718         wc.cbClsExtra    = 0;
 719         wc.cbWndExtra    = 0;
 720         wc.hInstance     = global_hInstance;
 721         wc.hIcon         = hIcon;
 722         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 723         wc.hbrBackground = NULL;
 724         wc.lpszMenuName  = 0;
 725         wc.lpszClassName = "DarkPlacesWindowClass";
 726
 727         if (!RegisterClass (&wc))
 728                 Con_Printf ("Couldn't register window class\n");
 729
 730         IN_Init();
 731 }
 732
 733 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate)
 734 {
 735         int i;
 736         HDC hdc;
 737         RECT rect;
 738         MSG msg;
 739         PIXELFORMATDESCRIPTOR pfd =
 740         {
 741                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 742                 1,                              // version number
 743                 PFD_DRAW_TO_WINDOW              // support window
 744                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 745                 |  PFD_DOUBLEBUFFER ,   // double buffered
 746                 PFD_TYPE_RGBA,                  // RGBA type
 747                 24,                             // 24-bit color depth
 748                 0, 0, 0, 0, 0, 0,               // color bits ignored
 749                 0,                              // no alpha buffer
 750                 0,                              // shift bit ignored
 751                 0,                              // no accumulation buffer
 752                 0, 0, 0, 0,                     // accum bits ignored
 753                 32,                             // 32-bit z-buffer
 754                 0,                              // no stencil buffer
 755                 0,                              // no auxiliary buffer
 756                 PFD_MAIN_PLANE,                 // main layer
 757                 0,                              // reserved
 758                 0, 0, 0                         // layer masks ignored
 759         };
 760         int pixelformat;
 761         DWORD WindowStyle, ExWindowStyle;
 762         int CenterX, CenterY;
 763         const char *gldrivername;
 764         int depth;
 765
 766         if (vid_initialized)
 767                 Sys_Error("VID_InitMode called when video is already initialised");
 768
 769         // if stencil is enabled, ask for alpha too
 770         if (bpp >= 32)
 771         {
 772                 pfd.cStencilBits = 8;
 773                 pfd.cAlphaBits = 8;
 774         }
 775         else
 776         {
 777                 pfd.cStencilBits = 0;
 778                 pfd.cAlphaBits = 0;
 779         }
 780
 781         gldrivername = "opengl32.dll";
 782 // 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
 783         i = COM_CheckParm("-gl_driver");
 784         if (i && i < com_argc - 1)
 785                 gldrivername = com_argv[i + 1];
 786         if (!GL_OpenLibrary(gldrivername))
 787         {
 788                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 789                 return false;
 790         }
 791
 792         memset(&gdevmode, 0, sizeof(gdevmode));
 793
 794         vid_isfullscreen = false;
 795         if (fullscreen)
 796         {
 797                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
 798                 gdevmode.dmBitsPerPel = bpp;
 799                 gdevmode.dmPelsWidth = width;
 800                 gdevmode.dmPelsHeight = height;
 801                 gdevmode.dmDisplayFrequency = refreshrate;
 802                 gdevmode.dmSize = sizeof (gdevmode);
 803                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 804                 {
 805                         VID_Shutdown();
 806                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 807                         return false;
 808                 }
 809
 810                 vid_isfullscreen = true;
 811                 WindowStyle = WS_POPUP;
 812                 ExWindowStyle = WS_EX_TOPMOST;
 813         }
 814         else
 815         {
 816                 hdc = GetDC (NULL);
 817                 i = GetDeviceCaps(hdc, RASTERCAPS);
 818                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 819                 ReleaseDC (NULL, hdc);
 820                 if (i & RC_PALETTE)
 821                 {
 822                         VID_Shutdown();
 823                         Con_Print("Can't run in non-RGB mode\n");
 824                         return false;
 825                 }
 826                 if (bpp > depth)
 827                 {
 828                         VID_Shutdown();
 829                         Con_Print("A higher desktop depth is required to run this video mode\n");
 830                         return false;
 831                 }
 832
 833                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 834                 ExWindowStyle = 0;
 835         }
 836
 837         rect.top = 0;
 838         rect.left = 0;
 839         rect.right = width;
 840         rect.bottom = height;
 841         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 842
 843         if (fullscreen)
 844         {
 845                 CenterX = 0;
 846                 CenterY = 0;
 847         }
 848         else
 849         {
 850                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 851                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 852         }
 853         CenterX = max(0, CenterX);
 854         CenterY = max(0, CenterY);
 855
 856         // x and y may be changed by WM_MOVE messages
 857         window_x = CenterX;
 858         window_y = CenterY;
 859         rect.left += CenterX;
 860         rect.right += CenterX;
 861         rect.top += CenterY;
 862         rect.bottom += CenterY;
 863
 864         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 865         if (!mainwindow)
 866         {
 867                 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);
 868                 VID_Shutdown();
 869                 return false;
 870         }
 871
 872         /*
 873         if (!fullscreen)
 874                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 875         */
 876
 877         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 878         UpdateWindow (mainwindow);
 879
 880         // now we try to make sure we get the focus on the mode switch, because
 881         // sometimes in some systems we don't.  We grab the foreground, then
 882         // finish setting up, pump all our messages, and sleep for a little while
 883         // to let messages finish bouncing around the system, then we put
 884         // ourselves at the top of the z order, then grab the foreground again,
 885         // Who knows if it helps, but it probably doesn't hurt
 886         SetForegroundWindow (mainwindow);
 887
 888         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 889         {
 890                 TranslateMessage (&msg);
 891                 DispatchMessage (&msg);
 892         }
 893
 894         Sleep (100);
 895
 896         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 897
 898         SetForegroundWindow (mainwindow);
 899
 900         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 901         ClearAllStates ();
 902
 903         baseDC = GetDC(mainwindow);
 904
 905         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 906         {
 907                 VID_Shutdown();
 908                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
 909                 return false;
 910         }
 911
 912         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 913         {
 914                 VID_Shutdown();
 915                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
 916                 return false;
 917         }
 918
 919         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 920         {
 921                 VID_Shutdown();
 922                 Con_Print("wgl functions not found\n");
 923                 return false;
 924         }
 925
 926         baseRC = qwglCreateContext(baseDC);
 927         if (!baseRC)
 928         {
 929                 VID_Shutdown();
 930                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 931                 return false;
 932         }
 933         if (!qwglMakeCurrent(baseDC, baseRC))
 934         {
 935                 VID_Shutdown();
 936                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
 937                 return false;
 938         }
 939
 940         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 941         {
 942                 VID_Shutdown();
 943                 Con_Print("glGetString not found\n");
 944                 return false;
 945         }
 946         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
 947                 Con_Print("wglGetExtensionsStringARB not found\n");
 948         gl_renderer = qglGetString(GL_RENDERER);
 949         gl_vendor = qglGetString(GL_VENDOR);
 950         gl_version = qglGetString(GL_VERSION);
 951         gl_extensions = qglGetString(GL_EXTENSIONS);
 952         gl_platform = "WGL";
 953         gl_platformextensions = "";
 954
 955         gl_videosyncavailable = false;
 956
 957         if (qwglGetExtensionsStringARB)
 958                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 959
 960 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 961         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 962         //ReleaseDC(mainwindow, hdc);
 963
 964         GL_Init ();
 965
 966         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 967         if (strncasecmp(gl_vendor,"ATI",3)==0)
 968         {
 969                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 970                         isRagePro = true;
 971         }
 972         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 973                 isG200 = true;
 974
 975         //vid_menudrawfn = VID_MenuDraw;
 976         //vid_menukeyfn = VID_MenuKey;
 977         vid_usingmouse = false;
 978         vid_usingvsync = false;
 979         vid_hidden = false;
 980         vid_initialized = true;
 981
 982         IN_StartupMouse ();
 983         IN_StartupJoystick ();
 984
 985         if (gl_videosyncavailable)
 986         {
 987                 vid_usevsync = vid_vsync.integer;
 988                 vid_usingvsync = vid_vsync.integer;
 989                 qwglSwapIntervalEXT (vid_usevsync);
 990         }
 991
 992         return true;
 993 }
 994
 995 static void IN_Shutdown(void);
 996 void VID_Shutdown (void)
 997 {
 998         if(vid_initialized == false)
 999                 return;
1000
1001         VID_RestoreSystemGamma();
1002
1003         vid_initialized = false;
1004         IN_Shutdown();
1005         if (qwglMakeCurrent)
1006                 qwglMakeCurrent(NULL, NULL);
1007         if (baseRC && qwglDeleteContext)
1008                 qwglDeleteContext(baseRC);
1009         // close the library before we get rid of the window
1010         GL_CloseLibrary();
1011         if (baseDC && mainwindow)
1012                 ReleaseDC(mainwindow, baseDC);
1013         AppActivate(false, false);
1014         if (mainwindow)
1015                 DestroyWindow(mainwindow);
1016         mainwindow = 0;
1017         if (vid_isfullscreen)
1018                 ChangeDisplaySettings (NULL, 0);
1019         vid_isfullscreen = false;
1020 }
1021
1022 static void IN_Activate (qboolean grab)
1023 {
1024         if (!mouseinitialized)
1025                 return;
1026
1027         if (grab)
1028         {
1029                 if (!vid_usingmouse)
1030                 {
1031                         vid_usingmouse = true;
1032                         cl_ignoremousemove = true;
1033                         if (dinput && g_pMouse)
1034                         {
1035                                 IDirectInputDevice_Acquire(g_pMouse);
1036                                 dinput_acquired = true;
1037                         }
1038                         else
1039                         {
1040                                 RECT window_rect;
1041                                 window_rect.left = window_x;
1042                                 window_rect.top = window_y;
1043                                 window_rect.right = window_x + vid.width;
1044                                 window_rect.bottom = window_y + vid.height;
1045                                 if (mouseparmsvalid)
1046                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1047                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1048                                 SetCapture (mainwindow);
1049                                 ClipCursor (&window_rect);
1050                         }
1051                         ShowCursor (false);
1052                 }
1053         }
1054         else
1055         {
1056                 if (vid_usingmouse)
1057                 {
1058                         vid_usingmouse = false;
1059                         cl_ignoremousemove = true;
1060                         if (dinput_acquired)
1061                         {
1062                                 IDirectInputDevice_Unacquire(g_pMouse);
1063                                 dinput_acquired = false;
1064                         }
1065                         else
1066                         {
1067                                 if (restore_spi)
1068                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1069                                 ClipCursor (NULL);
1070                                 ReleaseCapture ();
1071                         }
1072                         ShowCursor (true);
1073                 }
1074         }
1075 }
1076
1077
1078 /*
1079 ===========
1080 IN_InitDInput
1081 ===========
1082 */
1083 static qboolean IN_InitDInput (void)
1084 {
1085     HRESULT             hr;
1086         DIPROPDWORD     dipdw = {
1087                 {
1088                         sizeof(DIPROPDWORD),        // diph.dwSize
1089                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1090                         0,                          // diph.dwObj
1091                         DIPH_DEVICE,                // diph.dwHow
1092                 },
1093                 DINPUT_BUFFERSIZE,              // dwData
1094         };
1095
1096         if (!hInstDI)
1097         {
1098                 hInstDI = LoadLibrary("dinput.dll");
1099
1100                 if (hInstDI == NULL)
1101                 {
1102                         Con_Print("Couldn't load dinput.dll\n");
1103                         return false;
1104                 }
1105         }
1106
1107         if (!pDirectInputCreate)
1108         {
1109                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1110
1111                 if (!pDirectInputCreate)
1112                 {
1113                         Con_Print("Couldn't get DI proc addr\n");
1114                         return false;
1115                 }
1116         }
1117
1118 // register with DirectInput and get an IDirectInput to play with.
1119         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1120
1121         if (FAILED(hr))
1122         {
1123                 return false;
1124         }
1125
1126 // obtain an interface to the system mouse device.
1127         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1128
1129         if (FAILED(hr))
1130         {
1131                 Con_Print("Couldn't open DI mouse device\n");
1132                 return false;
1133         }
1134
1135 // set the data format to "mouse format".
1136         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1137
1138         if (FAILED(hr))
1139         {
1140                 Con_Print("Couldn't set DI mouse format\n");
1141                 return false;
1142         }
1143
1144 // set the cooperativity level.
1145         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1146                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1147
1148         if (FAILED(hr))
1149         {
1150                 Con_Print("Couldn't set DI coop level\n");
1151                 return false;
1152         }
1153
1154
1155 // set the buffer size to DINPUT_BUFFERSIZE elements.
1156 // the buffer size is a DWORD property associated with the device
1157         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1158
1159         if (FAILED(hr))
1160         {
1161                 Con_Print("Couldn't set DI buffersize\n");
1162                 return false;
1163         }
1164
1165         return true;
1166 }
1167
1168
1169 /*
1170 ===========
1171 IN_StartupMouse
1172 ===========
1173 */
1174 static void IN_StartupMouse (void)
1175 {
1176         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1177                 return;
1178
1179         mouseinitialized = true;
1180
1181 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1182         if (COM_CheckParm ("-dinput"))
1183                 dinput = IN_InitDInput ();
1184
1185         if (dinput)
1186                 Con_Print("DirectInput initialized\n");
1187         else
1188                 Con_Print("DirectInput not initialized\n");
1189
1190         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1191
1192         if (mouseparmsvalid)
1193         {
1194 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1195                 if ( COM_CheckParm ("-noforcemspd") )
1196                         newmouseparms[2] = originalmouseparms[2];
1197
1198 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1199                 if ( COM_CheckParm ("-noforcemaccel") )
1200                 {
1201                         newmouseparms[0] = originalmouseparms[0];
1202                         newmouseparms[1] = originalmouseparms[1];
1203                 }
1204
1205 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1206                 if ( COM_CheckParm ("-noforcemparms") )
1207                 {
1208                         newmouseparms[0] = originalmouseparms[0];
1209                         newmouseparms[1] = originalmouseparms[1];
1210                         newmouseparms[2] = originalmouseparms[2];
1211                 }
1212         }
1213
1214         mouse_buttons = 10;
1215 }
1216
1217
1218 /*
1219 ===========
1220 IN_MouseMove
1221 ===========
1222 */
1223 static void IN_MouseMove (void)
1224 {
1225         int i, mx, my;
1226         POINT current_pos;
1227
1228         if (!vid_usingmouse)
1229         {
1230                 //GetCursorPos (&current_pos);
1231                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1232                 return;
1233         }
1234
1235         if (dinput_acquired)
1236         {
1237                 DIDEVICEOBJECTDATA      od;
1238                 DWORD                           dwElements;
1239                 HRESULT                         hr;
1240                 mx = 0;
1241                 my = 0;
1242
1243                 for (;;)
1244                 {
1245                         dwElements = 1;
1246
1247                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1248                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1249
1250                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1251                         {
1252                                 IDirectInputDevice_Acquire(g_pMouse);
1253                                 break;
1254                         }
1255
1256                         /* Unable to read data or no data available */
1257                         if (FAILED(hr) || dwElements == 0)
1258                                 break;
1259
1260                         /* Look at the element to see what happened */
1261
1262                         switch (od.dwOfs)
1263                         {
1264                                 case DIMOFS_X:
1265                                         mx += od.dwData;
1266                                         break;
1267
1268                                 case DIMOFS_Y:
1269                                         my += od.dwData;
1270                                         break;
1271
1272                                 case DIMOFS_BUTTON0:
1273                                         if (od.dwData & 0x80)
1274                                                 mstate_di |= 1;
1275                                         else
1276                                                 mstate_di &= ~1;
1277                                         break;
1278
1279                                 case DIMOFS_BUTTON1:
1280                                         if (od.dwData & 0x80)
1281                                                 mstate_di |= (1<<1);
1282                                         else
1283                                                 mstate_di &= ~(1<<1);
1284                                         break;
1285
1286                                 case DIMOFS_BUTTON2:
1287                                         if (od.dwData & 0x80)
1288                                                 mstate_di |= (1<<2);
1289                                         else
1290                                                 mstate_di &= ~(1<<2);
1291                                         break;
1292                         }
1293                 }
1294
1295                 // perform button actions
1296                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1297                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1298                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1299                 mouse_oldbuttonstate = mstate_di;
1300
1301                 in_mouse_x = mx;
1302                 in_mouse_y = my;
1303         }
1304         else
1305         {
1306                 GetCursorPos (&current_pos);
1307                 mx = current_pos.x - (window_x + vid.width / 2);
1308                 my = current_pos.y - (window_y + vid.height / 2);
1309
1310                 in_mouse_x = mx;
1311                 in_mouse_y = my;
1312
1313                 // if the mouse has moved, force it to the center, so there's room to move
1314                 if (!cl.csqc_wantsmousemove)
1315                 if (mx || my)
1316                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1317         }
1318 }
1319
1320
1321 /*
1322 ===========
1323 IN_Move
1324 ===========
1325 */
1326 void IN_Move (void)
1327 {
1328         if (vid_activewindow && !vid_hidden)
1329         {
1330                 IN_MouseMove ();
1331                 IN_JoyMove ();
1332         }
1333 }
1334
1335
1336 /*
1337 ===============
1338 IN_StartupJoystick
1339 ===============
1340 */
1341 static void IN_StartupJoystick (void)
1342 {
1343         int                     numdevs;
1344         JOYCAPS         jc;
1345         MMRESULT        mmr;
1346         mmr = 0;
1347
1348         // assume no joystick
1349         joy_avail = false;
1350
1351         // abort startup if user requests no joystick
1352 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1353         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1354                 return;
1355
1356         // verify joystick driver is present
1357         if ((numdevs = joyGetNumDevs ()) == 0)
1358         {
1359                 Con_Print("\njoystick not found -- driver not present\n\n");
1360                 return;
1361         }
1362
1363         // cycle through the joystick ids for the first valid one
1364         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1365         {
1366                 memset (&ji, 0, sizeof(ji));
1367                 ji.dwSize = sizeof(ji);
1368                 ji.dwFlags = JOY_RETURNCENTERED;
1369
1370                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1371                         break;
1372         }
1373
1374         // abort startup if we didn't find a valid joystick
1375         if (mmr != JOYERR_NOERROR)
1376         {
1377                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1378                 return;
1379         }
1380
1381         // get the capabilities of the selected joystick
1382         // abort startup if command fails
1383         memset (&jc, 0, sizeof(jc));
1384         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1385         {
1386                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1387                 return;
1388         }
1389
1390         // save the joystick's number of buttons and POV status
1391         joy_numbuttons = jc.wNumButtons;
1392         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1393
1394         // old button and POV states default to no buttons pressed
1395         joy_oldbuttonstate = joy_oldpovstate = 0;
1396
1397         // mark the joystick as available and advanced initialization not completed
1398         // this is needed as cvars are not available during initialization
1399
1400         joy_avail = true;
1401         joy_advancedinit = false;
1402
1403         Con_Print("\njoystick detected\n\n");
1404 }
1405
1406
1407 /*
1408 ===========
1409 RawValuePointer
1410 ===========
1411 */
1412 static PDWORD RawValuePointer (int axis)
1413 {
1414         switch (axis)
1415         {
1416         case JOY_AXIS_X:
1417                 return &ji.dwXpos;
1418         case JOY_AXIS_Y:
1419                 return &ji.dwYpos;
1420         case JOY_AXIS_Z:
1421                 return &ji.dwZpos;
1422         case JOY_AXIS_R:
1423                 return &ji.dwRpos;
1424         case JOY_AXIS_U:
1425                 return &ji.dwUpos;
1426         case JOY_AXIS_V:
1427                 return &ji.dwVpos;
1428         }
1429         return NULL; // LordHavoc: hush compiler warning
1430 }
1431
1432
1433 /*
1434 ===========
1435 Joy_AdvancedUpdate_f
1436 ===========
1437 */
1438 static void Joy_AdvancedUpdate_f (void)
1439 {
1440
1441         // called once by IN_ReadJoystick and by user whenever an update is needed
1442         // cvars are now available
1443         int     i;
1444         DWORD dwTemp;
1445
1446         // initialize all the maps
1447         for (i = 0; i < JOY_MAX_AXES; i++)
1448         {
1449                 dwAxisMap[i] = AxisNada;
1450                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1451                 pdwRawValue[i] = RawValuePointer(i);
1452         }
1453
1454         if( joy_advanced.integer == 0)
1455         {
1456                 // default joystick initialization
1457                 // 2 axes only with joystick control
1458                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1459                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1460                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1461                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1462         }
1463         else
1464         {
1465                 if (strcmp (joy_name.string, "joystick") != 0)
1466                 {
1467                         // notify user of advanced controller
1468                         Con_Printf("\n%s configured\n\n", joy_name.string);
1469                 }
1470
1471                 // advanced initialization here
1472                 // data supplied by user via joy_axisn cvars
1473                 dwTemp = (DWORD) joy_advaxisx.value;
1474                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1475                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1476                 dwTemp = (DWORD) joy_advaxisy.value;
1477                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1478                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1479                 dwTemp = (DWORD) joy_advaxisz.value;
1480                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1481                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1482                 dwTemp = (DWORD) joy_advaxisr.value;
1483                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1484                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1485                 dwTemp = (DWORD) joy_advaxisu.value;
1486                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1487                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1488                 dwTemp = (DWORD) joy_advaxisv.value;
1489                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1490                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1491         }
1492
1493         // compute the axes to collect from DirectInput
1494         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1495         for (i = 0; i < JOY_MAX_AXES; i++)
1496         {
1497                 if (dwAxisMap[i] != AxisNada)
1498                 {
1499                         joy_flags |= dwAxisFlags[i];
1500                 }
1501         }
1502 }
1503
1504 /*
1505 ===============
1506 IN_ReadJoystick
1507 ===============
1508 */
1509 static qboolean IN_ReadJoystick (void)
1510 {
1511
1512         memset (&ji, 0, sizeof(ji));
1513         ji.dwSize = sizeof(ji);
1514         ji.dwFlags = joy_flags;
1515
1516         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1517         {
1518                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1519                 // rather than having 32768 be the zero point, they have the zero point at 32668
1520                 // go figure -- anyway, now we get the full resolution out of the device
1521                 if (joy_wwhack1.integer != 0.0)
1522                 {
1523                         ji.dwUpos += 100;
1524                 }
1525                 return true;
1526         }
1527         else
1528         {
1529                 // read error occurred
1530                 // turning off the joystick seems too harsh for 1 read error,
1531                 // but what should be done?
1532                 return false;
1533         }
1534 }
1535
1536
1537 /*
1538 ===========
1539 IN_JoyMove
1540 ===========
1541 */
1542 static void IN_JoyMove (void)
1543 {
1544         float   speed, aspeed;
1545         float   fAxisValue, fTemp;
1546         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1547
1548         // complete initialization if first time in
1549         // this is needed as cvars are not available at initialization time
1550         if( joy_advancedinit != true )
1551         {
1552                 Joy_AdvancedUpdate_f();
1553                 joy_advancedinit = true;
1554         }
1555
1556         if (joy_avail)
1557         {
1558                 int             i, key_index;
1559                 DWORD   buttonstate, povstate;
1560
1561                 // loop through the joystick buttons
1562                 // key a joystick event or auxillary event for higher number buttons for each state change
1563                 buttonstate = ji.dwButtons;
1564                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1565                 {
1566                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1567                         {
1568                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1569                                 Key_Event (key_index + i, 0, true);
1570                         }
1571
1572                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1573                         {
1574                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1575                                 Key_Event (key_index + i, 0, false);
1576                         }
1577                 }
1578                 joy_oldbuttonstate = buttonstate;
1579
1580                 if (joy_haspov)
1581                 {
1582                         // convert POV information into 4 bits of state information
1583                         // this avoids any potential problems related to moving from one
1584                         // direction to another without going through the center position
1585                         povstate = 0;
1586                         if(ji.dwPOV != JOY_POVCENTERED)
1587                         {
1588                                 if (ji.dwPOV == JOY_POVFORWARD)
1589                                         povstate |= 0x01;
1590                                 if (ji.dwPOV == JOY_POVRIGHT)
1591                                         povstate |= 0x02;
1592                                 if (ji.dwPOV == JOY_POVBACKWARD)
1593                                         povstate |= 0x04;
1594                                 if (ji.dwPOV == JOY_POVLEFT)
1595                                         povstate |= 0x08;
1596                         }
1597                         // determine which bits have changed and key an auxillary event for each change
1598                         for (i=0 ; i < 4 ; i++)
1599                         {
1600                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1601                                 {
1602                                         Key_Event (K_AUX29 + i, 0, true);
1603                                 }
1604
1605                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1606                                 {
1607                                         Key_Event (K_AUX29 + i, 0, false);
1608                                 }
1609                         }
1610                         joy_oldpovstate = povstate;
1611                 }
1612         }
1613
1614         // verify joystick is available and that the user wants to use it
1615         if (!joy_avail || !in_joystick.integer)
1616         {
1617                 return;
1618         }
1619
1620         // collect the joystick data, if possible
1621         if (IN_ReadJoystick () != true)
1622         {
1623                 return;
1624         }
1625
1626         if (in_speed.state & 1)
1627                 speed = cl_movespeedkey.value;
1628         else
1629                 speed = 1;
1630         // LordHavoc: viewzoom affects sensitivity for sniping
1631         aspeed = speed * cl.realframetime * cl.viewzoom;
1632
1633         // loop through the axes
1634         for (i = 0; i < JOY_MAX_AXES; i++)
1635         {
1636                 // get the floating point zero-centered, potentially-inverted data for the current axis
1637                 fAxisValue = (float) *pdwRawValue[i];
1638                 // move centerpoint to zero
1639                 fAxisValue -= 32768.0;
1640
1641                 if (joy_wwhack2.integer != 0.0)
1642                 {
1643                         if (dwAxisMap[i] == AxisTurn)
1644                         {
1645                                 // this is a special formula for the Logitech WingMan Warrior
1646                                 // y=ax^b; where a = 300 and b = 1.3
1647                                 // also x values are in increments of 800 (so this is factored out)
1648                                 // then bounds check result to level out excessively high spin rates
1649                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1650                                 if (fTemp > 14000.0)
1651                                         fTemp = 14000.0;
1652                                 // restore direction information
1653                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1654                         }
1655                 }
1656
1657                 // convert range from -32768..32767 to -1..1
1658                 fAxisValue /= 32768.0;
1659
1660                 switch (dwAxisMap[i])
1661                 {
1662                 case AxisForward:
1663                         if ((joy_advanced.integer == 0) && mouselook)
1664                         {
1665                                 // user wants forward control to become look control
1666                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1667                                 {
1668                                         // if mouse invert is on, invert the joystick pitch value
1669                                         // only absolute control support here (joy_advanced is false)
1670                                         if (m_pitch.value < 0.0)
1671                                         {
1672                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1673                                         }
1674                                         else
1675                                         {
1676                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1677                                         }
1678                                         V_StopPitchDrift();
1679                                 }
1680                                 else
1681                                 {
1682                                         // no pitch movement
1683                                         // disable pitch return-to-center unless requested by user
1684                                         // *** this code can be removed when the lookspring bug is fixed
1685                                         // *** the bug always has the lookspring feature on
1686                                         if(lookspring.value == 0.0)
1687                                                 V_StopPitchDrift();
1688                                 }
1689                         }
1690                         else
1691                         {
1692                                 // user wants forward control to be forward control
1693                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1694                                 {
1695                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1696                                 }
1697                         }
1698                         break;
1699
1700                 case AxisSide:
1701                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1702                         {
1703                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1704                         }
1705                         break;
1706
1707                 case AxisTurn:
1708                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1709                         {
1710                                 // user wants turn control to become side control
1711                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1712                                 {
1713                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1714                                 }
1715                         }
1716                         else
1717                         {
1718                                 // user wants turn control to be turn control
1719                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1720                                 {
1721                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1722                                         {
1723                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1724                                         }
1725                                         else
1726                                         {
1727                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1728                                         }
1729
1730                                 }
1731                         }
1732                         break;
1733
1734                 case AxisLook:
1735                         if (mouselook)
1736                         {
1737                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1738                                 {
1739                                         // pitch movement detected and pitch movement desired by user
1740                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1741                                         {
1742                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1743                                         }
1744                                         else
1745                                         {
1746                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1747                                         }
1748                                         V_StopPitchDrift();
1749                                 }
1750                                 else
1751                                 {
1752                                         // no pitch movement
1753                                         // disable pitch return-to-center unless requested by user
1754                                         // *** this code can be removed when the lookspring bug is fixed
1755                                         // *** the bug always has the lookspring feature on
1756                                         if(lookspring.integer == 0)
1757                                                 V_StopPitchDrift();
1758                                 }
1759                         }
1760                         break;
1761
1762                 default:
1763                         break;
1764                 }
1765         }
1766 }
1767
1768 static void IN_Init(void)
1769 {
1770         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1771
1772         // joystick variables
1773         Cvar_RegisterVariable (&in_joystick);
1774         Cvar_RegisterVariable (&joy_name);
1775         Cvar_RegisterVariable (&joy_advanced);
1776         Cvar_RegisterVariable (&joy_advaxisx);
1777         Cvar_RegisterVariable (&joy_advaxisy);
1778         Cvar_RegisterVariable (&joy_advaxisz);
1779         Cvar_RegisterVariable (&joy_advaxisr);
1780         Cvar_RegisterVariable (&joy_advaxisu);
1781         Cvar_RegisterVariable (&joy_advaxisv);
1782         Cvar_RegisterVariable (&joy_forwardthreshold);
1783         Cvar_RegisterVariable (&joy_sidethreshold);
1784         Cvar_RegisterVariable (&joy_pitchthreshold);
1785         Cvar_RegisterVariable (&joy_yawthreshold);
1786         Cvar_RegisterVariable (&joy_forwardsensitivity);
1787         Cvar_RegisterVariable (&joy_sidesensitivity);
1788         Cvar_RegisterVariable (&joy_pitchsensitivity);
1789         Cvar_RegisterVariable (&joy_yawsensitivity);
1790         Cvar_RegisterVariable (&joy_wwhack1);
1791         Cvar_RegisterVariable (&joy_wwhack2);
1792         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1793 }
1794
1795 static void IN_Shutdown(void)
1796 {
1797         IN_Activate (false);
1798
1799         if (g_pMouse)
1800                 IDirectInputDevice_Release(g_pMouse);
1801         g_pMouse = NULL;
1802
1803         if (g_pdi)
1804                 IDirectInput_Release(g_pdi);
1805         g_pdi = NULL;
1806 }