6c58989553ea21bb69c1709b48b24612e9ae5cfc
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 // we don't need a very new dinput
23 #define DIRECTINPUT_VERSION 0x0300
24
25 #include "quakedef.h"
26 #include <windows.h>
27 #include <mmsystem.h>
28 #include <dsound.h>
29 #include "resource.h"
30 #include <commctrl.h>
31 #include <dinput.h>
32
33 extern HINSTANCE global_hInstance;
34
35
36 #ifndef WM_MOUSEWHEEL
37 #define WM_MOUSEWHEEL                   0x020A
38 #endif
39
40 // Tell startup code that we have a client
41 int cl_available = true;
42
43 qboolean vid_supportrefreshrate = true;
44
45 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
46 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
47 //static int (WINAPI *qwglGetPixelFormat)(HDC);
48 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
49 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
50 static HGLRC (WINAPI *qwglCreateContext)(HDC);
51 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
52 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
53 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
54 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
55 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
56 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
57 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
58
59 static dllfunction_t wglfuncs[] =
60 {
61         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
62         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
63 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
64         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
65         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
66         {"wglCreateContext", (void **) &qwglCreateContext},
67         {"wglDeleteContext", (void **) &qwglDeleteContext},
68         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
69         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
70         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
71         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
72         {NULL, NULL}
73 };
74
75 static dllfunction_t wglswapintervalfuncs[] =
76 {
77         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
78         {NULL, NULL}
79 };
80
81 static DEVMODE gdevmode;
82 static qboolean vid_initialized = false;
83 static qboolean vid_wassuspended = false;
84 static qboolean vid_usingmouse = false;
85 static qboolean vid_usingvsync = false;
86 static qboolean vid_usevsync = false;
87 static HICON hIcon;
88
89 // used by cd_win.c and snd_win.c
90 HWND mainwindow;
91
92 static HDC       baseDC;
93 static HGLRC baseRC;
94
95 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
96
97 static qboolean vid_isfullscreen;
98
99 //void VID_MenuDraw (void);
100 //void VID_MenuKey (int key);
101
102 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
103 //void AppActivate(BOOL fActive, BOOL minimize);
104 //void ClearAllStates (void);
105 //void VID_UpdateWindowStatus (void);
106
107 //====================================
108
109 static int window_x, window_y;
110
111 static void IN_Activate (qboolean grab);
112
113 static qboolean mouseinitialized;
114 static qboolean dinput;
115
116 // input code
117
118 #define DINPUT_BUFFERSIZE           16
119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
120
121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
122
123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
124 /* backslash :: imouse explorer buttons */
125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
126    MS's platform SDK, but we need them for compilation. . . */
127 #ifndef WM_XBUTTONDOWN
128    #define WM_XBUTTONDOWN      0x020B
129    #define WM_XBUTTONUP      0x020C
130 #endif
131 #ifndef MK_XBUTTON1
132    #define MK_XBUTTON1         0x0020
133    #define MK_XBUTTON2         0x0040
134 // LordHavoc: lets hope this allows more buttons in the future...
135    #define MK_XBUTTON3         0x0080
136    #define MK_XBUTTON4         0x0100
137    #define MK_XBUTTON5         0x0200
138    #define MK_XBUTTON6         0x0400
139    #define MK_XBUTTON7         0x0800
140 #endif
141 /* :: backslash */
142
143 // mouse variables
144 static int                      mouse_buttons;
145 static int                      mouse_oldbuttonstate;
146
147 static qboolean restore_spi;
148 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 0};
149
150 static unsigned int uiWheelMessage;
151 static qboolean mouseparmsvalid;
152 static qboolean dinput_acquired;
153
154 static unsigned int             mstate_di;
155
156 // joystick defines and variables
157 // where should defines be moved?
158 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
159 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
160 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
161 #define JOY_AXIS_X                      0
162 #define JOY_AXIS_Y                      1
163 #define JOY_AXIS_Z                      2
164 #define JOY_AXIS_R                      3
165 #define JOY_AXIS_U                      4
166 #define JOY_AXIS_V                      5
167
168 enum _ControlList
169 {
170         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
171 };
172
173 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
174 {
175         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
176 };
177
178 static DWORD    dwAxisMap[JOY_MAX_AXES];
179 static DWORD    dwControlMap[JOY_MAX_AXES];
180 static PDWORD   pdwRawValue[JOY_MAX_AXES];
181
182 // none of these cvars are saved over a session
183 // this means that advanced controller configuration needs to be executed
184 // each time.  this avoids any problems with getting back to a default usage
185 // or when changing from one controller to another.  this way at least something
186 // works.
187 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
188 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
189 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
190 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
191 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
192 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
193 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
194 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
195 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
196 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
197 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
198 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
199 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
200 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
201 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
202 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
203 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
204 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
205 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
206
207 static qboolean joy_avail, joy_advancedinit, joy_haspov;
208 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
209
210 static int                      joy_id;
211 static DWORD            joy_flags;
212 static DWORD            joy_numbuttons;
213
214 static LPDIRECTINPUT            g_pdi;
215 static LPDIRECTINPUTDEVICE      g_pMouse;
216
217 static JOYINFOEX        ji;
218
219 static HINSTANCE hInstDI;
220
221 //static qboolean       dinput;
222
223 typedef struct MYDATA {
224         LONG  lX;                   // X axis goes here
225         LONG  lY;                   // Y axis goes here
226         LONG  lZ;                   // Z axis goes here
227         BYTE  bButtonA;             // One button goes here
228         BYTE  bButtonB;             // Another button goes here
229         BYTE  bButtonC;             // Another button goes here
230         BYTE  bButtonD;             // Another button goes here
231 } MYDATA;
232
233 static DIOBJECTDATAFORMAT rgodf[] = {
234   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
235   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
236   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
237   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
238   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
239   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
240   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
241 };
242
243 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
244
245 static DIDATAFORMAT     df = {
246         sizeof(DIDATAFORMAT),       // this structure
247         sizeof(DIOBJECTDATAFORMAT), // size of object data format
248         DIDF_RELAXIS,               // absolute axis coordinates
249         sizeof(MYDATA),             // device data size
250         NUM_OBJECTS,                // number of objects
251         rgodf,                      // and here they are
252 };
253
254 // forward-referenced functions
255 static void IN_StartupJoystick (void);
256 static void Joy_AdvancedUpdate_f (void);
257 static void IN_JoyMove (void);
258 static void IN_StartupMouse (void);
259
260
261 //====================================
262
263 void VID_Finish (qboolean allowmousegrab)
264 {
265         qboolean vid_usemouse;
266
267         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
268         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
269         {
270                 vid_usingvsync = vid_usevsync;
271                 qwglSwapIntervalEXT (vid_usevsync);
272         }
273
274 // handle the mouse state when windowed if that's changed
275         vid_usemouse = false;
276         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
277                 vid_usemouse = true;
278         if (vid_isfullscreen)
279                 vid_usemouse = true;
280         if (!vid_activewindow)
281                 vid_usemouse = false;
282         IN_Activate(vid_usemouse);
283
284         if (r_render.integer && !vid_hidden)
285         {
286                 CHECKGLERROR
287                 if (r_speeds.integer || gl_finish.integer)
288                 {
289                         qglFinish();CHECKGLERROR
290                 }
291                 SwapBuffers(baseDC);
292         }
293
294         VID_UpdateGamma(false, 256);
295 }
296
297 //==========================================================================
298
299
300
301
302 static unsigned char scantokey[128] =
303 {
304 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
305         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
306         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
307         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
308         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
309         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
310         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
311         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
312         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
313 };
314
315
316 /*
317 =======
318 MapKey
319
320 Map from windows to quake keynums
321 =======
322 */
323 static int MapKey (int key, int virtualkey)
324 {
325         int result;
326         int modified = (key >> 16) & 255;
327         qboolean is_extended = false;
328
329         if (modified < 128 && scantokey[modified])
330                 result = scantokey[modified];
331         else
332         {
333                 result = 0;
334                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
335         }
336
337         if (key & (1 << 24))
338                 is_extended = true;
339
340         if ( !is_extended )
341         {
342                 switch ( result )
343                 {
344                 case K_HOME:
345                         return K_KP_HOME;
346                 case K_UPARROW:
347                         return K_KP_UPARROW;
348                 case K_PGUP:
349                         return K_KP_PGUP;
350                 case K_LEFTARROW:
351                         return K_KP_LEFTARROW;
352                 case K_RIGHTARROW:
353                         return K_KP_RIGHTARROW;
354                 case K_END:
355                         return K_KP_END;
356                 case K_DOWNARROW:
357                         return K_KP_DOWNARROW;
358                 case K_PGDN:
359                         return K_KP_PGDN;
360                 case K_INS:
361                         return K_KP_INS;
362                 case K_DEL:
363                         return K_KP_DEL;
364                 default:
365                         return result;
366                 }
367         }
368         else
369         {
370                 switch ( result )
371                 {
372                 case 0x0D:
373                         return K_KP_ENTER;
374                 case 0x2F:
375                         return K_KP_SLASH;
376                 case 0xAF:
377                         return K_KP_PLUS;
378                 }
379                 return result;
380         }
381 }
382
383 /*
384 ===================================================================
385
386 MAIN WINDOW
387
388 ===================================================================
389 */
390
391 /*
392 ================
393 ClearAllStates
394 ================
395 */
396 static void ClearAllStates (void)
397 {
398         Key_ClearStates ();
399         if (vid_usingmouse)
400                 mouse_oldbuttonstate = 0;
401 }
402
403 void AppActivate(BOOL fActive, BOOL minimize)
404 /****************************************************************************
405 *
406 * Function:     AppActivate
407 * Parameters:   fActive - True if app is activating
408 *
409 * Description:  If the application is activating, then swap the system
410 *               into SYSPAL_NOSTATIC mode so that our palettes will display
411 *               correctly.
412 *
413 ****************************************************************************/
414 {
415         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
416
417         vid_activewindow = fActive;
418         vid_hidden = minimize;
419
420 // enable/disable sound on focus gain/loss
421         if (!vid_activewindow && sound_active)
422         {
423                 S_BlockSound ();
424                 sound_active = false;
425         }
426         else if (vid_activewindow && !sound_active)
427         {
428                 S_UnblockSound ();
429                 sound_active = true;
430         }
431
432         if (fActive)
433         {
434                 if (vid_isfullscreen)
435                 {
436                         if (vid_wassuspended)
437                         {
438                                 vid_wassuspended = false;
439                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
440                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
441                         }
442
443                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
444                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
445                 }
446         }
447
448         if (!fActive)
449         {
450                 IN_Activate (false);
451                 if (vid_isfullscreen)
452                 {
453                         ChangeDisplaySettings (NULL, 0);
454                         vid_wassuspended = true;
455                 }
456                 VID_RestoreSystemGamma();
457         }
458 }
459
460 //TODO: move it around in vid_wgl.c since I dont think this is the right position
461 void Sys_SendKeyEvents (void)
462 {
463         MSG msg;
464
465         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
466         {
467                 if (!GetMessage (&msg, NULL, 0, 0))
468                         Sys_Quit ();
469
470                 TranslateMessage (&msg);
471                 DispatchMessage (&msg);
472         }
473 }
474
475 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
476
477 static keynum_t buttonremap[16] =
478 {
479         K_MOUSE1,
480         K_MOUSE2,
481         K_MOUSE3,
482         K_MOUSE4,
483         K_MOUSE5,
484         K_MOUSE6,
485         K_MOUSE7,
486         K_MOUSE8,
487         K_MOUSE9,
488         K_MOUSE10,
489         K_MOUSE11,
490         K_MOUSE12,
491         K_MOUSE13,
492         K_MOUSE14,
493         K_MOUSE15,
494         K_MOUSE16,
495 };
496
497 /* main window procedure */
498 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
499 {
500         LONG    lRet = 1;
501         int             fActive, fMinimized, temp;
502         char    state[256];
503         char    asciichar[4];
504         int             vkey;
505         int             charlength;
506         qboolean down = false;
507
508         if ( uMsg == uiWheelMessage )
509                 uMsg = WM_MOUSEWHEEL;
510
511         switch (uMsg)
512         {
513                 case WM_KILLFOCUS:
514                         if (vid_isfullscreen)
515                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
516                         break;
517
518                 case WM_CREATE:
519                         break;
520
521                 case WM_MOVE:
522                         window_x = (int) LOWORD(lParam);
523                         window_y = (int) HIWORD(lParam);
524                         IN_Activate(false);
525                         break;
526
527                 case WM_KEYDOWN:
528                 case WM_SYSKEYDOWN:
529                         down = true;
530                 case WM_KEYUP:
531                 case WM_SYSKEYUP:
532                         vkey = MapKey(lParam, wParam);
533                         GetKeyboardState (state);
534                         // alt/ctrl/shift tend to produce funky ToAscii values,
535                         // and if it's not a single character we don't know care about it
536                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
537                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
538                                 asciichar[0] = 0;
539                         else if( charlength == 2 ) {
540                                 asciichar[0] = asciichar[1];
541                         }
542                         Key_Event (vkey, asciichar[0], down);
543                         break;
544
545                 case WM_SYSCHAR:
546                 // keep Alt-Space from happening
547                         break;
548
549         // this is complicated because Win32 seems to pack multiple mouse events into
550         // one update sometimes, so we always check all states and look for events
551                 case WM_LBUTTONDOWN:
552                 case WM_LBUTTONUP:
553                 case WM_RBUTTONDOWN:
554                 case WM_RBUTTONUP:
555                 case WM_MBUTTONDOWN:
556                 case WM_MBUTTONUP:
557                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
558                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
559                 case WM_MOUSEMOVE:
560                         temp = 0;
561
562                         if (wParam & MK_LBUTTON)
563                                 temp |= 1;
564
565                         if (wParam & MK_RBUTTON)
566                                 temp |= 2;
567
568                         if (wParam & MK_MBUTTON)
569                                 temp |= 4;
570
571                         /* backslash :: imouse explorer buttons */
572                         if (wParam & MK_XBUTTON1)
573                                 temp |= 8;
574
575                         if (wParam & MK_XBUTTON2)
576                                 temp |= 16;
577                         /* :: backslash */
578
579                         // LordHavoc: lets hope this allows more buttons in the future...
580                         if (wParam & MK_XBUTTON3)
581                                 temp |= 32;
582                         if (wParam & MK_XBUTTON4)
583                                 temp |= 64;
584                         if (wParam & MK_XBUTTON5)
585                                 temp |= 128;
586                         if (wParam & MK_XBUTTON6)
587                                 temp |= 256;
588                         if (wParam & MK_XBUTTON7)
589                                 temp |= 512;
590
591                         if (vid_usingmouse && !dinput_acquired)
592                         {
593                                 // perform button actions
594                                 int i;
595                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
596                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
597                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
598                                 mouse_oldbuttonstate = temp;
599                         }
600
601                         break;
602
603                 // JACK: This is the mouse wheel with the Intellimouse
604                 // Its delta is either positive or neg, and we generate the proper
605                 // Event.
606                 case WM_MOUSEWHEEL:
607                         if ((short) HIWORD(wParam) > 0) {
608                                 Key_Event(K_MWHEELUP, 0, true);
609                                 Key_Event(K_MWHEELUP, 0, false);
610                         } else {
611                                 Key_Event(K_MWHEELDOWN, 0, true);
612                                 Key_Event(K_MWHEELDOWN, 0, false);
613                         }
614                         break;
615
616                 case WM_SIZE:
617                         break;
618
619                 case WM_CLOSE:
620                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
621                                 Sys_Quit ();
622
623                         break;
624
625                 case WM_ACTIVATE:
626                         fActive = LOWORD(wParam);
627                         fMinimized = (BOOL) HIWORD(wParam);
628                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
629
630                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
631                         ClearAllStates ();
632
633                         break;
634
635                 //case WM_DESTROY:
636                 //      PostQuitMessage (0);
637                 //      break;
638
639                 case MM_MCINOTIFY:
640                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
641                         break;
642
643                 default:
644                         /* pass all unhandled messages to DefWindowProc */
645                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
646                 break;
647         }
648
649         /* return 1 if handled message, 0 if not */
650         return lRet;
651 }
652
653 int VID_SetGamma(unsigned short *ramps, int rampsize)
654 {
655         HDC hdc = GetDC (NULL);
656         int i = SetDeviceGammaRamp(hdc, ramps);
657         ReleaseDC (NULL, hdc);
658         return i; // return success or failure
659 }
660
661 int VID_GetGamma(unsigned short *ramps, int rampsize)
662 {
663         HDC hdc = GetDC (NULL);
664         int i = GetDeviceGammaRamp(hdc, ramps);
665         ReleaseDC (NULL, hdc);
666         return i; // return success or failure
667 }
668
669 static HINSTANCE gldll;
670
671 static void GL_CloseLibrary(void)
672 {
673         FreeLibrary(gldll);
674         gldll = 0;
675         gl_driver[0] = 0;
676         qwglGetProcAddress = NULL;
677         gl_extensions = "";
678         gl_platform = "";
679         gl_platformextensions = "";
680 }
681
682 static int GL_OpenLibrary(const char *name)
683 {
684         Con_Printf("Loading OpenGL driver %s\n", name);
685         GL_CloseLibrary();
686         if (!(gldll = LoadLibrary(name)))
687         {
688                 Con_Printf("Unable to LoadLibrary %s\n", name);
689                 return false;
690         }
691         strlcpy(gl_driver, name, sizeof(gl_driver));
692         return true;
693 }
694
695 void *GL_GetProcAddress(const char *name)
696 {
697         void *p = NULL;
698         if (qwglGetProcAddress != NULL)
699                 p = (void *) qwglGetProcAddress(name);
700         if (p == NULL)
701                 p = (void *) GetProcAddress(gldll, name);
702         return p;
703 }
704
705 static void IN_Init(void);
706 void VID_Init(void)
707 {
708         WNDCLASS wc;
709
710         InitCommonControls();
711         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
712
713         // Register the frame class
714         wc.style         = 0;
715         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
716         wc.cbClsExtra    = 0;
717         wc.cbWndExtra    = 0;
718         wc.hInstance     = global_hInstance;
719         wc.hIcon         = hIcon;
720         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
721         wc.hbrBackground = NULL;
722         wc.lpszMenuName  = 0;
723         wc.lpszClassName = "DarkPlacesWindowClass";
724
725         if (!RegisterClass (&wc))
726                 Con_Printf ("Couldn't register window class\n");
727
728         IN_Init();
729 }
730
731 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
732 {
733         int i;
734         HDC hdc;
735         RECT rect;
736         MSG msg;
737         PIXELFORMATDESCRIPTOR pfd =
738         {
739                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
740                 1,                              // version number
741                 PFD_DRAW_TO_WINDOW              // support window
742                 |  PFD_SUPPORT_OPENGL   // support OpenGL
743                 |  PFD_DOUBLEBUFFER ,   // double buffered
744                 PFD_TYPE_RGBA,                  // RGBA type
745                 24,                             // 24-bit color depth
746                 0, 0, 0, 0, 0, 0,               // color bits ignored
747                 0,                              // no alpha buffer
748                 0,                              // shift bit ignored
749                 0,                              // no accumulation buffer
750                 0, 0, 0, 0,                     // accum bits ignored
751                 32,                             // 32-bit z-buffer
752                 0,                              // no stencil buffer
753                 0,                              // no auxiliary buffer
754                 PFD_MAIN_PLANE,                 // main layer
755                 0,                              // reserved
756                 0, 0, 0                         // layer masks ignored
757         };
758         int pixelformat;
759         DWORD WindowStyle, ExWindowStyle;
760         int CenterX, CenterY;
761         const char *gldrivername;
762         int depth;
763
764         if (vid_initialized)
765                 Sys_Error("VID_InitMode called when video is already initialised");
766
767         // if stencil is enabled, ask for alpha too
768         if (bpp >= 32)
769         {
770                 pfd.cStencilBits = 8;
771                 pfd.cAlphaBits = 8;
772         }
773         else
774         {
775                 pfd.cStencilBits = 0;
776                 pfd.cAlphaBits = 0;
777         }
778
779         if (stereobuffer)
780                 pfd.dwFlags |= PFD_STEREO;
781
782         gldrivername = "opengl32.dll";
783 // 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
784         i = COM_CheckParm("-gl_driver");
785         if (i && i < com_argc - 1)
786                 gldrivername = com_argv[i + 1];
787         if (!GL_OpenLibrary(gldrivername))
788         {
789                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
790                 return false;
791         }
792
793         memset(&gdevmode, 0, sizeof(gdevmode));
794
795         vid_isfullscreen = false;
796         if (fullscreen)
797         {
798                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
799                 gdevmode.dmBitsPerPel = bpp;
800                 gdevmode.dmPelsWidth = width;
801                 gdevmode.dmPelsHeight = height;
802                 gdevmode.dmDisplayFrequency = refreshrate;
803                 gdevmode.dmSize = sizeof (gdevmode);
804                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
805                 {
806                         VID_Shutdown();
807                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
808                         return false;
809                 }
810
811                 vid_isfullscreen = true;
812                 WindowStyle = WS_POPUP;
813                 ExWindowStyle = WS_EX_TOPMOST;
814         }
815         else
816         {
817                 hdc = GetDC (NULL);
818                 i = GetDeviceCaps(hdc, RASTERCAPS);
819                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
820                 ReleaseDC (NULL, hdc);
821                 if (i & RC_PALETTE)
822                 {
823                         VID_Shutdown();
824                         Con_Print("Can't run in non-RGB mode\n");
825                         return false;
826                 }
827                 if (bpp > depth)
828                 {
829                         VID_Shutdown();
830                         Con_Print("A higher desktop depth is required to run this video mode\n");
831                         return false;
832                 }
833
834                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
835                 ExWindowStyle = 0;
836         }
837
838         rect.top = 0;
839         rect.left = 0;
840         rect.right = width;
841         rect.bottom = height;
842         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
843
844         if (fullscreen)
845         {
846                 CenterX = 0;
847                 CenterY = 0;
848         }
849         else
850         {
851                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
852                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
853         }
854         CenterX = max(0, CenterX);
855         CenterY = max(0, CenterY);
856
857         // x and y may be changed by WM_MOVE messages
858         window_x = CenterX;
859         window_y = CenterY;
860         rect.left += CenterX;
861         rect.right += CenterX;
862         rect.top += CenterY;
863         rect.bottom += CenterY;
864
865         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
866         if (!mainwindow)
867         {
868                 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);
869                 VID_Shutdown();
870                 return false;
871         }
872
873         /*
874         if (!fullscreen)
875                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
876         */
877
878         ShowWindow (mainwindow, SW_SHOWDEFAULT);
879         UpdateWindow (mainwindow);
880
881         // now we try to make sure we get the focus on the mode switch, because
882         // sometimes in some systems we don't.  We grab the foreground, then
883         // finish setting up, pump all our messages, and sleep for a little while
884         // to let messages finish bouncing around the system, then we put
885         // ourselves at the top of the z order, then grab the foreground again,
886         // Who knows if it helps, but it probably doesn't hurt
887         SetForegroundWindow (mainwindow);
888
889         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
890         {
891                 TranslateMessage (&msg);
892                 DispatchMessage (&msg);
893         }
894
895         Sleep (100);
896
897         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
898
899         SetForegroundWindow (mainwindow);
900
901         // fix the leftover Alt from any Alt-Tab or the like that switched us away
902         ClearAllStates ();
903
904         baseDC = GetDC(mainwindow);
905
906         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
907         {
908                 VID_Shutdown();
909                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
910                 return false;
911         }
912
913         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
914         {
915                 VID_Shutdown();
916                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
917                 return false;
918         }
919
920         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
921         {
922                 VID_Shutdown();
923                 Con_Print("wgl functions not found\n");
924                 return false;
925         }
926
927         baseRC = qwglCreateContext(baseDC);
928         if (!baseRC)
929         {
930                 VID_Shutdown();
931                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
932                 return false;
933         }
934         if (!qwglMakeCurrent(baseDC, baseRC))
935         {
936                 VID_Shutdown();
937                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
938                 return false;
939         }
940
941         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
942         {
943                 VID_Shutdown();
944                 Con_Print("glGetString not found\n");
945                 return false;
946         }
947         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
948                 Con_Print("wglGetExtensionsStringARB not found\n");
949         gl_renderer = qglGetString(GL_RENDERER);
950         gl_vendor = qglGetString(GL_VENDOR);
951         gl_version = qglGetString(GL_VERSION);
952         gl_extensions = qglGetString(GL_EXTENSIONS);
953         gl_platform = "WGL";
954         gl_platformextensions = "";
955
956         gl_videosyncavailable = false;
957
958         if (qwglGetExtensionsStringARB)
959                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
960
961 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
962         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
963         //ReleaseDC(mainwindow, hdc);
964
965         GL_Init ();
966
967         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
968         if (strncasecmp(gl_vendor,"ATI",3)==0)
969         {
970                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
971                         isRagePro = true;
972         }
973         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
974                 isG200 = true;
975
976         //vid_menudrawfn = VID_MenuDraw;
977         //vid_menukeyfn = VID_MenuKey;
978         vid_usingmouse = false;
979         vid_usingvsync = false;
980         vid_hidden = false;
981         vid_initialized = true;
982
983         IN_StartupMouse ();
984         IN_StartupJoystick ();
985
986         if (gl_videosyncavailable)
987         {
988                 vid_usevsync = vid_vsync.integer;
989                 vid_usingvsync = vid_vsync.integer;
990                 qwglSwapIntervalEXT (vid_usevsync);
991         }
992
993         return true;
994 }
995
996 static void IN_Shutdown(void);
997 void VID_Shutdown (void)
998 {
999         if(vid_initialized == false)
1000                 return;
1001
1002         VID_RestoreSystemGamma();
1003
1004         vid_initialized = false;
1005         IN_Shutdown();
1006         if (qwglMakeCurrent)
1007                 qwglMakeCurrent(NULL, NULL);
1008         if (baseRC && qwglDeleteContext)
1009                 qwglDeleteContext(baseRC);
1010         // close the library before we get rid of the window
1011         GL_CloseLibrary();
1012         if (baseDC && mainwindow)
1013                 ReleaseDC(mainwindow, baseDC);
1014         AppActivate(false, false);
1015         if (mainwindow)
1016                 DestroyWindow(mainwindow);
1017         mainwindow = 0;
1018         if (vid_isfullscreen)
1019                 ChangeDisplaySettings (NULL, 0);
1020         vid_isfullscreen = false;
1021 }
1022
1023 static void IN_Activate (qboolean grab)
1024 {
1025         if (!mouseinitialized)
1026                 return;
1027
1028         if (grab)
1029         {
1030                 if (!vid_usingmouse)
1031                 {
1032                         vid_usingmouse = true;
1033                         cl_ignoremousemove = true;
1034                         if (dinput && g_pMouse)
1035                         {
1036                                 IDirectInputDevice_Acquire(g_pMouse);
1037                                 dinput_acquired = true;
1038                         }
1039                         else
1040                         {
1041                                 RECT window_rect;
1042                                 window_rect.left = window_x;
1043                                 window_rect.top = window_y;
1044                                 window_rect.right = window_x + vid.width;
1045                                 window_rect.bottom = window_y + vid.height;
1046                                 if (mouseparmsvalid)
1047                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1048                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1049                                 SetCapture (mainwindow);
1050                                 ClipCursor (&window_rect);
1051                         }
1052                         ShowCursor (false);
1053                 }
1054         }
1055         else
1056         {
1057                 if (vid_usingmouse)
1058                 {
1059                         vid_usingmouse = false;
1060                         cl_ignoremousemove = true;
1061                         if (dinput_acquired)
1062                         {
1063                                 IDirectInputDevice_Unacquire(g_pMouse);
1064                                 dinput_acquired = false;
1065                         }
1066                         else
1067                         {
1068                                 if (restore_spi)
1069                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1070                                 ClipCursor (NULL);
1071                                 ReleaseCapture ();
1072                         }
1073                         ShowCursor (true);
1074                 }
1075         }
1076 }
1077
1078
1079 /*
1080 ===========
1081 IN_InitDInput
1082 ===========
1083 */
1084 static qboolean IN_InitDInput (void)
1085 {
1086     HRESULT             hr;
1087         DIPROPDWORD     dipdw = {
1088                 {
1089                         sizeof(DIPROPDWORD),        // diph.dwSize
1090                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1091                         0,                          // diph.dwObj
1092                         DIPH_DEVICE,                // diph.dwHow
1093                 },
1094                 DINPUT_BUFFERSIZE,              // dwData
1095         };
1096
1097         if (!hInstDI)
1098         {
1099                 hInstDI = LoadLibrary("dinput.dll");
1100
1101                 if (hInstDI == NULL)
1102                 {
1103                         Con_Print("Couldn't load dinput.dll\n");
1104                         return false;
1105                 }
1106         }
1107
1108         if (!pDirectInputCreate)
1109         {
1110                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1111
1112                 if (!pDirectInputCreate)
1113                 {
1114                         Con_Print("Couldn't get DI proc addr\n");
1115                         return false;
1116                 }
1117         }
1118
1119 // register with DirectInput and get an IDirectInput to play with.
1120         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1121
1122         if (FAILED(hr))
1123         {
1124                 return false;
1125         }
1126
1127 // obtain an interface to the system mouse device.
1128         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1129
1130         if (FAILED(hr))
1131         {
1132                 Con_Print("Couldn't open DI mouse device\n");
1133                 return false;
1134         }
1135
1136 // set the data format to "mouse format".
1137         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1138
1139         if (FAILED(hr))
1140         {
1141                 Con_Print("Couldn't set DI mouse format\n");
1142                 return false;
1143         }
1144
1145 // set the cooperativity level.
1146         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1147                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1148
1149         if (FAILED(hr))
1150         {
1151                 Con_Print("Couldn't set DI coop level\n");
1152                 return false;
1153         }
1154
1155
1156 // set the buffer size to DINPUT_BUFFERSIZE elements.
1157 // the buffer size is a DWORD property associated with the device
1158         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1159
1160         if (FAILED(hr))
1161         {
1162                 Con_Print("Couldn't set DI buffersize\n");
1163                 return false;
1164         }
1165
1166         return true;
1167 }
1168
1169
1170 /*
1171 ===========
1172 IN_StartupMouse
1173 ===========
1174 */
1175 static void IN_StartupMouse (void)
1176 {
1177         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1178                 return;
1179
1180         mouseinitialized = true;
1181
1182 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1183         if (COM_CheckParm ("-dinput"))
1184                 dinput = IN_InitDInput ();
1185
1186         if (dinput)
1187                 Con_Print("DirectInput initialized\n");
1188         else
1189                 Con_Print("DirectInput not initialized\n");
1190
1191         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1192
1193         if (mouseparmsvalid)
1194         {
1195 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1196                 if ( COM_CheckParm ("-noforcemspd") )
1197                         newmouseparms[2] = originalmouseparms[2];
1198
1199 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1200                 if ( COM_CheckParm ("-noforcemaccel") )
1201                 {
1202                         newmouseparms[0] = originalmouseparms[0];
1203                         newmouseparms[1] = originalmouseparms[1];
1204                 }
1205
1206 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1207                 if ( COM_CheckParm ("-noforcemparms") )
1208                 {
1209                         newmouseparms[0] = originalmouseparms[0];
1210                         newmouseparms[1] = originalmouseparms[1];
1211                         newmouseparms[2] = originalmouseparms[2];
1212                 }
1213         }
1214
1215         mouse_buttons = 10;
1216 }
1217
1218
1219 /*
1220 ===========
1221 IN_MouseMove
1222 ===========
1223 */
1224 static void IN_MouseMove (void)
1225 {
1226         int i, mx, my;
1227         POINT current_pos;
1228
1229         if (!vid_usingmouse)
1230         {
1231                 //GetCursorPos (&current_pos);
1232                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1233                 return;
1234         }
1235
1236         if (dinput_acquired)
1237         {
1238                 DIDEVICEOBJECTDATA      od;
1239                 DWORD                           dwElements;
1240                 HRESULT                         hr;
1241                 mx = 0;
1242                 my = 0;
1243
1244                 for (;;)
1245                 {
1246                         dwElements = 1;
1247
1248                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1249                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1250
1251                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1252                         {
1253                                 IDirectInputDevice_Acquire(g_pMouse);
1254                                 break;
1255                         }
1256
1257                         /* Unable to read data or no data available */
1258                         if (FAILED(hr) || dwElements == 0)
1259                                 break;
1260
1261                         /* Look at the element to see what happened */
1262
1263                         switch (od.dwOfs)
1264                         {
1265                                 case DIMOFS_X:
1266                                         mx += od.dwData;
1267                                         break;
1268
1269                                 case DIMOFS_Y:
1270                                         my += od.dwData;
1271                                         break;
1272
1273                                 case DIMOFS_BUTTON0:
1274                                         if (od.dwData & 0x80)
1275                                                 mstate_di |= 1;
1276                                         else
1277                                                 mstate_di &= ~1;
1278                                         break;
1279
1280                                 case DIMOFS_BUTTON1:
1281                                         if (od.dwData & 0x80)
1282                                                 mstate_di |= (1<<1);
1283                                         else
1284                                                 mstate_di &= ~(1<<1);
1285                                         break;
1286
1287                                 case DIMOFS_BUTTON2:
1288                                         if (od.dwData & 0x80)
1289                                                 mstate_di |= (1<<2);
1290                                         else
1291                                                 mstate_di &= ~(1<<2);
1292                                         break;
1293                         }
1294                 }
1295
1296                 // perform button actions
1297                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1298                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1299                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1300                 mouse_oldbuttonstate = mstate_di;
1301
1302                 in_mouse_x = mx;
1303                 in_mouse_y = my;
1304         }
1305         else
1306         {
1307                 GetCursorPos (&current_pos);
1308                 mx = current_pos.x - (window_x + vid.width / 2);
1309                 my = current_pos.y - (window_y + vid.height / 2);
1310
1311                 in_mouse_x = mx;
1312                 in_mouse_y = my;
1313
1314                 // if the mouse has moved, force it to the center, so there's room to move
1315                 if (!cl.csqc_wantsmousemove)
1316                 if (mx || my)
1317                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1318         }
1319 }
1320
1321
1322 /*
1323 ===========
1324 IN_Move
1325 ===========
1326 */
1327 void IN_Move (void)
1328 {
1329         if (vid_activewindow && !vid_hidden)
1330         {
1331                 IN_MouseMove ();
1332                 IN_JoyMove ();
1333         }
1334 }
1335
1336
1337 /*
1338 ===============
1339 IN_StartupJoystick
1340 ===============
1341 */
1342 static void IN_StartupJoystick (void)
1343 {
1344         int                     numdevs;
1345         JOYCAPS         jc;
1346         MMRESULT        mmr;
1347         mmr = 0;
1348
1349         // assume no joystick
1350         joy_avail = false;
1351
1352         // abort startup if user requests no joystick
1353 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1354         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1355                 return;
1356
1357         // verify joystick driver is present
1358         if ((numdevs = joyGetNumDevs ()) == 0)
1359         {
1360                 Con_Print("\njoystick not found -- driver not present\n\n");
1361                 return;
1362         }
1363
1364         // cycle through the joystick ids for the first valid one
1365         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1366         {
1367                 memset (&ji, 0, sizeof(ji));
1368                 ji.dwSize = sizeof(ji);
1369                 ji.dwFlags = JOY_RETURNCENTERED;
1370
1371                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1372                         break;
1373         }
1374
1375         // abort startup if we didn't find a valid joystick
1376         if (mmr != JOYERR_NOERROR)
1377         {
1378                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1379                 return;
1380         }
1381
1382         // get the capabilities of the selected joystick
1383         // abort startup if command fails
1384         memset (&jc, 0, sizeof(jc));
1385         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1386         {
1387                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1388                 return;
1389         }
1390
1391         // save the joystick's number of buttons and POV status
1392         joy_numbuttons = jc.wNumButtons;
1393         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1394
1395         // old button and POV states default to no buttons pressed
1396         joy_oldbuttonstate = joy_oldpovstate = 0;
1397
1398         // mark the joystick as available and advanced initialization not completed
1399         // this is needed as cvars are not available during initialization
1400
1401         joy_avail = true;
1402         joy_advancedinit = false;
1403
1404         Con_Print("\njoystick detected\n\n");
1405 }
1406
1407
1408 /*
1409 ===========
1410 RawValuePointer
1411 ===========
1412 */
1413 static PDWORD RawValuePointer (int axis)
1414 {
1415         switch (axis)
1416         {
1417         case JOY_AXIS_X:
1418                 return &ji.dwXpos;
1419         case JOY_AXIS_Y:
1420                 return &ji.dwYpos;
1421         case JOY_AXIS_Z:
1422                 return &ji.dwZpos;
1423         case JOY_AXIS_R:
1424                 return &ji.dwRpos;
1425         case JOY_AXIS_U:
1426                 return &ji.dwUpos;
1427         case JOY_AXIS_V:
1428                 return &ji.dwVpos;
1429         }
1430         return NULL; // LordHavoc: hush compiler warning
1431 }
1432
1433
1434 /*
1435 ===========
1436 Joy_AdvancedUpdate_f
1437 ===========
1438 */
1439 static void Joy_AdvancedUpdate_f (void)
1440 {
1441
1442         // called once by IN_ReadJoystick and by user whenever an update is needed
1443         // cvars are now available
1444         int     i;
1445         DWORD dwTemp;
1446
1447         // initialize all the maps
1448         for (i = 0; i < JOY_MAX_AXES; i++)
1449         {
1450                 dwAxisMap[i] = AxisNada;
1451                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1452                 pdwRawValue[i] = RawValuePointer(i);
1453         }
1454
1455         if( joy_advanced.integer == 0)
1456         {
1457                 // default joystick initialization
1458                 // 2 axes only with joystick control
1459                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1460                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1461                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1462                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1463         }
1464         else
1465         {
1466                 if (strcmp (joy_name.string, "joystick") != 0)
1467                 {
1468                         // notify user of advanced controller
1469                         Con_Printf("\n%s configured\n\n", joy_name.string);
1470                 }
1471
1472                 // advanced initialization here
1473                 // data supplied by user via joy_axisn cvars
1474                 dwTemp = (DWORD) joy_advaxisx.value;
1475                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1476                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1477                 dwTemp = (DWORD) joy_advaxisy.value;
1478                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1479                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1480                 dwTemp = (DWORD) joy_advaxisz.value;
1481                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1482                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1483                 dwTemp = (DWORD) joy_advaxisr.value;
1484                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1485                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1486                 dwTemp = (DWORD) joy_advaxisu.value;
1487                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1488                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1489                 dwTemp = (DWORD) joy_advaxisv.value;
1490                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1491                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1492         }
1493
1494         // compute the axes to collect from DirectInput
1495         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1496         for (i = 0; i < JOY_MAX_AXES; i++)
1497         {
1498                 if (dwAxisMap[i] != AxisNada)
1499                 {
1500                         joy_flags |= dwAxisFlags[i];
1501                 }
1502         }
1503 }
1504
1505 /*
1506 ===============
1507 IN_ReadJoystick
1508 ===============
1509 */
1510 static qboolean IN_ReadJoystick (void)
1511 {
1512
1513         memset (&ji, 0, sizeof(ji));
1514         ji.dwSize = sizeof(ji);
1515         ji.dwFlags = joy_flags;
1516
1517         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1518         {
1519                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1520                 // rather than having 32768 be the zero point, they have the zero point at 32668
1521                 // go figure -- anyway, now we get the full resolution out of the device
1522                 if (joy_wwhack1.integer != 0.0)
1523                 {
1524                         ji.dwUpos += 100;
1525                 }
1526                 return true;
1527         }
1528         else
1529         {
1530                 // read error occurred
1531                 // turning off the joystick seems too harsh for 1 read error,
1532                 // but what should be done?
1533                 return false;
1534         }
1535 }
1536
1537
1538 /*
1539 ===========
1540 IN_JoyMove
1541 ===========
1542 */
1543 static void IN_JoyMove (void)
1544 {
1545         float   speed, aspeed;
1546         float   fAxisValue, fTemp;
1547         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1548
1549         // complete initialization if first time in
1550         // this is needed as cvars are not available at initialization time
1551         if( joy_advancedinit != true )
1552         {
1553                 Joy_AdvancedUpdate_f();
1554                 joy_advancedinit = true;
1555         }
1556
1557         if (joy_avail)
1558         {
1559                 int             i, key_index;
1560                 DWORD   buttonstate, povstate;
1561
1562                 // loop through the joystick buttons
1563                 // key a joystick event or auxillary event for higher number buttons for each state change
1564                 buttonstate = ji.dwButtons;
1565                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1566                 {
1567                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1568                         {
1569                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1570                                 Key_Event (key_index + i, 0, true);
1571                         }
1572
1573                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1574                         {
1575                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1576                                 Key_Event (key_index + i, 0, false);
1577                         }
1578                 }
1579                 joy_oldbuttonstate = buttonstate;
1580
1581                 if (joy_haspov)
1582                 {
1583                         // convert POV information into 4 bits of state information
1584                         // this avoids any potential problems related to moving from one
1585                         // direction to another without going through the center position
1586                         povstate = 0;
1587                         if(ji.dwPOV != JOY_POVCENTERED)
1588                         {
1589                                 if (ji.dwPOV == JOY_POVFORWARD)
1590                                         povstate |= 0x01;
1591                                 if (ji.dwPOV == JOY_POVRIGHT)
1592                                         povstate |= 0x02;
1593                                 if (ji.dwPOV == JOY_POVBACKWARD)
1594                                         povstate |= 0x04;
1595                                 if (ji.dwPOV == JOY_POVLEFT)
1596                                         povstate |= 0x08;
1597                         }
1598                         // determine which bits have changed and key an auxillary event for each change
1599                         for (i=0 ; i < 4 ; i++)
1600                         {
1601                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1602                                 {
1603                                         Key_Event (K_AUX29 + i, 0, true);
1604                                 }
1605
1606                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1607                                 {
1608                                         Key_Event (K_AUX29 + i, 0, false);
1609                                 }
1610                         }
1611                         joy_oldpovstate = povstate;
1612                 }
1613         }
1614
1615         // verify joystick is available and that the user wants to use it
1616         if (!joy_avail || !in_joystick.integer)
1617         {
1618                 return;
1619         }
1620
1621         // collect the joystick data, if possible
1622         if (IN_ReadJoystick () != true)
1623         {
1624                 return;
1625         }
1626
1627         if (in_speed.state & 1)
1628                 speed = cl_movespeedkey.value;
1629         else
1630                 speed = 1;
1631         // LordHavoc: viewzoom affects sensitivity for sniping
1632         aspeed = speed * cl.realframetime * cl.viewzoom;
1633
1634         // loop through the axes
1635         for (i = 0; i < JOY_MAX_AXES; i++)
1636         {
1637                 // get the floating point zero-centered, potentially-inverted data for the current axis
1638                 fAxisValue = (float) *pdwRawValue[i];
1639                 // move centerpoint to zero
1640                 fAxisValue -= 32768.0;
1641
1642                 if (joy_wwhack2.integer != 0.0)
1643                 {
1644                         if (dwAxisMap[i] == AxisTurn)
1645                         {
1646                                 // this is a special formula for the Logitech WingMan Warrior
1647                                 // y=ax^b; where a = 300 and b = 1.3
1648                                 // also x values are in increments of 800 (so this is factored out)
1649                                 // then bounds check result to level out excessively high spin rates
1650                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1651                                 if (fTemp > 14000.0)
1652                                         fTemp = 14000.0;
1653                                 // restore direction information
1654                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1655                         }
1656                 }
1657
1658                 // convert range from -32768..32767 to -1..1
1659                 fAxisValue /= 32768.0;
1660
1661                 switch (dwAxisMap[i])
1662                 {
1663                 case AxisForward:
1664                         if ((joy_advanced.integer == 0) && mouselook)
1665                         {
1666                                 // user wants forward control to become look control
1667                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1668                                 {
1669                                         // if mouse invert is on, invert the joystick pitch value
1670                                         // only absolute control support here (joy_advanced is false)
1671                                         if (m_pitch.value < 0.0)
1672                                         {
1673                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1674                                         }
1675                                         else
1676                                         {
1677                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1678                                         }
1679                                         V_StopPitchDrift();
1680                                 }
1681                                 else
1682                                 {
1683                                         // no pitch movement
1684                                         // disable pitch return-to-center unless requested by user
1685                                         // *** this code can be removed when the lookspring bug is fixed
1686                                         // *** the bug always has the lookspring feature on
1687                                         if(lookspring.value == 0.0)
1688                                                 V_StopPitchDrift();
1689                                 }
1690                         }
1691                         else
1692                         {
1693                                 // user wants forward control to be forward control
1694                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1695                                 {
1696                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1697                                 }
1698                         }
1699                         break;
1700
1701                 case AxisSide:
1702                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1703                         {
1704                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1705                         }
1706                         break;
1707
1708                 case AxisTurn:
1709                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1710                         {
1711                                 // user wants turn control to become side control
1712                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1713                                 {
1714                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1715                                 }
1716                         }
1717                         else
1718                         {
1719                                 // user wants turn control to be turn control
1720                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1721                                 {
1722                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1723                                         {
1724                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1725                                         }
1726                                         else
1727                                         {
1728                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1729                                         }
1730
1731                                 }
1732                         }
1733                         break;
1734
1735                 case AxisLook:
1736                         if (mouselook)
1737                         {
1738                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1739                                 {
1740                                         // pitch movement detected and pitch movement desired by user
1741                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1742                                         {
1743                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1744                                         }
1745                                         else
1746                                         {
1747                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1748                                         }
1749                                         V_StopPitchDrift();
1750                                 }
1751                                 else
1752                                 {
1753                                         // no pitch movement
1754                                         // disable pitch return-to-center unless requested by user
1755                                         // *** this code can be removed when the lookspring bug is fixed
1756                                         // *** the bug always has the lookspring feature on
1757                                         if(lookspring.integer == 0)
1758                                                 V_StopPitchDrift();
1759                                 }
1760                         }
1761                         break;
1762
1763                 default:
1764                         break;
1765                 }
1766         }
1767 }
1768
1769 static void IN_Init(void)
1770 {
1771         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1772
1773         // joystick variables
1774         Cvar_RegisterVariable (&in_joystick);
1775         Cvar_RegisterVariable (&joy_name);
1776         Cvar_RegisterVariable (&joy_advanced);
1777         Cvar_RegisterVariable (&joy_advaxisx);
1778         Cvar_RegisterVariable (&joy_advaxisy);
1779         Cvar_RegisterVariable (&joy_advaxisz);
1780         Cvar_RegisterVariable (&joy_advaxisr);
1781         Cvar_RegisterVariable (&joy_advaxisu);
1782         Cvar_RegisterVariable (&joy_advaxisv);
1783         Cvar_RegisterVariable (&joy_forwardthreshold);
1784         Cvar_RegisterVariable (&joy_sidethreshold);
1785         Cvar_RegisterVariable (&joy_pitchthreshold);
1786         Cvar_RegisterVariable (&joy_yawthreshold);
1787         Cvar_RegisterVariable (&joy_forwardsensitivity);
1788         Cvar_RegisterVariable (&joy_sidesensitivity);
1789         Cvar_RegisterVariable (&joy_pitchsensitivity);
1790         Cvar_RegisterVariable (&joy_yawsensitivity);
1791         Cvar_RegisterVariable (&joy_wwhack1);
1792         Cvar_RegisterVariable (&joy_wwhack2);
1793         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1794 }
1795
1796 static void IN_Shutdown(void)
1797 {
1798         IN_Activate (false);
1799
1800         if (g_pMouse)
1801                 IDirectInputDevice_Release(g_pMouse);
1802         g_pMouse = NULL;
1803
1804         if (g_pdi)
1805                 IDirectInput_Release(g_pdi);
1806         g_pdi = NULL;
1807 }