Fixed some errors in the vid_vsync code.
[xonotic/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include <windows.h>
24 #include <dsound.h>
25 #include "resource.h"
26 #include <commctrl.h>
27
28 extern void S_BlockSound (void);
29 extern void S_UnblockSound (void);
30 extern HINSTANCE global_hInstance;
31
32
33 #ifndef WM_MOUSEWHEEL
34 #define WM_MOUSEWHEEL                   0x020A
35 #endif
36
37 // Tell startup code that we have a client
38 int cl_available = true;
39
40 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
41 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
42 //int (WINAPI *qwglGetPixelFormat)(HDC);
43 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
44 BOOL (WINAPI *qwglSwapBuffers)(HDC);
45 HGLRC (WINAPI *qwglCreateContext)(HDC);
46 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
47 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
48 HDC (WINAPI *qwglGetCurrentDC)(VOID);
49 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
50 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
51 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
52 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
53
54 static dllfunction_t wglfuncs[] =
55 {
56         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
57         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
58 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
59         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
60         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
61         {"wglCreateContext", (void **) &qwglCreateContext},
62         {"wglDeleteContext", (void **) &qwglDeleteContext},
63         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
64         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
65         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
66         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
67         {NULL, NULL}
68 };
69
70 static dllfunction_t wglswapintervalfuncs[] =
71 {
72         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
73         {NULL, NULL}
74 };
75
76 qboolean scr_skipupdate;
77
78 static DEVMODE gdevmode;
79 static qboolean vid_initialized = false;
80 static qboolean vid_wassuspended = false;
81 static int vid_usingmouse;
82 extern qboolean mouseactive;  // from in_win.c
83 static HICON hIcon;
84
85 HWND mainwindow;
86
87 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
88
89 static int vid_isfullscreen;
90
91 //void VID_MenuDraw (void);
92 //void VID_MenuKey (int key);
93
94 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
95 //void AppActivate(BOOL fActive, BOOL minimize);
96 //void ClearAllStates (void);
97 //void VID_UpdateWindowStatus (void);
98
99 //====================================
100
101 int window_x, window_y, window_width, window_height;
102 int window_center_x, window_center_y;
103
104 void IN_ShowMouse (void);
105 void IN_DeactivateMouse (void);
106 void IN_HideMouse (void);
107 void IN_ActivateMouse (void);
108 void IN_MouseEvent (int mstate);
109 void IN_UpdateClipCursor (void);
110
111 qboolean mouseinitialized;
112 static qboolean dinput;
113
114 // input code
115
116 #include <dinput.h>
117
118 #define DINPUT_BUFFERSIZE           16
119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
120
121 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
122         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
123
124 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
125 /* backslash :: imouse explorer buttons */
126 /* These are #ifdefed out for non-Win2K in the February 2001 version of
127    MS's platform SDK, but we need them for compilation. . . */
128 #ifndef WM_XBUTTONDOWN
129    #define WM_XBUTTONDOWN      0x020B
130    #define WM_XBUTTONUP      0x020C
131 #endif
132 #ifndef MK_XBUTTON1
133    #define MK_XBUTTON1         0x0020
134    #define MK_XBUTTON2         0x0040
135 // LordHavoc: lets hope this allows more buttons in the future...
136    #define MK_XBUTTON3         0x0080
137    #define MK_XBUTTON4         0x0100
138    #define MK_XBUTTON5         0x0200
139    #define MK_XBUTTON6         0x0400
140    #define MK_XBUTTON7         0x0800
141 #endif
142 /* :: backslash */
143
144 // mouse variables
145 int                     mouse_buttons;
146 int                     mouse_oldbuttonstate;
147 POINT           current_pos;
148 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
149
150 static qboolean restore_spi;
151 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
152
153 unsigned int uiWheelMessage;
154 qboolean        mouseactive;
155 //qboolean              mouseinitialized;
156 static qboolean mouseparmsvalid, mouseactivatetoggle;
157 static qboolean mouseshowtoggle = 1;
158 static qboolean dinput_acquired;
159
160 static unsigned int             mstate_di;
161
162 // joystick defines and variables
163 // where should defines be moved?
164 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
165 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
166 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
167 #define JOY_AXIS_X                      0
168 #define JOY_AXIS_Y                      1
169 #define JOY_AXIS_Z                      2
170 #define JOY_AXIS_R                      3
171 #define JOY_AXIS_U                      4
172 #define JOY_AXIS_V                      5
173
174 enum _ControlList
175 {
176         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
177 };
178
179 DWORD   dwAxisFlags[JOY_MAX_AXES] =
180 {
181         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
182 };
183
184 DWORD   dwAxisMap[JOY_MAX_AXES];
185 DWORD   dwControlMap[JOY_MAX_AXES];
186 PDWORD  pdwRawValue[JOY_MAX_AXES];
187
188 // none of these cvars are saved over a session
189 // this means that advanced controller configuration needs to be executed
190 // each time.  this avoids any problems with getting back to a default usage
191 // or when changing from one controller to another.  this way at least something
192 // works.
193 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
194 cvar_t  joy_name = {0, "joyname", "joystick"};
195 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
196 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
197 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
198 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
199 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
200 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
201 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
202 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
203 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
204 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
205 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
206 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
207 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
208 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
209 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
210 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
211 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
212
213 qboolean        joy_avail, joy_advancedinit, joy_haspov;
214 DWORD           joy_oldbuttonstate, joy_oldpovstate;
215
216 int                     joy_id;
217 DWORD           joy_flags;
218 DWORD           joy_numbuttons;
219
220 static LPDIRECTINPUT            g_pdi;
221 static LPDIRECTINPUTDEVICE      g_pMouse;
222
223 static JOYINFOEX        ji;
224
225 static HINSTANCE hInstDI;
226
227 //static qboolean       dinput;
228
229 typedef struct MYDATA {
230         LONG  lX;                   // X axis goes here
231         LONG  lY;                   // Y axis goes here
232         LONG  lZ;                   // Z axis goes here
233         BYTE  bButtonA;             // One button goes here
234         BYTE  bButtonB;             // Another button goes here
235         BYTE  bButtonC;             // Another button goes here
236         BYTE  bButtonD;             // Another button goes here
237 } MYDATA;
238
239 static DIOBJECTDATAFORMAT rgodf[] = {
240   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
241   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
242   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
243   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
244   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
245   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
246   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
247 };
248
249 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
250
251 static DIDATAFORMAT     df = {
252         sizeof(DIDATAFORMAT),       // this structure
253         sizeof(DIOBJECTDATAFORMAT), // size of object data format
254         DIDF_RELAXIS,               // absolute axis coordinates
255         sizeof(MYDATA),             // device data size
256         NUM_OBJECTS,                // number of objects
257         rgodf,                      // and here they are
258 };
259
260 // forward-referenced functions
261 void IN_StartupJoystick (void);
262 void Joy_AdvancedUpdate_f (void);
263 void IN_JoyMove (usercmd_t *cmd);
264 void IN_StartupMouse (void);
265
266 /*
267 ================
268 VID_UpdateWindowStatus
269 ================
270 */
271 void VID_UpdateWindowStatus (void)
272 {
273         window_center_x = window_x + window_width / 2;
274         window_center_y = window_y + window_height / 2;
275
276         if (mouseinitialized && mouseactive && !dinput)
277         {
278                 RECT window_rect;
279                 window_rect.left = window_x;
280                 window_rect.top = window_y;
281                 window_rect.right = window_x + window_width;
282                 window_rect.bottom = window_y + window_height;
283                 ClipCursor (&window_rect);
284         }
285 }
286
287
288 //====================================
289
290 /*
291 =================
292 VID_GetWindowSize
293 =================
294 */
295 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
296 {
297         *x = 0;
298         *y = 0;
299         *width = window_width;
300         *height = window_height;
301 }
302
303
304 void VID_Finish (void)
305 {
306         HDC hdc;
307         int vid_usemouse;
308         static int      old_vsync       = -1;
309
310         if (old_vsync != vid_vsync.integer)
311         {
312                 old_vsync = bound(0, vid_vsync.integer, 1);
313                 Cvar_SetValueQuick(&vid_vsync, old_vsync);
314                 if (gl_videosyncavailable)
315                         qwglSwapIntervalEXT (old_vsync);
316         }
317
318         if (r_render.integer && !scr_skipupdate)
319         {
320                 if (r_speeds.integer || gl_finish.integer)
321                         qglFinish();
322                 hdc = GetDC(mainwindow);
323                 SwapBuffers(hdc);
324                 ReleaseDC(mainwindow, hdc);
325         }
326
327 // handle the mouse state when windowed if that's changed
328         vid_usemouse = false;
329         if (vid_mouse.integer && !key_consoleactive)
330                 vid_usemouse = true;
331         if (vid_isfullscreen)
332                 vid_usemouse = true;
333         if (!vid_activewindow)
334                 vid_usemouse = false;
335         if (vid_usemouse)
336         {
337                 if (!vid_usingmouse)
338                 {
339                         vid_usingmouse = true;
340                         IN_ActivateMouse ();
341                         IN_HideMouse();
342                 }
343         }
344         else
345         {
346                 if (vid_usingmouse)
347                 {
348                         vid_usingmouse = false;
349                         IN_DeactivateMouse ();
350                         IN_ShowMouse();
351                 }
352         }
353 }
354
355 //==========================================================================
356
357
358
359
360 qbyte scantokey[128] =
361 {
362 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
363         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
364         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
365         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
366         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
367         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
368         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
369         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
370         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
371 };
372
373
374 /*
375 =======
376 MapKey
377
378 Map from windows to quake keynums
379 =======
380 */
381 int MapKey (int key, int virtualkey)
382 {
383         int result;
384         int modified = (key >> 16) & 255;
385         qboolean is_extended = false;
386
387         if (modified < 128 && scantokey[modified])
388                 result = scantokey[modified];
389         else
390         {
391                 result = 0;
392                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
393         }
394
395         if (key & (1 << 24))
396                 is_extended = true;
397
398         if ( !is_extended )
399         {
400                 switch ( result )
401                 {
402                 case K_HOME:
403                         return K_KP_HOME;
404                 case K_UPARROW:
405                         return K_KP_UPARROW;
406                 case K_PGUP:
407                         return K_KP_PGUP;
408                 case K_LEFTARROW:
409                         return K_KP_LEFTARROW;
410                 case K_RIGHTARROW:
411                         return K_KP_RIGHTARROW;
412                 case K_END:
413                         return K_KP_END;
414                 case K_DOWNARROW:
415                         return K_KP_DOWNARROW;
416                 case K_PGDN:
417                         return K_KP_PGDN;
418                 case K_INS:
419                         return K_KP_INS;
420                 case K_DEL:
421                         return K_KP_DEL;
422                 default:
423                         return result;
424                 }
425         }
426         else
427         {
428                 switch ( result )
429                 {
430                 case 0x0D:
431                         return K_KP_ENTER;
432                 case 0x2F:
433                         return K_KP_SLASH;
434                 case 0xAF:
435                         return K_KP_PLUS;
436                 }
437                 return result;
438         }
439 }
440
441 /*
442 ===================================================================
443
444 MAIN WINDOW
445
446 ===================================================================
447 */
448
449 /*
450 ================
451 ClearAllStates
452 ================
453 */
454 void ClearAllStates (void)
455 {
456         Key_ClearStates ();
457         IN_ClearStates ();
458 }
459
460 extern qboolean host_loopactive;
461
462 void AppActivate(BOOL fActive, BOOL minimize)
463 /****************************************************************************
464 *
465 * Function:     AppActivate
466 * Parameters:   fActive - True if app is activating
467 *
468 * Description:  If the application is activating, then swap the system
469 *               into SYSPAL_NOSTATIC mode so that our palettes will display
470 *               correctly.
471 *
472 ****************************************************************************/
473 {
474         static BOOL     sound_active;
475
476         vid_activewindow = fActive;
477         vid_hidden = minimize;
478
479 // enable/disable sound on focus gain/loss
480         if (!vid_activewindow && sound_active)
481         {
482                 S_BlockSound ();
483                 sound_active = false;
484         }
485         else if (vid_activewindow && !sound_active)
486         {
487                 S_UnblockSound ();
488                 sound_active = true;
489         }
490
491         if (fActive)
492         {
493                 if (vid_isfullscreen)
494                 {
495                         if (vid_wassuspended)
496                         {
497                                 vid_wassuspended = false;
498                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
499                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
500                         }
501
502                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
503                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
504                 }
505         }
506
507         if (!fActive)
508         {
509                 vid_usingmouse = false;
510                 IN_DeactivateMouse ();
511                 IN_ShowMouse ();
512                 if (vid_isfullscreen)
513                 {
514                         ChangeDisplaySettings (NULL, 0);
515                         vid_wassuspended = true;
516                 }
517                 VID_RestoreSystemGamma();
518         }
519 }
520
521 //TODO: move it around in vid_wgl.c since I dont think this is the right position
522 void Sys_SendKeyEvents (void)
523 {
524         MSG msg;
525
526         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
527         {
528         // we always update if there are any event, even if we're paused
529                 scr_skipupdate = 0;
530
531                 if (!GetMessage (&msg, NULL, 0, 0))
532                         Sys_Quit ();
533
534                 TranslateMessage (&msg);
535                 DispatchMessage (&msg);
536         }
537 }
538
539 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
540
541 /* main window procedure */
542 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
543 {
544         LONG    lRet = 1;
545         int             fActive, fMinimized, temp;
546         char    state[256];
547         char    asciichar[4];
548         int             vkey;
549         qboolean down = false;
550
551         extern unsigned int uiWheelMessage;
552
553         if ( uMsg == uiWheelMessage )
554                 uMsg = WM_MOUSEWHEEL;
555
556         switch (uMsg)
557         {
558                 case WM_KILLFOCUS:
559                         if (vid_isfullscreen)
560                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
561                         break;
562
563                 case WM_CREATE:
564                         break;
565
566                 case WM_MOVE:
567                         window_x = (int) LOWORD(lParam);
568                         window_y = (int) HIWORD(lParam);
569                         VID_UpdateWindowStatus ();
570                         break;
571         
572                 case WM_KEYDOWN:
573                 case WM_SYSKEYDOWN:
574                         down = true;
575                 case WM_KEYUP:
576                 case WM_SYSKEYUP:
577                         vkey = MapKey(lParam, wParam);
578                         GetKeyboardState (state);
579                         // alt/ctrl/shift tend to produce funky ToAscii values,
580                         // and if it's not a single character we don't know care about it
581                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
582                                 asciichar[0] = 0;
583                         Key_Event (vkey, asciichar[0], down);
584                         break;
585
586                 case WM_SYSCHAR:
587                 // keep Alt-Space from happening
588                         break;
589
590         // this is complicated because Win32 seems to pack multiple mouse events into
591         // one update sometimes, so we always check all states and look for events
592                 case WM_LBUTTONDOWN:
593                 case WM_LBUTTONUP:
594                 case WM_RBUTTONDOWN:
595                 case WM_RBUTTONUP:
596                 case WM_MBUTTONDOWN:
597                 case WM_MBUTTONUP:
598                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
599                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
600                 case WM_MOUSEMOVE:
601                         temp = 0;
602
603                         if (wParam & MK_LBUTTON)
604                                 temp |= 1;
605
606                         if (wParam & MK_RBUTTON)
607                                 temp |= 2;
608
609                         if (wParam & MK_MBUTTON)
610                                 temp |= 4;
611
612                         /* backslash :: imouse explorer buttons */
613                         if (wParam & MK_XBUTTON1)
614                                 temp |= 8;
615
616                         if (wParam & MK_XBUTTON2)
617                                 temp |= 16;
618                         /* :: backslash */
619
620                         // LordHavoc: lets hope this allows more buttons in the future...
621                         if (wParam & MK_XBUTTON3)
622                                 temp |= 32;
623                         if (wParam & MK_XBUTTON4)
624                                 temp |= 64;
625                         if (wParam & MK_XBUTTON5)
626                                 temp |= 128;
627                         if (wParam & MK_XBUTTON6)
628                                 temp |= 256;
629                         if (wParam & MK_XBUTTON7)
630                                 temp |= 512;
631
632                         IN_MouseEvent (temp);
633
634                         break;
635
636                 // JACK: This is the mouse wheel with the Intellimouse
637                 // Its delta is either positive or neg, and we generate the proper
638                 // Event.
639                 case WM_MOUSEWHEEL:
640                         if ((short) HIWORD(wParam) > 0) {
641                                 Key_Event(K_MWHEELUP, 0, true);
642                                 Key_Event(K_MWHEELUP, 0, false);
643                         } else {
644                                 Key_Event(K_MWHEELDOWN, 0, true);
645                                 Key_Event(K_MWHEELDOWN, 0, false);
646                         }
647                         break;
648
649                 case WM_SIZE:
650                         break;
651
652                 case WM_CLOSE:
653                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
654                                 Sys_Quit ();
655
656                         break;
657
658                 case WM_ACTIVATE:
659                         fActive = LOWORD(wParam);
660                         fMinimized = (BOOL) HIWORD(wParam);
661                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
662
663                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
664                         ClearAllStates ();
665
666                         break;
667
668                 //case WM_DESTROY:
669                 //      PostQuitMessage (0);
670                 //      break;
671
672                 case MM_MCINOTIFY:
673                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
674                         break;
675
676                 default:
677                         /* pass all unhandled messages to DefWindowProc */
678                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
679                 break;
680         }
681
682         /* return 1 if handled message, 0 if not */
683         return lRet;
684 }
685
686 int VID_SetGamma(unsigned short *ramps)
687 {
688         HDC hdc = GetDC (NULL);
689         int i = SetDeviceGammaRamp(hdc, ramps);
690         ReleaseDC (NULL, hdc);
691         return i; // return success or failure
692 }
693
694 int VID_GetGamma(unsigned short *ramps)
695 {
696         HDC hdc = GetDC (NULL);
697         int i = GetDeviceGammaRamp(hdc, ramps);
698         ReleaseDC (NULL, hdc);
699         return i; // return success or failure
700 }
701
702 static HINSTANCE gldll;
703
704 int GL_OpenLibrary(const char *name)
705 {
706         Con_Printf("Loading OpenGL driver %s\n", name);
707         GL_CloseLibrary();
708         if (!(gldll = LoadLibrary(name)))
709         {
710                 Con_Printf("Unable to LoadLibrary %s\n", name);
711                 return false;
712         }
713         strcpy(gl_driver, name);
714         return true;
715 }
716
717 void GL_CloseLibrary(void)
718 {
719         FreeLibrary(gldll);
720         gldll = 0;
721         gl_driver[0] = 0;
722         qwglGetProcAddress = NULL;
723         gl_extensions = "";
724         gl_platform = "";
725         gl_platformextensions = "";
726 }
727
728 void *GL_GetProcAddress(const char *name)
729 {
730         void *p = NULL;
731         if (qwglGetProcAddress != NULL)
732                 p = (void *) qwglGetProcAddress(name);
733         if (p == NULL)
734                 p = (void *) GetProcAddress(gldll, name);
735         return p;
736 }
737
738 static void IN_Init(void);
739 void VID_Init(void)
740 {
741         WNDCLASS wc;
742
743         InitCommonControls();
744         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
745
746         // Register the frame class
747         wc.style         = 0;
748         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
749         wc.cbClsExtra    = 0;
750         wc.cbWndExtra    = 0;
751         wc.hInstance     = global_hInstance;
752         wc.hIcon         = hIcon;
753         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
754         wc.hbrBackground = NULL;
755         wc.lpszMenuName  = 0;
756         wc.lpszClassName = "DarkPlacesWindowClass";
757
758         if (!RegisterClass (&wc))
759                 Sys_Error("Couldn't register window class\n");
760
761         IN_Init();
762 }
763
764 int VID_InitMode (int fullscreen, int width, int height, int bpp)
765 {
766         int i;
767         HDC hdc;
768         RECT rect;
769         MSG msg;
770         PIXELFORMATDESCRIPTOR pfd =
771         {
772                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
773                 1,                              // version number
774                 PFD_DRAW_TO_WINDOW              // support window
775                 |  PFD_SUPPORT_OPENGL   // support OpenGL
776                 |  PFD_DOUBLEBUFFER ,   // double buffered
777                 PFD_TYPE_RGBA,                  // RGBA type
778                 24,                             // 24-bit color depth
779                 0, 0, 0, 0, 0, 0,               // color bits ignored
780                 0,                              // no alpha buffer
781                 0,                              // shift bit ignored
782                 0,                              // no accumulation buffer
783                 0, 0, 0, 0,                     // accum bits ignored
784                 32,                             // 32-bit z-buffer
785                 0,                              // no stencil buffer
786                 0,                              // no auxiliary buffer
787                 PFD_MAIN_PLANE,                 // main layer
788                 0,                              // reserved
789                 0, 0, 0                         // layer masks ignored
790         };
791         int pixelformat;
792         DWORD WindowStyle, ExWindowStyle;
793         HGLRC baseRC;
794         int CenterX, CenterY;
795         const char *gldrivername;
796         int depth;
797
798         if (vid_initialized)
799                 Sys_Error("VID_InitMode called when video is already initialised\n");
800
801         // if stencil is enabled, ask for alpha too
802         if (bpp >= 32)
803         {
804                 pfd.cStencilBits = 8;
805                 pfd.cAlphaBits = 8;
806         }
807         else
808         {
809                 pfd.cStencilBits = 0;
810                 pfd.cAlphaBits = 0;
811         }
812
813         gldrivername = "opengl32.dll";
814         i = COM_CheckParm("-gl_driver");
815         if (i && i < com_argc - 1)
816                 gldrivername = com_argv[i + 1];
817         if (!GL_OpenLibrary(gldrivername))
818         {
819                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
820                 return false;
821         }
822
823         memset(&gdevmode, 0, sizeof(gdevmode));
824
825         vid_isfullscreen = false;
826         if (fullscreen)
827         {
828                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
829                 gdevmode.dmBitsPerPel = bpp;
830                 gdevmode.dmPelsWidth = width;
831                 gdevmode.dmPelsHeight = height;
832                 gdevmode.dmSize = sizeof (gdevmode);
833                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
834                 {
835                         VID_Shutdown();
836                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
837                         return false;
838                 }
839
840                 vid_isfullscreen = true;
841                 WindowStyle = WS_POPUP;
842                 ExWindowStyle = WS_EX_TOPMOST;
843         }
844         else
845         {
846                 hdc = GetDC (NULL);
847                 i = GetDeviceCaps(hdc, RASTERCAPS);
848                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
849                 ReleaseDC (NULL, hdc);
850                 if (i & RC_PALETTE)
851                 {
852                         VID_Shutdown();
853                         Con_Print("Can't run in non-RGB mode\n");
854                         return false;
855                 }
856                 if (bpp > depth)
857                 {
858                         VID_Shutdown();
859                         Con_Print("A higher desktop depth is required to run this video mode\n");
860                         return false;
861                 }
862
863                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
864                 ExWindowStyle = 0;
865         }
866
867         rect.top = 0;
868         rect.left = 0;
869         rect.right = width;
870         rect.bottom = height;
871         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
872
873         if (fullscreen)
874         {
875                 CenterX = 0;
876                 CenterY = 0;
877         }
878         else
879         {
880                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
881                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
882         }
883         CenterX = max(0, CenterX);
884         CenterY = max(0, CenterY);
885
886         // x and y may be changed by WM_MOVE messages
887         window_x = CenterX;
888         window_y = CenterY;
889         window_width = width;
890         window_height = height;
891         rect.left += CenterX;
892         rect.right += CenterX;
893         rect.top += CenterY;
894         rect.bottom += CenterY;
895
896         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
897         if (!mainwindow)
898         {
899                 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);
900                 VID_Shutdown();
901                 return false;
902         }
903
904         /*
905         if (!fullscreen)
906                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
907         */
908
909         ShowWindow (mainwindow, SW_SHOWDEFAULT);
910         UpdateWindow (mainwindow);
911
912         VID_UpdateWindowStatus ();
913
914         // now we try to make sure we get the focus on the mode switch, because
915         // sometimes in some systems we don't.  We grab the foreground, then
916         // finish setting up, pump all our messages, and sleep for a little while
917         // to let messages finish bouncing around the system, then we put
918         // ourselves at the top of the z order, then grab the foreground again,
919         // Who knows if it helps, but it probably doesn't hurt
920         SetForegroundWindow (mainwindow);
921
922         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
923         {
924                 TranslateMessage (&msg);
925                 DispatchMessage (&msg);
926         }
927
928         Sleep (100);
929
930         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
931
932         SetForegroundWindow (mainwindow);
933
934         // fix the leftover Alt from any Alt-Tab or the like that switched us away
935         ClearAllStates ();
936
937         hdc = GetDC(mainwindow);
938
939         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
940         {
941                 VID_Shutdown();
942                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
943                 return false;
944         }
945
946         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
947         {
948                 VID_Shutdown();
949                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
950                 return false;
951         }
952
953         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
954         {
955                 VID_Shutdown();
956                 Con_Print("wgl functions not found\n");
957                 return false;
958         }
959
960         baseRC = qwglCreateContext(hdc);
961         if (!baseRC)
962         {
963                 VID_Shutdown();
964                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
965                 return false;
966         }
967         if (!qwglMakeCurrent(hdc, baseRC))
968         {
969                 VID_Shutdown();
970                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
971                 return false;
972         }
973
974         qglGetString = GL_GetProcAddress("glGetString");
975         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
976         if (qglGetString == NULL)
977         {
978                 VID_Shutdown();
979                 Con_Print("glGetString not found\n");
980                 return false;
981         }
982         gl_renderer = qglGetString(GL_RENDERER);
983         gl_vendor = qglGetString(GL_VENDOR);
984         gl_version = qglGetString(GL_VERSION);
985         gl_extensions = qglGetString(GL_EXTENSIONS);
986         gl_platform = "WGL";
987         gl_platformextensions = "";
988
989         gl_videosyncavailable = false;
990
991         if (qwglGetExtensionsStringARB)
992                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
993
994         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
995         ReleaseDC(mainwindow, hdc);
996
997         GL_Init ();
998
999         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1000         if (strncasecmp(gl_vendor,"ATI",3)==0)
1001         {
1002                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1003                         isRagePro = true;
1004         }
1005         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1006                 isG200 = true;
1007
1008         //vid_menudrawfn = VID_MenuDraw;
1009         //vid_menukeyfn = VID_MenuKey;
1010         vid_hidden = false;
1011         vid_initialized = true;
1012
1013         IN_StartupMouse ();
1014         IN_StartupJoystick ();
1015
1016         return true;
1017 }
1018
1019 static void IN_Shutdown(void);
1020 void VID_Shutdown (void)
1021 {
1022         HGLRC hRC = 0;
1023         HDC hDC = 0;
1024
1025         if(vid_initialized == false)
1026                 return;
1027
1028         VID_RestoreSystemGamma();
1029
1030         vid_initialized = false;
1031         IN_Shutdown();
1032         if (qwglGetCurrentContext)
1033                 hRC = qwglGetCurrentContext();
1034         if (qwglGetCurrentDC)
1035                 hDC = qwglGetCurrentDC();
1036         if (qwglMakeCurrent)
1037                 qwglMakeCurrent(NULL, NULL);
1038         if (hRC && qwglDeleteContext)
1039                 qwglDeleteContext(hRC);
1040         // close the library before we get rid of the window
1041         GL_CloseLibrary();
1042         if (hDC && mainwindow)
1043                 ReleaseDC(mainwindow, hDC);
1044         AppActivate(false, false);
1045         if (mainwindow)
1046                 DestroyWindow(mainwindow);
1047         mainwindow = 0;
1048         if (vid_isfullscreen)
1049                 ChangeDisplaySettings (NULL, 0);
1050         vid_isfullscreen = false;
1051 }
1052
1053
1054 /*
1055 ===========
1056 IN_ShowMouse
1057 ===========
1058 */
1059 void IN_ShowMouse (void)
1060 {
1061         if (!mouseshowtoggle)
1062         {
1063                 ShowCursor (true);
1064                 mouseshowtoggle = 1;
1065         }
1066 }
1067
1068
1069 /*
1070 ===========
1071 IN_HideMouse
1072 ===========
1073 */
1074 void IN_HideMouse (void)
1075 {
1076         if (mouseshowtoggle)
1077         {
1078                 ShowCursor (false);
1079                 mouseshowtoggle = 0;
1080         }
1081 }
1082
1083
1084 /*
1085 ===========
1086 IN_ActivateMouse
1087 ===========
1088 */
1089 void IN_ActivateMouse (void)
1090 {
1091
1092         mouseactivatetoggle = true;
1093
1094         if (mouseinitialized)
1095         {
1096                 if (dinput)
1097                 {
1098                         if (g_pMouse)
1099                         {
1100                                 if (!dinput_acquired)
1101                                 {
1102                                         IDirectInputDevice_Acquire(g_pMouse);
1103                                         dinput_acquired = true;
1104                                 }
1105                         }
1106                         else
1107                         {
1108                                 return;
1109                         }
1110                 }
1111                 else
1112                 {
1113                         RECT window_rect;
1114                         window_rect.left = window_x;
1115                         window_rect.top = window_y;
1116                         window_rect.right = window_x + window_width;
1117                         window_rect.bottom = window_y + window_height;
1118
1119                         if (mouseparmsvalid)
1120                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1121
1122                         SetCursorPos (window_center_x, window_center_y);
1123                         SetCapture (mainwindow);
1124                         ClipCursor (&window_rect);
1125                 }
1126
1127                 mouseactive = true;
1128         }
1129 }
1130
1131
1132 /*
1133 ===========
1134 IN_DeactivateMouse
1135 ===========
1136 */
1137 void IN_DeactivateMouse (void)
1138 {
1139
1140         mouseactivatetoggle = false;
1141
1142         if (mouseinitialized)
1143         {
1144                 if (dinput)
1145                 {
1146                         if (g_pMouse)
1147                         {
1148                                 if (dinput_acquired)
1149                                 {
1150                                         IDirectInputDevice_Unacquire(g_pMouse);
1151                                         dinput_acquired = false;
1152                                 }
1153                         }
1154                 }
1155                 else
1156                 {
1157                         if (restore_spi)
1158                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1159
1160                         ClipCursor (NULL);
1161                         ReleaseCapture ();
1162                 }
1163
1164                 mouseactive = false;
1165         }
1166 }
1167
1168
1169 /*
1170 ===========
1171 IN_InitDInput
1172 ===========
1173 */
1174 qboolean IN_InitDInput (void)
1175 {
1176     HRESULT             hr;
1177         DIPROPDWORD     dipdw = {
1178                 {
1179                         sizeof(DIPROPDWORD),        // diph.dwSize
1180                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1181                         0,                          // diph.dwObj
1182                         DIPH_DEVICE,                // diph.dwHow
1183                 },
1184                 DINPUT_BUFFERSIZE,              // dwData
1185         };
1186
1187         if (!hInstDI)
1188         {
1189                 hInstDI = LoadLibrary("dinput.dll");
1190
1191                 if (hInstDI == NULL)
1192                 {
1193                         Con_SafePrint("Couldn't load dinput.dll\n");
1194                         return false;
1195                 }
1196         }
1197
1198         if (!pDirectInputCreate)
1199         {
1200                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1201
1202                 if (!pDirectInputCreate)
1203                 {
1204                         Con_SafePrint("Couldn't get DI proc addr\n");
1205                         return false;
1206                 }
1207         }
1208
1209 // register with DirectInput and get an IDirectInput to play with.
1210         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1211
1212         if (FAILED(hr))
1213         {
1214                 return false;
1215         }
1216
1217 // obtain an interface to the system mouse device.
1218         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1219
1220         if (FAILED(hr))
1221         {
1222                 Con_SafePrint("Couldn't open DI mouse device\n");
1223                 return false;
1224         }
1225
1226 // set the data format to "mouse format".
1227         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1228
1229         if (FAILED(hr))
1230         {
1231                 Con_SafePrint("Couldn't set DI mouse format\n");
1232                 return false;
1233         }
1234
1235 // set the cooperativity level.
1236         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1237                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1238
1239         if (FAILED(hr))
1240         {
1241                 Con_SafePrint("Couldn't set DI coop level\n");
1242                 return false;
1243         }
1244
1245
1246 // set the buffer size to DINPUT_BUFFERSIZE elements.
1247 // the buffer size is a DWORD property associated with the device
1248         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1249
1250         if (FAILED(hr))
1251         {
1252                 Con_SafePrint("Couldn't set DI buffersize\n");
1253                 return false;
1254         }
1255
1256         return true;
1257 }
1258
1259
1260 /*
1261 ===========
1262 IN_StartupMouse
1263 ===========
1264 */
1265 void IN_StartupMouse (void)
1266 {
1267         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1268                 return;
1269
1270         mouseinitialized = true;
1271
1272         if (COM_CheckParm ("-dinput"))
1273         {
1274                 dinput = IN_InitDInput ();
1275
1276                 if (dinput)
1277                 {
1278                         Con_SafePrint("DirectInput initialized\n");
1279                 }
1280                 else
1281                 {
1282                         Con_SafePrint("DirectInput not initialized\n");
1283                 }
1284         }
1285
1286         if (!dinput)
1287         {
1288                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1289
1290                 if (mouseparmsvalid)
1291                 {
1292                         if ( COM_CheckParm ("-noforcemspd") )
1293                                 newmouseparms[2] = originalmouseparms[2];
1294
1295                         if ( COM_CheckParm ("-noforcemaccel") )
1296                         {
1297                                 newmouseparms[0] = originalmouseparms[0];
1298                                 newmouseparms[1] = originalmouseparms[1];
1299                         }
1300
1301                         if ( COM_CheckParm ("-noforcemparms") )
1302                         {
1303                                 newmouseparms[0] = originalmouseparms[0];
1304                                 newmouseparms[1] = originalmouseparms[1];
1305                                 newmouseparms[2] = originalmouseparms[2];
1306                         }
1307                 }
1308         }
1309
1310         mouse_buttons = 10;
1311
1312 // if a fullscreen video mode was set before the mouse was initialized,
1313 // set the mouse state appropriately
1314         if (mouseactivatetoggle)
1315                 IN_ActivateMouse ();
1316 }
1317
1318
1319 /*
1320 ===========
1321 IN_MouseEvent
1322 ===========
1323 */
1324 void IN_MouseEvent (int mstate)
1325 {
1326         int     i;
1327
1328         if (mouseactive && !dinput)
1329         {
1330         // perform button actions
1331                 for (i=0 ; i<mouse_buttons ; i++)
1332                 {
1333                         if ( (mstate & (1<<i)) &&
1334                                 !(mouse_oldbuttonstate & (1<<i)) )
1335                         {
1336                                 Key_Event (K_MOUSE1 + i, 0, true);
1337                         }
1338
1339                         if ( !(mstate & (1<<i)) &&
1340                                 (mouse_oldbuttonstate & (1<<i)) )
1341                         {
1342                                 Key_Event (K_MOUSE1 + i, 0, false);
1343                         }
1344                 }
1345
1346                 mouse_oldbuttonstate = mstate;
1347         }
1348 }
1349
1350
1351 /*
1352 ===========
1353 IN_MouseMove
1354 ===========
1355 */
1356 void IN_MouseMove (usercmd_t *cmd)
1357 {
1358         int                                     i, mx, my;
1359         DIDEVICEOBJECTDATA      od;
1360         DWORD                           dwElements;
1361         HRESULT                         hr;
1362
1363         if (!mouseactive)
1364         {
1365                 GetCursorPos (&current_pos);
1366                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1367                 IN_Mouse( cmd, 0, 0 );
1368                 return;
1369         }
1370
1371         if (dinput)
1372         {
1373                 mx = 0;
1374                 my = 0;
1375
1376                 for (;;)
1377                 {
1378                         dwElements = 1;
1379
1380                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1381                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1382
1383                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1384                         {
1385                                 dinput_acquired = true;
1386                                 IDirectInputDevice_Acquire(g_pMouse);
1387                                 break;
1388                         }
1389
1390                         /* Unable to read data or no data available */
1391                         if (FAILED(hr) || dwElements == 0)
1392                                 break;
1393
1394                         /* Look at the element to see what happened */
1395
1396                         switch (od.dwOfs)
1397                         {
1398                                 case DIMOFS_X:
1399                                         mx += od.dwData;
1400                                         break;
1401
1402                                 case DIMOFS_Y:
1403                                         my += od.dwData;
1404                                         break;
1405
1406                                 case DIMOFS_BUTTON0:
1407                                         if (od.dwData & 0x80)
1408                                                 mstate_di |= 1;
1409                                         else
1410                                                 mstate_di &= ~1;
1411                                         break;
1412
1413                                 case DIMOFS_BUTTON1:
1414                                         if (od.dwData & 0x80)
1415                                                 mstate_di |= (1<<1);
1416                                         else
1417                                                 mstate_di &= ~(1<<1);
1418                                         break;
1419
1420                                 case DIMOFS_BUTTON2:
1421                                         if (od.dwData & 0x80)
1422                                                 mstate_di |= (1<<2);
1423                                         else
1424                                                 mstate_di &= ~(1<<2);
1425                                         break;
1426                         }
1427                 }
1428
1429         // perform button actions
1430                 for (i=0 ; i<mouse_buttons ; i++)
1431                 {
1432                         if ( (mstate_di & (1<<i)) &&
1433                                 !(mouse_oldbuttonstate & (1<<i)) )
1434                         {
1435                                 Key_Event (K_MOUSE1 + i, 0, true);
1436                         }
1437
1438                         if ( !(mstate_di & (1<<i)) &&
1439                                 (mouse_oldbuttonstate & (1<<i)) )
1440                         {
1441                                 Key_Event (K_MOUSE1 + i, 0, false);
1442                         }
1443                 }
1444
1445                 mouse_oldbuttonstate = mstate_di;
1446         }
1447         else
1448         {
1449                 GetCursorPos (&current_pos);
1450                 mx = current_pos.x - window_center_x + mx_accum;
1451                 my = current_pos.y - window_center_y + my_accum;
1452                 mx_accum = 0;
1453                 my_accum = 0;
1454         }
1455
1456         IN_Mouse(cmd, mx, my);
1457
1458         // if the mouse has moved, force it to the center, so there's room to move
1459         if (!dinput && (mx || my))
1460                 SetCursorPos (window_center_x, window_center_y);
1461 }
1462
1463
1464 /*
1465 ===========
1466 IN_Move
1467 ===========
1468 */
1469 void IN_Move (usercmd_t *cmd)
1470 {
1471         if (vid_activewindow && !vid_hidden)
1472         {
1473                 IN_MouseMove (cmd);
1474                 IN_JoyMove (cmd);
1475         }
1476 }
1477
1478
1479 /*
1480 ===========
1481 IN_Accumulate
1482 ===========
1483 */
1484 void IN_Accumulate (void)
1485 {
1486         if (mouseactive)
1487         {
1488                 if (!dinput)
1489                 {
1490                         GetCursorPos (&current_pos);
1491
1492                         mx_accum += current_pos.x - window_center_x;
1493                         my_accum += current_pos.y - window_center_y;
1494
1495                 // force the mouse to the center, so there's room to move
1496                         SetCursorPos (window_center_x, window_center_y);
1497                 }
1498         }
1499 }
1500
1501
1502 /*
1503 ===================
1504 IN_ClearStates
1505 ===================
1506 */
1507 void IN_ClearStates (void)
1508 {
1509         if (mouseactive)
1510         {
1511                 mx_accum = 0;
1512                 my_accum = 0;
1513                 mouse_oldbuttonstate = 0;
1514         }
1515 }
1516
1517
1518 /*
1519 ===============
1520 IN_StartupJoystick
1521 ===============
1522 */
1523 void IN_StartupJoystick (void)
1524 {
1525         int                     numdevs;
1526         JOYCAPS         jc;
1527         MMRESULT        mmr;
1528         mmr = 0;
1529
1530         // assume no joystick
1531         joy_avail = false;
1532
1533         // abort startup if user requests no joystick
1534         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1535                 return;
1536
1537         // verify joystick driver is present
1538         if ((numdevs = joyGetNumDevs ()) == 0)
1539         {
1540                 Con_Print("\njoystick not found -- driver not present\n\n");
1541                 return;
1542         }
1543
1544         // cycle through the joystick ids for the first valid one
1545         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1546         {
1547                 memset (&ji, 0, sizeof(ji));
1548                 ji.dwSize = sizeof(ji);
1549                 ji.dwFlags = JOY_RETURNCENTERED;
1550
1551                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1552                         break;
1553         }
1554
1555         // abort startup if we didn't find a valid joystick
1556         if (mmr != JOYERR_NOERROR)
1557         {
1558                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1559                 return;
1560         }
1561
1562         // get the capabilities of the selected joystick
1563         // abort startup if command fails
1564         memset (&jc, 0, sizeof(jc));
1565         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1566         {
1567                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1568                 return;
1569         }
1570
1571         // save the joystick's number of buttons and POV status
1572         joy_numbuttons = jc.wNumButtons;
1573         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1574
1575         // old button and POV states default to no buttons pressed
1576         joy_oldbuttonstate = joy_oldpovstate = 0;
1577
1578         // mark the joystick as available and advanced initialization not completed
1579         // this is needed as cvars are not available during initialization
1580
1581         joy_avail = true;
1582         joy_advancedinit = false;
1583
1584         Con_Print("\njoystick detected\n\n");
1585 }
1586
1587
1588 /*
1589 ===========
1590 RawValuePointer
1591 ===========
1592 */
1593 PDWORD RawValuePointer (int axis)
1594 {
1595         switch (axis)
1596         {
1597         case JOY_AXIS_X:
1598                 return &ji.dwXpos;
1599         case JOY_AXIS_Y:
1600                 return &ji.dwYpos;
1601         case JOY_AXIS_Z:
1602                 return &ji.dwZpos;
1603         case JOY_AXIS_R:
1604                 return &ji.dwRpos;
1605         case JOY_AXIS_U:
1606                 return &ji.dwUpos;
1607         case JOY_AXIS_V:
1608                 return &ji.dwVpos;
1609         }
1610         return NULL; // LordHavoc: hush compiler warning
1611 }
1612
1613
1614 /*
1615 ===========
1616 Joy_AdvancedUpdate_f
1617 ===========
1618 */
1619 void Joy_AdvancedUpdate_f (void)
1620 {
1621
1622         // called once by IN_ReadJoystick and by user whenever an update is needed
1623         // cvars are now available
1624         int     i;
1625         DWORD dwTemp;
1626
1627         // initialize all the maps
1628         for (i = 0; i < JOY_MAX_AXES; i++)
1629         {
1630                 dwAxisMap[i] = AxisNada;
1631                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1632                 pdwRawValue[i] = RawValuePointer(i);
1633         }
1634
1635         if( joy_advanced.integer == 0)
1636         {
1637                 // default joystick initialization
1638                 // 2 axes only with joystick control
1639                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1640                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1641                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1642                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1643         }
1644         else
1645         {
1646                 if (strcmp (joy_name.string, "joystick") != 0)
1647                 {
1648                         // notify user of advanced controller
1649                         Con_Printf("\n%s configured\n\n", joy_name.string);
1650                 }
1651
1652                 // advanced initialization here
1653                 // data supplied by user via joy_axisn cvars
1654                 dwTemp = (DWORD) joy_advaxisx.value;
1655                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1656                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1657                 dwTemp = (DWORD) joy_advaxisy.value;
1658                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1659                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1660                 dwTemp = (DWORD) joy_advaxisz.value;
1661                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1662                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1663                 dwTemp = (DWORD) joy_advaxisr.value;
1664                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1665                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1666                 dwTemp = (DWORD) joy_advaxisu.value;
1667                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1668                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1669                 dwTemp = (DWORD) joy_advaxisv.value;
1670                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1671                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1672         }
1673
1674         // compute the axes to collect from DirectInput
1675         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1676         for (i = 0; i < JOY_MAX_AXES; i++)
1677         {
1678                 if (dwAxisMap[i] != AxisNada)
1679                 {
1680                         joy_flags |= dwAxisFlags[i];
1681                 }
1682         }
1683 }
1684
1685 /*
1686 ===========
1687 IN_Commands
1688 ===========
1689 */
1690 void IN_Commands (void)
1691 {
1692         int             i, key_index;
1693         DWORD   buttonstate, povstate;
1694
1695         if (!joy_avail)
1696         {
1697                 return;
1698         }
1699
1700
1701         // loop through the joystick buttons
1702         // key a joystick event or auxillary event for higher number buttons for each state change
1703         buttonstate = ji.dwButtons;
1704         for (i=0 ; i < (int) joy_numbuttons ; i++)
1705         {
1706                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1707                 {
1708                         key_index = (i < 16) ? K_JOY1 : K_AUX1;
1709                         Key_Event (key_index + i, 0, true);
1710                 }
1711
1712                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1713                 {
1714                         key_index = (i < 16) ? K_JOY1 : K_AUX1;
1715                         Key_Event (key_index + i, 0, false);
1716                 }
1717         }
1718         joy_oldbuttonstate = buttonstate;
1719
1720         if (joy_haspov)
1721         {
1722                 // convert POV information into 4 bits of state information
1723                 // this avoids any potential problems related to moving from one
1724                 // direction to another without going through the center position
1725                 povstate = 0;
1726                 if(ji.dwPOV != JOY_POVCENTERED)
1727                 {
1728                         if (ji.dwPOV == JOY_POVFORWARD)
1729                                 povstate |= 0x01;
1730                         if (ji.dwPOV == JOY_POVRIGHT)
1731                                 povstate |= 0x02;
1732                         if (ji.dwPOV == JOY_POVBACKWARD)
1733                                 povstate |= 0x04;
1734                         if (ji.dwPOV == JOY_POVLEFT)
1735                                 povstate |= 0x08;
1736                 }
1737                 // determine which bits have changed and key an auxillary event for each change
1738                 for (i=0 ; i < 4 ; i++)
1739                 {
1740                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1741                         {
1742                                 Key_Event (K_AUX29 + i, 0, true);
1743                         }
1744
1745                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1746                         {
1747                                 Key_Event (K_AUX29 + i, 0, false);
1748                         }
1749                 }
1750                 joy_oldpovstate = povstate;
1751         }
1752 }
1753
1754
1755 /*
1756 ===============
1757 IN_ReadJoystick
1758 ===============
1759 */
1760 qboolean IN_ReadJoystick (void)
1761 {
1762
1763         memset (&ji, 0, sizeof(ji));
1764         ji.dwSize = sizeof(ji);
1765         ji.dwFlags = joy_flags;
1766
1767         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1768         {
1769                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1770                 // rather than having 32768 be the zero point, they have the zero point at 32668
1771                 // go figure -- anyway, now we get the full resolution out of the device
1772                 if (joy_wwhack1.integer != 0.0)
1773                 {
1774                         ji.dwUpos += 100;
1775                 }
1776                 return true;
1777         }
1778         else
1779         {
1780                 // read error occurred
1781                 // turning off the joystick seems too harsh for 1 read error,
1782                 // but what should be done?
1783                 return false;
1784         }
1785 }
1786
1787
1788 /*
1789 ===========
1790 IN_JoyMove
1791 ===========
1792 */
1793 void IN_JoyMove (usercmd_t *cmd)
1794 {
1795         float   speed, aspeed;
1796         float   fAxisValue, fTemp;
1797         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1798
1799         // complete initialization if first time in
1800         // this is needed as cvars are not available at initialization time
1801         if( joy_advancedinit != true )
1802         {
1803                 Joy_AdvancedUpdate_f();
1804                 joy_advancedinit = true;
1805         }
1806
1807         // verify joystick is available and that the user wants to use it
1808         if (!joy_avail || !in_joystick.integer)
1809         {
1810                 return;
1811         }
1812
1813         // collect the joystick data, if possible
1814         if (IN_ReadJoystick () != true)
1815         {
1816                 return;
1817         }
1818
1819         if (in_speed.state & 1)
1820                 speed = cl_movespeedkey.value;
1821         else
1822                 speed = 1;
1823         // LordHavoc: viewzoom affects sensitivity for sniping
1824         aspeed = speed * host_realframetime * cl.viewzoom;
1825
1826         // loop through the axes
1827         for (i = 0; i < JOY_MAX_AXES; i++)
1828         {
1829                 // get the floating point zero-centered, potentially-inverted data for the current axis
1830                 fAxisValue = (float) *pdwRawValue[i];
1831                 // move centerpoint to zero
1832                 fAxisValue -= 32768.0;
1833
1834                 if (joy_wwhack2.integer != 0.0)
1835                 {
1836                         if (dwAxisMap[i] == AxisTurn)
1837                         {
1838                                 // this is a special formula for the Logitech WingMan Warrior
1839                                 // y=ax^b; where a = 300 and b = 1.3
1840                                 // also x values are in increments of 800 (so this is factored out)
1841                                 // then bounds check result to level out excessively high spin rates
1842                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1843                                 if (fTemp > 14000.0)
1844                                         fTemp = 14000.0;
1845                                 // restore direction information
1846                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1847                         }
1848                 }
1849
1850                 // convert range from -32768..32767 to -1..1
1851                 fAxisValue /= 32768.0;
1852
1853                 switch (dwAxisMap[i])
1854                 {
1855                 case AxisForward:
1856                         if ((joy_advanced.integer == 0) && mouselook)
1857                         {
1858                                 // user wants forward control to become look control
1859                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1860                                 {
1861                                         // if mouse invert is on, invert the joystick pitch value
1862                                         // only absolute control support here (joy_advanced is false)
1863                                         if (m_pitch.value < 0.0)
1864                                         {
1865                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1866                                         }
1867                                         else
1868                                         {
1869                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1870                                         }
1871                                         V_StopPitchDrift();
1872                                 }
1873                                 else
1874                                 {
1875                                         // no pitch movement
1876                                         // disable pitch return-to-center unless requested by user
1877                                         // *** this code can be removed when the lookspring bug is fixed
1878                                         // *** the bug always has the lookspring feature on
1879                                         if(lookspring.value == 0.0)
1880                                                 V_StopPitchDrift();
1881                                 }
1882                         }
1883                         else
1884                         {
1885                                 // user wants forward control to be forward control
1886                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1887                                 {
1888                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1889                                 }
1890                         }
1891                         break;
1892
1893                 case AxisSide:
1894                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1895                         {
1896                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1897                         }
1898                         break;
1899
1900                 case AxisTurn:
1901                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1902                         {
1903                                 // user wants turn control to become side control
1904                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1905                                 {
1906                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1907                                 }
1908                         }
1909                         else
1910                         {
1911                                 // user wants turn control to be turn control
1912                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1913                                 {
1914                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1915                                         {
1916                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1917                                         }
1918                                         else
1919                                         {
1920                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1921                                         }
1922
1923                                 }
1924                         }
1925                         break;
1926
1927                 case AxisLook:
1928                         if (mouselook)
1929                         {
1930                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1931                                 {
1932                                         // pitch movement detected and pitch movement desired by user
1933                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1934                                         {
1935                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1936                                         }
1937                                         else
1938                                         {
1939                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1940                                         }
1941                                         V_StopPitchDrift();
1942                                 }
1943                                 else
1944                                 {
1945                                         // no pitch movement
1946                                         // disable pitch return-to-center unless requested by user
1947                                         // *** this code can be removed when the lookspring bug is fixed
1948                                         // *** the bug always has the lookspring feature on
1949                                         if(lookspring.integer == 0)
1950                                                 V_StopPitchDrift();
1951                                 }
1952                         }
1953                         break;
1954
1955                 default:
1956                         break;
1957                 }
1958         }
1959 }
1960
1961 static void IN_Init(void)
1962 {
1963         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1964
1965         // joystick variables
1966         Cvar_RegisterVariable (&in_joystick);
1967         Cvar_RegisterVariable (&joy_name);
1968         Cvar_RegisterVariable (&joy_advanced);
1969         Cvar_RegisterVariable (&joy_advaxisx);
1970         Cvar_RegisterVariable (&joy_advaxisy);
1971         Cvar_RegisterVariable (&joy_advaxisz);
1972         Cvar_RegisterVariable (&joy_advaxisr);
1973         Cvar_RegisterVariable (&joy_advaxisu);
1974         Cvar_RegisterVariable (&joy_advaxisv);
1975         Cvar_RegisterVariable (&joy_forwardthreshold);
1976         Cvar_RegisterVariable (&joy_sidethreshold);
1977         Cvar_RegisterVariable (&joy_pitchthreshold);
1978         Cvar_RegisterVariable (&joy_yawthreshold);
1979         Cvar_RegisterVariable (&joy_forwardsensitivity);
1980         Cvar_RegisterVariable (&joy_sidesensitivity);
1981         Cvar_RegisterVariable (&joy_pitchsensitivity);
1982         Cvar_RegisterVariable (&joy_yawsensitivity);
1983         Cvar_RegisterVariable (&joy_wwhack1);
1984         Cvar_RegisterVariable (&joy_wwhack2);
1985         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1986 }
1987
1988 static void IN_Shutdown(void)
1989 {
1990         IN_DeactivateMouse ();
1991         IN_ShowMouse ();
1992
1993         if (g_pMouse)
1994                 IDirectInputDevice_Release(g_pMouse);
1995         g_pMouse = NULL;
1996
1997         if (g_pdi)
1998                 IDirectInput_Release(g_pdi);
1999         g_pdi = NULL;
2000 }