grab mouse when using menu while watching demos (important for nexuiz)
[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 <mmsystem.h>
28 #include <dsound.h>
29 #include "resource.h"
30 #include <commctrl.h>
31 #include <dinput.h>
32
33 extern void S_BlockSound (void);
34 extern void S_UnblockSound (void);
35 extern HINSTANCE global_hInstance;
36
37
38 #ifndef WM_MOUSEWHEEL
39 #define WM_MOUSEWHEEL                   0x020A
40 #endif
41
42 // Tell startup code that we have a client
43 int cl_available = true;
44
45 qboolean vid_supportrefreshrate = true;
46
47 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
48 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
49 //static int (WINAPI *qwglGetPixelFormat)(HDC);
50 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
51 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
52 static HGLRC (WINAPI *qwglCreateContext)(HDC);
53 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
54 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
55 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
56 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
57 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
58 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
59 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
60
61 static dllfunction_t wglfuncs[] =
62 {
63         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
64         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
65 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
66         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
67         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
68         {"wglCreateContext", (void **) &qwglCreateContext},
69         {"wglDeleteContext", (void **) &qwglDeleteContext},
70         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
71         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
72         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
73         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
74         {NULL, NULL}
75 };
76
77 static dllfunction_t wglswapintervalfuncs[] =
78 {
79         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
80         {NULL, NULL}
81 };
82
83 static DEVMODE gdevmode;
84 static qboolean vid_initialized = false;
85 static qboolean vid_wassuspended = false;
86 static qboolean vid_usingmouse = false;
87 static qboolean vid_usingvsync = false;
88 static qboolean vid_usevsync = false;
89 static HICON hIcon;
90
91 // used by cd_win.c and snd_win.c
92 HWND mainwindow;
93
94 static HDC       baseDC;
95 static HGLRC baseRC;
96
97 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
98
99 static qboolean vid_isfullscreen;
100
101 //void VID_MenuDraw (void);
102 //void VID_MenuKey (int key);
103
104 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
105 //void AppActivate(BOOL fActive, BOOL minimize);
106 //void ClearAllStates (void);
107 //void VID_UpdateWindowStatus (void);
108
109 //====================================
110
111 static int window_x, window_y;
112
113 static void IN_Activate (qboolean grab);
114
115 static qboolean mouseinitialized;
116 static qboolean dinput;
117
118 // input code
119
120 #define DINPUT_BUFFERSIZE           16
121 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
122
123 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
124
125 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
126 /* backslash :: imouse explorer buttons */
127 /* These are #ifdefed out for non-Win2K in the February 2001 version of
128    MS's platform SDK, but we need them for compilation. . . */
129 #ifndef WM_XBUTTONDOWN
130    #define WM_XBUTTONDOWN      0x020B
131    #define WM_XBUTTONUP      0x020C
132 #endif
133 #ifndef MK_XBUTTON1
134    #define MK_XBUTTON1         0x0020
135    #define MK_XBUTTON2         0x0040
136 // LordHavoc: lets hope this allows more buttons in the future...
137    #define MK_XBUTTON3         0x0080
138    #define MK_XBUTTON4         0x0100
139    #define MK_XBUTTON5         0x0200
140    #define MK_XBUTTON6         0x0400
141    #define MK_XBUTTON7         0x0800
142 #endif
143 /* :: backslash */
144
145 // mouse variables
146 static int                      mouse_buttons;
147 static int                      mouse_oldbuttonstate;
148
149 static qboolean restore_spi;
150 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 0};
151
152 static unsigned int uiWheelMessage;
153 static qboolean mouseparmsvalid;
154 static qboolean dinput_acquired;
155
156 static unsigned int             mstate_di;
157
158 // joystick defines and variables
159 // where should defines be moved?
160 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
161 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
162 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
163 #define JOY_AXIS_X                      0
164 #define JOY_AXIS_Y                      1
165 #define JOY_AXIS_Z                      2
166 #define JOY_AXIS_R                      3
167 #define JOY_AXIS_U                      4
168 #define JOY_AXIS_V                      5
169
170 enum _ControlList
171 {
172         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
173 };
174
175 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
176 {
177         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
178 };
179
180 static DWORD    dwAxisMap[JOY_MAX_AXES];
181 static DWORD    dwControlMap[JOY_MAX_AXES];
182 static PDWORD   pdwRawValue[JOY_MAX_AXES];
183
184 // none of these cvars are saved over a session
185 // this means that advanced controller configuration needs to be executed
186 // each time.  this avoids any problems with getting back to a default usage
187 // or when changing from one controller to another.  this way at least something
188 // works.
189 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
190 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
191 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
192 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
193 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
194 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
195 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
196 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
197 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
198 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
199 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
200 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
201 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
202 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
203 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
204 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
205 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
206 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
207 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
208
209 static qboolean joy_avail, joy_advancedinit, joy_haspov;
210 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
211
212 static int                      joy_id;
213 static DWORD            joy_flags;
214 static DWORD            joy_numbuttons;
215
216 static LPDIRECTINPUT            g_pdi;
217 static LPDIRECTINPUTDEVICE      g_pMouse;
218
219 static JOYINFOEX        ji;
220
221 static HINSTANCE hInstDI;
222
223 //static qboolean       dinput;
224
225 typedef struct MYDATA {
226         LONG  lX;                   // X axis goes here
227         LONG  lY;                   // Y axis goes here
228         LONG  lZ;                   // Z axis goes here
229         BYTE  bButtonA;             // One button goes here
230         BYTE  bButtonB;             // Another button goes here
231         BYTE  bButtonC;             // Another button goes here
232         BYTE  bButtonD;             // Another button goes here
233 } MYDATA;
234
235 static DIOBJECTDATAFORMAT rgodf[] = {
236   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
237   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
238   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
239   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
240   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
241   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
242   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
243 };
244
245 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
246
247 static DIDATAFORMAT     df = {
248         sizeof(DIDATAFORMAT),       // this structure
249         sizeof(DIOBJECTDATAFORMAT), // size of object data format
250         DIDF_RELAXIS,               // absolute axis coordinates
251         sizeof(MYDATA),             // device data size
252         NUM_OBJECTS,                // number of objects
253         rgodf,                      // and here they are
254 };
255
256 // forward-referenced functions
257 static void IN_StartupJoystick (void);
258 static void Joy_AdvancedUpdate_f (void);
259 static void IN_JoyMove (void);
260 static void IN_StartupMouse (void);
261
262
263 //====================================
264
265 void VID_Finish (qboolean allowmousegrab)
266 {
267         qboolean vid_usemouse;
268
269         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
270         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
271         {
272                 vid_usingvsync = vid_usevsync;
273                 qwglSwapIntervalEXT (vid_usevsync);
274         }
275
276 // handle the mouse state when windowed if that's changed
277         vid_usemouse = false;
278         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
279                 vid_usemouse = true;
280         if (vid_isfullscreen)
281                 vid_usemouse = true;
282         if (!vid_activewindow)
283                 vid_usemouse = false;
284         IN_Activate(vid_usemouse);
285
286         if (r_render.integer && !vid_hidden)
287         {
288                 if (r_speeds.integer || gl_finish.integer)
289                         qglFinish();
290                 SwapBuffers(baseDC);
291         }
292
293         VID_UpdateGamma(false, 256);
294 }
295
296 //==========================================================================
297
298
299
300
301 static unsigned char scantokey[128] =
302 {
303 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
304         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
305         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
306         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
307         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
308         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
309         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
310         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
311         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
312 };
313
314
315 /*
316 =======
317 MapKey
318
319 Map from windows to quake keynums
320 =======
321 */
322 static int MapKey (int key, int virtualkey)
323 {
324         int result;
325         int modified = (key >> 16) & 255;
326         qboolean is_extended = false;
327
328         if (modified < 128 && scantokey[modified])
329                 result = scantokey[modified];
330         else
331         {
332                 result = 0;
333                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
334         }
335
336         if (key & (1 << 24))
337                 is_extended = true;
338
339         if ( !is_extended )
340         {
341                 switch ( result )
342                 {
343                 case K_HOME:
344                         return K_KP_HOME;
345                 case K_UPARROW:
346                         return K_KP_UPARROW;
347                 case K_PGUP:
348                         return K_KP_PGUP;
349                 case K_LEFTARROW:
350                         return K_KP_LEFTARROW;
351                 case K_RIGHTARROW:
352                         return K_KP_RIGHTARROW;
353                 case K_END:
354                         return K_KP_END;
355                 case K_DOWNARROW:
356                         return K_KP_DOWNARROW;
357                 case K_PGDN:
358                         return K_KP_PGDN;
359                 case K_INS:
360                         return K_KP_INS;
361                 case K_DEL:
362                         return K_KP_DEL;
363                 default:
364                         return result;
365                 }
366         }
367         else
368         {
369                 switch ( result )
370                 {
371                 case 0x0D:
372                         return K_KP_ENTER;
373                 case 0x2F:
374                         return K_KP_SLASH;
375                 case 0xAF:
376                         return K_KP_PLUS;
377                 }
378                 return result;
379         }
380 }
381
382 /*
383 ===================================================================
384
385 MAIN WINDOW
386
387 ===================================================================
388 */
389
390 /*
391 ================
392 ClearAllStates
393 ================
394 */
395 static void ClearAllStates (void)
396 {
397         Key_ClearStates ();
398         if (vid_usingmouse)
399                 mouse_oldbuttonstate = 0;
400 }
401
402 void AppActivate(BOOL fActive, BOOL minimize)
403 /****************************************************************************
404 *
405 * Function:     AppActivate
406 * Parameters:   fActive - True if app is activating
407 *
408 * Description:  If the application is activating, then swap the system
409 *               into SYSPAL_NOSTATIC mode so that our palettes will display
410 *               correctly.
411 *
412 ****************************************************************************/
413 {
414         static BOOL     sound_active;
415
416         vid_activewindow = fActive;
417         vid_hidden = minimize;
418
419 // enable/disable sound on focus gain/loss
420         if (!vid_activewindow && sound_active)
421         {
422                 S_BlockSound ();
423                 sound_active = false;
424         }
425         else if (vid_activewindow && !sound_active)
426         {
427                 S_UnblockSound ();
428                 sound_active = true;
429         }
430
431         if (fActive)
432         {
433                 if (vid_isfullscreen)
434                 {
435                         if (vid_wassuspended)
436                         {
437                                 vid_wassuspended = false;
438                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
439                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
440                         }
441
442                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
443                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
444                 }
445         }
446
447         if (!fActive)
448         {
449                 IN_Activate (false);
450                 if (vid_isfullscreen)
451                 {
452                         ChangeDisplaySettings (NULL, 0);
453                         vid_wassuspended = true;
454                 }
455                 VID_RestoreSystemGamma();
456         }
457 }
458
459 //TODO: move it around in vid_wgl.c since I dont think this is the right position
460 void Sys_SendKeyEvents (void)
461 {
462         MSG msg;
463
464         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
465         {
466                 if (!GetMessage (&msg, NULL, 0, 0))
467                         Sys_Quit ();
468
469                 TranslateMessage (&msg);
470                 DispatchMessage (&msg);
471         }
472 }
473
474 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
475
476 static keynum_t buttonremap[16] =
477 {
478         K_MOUSE1,
479         K_MOUSE2,
480         K_MOUSE3,
481         K_MOUSE4,
482         K_MOUSE5,
483         K_MOUSE6,
484         K_MOUSE7,
485         K_MOUSE8,
486         K_MOUSE9,
487         K_MOUSE10,
488         K_MOUSE11,
489         K_MOUSE12,
490         K_MOUSE13,
491         K_MOUSE14,
492         K_MOUSE15,
493         K_MOUSE16,
494 };
495
496 /* main window procedure */
497 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
498 {
499         LONG    lRet = 1;
500         int             fActive, fMinimized, temp;
501         char    state[256];
502         char    asciichar[4];
503         int             vkey;
504         int             charlength;
505         qboolean down = false;
506
507         if ( uMsg == uiWheelMessage )
508                 uMsg = WM_MOUSEWHEEL;
509
510         switch (uMsg)
511         {
512                 case WM_KILLFOCUS:
513                         if (vid_isfullscreen)
514                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
515                         break;
516
517                 case WM_CREATE:
518                         break;
519
520                 case WM_MOVE:
521                         window_x = (int) LOWORD(lParam);
522                         window_y = (int) HIWORD(lParam);
523                         IN_Activate(false);
524                         break;
525
526                 case WM_KEYDOWN:
527                 case WM_SYSKEYDOWN:
528                         down = true;
529                 case WM_KEYUP:
530                 case WM_SYSKEYUP:
531                         vkey = MapKey(lParam, wParam);
532                         GetKeyboardState (state);
533                         // alt/ctrl/shift tend to produce funky ToAscii values,
534                         // and if it's not a single character we don't know care about it
535                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
536                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
537                                 asciichar[0] = 0;
538                         else if( charlength == 2 ) {
539                                 asciichar[0] = asciichar[1];
540                         }
541                         Key_Event (vkey, asciichar[0], down);
542                         break;
543
544                 case WM_SYSCHAR:
545                 // keep Alt-Space from happening
546                         break;
547
548         // this is complicated because Win32 seems to pack multiple mouse events into
549         // one update sometimes, so we always check all states and look for events
550                 case WM_LBUTTONDOWN:
551                 case WM_LBUTTONUP:
552                 case WM_RBUTTONDOWN:
553                 case WM_RBUTTONUP:
554                 case WM_MBUTTONDOWN:
555                 case WM_MBUTTONUP:
556                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
557                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
558                 case WM_MOUSEMOVE:
559                         temp = 0;
560
561                         if (wParam & MK_LBUTTON)
562                                 temp |= 1;
563
564                         if (wParam & MK_RBUTTON)
565                                 temp |= 2;
566
567                         if (wParam & MK_MBUTTON)
568                                 temp |= 4;
569
570                         /* backslash :: imouse explorer buttons */
571                         if (wParam & MK_XBUTTON1)
572                                 temp |= 8;
573
574                         if (wParam & MK_XBUTTON2)
575                                 temp |= 16;
576                         /* :: backslash */
577
578                         // LordHavoc: lets hope this allows more buttons in the future...
579                         if (wParam & MK_XBUTTON3)
580                                 temp |= 32;
581                         if (wParam & MK_XBUTTON4)
582                                 temp |= 64;
583                         if (wParam & MK_XBUTTON5)
584                                 temp |= 128;
585                         if (wParam & MK_XBUTTON6)
586                                 temp |= 256;
587                         if (wParam & MK_XBUTTON7)
588                                 temp |= 512;
589
590                         if (vid_usingmouse && !dinput_acquired)
591                         {
592                                 // perform button actions
593                                 int i;
594                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
595                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
596                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
597                                 mouse_oldbuttonstate = temp;
598                         }
599
600                         break;
601
602                 // JACK: This is the mouse wheel with the Intellimouse
603                 // Its delta is either positive or neg, and we generate the proper
604                 // Event.
605                 case WM_MOUSEWHEEL:
606                         if ((short) HIWORD(wParam) > 0) {
607                                 Key_Event(K_MWHEELUP, 0, true);
608                                 Key_Event(K_MWHEELUP, 0, false);
609                         } else {
610                                 Key_Event(K_MWHEELDOWN, 0, true);
611                                 Key_Event(K_MWHEELDOWN, 0, false);
612                         }
613                         break;
614
615                 case WM_SIZE:
616                         break;
617
618                 case WM_CLOSE:
619                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
620                                 Sys_Quit ();
621
622                         break;
623
624                 case WM_ACTIVATE:
625                         fActive = LOWORD(wParam);
626                         fMinimized = (BOOL) HIWORD(wParam);
627                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
628
629                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
630                         ClearAllStates ();
631
632                         break;
633
634                 //case WM_DESTROY:
635                 //      PostQuitMessage (0);
636                 //      break;
637
638                 case MM_MCINOTIFY:
639                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
640                         break;
641
642                 default:
643                         /* pass all unhandled messages to DefWindowProc */
644                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
645                 break;
646         }
647
648         /* return 1 if handled message, 0 if not */
649         return lRet;
650 }
651
652 int VID_SetGamma(unsigned short *ramps, int rampsize)
653 {
654         HDC hdc = GetDC (NULL);
655         int i = SetDeviceGammaRamp(hdc, ramps);
656         ReleaseDC (NULL, hdc);
657         return i; // return success or failure
658 }
659
660 int VID_GetGamma(unsigned short *ramps, int rampsize)
661 {
662         HDC hdc = GetDC (NULL);
663         int i = GetDeviceGammaRamp(hdc, ramps);
664         ReleaseDC (NULL, hdc);
665         return i; // return success or failure
666 }
667
668 static HINSTANCE gldll;
669
670 static void GL_CloseLibrary(void)
671 {
672         FreeLibrary(gldll);
673         gldll = 0;
674         gl_driver[0] = 0;
675         qwglGetProcAddress = NULL;
676         gl_extensions = "";
677         gl_platform = "";
678         gl_platformextensions = "";
679 }
680
681 static int GL_OpenLibrary(const char *name)
682 {
683         Con_Printf("Loading OpenGL driver %s\n", name);
684         GL_CloseLibrary();
685         if (!(gldll = LoadLibrary(name)))
686         {
687                 Con_Printf("Unable to LoadLibrary %s\n", name);
688                 return false;
689         }
690         strcpy(gl_driver, name);
691         return true;
692 }
693
694 void *GL_GetProcAddress(const char *name)
695 {
696         void *p = NULL;
697         if (qwglGetProcAddress != NULL)
698                 p = (void *) qwglGetProcAddress(name);
699         if (p == NULL)
700                 p = (void *) GetProcAddress(gldll, name);
701         return p;
702 }
703
704 static void IN_Init(void);
705 void VID_Init(void)
706 {
707         WNDCLASS wc;
708
709         InitCommonControls();
710         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
711
712         // Register the frame class
713         wc.style         = 0;
714         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
715         wc.cbClsExtra    = 0;
716         wc.cbWndExtra    = 0;
717         wc.hInstance     = global_hInstance;
718         wc.hIcon         = hIcon;
719         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
720         wc.hbrBackground = NULL;
721         wc.lpszMenuName  = 0;
722         wc.lpszClassName = "DarkPlacesWindowClass";
723
724         if (!RegisterClass (&wc))
725                 Con_Printf ("Couldn't register window class\n");
726
727         IN_Init();
728 }
729
730 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate)
731 {
732         int i;
733         HDC hdc;
734         RECT rect;
735         MSG msg;
736         PIXELFORMATDESCRIPTOR pfd =
737         {
738                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
739                 1,                              // version number
740                 PFD_DRAW_TO_WINDOW              // support window
741                 |  PFD_SUPPORT_OPENGL   // support OpenGL
742                 |  PFD_DOUBLEBUFFER ,   // double buffered
743                 PFD_TYPE_RGBA,                  // RGBA type
744                 24,                             // 24-bit color depth
745                 0, 0, 0, 0, 0, 0,               // color bits ignored
746                 0,                              // no alpha buffer
747                 0,                              // shift bit ignored
748                 0,                              // no accumulation buffer
749                 0, 0, 0, 0,                     // accum bits ignored
750                 32,                             // 32-bit z-buffer
751                 0,                              // no stencil buffer
752                 0,                              // no auxiliary buffer
753                 PFD_MAIN_PLANE,                 // main layer
754                 0,                              // reserved
755                 0, 0, 0                         // layer masks ignored
756         };
757         int pixelformat;
758         DWORD WindowStyle, ExWindowStyle;
759         int CenterX, CenterY;
760         const char *gldrivername;
761         int depth;
762
763         if (vid_initialized)
764                 Sys_Error("VID_InitMode called when video is already initialised");
765
766         // if stencil is enabled, ask for alpha too
767         if (bpp >= 32)
768         {
769                 pfd.cStencilBits = 8;
770                 pfd.cAlphaBits = 8;
771         }
772         else
773         {
774                 pfd.cStencilBits = 0;
775                 pfd.cAlphaBits = 0;
776         }
777
778         gldrivername = "opengl32.dll";
779 // COMMANDLINEOPTION: Windows WGL: -gl_driver <drivername> selects a GL driver library, default is opengl32.dll, useful only for 3dfxogl.dll or 3dfxvgl.dll, if you don't know what this is for, you don't need it
780         i = COM_CheckParm("-gl_driver");
781         if (i && i < com_argc - 1)
782                 gldrivername = com_argv[i + 1];
783         if (!GL_OpenLibrary(gldrivername))
784         {
785                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
786                 return false;
787         }
788
789         memset(&gdevmode, 0, sizeof(gdevmode));
790
791         vid_isfullscreen = false;
792         if (fullscreen)
793         {
794                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
795                 gdevmode.dmBitsPerPel = bpp;
796                 gdevmode.dmPelsWidth = width;
797                 gdevmode.dmPelsHeight = height;
798                 gdevmode.dmDisplayFrequency = refreshrate;
799                 gdevmode.dmSize = sizeof (gdevmode);
800                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
801                 {
802                         VID_Shutdown();
803                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
804                         return false;
805                 }
806
807                 vid_isfullscreen = true;
808                 WindowStyle = WS_POPUP;
809                 ExWindowStyle = WS_EX_TOPMOST;
810         }
811         else
812         {
813                 hdc = GetDC (NULL);
814                 i = GetDeviceCaps(hdc, RASTERCAPS);
815                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
816                 ReleaseDC (NULL, hdc);
817                 if (i & RC_PALETTE)
818                 {
819                         VID_Shutdown();
820                         Con_Print("Can't run in non-RGB mode\n");
821                         return false;
822                 }
823                 if (bpp > depth)
824                 {
825                         VID_Shutdown();
826                         Con_Print("A higher desktop depth is required to run this video mode\n");
827                         return false;
828                 }
829
830                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
831                 ExWindowStyle = 0;
832         }
833
834         rect.top = 0;
835         rect.left = 0;
836         rect.right = width;
837         rect.bottom = height;
838         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
839
840         if (fullscreen)
841         {
842                 CenterX = 0;
843                 CenterY = 0;
844         }
845         else
846         {
847                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
848                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
849         }
850         CenterX = max(0, CenterX);
851         CenterY = max(0, CenterY);
852
853         // x and y may be changed by WM_MOVE messages
854         window_x = CenterX;
855         window_y = CenterY;
856         rect.left += CenterX;
857         rect.right += CenterX;
858         rect.top += CenterY;
859         rect.bottom += CenterY;
860
861         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
862         if (!mainwindow)
863         {
864                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
865                 VID_Shutdown();
866                 return false;
867         }
868
869         /*
870         if (!fullscreen)
871                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
872         */
873
874         ShowWindow (mainwindow, SW_SHOWDEFAULT);
875         UpdateWindow (mainwindow);
876
877         // now we try to make sure we get the focus on the mode switch, because
878         // sometimes in some systems we don't.  We grab the foreground, then
879         // finish setting up, pump all our messages, and sleep for a little while
880         // to let messages finish bouncing around the system, then we put
881         // ourselves at the top of the z order, then grab the foreground again,
882         // Who knows if it helps, but it probably doesn't hurt
883         SetForegroundWindow (mainwindow);
884
885         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
886         {
887                 TranslateMessage (&msg);
888                 DispatchMessage (&msg);
889         }
890
891         Sleep (100);
892
893         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
894
895         SetForegroundWindow (mainwindow);
896
897         // fix the leftover Alt from any Alt-Tab or the like that switched us away
898         ClearAllStates ();
899
900         baseDC = GetDC(mainwindow);
901
902         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
903         {
904                 VID_Shutdown();
905                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
906                 return false;
907         }
908
909         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
910         {
911                 VID_Shutdown();
912                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
913                 return false;
914         }
915
916         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
917         {
918                 VID_Shutdown();
919                 Con_Print("wgl functions not found\n");
920                 return false;
921         }
922
923         baseRC = qwglCreateContext(baseDC);
924         if (!baseRC)
925         {
926                 VID_Shutdown();
927                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
928                 return false;
929         }
930         if (!qwglMakeCurrent(baseDC, baseRC))
931         {
932                 VID_Shutdown();
933                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
934                 return false;
935         }
936
937         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
938         {
939                 VID_Shutdown();
940                 Con_Print("glGetString not found\n");
941                 return false;
942         }
943         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
944                 Con_Print("wglGetExtensionsStringARB not found\n");
945         gl_renderer = qglGetString(GL_RENDERER);
946         gl_vendor = qglGetString(GL_VENDOR);
947         gl_version = qglGetString(GL_VERSION);
948         gl_extensions = qglGetString(GL_EXTENSIONS);
949         gl_platform = "WGL";
950         gl_platformextensions = "";
951
952         gl_videosyncavailable = false;
953
954         if (qwglGetExtensionsStringARB)
955                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
956
957 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
958         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
959         //ReleaseDC(mainwindow, hdc);
960
961         GL_Init ();
962
963         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
964         if (strncasecmp(gl_vendor,"ATI",3)==0)
965         {
966                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
967                         isRagePro = true;
968         }
969         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
970                 isG200 = true;
971
972         //vid_menudrawfn = VID_MenuDraw;
973         //vid_menukeyfn = VID_MenuKey;
974         vid_usingmouse = false;
975         vid_usingvsync = false;
976         vid_hidden = false;
977         vid_initialized = true;
978
979         IN_StartupMouse ();
980         IN_StartupJoystick ();
981
982         if (gl_videosyncavailable)
983         {
984                 vid_usevsync = vid_vsync.integer;
985                 vid_usingvsync = vid_vsync.integer;
986                 qwglSwapIntervalEXT (vid_usevsync);
987         }
988
989         return true;
990 }
991
992 static void IN_Shutdown(void);
993 void VID_Shutdown (void)
994 {
995         if(vid_initialized == false)
996                 return;
997
998         VID_RestoreSystemGamma();
999
1000         vid_initialized = false;
1001         IN_Shutdown();
1002         if (qwglMakeCurrent)
1003                 qwglMakeCurrent(NULL, NULL);
1004         if (baseRC && qwglDeleteContext)
1005                 qwglDeleteContext(baseRC);
1006         // close the library before we get rid of the window
1007         GL_CloseLibrary();
1008         if (baseDC && mainwindow)
1009                 ReleaseDC(mainwindow, baseDC);
1010         AppActivate(false, false);
1011         if (mainwindow)
1012                 DestroyWindow(mainwindow);
1013         mainwindow = 0;
1014         if (vid_isfullscreen)
1015                 ChangeDisplaySettings (NULL, 0);
1016         vid_isfullscreen = false;
1017 }
1018
1019 static void IN_Activate (qboolean grab)
1020 {
1021         if (!mouseinitialized)
1022                 return;
1023
1024         if (grab)
1025         {
1026                 if (!vid_usingmouse)
1027                 {
1028                         vid_usingmouse = true;
1029                         cl_ignoremousemove = true;
1030                         if (dinput && g_pMouse)
1031                         {
1032                                 IDirectInputDevice_Acquire(g_pMouse);
1033                                 dinput_acquired = true;
1034                         }
1035                         else
1036                         {
1037                                 RECT window_rect;
1038                                 window_rect.left = window_x;
1039                                 window_rect.top = window_y;
1040                                 window_rect.right = window_x + vid.width;
1041                                 window_rect.bottom = window_y + vid.height;
1042                                 if (mouseparmsvalid)
1043                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1044                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1045                                 SetCapture (mainwindow);
1046                                 ClipCursor (&window_rect);
1047                         }
1048                         ShowCursor (false);
1049                 }
1050         }
1051         else
1052         {
1053                 if (vid_usingmouse)
1054                 {
1055                         vid_usingmouse = false;
1056                         cl_ignoremousemove = true;
1057                         if (dinput_acquired)
1058                         {
1059                                 IDirectInputDevice_Unacquire(g_pMouse);
1060                                 dinput_acquired = false;
1061                         }
1062                         else
1063                         {
1064                                 if (restore_spi)
1065                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1066                                 ClipCursor (NULL);
1067                                 ReleaseCapture ();
1068                         }
1069                         ShowCursor (true);
1070                 }
1071         }
1072 }
1073
1074
1075 /*
1076 ===========
1077 IN_InitDInput
1078 ===========
1079 */
1080 static qboolean IN_InitDInput (void)
1081 {
1082     HRESULT             hr;
1083         DIPROPDWORD     dipdw = {
1084                 {
1085                         sizeof(DIPROPDWORD),        // diph.dwSize
1086                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1087                         0,                          // diph.dwObj
1088                         DIPH_DEVICE,                // diph.dwHow
1089                 },
1090                 DINPUT_BUFFERSIZE,              // dwData
1091         };
1092
1093         if (!hInstDI)
1094         {
1095                 hInstDI = LoadLibrary("dinput.dll");
1096
1097                 if (hInstDI == NULL)
1098                 {
1099                         Con_Print("Couldn't load dinput.dll\n");
1100                         return false;
1101                 }
1102         }
1103
1104         if (!pDirectInputCreate)
1105         {
1106                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1107
1108                 if (!pDirectInputCreate)
1109                 {
1110                         Con_Print("Couldn't get DI proc addr\n");
1111                         return false;
1112                 }
1113         }
1114
1115 // register with DirectInput and get an IDirectInput to play with.
1116         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1117
1118         if (FAILED(hr))
1119         {
1120                 return false;
1121         }
1122
1123 // obtain an interface to the system mouse device.
1124         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1125
1126         if (FAILED(hr))
1127         {
1128                 Con_Print("Couldn't open DI mouse device\n");
1129                 return false;
1130         }
1131
1132 // set the data format to "mouse format".
1133         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1134
1135         if (FAILED(hr))
1136         {
1137                 Con_Print("Couldn't set DI mouse format\n");
1138                 return false;
1139         }
1140
1141 // set the cooperativity level.
1142         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1143                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1144
1145         if (FAILED(hr))
1146         {
1147                 Con_Print("Couldn't set DI coop level\n");
1148                 return false;
1149         }
1150
1151
1152 // set the buffer size to DINPUT_BUFFERSIZE elements.
1153 // the buffer size is a DWORD property associated with the device
1154         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1155
1156         if (FAILED(hr))
1157         {
1158                 Con_Print("Couldn't set DI buffersize\n");
1159                 return false;
1160         }
1161
1162         return true;
1163 }
1164
1165
1166 /*
1167 ===========
1168 IN_StartupMouse
1169 ===========
1170 */
1171 static void IN_StartupMouse (void)
1172 {
1173         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1174                 return;
1175
1176         mouseinitialized = true;
1177
1178 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1179         if (COM_CheckParm ("-dinput"))
1180                 dinput = IN_InitDInput ();
1181
1182         if (dinput)
1183                 Con_Print("DirectInput initialized\n");
1184         else
1185                 Con_Print("DirectInput not initialized\n");
1186
1187         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1188
1189         if (mouseparmsvalid)
1190         {
1191 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1192                 if ( COM_CheckParm ("-noforcemspd") )
1193                         newmouseparms[2] = originalmouseparms[2];
1194
1195 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1196                 if ( COM_CheckParm ("-noforcemaccel") )
1197                 {
1198                         newmouseparms[0] = originalmouseparms[0];
1199                         newmouseparms[1] = originalmouseparms[1];
1200                 }
1201
1202 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1203                 if ( COM_CheckParm ("-noforcemparms") )
1204                 {
1205                         newmouseparms[0] = originalmouseparms[0];
1206                         newmouseparms[1] = originalmouseparms[1];
1207                         newmouseparms[2] = originalmouseparms[2];
1208                 }
1209         }
1210
1211         mouse_buttons = 10;
1212 }
1213
1214
1215 /*
1216 ===========
1217 IN_MouseMove
1218 ===========
1219 */
1220 static void IN_MouseMove (void)
1221 {
1222         int i, mx, my;
1223         POINT current_pos;
1224
1225         if (!vid_usingmouse)
1226         {
1227                 //GetCursorPos (&current_pos);
1228                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1229                 return;
1230         }
1231
1232         if (dinput_acquired)
1233         {
1234                 DIDEVICEOBJECTDATA      od;
1235                 DWORD                           dwElements;
1236                 HRESULT                         hr;
1237                 mx = 0;
1238                 my = 0;
1239
1240                 for (;;)
1241                 {
1242                         dwElements = 1;
1243
1244                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1245                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1246
1247                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1248                         {
1249                                 IDirectInputDevice_Acquire(g_pMouse);
1250                                 break;
1251                         }
1252
1253                         /* Unable to read data or no data available */
1254                         if (FAILED(hr) || dwElements == 0)
1255                                 break;
1256
1257                         /* Look at the element to see what happened */
1258
1259                         switch (od.dwOfs)
1260                         {
1261                                 case DIMOFS_X:
1262                                         mx += od.dwData;
1263                                         break;
1264
1265                                 case DIMOFS_Y:
1266                                         my += od.dwData;
1267                                         break;
1268
1269                                 case DIMOFS_BUTTON0:
1270                                         if (od.dwData & 0x80)
1271                                                 mstate_di |= 1;
1272                                         else
1273                                                 mstate_di &= ~1;
1274                                         break;
1275
1276                                 case DIMOFS_BUTTON1:
1277                                         if (od.dwData & 0x80)
1278                                                 mstate_di |= (1<<1);
1279                                         else
1280                                                 mstate_di &= ~(1<<1);
1281                                         break;
1282
1283                                 case DIMOFS_BUTTON2:
1284                                         if (od.dwData & 0x80)
1285                                                 mstate_di |= (1<<2);
1286                                         else
1287                                                 mstate_di &= ~(1<<2);
1288                                         break;
1289                         }
1290                 }
1291
1292                 // perform button actions
1293                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1294                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1295                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1296                 mouse_oldbuttonstate = mstate_di;
1297
1298                 in_mouse_x = mx;
1299                 in_mouse_y = my;
1300         }
1301         else
1302         {
1303                 GetCursorPos (&current_pos);
1304                 mx = current_pos.x - (window_x + vid.width / 2);
1305                 my = current_pos.y - (window_y + vid.height / 2);
1306
1307                 in_mouse_x = mx;
1308                 in_mouse_y = my;
1309
1310                 // if the mouse has moved, force it to the center, so there's room to move
1311                 if (!cl.csqc_wantsmousemove)
1312                 if (mx || my)
1313                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1314         }
1315 }
1316
1317
1318 /*
1319 ===========
1320 IN_Move
1321 ===========
1322 */
1323 void IN_Move (void)
1324 {
1325         if (vid_activewindow && !vid_hidden)
1326         {
1327                 IN_MouseMove ();
1328                 IN_JoyMove ();
1329         }
1330 }
1331
1332
1333 /*
1334 ===============
1335 IN_StartupJoystick
1336 ===============
1337 */
1338 static void IN_StartupJoystick (void)
1339 {
1340         int                     numdevs;
1341         JOYCAPS         jc;
1342         MMRESULT        mmr;
1343         mmr = 0;
1344
1345         // assume no joystick
1346         joy_avail = false;
1347
1348         // abort startup if user requests no joystick
1349 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1350         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1351                 return;
1352
1353         // verify joystick driver is present
1354         if ((numdevs = joyGetNumDevs ()) == 0)
1355         {
1356                 Con_Print("\njoystick not found -- driver not present\n\n");
1357                 return;
1358         }
1359
1360         // cycle through the joystick ids for the first valid one
1361         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1362         {
1363                 memset (&ji, 0, sizeof(ji));
1364                 ji.dwSize = sizeof(ji);
1365                 ji.dwFlags = JOY_RETURNCENTERED;
1366
1367                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1368                         break;
1369         }
1370
1371         // abort startup if we didn't find a valid joystick
1372         if (mmr != JOYERR_NOERROR)
1373         {
1374                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1375                 return;
1376         }
1377
1378         // get the capabilities of the selected joystick
1379         // abort startup if command fails
1380         memset (&jc, 0, sizeof(jc));
1381         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1382         {
1383                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1384                 return;
1385         }
1386
1387         // save the joystick's number of buttons and POV status
1388         joy_numbuttons = jc.wNumButtons;
1389         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1390
1391         // old button and POV states default to no buttons pressed
1392         joy_oldbuttonstate = joy_oldpovstate = 0;
1393
1394         // mark the joystick as available and advanced initialization not completed
1395         // this is needed as cvars are not available during initialization
1396
1397         joy_avail = true;
1398         joy_advancedinit = false;
1399
1400         Con_Print("\njoystick detected\n\n");
1401 }
1402
1403
1404 /*
1405 ===========
1406 RawValuePointer
1407 ===========
1408 */
1409 static PDWORD RawValuePointer (int axis)
1410 {
1411         switch (axis)
1412         {
1413         case JOY_AXIS_X:
1414                 return &ji.dwXpos;
1415         case JOY_AXIS_Y:
1416                 return &ji.dwYpos;
1417         case JOY_AXIS_Z:
1418                 return &ji.dwZpos;
1419         case JOY_AXIS_R:
1420                 return &ji.dwRpos;
1421         case JOY_AXIS_U:
1422                 return &ji.dwUpos;
1423         case JOY_AXIS_V:
1424                 return &ji.dwVpos;
1425         }
1426         return NULL; // LordHavoc: hush compiler warning
1427 }
1428
1429
1430 /*
1431 ===========
1432 Joy_AdvancedUpdate_f
1433 ===========
1434 */
1435 static void Joy_AdvancedUpdate_f (void)
1436 {
1437
1438         // called once by IN_ReadJoystick and by user whenever an update is needed
1439         // cvars are now available
1440         int     i;
1441         DWORD dwTemp;
1442
1443         // initialize all the maps
1444         for (i = 0; i < JOY_MAX_AXES; i++)
1445         {
1446                 dwAxisMap[i] = AxisNada;
1447                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1448                 pdwRawValue[i] = RawValuePointer(i);
1449         }
1450
1451         if( joy_advanced.integer == 0)
1452         {
1453                 // default joystick initialization
1454                 // 2 axes only with joystick control
1455                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1456                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1457                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1458                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1459         }
1460         else
1461         {
1462                 if (strcmp (joy_name.string, "joystick") != 0)
1463                 {
1464                         // notify user of advanced controller
1465                         Con_Printf("\n%s configured\n\n", joy_name.string);
1466                 }
1467
1468                 // advanced initialization here
1469                 // data supplied by user via joy_axisn cvars
1470                 dwTemp = (DWORD) joy_advaxisx.value;
1471                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1472                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1473                 dwTemp = (DWORD) joy_advaxisy.value;
1474                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1475                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1476                 dwTemp = (DWORD) joy_advaxisz.value;
1477                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1478                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1479                 dwTemp = (DWORD) joy_advaxisr.value;
1480                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1481                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1482                 dwTemp = (DWORD) joy_advaxisu.value;
1483                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1484                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1485                 dwTemp = (DWORD) joy_advaxisv.value;
1486                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1487                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1488         }
1489
1490         // compute the axes to collect from DirectInput
1491         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1492         for (i = 0; i < JOY_MAX_AXES; i++)
1493         {
1494                 if (dwAxisMap[i] != AxisNada)
1495                 {
1496                         joy_flags |= dwAxisFlags[i];
1497                 }
1498         }
1499 }
1500
1501 /*
1502 ===============
1503 IN_ReadJoystick
1504 ===============
1505 */
1506 static qboolean IN_ReadJoystick (void)
1507 {
1508
1509         memset (&ji, 0, sizeof(ji));
1510         ji.dwSize = sizeof(ji);
1511         ji.dwFlags = joy_flags;
1512
1513         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1514         {
1515                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1516                 // rather than having 32768 be the zero point, they have the zero point at 32668
1517                 // go figure -- anyway, now we get the full resolution out of the device
1518                 if (joy_wwhack1.integer != 0.0)
1519                 {
1520                         ji.dwUpos += 100;
1521                 }
1522                 return true;
1523         }
1524         else
1525         {
1526                 // read error occurred
1527                 // turning off the joystick seems too harsh for 1 read error,
1528                 // but what should be done?
1529                 return false;
1530         }
1531 }
1532
1533
1534 /*
1535 ===========
1536 IN_JoyMove
1537 ===========
1538 */
1539 static void IN_JoyMove (void)
1540 {
1541         float   speed, aspeed;
1542         float   fAxisValue, fTemp;
1543         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1544
1545         // complete initialization if first time in
1546         // this is needed as cvars are not available at initialization time
1547         if( joy_advancedinit != true )
1548         {
1549                 Joy_AdvancedUpdate_f();
1550                 joy_advancedinit = true;
1551         }
1552
1553         if (joy_avail)
1554         {
1555                 int             i, key_index;
1556                 DWORD   buttonstate, povstate;
1557
1558                 // loop through the joystick buttons
1559                 // key a joystick event or auxillary event for higher number buttons for each state change
1560                 buttonstate = ji.dwButtons;
1561                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1562                 {
1563                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1564                         {
1565                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1566                                 Key_Event (key_index + i, 0, true);
1567                         }
1568
1569                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1570                         {
1571                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1572                                 Key_Event (key_index + i, 0, false);
1573                         }
1574                 }
1575                 joy_oldbuttonstate = buttonstate;
1576
1577                 if (joy_haspov)
1578                 {
1579                         // convert POV information into 4 bits of state information
1580                         // this avoids any potential problems related to moving from one
1581                         // direction to another without going through the center position
1582                         povstate = 0;
1583                         if(ji.dwPOV != JOY_POVCENTERED)
1584                         {
1585                                 if (ji.dwPOV == JOY_POVFORWARD)
1586                                         povstate |= 0x01;
1587                                 if (ji.dwPOV == JOY_POVRIGHT)
1588                                         povstate |= 0x02;
1589                                 if (ji.dwPOV == JOY_POVBACKWARD)
1590                                         povstate |= 0x04;
1591                                 if (ji.dwPOV == JOY_POVLEFT)
1592                                         povstate |= 0x08;
1593                         }
1594                         // determine which bits have changed and key an auxillary event for each change
1595                         for (i=0 ; i < 4 ; i++)
1596                         {
1597                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1598                                 {
1599                                         Key_Event (K_AUX29 + i, 0, true);
1600                                 }
1601
1602                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1603                                 {
1604                                         Key_Event (K_AUX29 + i, 0, false);
1605                                 }
1606                         }
1607                         joy_oldpovstate = povstate;
1608                 }
1609         }
1610
1611         // verify joystick is available and that the user wants to use it
1612         if (!joy_avail || !in_joystick.integer)
1613         {
1614                 return;
1615         }
1616
1617         // collect the joystick data, if possible
1618         if (IN_ReadJoystick () != true)
1619         {
1620                 return;
1621         }
1622
1623         if (in_speed.state & 1)
1624                 speed = cl_movespeedkey.value;
1625         else
1626                 speed = 1;
1627         // LordHavoc: viewzoom affects sensitivity for sniping
1628         aspeed = speed * cl.realframetime * cl.viewzoom;
1629
1630         // loop through the axes
1631         for (i = 0; i < JOY_MAX_AXES; i++)
1632         {
1633                 // get the floating point zero-centered, potentially-inverted data for the current axis
1634                 fAxisValue = (float) *pdwRawValue[i];
1635                 // move centerpoint to zero
1636                 fAxisValue -= 32768.0;
1637
1638                 if (joy_wwhack2.integer != 0.0)
1639                 {
1640                         if (dwAxisMap[i] == AxisTurn)
1641                         {
1642                                 // this is a special formula for the Logitech WingMan Warrior
1643                                 // y=ax^b; where a = 300 and b = 1.3
1644                                 // also x values are in increments of 800 (so this is factored out)
1645                                 // then bounds check result to level out excessively high spin rates
1646                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1647                                 if (fTemp > 14000.0)
1648                                         fTemp = 14000.0;
1649                                 // restore direction information
1650                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1651                         }
1652                 }
1653
1654                 // convert range from -32768..32767 to -1..1
1655                 fAxisValue /= 32768.0;
1656
1657                 switch (dwAxisMap[i])
1658                 {
1659                 case AxisForward:
1660                         if ((joy_advanced.integer == 0) && mouselook)
1661                         {
1662                                 // user wants forward control to become look control
1663                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1664                                 {
1665                                         // if mouse invert is on, invert the joystick pitch value
1666                                         // only absolute control support here (joy_advanced is false)
1667                                         if (m_pitch.value < 0.0)
1668                                         {
1669                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1670                                         }
1671                                         else
1672                                         {
1673                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1674                                         }
1675                                         V_StopPitchDrift();
1676                                 }
1677                                 else
1678                                 {
1679                                         // no pitch movement
1680                                         // disable pitch return-to-center unless requested by user
1681                                         // *** this code can be removed when the lookspring bug is fixed
1682                                         // *** the bug always has the lookspring feature on
1683                                         if(lookspring.value == 0.0)
1684                                                 V_StopPitchDrift();
1685                                 }
1686                         }
1687                         else
1688                         {
1689                                 // user wants forward control to be forward control
1690                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1691                                 {
1692                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1693                                 }
1694                         }
1695                         break;
1696
1697                 case AxisSide:
1698                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1699                         {
1700                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1701                         }
1702                         break;
1703
1704                 case AxisTurn:
1705                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1706                         {
1707                                 // user wants turn control to become side control
1708                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1709                                 {
1710                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1711                                 }
1712                         }
1713                         else
1714                         {
1715                                 // user wants turn control to be turn control
1716                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1717                                 {
1718                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1719                                         {
1720                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1721                                         }
1722                                         else
1723                                         {
1724                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1725                                         }
1726
1727                                 }
1728                         }
1729                         break;
1730
1731                 case AxisLook:
1732                         if (mouselook)
1733                         {
1734                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1735                                 {
1736                                         // pitch movement detected and pitch movement desired by user
1737                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1738                                         {
1739                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1740                                         }
1741                                         else
1742                                         {
1743                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1744                                         }
1745                                         V_StopPitchDrift();
1746                                 }
1747                                 else
1748                                 {
1749                                         // no pitch movement
1750                                         // disable pitch return-to-center unless requested by user
1751                                         // *** this code can be removed when the lookspring bug is fixed
1752                                         // *** the bug always has the lookspring feature on
1753                                         if(lookspring.integer == 0)
1754                                                 V_StopPitchDrift();
1755                                 }
1756                         }
1757                         break;
1758
1759                 default:
1760                         break;
1761                 }
1762         }
1763 }
1764
1765 static void IN_Init(void)
1766 {
1767         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1768
1769         // joystick variables
1770         Cvar_RegisterVariable (&in_joystick);
1771         Cvar_RegisterVariable (&joy_name);
1772         Cvar_RegisterVariable (&joy_advanced);
1773         Cvar_RegisterVariable (&joy_advaxisx);
1774         Cvar_RegisterVariable (&joy_advaxisy);
1775         Cvar_RegisterVariable (&joy_advaxisz);
1776         Cvar_RegisterVariable (&joy_advaxisr);
1777         Cvar_RegisterVariable (&joy_advaxisu);
1778         Cvar_RegisterVariable (&joy_advaxisv);
1779         Cvar_RegisterVariable (&joy_forwardthreshold);
1780         Cvar_RegisterVariable (&joy_sidethreshold);
1781         Cvar_RegisterVariable (&joy_pitchthreshold);
1782         Cvar_RegisterVariable (&joy_yawthreshold);
1783         Cvar_RegisterVariable (&joy_forwardsensitivity);
1784         Cvar_RegisterVariable (&joy_sidesensitivity);
1785         Cvar_RegisterVariable (&joy_pitchsensitivity);
1786         Cvar_RegisterVariable (&joy_yawsensitivity);
1787         Cvar_RegisterVariable (&joy_wwhack1);
1788         Cvar_RegisterVariable (&joy_wwhack2);
1789         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1790 }
1791
1792 static void IN_Shutdown(void)
1793 {
1794         IN_Activate (false);
1795
1796         if (g_pMouse)
1797                 IDirectInputDevice_Release(g_pMouse);
1798         g_pMouse = NULL;
1799
1800         if (g_pdi)
1801                 IDirectInput_Release(g_pdi);
1802         g_pdi = NULL;
1803 }