d8097591a1e83b41d5b2ff8ab1f3ea6aa014ca2c
[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 // we don't need a very new dinput
23 #define DIRECTINPUT_VERSION 0x0300
24
25 #include "quakedef.h"
26 #include <windows.h>
27 #include <mmsystem.h>
28 #include <dsound.h>
29 #include "resource.h"
30 #include <commctrl.h>
31 #include <dinput.h>
32
33 extern HINSTANCE global_hInstance;
34
35
36 #ifndef WM_MOUSEWHEEL
37 #define WM_MOUSEWHEEL                   0x020A
38 #endif
39
40 // Tell startup code that we have a client
41 int cl_available = true;
42
43 qboolean vid_supportrefreshrate = true;
44
45 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
46 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
47 //static int (WINAPI *qwglGetPixelFormat)(HDC);
48 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
49 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
50 static HGLRC (WINAPI *qwglCreateContext)(HDC);
51 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
52 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
53 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
54 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
55 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
56 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
57 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
58
59 static dllfunction_t wglfuncs[] =
60 {
61         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
62         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
63 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
64         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
65         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
66         {"wglCreateContext", (void **) &qwglCreateContext},
67         {"wglDeleteContext", (void **) &qwglDeleteContext},
68         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
69         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
70         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
71         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
72         {NULL, NULL}
73 };
74
75 static dllfunction_t wglswapintervalfuncs[] =
76 {
77         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
78         {NULL, NULL}
79 };
80
81 static DEVMODE gdevmode, initialdevmode;
82 static qboolean vid_initialized = false;
83 static qboolean vid_wassuspended = false;
84 static qboolean vid_usingmouse = false;
85 static qboolean vid_usingvsync = false;
86 static qboolean vid_usevsync = false;
87 static HICON hIcon;
88
89 // used by cd_win.c and snd_win.c
90 HWND mainwindow;
91
92 static HDC       baseDC;
93 static HGLRC baseRC;
94
95 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
96
97 static qboolean vid_isfullscreen;
98
99 //void VID_MenuDraw (void);
100 //void VID_MenuKey (int key);
101
102 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
103 //void AppActivate(BOOL fActive, BOOL minimize);
104 //void ClearAllStates (void);
105 //void VID_UpdateWindowStatus (void);
106
107 //====================================
108
109 static int window_x, window_y;
110
111 static void IN_Activate (qboolean grab);
112
113 static qboolean mouseinitialized;
114 static qboolean dinput;
115
116 // input code
117
118 #define DINPUT_BUFFERSIZE           16
119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
120
121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
122
123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
124 /* backslash :: imouse explorer buttons */
125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
126    MS's platform SDK, but we need them for compilation. . . */
127 #ifndef WM_XBUTTONDOWN
128    #define WM_XBUTTONDOWN      0x020B
129    #define WM_XBUTTONUP      0x020C
130 #endif
131 #ifndef MK_XBUTTON1
132    #define MK_XBUTTON1         0x0020
133    #define MK_XBUTTON2         0x0040
134 #endif
135 #ifndef MK_XBUTTON3
136 // LordHavoc: lets hope this allows more buttons in the future...
137    #define MK_XBUTTON3         0x0080
138    #define MK_XBUTTON4         0x0100
139    #define MK_XBUTTON5         0x0200
140    #define MK_XBUTTON6         0x0400
141    #define MK_XBUTTON7         0x0800
142 #endif
143 /* :: backslash */
144
145 // mouse variables
146 static int                      mouse_buttons;
147 static int                      mouse_oldbuttonstate;
148
149 static unsigned int uiWheelMessage;
150 static qboolean dinput_acquired;
151
152 static unsigned int             mstate_di;
153
154 // joystick defines and variables
155 // where should defines be moved?
156 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
157 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
158 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
159 #define JOY_AXIS_X                      0
160 #define JOY_AXIS_Y                      1
161 #define JOY_AXIS_Z                      2
162 #define JOY_AXIS_R                      3
163 #define JOY_AXIS_U                      4
164 #define JOY_AXIS_V                      5
165
166 enum _ControlList
167 {
168         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
169 };
170
171 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
172 {
173         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
174 };
175
176 static DWORD    dwAxisMap[JOY_MAX_AXES];
177 static DWORD    dwControlMap[JOY_MAX_AXES];
178 static PDWORD   pdwRawValue[JOY_MAX_AXES];
179
180 // none of these cvars are saved over a session
181 // this means that advanced controller configuration needs to be executed
182 // each time.  this avoids any problems with getting back to a default usage
183 // or when changing from one controller to another.  this way at least something
184 // works.
185 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
186 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
187 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
188 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
189 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
190 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
191 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
192 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
193 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
194 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
195 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
196 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
197 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
198 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
199 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
200 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
201 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
202 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
203 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
204
205 static cvar_t vid_forcerefreshrate = {0, "vid_forcerefreshrate", "0", "try to set the given vid_refreshrate even if Windows doesn't list it as valid video mode"};
206
207 static qboolean joy_avail, joy_advancedinit, joy_haspov;
208 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
209
210 static int                      joy_id;
211 static DWORD            joy_flags;
212 static DWORD            joy_numbuttons;
213
214 static LPDIRECTINPUT            g_pdi;
215 static LPDIRECTINPUTDEVICE      g_pMouse;
216
217 static JOYINFOEX        ji;
218
219 static HINSTANCE hInstDI;
220
221 // forward-referenced functions
222 static void IN_StartupJoystick (void);
223 static void Joy_AdvancedUpdate_f (void);
224 static void IN_JoyMove (void);
225 static void IN_StartupMouse (void);
226
227
228 //====================================
229
230 void VID_Finish (qboolean allowmousegrab)
231 {
232         qboolean vid_usemouse;
233
234         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
235         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
236         {
237                 vid_usingvsync = vid_usevsync;
238                 qwglSwapIntervalEXT (vid_usevsync);
239         }
240
241 // handle the mouse state when windowed if that's changed
242         vid_usemouse = false;
243         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
244                 vid_usemouse = true;
245         if (vid_isfullscreen)
246                 vid_usemouse = true;
247         if (!vid_activewindow)
248                 vid_usemouse = false;
249         IN_Activate(vid_usemouse);
250
251         if (r_render.integer && !vid_hidden)
252         {
253                 CHECKGLERROR
254                 if (r_speeds.integer || gl_finish.integer)
255                 {
256                         qglFinish();CHECKGLERROR
257                 }
258                 SwapBuffers(baseDC);
259         }
260
261         VID_UpdateGamma(false, 256);
262 }
263
264 //==========================================================================
265
266
267
268
269 static unsigned char scantokey[128] =
270 {
271 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
272         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
273         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
274         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
275         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
276         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
277         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
278         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
279         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
280 };
281
282
283 /*
284 =======
285 MapKey
286
287 Map from windows to quake keynums
288 =======
289 */
290 static int MapKey (int key, int virtualkey)
291 {
292         int result;
293         int modified = (key >> 16) & 255;
294         qboolean is_extended = false;
295
296         if (modified < 128 && scantokey[modified])
297                 result = scantokey[modified];
298         else
299         {
300                 result = 0;
301                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
302         }
303
304         if (key & (1 << 24))
305                 is_extended = true;
306
307         if ( !is_extended )
308         {
309                 switch ( result )
310                 {
311                 case K_HOME:
312                         return K_KP_HOME;
313                 case K_UPARROW:
314                         return K_KP_UPARROW;
315                 case K_PGUP:
316                         return K_KP_PGUP;
317                 case K_LEFTARROW:
318                         return K_KP_LEFTARROW;
319                 case K_RIGHTARROW:
320                         return K_KP_RIGHTARROW;
321                 case K_END:
322                         return K_KP_END;
323                 case K_DOWNARROW:
324                         return K_KP_DOWNARROW;
325                 case K_PGDN:
326                         return K_KP_PGDN;
327                 case K_INS:
328                         return K_KP_INS;
329                 case K_DEL:
330                         return K_KP_DEL;
331                 default:
332                         return result;
333                 }
334         }
335         else
336         {
337                 switch ( result )
338                 {
339                 case 0x0D:
340                         return K_KP_ENTER;
341                 case 0x2F:
342                         return K_KP_SLASH;
343                 case 0xAF:
344                         return K_KP_PLUS;
345                 }
346                 return result;
347         }
348 }
349
350 /*
351 ===================================================================
352
353 MAIN WINDOW
354
355 ===================================================================
356 */
357
358 /*
359 ================
360 ClearAllStates
361 ================
362 */
363 static void ClearAllStates (void)
364 {
365         Key_ClearStates ();
366         if (vid_usingmouse)
367                 mouse_oldbuttonstate = 0;
368 }
369
370 void AppActivate(BOOL fActive, BOOL minimize)
371 /****************************************************************************
372 *
373 * Function:     AppActivate
374 * Parameters:   fActive - True if app is activating
375 *
376 * Description:  If the application is activating, then swap the system
377 *               into SYSPAL_NOSTATIC mode so that our palettes will display
378 *               correctly.
379 *
380 ****************************************************************************/
381 {
382         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
383
384         vid_activewindow = fActive;
385         vid_hidden = minimize;
386
387         // enable/disable sound on focus gain/loss
388         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
389         {
390                 if (!sound_active)
391                 {
392                         S_UnblockSound ();
393                         sound_active = true;
394                 }
395         }
396         else
397         {
398                 if (sound_active)
399                 {
400                         S_BlockSound ();
401                         sound_active = false;
402                 }
403         }
404
405         if (fActive)
406         {
407                 if (vid_isfullscreen)
408                 {
409                         if (vid_wassuspended)
410                         {
411                                 vid_wassuspended = false;
412                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
413                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
414                         }
415
416                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
417                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
418                 }
419         }
420
421         if (!fActive)
422         {
423                 IN_Activate (false);
424                 if (vid_isfullscreen)
425                 {
426                         ChangeDisplaySettings (NULL, 0);
427                         vid_wassuspended = true;
428                 }
429                 VID_RestoreSystemGamma();
430         }
431 }
432
433 //TODO: move it around in vid_wgl.c since I dont think this is the right position
434 void Sys_SendKeyEvents (void)
435 {
436         MSG msg;
437
438         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
439         {
440                 if (!GetMessage (&msg, NULL, 0, 0))
441                         Sys_Quit (1);
442
443                 TranslateMessage (&msg);
444                 DispatchMessage (&msg);
445         }
446 }
447
448 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
449
450 static keynum_t buttonremap[16] =
451 {
452         K_MOUSE1,
453         K_MOUSE2,
454         K_MOUSE3,
455         K_MOUSE4,
456         K_MOUSE5,
457         K_MOUSE6,
458         K_MOUSE7,
459         K_MOUSE8,
460         K_MOUSE9,
461         K_MOUSE10,
462         K_MOUSE11,
463         K_MOUSE12,
464         K_MOUSE13,
465         K_MOUSE14,
466         K_MOUSE15,
467         K_MOUSE16,
468 };
469
470 /* main window procedure */
471 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
472 {
473         LONG    lRet = 1;
474         int             fActive, fMinimized, temp;
475         char    state[256];
476         char    asciichar[4];
477         int             vkey;
478         int             charlength;
479         qboolean down = false;
480
481         if ( uMsg == uiWheelMessage )
482                 uMsg = WM_MOUSEWHEEL;
483
484         switch (uMsg)
485         {
486                 case WM_KILLFOCUS:
487                         if (vid_isfullscreen)
488                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
489                         break;
490
491                 case WM_CREATE:
492                         break;
493
494                 case WM_MOVE:
495                         window_x = (int) LOWORD(lParam);
496                         window_y = (int) HIWORD(lParam);
497                         IN_Activate(false);
498                         break;
499
500                 case WM_KEYDOWN:
501                 case WM_SYSKEYDOWN:
502                         down = true;
503                 case WM_KEYUP:
504                 case WM_SYSKEYUP:
505                         vkey = MapKey(lParam, wParam);
506                         GetKeyboardState (state);
507                         // alt/ctrl/shift tend to produce funky ToAscii values,
508                         // and if it's not a single character we don't know care about it
509                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
510                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
511                                 asciichar[0] = 0;
512                         else if( charlength == 2 ) {
513                                 asciichar[0] = asciichar[1];
514                         }
515                         Key_Event (vkey, asciichar[0], down);
516                         break;
517
518                 case WM_SYSCHAR:
519                 // keep Alt-Space from happening
520                         break;
521
522                 case WM_SYSCOMMAND:
523                         // prevent screensaver from occuring while the active window
524                         if (fActive && ((wParam & 0xFFF0) == SC_SCREENSAVE || (wParam & 0xFFF0) == SC_MONITORPOWER))
525                                 lRet = 0;; // note: password-locked screensavers on Vista still work
526                         break;
527
528         // this is complicated because Win32 seems to pack multiple mouse events into
529         // one update sometimes, so we always check all states and look for events
530                 case WM_LBUTTONDOWN:
531                 case WM_LBUTTONUP:
532                 case WM_RBUTTONDOWN:
533                 case WM_RBUTTONUP:
534                 case WM_MBUTTONDOWN:
535                 case WM_MBUTTONUP:
536                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
537                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
538                 case WM_MOUSEMOVE:
539                         temp = 0;
540
541                         if (wParam & MK_LBUTTON)
542                                 temp |= 1;
543
544                         if (wParam & MK_RBUTTON)
545                                 temp |= 2;
546
547                         if (wParam & MK_MBUTTON)
548                                 temp |= 4;
549
550                         /* backslash :: imouse explorer buttons */
551                         if (wParam & MK_XBUTTON1)
552                                 temp |= 8;
553
554                         if (wParam & MK_XBUTTON2)
555                                 temp |= 16;
556                         /* :: backslash */
557
558                         // LordHavoc: lets hope this allows more buttons in the future...
559                         if (wParam & MK_XBUTTON3)
560                                 temp |= 32;
561                         if (wParam & MK_XBUTTON4)
562                                 temp |= 64;
563                         if (wParam & MK_XBUTTON5)
564                                 temp |= 128;
565                         if (wParam & MK_XBUTTON6)
566                                 temp |= 256;
567                         if (wParam & MK_XBUTTON7)
568                                 temp |= 512;
569
570                         if (vid_usingmouse && !dinput_acquired)
571                         {
572                                 // perform button actions
573                                 int i;
574                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
575                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
576                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
577                                 mouse_oldbuttonstate = temp;
578                         }
579
580                         break;
581
582                 // JACK: This is the mouse wheel with the Intellimouse
583                 // Its delta is either positive or neg, and we generate the proper
584                 // Event.
585                 case WM_MOUSEWHEEL:
586                         if ((short) HIWORD(wParam) > 0) {
587                                 Key_Event(K_MWHEELUP, 0, true);
588                                 Key_Event(K_MWHEELUP, 0, false);
589                         } else {
590                                 Key_Event(K_MWHEELDOWN, 0, true);
591                                 Key_Event(K_MWHEELDOWN, 0, false);
592                         }
593                         break;
594
595                 case WM_SIZE:
596                         break;
597
598                 case WM_CLOSE:
599                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
600                                 Sys_Quit (0);
601
602                         break;
603
604                 case WM_ACTIVATE:
605                         fActive = LOWORD(wParam);
606                         fMinimized = (BOOL) HIWORD(wParam);
607                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
608
609                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
610                         ClearAllStates ();
611
612                         break;
613
614                 //case WM_DESTROY:
615                 //      PostQuitMessage (0);
616                 //      break;
617
618                 case MM_MCINOTIFY:
619                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
620                         break;
621
622                 default:
623                         /* pass all unhandled messages to DefWindowProc */
624                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
625                 break;
626         }
627
628         /* return 1 if handled message, 0 if not */
629         return lRet;
630 }
631
632 int VID_SetGamma(unsigned short *ramps, int rampsize)
633 {
634         HDC hdc = GetDC (NULL);
635         int i = SetDeviceGammaRamp(hdc, ramps);
636         ReleaseDC (NULL, hdc);
637         return i; // return success or failure
638 }
639
640 int VID_GetGamma(unsigned short *ramps, int rampsize)
641 {
642         HDC hdc = GetDC (NULL);
643         int i = GetDeviceGammaRamp(hdc, ramps);
644         ReleaseDC (NULL, hdc);
645         return i; // return success or failure
646 }
647
648 static HINSTANCE gldll;
649
650 static void GL_CloseLibrary(void)
651 {
652         FreeLibrary(gldll);
653         gldll = 0;
654         gl_driver[0] = 0;
655         qwglGetProcAddress = NULL;
656         gl_extensions = "";
657         gl_platform = "";
658         gl_platformextensions = "";
659 }
660
661 static int GL_OpenLibrary(const char *name)
662 {
663         Con_Printf("Loading OpenGL driver %s\n", name);
664         GL_CloseLibrary();
665         if (!(gldll = LoadLibrary(name)))
666         {
667                 Con_Printf("Unable to LoadLibrary %s\n", name);
668                 return false;
669         }
670         strlcpy(gl_driver, name, sizeof(gl_driver));
671         return true;
672 }
673
674 void *GL_GetProcAddress(const char *name)
675 {
676         void *p = NULL;
677         if (qwglGetProcAddress != NULL)
678                 p = (void *) qwglGetProcAddress(name);
679         if (p == NULL)
680                 p = (void *) GetProcAddress(gldll, name);
681         return p;
682 }
683
684 static void IN_Init(void);
685 void VID_Init(void)
686 {
687         WNDCLASS wc;
688
689         InitCommonControls();
690         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
691
692         // Register the frame class
693         wc.style         = 0;
694         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
695         wc.cbClsExtra    = 0;
696         wc.cbWndExtra    = 0;
697         wc.hInstance     = global_hInstance;
698         wc.hIcon         = hIcon;
699         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
700         wc.hbrBackground = NULL;
701         wc.lpszMenuName  = 0;
702         wc.lpszClassName = "DarkPlacesWindowClass";
703
704         if (!RegisterClass (&wc))
705                 Con_Printf ("Couldn't register window class\n");
706
707         memset(&initialdevmode, 0, sizeof(initialdevmode));
708         EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &initialdevmode);
709
710         IN_Init();
711 }
712
713 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
714 {
715         int i;
716         HDC hdc;
717         RECT rect;
718         MSG msg;
719         PIXELFORMATDESCRIPTOR pfd =
720         {
721                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
722                 1,                              // version number
723                 PFD_DRAW_TO_WINDOW              // support window
724                 |  PFD_SUPPORT_OPENGL   // support OpenGL
725                 |  PFD_DOUBLEBUFFER ,   // double buffered
726                 PFD_TYPE_RGBA,                  // RGBA type
727                 24,                             // 24-bit color depth
728                 0, 0, 0, 0, 0, 0,               // color bits ignored
729                 0,                              // no alpha buffer
730                 0,                              // shift bit ignored
731                 0,                              // no accumulation buffer
732                 0, 0, 0, 0,                     // accum bits ignored
733                 32,                             // 32-bit z-buffer
734                 0,                              // no stencil buffer
735                 0,                              // no auxiliary buffer
736                 PFD_MAIN_PLANE,                 // main layer
737                 0,                              // reserved
738                 0, 0, 0                         // layer masks ignored
739         };
740         int pixelformat;
741         DWORD WindowStyle, ExWindowStyle;
742         int CenterX, CenterY;
743         const char *gldrivername;
744         int depth;
745         DEVMODE thismode;
746         qboolean foundmode, foundgoodmode;
747
748         if (vid_initialized)
749                 Sys_Error("VID_InitMode called when video is already initialised");
750
751         // if stencil is enabled, ask for alpha too
752         if (bpp >= 32)
753         {
754                 pfd.cStencilBits = 8;
755                 pfd.cAlphaBits = 8;
756         }
757         else
758         {
759                 pfd.cStencilBits = 0;
760                 pfd.cAlphaBits = 0;
761         }
762
763         if (stereobuffer)
764                 pfd.dwFlags |= PFD_STEREO;
765
766         gldrivername = "opengl32.dll";
767 // 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
768         i = COM_CheckParm("-gl_driver");
769         if (i && i < com_argc - 1)
770                 gldrivername = com_argv[i + 1];
771         if (!GL_OpenLibrary(gldrivername))
772         {
773                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
774                 return false;
775         }
776
777         memset(&gdevmode, 0, sizeof(gdevmode));
778
779         vid_isfullscreen = false;
780         if (fullscreen)
781         {
782                 if(vid_forcerefreshrate.integer)
783                 {
784                         foundmode = true;
785                         gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
786                         gdevmode.dmBitsPerPel = bpp;
787                         gdevmode.dmPelsWidth = width;
788                         gdevmode.dmPelsHeight = height;
789                         gdevmode.dmSize = sizeof (gdevmode);
790                         if(refreshrate)
791                         {
792                                 gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
793                                 gdevmode.dmDisplayFrequency = refreshrate;
794                         }
795                 }
796                 else
797                 {
798                         if(refreshrate == 0)
799                                 refreshrate = initialdevmode.dmDisplayFrequency; // default vid_refreshrate to the rate of the desktop
800
801                         foundmode = false;
802                         foundgoodmode = false;
803
804                         thismode.dmSize = sizeof(thismode);
805                         thismode.dmDriverExtra = 0;
806                         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
807                         {
808                                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
809                                 {
810                                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
811                                         continue;
812                                 }
813                                 if(developer.integer >= 100)
814                                         Con_Printf("Found mode %dx%dx%dbpp %dHz... ", (int)thismode.dmPelsWidth, (int)thismode.dmPelsHeight, (int)thismode.dmBitsPerPel, (int)thismode.dmDisplayFrequency);
815                                 if(thismode.dmBitsPerPel != (DWORD)bpp)
816                                 {
817                                         if(developer.integer >= 100)
818                                                 Con_Printf("wrong bpp\n");
819                                         continue;
820                                 }
821                                 if(thismode.dmPelsWidth != (DWORD)width)
822                                 {
823                                         if(developer.integer >= 100)
824                                                 Con_Printf("wrong width\n");
825                                         continue;
826                                 }
827                                 if(thismode.dmPelsHeight != (DWORD)height)
828                                 {
829                                         if(developer.integer >= 100)
830                                                 Con_Printf("wrong height\n");
831                                         continue;
832                                 }
833
834                                 if(foundgoodmode)
835                                 {
836                                         // if we have a good mode, make sure this mode is better than the previous one, and allowed by the refreshrate
837                                         if(thismode.dmDisplayFrequency > (DWORD)refreshrate)
838                                         {
839                                                 if(developer.integer >= 100)
840                                                         Con_Printf("too high refresh rate\n");
841                                                 continue;
842                                         }
843                                         else if(thismode.dmDisplayFrequency <= gdevmode.dmDisplayFrequency)
844                                         {
845                                                 if(developer.integer >= 100)
846                                                         Con_Printf("doesn't beat previous best match (too low)\n");
847                                                 continue;
848                                         }
849                                 }
850                                 else if(foundmode)
851                                 {
852                                         // we do have one, but it isn't good... make sure it has a lower frequency than the previous one
853                                         if(thismode.dmDisplayFrequency >= gdevmode.dmDisplayFrequency)
854                                         {
855                                                 if(developer.integer >= 100)
856                                                         Con_Printf("doesn't beat previous best match (too high)\n");
857                                                 continue;
858                                         }
859                                 }
860                                 // otherwise, take anything
861
862                                 memcpy(&gdevmode, &thismode, sizeof(gdevmode));
863                                 if(thismode.dmDisplayFrequency <= (DWORD)refreshrate)
864                                         foundgoodmode = true;
865                                 else
866                                 {
867                                         if(developer.integer >= 100)
868                                                 Con_Printf("(out of range)\n");
869                                 }
870                                 foundmode = true;
871                                 if(developer.integer >= 100)
872                                         Con_Printf("accepted\n");
873                         }
874                 }
875
876                 if (!foundmode)
877                 {
878                         VID_Shutdown();
879                         Con_Printf("Unable to find the requested mode %dx%dx%dbpp\n", width, height, bpp);
880                         return false;
881                 }
882                 else if(ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
883                 {
884                         VID_Shutdown();
885                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
886                         return false;
887                 }
888
889                 vid_isfullscreen = true;
890                 WindowStyle = WS_POPUP;
891                 ExWindowStyle = WS_EX_TOPMOST;
892         }
893         else
894         {
895                 hdc = GetDC (NULL);
896                 i = GetDeviceCaps(hdc, RASTERCAPS);
897                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
898                 ReleaseDC (NULL, hdc);
899                 if (i & RC_PALETTE)
900                 {
901                         VID_Shutdown();
902                         Con_Print("Can't run in non-RGB mode\n");
903                         return false;
904                 }
905                 if (bpp > depth)
906                 {
907                         VID_Shutdown();
908                         Con_Print("A higher desktop depth is required to run this video mode\n");
909                         return false;
910                 }
911
912                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
913                 ExWindowStyle = 0;
914         }
915
916         rect.top = 0;
917         rect.left = 0;
918         rect.right = width;
919         rect.bottom = height;
920         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
921
922         if (fullscreen)
923         {
924                 CenterX = 0;
925                 CenterY = 0;
926         }
927         else
928         {
929                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
930                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
931         }
932         CenterX = max(0, CenterX);
933         CenterY = max(0, CenterY);
934
935         // x and y may be changed by WM_MOVE messages
936         window_x = CenterX;
937         window_y = CenterY;
938         rect.left += CenterX;
939         rect.right += CenterX;
940         rect.top += CenterY;
941         rect.bottom += CenterY;
942
943         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
944         if (!mainwindow)
945         {
946                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), NULL, NULL, (int)global_hInstance, NULL);
947                 VID_Shutdown();
948                 return false;
949         }
950
951         /*
952         if (!fullscreen)
953                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
954         */
955
956         ShowWindow (mainwindow, SW_SHOWDEFAULT);
957         UpdateWindow (mainwindow);
958
959         // now we try to make sure we get the focus on the mode switch, because
960         // sometimes in some systems we don't.  We grab the foreground, then
961         // finish setting up, pump all our messages, and sleep for a little while
962         // to let messages finish bouncing around the system, then we put
963         // ourselves at the top of the z order, then grab the foreground again,
964         // Who knows if it helps, but it probably doesn't hurt
965         SetForegroundWindow (mainwindow);
966
967         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
968         {
969                 TranslateMessage (&msg);
970                 DispatchMessage (&msg);
971         }
972
973         Sleep (100);
974
975         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
976
977         SetForegroundWindow (mainwindow);
978
979         // fix the leftover Alt from any Alt-Tab or the like that switched us away
980         ClearAllStates ();
981
982         baseDC = GetDC(mainwindow);
983
984         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
985         {
986                 VID_Shutdown();
987                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
988                 return false;
989         }
990
991         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
992         {
993                 VID_Shutdown();
994                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
995                 return false;
996         }
997
998         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
999         {
1000                 VID_Shutdown();
1001                 Con_Print("wgl functions not found\n");
1002                 return false;
1003         }
1004
1005         baseRC = qwglCreateContext(baseDC);
1006         if (!baseRC)
1007         {
1008                 VID_Shutdown();
1009                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
1010                 return false;
1011         }
1012         if (!qwglMakeCurrent(baseDC, baseRC))
1013         {
1014                 VID_Shutdown();
1015                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
1016                 return false;
1017         }
1018
1019         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
1020         {
1021                 VID_Shutdown();
1022                 Con_Print("glGetString not found\n");
1023                 return false;
1024         }
1025         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
1026                 Con_Print("wglGetExtensionsStringARB not found\n");
1027         gl_renderer = qglGetString(GL_RENDERER);
1028         gl_vendor = qglGetString(GL_VENDOR);
1029         gl_version = qglGetString(GL_VERSION);
1030         gl_extensions = qglGetString(GL_EXTENSIONS);
1031         gl_platform = "WGL";
1032         gl_platformextensions = "";
1033
1034         Con_DPrintf("GL_VENDOR: %s\n", gl_vendor);
1035         Con_DPrintf("GL_RENDERER: %s\n", gl_renderer);
1036         Con_DPrintf("GL_VERSION: %s\n", gl_version);
1037         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
1038         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
1039
1040         gl_videosyncavailable = false;
1041
1042         if (qwglGetExtensionsStringARB)
1043                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
1044
1045 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
1046         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
1047         //ReleaseDC(mainwindow, hdc);
1048
1049         GL_Init ();
1050
1051         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1052         if (strncasecmp(gl_vendor,"ATI",3)==0)
1053         {
1054                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1055                         isRagePro = true;
1056         }
1057         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1058                 isG200 = true;
1059
1060         //vid_menudrawfn = VID_MenuDraw;
1061         //vid_menukeyfn = VID_MenuKey;
1062         vid_usingmouse = false;
1063         vid_usingvsync = false;
1064         vid_hidden = false;
1065         vid_initialized = true;
1066
1067         IN_StartupMouse ();
1068         IN_StartupJoystick ();
1069
1070         if (gl_videosyncavailable)
1071         {
1072                 vid_usevsync = vid_vsync.integer;
1073                 vid_usingvsync = vid_vsync.integer;
1074                 qwglSwapIntervalEXT (vid_usevsync);
1075         }
1076
1077         return true;
1078 }
1079
1080 static void IN_Shutdown(void);
1081 void VID_Shutdown (void)
1082 {
1083         if(vid_initialized == false)
1084                 return;
1085
1086         VID_RestoreSystemGamma();
1087
1088         vid_initialized = false;
1089         IN_Shutdown();
1090         if (qwglMakeCurrent)
1091                 qwglMakeCurrent(NULL, NULL);
1092         if (baseRC && qwglDeleteContext)
1093                 qwglDeleteContext(baseRC);
1094         // close the library before we get rid of the window
1095         GL_CloseLibrary();
1096         if (baseDC && mainwindow)
1097                 ReleaseDC(mainwindow, baseDC);
1098         AppActivate(false, false);
1099         if (mainwindow)
1100                 DestroyWindow(mainwindow);
1101         mainwindow = 0;
1102         if (vid_isfullscreen)
1103                 ChangeDisplaySettings (NULL, 0);
1104         vid_isfullscreen = false;
1105 }
1106
1107 static void IN_Activate (qboolean grab)
1108 {
1109         static qboolean restore_spi;
1110         static int originalmouseparms[3];
1111
1112         if (!mouseinitialized)
1113                 return;
1114
1115         if (grab)
1116         {
1117                 if (!vid_usingmouse)
1118                 {
1119                         vid_usingmouse = true;
1120                         cl_ignoremousemoves = 2;
1121                         if (dinput && g_pMouse)
1122                         {
1123                                 IDirectInputDevice_Acquire(g_pMouse);
1124                                 dinput_acquired = true;
1125                         }
1126                         else
1127                         {
1128                                 RECT window_rect;
1129                                 window_rect.left = window_x;
1130                                 window_rect.top = window_y;
1131                                 window_rect.right = window_x + vid.width;
1132                                 window_rect.bottom = window_y + vid.height;
1133
1134                                 // change mouse settings to turn off acceleration
1135 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1136                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1137                                 {
1138                                         int newmouseparms[3];
1139                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1140                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1141                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1142                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1143                                 }
1144                                 else
1145                                         restore_spi = false;
1146                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1147
1148                                 SetCapture (mainwindow);
1149                                 ClipCursor (&window_rect);
1150                         }
1151                         ShowCursor (false);
1152                 }
1153         }
1154         else
1155         {
1156                 if (vid_usingmouse)
1157                 {
1158                         vid_usingmouse = false;
1159                         cl_ignoremousemoves = 2;
1160                         if (dinput_acquired)
1161                         {
1162                                 IDirectInputDevice_Unacquire(g_pMouse);
1163                                 dinput_acquired = false;
1164                         }
1165                         else
1166                         {
1167                                 // restore system mouseparms if we changed them
1168                                 if (restore_spi)
1169                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1170                                 restore_spi = false;
1171                                 ClipCursor (NULL);
1172                                 ReleaseCapture ();
1173                         }
1174                         ShowCursor (true);
1175                 }
1176         }
1177 }
1178
1179
1180 /*
1181 ===========
1182 IN_InitDInput
1183 ===========
1184 */
1185 static qboolean IN_InitDInput (void)
1186 {
1187     HRESULT             hr;
1188         DIPROPDWORD     dipdw = {
1189                 {
1190                         sizeof(DIPROPDWORD),        // diph.dwSize
1191                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1192                         0,                          // diph.dwObj
1193                         DIPH_DEVICE,                // diph.dwHow
1194                 },
1195                 DINPUT_BUFFERSIZE,              // dwData
1196         };
1197
1198         if (!hInstDI)
1199         {
1200                 hInstDI = LoadLibrary("dinput.dll");
1201
1202                 if (hInstDI == NULL)
1203                 {
1204                         Con_Print("Couldn't load dinput.dll\n");
1205                         return false;
1206                 }
1207         }
1208
1209         if (!pDirectInputCreate)
1210         {
1211                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1212
1213                 if (!pDirectInputCreate)
1214                 {
1215                         Con_Print("Couldn't get DI proc addr\n");
1216                         return false;
1217                 }
1218         }
1219
1220 // register with DirectInput and get an IDirectInput to play with.
1221         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1222
1223         if (FAILED(hr))
1224         {
1225                 return false;
1226         }
1227
1228 // obtain an interface to the system mouse device.
1229         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1230
1231         if (FAILED(hr))
1232         {
1233                 Con_Print("Couldn't open DI mouse device\n");
1234                 return false;
1235         }
1236
1237 // set the data format to "mouse format".
1238         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1239
1240         if (FAILED(hr))
1241         {
1242                 Con_Print("Couldn't set DI mouse format\n");
1243                 return false;
1244         }
1245
1246 // set the cooperativity level.
1247         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1248                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1249
1250         if (FAILED(hr))
1251         {
1252                 Con_Print("Couldn't set DI coop level\n");
1253                 return false;
1254         }
1255
1256
1257 // set the buffer size to DINPUT_BUFFERSIZE elements.
1258 // the buffer size is a DWORD property associated with the device
1259         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1260
1261         if (FAILED(hr))
1262         {
1263                 Con_Print("Couldn't set DI buffersize\n");
1264                 return false;
1265         }
1266
1267         return true;
1268 }
1269
1270
1271 /*
1272 ===========
1273 IN_StartupMouse
1274 ===========
1275 */
1276 static void IN_StartupMouse (void)
1277 {
1278         if (COM_CheckParm ("-nomouse"))
1279                 return;
1280
1281         mouseinitialized = true;
1282
1283 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1284         if (COM_CheckParm ("-dinput"))
1285                 dinput = IN_InitDInput ();
1286
1287         if (dinput)
1288                 Con_Print("DirectInput initialized\n");
1289         else
1290                 Con_Print("DirectInput not initialized\n");
1291
1292         mouse_buttons = 10;
1293 }
1294
1295
1296 /*
1297 ===========
1298 IN_MouseMove
1299 ===========
1300 */
1301 static void IN_MouseMove (void)
1302 {
1303         int i, mx, my;
1304         POINT current_pos;
1305
1306         if (!vid_usingmouse)
1307         {
1308                 //GetCursorPos (&current_pos);
1309                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1310                 return;
1311         }
1312
1313         if (dinput_acquired)
1314         {
1315                 DIDEVICEOBJECTDATA      od;
1316                 DWORD                           dwElements;
1317                 HRESULT                         hr;
1318                 mx = 0;
1319                 my = 0;
1320
1321                 for (;;)
1322                 {
1323                         dwElements = 1;
1324
1325                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1326                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1327
1328                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1329                         {
1330                                 IDirectInputDevice_Acquire(g_pMouse);
1331                                 break;
1332                         }
1333
1334                         /* Unable to read data or no data available */
1335                         if (FAILED(hr) || dwElements == 0)
1336                                 break;
1337
1338                         /* Look at the element to see what happened */
1339
1340                         switch (od.dwOfs)
1341                         {
1342                                 case DIMOFS_X:
1343                                         mx += (LONG) od.dwData;
1344                                         break;
1345
1346                                 case DIMOFS_Y:
1347                                         my += (LONG) od.dwData;
1348                                         break;
1349
1350                                 case DIMOFS_Z:
1351                                         if((LONG) od.dwData < 0)
1352                                         {
1353                                                 Key_Event (K_MWHEELDOWN, 0, true);
1354                                                 Key_Event (K_MWHEELDOWN, 0, false);
1355                                         }
1356                                         else if((LONG) od.dwData > 0)
1357                                         {
1358                                                 Key_Event (K_MWHEELUP, 0, true);
1359                                                 Key_Event (K_MWHEELUP, 0, false);
1360                                         }
1361                                         break;
1362
1363                                 case DIMOFS_BUTTON0:
1364                                         if (od.dwData & 0x80)
1365                                                 mstate_di |= 1;
1366                                         else
1367                                                 mstate_di &= ~1;
1368                                         break;
1369
1370                                 case DIMOFS_BUTTON1:
1371                                         if (od.dwData & 0x80)
1372                                                 mstate_di |= (1<<1);
1373                                         else
1374                                                 mstate_di &= ~(1<<1);
1375                                         break;
1376
1377                                 case DIMOFS_BUTTON2:
1378                                         if (od.dwData & 0x80)
1379                                                 mstate_di |= (1<<2);
1380                                         else
1381                                                 mstate_di &= ~(1<<2);
1382                                         break;
1383
1384                                 case DIMOFS_BUTTON3:
1385                                         if (od.dwData & 0x80)
1386                                                 mstate_di |= (1<<3);
1387                                         else
1388                                                 mstate_di &= ~(1<<3);
1389                                         break;
1390                         }
1391                 }
1392
1393                 // perform button actions
1394                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1395                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1396                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1397                 mouse_oldbuttonstate = mstate_di;
1398
1399                 in_mouse_x = mx;
1400                 in_mouse_y = my;
1401         }
1402         else
1403         {
1404                 GetCursorPos (&current_pos);
1405                 mx = current_pos.x - (window_x + vid.width / 2);
1406                 my = current_pos.y - (window_y + vid.height / 2);
1407
1408                 in_mouse_x = mx;
1409                 in_mouse_y = my;
1410
1411                 // if the mouse has moved, force it to the center, so there's room to move
1412                 if (!cl.csqc_wantsmousemove)
1413                 if (mx || my)
1414                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1415         }
1416 }
1417
1418
1419 /*
1420 ===========
1421 IN_Move
1422 ===========
1423 */
1424 void IN_Move (void)
1425 {
1426         if (vid_activewindow && !vid_hidden)
1427         {
1428                 IN_MouseMove ();
1429                 IN_JoyMove ();
1430         }
1431 }
1432
1433
1434 /*
1435 ===============
1436 IN_StartupJoystick
1437 ===============
1438 */
1439 static void IN_StartupJoystick (void)
1440 {
1441         int                     numdevs;
1442         JOYCAPS         jc;
1443         MMRESULT        mmr;
1444         mmr = 0;
1445
1446         // assume no joystick
1447         joy_avail = false;
1448
1449         // abort startup if user requests no joystick
1450 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1451         if (COM_CheckParm ("-nojoy"))
1452                 return;
1453
1454         // verify joystick driver is present
1455         if ((numdevs = joyGetNumDevs ()) == 0)
1456         {
1457                 Con_Print("\njoystick not found -- driver not present\n\n");
1458                 return;
1459         }
1460
1461         // cycle through the joystick ids for the first valid one
1462         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1463         {
1464                 memset (&ji, 0, sizeof(ji));
1465                 ji.dwSize = sizeof(ji);
1466                 ji.dwFlags = JOY_RETURNCENTERED;
1467
1468                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1469                         break;
1470         }
1471
1472         // abort startup if we didn't find a valid joystick
1473         if (mmr != JOYERR_NOERROR)
1474         {
1475                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1476                 return;
1477         }
1478
1479         // get the capabilities of the selected joystick
1480         // abort startup if command fails
1481         memset (&jc, 0, sizeof(jc));
1482         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1483         {
1484                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1485                 return;
1486         }
1487
1488         // save the joystick's number of buttons and POV status
1489         joy_numbuttons = jc.wNumButtons;
1490         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1491
1492         // old button and POV states default to no buttons pressed
1493         joy_oldbuttonstate = joy_oldpovstate = 0;
1494
1495         // mark the joystick as available and advanced initialization not completed
1496         // this is needed as cvars are not available during initialization
1497
1498         joy_avail = true;
1499         joy_advancedinit = false;
1500
1501         Con_Print("\njoystick detected\n\n");
1502 }
1503
1504
1505 /*
1506 ===========
1507 RawValuePointer
1508 ===========
1509 */
1510 static PDWORD RawValuePointer (int axis)
1511 {
1512         switch (axis)
1513         {
1514         case JOY_AXIS_X:
1515                 return &ji.dwXpos;
1516         case JOY_AXIS_Y:
1517                 return &ji.dwYpos;
1518         case JOY_AXIS_Z:
1519                 return &ji.dwZpos;
1520         case JOY_AXIS_R:
1521                 return &ji.dwRpos;
1522         case JOY_AXIS_U:
1523                 return &ji.dwUpos;
1524         case JOY_AXIS_V:
1525                 return &ji.dwVpos;
1526         }
1527         return NULL; // LordHavoc: hush compiler warning
1528 }
1529
1530
1531 /*
1532 ===========
1533 Joy_AdvancedUpdate_f
1534 ===========
1535 */
1536 static void Joy_AdvancedUpdate_f (void)
1537 {
1538
1539         // called once by IN_ReadJoystick and by user whenever an update is needed
1540         // cvars are now available
1541         int     i;
1542         DWORD dwTemp;
1543
1544         // initialize all the maps
1545         for (i = 0; i < JOY_MAX_AXES; i++)
1546         {
1547                 dwAxisMap[i] = AxisNada;
1548                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1549                 pdwRawValue[i] = RawValuePointer(i);
1550         }
1551
1552         if( joy_advanced.integer == 0)
1553         {
1554                 // default joystick initialization
1555                 // 2 axes only with joystick control
1556                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1557                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1558                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1559                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1560         }
1561         else
1562         {
1563                 if (strcmp (joy_name.string, "joystick") != 0)
1564                 {
1565                         // notify user of advanced controller
1566                         Con_Printf("\n%s configured\n\n", joy_name.string);
1567                 }
1568
1569                 // advanced initialization here
1570                 // data supplied by user via joy_axisn cvars
1571                 dwTemp = (DWORD) joy_advaxisx.value;
1572                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1573                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1574                 dwTemp = (DWORD) joy_advaxisy.value;
1575                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1576                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1577                 dwTemp = (DWORD) joy_advaxisz.value;
1578                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1579                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1580                 dwTemp = (DWORD) joy_advaxisr.value;
1581                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1582                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1583                 dwTemp = (DWORD) joy_advaxisu.value;
1584                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1585                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1586                 dwTemp = (DWORD) joy_advaxisv.value;
1587                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1588                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1589         }
1590
1591         // compute the axes to collect from DirectInput
1592         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1593         for (i = 0; i < JOY_MAX_AXES; i++)
1594         {
1595                 if (dwAxisMap[i] != AxisNada)
1596                 {
1597                         joy_flags |= dwAxisFlags[i];
1598                 }
1599         }
1600 }
1601
1602 /*
1603 ===============
1604 IN_ReadJoystick
1605 ===============
1606 */
1607 static qboolean IN_ReadJoystick (void)
1608 {
1609
1610         memset (&ji, 0, sizeof(ji));
1611         ji.dwSize = sizeof(ji);
1612         ji.dwFlags = joy_flags;
1613
1614         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1615         {
1616                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1617                 // rather than having 32768 be the zero point, they have the zero point at 32668
1618                 // go figure -- anyway, now we get the full resolution out of the device
1619                 if (joy_wwhack1.integer != 0.0)
1620                 {
1621                         ji.dwUpos += 100;
1622                 }
1623                 return true;
1624         }
1625         else
1626         {
1627                 // read error occurred
1628                 // turning off the joystick seems too harsh for 1 read error,
1629                 // but what should be done?
1630                 return false;
1631         }
1632 }
1633
1634
1635 /*
1636 ===========
1637 IN_JoyMove
1638 ===========
1639 */
1640 static void IN_JoyMove (void)
1641 {
1642         float   speed, aspeed;
1643         float   fAxisValue, fTemp;
1644         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1645
1646         // complete initialization if first time in
1647         // this is needed as cvars are not available at initialization time
1648         if( joy_advancedinit != true )
1649         {
1650                 Joy_AdvancedUpdate_f();
1651                 joy_advancedinit = true;
1652         }
1653
1654         if (joy_avail)
1655         {
1656                 int             i, key_index;
1657                 DWORD   buttonstate, povstate;
1658
1659                 // loop through the joystick buttons
1660                 // key a joystick event or auxillary event for higher number buttons for each state change
1661                 buttonstate = ji.dwButtons;
1662                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1663                 {
1664                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1665                         {
1666                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1667                                 Key_Event (key_index + i, 0, true);
1668                         }
1669
1670                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1671                         {
1672                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1673                                 Key_Event (key_index + i, 0, false);
1674                         }
1675                 }
1676                 joy_oldbuttonstate = buttonstate;
1677
1678                 if (joy_haspov)
1679                 {
1680                         // convert POV information into 4 bits of state information
1681                         // this avoids any potential problems related to moving from one
1682                         // direction to another without going through the center position
1683                         povstate = 0;
1684                         if(ji.dwPOV != JOY_POVCENTERED)
1685                         {
1686                                 if (ji.dwPOV == JOY_POVFORWARD)
1687                                         povstate |= 0x01;
1688                                 if (ji.dwPOV == JOY_POVRIGHT)
1689                                         povstate |= 0x02;
1690                                 if (ji.dwPOV == JOY_POVBACKWARD)
1691                                         povstate |= 0x04;
1692                                 if (ji.dwPOV == JOY_POVLEFT)
1693                                         povstate |= 0x08;
1694                         }
1695                         // determine which bits have changed and key an auxillary event for each change
1696                         for (i=0 ; i < 4 ; i++)
1697                         {
1698                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1699                                 {
1700                                         Key_Event (K_AUX29 + i, 0, true);
1701                                 }
1702
1703                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1704                                 {
1705                                         Key_Event (K_AUX29 + i, 0, false);
1706                                 }
1707                         }
1708                         joy_oldpovstate = povstate;
1709                 }
1710         }
1711
1712         // verify joystick is available and that the user wants to use it
1713         if (!joy_avail || !in_joystick.integer)
1714         {
1715                 return;
1716         }
1717
1718         // collect the joystick data, if possible
1719         if (IN_ReadJoystick () != true)
1720         {
1721                 return;
1722         }
1723
1724         if (in_speed.state & 1)
1725                 speed = cl_movespeedkey.value;
1726         else
1727                 speed = 1;
1728         // LordHavoc: viewzoom affects sensitivity for sniping
1729         aspeed = speed * cl.realframetime * cl.viewzoom;
1730
1731         // loop through the axes
1732         for (i = 0; i < JOY_MAX_AXES; i++)
1733         {
1734                 // get the floating point zero-centered, potentially-inverted data for the current axis
1735                 fAxisValue = (float) *pdwRawValue[i];
1736                 // move centerpoint to zero
1737                 fAxisValue -= 32768.0;
1738
1739                 if (joy_wwhack2.integer != 0.0)
1740                 {
1741                         if (dwAxisMap[i] == AxisTurn)
1742                         {
1743                                 // this is a special formula for the Logitech WingMan Warrior
1744                                 // y=ax^b; where a = 300 and b = 1.3
1745                                 // also x values are in increments of 800 (so this is factored out)
1746                                 // then bounds check result to level out excessively high spin rates
1747                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1748                                 if (fTemp > 14000.0)
1749                                         fTemp = 14000.0;
1750                                 // restore direction information
1751                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1752                         }
1753                 }
1754
1755                 // convert range from -32768..32767 to -1..1
1756                 fAxisValue /= 32768.0;
1757
1758                 switch (dwAxisMap[i])
1759                 {
1760                 case AxisForward:
1761                         if ((joy_advanced.integer == 0) && mouselook)
1762                         {
1763                                 // user wants forward control to become look control
1764                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1765                                 {
1766                                         // if mouse invert is on, invert the joystick pitch value
1767                                         // only absolute control support here (joy_advanced is false)
1768                                         if (m_pitch.value < 0.0)
1769                                         {
1770                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1771                                         }
1772                                         else
1773                                         {
1774                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1775                                         }
1776                                         V_StopPitchDrift();
1777                                 }
1778                                 else
1779                                 {
1780                                         // no pitch movement
1781                                         // disable pitch return-to-center unless requested by user
1782                                         // *** this code can be removed when the lookspring bug is fixed
1783                                         // *** the bug always has the lookspring feature on
1784                                         if(lookspring.value == 0.0)
1785                                                 V_StopPitchDrift();
1786                                 }
1787                         }
1788                         else
1789                         {
1790                                 // user wants forward control to be forward control
1791                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1792                                 {
1793                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1794                                 }
1795                         }
1796                         break;
1797
1798                 case AxisSide:
1799                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1800                         {
1801                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1802                         }
1803                         break;
1804
1805                 case AxisTurn:
1806                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1807                         {
1808                                 // user wants turn control to become side control
1809                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1810                                 {
1811                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1812                                 }
1813                         }
1814                         else
1815                         {
1816                                 // user wants turn control to be turn control
1817                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1818                                 {
1819                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1820                                         {
1821                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1822                                         }
1823                                         else
1824                                         {
1825                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1826                                         }
1827
1828                                 }
1829                         }
1830                         break;
1831
1832                 case AxisLook:
1833                         if (mouselook)
1834                         {
1835                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1836                                 {
1837                                         // pitch movement detected and pitch movement desired by user
1838                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1839                                         {
1840                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1841                                         }
1842                                         else
1843                                         {
1844                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1845                                         }
1846                                         V_StopPitchDrift();
1847                                 }
1848                                 else
1849                                 {
1850                                         // no pitch movement
1851                                         // disable pitch return-to-center unless requested by user
1852                                         // *** this code can be removed when the lookspring bug is fixed
1853                                         // *** the bug always has the lookspring feature on
1854                                         if(lookspring.integer == 0)
1855                                                 V_StopPitchDrift();
1856                                 }
1857                         }
1858                         break;
1859
1860                 default:
1861                         break;
1862                 }
1863         }
1864 }
1865
1866 static void IN_Init(void)
1867 {
1868         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1869
1870         // joystick variables
1871         Cvar_RegisterVariable (&in_joystick);
1872         Cvar_RegisterVariable (&joy_name);
1873         Cvar_RegisterVariable (&joy_advanced);
1874         Cvar_RegisterVariable (&joy_advaxisx);
1875         Cvar_RegisterVariable (&joy_advaxisy);
1876         Cvar_RegisterVariable (&joy_advaxisz);
1877         Cvar_RegisterVariable (&joy_advaxisr);
1878         Cvar_RegisterVariable (&joy_advaxisu);
1879         Cvar_RegisterVariable (&joy_advaxisv);
1880         Cvar_RegisterVariable (&joy_forwardthreshold);
1881         Cvar_RegisterVariable (&joy_sidethreshold);
1882         Cvar_RegisterVariable (&joy_pitchthreshold);
1883         Cvar_RegisterVariable (&joy_yawthreshold);
1884         Cvar_RegisterVariable (&joy_forwardsensitivity);
1885         Cvar_RegisterVariable (&joy_sidesensitivity);
1886         Cvar_RegisterVariable (&joy_pitchsensitivity);
1887         Cvar_RegisterVariable (&joy_yawsensitivity);
1888         Cvar_RegisterVariable (&joy_wwhack1);
1889         Cvar_RegisterVariable (&joy_wwhack2);
1890         Cvar_RegisterVariable (&vid_forcerefreshrate);
1891         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1892 }
1893
1894 static void IN_Shutdown(void)
1895 {
1896         IN_Activate (false);
1897
1898         if (g_pMouse)
1899                 IDirectInputDevice_Release(g_pMouse);
1900         g_pMouse = NULL;
1901
1902         if (g_pdi)
1903                 IDirectInput_Release(g_pdi);
1904         g_pdi = NULL;
1905 }