vid_wgl.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // gl_vidnt.c -- NT GL vid component
  21
  22 #include "quakedef.h"
  23 #include <windows.h>
  24 #include <dsound.h>
  25 #include "resource.h"
  26 #include <commctrl.h>
  27
  28 extern void S_BlockSound (void);
  29 extern void S_UnblockSound (void);
  30 extern HINSTANCE global_hInstance;
  31
  32
  33 #ifndef WM_MOUSEWHEEL
  34 #define WM_MOUSEWHEEL                   0x020A
  35 #endif
  36
  37 // Tell startup code that we have a client
  38 int cl_available = true;
  39
  40 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  41 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  42 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  43 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  44 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  45 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  46 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  47 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  48 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  49 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  50 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  51 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  52 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  53
  54 static dllfunction_t wglfuncs[] =
  55 {
  56         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  57         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  58 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  59         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  60         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  61         {"wglCreateContext", (void **) &qwglCreateContext},
  62         {"wglDeleteContext", (void **) &qwglDeleteContext},
  63         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  64         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  65         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  66         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  67         {NULL, NULL}
  68 };
  69
  70 static dllfunction_t wglswapintervalfuncs[] =
  71 {
  72         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  73         {NULL, NULL}
  74 };
  75
  76 static DEVMODE gdevmode;
  77 static qboolean vid_initialized = false;
  78 static qboolean vid_wassuspended = false;
  79 static qboolean vid_usingmouse = false;
  80 static qboolean vid_usingvsync = false;
  81 static qboolean vid_usemouse = false;
  82 static qboolean vid_usevsync = false;
  83 static HICON hIcon;
  84
  85 // used by cd_win.c and snd_win.c
  86 HWND mainwindow;
  87
  88 static HDC       baseDC;
  89 static HGLRC baseRC;
  90
  91 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  92
  93 static qboolean vid_isfullscreen;
  94
  95 //void VID_MenuDraw (void);
  96 //void VID_MenuKey (int key);
  97
  98 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  99 //void AppActivate(BOOL fActive, BOOL minimize);
 100 //void ClearAllStates (void);
 101 //void VID_UpdateWindowStatus (void);
 102
 103 //====================================
 104
 105 static int window_x, window_y, window_width, window_height;
 106 static int window_center_x, window_center_y;
 107
 108 static void IN_Activate (qboolean grab);
 109
 110 static qboolean mouseinitialized;
 111 static qboolean dinput;
 112
 113 // input code
 114
 115 #include <dinput.h>
 116
 117 #define DINPUT_BUFFERSIZE           16
 118 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 119
 120 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 121
 122 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 123 /* backslash :: imouse explorer buttons */
 124 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 125    MS's platform SDK, but we need them for compilation. . . */
 126 #ifndef WM_XBUTTONDOWN
 127    #define WM_XBUTTONDOWN      0x020B
 128    #define WM_XBUTTONUP      0x020C
 129 #endif
 130 #ifndef MK_XBUTTON1
 131    #define MK_XBUTTON1         0x0020
 132    #define MK_XBUTTON2         0x0040
 133 // LordHavoc: lets hope this allows more buttons in the future...
 134    #define MK_XBUTTON3         0x0080
 135    #define MK_XBUTTON4         0x0100
 136    #define MK_XBUTTON5         0x0200
 137    #define MK_XBUTTON6         0x0400
 138    #define MK_XBUTTON7         0x0800
 139 #endif
 140 /* :: backslash */
 141
 142 // mouse variables
 143 static int                      mouse_buttons;
 144 static int                      mouse_oldbuttonstate;
 145
 146 static qboolean restore_spi;
 147 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
 148
 149 static unsigned int uiWheelMessage;
 150 static qboolean mouseparmsvalid;
 151 static qboolean dinput_acquired;
 152
 153 static unsigned int             mstate_di;
 154
 155 // joystick defines and variables
 156 // where should defines be moved?
 157 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 158 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 159 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 160 #define JOY_AXIS_X                      0
 161 #define JOY_AXIS_Y                      1
 162 #define JOY_AXIS_Z                      2
 163 #define JOY_AXIS_R                      3
 164 #define JOY_AXIS_U                      4
 165 #define JOY_AXIS_V                      5
 166
 167 enum _ControlList
 168 {
 169         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 170 };
 171
 172 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 173 {
 174         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 175 };
 176
 177 static DWORD    dwAxisMap[JOY_MAX_AXES];
 178 static DWORD    dwControlMap[JOY_MAX_AXES];
 179 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 180
 181 // none of these cvars are saved over a session
 182 // this means that advanced controller configuration needs to be executed
 183 // each time.  this avoids any problems with getting back to a default usage
 184 // or when changing from one controller to another.  this way at least something
 185 // works.
 186 static cvar_t   in_joystick = {CVAR_SAVE, "joystick","0"};
 187 static cvar_t   joy_name = {0, "joyname", "joystick"};
 188 static cvar_t   joy_advanced = {0, "joyadvanced", "0"};
 189 static cvar_t   joy_advaxisx = {0, "joyadvaxisx", "0"};
 190 static cvar_t   joy_advaxisy = {0, "joyadvaxisy", "0"};
 191 static cvar_t   joy_advaxisz = {0, "joyadvaxisz", "0"};
 192 static cvar_t   joy_advaxisr = {0, "joyadvaxisr", "0"};
 193 static cvar_t   joy_advaxisu = {0, "joyadvaxisu", "0"};
 194 static cvar_t   joy_advaxisv = {0, "joyadvaxisv", "0"};
 195 static cvar_t   joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
 196 static cvar_t   joy_sidethreshold = {0, "joysidethreshold", "0.15"};
 197 static cvar_t   joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
 198 static cvar_t   joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
 199 static cvar_t   joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 200 static cvar_t   joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 201 static cvar_t   joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 202 static cvar_t   joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 203 static cvar_t   joy_wwhack1 = {0, "joywwhack1", "0.0"};
 204 static cvar_t   joy_wwhack2 = {0, "joywwhack2", "0.0"};
 205
 206 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 207 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 208
 209 static int                      joy_id;
 210 static DWORD            joy_flags;
 211 static DWORD            joy_numbuttons;
 212
 213 static LPDIRECTINPUT            g_pdi;
 214 static LPDIRECTINPUTDEVICE      g_pMouse;
 215
 216 static JOYINFOEX        ji;
 217
 218 static HINSTANCE hInstDI;
 219
 220 //static qboolean       dinput;
 221
 222 typedef struct MYDATA {
 223         LONG  lX;                   // X axis goes here
 224         LONG  lY;                   // Y axis goes here
 225         LONG  lZ;                   // Z axis goes here
 226         BYTE  bButtonA;             // One button goes here
 227         BYTE  bButtonB;             // Another button goes here
 228         BYTE  bButtonC;             // Another button goes here
 229         BYTE  bButtonD;             // Another button goes here
 230 } MYDATA;
 231
 232 static DIOBJECTDATAFORMAT rgodf[] = {
 233   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 234   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 235   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 236   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 237   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 238   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 239   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 240 };
 241
 242 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 243
 244 static DIDATAFORMAT     df = {
 245         sizeof(DIDATAFORMAT),       // this structure
 246         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 247         DIDF_RELAXIS,               // absolute axis coordinates
 248         sizeof(MYDATA),             // device data size
 249         NUM_OBJECTS,                // number of objects
 250         rgodf,                      // and here they are
 251 };
 252
 253 // forward-referenced functions
 254 static void IN_StartupJoystick (void);
 255 static void Joy_AdvancedUpdate_f (void);
 256 static void IN_JoyMove (void);
 257 static void IN_StartupMouse (void);
 258
 259 /*
 260 ================
 261 VID_UpdateWindowStatus
 262 ================
 263 */
 264 static void VID_UpdateWindowStatus (void)
 265 {
 266         window_center_x = window_x + window_width / 2;
 267         window_center_y = window_y + window_height / 2;
 268
 269         if (mouseinitialized && vid_usingmouse && !dinput_acquired)
 270         {
 271                 RECT window_rect;
 272                 window_rect.left = window_x;
 273                 window_rect.top = window_y;
 274                 window_rect.right = window_x + window_width;
 275                 window_rect.bottom = window_y + window_height;
 276                 ClipCursor (&window_rect);
 277         }
 278 }
 279
 280
 281 //====================================
 282
 283 /*
 284 =================
 285 VID_GetWindowSize
 286 =================
 287 */
 288 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 289 {
 290         *x = 0;
 291         *y = 0;
 292         *width = window_width;
 293         *height = window_height;
 294 }
 295
 296
 297 void VID_Finish (void)
 298 {
 299         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 300         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 301         {
 302                 vid_usingvsync = vid_usevsync;
 303                 qwglSwapIntervalEXT (vid_usevsync);
 304         }
 305
 306 // handle the mouse state when windowed if that's changed
 307         vid_usemouse = false;
 308         if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
 309                 vid_usemouse = true;
 310         if (vid_isfullscreen)
 311                 vid_usemouse = true;
 312         if (!vid_activewindow)
 313                 vid_usemouse = false;
 314         IN_Activate(vid_usemouse);
 315
 316         if (r_render.integer && !vid_hidden)
 317         {
 318                 if (r_speeds.integer || gl_finish.integer)
 319                         qglFinish();
 320                 SwapBuffers(baseDC);
 321         }
 322 }
 323
 324 //==========================================================================
 325
 326
 327
 328
 329 static qbyte scantokey[128] =
 330 {
 331 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 332         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 333         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 334         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 335         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 336         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
 337         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 338         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 339         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 340 };
 341
 342
 343 /*
 344 =======
 345 MapKey
 346
 347 Map from windows to quake keynums
 348 =======
 349 */
 350 static int MapKey (int key, int virtualkey)
 351 {
 352         int result;
 353         int modified = (key >> 16) & 255;
 354         qboolean is_extended = false;
 355
 356         if (modified < 128 && scantokey[modified])
 357                 result = scantokey[modified];
 358         else
 359         {
 360                 result = 0;
 361                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 362         }
 363
 364         if (key & (1 << 24))
 365                 is_extended = true;
 366
 367         if ( !is_extended )
 368         {
 369                 switch ( result )
 370                 {
 371                 case K_HOME:
 372                         return K_KP_HOME;
 373                 case K_UPARROW:
 374                         return K_KP_UPARROW;
 375                 case K_PGUP:
 376                         return K_KP_PGUP;
 377                 case K_LEFTARROW:
 378                         return K_KP_LEFTARROW;
 379                 case K_RIGHTARROW:
 380                         return K_KP_RIGHTARROW;
 381                 case K_END:
 382                         return K_KP_END;
 383                 case K_DOWNARROW:
 384                         return K_KP_DOWNARROW;
 385                 case K_PGDN:
 386                         return K_KP_PGDN;
 387                 case K_INS:
 388                         return K_KP_INS;
 389                 case K_DEL:
 390                         return K_KP_DEL;
 391                 default:
 392                         return result;
 393                 }
 394         }
 395         else
 396         {
 397                 switch ( result )
 398                 {
 399                 case 0x0D:
 400                         return K_KP_ENTER;
 401                 case 0x2F:
 402                         return K_KP_SLASH;
 403                 case 0xAF:
 404                         return K_KP_PLUS;
 405                 }
 406                 return result;
 407         }
 408 }
 409
 410 /*
 411 ===================================================================
 412
 413 MAIN WINDOW
 414
 415 ===================================================================
 416 */
 417
 418 /*
 419 ================
 420 ClearAllStates
 421 ================
 422 */
 423 static void ClearAllStates (void)
 424 {
 425         Key_ClearStates ();
 426         if (vid_usingmouse)
 427                 mouse_oldbuttonstate = 0;
 428 }
 429
 430 void AppActivate(BOOL fActive, BOOL minimize)
 431 /****************************************************************************
 432 *
 433 * Function:     AppActivate
 434 * Parameters:   fActive - True if app is activating
 435 *
 436 * Description:  If the application is activating, then swap the system
 437 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 438 *               correctly.
 439 *
 440 ****************************************************************************/
 441 {
 442         static BOOL     sound_active;
 443
 444         vid_activewindow = fActive;
 445         vid_hidden = minimize;
 446
 447 // enable/disable sound on focus gain/loss
 448         if (!vid_activewindow && sound_active)
 449         {
 450                 S_BlockSound ();
 451                 sound_active = false;
 452         }
 453         else if (vid_activewindow && !sound_active)
 454         {
 455                 S_UnblockSound ();
 456                 sound_active = true;
 457         }
 458
 459         if (fActive)
 460         {
 461                 if (vid_isfullscreen)
 462                 {
 463                         if (vid_wassuspended)
 464                         {
 465                                 vid_wassuspended = false;
 466                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 467                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 468                         }
 469
 470                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 471                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 472                 }
 473         }
 474
 475         if (!fActive)
 476         {
 477                 IN_Activate (false);
 478                 if (vid_isfullscreen)
 479                 {
 480                         ChangeDisplaySettings (NULL, 0);
 481                         vid_wassuspended = true;
 482                 }
 483                 VID_RestoreSystemGamma();
 484         }
 485 }
 486
 487 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 488 void Sys_SendKeyEvents (void)
 489 {
 490         MSG msg;
 491
 492         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 493         {
 494                 if (!GetMessage (&msg, NULL, 0, 0))
 495                         Sys_Quit ();
 496
 497                 TranslateMessage (&msg);
 498                 DispatchMessage (&msg);
 499         }
 500 }
 501
 502 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 503
 504 /* main window procedure */
 505 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 506 {
 507         LONG    lRet = 1;
 508         int             fActive, fMinimized, temp;
 509         char    state[256];
 510         char    asciichar[4];
 511         int             vkey;
 512         qboolean down = false;
 513
 514         if ( uMsg == uiWheelMessage )
 515                 uMsg = WM_MOUSEWHEEL;
 516
 517         switch (uMsg)
 518         {
 519                 case WM_KILLFOCUS:
 520                         if (vid_isfullscreen)
 521                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 522                         break;
 523
 524                 case WM_CREATE:
 525                         break;
 526
 527                 case WM_MOVE:
 528                         window_x = (int) LOWORD(lParam);
 529                         window_y = (int) HIWORD(lParam);
 530                         VID_UpdateWindowStatus ();
 531                         break;
 532
 533                 case WM_KEYDOWN:
 534                 case WM_SYSKEYDOWN:
 535                         down = true;
 536                 case WM_KEYUP:
 537                 case WM_SYSKEYUP:
 538                         vkey = MapKey(lParam, wParam);
 539                         GetKeyboardState (state);
 540                         // alt/ctrl/shift tend to produce funky ToAscii values,
 541                         // and if it's not a single character we don't know care about it
 542                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
 543                                 asciichar[0] = 0;
 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++)
 598                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 599                                                 Key_Event (K_MOUSE1 + 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)
 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)
 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                 Sys_Error("Couldn't register window class\n");
 729
 730         IN_Init();
 731 }
 732
 733 int VID_InitMode (int fullscreen, int width, int height, int bpp)
 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\n");
 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;
 798                 gdevmode.dmBitsPerPel = bpp;
 799                 gdevmode.dmPelsWidth = width;
 800                 gdevmode.dmPelsHeight = height;
 801                 gdevmode.dmSize = sizeof (gdevmode);
 802                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 803                 {
 804                         VID_Shutdown();
 805                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 806                         return false;
 807                 }
 808
 809                 vid_isfullscreen = true;
 810                 WindowStyle = WS_POPUP;
 811                 ExWindowStyle = WS_EX_TOPMOST;
 812         }
 813         else
 814         {
 815                 hdc = GetDC (NULL);
 816                 i = GetDeviceCaps(hdc, RASTERCAPS);
 817                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 818                 ReleaseDC (NULL, hdc);
 819                 if (i & RC_PALETTE)
 820                 {
 821                         VID_Shutdown();
 822                         Con_Print("Can't run in non-RGB mode\n");
 823                         return false;
 824                 }
 825                 if (bpp > depth)
 826                 {
 827                         VID_Shutdown();
 828                         Con_Print("A higher desktop depth is required to run this video mode\n");
 829                         return false;
 830                 }
 831
 832                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 833                 ExWindowStyle = 0;
 834         }
 835
 836         rect.top = 0;
 837         rect.left = 0;
 838         rect.right = width;
 839         rect.bottom = height;
 840         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 841
 842         if (fullscreen)
 843         {
 844                 CenterX = 0;
 845                 CenterY = 0;
 846         }
 847         else
 848         {
 849                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 850                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 851         }
 852         CenterX = max(0, CenterX);
 853         CenterY = max(0, CenterY);
 854
 855         // x and y may be changed by WM_MOVE messages
 856         window_x = CenterX;
 857         window_y = CenterY;
 858         window_width = width;
 859         window_height = height;
 860         rect.left += CenterX;
 861         rect.right += CenterX;
 862         rect.top += CenterY;
 863         rect.bottom += CenterY;
 864
 865         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 866         if (!mainwindow)
 867         {
 868                 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);
 869                 VID_Shutdown();
 870                 return false;
 871         }
 872
 873         /*
 874         if (!fullscreen)
 875                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 876         */
 877
 878         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 879         UpdateWindow (mainwindow);
 880
 881         VID_UpdateWindowStatus ();
 882
 883         // now we try to make sure we get the focus on the mode switch, because
 884         // sometimes in some systems we don't.  We grab the foreground, then
 885         // finish setting up, pump all our messages, and sleep for a little while
 886         // to let messages finish bouncing around the system, then we put
 887         // ourselves at the top of the z order, then grab the foreground again,
 888         // Who knows if it helps, but it probably doesn't hurt
 889         SetForegroundWindow (mainwindow);
 890
 891         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 892         {
 893                 TranslateMessage (&msg);
 894                 DispatchMessage (&msg);
 895         }
 896
 897         Sleep (100);
 898
 899         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 900
 901         SetForegroundWindow (mainwindow);
 902
 903         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 904         ClearAllStates ();
 905
 906         baseDC = GetDC(mainwindow);
 907
 908         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 909         {
 910                 VID_Shutdown();
 911                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
 912                 return false;
 913         }
 914
 915         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 916         {
 917                 VID_Shutdown();
 918                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
 919                 return false;
 920         }
 921
 922         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 923         {
 924                 VID_Shutdown();
 925                 Con_Print("wgl functions not found\n");
 926                 return false;
 927         }
 928
 929         baseRC = qwglCreateContext(baseDC);
 930         if (!baseRC)
 931         {
 932                 VID_Shutdown();
 933                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 934                 return false;
 935         }
 936         if (!qwglMakeCurrent(baseDC, baseRC))
 937         {
 938                 VID_Shutdown();
 939                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
 940                 return false;
 941         }
 942
 943         qglGetString = GL_GetProcAddress("glGetString");
 944         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
 945         if (qglGetString == NULL)
 946         {
 947                 VID_Shutdown();
 948                 Con_Print("glGetString not found\n");
 949                 return false;
 950         }
 951         gl_renderer = qglGetString(GL_RENDERER);
 952         gl_vendor = qglGetString(GL_VENDOR);
 953         gl_version = qglGetString(GL_VERSION);
 954         gl_extensions = qglGetString(GL_EXTENSIONS);
 955         gl_platform = "WGL";
 956         gl_platformextensions = "";
 957
 958         gl_videosyncavailable = false;
 959
 960         if (qwglGetExtensionsStringARB)
 961                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 962
 963 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 964         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 965         //ReleaseDC(mainwindow, hdc);
 966
 967         GL_Init ();
 968
 969         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 970         if (strncasecmp(gl_vendor,"ATI",3)==0)
 971         {
 972                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 973                         isRagePro = true;
 974         }
 975         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 976                 isG200 = true;
 977
 978         //vid_menudrawfn = VID_MenuDraw;
 979         //vid_menukeyfn = VID_MenuKey;
 980         vid_usingmouse = false;
 981         vid_usingvsync = false;
 982         vid_hidden = false;
 983         vid_initialized = true;
 984
 985         IN_StartupMouse ();
 986         IN_StartupJoystick ();
 987
 988         return true;
 989 }
 990
 991 static void IN_Shutdown(void);
 992 void VID_Shutdown (void)
 993 {
 994         if(vid_initialized == false)
 995                 return;
 996
 997         VID_RestoreSystemGamma();
 998
 999         vid_initialized = false;
1000         IN_Shutdown();
1001         if (qwglMakeCurrent)
1002                 qwglMakeCurrent(NULL, NULL);
1003         if (baseRC && qwglDeleteContext)
1004                 qwglDeleteContext(baseRC);
1005         // close the library before we get rid of the window
1006         GL_CloseLibrary();
1007         if (baseDC && mainwindow)
1008                 ReleaseDC(mainwindow, baseDC);
1009         AppActivate(false, false);
1010         if (mainwindow)
1011                 DestroyWindow(mainwindow);
1012         mainwindow = 0;
1013         if (vid_isfullscreen)
1014                 ChangeDisplaySettings (NULL, 0);
1015         vid_isfullscreen = false;
1016 }
1017
1018
1019 /*
1020 ===========
1021 IN_Activate
1022 ===========
1023 */
1024 static void IN_Activate (qboolean grab)
1025 {
1026         if (!mouseinitialized)
1027                 return;
1028
1029         if (grab)
1030         {
1031                 if (!vid_usingmouse)
1032                 {
1033                         vid_usingmouse = true;
1034                         cl_ignoremousemove = true;
1035                         if (dinput && g_pMouse)
1036                         {
1037                                 IDirectInputDevice_Acquire(g_pMouse);
1038                                 dinput_acquired = true;
1039                         }
1040                         else
1041                         {
1042                                 RECT window_rect;
1043                                 window_rect.left = window_x;
1044                                 window_rect.top = window_y;
1045                                 window_rect.right = window_x + window_width;
1046                                 window_rect.bottom = window_y + window_height;
1047                                 if (mouseparmsvalid)
1048                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1049                                 SetCursorPos (window_center_x, window_center_y);
1050                                 SetCapture (mainwindow);
1051                                 ClipCursor (&window_rect);
1052                         }
1053                         ShowCursor (false);
1054                 }
1055         }
1056         else
1057         {
1058                 if (vid_usingmouse)
1059                 {
1060                         vid_usingmouse = false;
1061                         cl_ignoremousemove = true;
1062                         if (dinput_acquired)
1063                         {
1064                                 IDirectInputDevice_Unacquire(g_pMouse);
1065                                 dinput_acquired = false;
1066                         }
1067                         else
1068                         {
1069                                 if (restore_spi)
1070                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1071                                 ClipCursor (NULL);
1072                                 ReleaseCapture ();
1073                         }
1074                         ShowCursor (true);
1075                 }
1076         }
1077 }
1078
1079
1080 /*
1081 ===========
1082 IN_InitDInput
1083 ===========
1084 */
1085 static qboolean IN_InitDInput (void)
1086 {
1087     HRESULT             hr;
1088         DIPROPDWORD     dipdw = {
1089                 {
1090                         sizeof(DIPROPDWORD),        // diph.dwSize
1091                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1092                         0,                          // diph.dwObj
1093                         DIPH_DEVICE,                // diph.dwHow
1094                 },
1095                 DINPUT_BUFFERSIZE,              // dwData
1096         };
1097
1098         if (!hInstDI)
1099         {
1100                 hInstDI = LoadLibrary("dinput.dll");
1101
1102                 if (hInstDI == NULL)
1103                 {
1104                         Con_Print("Couldn't load dinput.dll\n");
1105                         return false;
1106                 }
1107         }
1108
1109         if (!pDirectInputCreate)
1110         {
1111                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1112
1113                 if (!pDirectInputCreate)
1114                 {
1115                         Con_Print("Couldn't get DI proc addr\n");
1116                         return false;
1117                 }
1118         }
1119
1120 // register with DirectInput and get an IDirectInput to play with.
1121         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1122
1123         if (FAILED(hr))
1124         {
1125                 return false;
1126         }
1127
1128 // obtain an interface to the system mouse device.
1129         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1130
1131         if (FAILED(hr))
1132         {
1133                 Con_Print("Couldn't open DI mouse device\n");
1134                 return false;
1135         }
1136
1137 // set the data format to "mouse format".
1138         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1139
1140         if (FAILED(hr))
1141         {
1142                 Con_Print("Couldn't set DI mouse format\n");
1143                 return false;
1144         }
1145
1146 // set the cooperativity level.
1147         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1148                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1149
1150         if (FAILED(hr))
1151         {
1152                 Con_Print("Couldn't set DI coop level\n");
1153                 return false;
1154         }
1155
1156
1157 // set the buffer size to DINPUT_BUFFERSIZE elements.
1158 // the buffer size is a DWORD property associated with the device
1159         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1160
1161         if (FAILED(hr))
1162         {
1163                 Con_Print("Couldn't set DI buffersize\n");
1164                 return false;
1165         }
1166
1167         return true;
1168 }
1169
1170
1171 /*
1172 ===========
1173 IN_StartupMouse
1174 ===========
1175 */
1176 static void IN_StartupMouse (void)
1177 {
1178         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1179                 return;
1180
1181         mouseinitialized = true;
1182
1183 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1184         if (COM_CheckParm ("-dinput"))
1185                 dinput = IN_InitDInput ();
1186
1187         if (dinput)
1188                 Con_Print("DirectInput initialized\n");
1189         else
1190                 Con_Print("DirectInput not initialized\n");
1191
1192         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1193
1194         if (mouseparmsvalid)
1195         {
1196 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1197                 if ( COM_CheckParm ("-noforcemspd") )
1198                         newmouseparms[2] = originalmouseparms[2];
1199
1200 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1201                 if ( COM_CheckParm ("-noforcemaccel") )
1202                 {
1203                         newmouseparms[0] = originalmouseparms[0];
1204                         newmouseparms[1] = originalmouseparms[1];
1205                 }
1206
1207 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1208                 if ( COM_CheckParm ("-noforcemparms") )
1209                 {
1210                         newmouseparms[0] = originalmouseparms[0];
1211                         newmouseparms[1] = originalmouseparms[1];
1212                         newmouseparms[2] = originalmouseparms[2];
1213                 }
1214         }
1215
1216         mouse_buttons = 10;
1217 }
1218
1219
1220 /*
1221 ===========
1222 IN_MouseMove
1223 ===========
1224 */
1225 static void IN_MouseMove (void)
1226 {
1227         int i, mx, my;
1228         POINT current_pos;
1229
1230         if (!vid_usingmouse)
1231         {
1232                 //GetCursorPos (&current_pos);
1233                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1234                 return;
1235         }
1236
1237         if (dinput_acquired)
1238         {
1239                 DIDEVICEOBJECTDATA      od;
1240                 DWORD                           dwElements;
1241                 HRESULT                         hr;
1242                 mx = 0;
1243                 my = 0;
1244
1245                 for (;;)
1246                 {
1247                         dwElements = 1;
1248
1249                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1250                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1251
1252                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1253                         {
1254                                 IDirectInputDevice_Acquire(g_pMouse);
1255                                 break;
1256                         }
1257
1258                         /* Unable to read data or no data available */
1259                         if (FAILED(hr) || dwElements == 0)
1260                                 break;
1261
1262                         /* Look at the element to see what happened */
1263
1264                         switch (od.dwOfs)
1265                         {
1266                                 case DIMOFS_X:
1267                                         mx += od.dwData;
1268                                         break;
1269
1270                                 case DIMOFS_Y:
1271                                         my += od.dwData;
1272                                         break;
1273
1274                                 case DIMOFS_BUTTON0:
1275                                         if (od.dwData & 0x80)
1276                                                 mstate_di |= 1;
1277                                         else
1278                                                 mstate_di &= ~1;
1279                                         break;
1280
1281                                 case DIMOFS_BUTTON1:
1282                                         if (od.dwData & 0x80)
1283                                                 mstate_di |= (1<<1);
1284                                         else
1285                                                 mstate_di &= ~(1<<1);
1286                                         break;
1287
1288                                 case DIMOFS_BUTTON2:
1289                                         if (od.dwData & 0x80)
1290                                                 mstate_di |= (1<<2);
1291                                         else
1292                                                 mstate_di &= ~(1<<2);
1293                                         break;
1294                         }
1295                 }
1296
1297                 // perform button actions
1298                 for (i=0 ; i<mouse_buttons ; i++)
1299                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1300                                 Key_Event (K_MOUSE1 + i, 0, (mstate_di & (1<<i)) != 0);
1301                 mouse_oldbuttonstate = mstate_di;
1302
1303                 in_mouse_x = mx;
1304                 in_mouse_y = my;
1305         }
1306         else
1307         {
1308                 GetCursorPos (&current_pos);
1309                 mx = current_pos.x - window_center_x;
1310                 my = current_pos.y - window_center_y;
1311
1312                 in_mouse_x = mx;
1313                 in_mouse_y = my;
1314
1315                 // if the mouse has moved, force it to the center, so there's room to move
1316                 if (mx || my)
1317                         SetCursorPos (window_center_x, window_center_y);
1318         }
1319 }
1320
1321
1322 /*
1323 ===========
1324 IN_Move
1325 ===========
1326 */
1327 void IN_Move (void)
1328 {
1329         if (vid_activewindow && !vid_hidden)
1330         {
1331                 IN_MouseMove ();
1332                 IN_JoyMove ();
1333         }
1334 }
1335
1336
1337 /*
1338 ===============
1339 IN_StartupJoystick
1340 ===============
1341 */
1342 static void IN_StartupJoystick (void)
1343 {
1344         int                     numdevs;
1345         JOYCAPS         jc;
1346         MMRESULT        mmr;
1347         mmr = 0;
1348
1349         // assume no joystick
1350         joy_avail = false;
1351
1352         // abort startup if user requests no joystick
1353 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1354         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1355                 return;
1356
1357         // verify joystick driver is present
1358         if ((numdevs = joyGetNumDevs ()) == 0)
1359         {
1360                 Con_Print("\njoystick not found -- driver not present\n\n");
1361                 return;
1362         }
1363
1364         // cycle through the joystick ids for the first valid one
1365         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1366         {
1367                 memset (&ji, 0, sizeof(ji));
1368                 ji.dwSize = sizeof(ji);
1369                 ji.dwFlags = JOY_RETURNCENTERED;
1370
1371                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1372                         break;
1373         }
1374
1375         // abort startup if we didn't find a valid joystick
1376         if (mmr != JOYERR_NOERROR)
1377         {
1378                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1379                 return;
1380         }
1381
1382         // get the capabilities of the selected joystick
1383         // abort startup if command fails
1384         memset (&jc, 0, sizeof(jc));
1385         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1386         {
1387                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1388                 return;
1389         }
1390
1391         // save the joystick's number of buttons and POV status
1392         joy_numbuttons = jc.wNumButtons;
1393         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1394
1395         // old button and POV states default to no buttons pressed
1396         joy_oldbuttonstate = joy_oldpovstate = 0;
1397
1398         // mark the joystick as available and advanced initialization not completed
1399         // this is needed as cvars are not available during initialization
1400
1401         joy_avail = true;
1402         joy_advancedinit = false;
1403
1404         Con_Print("\njoystick detected\n\n");
1405 }
1406
1407
1408 /*
1409 ===========
1410 RawValuePointer
1411 ===========
1412 */
1413 static PDWORD RawValuePointer (int axis)
1414 {
1415         switch (axis)
1416         {
1417         case JOY_AXIS_X:
1418                 return &ji.dwXpos;
1419         case JOY_AXIS_Y:
1420                 return &ji.dwYpos;
1421         case JOY_AXIS_Z:
1422                 return &ji.dwZpos;
1423         case JOY_AXIS_R:
1424                 return &ji.dwRpos;
1425         case JOY_AXIS_U:
1426                 return &ji.dwUpos;
1427         case JOY_AXIS_V:
1428                 return &ji.dwVpos;
1429         }
1430         return NULL; // LordHavoc: hush compiler warning
1431 }
1432
1433
1434 /*
1435 ===========
1436 Joy_AdvancedUpdate_f
1437 ===========
1438 */
1439 static void Joy_AdvancedUpdate_f (void)
1440 {
1441
1442         // called once by IN_ReadJoystick and by user whenever an update is needed
1443         // cvars are now available
1444         int     i;
1445         DWORD dwTemp;
1446
1447         // initialize all the maps
1448         for (i = 0; i < JOY_MAX_AXES; i++)
1449         {
1450                 dwAxisMap[i] = AxisNada;
1451                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1452                 pdwRawValue[i] = RawValuePointer(i);
1453         }
1454
1455         if( joy_advanced.integer == 0)
1456         {
1457                 // default joystick initialization
1458                 // 2 axes only with joystick control
1459                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1460                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1461                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1462                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1463         }
1464         else
1465         {
1466                 if (strcmp (joy_name.string, "joystick") != 0)
1467                 {
1468                         // notify user of advanced controller
1469                         Con_Printf("\n%s configured\n\n", joy_name.string);
1470                 }
1471
1472                 // advanced initialization here
1473                 // data supplied by user via joy_axisn cvars
1474                 dwTemp = (DWORD) joy_advaxisx.value;
1475                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1476                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1477                 dwTemp = (DWORD) joy_advaxisy.value;
1478                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1479                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1480                 dwTemp = (DWORD) joy_advaxisz.value;
1481                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1482                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1483                 dwTemp = (DWORD) joy_advaxisr.value;
1484                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1485                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1486                 dwTemp = (DWORD) joy_advaxisu.value;
1487                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1488                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1489                 dwTemp = (DWORD) joy_advaxisv.value;
1490                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1491                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1492         }
1493
1494         // compute the axes to collect from DirectInput
1495         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1496         for (i = 0; i < JOY_MAX_AXES; i++)
1497         {
1498                 if (dwAxisMap[i] != AxisNada)
1499                 {
1500                         joy_flags |= dwAxisFlags[i];
1501                 }
1502         }
1503 }
1504
1505 /*
1506 ===============
1507 IN_ReadJoystick
1508 ===============
1509 */
1510 static qboolean IN_ReadJoystick (void)
1511 {
1512
1513         memset (&ji, 0, sizeof(ji));
1514         ji.dwSize = sizeof(ji);
1515         ji.dwFlags = joy_flags;
1516
1517         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1518         {
1519                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1520                 // rather than having 32768 be the zero point, they have the zero point at 32668
1521                 // go figure -- anyway, now we get the full resolution out of the device
1522                 if (joy_wwhack1.integer != 0.0)
1523                 {
1524                         ji.dwUpos += 100;
1525                 }
1526                 return true;
1527         }
1528         else
1529         {
1530                 // read error occurred
1531                 // turning off the joystick seems too harsh for 1 read error,
1532                 // but what should be done?
1533                 return false;
1534         }
1535 }
1536
1537
1538 /*
1539 ===========
1540 IN_JoyMove
1541 ===========
1542 */
1543 static void IN_JoyMove (void)
1544 {
1545         float   speed, aspeed;
1546         float   fAxisValue, fTemp;
1547         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1548
1549         // complete initialization if first time in
1550         // this is needed as cvars are not available at initialization time
1551         if( joy_advancedinit != true )
1552         {
1553                 Joy_AdvancedUpdate_f();
1554                 joy_advancedinit = true;
1555         }
1556
1557         if (joy_avail)
1558         {
1559                 int             i, key_index;
1560                 DWORD   buttonstate, povstate;
1561
1562                 // loop through the joystick buttons
1563                 // key a joystick event or auxillary event for higher number buttons for each state change
1564                 buttonstate = ji.dwButtons;
1565                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1566                 {
1567                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1568                         {
1569                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1570                                 Key_Event (key_index + i, 0, true);
1571                         }
1572
1573                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1574                         {
1575                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1576                                 Key_Event (key_index + i, 0, false);
1577                         }
1578                 }
1579                 joy_oldbuttonstate = buttonstate;
1580
1581                 if (joy_haspov)
1582                 {
1583                         // convert POV information into 4 bits of state information
1584                         // this avoids any potential problems related to moving from one
1585                         // direction to another without going through the center position
1586                         povstate = 0;
1587                         if(ji.dwPOV != JOY_POVCENTERED)
1588                         {
1589                                 if (ji.dwPOV == JOY_POVFORWARD)
1590                                         povstate |= 0x01;
1591                                 if (ji.dwPOV == JOY_POVRIGHT)
1592                                         povstate |= 0x02;
1593                                 if (ji.dwPOV == JOY_POVBACKWARD)
1594                                         povstate |= 0x04;
1595                                 if (ji.dwPOV == JOY_POVLEFT)
1596                                         povstate |= 0x08;
1597                         }
1598                         // determine which bits have changed and key an auxillary event for each change
1599                         for (i=0 ; i < 4 ; i++)
1600                         {
1601                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1602                                 {
1603                                         Key_Event (K_AUX29 + i, 0, true);
1604                                 }
1605
1606                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1607                                 {
1608                                         Key_Event (K_AUX29 + i, 0, false);
1609                                 }
1610                         }
1611                         joy_oldpovstate = povstate;
1612                 }
1613         }
1614
1615         // verify joystick is available and that the user wants to use it
1616         if (!joy_avail || !in_joystick.integer)
1617         {
1618                 return;
1619         }
1620
1621         // collect the joystick data, if possible
1622         if (IN_ReadJoystick () != true)
1623         {
1624                 return;
1625         }
1626
1627         if (in_speed.state & 1)
1628                 speed = cl_movespeedkey.value;
1629         else
1630                 speed = 1;
1631         // LordHavoc: viewzoom affects sensitivity for sniping
1632         aspeed = speed * host_realframetime * cl.viewzoom;
1633
1634         // loop through the axes
1635         for (i = 0; i < JOY_MAX_AXES; i++)
1636         {
1637                 // get the floating point zero-centered, potentially-inverted data for the current axis
1638                 fAxisValue = (float) *pdwRawValue[i];
1639                 // move centerpoint to zero
1640                 fAxisValue -= 32768.0;
1641
1642                 if (joy_wwhack2.integer != 0.0)
1643                 {
1644                         if (dwAxisMap[i] == AxisTurn)
1645                         {
1646                                 // this is a special formula for the Logitech WingMan Warrior
1647                                 // y=ax^b; where a = 300 and b = 1.3
1648                                 // also x values are in increments of 800 (so this is factored out)
1649                                 // then bounds check result to level out excessively high spin rates
1650                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1651                                 if (fTemp > 14000.0)
1652                                         fTemp = 14000.0;
1653                                 // restore direction information
1654                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1655                         }
1656                 }
1657
1658                 // convert range from -32768..32767 to -1..1
1659                 fAxisValue /= 32768.0;
1660
1661                 switch (dwAxisMap[i])
1662                 {
1663                 case AxisForward:
1664                         if ((joy_advanced.integer == 0) && mouselook)
1665                         {
1666                                 // user wants forward control to become look control
1667                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1668                                 {
1669                                         // if mouse invert is on, invert the joystick pitch value
1670                                         // only absolute control support here (joy_advanced is false)
1671                                         if (m_pitch.value < 0.0)
1672                                         {
1673                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1674                                         }
1675                                         else
1676                                         {
1677                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1678                                         }
1679                                         V_StopPitchDrift();
1680                                 }
1681                                 else
1682                                 {
1683                                         // no pitch movement
1684                                         // disable pitch return-to-center unless requested by user
1685                                         // *** this code can be removed when the lookspring bug is fixed
1686                                         // *** the bug always has the lookspring feature on
1687                                         if(lookspring.value == 0.0)
1688                                                 V_StopPitchDrift();
1689                                 }
1690                         }
1691                         else
1692                         {
1693                                 // user wants forward control to be forward control
1694                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1695                                 {
1696                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1697                                 }
1698                         }
1699                         break;
1700
1701                 case AxisSide:
1702                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1703                         {
1704                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1705                         }
1706                         break;
1707
1708                 case AxisTurn:
1709                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1710                         {
1711                                 // user wants turn control to become side control
1712                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1713                                 {
1714                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1715                                 }
1716                         }
1717                         else
1718                         {
1719                                 // user wants turn control to be turn control
1720                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1721                                 {
1722                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1723                                         {
1724                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1725                                         }
1726                                         else
1727                                         {
1728                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1729                                         }
1730
1731                                 }
1732                         }
1733                         break;
1734
1735                 case AxisLook:
1736                         if (mouselook)
1737                         {
1738                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1739                                 {
1740                                         // pitch movement detected and pitch movement desired by user
1741                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1742                                         {
1743                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1744                                         }
1745                                         else
1746                                         {
1747                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1748                                         }
1749                                         V_StopPitchDrift();
1750                                 }
1751                                 else
1752                                 {
1753                                         // no pitch movement
1754                                         // disable pitch return-to-center unless requested by user
1755                                         // *** this code can be removed when the lookspring bug is fixed
1756                                         // *** the bug always has the lookspring feature on
1757                                         if(lookspring.integer == 0)
1758                                                 V_StopPitchDrift();
1759                                 }
1760                         }
1761                         break;
1762
1763                 default:
1764                         break;
1765                 }
1766         }
1767 }
1768
1769 static void IN_Init(void)
1770 {
1771         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1772
1773         // joystick variables
1774         Cvar_RegisterVariable (&in_joystick);
1775         Cvar_RegisterVariable (&joy_name);
1776         Cvar_RegisterVariable (&joy_advanced);
1777         Cvar_RegisterVariable (&joy_advaxisx);
1778         Cvar_RegisterVariable (&joy_advaxisy);
1779         Cvar_RegisterVariable (&joy_advaxisz);
1780         Cvar_RegisterVariable (&joy_advaxisr);
1781         Cvar_RegisterVariable (&joy_advaxisu);
1782         Cvar_RegisterVariable (&joy_advaxisv);
1783         Cvar_RegisterVariable (&joy_forwardthreshold);
1784         Cvar_RegisterVariable (&joy_sidethreshold);
1785         Cvar_RegisterVariable (&joy_pitchthreshold);
1786         Cvar_RegisterVariable (&joy_yawthreshold);
1787         Cvar_RegisterVariable (&joy_forwardsensitivity);
1788         Cvar_RegisterVariable (&joy_sidesensitivity);
1789         Cvar_RegisterVariable (&joy_pitchsensitivity);
1790         Cvar_RegisterVariable (&joy_yawsensitivity);
1791         Cvar_RegisterVariable (&joy_wwhack1);
1792         Cvar_RegisterVariable (&joy_wwhack2);
1793         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1794 }
1795
1796 static void IN_Shutdown(void)
1797 {
1798         IN_Activate (false);
1799
1800         if (g_pMouse)
1801                 IDirectInputDevice_Release(g_pMouse);
1802         g_pMouse = NULL;
1803
1804         if (g_pdi)
1805                 IDirectInput_Release(g_pdi);
1806         g_pdi = NULL;
1807 }