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 "winquake.h"
  24 #include "resource.h"
  25 #include <commctrl.h>
  26
  27 int cl_available = true;
  28
  29 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  30 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  31 //int (WINAPI *qwglGetPixelFormat)(HDC);
  32 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  33 BOOL (WINAPI *qwglSwapBuffers)(HDC);
  34 HGLRC (WINAPI *qwglCreateContext)(HDC);
  35 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  36 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  37 HDC (WINAPI *qwglGetCurrentDC)(VOID);
  38 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  39 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  40 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  41 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  42
  43 static dllfunction_t wglfuncs[] =
  44 {
  45         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  46         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  47 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  48         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  49         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  50         {"wglCreateContext", (void **) &qwglCreateContext},
  51         {"wglDeleteContext", (void **) &qwglDeleteContext},
  52         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  53         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  54         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  55         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  56         {NULL, NULL}
  57 };
  58
  59 static dllfunction_t wglswapintervalfuncs[] =
  60 {
  61         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  62         {NULL, NULL}
  63 };
  64
  65 qboolean scr_skipupdate;
  66
  67 static DEVMODE gdevmode;
  68 static qboolean vid_initialized = false;
  69 static qboolean vid_wassuspended = false;
  70 static int vid_usingmouse;
  71 extern qboolean mouseactive;  // from in_win.c
  72 static HICON hIcon;
  73
  74 HWND mainwindow;
  75
  76 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  77
  78 static int vid_isfullscreen;
  79
  80 //void VID_MenuDraw (void);
  81 //void VID_MenuKey (int key);
  82
  83 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  84 //void AppActivate(BOOL fActive, BOOL minimize);
  85 //void ClearAllStates (void);
  86 //void VID_UpdateWindowStatus (void);
  87
  88 //====================================
  89
  90 int window_x, window_y, window_width, window_height;
  91 int window_center_x, window_center_y;
  92
  93 void IN_ShowMouse (void);
  94 void IN_DeactivateMouse (void);
  95 void IN_HideMouse (void);
  96 void IN_ActivateMouse (void);
  97 void IN_MouseEvent (int mstate);
  98 void IN_UpdateClipCursor (void);
  99
 100 qboolean mouseinitialized;
 101 static qboolean dinput;
 102
 103 // input code
 104
 105 #include <dinput.h>
 106
 107 #define DINPUT_BUFFERSIZE           16
 108 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 109
 110 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
 111         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 112
 113 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 114 /* backslash :: imouse explorer buttons */
 115 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 116    MS's platform SDK, but we need them for compilation. . . */
 117 #ifndef WM_XBUTTONDOWN
 118    #define WM_XBUTTONDOWN      0x020B
 119    #define WM_XBUTTONUP      0x020C
 120 #endif
 121 #ifndef MK_XBUTTON1
 122    #define MK_XBUTTON1         0x0020
 123    #define MK_XBUTTON2         0x0040
 124 // LordHavoc: lets hope this allows more buttons in the future...
 125    #define MK_XBUTTON3         0x0080
 126    #define MK_XBUTTON4         0x0100
 127    #define MK_XBUTTON5         0x0200
 128    #define MK_XBUTTON6         0x0400
 129    #define MK_XBUTTON7         0x0800
 130 #endif
 131 /* :: backslash */
 132
 133 // mouse variables
 134 int                     mouse_buttons;
 135 int                     mouse_oldbuttonstate;
 136 POINT           current_pos;
 137 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
 138
 139 static qboolean restore_spi;
 140 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
 141
 142 unsigned int uiWheelMessage;
 143 qboolean        mouseactive;
 144 //qboolean              mouseinitialized;
 145 static qboolean mouseparmsvalid, mouseactivatetoggle;
 146 static qboolean mouseshowtoggle = 1;
 147 static qboolean dinput_acquired;
 148
 149 static unsigned int             mstate_di;
 150
 151 // joystick defines and variables
 152 // where should defines be moved?
 153 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 154 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 155 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 156 #define JOY_AXIS_X                      0
 157 #define JOY_AXIS_Y                      1
 158 #define JOY_AXIS_Z                      2
 159 #define JOY_AXIS_R                      3
 160 #define JOY_AXIS_U                      4
 161 #define JOY_AXIS_V                      5
 162
 163 enum _ControlList
 164 {
 165         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 166 };
 167
 168 DWORD   dwAxisFlags[JOY_MAX_AXES] =
 169 {
 170         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 171 };
 172
 173 DWORD   dwAxisMap[JOY_MAX_AXES];
 174 DWORD   dwControlMap[JOY_MAX_AXES];
 175 PDWORD  pdwRawValue[JOY_MAX_AXES];
 176
 177 // none of these cvars are saved over a session
 178 // this means that advanced controller configuration needs to be executed
 179 // each time.  this avoids any problems with getting back to a default usage
 180 // or when changing from one controller to another.  this way at least something
 181 // works.
 182 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
 183 cvar_t  joy_name = {0, "joyname", "joystick"};
 184 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
 185 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
 186 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
 187 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
 188 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
 189 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
 190 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
 191 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
 192 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
 193 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
 194 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
 195 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 196 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 197 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 198 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 199 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
 200 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
 201
 202 qboolean        joy_avail, joy_advancedinit, joy_haspov;
 203 DWORD           joy_oldbuttonstate, joy_oldpovstate;
 204
 205 int                     joy_id;
 206 DWORD           joy_flags;
 207 DWORD           joy_numbuttons;
 208
 209 static LPDIRECTINPUT            g_pdi;
 210 static LPDIRECTINPUTDEVICE      g_pMouse;
 211
 212 static JOYINFOEX        ji;
 213
 214 static HINSTANCE hInstDI;
 215
 216 //static qboolean       dinput;
 217
 218 typedef struct MYDATA {
 219         LONG  lX;                   // X axis goes here
 220         LONG  lY;                   // Y axis goes here
 221         LONG  lZ;                   // Z axis goes here
 222         BYTE  bButtonA;             // One button goes here
 223         BYTE  bButtonB;             // Another button goes here
 224         BYTE  bButtonC;             // Another button goes here
 225         BYTE  bButtonD;             // Another button goes here
 226 } MYDATA;
 227
 228 static DIOBJECTDATAFORMAT rgodf[] = {
 229   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 230   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 231   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 232   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 233   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 234   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 235   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 236 };
 237
 238 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 239
 240 static DIDATAFORMAT     df = {
 241         sizeof(DIDATAFORMAT),       // this structure
 242         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 243         DIDF_RELAXIS,               // absolute axis coordinates
 244         sizeof(MYDATA),             // device data size
 245         NUM_OBJECTS,                // number of objects
 246         rgodf,                      // and here they are
 247 };
 248
 249 // forward-referenced functions
 250 void IN_StartupJoystick (void);
 251 void Joy_AdvancedUpdate_f (void);
 252 void IN_JoyMove (usercmd_t *cmd);
 253 void IN_StartupMouse (void);
 254
 255 /*
 256 ================
 257 VID_UpdateWindowStatus
 258 ================
 259 */
 260 void VID_UpdateWindowStatus (void)
 261 {
 262         window_center_x = window_x + window_width / 2;
 263         window_center_y = window_y + window_height / 2;
 264
 265         if (mouseinitialized && mouseactive && !dinput)
 266         {
 267                 RECT window_rect;
 268                 window_rect.left = window_x;
 269                 window_rect.top = window_y;
 270                 window_rect.right = window_x + window_width;
 271                 window_rect.bottom = window_y + window_height;
 272                 ClipCursor (&window_rect);
 273         }
 274 }
 275
 276
 277 //====================================
 278
 279 /*
 280 =================
 281 VID_GetWindowSize
 282 =================
 283 */
 284 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 285 {
 286         *x = 0;
 287         *y = 0;
 288         *width = window_width;
 289         *height = window_height;
 290 }
 291
 292
 293 void VID_Finish (void)
 294 {
 295         HDC hdc;
 296         int vid_usemouse;
 297         if (r_render.integer && !scr_skipupdate)
 298         {
 299                 qglFinish();
 300                 hdc = GetDC(mainwindow);
 301                 SwapBuffers(hdc);
 302                 ReleaseDC(mainwindow, hdc);
 303         }
 304
 305 // handle the mouse state when windowed if that's changed
 306         vid_usemouse = false;
 307         if (vid_mouse.integer && !key_consoleactive)
 308                 vid_usemouse = true;
 309         if (vid_isfullscreen)
 310                 vid_usemouse = true;
 311         if (!vid_activewindow)
 312                 vid_usemouse = false;
 313         if (vid_usemouse)
 314         {
 315                 if (!vid_usingmouse)
 316                 {
 317                         vid_usingmouse = true;
 318                         IN_ActivateMouse ();
 319                         IN_HideMouse();
 320                 }
 321         }
 322         else
 323         {
 324                 if (vid_usingmouse)
 325                 {
 326                         vid_usingmouse = false;
 327                         IN_DeactivateMouse ();
 328                         IN_ShowMouse();
 329                 }
 330         }
 331 }
 332
 333 //==========================================================================
 334
 335
 336
 337
 338 qbyte scantokey[128] =
 339 {
 340 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 341         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 342         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 343         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 344         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 345         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
 346         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 347         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 348         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 349 };
 350
 351
 352 /*
 353 =======
 354 MapKey
 355
 356 Map from windows to quake keynums
 357 =======
 358 */
 359 int MapKey (int key, int virtualkey)
 360 {
 361         int result;
 362         int modified = (key >> 16) & 255;
 363         qboolean is_extended = false;
 364
 365         if (modified < 128 && scantokey[modified])
 366                 result = scantokey[modified];
 367         else
 368         {
 369                 result = 0;
 370                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 371         }
 372
 373         if (key & (1 << 24))
 374                 is_extended = true;
 375
 376         if ( !is_extended )
 377         {
 378                 switch ( result )
 379                 {
 380                 case K_HOME:
 381                         return K_KP_HOME;
 382                 case K_UPARROW:
 383                         return K_KP_UPARROW;
 384                 case K_PGUP:
 385                         return K_KP_PGUP;
 386                 case K_LEFTARROW:
 387                         return K_KP_LEFTARROW;
 388                 case K_RIGHTARROW:
 389                         return K_KP_RIGHTARROW;
 390                 case K_END:
 391                         return K_KP_END;
 392                 case K_DOWNARROW:
 393                         return K_KP_DOWNARROW;
 394                 case K_PGDN:
 395                         return K_KP_PGDN;
 396                 case K_INS:
 397                         return K_KP_INS;
 398                 case K_DEL:
 399                         return K_KP_DEL;
 400                 default:
 401                         return result;
 402                 }
 403         }
 404         else
 405         {
 406                 switch ( result )
 407                 {
 408                 case 0x0D:
 409                         return K_KP_ENTER;
 410                 case 0x2F:
 411                         return K_KP_SLASH;
 412                 case 0xAF:
 413                         return K_KP_PLUS;
 414                 }
 415                 return result;
 416         }
 417 }
 418
 419 /*
 420 ===================================================================
 421
 422 MAIN WINDOW
 423
 424 ===================================================================
 425 */
 426
 427 /*
 428 ================
 429 ClearAllStates
 430 ================
 431 */
 432 void ClearAllStates (void)
 433 {
 434         int             i;
 435
 436 // send an up event for each key, to make sure the server clears them all
 437         for (i=0 ; i<256 ; i++)
 438         {
 439                 Key_Event (i, false);
 440         }
 441
 442         Key_ClearStates ();
 443         IN_ClearStates ();
 444 }
 445
 446 extern qboolean host_loopactive;
 447
 448 void AppActivate(BOOL fActive, BOOL minimize)
 449 /****************************************************************************
 450 *
 451 * Function:     AppActivate
 452 * Parameters:   fActive - True if app is activating
 453 *
 454 * Description:  If the application is activating, then swap the system
 455 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 456 *               correctly.
 457 *
 458 ****************************************************************************/
 459 {
 460         static BOOL     sound_active;
 461
 462         vid_activewindow = fActive;
 463         vid_hidden = minimize;
 464
 465 // enable/disable sound on focus gain/loss
 466         if (!vid_activewindow && sound_active)
 467         {
 468                 S_BlockSound ();
 469                 sound_active = false;
 470         }
 471         else if (vid_activewindow && !sound_active)
 472         {
 473                 S_UnblockSound ();
 474                 sound_active = true;
 475         }
 476
 477         if (fActive)
 478         {
 479                 vid_allowhwgamma = true;
 480                 if (vid_isfullscreen)
 481                 {
 482                         if (vid_wassuspended)
 483                         {
 484                                 vid_wassuspended = false;
 485                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 486                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 487                         }
 488
 489                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 490                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 491                 }
 492         }
 493
 494         if (!fActive)
 495         {
 496                 vid_allowhwgamma = false;
 497                 vid_usingmouse = false;
 498                 IN_DeactivateMouse ();
 499                 IN_ShowMouse ();
 500                 if (vid_isfullscreen)
 501                 {
 502                         ChangeDisplaySettings (NULL, 0);
 503                         vid_wassuspended = true;
 504                 }
 505                 VID_RestoreSystemGamma();
 506         }
 507 }
 508
 509 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 510
 511 /* main window procedure */
 512 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 513 {
 514         LONG    lRet = 1;
 515         int             fActive, fMinimized, temp;
 516         extern unsigned int uiWheelMessage;
 517
 518         if ( uMsg == uiWheelMessage )
 519                 uMsg = WM_MOUSEWHEEL;
 520
 521         switch (uMsg)
 522         {
 523                 case WM_KILLFOCUS:
 524                         if (vid_isfullscreen)
 525                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 526                         break;
 527
 528                 case WM_CREATE:
 529                         break;
 530
 531                 case WM_MOVE:
 532                         window_x = (int) LOWORD(lParam);
 533                         window_y = (int) HIWORD(lParam);
 534                         VID_UpdateWindowStatus ();
 535                         break;
 536
 537                 case WM_KEYDOWN:
 538                 case WM_SYSKEYDOWN:
 539                         Key_Event (MapKey(lParam, wParam), true);
 540                         break;
 541
 542                 case WM_KEYUP:
 543                 case WM_SYSKEYUP:
 544                         Key_Event (MapKey(lParam, wParam), false);
 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                         IN_MouseEvent (temp);
 594
 595                         break;
 596
 597                 // JACK: This is the mouse wheel with the Intellimouse
 598                 // Its delta is either positive or neg, and we generate the proper
 599                 // Event.
 600                 case WM_MOUSEWHEEL:
 601                         if ((short) HIWORD(wParam) > 0) {
 602                                 Key_Event(K_MWHEELUP, true);
 603                                 Key_Event(K_MWHEELUP, false);
 604                         } else {
 605                                 Key_Event(K_MWHEELDOWN, true);
 606                                 Key_Event(K_MWHEELDOWN, false);
 607                         }
 608                         break;
 609
 610                 case WM_SIZE:
 611                         break;
 612
 613                 case WM_CLOSE:
 614                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 615                                 Sys_Quit ();
 616
 617                         break;
 618
 619                 case WM_ACTIVATE:
 620                         fActive = LOWORD(wParam);
 621                         fMinimized = (BOOL) HIWORD(wParam);
 622                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 623
 624                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 625                         ClearAllStates ();
 626
 627                         break;
 628
 629                 //case WM_DESTROY:
 630                 //      PostQuitMessage (0);
 631                 //      break;
 632
 633                 case MM_MCINOTIFY:
 634                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 635                         break;
 636
 637                 default:
 638                         /* pass all unhandled messages to DefWindowProc */
 639                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 640                 break;
 641         }
 642
 643         /* return 1 if handled message, 0 if not */
 644         return lRet;
 645 }
 646
 647 int VID_SetGamma(unsigned short *ramps)
 648 {
 649         HDC hdc = GetDC (NULL);
 650         int i = SetDeviceGammaRamp(hdc, ramps);
 651         ReleaseDC (NULL, hdc);
 652         return i; // return success or failure
 653 }
 654
 655 int VID_GetGamma(unsigned short *ramps)
 656 {
 657         HDC hdc = GetDC (NULL);
 658         int i = GetDeviceGammaRamp(hdc, ramps);
 659         ReleaseDC (NULL, hdc);
 660         return i; // return success or failure
 661 }
 662
 663 static HINSTANCE gldll;
 664
 665 int GL_OpenLibrary(const char *name)
 666 {
 667         Con_Printf("Loading OpenGL driver %s\n", name);
 668         GL_CloseLibrary();
 669         if (!(gldll = LoadLibrary(name)))
 670         {
 671                 Con_Printf("Unable to LoadLibrary %s\n", name);
 672                 return false;
 673         }
 674         strcpy(gl_driver, name);
 675         return true;
 676 }
 677
 678 void GL_CloseLibrary(void)
 679 {
 680         FreeLibrary(gldll);
 681         gldll = 0;
 682         gl_driver[0] = 0;
 683         qwglGetProcAddress = NULL;
 684         gl_extensions = "";
 685         gl_platform = "";
 686         gl_platformextensions = "";
 687 }
 688
 689 void *GL_GetProcAddress(const char *name)
 690 {
 691         void *p = NULL;
 692         if (qwglGetProcAddress != NULL)
 693                 p = (void *) qwglGetProcAddress(name);
 694         if (p == NULL)
 695                 p = (void *) GetProcAddress(gldll, name);
 696         return p;
 697 }
 698
 699 static void IN_Init(void);
 700 void VID_Init(void)
 701 {
 702         WNDCLASS wc;
 703
 704         InitCommonControls();
 705         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
 706
 707         // Register the frame class
 708         wc.style         = 0;
 709         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 710         wc.cbClsExtra    = 0;
 711         wc.cbWndExtra    = 0;
 712         wc.hInstance     = global_hInstance;
 713         wc.hIcon         = 0;
 714         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 715         wc.hbrBackground = NULL;
 716         wc.lpszMenuName  = 0;
 717         wc.lpszClassName = "DarkPlacesWindowClass";
 718
 719         if (!RegisterClass (&wc))
 720                 Sys_Error("Couldn't register window class\n");
 721
 722         IN_Init();
 723 }
 724
 725 int VID_InitMode (int fullscreen, int width, int height, int bpp)
 726 {
 727         int i;
 728         HDC hdc;
 729         RECT rect;
 730         MSG msg;
 731         PIXELFORMATDESCRIPTOR pfd =
 732         {
 733                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 734                 1,                              // version number
 735                 PFD_DRAW_TO_WINDOW              // support window
 736                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 737                 |  PFD_DOUBLEBUFFER ,   // double buffered
 738                 PFD_TYPE_RGBA,                  // RGBA type
 739                 24,                             // 24-bit color depth
 740                 0, 0, 0, 0, 0, 0,               // color bits ignored
 741                 0,                              // no alpha buffer
 742                 0,                              // shift bit ignored
 743                 0,                              // no accumulation buffer
 744                 0, 0, 0, 0,                     // accum bits ignored
 745                 32,                             // 32-bit z-buffer
 746                 0,                              // no stencil buffer
 747                 0,                              // no auxiliary buffer
 748                 PFD_MAIN_PLANE,                 // main layer
 749                 0,                              // reserved
 750                 0, 0, 0                         // layer masks ignored
 751         };
 752         int pixelformat;
 753         DWORD WindowStyle, ExWindowStyle;
 754         HGLRC baseRC;
 755         int CenterX, CenterY;
 756         const char *gldrivername;
 757
 758         if (vid_initialized)
 759                 Sys_Error("VID_InitMode called when video is already initialised\n");
 760
 761         // if stencil is enabled, ask for alpha too
 762         if (bpp >= 32)
 763         {
 764                 pfd.cStencilBits = 8;
 765                 pfd.cAlphaBits = 8;
 766         }
 767         else
 768         {
 769                 pfd.cStencilBits = 0;
 770                 pfd.cAlphaBits = 0;
 771         }
 772
 773         gldrivername = "opengl32.dll";
 774         i = COM_CheckParm("-gl_driver");
 775         if (i && i < com_argc - 1)
 776                 gldrivername = com_argv[i + 1];
 777         if (!GL_OpenLibrary(gldrivername))
 778         {
 779                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 780                 return false;
 781         }
 782
 783         memset(&gdevmode, 0, sizeof(gdevmode));
 784
 785         vid_isfullscreen = false;
 786         if (fullscreen)
 787         {
 788                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 789                 gdevmode.dmBitsPerPel = bpp;
 790                 gdevmode.dmPelsWidth = width;
 791                 gdevmode.dmPelsHeight = height;
 792                 gdevmode.dmSize = sizeof (gdevmode);
 793                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 794                 {
 795                         VID_Shutdown();
 796                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 797                         return false;
 798                 }
 799
 800                 vid_isfullscreen = true;
 801                 WindowStyle = WS_POPUP;
 802                 ExWindowStyle = WS_EX_TOPMOST;
 803         }
 804         else
 805         {
 806                 hdc = GetDC (NULL);
 807                 i = GetDeviceCaps(hdc, RASTERCAPS);
 808                 ReleaseDC (NULL, hdc);
 809                 if (i & RC_PALETTE)
 810                 {
 811                         VID_Shutdown();
 812                         Con_Printf ("Can't run in non-RGB mode\n");
 813                         return false;
 814                 }
 815
 816                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 817                 ExWindowStyle = 0;
 818         }
 819
 820         rect.top = 0;
 821         rect.left = 0;
 822         rect.right = width;
 823         rect.bottom = height;
 824         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 825
 826         if (fullscreen)
 827         {
 828                 CenterX = 0;
 829                 CenterY = 0;
 830         }
 831         else
 832         {
 833                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 834                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 835         }
 836         CenterX = max(0, CenterX);
 837         CenterY = max(0, CenterY);
 838
 839         // x and y may be changed by WM_MOVE messages
 840         window_x = CenterX;
 841         window_y = CenterY;
 842         window_width = width;
 843         window_height = height;
 844         rect.left += CenterX;
 845         rect.right += CenterX;
 846         rect.top += CenterY;
 847         rect.bottom += CenterY;
 848
 849         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 850         if (!mainwindow)
 851         {
 852                 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);
 853                 VID_Shutdown();
 854                 return false;
 855         }
 856
 857         /*
 858         if (!fullscreen)
 859                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 860         */
 861
 862         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 863         UpdateWindow (mainwindow);
 864
 865         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
 866         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
 867
 868         VID_UpdateWindowStatus ();
 869
 870         // now we try to make sure we get the focus on the mode switch, because
 871         // sometimes in some systems we don't.  We grab the foreground, then
 872         // finish setting up, pump all our messages, and sleep for a little while
 873         // to let messages finish bouncing around the system, then we put
 874         // ourselves at the top of the z order, then grab the foreground again,
 875         // Who knows if it helps, but it probably doesn't hurt
 876         SetForegroundWindow (mainwindow);
 877
 878         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 879         {
 880                 TranslateMessage (&msg);
 881                 DispatchMessage (&msg);
 882         }
 883
 884         Sleep (100);
 885
 886         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 887
 888         SetForegroundWindow (mainwindow);
 889
 890         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 891         ClearAllStates ();
 892
 893         hdc = GetDC(mainwindow);
 894
 895         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
 896         {
 897                 VID_Shutdown();
 898                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
 899                 return false;
 900         }
 901
 902         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
 903         {
 904                 VID_Shutdown();
 905                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
 906                 return false;
 907         }
 908
 909         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 910         {
 911                 VID_Shutdown();
 912                 Con_Printf("wgl functions not found\n");
 913                 return false;
 914         }
 915
 916         baseRC = qwglCreateContext(hdc);
 917         if (!baseRC)
 918         {
 919                 VID_Shutdown();
 920                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 921                 return false;
 922         }
 923         if (!qwglMakeCurrent(hdc, baseRC))
 924         {
 925                 VID_Shutdown();
 926                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
 927                 return false;
 928         }
 929
 930         qglGetString = GL_GetProcAddress("glGetString");
 931         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
 932         if (qglGetString == NULL)
 933         {
 934                 VID_Shutdown();
 935                 Con_Printf("glGetString not found\n");
 936                 return false;
 937         }
 938         gl_renderer = qglGetString(GL_RENDERER);
 939         gl_vendor = qglGetString(GL_VENDOR);
 940         gl_version = qglGetString(GL_VERSION);
 941         gl_extensions = qglGetString(GL_EXTENSIONS);
 942         gl_platform = "WGL";
 943         gl_platformextensions = "";
 944
 945         if (qwglGetExtensionsStringARB)
 946                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
 947
 948         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
 949         ReleaseDC(mainwindow, hdc);
 950
 951         GL_Init ();
 952
 953         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 954         if (strncasecmp(gl_vendor,"ATI",3)==0)
 955         {
 956                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 957                         isRagePro = true;
 958         }
 959         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 960                 isG200 = true;
 961
 962         //vid_menudrawfn = VID_MenuDraw;
 963         //vid_menukeyfn = VID_MenuKey;
 964         vid_hidden = false;
 965         vid_initialized = true;
 966
 967         IN_StartupMouse ();
 968         IN_StartupJoystick ();
 969
 970         return true;
 971 }
 972
 973 static void IN_Shutdown(void);
 974 void VID_Shutdown (void)
 975 {
 976         HGLRC hRC = 0;
 977         HDC hDC = 0;
 978
 979         if(vid_initialized == false)
 980                 return;
 981
 982         VID_RestoreSystemGamma();
 983
 984         vid_initialized = false;
 985         IN_Shutdown();
 986         if (qwglGetCurrentContext)
 987                 hRC = qwglGetCurrentContext();
 988         if (qwglGetCurrentDC)
 989                 hDC = qwglGetCurrentDC();
 990         if (qwglMakeCurrent)
 991                 qwglMakeCurrent(NULL, NULL);
 992         if (hRC && qwglDeleteContext)
 993                 qwglDeleteContext(hRC);
 994         // close the library before we get rid of the window
 995         GL_CloseLibrary();
 996         if (hDC && mainwindow)
 997                 ReleaseDC(mainwindow, hDC);
 998         AppActivate(false, false);
 999         if (mainwindow)
1000                 DestroyWindow(mainwindow);
1001         mainwindow = 0;
1002         if (vid_isfullscreen)
1003                 ChangeDisplaySettings (NULL, 0);
1004         vid_isfullscreen = false;
1005 }
1006
1007
1008 /*
1009 ===========
1010 IN_ShowMouse
1011 ===========
1012 */
1013 void IN_ShowMouse (void)
1014 {
1015         if (!mouseshowtoggle)
1016         {
1017                 ShowCursor (true);
1018                 mouseshowtoggle = 1;
1019         }
1020 }
1021
1022
1023 /*
1024 ===========
1025 IN_HideMouse
1026 ===========
1027 */
1028 void IN_HideMouse (void)
1029 {
1030         if (mouseshowtoggle)
1031         {
1032                 ShowCursor (false);
1033                 mouseshowtoggle = 0;
1034         }
1035 }
1036
1037
1038 /*
1039 ===========
1040 IN_ActivateMouse
1041 ===========
1042 */
1043 void IN_ActivateMouse (void)
1044 {
1045
1046         mouseactivatetoggle = true;
1047
1048         if (mouseinitialized)
1049         {
1050                 if (dinput)
1051                 {
1052                         if (g_pMouse)
1053                         {
1054                                 if (!dinput_acquired)
1055                                 {
1056                                         IDirectInputDevice_Acquire(g_pMouse);
1057                                         dinput_acquired = true;
1058                                 }
1059                         }
1060                         else
1061                         {
1062                                 return;
1063                         }
1064                 }
1065                 else
1066                 {
1067                         RECT window_rect;
1068                         window_rect.left = window_x;
1069                         window_rect.top = window_y;
1070                         window_rect.right = window_x + window_width;
1071                         window_rect.bottom = window_y + window_height;
1072
1073                         if (mouseparmsvalid)
1074                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1075
1076                         SetCursorPos (window_center_x, window_center_y);
1077                         SetCapture (mainwindow);
1078                         ClipCursor (&window_rect);
1079                 }
1080
1081                 mouseactive = true;
1082         }
1083 }
1084
1085
1086 /*
1087 ===========
1088 IN_DeactivateMouse
1089 ===========
1090 */
1091 void IN_DeactivateMouse (void)
1092 {
1093
1094         mouseactivatetoggle = false;
1095
1096         if (mouseinitialized)
1097         {
1098                 if (dinput)
1099                 {
1100                         if (g_pMouse)
1101                         {
1102                                 if (dinput_acquired)
1103                                 {
1104                                         IDirectInputDevice_Unacquire(g_pMouse);
1105                                         dinput_acquired = false;
1106                                 }
1107                         }
1108                 }
1109                 else
1110                 {
1111                         if (restore_spi)
1112                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1113
1114                         ClipCursor (NULL);
1115                         ReleaseCapture ();
1116                 }
1117
1118                 mouseactive = false;
1119         }
1120 }
1121
1122
1123 /*
1124 ===========
1125 IN_InitDInput
1126 ===========
1127 */
1128 qboolean IN_InitDInput (void)
1129 {
1130     HRESULT             hr;
1131         DIPROPDWORD     dipdw = {
1132                 {
1133                         sizeof(DIPROPDWORD),        // diph.dwSize
1134                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1135                         0,                          // diph.dwObj
1136                         DIPH_DEVICE,                // diph.dwHow
1137                 },
1138                 DINPUT_BUFFERSIZE,              // dwData
1139         };
1140
1141         if (!hInstDI)
1142         {
1143                 hInstDI = LoadLibrary("dinput.dll");
1144
1145                 if (hInstDI == NULL)
1146                 {
1147                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1148                         return false;
1149                 }
1150         }
1151
1152         if (!pDirectInputCreate)
1153         {
1154                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1155
1156                 if (!pDirectInputCreate)
1157                 {
1158                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1159                         return false;
1160                 }
1161         }
1162
1163 // register with DirectInput and get an IDirectInput to play with.
1164         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1165
1166         if (FAILED(hr))
1167         {
1168                 return false;
1169         }
1170
1171 // obtain an interface to the system mouse device.
1172         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1173
1174         if (FAILED(hr))
1175         {
1176                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1177                 return false;
1178         }
1179
1180 // set the data format to "mouse format".
1181         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1182
1183         if (FAILED(hr))
1184         {
1185                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1186                 return false;
1187         }
1188
1189 // set the cooperativity level.
1190         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1191                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1192
1193         if (FAILED(hr))
1194         {
1195                 Con_SafePrintf ("Couldn't set DI coop level\n");
1196                 return false;
1197         }
1198
1199
1200 // set the buffer size to DINPUT_BUFFERSIZE elements.
1201 // the buffer size is a DWORD property associated with the device
1202         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1203
1204         if (FAILED(hr))
1205         {
1206                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1207                 return false;
1208         }
1209
1210         return true;
1211 }
1212
1213
1214 /*
1215 ===========
1216 IN_StartupMouse
1217 ===========
1218 */
1219 void IN_StartupMouse (void)
1220 {
1221         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1222                 return;
1223
1224         mouseinitialized = true;
1225
1226         if (COM_CheckParm ("-dinput"))
1227         {
1228                 dinput = IN_InitDInput ();
1229
1230                 if (dinput)
1231                 {
1232                         Con_SafePrintf ("DirectInput initialized\n");
1233                 }
1234                 else
1235                 {
1236                         Con_SafePrintf ("DirectInput not initialized\n");
1237                 }
1238         }
1239
1240         if (!dinput)
1241         {
1242                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1243
1244                 if (mouseparmsvalid)
1245                 {
1246                         if ( COM_CheckParm ("-noforcemspd") )
1247                                 newmouseparms[2] = originalmouseparms[2];
1248
1249                         if ( COM_CheckParm ("-noforcemaccel") )
1250                         {
1251                                 newmouseparms[0] = originalmouseparms[0];
1252                                 newmouseparms[1] = originalmouseparms[1];
1253                         }
1254
1255                         if ( COM_CheckParm ("-noforcemparms") )
1256                         {
1257                                 newmouseparms[0] = originalmouseparms[0];
1258                                 newmouseparms[1] = originalmouseparms[1];
1259                                 newmouseparms[2] = originalmouseparms[2];
1260                         }
1261                 }
1262         }
1263
1264         mouse_buttons = 10;
1265
1266 // if a fullscreen video mode was set before the mouse was initialized,
1267 // set the mouse state appropriately
1268         if (mouseactivatetoggle)
1269                 IN_ActivateMouse ();
1270 }
1271
1272
1273 /*
1274 ===========
1275 IN_MouseEvent
1276 ===========
1277 */
1278 void IN_MouseEvent (int mstate)
1279 {
1280         int     i;
1281
1282         if (mouseactive && !dinput)
1283         {
1284         // perform button actions
1285                 for (i=0 ; i<mouse_buttons ; i++)
1286                 {
1287                         if ( (mstate & (1<<i)) &&
1288                                 !(mouse_oldbuttonstate & (1<<i)) )
1289                         {
1290                                 Key_Event (K_MOUSE1 + i, true);
1291                         }
1292
1293                         if ( !(mstate & (1<<i)) &&
1294                                 (mouse_oldbuttonstate & (1<<i)) )
1295                         {
1296                                 Key_Event (K_MOUSE1 + i, false);
1297                         }
1298                 }
1299
1300                 mouse_oldbuttonstate = mstate;
1301         }
1302 }
1303
1304
1305 /*
1306 ===========
1307 IN_MouseMove
1308 ===========
1309 */
1310 void IN_MouseMove (usercmd_t *cmd)
1311 {
1312         int                                     i, mx, my;
1313         DIDEVICEOBJECTDATA      od;
1314         DWORD                           dwElements;
1315         HRESULT                         hr;
1316
1317         if (!mouseactive)
1318         {
1319                 GetCursorPos (&current_pos);
1320                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1321                 return;
1322         }
1323
1324         if (dinput)
1325         {
1326                 mx = 0;
1327                 my = 0;
1328
1329                 for (;;)
1330                 {
1331                         dwElements = 1;
1332
1333                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1334                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1335
1336                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1337                         {
1338                                 dinput_acquired = true;
1339                                 IDirectInputDevice_Acquire(g_pMouse);
1340                                 break;
1341                         }
1342
1343                         /* Unable to read data or no data available */
1344                         if (FAILED(hr) || dwElements == 0)
1345                                 break;
1346
1347                         /* Look at the element to see what happened */
1348
1349                         switch (od.dwOfs)
1350                         {
1351                                 case DIMOFS_X:
1352                                         mx += od.dwData;
1353                                         break;
1354
1355                                 case DIMOFS_Y:
1356                                         my += od.dwData;
1357                                         break;
1358
1359                                 case DIMOFS_BUTTON0:
1360                                         if (od.dwData & 0x80)
1361                                                 mstate_di |= 1;
1362                                         else
1363                                                 mstate_di &= ~1;
1364                                         break;
1365
1366                                 case DIMOFS_BUTTON1:
1367                                         if (od.dwData & 0x80)
1368                                                 mstate_di |= (1<<1);
1369                                         else
1370                                                 mstate_di &= ~(1<<1);
1371                                         break;
1372
1373                                 case DIMOFS_BUTTON2:
1374                                         if (od.dwData & 0x80)
1375                                                 mstate_di |= (1<<2);
1376                                         else
1377                                                 mstate_di &= ~(1<<2);
1378                                         break;
1379                         }
1380                 }
1381
1382         // perform button actions
1383                 for (i=0 ; i<mouse_buttons ; i++)
1384                 {
1385                         if ( (mstate_di & (1<<i)) &&
1386                                 !(mouse_oldbuttonstate & (1<<i)) )
1387                         {
1388                                 Key_Event (K_MOUSE1 + i, true);
1389                         }
1390
1391                         if ( !(mstate_di & (1<<i)) &&
1392                                 (mouse_oldbuttonstate & (1<<i)) )
1393                         {
1394                                 Key_Event (K_MOUSE1 + i, false);
1395                         }
1396                 }
1397
1398                 mouse_oldbuttonstate = mstate_di;
1399         }
1400         else
1401         {
1402                 GetCursorPos (&current_pos);
1403                 mx = current_pos.x - window_center_x + mx_accum;
1404                 my = current_pos.y - window_center_y + my_accum;
1405                 mx_accum = 0;
1406                 my_accum = 0;
1407         }
1408
1409         IN_Mouse(cmd, mx, my);
1410
1411         // if the mouse has moved, force it to the center, so there's room to move
1412         if (!dinput && (mx || my))
1413                 SetCursorPos (window_center_x, window_center_y);
1414 }
1415
1416
1417 /*
1418 ===========
1419 IN_Move
1420 ===========
1421 */
1422 void IN_Move (usercmd_t *cmd)
1423 {
1424         if (vid_activewindow && !vid_hidden)
1425         {
1426                 IN_MouseMove (cmd);
1427                 IN_JoyMove (cmd);
1428         }
1429 }
1430
1431
1432 /*
1433 ===========
1434 IN_Accumulate
1435 ===========
1436 */
1437 void IN_Accumulate (void)
1438 {
1439         if (mouseactive)
1440         {
1441                 if (!dinput)
1442                 {
1443                         GetCursorPos (&current_pos);
1444
1445                         mx_accum += current_pos.x - window_center_x;
1446                         my_accum += current_pos.y - window_center_y;
1447
1448                 // force the mouse to the center, so there's room to move
1449                         SetCursorPos (window_center_x, window_center_y);
1450                 }
1451         }
1452 }
1453
1454
1455 /*
1456 ===================
1457 IN_ClearStates
1458 ===================
1459 */
1460 void IN_ClearStates (void)
1461 {
1462         if (mouseactive)
1463         {
1464                 mx_accum = 0;
1465                 my_accum = 0;
1466                 mouse_oldbuttonstate = 0;
1467         }
1468 }
1469
1470
1471 /*
1472 ===============
1473 IN_StartupJoystick
1474 ===============
1475 */
1476 void IN_StartupJoystick (void)
1477 {
1478         int                     numdevs;
1479         JOYCAPS         jc;
1480         MMRESULT        mmr;
1481         mmr = 0;
1482
1483         // assume no joystick
1484         joy_avail = false;
1485
1486         // abort startup if user requests no joystick
1487         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1488                 return;
1489
1490         // verify joystick driver is present
1491         if ((numdevs = joyGetNumDevs ()) == 0)
1492         {
1493                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1494                 return;
1495         }
1496
1497         // cycle through the joystick ids for the first valid one
1498         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1499         {
1500                 memset (&ji, 0, sizeof(ji));
1501                 ji.dwSize = sizeof(ji);
1502                 ji.dwFlags = JOY_RETURNCENTERED;
1503
1504                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1505                         break;
1506         }
1507
1508         // abort startup if we didn't find a valid joystick
1509         if (mmr != JOYERR_NOERROR)
1510         {
1511                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1512                 return;
1513         }
1514
1515         // get the capabilities of the selected joystick
1516         // abort startup if command fails
1517         memset (&jc, 0, sizeof(jc));
1518         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1519         {
1520                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1521                 return;
1522         }
1523
1524         // save the joystick's number of buttons and POV status
1525         joy_numbuttons = jc.wNumButtons;
1526         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1527
1528         // old button and POV states default to no buttons pressed
1529         joy_oldbuttonstate = joy_oldpovstate = 0;
1530
1531         // mark the joystick as available and advanced initialization not completed
1532         // this is needed as cvars are not available during initialization
1533
1534         joy_avail = true;
1535         joy_advancedinit = false;
1536
1537         Con_Printf ("\njoystick detected\n\n");
1538 }
1539
1540
1541 /*
1542 ===========
1543 RawValuePointer
1544 ===========
1545 */
1546 PDWORD RawValuePointer (int axis)
1547 {
1548         switch (axis)
1549         {
1550         case JOY_AXIS_X:
1551                 return &ji.dwXpos;
1552         case JOY_AXIS_Y:
1553                 return &ji.dwYpos;
1554         case JOY_AXIS_Z:
1555                 return &ji.dwZpos;
1556         case JOY_AXIS_R:
1557                 return &ji.dwRpos;
1558         case JOY_AXIS_U:
1559                 return &ji.dwUpos;
1560         case JOY_AXIS_V:
1561                 return &ji.dwVpos;
1562         }
1563         return NULL; // LordHavoc: hush compiler warning
1564 }
1565
1566
1567 /*
1568 ===========
1569 Joy_AdvancedUpdate_f
1570 ===========
1571 */
1572 void Joy_AdvancedUpdate_f (void)
1573 {
1574
1575         // called once by IN_ReadJoystick and by user whenever an update is needed
1576         // cvars are now available
1577         int     i;
1578         DWORD dwTemp;
1579
1580         // initialize all the maps
1581         for (i = 0; i < JOY_MAX_AXES; i++)
1582         {
1583                 dwAxisMap[i] = AxisNada;
1584                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1585                 pdwRawValue[i] = RawValuePointer(i);
1586         }
1587
1588         if( joy_advanced.integer == 0)
1589         {
1590                 // default joystick initialization
1591                 // 2 axes only with joystick control
1592                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1593                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1594                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1595                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1596         }
1597         else
1598         {
1599                 if (strcmp (joy_name.string, "joystick") != 0)
1600                 {
1601                         // notify user of advanced controller
1602                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1603                 }
1604
1605                 // advanced initialization here
1606                 // data supplied by user via joy_axisn cvars
1607                 dwTemp = (DWORD) joy_advaxisx.value;
1608                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1609                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1610                 dwTemp = (DWORD) joy_advaxisy.value;
1611                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1612                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1613                 dwTemp = (DWORD) joy_advaxisz.value;
1614                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1615                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1616                 dwTemp = (DWORD) joy_advaxisr.value;
1617                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1618                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1619                 dwTemp = (DWORD) joy_advaxisu.value;
1620                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1621                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1622                 dwTemp = (DWORD) joy_advaxisv.value;
1623                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1624                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1625         }
1626
1627         // compute the axes to collect from DirectInput
1628         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1629         for (i = 0; i < JOY_MAX_AXES; i++)
1630         {
1631                 if (dwAxisMap[i] != AxisNada)
1632                 {
1633                         joy_flags |= dwAxisFlags[i];
1634                 }
1635         }
1636 }
1637
1638
1639 /*
1640 ===========
1641 IN_Commands
1642 ===========
1643 */
1644 void IN_Commands (void)
1645 {
1646         int             i, key_index;
1647         DWORD   buttonstate, povstate;
1648
1649         if (!joy_avail)
1650         {
1651                 return;
1652         }
1653
1654
1655         // loop through the joystick buttons
1656         // key a joystick event or auxillary event for higher number buttons for each state change
1657         buttonstate = ji.dwButtons;
1658         for (i=0 ; i < (int) joy_numbuttons ; i++)
1659         {
1660                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1661                 {
1662                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1663                         Key_Event (key_index + i, true);
1664                 }
1665
1666                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1667                 {
1668                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1669                         Key_Event (key_index + i, false);
1670                 }
1671         }
1672         joy_oldbuttonstate = buttonstate;
1673
1674         if (joy_haspov)
1675         {
1676                 // convert POV information into 4 bits of state information
1677                 // this avoids any potential problems related to moving from one
1678                 // direction to another without going through the center position
1679                 povstate = 0;
1680                 if(ji.dwPOV != JOY_POVCENTERED)
1681                 {
1682                         if (ji.dwPOV == JOY_POVFORWARD)
1683                                 povstate |= 0x01;
1684                         if (ji.dwPOV == JOY_POVRIGHT)
1685                                 povstate |= 0x02;
1686                         if (ji.dwPOV == JOY_POVBACKWARD)
1687                                 povstate |= 0x04;
1688                         if (ji.dwPOV == JOY_POVLEFT)
1689                                 povstate |= 0x08;
1690                 }
1691                 // determine which bits have changed and key an auxillary event for each change
1692                 for (i=0 ; i < 4 ; i++)
1693                 {
1694                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1695                         {
1696                                 Key_Event (K_AUX29 + i, true);
1697                         }
1698
1699                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1700                         {
1701                                 Key_Event (K_AUX29 + i, false);
1702                         }
1703                 }
1704                 joy_oldpovstate = povstate;
1705         }
1706 }
1707
1708
1709 /*
1710 ===============
1711 IN_ReadJoystick
1712 ===============
1713 */
1714 qboolean IN_ReadJoystick (void)
1715 {
1716
1717         memset (&ji, 0, sizeof(ji));
1718         ji.dwSize = sizeof(ji);
1719         ji.dwFlags = joy_flags;
1720
1721         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1722         {
1723                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1724                 // rather than having 32768 be the zero point, they have the zero point at 32668
1725                 // go figure -- anyway, now we get the full resolution out of the device
1726                 if (joy_wwhack1.integer != 0.0)
1727                 {
1728                         ji.dwUpos += 100;
1729                 }
1730                 return true;
1731         }
1732         else
1733         {
1734                 // read error occurred
1735                 // turning off the joystick seems too harsh for 1 read error,
1736                 // but what should be done?
1737                 return false;
1738         }
1739 }
1740
1741
1742 /*
1743 ===========
1744 IN_JoyMove
1745 ===========
1746 */
1747 void IN_JoyMove (usercmd_t *cmd)
1748 {
1749         float   speed, aspeed;
1750         float   fAxisValue, fTemp;
1751         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1752
1753         // complete initialization if first time in
1754         // this is needed as cvars are not available at initialization time
1755         if( joy_advancedinit != true )
1756         {
1757                 Joy_AdvancedUpdate_f();
1758                 joy_advancedinit = true;
1759         }
1760
1761         // verify joystick is available and that the user wants to use it
1762         if (!joy_avail || !in_joystick.integer)
1763         {
1764                 return;
1765         }
1766
1767         // collect the joystick data, if possible
1768         if (IN_ReadJoystick () != true)
1769         {
1770                 return;
1771         }
1772
1773         if (in_speed.state & 1)
1774                 speed = cl_movespeedkey.value;
1775         else
1776                 speed = 1;
1777         // LordHavoc: viewzoom affects sensitivity for sniping
1778         aspeed = speed * host_realframetime * cl.viewzoom;
1779
1780         // loop through the axes
1781         for (i = 0; i < JOY_MAX_AXES; i++)
1782         {
1783                 // get the floating point zero-centered, potentially-inverted data for the current axis
1784                 fAxisValue = (float) *pdwRawValue[i];
1785                 // move centerpoint to zero
1786                 fAxisValue -= 32768.0;
1787
1788                 if (joy_wwhack2.integer != 0.0)
1789                 {
1790                         if (dwAxisMap[i] == AxisTurn)
1791                         {
1792                                 // this is a special formula for the Logitech WingMan Warrior
1793                                 // y=ax^b; where a = 300 and b = 1.3
1794                                 // also x values are in increments of 800 (so this is factored out)
1795                                 // then bounds check result to level out excessively high spin rates
1796                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1797                                 if (fTemp > 14000.0)
1798                                         fTemp = 14000.0;
1799                                 // restore direction information
1800                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1801                         }
1802                 }
1803
1804                 // convert range from -32768..32767 to -1..1
1805                 fAxisValue /= 32768.0;
1806
1807                 switch (dwAxisMap[i])
1808                 {
1809                 case AxisForward:
1810                         if ((joy_advanced.integer == 0) && mouselook)
1811                         {
1812                                 // user wants forward control to become look control
1813                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1814                                 {
1815                                         // if mouse invert is on, invert the joystick pitch value
1816                                         // only absolute control support here (joy_advanced is false)
1817                                         if (m_pitch.value < 0.0)
1818                                         {
1819                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1820                                         }
1821                                         else
1822                                         {
1823                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1824                                         }
1825                                         V_StopPitchDrift();
1826                                 }
1827                                 else
1828                                 {
1829                                         // no pitch movement
1830                                         // disable pitch return-to-center unless requested by user
1831                                         // *** this code can be removed when the lookspring bug is fixed
1832                                         // *** the bug always has the lookspring feature on
1833                                         if(lookspring.value == 0.0)
1834                                                 V_StopPitchDrift();
1835                                 }
1836                         }
1837                         else
1838                         {
1839                                 // user wants forward control to be forward control
1840                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1841                                 {
1842                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1843                                 }
1844                         }
1845                         break;
1846
1847                 case AxisSide:
1848                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1849                         {
1850                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1851                         }
1852                         break;
1853
1854                 case AxisTurn:
1855                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1856                         {
1857                                 // user wants turn control to become side control
1858                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1859                                 {
1860                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1861                                 }
1862                         }
1863                         else
1864                         {
1865                                 // user wants turn control to be turn control
1866                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1867                                 {
1868                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1869                                         {
1870                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1871                                         }
1872                                         else
1873                                         {
1874                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1875                                         }
1876
1877                                 }
1878                         }
1879                         break;
1880
1881                 case AxisLook:
1882                         if (mouselook)
1883                         {
1884                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1885                                 {
1886                                         // pitch movement detected and pitch movement desired by user
1887                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1888                                         {
1889                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1890                                         }
1891                                         else
1892                                         {
1893                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1894                                         }
1895                                         V_StopPitchDrift();
1896                                 }
1897                                 else
1898                                 {
1899                                         // no pitch movement
1900                                         // disable pitch return-to-center unless requested by user
1901                                         // *** this code can be removed when the lookspring bug is fixed
1902                                         // *** the bug always has the lookspring feature on
1903                                         if(lookspring.integer == 0)
1904                                                 V_StopPitchDrift();
1905                                 }
1906                         }
1907                         break;
1908
1909                 default:
1910                         break;
1911                 }
1912         }
1913 }
1914
1915 static void IN_Init(void)
1916 {
1917         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1918
1919         // joystick variables
1920         Cvar_RegisterVariable (&in_joystick);
1921         Cvar_RegisterVariable (&joy_name);
1922         Cvar_RegisterVariable (&joy_advanced);
1923         Cvar_RegisterVariable (&joy_advaxisx);
1924         Cvar_RegisterVariable (&joy_advaxisy);
1925         Cvar_RegisterVariable (&joy_advaxisz);
1926         Cvar_RegisterVariable (&joy_advaxisr);
1927         Cvar_RegisterVariable (&joy_advaxisu);
1928         Cvar_RegisterVariable (&joy_advaxisv);
1929         Cvar_RegisterVariable (&joy_forwardthreshold);
1930         Cvar_RegisterVariable (&joy_sidethreshold);
1931         Cvar_RegisterVariable (&joy_pitchthreshold);
1932         Cvar_RegisterVariable (&joy_yawthreshold);
1933         Cvar_RegisterVariable (&joy_forwardsensitivity);
1934         Cvar_RegisterVariable (&joy_sidesensitivity);
1935         Cvar_RegisterVariable (&joy_pitchsensitivity);
1936         Cvar_RegisterVariable (&joy_yawsensitivity);
1937         Cvar_RegisterVariable (&joy_wwhack1);
1938         Cvar_RegisterVariable (&joy_wwhack2);
1939         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1940 }
1941
1942 static void IN_Shutdown(void)
1943 {
1944         IN_DeactivateMouse ();
1945         IN_ShowMouse ();
1946
1947         if (g_pMouse)
1948                 IDirectInputDevice_Release(g_pMouse);
1949         g_pMouse = NULL;
1950
1951         if (g_pdi)
1952                 IDirectInput_Release(g_pdi);
1953         g_pdi = NULL;
1954 }