22f465201413369afd0299306562248c849e9577
[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 <dsound.h>
28 #include "resource.h"
29 #include <commctrl.h>
30
31 extern void S_BlockSound (void);
32 extern void S_UnblockSound (void);
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 #include <dinput.h>
119
120 #define DINPUT_BUFFERSIZE           16
121 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
122
123 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
124
125 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
126 /* backslash :: imouse explorer buttons */
127 /* These are #ifdefed out for non-Win2K in the February 2001 version of
128    MS's platform SDK, but we need them for compilation. . . */
129 #ifndef WM_XBUTTONDOWN
130    #define WM_XBUTTONDOWN      0x020B
131    #define WM_XBUTTONUP      0x020C
132 #endif
133 #ifndef MK_XBUTTON1
134    #define MK_XBUTTON1         0x0020
135    #define MK_XBUTTON2         0x0040
136 // LordHavoc: lets hope this allows more buttons in the future...
137    #define MK_XBUTTON3         0x0080
138    #define MK_XBUTTON4         0x0100
139    #define MK_XBUTTON5         0x0200
140    #define MK_XBUTTON6         0x0400
141    #define MK_XBUTTON7         0x0800
142 #endif
143 /* :: backslash */
144
145 // mouse variables
146 static int                      mouse_buttons;
147 static int                      mouse_oldbuttonstate;
148
149 static qboolean restore_spi;
150 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 0};
151
152 static unsigned int uiWheelMessage;
153 static qboolean mouseparmsvalid;
154 static qboolean dinput_acquired;
155
156 static unsigned int             mstate_di;
157
158 // joystick defines and variables
159 // where should defines be moved?
160 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
161 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
162 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
163 #define JOY_AXIS_X                      0
164 #define JOY_AXIS_Y                      1
165 #define JOY_AXIS_Z                      2
166 #define JOY_AXIS_R                      3
167 #define JOY_AXIS_U                      4
168 #define JOY_AXIS_V                      5
169
170 enum _ControlList
171 {
172         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
173 };
174
175 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
176 {
177         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
178 };
179
180 static DWORD    dwAxisMap[JOY_MAX_AXES];
181 static DWORD    dwControlMap[JOY_MAX_AXES];
182 static PDWORD   pdwRawValue[JOY_MAX_AXES];
183
184 // none of these cvars are saved over a session
185 // this means that advanced controller configuration needs to be executed
186 // each time.  this avoids any problems with getting back to a default usage
187 // or when changing from one controller to another.  this way at least something
188 // works.
189 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
190 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
191 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
192 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
193 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
194 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
195 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
196 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
197 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
198 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
199 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
200 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
201 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
202 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
203 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
204 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
205 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
206 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
207 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
208
209 static qboolean joy_avail, joy_advancedinit, joy_haspov;
210 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
211
212 static int                      joy_id;
213 static DWORD            joy_flags;
214 static DWORD            joy_numbuttons;
215
216 static LPDIRECTINPUT            g_pdi;
217 static LPDIRECTINPUTDEVICE      g_pMouse;
218
219 static JOYINFOEX        ji;
220
221 static HINSTANCE hInstDI;
222
223 //static qboolean       dinput;
224
225 typedef struct MYDATA {
226         LONG  lX;                   // X axis goes here
227         LONG  lY;                   // Y axis goes here
228         LONG  lZ;                   // Z axis goes here
229         BYTE  bButtonA;             // One button goes here
230         BYTE  bButtonB;             // Another button goes here
231         BYTE  bButtonC;             // Another button goes here
232         BYTE  bButtonD;             // Another button goes here
233 } MYDATA;
234
235 static DIOBJECTDATAFORMAT rgodf[] = {
236   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
237   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
238   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
239   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
240   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
241   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
242   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
243 };
244
245 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
246
247 static DIDATAFORMAT     df = {
248         sizeof(DIDATAFORMAT),       // this structure
249         sizeof(DIOBJECTDATAFORMAT), // size of object data format
250         DIDF_RELAXIS,               // absolute axis coordinates
251         sizeof(MYDATA),             // device data size
252         NUM_OBJECTS,                // number of objects
253         rgodf,                      // and here they are
254 };
255
256 // forward-referenced functions
257 static void IN_StartupJoystick (void);
258 static void Joy_AdvancedUpdate_f (void);
259 static void IN_JoyMove (void);
260 static void IN_StartupMouse (void);
261
262
263 //====================================
264
265 void VID_Finish (void)
266 {
267         qboolean vid_usemouse;
268
269         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
270         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
271         {
272                 vid_usingvsync = vid_usevsync;
273                 qwglSwapIntervalEXT (vid_usevsync);
274         }
275
276 // handle the mouse state when windowed if that's changed
277         vid_usemouse = false;
278         if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
279                 vid_usemouse = true;
280         if (vid_isfullscreen)
281                 vid_usemouse = true;
282         if (!vid_activewindow)
283                 vid_usemouse = false;
284         IN_Activate(vid_usemouse);
285
286         if (r_render.integer && !vid_hidden)
287         {
288                 if (r_speeds.integer || gl_finish.integer)
289                         qglFinish();
290                 SwapBuffers(baseDC);
291         }
292 }
293
294 //==========================================================================
295
296
297
298
299 static unsigned char scantokey[128] =
300 {
301 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
302         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
303         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
304         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
305         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
306         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
307         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
308         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
309         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
310 };
311
312
313 /*
314 =======
315 MapKey
316
317 Map from windows to quake keynums
318 =======
319 */
320 static int MapKey (int key, int virtualkey)
321 {
322         int result;
323         int modified = (key >> 16) & 255;
324         qboolean is_extended = false;
325
326         if (modified < 128 && scantokey[modified])
327                 result = scantokey[modified];
328         else
329         {
330                 result = 0;
331                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
332         }
333
334         if (key & (1 << 24))
335                 is_extended = true;
336
337         if ( !is_extended )
338         {
339                 switch ( result )
340                 {
341                 case K_HOME:
342                         return K_KP_HOME;
343                 case K_UPARROW:
344                         return K_KP_UPARROW;
345                 case K_PGUP:
346                         return K_KP_PGUP;
347                 case K_LEFTARROW:
348                         return K_KP_LEFTARROW;
349                 case K_RIGHTARROW:
350                         return K_KP_RIGHTARROW;
351                 case K_END:
352                         return K_KP_END;
353                 case K_DOWNARROW:
354                         return K_KP_DOWNARROW;
355                 case K_PGDN:
356                         return K_KP_PGDN;
357                 case K_INS:
358                         return K_KP_INS;
359                 case K_DEL:
360                         return K_KP_DEL;
361                 default:
362                         return result;
363                 }
364         }
365         else
366         {
367                 switch ( result )
368                 {
369                 case 0x0D:
370                         return K_KP_ENTER;
371                 case 0x2F:
372                         return K_KP_SLASH;
373                 case 0xAF:
374                         return K_KP_PLUS;
375                 }
376                 return result;
377         }
378 }
379
380 /*
381 ===================================================================
382
383 MAIN WINDOW
384
385 ===================================================================
386 */
387
388 /*
389 ================
390 ClearAllStates
391 ================
392 */
393 static void ClearAllStates (void)
394 {
395         Key_ClearStates ();
396         if (vid_usingmouse)
397                 mouse_oldbuttonstate = 0;
398 }
399
400 void AppActivate(BOOL fActive, BOOL minimize)
401 /****************************************************************************
402 *
403 * Function:     AppActivate
404 * Parameters:   fActive - True if app is activating
405 *
406 * Description:  If the application is activating, then swap the system
407 *               into SYSPAL_NOSTATIC mode so that our palettes will display
408 *               correctly.
409 *
410 ****************************************************************************/
411 {
412         static BOOL     sound_active;
413
414         vid_activewindow = fActive;
415         vid_hidden = minimize;
416
417 // enable/disable sound on focus gain/loss
418         if (!vid_activewindow && sound_active)
419         {
420                 S_BlockSound ();
421                 sound_active = false;
422         }
423         else if (vid_activewindow && !sound_active)
424         {
425                 S_UnblockSound ();
426                 sound_active = true;
427         }
428
429         if (fActive)
430         {
431                 if (vid_isfullscreen)
432                 {
433                         if (vid_wassuspended)
434                         {
435                                 vid_wassuspended = false;
436                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
437                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
438                         }
439
440                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
441                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
442                 }
443         }
444
445         if (!fActive)
446         {
447                 IN_Activate (false);
448                 if (vid_isfullscreen)
449                 {
450                         ChangeDisplaySettings (NULL, 0);
451                         vid_wassuspended = true;
452                 }
453                 VID_RestoreSystemGamma();
454         }
455 }
456
457 //TODO: move it around in vid_wgl.c since I dont think this is the right position
458 void Sys_SendKeyEvents (void)
459 {
460         MSG msg;
461
462         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
463         {
464                 if (!GetMessage (&msg, NULL, 0, 0))
465                         Sys_Quit ();
466
467                 TranslateMessage (&msg);
468                 DispatchMessage (&msg);
469         }
470 }
471
472 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
473
474 static keynum_t buttonremap[16] =
475 {
476         K_MOUSE1,
477         K_MOUSE2,
478         K_MOUSE3,
479         K_MOUSE4,
480         K_MOUSE5,
481         K_MOUSE6,
482         K_MOUSE7,
483         K_MOUSE8,
484         K_MOUSE9,
485         K_MOUSE10,
486         K_MOUSE11,
487         K_MOUSE12,
488         K_MOUSE13,
489         K_MOUSE14,
490         K_MOUSE15,
491         K_MOUSE16,
492 };
493
494 /* main window procedure */
495 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
496 {
497         LONG    lRet = 1;
498         int             fActive, fMinimized, temp;
499         char    state[256];
500         char    asciichar[4];
501         int             vkey;
502         int             charlength;
503         qboolean down = false;
504
505         if ( uMsg == uiWheelMessage )
506                 uMsg = WM_MOUSEWHEEL;
507
508         switch (uMsg)
509         {
510                 case WM_KILLFOCUS:
511                         if (vid_isfullscreen)
512                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
513                         break;
514
515                 case WM_CREATE:
516                         break;
517
518                 case WM_MOVE:
519                         window_x = (int) LOWORD(lParam);
520                         window_y = (int) HIWORD(lParam);
521                         IN_Activate(false);
522                         break;
523
524                 case WM_KEYDOWN:
525                 case WM_SYSKEYDOWN:
526                         down = true;
527                 case WM_KEYUP:
528                 case WM_SYSKEYUP:
529                         vkey = MapKey(lParam, wParam);
530                         GetKeyboardState (state);
531                         // alt/ctrl/shift tend to produce funky ToAscii values,
532                         // and if it's not a single character we don't know care about it
533                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
534                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
535                                 asciichar[0] = 0;
536                         else if( charlength == 2 ) {
537                                 asciichar[0] = asciichar[1];
538                         }
539                         Key_Event (vkey, asciichar[0], down);
540                         break;
541
542                 case WM_SYSCHAR:
543                 // keep Alt-Space from happening
544                         break;
545
546         // this is complicated because Win32 seems to pack multiple mouse events into
547         // one update sometimes, so we always check all states and look for events
548                 case WM_LBUTTONDOWN:
549                 case WM_LBUTTONUP:
550                 case WM_RBUTTONDOWN:
551                 case WM_RBUTTONUP:
552                 case WM_MBUTTONDOWN:
553                 case WM_MBUTTONUP:
554                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
555                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
556                 case WM_MOUSEMOVE:
557                         temp = 0;
558
559                         if (wParam & MK_LBUTTON)
560                                 temp |= 1;
561
562                         if (wParam & MK_RBUTTON)
563                                 temp |= 2;
564
565                         if (wParam & MK_MBUTTON)
566                                 temp |= 4;
567
568                         /* backslash :: imouse explorer buttons */
569                         if (wParam & MK_XBUTTON1)
570                                 temp |= 8;
571
572                         if (wParam & MK_XBUTTON2)
573                                 temp |= 16;
574                         /* :: backslash */
575
576                         // LordHavoc: lets hope this allows more buttons in the future...
577                         if (wParam & MK_XBUTTON3)
578                                 temp |= 32;
579                         if (wParam & MK_XBUTTON4)
580                                 temp |= 64;
581                         if (wParam & MK_XBUTTON5)
582                                 temp |= 128;
583                         if (wParam & MK_XBUTTON6)
584                                 temp |= 256;
585                         if (wParam & MK_XBUTTON7)
586                                 temp |= 512;
587
588                         if (vid_usingmouse && !dinput_acquired)
589                         {
590                                 // perform button actions
591                                 int i;
592                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
593                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
594                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
595                                 mouse_oldbuttonstate = temp;
596                         }
597
598                         break;
599
600                 // JACK: This is the mouse wheel with the Intellimouse
601                 // Its delta is either positive or neg, and we generate the proper
602                 // Event.
603                 case WM_MOUSEWHEEL:
604                         if ((short) HIWORD(wParam) > 0) {
605                                 Key_Event(K_MWHEELUP, 0, true);
606                                 Key_Event(K_MWHEELUP, 0, false);
607                         } else {
608                                 Key_Event(K_MWHEELDOWN, 0, true);
609                                 Key_Event(K_MWHEELDOWN, 0, false);
610                         }
611                         break;
612
613                 case WM_SIZE:
614                         break;
615
616                 case WM_CLOSE:
617                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
618                                 Sys_Quit ();
619
620                         break;
621
622                 case WM_ACTIVATE:
623                         fActive = LOWORD(wParam);
624                         fMinimized = (BOOL) HIWORD(wParam);
625                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
626
627                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
628                         ClearAllStates ();
629
630                         break;
631
632                 //case WM_DESTROY:
633                 //      PostQuitMessage (0);
634                 //      break;
635
636                 case MM_MCINOTIFY:
637                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
638                         break;
639
640                 default:
641                         /* pass all unhandled messages to DefWindowProc */
642                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
643                 break;
644         }
645
646         /* return 1 if handled message, 0 if not */
647         return lRet;
648 }
649
650 int VID_SetGamma(unsigned short *ramps)
651 {
652         HDC hdc = GetDC (NULL);
653         int i = SetDeviceGammaRamp(hdc, ramps);
654         ReleaseDC (NULL, hdc);
655         return i; // return success or failure
656 }
657
658 int VID_GetGamma(unsigned short *ramps)
659 {
660         HDC hdc = GetDC (NULL);
661         int i = GetDeviceGammaRamp(hdc, ramps);
662         ReleaseDC (NULL, hdc);
663         return i; // return success or failure
664 }
665
666 static HINSTANCE gldll;
667
668 static void GL_CloseLibrary(void)
669 {
670         FreeLibrary(gldll);
671         gldll = 0;
672         gl_driver[0] = 0;
673         qwglGetProcAddress = NULL;
674         gl_extensions = "";
675         gl_platform = "";
676         gl_platformextensions = "";
677 }
678
679 static int GL_OpenLibrary(const char *name)
680 {
681         Con_Printf("Loading OpenGL driver %s\n", name);
682         GL_CloseLibrary();
683         if (!(gldll = LoadLibrary(name)))
684         {
685                 Con_Printf("Unable to LoadLibrary %s\n", name);
686                 return false;
687         }
688         strcpy(gl_driver, name);
689         return true;
690 }
691
692 void *GL_GetProcAddress(const char *name)
693 {
694         void *p = NULL;
695         if (qwglGetProcAddress != NULL)
696                 p = (void *) qwglGetProcAddress(name);
697         if (p == NULL)
698                 p = (void *) GetProcAddress(gldll, name);
699         return p;
700 }
701
702 static void IN_Init(void);
703 void VID_Init(void)
704 {
705         WNDCLASS wc;
706
707         InitCommonControls();
708         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
709
710         // Register the frame class
711         wc.style         = 0;
712         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
713         wc.cbClsExtra    = 0;
714         wc.cbWndExtra    = 0;
715         wc.hInstance     = global_hInstance;
716         wc.hIcon         = hIcon;
717         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
718         wc.hbrBackground = NULL;
719         wc.lpszMenuName  = 0;
720         wc.lpszClassName = "DarkPlacesWindowClass";
721
722         if (!RegisterClass (&wc))
723                 Con_Printf ("Couldn't register window class\n");
724
725         IN_Init();
726 }
727
728 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate)
729 {
730         int i;
731         HDC hdc;
732         RECT rect;
733         MSG msg;
734         PIXELFORMATDESCRIPTOR pfd =
735         {
736                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
737                 1,                              // version number
738                 PFD_DRAW_TO_WINDOW              // support window
739                 |  PFD_SUPPORT_OPENGL   // support OpenGL
740                 |  PFD_DOUBLEBUFFER ,   // double buffered
741                 PFD_TYPE_RGBA,                  // RGBA type
742                 24,                             // 24-bit color depth
743                 0, 0, 0, 0, 0, 0,               // color bits ignored
744                 0,                              // no alpha buffer
745                 0,                              // shift bit ignored
746                 0,                              // no accumulation buffer
747                 0, 0, 0, 0,                     // accum bits ignored
748                 32,                             // 32-bit z-buffer
749                 0,                              // no stencil buffer
750                 0,                              // no auxiliary buffer
751                 PFD_MAIN_PLANE,                 // main layer
752                 0,                              // reserved
753                 0, 0, 0                         // layer masks ignored
754         };
755         int pixelformat;
756         DWORD WindowStyle, ExWindowStyle;
757         int CenterX, CenterY;
758         const char *gldrivername;
759         int depth;
760
761         if (vid_initialized)
762                 Sys_Error("VID_InitMode called when video is already initialised");
763
764         // if stencil is enabled, ask for alpha too
765         if (bpp >= 32)
766         {
767                 pfd.cStencilBits = 8;
768                 pfd.cAlphaBits = 8;
769         }
770         else
771         {
772                 pfd.cStencilBits = 0;
773                 pfd.cAlphaBits = 0;
774         }
775
776         gldrivername = "opengl32.dll";
777 // 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
778         i = COM_CheckParm("-gl_driver");
779         if (i && i < com_argc - 1)
780                 gldrivername = com_argv[i + 1];
781         if (!GL_OpenLibrary(gldrivername))
782         {
783                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
784                 return false;
785         }
786
787         memset(&gdevmode, 0, sizeof(gdevmode));
788
789         vid_isfullscreen = false;
790         if (fullscreen)
791         {
792                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
793                 gdevmode.dmBitsPerPel = bpp;
794                 gdevmode.dmPelsWidth = width;
795                 gdevmode.dmPelsHeight = height;
796                 gdevmode.dmDisplayFrequency = refreshrate;
797                 gdevmode.dmSize = sizeof (gdevmode);
798                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
799                 {
800                         VID_Shutdown();
801                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
802                         return false;
803                 }
804
805                 vid_isfullscreen = true;
806                 WindowStyle = WS_POPUP;
807                 ExWindowStyle = WS_EX_TOPMOST;
808         }
809         else
810         {
811                 hdc = GetDC (NULL);
812                 i = GetDeviceCaps(hdc, RASTERCAPS);
813                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
814                 ReleaseDC (NULL, hdc);
815                 if (i & RC_PALETTE)
816                 {
817                         VID_Shutdown();
818                         Con_Print("Can't run in non-RGB mode\n");
819                         return false;
820                 }
821                 if (bpp > depth)
822                 {
823                         VID_Shutdown();
824                         Con_Print("A higher desktop depth is required to run this video mode\n");
825                         return false;
826                 }
827
828                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
829                 ExWindowStyle = 0;
830         }
831
832         rect.top = 0;
833         rect.left = 0;
834         rect.right = width;
835         rect.bottom = height;
836         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
837
838         if (fullscreen)
839         {
840                 CenterX = 0;
841                 CenterY = 0;
842         }
843         else
844         {
845                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
846                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
847         }
848         CenterX = max(0, CenterX);
849         CenterY = max(0, CenterY);
850
851         // x and y may be changed by WM_MOVE messages
852         window_x = CenterX;
853         window_y = CenterY;
854         rect.left += CenterX;
855         rect.right += CenterX;
856         rect.top += CenterY;
857         rect.bottom += CenterY;
858
859         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
860         if (!mainwindow)
861         {
862                 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);
863                 VID_Shutdown();
864                 return false;
865         }
866
867         /*
868         if (!fullscreen)
869                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
870         */
871
872         ShowWindow (mainwindow, SW_SHOWDEFAULT);
873         UpdateWindow (mainwindow);
874
875         // now we try to make sure we get the focus on the mode switch, because
876         // sometimes in some systems we don't.  We grab the foreground, then
877         // finish setting up, pump all our messages, and sleep for a little while
878         // to let messages finish bouncing around the system, then we put
879         // ourselves at the top of the z order, then grab the foreground again,
880         // Who knows if it helps, but it probably doesn't hurt
881         SetForegroundWindow (mainwindow);
882
883         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
884         {
885                 TranslateMessage (&msg);
886                 DispatchMessage (&msg);
887         }
888
889         Sleep (100);
890
891         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
892
893         SetForegroundWindow (mainwindow);
894
895         // fix the leftover Alt from any Alt-Tab or the like that switched us away
896         ClearAllStates ();
897
898         baseDC = GetDC(mainwindow);
899
900         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
901         {
902                 VID_Shutdown();
903                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
904                 return false;
905         }
906
907         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
908         {
909                 VID_Shutdown();
910                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
911                 return false;
912         }
913
914         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
915         {
916                 VID_Shutdown();
917                 Con_Print("wgl functions not found\n");
918                 return false;
919         }
920
921         baseRC = qwglCreateContext(baseDC);
922         if (!baseRC)
923         {
924                 VID_Shutdown();
925                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
926                 return false;
927         }
928         if (!qwglMakeCurrent(baseDC, baseRC))
929         {
930                 VID_Shutdown();
931                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
932                 return false;
933         }
934
935         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
936         {
937                 VID_Shutdown();
938                 Con_Print("glGetString not found\n");
939                 return false;
940         }
941         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
942                 Con_Print("wglGetExtensionsStringARB not found\n");
943         gl_renderer = qglGetString(GL_RENDERER);
944         gl_vendor = qglGetString(GL_VENDOR);
945         gl_version = qglGetString(GL_VERSION);
946         gl_extensions = qglGetString(GL_EXTENSIONS);
947         gl_platform = "WGL";
948         gl_platformextensions = "";
949
950         gl_videosyncavailable = false;
951
952         if (qwglGetExtensionsStringARB)
953                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
954
955 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
956         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
957         //ReleaseDC(mainwindow, hdc);
958
959         GL_Init ();
960
961         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
962         if (strncasecmp(gl_vendor,"ATI",3)==0)
963         {
964                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
965                         isRagePro = true;
966         }
967         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
968                 isG200 = true;
969
970         //vid_menudrawfn = VID_MenuDraw;
971         //vid_menukeyfn = VID_MenuKey;
972         vid_usingmouse = false;
973         vid_usingvsync = false;
974         vid_hidden = false;
975         vid_initialized = true;
976
977         IN_StartupMouse ();
978         IN_StartupJoystick ();
979
980         if (gl_videosyncavailable)
981         {
982                 vid_usevsync = vid_vsync.integer;
983                 vid_usingvsync = vid_vsync.integer;
984                 qwglSwapIntervalEXT (vid_usevsync);
985         }
986
987         return true;
988 }
989
990 static void IN_Shutdown(void);
991 void VID_Shutdown (void)
992 {
993         if(vid_initialized == false)
994                 return;
995
996         VID_RestoreSystemGamma();
997
998         vid_initialized = false;
999         IN_Shutdown();
1000         if (qwglMakeCurrent)
1001                 qwglMakeCurrent(NULL, NULL);
1002         if (baseRC && qwglDeleteContext)
1003                 qwglDeleteContext(baseRC);
1004         // close the library before we get rid of the window
1005         GL_CloseLibrary();
1006         if (baseDC && mainwindow)
1007                 ReleaseDC(mainwindow, baseDC);
1008         AppActivate(false, false);
1009         if (mainwindow)
1010                 DestroyWindow(mainwindow);
1011         mainwindow = 0;
1012         if (vid_isfullscreen)
1013                 ChangeDisplaySettings (NULL, 0);
1014         vid_isfullscreen = false;
1015 }
1016
1017 static void IN_Activate (qboolean grab)
1018 {
1019         if (!mouseinitialized)
1020                 return;
1021
1022         if (grab)
1023         {
1024                 if (!vid_usingmouse)
1025                 {
1026                         vid_usingmouse = true;
1027                         cl_ignoremousemove = true;
1028                         if (dinput && g_pMouse)
1029                         {
1030                                 IDirectInputDevice_Acquire(g_pMouse);
1031                                 dinput_acquired = true;
1032                         }
1033                         else
1034                         {
1035                                 RECT window_rect;
1036                                 window_rect.left = window_x;
1037                                 window_rect.top = window_y;
1038                                 window_rect.right = window_x + vid.width;
1039                                 window_rect.bottom = window_y + vid.height;
1040                                 if (mouseparmsvalid)
1041                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1042                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1043                                 SetCapture (mainwindow);
1044                                 ClipCursor (&window_rect);
1045                         }
1046                         ShowCursor (false);
1047                 }
1048         }
1049         else
1050         {
1051                 if (vid_usingmouse)
1052                 {
1053                         vid_usingmouse = false;
1054                         cl_ignoremousemove = true;
1055                         if (dinput_acquired)
1056                         {
1057                                 IDirectInputDevice_Unacquire(g_pMouse);
1058                                 dinput_acquired = false;
1059                         }
1060                         else
1061                         {
1062                                 if (restore_spi)
1063                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1064                                 ClipCursor (NULL);
1065                                 ReleaseCapture ();
1066                         }
1067                         ShowCursor (true);
1068                 }
1069         }
1070 }
1071
1072
1073 /*
1074 ===========
1075 IN_InitDInput
1076 ===========
1077 */
1078 static qboolean IN_InitDInput (void)
1079 {
1080     HRESULT             hr;
1081         DIPROPDWORD     dipdw = {
1082                 {
1083                         sizeof(DIPROPDWORD),        // diph.dwSize
1084                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1085                         0,                          // diph.dwObj
1086                         DIPH_DEVICE,                // diph.dwHow
1087                 },
1088                 DINPUT_BUFFERSIZE,              // dwData
1089         };
1090
1091         if (!hInstDI)
1092         {
1093                 hInstDI = LoadLibrary("dinput.dll");
1094
1095                 if (hInstDI == NULL)
1096                 {
1097                         Con_Print("Couldn't load dinput.dll\n");
1098                         return false;
1099                 }
1100         }
1101
1102         if (!pDirectInputCreate)
1103         {
1104                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1105
1106                 if (!pDirectInputCreate)
1107                 {
1108                         Con_Print("Couldn't get DI proc addr\n");
1109                         return false;
1110                 }
1111         }
1112
1113 // register with DirectInput and get an IDirectInput to play with.
1114         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1115
1116         if (FAILED(hr))
1117         {
1118                 return false;
1119         }
1120
1121 // obtain an interface to the system mouse device.
1122         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1123
1124         if (FAILED(hr))
1125         {
1126                 Con_Print("Couldn't open DI mouse device\n");
1127                 return false;
1128         }
1129
1130 // set the data format to "mouse format".
1131         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1132
1133         if (FAILED(hr))
1134         {
1135                 Con_Print("Couldn't set DI mouse format\n");
1136                 return false;
1137         }
1138
1139 // set the cooperativity level.
1140         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1141                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1142
1143         if (FAILED(hr))
1144         {
1145                 Con_Print("Couldn't set DI coop level\n");
1146                 return false;
1147         }
1148
1149
1150 // set the buffer size to DINPUT_BUFFERSIZE elements.
1151 // the buffer size is a DWORD property associated with the device
1152         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1153
1154         if (FAILED(hr))
1155         {
1156                 Con_Print("Couldn't set DI buffersize\n");
1157                 return false;
1158         }
1159
1160         return true;
1161 }
1162
1163
1164 /*
1165 ===========
1166 IN_StartupMouse
1167 ===========
1168 */
1169 static void IN_StartupMouse (void)
1170 {
1171         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1172                 return;
1173
1174         mouseinitialized = true;
1175
1176 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1177         if (COM_CheckParm ("-dinput"))
1178                 dinput = IN_InitDInput ();
1179
1180         if (dinput)
1181                 Con_Print("DirectInput initialized\n");
1182         else
1183                 Con_Print("DirectInput not initialized\n");
1184
1185         mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1186
1187         if (mouseparmsvalid)
1188         {
1189 // COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (not used with -dinput, windows only)
1190                 if ( COM_CheckParm ("-noforcemspd") )
1191                         newmouseparms[2] = originalmouseparms[2];
1192
1193 // COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (not used with -dinput, windows only)
1194                 if ( COM_CheckParm ("-noforcemaccel") )
1195                 {
1196                         newmouseparms[0] = originalmouseparms[0];
1197                         newmouseparms[1] = originalmouseparms[1];
1198                 }
1199
1200 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1201                 if ( COM_CheckParm ("-noforcemparms") )
1202                 {
1203                         newmouseparms[0] = originalmouseparms[0];
1204                         newmouseparms[1] = originalmouseparms[1];
1205                         newmouseparms[2] = originalmouseparms[2];
1206                 }
1207         }
1208
1209         mouse_buttons = 10;
1210 }
1211
1212
1213 /*
1214 ===========
1215 IN_MouseMove
1216 ===========
1217 */
1218 static void IN_MouseMove (void)
1219 {
1220         int i, mx, my;
1221         POINT current_pos;
1222
1223         if (!vid_usingmouse)
1224         {
1225                 //GetCursorPos (&current_pos);
1226                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1227                 return;
1228         }
1229
1230         if (dinput_acquired)
1231         {
1232                 DIDEVICEOBJECTDATA      od;
1233                 DWORD                           dwElements;
1234                 HRESULT                         hr;
1235                 mx = 0;
1236                 my = 0;
1237
1238                 for (;;)
1239                 {
1240                         dwElements = 1;
1241
1242                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1243                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1244
1245                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1246                         {
1247                                 IDirectInputDevice_Acquire(g_pMouse);
1248                                 break;
1249                         }
1250
1251                         /* Unable to read data or no data available */
1252                         if (FAILED(hr) || dwElements == 0)
1253                                 break;
1254
1255                         /* Look at the element to see what happened */
1256
1257                         switch (od.dwOfs)
1258                         {
1259                                 case DIMOFS_X:
1260                                         mx += od.dwData;
1261                                         break;
1262
1263                                 case DIMOFS_Y:
1264                                         my += od.dwData;
1265                                         break;
1266
1267                                 case DIMOFS_BUTTON0:
1268                                         if (od.dwData & 0x80)
1269                                                 mstate_di |= 1;
1270                                         else
1271                                                 mstate_di &= ~1;
1272                                         break;
1273
1274                                 case DIMOFS_BUTTON1:
1275                                         if (od.dwData & 0x80)
1276                                                 mstate_di |= (1<<1);
1277                                         else
1278                                                 mstate_di &= ~(1<<1);
1279                                         break;
1280
1281                                 case DIMOFS_BUTTON2:
1282                                         if (od.dwData & 0x80)
1283                                                 mstate_di |= (1<<2);
1284                                         else
1285                                                 mstate_di &= ~(1<<2);
1286                                         break;
1287                         }
1288                 }
1289
1290                 // perform button actions
1291                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1292                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1293                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1294                 mouse_oldbuttonstate = mstate_di;
1295
1296                 in_mouse_x = mx;
1297                 in_mouse_y = my;
1298         }
1299         else
1300         {
1301                 GetCursorPos (&current_pos);
1302                 mx = current_pos.x - (window_x + vid.width / 2);
1303                 my = current_pos.y - (window_y + vid.height / 2);
1304
1305                 in_mouse_x = mx;
1306                 in_mouse_y = my;
1307
1308                 // if the mouse has moved, force it to the center, so there's room to move
1309                 if (!cl.csqc_wantsmousemove)
1310                 if (mx || my)
1311                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1312         }
1313 }
1314
1315
1316 /*
1317 ===========
1318 IN_Move
1319 ===========
1320 */
1321 void IN_Move (void)
1322 {
1323         if (vid_activewindow && !vid_hidden)
1324         {
1325                 IN_MouseMove ();
1326                 IN_JoyMove ();
1327         }
1328 }
1329
1330
1331 /*
1332 ===============
1333 IN_StartupJoystick
1334 ===============
1335 */
1336 static void IN_StartupJoystick (void)
1337 {
1338         int                     numdevs;
1339         JOYCAPS         jc;
1340         MMRESULT        mmr;
1341         mmr = 0;
1342
1343         // assume no joystick
1344         joy_avail = false;
1345
1346         // abort startup if user requests no joystick
1347 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1348         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1349                 return;
1350
1351         // verify joystick driver is present
1352         if ((numdevs = joyGetNumDevs ()) == 0)
1353         {
1354                 Con_Print("\njoystick not found -- driver not present\n\n");
1355                 return;
1356         }
1357
1358         // cycle through the joystick ids for the first valid one
1359         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1360         {
1361                 memset (&ji, 0, sizeof(ji));
1362                 ji.dwSize = sizeof(ji);
1363                 ji.dwFlags = JOY_RETURNCENTERED;
1364
1365                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1366                         break;
1367         }
1368
1369         // abort startup if we didn't find a valid joystick
1370         if (mmr != JOYERR_NOERROR)
1371         {
1372                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1373                 return;
1374         }
1375
1376         // get the capabilities of the selected joystick
1377         // abort startup if command fails
1378         memset (&jc, 0, sizeof(jc));
1379         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1380         {
1381                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1382                 return;
1383         }
1384
1385         // save the joystick's number of buttons and POV status
1386         joy_numbuttons = jc.wNumButtons;
1387         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1388
1389         // old button and POV states default to no buttons pressed
1390         joy_oldbuttonstate = joy_oldpovstate = 0;
1391
1392         // mark the joystick as available and advanced initialization not completed
1393         // this is needed as cvars are not available during initialization
1394
1395         joy_avail = true;
1396         joy_advancedinit = false;
1397
1398         Con_Print("\njoystick detected\n\n");
1399 }
1400
1401
1402 /*
1403 ===========
1404 RawValuePointer
1405 ===========
1406 */
1407 static PDWORD RawValuePointer (int axis)
1408 {
1409         switch (axis)
1410         {
1411         case JOY_AXIS_X:
1412                 return &ji.dwXpos;
1413         case JOY_AXIS_Y:
1414                 return &ji.dwYpos;
1415         case JOY_AXIS_Z:
1416                 return &ji.dwZpos;
1417         case JOY_AXIS_R:
1418                 return &ji.dwRpos;
1419         case JOY_AXIS_U:
1420                 return &ji.dwUpos;
1421         case JOY_AXIS_V:
1422                 return &ji.dwVpos;
1423         }
1424         return NULL; // LordHavoc: hush compiler warning
1425 }
1426
1427
1428 /*
1429 ===========
1430 Joy_AdvancedUpdate_f
1431 ===========
1432 */
1433 static void Joy_AdvancedUpdate_f (void)
1434 {
1435
1436         // called once by IN_ReadJoystick and by user whenever an update is needed
1437         // cvars are now available
1438         int     i;
1439         DWORD dwTemp;
1440
1441         // initialize all the maps
1442         for (i = 0; i < JOY_MAX_AXES; i++)
1443         {
1444                 dwAxisMap[i] = AxisNada;
1445                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1446                 pdwRawValue[i] = RawValuePointer(i);
1447         }
1448
1449         if( joy_advanced.integer == 0)
1450         {
1451                 // default joystick initialization
1452                 // 2 axes only with joystick control
1453                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1454                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1455                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1456                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1457         }
1458         else
1459         {
1460                 if (strcmp (joy_name.string, "joystick") != 0)
1461                 {
1462                         // notify user of advanced controller
1463                         Con_Printf("\n%s configured\n\n", joy_name.string);
1464                 }
1465
1466                 // advanced initialization here
1467                 // data supplied by user via joy_axisn cvars
1468                 dwTemp = (DWORD) joy_advaxisx.value;
1469                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1470                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1471                 dwTemp = (DWORD) joy_advaxisy.value;
1472                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1473                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1474                 dwTemp = (DWORD) joy_advaxisz.value;
1475                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1476                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1477                 dwTemp = (DWORD) joy_advaxisr.value;
1478                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1479                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1480                 dwTemp = (DWORD) joy_advaxisu.value;
1481                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1482                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1483                 dwTemp = (DWORD) joy_advaxisv.value;
1484                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1485                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1486         }
1487
1488         // compute the axes to collect from DirectInput
1489         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1490         for (i = 0; i < JOY_MAX_AXES; i++)
1491         {
1492                 if (dwAxisMap[i] != AxisNada)
1493                 {
1494                         joy_flags |= dwAxisFlags[i];
1495                 }
1496         }
1497 }
1498
1499 /*
1500 ===============
1501 IN_ReadJoystick
1502 ===============
1503 */
1504 static qboolean IN_ReadJoystick (void)
1505 {
1506
1507         memset (&ji, 0, sizeof(ji));
1508         ji.dwSize = sizeof(ji);
1509         ji.dwFlags = joy_flags;
1510
1511         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1512         {
1513                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1514                 // rather than having 32768 be the zero point, they have the zero point at 32668
1515                 // go figure -- anyway, now we get the full resolution out of the device
1516                 if (joy_wwhack1.integer != 0.0)
1517                 {
1518                         ji.dwUpos += 100;
1519                 }
1520                 return true;
1521         }
1522         else
1523         {
1524                 // read error occurred
1525                 // turning off the joystick seems too harsh for 1 read error,
1526                 // but what should be done?
1527                 return false;
1528         }
1529 }
1530
1531
1532 /*
1533 ===========
1534 IN_JoyMove
1535 ===========
1536 */
1537 static void IN_JoyMove (void)
1538 {
1539         float   speed, aspeed;
1540         float   fAxisValue, fTemp;
1541         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1542
1543         // complete initialization if first time in
1544         // this is needed as cvars are not available at initialization time
1545         if( joy_advancedinit != true )
1546         {
1547                 Joy_AdvancedUpdate_f();
1548                 joy_advancedinit = true;
1549         }
1550
1551         if (joy_avail)
1552         {
1553                 int             i, key_index;
1554                 DWORD   buttonstate, povstate;
1555
1556                 // loop through the joystick buttons
1557                 // key a joystick event or auxillary event for higher number buttons for each state change
1558                 buttonstate = ji.dwButtons;
1559                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1560                 {
1561                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1562                         {
1563                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1564                                 Key_Event (key_index + i, 0, true);
1565                         }
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, false);
1571                         }
1572                 }
1573                 joy_oldbuttonstate = buttonstate;
1574
1575                 if (joy_haspov)
1576                 {
1577                         // convert POV information into 4 bits of state information
1578                         // this avoids any potential problems related to moving from one
1579                         // direction to another without going through the center position
1580                         povstate = 0;
1581                         if(ji.dwPOV != JOY_POVCENTERED)
1582                         {
1583                                 if (ji.dwPOV == JOY_POVFORWARD)
1584                                         povstate |= 0x01;
1585                                 if (ji.dwPOV == JOY_POVRIGHT)
1586                                         povstate |= 0x02;
1587                                 if (ji.dwPOV == JOY_POVBACKWARD)
1588                                         povstate |= 0x04;
1589                                 if (ji.dwPOV == JOY_POVLEFT)
1590                                         povstate |= 0x08;
1591                         }
1592                         // determine which bits have changed and key an auxillary event for each change
1593                         for (i=0 ; i < 4 ; i++)
1594                         {
1595                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1596                                 {
1597                                         Key_Event (K_AUX29 + i, 0, true);
1598                                 }
1599
1600                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1601                                 {
1602                                         Key_Event (K_AUX29 + i, 0, false);
1603                                 }
1604                         }
1605                         joy_oldpovstate = povstate;
1606                 }
1607         }
1608
1609         // verify joystick is available and that the user wants to use it
1610         if (!joy_avail || !in_joystick.integer)
1611         {
1612                 return;
1613         }
1614
1615         // collect the joystick data, if possible
1616         if (IN_ReadJoystick () != true)
1617         {
1618                 return;
1619         }
1620
1621         if (in_speed.state & 1)
1622                 speed = cl_movespeedkey.value;
1623         else
1624                 speed = 1;
1625         // LordHavoc: viewzoom affects sensitivity for sniping
1626         aspeed = speed * host_realframetime * cl.viewzoom;
1627
1628         // loop through the axes
1629         for (i = 0; i < JOY_MAX_AXES; i++)
1630         {
1631                 // get the floating point zero-centered, potentially-inverted data for the current axis
1632                 fAxisValue = (float) *pdwRawValue[i];
1633                 // move centerpoint to zero
1634                 fAxisValue -= 32768.0;
1635
1636                 if (joy_wwhack2.integer != 0.0)
1637                 {
1638                         if (dwAxisMap[i] == AxisTurn)
1639                         {
1640                                 // this is a special formula for the Logitech WingMan Warrior
1641                                 // y=ax^b; where a = 300 and b = 1.3
1642                                 // also x values are in increments of 800 (so this is factored out)
1643                                 // then bounds check result to level out excessively high spin rates
1644                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1645                                 if (fTemp > 14000.0)
1646                                         fTemp = 14000.0;
1647                                 // restore direction information
1648                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1649                         }
1650                 }
1651
1652                 // convert range from -32768..32767 to -1..1
1653                 fAxisValue /= 32768.0;
1654
1655                 switch (dwAxisMap[i])
1656                 {
1657                 case AxisForward:
1658                         if ((joy_advanced.integer == 0) && mouselook)
1659                         {
1660                                 // user wants forward control to become look control
1661                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1662                                 {
1663                                         // if mouse invert is on, invert the joystick pitch value
1664                                         // only absolute control support here (joy_advanced is false)
1665                                         if (m_pitch.value < 0.0)
1666                                         {
1667                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1668                                         }
1669                                         else
1670                                         {
1671                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1672                                         }
1673                                         V_StopPitchDrift();
1674                                 }
1675                                 else
1676                                 {
1677                                         // no pitch movement
1678                                         // disable pitch return-to-center unless requested by user
1679                                         // *** this code can be removed when the lookspring bug is fixed
1680                                         // *** the bug always has the lookspring feature on
1681                                         if(lookspring.value == 0.0)
1682                                                 V_StopPitchDrift();
1683                                 }
1684                         }
1685                         else
1686                         {
1687                                 // user wants forward control to be forward control
1688                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1689                                 {
1690                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1691                                 }
1692                         }
1693                         break;
1694
1695                 case AxisSide:
1696                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1697                         {
1698                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1699                         }
1700                         break;
1701
1702                 case AxisTurn:
1703                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1704                         {
1705                                 // user wants turn control to become side control
1706                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1707                                 {
1708                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1709                                 }
1710                         }
1711                         else
1712                         {
1713                                 // user wants turn control to be turn control
1714                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1715                                 {
1716                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1717                                         {
1718                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1719                                         }
1720                                         else
1721                                         {
1722                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1723                                         }
1724
1725                                 }
1726                         }
1727                         break;
1728
1729                 case AxisLook:
1730                         if (mouselook)
1731                         {
1732                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1733                                 {
1734                                         // pitch movement detected and pitch movement desired by user
1735                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1736                                         {
1737                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1738                                         }
1739                                         else
1740                                         {
1741                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1742                                         }
1743                                         V_StopPitchDrift();
1744                                 }
1745                                 else
1746                                 {
1747                                         // no pitch movement
1748                                         // disable pitch return-to-center unless requested by user
1749                                         // *** this code can be removed when the lookspring bug is fixed
1750                                         // *** the bug always has the lookspring feature on
1751                                         if(lookspring.integer == 0)
1752                                                 V_StopPitchDrift();
1753                                 }
1754                         }
1755                         break;
1756
1757                 default:
1758                         break;
1759                 }
1760         }
1761 }
1762
1763 static void IN_Init(void)
1764 {
1765         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1766
1767         // joystick variables
1768         Cvar_RegisterVariable (&in_joystick);
1769         Cvar_RegisterVariable (&joy_name);
1770         Cvar_RegisterVariable (&joy_advanced);
1771         Cvar_RegisterVariable (&joy_advaxisx);
1772         Cvar_RegisterVariable (&joy_advaxisy);
1773         Cvar_RegisterVariable (&joy_advaxisz);
1774         Cvar_RegisterVariable (&joy_advaxisr);
1775         Cvar_RegisterVariable (&joy_advaxisu);
1776         Cvar_RegisterVariable (&joy_advaxisv);
1777         Cvar_RegisterVariable (&joy_forwardthreshold);
1778         Cvar_RegisterVariable (&joy_sidethreshold);
1779         Cvar_RegisterVariable (&joy_pitchthreshold);
1780         Cvar_RegisterVariable (&joy_yawthreshold);
1781         Cvar_RegisterVariable (&joy_forwardsensitivity);
1782         Cvar_RegisterVariable (&joy_sidesensitivity);
1783         Cvar_RegisterVariable (&joy_pitchsensitivity);
1784         Cvar_RegisterVariable (&joy_yawsensitivity);
1785         Cvar_RegisterVariable (&joy_wwhack1);
1786         Cvar_RegisterVariable (&joy_wwhack2);
1787         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1788 }
1789
1790 static void IN_Shutdown(void)
1791 {
1792         IN_Activate (false);
1793
1794         if (g_pMouse)
1795                 IDirectInputDevice_Release(g_pMouse);
1796         g_pMouse = NULL;
1797
1798         if (g_pdi)
1799                 IDirectInput_Release(g_pdi);
1800         g_pdi = NULL;
1801 }