split out combined alloc for psk model data to make it easier to verify
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 // we don't need a very new dinput
23 #define DIRECTINPUT_VERSION 0x0300
24
25 #include "quakedef.h"
26 #include <windows.h>
27 #include <mmsystem.h>
28 #ifdef SUPPORTDIRECTX
29 #include <dsound.h>
30 #endif
31 #include "resource.h"
32 #include <commctrl.h>
33 #ifdef SUPPORTDIRECTX
34 #include <dinput.h>
35 #endif
36
37 extern HINSTANCE global_hInstance;
38
39
40 #ifndef WM_MOUSEWHEEL
41 #define WM_MOUSEWHEEL                   0x020A
42 #endif
43
44 // Tell startup code that we have a client
45 int cl_available = true;
46
47 qboolean vid_supportrefreshrate = true;
48
49 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
50 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
51 //static int (WINAPI *qwglGetPixelFormat)(HDC);
52 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
53 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
54 static HGLRC (WINAPI *qwglCreateContext)(HDC);
55 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
56 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
57 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
58 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
59 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
60 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
61 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
62 static BOOL (WINAPI *qwglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
63 static BOOL (WINAPI *qwglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
64
65 static dllfunction_t wglfuncs[] =
66 {
67         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
68         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
69 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
70         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
71         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
72         {"wglCreateContext", (void **) &qwglCreateContext},
73         {"wglDeleteContext", (void **) &qwglDeleteContext},
74         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
75         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
76         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
77         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
78         {NULL, NULL}
79 };
80
81 static dllfunction_t wglswapintervalfuncs[] =
82 {
83         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
84         {NULL, NULL}
85 };
86
87 static dllfunction_t wglpixelformatfuncs[] =
88 {
89         {"wglChoosePixelFormatARB", (void **) &qwglChoosePixelFormatARB},
90         {"wglGetPixelFormatAttribivARB", (void **) &qwglGetPixelFormatAttribivARB},
91         {NULL, NULL}
92 };
93
94 static DEVMODE gdevmode, initialdevmode;
95 static qboolean vid_initialized = false;
96 static qboolean vid_wassuspended = false;
97 static qboolean vid_usingmouse = false;
98 static qboolean vid_usinghidecursor = false;
99 static qboolean vid_usingvsync = false;
100 static qboolean vid_usevsync = false;
101 static HICON hIcon;
102
103 // used by cd_win.c and snd_win.c
104 HWND mainwindow;
105
106 static HDC       baseDC;
107 static HGLRC baseRC;
108
109 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
110
111 static qboolean vid_isfullscreen;
112
113 //void VID_MenuDraw (void);
114 //void VID_MenuKey (int key);
115
116 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
117 //void AppActivate(BOOL fActive, BOOL minimize);
118 //void ClearAllStates (void);
119 //void VID_UpdateWindowStatus (void);
120
121 //====================================
122
123 static int window_x, window_y;
124
125 static qboolean mouseinitialized;
126
127 #ifdef SUPPORTDIRECTX
128 static qboolean dinput;
129 #define DINPUT_BUFFERSIZE           16
130 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
131
132 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
133 #endif
134
135 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
136 /* backslash :: imouse explorer buttons */
137 /* These are #ifdefed out for non-Win2K in the February 2001 version of
138    MS's platform SDK, but we need them for compilation. . . */
139 #ifndef WM_XBUTTONDOWN
140    #define WM_XBUTTONDOWN      0x020B
141    #define WM_XBUTTONUP      0x020C
142 #endif
143 #ifndef MK_XBUTTON1
144    #define MK_XBUTTON1         0x0020
145    #define MK_XBUTTON2         0x0040
146 #endif
147 #ifndef MK_XBUTTON3
148 // LordHavoc: lets hope this allows more buttons in the future...
149    #define MK_XBUTTON3         0x0080
150    #define MK_XBUTTON4         0x0100
151    #define MK_XBUTTON5         0x0200
152    #define MK_XBUTTON6         0x0400
153    #define MK_XBUTTON7         0x0800
154 #endif
155 /* :: backslash */
156
157 // mouse variables
158 static int                      mouse_buttons;
159 static int                      mouse_oldbuttonstate;
160
161 static unsigned int uiWheelMessage;
162 #ifdef SUPPORTDIRECTX
163 static qboolean dinput_acquired;
164
165 static unsigned int             mstate_di;
166 #endif
167
168 // joystick defines and variables
169 // where should defines be moved?
170 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
171 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
172 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
173 #define JOY_AXIS_X                      0
174 #define JOY_AXIS_Y                      1
175 #define JOY_AXIS_Z                      2
176 #define JOY_AXIS_R                      3
177 #define JOY_AXIS_U                      4
178 #define JOY_AXIS_V                      5
179
180 enum _ControlList
181 {
182         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
183 };
184
185 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
186 {
187         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
188 };
189
190 static DWORD    dwAxisMap[JOY_MAX_AXES];
191 static DWORD    dwControlMap[JOY_MAX_AXES];
192 static PDWORD   pdwRawValue[JOY_MAX_AXES];
193
194 // none of these cvars are saved over a session
195 // this means that advanced controller configuration needs to be executed
196 // each time.  this avoids any problems with getting back to a default usage
197 // or when changing from one controller to another.  this way at least something
198 // works.
199 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
200 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
201 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
202 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
203 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
204 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
205 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
206 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
207 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
208 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
209 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
210 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
211 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
212 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
213 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
214 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
215 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
216 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
217 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
218
219 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"};
220
221 static qboolean joy_avail, joy_advancedinit, joy_haspov;
222 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
223
224 static int                      joy_id;
225 static DWORD            joy_flags;
226 static DWORD            joy_numbuttons;
227
228 #ifdef SUPPORTDIRECTX
229 static LPDIRECTINPUT            g_pdi;
230 static LPDIRECTINPUTDEVICE      g_pMouse;
231 static HINSTANCE hInstDI;
232 #endif
233
234 static JOYINFOEX        ji;
235
236 // forward-referenced functions
237 static void IN_StartupJoystick (void);
238 static void Joy_AdvancedUpdate_f (void);
239 static void IN_JoyMove (void);
240 static void IN_StartupMouse (void);
241
242
243 //====================================
244
245 void VID_Finish (void)
246 {
247         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
248         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
249         {
250                 vid_usingvsync = vid_usevsync;
251                 qwglSwapIntervalEXT (vid_usevsync);
252         }
253
254         if (r_render.integer && !vid_hidden)
255         {
256                 CHECKGLERROR
257                 if (r_speeds.integer || gl_finish.integer)
258                 {
259                         qglFinish();CHECKGLERROR
260                 }
261                 SwapBuffers(baseDC);
262         }
263
264         // make sure a context switch can happen every frame - Logitech drivers
265         // input drivers sometimes eat cpu time every 3 seconds or lag badly
266         // without this help
267         Sleep(0);
268
269         VID_UpdateGamma(false, 256);
270 }
271
272 //==========================================================================
273
274
275
276
277 static unsigned char scantokey[128] =
278 {
279 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
280         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
281         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
282         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
283         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
284         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
285         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
286         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
287         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
288 };
289
290
291 /*
292 =======
293 MapKey
294
295 Map from windows to quake keynums
296 =======
297 */
298 static int MapKey (int key, int virtualkey)
299 {
300         int result;
301         int modified = (key >> 16) & 255;
302         qboolean is_extended = false;
303
304         if (modified < 128 && scantokey[modified])
305                 result = scantokey[modified];
306         else
307         {
308                 result = 0;
309                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
310         }
311
312         if (key & (1 << 24))
313                 is_extended = true;
314
315         if ( !is_extended )
316         {
317                 switch ( result )
318                 {
319                 case K_HOME:
320                         return K_KP_HOME;
321                 case K_UPARROW:
322                         return K_KP_UPARROW;
323                 case K_PGUP:
324                         return K_KP_PGUP;
325                 case K_LEFTARROW:
326                         return K_KP_LEFTARROW;
327                 case K_RIGHTARROW:
328                         return K_KP_RIGHTARROW;
329                 case K_END:
330                         return K_KP_END;
331                 case K_DOWNARROW:
332                         return K_KP_DOWNARROW;
333                 case K_PGDN:
334                         return K_KP_PGDN;
335                 case K_INS:
336                         return K_KP_INS;
337                 case K_DEL:
338                         return K_KP_DEL;
339                 default:
340                         return result;
341                 }
342         }
343         else
344         {
345                 switch ( result )
346                 {
347                 case 0x0D:
348                         return K_KP_ENTER;
349                 case 0x2F:
350                         return K_KP_SLASH;
351                 case 0xAF:
352                         return K_KP_PLUS;
353                 }
354                 return result;
355         }
356 }
357
358 /*
359 ===================================================================
360
361 MAIN WINDOW
362
363 ===================================================================
364 */
365
366 /*
367 ================
368 ClearAllStates
369 ================
370 */
371 static void ClearAllStates (void)
372 {
373         Key_ClearStates ();
374         if (vid_usingmouse)
375                 mouse_oldbuttonstate = 0;
376 }
377
378 void AppActivate(BOOL fActive, BOOL minimize)
379 /****************************************************************************
380 *
381 * Function:     AppActivate
382 * Parameters:   fActive - True if app is activating
383 *
384 * Description:  If the application is activating, then swap the system
385 *               into SYSPAL_NOSTATIC mode so that our palettes will display
386 *               correctly.
387 *
388 ****************************************************************************/
389 {
390         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
391
392         vid_activewindow = fActive;
393         vid_hidden = minimize;
394
395         // enable/disable sound on focus gain/loss
396         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
397         {
398                 if (!sound_active)
399                 {
400                         S_UnblockSound ();
401                         sound_active = true;
402                 }
403         }
404         else
405         {
406                 if (sound_active)
407                 {
408                         S_BlockSound ();
409                         sound_active = false;
410                 }
411         }
412
413         if (fActive)
414         {
415                 if (vid_isfullscreen)
416                 {
417                         if (vid_wassuspended)
418                         {
419                                 vid_wassuspended = false;
420                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
421                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
422                         }
423
424                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
425                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
426                 }
427         }
428
429         if (!fActive)
430         {
431                 VID_SetMouse(false, false, false);
432                 if (vid_isfullscreen)
433                 {
434                         ChangeDisplaySettings (NULL, 0);
435                         vid_wassuspended = true;
436                 }
437                 VID_RestoreSystemGamma();
438         }
439 }
440
441 //TODO: move it around in vid_wgl.c since I dont think this is the right position
442 void Sys_SendKeyEvents (void)
443 {
444         MSG msg;
445
446         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
447         {
448                 if (!GetMessage (&msg, NULL, 0, 0))
449                         Sys_Quit (1);
450
451                 TranslateMessage (&msg);
452                 DispatchMessage (&msg);
453         }
454 }
455
456 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
457
458 static keynum_t buttonremap[16] =
459 {
460         K_MOUSE1,
461         K_MOUSE2,
462         K_MOUSE3,
463         K_MOUSE4,
464         K_MOUSE5,
465         K_MOUSE6,
466         K_MOUSE7,
467         K_MOUSE8,
468         K_MOUSE9,
469         K_MOUSE10,
470         K_MOUSE11,
471         K_MOUSE12,
472         K_MOUSE13,
473         K_MOUSE14,
474         K_MOUSE15,
475         K_MOUSE16,
476 };
477
478 /* main window procedure */
479 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
480 {
481         LONG    lRet = 1;
482         int             fActive, fMinimized, temp;
483         char    state[256];
484         char    asciichar[4];
485         int             vkey;
486         int             charlength;
487         qboolean down = false;
488
489         if ( uMsg == uiWheelMessage )
490                 uMsg = WM_MOUSEWHEEL;
491
492         switch (uMsg)
493         {
494                 case WM_KILLFOCUS:
495                         if (vid_isfullscreen)
496                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
497                         break;
498
499                 case WM_CREATE:
500                         break;
501
502                 case WM_MOVE:
503                         window_x = (int) LOWORD(lParam);
504                         window_y = (int) HIWORD(lParam);
505                         VID_SetMouse(false, false, false);
506                         break;
507
508                 case WM_KEYDOWN:
509                 case WM_SYSKEYDOWN:
510                         down = true;
511                 case WM_KEYUP:
512                 case WM_SYSKEYUP:
513                         vkey = MapKey(lParam, wParam);
514                         GetKeyboardState (state);
515                         // alt/ctrl/shift tend to produce funky ToAscii values,
516                         // and if it's not a single character we don't know care about it
517                         charlength = ToAscii (wParam, lParam >> 16, state, (LPWORD)asciichar, 0);
518                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
519                                 asciichar[0] = 0;
520                         else if( charlength == 2 ) {
521                                 asciichar[0] = asciichar[1];
522                         }
523                         Key_Event (vkey, asciichar[0], down);
524                         break;
525
526                 case WM_SYSCHAR:
527                 // keep Alt-Space from happening
528                         break;
529
530                 case WM_SYSCOMMAND:
531                         // prevent screensaver from occuring while the active window
532                         // note: password-locked screensavers on Vista still work
533                         if (vid_activewindow && ((wParam & 0xFFF0) == SC_SCREENSAVE || (wParam & 0xFFF0) == SC_MONITORPOWER))
534                                 lRet = 0;
535                         else
536                                 lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
537                         break;
538
539         // this is complicated because Win32 seems to pack multiple mouse events into
540         // one update sometimes, so we always check all states and look for events
541                 case WM_LBUTTONDOWN:
542                 case WM_LBUTTONUP:
543                 case WM_RBUTTONDOWN:
544                 case WM_RBUTTONUP:
545                 case WM_MBUTTONDOWN:
546                 case WM_MBUTTONUP:
547                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
548                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
549                 case WM_MOUSEMOVE:
550                         temp = 0;
551
552                         if (wParam & MK_LBUTTON)
553                                 temp |= 1;
554
555                         if (wParam & MK_RBUTTON)
556                                 temp |= 2;
557
558                         if (wParam & MK_MBUTTON)
559                                 temp |= 4;
560
561                         /* backslash :: imouse explorer buttons */
562                         if (wParam & MK_XBUTTON1)
563                                 temp |= 8;
564
565                         if (wParam & MK_XBUTTON2)
566                                 temp |= 16;
567                         /* :: backslash */
568
569                         // LordHavoc: lets hope this allows more buttons in the future...
570                         if (wParam & MK_XBUTTON3)
571                                 temp |= 32;
572                         if (wParam & MK_XBUTTON4)
573                                 temp |= 64;
574                         if (wParam & MK_XBUTTON5)
575                                 temp |= 128;
576                         if (wParam & MK_XBUTTON6)
577                                 temp |= 256;
578                         if (wParam & MK_XBUTTON7)
579                                 temp |= 512;
580
581 #ifdef SUPPORTDIRECTX
582                         if (vid_usingmouse && !dinput_acquired)
583 #else
584                         if (vid_usingmouse)
585 #endif
586                         {
587                                 // perform button actions
588                                 int i;
589                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
590                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
591                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
592                                 mouse_oldbuttonstate = temp;
593                         }
594
595                         break;
596
597                 // JACK: This is the mouse wheel with the Intellimouse
598                 // Its delta is either positive or neg, and we generate the proper
599                 // Event.
600                 case WM_MOUSEWHEEL:
601                         if ((short) HIWORD(wParam) > 0) {
602                                 Key_Event(K_MWHEELUP, 0, true);
603                                 Key_Event(K_MWHEELUP, 0, false);
604                         } else {
605                                 Key_Event(K_MWHEELDOWN, 0, true);
606                                 Key_Event(K_MWHEELDOWN, 0, false);
607                         }
608                         break;
609
610                 case WM_SIZE:
611                         break;
612
613                 case WM_CLOSE:
614                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
615                                 Sys_Quit (0);
616
617                         break;
618
619                 case WM_ACTIVATE:
620                         fActive = LOWORD(wParam);
621                         fMinimized = (BOOL) HIWORD(wParam);
622                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
623
624                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
625                         ClearAllStates ();
626
627                         break;
628
629                 //case WM_DESTROY:
630                 //      PostQuitMessage (0);
631                 //      break;
632
633                 case MM_MCINOTIFY:
634                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
635                         break;
636
637                 default:
638                         /* pass all unhandled messages to DefWindowProc */
639                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
640                 break;
641         }
642
643         /* return 1 if handled message, 0 if not */
644         return lRet;
645 }
646
647 int VID_SetGamma(unsigned short *ramps, int rampsize)
648 {
649         HDC hdc = GetDC (NULL);
650         int i = SetDeviceGammaRamp(hdc, ramps);
651         ReleaseDC (NULL, hdc);
652         return i; // return success or failure
653 }
654
655 int VID_GetGamma(unsigned short *ramps, int rampsize)
656 {
657         HDC hdc = GetDC (NULL);
658         int i = GetDeviceGammaRamp(hdc, ramps);
659         ReleaseDC (NULL, hdc);
660         return i; // return success or failure
661 }
662
663 static HINSTANCE gldll;
664
665 static void GL_CloseLibrary(void)
666 {
667         FreeLibrary(gldll);
668         gldll = 0;
669         gl_driver[0] = 0;
670         qwglGetProcAddress = NULL;
671         gl_extensions = "";
672         gl_platform = "";
673         gl_platformextensions = "";
674 }
675
676 static int GL_OpenLibrary(const char *name)
677 {
678         Con_Printf("Loading OpenGL driver %s\n", name);
679         GL_CloseLibrary();
680         if (!(gldll = LoadLibrary(name)))
681         {
682                 Con_Printf("Unable to LoadLibrary %s\n", name);
683                 return false;
684         }
685         strlcpy(gl_driver, name, sizeof(gl_driver));
686         return true;
687 }
688
689 void *GL_GetProcAddress(const char *name)
690 {
691         void *p = NULL;
692         if (qwglGetProcAddress != NULL)
693                 p = (void *) qwglGetProcAddress(name);
694         if (p == NULL)
695                 p = (void *) GetProcAddress(gldll, name);
696         return p;
697 }
698
699 #ifndef WGL_ARB_pixel_format
700 #define WGL_NUMBER_PIXEL_FORMATS_ARB   0x2000
701 #define WGL_DRAW_TO_WINDOW_ARB         0x2001
702 #define WGL_DRAW_TO_BITMAP_ARB         0x2002
703 #define WGL_ACCELERATION_ARB           0x2003
704 #define WGL_NEED_PALETTE_ARB           0x2004
705 #define WGL_NEED_SYSTEM_PALETTE_ARB    0x2005
706 #define WGL_SWAP_LAYER_BUFFERS_ARB     0x2006
707 #define WGL_SWAP_METHOD_ARB            0x2007
708 #define WGL_NUMBER_OVERLAYS_ARB        0x2008
709 #define WGL_NUMBER_UNDERLAYS_ARB       0x2009
710 #define WGL_TRANSPARENT_ARB            0x200A
711 #define WGL_TRANSPARENT_RED_VALUE_ARB  0x2037
712 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
713 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
714 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
715 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
716 #define WGL_SHARE_DEPTH_ARB            0x200C
717 #define WGL_SHARE_STENCIL_ARB          0x200D
718 #define WGL_SHARE_ACCUM_ARB            0x200E
719 #define WGL_SUPPORT_GDI_ARB            0x200F
720 #define WGL_SUPPORT_OPENGL_ARB         0x2010
721 #define WGL_DOUBLE_BUFFER_ARB          0x2011
722 #define WGL_STEREO_ARB                 0x2012
723 #define WGL_PIXEL_TYPE_ARB             0x2013
724 #define WGL_COLOR_BITS_ARB             0x2014
725 #define WGL_RED_BITS_ARB               0x2015
726 #define WGL_RED_SHIFT_ARB              0x2016
727 #define WGL_GREEN_BITS_ARB             0x2017
728 #define WGL_GREEN_SHIFT_ARB            0x2018
729 #define WGL_BLUE_BITS_ARB              0x2019
730 #define WGL_BLUE_SHIFT_ARB             0x201A
731 #define WGL_ALPHA_BITS_ARB             0x201B
732 #define WGL_ALPHA_SHIFT_ARB            0x201C
733 #define WGL_ACCUM_BITS_ARB             0x201D
734 #define WGL_ACCUM_RED_BITS_ARB         0x201E
735 #define WGL_ACCUM_GREEN_BITS_ARB       0x201F
736 #define WGL_ACCUM_BLUE_BITS_ARB        0x2020
737 #define WGL_ACCUM_ALPHA_BITS_ARB       0x2021
738 #define WGL_DEPTH_BITS_ARB             0x2022
739 #define WGL_STENCIL_BITS_ARB           0x2023
740 #define WGL_AUX_BUFFERS_ARB            0x2024
741 #define WGL_NO_ACCELERATION_ARB        0x2025
742 #define WGL_GENERIC_ACCELERATION_ARB   0x2026
743 #define WGL_FULL_ACCELERATION_ARB      0x2027
744 #define WGL_SWAP_EXCHANGE_ARB          0x2028
745 #define WGL_SWAP_COPY_ARB              0x2029
746 #define WGL_SWAP_UNDEFINED_ARB         0x202A
747 #define WGL_TYPE_RGBA_ARB              0x202B
748 #define WGL_TYPE_COLORINDEX_ARB        0x202C
749 #endif
750
751 #ifndef WGL_ARB_multisample
752 #define WGL_SAMPLE_BUFFERS_ARB         0x2041
753 #define WGL_SAMPLES_ARB                0x2042
754 #endif
755
756
757 static void IN_Init(void);
758 void VID_Init(void)
759 {
760         WNDCLASS wc;
761
762         InitCommonControls();
763         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
764
765         // Register the frame class
766         wc.style         = 0;
767         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
768         wc.cbClsExtra    = 0;
769         wc.cbWndExtra    = 0;
770         wc.hInstance     = global_hInstance;
771         wc.hIcon         = hIcon;
772         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
773         wc.hbrBackground = NULL;
774         wc.lpszMenuName  = 0;
775         wc.lpszClassName = "DarkPlacesWindowClass";
776
777         if (!RegisterClass (&wc))
778                 Con_Printf ("Couldn't register window class\n");
779
780         memset(&initialdevmode, 0, sizeof(initialdevmode));
781         EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &initialdevmode);
782
783         IN_Init();
784 }
785
786 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
787 {
788         int i;
789         HDC hdc;
790         RECT rect;
791         MSG msg;
792         PIXELFORMATDESCRIPTOR pfd =
793         {
794                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
795                 1,                              // version number
796                 PFD_DRAW_TO_WINDOW              // support window
797                 |  PFD_SUPPORT_OPENGL   // support OpenGL
798                 |  PFD_DOUBLEBUFFER ,   // double buffered
799                 PFD_TYPE_RGBA,                  // RGBA type
800                 24,                             // 24-bit color depth
801                 0, 0, 0, 0, 0, 0,               // color bits ignored
802                 0,                              // no alpha buffer
803                 0,                              // shift bit ignored
804                 0,                              // no accumulation buffer
805                 0, 0, 0, 0,                     // accum bits ignored
806                 32,                             // 32-bit z-buffer
807                 0,                              // no stencil buffer
808                 0,                              // no auxiliary buffer
809                 PFD_MAIN_PLANE,                 // main layer
810                 0,                              // reserved
811                 0, 0, 0                         // layer masks ignored
812         };
813         int windowpass;
814         int pixelformat, newpixelformat;
815         int numpixelformats;
816         DWORD WindowStyle, ExWindowStyle;
817         int CenterX, CenterY;
818         const char *gldrivername;
819         int depth;
820         DEVMODE thismode;
821         qboolean foundmode, foundgoodmode;
822         int *a;
823         float *af;
824         int attribs[128];
825         float attribsf[16];
826
827         if (vid_initialized)
828                 Sys_Error("VID_InitMode called when video is already initialised");
829
830         // if stencil is enabled, ask for alpha too
831         if (bpp >= 32)
832         {
833                 pfd.cRedBits = 8;
834                 pfd.cGreenBits = 8;
835                 pfd.cBlueBits = 8;
836                 pfd.cAlphaBits = 8;
837                 pfd.cDepthBits = 24;
838                 pfd.cStencilBits = 8;
839         }
840         else
841         {
842                 pfd.cRedBits = 5;
843                 pfd.cGreenBits = 5;
844                 pfd.cBlueBits = 5;
845                 pfd.cAlphaBits = 0;
846                 pfd.cDepthBits = 16;
847                 pfd.cStencilBits = 0;
848         }
849
850         if (stereobuffer)
851                 pfd.dwFlags |= PFD_STEREO;
852
853         a = attribs;
854         af = attribsf;
855         *a++ = WGL_DRAW_TO_WINDOW_ARB;
856         *a++ = GL_TRUE;
857         *a++ = WGL_ACCELERATION_ARB;
858         *a++ = WGL_FULL_ACCELERATION_ARB;
859         *a++ = WGL_DOUBLE_BUFFER_ARB;
860         *a++ = true;
861
862         if (bpp >= 32)
863         {
864                 *a++ = WGL_RED_BITS_ARB;
865                 *a++ = 8;
866                 *a++ = WGL_GREEN_BITS_ARB;
867                 *a++ = 8;
868                 *a++ = WGL_BLUE_BITS_ARB;
869                 *a++ = 8;
870                 *a++ = WGL_ALPHA_BITS_ARB;
871                 *a++ = 8;
872                 *a++ = WGL_DEPTH_BITS_ARB;
873                 *a++ = 24;
874                 *a++ = WGL_STENCIL_BITS_ARB;
875                 *a++ = 8;
876         }
877         else
878         {
879                 *a++ = WGL_RED_BITS_ARB;
880                 *a++ = 1;
881                 *a++ = WGL_GREEN_BITS_ARB;
882                 *a++ = 1;
883                 *a++ = WGL_BLUE_BITS_ARB;
884                 *a++ = 1;
885                 *a++ = WGL_DEPTH_BITS_ARB;
886                 *a++ = 16;
887         }
888
889         if (stereobuffer)
890         {
891                 *a++ = WGL_STEREO_ARB;
892                 *a++ = GL_TRUE;
893         }
894
895         if (samples > 1)
896         {
897                 *a++ = WGL_SAMPLE_BUFFERS_ARB;
898                 *a++ = 1;
899                 *a++ = WGL_SAMPLES_ARB;
900                 *a++ = samples;
901         }
902
903         *a = 0;
904         *af = 0;
905
906         gldrivername = "opengl32.dll";
907 // 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
908         i = COM_CheckParm("-gl_driver");
909         if (i && i < com_argc - 1)
910                 gldrivername = com_argv[i + 1];
911         if (!GL_OpenLibrary(gldrivername))
912         {
913                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
914                 return false;
915         }
916
917         memset(&gdevmode, 0, sizeof(gdevmode));
918
919         vid_isfullscreen = false;
920         if (fullscreen)
921         {
922                 if(vid_forcerefreshrate.integer)
923                 {
924                         foundmode = true;
925                         gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
926                         gdevmode.dmBitsPerPel = bpp;
927                         gdevmode.dmPelsWidth = width;
928                         gdevmode.dmPelsHeight = height;
929                         gdevmode.dmSize = sizeof (gdevmode);
930                         if(refreshrate)
931                         {
932                                 gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
933                                 gdevmode.dmDisplayFrequency = refreshrate;
934                         }
935                 }
936                 else
937                 {
938                         if(refreshrate == 0)
939                                 refreshrate = initialdevmode.dmDisplayFrequency; // default vid_refreshrate to the rate of the desktop
940
941                         foundmode = false;
942                         foundgoodmode = false;
943
944                         thismode.dmSize = sizeof(thismode);
945                         thismode.dmDriverExtra = 0;
946                         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
947                         {
948                                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
949                                 {
950                                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
951                                         continue;
952                                 }
953                                 if(developer.integer >= 100)
954                                         Con_Printf("Found mode %dx%dx%dbpp %dHz... ", (int)thismode.dmPelsWidth, (int)thismode.dmPelsHeight, (int)thismode.dmBitsPerPel, (int)thismode.dmDisplayFrequency);
955                                 if(thismode.dmBitsPerPel != (DWORD)bpp)
956                                 {
957                                         if(developer.integer >= 100)
958                                                 Con_Printf("wrong bpp\n");
959                                         continue;
960                                 }
961                                 if(thismode.dmPelsWidth != (DWORD)width)
962                                 {
963                                         if(developer.integer >= 100)
964                                                 Con_Printf("wrong width\n");
965                                         continue;
966                                 }
967                                 if(thismode.dmPelsHeight != (DWORD)height)
968                                 {
969                                         if(developer.integer >= 100)
970                                                 Con_Printf("wrong height\n");
971                                         continue;
972                                 }
973
974                                 if(foundgoodmode)
975                                 {
976                                         // if we have a good mode, make sure this mode is better than the previous one, and allowed by the refreshrate
977                                         if(thismode.dmDisplayFrequency > (DWORD)refreshrate)
978                                         {
979                                                 if(developer.integer >= 100)
980                                                         Con_Printf("too high refresh rate\n");
981                                                 continue;
982                                         }
983                                         else if(thismode.dmDisplayFrequency <= gdevmode.dmDisplayFrequency)
984                                         {
985                                                 if(developer.integer >= 100)
986                                                         Con_Printf("doesn't beat previous best match (too low)\n");
987                                                 continue;
988                                         }
989                                 }
990                                 else if(foundmode)
991                                 {
992                                         // we do have one, but it isn't good... make sure it has a lower frequency than the previous one
993                                         if(thismode.dmDisplayFrequency >= gdevmode.dmDisplayFrequency)
994                                         {
995                                                 if(developer.integer >= 100)
996                                                         Con_Printf("doesn't beat previous best match (too high)\n");
997                                                 continue;
998                                         }
999                                 }
1000                                 // otherwise, take anything
1001
1002                                 memcpy(&gdevmode, &thismode, sizeof(gdevmode));
1003                                 if(thismode.dmDisplayFrequency <= (DWORD)refreshrate)
1004                                         foundgoodmode = true;
1005                                 else
1006                                 {
1007                                         if(developer.integer >= 100)
1008                                                 Con_Printf("(out of range)\n");
1009                                 }
1010                                 foundmode = true;
1011                                 if(developer.integer >= 100)
1012                                         Con_Printf("accepted\n");
1013                         }
1014                 }
1015
1016                 if (!foundmode)
1017                 {
1018                         VID_Shutdown();
1019                         Con_Printf("Unable to find the requested mode %dx%dx%dbpp\n", width, height, bpp);
1020                         return false;
1021                 }
1022                 else if(ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
1023                 {
1024                         VID_Shutdown();
1025                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
1026                         return false;
1027                 }
1028
1029                 vid_isfullscreen = true;
1030                 WindowStyle = WS_POPUP;
1031                 ExWindowStyle = WS_EX_TOPMOST;
1032         }
1033         else
1034         {
1035                 hdc = GetDC (NULL);
1036                 i = GetDeviceCaps(hdc, RASTERCAPS);
1037                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
1038                 ReleaseDC (NULL, hdc);
1039                 if (i & RC_PALETTE)
1040                 {
1041                         VID_Shutdown();
1042                         Con_Print("Can't run in non-RGB mode\n");
1043                         return false;
1044                 }
1045                 if (bpp > depth)
1046                 {
1047                         VID_Shutdown();
1048                         Con_Print("A higher desktop depth is required to run this video mode\n");
1049                         return false;
1050                 }
1051
1052                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
1053                 ExWindowStyle = 0;
1054         }
1055
1056         rect.top = 0;
1057         rect.left = 0;
1058         rect.right = width;
1059         rect.bottom = height;
1060         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
1061
1062         if (fullscreen)
1063         {
1064                 CenterX = 0;
1065                 CenterY = 0;
1066         }
1067         else
1068         {
1069                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
1070                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
1071         }
1072         CenterX = max(0, CenterX);
1073         CenterY = max(0, CenterY);
1074
1075         // x and y may be changed by WM_MOVE messages
1076         window_x = CenterX;
1077         window_y = CenterY;
1078         rect.left += CenterX;
1079         rect.right += CenterX;
1080         rect.top += CenterY;
1081         rect.bottom += CenterY;
1082
1083         pixelformat = 0;
1084         newpixelformat = 0;
1085         // start out at the final windowpass if samples is 1 as it's the only feature we need extended pixel formats for
1086         for (windowpass = samples == 1;windowpass < 2;windowpass++)
1087         {
1088                 gl_extensions = "";
1089                 gl_platformextensions = "";
1090
1091                 mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
1092                 if (!mainwindow)
1093                 {
1094                         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);
1095                         VID_Shutdown();
1096                         return false;
1097                 }
1098
1099                 baseDC = GetDC(mainwindow);
1100
1101                 if (!newpixelformat)
1102                         newpixelformat = ChoosePixelFormat(baseDC, &pfd);
1103                 pixelformat = newpixelformat;
1104                 if (!pixelformat)
1105                 {
1106                         VID_Shutdown();
1107                         Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
1108                         return false;
1109                 }
1110
1111                 if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
1112                 {
1113                         VID_Shutdown();
1114                         Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
1115                         return false;
1116                 }
1117
1118                 if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
1119                 {
1120                         VID_Shutdown();
1121                         Con_Print("wgl functions not found\n");
1122                         return false;
1123                 }
1124
1125                 baseRC = qwglCreateContext(baseDC);
1126                 if (!baseRC)
1127                 {
1128                         VID_Shutdown();
1129                         Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
1130                         return false;
1131                 }
1132                 if (!qwglMakeCurrent(baseDC, baseRC))
1133                 {
1134                         VID_Shutdown();
1135                         Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
1136                         return false;
1137                 }
1138
1139                 if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
1140                 {
1141                         VID_Shutdown();
1142                         Con_Print("glGetString not found\n");
1143                         return false;
1144                 }
1145                 if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
1146                         Con_Print("wglGetExtensionsStringARB not found\n");
1147
1148                 gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
1149                 gl_platform = "WGL";
1150                 gl_platformextensions = "";
1151
1152                 if (qwglGetExtensionsStringARB)
1153                         gl_platformextensions = (const char *)qwglGetExtensionsStringARB(baseDC);
1154
1155                 if (!gl_extensions)
1156                         gl_extensions = "";
1157                 if (!gl_platformextensions)
1158                         gl_platformextensions = "";
1159
1160                 // now some nice Windows pain:
1161                 // we have created a window, we needed one to find out if there are
1162                 // any multisample pixel formats available, the problem is that to
1163                 // actually use one of those multisample formats we now have to
1164                 // recreate the window (yes Microsoft OpenGL really is that bad)
1165
1166                 if (windowpass == 0)
1167                 {
1168                         if (!GL_CheckExtension("WGL_ARB_pixel_format", wglpixelformatfuncs, "-noarbpixelformat", false) || !qwglChoosePixelFormatARB(baseDC, attribs, attribsf, 1, &newpixelformat, &numpixelformats) || !newpixelformat)
1169                                 break;
1170                         // ok we got one - do it all over again with newpixelformat
1171                         qwglMakeCurrent(NULL, NULL);
1172                         qwglDeleteContext(baseRC);baseRC = 0;
1173                         ReleaseDC(mainwindow, baseDC);baseDC = 0;
1174                         // eat up any messages waiting for us
1175                         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1176                         {
1177                                 TranslateMessage (&msg);
1178                                 DispatchMessage (&msg);
1179                         }
1180                 }
1181         }
1182
1183         /*
1184         if (!fullscreen)
1185                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
1186         */
1187
1188         ShowWindow (mainwindow, SW_SHOWDEFAULT);
1189         UpdateWindow (mainwindow);
1190
1191         // now we try to make sure we get the focus on the mode switch, because
1192         // sometimes in some systems we don't.  We grab the foreground, then
1193         // finish setting up, pump all our messages, and sleep for a little while
1194         // to let messages finish bouncing around the system, then we put
1195         // ourselves at the top of the z order, then grab the foreground again,
1196         // Who knows if it helps, but it probably doesn't hurt
1197         SetForegroundWindow (mainwindow);
1198
1199         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1200         {
1201                 TranslateMessage (&msg);
1202                 DispatchMessage (&msg);
1203         }
1204
1205         Sleep (100);
1206
1207         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
1208
1209         SetForegroundWindow (mainwindow);
1210
1211         // fix the leftover Alt from any Alt-Tab or the like that switched us away
1212         ClearAllStates ();
1213
1214         gl_videosyncavailable = false;
1215
1216 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
1217         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
1218
1219         GL_Init ();
1220
1221         //vid_menudrawfn = VID_MenuDraw;
1222         //vid_menukeyfn = VID_MenuKey;
1223         vid_usingmouse = false;
1224         vid_usinghidecursor = false;
1225         vid_usingvsync = false;
1226         vid_hidden = false;
1227         vid_initialized = true;
1228
1229         IN_StartupMouse ();
1230         IN_StartupJoystick ();
1231
1232         if (gl_videosyncavailable)
1233         {
1234                 vid_usevsync = vid_vsync.integer;
1235                 vid_usingvsync = vid_vsync.integer;
1236                 qwglSwapIntervalEXT (vid_usevsync);
1237         }
1238
1239         return true;
1240 }
1241
1242 static void IN_Shutdown(void);
1243 void VID_Shutdown (void)
1244 {
1245         if(vid_initialized == false)
1246                 return;
1247
1248         VID_SetMouse(false, false, false);
1249         VID_RestoreSystemGamma();
1250
1251         vid_initialized = false;
1252         IN_Shutdown();
1253         if (qwglMakeCurrent)
1254                 qwglMakeCurrent(NULL, NULL);
1255         if (baseRC && qwglDeleteContext)
1256                 qwglDeleteContext(baseRC);
1257         // close the library before we get rid of the window
1258         GL_CloseLibrary();
1259         if (baseDC && mainwindow)
1260                 ReleaseDC(mainwindow, baseDC);
1261         AppActivate(false, false);
1262         if (mainwindow)
1263                 DestroyWindow(mainwindow);
1264         mainwindow = 0;
1265         if (vid_isfullscreen)
1266                 ChangeDisplaySettings (NULL, 0);
1267         vid_isfullscreen = false;
1268 }
1269
1270 void VID_SetMouse(qboolean fullscreengrab, qboolean relative, qboolean hidecursor)
1271 {
1272         static qboolean restore_spi;
1273         static int originalmouseparms[3];
1274
1275         if (!mouseinitialized)
1276                 return;
1277
1278         if (relative)
1279         {
1280                 if (!vid_usingmouse)
1281                 {
1282                         vid_usingmouse = true;
1283                         cl_ignoremousemoves = 2;
1284 #ifdef SUPPORTDIRECTX
1285                         if (dinput && g_pMouse)
1286                         {
1287                                 IDirectInputDevice_Acquire(g_pMouse);
1288                                 dinput_acquired = true;
1289                         }
1290                         else
1291 #endif
1292                         {
1293                                 RECT window_rect;
1294                                 window_rect.left = window_x;
1295                                 window_rect.top = window_y;
1296                                 window_rect.right = window_x + vid.width;
1297                                 window_rect.bottom = window_y + vid.height;
1298
1299                                 // change mouse settings to turn off acceleration
1300 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1301                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1302                                 {
1303                                         int newmouseparms[3];
1304                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1305                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1306                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1307                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1308                                 }
1309                                 else
1310                                         restore_spi = false;
1311                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1312
1313                                 SetCapture (mainwindow);
1314                                 ClipCursor (&window_rect);
1315                         }
1316                 }
1317         }
1318         else
1319         {
1320                 if (vid_usingmouse)
1321                 {
1322                         vid_usingmouse = false;
1323                         cl_ignoremousemoves = 2;
1324 #ifdef SUPPORTDIRECTX
1325                         if (dinput_acquired)
1326                         {
1327                                 IDirectInputDevice_Unacquire(g_pMouse);
1328                                 dinput_acquired = false;
1329                         }
1330                         else
1331 #endif
1332                         {
1333                                 // restore system mouseparms if we changed them
1334                                 if (restore_spi)
1335                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1336                                 restore_spi = false;
1337                                 ClipCursor (NULL);
1338                                 ReleaseCapture ();
1339                         }
1340                 }
1341         }
1342
1343         if (vid_usinghidecursor != hidecursor)
1344         {
1345                 vid_usinghidecursor = hidecursor;
1346                 ShowCursor (!hidecursor);
1347         }
1348 }
1349
1350
1351 #ifdef SUPPORTDIRECTX
1352 /*
1353 ===========
1354 IN_InitDInput
1355 ===========
1356 */
1357 static qboolean IN_InitDInput (void)
1358 {
1359     HRESULT             hr;
1360         DIPROPDWORD     dipdw = {
1361                 {
1362                         sizeof(DIPROPDWORD),        // diph.dwSize
1363                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1364                         0,                          // diph.dwObj
1365                         DIPH_DEVICE,                // diph.dwHow
1366                 },
1367                 DINPUT_BUFFERSIZE,              // dwData
1368         };
1369
1370         if (!hInstDI)
1371         {
1372                 hInstDI = LoadLibrary("dinput.dll");
1373
1374                 if (hInstDI == NULL)
1375                 {
1376                         Con_Print("Couldn't load dinput.dll\n");
1377                         return false;
1378                 }
1379         }
1380
1381         if (!pDirectInputCreate)
1382         {
1383                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1384
1385                 if (!pDirectInputCreate)
1386                 {
1387                         Con_Print("Couldn't get DI proc addr\n");
1388                         return false;
1389                 }
1390         }
1391
1392 // register with DirectInput and get an IDirectInput to play with.
1393         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1394
1395         if (FAILED(hr))
1396         {
1397                 return false;
1398         }
1399
1400 // obtain an interface to the system mouse device.
1401         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1402
1403         if (FAILED(hr))
1404         {
1405                 Con_Print("Couldn't open DI mouse device\n");
1406                 return false;
1407         }
1408
1409 // set the data format to "mouse format".
1410         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1411
1412         if (FAILED(hr))
1413         {
1414                 Con_Print("Couldn't set DI mouse format\n");
1415                 return false;
1416         }
1417
1418 // set the cooperativity level.
1419         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1420                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1421
1422         if (FAILED(hr))
1423         {
1424                 Con_Print("Couldn't set DI coop level\n");
1425                 return false;
1426         }
1427
1428
1429 // set the buffer size to DINPUT_BUFFERSIZE elements.
1430 // the buffer size is a DWORD property associated with the device
1431         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1432
1433         if (FAILED(hr))
1434         {
1435                 Con_Print("Couldn't set DI buffersize\n");
1436                 return false;
1437         }
1438
1439         return true;
1440 }
1441 #endif
1442
1443
1444 /*
1445 ===========
1446 IN_StartupMouse
1447 ===========
1448 */
1449 static void IN_StartupMouse (void)
1450 {
1451         if (COM_CheckParm ("-nomouse"))
1452                 return;
1453
1454         mouseinitialized = true;
1455
1456 #ifdef SUPPORTDIRECTX
1457 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1458         if (COM_CheckParm ("-dinput"))
1459                 dinput = IN_InitDInput ();
1460
1461         if (dinput)
1462                 Con_Print("DirectInput initialized\n");
1463         else
1464                 Con_Print("DirectInput not initialized\n");
1465 #endif
1466
1467         mouse_buttons = 10;
1468 }
1469
1470
1471 /*
1472 ===========
1473 IN_MouseMove
1474 ===========
1475 */
1476 static void IN_MouseMove (void)
1477 {
1478         POINT current_pos;
1479
1480         GetCursorPos (&current_pos);
1481         in_windowmouse_x = current_pos.x - window_x;
1482         in_windowmouse_y = current_pos.y - window_y;
1483
1484         if (!vid_usingmouse)
1485                 return;
1486
1487 #ifdef SUPPORTDIRECTX
1488         if (dinput_acquired)
1489         {
1490                 int i;
1491                 DIDEVICEOBJECTDATA      od;
1492                 DWORD                           dwElements;
1493                 HRESULT                         hr;
1494
1495                 for (;;)
1496                 {
1497                         dwElements = 1;
1498
1499                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1500                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1501
1502                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1503                         {
1504                                 IDirectInputDevice_Acquire(g_pMouse);
1505                                 break;
1506                         }
1507
1508                         /* Unable to read data or no data available */
1509                         if (FAILED(hr) || dwElements == 0)
1510                                 break;
1511
1512                         /* Look at the element to see what happened */
1513
1514                         switch (od.dwOfs)
1515                         {
1516                                 case DIMOFS_X:
1517                                         in_mouse_x += (LONG) od.dwData;
1518                                         break;
1519
1520                                 case DIMOFS_Y:
1521                                         in_mouse_y += (LONG) od.dwData;
1522                                         break;
1523
1524                                 case DIMOFS_Z:
1525                                         if((LONG) od.dwData < 0)
1526                                         {
1527                                                 Key_Event (K_MWHEELDOWN, 0, true);
1528                                                 Key_Event (K_MWHEELDOWN, 0, false);
1529                                         }
1530                                         else if((LONG) od.dwData > 0)
1531                                         {
1532                                                 Key_Event (K_MWHEELUP, 0, true);
1533                                                 Key_Event (K_MWHEELUP, 0, false);
1534                                         }
1535                                         break;
1536
1537                                 case DIMOFS_BUTTON0:
1538                                         if (od.dwData & 0x80)
1539                                                 mstate_di |= 1;
1540                                         else
1541                                                 mstate_di &= ~1;
1542                                         break;
1543
1544                                 case DIMOFS_BUTTON1:
1545                                         if (od.dwData & 0x80)
1546                                                 mstate_di |= (1<<1);
1547                                         else
1548                                                 mstate_di &= ~(1<<1);
1549                                         break;
1550
1551                                 case DIMOFS_BUTTON2:
1552                                         if (od.dwData & 0x80)
1553                                                 mstate_di |= (1<<2);
1554                                         else
1555                                                 mstate_di &= ~(1<<2);
1556                                         break;
1557
1558                                 case DIMOFS_BUTTON3:
1559                                         if (od.dwData & 0x80)
1560                                                 mstate_di |= (1<<3);
1561                                         else
1562                                                 mstate_di &= ~(1<<3);
1563                                         break;
1564                         }
1565                 }
1566
1567                 // perform button actions
1568                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1569                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1570                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1571                 mouse_oldbuttonstate = mstate_di;
1572         }
1573         else
1574 #endif
1575         {
1576                 in_mouse_x += in_windowmouse_x - (int)(vid.width / 2);
1577                 in_mouse_y += in_windowmouse_y - (int)(vid.height / 2);
1578
1579                 // if the mouse has moved, force it to the center, so there's room to move
1580                 if (in_mouse_x || in_mouse_y)
1581                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1582         }
1583 }
1584
1585
1586 /*
1587 ===========
1588 IN_Move
1589 ===========
1590 */
1591 void IN_Move (void)
1592 {
1593         if (vid_activewindow && !vid_hidden)
1594         {
1595                 IN_MouseMove ();
1596                 IN_JoyMove ();
1597         }
1598 }
1599
1600
1601 /*
1602 ===============
1603 IN_StartupJoystick
1604 ===============
1605 */
1606 static void IN_StartupJoystick (void)
1607 {
1608         int                     numdevs;
1609         JOYCAPS         jc;
1610         MMRESULT        mmr;
1611         mmr = 0;
1612
1613         // assume no joystick
1614         joy_avail = false;
1615
1616         // abort startup if user requests no joystick
1617 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1618         if (COM_CheckParm ("-nojoy"))
1619                 return;
1620
1621         // verify joystick driver is present
1622         if ((numdevs = joyGetNumDevs ()) == 0)
1623         {
1624                 Con_Print("\njoystick not found -- driver not present\n\n");
1625                 return;
1626         }
1627
1628         // cycle through the joystick ids for the first valid one
1629         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1630         {
1631                 memset (&ji, 0, sizeof(ji));
1632                 ji.dwSize = sizeof(ji);
1633                 ji.dwFlags = JOY_RETURNCENTERED;
1634
1635                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1636                         break;
1637         }
1638
1639         // abort startup if we didn't find a valid joystick
1640         if (mmr != JOYERR_NOERROR)
1641         {
1642                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1643                 return;
1644         }
1645
1646         // get the capabilities of the selected joystick
1647         // abort startup if command fails
1648         memset (&jc, 0, sizeof(jc));
1649         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1650         {
1651                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1652                 return;
1653         }
1654
1655         // save the joystick's number of buttons and POV status
1656         joy_numbuttons = jc.wNumButtons;
1657         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1658
1659         // old button and POV states default to no buttons pressed
1660         joy_oldbuttonstate = joy_oldpovstate = 0;
1661
1662         // mark the joystick as available and advanced initialization not completed
1663         // this is needed as cvars are not available during initialization
1664
1665         joy_avail = true;
1666         joy_advancedinit = false;
1667
1668         Con_Print("\njoystick detected\n\n");
1669 }
1670
1671
1672 /*
1673 ===========
1674 RawValuePointer
1675 ===========
1676 */
1677 static PDWORD RawValuePointer (int axis)
1678 {
1679         switch (axis)
1680         {
1681         case JOY_AXIS_X:
1682                 return &ji.dwXpos;
1683         case JOY_AXIS_Y:
1684                 return &ji.dwYpos;
1685         case JOY_AXIS_Z:
1686                 return &ji.dwZpos;
1687         case JOY_AXIS_R:
1688                 return &ji.dwRpos;
1689         case JOY_AXIS_U:
1690                 return &ji.dwUpos;
1691         case JOY_AXIS_V:
1692                 return &ji.dwVpos;
1693         }
1694         return NULL; // LordHavoc: hush compiler warning
1695 }
1696
1697
1698 /*
1699 ===========
1700 Joy_AdvancedUpdate_f
1701 ===========
1702 */
1703 static void Joy_AdvancedUpdate_f (void)
1704 {
1705
1706         // called once by IN_ReadJoystick and by user whenever an update is needed
1707         // cvars are now available
1708         int     i;
1709         DWORD dwTemp;
1710
1711         // initialize all the maps
1712         for (i = 0; i < JOY_MAX_AXES; i++)
1713         {
1714                 dwAxisMap[i] = AxisNada;
1715                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1716                 pdwRawValue[i] = RawValuePointer(i);
1717         }
1718
1719         if( joy_advanced.integer == 0)
1720         {
1721                 // default joystick initialization
1722                 // 2 axes only with joystick control
1723                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1724                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1725                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1726                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1727         }
1728         else
1729         {
1730                 if (strcmp (joy_name.string, "joystick") != 0)
1731                 {
1732                         // notify user of advanced controller
1733                         Con_Printf("\n%s configured\n\n", joy_name.string);
1734                 }
1735
1736                 // advanced initialization here
1737                 // data supplied by user via joy_axisn cvars
1738                 dwTemp = (DWORD) joy_advaxisx.value;
1739                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1740                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1741                 dwTemp = (DWORD) joy_advaxisy.value;
1742                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1743                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1744                 dwTemp = (DWORD) joy_advaxisz.value;
1745                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1746                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1747                 dwTemp = (DWORD) joy_advaxisr.value;
1748                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1749                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1750                 dwTemp = (DWORD) joy_advaxisu.value;
1751                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1752                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1753                 dwTemp = (DWORD) joy_advaxisv.value;
1754                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1755                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1756         }
1757
1758         // compute the axes to collect from DirectInput
1759         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1760         for (i = 0; i < JOY_MAX_AXES; i++)
1761         {
1762                 if (dwAxisMap[i] != AxisNada)
1763                 {
1764                         joy_flags |= dwAxisFlags[i];
1765                 }
1766         }
1767 }
1768
1769 /*
1770 ===============
1771 IN_ReadJoystick
1772 ===============
1773 */
1774 static qboolean IN_ReadJoystick (void)
1775 {
1776
1777         memset (&ji, 0, sizeof(ji));
1778         ji.dwSize = sizeof(ji);
1779         ji.dwFlags = joy_flags;
1780
1781         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1782         {
1783                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1784                 // rather than having 32768 be the zero point, they have the zero point at 32668
1785                 // go figure -- anyway, now we get the full resolution out of the device
1786                 if (joy_wwhack1.integer != 0.0)
1787                 {
1788                         ji.dwUpos += 100;
1789                 }
1790                 return true;
1791         }
1792         else
1793         {
1794                 // read error occurred
1795                 // turning off the joystick seems too harsh for 1 read error,
1796                 // but what should be done?
1797                 return false;
1798         }
1799 }
1800
1801
1802 /*
1803 ===========
1804 IN_JoyMove
1805 ===========
1806 */
1807 static void IN_JoyMove (void)
1808 {
1809         float   speed, aspeed;
1810         float   fAxisValue, fTemp;
1811         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1812
1813         // complete initialization if first time in
1814         // this is needed as cvars are not available at initialization time
1815         if( joy_advancedinit != true )
1816         {
1817                 Joy_AdvancedUpdate_f();
1818                 joy_advancedinit = true;
1819         }
1820
1821         if (joy_avail)
1822         {
1823                 int             i, key_index;
1824                 DWORD   buttonstate, povstate;
1825
1826                 // loop through the joystick buttons
1827                 // key a joystick event or auxillary event for higher number buttons for each state change
1828                 buttonstate = ji.dwButtons;
1829                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1830                 {
1831                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1832                         {
1833                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1834                                 Key_Event (key_index + i, 0, true);
1835                         }
1836
1837                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1838                         {
1839                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1840                                 Key_Event (key_index + i, 0, false);
1841                         }
1842                 }
1843                 joy_oldbuttonstate = buttonstate;
1844
1845                 if (joy_haspov)
1846                 {
1847                         // convert POV information into 4 bits of state information
1848                         // this avoids any potential problems related to moving from one
1849                         // direction to another without going through the center position
1850                         povstate = 0;
1851                         if(ji.dwPOV != JOY_POVCENTERED)
1852                         {
1853                                 if (ji.dwPOV == JOY_POVFORWARD)
1854                                         povstate |= 0x01;
1855                                 if (ji.dwPOV == JOY_POVRIGHT)
1856                                         povstate |= 0x02;
1857                                 if (ji.dwPOV == JOY_POVBACKWARD)
1858                                         povstate |= 0x04;
1859                                 if (ji.dwPOV == JOY_POVLEFT)
1860                                         povstate |= 0x08;
1861                         }
1862                         // determine which bits have changed and key an auxillary event for each change
1863                         for (i=0 ; i < 4 ; i++)
1864                         {
1865                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1866                                 {
1867                                         Key_Event (K_AUX29 + i, 0, true);
1868                                 }
1869
1870                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1871                                 {
1872                                         Key_Event (K_AUX29 + i, 0, false);
1873                                 }
1874                         }
1875                         joy_oldpovstate = povstate;
1876                 }
1877         }
1878
1879         // verify joystick is available and that the user wants to use it
1880         if (!joy_avail || !in_joystick.integer)
1881         {
1882                 return;
1883         }
1884
1885         // collect the joystick data, if possible
1886         if (IN_ReadJoystick () != true)
1887         {
1888                 return;
1889         }
1890
1891         if (in_speed.state & 1)
1892                 speed = cl_movespeedkey.value;
1893         else
1894                 speed = 1;
1895         // LordHavoc: viewzoom affects sensitivity for sniping
1896         aspeed = speed * cl.realframetime * cl.viewzoom;
1897
1898         // loop through the axes
1899         for (i = 0; i < JOY_MAX_AXES; i++)
1900         {
1901                 // get the floating point zero-centered, potentially-inverted data for the current axis
1902                 fAxisValue = (float) *pdwRawValue[i];
1903                 // move centerpoint to zero
1904                 fAxisValue -= 32768.0;
1905
1906                 if (joy_wwhack2.integer != 0.0)
1907                 {
1908                         if (dwAxisMap[i] == AxisTurn)
1909                         {
1910                                 // this is a special formula for the Logitech WingMan Warrior
1911                                 // y=ax^b; where a = 300 and b = 1.3
1912                                 // also x values are in increments of 800 (so this is factored out)
1913                                 // then bounds check result to level out excessively high spin rates
1914                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1915                                 if (fTemp > 14000.0)
1916                                         fTemp = 14000.0;
1917                                 // restore direction information
1918                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1919                         }
1920                 }
1921
1922                 // convert range from -32768..32767 to -1..1
1923                 fAxisValue /= 32768.0;
1924
1925                 switch (dwAxisMap[i])
1926                 {
1927                 case AxisForward:
1928                         if ((joy_advanced.integer == 0) && mouselook)
1929                         {
1930                                 // user wants forward control to become look control
1931                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1932                                 {
1933                                         // if mouse invert is on, invert the joystick pitch value
1934                                         // only absolute control support here (joy_advanced is false)
1935                                         if (m_pitch.value < 0.0)
1936                                         {
1937                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1938                                         }
1939                                         else
1940                                         {
1941                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1942                                         }
1943                                         V_StopPitchDrift();
1944                                 }
1945                                 else
1946                                 {
1947                                         // no pitch movement
1948                                         // disable pitch return-to-center unless requested by user
1949                                         // *** this code can be removed when the lookspring bug is fixed
1950                                         // *** the bug always has the lookspring feature on
1951                                         if(lookspring.value == 0.0)
1952                                                 V_StopPitchDrift();
1953                                 }
1954                         }
1955                         else
1956                         {
1957                                 // user wants forward control to be forward control
1958                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1959                                 {
1960                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1961                                 }
1962                         }
1963                         break;
1964
1965                 case AxisSide:
1966                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1967                         {
1968                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1969                         }
1970                         break;
1971
1972                 case AxisTurn:
1973                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1974                         {
1975                                 // user wants turn control to become side control
1976                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1977                                 {
1978                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1979                                 }
1980                         }
1981                         else
1982                         {
1983                                 // user wants turn control to be turn control
1984                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1985                                 {
1986                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1987                                         {
1988                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1989                                         }
1990                                         else
1991                                         {
1992                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1993                                         }
1994
1995                                 }
1996                         }
1997                         break;
1998
1999                 case AxisLook:
2000                         if (mouselook)
2001                         {
2002                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
2003                                 {
2004                                         // pitch movement detected and pitch movement desired by user
2005                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
2006                                         {
2007                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
2008                                         }
2009                                         else
2010                                         {
2011                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
2012                                         }
2013                                         V_StopPitchDrift();
2014                                 }
2015                                 else
2016                                 {
2017                                         // no pitch movement
2018                                         // disable pitch return-to-center unless requested by user
2019                                         // *** this code can be removed when the lookspring bug is fixed
2020                                         // *** the bug always has the lookspring feature on
2021                                         if(lookspring.integer == 0)
2022                                                 V_StopPitchDrift();
2023                                 }
2024                         }
2025                         break;
2026
2027                 default:
2028                         break;
2029                 }
2030         }
2031 }
2032
2033 static void IN_Init(void)
2034 {
2035         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
2036
2037         // joystick variables
2038         Cvar_RegisterVariable (&in_joystick);
2039         Cvar_RegisterVariable (&joy_name);
2040         Cvar_RegisterVariable (&joy_advanced);
2041         Cvar_RegisterVariable (&joy_advaxisx);
2042         Cvar_RegisterVariable (&joy_advaxisy);
2043         Cvar_RegisterVariable (&joy_advaxisz);
2044         Cvar_RegisterVariable (&joy_advaxisr);
2045         Cvar_RegisterVariable (&joy_advaxisu);
2046         Cvar_RegisterVariable (&joy_advaxisv);
2047         Cvar_RegisterVariable (&joy_forwardthreshold);
2048         Cvar_RegisterVariable (&joy_sidethreshold);
2049         Cvar_RegisterVariable (&joy_pitchthreshold);
2050         Cvar_RegisterVariable (&joy_yawthreshold);
2051         Cvar_RegisterVariable (&joy_forwardsensitivity);
2052         Cvar_RegisterVariable (&joy_sidesensitivity);
2053         Cvar_RegisterVariable (&joy_pitchsensitivity);
2054         Cvar_RegisterVariable (&joy_yawsensitivity);
2055         Cvar_RegisterVariable (&joy_wwhack1);
2056         Cvar_RegisterVariable (&joy_wwhack2);
2057         Cvar_RegisterVariable (&vid_forcerefreshrate);
2058         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
2059 }
2060
2061 static void IN_Shutdown(void)
2062 {
2063 #ifdef SUPPORTDIRECTX
2064         if (g_pMouse)
2065                 IDirectInputDevice_Release(g_pMouse);
2066         g_pMouse = NULL;
2067
2068         if (g_pdi)
2069                 IDirectInput_Release(g_pdi);
2070         g_pdi = NULL;
2071 #endif
2072 }