added explicit casts for agl functions when calling GL_GetProcAddress
[divverent/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 <dsound.h>
28 #include "resource.h"
29 #include <commctrl.h>
30
31 extern void S_BlockSound (void);
32 extern void S_UnblockSound (void);
33 extern HINSTANCE global_hInstance;
34
35
36 #ifndef WM_MOUSEWHEEL
37 #define WM_MOUSEWHEEL                   0x020A
38 #endif
39
40 // Tell startup code that we have a client
41 int cl_available = true;
42
43 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
44 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
45 //static int (WINAPI *qwglGetPixelFormat)(HDC);
46 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
47 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
48 static HGLRC (WINAPI *qwglCreateContext)(HDC);
49 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
50 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
51 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
52 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
53 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
54 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
55 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
56
57 static dllfunction_t wglfuncs[] =
58 {
59         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
60         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
61 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
62         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
63         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
64         {"wglCreateContext", (void **) &qwglCreateContext},
65         {"wglDeleteContext", (void **) &qwglDeleteContext},
66         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
67         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
68         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
69         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
70         {NULL, NULL}
71 };
72
73 static dllfunction_t wglswapintervalfuncs[] =
74 {
75         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
76         {NULL, NULL}
77 };
78
79 static DEVMODE gdevmode;
80 static qboolean vid_initialized = false;
81 static qboolean vid_wassuspended = false;
82 static qboolean vid_usingmouse = false;
83 static qboolean vid_usingvsync = false;
84 static qboolean vid_usevsync = false;
85 static HICON hIcon;
86
87 // used by cd_win.c and snd_win.c
88 HWND mainwindow;
89
90 static HDC       baseDC;
91 static HGLRC baseRC;
92
93 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
94
95 static qboolean vid_isfullscreen;
96
97 //void VID_MenuDraw (void);
98 //void VID_MenuKey (int key);
99
100 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
101 //void AppActivate(BOOL fActive, BOOL minimize);
102 //void ClearAllStates (void);
103 //void VID_UpdateWindowStatus (void);
104
105 //====================================
106
107 static int window_x, window_y;
108
109 static void IN_Activate (qboolean grab);
110
111 static qboolean mouseinitialized;
112 static qboolean dinput;
113
114 // input code
115
116 #include <dinput.h>
117
118 #define DINPUT_BUFFERSIZE           16
119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
120
121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
122
123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
124 /* backslash :: imouse explorer buttons */
125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
126    MS's platform SDK, but we need them for compilation. . . */
127 #ifndef WM_XBUTTONDOWN
128    #define WM_XBUTTONDOWN      0x020B
129    #define WM_XBUTTONUP      0x020C
130 #endif
131 #ifndef MK_XBUTTON1
132    #define MK_XBUTTON1         0x0020
133    #define MK_XBUTTON2         0x0040
134 // LordHavoc: lets hope this allows more buttons in the future...
135    #define MK_XBUTTON3         0x0080
136    #define MK_XBUTTON4         0x0100
137    #define MK_XBUTTON5         0x0200
138    #define MK_XBUTTON6         0x0400
139    #define MK_XBUTTON7         0x0800
140 #endif
141 /* :: backslash */
142
143 // mouse variables
144 static int                      mouse_buttons;
145 static int                      mouse_oldbuttonstate;
146
147 static qboolean restore_spi;
148 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
149
150 static unsigned int uiWheelMessage;
151 static qboolean mouseparmsvalid;
152 static qboolean dinput_acquired;
153
154 static unsigned int             mstate_di;
155
156 // joystick defines and variables
157 // where should defines be moved?
158 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
159 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
160 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
161 #define JOY_AXIS_X                      0
162 #define JOY_AXIS_Y                      1
163 #define JOY_AXIS_Z                      2
164 #define JOY_AXIS_R                      3
165 #define JOY_AXIS_U                      4
166 #define JOY_AXIS_V                      5
167
168 enum _ControlList
169 {
170         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
171 };
172
173 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
174 {
175         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
176 };
177
178 static DWORD    dwAxisMap[JOY_MAX_AXES];
179 static DWORD    dwControlMap[JOY_MAX_AXES];
180 static PDWORD   pdwRawValue[JOY_MAX_AXES];
181
182 // none of these cvars are saved over a session
183 // this means that advanced controller configuration needs to be executed
184 // each time.  this avoids any problems with getting back to a default usage
185 // or when changing from one controller to another.  this way at least something
186 // works.
187 static cvar_t   in_joystick = {CVAR_SAVE, "joystick","0"};
188 static cvar_t   joy_name = {0, "joyname", "joystick"};
189 static cvar_t   joy_advanced = {0, "joyadvanced", "0"};
190 static cvar_t   joy_advaxisx = {0, "joyadvaxisx", "0"};
191 static cvar_t   joy_advaxisy = {0, "joyadvaxisy", "0"};
192 static cvar_t   joy_advaxisz = {0, "joyadvaxisz", "0"};
193 static cvar_t   joy_advaxisr = {0, "joyadvaxisr", "0"};
194 static cvar_t   joy_advaxisu = {0, "joyadvaxisu", "0"};
195 static cvar_t   joy_advaxisv = {0, "joyadvaxisv", "0"};
196 static cvar_t   joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
197 static cvar_t   joy_sidethreshold = {0, "joysidethreshold", "0.15"};
198 static cvar_t   joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
199 static cvar_t   joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
200 static cvar_t   joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
201 static cvar_t   joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
202 static cvar_t   joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
203 static cvar_t   joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
204 static cvar_t   joy_wwhack1 = {0, "joywwhack1", "0.0"};
205 static cvar_t   joy_wwhack2 = {0, "joywwhack2", "0.0"};
206
207 static qboolean joy_avail, joy_advancedinit, joy_haspov;
208 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
209
210 static int                      joy_id;
211 static DWORD            joy_flags;
212 static DWORD            joy_numbuttons;
213
214 static LPDIRECTINPUT            g_pdi;
215 static LPDIRECTINPUTDEVICE      g_pMouse;
216
217 static JOYINFOEX        ji;
218
219 static HINSTANCE hInstDI;
220
221 //static qboolean       dinput;
222
223 typedef struct MYDATA {
224         LONG  lX;                   // X axis goes here
225         LONG  lY;                   // Y axis goes here
226         LONG  lZ;                   // Z axis goes here
227         BYTE  bButtonA;             // One button goes here
228         BYTE  bButtonB;             // Another button goes here
229         BYTE  bButtonC;             // Another button goes here
230         BYTE  bButtonD;             // Another button goes here
231 } MYDATA;
232
233 static DIOBJECTDATAFORMAT rgodf[] = {
234   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
235   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
236   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
237   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
238   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
239   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
240   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
241 };
242
243 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
244
245 static DIDATAFORMAT     df = {
246         sizeof(DIDATAFORMAT),       // this structure
247         sizeof(DIOBJECTDATAFORMAT), // size of object data format
248         DIDF_RELAXIS,               // absolute axis coordinates
249         sizeof(MYDATA),             // device data size
250         NUM_OBJECTS,                // number of objects
251         rgodf,                      // and here they are
252 };
253
254 // forward-referenced functions
255 static void IN_StartupJoystick (void);
256 static void Joy_AdvancedUpdate_f (void);
257 static void IN_JoyMove (void);
258 static void IN_StartupMouse (void);
259
260
261 //====================================
262
263 void VID_Finish (void)
264 {
265         qboolean vid_usemouse;
266
267         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
268         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
269         {
270                 vid_usingvsync = vid_usevsync;
271                 qwglSwapIntervalEXT (vid_usevsync);
272         }
273
274 // handle the mouse state when windowed if that's changed
275         vid_usemouse = false;
276         if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
277                 vid_usemouse = true;
278         if (vid_isfullscreen)
279                 vid_usemouse = true;
280         if (!vid_activewindow)
281                 vid_usemouse = false;
282         IN_Activate(vid_usemouse);
283
284         if (r_render.integer && !vid_hidden)
285         {
286                 if (r_speeds.integer || gl_finish.integer)
287                         qglFinish();
288                 SwapBuffers(baseDC);
289         }
290 }
291
292 //==========================================================================
293
294
295
296
297 static qbyte scantokey[128] =
298 {
299 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
300         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
301         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
302         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
303         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
304         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
305         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
306         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
307         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
308 };
309
310
311 /*
312 =======
313 MapKey
314
315 Map from windows to quake keynums
316 =======
317 */
318 static int MapKey (int key, int virtualkey)
319 {
320         int result;
321         int modified = (key >> 16) & 255;
322         qboolean is_extended = false;
323
324         if (modified < 128 && scantokey[modified])
325                 result = scantokey[modified];
326         else
327         {
328                 result = 0;
329                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
330         }
331
332         if (key & (1 << 24))
333                 is_extended = true;
334
335         if ( !is_extended )
336         {
337                 switch ( result )
338                 {
339                 case K_HOME:
340                         return K_KP_HOME;
341                 case K_UPARROW:
342                         return K_KP_UPARROW;
343                 case K_PGUP:
344                         return K_KP_PGUP;
345                 case K_LEFTARROW:
346                         return K_KP_LEFTARROW;
347                 case K_RIGHTARROW:
348                         return K_KP_RIGHTARROW;
349                 case K_END:
350                         return K_KP_END;
351                 case K_DOWNARROW:
352                         return K_KP_DOWNARROW;
353                 case K_PGDN:
354                         return K_KP_PGDN;
355                 case K_INS:
356                         return K_KP_INS;
357                 case K_DEL:
358                         return K_KP_DEL;
359                 default:
360                         return result;
361                 }
362         }
363         else
364         {
365                 switch ( result )
366                 {
367                 case 0x0D:
368                         return K_KP_ENTER;
369                 case 0x2F:
370                         return K_KP_SLASH;
371                 case 0xAF:
372                         return K_KP_PLUS;
373                 }
374                 return result;
375         }
376 }
377
378 /*
379 ===================================================================
380
381 MAIN WINDOW
382
383 ===================================================================
384 */
385
386 /*
387 ================
388 ClearAllStates
389 ================
390 */
391 static void ClearAllStates (void)
392 {
393         Key_ClearStates ();
394         if (vid_usingmouse)
395                 mouse_oldbuttonstate = 0;
396 }
397
398 void AppActivate(BOOL fActive, BOOL minimize)
399 /****************************************************************************
400 *
401 * Function:     AppActivate
402 * Parameters:   fActive - True if app is activating
403 *
404 * Description:  If the application is activating, then swap the system
405 *               into SYSPAL_NOSTATIC mode so that our palettes will display
406 *               correctly.
407 *
408 ****************************************************************************/
409 {
410         static BOOL     sound_active;
411
412         vid_activewindow = fActive;
413         vid_hidden = minimize;
414
415 // enable/disable sound on focus gain/loss
416         if (!vid_activewindow && sound_active)
417         {
418                 S_BlockSound ();
419                 sound_active = false;
420         }
421         else if (vid_activewindow && !sound_active)
422         {
423                 S_UnblockSound ();
424                 sound_active = true;
425         }
426
427         if (fActive)
428         {
429                 if (vid_isfullscreen)
430                 {
431                         if (vid_wassuspended)
432                         {
433                                 vid_wassuspended = false;
434                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
435                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
436                         }
437
438                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
439                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
440                 }
441         }
442
443         if (!fActive)
444         {
445                 IN_Activate (false);
446                 if (vid_isfullscreen)
447                 {
448                         ChangeDisplaySettings (NULL, 0);
449                         vid_wassuspended = true;
450                 }
451                 VID_RestoreSystemGamma();
452         }
453 }
454
455 //TODO: move it around in vid_wgl.c since I dont think this is the right position
456 void Sys_SendKeyEvents (void)
457 {
458         MSG msg;
459
460         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
461         {
462                 if (!GetMessage (&msg, NULL, 0, 0))
463                         Sys_Quit ();
464
465                 TranslateMessage (&msg);
466                 DispatchMessage (&msg);
467         }
468 }
469
470 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
471
472 /* main window procedure */
473 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
474 {
475         LONG    lRet = 1;
476         int             fActive, fMinimized, temp;
477         char    state[256];
478         char    asciichar[4];
479         int             vkey;
480         int             charlength;
481         qboolean down = false;
482
483         if ( uMsg == uiWheelMessage )
484                 uMsg = WM_MOUSEWHEEL;
485
486         switch (uMsg)
487         {
488                 case WM_KILLFOCUS:
489                         if (vid_isfullscreen)
490                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
491                         break;
492
493                 case WM_CREATE:
494                         break;
495
496                 case WM_MOVE:
497                         window_x = (int) LOWORD(lParam);
498                         window_y = (int) HIWORD(lParam);
499                         IN_Activate(false);
500                         break;
501
502                 case WM_KEYDOWN:
503                 case WM_SYSKEYDOWN:
504                         down = true;
505                 case WM_KEYUP:
506                 case WM_SYSKEYUP:
507                         vkey = MapKey(lParam, wParam);
508                         GetKeyboardState (state);
509                         // alt/ctrl/shift tend to produce funky ToAscii values,
510                         // and if it's not a single character we don't know care about it
511                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
512                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
513                                 asciichar[0] = 0;
514                         else if( charlength == 2 ) {
515                                 asciichar[0] = asciichar[1];
516                         }
517                         Key_Event (vkey, asciichar[0], down);
518                         break;
519
520                 case WM_SYSCHAR:
521                 // keep Alt-Space from happening
522                         break;
523
524         // this is complicated because Win32 seems to pack multiple mouse events into
525         // one update sometimes, so we always check all states and look for events
526                 case WM_LBUTTONDOWN:
527                 case WM_LBUTTONUP:
528                 case WM_RBUTTONDOWN:
529                 case WM_RBUTTONUP:
530                 case WM_MBUTTONDOWN:
531                 case WM_MBUTTONUP:
532                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
533                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
534                 case WM_MOUSEMOVE:
535                         temp = 0;
536
537                         if (wParam & MK_LBUTTON)
538                                 temp |= 1;
539
540                         if (wParam & MK_RBUTTON)
541                                 temp |= 2;
542
543                         if (wParam & MK_MBUTTON)
544                                 temp |= 4;
545
546                         /* backslash :: imouse explorer buttons */
547                         if (wParam & MK_XBUTTON1)
548                                 temp |= 8;
549
550                         if (wParam & MK_XBUTTON2)
551                                 temp |= 16;
552                         /* :: backslash */
553
554                         // LordHavoc: lets hope this allows more buttons in the future...
555                         if (wParam & MK_XBUTTON3)
556                                 temp |= 32;
557                         if (wParam & MK_XBUTTON4)
558                                 temp |= 64;
559                         if (wParam & MK_XBUTTON5)
560                                 temp |= 128;
561                         if (wParam & MK_XBUTTON6)
562                                 temp |= 256;
563                         if (wParam & MK_XBUTTON7)
564                                 temp |= 512;
565
566                         if (vid_usingmouse && !dinput_acquired)
567                         {
568                                 // perform button actions
569                                 int i;
570                                 for (i=0 ; i<mouse_buttons ; i++)
571                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
572                                                 Key_Event (K_MOUSE1 + i, 0, (temp & (1<<i)) != 0);
573                                 mouse_oldbuttonstate = temp;
574                         }
575
576                         break;
577
578                 // JACK: This is the mouse wheel with the Intellimouse
579                 // Its delta is either positive or neg, and we generate the proper
580                 // Event.
581                 case WM_MOUSEWHEEL:
582                         if ((short) HIWORD(wParam) > 0) {
583                                 Key_Event(K_MWHEELUP, 0, true);
584                                 Key_Event(K_MWHEELUP, 0, false);
585                         } else {
586                                 Key_Event(K_MWHEELDOWN, 0, true);
587                                 Key_Event(K_MWHEELDOWN, 0, false);
588                         }
589                         break;
590
591                 case WM_SIZE:
592                         break;
593
594                 case WM_CLOSE:
595                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
596                                 Sys_Quit ();
597
598                         break;
599
600                 case WM_ACTIVATE:
601                         fActive = LOWORD(wParam);
602                         fMinimized = (BOOL) HIWORD(wParam);
603                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
604
605                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
606                         ClearAllStates ();
607
608                         break;
609
610                 //case WM_DESTROY:
611                 //      PostQuitMessage (0);
612                 //      break;
613
614                 case MM_MCINOTIFY:
615                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
616                         break;
617
618                 default:
619                         /* pass all unhandled messages to DefWindowProc */
620                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
621                 break;
622         }
623
624         /* return 1 if handled message, 0 if not */
625         return lRet;
626 }
627
628 int VID_SetGamma(unsigned short *ramps)
629 {
630         HDC hdc = GetDC (NULL);
631         int i = SetDeviceGammaRamp(hdc, ramps);
632         ReleaseDC (NULL, hdc);
633         return i; // return success or failure
634 }
635
636 int VID_GetGamma(unsigned short *ramps)
637 {
638         HDC hdc = GetDC (NULL);
639         int i = GetDeviceGammaRamp(hdc, ramps);
640         ReleaseDC (NULL, hdc);
641         return i; // return success or failure
642 }
643
644 static HINSTANCE gldll;
645
646 static void GL_CloseLibrary(void)
647 {
648         FreeLibrary(gldll);
649         gldll = 0;
650         gl_driver[0] = 0;
651         qwglGetProcAddress = NULL;
652         gl_extensions = "";
653         gl_platform = "";
654         gl_platformextensions = "";
655 }
656
657 static int GL_OpenLibrary(const char *name)
658 {
659         Con_Printf("Loading OpenGL driver %s\n", name);
660         GL_CloseLibrary();
661         if (!(gldll = LoadLibrary(name)))
662         {
663                 Con_Printf("Unable to LoadLibrary %s\n", name);
664                 return false;
665         }
666         strcpy(gl_driver, name);
667         return true;
668 }
669
670 void *GL_GetProcAddress(const char *name)
671 {
672         void *p = NULL;
673         if (qwglGetProcAddress != NULL)
674                 p = (void *) qwglGetProcAddress(name);
675         if (p == NULL)
676                 p = (void *) GetProcAddress(gldll, name);
677         return p;
678 }
679
680 static void IN_Init(void);
681 void VID_Init(void)
682 {
683         WNDCLASS wc;
684
685         InitCommonControls();
686         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
687
688         // Register the frame class
689         wc.style         = 0;
690         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
691         wc.cbClsExtra    = 0;
692         wc.cbWndExtra    = 0;
693         wc.hInstance     = global_hInstance;
694         wc.hIcon         = hIcon;
695         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
696         wc.hbrBackground = NULL;
697         wc.lpszMenuName  = 0;
698         wc.lpszClassName = "DarkPlacesWindowClass";
699
700         if (!RegisterClass (&wc))
701                 Con_Printf ("Couldn't register window class\n");
702
703         IN_Init();
704 }
705
706 int VID_InitMode (int fullscreen, int width, int height, int bpp)
707 {
708         int i;
709         HDC hdc;
710         RECT rect;
711         MSG msg;
712         PIXELFORMATDESCRIPTOR pfd =
713         {
714                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
715                 1,                              // version number
716                 PFD_DRAW_TO_WINDOW              // support window
717                 |  PFD_SUPPORT_OPENGL   // support OpenGL
718                 |  PFD_DOUBLEBUFFER ,   // double buffered
719                 PFD_TYPE_RGBA,                  // RGBA type
720                 24,                             // 24-bit color depth
721                 0, 0, 0, 0, 0, 0,               // color bits ignored
722                 0,                              // no alpha buffer
723                 0,                              // shift bit ignored
724                 0,                              // no accumulation buffer
725                 0, 0, 0, 0,                     // accum bits ignored
726                 32,                             // 32-bit z-buffer
727                 0,                              // no stencil buffer
728                 0,                              // no auxiliary buffer
729                 PFD_MAIN_PLANE,                 // main layer
730                 0,                              // reserved
731                 0, 0, 0                         // layer masks ignored
732         };
733         int pixelformat;
734         DWORD WindowStyle, ExWindowStyle;
735         int CenterX, CenterY;
736         const char *gldrivername;
737         int depth;
738
739         if (vid_initialized)
740                 Sys_Error("VID_InitMode called when video is already initialised\n");
741
742         // if stencil is enabled, ask for alpha too
743         if (bpp >= 32)
744         {
745                 pfd.cStencilBits = 8;
746                 pfd.cAlphaBits = 8;
747         }
748         else
749         {
750                 pfd.cStencilBits = 0;
751                 pfd.cAlphaBits = 0;
752         }
753
754         gldrivername = "opengl32.dll";
755 // 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
756         i = COM_CheckParm("-gl_driver");
757         if (i && i < com_argc - 1)
758                 gldrivername = com_argv[i + 1];
759         if (!GL_OpenLibrary(gldrivername))
760         {
761                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
762                 return false;
763         }
764
765         memset(&gdevmode, 0, sizeof(gdevmode));
766
767         vid_isfullscreen = false;
768         if (fullscreen)
769         {
770                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
771                 gdevmode.dmBitsPerPel = bpp;
772                 gdevmode.dmPelsWidth = width;
773                 gdevmode.dmPelsHeight = height;
774                 gdevmode.dmSize = sizeof (gdevmode);
775                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
776                 {
777                         VID_Shutdown();
778                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
779                         return false;
780                 }
781
782                 vid_isfullscreen = true;
783                 WindowStyle = WS_POPUP;
784                 ExWindowStyle = WS_EX_TOPMOST;
785         }
786         else
787         {
788                 hdc = GetDC (NULL);
789                 i = GetDeviceCaps(hdc, RASTERCAPS);
790                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
791                 ReleaseDC (NULL, hdc);
792                 if (i & RC_PALETTE)
793                 {
794                         VID_Shutdown();
795                         Con_Print("Can't run in non-RGB mode\n");
796                         return false;
797                 }
798                 if (bpp > depth)
799                 {
800                         VID_Shutdown();
801                         Con_Print("A higher desktop depth is required to run this video mode\n");
802                         return false;
803                 }
804
805                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
806                 ExWindowStyle = 0;
807         }
808
809         rect.top = 0;
810         rect.left = 0;
811         rect.right = width;
812         rect.bottom = height;
813         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
814
815         if (fullscreen)
816         {
817                 CenterX = 0;
818                 CenterY = 0;
819         }
820         else
821         {
822                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
823                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
824         }
825         CenterX = max(0, CenterX);
826         CenterY = max(0, CenterY);
827
828         // x and y may be changed by WM_MOVE messages
829         window_x = CenterX;
830         window_y = CenterY;
831         rect.left += CenterX;
832         rect.right += CenterX;
833         rect.top += CenterY;
834         rect.bottom += CenterY;
835
836         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
837         if (!mainwindow)
838         {
839                 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);
840                 VID_Shutdown();
841                 return false;
842         }
843
844         /*
845         if (!fullscreen)
846                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
847         */
848
849         ShowWindow (mainwindow, SW_SHOWDEFAULT);
850         UpdateWindow (mainwindow);
851
852         // now we try to make sure we get the focus on the mode switch, because
853         // sometimes in some systems we don't.  We grab the foreground, then
854         // finish setting up, pump all our messages, and sleep for a little while
855         // to let messages finish bouncing around the system, then we put
856         // ourselves at the top of the z order, then grab the foreground again,
857         // Who knows if it helps, but it probably doesn't hurt
858         SetForegroundWindow (mainwindow);
859
860         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
861         {
862                 TranslateMessage (&msg);
863                 DispatchMessage (&msg);
864         }
865
866         Sleep (100);
867
868         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
869
870         SetForegroundWindow (mainwindow);
871
872         // fix the leftover Alt from any Alt-Tab or the like that switched us away
873         ClearAllStates ();
874
875         baseDC = GetDC(mainwindow);
876
877         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
878         {
879                 VID_Shutdown();
880                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
881                 return false;
882         }
883
884         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
885         {
886                 VID_Shutdown();
887                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
888                 return false;
889         }
890
891         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
892         {
893                 VID_Shutdown();
894                 Con_Print("wgl functions not found\n");
895                 return false;
896         }
897
898         baseRC = qwglCreateContext(baseDC);
899         if (!baseRC)
900         {
901                 VID_Shutdown();
902                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
903                 return false;
904         }
905         if (!qwglMakeCurrent(baseDC, baseRC))
906         {
907                 VID_Shutdown();
908                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
909                 return false;
910         }
911
912         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
913         {
914                 VID_Shutdown();
915                 Con_Print("glGetString not found\n");
916                 return false;
917         }
918         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
919                 Con_Print("wglGetExtensionsStringARB not found\n");
920         gl_renderer = qglGetString(GL_RENDERER);
921         gl_vendor = qglGetString(GL_VENDOR);
922         gl_version = qglGetString(GL_VERSION);
923         gl_extensions = qglGetString(GL_EXTENSIONS);
924         gl_platform = "WGL";
925         gl_platformextensions = "";
926
927         gl_videosyncavailable = false;
928
929         if (qwglGetExtensionsStringARB)
930                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
931
932 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
933         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
934         //ReleaseDC(mainwindow, hdc);
935
936         GL_Init ();
937
938         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
939         if (strncasecmp(gl_vendor,"ATI",3)==0)
940         {
941                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
942                         isRagePro = true;
943         }
944         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
945                 isG200 = true;
946
947         //vid_menudrawfn = VID_MenuDraw;
948         //vid_menukeyfn = VID_MenuKey;
949         vid_usingmouse = false;
950         vid_usingvsync = false;
951         vid_hidden = false;
952         vid_initialized = true;
953
954         IN_StartupMouse ();
955         IN_StartupJoystick ();
956
957         if (gl_videosyncavailable)
958         {
959                 vid_usevsync = vid_vsync.integer;
960                 vid_usingvsync = vid_vsync.integer;
961                 qwglSwapIntervalEXT (vid_usevsync);
962         }
963
964         return true;
965 }
966
967 static void IN_Shutdown(void);
968 void VID_Shutdown (void)
969 {
970         if(vid_initialized == false)
971                 return;
972
973         VID_RestoreSystemGamma();
974
975         vid_initialized = false;
976         IN_Shutdown();
977         if (qwglMakeCurrent)
978                 qwglMakeCurrent(NULL, NULL);
979         if (baseRC && qwglDeleteContext)
980                 qwglDeleteContext(baseRC);
981         // close the library before we get rid of the window
982         GL_CloseLibrary();
983         if (baseDC && mainwindow)
984                 ReleaseDC(mainwindow, baseDC);
985         AppActivate(false, false);
986         if (mainwindow)
987                 DestroyWindow(mainwindow);
988         mainwindow = 0;
989         if (vid_isfullscreen)
990                 ChangeDisplaySettings (NULL, 0);
991         vid_isfullscreen = false;
992 }
993
994 static void IN_Activate (qboolean grab)
995 {
996         if (!mouseinitialized)
997                 return;
998
999         if (grab)
1000         {
1001                 if (!vid_usingmouse)
1002                 {
1003                         vid_usingmouse = true;
1004                         cl_ignoremousemove = true;
1005                         if (dinput && g_pMouse)
1006                         {
1007                                 IDirectInputDevice_Acquire(g_pMouse);
1008                                 dinput_acquired = true;
1009                         }
1010                         else
1011                         {
1012                                 RECT window_rect;
1013                                 window_rect.left = window_x;
1014                                 window_rect.top = window_y;
1015                                 window_rect.right = window_x + vid.width;
1016                                 window_rect.bottom = window_y + vid.height;
1017                                 if (mouseparmsvalid)
1018                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1019                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1020                                 SetCapture (mainwindow);
1021                                 ClipCursor (&window_rect);
1022                         }
1023                         ShowCursor (false);
1024                 }
1025         }
1026         else
1027         {
1028                 if (vid_usingmouse)
1029                 {
1030                         vid_usingmouse = false;
1031                         cl_ignoremousemove = true;
1032                         if (dinput_acquired)
1033                         {
1034                                 IDirectInputDevice_Unacquire(g_pMouse);
1035                                 dinput_acquired = false;
1036                         }
1037                         else
1038                         {
1039                                 if (restore_spi)
1040                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1041                                 ClipCursor (NULL);
1042                                 ReleaseCapture ();
1043                         }
1044                         ShowCursor (true);
1045                 }
1046         }
1047 }
1048
1049
1050 /*
1051 ===========
1052 IN_InitDInput
1053 ===========
1054 */
1055 static qboolean IN_InitDInput (void)
1056 {
1057     HRESULT             hr;
1058         DIPROPDWORD     dipdw = {
1059                 {
1060                         sizeof(DIPROPDWORD),        // diph.dwSize
1061                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1062                         0,                          // diph.dwObj
1063                         DIPH_DEVICE,                // diph.dwHow
1064                 },
1065                 DINPUT_BUFFERSIZE,              // dwData
1066         };
1067
1068         if (!hInstDI)
1069         {
1070                 hInstDI = LoadLibrary("dinput.dll");
1071
1072                 if (hInstDI == NULL)
1073                 {
1074                         Con_Print("Couldn't load dinput.dll\n");
1075                         return false;
1076                 }
1077         }
1078
1079         if (!pDirectInputCreate)
1080         {
1081                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1082
1083                 if (!pDirectInputCreate)
1084                 {
1085                         Con_Print("Couldn't get DI proc addr\n");
1086                         return false;
1087                 }
1088         }
1089
1090 // register with DirectInput and get an IDirectInput to play with.
1091         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1092
1093         if (FAILED(hr))
1094         {
1095                 return false;
1096         }
1097
1098 // obtain an interface to the system mouse device.
1099         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1100
1101         if (FAILED(hr))
1102         {
1103                 Con_Print("Couldn't open DI mouse device\n");
1104                 return false;
1105         }
1106
1107 // set the data format to "mouse format".
1108         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1109
1110         if (FAILED(hr))
1111         {
1112                 Con_Print("Couldn't set DI mouse format\n");
1113                 return false;
1114         }
1115
1116 // set the cooperativity level.
1117         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1118                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1119
1120         if (FAILED(hr))
1121         {
1122                 Con_Print("Couldn't set DI coop level\n");
1123                 return false;
1124         }
1125
1126
1127 // set the buffer size to DINPUT_BUFFERSIZE elements.
1128 // the buffer size is a DWORD property associated with the device
1129         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1130
1131         if (FAILED(hr))
1132         {
1133                 Con_Print("Couldn't set DI buffersize\n");
1134                 return false;
1135         }
1136
1137         return true;
1138 }
1139
1140
1141 /*
1142 ===========
1143 IN_StartupMouse
1144 ===========
1145 */
1146 static void IN_StartupMouse (void)
1147 {
1148         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1149                 return;
1150
1151         mouseinitialized = true;
1152
1153 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1154         if (COM_CheckParm ("-dinput"))
1155                 dinput = IN_InitDInput ();
1156
1157         if (dinput)
1158                 Con_Print("DirectInput initialized\n");
1159         else
1160                 Con_Print("DirectInput not initialized\n");
1161
1162         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1163
1164         if (mouseparmsvalid)
1165         {
1166 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1167                 if ( COM_CheckParm ("-noforcemspd") )
1168                         newmouseparms[2] = originalmouseparms[2];
1169
1170 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1171                 if ( COM_CheckParm ("-noforcemaccel") )
1172                 {
1173                         newmouseparms[0] = originalmouseparms[0];
1174                         newmouseparms[1] = originalmouseparms[1];
1175                 }
1176
1177 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1178                 if ( COM_CheckParm ("-noforcemparms") )
1179                 {
1180                         newmouseparms[0] = originalmouseparms[0];
1181                         newmouseparms[1] = originalmouseparms[1];
1182                         newmouseparms[2] = originalmouseparms[2];
1183                 }
1184         }
1185
1186         mouse_buttons = 10;
1187 }
1188
1189
1190 /*
1191 ===========
1192 IN_MouseMove
1193 ===========
1194 */
1195 static void IN_MouseMove (void)
1196 {
1197         int i, mx, my;
1198         POINT current_pos;
1199
1200         if (!vid_usingmouse)
1201         {
1202                 //GetCursorPos (&current_pos);
1203                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1204                 return;
1205         }
1206
1207         if (dinput_acquired)
1208         {
1209                 DIDEVICEOBJECTDATA      od;
1210                 DWORD                           dwElements;
1211                 HRESULT                         hr;
1212                 mx = 0;
1213                 my = 0;
1214
1215                 for (;;)
1216                 {
1217                         dwElements = 1;
1218
1219                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1220                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1221
1222                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1223                         {
1224                                 IDirectInputDevice_Acquire(g_pMouse);
1225                                 break;
1226                         }
1227
1228                         /* Unable to read data or no data available */
1229                         if (FAILED(hr) || dwElements == 0)
1230                                 break;
1231
1232                         /* Look at the element to see what happened */
1233
1234                         switch (od.dwOfs)
1235                         {
1236                                 case DIMOFS_X:
1237                                         mx += od.dwData;
1238                                         break;
1239
1240                                 case DIMOFS_Y:
1241                                         my += od.dwData;
1242                                         break;
1243
1244                                 case DIMOFS_BUTTON0:
1245                                         if (od.dwData & 0x80)
1246                                                 mstate_di |= 1;
1247                                         else
1248                                                 mstate_di &= ~1;
1249                                         break;
1250
1251                                 case DIMOFS_BUTTON1:
1252                                         if (od.dwData & 0x80)
1253                                                 mstate_di |= (1<<1);
1254                                         else
1255                                                 mstate_di &= ~(1<<1);
1256                                         break;
1257
1258                                 case DIMOFS_BUTTON2:
1259                                         if (od.dwData & 0x80)
1260                                                 mstate_di |= (1<<2);
1261                                         else
1262                                                 mstate_di &= ~(1<<2);
1263                                         break;
1264                         }
1265                 }
1266
1267                 // perform button actions
1268                 for (i=0 ; i<mouse_buttons ; i++)
1269                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1270                                 Key_Event (K_MOUSE1 + i, 0, (mstate_di & (1<<i)) != 0);
1271                 mouse_oldbuttonstate = mstate_di;
1272
1273                 in_mouse_x = mx;
1274                 in_mouse_y = my;
1275         }
1276         else
1277         {
1278                 GetCursorPos (&current_pos);
1279                 mx = current_pos.x - (window_x + vid.width / 2);
1280                 my = current_pos.y - (window_y + vid.height / 2);
1281
1282                 in_mouse_x = mx;
1283                 in_mouse_y = my;
1284
1285                 // if the mouse has moved, force it to the center, so there's room to move
1286                 if (mx || my)
1287                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1288         }
1289 }
1290
1291
1292 /*
1293 ===========
1294 IN_Move
1295 ===========
1296 */
1297 void IN_Move (void)
1298 {
1299         if (vid_activewindow && !vid_hidden)
1300         {
1301                 IN_MouseMove ();
1302                 IN_JoyMove ();
1303         }
1304 }
1305
1306
1307 /*
1308 ===============
1309 IN_StartupJoystick
1310 ===============
1311 */
1312 static void IN_StartupJoystick (void)
1313 {
1314         int                     numdevs;
1315         JOYCAPS         jc;
1316         MMRESULT        mmr;
1317         mmr = 0;
1318
1319         // assume no joystick
1320         joy_avail = false;
1321
1322         // abort startup if user requests no joystick
1323 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1324         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1325                 return;
1326
1327         // verify joystick driver is present
1328         if ((numdevs = joyGetNumDevs ()) == 0)
1329         {
1330                 Con_Print("\njoystick not found -- driver not present\n\n");
1331                 return;
1332         }
1333
1334         // cycle through the joystick ids for the first valid one
1335         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1336         {
1337                 memset (&ji, 0, sizeof(ji));
1338                 ji.dwSize = sizeof(ji);
1339                 ji.dwFlags = JOY_RETURNCENTERED;
1340
1341                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1342                         break;
1343         }
1344
1345         // abort startup if we didn't find a valid joystick
1346         if (mmr != JOYERR_NOERROR)
1347         {
1348                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1349                 return;
1350         }
1351
1352         // get the capabilities of the selected joystick
1353         // abort startup if command fails
1354         memset (&jc, 0, sizeof(jc));
1355         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1356         {
1357                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1358                 return;
1359         }
1360
1361         // save the joystick's number of buttons and POV status
1362         joy_numbuttons = jc.wNumButtons;
1363         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1364
1365         // old button and POV states default to no buttons pressed
1366         joy_oldbuttonstate = joy_oldpovstate = 0;
1367
1368         // mark the joystick as available and advanced initialization not completed
1369         // this is needed as cvars are not available during initialization
1370
1371         joy_avail = true;
1372         joy_advancedinit = false;
1373
1374         Con_Print("\njoystick detected\n\n");
1375 }
1376
1377
1378 /*
1379 ===========
1380 RawValuePointer
1381 ===========
1382 */
1383 static PDWORD RawValuePointer (int axis)
1384 {
1385         switch (axis)
1386         {
1387         case JOY_AXIS_X:
1388                 return &ji.dwXpos;
1389         case JOY_AXIS_Y:
1390                 return &ji.dwYpos;
1391         case JOY_AXIS_Z:
1392                 return &ji.dwZpos;
1393         case JOY_AXIS_R:
1394                 return &ji.dwRpos;
1395         case JOY_AXIS_U:
1396                 return &ji.dwUpos;
1397         case JOY_AXIS_V:
1398                 return &ji.dwVpos;
1399         }
1400         return NULL; // LordHavoc: hush compiler warning
1401 }
1402
1403
1404 /*
1405 ===========
1406 Joy_AdvancedUpdate_f
1407 ===========
1408 */
1409 static void Joy_AdvancedUpdate_f (void)
1410 {
1411
1412         // called once by IN_ReadJoystick and by user whenever an update is needed
1413         // cvars are now available
1414         int     i;
1415         DWORD dwTemp;
1416
1417         // initialize all the maps
1418         for (i = 0; i < JOY_MAX_AXES; i++)
1419         {
1420                 dwAxisMap[i] = AxisNada;
1421                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1422                 pdwRawValue[i] = RawValuePointer(i);
1423         }
1424
1425         if( joy_advanced.integer == 0)
1426         {
1427                 // default joystick initialization
1428                 // 2 axes only with joystick control
1429                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1430                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1431                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1432                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1433         }
1434         else
1435         {
1436                 if (strcmp (joy_name.string, "joystick") != 0)
1437                 {
1438                         // notify user of advanced controller
1439                         Con_Printf("\n%s configured\n\n", joy_name.string);
1440                 }
1441
1442                 // advanced initialization here
1443                 // data supplied by user via joy_axisn cvars
1444                 dwTemp = (DWORD) joy_advaxisx.value;
1445                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1446                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1447                 dwTemp = (DWORD) joy_advaxisy.value;
1448                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1449                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1450                 dwTemp = (DWORD) joy_advaxisz.value;
1451                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1452                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1453                 dwTemp = (DWORD) joy_advaxisr.value;
1454                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1455                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1456                 dwTemp = (DWORD) joy_advaxisu.value;
1457                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1458                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1459                 dwTemp = (DWORD) joy_advaxisv.value;
1460                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1461                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1462         }
1463
1464         // compute the axes to collect from DirectInput
1465         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1466         for (i = 0; i < JOY_MAX_AXES; i++)
1467         {
1468                 if (dwAxisMap[i] != AxisNada)
1469                 {
1470                         joy_flags |= dwAxisFlags[i];
1471                 }
1472         }
1473 }
1474
1475 /*
1476 ===============
1477 IN_ReadJoystick
1478 ===============
1479 */
1480 static qboolean IN_ReadJoystick (void)
1481 {
1482
1483         memset (&ji, 0, sizeof(ji));
1484         ji.dwSize = sizeof(ji);
1485         ji.dwFlags = joy_flags;
1486
1487         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1488         {
1489                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1490                 // rather than having 32768 be the zero point, they have the zero point at 32668
1491                 // go figure -- anyway, now we get the full resolution out of the device
1492                 if (joy_wwhack1.integer != 0.0)
1493                 {
1494                         ji.dwUpos += 100;
1495                 }
1496                 return true;
1497         }
1498         else
1499         {
1500                 // read error occurred
1501                 // turning off the joystick seems too harsh for 1 read error,
1502                 // but what should be done?
1503                 return false;
1504         }
1505 }
1506
1507
1508 /*
1509 ===========
1510 IN_JoyMove
1511 ===========
1512 */
1513 static void IN_JoyMove (void)
1514 {
1515         float   speed, aspeed;
1516         float   fAxisValue, fTemp;
1517         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1518
1519         // complete initialization if first time in
1520         // this is needed as cvars are not available at initialization time
1521         if( joy_advancedinit != true )
1522         {
1523                 Joy_AdvancedUpdate_f();
1524                 joy_advancedinit = true;
1525         }
1526
1527         if (joy_avail)
1528         {
1529                 int             i, key_index;
1530                 DWORD   buttonstate, povstate;
1531
1532                 // loop through the joystick buttons
1533                 // key a joystick event or auxillary event for higher number buttons for each state change
1534                 buttonstate = ji.dwButtons;
1535                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1536                 {
1537                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1538                         {
1539                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1540                                 Key_Event (key_index + i, 0, true);
1541                         }
1542
1543                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1544                         {
1545                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1546                                 Key_Event (key_index + i, 0, false);
1547                         }
1548                 }
1549                 joy_oldbuttonstate = buttonstate;
1550
1551                 if (joy_haspov)
1552                 {
1553                         // convert POV information into 4 bits of state information
1554                         // this avoids any potential problems related to moving from one
1555                         // direction to another without going through the center position
1556                         povstate = 0;
1557                         if(ji.dwPOV != JOY_POVCENTERED)
1558                         {
1559                                 if (ji.dwPOV == JOY_POVFORWARD)
1560                                         povstate |= 0x01;
1561                                 if (ji.dwPOV == JOY_POVRIGHT)
1562                                         povstate |= 0x02;
1563                                 if (ji.dwPOV == JOY_POVBACKWARD)
1564                                         povstate |= 0x04;
1565                                 if (ji.dwPOV == JOY_POVLEFT)
1566                                         povstate |= 0x08;
1567                         }
1568                         // determine which bits have changed and key an auxillary event for each change
1569                         for (i=0 ; i < 4 ; i++)
1570                         {
1571                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1572                                 {
1573                                         Key_Event (K_AUX29 + i, 0, true);
1574                                 }
1575
1576                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1577                                 {
1578                                         Key_Event (K_AUX29 + i, 0, false);
1579                                 }
1580                         }
1581                         joy_oldpovstate = povstate;
1582                 }
1583         }
1584
1585         // verify joystick is available and that the user wants to use it
1586         if (!joy_avail || !in_joystick.integer)
1587         {
1588                 return;
1589         }
1590
1591         // collect the joystick data, if possible
1592         if (IN_ReadJoystick () != true)
1593         {
1594                 return;
1595         }
1596
1597         if (in_speed.state & 1)
1598                 speed = cl_movespeedkey.value;
1599         else
1600                 speed = 1;
1601         // LordHavoc: viewzoom affects sensitivity for sniping
1602         aspeed = speed * host_realframetime * cl.viewzoom;
1603
1604         // loop through the axes
1605         for (i = 0; i < JOY_MAX_AXES; i++)
1606         {
1607                 // get the floating point zero-centered, potentially-inverted data for the current axis
1608                 fAxisValue = (float) *pdwRawValue[i];
1609                 // move centerpoint to zero
1610                 fAxisValue -= 32768.0;
1611
1612                 if (joy_wwhack2.integer != 0.0)
1613                 {
1614                         if (dwAxisMap[i] == AxisTurn)
1615                         {
1616                                 // this is a special formula for the Logitech WingMan Warrior
1617                                 // y=ax^b; where a = 300 and b = 1.3
1618                                 // also x values are in increments of 800 (so this is factored out)
1619                                 // then bounds check result to level out excessively high spin rates
1620                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1621                                 if (fTemp > 14000.0)
1622                                         fTemp = 14000.0;
1623                                 // restore direction information
1624                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1625                         }
1626                 }
1627
1628                 // convert range from -32768..32767 to -1..1
1629                 fAxisValue /= 32768.0;
1630
1631                 switch (dwAxisMap[i])
1632                 {
1633                 case AxisForward:
1634                         if ((joy_advanced.integer == 0) && mouselook)
1635                         {
1636                                 // user wants forward control to become look control
1637                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1638                                 {
1639                                         // if mouse invert is on, invert the joystick pitch value
1640                                         // only absolute control support here (joy_advanced is false)
1641                                         if (m_pitch.value < 0.0)
1642                                         {
1643                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1644                                         }
1645                                         else
1646                                         {
1647                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1648                                         }
1649                                         V_StopPitchDrift();
1650                                 }
1651                                 else
1652                                 {
1653                                         // no pitch movement
1654                                         // disable pitch return-to-center unless requested by user
1655                                         // *** this code can be removed when the lookspring bug is fixed
1656                                         // *** the bug always has the lookspring feature on
1657                                         if(lookspring.value == 0.0)
1658                                                 V_StopPitchDrift();
1659                                 }
1660                         }
1661                         else
1662                         {
1663                                 // user wants forward control to be forward control
1664                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1665                                 {
1666                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1667                                 }
1668                         }
1669                         break;
1670
1671                 case AxisSide:
1672                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1673                         {
1674                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1675                         }
1676                         break;
1677
1678                 case AxisTurn:
1679                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1680                         {
1681                                 // user wants turn control to become side control
1682                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1683                                 {
1684                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1685                                 }
1686                         }
1687                         else
1688                         {
1689                                 // user wants turn control to be turn control
1690                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1691                                 {
1692                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1693                                         {
1694                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1695                                         }
1696                                         else
1697                                         {
1698                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1699                                         }
1700
1701                                 }
1702                         }
1703                         break;
1704
1705                 case AxisLook:
1706                         if (mouselook)
1707                         {
1708                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1709                                 {
1710                                         // pitch movement detected and pitch movement desired by user
1711                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1712                                         {
1713                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1714                                         }
1715                                         else
1716                                         {
1717                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1718                                         }
1719                                         V_StopPitchDrift();
1720                                 }
1721                                 else
1722                                 {
1723                                         // no pitch movement
1724                                         // disable pitch return-to-center unless requested by user
1725                                         // *** this code can be removed when the lookspring bug is fixed
1726                                         // *** the bug always has the lookspring feature on
1727                                         if(lookspring.integer == 0)
1728                                                 V_StopPitchDrift();
1729                                 }
1730                         }
1731                         break;
1732
1733                 default:
1734                         break;
1735                 }
1736         }
1737 }
1738
1739 static void IN_Init(void)
1740 {
1741         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1742
1743         // joystick variables
1744         Cvar_RegisterVariable (&in_joystick);
1745         Cvar_RegisterVariable (&joy_name);
1746         Cvar_RegisterVariable (&joy_advanced);
1747         Cvar_RegisterVariable (&joy_advaxisx);
1748         Cvar_RegisterVariable (&joy_advaxisy);
1749         Cvar_RegisterVariable (&joy_advaxisz);
1750         Cvar_RegisterVariable (&joy_advaxisr);
1751         Cvar_RegisterVariable (&joy_advaxisu);
1752         Cvar_RegisterVariable (&joy_advaxisv);
1753         Cvar_RegisterVariable (&joy_forwardthreshold);
1754         Cvar_RegisterVariable (&joy_sidethreshold);
1755         Cvar_RegisterVariable (&joy_pitchthreshold);
1756         Cvar_RegisterVariable (&joy_yawthreshold);
1757         Cvar_RegisterVariable (&joy_forwardsensitivity);
1758         Cvar_RegisterVariable (&joy_sidesensitivity);
1759         Cvar_RegisterVariable (&joy_pitchsensitivity);
1760         Cvar_RegisterVariable (&joy_yawsensitivity);
1761         Cvar_RegisterVariable (&joy_wwhack1);
1762         Cvar_RegisterVariable (&joy_wwhack2);
1763         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1764 }
1765
1766 static void IN_Shutdown(void)
1767 {
1768         IN_Activate (false);
1769
1770         if (g_pMouse)
1771                 IDirectInputDevice_Release(g_pMouse);
1772         g_pMouse = NULL;
1773
1774         if (g_pdi)
1775                 IDirectInput_Release(g_pdi);
1776         g_pdi = NULL;
1777 }