6b40c25823f98d4ff7623992bcde8a8b31f22b07
[xonotic/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include <windows.h>
24 #include <dsound.h>
25 #include "resource.h"
26 #include <commctrl.h>
27
28 extern void S_BlockSound (void);
29 extern void S_UnblockSound (void);
30 extern HINSTANCE global_hInstance;
31
32
33 #ifndef WM_MOUSEWHEEL
34 #define WM_MOUSEWHEEL                   0x020A
35 #endif
36
37 // Tell startup code that we have a client
38 int cl_available = true;
39
40 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
41 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
42 //int (WINAPI *qwglGetPixelFormat)(HDC);
43 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
44 BOOL (WINAPI *qwglSwapBuffers)(HDC);
45 HGLRC (WINAPI *qwglCreateContext)(HDC);
46 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
47 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
48 HDC (WINAPI *qwglGetCurrentDC)(VOID);
49 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
50 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
51 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
52 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
53
54 static dllfunction_t wglfuncs[] =
55 {
56         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
57         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
58 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
59         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
60         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
61         {"wglCreateContext", (void **) &qwglCreateContext},
62         {"wglDeleteContext", (void **) &qwglDeleteContext},
63         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
64         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
65         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
66         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
67         {NULL, NULL}
68 };
69
70 static dllfunction_t wglswapintervalfuncs[] =
71 {
72         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
73         {NULL, NULL}
74 };
75
76 qboolean scr_skipupdate;
77
78 static DEVMODE gdevmode;
79 static qboolean vid_initialized = false;
80 static qboolean vid_wassuspended = false;
81 static int vid_usingmouse;
82 static HICON hIcon;
83
84 HWND mainwindow;
85
86 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
87
88 static int vid_isfullscreen;
89
90 //void VID_MenuDraw (void);
91 //void VID_MenuKey (int key);
92
93 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
94 //void AppActivate(BOOL fActive, BOOL minimize);
95 //void ClearAllStates (void);
96 //void VID_UpdateWindowStatus (void);
97
98 //====================================
99
100 int window_x, window_y, window_width, window_height;
101 int window_center_x, window_center_y;
102
103 void IN_ShowMouse (void);
104 void IN_DeactivateMouse (void);
105 void IN_HideMouse (void);
106 void IN_ActivateMouse (void);
107 void IN_MouseEvent (int mstate);
108 void IN_UpdateClipCursor (void);
109
110 qboolean mouseinitialized;
111 static qboolean dinput;
112
113 // input code
114
115 #include <dinput.h>
116
117 #define DINPUT_BUFFERSIZE           16
118 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
119
120 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
121         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 int                     mouse_buttons;
145 int                     mouse_oldbuttonstate;
146 POINT           current_pos;
147 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y;
148
149 static qboolean restore_spi;
150 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
151
152 unsigned int uiWheelMessage;
153 qboolean        mouseactive;
154 //qboolean              mouseinitialized;
155 static qboolean mouseparmsvalid, mouseactivatetoggle;
156 static qboolean mouseshowtoggle = 1;
157 static qboolean dinput_acquired;
158
159 static unsigned int             mstate_di;
160
161 // joystick defines and variables
162 // where should defines be moved?
163 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
164 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
165 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
166 #define JOY_AXIS_X                      0
167 #define JOY_AXIS_Y                      1
168 #define JOY_AXIS_Z                      2
169 #define JOY_AXIS_R                      3
170 #define JOY_AXIS_U                      4
171 #define JOY_AXIS_V                      5
172
173 enum _ControlList
174 {
175         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
176 };
177
178 DWORD   dwAxisFlags[JOY_MAX_AXES] =
179 {
180         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
181 };
182
183 DWORD   dwAxisMap[JOY_MAX_AXES];
184 DWORD   dwControlMap[JOY_MAX_AXES];
185 PDWORD  pdwRawValue[JOY_MAX_AXES];
186
187 // none of these cvars are saved over a session
188 // this means that advanced controller configuration needs to be executed
189 // each time.  this avoids any problems with getting back to a default usage
190 // or when changing from one controller to another.  this way at least something
191 // works.
192 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
193 cvar_t  joy_name = {0, "joyname", "joystick"};
194 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
195 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
196 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
197 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
198 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
199 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
200 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
201 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
202 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
203 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
204 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
205 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
206 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
207 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
208 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
209 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
210 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
211
212 qboolean        joy_avail, joy_advancedinit, joy_haspov;
213 DWORD           joy_oldbuttonstate, joy_oldpovstate;
214
215 int                     joy_id;
216 DWORD           joy_flags;
217 DWORD           joy_numbuttons;
218
219 static LPDIRECTINPUT            g_pdi;
220 static LPDIRECTINPUTDEVICE      g_pMouse;
221
222 static JOYINFOEX        ji;
223
224 static HINSTANCE hInstDI;
225
226 //static qboolean       dinput;
227
228 typedef struct MYDATA {
229         LONG  lX;                   // X axis goes here
230         LONG  lY;                   // Y axis goes here
231         LONG  lZ;                   // Z axis goes here
232         BYTE  bButtonA;             // One button goes here
233         BYTE  bButtonB;             // Another button goes here
234         BYTE  bButtonC;             // Another button goes here
235         BYTE  bButtonD;             // Another button goes here
236 } MYDATA;
237
238 static DIOBJECTDATAFORMAT rgodf[] = {
239   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
240   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
241   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
242   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
243   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
244   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
245   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
246 };
247
248 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
249
250 static DIDATAFORMAT     df = {
251         sizeof(DIDATAFORMAT),       // this structure
252         sizeof(DIOBJECTDATAFORMAT), // size of object data format
253         DIDF_RELAXIS,               // absolute axis coordinates
254         sizeof(MYDATA),             // device data size
255         NUM_OBJECTS,                // number of objects
256         rgodf,                      // and here they are
257 };
258
259 // forward-referenced functions
260 void IN_StartupJoystick (void);
261 void Joy_AdvancedUpdate_f (void);
262 void IN_JoyMove (usercmd_t *cmd);
263 void IN_StartupMouse (void);
264
265 /*
266 ================
267 VID_UpdateWindowStatus
268 ================
269 */
270 void VID_UpdateWindowStatus (void)
271 {
272         window_center_x = window_x + window_width / 2;
273         window_center_y = window_y + window_height / 2;
274
275         if (mouseinitialized && mouseactive && !dinput)
276         {
277                 RECT window_rect;
278                 window_rect.left = window_x;
279                 window_rect.top = window_y;
280                 window_rect.right = window_x + window_width;
281                 window_rect.bottom = window_y + window_height;
282                 ClipCursor (&window_rect);
283         }
284 }
285
286
287 //====================================
288
289 /*
290 =================
291 VID_GetWindowSize
292 =================
293 */
294 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
295 {
296         *x = 0;
297         *y = 0;
298         *width = window_width;
299         *height = window_height;
300 }
301
302
303 void VID_Finish (void)
304 {
305         HDC hdc;
306         int vid_usemouse;
307         static int      old_vsync       = -1;
308
309         if (old_vsync != vid_vsync.integer)
310         {
311                 old_vsync = bound(0, vid_vsync.integer, 1);
312                 Cvar_SetValueQuick(&vid_vsync, old_vsync);
313                 if (gl_videosyncavailable)
314                         qwglSwapIntervalEXT (old_vsync);
315         }
316
317         if (r_render.integer && !scr_skipupdate)
318         {
319                 if (r_speeds.integer || gl_finish.integer)
320                         qglFinish();
321                 if (qwglGetCurrentDC) 
322                         SwapBuffers(qwglGetCurrentDC());
323                 else {
324                         hdc = GetDC(mainwindow);
325                         SwapBuffers(hdc);
326                         ReleaseDC(mainwindow, hdc);
327                 }
328         }
329
330 // handle the mouse state when windowed if that's changed
331         vid_usemouse = false;
332         if (vid_mouse.integer && !key_consoleactive)
333                 vid_usemouse = true;
334         if (vid_isfullscreen)
335                 vid_usemouse = true;
336         if (!vid_activewindow)
337                 vid_usemouse = false;
338         if (vid_usemouse)
339         {
340                 if (!vid_usingmouse)
341                 {
342                         vid_usingmouse = true;
343                         IN_ActivateMouse ();
344                         IN_HideMouse();
345                 }
346         }
347         else
348         {
349                 if (vid_usingmouse)
350                 {
351                         vid_usingmouse = false;
352                         IN_DeactivateMouse ();
353                         IN_ShowMouse();
354                 }
355         }
356 }
357
358 //==========================================================================
359
360
361
362
363 qbyte scantokey[128] =
364 {
365 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
366         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
367         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
368         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
369         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
370         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
371         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
372         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
373         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
374 };
375
376
377 /*
378 =======
379 MapKey
380
381 Map from windows to quake keynums
382 =======
383 */
384 static int MapKey (int key, int virtualkey)
385 {
386         int result;
387         int modified = (key >> 16) & 255;
388         qboolean is_extended = false;
389
390         if (modified < 128 && scantokey[modified])
391                 result = scantokey[modified];
392         else
393         {
394                 result = 0;
395                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
396         }
397
398         if (key & (1 << 24))
399                 is_extended = true;
400
401         if ( !is_extended )
402         {
403                 switch ( result )
404                 {
405                 case K_HOME:
406                         return K_KP_HOME;
407                 case K_UPARROW:
408                         return K_KP_UPARROW;
409                 case K_PGUP:
410                         return K_KP_PGUP;
411                 case K_LEFTARROW:
412                         return K_KP_LEFTARROW;
413                 case K_RIGHTARROW:
414                         return K_KP_RIGHTARROW;
415                 case K_END:
416                         return K_KP_END;
417                 case K_DOWNARROW:
418                         return K_KP_DOWNARROW;
419                 case K_PGDN:
420                         return K_KP_PGDN;
421                 case K_INS:
422                         return K_KP_INS;
423                 case K_DEL:
424                         return K_KP_DEL;
425                 default:
426                         return result;
427                 }
428         }
429         else
430         {
431                 switch ( result )
432                 {
433                 case 0x0D:
434                         return K_KP_ENTER;
435                 case 0x2F:
436                         return K_KP_SLASH;
437                 case 0xAF:
438                         return K_KP_PLUS;
439                 }
440                 return result;
441         }
442 }
443
444 /*
445 ===================================================================
446
447 MAIN WINDOW
448
449 ===================================================================
450 */
451
452 /*
453 ================
454 ClearAllStates
455 ================
456 */
457 void ClearAllStates (void)
458 {
459         Key_ClearStates ();
460         IN_ClearStates ();
461 }
462
463 extern qboolean host_loopactive;
464
465 void AppActivate(BOOL fActive, BOOL minimize)
466 /****************************************************************************
467 *
468 * Function:     AppActivate
469 * Parameters:   fActive - True if app is activating
470 *
471 * Description:  If the application is activating, then swap the system
472 *               into SYSPAL_NOSTATIC mode so that our palettes will display
473 *               correctly.
474 *
475 ****************************************************************************/
476 {
477         static BOOL     sound_active;
478
479         vid_activewindow = fActive;
480         vid_hidden = minimize;
481
482 // enable/disable sound on focus gain/loss
483         if (!vid_activewindow && sound_active)
484         {
485                 S_BlockSound ();
486                 sound_active = false;
487         }
488         else if (vid_activewindow && !sound_active)
489         {
490                 S_UnblockSound ();
491                 sound_active = true;
492         }
493
494         if (fActive)
495         {
496                 if (vid_isfullscreen)
497                 {
498                         if (vid_wassuspended)
499                         {
500                                 vid_wassuspended = false;
501                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
502                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
503                         }
504
505                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
506                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
507                 }
508         }
509
510         if (!fActive)
511         {
512                 vid_usingmouse = false;
513                 IN_DeactivateMouse ();
514                 IN_ShowMouse ();
515                 if (vid_isfullscreen)
516                 {
517                         ChangeDisplaySettings (NULL, 0);
518                         vid_wassuspended = true;
519                 }
520                 VID_RestoreSystemGamma();
521         }
522 }
523
524 //TODO: move it around in vid_wgl.c since I dont think this is the right position
525 void Sys_SendKeyEvents (void)
526 {
527         MSG msg;
528
529         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
530         {
531         // we always update if there are any event, even if we're paused
532                 scr_skipupdate = 0;
533
534                 if (!GetMessage (&msg, NULL, 0, 0))
535                         Sys_Quit ();
536
537                 TranslateMessage (&msg);
538                 DispatchMessage (&msg);
539         }
540 }
541
542 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
543
544 /* main window procedure */
545 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
546 {
547         LONG    lRet = 1;
548         int             fActive, fMinimized, temp;
549         char    state[256];
550         char    asciichar[4];
551         int             vkey;
552         qboolean down = false;
553
554         extern unsigned int uiWheelMessage;
555
556         if ( uMsg == uiWheelMessage )
557                 uMsg = WM_MOUSEWHEEL;
558
559         switch (uMsg)
560         {
561                 case WM_KILLFOCUS:
562                         if (vid_isfullscreen)
563                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
564                         break;
565
566                 case WM_CREATE:
567                         break;
568
569                 case WM_MOVE:
570                         window_x = (int) LOWORD(lParam);
571                         window_y = (int) HIWORD(lParam);
572                         VID_UpdateWindowStatus ();
573                         break;
574         
575                 case WM_KEYDOWN:
576                 case WM_SYSKEYDOWN:
577                         down = true;
578                 case WM_KEYUP:
579                 case WM_SYSKEYUP:
580                         vkey = MapKey(lParam, wParam);
581                         GetKeyboardState (state);
582                         // alt/ctrl/shift tend to produce funky ToAscii values,
583                         // and if it's not a single character we don't know care about it
584                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
585                                 asciichar[0] = 0;
586                         Key_Event (vkey, asciichar[0], down);
587                         break;
588
589                 case WM_SYSCHAR:
590                 // keep Alt-Space from happening
591                         break;
592
593         // this is complicated because Win32 seems to pack multiple mouse events into
594         // one update sometimes, so we always check all states and look for events
595                 case WM_LBUTTONDOWN:
596                 case WM_LBUTTONUP:
597                 case WM_RBUTTONDOWN:
598                 case WM_RBUTTONUP:
599                 case WM_MBUTTONDOWN:
600                 case WM_MBUTTONUP:
601                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
602                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
603                 case WM_MOUSEMOVE:
604                         temp = 0;
605
606                         if (wParam & MK_LBUTTON)
607                                 temp |= 1;
608
609                         if (wParam & MK_RBUTTON)
610                                 temp |= 2;
611
612                         if (wParam & MK_MBUTTON)
613                                 temp |= 4;
614
615                         /* backslash :: imouse explorer buttons */
616                         if (wParam & MK_XBUTTON1)
617                                 temp |= 8;
618
619                         if (wParam & MK_XBUTTON2)
620                                 temp |= 16;
621                         /* :: backslash */
622
623                         // LordHavoc: lets hope this allows more buttons in the future...
624                         if (wParam & MK_XBUTTON3)
625                                 temp |= 32;
626                         if (wParam & MK_XBUTTON4)
627                                 temp |= 64;
628                         if (wParam & MK_XBUTTON5)
629                                 temp |= 128;
630                         if (wParam & MK_XBUTTON6)
631                                 temp |= 256;
632                         if (wParam & MK_XBUTTON7)
633                                 temp |= 512;
634
635                         IN_MouseEvent (temp);
636
637                         break;
638
639                 // JACK: This is the mouse wheel with the Intellimouse
640                 // Its delta is either positive or neg, and we generate the proper
641                 // Event.
642                 case WM_MOUSEWHEEL:
643                         if ((short) HIWORD(wParam) > 0) {
644                                 Key_Event(K_MWHEELUP, 0, true);
645                                 Key_Event(K_MWHEELUP, 0, false);
646                         } else {
647                                 Key_Event(K_MWHEELDOWN, 0, true);
648                                 Key_Event(K_MWHEELDOWN, 0, false);
649                         }
650                         break;
651
652                 case WM_SIZE:
653                         break;
654
655                 case WM_CLOSE:
656                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
657                                 Sys_Quit ();
658
659                         break;
660
661                 case WM_ACTIVATE:
662                         fActive = LOWORD(wParam);
663                         fMinimized = (BOOL) HIWORD(wParam);
664                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
665
666                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
667                         ClearAllStates ();
668
669                         break;
670
671                 //case WM_DESTROY:
672                 //      PostQuitMessage (0);
673                 //      break;
674
675                 case MM_MCINOTIFY:
676                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
677                         break;
678
679                 default:
680                         /* pass all unhandled messages to DefWindowProc */
681                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
682                 break;
683         }
684
685         /* return 1 if handled message, 0 if not */
686         return lRet;
687 }
688
689 int VID_SetGamma(unsigned short *ramps)
690 {
691         HDC hdc = GetDC (NULL);
692         int i = SetDeviceGammaRamp(hdc, ramps);
693         ReleaseDC (NULL, hdc);
694         return i; // return success or failure
695 }
696
697 int VID_GetGamma(unsigned short *ramps)
698 {
699         HDC hdc = GetDC (NULL);
700         int i = GetDeviceGammaRamp(hdc, ramps);
701         ReleaseDC (NULL, hdc);
702         return i; // return success or failure
703 }
704
705 static HINSTANCE gldll;
706
707 int GL_OpenLibrary(const char *name)
708 {
709         Con_Printf("Loading OpenGL driver %s\n", name);
710         GL_CloseLibrary();
711         if (!(gldll = LoadLibrary(name)))
712         {
713                 Con_Printf("Unable to LoadLibrary %s\n", name);
714                 return false;
715         }
716         strcpy(gl_driver, name);
717         return true;
718 }
719
720 void GL_CloseLibrary(void)
721 {
722         FreeLibrary(gldll);
723         gldll = 0;
724         gl_driver[0] = 0;
725         qwglGetProcAddress = NULL;
726         gl_extensions = "";
727         gl_platform = "";
728         gl_platformextensions = "";
729 }
730
731 void *GL_GetProcAddress(const char *name)
732 {
733         void *p = NULL;
734         if (qwglGetProcAddress != NULL)
735                 p = (void *) qwglGetProcAddress(name);
736         if (p == NULL)
737                 p = (void *) GetProcAddress(gldll, name);
738         return p;
739 }
740
741 static void IN_Init(void);
742 void VID_Init(void)
743 {
744         WNDCLASS wc;
745
746         InitCommonControls();
747         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
748
749         // Register the frame class
750         wc.style         = 0;
751         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
752         wc.cbClsExtra    = 0;
753         wc.cbWndExtra    = 0;
754         wc.hInstance     = global_hInstance;
755         wc.hIcon         = hIcon;
756         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
757         wc.hbrBackground = NULL;
758         wc.lpszMenuName  = 0;
759         wc.lpszClassName = "DarkPlacesWindowClass";
760
761         if (!RegisterClass (&wc))
762                 Sys_Error("Couldn't register window class\n");
763
764         IN_Init();
765 }
766
767 int VID_InitMode (int fullscreen, int width, int height, int bpp)
768 {
769         int i;
770         HDC hdc;
771         RECT rect;
772         MSG msg;
773         PIXELFORMATDESCRIPTOR pfd =
774         {
775                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
776                 1,                              // version number
777                 PFD_DRAW_TO_WINDOW              // support window
778                 |  PFD_SUPPORT_OPENGL   // support OpenGL
779                 |  PFD_DOUBLEBUFFER ,   // double buffered
780                 PFD_TYPE_RGBA,                  // RGBA type
781                 24,                             // 24-bit color depth
782                 0, 0, 0, 0, 0, 0,               // color bits ignored
783                 0,                              // no alpha buffer
784                 0,                              // shift bit ignored
785                 0,                              // no accumulation buffer
786                 0, 0, 0, 0,                     // accum bits ignored
787                 32,                             // 32-bit z-buffer
788                 0,                              // no stencil buffer
789                 0,                              // no auxiliary buffer
790                 PFD_MAIN_PLANE,                 // main layer
791                 0,                              // reserved
792                 0, 0, 0                         // layer masks ignored
793         };
794         int pixelformat;
795         DWORD WindowStyle, ExWindowStyle;
796         HGLRC baseRC;
797         int CenterX, CenterY;
798         const char *gldrivername;
799         int depth;
800
801         if (vid_initialized)
802                 Sys_Error("VID_InitMode called when video is already initialised\n");
803
804         // if stencil is enabled, ask for alpha too
805         if (bpp >= 32)
806         {
807                 pfd.cStencilBits = 8;
808                 pfd.cAlphaBits = 8;
809         }
810         else
811         {
812                 pfd.cStencilBits = 0;
813                 pfd.cAlphaBits = 0;
814         }
815
816         gldrivername = "opengl32.dll";
817 // 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
818         i = COM_CheckParm("-gl_driver");
819         if (i && i < com_argc - 1)
820                 gldrivername = com_argv[i + 1];
821         if (!GL_OpenLibrary(gldrivername))
822         {
823                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
824                 return false;
825         }
826
827         memset(&gdevmode, 0, sizeof(gdevmode));
828
829         vid_isfullscreen = false;
830         if (fullscreen)
831         {
832                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
833                 gdevmode.dmBitsPerPel = bpp;
834                 gdevmode.dmPelsWidth = width;
835                 gdevmode.dmPelsHeight = height;
836                 gdevmode.dmSize = sizeof (gdevmode);
837                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
838                 {
839                         VID_Shutdown();
840                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
841                         return false;
842                 }
843
844                 vid_isfullscreen = true;
845                 WindowStyle = WS_POPUP;
846                 ExWindowStyle = WS_EX_TOPMOST;
847         }
848         else
849         {
850                 hdc = GetDC (NULL);
851                 i = GetDeviceCaps(hdc, RASTERCAPS);
852                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
853                 ReleaseDC (NULL, hdc);
854                 if (i & RC_PALETTE)
855                 {
856                         VID_Shutdown();
857                         Con_Print("Can't run in non-RGB mode\n");
858                         return false;
859                 }
860                 if (bpp > depth)
861                 {
862                         VID_Shutdown();
863                         Con_Print("A higher desktop depth is required to run this video mode\n");
864                         return false;
865                 }
866
867                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
868                 ExWindowStyle = 0;
869         }
870
871         rect.top = 0;
872         rect.left = 0;
873         rect.right = width;
874         rect.bottom = height;
875         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
876
877         if (fullscreen)
878         {
879                 CenterX = 0;
880                 CenterY = 0;
881         }
882         else
883         {
884                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
885                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
886         }
887         CenterX = max(0, CenterX);
888         CenterY = max(0, CenterY);
889
890         // x and y may be changed by WM_MOVE messages
891         window_x = CenterX;
892         window_y = CenterY;
893         window_width = width;
894         window_height = height;
895         rect.left += CenterX;
896         rect.right += CenterX;
897         rect.top += CenterY;
898         rect.bottom += CenterY;
899
900         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
901         if (!mainwindow)
902         {
903                 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);
904                 VID_Shutdown();
905                 return false;
906         }
907
908         /*
909         if (!fullscreen)
910                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
911         */
912
913         ShowWindow (mainwindow, SW_SHOWDEFAULT);
914         UpdateWindow (mainwindow);
915
916         VID_UpdateWindowStatus ();
917
918         // now we try to make sure we get the focus on the mode switch, because
919         // sometimes in some systems we don't.  We grab the foreground, then
920         // finish setting up, pump all our messages, and sleep for a little while
921         // to let messages finish bouncing around the system, then we put
922         // ourselves at the top of the z order, then grab the foreground again,
923         // Who knows if it helps, but it probably doesn't hurt
924         SetForegroundWindow (mainwindow);
925
926         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
927         {
928                 TranslateMessage (&msg);
929                 DispatchMessage (&msg);
930         }
931
932         Sleep (100);
933
934         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
935
936         SetForegroundWindow (mainwindow);
937
938         // fix the leftover Alt from any Alt-Tab or the like that switched us away
939         ClearAllStates ();
940
941         hdc = GetDC(mainwindow);
942
943         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
944         {
945                 VID_Shutdown();
946                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
947                 return false;
948         }
949
950         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
951         {
952                 VID_Shutdown();
953                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
954                 return false;
955         }
956
957         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
958         {
959                 VID_Shutdown();
960                 Con_Print("wgl functions not found\n");
961                 return false;
962         }
963
964         baseRC = qwglCreateContext(hdc);
965         if (!baseRC)
966         {
967                 VID_Shutdown();
968                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
969                 return false;
970         }
971         if (!qwglMakeCurrent(hdc, baseRC))
972         {
973                 VID_Shutdown();
974                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
975                 return false;
976         }
977
978         qglGetString = GL_GetProcAddress("glGetString");
979         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
980         if (qglGetString == NULL)
981         {
982                 VID_Shutdown();
983                 Con_Print("glGetString not found\n");
984                 return false;
985         }
986         gl_renderer = qglGetString(GL_RENDERER);
987         gl_vendor = qglGetString(GL_VENDOR);
988         gl_version = qglGetString(GL_VERSION);
989         gl_extensions = qglGetString(GL_EXTENSIONS);
990         gl_platform = "WGL";
991         gl_platformextensions = "";
992
993         gl_videosyncavailable = false;
994
995         if (qwglGetExtensionsStringARB)
996                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
997
998 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
999         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
1000         //ReleaseDC(mainwindow, hdc);
1001
1002         GL_Init ();
1003
1004         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1005         if (strncasecmp(gl_vendor,"ATI",3)==0)
1006         {
1007                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1008                         isRagePro = true;
1009         }
1010         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1011                 isG200 = true;
1012
1013         //vid_menudrawfn = VID_MenuDraw;
1014         //vid_menukeyfn = VID_MenuKey;
1015         vid_hidden = false;
1016         vid_initialized = true;
1017
1018         IN_StartupMouse ();
1019         IN_StartupJoystick ();
1020
1021         return true;
1022 }
1023
1024 static void IN_Shutdown(void);
1025 void VID_Shutdown (void)
1026 {
1027         HGLRC hRC = 0;
1028         HDC hDC = 0;
1029
1030         if(vid_initialized == false)
1031                 return;
1032
1033         VID_RestoreSystemGamma();
1034
1035         vid_initialized = false;
1036         IN_Shutdown();
1037         if (qwglGetCurrentContext)
1038                 hRC = qwglGetCurrentContext();
1039         if (qwglGetCurrentDC)
1040                 hDC = qwglGetCurrentDC();
1041         if (qwglMakeCurrent)
1042                 qwglMakeCurrent(NULL, NULL);
1043         if (hRC && qwglDeleteContext)
1044                 qwglDeleteContext(hRC);
1045         // close the library before we get rid of the window
1046         GL_CloseLibrary();
1047         if (hDC && mainwindow)
1048                 ReleaseDC(mainwindow, hDC);
1049         AppActivate(false, false);
1050         if (mainwindow)
1051                 DestroyWindow(mainwindow);
1052         mainwindow = 0;
1053         if (vid_isfullscreen)
1054                 ChangeDisplaySettings (NULL, 0);
1055         vid_isfullscreen = false;
1056 }
1057
1058
1059 /*
1060 ===========
1061 IN_ShowMouse
1062 ===========
1063 */
1064 void IN_ShowMouse (void)
1065 {
1066         if (!mouseshowtoggle)
1067         {
1068                 ShowCursor (true);
1069                 mouseshowtoggle = 1;
1070         }
1071 }
1072
1073
1074 /*
1075 ===========
1076 IN_HideMouse
1077 ===========
1078 */
1079 void IN_HideMouse (void)
1080 {
1081         if (mouseshowtoggle)
1082         {
1083                 ShowCursor (false);
1084                 mouseshowtoggle = 0;
1085         }
1086 }
1087
1088
1089 /*
1090 ===========
1091 IN_ActivateMouse
1092 ===========
1093 */
1094 void IN_ActivateMouse (void)
1095 {
1096
1097         mouseactivatetoggle = true;
1098
1099         if (mouseinitialized)
1100         {
1101                 if (dinput)
1102                 {
1103                         if (g_pMouse)
1104                         {
1105                                 if (!dinput_acquired)
1106                                 {
1107                                         IDirectInputDevice_Acquire(g_pMouse);
1108                                         dinput_acquired = true;
1109                                 }
1110                         }
1111                         else
1112                         {
1113                                 return;
1114                         }
1115                 }
1116                 else
1117                 {
1118                         RECT window_rect;
1119                         window_rect.left = window_x;
1120                         window_rect.top = window_y;
1121                         window_rect.right = window_x + window_width;
1122                         window_rect.bottom = window_y + window_height;
1123
1124                         if (mouseparmsvalid)
1125                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1126
1127                         SetCursorPos (window_center_x, window_center_y);
1128                         SetCapture (mainwindow);
1129                         ClipCursor (&window_rect);
1130                 }
1131
1132                 mouseactive = true;
1133         }
1134 }
1135
1136
1137 /*
1138 ===========
1139 IN_DeactivateMouse
1140 ===========
1141 */
1142 void IN_DeactivateMouse (void)
1143 {
1144
1145         mouseactivatetoggle = false;
1146
1147         if (mouseinitialized)
1148         {
1149                 if (dinput)
1150                 {
1151                         if (g_pMouse)
1152                         {
1153                                 if (dinput_acquired)
1154                                 {
1155                                         IDirectInputDevice_Unacquire(g_pMouse);
1156                                         dinput_acquired = false;
1157                                 }
1158                         }
1159                 }
1160                 else
1161                 {
1162                         if (restore_spi)
1163                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1164
1165                         ClipCursor (NULL);
1166                         ReleaseCapture ();
1167                 }
1168
1169                 mouseactive = false;
1170         }
1171 }
1172
1173
1174 /*
1175 ===========
1176 IN_InitDInput
1177 ===========
1178 */
1179 qboolean IN_InitDInput (void)
1180 {
1181     HRESULT             hr;
1182         DIPROPDWORD     dipdw = {
1183                 {
1184                         sizeof(DIPROPDWORD),        // diph.dwSize
1185                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1186                         0,                          // diph.dwObj
1187                         DIPH_DEVICE,                // diph.dwHow
1188                 },
1189                 DINPUT_BUFFERSIZE,              // dwData
1190         };
1191
1192         if (!hInstDI)
1193         {
1194                 hInstDI = LoadLibrary("dinput.dll");
1195
1196                 if (hInstDI == NULL)
1197                 {
1198                         Con_SafePrint("Couldn't load dinput.dll\n");
1199                         return false;
1200                 }
1201         }
1202
1203         if (!pDirectInputCreate)
1204         {
1205                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1206
1207                 if (!pDirectInputCreate)
1208                 {
1209                         Con_SafePrint("Couldn't get DI proc addr\n");
1210                         return false;
1211                 }
1212         }
1213
1214 // register with DirectInput and get an IDirectInput to play with.
1215         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1216
1217         if (FAILED(hr))
1218         {
1219                 return false;
1220         }
1221
1222 // obtain an interface to the system mouse device.
1223         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1224
1225         if (FAILED(hr))
1226         {
1227                 Con_SafePrint("Couldn't open DI mouse device\n");
1228                 return false;
1229         }
1230
1231 // set the data format to "mouse format".
1232         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1233
1234         if (FAILED(hr))
1235         {
1236                 Con_SafePrint("Couldn't set DI mouse format\n");
1237                 return false;
1238         }
1239
1240 // set the cooperativity level.
1241         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1242                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1243
1244         if (FAILED(hr))
1245         {
1246                 Con_SafePrint("Couldn't set DI coop level\n");
1247                 return false;
1248         }
1249
1250
1251 // set the buffer size to DINPUT_BUFFERSIZE elements.
1252 // the buffer size is a DWORD property associated with the device
1253         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1254
1255         if (FAILED(hr))
1256         {
1257                 Con_SafePrint("Couldn't set DI buffersize\n");
1258                 return false;
1259         }
1260
1261         return true;
1262 }
1263
1264
1265 /*
1266 ===========
1267 IN_StartupMouse
1268 ===========
1269 */
1270 void IN_StartupMouse (void)
1271 {
1272         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1273                 return;
1274
1275         mouseinitialized = true;
1276
1277 // COMMANDLINEOPTION: Windows Input: -dinput uses DirectInput (instead of GDI) for mouse/joystick input, may be more precise or responsive, but probably not
1278         if (COM_CheckParm ("-dinput"))
1279         {
1280                 dinput = IN_InitDInput ();
1281
1282                 if (dinput)
1283                 {
1284                         Con_SafePrint("DirectInput initialized\n");
1285                 }
1286                 else
1287                 {
1288                         Con_SafePrint("DirectInput not initialized\n");
1289                 }
1290         }
1291
1292         if (!dinput)
1293         {
1294                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1295
1296                 if (mouseparmsvalid)
1297                 {
1298 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (ignored with -dinput, windows only)
1299                         if ( COM_CheckParm ("-noforcemspd") )
1300                                 newmouseparms[2] = originalmouseparms[2];
1301
1302 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (ignored with -dinput, windows only)
1303                         if ( COM_CheckParm ("-noforcemaccel") )
1304                         {
1305                                 newmouseparms[0] = originalmouseparms[0];
1306                                 newmouseparms[1] = originalmouseparms[1];
1307                         }
1308
1309 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (ignored with -dinput, windows only)
1310                         if ( COM_CheckParm ("-noforcemparms") )
1311                         {
1312                                 newmouseparms[0] = originalmouseparms[0];
1313                                 newmouseparms[1] = originalmouseparms[1];
1314                                 newmouseparms[2] = originalmouseparms[2];
1315                         }
1316                 }
1317         }
1318
1319         mouse_buttons = 10;
1320
1321 // if a fullscreen video mode was set before the mouse was initialized,
1322 // set the mouse state appropriately
1323         if (mouseactivatetoggle)
1324                 IN_ActivateMouse ();
1325 }
1326
1327
1328 /*
1329 ===========
1330 IN_MouseEvent
1331 ===========
1332 */
1333 void IN_MouseEvent (int mstate)
1334 {
1335         int     i;
1336
1337         if (mouseactive && !dinput)
1338         {
1339         // perform button actions
1340                 for (i=0 ; i<mouse_buttons ; i++)
1341                 {
1342                         if ( (mstate & (1<<i)) &&
1343                                 !(mouse_oldbuttonstate & (1<<i)) )
1344                         {
1345                                 Key_Event (K_MOUSE1 + i, 0, true);
1346                         }
1347
1348                         if ( !(mstate & (1<<i)) &&
1349                                 (mouse_oldbuttonstate & (1<<i)) )
1350                         {
1351                                 Key_Event (K_MOUSE1 + i, 0, false);
1352                         }
1353                 }
1354
1355                 mouse_oldbuttonstate = mstate;
1356         }
1357 }
1358
1359
1360 /*
1361 ===========
1362 IN_MouseMove
1363 ===========
1364 */
1365 void IN_MouseMove (usercmd_t *cmd)
1366 {
1367         int                                     i, mx, my;
1368         DIDEVICEOBJECTDATA      od;
1369         DWORD                           dwElements;
1370         HRESULT                         hr;
1371
1372         if (!mouseactive)
1373         {
1374                 GetCursorPos (&current_pos);
1375                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1376                 IN_Mouse( cmd, 0, 0 );
1377                 return;
1378         }
1379
1380         if (dinput)
1381         {
1382                 mx = 0;
1383                 my = 0;
1384
1385                 for (;;)
1386                 {
1387                         dwElements = 1;
1388
1389                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1390                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1391
1392                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1393                         {
1394                                 dinput_acquired = true;
1395                                 IDirectInputDevice_Acquire(g_pMouse);
1396                                 break;
1397                         }
1398
1399                         /* Unable to read data or no data available */
1400                         if (FAILED(hr) || dwElements == 0)
1401                                 break;
1402
1403                         /* Look at the element to see what happened */
1404
1405                         switch (od.dwOfs)
1406                         {
1407                                 case DIMOFS_X:
1408                                         mx += od.dwData;
1409                                         break;
1410
1411                                 case DIMOFS_Y:
1412                                         my += od.dwData;
1413                                         break;
1414
1415                                 case DIMOFS_BUTTON0:
1416                                         if (od.dwData & 0x80)
1417                                                 mstate_di |= 1;
1418                                         else
1419                                                 mstate_di &= ~1;
1420                                         break;
1421
1422                                 case DIMOFS_BUTTON1:
1423                                         if (od.dwData & 0x80)
1424                                                 mstate_di |= (1<<1);
1425                                         else
1426                                                 mstate_di &= ~(1<<1);
1427                                         break;
1428
1429                                 case DIMOFS_BUTTON2:
1430                                         if (od.dwData & 0x80)
1431                                                 mstate_di |= (1<<2);
1432                                         else
1433                                                 mstate_di &= ~(1<<2);
1434                                         break;
1435                         }
1436                 }
1437
1438         // perform button actions
1439                 for (i=0 ; i<mouse_buttons ; i++)
1440                 {
1441                         if ( (mstate_di & (1<<i)) &&
1442                                 !(mouse_oldbuttonstate & (1<<i)) )
1443                         {
1444                                 Key_Event (K_MOUSE1 + i, 0, true);
1445                         }
1446
1447                         if ( !(mstate_di & (1<<i)) &&
1448                                 (mouse_oldbuttonstate & (1<<i)) )
1449                         {
1450                                 Key_Event (K_MOUSE1 + i, 0, false);
1451                         }
1452                 }
1453
1454                 mouse_oldbuttonstate = mstate_di;
1455         }
1456         else
1457         {
1458                 GetCursorPos (&current_pos);
1459                 mx = current_pos.x - window_center_x;
1460                 my = current_pos.y - window_center_y;
1461         }
1462
1463         IN_Mouse(cmd, mx, my);
1464
1465         // if the mouse has moved, force it to the center, so there's room to move
1466         if (!dinput && (mx || my))
1467                 SetCursorPos (window_center_x, window_center_y);
1468 }
1469
1470
1471 /*
1472 ===========
1473 IN_Move
1474 ===========
1475 */
1476 void IN_Move (usercmd_t *cmd)
1477 {
1478         if (vid_activewindow && !vid_hidden)
1479         {
1480                 IN_MouseMove (cmd);
1481                 IN_JoyMove (cmd);
1482         }
1483 }
1484
1485
1486 /*
1487 ===================
1488 IN_ClearStates
1489 ===================
1490 */
1491 void IN_ClearStates (void)
1492 {
1493         if (mouseactive)
1494                 mouse_oldbuttonstate = 0;
1495 }
1496
1497
1498 /*
1499 ===============
1500 IN_StartupJoystick
1501 ===============
1502 */
1503 void IN_StartupJoystick (void)
1504 {
1505         int                     numdevs;
1506         JOYCAPS         jc;
1507         MMRESULT        mmr;
1508         mmr = 0;
1509
1510         // assume no joystick
1511         joy_avail = false;
1512
1513         // abort startup if user requests no joystick
1514 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1515         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1516                 return;
1517
1518         // verify joystick driver is present
1519         if ((numdevs = joyGetNumDevs ()) == 0)
1520         {
1521                 Con_Print("\njoystick not found -- driver not present\n\n");
1522                 return;
1523         }
1524
1525         // cycle through the joystick ids for the first valid one
1526         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1527         {
1528                 memset (&ji, 0, sizeof(ji));
1529                 ji.dwSize = sizeof(ji);
1530                 ji.dwFlags = JOY_RETURNCENTERED;
1531
1532                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1533                         break;
1534         }
1535
1536         // abort startup if we didn't find a valid joystick
1537         if (mmr != JOYERR_NOERROR)
1538         {
1539                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1540                 return;
1541         }
1542
1543         // get the capabilities of the selected joystick
1544         // abort startup if command fails
1545         memset (&jc, 0, sizeof(jc));
1546         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1547         {
1548                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1549                 return;
1550         }
1551
1552         // save the joystick's number of buttons and POV status
1553         joy_numbuttons = jc.wNumButtons;
1554         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1555
1556         // old button and POV states default to no buttons pressed
1557         joy_oldbuttonstate = joy_oldpovstate = 0;
1558
1559         // mark the joystick as available and advanced initialization not completed
1560         // this is needed as cvars are not available during initialization
1561
1562         joy_avail = true;
1563         joy_advancedinit = false;
1564
1565         Con_Print("\njoystick detected\n\n");
1566 }
1567
1568
1569 /*
1570 ===========
1571 RawValuePointer
1572 ===========
1573 */
1574 PDWORD RawValuePointer (int axis)
1575 {
1576         switch (axis)
1577         {
1578         case JOY_AXIS_X:
1579                 return &ji.dwXpos;
1580         case JOY_AXIS_Y:
1581                 return &ji.dwYpos;
1582         case JOY_AXIS_Z:
1583                 return &ji.dwZpos;
1584         case JOY_AXIS_R:
1585                 return &ji.dwRpos;
1586         case JOY_AXIS_U:
1587                 return &ji.dwUpos;
1588         case JOY_AXIS_V:
1589                 return &ji.dwVpos;
1590         }
1591         return NULL; // LordHavoc: hush compiler warning
1592 }
1593
1594
1595 /*
1596 ===========
1597 Joy_AdvancedUpdate_f
1598 ===========
1599 */
1600 void Joy_AdvancedUpdate_f (void)
1601 {
1602
1603         // called once by IN_ReadJoystick and by user whenever an update is needed
1604         // cvars are now available
1605         int     i;
1606         DWORD dwTemp;
1607
1608         // initialize all the maps
1609         for (i = 0; i < JOY_MAX_AXES; i++)
1610         {
1611                 dwAxisMap[i] = AxisNada;
1612                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1613                 pdwRawValue[i] = RawValuePointer(i);
1614         }
1615
1616         if( joy_advanced.integer == 0)
1617         {
1618                 // default joystick initialization
1619                 // 2 axes only with joystick control
1620                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1621                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1622                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1623                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1624         }
1625         else
1626         {
1627                 if (strcmp (joy_name.string, "joystick") != 0)
1628                 {
1629                         // notify user of advanced controller
1630                         Con_Printf("\n%s configured\n\n", joy_name.string);
1631                 }
1632
1633                 // advanced initialization here
1634                 // data supplied by user via joy_axisn cvars
1635                 dwTemp = (DWORD) joy_advaxisx.value;
1636                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1637                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1638                 dwTemp = (DWORD) joy_advaxisy.value;
1639                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1640                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1641                 dwTemp = (DWORD) joy_advaxisz.value;
1642                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1643                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1644                 dwTemp = (DWORD) joy_advaxisr.value;
1645                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1646                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1647                 dwTemp = (DWORD) joy_advaxisu.value;
1648                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1649                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1650                 dwTemp = (DWORD) joy_advaxisv.value;
1651                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1652                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1653         }
1654
1655         // compute the axes to collect from DirectInput
1656         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1657         for (i = 0; i < JOY_MAX_AXES; i++)
1658         {
1659                 if (dwAxisMap[i] != AxisNada)
1660                 {
1661                         joy_flags |= dwAxisFlags[i];
1662                 }
1663         }
1664 }
1665
1666 /*
1667 ===========
1668 IN_Commands
1669 ===========
1670 */
1671 void IN_Commands (void)
1672 {
1673         int             i, key_index;
1674         DWORD   buttonstate, povstate;
1675
1676         if (!joy_avail)
1677         {
1678                 return;
1679         }
1680
1681
1682         // loop through the joystick buttons
1683         // key a joystick event or auxillary event for higher number buttons for each state change
1684         buttonstate = ji.dwButtons;
1685         for (i=0 ; i < (int) joy_numbuttons ; i++)
1686         {
1687                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1688                 {
1689                         key_index = (i < 16) ? K_JOY1 : K_AUX1;
1690                         Key_Event (key_index + i, 0, true);
1691                 }
1692
1693                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1694                 {
1695                         key_index = (i < 16) ? K_JOY1 : K_AUX1;
1696                         Key_Event (key_index + i, 0, false);
1697                 }
1698         }
1699         joy_oldbuttonstate = buttonstate;
1700
1701         if (joy_haspov)
1702         {
1703                 // convert POV information into 4 bits of state information
1704                 // this avoids any potential problems related to moving from one
1705                 // direction to another without going through the center position
1706                 povstate = 0;
1707                 if(ji.dwPOV != JOY_POVCENTERED)
1708                 {
1709                         if (ji.dwPOV == JOY_POVFORWARD)
1710                                 povstate |= 0x01;
1711                         if (ji.dwPOV == JOY_POVRIGHT)
1712                                 povstate |= 0x02;
1713                         if (ji.dwPOV == JOY_POVBACKWARD)
1714                                 povstate |= 0x04;
1715                         if (ji.dwPOV == JOY_POVLEFT)
1716                                 povstate |= 0x08;
1717                 }
1718                 // determine which bits have changed and key an auxillary event for each change
1719                 for (i=0 ; i < 4 ; i++)
1720                 {
1721                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1722                         {
1723                                 Key_Event (K_AUX29 + i, 0, true);
1724                         }
1725
1726                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1727                         {
1728                                 Key_Event (K_AUX29 + i, 0, false);
1729                         }
1730                 }
1731                 joy_oldpovstate = povstate;
1732         }
1733 }
1734
1735
1736 /*
1737 ===============
1738 IN_ReadJoystick
1739 ===============
1740 */
1741 qboolean IN_ReadJoystick (void)
1742 {
1743
1744         memset (&ji, 0, sizeof(ji));
1745         ji.dwSize = sizeof(ji);
1746         ji.dwFlags = joy_flags;
1747
1748         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1749         {
1750                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1751                 // rather than having 32768 be the zero point, they have the zero point at 32668
1752                 // go figure -- anyway, now we get the full resolution out of the device
1753                 if (joy_wwhack1.integer != 0.0)
1754                 {
1755                         ji.dwUpos += 100;
1756                 }
1757                 return true;
1758         }
1759         else
1760         {
1761                 // read error occurred
1762                 // turning off the joystick seems too harsh for 1 read error,
1763                 // but what should be done?
1764                 return false;
1765         }
1766 }
1767
1768
1769 /*
1770 ===========
1771 IN_JoyMove
1772 ===========
1773 */
1774 void IN_JoyMove (usercmd_t *cmd)
1775 {
1776         float   speed, aspeed;
1777         float   fAxisValue, fTemp;
1778         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1779
1780         // complete initialization if first time in
1781         // this is needed as cvars are not available at initialization time
1782         if( joy_advancedinit != true )
1783         {
1784                 Joy_AdvancedUpdate_f();
1785                 joy_advancedinit = true;
1786         }
1787
1788         // verify joystick is available and that the user wants to use it
1789         if (!joy_avail || !in_joystick.integer)
1790         {
1791                 return;
1792         }
1793
1794         // collect the joystick data, if possible
1795         if (IN_ReadJoystick () != true)
1796         {
1797                 return;
1798         }
1799
1800         if (in_speed.state & 1)
1801                 speed = cl_movespeedkey.value;
1802         else
1803                 speed = 1;
1804         // LordHavoc: viewzoom affects sensitivity for sniping
1805         aspeed = speed * host_realframetime * cl.viewzoom;
1806
1807         // loop through the axes
1808         for (i = 0; i < JOY_MAX_AXES; i++)
1809         {
1810                 // get the floating point zero-centered, potentially-inverted data for the current axis
1811                 fAxisValue = (float) *pdwRawValue[i];
1812                 // move centerpoint to zero
1813                 fAxisValue -= 32768.0;
1814
1815                 if (joy_wwhack2.integer != 0.0)
1816                 {
1817                         if (dwAxisMap[i] == AxisTurn)
1818                         {
1819                                 // this is a special formula for the Logitech WingMan Warrior
1820                                 // y=ax^b; where a = 300 and b = 1.3
1821                                 // also x values are in increments of 800 (so this is factored out)
1822                                 // then bounds check result to level out excessively high spin rates
1823                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1824                                 if (fTemp > 14000.0)
1825                                         fTemp = 14000.0;
1826                                 // restore direction information
1827                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1828                         }
1829                 }
1830
1831                 // convert range from -32768..32767 to -1..1
1832                 fAxisValue /= 32768.0;
1833
1834                 switch (dwAxisMap[i])
1835                 {
1836                 case AxisForward:
1837                         if ((joy_advanced.integer == 0) && mouselook)
1838                         {
1839                                 // user wants forward control to become look control
1840                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1841                                 {
1842                                         // if mouse invert is on, invert the joystick pitch value
1843                                         // only absolute control support here (joy_advanced is false)
1844                                         if (m_pitch.value < 0.0)
1845                                         {
1846                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1847                                         }
1848                                         else
1849                                         {
1850                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1851                                         }
1852                                         V_StopPitchDrift();
1853                                 }
1854                                 else
1855                                 {
1856                                         // no pitch movement
1857                                         // disable pitch return-to-center unless requested by user
1858                                         // *** this code can be removed when the lookspring bug is fixed
1859                                         // *** the bug always has the lookspring feature on
1860                                         if(lookspring.value == 0.0)
1861                                                 V_StopPitchDrift();
1862                                 }
1863                         }
1864                         else
1865                         {
1866                                 // user wants forward control to be forward control
1867                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1868                                 {
1869                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1870                                 }
1871                         }
1872                         break;
1873
1874                 case AxisSide:
1875                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1876                         {
1877                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1878                         }
1879                         break;
1880
1881                 case AxisTurn:
1882                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1883                         {
1884                                 // user wants turn control to become side control
1885                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1886                                 {
1887                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1888                                 }
1889                         }
1890                         else
1891                         {
1892                                 // user wants turn control to be turn control
1893                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1894                                 {
1895                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1896                                         {
1897                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1898                                         }
1899                                         else
1900                                         {
1901                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1902                                         }
1903
1904                                 }
1905                         }
1906                         break;
1907
1908                 case AxisLook:
1909                         if (mouselook)
1910                         {
1911                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1912                                 {
1913                                         // pitch movement detected and pitch movement desired by user
1914                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1915                                         {
1916                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1917                                         }
1918                                         else
1919                                         {
1920                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1921                                         }
1922                                         V_StopPitchDrift();
1923                                 }
1924                                 else
1925                                 {
1926                                         // no pitch movement
1927                                         // disable pitch return-to-center unless requested by user
1928                                         // *** this code can be removed when the lookspring bug is fixed
1929                                         // *** the bug always has the lookspring feature on
1930                                         if(lookspring.integer == 0)
1931                                                 V_StopPitchDrift();
1932                                 }
1933                         }
1934                         break;
1935
1936                 default:
1937                         break;
1938                 }
1939         }
1940 }
1941
1942 static void IN_Init(void)
1943 {
1944         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1945
1946         // joystick variables
1947         Cvar_RegisterVariable (&in_joystick);
1948         Cvar_RegisterVariable (&joy_name);
1949         Cvar_RegisterVariable (&joy_advanced);
1950         Cvar_RegisterVariable (&joy_advaxisx);
1951         Cvar_RegisterVariable (&joy_advaxisy);
1952         Cvar_RegisterVariable (&joy_advaxisz);
1953         Cvar_RegisterVariable (&joy_advaxisr);
1954         Cvar_RegisterVariable (&joy_advaxisu);
1955         Cvar_RegisterVariable (&joy_advaxisv);
1956         Cvar_RegisterVariable (&joy_forwardthreshold);
1957         Cvar_RegisterVariable (&joy_sidethreshold);
1958         Cvar_RegisterVariable (&joy_pitchthreshold);
1959         Cvar_RegisterVariable (&joy_yawthreshold);
1960         Cvar_RegisterVariable (&joy_forwardsensitivity);
1961         Cvar_RegisterVariable (&joy_sidesensitivity);
1962         Cvar_RegisterVariable (&joy_pitchsensitivity);
1963         Cvar_RegisterVariable (&joy_yawsensitivity);
1964         Cvar_RegisterVariable (&joy_wwhack1);
1965         Cvar_RegisterVariable (&joy_wwhack2);
1966         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1967 }
1968
1969 static void IN_Shutdown(void)
1970 {
1971         IN_DeactivateMouse ();
1972         IN_ShowMouse ();
1973
1974         if (g_pMouse)
1975                 IDirectInputDevice_Release(g_pMouse);
1976         g_pMouse = NULL;
1977
1978         if (g_pdi)
1979                 IDirectInput_Release(g_pdi);
1980         g_pdi = NULL;
1981 }