f35eec97ab68d78f382429a13920f0863f066e27
[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         int             charlength;
478         qboolean down = false;
479
480         if ( uMsg == uiWheelMessage )
481                 uMsg = WM_MOUSEWHEEL;
482
483         switch (uMsg)
484         {
485                 case WM_KILLFOCUS:
486                         if (vid_isfullscreen)
487                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
488                         break;
489
490                 case WM_CREATE:
491                         break;
492
493                 case WM_MOVE:
494                         window_x = (int) LOWORD(lParam);
495                         window_y = (int) HIWORD(lParam);
496                         IN_Activate(false);
497                         break;
498
499                 case WM_KEYDOWN:
500                 case WM_SYSKEYDOWN:
501                         down = true;
502                 case WM_KEYUP:
503                 case WM_SYSKEYUP:
504                         vkey = MapKey(lParam, wParam);
505                         GetKeyboardState (state);
506                         // alt/ctrl/shift tend to produce funky ToAscii values,
507                         // and if it's not a single character we don't know care about it
508                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
509                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
510                                 asciichar[0] = 0;
511                         else if( charlength == 2 ) {
512                                 asciichar[0] = asciichar[1];
513                         }
514                         Key_Event (vkey, asciichar[0], down);
515                         break;
516
517                 case WM_SYSCHAR:
518                 // keep Alt-Space from happening
519                         break;
520
521         // this is complicated because Win32 seems to pack multiple mouse events into
522         // one update sometimes, so we always check all states and look for events
523                 case WM_LBUTTONDOWN:
524                 case WM_LBUTTONUP:
525                 case WM_RBUTTONDOWN:
526                 case WM_RBUTTONUP:
527                 case WM_MBUTTONDOWN:
528                 case WM_MBUTTONUP:
529                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
530                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
531                 case WM_MOUSEMOVE:
532                         temp = 0;
533
534                         if (wParam & MK_LBUTTON)
535                                 temp |= 1;
536
537                         if (wParam & MK_RBUTTON)
538                                 temp |= 2;
539
540                         if (wParam & MK_MBUTTON)
541                                 temp |= 4;
542
543                         /* backslash :: imouse explorer buttons */
544                         if (wParam & MK_XBUTTON1)
545                                 temp |= 8;
546
547                         if (wParam & MK_XBUTTON2)
548                                 temp |= 16;
549                         /* :: backslash */
550
551                         // LordHavoc: lets hope this allows more buttons in the future...
552                         if (wParam & MK_XBUTTON3)
553                                 temp |= 32;
554                         if (wParam & MK_XBUTTON4)
555                                 temp |= 64;
556                         if (wParam & MK_XBUTTON5)
557                                 temp |= 128;
558                         if (wParam & MK_XBUTTON6)
559                                 temp |= 256;
560                         if (wParam & MK_XBUTTON7)
561                                 temp |= 512;
562
563                         if (vid_usingmouse && !dinput_acquired)
564                         {
565                                 // perform button actions
566                                 int i;
567                                 for (i=0 ; i<mouse_buttons ; i++)
568                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
569                                                 Key_Event (K_MOUSE1 + i, 0, (temp & (1<<i)) != 0);
570                                 mouse_oldbuttonstate = temp;
571                         }
572
573                         break;
574
575                 // JACK: This is the mouse wheel with the Intellimouse
576                 // Its delta is either positive or neg, and we generate the proper
577                 // Event.
578                 case WM_MOUSEWHEEL:
579                         if ((short) HIWORD(wParam) > 0) {
580                                 Key_Event(K_MWHEELUP, 0, true);
581                                 Key_Event(K_MWHEELUP, 0, false);
582                         } else {
583                                 Key_Event(K_MWHEELDOWN, 0, true);
584                                 Key_Event(K_MWHEELDOWN, 0, false);
585                         }
586                         break;
587
588                 case WM_SIZE:
589                         break;
590
591                 case WM_CLOSE:
592                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
593                                 Sys_Quit ();
594
595                         break;
596
597                 case WM_ACTIVATE:
598                         fActive = LOWORD(wParam);
599                         fMinimized = (BOOL) HIWORD(wParam);
600                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
601
602                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
603                         ClearAllStates ();
604
605                         break;
606
607                 //case WM_DESTROY:
608                 //      PostQuitMessage (0);
609                 //      break;
610
611                 case MM_MCINOTIFY:
612                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
613                         break;
614
615                 default:
616                         /* pass all unhandled messages to DefWindowProc */
617                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
618                 break;
619         }
620
621         /* return 1 if handled message, 0 if not */
622         return lRet;
623 }
624
625 int VID_SetGamma(unsigned short *ramps)
626 {
627         HDC hdc = GetDC (NULL);
628         int i = SetDeviceGammaRamp(hdc, ramps);
629         ReleaseDC (NULL, hdc);
630         return i; // return success or failure
631 }
632
633 int VID_GetGamma(unsigned short *ramps)
634 {
635         HDC hdc = GetDC (NULL);
636         int i = GetDeviceGammaRamp(hdc, ramps);
637         ReleaseDC (NULL, hdc);
638         return i; // return success or failure
639 }
640
641 static HINSTANCE gldll;
642
643 static void GL_CloseLibrary(void)
644 {
645         FreeLibrary(gldll);
646         gldll = 0;
647         gl_driver[0] = 0;
648         qwglGetProcAddress = NULL;
649         gl_extensions = "";
650         gl_platform = "";
651         gl_platformextensions = "";
652 }
653
654 static int GL_OpenLibrary(const char *name)
655 {
656         Con_Printf("Loading OpenGL driver %s\n", name);
657         GL_CloseLibrary();
658         if (!(gldll = LoadLibrary(name)))
659         {
660                 Con_Printf("Unable to LoadLibrary %s\n", name);
661                 return false;
662         }
663         strcpy(gl_driver, name);
664         return true;
665 }
666
667 void *GL_GetProcAddress(const char *name)
668 {
669         void *p = NULL;
670         if (qwglGetProcAddress != NULL)
671                 p = (void *) qwglGetProcAddress(name);
672         if (p == NULL)
673                 p = (void *) GetProcAddress(gldll, name);
674         return p;
675 }
676
677 static void IN_Init(void);
678 void VID_Init(void)
679 {
680         WNDCLASS wc;
681
682         InitCommonControls();
683         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
684
685         // Register the frame class
686         wc.style         = 0;
687         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
688         wc.cbClsExtra    = 0;
689         wc.cbWndExtra    = 0;
690         wc.hInstance     = global_hInstance;
691         wc.hIcon         = hIcon;
692         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
693         wc.hbrBackground = NULL;
694         wc.lpszMenuName  = 0;
695         wc.lpszClassName = "DarkPlacesWindowClass";
696
697         if (!RegisterClass (&wc))
698                 Con_Printf ("Couldn't register window class\n");
699
700         IN_Init();
701 }
702
703 int VID_InitMode (int fullscreen, int width, int height, int bpp)
704 {
705         int i;
706         HDC hdc;
707         RECT rect;
708         MSG msg;
709         PIXELFORMATDESCRIPTOR pfd =
710         {
711                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
712                 1,                              // version number
713                 PFD_DRAW_TO_WINDOW              // support window
714                 |  PFD_SUPPORT_OPENGL   // support OpenGL
715                 |  PFD_DOUBLEBUFFER ,   // double buffered
716                 PFD_TYPE_RGBA,                  // RGBA type
717                 24,                             // 24-bit color depth
718                 0, 0, 0, 0, 0, 0,               // color bits ignored
719                 0,                              // no alpha buffer
720                 0,                              // shift bit ignored
721                 0,                              // no accumulation buffer
722                 0, 0, 0, 0,                     // accum bits ignored
723                 32,                             // 32-bit z-buffer
724                 0,                              // no stencil buffer
725                 0,                              // no auxiliary buffer
726                 PFD_MAIN_PLANE,                 // main layer
727                 0,                              // reserved
728                 0, 0, 0                         // layer masks ignored
729         };
730         int pixelformat;
731         DWORD WindowStyle, ExWindowStyle;
732         int CenterX, CenterY;
733         const char *gldrivername;
734         int depth;
735
736         if (vid_initialized)
737                 Sys_Error("VID_InitMode called when video is already initialised\n");
738
739         // if stencil is enabled, ask for alpha too
740         if (bpp >= 32)
741         {
742                 pfd.cStencilBits = 8;
743                 pfd.cAlphaBits = 8;
744         }
745         else
746         {
747                 pfd.cStencilBits = 0;
748                 pfd.cAlphaBits = 0;
749         }
750
751         gldrivername = "opengl32.dll";
752 // 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
753         i = COM_CheckParm("-gl_driver");
754         if (i && i < com_argc - 1)
755                 gldrivername = com_argv[i + 1];
756         if (!GL_OpenLibrary(gldrivername))
757         {
758                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
759                 return false;
760         }
761
762         memset(&gdevmode, 0, sizeof(gdevmode));
763
764         vid_isfullscreen = false;
765         if (fullscreen)
766         {
767                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
768                 gdevmode.dmBitsPerPel = bpp;
769                 gdevmode.dmPelsWidth = width;
770                 gdevmode.dmPelsHeight = height;
771                 gdevmode.dmSize = sizeof (gdevmode);
772                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
773                 {
774                         VID_Shutdown();
775                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
776                         return false;
777                 }
778
779                 vid_isfullscreen = true;
780                 WindowStyle = WS_POPUP;
781                 ExWindowStyle = WS_EX_TOPMOST;
782         }
783         else
784         {
785                 hdc = GetDC (NULL);
786                 i = GetDeviceCaps(hdc, RASTERCAPS);
787                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
788                 ReleaseDC (NULL, hdc);
789                 if (i & RC_PALETTE)
790                 {
791                         VID_Shutdown();
792                         Con_Print("Can't run in non-RGB mode\n");
793                         return false;
794                 }
795                 if (bpp > depth)
796                 {
797                         VID_Shutdown();
798                         Con_Print("A higher desktop depth is required to run this video mode\n");
799                         return false;
800                 }
801
802                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
803                 ExWindowStyle = 0;
804         }
805
806         rect.top = 0;
807         rect.left = 0;
808         rect.right = width;
809         rect.bottom = height;
810         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
811
812         if (fullscreen)
813         {
814                 CenterX = 0;
815                 CenterY = 0;
816         }
817         else
818         {
819                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
820                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
821         }
822         CenterX = max(0, CenterX);
823         CenterY = max(0, CenterY);
824
825         // x and y may be changed by WM_MOVE messages
826         window_x = CenterX;
827         window_y = CenterY;
828         rect.left += CenterX;
829         rect.right += CenterX;
830         rect.top += CenterY;
831         rect.bottom += CenterY;
832
833         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
834         if (!mainwindow)
835         {
836                 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);
837                 VID_Shutdown();
838                 return false;
839         }
840
841         /*
842         if (!fullscreen)
843                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
844         */
845
846         ShowWindow (mainwindow, SW_SHOWDEFAULT);
847         UpdateWindow (mainwindow);
848
849         // now we try to make sure we get the focus on the mode switch, because
850         // sometimes in some systems we don't.  We grab the foreground, then
851         // finish setting up, pump all our messages, and sleep for a little while
852         // to let messages finish bouncing around the system, then we put
853         // ourselves at the top of the z order, then grab the foreground again,
854         // Who knows if it helps, but it probably doesn't hurt
855         SetForegroundWindow (mainwindow);
856
857         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
858         {
859                 TranslateMessage (&msg);
860                 DispatchMessage (&msg);
861         }
862
863         Sleep (100);
864
865         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
866
867         SetForegroundWindow (mainwindow);
868
869         // fix the leftover Alt from any Alt-Tab or the like that switched us away
870         ClearAllStates ();
871
872         baseDC = GetDC(mainwindow);
873
874         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
875         {
876                 VID_Shutdown();
877                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
878                 return false;
879         }
880
881         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
882         {
883                 VID_Shutdown();
884                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
885                 return false;
886         }
887
888         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
889         {
890                 VID_Shutdown();
891                 Con_Print("wgl functions not found\n");
892                 return false;
893         }
894
895         baseRC = qwglCreateContext(baseDC);
896         if (!baseRC)
897         {
898                 VID_Shutdown();
899                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
900                 return false;
901         }
902         if (!qwglMakeCurrent(baseDC, baseRC))
903         {
904                 VID_Shutdown();
905                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
906                 return false;
907         }
908
909         qglGetString = GL_GetProcAddress("glGetString");
910         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
911         if (qglGetString == NULL)
912         {
913                 VID_Shutdown();
914                 Con_Print("glGetString not found\n");
915                 return false;
916         }
917         gl_renderer = qglGetString(GL_RENDERER);
918         gl_vendor = qglGetString(GL_VENDOR);
919         gl_version = qglGetString(GL_VERSION);
920         gl_extensions = qglGetString(GL_EXTENSIONS);
921         gl_platform = "WGL";
922         gl_platformextensions = "";
923
924         gl_videosyncavailable = false;
925
926         if (qwglGetExtensionsStringARB)
927                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
928
929 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
930         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
931         //ReleaseDC(mainwindow, hdc);
932
933         GL_Init ();
934
935         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
936         if (strncasecmp(gl_vendor,"ATI",3)==0)
937         {
938                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
939                         isRagePro = true;
940         }
941         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
942                 isG200 = true;
943
944         //vid_menudrawfn = VID_MenuDraw;
945         //vid_menukeyfn = VID_MenuKey;
946         vid_usingmouse = false;
947         vid_usingvsync = false;
948         vid_hidden = false;
949         vid_initialized = true;
950
951         IN_StartupMouse ();
952         IN_StartupJoystick ();
953
954         if (gl_videosyncavailable)
955         {
956                 vid_usevsync = vid_vsync.integer;
957                 vid_usingvsync = vid_vsync.integer;
958                 qwglSwapIntervalEXT (vid_usevsync);
959         }
960
961         return true;
962 }
963
964 static void IN_Shutdown(void);
965 void VID_Shutdown (void)
966 {
967         if(vid_initialized == false)
968                 return;
969
970         VID_RestoreSystemGamma();
971
972         vid_initialized = false;
973         IN_Shutdown();
974         if (qwglMakeCurrent)
975                 qwglMakeCurrent(NULL, NULL);
976         if (baseRC && qwglDeleteContext)
977                 qwglDeleteContext(baseRC);
978         // close the library before we get rid of the window
979         GL_CloseLibrary();
980         if (baseDC && mainwindow)
981                 ReleaseDC(mainwindow, baseDC);
982         AppActivate(false, false);
983         if (mainwindow)
984                 DestroyWindow(mainwindow);
985         mainwindow = 0;
986         if (vid_isfullscreen)
987                 ChangeDisplaySettings (NULL, 0);
988         vid_isfullscreen = false;
989 }
990
991 static void IN_Activate (qboolean grab)
992 {
993         if (!mouseinitialized)
994                 return;
995
996         if (grab)
997         {
998                 if (!vid_usingmouse)
999                 {
1000                         vid_usingmouse = true;
1001                         cl_ignoremousemove = true;
1002                         if (dinput && g_pMouse)
1003                         {
1004                                 IDirectInputDevice_Acquire(g_pMouse);
1005                                 dinput_acquired = true;
1006                         }
1007                         else
1008                         {
1009                                 RECT window_rect;
1010                                 window_rect.left = window_x;
1011                                 window_rect.top = window_y;
1012                                 window_rect.right = window_x + vid.width;
1013                                 window_rect.bottom = window_y + vid.height;
1014                                 if (mouseparmsvalid)
1015                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1016                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1017                                 SetCapture (mainwindow);
1018                                 ClipCursor (&window_rect);
1019                         }
1020                         ShowCursor (false);
1021                 }
1022         }
1023         else
1024         {
1025                 if (vid_usingmouse)
1026                 {
1027                         vid_usingmouse = false;
1028                         cl_ignoremousemove = true;
1029                         if (dinput_acquired)
1030                         {
1031                                 IDirectInputDevice_Unacquire(g_pMouse);
1032                                 dinput_acquired = false;
1033                         }
1034                         else
1035                         {
1036                                 if (restore_spi)
1037                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1038                                 ClipCursor (NULL);
1039                                 ReleaseCapture ();
1040                         }
1041                         ShowCursor (true);
1042                 }
1043         }
1044 }
1045
1046
1047 /*
1048 ===========
1049 IN_InitDInput
1050 ===========
1051 */
1052 static qboolean IN_InitDInput (void)
1053 {
1054     HRESULT             hr;
1055         DIPROPDWORD     dipdw = {
1056                 {
1057                         sizeof(DIPROPDWORD),        // diph.dwSize
1058                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1059                         0,                          // diph.dwObj
1060                         DIPH_DEVICE,                // diph.dwHow
1061                 },
1062                 DINPUT_BUFFERSIZE,              // dwData
1063         };
1064
1065         if (!hInstDI)
1066         {
1067                 hInstDI = LoadLibrary("dinput.dll");
1068
1069                 if (hInstDI == NULL)
1070                 {
1071                         Con_Print("Couldn't load dinput.dll\n");
1072                         return false;
1073                 }
1074         }
1075
1076         if (!pDirectInputCreate)
1077         {
1078                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1079
1080                 if (!pDirectInputCreate)
1081                 {
1082                         Con_Print("Couldn't get DI proc addr\n");
1083                         return false;
1084                 }
1085         }
1086
1087 // register with DirectInput and get an IDirectInput to play with.
1088         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1089
1090         if (FAILED(hr))
1091         {
1092                 return false;
1093         }
1094
1095 // obtain an interface to the system mouse device.
1096         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1097
1098         if (FAILED(hr))
1099         {
1100                 Con_Print("Couldn't open DI mouse device\n");
1101                 return false;
1102         }
1103
1104 // set the data format to "mouse format".
1105         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1106
1107         if (FAILED(hr))
1108         {
1109                 Con_Print("Couldn't set DI mouse format\n");
1110                 return false;
1111         }
1112
1113 // set the cooperativity level.
1114         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1115                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1116
1117         if (FAILED(hr))
1118         {
1119                 Con_Print("Couldn't set DI coop level\n");
1120                 return false;
1121         }
1122
1123
1124 // set the buffer size to DINPUT_BUFFERSIZE elements.
1125 // the buffer size is a DWORD property associated with the device
1126         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1127
1128         if (FAILED(hr))
1129         {
1130                 Con_Print("Couldn't set DI buffersize\n");
1131                 return false;
1132         }
1133
1134         return true;
1135 }
1136
1137
1138 /*
1139 ===========
1140 IN_StartupMouse
1141 ===========
1142 */
1143 static void IN_StartupMouse (void)
1144 {
1145         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1146                 return;
1147
1148         mouseinitialized = true;
1149
1150 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1151         if (COM_CheckParm ("-dinput"))
1152                 dinput = IN_InitDInput ();
1153
1154         if (dinput)
1155                 Con_Print("DirectInput initialized\n");
1156         else
1157                 Con_Print("DirectInput not initialized\n");
1158
1159         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1160
1161         if (mouseparmsvalid)
1162         {
1163 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1164                 if ( COM_CheckParm ("-noforcemspd") )
1165                         newmouseparms[2] = originalmouseparms[2];
1166
1167 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1168                 if ( COM_CheckParm ("-noforcemaccel") )
1169                 {
1170                         newmouseparms[0] = originalmouseparms[0];
1171                         newmouseparms[1] = originalmouseparms[1];
1172                 }
1173
1174 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1175                 if ( COM_CheckParm ("-noforcemparms") )
1176                 {
1177                         newmouseparms[0] = originalmouseparms[0];
1178                         newmouseparms[1] = originalmouseparms[1];
1179                         newmouseparms[2] = originalmouseparms[2];
1180                 }
1181         }
1182
1183         mouse_buttons = 10;
1184 }
1185
1186
1187 /*
1188 ===========
1189 IN_MouseMove
1190 ===========
1191 */
1192 static void IN_MouseMove (void)
1193 {
1194         int i, mx, my;
1195         POINT current_pos;
1196
1197         if (!vid_usingmouse)
1198         {
1199                 //GetCursorPos (&current_pos);
1200                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1201                 return;
1202         }
1203
1204         if (dinput_acquired)
1205         {
1206                 DIDEVICEOBJECTDATA      od;
1207                 DWORD                           dwElements;
1208                 HRESULT                         hr;
1209                 mx = 0;
1210                 my = 0;
1211
1212                 for (;;)
1213                 {
1214                         dwElements = 1;
1215
1216                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1217                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1218
1219                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1220                         {
1221                                 IDirectInputDevice_Acquire(g_pMouse);
1222                                 break;
1223                         }
1224
1225                         /* Unable to read data or no data available */
1226                         if (FAILED(hr) || dwElements == 0)
1227                                 break;
1228
1229                         /* Look at the element to see what happened */
1230
1231                         switch (od.dwOfs)
1232                         {
1233                                 case DIMOFS_X:
1234                                         mx += od.dwData;
1235                                         break;
1236
1237                                 case DIMOFS_Y:
1238                                         my += od.dwData;
1239                                         break;
1240
1241                                 case DIMOFS_BUTTON0:
1242                                         if (od.dwData & 0x80)
1243                                                 mstate_di |= 1;
1244                                         else
1245                                                 mstate_di &= ~1;
1246                                         break;
1247
1248                                 case DIMOFS_BUTTON1:
1249                                         if (od.dwData & 0x80)
1250                                                 mstate_di |= (1<<1);
1251                                         else
1252                                                 mstate_di &= ~(1<<1);
1253                                         break;
1254
1255                                 case DIMOFS_BUTTON2:
1256                                         if (od.dwData & 0x80)
1257                                                 mstate_di |= (1<<2);
1258                                         else
1259                                                 mstate_di &= ~(1<<2);
1260                                         break;
1261                         }
1262                 }
1263
1264                 // perform button actions
1265                 for (i=0 ; i<mouse_buttons ; i++)
1266                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1267                                 Key_Event (K_MOUSE1 + i, 0, (mstate_di & (1<<i)) != 0);
1268                 mouse_oldbuttonstate = mstate_di;
1269
1270                 in_mouse_x = mx;
1271                 in_mouse_y = my;
1272         }
1273         else
1274         {
1275                 GetCursorPos (&current_pos);
1276                 mx = current_pos.x - (window_x + vid.width / 2);
1277                 my = current_pos.y - (window_y + vid.height / 2);
1278
1279                 in_mouse_x = mx;
1280                 in_mouse_y = my;
1281
1282                 // if the mouse has moved, force it to the center, so there's room to move
1283                 if (mx || my)
1284                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1285         }
1286 }
1287
1288
1289 /*
1290 ===========
1291 IN_Move
1292 ===========
1293 */
1294 void IN_Move (void)
1295 {
1296         if (vid_activewindow && !vid_hidden)
1297         {
1298                 IN_MouseMove ();
1299                 IN_JoyMove ();
1300         }
1301 }
1302
1303
1304 /*
1305 ===============
1306 IN_StartupJoystick
1307 ===============
1308 */
1309 static void IN_StartupJoystick (void)
1310 {
1311         int                     numdevs;
1312         JOYCAPS         jc;
1313         MMRESULT        mmr;
1314         mmr = 0;
1315
1316         // assume no joystick
1317         joy_avail = false;
1318
1319         // abort startup if user requests no joystick
1320 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1321         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1322                 return;
1323
1324         // verify joystick driver is present
1325         if ((numdevs = joyGetNumDevs ()) == 0)
1326         {
1327                 Con_Print("\njoystick not found -- driver not present\n\n");
1328                 return;
1329         }
1330
1331         // cycle through the joystick ids for the first valid one
1332         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1333         {
1334                 memset (&ji, 0, sizeof(ji));
1335                 ji.dwSize = sizeof(ji);
1336                 ji.dwFlags = JOY_RETURNCENTERED;
1337
1338                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1339                         break;
1340         }
1341
1342         // abort startup if we didn't find a valid joystick
1343         if (mmr != JOYERR_NOERROR)
1344         {
1345                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1346                 return;
1347         }
1348
1349         // get the capabilities of the selected joystick
1350         // abort startup if command fails
1351         memset (&jc, 0, sizeof(jc));
1352         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1353         {
1354                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1355                 return;
1356         }
1357
1358         // save the joystick's number of buttons and POV status
1359         joy_numbuttons = jc.wNumButtons;
1360         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1361
1362         // old button and POV states default to no buttons pressed
1363         joy_oldbuttonstate = joy_oldpovstate = 0;
1364
1365         // mark the joystick as available and advanced initialization not completed
1366         // this is needed as cvars are not available during initialization
1367
1368         joy_avail = true;
1369         joy_advancedinit = false;
1370
1371         Con_Print("\njoystick detected\n\n");
1372 }
1373
1374
1375 /*
1376 ===========
1377 RawValuePointer
1378 ===========
1379 */
1380 static PDWORD RawValuePointer (int axis)
1381 {
1382         switch (axis)
1383         {
1384         case JOY_AXIS_X:
1385                 return &ji.dwXpos;
1386         case JOY_AXIS_Y:
1387                 return &ji.dwYpos;
1388         case JOY_AXIS_Z:
1389                 return &ji.dwZpos;
1390         case JOY_AXIS_R:
1391                 return &ji.dwRpos;
1392         case JOY_AXIS_U:
1393                 return &ji.dwUpos;
1394         case JOY_AXIS_V:
1395                 return &ji.dwVpos;
1396         }
1397         return NULL; // LordHavoc: hush compiler warning
1398 }
1399
1400
1401 /*
1402 ===========
1403 Joy_AdvancedUpdate_f
1404 ===========
1405 */
1406 static void Joy_AdvancedUpdate_f (void)
1407 {
1408
1409         // called once by IN_ReadJoystick and by user whenever an update is needed
1410         // cvars are now available
1411         int     i;
1412         DWORD dwTemp;
1413
1414         // initialize all the maps
1415         for (i = 0; i < JOY_MAX_AXES; i++)
1416         {
1417                 dwAxisMap[i] = AxisNada;
1418                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1419                 pdwRawValue[i] = RawValuePointer(i);
1420         }
1421
1422         if( joy_advanced.integer == 0)
1423         {
1424                 // default joystick initialization
1425                 // 2 axes only with joystick control
1426                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1427                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1428                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1429                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1430         }
1431         else
1432         {
1433                 if (strcmp (joy_name.string, "joystick") != 0)
1434                 {
1435                         // notify user of advanced controller
1436                         Con_Printf("\n%s configured\n\n", joy_name.string);
1437                 }
1438
1439                 // advanced initialization here
1440                 // data supplied by user via joy_axisn cvars
1441                 dwTemp = (DWORD) joy_advaxisx.value;
1442                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1443                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1444                 dwTemp = (DWORD) joy_advaxisy.value;
1445                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1446                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1447                 dwTemp = (DWORD) joy_advaxisz.value;
1448                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1449                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1450                 dwTemp = (DWORD) joy_advaxisr.value;
1451                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1452                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1453                 dwTemp = (DWORD) joy_advaxisu.value;
1454                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1455                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1456                 dwTemp = (DWORD) joy_advaxisv.value;
1457                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1458                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1459         }
1460
1461         // compute the axes to collect from DirectInput
1462         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1463         for (i = 0; i < JOY_MAX_AXES; i++)
1464         {
1465                 if (dwAxisMap[i] != AxisNada)
1466                 {
1467                         joy_flags |= dwAxisFlags[i];
1468                 }
1469         }
1470 }
1471
1472 /*
1473 ===============
1474 IN_ReadJoystick
1475 ===============
1476 */
1477 static qboolean IN_ReadJoystick (void)
1478 {
1479
1480         memset (&ji, 0, sizeof(ji));
1481         ji.dwSize = sizeof(ji);
1482         ji.dwFlags = joy_flags;
1483
1484         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1485         {
1486                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1487                 // rather than having 32768 be the zero point, they have the zero point at 32668
1488                 // go figure -- anyway, now we get the full resolution out of the device
1489                 if (joy_wwhack1.integer != 0.0)
1490                 {
1491                         ji.dwUpos += 100;
1492                 }
1493                 return true;
1494         }
1495         else
1496         {
1497                 // read error occurred
1498                 // turning off the joystick seems too harsh for 1 read error,
1499                 // but what should be done?
1500                 return false;
1501         }
1502 }
1503
1504
1505 /*
1506 ===========
1507 IN_JoyMove
1508 ===========
1509 */
1510 static void IN_JoyMove (void)
1511 {
1512         float   speed, aspeed;
1513         float   fAxisValue, fTemp;
1514         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1515
1516         // complete initialization if first time in
1517         // this is needed as cvars are not available at initialization time
1518         if( joy_advancedinit != true )
1519         {
1520                 Joy_AdvancedUpdate_f();
1521                 joy_advancedinit = true;
1522         }
1523
1524         if (joy_avail)
1525         {
1526                 int             i, key_index;
1527                 DWORD   buttonstate, povstate;
1528
1529                 // loop through the joystick buttons
1530                 // key a joystick event or auxillary event for higher number buttons for each state change
1531                 buttonstate = ji.dwButtons;
1532                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1533                 {
1534                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1535                         {
1536                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1537                                 Key_Event (key_index + i, 0, true);
1538                         }
1539
1540                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1541                         {
1542                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1543                                 Key_Event (key_index + i, 0, false);
1544                         }
1545                 }
1546                 joy_oldbuttonstate = buttonstate;
1547
1548                 if (joy_haspov)
1549                 {
1550                         // convert POV information into 4 bits of state information
1551                         // this avoids any potential problems related to moving from one
1552                         // direction to another without going through the center position
1553                         povstate = 0;
1554                         if(ji.dwPOV != JOY_POVCENTERED)
1555                         {
1556                                 if (ji.dwPOV == JOY_POVFORWARD)
1557                                         povstate |= 0x01;
1558                                 if (ji.dwPOV == JOY_POVRIGHT)
1559                                         povstate |= 0x02;
1560                                 if (ji.dwPOV == JOY_POVBACKWARD)
1561                                         povstate |= 0x04;
1562                                 if (ji.dwPOV == JOY_POVLEFT)
1563                                         povstate |= 0x08;
1564                         }
1565                         // determine which bits have changed and key an auxillary event for each change
1566                         for (i=0 ; i < 4 ; i++)
1567                         {
1568                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1569                                 {
1570                                         Key_Event (K_AUX29 + i, 0, true);
1571                                 }
1572
1573                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1574                                 {
1575                                         Key_Event (K_AUX29 + i, 0, false);
1576                                 }
1577                         }
1578                         joy_oldpovstate = povstate;
1579                 }
1580         }
1581
1582         // verify joystick is available and that the user wants to use it
1583         if (!joy_avail || !in_joystick.integer)
1584         {
1585                 return;
1586         }
1587
1588         // collect the joystick data, if possible
1589         if (IN_ReadJoystick () != true)
1590         {
1591                 return;
1592         }
1593
1594         if (in_speed.state & 1)
1595                 speed = cl_movespeedkey.value;
1596         else
1597                 speed = 1;
1598         // LordHavoc: viewzoom affects sensitivity for sniping
1599         aspeed = speed * host_realframetime * cl.viewzoom;
1600
1601         // loop through the axes
1602         for (i = 0; i < JOY_MAX_AXES; i++)
1603         {
1604                 // get the floating point zero-centered, potentially-inverted data for the current axis
1605                 fAxisValue = (float) *pdwRawValue[i];
1606                 // move centerpoint to zero
1607                 fAxisValue -= 32768.0;
1608
1609                 if (joy_wwhack2.integer != 0.0)
1610                 {
1611                         if (dwAxisMap[i] == AxisTurn)
1612                         {
1613                                 // this is a special formula for the Logitech WingMan Warrior
1614                                 // y=ax^b; where a = 300 and b = 1.3
1615                                 // also x values are in increments of 800 (so this is factored out)
1616                                 // then bounds check result to level out excessively high spin rates
1617                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1618                                 if (fTemp > 14000.0)
1619                                         fTemp = 14000.0;
1620                                 // restore direction information
1621                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1622                         }
1623                 }
1624
1625                 // convert range from -32768..32767 to -1..1
1626                 fAxisValue /= 32768.0;
1627
1628                 switch (dwAxisMap[i])
1629                 {
1630                 case AxisForward:
1631                         if ((joy_advanced.integer == 0) && mouselook)
1632                         {
1633                                 // user wants forward control to become look control
1634                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1635                                 {
1636                                         // if mouse invert is on, invert the joystick pitch value
1637                                         // only absolute control support here (joy_advanced is false)
1638                                         if (m_pitch.value < 0.0)
1639                                         {
1640                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1641                                         }
1642                                         else
1643                                         {
1644                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1645                                         }
1646                                         V_StopPitchDrift();
1647                                 }
1648                                 else
1649                                 {
1650                                         // no pitch movement
1651                                         // disable pitch return-to-center unless requested by user
1652                                         // *** this code can be removed when the lookspring bug is fixed
1653                                         // *** the bug always has the lookspring feature on
1654                                         if(lookspring.value == 0.0)
1655                                                 V_StopPitchDrift();
1656                                 }
1657                         }
1658                         else
1659                         {
1660                                 // user wants forward control to be forward control
1661                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1662                                 {
1663                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1664                                 }
1665                         }
1666                         break;
1667
1668                 case AxisSide:
1669                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1670                         {
1671                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1672                         }
1673                         break;
1674
1675                 case AxisTurn:
1676                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1677                         {
1678                                 // user wants turn control to become side control
1679                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1680                                 {
1681                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1682                                 }
1683                         }
1684                         else
1685                         {
1686                                 // user wants turn control to be turn control
1687                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1688                                 {
1689                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1690                                         {
1691                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1692                                         }
1693                                         else
1694                                         {
1695                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1696                                         }
1697
1698                                 }
1699                         }
1700                         break;
1701
1702                 case AxisLook:
1703                         if (mouselook)
1704                         {
1705                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1706                                 {
1707                                         // pitch movement detected and pitch movement desired by user
1708                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1709                                         {
1710                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1711                                         }
1712                                         else
1713                                         {
1714                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1715                                         }
1716                                         V_StopPitchDrift();
1717                                 }
1718                                 else
1719                                 {
1720                                         // no pitch movement
1721                                         // disable pitch return-to-center unless requested by user
1722                                         // *** this code can be removed when the lookspring bug is fixed
1723                                         // *** the bug always has the lookspring feature on
1724                                         if(lookspring.integer == 0)
1725                                                 V_StopPitchDrift();
1726                                 }
1727                         }
1728                         break;
1729
1730                 default:
1731                         break;
1732                 }
1733         }
1734 }
1735
1736 static void IN_Init(void)
1737 {
1738         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1739
1740         // joystick variables
1741         Cvar_RegisterVariable (&in_joystick);
1742         Cvar_RegisterVariable (&joy_name);
1743         Cvar_RegisterVariable (&joy_advanced);
1744         Cvar_RegisterVariable (&joy_advaxisx);
1745         Cvar_RegisterVariable (&joy_advaxisy);
1746         Cvar_RegisterVariable (&joy_advaxisz);
1747         Cvar_RegisterVariable (&joy_advaxisr);
1748         Cvar_RegisterVariable (&joy_advaxisu);
1749         Cvar_RegisterVariable (&joy_advaxisv);
1750         Cvar_RegisterVariable (&joy_forwardthreshold);
1751         Cvar_RegisterVariable (&joy_sidethreshold);
1752         Cvar_RegisterVariable (&joy_pitchthreshold);
1753         Cvar_RegisterVariable (&joy_yawthreshold);
1754         Cvar_RegisterVariable (&joy_forwardsensitivity);
1755         Cvar_RegisterVariable (&joy_sidesensitivity);
1756         Cvar_RegisterVariable (&joy_pitchsensitivity);
1757         Cvar_RegisterVariable (&joy_yawsensitivity);
1758         Cvar_RegisterVariable (&joy_wwhack1);
1759         Cvar_RegisterVariable (&joy_wwhack2);
1760         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1761 }
1762
1763 static void IN_Shutdown(void)
1764 {
1765         IN_Activate (false);
1766
1767         if (g_pMouse)
1768                 IDirectInputDevice_Release(g_pMouse);
1769         g_pMouse = NULL;
1770
1771         if (g_pdi)
1772                 IDirectInput_Release(g_pdi);
1773         g_pdi = NULL;
1774 }