made K_MOUSE4/5 keys separate from K_MWHEELUP/DOWN keys
[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 unsigned char 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 static keynum_t buttonremap[16] =
473 {
474         K_MOUSE1,
475         K_MOUSE2,
476         K_MOUSE3,
477         K_MOUSE4,
478         K_MOUSE5,
479         K_MOUSE6,
480         K_MOUSE7,
481         K_MOUSE8,
482         K_MOUSE9,
483         K_MOUSE10,
484         K_MOUSE11,
485         K_MOUSE12,
486         K_MOUSE13,
487         K_MOUSE14,
488         K_MOUSE15,
489         K_MOUSE16,
490 };
491
492 /* main window procedure */
493 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
494 {
495         LONG    lRet = 1;
496         int             fActive, fMinimized, temp;
497         char    state[256];
498         char    asciichar[4];
499         int             vkey;
500         int             charlength;
501         qboolean down = false;
502
503         if ( uMsg == uiWheelMessage )
504                 uMsg = WM_MOUSEWHEEL;
505
506         switch (uMsg)
507         {
508                 case WM_KILLFOCUS:
509                         if (vid_isfullscreen)
510                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
511                         break;
512
513                 case WM_CREATE:
514                         break;
515
516                 case WM_MOVE:
517                         window_x = (int) LOWORD(lParam);
518                         window_y = (int) HIWORD(lParam);
519                         IN_Activate(false);
520                         break;
521
522                 case WM_KEYDOWN:
523                 case WM_SYSKEYDOWN:
524                         down = true;
525                 case WM_KEYUP:
526                 case WM_SYSKEYUP:
527                         vkey = MapKey(lParam, wParam);
528                         GetKeyboardState (state);
529                         // alt/ctrl/shift tend to produce funky ToAscii values,
530                         // and if it's not a single character we don't know care about it
531                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
532                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
533                                 asciichar[0] = 0;
534                         else if( charlength == 2 ) {
535                                 asciichar[0] = asciichar[1];
536                         }
537                         Key_Event (vkey, asciichar[0], down);
538                         break;
539
540                 case WM_SYSCHAR:
541                 // keep Alt-Space from happening
542                         break;
543
544         // this is complicated because Win32 seems to pack multiple mouse events into
545         // one update sometimes, so we always check all states and look for events
546                 case WM_LBUTTONDOWN:
547                 case WM_LBUTTONUP:
548                 case WM_RBUTTONDOWN:
549                 case WM_RBUTTONUP:
550                 case WM_MBUTTONDOWN:
551                 case WM_MBUTTONUP:
552                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
553                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
554                 case WM_MOUSEMOVE:
555                         temp = 0;
556
557                         if (wParam & MK_LBUTTON)
558                                 temp |= 1;
559
560                         if (wParam & MK_RBUTTON)
561                                 temp |= 2;
562
563                         if (wParam & MK_MBUTTON)
564                                 temp |= 4;
565
566                         /* backslash :: imouse explorer buttons */
567                         if (wParam & MK_XBUTTON1)
568                                 temp |= 8;
569
570                         if (wParam & MK_XBUTTON2)
571                                 temp |= 16;
572                         /* :: backslash */
573
574                         // LordHavoc: lets hope this allows more buttons in the future...
575                         if (wParam & MK_XBUTTON3)
576                                 temp |= 32;
577                         if (wParam & MK_XBUTTON4)
578                                 temp |= 64;
579                         if (wParam & MK_XBUTTON5)
580                                 temp |= 128;
581                         if (wParam & MK_XBUTTON6)
582                                 temp |= 256;
583                         if (wParam & MK_XBUTTON7)
584                                 temp |= 512;
585
586                         if (vid_usingmouse && !dinput_acquired)
587                         {
588                                 // perform button actions
589                                 int i;
590                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
591                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
592                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
593                                 mouse_oldbuttonstate = temp;
594                         }
595
596                         break;
597
598                 // JACK: This is the mouse wheel with the Intellimouse
599                 // Its delta is either positive or neg, and we generate the proper
600                 // Event.
601                 case WM_MOUSEWHEEL:
602                         if ((short) HIWORD(wParam) > 0) {
603                                 Key_Event(K_MWHEELUP, 0, true);
604                                 Key_Event(K_MWHEELUP, 0, false);
605                         } else {
606                                 Key_Event(K_MWHEELDOWN, 0, true);
607                                 Key_Event(K_MWHEELDOWN, 0, false);
608                         }
609                         break;
610
611                 case WM_SIZE:
612                         break;
613
614                 case WM_CLOSE:
615                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
616                                 Sys_Quit ();
617
618                         break;
619
620                 case WM_ACTIVATE:
621                         fActive = LOWORD(wParam);
622                         fMinimized = (BOOL) HIWORD(wParam);
623                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
624
625                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
626                         ClearAllStates ();
627
628                         break;
629
630                 //case WM_DESTROY:
631                 //      PostQuitMessage (0);
632                 //      break;
633
634                 case MM_MCINOTIFY:
635                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
636                         break;
637
638                 default:
639                         /* pass all unhandled messages to DefWindowProc */
640                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
641                 break;
642         }
643
644         /* return 1 if handled message, 0 if not */
645         return lRet;
646 }
647
648 int VID_SetGamma(unsigned short *ramps)
649 {
650         HDC hdc = GetDC (NULL);
651         int i = SetDeviceGammaRamp(hdc, ramps);
652         ReleaseDC (NULL, hdc);
653         return i; // return success or failure
654 }
655
656 int VID_GetGamma(unsigned short *ramps)
657 {
658         HDC hdc = GetDC (NULL);
659         int i = GetDeviceGammaRamp(hdc, ramps);
660         ReleaseDC (NULL, hdc);
661         return i; // return success or failure
662 }
663
664 static HINSTANCE gldll;
665
666 static void GL_CloseLibrary(void)
667 {
668         FreeLibrary(gldll);
669         gldll = 0;
670         gl_driver[0] = 0;
671         qwglGetProcAddress = NULL;
672         gl_extensions = "";
673         gl_platform = "";
674         gl_platformextensions = "";
675 }
676
677 static int GL_OpenLibrary(const char *name)
678 {
679         Con_Printf("Loading OpenGL driver %s\n", name);
680         GL_CloseLibrary();
681         if (!(gldll = LoadLibrary(name)))
682         {
683                 Con_Printf("Unable to LoadLibrary %s\n", name);
684                 return false;
685         }
686         strcpy(gl_driver, name);
687         return true;
688 }
689
690 void *GL_GetProcAddress(const char *name)
691 {
692         void *p = NULL;
693         if (qwglGetProcAddress != NULL)
694                 p = (void *) qwglGetProcAddress(name);
695         if (p == NULL)
696                 p = (void *) GetProcAddress(gldll, name);
697         return p;
698 }
699
700 static void IN_Init(void);
701 void VID_Init(void)
702 {
703         WNDCLASS wc;
704
705         InitCommonControls();
706         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
707
708         // Register the frame class
709         wc.style         = 0;
710         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
711         wc.cbClsExtra    = 0;
712         wc.cbWndExtra    = 0;
713         wc.hInstance     = global_hInstance;
714         wc.hIcon         = hIcon;
715         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
716         wc.hbrBackground = NULL;
717         wc.lpszMenuName  = 0;
718         wc.lpszClassName = "DarkPlacesWindowClass";
719
720         if (!RegisterClass (&wc))
721                 Con_Printf ("Couldn't register window class\n");
722
723         IN_Init();
724 }
725
726 int VID_InitMode (int fullscreen, int width, int height, int bpp)
727 {
728         int i;
729         HDC hdc;
730         RECT rect;
731         MSG msg;
732         PIXELFORMATDESCRIPTOR pfd =
733         {
734                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
735                 1,                              // version number
736                 PFD_DRAW_TO_WINDOW              // support window
737                 |  PFD_SUPPORT_OPENGL   // support OpenGL
738                 |  PFD_DOUBLEBUFFER ,   // double buffered
739                 PFD_TYPE_RGBA,                  // RGBA type
740                 24,                             // 24-bit color depth
741                 0, 0, 0, 0, 0, 0,               // color bits ignored
742                 0,                              // no alpha buffer
743                 0,                              // shift bit ignored
744                 0,                              // no accumulation buffer
745                 0, 0, 0, 0,                     // accum bits ignored
746                 32,                             // 32-bit z-buffer
747                 0,                              // no stencil buffer
748                 0,                              // no auxiliary buffer
749                 PFD_MAIN_PLANE,                 // main layer
750                 0,                              // reserved
751                 0, 0, 0                         // layer masks ignored
752         };
753         int pixelformat;
754         DWORD WindowStyle, ExWindowStyle;
755         int CenterX, CenterY;
756         const char *gldrivername;
757         int depth;
758
759         if (vid_initialized)
760                 Sys_Error("VID_InitMode called when video is already initialised");
761
762         // if stencil is enabled, ask for alpha too
763         if (bpp >= 32)
764         {
765                 pfd.cStencilBits = 8;
766                 pfd.cAlphaBits = 8;
767         }
768         else
769         {
770                 pfd.cStencilBits = 0;
771                 pfd.cAlphaBits = 0;
772         }
773
774         gldrivername = "opengl32.dll";
775 // 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
776         i = COM_CheckParm("-gl_driver");
777         if (i && i < com_argc - 1)
778                 gldrivername = com_argv[i + 1];
779         if (!GL_OpenLibrary(gldrivername))
780         {
781                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
782                 return false;
783         }
784
785         memset(&gdevmode, 0, sizeof(gdevmode));
786
787         vid_isfullscreen = false;
788         if (fullscreen)
789         {
790                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
791                 gdevmode.dmBitsPerPel = bpp;
792                 gdevmode.dmPelsWidth = width;
793                 gdevmode.dmPelsHeight = height;
794                 gdevmode.dmSize = sizeof (gdevmode);
795                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
796                 {
797                         VID_Shutdown();
798                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
799                         return false;
800                 }
801
802                 vid_isfullscreen = true;
803                 WindowStyle = WS_POPUP;
804                 ExWindowStyle = WS_EX_TOPMOST;
805         }
806         else
807         {
808                 hdc = GetDC (NULL);
809                 i = GetDeviceCaps(hdc, RASTERCAPS);
810                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
811                 ReleaseDC (NULL, hdc);
812                 if (i & RC_PALETTE)
813                 {
814                         VID_Shutdown();
815                         Con_Print("Can't run in non-RGB mode\n");
816                         return false;
817                 }
818                 if (bpp > depth)
819                 {
820                         VID_Shutdown();
821                         Con_Print("A higher desktop depth is required to run this video mode\n");
822                         return false;
823                 }
824
825                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
826                 ExWindowStyle = 0;
827         }
828
829         rect.top = 0;
830         rect.left = 0;
831         rect.right = width;
832         rect.bottom = height;
833         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
834
835         if (fullscreen)
836         {
837                 CenterX = 0;
838                 CenterY = 0;
839         }
840         else
841         {
842                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
843                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
844         }
845         CenterX = max(0, CenterX);
846         CenterY = max(0, CenterY);
847
848         // x and y may be changed by WM_MOVE messages
849         window_x = CenterX;
850         window_y = CenterY;
851         rect.left += CenterX;
852         rect.right += CenterX;
853         rect.top += CenterY;
854         rect.bottom += CenterY;
855
856         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
857         if (!mainwindow)
858         {
859                 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);
860                 VID_Shutdown();
861                 return false;
862         }
863
864         /*
865         if (!fullscreen)
866                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
867         */
868
869         ShowWindow (mainwindow, SW_SHOWDEFAULT);
870         UpdateWindow (mainwindow);
871
872         // now we try to make sure we get the focus on the mode switch, because
873         // sometimes in some systems we don't.  We grab the foreground, then
874         // finish setting up, pump all our messages, and sleep for a little while
875         // to let messages finish bouncing around the system, then we put
876         // ourselves at the top of the z order, then grab the foreground again,
877         // Who knows if it helps, but it probably doesn't hurt
878         SetForegroundWindow (mainwindow);
879
880         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
881         {
882                 TranslateMessage (&msg);
883                 DispatchMessage (&msg);
884         }
885
886         Sleep (100);
887
888         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
889
890         SetForegroundWindow (mainwindow);
891
892         // fix the leftover Alt from any Alt-Tab or the like that switched us away
893         ClearAllStates ();
894
895         baseDC = GetDC(mainwindow);
896
897         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
898         {
899                 VID_Shutdown();
900                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
901                 return false;
902         }
903
904         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
905         {
906                 VID_Shutdown();
907                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
908                 return false;
909         }
910
911         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
912         {
913                 VID_Shutdown();
914                 Con_Print("wgl functions not found\n");
915                 return false;
916         }
917
918         baseRC = qwglCreateContext(baseDC);
919         if (!baseRC)
920         {
921                 VID_Shutdown();
922                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
923                 return false;
924         }
925         if (!qwglMakeCurrent(baseDC, baseRC))
926         {
927                 VID_Shutdown();
928                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
929                 return false;
930         }
931
932         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
933         {
934                 VID_Shutdown();
935                 Con_Print("glGetString not found\n");
936                 return false;
937         }
938         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
939                 Con_Print("wglGetExtensionsStringARB not found\n");
940         gl_renderer = qglGetString(GL_RENDERER);
941         gl_vendor = qglGetString(GL_VENDOR);
942         gl_version = qglGetString(GL_VERSION);
943         gl_extensions = qglGetString(GL_EXTENSIONS);
944         gl_platform = "WGL";
945         gl_platformextensions = "";
946
947         gl_videosyncavailable = false;
948
949         if (qwglGetExtensionsStringARB)
950                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
951
952 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
953         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
954         //ReleaseDC(mainwindow, hdc);
955
956         GL_Init ();
957
958         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
959         if (strncasecmp(gl_vendor,"ATI",3)==0)
960         {
961                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
962                         isRagePro = true;
963         }
964         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
965                 isG200 = true;
966
967         //vid_menudrawfn = VID_MenuDraw;
968         //vid_menukeyfn = VID_MenuKey;
969         vid_usingmouse = false;
970         vid_usingvsync = false;
971         vid_hidden = false;
972         vid_initialized = true;
973
974         IN_StartupMouse ();
975         IN_StartupJoystick ();
976
977         if (gl_videosyncavailable)
978         {
979                 vid_usevsync = vid_vsync.integer;
980                 vid_usingvsync = vid_vsync.integer;
981                 qwglSwapIntervalEXT (vid_usevsync);
982         }
983
984         return true;
985 }
986
987 static void IN_Shutdown(void);
988 void VID_Shutdown (void)
989 {
990         if(vid_initialized == false)
991                 return;
992
993         VID_RestoreSystemGamma();
994
995         vid_initialized = false;
996         IN_Shutdown();
997         if (qwglMakeCurrent)
998                 qwglMakeCurrent(NULL, NULL);
999         if (baseRC && qwglDeleteContext)
1000                 qwglDeleteContext(baseRC);
1001         // close the library before we get rid of the window
1002         GL_CloseLibrary();
1003         if (baseDC && mainwindow)
1004                 ReleaseDC(mainwindow, baseDC);
1005         AppActivate(false, false);
1006         if (mainwindow)
1007                 DestroyWindow(mainwindow);
1008         mainwindow = 0;
1009         if (vid_isfullscreen)
1010                 ChangeDisplaySettings (NULL, 0);
1011         vid_isfullscreen = false;
1012 }
1013
1014 static void IN_Activate (qboolean grab)
1015 {
1016         if (!mouseinitialized)
1017                 return;
1018
1019         if (grab)
1020         {
1021                 if (!vid_usingmouse)
1022                 {
1023                         vid_usingmouse = true;
1024                         cl_ignoremousemove = true;
1025                         if (dinput && g_pMouse)
1026                         {
1027                                 IDirectInputDevice_Acquire(g_pMouse);
1028                                 dinput_acquired = true;
1029                         }
1030                         else
1031                         {
1032                                 RECT window_rect;
1033                                 window_rect.left = window_x;
1034                                 window_rect.top = window_y;
1035                                 window_rect.right = window_x + vid.width;
1036                                 window_rect.bottom = window_y + vid.height;
1037                                 if (mouseparmsvalid)
1038                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1039                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1040                                 SetCapture (mainwindow);
1041                                 ClipCursor (&window_rect);
1042                         }
1043                         ShowCursor (false);
1044                 }
1045         }
1046         else
1047         {
1048                 if (vid_usingmouse)
1049                 {
1050                         vid_usingmouse = false;
1051                         cl_ignoremousemove = true;
1052                         if (dinput_acquired)
1053                         {
1054                                 IDirectInputDevice_Unacquire(g_pMouse);
1055                                 dinput_acquired = false;
1056                         }
1057                         else
1058                         {
1059                                 if (restore_spi)
1060                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1061                                 ClipCursor (NULL);
1062                                 ReleaseCapture ();
1063                         }
1064                         ShowCursor (true);
1065                 }
1066         }
1067 }
1068
1069
1070 /*
1071 ===========
1072 IN_InitDInput
1073 ===========
1074 */
1075 static qboolean IN_InitDInput (void)
1076 {
1077     HRESULT             hr;
1078         DIPROPDWORD     dipdw = {
1079                 {
1080                         sizeof(DIPROPDWORD),        // diph.dwSize
1081                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1082                         0,                          // diph.dwObj
1083                         DIPH_DEVICE,                // diph.dwHow
1084                 },
1085                 DINPUT_BUFFERSIZE,              // dwData
1086         };
1087
1088         if (!hInstDI)
1089         {
1090                 hInstDI = LoadLibrary("dinput.dll");
1091
1092                 if (hInstDI == NULL)
1093                 {
1094                         Con_Print("Couldn't load dinput.dll\n");
1095                         return false;
1096                 }
1097         }
1098
1099         if (!pDirectInputCreate)
1100         {
1101                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1102
1103                 if (!pDirectInputCreate)
1104                 {
1105                         Con_Print("Couldn't get DI proc addr\n");
1106                         return false;
1107                 }
1108         }
1109
1110 // register with DirectInput and get an IDirectInput to play with.
1111         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1112
1113         if (FAILED(hr))
1114         {
1115                 return false;
1116         }
1117
1118 // obtain an interface to the system mouse device.
1119         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1120
1121         if (FAILED(hr))
1122         {
1123                 Con_Print("Couldn't open DI mouse device\n");
1124                 return false;
1125         }
1126
1127 // set the data format to "mouse format".
1128         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1129
1130         if (FAILED(hr))
1131         {
1132                 Con_Print("Couldn't set DI mouse format\n");
1133                 return false;
1134         }
1135
1136 // set the cooperativity level.
1137         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1138                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1139
1140         if (FAILED(hr))
1141         {
1142                 Con_Print("Couldn't set DI coop level\n");
1143                 return false;
1144         }
1145
1146
1147 // set the buffer size to DINPUT_BUFFERSIZE elements.
1148 // the buffer size is a DWORD property associated with the device
1149         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1150
1151         if (FAILED(hr))
1152         {
1153                 Con_Print("Couldn't set DI buffersize\n");
1154                 return false;
1155         }
1156
1157         return true;
1158 }
1159
1160
1161 /*
1162 ===========
1163 IN_StartupMouse
1164 ===========
1165 */
1166 static void IN_StartupMouse (void)
1167 {
1168         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1169                 return;
1170
1171         mouseinitialized = true;
1172
1173 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1174         if (COM_CheckParm ("-dinput"))
1175                 dinput = IN_InitDInput ();
1176
1177         if (dinput)
1178                 Con_Print("DirectInput initialized\n");
1179         else
1180                 Con_Print("DirectInput not initialized\n");
1181
1182         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1183
1184         if (mouseparmsvalid)
1185         {
1186 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1187                 if ( COM_CheckParm ("-noforcemspd") )
1188                         newmouseparms[2] = originalmouseparms[2];
1189
1190 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1191                 if ( COM_CheckParm ("-noforcemaccel") )
1192                 {
1193                         newmouseparms[0] = originalmouseparms[0];
1194                         newmouseparms[1] = originalmouseparms[1];
1195                 }
1196
1197 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1198                 if ( COM_CheckParm ("-noforcemparms") )
1199                 {
1200                         newmouseparms[0] = originalmouseparms[0];
1201                         newmouseparms[1] = originalmouseparms[1];
1202                         newmouseparms[2] = originalmouseparms[2];
1203                 }
1204         }
1205
1206         mouse_buttons = 10;
1207 }
1208
1209
1210 /*
1211 ===========
1212 IN_MouseMove
1213 ===========
1214 */
1215 static void IN_MouseMove (void)
1216 {
1217         int i, mx, my;
1218         POINT current_pos;
1219
1220         if (!vid_usingmouse)
1221         {
1222                 //GetCursorPos (&current_pos);
1223                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1224                 return;
1225         }
1226
1227         if (dinput_acquired)
1228         {
1229                 DIDEVICEOBJECTDATA      od;
1230                 DWORD                           dwElements;
1231                 HRESULT                         hr;
1232                 mx = 0;
1233                 my = 0;
1234
1235                 for (;;)
1236                 {
1237                         dwElements = 1;
1238
1239                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1240                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1241
1242                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1243                         {
1244                                 IDirectInputDevice_Acquire(g_pMouse);
1245                                 break;
1246                         }
1247
1248                         /* Unable to read data or no data available */
1249                         if (FAILED(hr) || dwElements == 0)
1250                                 break;
1251
1252                         /* Look at the element to see what happened */
1253
1254                         switch (od.dwOfs)
1255                         {
1256                                 case DIMOFS_X:
1257                                         mx += od.dwData;
1258                                         break;
1259
1260                                 case DIMOFS_Y:
1261                                         my += od.dwData;
1262                                         break;
1263
1264                                 case DIMOFS_BUTTON0:
1265                                         if (od.dwData & 0x80)
1266                                                 mstate_di |= 1;
1267                                         else
1268                                                 mstate_di &= ~1;
1269                                         break;
1270
1271                                 case DIMOFS_BUTTON1:
1272                                         if (od.dwData & 0x80)
1273                                                 mstate_di |= (1<<1);
1274                                         else
1275                                                 mstate_di &= ~(1<<1);
1276                                         break;
1277
1278                                 case DIMOFS_BUTTON2:
1279                                         if (od.dwData & 0x80)
1280                                                 mstate_di |= (1<<2);
1281                                         else
1282                                                 mstate_di &= ~(1<<2);
1283                                         break;
1284                         }
1285                 }
1286
1287                 // perform button actions
1288                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1289                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1290                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1291                 mouse_oldbuttonstate = mstate_di;
1292
1293                 in_mouse_x = mx;
1294                 in_mouse_y = my;
1295         }
1296         else
1297         {
1298                 GetCursorPos (&current_pos);
1299                 mx = current_pos.x - (window_x + vid.width / 2);
1300                 my = current_pos.y - (window_y + vid.height / 2);
1301
1302                 in_mouse_x = mx;
1303                 in_mouse_y = my;
1304
1305                 // if the mouse has moved, force it to the center, so there's room to move
1306                 if (mx || my)
1307                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1308         }
1309 }
1310
1311
1312 /*
1313 ===========
1314 IN_Move
1315 ===========
1316 */
1317 void IN_Move (void)
1318 {
1319         if (vid_activewindow && !vid_hidden)
1320         {
1321                 IN_MouseMove ();
1322                 IN_JoyMove ();
1323         }
1324 }
1325
1326
1327 /*
1328 ===============
1329 IN_StartupJoystick
1330 ===============
1331 */
1332 static void IN_StartupJoystick (void)
1333 {
1334         int                     numdevs;
1335         JOYCAPS         jc;
1336         MMRESULT        mmr;
1337         mmr = 0;
1338
1339         // assume no joystick
1340         joy_avail = false;
1341
1342         // abort startup if user requests no joystick
1343 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1344         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1345                 return;
1346
1347         // verify joystick driver is present
1348         if ((numdevs = joyGetNumDevs ()) == 0)
1349         {
1350                 Con_Print("\njoystick not found -- driver not present\n\n");
1351                 return;
1352         }
1353
1354         // cycle through the joystick ids for the first valid one
1355         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1356         {
1357                 memset (&ji, 0, sizeof(ji));
1358                 ji.dwSize = sizeof(ji);
1359                 ji.dwFlags = JOY_RETURNCENTERED;
1360
1361                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1362                         break;
1363         }
1364
1365         // abort startup if we didn't find a valid joystick
1366         if (mmr != JOYERR_NOERROR)
1367         {
1368                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1369                 return;
1370         }
1371
1372         // get the capabilities of the selected joystick
1373         // abort startup if command fails
1374         memset (&jc, 0, sizeof(jc));
1375         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1376         {
1377                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1378                 return;
1379         }
1380
1381         // save the joystick's number of buttons and POV status
1382         joy_numbuttons = jc.wNumButtons;
1383         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1384
1385         // old button and POV states default to no buttons pressed
1386         joy_oldbuttonstate = joy_oldpovstate = 0;
1387
1388         // mark the joystick as available and advanced initialization not completed
1389         // this is needed as cvars are not available during initialization
1390
1391         joy_avail = true;
1392         joy_advancedinit = false;
1393
1394         Con_Print("\njoystick detected\n\n");
1395 }
1396
1397
1398 /*
1399 ===========
1400 RawValuePointer
1401 ===========
1402 */
1403 static PDWORD RawValuePointer (int axis)
1404 {
1405         switch (axis)
1406         {
1407         case JOY_AXIS_X:
1408                 return &ji.dwXpos;
1409         case JOY_AXIS_Y:
1410                 return &ji.dwYpos;
1411         case JOY_AXIS_Z:
1412                 return &ji.dwZpos;
1413         case JOY_AXIS_R:
1414                 return &ji.dwRpos;
1415         case JOY_AXIS_U:
1416                 return &ji.dwUpos;
1417         case JOY_AXIS_V:
1418                 return &ji.dwVpos;
1419         }
1420         return NULL; // LordHavoc: hush compiler warning
1421 }
1422
1423
1424 /*
1425 ===========
1426 Joy_AdvancedUpdate_f
1427 ===========
1428 */
1429 static void Joy_AdvancedUpdate_f (void)
1430 {
1431
1432         // called once by IN_ReadJoystick and by user whenever an update is needed
1433         // cvars are now available
1434         int     i;
1435         DWORD dwTemp;
1436
1437         // initialize all the maps
1438         for (i = 0; i < JOY_MAX_AXES; i++)
1439         {
1440                 dwAxisMap[i] = AxisNada;
1441                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1442                 pdwRawValue[i] = RawValuePointer(i);
1443         }
1444
1445         if( joy_advanced.integer == 0)
1446         {
1447                 // default joystick initialization
1448                 // 2 axes only with joystick control
1449                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1450                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1451                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1452                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1453         }
1454         else
1455         {
1456                 if (strcmp (joy_name.string, "joystick") != 0)
1457                 {
1458                         // notify user of advanced controller
1459                         Con_Printf("\n%s configured\n\n", joy_name.string);
1460                 }
1461
1462                 // advanced initialization here
1463                 // data supplied by user via joy_axisn cvars
1464                 dwTemp = (DWORD) joy_advaxisx.value;
1465                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1466                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1467                 dwTemp = (DWORD) joy_advaxisy.value;
1468                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1469                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1470                 dwTemp = (DWORD) joy_advaxisz.value;
1471                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1472                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1473                 dwTemp = (DWORD) joy_advaxisr.value;
1474                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1475                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1476                 dwTemp = (DWORD) joy_advaxisu.value;
1477                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1478                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1479                 dwTemp = (DWORD) joy_advaxisv.value;
1480                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1481                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1482         }
1483
1484         // compute the axes to collect from DirectInput
1485         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1486         for (i = 0; i < JOY_MAX_AXES; i++)
1487         {
1488                 if (dwAxisMap[i] != AxisNada)
1489                 {
1490                         joy_flags |= dwAxisFlags[i];
1491                 }
1492         }
1493 }
1494
1495 /*
1496 ===============
1497 IN_ReadJoystick
1498 ===============
1499 */
1500 static qboolean IN_ReadJoystick (void)
1501 {
1502
1503         memset (&ji, 0, sizeof(ji));
1504         ji.dwSize = sizeof(ji);
1505         ji.dwFlags = joy_flags;
1506
1507         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1508         {
1509                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1510                 // rather than having 32768 be the zero point, they have the zero point at 32668
1511                 // go figure -- anyway, now we get the full resolution out of the device
1512                 if (joy_wwhack1.integer != 0.0)
1513                 {
1514                         ji.dwUpos += 100;
1515                 }
1516                 return true;
1517         }
1518         else
1519         {
1520                 // read error occurred
1521                 // turning off the joystick seems too harsh for 1 read error,
1522                 // but what should be done?
1523                 return false;
1524         }
1525 }
1526
1527
1528 /*
1529 ===========
1530 IN_JoyMove
1531 ===========
1532 */
1533 static void IN_JoyMove (void)
1534 {
1535         float   speed, aspeed;
1536         float   fAxisValue, fTemp;
1537         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1538
1539         // complete initialization if first time in
1540         // this is needed as cvars are not available at initialization time
1541         if( joy_advancedinit != true )
1542         {
1543                 Joy_AdvancedUpdate_f();
1544                 joy_advancedinit = true;
1545         }
1546
1547         if (joy_avail)
1548         {
1549                 int             i, key_index;
1550                 DWORD   buttonstate, povstate;
1551
1552                 // loop through the joystick buttons
1553                 // key a joystick event or auxillary event for higher number buttons for each state change
1554                 buttonstate = ji.dwButtons;
1555                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1556                 {
1557                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1558                         {
1559                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1560                                 Key_Event (key_index + i, 0, true);
1561                         }
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, false);
1567                         }
1568                 }
1569                 joy_oldbuttonstate = buttonstate;
1570
1571                 if (joy_haspov)
1572                 {
1573                         // convert POV information into 4 bits of state information
1574                         // this avoids any potential problems related to moving from one
1575                         // direction to another without going through the center position
1576                         povstate = 0;
1577                         if(ji.dwPOV != JOY_POVCENTERED)
1578                         {
1579                                 if (ji.dwPOV == JOY_POVFORWARD)
1580                                         povstate |= 0x01;
1581                                 if (ji.dwPOV == JOY_POVRIGHT)
1582                                         povstate |= 0x02;
1583                                 if (ji.dwPOV == JOY_POVBACKWARD)
1584                                         povstate |= 0x04;
1585                                 if (ji.dwPOV == JOY_POVLEFT)
1586                                         povstate |= 0x08;
1587                         }
1588                         // determine which bits have changed and key an auxillary event for each change
1589                         for (i=0 ; i < 4 ; i++)
1590                         {
1591                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1592                                 {
1593                                         Key_Event (K_AUX29 + i, 0, true);
1594                                 }
1595
1596                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1597                                 {
1598                                         Key_Event (K_AUX29 + i, 0, false);
1599                                 }
1600                         }
1601                         joy_oldpovstate = povstate;
1602                 }
1603         }
1604
1605         // verify joystick is available and that the user wants to use it
1606         if (!joy_avail || !in_joystick.integer)
1607         {
1608                 return;
1609         }
1610
1611         // collect the joystick data, if possible
1612         if (IN_ReadJoystick () != true)
1613         {
1614                 return;
1615         }
1616
1617         if (in_speed.state & 1)
1618                 speed = cl_movespeedkey.value;
1619         else
1620                 speed = 1;
1621         // LordHavoc: viewzoom affects sensitivity for sniping
1622         aspeed = speed * host_realframetime * cl.viewzoom;
1623
1624         // loop through the axes
1625         for (i = 0; i < JOY_MAX_AXES; i++)
1626         {
1627                 // get the floating point zero-centered, potentially-inverted data for the current axis
1628                 fAxisValue = (float) *pdwRawValue[i];
1629                 // move centerpoint to zero
1630                 fAxisValue -= 32768.0;
1631
1632                 if (joy_wwhack2.integer != 0.0)
1633                 {
1634                         if (dwAxisMap[i] == AxisTurn)
1635                         {
1636                                 // this is a special formula for the Logitech WingMan Warrior
1637                                 // y=ax^b; where a = 300 and b = 1.3
1638                                 // also x values are in increments of 800 (so this is factored out)
1639                                 // then bounds check result to level out excessively high spin rates
1640                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1641                                 if (fTemp > 14000.0)
1642                                         fTemp = 14000.0;
1643                                 // restore direction information
1644                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1645                         }
1646                 }
1647
1648                 // convert range from -32768..32767 to -1..1
1649                 fAxisValue /= 32768.0;
1650
1651                 switch (dwAxisMap[i])
1652                 {
1653                 case AxisForward:
1654                         if ((joy_advanced.integer == 0) && mouselook)
1655                         {
1656                                 // user wants forward control to become look control
1657                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1658                                 {
1659                                         // if mouse invert is on, invert the joystick pitch value
1660                                         // only absolute control support here (joy_advanced is false)
1661                                         if (m_pitch.value < 0.0)
1662                                         {
1663                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1664                                         }
1665                                         else
1666                                         {
1667                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1668                                         }
1669                                         V_StopPitchDrift();
1670                                 }
1671                                 else
1672                                 {
1673                                         // no pitch movement
1674                                         // disable pitch return-to-center unless requested by user
1675                                         // *** this code can be removed when the lookspring bug is fixed
1676                                         // *** the bug always has the lookspring feature on
1677                                         if(lookspring.value == 0.0)
1678                                                 V_StopPitchDrift();
1679                                 }
1680                         }
1681                         else
1682                         {
1683                                 // user wants forward control to be forward control
1684                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1685                                 {
1686                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1687                                 }
1688                         }
1689                         break;
1690
1691                 case AxisSide:
1692                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1693                         {
1694                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1695                         }
1696                         break;
1697
1698                 case AxisTurn:
1699                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1700                         {
1701                                 // user wants turn control to become side control
1702                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1703                                 {
1704                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1705                                 }
1706                         }
1707                         else
1708                         {
1709                                 // user wants turn control to be turn control
1710                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1711                                 {
1712                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1713                                         {
1714                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1715                                         }
1716                                         else
1717                                         {
1718                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1719                                         }
1720
1721                                 }
1722                         }
1723                         break;
1724
1725                 case AxisLook:
1726                         if (mouselook)
1727                         {
1728                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1729                                 {
1730                                         // pitch movement detected and pitch movement desired by user
1731                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1732                                         {
1733                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1734                                         }
1735                                         else
1736                                         {
1737                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1738                                         }
1739                                         V_StopPitchDrift();
1740                                 }
1741                                 else
1742                                 {
1743                                         // no pitch movement
1744                                         // disable pitch return-to-center unless requested by user
1745                                         // *** this code can be removed when the lookspring bug is fixed
1746                                         // *** the bug always has the lookspring feature on
1747                                         if(lookspring.integer == 0)
1748                                                 V_StopPitchDrift();
1749                                 }
1750                         }
1751                         break;
1752
1753                 default:
1754                         break;
1755                 }
1756         }
1757 }
1758
1759 static void IN_Init(void)
1760 {
1761         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1762
1763         // joystick variables
1764         Cvar_RegisterVariable (&in_joystick);
1765         Cvar_RegisterVariable (&joy_name);
1766         Cvar_RegisterVariable (&joy_advanced);
1767         Cvar_RegisterVariable (&joy_advaxisx);
1768         Cvar_RegisterVariable (&joy_advaxisy);
1769         Cvar_RegisterVariable (&joy_advaxisz);
1770         Cvar_RegisterVariable (&joy_advaxisr);
1771         Cvar_RegisterVariable (&joy_advaxisu);
1772         Cvar_RegisterVariable (&joy_advaxisv);
1773         Cvar_RegisterVariable (&joy_forwardthreshold);
1774         Cvar_RegisterVariable (&joy_sidethreshold);
1775         Cvar_RegisterVariable (&joy_pitchthreshold);
1776         Cvar_RegisterVariable (&joy_yawthreshold);
1777         Cvar_RegisterVariable (&joy_forwardsensitivity);
1778         Cvar_RegisterVariable (&joy_sidesensitivity);
1779         Cvar_RegisterVariable (&joy_pitchsensitivity);
1780         Cvar_RegisterVariable (&joy_yawsensitivity);
1781         Cvar_RegisterVariable (&joy_wwhack1);
1782         Cvar_RegisterVariable (&joy_wwhack2);
1783         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1784 }
1785
1786 static void IN_Shutdown(void)
1787 {
1788         IN_Activate (false);
1789
1790         if (g_pMouse)
1791                 IDirectInputDevice_Release(g_pMouse);
1792         g_pMouse = NULL;
1793
1794         if (g_pdi)
1795                 IDirectInput_Release(g_pdi);
1796         g_pdi = NULL;
1797 }