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