vid_usemouse doesn't need to be a global variable
[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 #include "quakedef.h"
23 #include <windows.h>
24 #include <dsound.h>
25 #include "resource.h"
26 #include <commctrl.h>
27
28 extern void S_BlockSound (void);
29 extern void S_UnblockSound (void);
30 extern HINSTANCE global_hInstance;
31
32
33 #ifndef WM_MOUSEWHEEL
34 #define WM_MOUSEWHEEL                   0x020A
35 #endif
36
37 // Tell startup code that we have a client
38 int cl_available = true;
39
40 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
41 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
42 //static int (WINAPI *qwglGetPixelFormat)(HDC);
43 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
44 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
45 static HGLRC (WINAPI *qwglCreateContext)(HDC);
46 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
47 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
48 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
49 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
50 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
51 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
52 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
53
54 static dllfunction_t wglfuncs[] =
55 {
56         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
57         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
58 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
59         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
60         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
61         {"wglCreateContext", (void **) &qwglCreateContext},
62         {"wglDeleteContext", (void **) &qwglDeleteContext},
63         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
64         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
65         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
66         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
67         {NULL, NULL}
68 };
69
70 static dllfunction_t wglswapintervalfuncs[] =
71 {
72         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
73         {NULL, NULL}
74 };
75
76 static DEVMODE gdevmode;
77 static qboolean vid_initialized = false;
78 static qboolean vid_wassuspended = false;
79 static qboolean vid_usingmouse = false;
80 static qboolean vid_usingvsync = false;
81 static qboolean vid_usevsync = false;
82 static HICON hIcon;
83
84 // used by cd_win.c and snd_win.c
85 HWND mainwindow;
86
87 static HDC       baseDC;
88 static HGLRC baseRC;
89
90 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
91
92 static qboolean vid_isfullscreen;
93
94 //void VID_MenuDraw (void);
95 //void VID_MenuKey (int key);
96
97 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
98 //void AppActivate(BOOL fActive, BOOL minimize);
99 //void ClearAllStates (void);
100 //void VID_UpdateWindowStatus (void);
101
102 //====================================
103
104 static int window_x, window_y;
105
106 static void IN_Activate (qboolean grab);
107
108 static qboolean mouseinitialized;
109 static qboolean dinput;
110
111 // input code
112
113 #include <dinput.h>
114
115 #define DINPUT_BUFFERSIZE           16
116 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
117
118 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
119
120 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
121 /* backslash :: imouse explorer buttons */
122 /* These are #ifdefed out for non-Win2K in the February 2001 version of
123    MS's platform SDK, but we need them for compilation. . . */
124 #ifndef WM_XBUTTONDOWN
125    #define WM_XBUTTONDOWN      0x020B
126    #define WM_XBUTTONUP      0x020C
127 #endif
128 #ifndef MK_XBUTTON1
129    #define MK_XBUTTON1         0x0020
130    #define MK_XBUTTON2         0x0040
131 // LordHavoc: lets hope this allows more buttons in the future...
132    #define MK_XBUTTON3         0x0080
133    #define MK_XBUTTON4         0x0100
134    #define MK_XBUTTON5         0x0200
135    #define MK_XBUTTON6         0x0400
136    #define MK_XBUTTON7         0x0800
137 #endif
138 /* :: backslash */
139
140 // mouse variables
141 static int                      mouse_buttons;
142 static int                      mouse_oldbuttonstate;
143
144 static qboolean restore_spi;
145 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
146
147 static unsigned int uiWheelMessage;
148 static qboolean mouseparmsvalid;
149 static qboolean dinput_acquired;
150
151 static unsigned int             mstate_di;
152
153 // joystick defines and variables
154 // where should defines be moved?
155 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
156 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
157 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
158 #define JOY_AXIS_X                      0
159 #define JOY_AXIS_Y                      1
160 #define JOY_AXIS_Z                      2
161 #define JOY_AXIS_R                      3
162 #define JOY_AXIS_U                      4
163 #define JOY_AXIS_V                      5
164
165 enum _ControlList
166 {
167         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
168 };
169
170 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
171 {
172         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
173 };
174
175 static DWORD    dwAxisMap[JOY_MAX_AXES];
176 static DWORD    dwControlMap[JOY_MAX_AXES];
177 static PDWORD   pdwRawValue[JOY_MAX_AXES];
178
179 // none of these cvars are saved over a session
180 // this means that advanced controller configuration needs to be executed
181 // each time.  this avoids any problems with getting back to a default usage
182 // or when changing from one controller to another.  this way at least something
183 // works.
184 static cvar_t   in_joystick = {CVAR_SAVE, "joystick","0"};
185 static cvar_t   joy_name = {0, "joyname", "joystick"};
186 static cvar_t   joy_advanced = {0, "joyadvanced", "0"};
187 static cvar_t   joy_advaxisx = {0, "joyadvaxisx", "0"};
188 static cvar_t   joy_advaxisy = {0, "joyadvaxisy", "0"};
189 static cvar_t   joy_advaxisz = {0, "joyadvaxisz", "0"};
190 static cvar_t   joy_advaxisr = {0, "joyadvaxisr", "0"};
191 static cvar_t   joy_advaxisu = {0, "joyadvaxisu", "0"};
192 static cvar_t   joy_advaxisv = {0, "joyadvaxisv", "0"};
193 static cvar_t   joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
194 static cvar_t   joy_sidethreshold = {0, "joysidethreshold", "0.15"};
195 static cvar_t   joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
196 static cvar_t   joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
197 static cvar_t   joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
198 static cvar_t   joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
199 static cvar_t   joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
200 static cvar_t   joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
201 static cvar_t   joy_wwhack1 = {0, "joywwhack1", "0.0"};
202 static cvar_t   joy_wwhack2 = {0, "joywwhack2", "0.0"};
203
204 static qboolean joy_avail, joy_advancedinit, joy_haspov;
205 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
206
207 static int                      joy_id;
208 static DWORD            joy_flags;
209 static DWORD            joy_numbuttons;
210
211 static LPDIRECTINPUT            g_pdi;
212 static LPDIRECTINPUTDEVICE      g_pMouse;
213
214 static JOYINFOEX        ji;
215
216 static HINSTANCE hInstDI;
217
218 //static qboolean       dinput;
219
220 typedef struct MYDATA {
221         LONG  lX;                   // X axis goes here
222         LONG  lY;                   // Y axis goes here
223         LONG  lZ;                   // Z axis goes here
224         BYTE  bButtonA;             // One button goes here
225         BYTE  bButtonB;             // Another button goes here
226         BYTE  bButtonC;             // Another button goes here
227         BYTE  bButtonD;             // Another button goes here
228 } MYDATA;
229
230 static DIOBJECTDATAFORMAT rgodf[] = {
231   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
232   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
233   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
234   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
235   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
236   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
237   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
238 };
239
240 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
241
242 static DIDATAFORMAT     df = {
243         sizeof(DIDATAFORMAT),       // this structure
244         sizeof(DIOBJECTDATAFORMAT), // size of object data format
245         DIDF_RELAXIS,               // absolute axis coordinates
246         sizeof(MYDATA),             // device data size
247         NUM_OBJECTS,                // number of objects
248         rgodf,                      // and here they are
249 };
250
251 // forward-referenced functions
252 static void IN_StartupJoystick (void);
253 static void Joy_AdvancedUpdate_f (void);
254 static void IN_JoyMove (void);
255 static void IN_StartupMouse (void);
256
257
258 //====================================
259
260 void VID_Finish (void)
261 {
262         qboolean vid_usemouse;
263
264         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
265         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
266         {
267                 vid_usingvsync = vid_usevsync;
268                 qwglSwapIntervalEXT (vid_usevsync);
269         }
270
271 // handle the mouse state when windowed if that's changed
272         vid_usemouse = false;
273         if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
274                 vid_usemouse = true;
275         if (vid_isfullscreen)
276                 vid_usemouse = true;
277         if (!vid_activewindow)
278                 vid_usemouse = false;
279         IN_Activate(vid_usemouse);
280
281         if (r_render.integer && !vid_hidden)
282         {
283                 if (r_speeds.integer || gl_finish.integer)
284                         qglFinish();
285                 SwapBuffers(baseDC);
286         }
287 }
288
289 //==========================================================================
290
291
292
293
294 static qbyte scantokey[128] =
295 {
296 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
297         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
298         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
299         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
300         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
301         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
302         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
303         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
304         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
305 };
306
307
308 /*
309 =======
310 MapKey
311
312 Map from windows to quake keynums
313 =======
314 */
315 static int MapKey (int key, int virtualkey)
316 {
317         int result;
318         int modified = (key >> 16) & 255;
319         qboolean is_extended = false;
320
321         if (modified < 128 && scantokey[modified])
322                 result = scantokey[modified];
323         else
324         {
325                 result = 0;
326                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
327         }
328
329         if (key & (1 << 24))
330                 is_extended = true;
331
332         if ( !is_extended )
333         {
334                 switch ( result )
335                 {
336                 case K_HOME:
337                         return K_KP_HOME;
338                 case K_UPARROW:
339                         return K_KP_UPARROW;
340                 case K_PGUP:
341                         return K_KP_PGUP;
342                 case K_LEFTARROW:
343                         return K_KP_LEFTARROW;
344                 case K_RIGHTARROW:
345                         return K_KP_RIGHTARROW;
346                 case K_END:
347                         return K_KP_END;
348                 case K_DOWNARROW:
349                         return K_KP_DOWNARROW;
350                 case K_PGDN:
351                         return K_KP_PGDN;
352                 case K_INS:
353                         return K_KP_INS;
354                 case K_DEL:
355                         return K_KP_DEL;
356                 default:
357                         return result;
358                 }
359         }
360         else
361         {
362                 switch ( result )
363                 {
364                 case 0x0D:
365                         return K_KP_ENTER;
366                 case 0x2F:
367                         return K_KP_SLASH;
368                 case 0xAF:
369                         return K_KP_PLUS;
370                 }
371                 return result;
372         }
373 }
374
375 /*
376 ===================================================================
377
378 MAIN WINDOW
379
380 ===================================================================
381 */
382
383 /*
384 ================
385 ClearAllStates
386 ================
387 */
388 static void ClearAllStates (void)
389 {
390         Key_ClearStates ();
391         if (vid_usingmouse)
392                 mouse_oldbuttonstate = 0;
393 }
394
395 void AppActivate(BOOL fActive, BOOL minimize)
396 /****************************************************************************
397 *
398 * Function:     AppActivate
399 * Parameters:   fActive - True if app is activating
400 *
401 * Description:  If the application is activating, then swap the system
402 *               into SYSPAL_NOSTATIC mode so that our palettes will display
403 *               correctly.
404 *
405 ****************************************************************************/
406 {
407         static BOOL     sound_active;
408
409         vid_activewindow = fActive;
410         vid_hidden = minimize;
411
412 // enable/disable sound on focus gain/loss
413         if (!vid_activewindow && sound_active)
414         {
415                 S_BlockSound ();
416                 sound_active = false;
417         }
418         else if (vid_activewindow && !sound_active)
419         {
420                 S_UnblockSound ();
421                 sound_active = true;
422         }
423
424         if (fActive)
425         {
426                 if (vid_isfullscreen)
427                 {
428                         if (vid_wassuspended)
429                         {
430                                 vid_wassuspended = false;
431                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
432                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
433                         }
434
435                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
436                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
437                 }
438         }
439
440         if (!fActive)
441         {
442                 IN_Activate (false);
443                 if (vid_isfullscreen)
444                 {
445                         ChangeDisplaySettings (NULL, 0);
446                         vid_wassuspended = true;
447                 }
448                 VID_RestoreSystemGamma();
449         }
450 }
451
452 //TODO: move it around in vid_wgl.c since I dont think this is the right position
453 void Sys_SendKeyEvents (void)
454 {
455         MSG msg;
456
457         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
458         {
459                 if (!GetMessage (&msg, NULL, 0, 0))
460                         Sys_Quit ();
461
462                 TranslateMessage (&msg);
463                 DispatchMessage (&msg);
464         }
465 }
466
467 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
468
469 /* main window procedure */
470 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
471 {
472         LONG    lRet = 1;
473         int             fActive, fMinimized, temp;
474         char    state[256];
475         char    asciichar[4];
476         int             vkey;
477         qboolean down = false;
478
479         if ( uMsg == uiWheelMessage )
480                 uMsg = WM_MOUSEWHEEL;
481
482         switch (uMsg)
483         {
484                 case WM_KILLFOCUS:
485                         if (vid_isfullscreen)
486                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
487                         break;
488
489                 case WM_CREATE:
490                         break;
491
492                 case WM_MOVE:
493                         window_x = (int) LOWORD(lParam);
494                         window_y = (int) HIWORD(lParam);
495                         IN_Activate(false);
496                         break;
497
498                 case WM_KEYDOWN:
499                 case WM_SYSKEYDOWN:
500                         down = true;
501                 case WM_KEYUP:
502                 case WM_SYSKEYUP:
503                         vkey = MapKey(lParam, wParam);
504                         GetKeyboardState (state);
505                         // alt/ctrl/shift tend to produce funky ToAscii values,
506                         // and if it's not a single character we don't know care about it
507                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
508                                 asciichar[0] = 0;
509                         Key_Event (vkey, asciichar[0], down);
510                         break;
511
512                 case WM_SYSCHAR:
513                 // keep Alt-Space from happening
514                         break;
515
516         // this is complicated because Win32 seems to pack multiple mouse events into
517         // one update sometimes, so we always check all states and look for events
518                 case WM_LBUTTONDOWN:
519                 case WM_LBUTTONUP:
520                 case WM_RBUTTONDOWN:
521                 case WM_RBUTTONUP:
522                 case WM_MBUTTONDOWN:
523                 case WM_MBUTTONUP:
524                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
525                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
526                 case WM_MOUSEMOVE:
527                         temp = 0;
528
529                         if (wParam & MK_LBUTTON)
530                                 temp |= 1;
531
532                         if (wParam & MK_RBUTTON)
533                                 temp |= 2;
534
535                         if (wParam & MK_MBUTTON)
536                                 temp |= 4;
537
538                         /* backslash :: imouse explorer buttons */
539                         if (wParam & MK_XBUTTON1)
540                                 temp |= 8;
541
542                         if (wParam & MK_XBUTTON2)
543                                 temp |= 16;
544                         /* :: backslash */
545
546                         // LordHavoc: lets hope this allows more buttons in the future...
547                         if (wParam & MK_XBUTTON3)
548                                 temp |= 32;
549                         if (wParam & MK_XBUTTON4)
550                                 temp |= 64;
551                         if (wParam & MK_XBUTTON5)
552                                 temp |= 128;
553                         if (wParam & MK_XBUTTON6)
554                                 temp |= 256;
555                         if (wParam & MK_XBUTTON7)
556                                 temp |= 512;
557
558                         if (vid_usingmouse && !dinput_acquired)
559                         {
560                                 // perform button actions
561                                 int i;
562                                 for (i=0 ; i<mouse_buttons ; i++)
563                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
564                                                 Key_Event (K_MOUSE1 + i, 0, (temp & (1<<i)) != 0);
565                                 mouse_oldbuttonstate = temp;
566                         }
567
568                         break;
569
570                 // JACK: This is the mouse wheel with the Intellimouse
571                 // Its delta is either positive or neg, and we generate the proper
572                 // Event.
573                 case WM_MOUSEWHEEL:
574                         if ((short) HIWORD(wParam) > 0) {
575                                 Key_Event(K_MWHEELUP, 0, true);
576                                 Key_Event(K_MWHEELUP, 0, false);
577                         } else {
578                                 Key_Event(K_MWHEELDOWN, 0, true);
579                                 Key_Event(K_MWHEELDOWN, 0, false);
580                         }
581                         break;
582
583                 case WM_SIZE:
584                         break;
585
586                 case WM_CLOSE:
587                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
588                                 Sys_Quit ();
589
590                         break;
591
592                 case WM_ACTIVATE:
593                         fActive = LOWORD(wParam);
594                         fMinimized = (BOOL) HIWORD(wParam);
595                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
596
597                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
598                         ClearAllStates ();
599
600                         break;
601
602                 //case WM_DESTROY:
603                 //      PostQuitMessage (0);
604                 //      break;
605
606                 case MM_MCINOTIFY:
607                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
608                         break;
609
610                 default:
611                         /* pass all unhandled messages to DefWindowProc */
612                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
613                 break;
614         }
615
616         /* return 1 if handled message, 0 if not */
617         return lRet;
618 }
619
620 int VID_SetGamma(unsigned short *ramps)
621 {
622         HDC hdc = GetDC (NULL);
623         int i = SetDeviceGammaRamp(hdc, ramps);
624         ReleaseDC (NULL, hdc);
625         return i; // return success or failure
626 }
627
628 int VID_GetGamma(unsigned short *ramps)
629 {
630         HDC hdc = GetDC (NULL);
631         int i = GetDeviceGammaRamp(hdc, ramps);
632         ReleaseDC (NULL, hdc);
633         return i; // return success or failure
634 }
635
636 static HINSTANCE gldll;
637
638 static void GL_CloseLibrary(void)
639 {
640         FreeLibrary(gldll);
641         gldll = 0;
642         gl_driver[0] = 0;
643         qwglGetProcAddress = NULL;
644         gl_extensions = "";
645         gl_platform = "";
646         gl_platformextensions = "";
647 }
648
649 static int GL_OpenLibrary(const char *name)
650 {
651         Con_Printf("Loading OpenGL driver %s\n", name);
652         GL_CloseLibrary();
653         if (!(gldll = LoadLibrary(name)))
654         {
655                 Con_Printf("Unable to LoadLibrary %s\n", name);
656                 return false;
657         }
658         strcpy(gl_driver, name);
659         return true;
660 }
661
662 void *GL_GetProcAddress(const char *name)
663 {
664         void *p = NULL;
665         if (qwglGetProcAddress != NULL)
666                 p = (void *) qwglGetProcAddress(name);
667         if (p == NULL)
668                 p = (void *) GetProcAddress(gldll, name);
669         return p;
670 }
671
672 static void IN_Init(void);
673 void VID_Init(void)
674 {
675         WNDCLASS wc;
676
677         InitCommonControls();
678         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
679
680         // Register the frame class
681         wc.style         = 0;
682         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
683         wc.cbClsExtra    = 0;
684         wc.cbWndExtra    = 0;
685         wc.hInstance     = global_hInstance;
686         wc.hIcon         = hIcon;
687         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
688         wc.hbrBackground = NULL;
689         wc.lpszMenuName  = 0;
690         wc.lpszClassName = "DarkPlacesWindowClass";
691
692         if (!RegisterClass (&wc))
693                 Sys_Error("Couldn't register window class\n");
694
695         IN_Init();
696 }
697
698 int VID_InitMode (int fullscreen, int width, int height, int bpp)
699 {
700         int i;
701         HDC hdc;
702         RECT rect;
703         MSG msg;
704         PIXELFORMATDESCRIPTOR pfd =
705         {
706                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
707                 1,                              // version number
708                 PFD_DRAW_TO_WINDOW              // support window
709                 |  PFD_SUPPORT_OPENGL   // support OpenGL
710                 |  PFD_DOUBLEBUFFER ,   // double buffered
711                 PFD_TYPE_RGBA,                  // RGBA type
712                 24,                             // 24-bit color depth
713                 0, 0, 0, 0, 0, 0,               // color bits ignored
714                 0,                              // no alpha buffer
715                 0,                              // shift bit ignored
716                 0,                              // no accumulation buffer
717                 0, 0, 0, 0,                     // accum bits ignored
718                 32,                             // 32-bit z-buffer
719                 0,                              // no stencil buffer
720                 0,                              // no auxiliary buffer
721                 PFD_MAIN_PLANE,                 // main layer
722                 0,                              // reserved
723                 0, 0, 0                         // layer masks ignored
724         };
725         int pixelformat;
726         DWORD WindowStyle, ExWindowStyle;
727         int CenterX, CenterY;
728         const char *gldrivername;
729         int depth;
730
731         if (vid_initialized)
732                 Sys_Error("VID_InitMode called when video is already initialised\n");
733
734         // if stencil is enabled, ask for alpha too
735         if (bpp >= 32)
736         {
737                 pfd.cStencilBits = 8;
738                 pfd.cAlphaBits = 8;
739         }
740         else
741         {
742                 pfd.cStencilBits = 0;
743                 pfd.cAlphaBits = 0;
744         }
745
746         gldrivername = "opengl32.dll";
747 // 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
748         i = COM_CheckParm("-gl_driver");
749         if (i && i < com_argc - 1)
750                 gldrivername = com_argv[i + 1];
751         if (!GL_OpenLibrary(gldrivername))
752         {
753                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
754                 return false;
755         }
756
757         memset(&gdevmode, 0, sizeof(gdevmode));
758
759         vid_isfullscreen = false;
760         if (fullscreen)
761         {
762                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
763                 gdevmode.dmBitsPerPel = bpp;
764                 gdevmode.dmPelsWidth = width;
765                 gdevmode.dmPelsHeight = height;
766                 gdevmode.dmSize = sizeof (gdevmode);
767                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
768                 {
769                         VID_Shutdown();
770                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
771                         return false;
772                 }
773
774                 vid_isfullscreen = true;
775                 WindowStyle = WS_POPUP;
776                 ExWindowStyle = WS_EX_TOPMOST;
777         }
778         else
779         {
780                 hdc = GetDC (NULL);
781                 i = GetDeviceCaps(hdc, RASTERCAPS);
782                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
783                 ReleaseDC (NULL, hdc);
784                 if (i & RC_PALETTE)
785                 {
786                         VID_Shutdown();
787                         Con_Print("Can't run in non-RGB mode\n");
788                         return false;
789                 }
790                 if (bpp > depth)
791                 {
792                         VID_Shutdown();
793                         Con_Print("A higher desktop depth is required to run this video mode\n");
794                         return false;
795                 }
796
797                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
798                 ExWindowStyle = 0;
799         }
800
801         rect.top = 0;
802         rect.left = 0;
803         rect.right = width;
804         rect.bottom = height;
805         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
806
807         if (fullscreen)
808         {
809                 CenterX = 0;
810                 CenterY = 0;
811         }
812         else
813         {
814                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
815                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
816         }
817         CenterX = max(0, CenterX);
818         CenterY = max(0, CenterY);
819
820         // x and y may be changed by WM_MOVE messages
821         window_x = CenterX;
822         window_y = CenterY;
823         rect.left += CenterX;
824         rect.right += CenterX;
825         rect.top += CenterY;
826         rect.bottom += CenterY;
827
828         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
829         if (!mainwindow)
830         {
831                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
832                 VID_Shutdown();
833                 return false;
834         }
835
836         /*
837         if (!fullscreen)
838                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
839         */
840
841         ShowWindow (mainwindow, SW_SHOWDEFAULT);
842         UpdateWindow (mainwindow);
843
844         // now we try to make sure we get the focus on the mode switch, because
845         // sometimes in some systems we don't.  We grab the foreground, then
846         // finish setting up, pump all our messages, and sleep for a little while
847         // to let messages finish bouncing around the system, then we put
848         // ourselves at the top of the z order, then grab the foreground again,
849         // Who knows if it helps, but it probably doesn't hurt
850         SetForegroundWindow (mainwindow);
851
852         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
853         {
854                 TranslateMessage (&msg);
855                 DispatchMessage (&msg);
856         }
857
858         Sleep (100);
859
860         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
861
862         SetForegroundWindow (mainwindow);
863
864         // fix the leftover Alt from any Alt-Tab or the like that switched us away
865         ClearAllStates ();
866
867         baseDC = GetDC(mainwindow);
868
869         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
870         {
871                 VID_Shutdown();
872                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
873                 return false;
874         }
875
876         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
877         {
878                 VID_Shutdown();
879                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
880                 return false;
881         }
882
883         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
884         {
885                 VID_Shutdown();
886                 Con_Print("wgl functions not found\n");
887                 return false;
888         }
889
890         baseRC = qwglCreateContext(baseDC);
891         if (!baseRC)
892         {
893                 VID_Shutdown();
894                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
895                 return false;
896         }
897         if (!qwglMakeCurrent(baseDC, baseRC))
898         {
899                 VID_Shutdown();
900                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
901                 return false;
902         }
903
904         qglGetString = GL_GetProcAddress("glGetString");
905         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
906         if (qglGetString == NULL)
907         {
908                 VID_Shutdown();
909                 Con_Print("glGetString not found\n");
910                 return false;
911         }
912         gl_renderer = qglGetString(GL_RENDERER);
913         gl_vendor = qglGetString(GL_VENDOR);
914         gl_version = qglGetString(GL_VERSION);
915         gl_extensions = qglGetString(GL_EXTENSIONS);
916         gl_platform = "WGL";
917         gl_platformextensions = "";
918
919         gl_videosyncavailable = false;
920
921         if (qwglGetExtensionsStringARB)
922                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
923
924 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
925         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
926         //ReleaseDC(mainwindow, hdc);
927
928         GL_Init ();
929
930         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
931         if (strncasecmp(gl_vendor,"ATI",3)==0)
932         {
933                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
934                         isRagePro = true;
935         }
936         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
937                 isG200 = true;
938
939         //vid_menudrawfn = VID_MenuDraw;
940         //vid_menukeyfn = VID_MenuKey;
941         vid_usingmouse = false;
942         vid_usingvsync = false;
943         vid_hidden = false;
944         vid_initialized = true;
945
946         IN_StartupMouse ();
947         IN_StartupJoystick ();
948
949         return true;
950 }
951
952 static void IN_Shutdown(void);
953 void VID_Shutdown (void)
954 {
955         if(vid_initialized == false)
956                 return;
957
958         VID_RestoreSystemGamma();
959
960         vid_initialized = false;
961         IN_Shutdown();
962         if (qwglMakeCurrent)
963                 qwglMakeCurrent(NULL, NULL);
964         if (baseRC && qwglDeleteContext)
965                 qwglDeleteContext(baseRC);
966         // close the library before we get rid of the window
967         GL_CloseLibrary();
968         if (baseDC && mainwindow)
969                 ReleaseDC(mainwindow, baseDC);
970         AppActivate(false, false);
971         if (mainwindow)
972                 DestroyWindow(mainwindow);
973         mainwindow = 0;
974         if (vid_isfullscreen)
975                 ChangeDisplaySettings (NULL, 0);
976         vid_isfullscreen = false;
977 }
978
979 static void IN_Activate (qboolean grab)
980 {
981         if (!mouseinitialized)
982                 return;
983
984         if (grab)
985         {
986                 if (!vid_usingmouse)
987                 {
988                         vid_usingmouse = true;
989                         cl_ignoremousemove = true;
990                         if (dinput && g_pMouse)
991                         {
992                                 IDirectInputDevice_Acquire(g_pMouse);
993                                 dinput_acquired = true;
994                         }
995                         else
996                         {
997                                 RECT window_rect;
998                                 window_rect.left = window_x;
999                                 window_rect.top = window_y;
1000                                 window_rect.right = window_x + vid.width;
1001                                 window_rect.bottom = window_y + vid.height;
1002                                 if (mouseparmsvalid)
1003                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1004                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1005                                 SetCapture (mainwindow);
1006                                 ClipCursor (&window_rect);
1007                         }
1008                         ShowCursor (false);
1009                 }
1010         }
1011         else
1012         {
1013                 if (vid_usingmouse)
1014                 {
1015                         vid_usingmouse = false;
1016                         cl_ignoremousemove = true;
1017                         if (dinput_acquired)
1018                         {
1019                                 IDirectInputDevice_Unacquire(g_pMouse);
1020                                 dinput_acquired = false;
1021                         }
1022                         else
1023                         {
1024                                 if (restore_spi)
1025                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1026                                 ClipCursor (NULL);
1027                                 ReleaseCapture ();
1028                         }
1029                         ShowCursor (true);
1030                 }
1031         }
1032 }
1033
1034
1035 /*
1036 ===========
1037 IN_InitDInput
1038 ===========
1039 */
1040 static qboolean IN_InitDInput (void)
1041 {
1042     HRESULT             hr;
1043         DIPROPDWORD     dipdw = {
1044                 {
1045                         sizeof(DIPROPDWORD),        // diph.dwSize
1046                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1047                         0,                          // diph.dwObj
1048                         DIPH_DEVICE,                // diph.dwHow
1049                 },
1050                 DINPUT_BUFFERSIZE,              // dwData
1051         };
1052
1053         if (!hInstDI)
1054         {
1055                 hInstDI = LoadLibrary("dinput.dll");
1056
1057                 if (hInstDI == NULL)
1058                 {
1059                         Con_Print("Couldn't load dinput.dll\n");
1060                         return false;
1061                 }
1062         }
1063
1064         if (!pDirectInputCreate)
1065         {
1066                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1067
1068                 if (!pDirectInputCreate)
1069                 {
1070                         Con_Print("Couldn't get DI proc addr\n");
1071                         return false;
1072                 }
1073         }
1074
1075 // register with DirectInput and get an IDirectInput to play with.
1076         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1077
1078         if (FAILED(hr))
1079         {
1080                 return false;
1081         }
1082
1083 // obtain an interface to the system mouse device.
1084         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1085
1086         if (FAILED(hr))
1087         {
1088                 Con_Print("Couldn't open DI mouse device\n");
1089                 return false;
1090         }
1091
1092 // set the data format to "mouse format".
1093         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1094
1095         if (FAILED(hr))
1096         {
1097                 Con_Print("Couldn't set DI mouse format\n");
1098                 return false;
1099         }
1100
1101 // set the cooperativity level.
1102         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1103                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1104
1105         if (FAILED(hr))
1106         {
1107                 Con_Print("Couldn't set DI coop level\n");
1108                 return false;
1109         }
1110
1111
1112 // set the buffer size to DINPUT_BUFFERSIZE elements.
1113 // the buffer size is a DWORD property associated with the device
1114         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1115
1116         if (FAILED(hr))
1117         {
1118                 Con_Print("Couldn't set DI buffersize\n");
1119                 return false;
1120         }
1121
1122         return true;
1123 }
1124
1125
1126 /*
1127 ===========
1128 IN_StartupMouse
1129 ===========
1130 */
1131 static void IN_StartupMouse (void)
1132 {
1133         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1134                 return;
1135
1136         mouseinitialized = true;
1137
1138 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1139         if (COM_CheckParm ("-dinput"))
1140                 dinput = IN_InitDInput ();
1141
1142         if (dinput)
1143                 Con_Print("DirectInput initialized\n");
1144         else
1145                 Con_Print("DirectInput not initialized\n");
1146
1147         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1148
1149         if (mouseparmsvalid)
1150         {
1151 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1152                 if ( COM_CheckParm ("-noforcemspd") )
1153                         newmouseparms[2] = originalmouseparms[2];
1154
1155 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1156                 if ( COM_CheckParm ("-noforcemaccel") )
1157                 {
1158                         newmouseparms[0] = originalmouseparms[0];
1159                         newmouseparms[1] = originalmouseparms[1];
1160                 }
1161
1162 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1163                 if ( COM_CheckParm ("-noforcemparms") )
1164                 {
1165                         newmouseparms[0] = originalmouseparms[0];
1166                         newmouseparms[1] = originalmouseparms[1];
1167                         newmouseparms[2] = originalmouseparms[2];
1168                 }
1169         }
1170
1171         mouse_buttons = 10;
1172 }
1173
1174
1175 /*
1176 ===========
1177 IN_MouseMove
1178 ===========
1179 */
1180 static void IN_MouseMove (void)
1181 {
1182         int i, mx, my;
1183         POINT current_pos;
1184
1185         if (!vid_usingmouse)
1186         {
1187                 //GetCursorPos (&current_pos);
1188                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1189                 return;
1190         }
1191
1192         if (dinput_acquired)
1193         {
1194                 DIDEVICEOBJECTDATA      od;
1195                 DWORD                           dwElements;
1196                 HRESULT                         hr;
1197                 mx = 0;
1198                 my = 0;
1199
1200                 for (;;)
1201                 {
1202                         dwElements = 1;
1203
1204                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1205                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1206
1207                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1208                         {
1209                                 IDirectInputDevice_Acquire(g_pMouse);
1210                                 break;
1211                         }
1212
1213                         /* Unable to read data or no data available */
1214                         if (FAILED(hr) || dwElements == 0)
1215                                 break;
1216
1217                         /* Look at the element to see what happened */
1218
1219                         switch (od.dwOfs)
1220                         {
1221                                 case DIMOFS_X:
1222                                         mx += od.dwData;
1223                                         break;
1224
1225                                 case DIMOFS_Y:
1226                                         my += od.dwData;
1227                                         break;
1228
1229                                 case DIMOFS_BUTTON0:
1230                                         if (od.dwData & 0x80)
1231                                                 mstate_di |= 1;
1232                                         else
1233                                                 mstate_di &= ~1;
1234                                         break;
1235
1236                                 case DIMOFS_BUTTON1:
1237                                         if (od.dwData & 0x80)
1238                                                 mstate_di |= (1<<1);
1239                                         else
1240                                                 mstate_di &= ~(1<<1);
1241                                         break;
1242
1243                                 case DIMOFS_BUTTON2:
1244                                         if (od.dwData & 0x80)
1245                                                 mstate_di |= (1<<2);
1246                                         else
1247                                                 mstate_di &= ~(1<<2);
1248                                         break;
1249                         }
1250                 }
1251
1252                 // perform button actions
1253                 for (i=0 ; i<mouse_buttons ; i++)
1254                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1255                                 Key_Event (K_MOUSE1 + i, 0, (mstate_di & (1<<i)) != 0);
1256                 mouse_oldbuttonstate = mstate_di;
1257
1258                 in_mouse_x = mx;
1259                 in_mouse_y = my;
1260         }
1261         else
1262         {
1263                 GetCursorPos (&current_pos);
1264                 mx = current_pos.x - (window_x + vid.width / 2);
1265                 my = current_pos.y - (window_y + vid.height / 2);
1266
1267                 in_mouse_x = mx;
1268                 in_mouse_y = my;
1269
1270                 // if the mouse has moved, force it to the center, so there's room to move
1271                 if (mx || my)
1272                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1273         }
1274 }
1275
1276
1277 /*
1278 ===========
1279 IN_Move
1280 ===========
1281 */
1282 void IN_Move (void)
1283 {
1284         if (vid_activewindow && !vid_hidden)
1285         {
1286                 IN_MouseMove ();
1287                 IN_JoyMove ();
1288         }
1289 }
1290
1291
1292 /*
1293 ===============
1294 IN_StartupJoystick
1295 ===============
1296 */
1297 static void IN_StartupJoystick (void)
1298 {
1299         int                     numdevs;
1300         JOYCAPS         jc;
1301         MMRESULT        mmr;
1302         mmr = 0;
1303
1304         // assume no joystick
1305         joy_avail = false;
1306
1307         // abort startup if user requests no joystick
1308 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1309         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1310                 return;
1311
1312         // verify joystick driver is present
1313         if ((numdevs = joyGetNumDevs ()) == 0)
1314         {
1315                 Con_Print("\njoystick not found -- driver not present\n\n");
1316                 return;
1317         }
1318
1319         // cycle through the joystick ids for the first valid one
1320         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1321         {
1322                 memset (&ji, 0, sizeof(ji));
1323                 ji.dwSize = sizeof(ji);
1324                 ji.dwFlags = JOY_RETURNCENTERED;
1325
1326                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1327                         break;
1328         }
1329
1330         // abort startup if we didn't find a valid joystick
1331         if (mmr != JOYERR_NOERROR)
1332         {
1333                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1334                 return;
1335         }
1336
1337         // get the capabilities of the selected joystick
1338         // abort startup if command fails
1339         memset (&jc, 0, sizeof(jc));
1340         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1341         {
1342                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1343                 return;
1344         }
1345
1346         // save the joystick's number of buttons and POV status
1347         joy_numbuttons = jc.wNumButtons;
1348         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1349
1350         // old button and POV states default to no buttons pressed
1351         joy_oldbuttonstate = joy_oldpovstate = 0;
1352
1353         // mark the joystick as available and advanced initialization not completed
1354         // this is needed as cvars are not available during initialization
1355
1356         joy_avail = true;
1357         joy_advancedinit = false;
1358
1359         Con_Print("\njoystick detected\n\n");
1360 }
1361
1362
1363 /*
1364 ===========
1365 RawValuePointer
1366 ===========
1367 */
1368 static PDWORD RawValuePointer (int axis)
1369 {
1370         switch (axis)
1371         {
1372         case JOY_AXIS_X:
1373                 return &ji.dwXpos;
1374         case JOY_AXIS_Y:
1375                 return &ji.dwYpos;
1376         case JOY_AXIS_Z:
1377                 return &ji.dwZpos;
1378         case JOY_AXIS_R:
1379                 return &ji.dwRpos;
1380         case JOY_AXIS_U:
1381                 return &ji.dwUpos;
1382         case JOY_AXIS_V:
1383                 return &ji.dwVpos;
1384         }
1385         return NULL; // LordHavoc: hush compiler warning
1386 }
1387
1388
1389 /*
1390 ===========
1391 Joy_AdvancedUpdate_f
1392 ===========
1393 */
1394 static void Joy_AdvancedUpdate_f (void)
1395 {
1396
1397         // called once by IN_ReadJoystick and by user whenever an update is needed
1398         // cvars are now available
1399         int     i;
1400         DWORD dwTemp;
1401
1402         // initialize all the maps
1403         for (i = 0; i < JOY_MAX_AXES; i++)
1404         {
1405                 dwAxisMap[i] = AxisNada;
1406                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1407                 pdwRawValue[i] = RawValuePointer(i);
1408         }
1409
1410         if( joy_advanced.integer == 0)
1411         {
1412                 // default joystick initialization
1413                 // 2 axes only with joystick control
1414                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1415                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1416                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1417                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1418         }
1419         else
1420         {
1421                 if (strcmp (joy_name.string, "joystick") != 0)
1422                 {
1423                         // notify user of advanced controller
1424                         Con_Printf("\n%s configured\n\n", joy_name.string);
1425                 }
1426
1427                 // advanced initialization here
1428                 // data supplied by user via joy_axisn cvars
1429                 dwTemp = (DWORD) joy_advaxisx.value;
1430                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1431                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1432                 dwTemp = (DWORD) joy_advaxisy.value;
1433                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1434                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1435                 dwTemp = (DWORD) joy_advaxisz.value;
1436                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1437                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1438                 dwTemp = (DWORD) joy_advaxisr.value;
1439                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1440                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1441                 dwTemp = (DWORD) joy_advaxisu.value;
1442                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1443                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1444                 dwTemp = (DWORD) joy_advaxisv.value;
1445                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1446                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1447         }
1448
1449         // compute the axes to collect from DirectInput
1450         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1451         for (i = 0; i < JOY_MAX_AXES; i++)
1452         {
1453                 if (dwAxisMap[i] != AxisNada)
1454                 {
1455                         joy_flags |= dwAxisFlags[i];
1456                 }
1457         }
1458 }
1459
1460 /*
1461 ===============
1462 IN_ReadJoystick
1463 ===============
1464 */
1465 static qboolean IN_ReadJoystick (void)
1466 {
1467
1468         memset (&ji, 0, sizeof(ji));
1469         ji.dwSize = sizeof(ji);
1470         ji.dwFlags = joy_flags;
1471
1472         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1473         {
1474                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1475                 // rather than having 32768 be the zero point, they have the zero point at 32668
1476                 // go figure -- anyway, now we get the full resolution out of the device
1477                 if (joy_wwhack1.integer != 0.0)
1478                 {
1479                         ji.dwUpos += 100;
1480                 }
1481                 return true;
1482         }
1483         else
1484         {
1485                 // read error occurred
1486                 // turning off the joystick seems too harsh for 1 read error,
1487                 // but what should be done?
1488                 return false;
1489         }
1490 }
1491
1492
1493 /*
1494 ===========
1495 IN_JoyMove
1496 ===========
1497 */
1498 static void IN_JoyMove (void)
1499 {
1500         float   speed, aspeed;
1501         float   fAxisValue, fTemp;
1502         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1503
1504         // complete initialization if first time in
1505         // this is needed as cvars are not available at initialization time
1506         if( joy_advancedinit != true )
1507         {
1508                 Joy_AdvancedUpdate_f();
1509                 joy_advancedinit = true;
1510         }
1511
1512         if (joy_avail)
1513         {
1514                 int             i, key_index;
1515                 DWORD   buttonstate, povstate;
1516
1517                 // loop through the joystick buttons
1518                 // key a joystick event or auxillary event for higher number buttons for each state change
1519                 buttonstate = ji.dwButtons;
1520                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1521                 {
1522                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1523                         {
1524                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1525                                 Key_Event (key_index + i, 0, true);
1526                         }
1527
1528                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1529                         {
1530                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1531                                 Key_Event (key_index + i, 0, false);
1532                         }
1533                 }
1534                 joy_oldbuttonstate = buttonstate;
1535
1536                 if (joy_haspov)
1537                 {
1538                         // convert POV information into 4 bits of state information
1539                         // this avoids any potential problems related to moving from one
1540                         // direction to another without going through the center position
1541                         povstate = 0;
1542                         if(ji.dwPOV != JOY_POVCENTERED)
1543                         {
1544                                 if (ji.dwPOV == JOY_POVFORWARD)
1545                                         povstate |= 0x01;
1546                                 if (ji.dwPOV == JOY_POVRIGHT)
1547                                         povstate |= 0x02;
1548                                 if (ji.dwPOV == JOY_POVBACKWARD)
1549                                         povstate |= 0x04;
1550                                 if (ji.dwPOV == JOY_POVLEFT)
1551                                         povstate |= 0x08;
1552                         }
1553                         // determine which bits have changed and key an auxillary event for each change
1554                         for (i=0 ; i < 4 ; i++)
1555                         {
1556                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1557                                 {
1558                                         Key_Event (K_AUX29 + i, 0, true);
1559                                 }
1560
1561                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1562                                 {
1563                                         Key_Event (K_AUX29 + i, 0, false);
1564                                 }
1565                         }
1566                         joy_oldpovstate = povstate;
1567                 }
1568         }
1569
1570         // verify joystick is available and that the user wants to use it
1571         if (!joy_avail || !in_joystick.integer)
1572         {
1573                 return;
1574         }
1575
1576         // collect the joystick data, if possible
1577         if (IN_ReadJoystick () != true)
1578         {
1579                 return;
1580         }
1581
1582         if (in_speed.state & 1)
1583                 speed = cl_movespeedkey.value;
1584         else
1585                 speed = 1;
1586         // LordHavoc: viewzoom affects sensitivity for sniping
1587         aspeed = speed * host_realframetime * cl.viewzoom;
1588
1589         // loop through the axes
1590         for (i = 0; i < JOY_MAX_AXES; i++)
1591         {
1592                 // get the floating point zero-centered, potentially-inverted data for the current axis
1593                 fAxisValue = (float) *pdwRawValue[i];
1594                 // move centerpoint to zero
1595                 fAxisValue -= 32768.0;
1596
1597                 if (joy_wwhack2.integer != 0.0)
1598                 {
1599                         if (dwAxisMap[i] == AxisTurn)
1600                         {
1601                                 // this is a special formula for the Logitech WingMan Warrior
1602                                 // y=ax^b; where a = 300 and b = 1.3
1603                                 // also x values are in increments of 800 (so this is factored out)
1604                                 // then bounds check result to level out excessively high spin rates
1605                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1606                                 if (fTemp > 14000.0)
1607                                         fTemp = 14000.0;
1608                                 // restore direction information
1609                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1610                         }
1611                 }
1612
1613                 // convert range from -32768..32767 to -1..1
1614                 fAxisValue /= 32768.0;
1615
1616                 switch (dwAxisMap[i])
1617                 {
1618                 case AxisForward:
1619                         if ((joy_advanced.integer == 0) && mouselook)
1620                         {
1621                                 // user wants forward control to become look control
1622                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1623                                 {
1624                                         // if mouse invert is on, invert the joystick pitch value
1625                                         // only absolute control support here (joy_advanced is false)
1626                                         if (m_pitch.value < 0.0)
1627                                         {
1628                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1629                                         }
1630                                         else
1631                                         {
1632                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1633                                         }
1634                                         V_StopPitchDrift();
1635                                 }
1636                                 else
1637                                 {
1638                                         // no pitch movement
1639                                         // disable pitch return-to-center unless requested by user
1640                                         // *** this code can be removed when the lookspring bug is fixed
1641                                         // *** the bug always has the lookspring feature on
1642                                         if(lookspring.value == 0.0)
1643                                                 V_StopPitchDrift();
1644                                 }
1645                         }
1646                         else
1647                         {
1648                                 // user wants forward control to be forward control
1649                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1650                                 {
1651                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1652                                 }
1653                         }
1654                         break;
1655
1656                 case AxisSide:
1657                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1658                         {
1659                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1660                         }
1661                         break;
1662
1663                 case AxisTurn:
1664                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1665                         {
1666                                 // user wants turn control to become side control
1667                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1668                                 {
1669                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1670                                 }
1671                         }
1672                         else
1673                         {
1674                                 // user wants turn control to be turn control
1675                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1676                                 {
1677                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1678                                         {
1679                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1680                                         }
1681                                         else
1682                                         {
1683                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1684                                         }
1685
1686                                 }
1687                         }
1688                         break;
1689
1690                 case AxisLook:
1691                         if (mouselook)
1692                         {
1693                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1694                                 {
1695                                         // pitch movement detected and pitch movement desired by user
1696                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1697                                         {
1698                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1699                                         }
1700                                         else
1701                                         {
1702                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1703                                         }
1704                                         V_StopPitchDrift();
1705                                 }
1706                                 else
1707                                 {
1708                                         // no pitch movement
1709                                         // disable pitch return-to-center unless requested by user
1710                                         // *** this code can be removed when the lookspring bug is fixed
1711                                         // *** the bug always has the lookspring feature on
1712                                         if(lookspring.integer == 0)
1713                                                 V_StopPitchDrift();
1714                                 }
1715                         }
1716                         break;
1717
1718                 default:
1719                         break;
1720                 }
1721         }
1722 }
1723
1724 static void IN_Init(void)
1725 {
1726         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1727
1728         // joystick variables
1729         Cvar_RegisterVariable (&in_joystick);
1730         Cvar_RegisterVariable (&joy_name);
1731         Cvar_RegisterVariable (&joy_advanced);
1732         Cvar_RegisterVariable (&joy_advaxisx);
1733         Cvar_RegisterVariable (&joy_advaxisy);
1734         Cvar_RegisterVariable (&joy_advaxisz);
1735         Cvar_RegisterVariable (&joy_advaxisr);
1736         Cvar_RegisterVariable (&joy_advaxisu);
1737         Cvar_RegisterVariable (&joy_advaxisv);
1738         Cvar_RegisterVariable (&joy_forwardthreshold);
1739         Cvar_RegisterVariable (&joy_sidethreshold);
1740         Cvar_RegisterVariable (&joy_pitchthreshold);
1741         Cvar_RegisterVariable (&joy_yawthreshold);
1742         Cvar_RegisterVariable (&joy_forwardsensitivity);
1743         Cvar_RegisterVariable (&joy_sidesensitivity);
1744         Cvar_RegisterVariable (&joy_pitchsensitivity);
1745         Cvar_RegisterVariable (&joy_yawsensitivity);
1746         Cvar_RegisterVariable (&joy_wwhack1);
1747         Cvar_RegisterVariable (&joy_wwhack2);
1748         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1749 }
1750
1751 static void IN_Shutdown(void)
1752 {
1753         IN_Activate (false);
1754
1755         if (g_pMouse)
1756                 IDirectInputDevice_Release(g_pMouse);
1757         g_pMouse = NULL;
1758
1759         if (g_pdi)
1760                 IDirectInput_Release(g_pdi);
1761         g_pdi = NULL;
1762 }