added COMMANDLINEOPTION comments for every commandline option, these will be listed...
[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 extern qboolean mouseactive;  // from in_win.c
83 static HICON hIcon;
84
85 HWND mainwindow;
86
87 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
88
89 static int vid_isfullscreen;
90
91 //void VID_MenuDraw (void);
92 //void VID_MenuKey (int key);
93
94 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
95 //void AppActivate(BOOL fActive, BOOL minimize);
96 //void ClearAllStates (void);
97 //void VID_UpdateWindowStatus (void);
98
99 //====================================
100
101 int window_x, window_y, window_width, window_height;
102 int window_center_x, window_center_y;
103
104 void IN_ShowMouse (void);
105 void IN_DeactivateMouse (void);
106 void IN_HideMouse (void);
107 void IN_ActivateMouse (void);
108 void IN_MouseEvent (int mstate);
109 void IN_UpdateClipCursor (void);
110
111 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 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
122         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
123
124 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
125 /* backslash :: imouse explorer buttons */
126 /* These are #ifdefed out for non-Win2K in the February 2001 version of
127    MS's platform SDK, but we need them for compilation. . . */
128 #ifndef WM_XBUTTONDOWN
129    #define WM_XBUTTONDOWN      0x020B
130    #define WM_XBUTTONUP      0x020C
131 #endif
132 #ifndef MK_XBUTTON1
133    #define MK_XBUTTON1         0x0020
134    #define MK_XBUTTON2         0x0040
135 // LordHavoc: lets hope this allows more buttons in the future...
136    #define MK_XBUTTON3         0x0080
137    #define MK_XBUTTON4         0x0100
138    #define MK_XBUTTON5         0x0200
139    #define MK_XBUTTON6         0x0400
140    #define MK_XBUTTON7         0x0800
141 #endif
142 /* :: backslash */
143
144 // mouse variables
145 int                     mouse_buttons;
146 int                     mouse_oldbuttonstate;
147 POINT           current_pos;
148 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
149
150 static qboolean restore_spi;
151 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
152
153 unsigned int uiWheelMessage;
154 qboolean        mouseactive;
155 //qboolean              mouseinitialized;
156 static qboolean mouseparmsvalid, mouseactivatetoggle;
157 static qboolean mouseshowtoggle = 1;
158 static qboolean dinput_acquired;
159
160 static unsigned int             mstate_di;
161
162 // joystick defines and variables
163 // where should defines be moved?
164 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
165 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
166 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
167 #define JOY_AXIS_X                      0
168 #define JOY_AXIS_Y                      1
169 #define JOY_AXIS_Z                      2
170 #define JOY_AXIS_R                      3
171 #define JOY_AXIS_U                      4
172 #define JOY_AXIS_V                      5
173
174 enum _ControlList
175 {
176         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
177 };
178
179 DWORD   dwAxisFlags[JOY_MAX_AXES] =
180 {
181         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
182 };
183
184 DWORD   dwAxisMap[JOY_MAX_AXES];
185 DWORD   dwControlMap[JOY_MAX_AXES];
186 PDWORD  pdwRawValue[JOY_MAX_AXES];
187
188 // none of these cvars are saved over a session
189 // this means that advanced controller configuration needs to be executed
190 // each time.  this avoids any problems with getting back to a default usage
191 // or when changing from one controller to another.  this way at least something
192 // works.
193 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
194 cvar_t  joy_name = {0, "joyname", "joystick"};
195 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
196 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
197 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
198 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
199 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
200 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
201 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
202 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
203 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
204 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
205 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
206 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
207 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
208 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
209 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
210 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
211 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
212
213 qboolean        joy_avail, joy_advancedinit, joy_haspov;
214 DWORD           joy_oldbuttonstate, joy_oldpovstate;
215
216 int                     joy_id;
217 DWORD           joy_flags;
218 DWORD           joy_numbuttons;
219
220 static LPDIRECTINPUT            g_pdi;
221 static LPDIRECTINPUTDEVICE      g_pMouse;
222
223 static JOYINFOEX        ji;
224
225 static HINSTANCE hInstDI;
226
227 //static qboolean       dinput;
228
229 typedef struct MYDATA {
230         LONG  lX;                   // X axis goes here
231         LONG  lY;                   // Y axis goes here
232         LONG  lZ;                   // Z axis goes here
233         BYTE  bButtonA;             // One button goes here
234         BYTE  bButtonB;             // Another button goes here
235         BYTE  bButtonC;             // Another button goes here
236         BYTE  bButtonD;             // Another button goes here
237 } MYDATA;
238
239 static DIOBJECTDATAFORMAT rgodf[] = {
240   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
241   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
242   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
243   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
244   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
245   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
246   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
247 };
248
249 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
250
251 static DIDATAFORMAT     df = {
252         sizeof(DIDATAFORMAT),       // this structure
253         sizeof(DIOBJECTDATAFORMAT), // size of object data format
254         DIDF_RELAXIS,               // absolute axis coordinates
255         sizeof(MYDATA),             // device data size
256         NUM_OBJECTS,                // number of objects
257         rgodf,                      // and here they are
258 };
259
260 // forward-referenced functions
261 void IN_StartupJoystick (void);
262 void Joy_AdvancedUpdate_f (void);
263 void IN_JoyMove (usercmd_t *cmd);
264 void IN_StartupMouse (void);
265
266 /*
267 ================
268 VID_UpdateWindowStatus
269 ================
270 */
271 void VID_UpdateWindowStatus (void)
272 {
273         window_center_x = window_x + window_width / 2;
274         window_center_y = window_y + window_height / 2;
275
276         if (mouseinitialized && mouseactive && !dinput)
277         {
278                 RECT window_rect;
279                 window_rect.left = window_x;
280                 window_rect.top = window_y;
281                 window_rect.right = window_x + window_width;
282                 window_rect.bottom = window_y + window_height;
283                 ClipCursor (&window_rect);
284         }
285 }
286
287
288 //====================================
289
290 /*
291 =================
292 VID_GetWindowSize
293 =================
294 */
295 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
296 {
297         *x = 0;
298         *y = 0;
299         *width = window_width;
300         *height = window_height;
301 }
302
303
304 void VID_Finish (void)
305 {
306         HDC hdc;
307         int vid_usemouse;
308         static int      old_vsync       = -1;
309
310         if (old_vsync != vid_vsync.integer)
311         {
312                 old_vsync = bound(0, vid_vsync.integer, 1);
313                 Cvar_SetValueQuick(&vid_vsync, old_vsync);
314                 if (gl_videosyncavailable)
315                         qwglSwapIntervalEXT (old_vsync);
316         }
317
318         if (r_render.integer && !scr_skipupdate)
319         {
320                 if (r_speeds.integer || gl_finish.integer)
321                         qglFinish();
322                 hdc = GetDC(mainwindow);
323                 SwapBuffers(hdc);
324                 ReleaseDC(mainwindow, hdc);
325         }
326
327 // handle the mouse state when windowed if that's changed
328         vid_usemouse = false;
329         if (vid_mouse.integer && !key_consoleactive)
330                 vid_usemouse = true;
331         if (vid_isfullscreen)
332                 vid_usemouse = true;
333         if (!vid_activewindow)
334                 vid_usemouse = false;
335         if (vid_usemouse)
336         {
337                 if (!vid_usingmouse)
338                 {
339                         vid_usingmouse = true;
340                         IN_ActivateMouse ();
341                         IN_HideMouse();
342                 }
343         }
344         else
345         {
346                 if (vid_usingmouse)
347                 {
348                         vid_usingmouse = false;
349                         IN_DeactivateMouse ();
350                         IN_ShowMouse();
351                 }
352         }
353 }
354
355 //==========================================================================
356
357
358
359
360 qbyte scantokey[128] =
361 {
362 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
363         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
364         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
365         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
366         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
367         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
368         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
369         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
370         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
371 };
372
373
374 /*
375 =======
376 MapKey
377
378 Map from windows to quake keynums
379 =======
380 */
381 int MapKey (int key, int virtualkey)
382 {
383         int result;
384         int modified = (key >> 16) & 255;
385         qboolean is_extended = false;
386
387         if (modified < 128 && scantokey[modified])
388                 result = scantokey[modified];
389         else
390         {
391                 result = 0;
392                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
393         }
394
395         if (key & (1 << 24))
396                 is_extended = true;
397
398         if ( !is_extended )
399         {
400                 switch ( result )
401                 {
402                 case K_HOME:
403                         return K_KP_HOME;
404                 case K_UPARROW:
405                         return K_KP_UPARROW;
406                 case K_PGUP:
407                         return K_KP_PGUP;
408                 case K_LEFTARROW:
409                         return K_KP_LEFTARROW;
410                 case K_RIGHTARROW:
411                         return K_KP_RIGHTARROW;
412                 case K_END:
413                         return K_KP_END;
414                 case K_DOWNARROW:
415                         return K_KP_DOWNARROW;
416                 case K_PGDN:
417                         return K_KP_PGDN;
418                 case K_INS:
419                         return K_KP_INS;
420                 case K_DEL:
421                         return K_KP_DEL;
422                 default:
423                         return result;
424                 }
425         }
426         else
427         {
428                 switch ( result )
429                 {
430                 case 0x0D:
431                         return K_KP_ENTER;
432                 case 0x2F:
433                         return K_KP_SLASH;
434                 case 0xAF:
435                         return K_KP_PLUS;
436                 }
437                 return result;
438         }
439 }
440
441 /*
442 ===================================================================
443
444 MAIN WINDOW
445
446 ===================================================================
447 */
448
449 /*
450 ================
451 ClearAllStates
452 ================
453 */
454 void ClearAllStates (void)
455 {
456         Key_ClearStates ();
457         IN_ClearStates ();
458 }
459
460 extern qboolean host_loopactive;
461
462 void AppActivate(BOOL fActive, BOOL minimize)
463 /****************************************************************************
464 *
465 * Function:     AppActivate
466 * Parameters:   fActive - True if app is activating
467 *
468 * Description:  If the application is activating, then swap the system
469 *               into SYSPAL_NOSTATIC mode so that our palettes will display
470 *               correctly.
471 *
472 ****************************************************************************/
473 {
474         static BOOL     sound_active;
475
476         vid_activewindow = fActive;
477         vid_hidden = minimize;
478
479 // enable/disable sound on focus gain/loss
480         if (!vid_activewindow && sound_active)
481         {
482                 S_BlockSound ();
483                 sound_active = false;
484         }
485         else if (vid_activewindow && !sound_active)
486         {
487                 S_UnblockSound ();
488                 sound_active = true;
489         }
490
491         if (fActive)
492         {
493                 if (vid_isfullscreen)
494                 {
495                         if (vid_wassuspended)
496                         {
497                                 vid_wassuspended = false;
498                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
499                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
500                         }
501
502                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
503                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
504                 }
505         }
506
507         if (!fActive)
508         {
509                 vid_usingmouse = false;
510                 IN_DeactivateMouse ();
511                 IN_ShowMouse ();
512                 if (vid_isfullscreen)
513                 {
514                         ChangeDisplaySettings (NULL, 0);
515                         vid_wassuspended = true;
516                 }
517                 VID_RestoreSystemGamma();
518         }
519 }
520
521 //TODO: move it around in vid_wgl.c since I dont think this is the right position
522 void Sys_SendKeyEvents (void)
523 {
524         MSG msg;
525
526         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
527         {
528         // we always update if there are any event, even if we're paused
529                 scr_skipupdate = 0;
530
531                 if (!GetMessage (&msg, NULL, 0, 0))
532                         Sys_Quit ();
533
534                 TranslateMessage (&msg);
535                 DispatchMessage (&msg);
536         }
537 }
538
539 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
540
541 /* main window procedure */
542 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
543 {
544         LONG    lRet = 1;
545         int             fActive, fMinimized, temp;
546         char    state[256];
547         char    asciichar[4];
548         int             vkey;
549         qboolean down = false;
550
551         extern unsigned int uiWheelMessage;
552
553         if ( uMsg == uiWheelMessage )
554                 uMsg = WM_MOUSEWHEEL;
555
556         switch (uMsg)
557         {
558                 case WM_KILLFOCUS:
559                         if (vid_isfullscreen)
560                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
561                         break;
562
563                 case WM_CREATE:
564                         break;
565
566                 case WM_MOVE:
567                         window_x = (int) LOWORD(lParam);
568                         window_y = (int) HIWORD(lParam);
569                         VID_UpdateWindowStatus ();
570                         break;
571         
572                 case WM_KEYDOWN:
573                 case WM_SYSKEYDOWN:
574                         down = true;
575                 case WM_KEYUP:
576                 case WM_SYSKEYUP:
577                         vkey = MapKey(lParam, wParam);
578                         GetKeyboardState (state);
579                         // alt/ctrl/shift tend to produce funky ToAscii values,
580                         // and if it's not a single character we don't know care about it
581                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
582                                 asciichar[0] = 0;
583                         Key_Event (vkey, asciichar[0], down);
584                         break;
585
586                 case WM_SYSCHAR:
587                 // keep Alt-Space from happening
588                         break;
589
590         // this is complicated because Win32 seems to pack multiple mouse events into
591         // one update sometimes, so we always check all states and look for events
592                 case WM_LBUTTONDOWN:
593                 case WM_LBUTTONUP:
594                 case WM_RBUTTONDOWN:
595                 case WM_RBUTTONUP:
596                 case WM_MBUTTONDOWN:
597                 case WM_MBUTTONUP:
598                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
599                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
600                 case WM_MOUSEMOVE:
601                         temp = 0;
602
603                         if (wParam & MK_LBUTTON)
604                                 temp |= 1;
605
606                         if (wParam & MK_RBUTTON)
607                                 temp |= 2;
608
609                         if (wParam & MK_MBUTTON)
610                                 temp |= 4;
611
612                         /* backslash :: imouse explorer buttons */
613                         if (wParam & MK_XBUTTON1)
614                                 temp |= 8;
615
616                         if (wParam & MK_XBUTTON2)
617                                 temp |= 16;
618                         /* :: backslash */
619
620                         // LordHavoc: lets hope this allows more buttons in the future...
621                         if (wParam & MK_XBUTTON3)
622                                 temp |= 32;
623                         if (wParam & MK_XBUTTON4)
624                                 temp |= 64;
625                         if (wParam & MK_XBUTTON5)
626                                 temp |= 128;
627                         if (wParam & MK_XBUTTON6)
628                                 temp |= 256;
629                         if (wParam & MK_XBUTTON7)
630                                 temp |= 512;
631
632                         IN_MouseEvent (temp);
633
634                         break;
635
636                 // JACK: This is the mouse wheel with the Intellimouse
637                 // Its delta is either positive or neg, and we generate the proper
638                 // Event.
639                 case WM_MOUSEWHEEL:
640                         if ((short) HIWORD(wParam) > 0) {
641                                 Key_Event(K_MWHEELUP, 0, true);
642                                 Key_Event(K_MWHEELUP, 0, false);
643                         } else {
644                                 Key_Event(K_MWHEELDOWN, 0, true);
645                                 Key_Event(K_MWHEELDOWN, 0, false);
646                         }
647                         break;
648
649                 case WM_SIZE:
650                         break;
651
652                 case WM_CLOSE:
653                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
654                                 Sys_Quit ();
655
656                         break;
657
658                 case WM_ACTIVATE:
659                         fActive = LOWORD(wParam);
660                         fMinimized = (BOOL) HIWORD(wParam);
661                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
662
663                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
664                         ClearAllStates ();
665
666                         break;
667
668                 //case WM_DESTROY:
669                 //      PostQuitMessage (0);
670                 //      break;
671
672                 case MM_MCINOTIFY:
673                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
674                         break;
675
676                 default:
677                         /* pass all unhandled messages to DefWindowProc */
678                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
679                 break;
680         }
681
682         /* return 1 if handled message, 0 if not */
683         return lRet;
684 }
685
686 int VID_SetGamma(unsigned short *ramps)
687 {
688         HDC hdc = GetDC (NULL);
689         int i = SetDeviceGammaRamp(hdc, ramps);
690         ReleaseDC (NULL, hdc);
691         return i; // return success or failure
692 }
693
694 int VID_GetGamma(unsigned short *ramps)
695 {
696         HDC hdc = GetDC (NULL);
697         int i = GetDeviceGammaRamp(hdc, ramps);
698         ReleaseDC (NULL, hdc);
699         return i; // return success or failure
700 }
701
702 static HINSTANCE gldll;
703
704 int GL_OpenLibrary(const char *name)
705 {
706         Con_Printf("Loading OpenGL driver %s\n", name);
707         GL_CloseLibrary();
708         if (!(gldll = LoadLibrary(name)))
709         {
710                 Con_Printf("Unable to LoadLibrary %s\n", name);
711                 return false;
712         }
713         strcpy(gl_driver, name);
714         return true;
715 }
716
717 void GL_CloseLibrary(void)
718 {
719         FreeLibrary(gldll);
720         gldll = 0;
721         gl_driver[0] = 0;
722         qwglGetProcAddress = NULL;
723         gl_extensions = "";
724         gl_platform = "";
725         gl_platformextensions = "";
726 }
727
728 void *GL_GetProcAddress(const char *name)
729 {
730         void *p = NULL;
731         if (qwglGetProcAddress != NULL)
732                 p = (void *) qwglGetProcAddress(name);
733         if (p == NULL)
734                 p = (void *) GetProcAddress(gldll, name);
735         return p;
736 }
737
738 static void IN_Init(void);
739 void VID_Init(void)
740 {
741         WNDCLASS wc;
742
743         InitCommonControls();
744         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
745
746         // Register the frame class
747         wc.style         = 0;
748         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
749         wc.cbClsExtra    = 0;
750         wc.cbWndExtra    = 0;
751         wc.hInstance     = global_hInstance;
752         wc.hIcon         = hIcon;
753         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
754         wc.hbrBackground = NULL;
755         wc.lpszMenuName  = 0;
756         wc.lpszClassName = "DarkPlacesWindowClass";
757
758         if (!RegisterClass (&wc))
759                 Sys_Error("Couldn't register window class\n");
760
761         IN_Init();
762 }
763
764 int VID_InitMode (int fullscreen, int width, int height, int bpp)
765 {
766         int i;
767         HDC hdc;
768         RECT rect;
769         MSG msg;
770         PIXELFORMATDESCRIPTOR pfd =
771         {
772                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
773                 1,                              // version number
774                 PFD_DRAW_TO_WINDOW              // support window
775                 |  PFD_SUPPORT_OPENGL   // support OpenGL
776                 |  PFD_DOUBLEBUFFER ,   // double buffered
777                 PFD_TYPE_RGBA,                  // RGBA type
778                 24,                             // 24-bit color depth
779                 0, 0, 0, 0, 0, 0,               // color bits ignored
780                 0,                              // no alpha buffer
781                 0,                              // shift bit ignored
782                 0,                              // no accumulation buffer
783                 0, 0, 0, 0,                     // accum bits ignored
784                 32,                             // 32-bit z-buffer
785                 0,                              // no stencil buffer
786                 0,                              // no auxiliary buffer
787                 PFD_MAIN_PLANE,                 // main layer
788                 0,                              // reserved
789                 0, 0, 0                         // layer masks ignored
790         };
791         int pixelformat;
792         DWORD WindowStyle, ExWindowStyle;
793         HGLRC baseRC;
794         int CenterX, CenterY;
795         const char *gldrivername;
796         int depth;
797
798         if (vid_initialized)
799                 Sys_Error("VID_InitMode called when video is already initialised\n");
800
801         // if stencil is enabled, ask for alpha too
802         if (bpp >= 32)
803         {
804                 pfd.cStencilBits = 8;
805                 pfd.cAlphaBits = 8;
806         }
807         else
808         {
809                 pfd.cStencilBits = 0;
810                 pfd.cAlphaBits = 0;
811         }
812
813         gldrivername = "opengl32.dll";
814 // COMMANDLINEOPTION: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1 (Linux/BSD) or opengl32.dll (windows) or /usr/X11R6/lib/libGL.1.dylib (MacOSX), if you don't know what this is for, you don't need it
815         i = COM_CheckParm("-gl_driver");
816         if (i && i < com_argc - 1)
817                 gldrivername = com_argv[i + 1];
818         if (!GL_OpenLibrary(gldrivername))
819         {
820                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
821                 return false;
822         }
823
824         memset(&gdevmode, 0, sizeof(gdevmode));
825
826         vid_isfullscreen = false;
827         if (fullscreen)
828         {
829                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
830                 gdevmode.dmBitsPerPel = bpp;
831                 gdevmode.dmPelsWidth = width;
832                 gdevmode.dmPelsHeight = height;
833                 gdevmode.dmSize = sizeof (gdevmode);
834                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
835                 {
836                         VID_Shutdown();
837                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
838                         return false;
839                 }
840
841                 vid_isfullscreen = true;
842                 WindowStyle = WS_POPUP;
843                 ExWindowStyle = WS_EX_TOPMOST;
844         }
845         else
846         {
847                 hdc = GetDC (NULL);
848                 i = GetDeviceCaps(hdc, RASTERCAPS);
849                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
850                 ReleaseDC (NULL, hdc);
851                 if (i & RC_PALETTE)
852                 {
853                         VID_Shutdown();
854                         Con_Print("Can't run in non-RGB mode\n");
855                         return false;
856                 }
857                 if (bpp > depth)
858                 {
859                         VID_Shutdown();
860                         Con_Print("A higher desktop depth is required to run this video mode\n");
861                         return false;
862                 }
863
864                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
865                 ExWindowStyle = 0;
866         }
867
868         rect.top = 0;
869         rect.left = 0;
870         rect.right = width;
871         rect.bottom = height;
872         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
873
874         if (fullscreen)
875         {
876                 CenterX = 0;
877                 CenterY = 0;
878         }
879         else
880         {
881                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
882                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
883         }
884         CenterX = max(0, CenterX);
885         CenterY = max(0, CenterY);
886
887         // x and y may be changed by WM_MOVE messages
888         window_x = CenterX;
889         window_y = CenterY;
890         window_width = width;
891         window_height = height;
892         rect.left += CenterX;
893         rect.right += CenterX;
894         rect.top += CenterY;
895         rect.bottom += CenterY;
896
897         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
898         if (!mainwindow)
899         {
900                 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);
901                 VID_Shutdown();
902                 return false;
903         }
904
905         /*
906         if (!fullscreen)
907                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
908         */
909
910         ShowWindow (mainwindow, SW_SHOWDEFAULT);
911         UpdateWindow (mainwindow);
912
913         VID_UpdateWindowStatus ();
914
915         // now we try to make sure we get the focus on the mode switch, because
916         // sometimes in some systems we don't.  We grab the foreground, then
917         // finish setting up, pump all our messages, and sleep for a little while
918         // to let messages finish bouncing around the system, then we put
919         // ourselves at the top of the z order, then grab the foreground again,
920         // Who knows if it helps, but it probably doesn't hurt
921         SetForegroundWindow (mainwindow);
922
923         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
924         {
925                 TranslateMessage (&msg);
926                 DispatchMessage (&msg);
927         }
928
929         Sleep (100);
930
931         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
932
933         SetForegroundWindow (mainwindow);
934
935         // fix the leftover Alt from any Alt-Tab or the like that switched us away
936         ClearAllStates ();
937
938         hdc = GetDC(mainwindow);
939
940         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
941         {
942                 VID_Shutdown();
943                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
944                 return false;
945         }
946
947         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
948         {
949                 VID_Shutdown();
950                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
951                 return false;
952         }
953
954         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
955         {
956                 VID_Shutdown();
957                 Con_Print("wgl functions not found\n");
958                 return false;
959         }
960
961         baseRC = qwglCreateContext(hdc);
962         if (!baseRC)
963         {
964                 VID_Shutdown();
965                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
966                 return false;
967         }
968         if (!qwglMakeCurrent(hdc, baseRC))
969         {
970                 VID_Shutdown();
971                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
972                 return false;
973         }
974
975         qglGetString = GL_GetProcAddress("glGetString");
976         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
977         if (qglGetString == NULL)
978         {
979                 VID_Shutdown();
980                 Con_Print("glGetString not found\n");
981                 return false;
982         }
983         gl_renderer = qglGetString(GL_RENDERER);
984         gl_vendor = qglGetString(GL_VENDOR);
985         gl_version = qglGetString(GL_VERSION);
986         gl_extensions = qglGetString(GL_EXTENSIONS);
987         gl_platform = "WGL";
988         gl_platformextensions = "";
989
990         gl_videosyncavailable = false;
991
992         if (qwglGetExtensionsStringARB)
993                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
994
995 // COMMANDLINEOPTION: -novideosync disables WGL_EXT_swap_control (required for video sync control on WGL)
996         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
997         ReleaseDC(mainwindow, hdc);
998
999         GL_Init ();
1000
1001         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1002         if (strncasecmp(gl_vendor,"ATI",3)==0)
1003         {
1004                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1005                         isRagePro = true;
1006         }
1007         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1008                 isG200 = true;
1009
1010         //vid_menudrawfn = VID_MenuDraw;
1011         //vid_menukeyfn = VID_MenuKey;
1012         vid_hidden = false;
1013         vid_initialized = true;
1014
1015         IN_StartupMouse ();
1016         IN_StartupJoystick ();
1017
1018         return true;
1019 }
1020
1021 static void IN_Shutdown(void);
1022 void VID_Shutdown (void)
1023 {
1024         HGLRC hRC = 0;
1025         HDC hDC = 0;
1026
1027         if(vid_initialized == false)
1028                 return;
1029
1030         VID_RestoreSystemGamma();
1031
1032         vid_initialized = false;
1033         IN_Shutdown();
1034         if (qwglGetCurrentContext)
1035                 hRC = qwglGetCurrentContext();
1036         if (qwglGetCurrentDC)
1037                 hDC = qwglGetCurrentDC();
1038         if (qwglMakeCurrent)
1039                 qwglMakeCurrent(NULL, NULL);
1040         if (hRC && qwglDeleteContext)
1041                 qwglDeleteContext(hRC);
1042         // close the library before we get rid of the window
1043         GL_CloseLibrary();
1044         if (hDC && mainwindow)
1045                 ReleaseDC(mainwindow, hDC);
1046         AppActivate(false, false);
1047         if (mainwindow)
1048                 DestroyWindow(mainwindow);
1049         mainwindow = 0;
1050         if (vid_isfullscreen)
1051                 ChangeDisplaySettings (NULL, 0);
1052         vid_isfullscreen = false;
1053 }
1054
1055
1056 /*
1057 ===========
1058 IN_ShowMouse
1059 ===========
1060 */
1061 void IN_ShowMouse (void)
1062 {
1063         if (!mouseshowtoggle)
1064         {
1065                 ShowCursor (true);
1066                 mouseshowtoggle = 1;
1067         }
1068 }
1069
1070
1071 /*
1072 ===========
1073 IN_HideMouse
1074 ===========
1075 */
1076 void IN_HideMouse (void)
1077 {
1078         if (mouseshowtoggle)
1079         {
1080                 ShowCursor (false);
1081                 mouseshowtoggle = 0;
1082         }
1083 }
1084
1085
1086 /*
1087 ===========
1088 IN_ActivateMouse
1089 ===========
1090 */
1091 void IN_ActivateMouse (void)
1092 {
1093
1094         mouseactivatetoggle = true;
1095
1096         if (mouseinitialized)
1097         {
1098                 if (dinput)
1099                 {
1100                         if (g_pMouse)
1101                         {
1102                                 if (!dinput_acquired)
1103                                 {
1104                                         IDirectInputDevice_Acquire(g_pMouse);
1105                                         dinput_acquired = true;
1106                                 }
1107                         }
1108                         else
1109                         {
1110                                 return;
1111                         }
1112                 }
1113                 else
1114                 {
1115                         RECT window_rect;
1116                         window_rect.left = window_x;
1117                         window_rect.top = window_y;
1118                         window_rect.right = window_x + window_width;
1119                         window_rect.bottom = window_y + window_height;
1120
1121                         if (mouseparmsvalid)
1122                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1123
1124                         SetCursorPos (window_center_x, window_center_y);
1125                         SetCapture (mainwindow);
1126                         ClipCursor (&window_rect);
1127                 }
1128
1129                 mouseactive = true;
1130         }
1131 }
1132
1133
1134 /*
1135 ===========
1136 IN_DeactivateMouse
1137 ===========
1138 */
1139 void IN_DeactivateMouse (void)
1140 {
1141
1142         mouseactivatetoggle = false;
1143
1144         if (mouseinitialized)
1145         {
1146                 if (dinput)
1147                 {
1148                         if (g_pMouse)
1149                         {
1150                                 if (dinput_acquired)
1151                                 {
1152                                         IDirectInputDevice_Unacquire(g_pMouse);
1153                                         dinput_acquired = false;
1154                                 }
1155                         }
1156                 }
1157                 else
1158                 {
1159                         if (restore_spi)
1160                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1161
1162                         ClipCursor (NULL);
1163                         ReleaseCapture ();
1164                 }
1165
1166                 mouseactive = false;
1167         }
1168 }
1169
1170
1171 /*
1172 ===========
1173 IN_InitDInput
1174 ===========
1175 */
1176 qboolean IN_InitDInput (void)
1177 {
1178     HRESULT             hr;
1179         DIPROPDWORD     dipdw = {
1180                 {
1181                         sizeof(DIPROPDWORD),        // diph.dwSize
1182                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1183                         0,                          // diph.dwObj
1184                         DIPH_DEVICE,                // diph.dwHow
1185                 },
1186                 DINPUT_BUFFERSIZE,              // dwData
1187         };
1188
1189         if (!hInstDI)
1190         {
1191                 hInstDI = LoadLibrary("dinput.dll");
1192
1193                 if (hInstDI == NULL)
1194                 {
1195                         Con_SafePrint("Couldn't load dinput.dll\n");
1196                         return false;
1197                 }
1198         }
1199
1200         if (!pDirectInputCreate)
1201         {
1202                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1203
1204                 if (!pDirectInputCreate)
1205                 {
1206                         Con_SafePrint("Couldn't get DI proc addr\n");
1207                         return false;
1208                 }
1209         }
1210
1211 // register with DirectInput and get an IDirectInput to play with.
1212         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1213
1214         if (FAILED(hr))
1215         {
1216                 return false;
1217         }
1218
1219 // obtain an interface to the system mouse device.
1220         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1221
1222         if (FAILED(hr))
1223         {
1224                 Con_SafePrint("Couldn't open DI mouse device\n");
1225                 return false;
1226         }
1227
1228 // set the data format to "mouse format".
1229         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1230
1231         if (FAILED(hr))
1232         {
1233                 Con_SafePrint("Couldn't set DI mouse format\n");
1234                 return false;
1235         }
1236
1237 // set the cooperativity level.
1238         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1239                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1240
1241         if (FAILED(hr))
1242         {
1243                 Con_SafePrint("Couldn't set DI coop level\n");
1244                 return false;
1245         }
1246
1247
1248 // set the buffer size to DINPUT_BUFFERSIZE elements.
1249 // the buffer size is a DWORD property associated with the device
1250         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1251
1252         if (FAILED(hr))
1253         {
1254                 Con_SafePrint("Couldn't set DI buffersize\n");
1255                 return false;
1256         }
1257
1258         return true;
1259 }
1260
1261
1262 /*
1263 ===========
1264 IN_StartupMouse
1265 ===========
1266 */
1267 void IN_StartupMouse (void)
1268 {
1269 // COMMANDLINEOPTION: -nomouse disables mouse support (see also vid_mouse cvar)
1270         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1271                 return;
1272
1273         mouseinitialized = true;
1274
1275 // COMMANDLINEOPTION: -dinput uses DirectInput for mouse/joystick input, may be more precise or responsive, but probably not (windows only)
1276         if (COM_CheckParm ("-dinput"))
1277         {
1278                 dinput = IN_InitDInput ();
1279
1280                 if (dinput)
1281                 {
1282                         Con_SafePrint("DirectInput initialized\n");
1283                 }
1284                 else
1285                 {
1286                         Con_SafePrint("DirectInput not initialized\n");
1287                 }
1288         }
1289
1290         if (!dinput)
1291         {
1292                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1293
1294                 if (mouseparmsvalid)
1295                 {
1296 // COMMANDLINEOPTION: -noforcemspd disables setting of mouse speed (ignored with -dinput, windows only)
1297                         if ( COM_CheckParm ("-noforcemspd") )
1298                                 newmouseparms[2] = originalmouseparms[2];
1299
1300 // COMMANDLINEOPTION: -noforcemaccel disables setting of mouse acceleration (ignored with -dinput, windows only)
1301                         if ( COM_CheckParm ("-noforcemaccel") )
1302                         {
1303                                 newmouseparms[0] = originalmouseparms[0];
1304                                 newmouseparms[1] = originalmouseparms[1];
1305                         }
1306
1307 // COMMANDLINEOPTION: -noforcemparms disables setting of mouse parameters (ignored with -dinput, windows only)
1308                         if ( COM_CheckParm ("-noforcemparms") )
1309                         {
1310                                 newmouseparms[0] = originalmouseparms[0];
1311                                 newmouseparms[1] = originalmouseparms[1];
1312                                 newmouseparms[2] = originalmouseparms[2];
1313                         }
1314                 }
1315         }
1316
1317         mouse_buttons = 10;
1318
1319 // if a fullscreen video mode was set before the mouse was initialized,
1320 // set the mouse state appropriately
1321         if (mouseactivatetoggle)
1322                 IN_ActivateMouse ();
1323 }
1324
1325
1326 /*
1327 ===========
1328 IN_MouseEvent
1329 ===========
1330 */
1331 void IN_MouseEvent (int mstate)
1332 {
1333         int     i;
1334
1335         if (mouseactive && !dinput)
1336         {
1337         // perform button actions
1338                 for (i=0 ; i<mouse_buttons ; i++)
1339                 {
1340                         if ( (mstate & (1<<i)) &&
1341                                 !(mouse_oldbuttonstate & (1<<i)) )
1342                         {
1343                                 Key_Event (K_MOUSE1 + i, 0, true);
1344                         }
1345
1346                         if ( !(mstate & (1<<i)) &&
1347                                 (mouse_oldbuttonstate & (1<<i)) )
1348                         {
1349                                 Key_Event (K_MOUSE1 + i, 0, false);
1350                         }
1351                 }
1352
1353                 mouse_oldbuttonstate = mstate;
1354         }
1355 }
1356
1357
1358 /*
1359 ===========
1360 IN_MouseMove
1361 ===========
1362 */
1363 void IN_MouseMove (usercmd_t *cmd)
1364 {
1365         int                                     i, mx, my;
1366         DIDEVICEOBJECTDATA      od;
1367         DWORD                           dwElements;
1368         HRESULT                         hr;
1369
1370         if (!mouseactive)
1371         {
1372                 GetCursorPos (&current_pos);
1373                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1374                 IN_Mouse( cmd, 0, 0 );
1375                 return;
1376         }
1377
1378         if (dinput)
1379         {
1380                 mx = 0;
1381                 my = 0;
1382
1383                 for (;;)
1384                 {
1385                         dwElements = 1;
1386
1387                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1388                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1389
1390                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1391                         {
1392                                 dinput_acquired = true;
1393                                 IDirectInputDevice_Acquire(g_pMouse);
1394                                 break;
1395                         }
1396
1397                         /* Unable to read data or no data available */
1398                         if (FAILED(hr) || dwElements == 0)
1399                                 break;
1400
1401                         /* Look at the element to see what happened */
1402
1403                         switch (od.dwOfs)
1404                         {
1405                                 case DIMOFS_X:
1406                                         mx += od.dwData;
1407                                         break;
1408
1409                                 case DIMOFS_Y:
1410                                         my += od.dwData;
1411                                         break;
1412
1413                                 case DIMOFS_BUTTON0:
1414                                         if (od.dwData & 0x80)
1415                                                 mstate_di |= 1;
1416                                         else
1417                                                 mstate_di &= ~1;
1418                                         break;
1419
1420                                 case DIMOFS_BUTTON1:
1421                                         if (od.dwData & 0x80)
1422                                                 mstate_di |= (1<<1);
1423                                         else
1424                                                 mstate_di &= ~(1<<1);
1425                                         break;
1426
1427                                 case DIMOFS_BUTTON2:
1428                                         if (od.dwData & 0x80)
1429                                                 mstate_di |= (1<<2);
1430                                         else
1431                                                 mstate_di &= ~(1<<2);
1432                                         break;
1433                         }
1434                 }
1435
1436         // perform button actions
1437                 for (i=0 ; i<mouse_buttons ; i++)
1438                 {
1439                         if ( (mstate_di & (1<<i)) &&
1440                                 !(mouse_oldbuttonstate & (1<<i)) )
1441                         {
1442                                 Key_Event (K_MOUSE1 + i, 0, true);
1443                         }
1444
1445                         if ( !(mstate_di & (1<<i)) &&
1446                                 (mouse_oldbuttonstate & (1<<i)) )
1447                         {
1448                                 Key_Event (K_MOUSE1 + i, 0, false);
1449                         }
1450                 }
1451
1452                 mouse_oldbuttonstate = mstate_di;
1453         }
1454         else
1455         {
1456                 GetCursorPos (&current_pos);
1457                 mx = current_pos.x - window_center_x + mx_accum;
1458                 my = current_pos.y - window_center_y + my_accum;
1459                 mx_accum = 0;
1460                 my_accum = 0;
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_Accumulate
1489 ===========
1490 */
1491 void IN_Accumulate (void)
1492 {
1493         if (mouseactive)
1494         {
1495                 if (!dinput)
1496                 {
1497                         GetCursorPos (&current_pos);
1498
1499                         mx_accum += current_pos.x - window_center_x;
1500                         my_accum += current_pos.y - window_center_y;
1501
1502                 // force the mouse to the center, so there's room to move
1503                         SetCursorPos (window_center_x, window_center_y);
1504                 }
1505         }
1506 }
1507
1508
1509 /*
1510 ===================
1511 IN_ClearStates
1512 ===================
1513 */
1514 void IN_ClearStates (void)
1515 {
1516         if (mouseactive)
1517         {
1518                 mx_accum = 0;
1519                 my_accum = 0;
1520                 mouse_oldbuttonstate = 0;
1521         }
1522 }
1523
1524
1525 /*
1526 ===============
1527 IN_StartupJoystick
1528 ===============
1529 */
1530 void IN_StartupJoystick (void)
1531 {
1532         int                     numdevs;
1533         JOYCAPS         jc;
1534         MMRESULT        mmr;
1535         mmr = 0;
1536
1537         // assume no joystick
1538         joy_avail = false;
1539
1540         // abort startup if user requests no joystick
1541 // COMMANDLINEOPTION: -nojoy disables joystick support, may be a small speed increase
1542         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1543                 return;
1544
1545         // verify joystick driver is present
1546         if ((numdevs = joyGetNumDevs ()) == 0)
1547         {
1548                 Con_Print("\njoystick not found -- driver not present\n\n");
1549                 return;
1550         }
1551
1552         // cycle through the joystick ids for the first valid one
1553         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1554         {
1555                 memset (&ji, 0, sizeof(ji));
1556                 ji.dwSize = sizeof(ji);
1557                 ji.dwFlags = JOY_RETURNCENTERED;
1558
1559                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1560                         break;
1561         }
1562
1563         // abort startup if we didn't find a valid joystick
1564         if (mmr != JOYERR_NOERROR)
1565         {
1566                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1567                 return;
1568         }
1569
1570         // get the capabilities of the selected joystick
1571         // abort startup if command fails
1572         memset (&jc, 0, sizeof(jc));
1573         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1574         {
1575                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1576                 return;
1577         }
1578
1579         // save the joystick's number of buttons and POV status
1580         joy_numbuttons = jc.wNumButtons;
1581         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1582
1583         // old button and POV states default to no buttons pressed
1584         joy_oldbuttonstate = joy_oldpovstate = 0;
1585
1586         // mark the joystick as available and advanced initialization not completed
1587         // this is needed as cvars are not available during initialization
1588
1589         joy_avail = true;
1590         joy_advancedinit = false;
1591
1592         Con_Print("\njoystick detected\n\n");
1593 }
1594
1595
1596 /*
1597 ===========
1598 RawValuePointer
1599 ===========
1600 */
1601 PDWORD RawValuePointer (int axis)
1602 {
1603         switch (axis)
1604         {
1605         case JOY_AXIS_X:
1606                 return &ji.dwXpos;
1607         case JOY_AXIS_Y:
1608                 return &ji.dwYpos;
1609         case JOY_AXIS_Z:
1610                 return &ji.dwZpos;
1611         case JOY_AXIS_R:
1612                 return &ji.dwRpos;
1613         case JOY_AXIS_U:
1614                 return &ji.dwUpos;
1615         case JOY_AXIS_V:
1616                 return &ji.dwVpos;
1617         }
1618         return NULL; // LordHavoc: hush compiler warning
1619 }
1620
1621
1622 /*
1623 ===========
1624 Joy_AdvancedUpdate_f
1625 ===========
1626 */
1627 void Joy_AdvancedUpdate_f (void)
1628 {
1629
1630         // called once by IN_ReadJoystick and by user whenever an update is needed
1631         // cvars are now available
1632         int     i;
1633         DWORD dwTemp;
1634
1635         // initialize all the maps
1636         for (i = 0; i < JOY_MAX_AXES; i++)
1637         {
1638                 dwAxisMap[i] = AxisNada;
1639                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1640                 pdwRawValue[i] = RawValuePointer(i);
1641         }
1642
1643         if( joy_advanced.integer == 0)
1644         {
1645                 // default joystick initialization
1646                 // 2 axes only with joystick control
1647                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1648                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1649                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1650                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1651         }
1652         else
1653         {
1654                 if (strcmp (joy_name.string, "joystick") != 0)
1655                 {
1656                         // notify user of advanced controller
1657                         Con_Printf("\n%s configured\n\n", joy_name.string);
1658                 }
1659
1660                 // advanced initialization here
1661                 // data supplied by user via joy_axisn cvars
1662                 dwTemp = (DWORD) joy_advaxisx.value;
1663                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1664                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1665                 dwTemp = (DWORD) joy_advaxisy.value;
1666                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1667                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1668                 dwTemp = (DWORD) joy_advaxisz.value;
1669                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1670                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1671                 dwTemp = (DWORD) joy_advaxisr.value;
1672                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1673                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1674                 dwTemp = (DWORD) joy_advaxisu.value;
1675                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1676                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1677                 dwTemp = (DWORD) joy_advaxisv.value;
1678                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1679                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1680         }
1681
1682         // compute the axes to collect from DirectInput
1683         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1684         for (i = 0; i < JOY_MAX_AXES; i++)
1685         {
1686                 if (dwAxisMap[i] != AxisNada)
1687                 {
1688                         joy_flags |= dwAxisFlags[i];
1689                 }
1690         }
1691 }
1692
1693 /*
1694 ===========
1695 IN_Commands
1696 ===========
1697 */
1698 void IN_Commands (void)
1699 {
1700         int             i, key_index;
1701         DWORD   buttonstate, povstate;
1702
1703         if (!joy_avail)
1704         {
1705                 return;
1706         }
1707
1708
1709         // loop through the joystick buttons
1710         // key a joystick event or auxillary event for higher number buttons for each state change
1711         buttonstate = ji.dwButtons;
1712         for (i=0 ; i < (int) joy_numbuttons ; i++)
1713         {
1714                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1715                 {
1716                         key_index = (i < 16) ? K_JOY1 : K_AUX1;
1717                         Key_Event (key_index + i, 0, true);
1718                 }
1719
1720                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1721                 {
1722                         key_index = (i < 16) ? K_JOY1 : K_AUX1;
1723                         Key_Event (key_index + i, 0, false);
1724                 }
1725         }
1726         joy_oldbuttonstate = buttonstate;
1727
1728         if (joy_haspov)
1729         {
1730                 // convert POV information into 4 bits of state information
1731                 // this avoids any potential problems related to moving from one
1732                 // direction to another without going through the center position
1733                 povstate = 0;
1734                 if(ji.dwPOV != JOY_POVCENTERED)
1735                 {
1736                         if (ji.dwPOV == JOY_POVFORWARD)
1737                                 povstate |= 0x01;
1738                         if (ji.dwPOV == JOY_POVRIGHT)
1739                                 povstate |= 0x02;
1740                         if (ji.dwPOV == JOY_POVBACKWARD)
1741                                 povstate |= 0x04;
1742                         if (ji.dwPOV == JOY_POVLEFT)
1743                                 povstate |= 0x08;
1744                 }
1745                 // determine which bits have changed and key an auxillary event for each change
1746                 for (i=0 ; i < 4 ; i++)
1747                 {
1748                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1749                         {
1750                                 Key_Event (K_AUX29 + i, 0, true);
1751                         }
1752
1753                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1754                         {
1755                                 Key_Event (K_AUX29 + i, 0, false);
1756                         }
1757                 }
1758                 joy_oldpovstate = povstate;
1759         }
1760 }
1761
1762
1763 /*
1764 ===============
1765 IN_ReadJoystick
1766 ===============
1767 */
1768 qboolean IN_ReadJoystick (void)
1769 {
1770
1771         memset (&ji, 0, sizeof(ji));
1772         ji.dwSize = sizeof(ji);
1773         ji.dwFlags = joy_flags;
1774
1775         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1776         {
1777                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1778                 // rather than having 32768 be the zero point, they have the zero point at 32668
1779                 // go figure -- anyway, now we get the full resolution out of the device
1780                 if (joy_wwhack1.integer != 0.0)
1781                 {
1782                         ji.dwUpos += 100;
1783                 }
1784                 return true;
1785         }
1786         else
1787         {
1788                 // read error occurred
1789                 // turning off the joystick seems too harsh for 1 read error,
1790                 // but what should be done?
1791                 return false;
1792         }
1793 }
1794
1795
1796 /*
1797 ===========
1798 IN_JoyMove
1799 ===========
1800 */
1801 void IN_JoyMove (usercmd_t *cmd)
1802 {
1803         float   speed, aspeed;
1804         float   fAxisValue, fTemp;
1805         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1806
1807         // complete initialization if first time in
1808         // this is needed as cvars are not available at initialization time
1809         if( joy_advancedinit != true )
1810         {
1811                 Joy_AdvancedUpdate_f();
1812                 joy_advancedinit = true;
1813         }
1814
1815         // verify joystick is available and that the user wants to use it
1816         if (!joy_avail || !in_joystick.integer)
1817         {
1818                 return;
1819         }
1820
1821         // collect the joystick data, if possible
1822         if (IN_ReadJoystick () != true)
1823         {
1824                 return;
1825         }
1826
1827         if (in_speed.state & 1)
1828                 speed = cl_movespeedkey.value;
1829         else
1830                 speed = 1;
1831         // LordHavoc: viewzoom affects sensitivity for sniping
1832         aspeed = speed * host_realframetime * cl.viewzoom;
1833
1834         // loop through the axes
1835         for (i = 0; i < JOY_MAX_AXES; i++)
1836         {
1837                 // get the floating point zero-centered, potentially-inverted data for the current axis
1838                 fAxisValue = (float) *pdwRawValue[i];
1839                 // move centerpoint to zero
1840                 fAxisValue -= 32768.0;
1841
1842                 if (joy_wwhack2.integer != 0.0)
1843                 {
1844                         if (dwAxisMap[i] == AxisTurn)
1845                         {
1846                                 // this is a special formula for the Logitech WingMan Warrior
1847                                 // y=ax^b; where a = 300 and b = 1.3
1848                                 // also x values are in increments of 800 (so this is factored out)
1849                                 // then bounds check result to level out excessively high spin rates
1850                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1851                                 if (fTemp > 14000.0)
1852                                         fTemp = 14000.0;
1853                                 // restore direction information
1854                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1855                         }
1856                 }
1857
1858                 // convert range from -32768..32767 to -1..1
1859                 fAxisValue /= 32768.0;
1860
1861                 switch (dwAxisMap[i])
1862                 {
1863                 case AxisForward:
1864                         if ((joy_advanced.integer == 0) && mouselook)
1865                         {
1866                                 // user wants forward control to become look control
1867                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1868                                 {
1869                                         // if mouse invert is on, invert the joystick pitch value
1870                                         // only absolute control support here (joy_advanced is false)
1871                                         if (m_pitch.value < 0.0)
1872                                         {
1873                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1874                                         }
1875                                         else
1876                                         {
1877                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1878                                         }
1879                                         V_StopPitchDrift();
1880                                 }
1881                                 else
1882                                 {
1883                                         // no pitch movement
1884                                         // disable pitch return-to-center unless requested by user
1885                                         // *** this code can be removed when the lookspring bug is fixed
1886                                         // *** the bug always has the lookspring feature on
1887                                         if(lookspring.value == 0.0)
1888                                                 V_StopPitchDrift();
1889                                 }
1890                         }
1891                         else
1892                         {
1893                                 // user wants forward control to be forward control
1894                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1895                                 {
1896                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1897                                 }
1898                         }
1899                         break;
1900
1901                 case AxisSide:
1902                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1903                         {
1904                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1905                         }
1906                         break;
1907
1908                 case AxisTurn:
1909                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1910                         {
1911                                 // user wants turn control to become side control
1912                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1913                                 {
1914                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1915                                 }
1916                         }
1917                         else
1918                         {
1919                                 // user wants turn control to be turn control
1920                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1921                                 {
1922                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1923                                         {
1924                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1925                                         }
1926                                         else
1927                                         {
1928                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1929                                         }
1930
1931                                 }
1932                         }
1933                         break;
1934
1935                 case AxisLook:
1936                         if (mouselook)
1937                         {
1938                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1939                                 {
1940                                         // pitch movement detected and pitch movement desired by user
1941                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1942                                         {
1943                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1944                                         }
1945                                         else
1946                                         {
1947                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1948                                         }
1949                                         V_StopPitchDrift();
1950                                 }
1951                                 else
1952                                 {
1953                                         // no pitch movement
1954                                         // disable pitch return-to-center unless requested by user
1955                                         // *** this code can be removed when the lookspring bug is fixed
1956                                         // *** the bug always has the lookspring feature on
1957                                         if(lookspring.integer == 0)
1958                                                 V_StopPitchDrift();
1959                                 }
1960                         }
1961                         break;
1962
1963                 default:
1964                         break;
1965                 }
1966         }
1967 }
1968
1969 static void IN_Init(void)
1970 {
1971         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1972
1973         // joystick variables
1974         Cvar_RegisterVariable (&in_joystick);
1975         Cvar_RegisterVariable (&joy_name);
1976         Cvar_RegisterVariable (&joy_advanced);
1977         Cvar_RegisterVariable (&joy_advaxisx);
1978         Cvar_RegisterVariable (&joy_advaxisy);
1979         Cvar_RegisterVariable (&joy_advaxisz);
1980         Cvar_RegisterVariable (&joy_advaxisr);
1981         Cvar_RegisterVariable (&joy_advaxisu);
1982         Cvar_RegisterVariable (&joy_advaxisv);
1983         Cvar_RegisterVariable (&joy_forwardthreshold);
1984         Cvar_RegisterVariable (&joy_sidethreshold);
1985         Cvar_RegisterVariable (&joy_pitchthreshold);
1986         Cvar_RegisterVariable (&joy_yawthreshold);
1987         Cvar_RegisterVariable (&joy_forwardsensitivity);
1988         Cvar_RegisterVariable (&joy_sidesensitivity);
1989         Cvar_RegisterVariable (&joy_pitchsensitivity);
1990         Cvar_RegisterVariable (&joy_yawsensitivity);
1991         Cvar_RegisterVariable (&joy_wwhack1);
1992         Cvar_RegisterVariable (&joy_wwhack2);
1993         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1994 }
1995
1996 static void IN_Shutdown(void)
1997 {
1998         IN_DeactivateMouse ();
1999         IN_ShowMouse ();
2000
2001         if (g_pMouse)
2002                 IDirectInputDevice_Release(g_pMouse);
2003         g_pMouse = NULL;
2004
2005         if (g_pdi)
2006                 IDirectInput_Release(g_pdi);
2007         g_pdi = NULL;
2008 }