renamed IN_Activate to VID_GrabMouse and made it a public function in
[xonotic/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 // we don't need a very new dinput
23 #define DIRECTINPUT_VERSION 0x0300
24
25 #include "quakedef.h"
26 #include <windows.h>
27 #include <mmsystem.h>
28 #ifdef SUPPORTDIRECTX
29 #include <dsound.h>
30 #endif
31 #include "resource.h"
32 #include <commctrl.h>
33 #ifdef SUPPORTDIRECTX
34 #include <dinput.h>
35 #endif
36
37 extern HINSTANCE global_hInstance;
38
39
40 #ifndef WM_MOUSEWHEEL
41 #define WM_MOUSEWHEEL                   0x020A
42 #endif
43
44 // Tell startup code that we have a client
45 int cl_available = true;
46
47 qboolean vid_supportrefreshrate = true;
48
49 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
50 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
51 //static int (WINAPI *qwglGetPixelFormat)(HDC);
52 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
53 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
54 static HGLRC (WINAPI *qwglCreateContext)(HDC);
55 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
56 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
57 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
58 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
59 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
60 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
61 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
62 static BOOL (WINAPI *qwglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
63 static BOOL (WINAPI *qwglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
64
65 static dllfunction_t wglfuncs[] =
66 {
67         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
68         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
69 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
70         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
71         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
72         {"wglCreateContext", (void **) &qwglCreateContext},
73         {"wglDeleteContext", (void **) &qwglDeleteContext},
74         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
75         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
76         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
77         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
78         {NULL, NULL}
79 };
80
81 static dllfunction_t wglswapintervalfuncs[] =
82 {
83         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
84         {NULL, NULL}
85 };
86
87 static dllfunction_t wglpixelformatfuncs[] =
88 {
89         {"wglChoosePixelFormatARB", (void **) &qwglChoosePixelFormatARB},
90         {"wglGetPixelFormatAttribivARB", (void **) &qwglGetPixelFormatAttribivARB},
91         {NULL, NULL}
92 };
93
94 static DEVMODE gdevmode, initialdevmode;
95 static qboolean vid_initialized = false;
96 static qboolean vid_wassuspended = false;
97 static qboolean vid_usingmouse = false;
98 static qboolean vid_usingvsync = false;
99 static qboolean vid_usevsync = false;
100 static HICON hIcon;
101
102 // used by cd_win.c and snd_win.c
103 HWND mainwindow;
104
105 static HDC       baseDC;
106 static HGLRC baseRC;
107
108 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
109
110 static qboolean vid_isfullscreen;
111
112 //void VID_MenuDraw (void);
113 //void VID_MenuKey (int key);
114
115 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
116 //void AppActivate(BOOL fActive, BOOL minimize);
117 //void ClearAllStates (void);
118 //void VID_UpdateWindowStatus (void);
119
120 //====================================
121
122 static int window_x, window_y;
123
124 static qboolean mouseinitialized;
125
126 #ifdef SUPPORTDIRECTX
127 static qboolean dinput;
128 #define DINPUT_BUFFERSIZE           16
129 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
130
131 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
132 #endif
133
134 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
135 /* backslash :: imouse explorer buttons */
136 /* These are #ifdefed out for non-Win2K in the February 2001 version of
137    MS's platform SDK, but we need them for compilation. . . */
138 #ifndef WM_XBUTTONDOWN
139    #define WM_XBUTTONDOWN      0x020B
140    #define WM_XBUTTONUP      0x020C
141 #endif
142 #ifndef MK_XBUTTON1
143    #define MK_XBUTTON1         0x0020
144    #define MK_XBUTTON2         0x0040
145 #endif
146 #ifndef MK_XBUTTON3
147 // LordHavoc: lets hope this allows more buttons in the future...
148    #define MK_XBUTTON3         0x0080
149    #define MK_XBUTTON4         0x0100
150    #define MK_XBUTTON5         0x0200
151    #define MK_XBUTTON6         0x0400
152    #define MK_XBUTTON7         0x0800
153 #endif
154 /* :: backslash */
155
156 // mouse variables
157 static int                      mouse_buttons;
158 static int                      mouse_oldbuttonstate;
159
160 static unsigned int uiWheelMessage;
161 #ifdef SUPPORTDIRECTX
162 static qboolean dinput_acquired;
163
164 static unsigned int             mstate_di;
165 #endif
166
167 // joystick defines and variables
168 // where should defines be moved?
169 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
170 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
171 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
172 #define JOY_AXIS_X                      0
173 #define JOY_AXIS_Y                      1
174 #define JOY_AXIS_Z                      2
175 #define JOY_AXIS_R                      3
176 #define JOY_AXIS_U                      4
177 #define JOY_AXIS_V                      5
178
179 enum _ControlList
180 {
181         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
182 };
183
184 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
185 {
186         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
187 };
188
189 static DWORD    dwAxisMap[JOY_MAX_AXES];
190 static DWORD    dwControlMap[JOY_MAX_AXES];
191 static PDWORD   pdwRawValue[JOY_MAX_AXES];
192
193 // none of these cvars are saved over a session
194 // this means that advanced controller configuration needs to be executed
195 // each time.  this avoids any problems with getting back to a default usage
196 // or when changing from one controller to another.  this way at least something
197 // works.
198 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
199 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
200 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
201 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
202 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
203 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
204 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
205 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
206 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
207 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
208 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
209 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
210 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
211 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
212 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
213 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
214 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
215 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
216 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
217
218 static cvar_t vid_forcerefreshrate = {0, "vid_forcerefreshrate", "0", "try to set the given vid_refreshrate even if Windows doesn't list it as valid video mode"};
219
220 static qboolean joy_avail, joy_advancedinit, joy_haspov;
221 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
222
223 static int                      joy_id;
224 static DWORD            joy_flags;
225 static DWORD            joy_numbuttons;
226
227 #ifdef SUPPORTDIRECTX
228 static LPDIRECTINPUT            g_pdi;
229 static LPDIRECTINPUTDEVICE      g_pMouse;
230 static HINSTANCE hInstDI;
231 #endif
232
233 static JOYINFOEX        ji;
234
235 // forward-referenced functions
236 static void IN_StartupJoystick (void);
237 static void Joy_AdvancedUpdate_f (void);
238 static void IN_JoyMove (void);
239 static void IN_StartupMouse (void);
240
241
242 //====================================
243
244 void VID_Finish (void)
245 {
246         qboolean vid_usemouse;
247
248         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
249         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
250         {
251                 vid_usingvsync = vid_usevsync;
252                 qwglSwapIntervalEXT (vid_usevsync);
253         }
254
255         if (r_render.integer && !vid_hidden)
256         {
257                 CHECKGLERROR
258                 if (r_speeds.integer || gl_finish.integer)
259                 {
260                         qglFinish();CHECKGLERROR
261                 }
262                 SwapBuffers(baseDC);
263         }
264
265         // make sure a context switch can happen every frame - Logitech drivers
266         // input drivers sometimes eat cpu time every 3 seconds or lag badly
267         // without this help
268         Sleep(0);
269
270         VID_UpdateGamma(false, 256);
271 }
272
273 //==========================================================================
274
275
276
277
278 static unsigned char scantokey[128] =
279 {
280 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
281         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
282         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
283         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
284         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
285         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
286         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
287         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
288         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
289 };
290
291
292 /*
293 =======
294 MapKey
295
296 Map from windows to quake keynums
297 =======
298 */
299 static int MapKey (int key, int virtualkey)
300 {
301         int result;
302         int modified = (key >> 16) & 255;
303         qboolean is_extended = false;
304
305         if (modified < 128 && scantokey[modified])
306                 result = scantokey[modified];
307         else
308         {
309                 result = 0;
310                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
311         }
312
313         if (key & (1 << 24))
314                 is_extended = true;
315
316         if ( !is_extended )
317         {
318                 switch ( result )
319                 {
320                 case K_HOME:
321                         return K_KP_HOME;
322                 case K_UPARROW:
323                         return K_KP_UPARROW;
324                 case K_PGUP:
325                         return K_KP_PGUP;
326                 case K_LEFTARROW:
327                         return K_KP_LEFTARROW;
328                 case K_RIGHTARROW:
329                         return K_KP_RIGHTARROW;
330                 case K_END:
331                         return K_KP_END;
332                 case K_DOWNARROW:
333                         return K_KP_DOWNARROW;
334                 case K_PGDN:
335                         return K_KP_PGDN;
336                 case K_INS:
337                         return K_KP_INS;
338                 case K_DEL:
339                         return K_KP_DEL;
340                 default:
341                         return result;
342                 }
343         }
344         else
345         {
346                 switch ( result )
347                 {
348                 case 0x0D:
349                         return K_KP_ENTER;
350                 case 0x2F:
351                         return K_KP_SLASH;
352                 case 0xAF:
353                         return K_KP_PLUS;
354                 }
355                 return result;
356         }
357 }
358
359 /*
360 ===================================================================
361
362 MAIN WINDOW
363
364 ===================================================================
365 */
366
367 /*
368 ================
369 ClearAllStates
370 ================
371 */
372 static void ClearAllStates (void)
373 {
374         Key_ClearStates ();
375         if (vid_usingmouse)
376                 mouse_oldbuttonstate = 0;
377 }
378
379 void AppActivate(BOOL fActive, BOOL minimize)
380 /****************************************************************************
381 *
382 * Function:     AppActivate
383 * Parameters:   fActive - True if app is activating
384 *
385 * Description:  If the application is activating, then swap the system
386 *               into SYSPAL_NOSTATIC mode so that our palettes will display
387 *               correctly.
388 *
389 ****************************************************************************/
390 {
391         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
392
393         vid_activewindow = fActive;
394         vid_hidden = minimize;
395
396         // enable/disable sound on focus gain/loss
397         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
398         {
399                 if (!sound_active)
400                 {
401                         S_UnblockSound ();
402                         sound_active = true;
403                 }
404         }
405         else
406         {
407                 if (sound_active)
408                 {
409                         S_BlockSound ();
410                         sound_active = false;
411                 }
412         }
413
414         if (fActive)
415         {
416                 if (vid_isfullscreen)
417                 {
418                         if (vid_wassuspended)
419                         {
420                                 vid_wassuspended = false;
421                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
422                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
423                         }
424
425                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
426                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
427                 }
428         }
429
430         if (!fActive)
431         {
432                 VID_GrabMouse(false);
433                 if (vid_isfullscreen)
434                 {
435                         ChangeDisplaySettings (NULL, 0);
436                         vid_wassuspended = true;
437                 }
438                 VID_RestoreSystemGamma();
439         }
440 }
441
442 //TODO: move it around in vid_wgl.c since I dont think this is the right position
443 void Sys_SendKeyEvents (void)
444 {
445         MSG msg;
446
447         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
448         {
449                 if (!GetMessage (&msg, NULL, 0, 0))
450                         Sys_Quit (1);
451
452                 TranslateMessage (&msg);
453                 DispatchMessage (&msg);
454         }
455 }
456
457 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
458
459 static keynum_t buttonremap[16] =
460 {
461         K_MOUSE1,
462         K_MOUSE2,
463         K_MOUSE3,
464         K_MOUSE4,
465         K_MOUSE5,
466         K_MOUSE6,
467         K_MOUSE7,
468         K_MOUSE8,
469         K_MOUSE9,
470         K_MOUSE10,
471         K_MOUSE11,
472         K_MOUSE12,
473         K_MOUSE13,
474         K_MOUSE14,
475         K_MOUSE15,
476         K_MOUSE16,
477 };
478
479 /* main window procedure */
480 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
481 {
482         LONG    lRet = 1;
483         int             fActive, fMinimized, temp;
484         char    state[256];
485         char    asciichar[4];
486         int             vkey;
487         int             charlength;
488         qboolean down = false;
489
490         if ( uMsg == uiWheelMessage )
491                 uMsg = WM_MOUSEWHEEL;
492
493         switch (uMsg)
494         {
495                 case WM_KILLFOCUS:
496                         if (vid_isfullscreen)
497                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
498                         break;
499
500                 case WM_CREATE:
501                         break;
502
503                 case WM_MOVE:
504                         window_x = (int) LOWORD(lParam);
505                         window_y = (int) HIWORD(lParam);
506                         VID_GrabMouse(false);
507                         break;
508
509                 case WM_KEYDOWN:
510                 case WM_SYSKEYDOWN:
511                         down = true;
512                 case WM_KEYUP:
513                 case WM_SYSKEYUP:
514                         vkey = MapKey(lParam, wParam);
515                         GetKeyboardState (state);
516                         // alt/ctrl/shift tend to produce funky ToAscii values,
517                         // and if it's not a single character we don't know care about it
518                         charlength = ToAscii (wParam, lParam >> 16, state, (LPWORD)asciichar, 0);
519                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
520                                 asciichar[0] = 0;
521                         else if( charlength == 2 ) {
522                                 asciichar[0] = asciichar[1];
523                         }
524                         Key_Event (vkey, asciichar[0], down);
525                         break;
526
527                 case WM_SYSCHAR:
528                 // keep Alt-Space from happening
529                         break;
530
531                 case WM_SYSCOMMAND:
532                         // prevent screensaver from occuring while the active window
533                         // note: password-locked screensavers on Vista still work
534                         if (vid_activewindow && ((wParam & 0xFFF0) == SC_SCREENSAVE || (wParam & 0xFFF0) == SC_MONITORPOWER))
535                                 lRet = 0;
536                         else
537                                 lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
538                         break;
539
540         // this is complicated because Win32 seems to pack multiple mouse events into
541         // one update sometimes, so we always check all states and look for events
542                 case WM_LBUTTONDOWN:
543                 case WM_LBUTTONUP:
544                 case WM_RBUTTONDOWN:
545                 case WM_RBUTTONUP:
546                 case WM_MBUTTONDOWN:
547                 case WM_MBUTTONUP:
548                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
549                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
550                 case WM_MOUSEMOVE:
551                         temp = 0;
552
553                         if (wParam & MK_LBUTTON)
554                                 temp |= 1;
555
556                         if (wParam & MK_RBUTTON)
557                                 temp |= 2;
558
559                         if (wParam & MK_MBUTTON)
560                                 temp |= 4;
561
562                         /* backslash :: imouse explorer buttons */
563                         if (wParam & MK_XBUTTON1)
564                                 temp |= 8;
565
566                         if (wParam & MK_XBUTTON2)
567                                 temp |= 16;
568                         /* :: backslash */
569
570                         // LordHavoc: lets hope this allows more buttons in the future...
571                         if (wParam & MK_XBUTTON3)
572                                 temp |= 32;
573                         if (wParam & MK_XBUTTON4)
574                                 temp |= 64;
575                         if (wParam & MK_XBUTTON5)
576                                 temp |= 128;
577                         if (wParam & MK_XBUTTON6)
578                                 temp |= 256;
579                         if (wParam & MK_XBUTTON7)
580                                 temp |= 512;
581
582 #ifdef SUPPORTDIRECTX
583                         if (vid_usingmouse && !dinput_acquired)
584 #else
585                         if (vid_usingmouse)
586 #endif
587                         {
588                                 // perform button actions
589                                 int i;
590                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
591                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
592                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
593                                 mouse_oldbuttonstate = temp;
594                         }
595
596                         break;
597
598                 // JACK: This is the mouse wheel with the Intellimouse
599                 // Its delta is either positive or neg, and we generate the proper
600                 // Event.
601                 case WM_MOUSEWHEEL:
602                         if ((short) HIWORD(wParam) > 0) {
603                                 Key_Event(K_MWHEELUP, 0, true);
604                                 Key_Event(K_MWHEELUP, 0, false);
605                         } else {
606                                 Key_Event(K_MWHEELDOWN, 0, true);
607                                 Key_Event(K_MWHEELDOWN, 0, false);
608                         }
609                         break;
610
611                 case WM_SIZE:
612                         break;
613
614                 case WM_CLOSE:
615                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
616                                 Sys_Quit (0);
617
618                         break;
619
620                 case WM_ACTIVATE:
621                         fActive = LOWORD(wParam);
622                         fMinimized = (BOOL) HIWORD(wParam);
623                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
624
625                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
626                         ClearAllStates ();
627
628                         break;
629
630                 //case WM_DESTROY:
631                 //      PostQuitMessage (0);
632                 //      break;
633
634                 case MM_MCINOTIFY:
635                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
636                         break;
637
638                 default:
639                         /* pass all unhandled messages to DefWindowProc */
640                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
641                 break;
642         }
643
644         /* return 1 if handled message, 0 if not */
645         return lRet;
646 }
647
648 int VID_SetGamma(unsigned short *ramps, int rampsize)
649 {
650         HDC hdc = GetDC (NULL);
651         int i = SetDeviceGammaRamp(hdc, ramps);
652         ReleaseDC (NULL, hdc);
653         return i; // return success or failure
654 }
655
656 int VID_GetGamma(unsigned short *ramps, int rampsize)
657 {
658         HDC hdc = GetDC (NULL);
659         int i = GetDeviceGammaRamp(hdc, ramps);
660         ReleaseDC (NULL, hdc);
661         return i; // return success or failure
662 }
663
664 static HINSTANCE gldll;
665
666 static void GL_CloseLibrary(void)
667 {
668         FreeLibrary(gldll);
669         gldll = 0;
670         gl_driver[0] = 0;
671         qwglGetProcAddress = NULL;
672         gl_extensions = "";
673         gl_platform = "";
674         gl_platformextensions = "";
675 }
676
677 static int GL_OpenLibrary(const char *name)
678 {
679         Con_Printf("Loading OpenGL driver %s\n", name);
680         GL_CloseLibrary();
681         if (!(gldll = LoadLibrary(name)))
682         {
683                 Con_Printf("Unable to LoadLibrary %s\n", name);
684                 return false;
685         }
686         strlcpy(gl_driver, name, sizeof(gl_driver));
687         return true;
688 }
689
690 void *GL_GetProcAddress(const char *name)
691 {
692         void *p = NULL;
693         if (qwglGetProcAddress != NULL)
694                 p = (void *) qwglGetProcAddress(name);
695         if (p == NULL)
696                 p = (void *) GetProcAddress(gldll, name);
697         return p;
698 }
699
700 #ifndef WGL_ARB_pixel_format
701 #define WGL_NUMBER_PIXEL_FORMATS_ARB   0x2000
702 #define WGL_DRAW_TO_WINDOW_ARB         0x2001
703 #define WGL_DRAW_TO_BITMAP_ARB         0x2002
704 #define WGL_ACCELERATION_ARB           0x2003
705 #define WGL_NEED_PALETTE_ARB           0x2004
706 #define WGL_NEED_SYSTEM_PALETTE_ARB    0x2005
707 #define WGL_SWAP_LAYER_BUFFERS_ARB     0x2006
708 #define WGL_SWAP_METHOD_ARB            0x2007
709 #define WGL_NUMBER_OVERLAYS_ARB        0x2008
710 #define WGL_NUMBER_UNDERLAYS_ARB       0x2009
711 #define WGL_TRANSPARENT_ARB            0x200A
712 #define WGL_TRANSPARENT_RED_VALUE_ARB  0x2037
713 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
714 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
715 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
716 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
717 #define WGL_SHARE_DEPTH_ARB            0x200C
718 #define WGL_SHARE_STENCIL_ARB          0x200D
719 #define WGL_SHARE_ACCUM_ARB            0x200E
720 #define WGL_SUPPORT_GDI_ARB            0x200F
721 #define WGL_SUPPORT_OPENGL_ARB         0x2010
722 #define WGL_DOUBLE_BUFFER_ARB          0x2011
723 #define WGL_STEREO_ARB                 0x2012
724 #define WGL_PIXEL_TYPE_ARB             0x2013
725 #define WGL_COLOR_BITS_ARB             0x2014
726 #define WGL_RED_BITS_ARB               0x2015
727 #define WGL_RED_SHIFT_ARB              0x2016
728 #define WGL_GREEN_BITS_ARB             0x2017
729 #define WGL_GREEN_SHIFT_ARB            0x2018
730 #define WGL_BLUE_BITS_ARB              0x2019
731 #define WGL_BLUE_SHIFT_ARB             0x201A
732 #define WGL_ALPHA_BITS_ARB             0x201B
733 #define WGL_ALPHA_SHIFT_ARB            0x201C
734 #define WGL_ACCUM_BITS_ARB             0x201D
735 #define WGL_ACCUM_RED_BITS_ARB         0x201E
736 #define WGL_ACCUM_GREEN_BITS_ARB       0x201F
737 #define WGL_ACCUM_BLUE_BITS_ARB        0x2020
738 #define WGL_ACCUM_ALPHA_BITS_ARB       0x2021
739 #define WGL_DEPTH_BITS_ARB             0x2022
740 #define WGL_STENCIL_BITS_ARB           0x2023
741 #define WGL_AUX_BUFFERS_ARB            0x2024
742 #define WGL_NO_ACCELERATION_ARB        0x2025
743 #define WGL_GENERIC_ACCELERATION_ARB   0x2026
744 #define WGL_FULL_ACCELERATION_ARB      0x2027
745 #define WGL_SWAP_EXCHANGE_ARB          0x2028
746 #define WGL_SWAP_COPY_ARB              0x2029
747 #define WGL_SWAP_UNDEFINED_ARB         0x202A
748 #define WGL_TYPE_RGBA_ARB              0x202B
749 #define WGL_TYPE_COLORINDEX_ARB        0x202C
750 #endif
751
752 #ifndef WGL_ARB_multisample
753 #define WGL_SAMPLE_BUFFERS_ARB         0x2041
754 #define WGL_SAMPLES_ARB                0x2042
755 #endif
756
757
758 static void IN_Init(void);
759 void VID_Init(void)
760 {
761         WNDCLASS wc;
762
763         InitCommonControls();
764         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
765
766         // Register the frame class
767         wc.style         = 0;
768         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
769         wc.cbClsExtra    = 0;
770         wc.cbWndExtra    = 0;
771         wc.hInstance     = global_hInstance;
772         wc.hIcon         = hIcon;
773         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
774         wc.hbrBackground = NULL;
775         wc.lpszMenuName  = 0;
776         wc.lpszClassName = "DarkPlacesWindowClass";
777
778         if (!RegisterClass (&wc))
779                 Con_Printf ("Couldn't register window class\n");
780
781         memset(&initialdevmode, 0, sizeof(initialdevmode));
782         EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &initialdevmode);
783
784         IN_Init();
785 }
786
787 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
788 {
789         int i;
790         HDC hdc;
791         RECT rect;
792         MSG msg;
793         PIXELFORMATDESCRIPTOR pfd =
794         {
795                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
796                 1,                              // version number
797                 PFD_DRAW_TO_WINDOW              // support window
798                 |  PFD_SUPPORT_OPENGL   // support OpenGL
799                 |  PFD_DOUBLEBUFFER ,   // double buffered
800                 PFD_TYPE_RGBA,                  // RGBA type
801                 24,                             // 24-bit color depth
802                 0, 0, 0, 0, 0, 0,               // color bits ignored
803                 0,                              // no alpha buffer
804                 0,                              // shift bit ignored
805                 0,                              // no accumulation buffer
806                 0, 0, 0, 0,                     // accum bits ignored
807                 32,                             // 32-bit z-buffer
808                 0,                              // no stencil buffer
809                 0,                              // no auxiliary buffer
810                 PFD_MAIN_PLANE,                 // main layer
811                 0,                              // reserved
812                 0, 0, 0                         // layer masks ignored
813         };
814         int windowpass;
815         int pixelformat, newpixelformat;
816         int numpixelformats;
817         DWORD WindowStyle, ExWindowStyle;
818         int CenterX, CenterY;
819         const char *gldrivername;
820         int depth;
821         DEVMODE thismode;
822         qboolean foundmode, foundgoodmode;
823         int *a;
824         float *af;
825         int attribs[128];
826         float attribsf[16];
827
828         if (vid_initialized)
829                 Sys_Error("VID_InitMode called when video is already initialised");
830
831         // if stencil is enabled, ask for alpha too
832         if (bpp >= 32)
833         {
834                 pfd.cRedBits = 8;
835                 pfd.cGreenBits = 8;
836                 pfd.cBlueBits = 8;
837                 pfd.cAlphaBits = 8;
838                 pfd.cDepthBits = 24;
839                 pfd.cStencilBits = 8;
840         }
841         else
842         {
843                 pfd.cRedBits = 5;
844                 pfd.cGreenBits = 5;
845                 pfd.cBlueBits = 5;
846                 pfd.cAlphaBits = 0;
847                 pfd.cDepthBits = 16;
848                 pfd.cStencilBits = 0;
849         }
850
851         if (stereobuffer)
852                 pfd.dwFlags |= PFD_STEREO;
853
854         a = attribs;
855         af = attribsf;
856         *a++ = WGL_DRAW_TO_WINDOW_ARB;
857         *a++ = GL_TRUE;
858         *a++ = WGL_ACCELERATION_ARB;
859         *a++ = WGL_FULL_ACCELERATION_ARB;
860         *a++ = WGL_DOUBLE_BUFFER_ARB;
861         *a++ = true;
862
863         if (bpp >= 32)
864         {
865                 *a++ = WGL_RED_BITS_ARB;
866                 *a++ = 8;
867                 *a++ = WGL_GREEN_BITS_ARB;
868                 *a++ = 8;
869                 *a++ = WGL_BLUE_BITS_ARB;
870                 *a++ = 8;
871                 *a++ = WGL_ALPHA_BITS_ARB;
872                 *a++ = 8;
873                 *a++ = WGL_DEPTH_BITS_ARB;
874                 *a++ = 24;
875                 *a++ = WGL_STENCIL_BITS_ARB;
876                 *a++ = 8;
877         }
878         else
879         {
880                 *a++ = WGL_RED_BITS_ARB;
881                 *a++ = 1;
882                 *a++ = WGL_GREEN_BITS_ARB;
883                 *a++ = 1;
884                 *a++ = WGL_BLUE_BITS_ARB;
885                 *a++ = 1;
886                 *a++ = WGL_DEPTH_BITS_ARB;
887                 *a++ = 16;
888         }
889
890         if (stereobuffer)
891         {
892                 *a++ = WGL_STEREO_ARB;
893                 *a++ = GL_TRUE;
894         }
895
896         if (samples > 1)
897         {
898                 *a++ = WGL_SAMPLE_BUFFERS_ARB;
899                 *a++ = 1;
900                 *a++ = WGL_SAMPLES_ARB;
901                 *a++ = samples;
902         }
903
904         *a = 0;
905         *af = 0;
906
907         gldrivername = "opengl32.dll";
908 // 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
909         i = COM_CheckParm("-gl_driver");
910         if (i && i < com_argc - 1)
911                 gldrivername = com_argv[i + 1];
912         if (!GL_OpenLibrary(gldrivername))
913         {
914                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
915                 return false;
916         }
917
918         memset(&gdevmode, 0, sizeof(gdevmode));
919
920         vid_isfullscreen = false;
921         if (fullscreen)
922         {
923                 if(vid_forcerefreshrate.integer)
924                 {
925                         foundmode = true;
926                         gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
927                         gdevmode.dmBitsPerPel = bpp;
928                         gdevmode.dmPelsWidth = width;
929                         gdevmode.dmPelsHeight = height;
930                         gdevmode.dmSize = sizeof (gdevmode);
931                         if(refreshrate)
932                         {
933                                 gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
934                                 gdevmode.dmDisplayFrequency = refreshrate;
935                         }
936                 }
937                 else
938                 {
939                         if(refreshrate == 0)
940                                 refreshrate = initialdevmode.dmDisplayFrequency; // default vid_refreshrate to the rate of the desktop
941
942                         foundmode = false;
943                         foundgoodmode = false;
944
945                         thismode.dmSize = sizeof(thismode);
946                         thismode.dmDriverExtra = 0;
947                         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
948                         {
949                                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
950                                 {
951                                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
952                                         continue;
953                                 }
954                                 if(developer.integer >= 100)
955                                         Con_Printf("Found mode %dx%dx%dbpp %dHz... ", (int)thismode.dmPelsWidth, (int)thismode.dmPelsHeight, (int)thismode.dmBitsPerPel, (int)thismode.dmDisplayFrequency);
956                                 if(thismode.dmBitsPerPel != (DWORD)bpp)
957                                 {
958                                         if(developer.integer >= 100)
959                                                 Con_Printf("wrong bpp\n");
960                                         continue;
961                                 }
962                                 if(thismode.dmPelsWidth != (DWORD)width)
963                                 {
964                                         if(developer.integer >= 100)
965                                                 Con_Printf("wrong width\n");
966                                         continue;
967                                 }
968                                 if(thismode.dmPelsHeight != (DWORD)height)
969                                 {
970                                         if(developer.integer >= 100)
971                                                 Con_Printf("wrong height\n");
972                                         continue;
973                                 }
974
975                                 if(foundgoodmode)
976                                 {
977                                         // if we have a good mode, make sure this mode is better than the previous one, and allowed by the refreshrate
978                                         if(thismode.dmDisplayFrequency > (DWORD)refreshrate)
979                                         {
980                                                 if(developer.integer >= 100)
981                                                         Con_Printf("too high refresh rate\n");
982                                                 continue;
983                                         }
984                                         else if(thismode.dmDisplayFrequency <= gdevmode.dmDisplayFrequency)
985                                         {
986                                                 if(developer.integer >= 100)
987                                                         Con_Printf("doesn't beat previous best match (too low)\n");
988                                                 continue;
989                                         }
990                                 }
991                                 else if(foundmode)
992                                 {
993                                         // we do have one, but it isn't good... make sure it has a lower frequency than the previous one
994                                         if(thismode.dmDisplayFrequency >= gdevmode.dmDisplayFrequency)
995                                         {
996                                                 if(developer.integer >= 100)
997                                                         Con_Printf("doesn't beat previous best match (too high)\n");
998                                                 continue;
999                                         }
1000                                 }
1001                                 // otherwise, take anything
1002
1003                                 memcpy(&gdevmode, &thismode, sizeof(gdevmode));
1004                                 if(thismode.dmDisplayFrequency <= (DWORD)refreshrate)
1005                                         foundgoodmode = true;
1006                                 else
1007                                 {
1008                                         if(developer.integer >= 100)
1009                                                 Con_Printf("(out of range)\n");
1010                                 }
1011                                 foundmode = true;
1012                                 if(developer.integer >= 100)
1013                                         Con_Printf("accepted\n");
1014                         }
1015                 }
1016
1017                 if (!foundmode)
1018                 {
1019                         VID_Shutdown();
1020                         Con_Printf("Unable to find the requested mode %dx%dx%dbpp\n", width, height, bpp);
1021                         return false;
1022                 }
1023                 else if(ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
1024                 {
1025                         VID_Shutdown();
1026                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
1027                         return false;
1028                 }
1029
1030                 vid_isfullscreen = true;
1031                 WindowStyle = WS_POPUP;
1032                 ExWindowStyle = WS_EX_TOPMOST;
1033         }
1034         else
1035         {
1036                 hdc = GetDC (NULL);
1037                 i = GetDeviceCaps(hdc, RASTERCAPS);
1038                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
1039                 ReleaseDC (NULL, hdc);
1040                 if (i & RC_PALETTE)
1041                 {
1042                         VID_Shutdown();
1043                         Con_Print("Can't run in non-RGB mode\n");
1044                         return false;
1045                 }
1046                 if (bpp > depth)
1047                 {
1048                         VID_Shutdown();
1049                         Con_Print("A higher desktop depth is required to run this video mode\n");
1050                         return false;
1051                 }
1052
1053                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
1054                 ExWindowStyle = 0;
1055         }
1056
1057         rect.top = 0;
1058         rect.left = 0;
1059         rect.right = width;
1060         rect.bottom = height;
1061         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
1062
1063         if (fullscreen)
1064         {
1065                 CenterX = 0;
1066                 CenterY = 0;
1067         }
1068         else
1069         {
1070                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
1071                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
1072         }
1073         CenterX = max(0, CenterX);
1074         CenterY = max(0, CenterY);
1075
1076         // x and y may be changed by WM_MOVE messages
1077         window_x = CenterX;
1078         window_y = CenterY;
1079         rect.left += CenterX;
1080         rect.right += CenterX;
1081         rect.top += CenterY;
1082         rect.bottom += CenterY;
1083
1084         pixelformat = 0;
1085         newpixelformat = 0;
1086         // start out at the final windowpass if samples is 1 as it's the only feature we need extended pixel formats for
1087         for (windowpass = samples == 1;windowpass < 2;windowpass++)
1088         {
1089                 gl_extensions = "";
1090                 gl_platformextensions = "";
1091
1092                 mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
1093                 if (!mainwindow)
1094                 {
1095                         Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), NULL, NULL, (int)global_hInstance, NULL);
1096                         VID_Shutdown();
1097                         return false;
1098                 }
1099
1100                 baseDC = GetDC(mainwindow);
1101
1102                 if (!newpixelformat)
1103                         newpixelformat = ChoosePixelFormat(baseDC, &pfd);
1104                 pixelformat = newpixelformat;
1105                 if (!pixelformat)
1106                 {
1107                         VID_Shutdown();
1108                         Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
1109                         return false;
1110                 }
1111
1112                 if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
1113                 {
1114                         VID_Shutdown();
1115                         Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
1116                         return false;
1117                 }
1118
1119                 if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
1120                 {
1121                         VID_Shutdown();
1122                         Con_Print("wgl functions not found\n");
1123                         return false;
1124                 }
1125
1126                 baseRC = qwglCreateContext(baseDC);
1127                 if (!baseRC)
1128                 {
1129                         VID_Shutdown();
1130                         Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
1131                         return false;
1132                 }
1133                 if (!qwglMakeCurrent(baseDC, baseRC))
1134                 {
1135                         VID_Shutdown();
1136                         Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
1137                         return false;
1138                 }
1139
1140                 if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
1141                 {
1142                         VID_Shutdown();
1143                         Con_Print("glGetString not found\n");
1144                         return false;
1145                 }
1146                 if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
1147                         Con_Print("wglGetExtensionsStringARB not found\n");
1148
1149                 gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
1150                 gl_platform = "WGL";
1151                 gl_platformextensions = "";
1152
1153                 if (qwglGetExtensionsStringARB)
1154                         gl_platformextensions = (const char *)qwglGetExtensionsStringARB(baseDC);
1155
1156                 if (!gl_extensions)
1157                         gl_extensions = "";
1158                 if (!gl_platformextensions)
1159                         gl_platformextensions = "";
1160
1161                 // now some nice Windows pain:
1162                 // we have created a window, we needed one to find out if there are
1163                 // any multisample pixel formats available, the problem is that to
1164                 // actually use one of those multisample formats we now have to
1165                 // recreate the window (yes Microsoft OpenGL really is that bad)
1166
1167                 if (windowpass == 0)
1168                 {
1169                         if (!GL_CheckExtension("WGL_ARB_pixel_format", wglpixelformatfuncs, "-noarbpixelformat", false) || !qwglChoosePixelFormatARB(baseDC, attribs, attribsf, 1, &newpixelformat, &numpixelformats) || !newpixelformat)
1170                                 break;
1171                         // ok we got one - do it all over again with newpixelformat
1172                         qwglMakeCurrent(NULL, NULL);
1173                         qwglDeleteContext(baseRC);baseRC = 0;
1174                         ReleaseDC(mainwindow, baseDC);baseDC = 0;
1175                         // eat up any messages waiting for us
1176                         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1177                         {
1178                                 TranslateMessage (&msg);
1179                                 DispatchMessage (&msg);
1180                         }
1181                 }
1182         }
1183
1184         /*
1185         if (!fullscreen)
1186                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
1187         */
1188
1189         ShowWindow (mainwindow, SW_SHOWDEFAULT);
1190         UpdateWindow (mainwindow);
1191
1192         // now we try to make sure we get the focus on the mode switch, because
1193         // sometimes in some systems we don't.  We grab the foreground, then
1194         // finish setting up, pump all our messages, and sleep for a little while
1195         // to let messages finish bouncing around the system, then we put
1196         // ourselves at the top of the z order, then grab the foreground again,
1197         // Who knows if it helps, but it probably doesn't hurt
1198         SetForegroundWindow (mainwindow);
1199
1200         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1201         {
1202                 TranslateMessage (&msg);
1203                 DispatchMessage (&msg);
1204         }
1205
1206         Sleep (100);
1207
1208         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
1209
1210         SetForegroundWindow (mainwindow);
1211
1212         // fix the leftover Alt from any Alt-Tab or the like that switched us away
1213         ClearAllStates ();
1214
1215         gl_videosyncavailable = false;
1216
1217 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
1218         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
1219
1220         GL_Init ();
1221
1222         //vid_menudrawfn = VID_MenuDraw;
1223         //vid_menukeyfn = VID_MenuKey;
1224         vid_usingmouse = false;
1225         vid_usingvsync = false;
1226         vid_hidden = false;
1227         vid_initialized = true;
1228
1229         IN_StartupMouse ();
1230         IN_StartupJoystick ();
1231
1232         if (gl_videosyncavailable)
1233         {
1234                 vid_usevsync = vid_vsync.integer;
1235                 vid_usingvsync = vid_vsync.integer;
1236                 qwglSwapIntervalEXT (vid_usevsync);
1237         }
1238
1239         return true;
1240 }
1241
1242 static void IN_Shutdown(void);
1243 void VID_Shutdown (void)
1244 {
1245         if(vid_initialized == false)
1246                 return;
1247
1248         VID_GrabMouse(false);
1249         VID_RestoreSystemGamma();
1250
1251         vid_initialized = false;
1252         IN_Shutdown();
1253         if (qwglMakeCurrent)
1254                 qwglMakeCurrent(NULL, NULL);
1255         if (baseRC && qwglDeleteContext)
1256                 qwglDeleteContext(baseRC);
1257         // close the library before we get rid of the window
1258         GL_CloseLibrary();
1259         if (baseDC && mainwindow)
1260                 ReleaseDC(mainwindow, baseDC);
1261         AppActivate(false, false);
1262         if (mainwindow)
1263                 DestroyWindow(mainwindow);
1264         mainwindow = 0;
1265         if (vid_isfullscreen)
1266                 ChangeDisplaySettings (NULL, 0);
1267         vid_isfullscreen = false;
1268 }
1269
1270 void VID_GrabMouse(qboolean grab)
1271 {
1272         static qboolean restore_spi;
1273         static int originalmouseparms[3];
1274
1275         if (!mouseinitialized)
1276                 return;
1277
1278         if (grab)
1279         {
1280                 if (!vid_usingmouse)
1281                 {
1282                         vid_usingmouse = true;
1283                         cl_ignoremousemoves = 2;
1284 #ifdef SUPPORTDIRECTX
1285                         if (dinput && g_pMouse)
1286                         {
1287                                 IDirectInputDevice_Acquire(g_pMouse);
1288                                 dinput_acquired = true;
1289                         }
1290                         else
1291 #endif
1292                         {
1293                                 RECT window_rect;
1294                                 window_rect.left = window_x;
1295                                 window_rect.top = window_y;
1296                                 window_rect.right = window_x + vid.width;
1297                                 window_rect.bottom = window_y + vid.height;
1298
1299                                 // change mouse settings to turn off acceleration
1300 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1301                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1302                                 {
1303                                         int newmouseparms[3];
1304                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1305                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1306                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1307                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1308                                 }
1309                                 else
1310                                         restore_spi = false;
1311                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1312
1313                                 SetCapture (mainwindow);
1314                                 ClipCursor (&window_rect);
1315                         }
1316                         ShowCursor (false);
1317                 }
1318         }
1319         else
1320         {
1321                 if (vid_usingmouse)
1322                 {
1323                         vid_usingmouse = false;
1324                         cl_ignoremousemoves = 2;
1325 #ifdef SUPPORTDIRECTX
1326                         if (dinput_acquired)
1327                         {
1328                                 IDirectInputDevice_Unacquire(g_pMouse);
1329                                 dinput_acquired = false;
1330                         }
1331                         else
1332 #endif
1333                         {
1334                                 // restore system mouseparms if we changed them
1335                                 if (restore_spi)
1336                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1337                                 restore_spi = false;
1338                                 ClipCursor (NULL);
1339                                 ReleaseCapture ();
1340                         }
1341                         ShowCursor (true);
1342                 }
1343         }
1344 }
1345
1346
1347 #ifdef SUPPORTDIRECTX
1348 /*
1349 ===========
1350 IN_InitDInput
1351 ===========
1352 */
1353 static qboolean IN_InitDInput (void)
1354 {
1355     HRESULT             hr;
1356         DIPROPDWORD     dipdw = {
1357                 {
1358                         sizeof(DIPROPDWORD),        // diph.dwSize
1359                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1360                         0,                          // diph.dwObj
1361                         DIPH_DEVICE,                // diph.dwHow
1362                 },
1363                 DINPUT_BUFFERSIZE,              // dwData
1364         };
1365
1366         if (!hInstDI)
1367         {
1368                 hInstDI = LoadLibrary("dinput.dll");
1369
1370                 if (hInstDI == NULL)
1371                 {
1372                         Con_Print("Couldn't load dinput.dll\n");
1373                         return false;
1374                 }
1375         }
1376
1377         if (!pDirectInputCreate)
1378         {
1379                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1380
1381                 if (!pDirectInputCreate)
1382                 {
1383                         Con_Print("Couldn't get DI proc addr\n");
1384                         return false;
1385                 }
1386         }
1387
1388 // register with DirectInput and get an IDirectInput to play with.
1389         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1390
1391         if (FAILED(hr))
1392         {
1393                 return false;
1394         }
1395
1396 // obtain an interface to the system mouse device.
1397         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1398
1399         if (FAILED(hr))
1400         {
1401                 Con_Print("Couldn't open DI mouse device\n");
1402                 return false;
1403         }
1404
1405 // set the data format to "mouse format".
1406         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1407
1408         if (FAILED(hr))
1409         {
1410                 Con_Print("Couldn't set DI mouse format\n");
1411                 return false;
1412         }
1413
1414 // set the cooperativity level.
1415         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1416                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1417
1418         if (FAILED(hr))
1419         {
1420                 Con_Print("Couldn't set DI coop level\n");
1421                 return false;
1422         }
1423
1424
1425 // set the buffer size to DINPUT_BUFFERSIZE elements.
1426 // the buffer size is a DWORD property associated with the device
1427         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1428
1429         if (FAILED(hr))
1430         {
1431                 Con_Print("Couldn't set DI buffersize\n");
1432                 return false;
1433         }
1434
1435         return true;
1436 }
1437 #endif
1438
1439
1440 /*
1441 ===========
1442 IN_StartupMouse
1443 ===========
1444 */
1445 static void IN_StartupMouse (void)
1446 {
1447         if (COM_CheckParm ("-nomouse"))
1448                 return;
1449
1450         mouseinitialized = true;
1451
1452 #ifdef SUPPORTDIRECTX
1453 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1454         if (COM_CheckParm ("-dinput"))
1455                 dinput = IN_InitDInput ();
1456
1457         if (dinput)
1458                 Con_Print("DirectInput initialized\n");
1459         else
1460                 Con_Print("DirectInput not initialized\n");
1461 #endif
1462
1463         mouse_buttons = 10;
1464 }
1465
1466
1467 /*
1468 ===========
1469 IN_MouseMove
1470 ===========
1471 */
1472 static void IN_MouseMove (void)
1473 {
1474         int mx, my;
1475         POINT current_pos;
1476
1477         if (!vid_usingmouse)
1478         {
1479                 //GetCursorPos (&current_pos);
1480                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1481                 return;
1482         }
1483
1484 #ifdef SUPPORTDIRECTX
1485         if (dinput_acquired)
1486         {
1487                 int i;
1488                 DIDEVICEOBJECTDATA      od;
1489                 DWORD                           dwElements;
1490                 HRESULT                         hr;
1491                 mx = 0;
1492                 my = 0;
1493
1494                 for (;;)
1495                 {
1496                         dwElements = 1;
1497
1498                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1499                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1500
1501                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1502                         {
1503                                 IDirectInputDevice_Acquire(g_pMouse);
1504                                 break;
1505                         }
1506
1507                         /* Unable to read data or no data available */
1508                         if (FAILED(hr) || dwElements == 0)
1509                                 break;
1510
1511                         /* Look at the element to see what happened */
1512
1513                         switch (od.dwOfs)
1514                         {
1515                                 case DIMOFS_X:
1516                                         mx += (LONG) od.dwData;
1517                                         break;
1518
1519                                 case DIMOFS_Y:
1520                                         my += (LONG) od.dwData;
1521                                         break;
1522
1523                                 case DIMOFS_Z:
1524                                         if((LONG) od.dwData < 0)
1525                                         {
1526                                                 Key_Event (K_MWHEELDOWN, 0, true);
1527                                                 Key_Event (K_MWHEELDOWN, 0, false);
1528                                         }
1529                                         else if((LONG) od.dwData > 0)
1530                                         {
1531                                                 Key_Event (K_MWHEELUP, 0, true);
1532                                                 Key_Event (K_MWHEELUP, 0, false);
1533                                         }
1534                                         break;
1535
1536                                 case DIMOFS_BUTTON0:
1537                                         if (od.dwData & 0x80)
1538                                                 mstate_di |= 1;
1539                                         else
1540                                                 mstate_di &= ~1;
1541                                         break;
1542
1543                                 case DIMOFS_BUTTON1:
1544                                         if (od.dwData & 0x80)
1545                                                 mstate_di |= (1<<1);
1546                                         else
1547                                                 mstate_di &= ~(1<<1);
1548                                         break;
1549
1550                                 case DIMOFS_BUTTON2:
1551                                         if (od.dwData & 0x80)
1552                                                 mstate_di |= (1<<2);
1553                                         else
1554                                                 mstate_di &= ~(1<<2);
1555                                         break;
1556
1557                                 case DIMOFS_BUTTON3:
1558                                         if (od.dwData & 0x80)
1559                                                 mstate_di |= (1<<3);
1560                                         else
1561                                                 mstate_di &= ~(1<<3);
1562                                         break;
1563                         }
1564                 }
1565
1566                 // perform button actions
1567                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1568                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1569                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1570                 mouse_oldbuttonstate = mstate_di;
1571
1572                 in_mouse_x = mx;
1573                 in_mouse_y = my;
1574         }
1575         else
1576 #endif
1577         {
1578                 GetCursorPos (&current_pos);
1579                 mx = current_pos.x - (window_x + vid.width / 2);
1580                 my = current_pos.y - (window_y + vid.height / 2);
1581
1582                 in_mouse_x = mx;
1583                 in_mouse_y = my;
1584
1585                 // if the mouse has moved, force it to the center, so there's room to move
1586                 if (!cl.csqc_wantsmousemove)
1587                 if (mx || my)
1588                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1589         }
1590 }
1591
1592
1593 /*
1594 ===========
1595 IN_Move
1596 ===========
1597 */
1598 void IN_Move (void)
1599 {
1600         if (vid_activewindow && !vid_hidden)
1601         {
1602                 IN_MouseMove ();
1603                 IN_JoyMove ();
1604         }
1605 }
1606
1607
1608 /*
1609 ===============
1610 IN_StartupJoystick
1611 ===============
1612 */
1613 static void IN_StartupJoystick (void)
1614 {
1615         int                     numdevs;
1616         JOYCAPS         jc;
1617         MMRESULT        mmr;
1618         mmr = 0;
1619
1620         // assume no joystick
1621         joy_avail = false;
1622
1623         // abort startup if user requests no joystick
1624 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1625         if (COM_CheckParm ("-nojoy"))
1626                 return;
1627
1628         // verify joystick driver is present
1629         if ((numdevs = joyGetNumDevs ()) == 0)
1630         {
1631                 Con_Print("\njoystick not found -- driver not present\n\n");
1632                 return;
1633         }
1634
1635         // cycle through the joystick ids for the first valid one
1636         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1637         {
1638                 memset (&ji, 0, sizeof(ji));
1639                 ji.dwSize = sizeof(ji);
1640                 ji.dwFlags = JOY_RETURNCENTERED;
1641
1642                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1643                         break;
1644         }
1645
1646         // abort startup if we didn't find a valid joystick
1647         if (mmr != JOYERR_NOERROR)
1648         {
1649                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1650                 return;
1651         }
1652
1653         // get the capabilities of the selected joystick
1654         // abort startup if command fails
1655         memset (&jc, 0, sizeof(jc));
1656         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1657         {
1658                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1659                 return;
1660         }
1661
1662         // save the joystick's number of buttons and POV status
1663         joy_numbuttons = jc.wNumButtons;
1664         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1665
1666         // old button and POV states default to no buttons pressed
1667         joy_oldbuttonstate = joy_oldpovstate = 0;
1668
1669         // mark the joystick as available and advanced initialization not completed
1670         // this is needed as cvars are not available during initialization
1671
1672         joy_avail = true;
1673         joy_advancedinit = false;
1674
1675         Con_Print("\njoystick detected\n\n");
1676 }
1677
1678
1679 /*
1680 ===========
1681 RawValuePointer
1682 ===========
1683 */
1684 static PDWORD RawValuePointer (int axis)
1685 {
1686         switch (axis)
1687         {
1688         case JOY_AXIS_X:
1689                 return &ji.dwXpos;
1690         case JOY_AXIS_Y:
1691                 return &ji.dwYpos;
1692         case JOY_AXIS_Z:
1693                 return &ji.dwZpos;
1694         case JOY_AXIS_R:
1695                 return &ji.dwRpos;
1696         case JOY_AXIS_U:
1697                 return &ji.dwUpos;
1698         case JOY_AXIS_V:
1699                 return &ji.dwVpos;
1700         }
1701         return NULL; // LordHavoc: hush compiler warning
1702 }
1703
1704
1705 /*
1706 ===========
1707 Joy_AdvancedUpdate_f
1708 ===========
1709 */
1710 static void Joy_AdvancedUpdate_f (void)
1711 {
1712
1713         // called once by IN_ReadJoystick and by user whenever an update is needed
1714         // cvars are now available
1715         int     i;
1716         DWORD dwTemp;
1717
1718         // initialize all the maps
1719         for (i = 0; i < JOY_MAX_AXES; i++)
1720         {
1721                 dwAxisMap[i] = AxisNada;
1722                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1723                 pdwRawValue[i] = RawValuePointer(i);
1724         }
1725
1726         if( joy_advanced.integer == 0)
1727         {
1728                 // default joystick initialization
1729                 // 2 axes only with joystick control
1730                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1731                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1732                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1733                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1734         }
1735         else
1736         {
1737                 if (strcmp (joy_name.string, "joystick") != 0)
1738                 {
1739                         // notify user of advanced controller
1740                         Con_Printf("\n%s configured\n\n", joy_name.string);
1741                 }
1742
1743                 // advanced initialization here
1744                 // data supplied by user via joy_axisn cvars
1745                 dwTemp = (DWORD) joy_advaxisx.value;
1746                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1747                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1748                 dwTemp = (DWORD) joy_advaxisy.value;
1749                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1750                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1751                 dwTemp = (DWORD) joy_advaxisz.value;
1752                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1753                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1754                 dwTemp = (DWORD) joy_advaxisr.value;
1755                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1756                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1757                 dwTemp = (DWORD) joy_advaxisu.value;
1758                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1759                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1760                 dwTemp = (DWORD) joy_advaxisv.value;
1761                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1762                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1763         }
1764
1765         // compute the axes to collect from DirectInput
1766         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1767         for (i = 0; i < JOY_MAX_AXES; i++)
1768         {
1769                 if (dwAxisMap[i] != AxisNada)
1770                 {
1771                         joy_flags |= dwAxisFlags[i];
1772                 }
1773         }
1774 }
1775
1776 /*
1777 ===============
1778 IN_ReadJoystick
1779 ===============
1780 */
1781 static qboolean IN_ReadJoystick (void)
1782 {
1783
1784         memset (&ji, 0, sizeof(ji));
1785         ji.dwSize = sizeof(ji);
1786         ji.dwFlags = joy_flags;
1787
1788         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1789         {
1790                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1791                 // rather than having 32768 be the zero point, they have the zero point at 32668
1792                 // go figure -- anyway, now we get the full resolution out of the device
1793                 if (joy_wwhack1.integer != 0.0)
1794                 {
1795                         ji.dwUpos += 100;
1796                 }
1797                 return true;
1798         }
1799         else
1800         {
1801                 // read error occurred
1802                 // turning off the joystick seems too harsh for 1 read error,
1803                 // but what should be done?
1804                 return false;
1805         }
1806 }
1807
1808
1809 /*
1810 ===========
1811 IN_JoyMove
1812 ===========
1813 */
1814 static void IN_JoyMove (void)
1815 {
1816         float   speed, aspeed;
1817         float   fAxisValue, fTemp;
1818         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1819
1820         // complete initialization if first time in
1821         // this is needed as cvars are not available at initialization time
1822         if( joy_advancedinit != true )
1823         {
1824                 Joy_AdvancedUpdate_f();
1825                 joy_advancedinit = true;
1826         }
1827
1828         if (joy_avail)
1829         {
1830                 int             i, key_index;
1831                 DWORD   buttonstate, povstate;
1832
1833                 // loop through the joystick buttons
1834                 // key a joystick event or auxillary event for higher number buttons for each state change
1835                 buttonstate = ji.dwButtons;
1836                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1837                 {
1838                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1839                         {
1840                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1841                                 Key_Event (key_index + i, 0, true);
1842                         }
1843
1844                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1845                         {
1846                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1847                                 Key_Event (key_index + i, 0, false);
1848                         }
1849                 }
1850                 joy_oldbuttonstate = buttonstate;
1851
1852                 if (joy_haspov)
1853                 {
1854                         // convert POV information into 4 bits of state information
1855                         // this avoids any potential problems related to moving from one
1856                         // direction to another without going through the center position
1857                         povstate = 0;
1858                         if(ji.dwPOV != JOY_POVCENTERED)
1859                         {
1860                                 if (ji.dwPOV == JOY_POVFORWARD)
1861                                         povstate |= 0x01;
1862                                 if (ji.dwPOV == JOY_POVRIGHT)
1863                                         povstate |= 0x02;
1864                                 if (ji.dwPOV == JOY_POVBACKWARD)
1865                                         povstate |= 0x04;
1866                                 if (ji.dwPOV == JOY_POVLEFT)
1867                                         povstate |= 0x08;
1868                         }
1869                         // determine which bits have changed and key an auxillary event for each change
1870                         for (i=0 ; i < 4 ; i++)
1871                         {
1872                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1873                                 {
1874                                         Key_Event (K_AUX29 + i, 0, true);
1875                                 }
1876
1877                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1878                                 {
1879                                         Key_Event (K_AUX29 + i, 0, false);
1880                                 }
1881                         }
1882                         joy_oldpovstate = povstate;
1883                 }
1884         }
1885
1886         // verify joystick is available and that the user wants to use it
1887         if (!joy_avail || !in_joystick.integer)
1888         {
1889                 return;
1890         }
1891
1892         // collect the joystick data, if possible
1893         if (IN_ReadJoystick () != true)
1894         {
1895                 return;
1896         }
1897
1898         if (in_speed.state & 1)
1899                 speed = cl_movespeedkey.value;
1900         else
1901                 speed = 1;
1902         // LordHavoc: viewzoom affects sensitivity for sniping
1903         aspeed = speed * cl.realframetime * cl.viewzoom;
1904
1905         // loop through the axes
1906         for (i = 0; i < JOY_MAX_AXES; i++)
1907         {
1908                 // get the floating point zero-centered, potentially-inverted data for the current axis
1909                 fAxisValue = (float) *pdwRawValue[i];
1910                 // move centerpoint to zero
1911                 fAxisValue -= 32768.0;
1912
1913                 if (joy_wwhack2.integer != 0.0)
1914                 {
1915                         if (dwAxisMap[i] == AxisTurn)
1916                         {
1917                                 // this is a special formula for the Logitech WingMan Warrior
1918                                 // y=ax^b; where a = 300 and b = 1.3
1919                                 // also x values are in increments of 800 (so this is factored out)
1920                                 // then bounds check result to level out excessively high spin rates
1921                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1922                                 if (fTemp > 14000.0)
1923                                         fTemp = 14000.0;
1924                                 // restore direction information
1925                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1926                         }
1927                 }
1928
1929                 // convert range from -32768..32767 to -1..1
1930                 fAxisValue /= 32768.0;
1931
1932                 switch (dwAxisMap[i])
1933                 {
1934                 case AxisForward:
1935                         if ((joy_advanced.integer == 0) && mouselook)
1936                         {
1937                                 // user wants forward control to become look control
1938                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1939                                 {
1940                                         // if mouse invert is on, invert the joystick pitch value
1941                                         // only absolute control support here (joy_advanced is false)
1942                                         if (m_pitch.value < 0.0)
1943                                         {
1944                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1945                                         }
1946                                         else
1947                                         {
1948                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1949                                         }
1950                                         V_StopPitchDrift();
1951                                 }
1952                                 else
1953                                 {
1954                                         // no pitch movement
1955                                         // disable pitch return-to-center unless requested by user
1956                                         // *** this code can be removed when the lookspring bug is fixed
1957                                         // *** the bug always has the lookspring feature on
1958                                         if(lookspring.value == 0.0)
1959                                                 V_StopPitchDrift();
1960                                 }
1961                         }
1962                         else
1963                         {
1964                                 // user wants forward control to be forward control
1965                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1966                                 {
1967                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1968                                 }
1969                         }
1970                         break;
1971
1972                 case AxisSide:
1973                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1974                         {
1975                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1976                         }
1977                         break;
1978
1979                 case AxisTurn:
1980                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1981                         {
1982                                 // user wants turn control to become side control
1983                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1984                                 {
1985                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1986                                 }
1987                         }
1988                         else
1989                         {
1990                                 // user wants turn control to be turn control
1991                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1992                                 {
1993                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1994                                         {
1995                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1996                                         }
1997                                         else
1998                                         {
1999                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
2000                                         }
2001
2002                                 }
2003                         }
2004                         break;
2005
2006                 case AxisLook:
2007                         if (mouselook)
2008                         {
2009                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
2010                                 {
2011                                         // pitch movement detected and pitch movement desired by user
2012                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
2013                                         {
2014                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
2015                                         }
2016                                         else
2017                                         {
2018                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
2019                                         }
2020                                         V_StopPitchDrift();
2021                                 }
2022                                 else
2023                                 {
2024                                         // no pitch movement
2025                                         // disable pitch return-to-center unless requested by user
2026                                         // *** this code can be removed when the lookspring bug is fixed
2027                                         // *** the bug always has the lookspring feature on
2028                                         if(lookspring.integer == 0)
2029                                                 V_StopPitchDrift();
2030                                 }
2031                         }
2032                         break;
2033
2034                 default:
2035                         break;
2036                 }
2037         }
2038 }
2039
2040 static void IN_Init(void)
2041 {
2042         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
2043
2044         // joystick variables
2045         Cvar_RegisterVariable (&in_joystick);
2046         Cvar_RegisterVariable (&joy_name);
2047         Cvar_RegisterVariable (&joy_advanced);
2048         Cvar_RegisterVariable (&joy_advaxisx);
2049         Cvar_RegisterVariable (&joy_advaxisy);
2050         Cvar_RegisterVariable (&joy_advaxisz);
2051         Cvar_RegisterVariable (&joy_advaxisr);
2052         Cvar_RegisterVariable (&joy_advaxisu);
2053         Cvar_RegisterVariable (&joy_advaxisv);
2054         Cvar_RegisterVariable (&joy_forwardthreshold);
2055         Cvar_RegisterVariable (&joy_sidethreshold);
2056         Cvar_RegisterVariable (&joy_pitchthreshold);
2057         Cvar_RegisterVariable (&joy_yawthreshold);
2058         Cvar_RegisterVariable (&joy_forwardsensitivity);
2059         Cvar_RegisterVariable (&joy_sidesensitivity);
2060         Cvar_RegisterVariable (&joy_pitchsensitivity);
2061         Cvar_RegisterVariable (&joy_yawsensitivity);
2062         Cvar_RegisterVariable (&joy_wwhack1);
2063         Cvar_RegisterVariable (&joy_wwhack2);
2064         Cvar_RegisterVariable (&vid_forcerefreshrate);
2065         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
2066 }
2067
2068 static void IN_Shutdown(void)
2069 {
2070 #ifdef SUPPORTDIRECTX
2071         if (g_pMouse)
2072                 IDirectInputDevice_Release(g_pMouse);
2073         g_pMouse = NULL;
2074
2075         if (g_pdi)
2076                 IDirectInput_Release(g_pdi);
2077         g_pdi = NULL;
2078 #endif
2079 }