this commit adds video mode switching, and preferred mode is saved to config, no...
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include "winquake.h"
24 #include "resource.h"
25 #include <commctrl.h>
26
27 int cl_available = true;
28
29 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
30 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
31 //int (WINAPI *qwglGetPixelFormat)(HDC);
32 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
33 BOOL (WINAPI *qwglSwapBuffers)(HDC);
34 HGLRC (WINAPI *qwglCreateContext)(HDC);
35 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
36 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
37 HDC (WINAPI *qwglGetCurrentDC)(VOID);
38 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
39 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
40 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
41 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
42
43 static gl_extensionfunctionlist_t wglfuncs[] =
44 {
45         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
46         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
47 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
48         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
49         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
50         {"wglCreateContext", (void **) &qwglCreateContext},
51         {"wglDeleteContext", (void **) &qwglDeleteContext},
52         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
53         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
54         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
55         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
56         {NULL, NULL}
57 };
58
59 static gl_extensionfunctionlist_t wglswapintervalfuncs[] =
60 {
61         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
62         {NULL, NULL}
63 };
64
65 void VID_RestoreGameGamma(void);
66 void VID_GetSystemGamma(void);
67 void VID_RestoreSystemGamma(void);
68
69 qboolean scr_skipupdate;
70
71 static DEVMODE gdevmode;
72 static qboolean vid_initialized = false;
73 static qboolean vid_wassuspended = false;
74 static int vid_usingmouse;
75 extern qboolean mouseactive;  // from in_win.c
76 static HICON hIcon;
77
78 HWND mainwindow;
79
80 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
81
82 static int vid_isfullscreen;
83
84 //void VID_MenuDraw (void);
85 //void VID_MenuKey (int key);
86
87 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
88 //void AppActivate(BOOL fActive, BOOL minimize);
89 //void ClearAllStates (void);
90 //void VID_UpdateWindowStatus (void);
91
92 //====================================
93
94 int window_x, window_y, window_width, window_height;
95 int window_center_x, window_center_y;
96
97 void IN_ShowMouse (void);
98 void IN_DeactivateMouse (void);
99 void IN_HideMouse (void);
100 void IN_ActivateMouse (void);
101 void IN_MouseEvent (int mstate);
102 void IN_UpdateClipCursor (void);
103
104 qboolean mouseinitialized;
105 static qboolean dinput;
106
107 /*
108 ================
109 VID_UpdateWindowStatus
110 ================
111 */
112 void VID_UpdateWindowStatus (void)
113 {
114         window_center_x = window_x + window_width / 2;
115         window_center_y = window_y + window_height / 2;
116
117         if (mouseinitialized && mouseactive && !dinput)
118         {
119                 RECT window_rect;
120                 window_rect.left = window_x;
121                 window_rect.top = window_y;
122                 window_rect.right = window_x + window_width;
123                 window_rect.bottom = window_y + window_height;
124                 ClipCursor (&window_rect);
125         }
126 }
127
128
129 //====================================
130
131 /*
132 =================
133 VID_GetWindowSize
134 =================
135 */
136 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
137 {
138         *x = 0;
139         *y = 0;
140         *width = window_width;
141         *height = window_height;
142 }
143
144
145 void VID_Finish (void)
146 {
147         HDC hdc;
148         int vid_usemouse;
149         if (r_render.integer && !scr_skipupdate)
150         {
151                 qglFinish();
152                 hdc = GetDC(mainwindow);
153                 SwapBuffers(hdc);
154                 ReleaseDC(mainwindow, hdc);
155         }
156
157 // handle the mouse state when windowed if that's changed
158         vid_usemouse = false;
159         if (vid_mouse.integer && !key_consoleactive)
160                 vid_usemouse = true;
161         if (vid_isfullscreen)
162                 vid_usemouse = true;
163         if (!vid_activewindow)
164                 vid_usemouse = false;
165         if (vid_usemouse)
166         {
167                 if (!vid_usingmouse)
168                 {
169                         vid_usingmouse = true;
170                         IN_ActivateMouse ();
171                         IN_HideMouse();
172                 }
173         }
174         else
175         {
176                 if (vid_usingmouse)
177                 {
178                         vid_usingmouse = false;
179                         IN_DeactivateMouse ();
180                         IN_ShowMouse();
181                 }
182         }
183 }
184
185 //==========================================================================
186
187
188
189
190 qbyte scantokey[128] =
191 {
192 //      0           1      2     3     4     5       6       7      8         9      A       B           C     D            E           F
193         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'    ,'0'        ,'-'  ,'='         ,K_BACKSPACE,9     , // 0
194         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['    ,']'        ,13   ,K_CTRL      ,'a'        ,'s'   , // 1
195         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT,'\\'       ,'z'  ,'x'         ,'c'        ,'v'   , // 2
196         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0      ,K_F1       ,K_F2 ,K_F3        ,K_F4       ,K_F5  , // 3
197         K_F6       ,K_F7  ,K_F8 ,K_F9 ,K_F10,K_PAUSE,0      ,K_HOME,K_UPARROW,K_PGUP,'-'    ,K_LEFTARROW,'5'  ,K_RIGHTARROW,'+'        ,K_END , // 4
198         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 5
199         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 6
200         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0       // 7
201 };
202
203
204 /*
205 =======
206 MapKey
207
208 Map from windows to quake keynums
209 =======
210 */
211 int MapKey (int key, int virtualkey)
212 {
213         key = (key>>16)&255;
214         if (key > 127)
215                 return 0;
216         if (scantokey[key] == 0)
217                 Con_DPrintf("key 0x%02x has no translation\n", key);
218         return scantokey[key];
219 }
220
221 /*
222 ===================================================================
223
224 MAIN WINDOW
225
226 ===================================================================
227 */
228
229 /*
230 ================
231 ClearAllStates
232 ================
233 */
234 void ClearAllStates (void)
235 {
236         int             i;
237
238 // send an up event for each key, to make sure the server clears them all
239         for (i=0 ; i<256 ; i++)
240         {
241                 Key_Event (i, false);
242         }
243
244         Key_ClearStates ();
245         IN_ClearStates ();
246 }
247
248 void VID_RestoreGameGamma(void);
249 extern qboolean host_loopactive;
250
251 void AppActivate(BOOL fActive, BOOL minimize)
252 /****************************************************************************
253 *
254 * Function:     AppActivate
255 * Parameters:   fActive - True if app is activating
256 *
257 * Description:  If the application is activating, then swap the system
258 *               into SYSPAL_NOSTATIC mode so that our palettes will display
259 *               correctly.
260 *
261 ****************************************************************************/
262 {
263         static BOOL     sound_active;
264
265         vid_activewindow = fActive;
266         vid_hidden = minimize;
267
268 // enable/disable sound on focus gain/loss
269         if (!vid_activewindow && sound_active)
270         {
271                 S_BlockSound ();
272                 sound_active = false;
273         }
274         else if (vid_activewindow && !sound_active)
275         {
276                 S_UnblockSound ();
277                 sound_active = true;
278         }
279
280         if (fActive)
281         {
282                 if (vid_isfullscreen)
283                 {
284                         if (vid_wassuspended)
285                         {
286                                 vid_wassuspended = false;
287                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
288                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
289                         }
290
291                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
292                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
293                 }
294                 if (host_loopactive)
295                         VID_RestoreGameGamma();
296         }
297
298         if (!fActive)
299         {
300                 vid_usingmouse = false;
301                 IN_DeactivateMouse ();
302                 IN_ShowMouse ();
303                 if (vid_isfullscreen)
304                 {
305                         ChangeDisplaySettings (NULL, 0);
306                         vid_wassuspended = true;
307                 }
308                 VID_RestoreSystemGamma();
309         }
310 }
311
312 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
313
314 /* main window procedure */
315 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
316 {
317         LONG    lRet = 1;
318         int             fActive, fMinimized, temp;
319         extern unsigned int uiWheelMessage;
320
321         if ( uMsg == uiWheelMessage )
322                 uMsg = WM_MOUSEWHEEL;
323
324         switch (uMsg)
325         {
326                 case WM_KILLFOCUS:
327                         if (vid_isfullscreen)
328                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
329                         break;
330
331                 case WM_CREATE:
332                         break;
333
334                 case WM_MOVE:
335                         window_x = (int) LOWORD(lParam);
336                         window_y = (int) HIWORD(lParam);
337                         VID_UpdateWindowStatus ();
338                         break;
339
340                 case WM_KEYDOWN:
341                 case WM_SYSKEYDOWN:
342                         Key_Event (MapKey(lParam, wParam), true);
343                         break;
344
345                 case WM_KEYUP:
346                 case WM_SYSKEYUP:
347                         Key_Event (MapKey(lParam, wParam), false);
348                         break;
349
350                 case WM_SYSCHAR:
351                 // keep Alt-Space from happening
352                         break;
353
354         // this is complicated because Win32 seems to pack multiple mouse events into
355         // one update sometimes, so we always check all states and look for events
356                 case WM_LBUTTONDOWN:
357                 case WM_LBUTTONUP:
358                 case WM_RBUTTONDOWN:
359                 case WM_RBUTTONUP:
360                 case WM_MBUTTONDOWN:
361                 case WM_MBUTTONUP:
362                 case WM_MOUSEMOVE:
363                         temp = 0;
364
365                         if (wParam & MK_LBUTTON)
366                                 temp |= 1;
367
368                         if (wParam & MK_RBUTTON)
369                                 temp |= 2;
370
371                         if (wParam & MK_MBUTTON)
372                                 temp |= 4;
373
374                         IN_MouseEvent (temp);
375
376                         break;
377
378                 // JACK: This is the mouse wheel with the Intellimouse
379                 // Its delta is either positive or neg, and we generate the proper
380                 // Event.
381                 case WM_MOUSEWHEEL:
382                         if ((short) HIWORD(wParam) > 0) {
383                                 Key_Event(K_MWHEELUP, true);
384                                 Key_Event(K_MWHEELUP, false);
385                         } else {
386                                 Key_Event(K_MWHEELDOWN, true);
387                                 Key_Event(K_MWHEELDOWN, false);
388                         }
389                         break;
390
391                 case WM_SIZE:
392                         break;
393
394                 case WM_CLOSE:
395                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
396                                 Sys_Quit ();
397
398                         break;
399
400                 case WM_ACTIVATE:
401                         fActive = LOWORD(wParam);
402                         fMinimized = (BOOL) HIWORD(wParam);
403                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
404
405                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
406                         ClearAllStates ();
407
408                         break;
409
410                 case WM_DESTROY:
411                 {
412                         if (mainwindow)
413                                 DestroyWindow (mainwindow);
414
415                         PostQuitMessage (0);
416                 }
417                 break;
418
419                 case MM_MCINOTIFY:
420                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
421                         break;
422
423                 default:
424                         /* pass all unhandled messages to DefWindowProc */
425                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
426                 break;
427         }
428
429         /* return 1 if handled message, 0 if not */
430         return lRet;
431 }
432
433
434 //static int grabsysgamma = true;
435 WORD systemgammaramps[3][256], currentgammaramps[3][256];
436
437 int VID_SetGamma(float prescale, float gamma, float scale, float base)
438 {
439         int i;
440         HDC hdc;
441         hdc = GetDC (NULL);
442
443         BuildGammaTable16(prescale, gamma, scale, base, &currentgammaramps[0][0]);
444         for (i = 0;i < 256;i++)
445                 currentgammaramps[1][i] = currentgammaramps[2][i] = currentgammaramps[0][i];
446
447         i = SetDeviceGammaRamp(hdc, &currentgammaramps[0][0]);
448
449         ReleaseDC (NULL, hdc);
450         return i; // return success or failure
451 }
452
453 void VID_RestoreGameGamma(void)
454 {
455         VID_UpdateGamma(true);
456 }
457
458 void VID_GetSystemGamma(void)
459 {
460         HDC hdc;
461         hdc = GetDC (NULL);
462
463         GetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
464
465         ReleaseDC (NULL, hdc);
466 }
467
468 void VID_RestoreSystemGamma(void)
469 {
470         HDC hdc;
471         hdc = GetDC (NULL);
472
473         SetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
474
475         ReleaseDC (NULL, hdc);
476 }
477
478 //========================================================
479 // Video menu stuff
480 //========================================================
481
482 #if 0
483 extern void M_Menu_Options_f (void);
484 extern void M_Print (float cx, float cy, char *str);
485 extern void M_PrintWhite (float cx, float cy, char *str);
486 extern void M_DrawCharacter (float cx, float cy, int num);
487 extern void M_DrawPic (float cx, float cy, char *picname);
488
489 static int vid_wmodes;
490
491 typedef struct
492 {
493         int modenum;
494         char *desc;
495         int iscur;
496 } modedesc_t;
497
498 #define MAX_COLUMN_SIZE         9
499 #define MODE_AREA_HEIGHT        (MAX_COLUMN_SIZE + 2)
500 #define MAX_MODEDESCS           (MAX_COLUMN_SIZE*3)
501
502 static modedesc_t modedescs[MAX_MODEDESCS];
503
504 /*
505 ================
506 VID_MenuDraw
507 ================
508 */
509 void VID_MenuDraw (void)
510 {
511         cachepic_t *p;
512         char *ptr;
513         int lnummodes, i, k, column, row;
514         vmode_t *pv;
515
516         p = Draw_CachePic ("gfx/vidmodes.lmp");
517         M_DrawPic ( (320-p->width)/2, 4, "gfx/vidmodes.lmp");
518
519         vid_wmodes = 0;
520         lnummodes = VID_NumModes ();
521
522         for (i=1 ; (i<lnummodes) && (vid_wmodes < MAX_MODEDESCS) ; i++)
523         {
524                 ptr = VID_GetModeDescription (i);
525                 pv = VID_GetModePtr (i);
526
527                 k = vid_wmodes;
528
529                 modedescs[k].modenum = i;
530                 modedescs[k].desc = ptr;
531                 modedescs[k].iscur = 0;
532
533                 if (i == vid_modenum)
534                         modedescs[k].iscur = 1;
535
536                 vid_wmodes++;
537
538         }
539
540         if (vid_wmodes > 0)
541         {
542                 M_Print (2*8, 36+0*8, "Fullscreen Modes (WIDTHxHEIGHTxBPP)");
543
544                 column = 8;
545                 row = 36+2*8;
546
547                 for (i=0 ; i<vid_wmodes ; i++)
548                 {
549                         if (modedescs[i].iscur)
550                                 M_PrintWhite (column, row, modedescs[i].desc);
551                         else
552                                 M_Print (column, row, modedescs[i].desc);
553
554                         column += 13*8;
555
556                         if ((i % VID_ROW_SIZE) == (VID_ROW_SIZE - 1))
557                         {
558                                 column = 8;
559                                 row += 8;
560                         }
561                 }
562         }
563
564         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*2, "Video modes must be set from the");
565         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*3, "command line with -width <width>");
566         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*4, "and -bpp <bits-per-pixel>");
567         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*6, "Select windowed mode with -window");
568 }
569
570
571 /*
572 ================
573 VID_MenuKey
574 ================
575 */
576 void VID_MenuKey (int key)
577 {
578         switch (key)
579         {
580         case K_ESCAPE:
581                 S_LocalSound ("misc/menu1.wav");
582                 M_Menu_Options_f ();
583                 break;
584
585         default:
586                 break;
587         }
588 }
589 #endif
590
591 static HINSTANCE gldll;
592
593 int GL_OpenLibrary(const char *name)
594 {
595         Con_Printf("Loading GL driver %s\n", name);
596         GL_CloseLibrary();
597         if (!(gldll = LoadLibrary(name)))
598         {
599                 Con_Printf("Unable to LoadLibrary %s\n", name);
600                 return false;
601         }
602         strcpy(gl_driver, name);
603         return true;
604 }
605
606 void GL_CloseLibrary(void)
607 {
608         FreeLibrary(gldll);
609         gldll = 0;
610         gl_driver[0] = 0;
611         qwglGetProcAddress = NULL;
612         gl_extensions = "";
613         gl_platform = "";
614         gl_platformextensions = "";
615 }
616
617 void *GL_GetProcAddress(const char *name)
618 {
619         void *p = NULL;
620         if (qwglGetProcAddress != NULL)
621                 p = (void *) qwglGetProcAddress(name);
622         if (p == NULL)
623                 p = (void *) GetProcAddress(gldll, name);
624         return p;
625 }
626
627 void VID_Init(void)
628 {
629         WNDCLASS wc;
630
631         InitCommonControls();
632         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
633
634         // Register the frame class
635         wc.style         = 0;
636         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
637         wc.cbClsExtra    = 0;
638         wc.cbWndExtra    = 0;
639         wc.hInstance     = global_hInstance;
640         wc.hIcon         = 0;
641         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
642         wc.hbrBackground = NULL;
643         wc.lpszMenuName  = 0;
644         wc.lpszClassName = "DarkPlacesWindowClass";
645
646         if (!RegisterClass (&wc))
647                 Sys_Error("Couldn't register window class\n");
648
649         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
650
651         // joystick variables
652         Cvar_RegisterVariable (&in_joystick);
653         Cvar_RegisterVariable (&joy_name);
654         Cvar_RegisterVariable (&joy_advanced);
655         Cvar_RegisterVariable (&joy_advaxisx);
656         Cvar_RegisterVariable (&joy_advaxisy);
657         Cvar_RegisterVariable (&joy_advaxisz);
658         Cvar_RegisterVariable (&joy_advaxisr);
659         Cvar_RegisterVariable (&joy_advaxisu);
660         Cvar_RegisterVariable (&joy_advaxisv);
661         Cvar_RegisterVariable (&joy_forwardthreshold);
662         Cvar_RegisterVariable (&joy_sidethreshold);
663         Cvar_RegisterVariable (&joy_pitchthreshold);
664         Cvar_RegisterVariable (&joy_yawthreshold);
665         Cvar_RegisterVariable (&joy_forwardsensitivity);
666         Cvar_RegisterVariable (&joy_sidesensitivity);
667         Cvar_RegisterVariable (&joy_pitchsensitivity);
668         Cvar_RegisterVariable (&joy_yawsensitivity);
669         Cvar_RegisterVariable (&joy_wwhack1);
670         Cvar_RegisterVariable (&joy_wwhack2);
671         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
672 }
673
674 int VID_InitMode (int fullscreen, int width, int height, int bpp)
675 {
676         int i;
677         HDC hdc;
678         RECT rect;
679         MSG msg;
680         PIXELFORMATDESCRIPTOR pfd =
681         {
682                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
683                 1,                              // version number
684                 PFD_DRAW_TO_WINDOW              // support window
685                 |  PFD_SUPPORT_OPENGL   // support OpenGL
686                 |  PFD_DOUBLEBUFFER ,   // double buffered
687                 PFD_TYPE_RGBA,                  // RGBA type
688                 24,                             // 24-bit color depth
689                 0, 0, 0, 0, 0, 0,               // color bits ignored
690                 0,                              // no alpha buffer
691                 0,                              // shift bit ignored
692                 0,                              // no accumulation buffer
693                 0, 0, 0, 0,                     // accum bits ignored
694                 32,                             // 32-bit z-buffer
695                 0,                              // no stencil buffer
696                 0,                              // no auxiliary buffer
697                 PFD_MAIN_PLANE,                 // main layer
698                 0,                              // reserved
699                 0, 0, 0                         // layer masks ignored
700         };
701         int pixelformat;
702         DWORD WindowStyle, ExWindowStyle;
703         HGLRC baseRC;
704         int CenterX, CenterY;
705         const char *gldrivername;
706
707         if (vid_initialized)
708                 Sys_Error("VID_InitMode called when video is already initialised\n");
709
710         gldrivername = "opengl32.dll";
711         i = COM_CheckParm("-gl_driver");
712         if (i && i < com_argc - 1)
713                 gldrivername = com_argv[i + 1];
714         if (!GL_OpenLibrary(gldrivername))
715         {
716                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
717                 return false;
718         }
719
720         memset(&gdevmode, 0, sizeof(gdevmode));
721
722         VID_GetSystemGamma();
723
724         vid_isfullscreen = false;
725         if (fullscreen)
726         {
727                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
728                 gdevmode.dmBitsPerPel = bpp;
729                 gdevmode.dmPelsWidth = width;
730                 gdevmode.dmPelsHeight = height;
731                 gdevmode.dmSize = sizeof (gdevmode);
732                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
733                 {
734                         VID_Shutdown();
735                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
736                         return false;
737                 }
738
739                 vid_isfullscreen = true;
740                 WindowStyle = WS_POPUP;
741                 ExWindowStyle = 0;
742         }
743         else
744         {
745                 hdc = GetDC (NULL);
746                 i = GetDeviceCaps(hdc, RASTERCAPS);
747                 ReleaseDC (NULL, hdc);
748                 if (i & RC_PALETTE)
749                 {
750                         VID_Shutdown();
751                         Con_Printf ("Can't run in non-RGB mode\n");
752                         return false;
753                 }
754
755                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
756                 ExWindowStyle = 0;
757         }
758
759         rect.top = 0;
760         rect.left = 0;
761         rect.right = width;
762         rect.bottom = height;
763         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
764
765         if (fullscreen)
766         {
767                 CenterX = 0;
768                 CenterY = 0;
769         }
770         else
771         {
772                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
773                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
774         }
775         CenterX = max(0, CenterX);
776         CenterY = max(0, CenterY);
777
778         // x and y may be changed by WM_MOVE messages
779         window_x = CenterX;
780         window_y = CenterY;
781         window_width = width;
782         window_height = height;
783         rect.left += CenterX;
784         rect.right += CenterX;
785         rect.top += CenterY;
786         rect.bottom += CenterY;
787
788         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
789         if (!mainwindow)
790         {
791                 VID_Shutdown();
792                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", ExWindowStyle, gamename, gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
793                 return false;
794         }
795
796         /*
797         if (!fullscreen)
798                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
799         */
800
801         ShowWindow (mainwindow, SW_SHOWDEFAULT);
802         UpdateWindow (mainwindow);
803
804         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
805         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
806
807         VID_UpdateWindowStatus ();
808
809         // now we try to make sure we get the focus on the mode switch, because
810         // sometimes in some systems we don't.  We grab the foreground, then
811         // finish setting up, pump all our messages, and sleep for a little while
812         // to let messages finish bouncing around the system, then we put
813         // ourselves at the top of the z order, then grab the foreground again,
814         // Who knows if it helps, but it probably doesn't hurt
815         SetForegroundWindow (mainwindow);
816
817         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
818         {
819                 TranslateMessage (&msg);
820                 DispatchMessage (&msg);
821         }
822
823         Sleep (100);
824
825         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
826
827         SetForegroundWindow (mainwindow);
828
829         // fix the leftover Alt from any Alt-Tab or the like that switched us away
830         ClearAllStates ();
831         
832         hdc = GetDC(mainwindow);
833
834         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
835         {
836                 VID_Shutdown();
837                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
838                 return false;
839         }
840
841         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
842         {
843                 VID_Shutdown();
844                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
845                 return false;
846         }
847
848         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
849         {
850                 VID_Shutdown();
851                 Con_Printf("wgl functions not found\n");
852                 return false;
853         }
854
855         baseRC = qwglCreateContext(hdc);
856         if (!baseRC)
857         {
858                 VID_Shutdown();
859                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
860                 return false;
861         }
862         if (!qwglMakeCurrent(hdc, baseRC))
863         {
864                 VID_Shutdown();
865                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
866                 return false;
867         }
868
869         qglGetString = GL_GetProcAddress("glGetString");
870         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
871         if (qglGetString == NULL)
872         {
873                 VID_Shutdown();
874                 Con_Printf("glGetString not found\n");
875                 return false;
876         }
877         gl_renderer = qglGetString(GL_RENDERER);
878         gl_vendor = qglGetString(GL_VENDOR);
879         gl_version = qglGetString(GL_VERSION);
880         gl_extensions = qglGetString(GL_EXTENSIONS);
881         gl_platform = "WGL";
882         gl_platformextensions = "";
883
884         if (qwglGetExtensionsStringARB)
885                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
886
887         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
888         ReleaseDC(mainwindow, hdc);
889
890         GL_Init ();
891
892         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
893         if (strncasecmp(gl_vendor,"ATI",3)==0)
894         {
895                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
896                         isRagePro = true;
897         }
898         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
899                 isG200 = true;
900
901         //vid_menudrawfn = VID_MenuDraw;
902         //vid_menukeyfn = VID_MenuKey;
903         vid_hidden = false;
904         vid_initialized = true;
905         
906         IN_StartupMouse ();
907         IN_StartupJoystick ();
908         
909         return true;
910 }
911
912 void VID_Shutdown (void)
913 {
914         HGLRC hRC = 0;
915         HDC hDC = 0;
916
917         if (vid_initialized)
918         {
919                 vid_initialized = false;
920                 
921                 IN_DeactivateMouse ();
922                 IN_ShowMouse ();
923
924                 if (g_pMouse)
925                         IDirectInputDevice_Release(g_pMouse);
926                 g_pMouse = NULL;
927                 
928                 if (g_pdi)
929                         IDirectInput_Release(g_pdi);
930                 g_pdi = NULL;
931
932                 if (qwglGetCurrentContext)
933                         hRC = qwglGetCurrentContext();
934                 
935                 if (qwglGetCurrentDC)
936                         hDC = qwglGetCurrentDC();
937
938                 if (qwglMakeCurrent)
939                         qwglMakeCurrent(NULL, NULL);
940
941                 if (hRC && qwglDeleteContext)
942                         qwglDeleteContext(hRC);
943
944                 // close the library before we get rid of the window
945                 GL_CloseLibrary();
946
947                 if (hDC && mainwindow)
948                         ReleaseDC(mainwindow, hDC);
949
950                 if (vid_isfullscreen)
951                         ChangeDisplaySettings (NULL, 0);
952
953                 AppActivate(false, false);
954
955                 VID_RestoreSystemGamma();
956         }
957 }
958
959
960 // input code
961
962 #include <dinput.h>
963
964 #define DINPUT_BUFFERSIZE           16
965 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
966
967 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
968         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
969
970 // mouse variables
971 int                     mouse_buttons;
972 int                     mouse_oldbuttonstate;
973 POINT           current_pos;
974 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
975
976 static qboolean restore_spi;
977 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
978
979 unsigned int uiWheelMessage;
980 qboolean        mouseactive;
981 //qboolean              mouseinitialized;
982 static qboolean mouseparmsvalid, mouseactivatetoggle;
983 static qboolean mouseshowtoggle = 1;
984 static qboolean dinput_acquired;
985
986 static unsigned int             mstate_di;
987
988 // joystick defines and variables
989 // where should defines be moved?
990 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
991 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
992 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
993 #define JOY_AXIS_X                      0
994 #define JOY_AXIS_Y                      1
995 #define JOY_AXIS_Z                      2
996 #define JOY_AXIS_R                      3
997 #define JOY_AXIS_U                      4
998 #define JOY_AXIS_V                      5
999
1000 enum _ControlList
1001 {
1002         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
1003 };
1004
1005 DWORD   dwAxisFlags[JOY_MAX_AXES] =
1006 {
1007         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
1008 };
1009
1010 DWORD   dwAxisMap[JOY_MAX_AXES];
1011 DWORD   dwControlMap[JOY_MAX_AXES];
1012 PDWORD  pdwRawValue[JOY_MAX_AXES];
1013
1014 // none of these cvars are saved over a session
1015 // this means that advanced controller configuration needs to be executed
1016 // each time.  this avoids any problems with getting back to a default usage
1017 // or when changing from one controller to another.  this way at least something
1018 // works.
1019 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
1020 cvar_t  joy_name = {0, "joyname", "joystick"};
1021 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
1022 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
1023 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
1024 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
1025 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
1026 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
1027 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
1028 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
1029 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
1030 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
1031 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
1032 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
1033 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
1034 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
1035 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
1036 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
1037 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
1038
1039 qboolean        joy_avail, joy_advancedinit, joy_haspov;
1040 DWORD           joy_oldbuttonstate, joy_oldpovstate;
1041
1042 int                     joy_id;
1043 DWORD           joy_flags;
1044 DWORD           joy_numbuttons;
1045
1046 static LPDIRECTINPUT            g_pdi;
1047 static LPDIRECTINPUTDEVICE      g_pMouse;
1048
1049 static JOYINFOEX        ji;
1050
1051 static HINSTANCE hInstDI;
1052
1053 //static qboolean       dinput;
1054
1055 typedef struct MYDATA {
1056         LONG  lX;                   // X axis goes here
1057         LONG  lY;                   // Y axis goes here
1058         LONG  lZ;                   // Z axis goes here
1059         BYTE  bButtonA;             // One button goes here
1060         BYTE  bButtonB;             // Another button goes here
1061         BYTE  bButtonC;             // Another button goes here
1062         BYTE  bButtonD;             // Another button goes here
1063 } MYDATA;
1064
1065 static DIOBJECTDATAFORMAT rgodf[] = {
1066   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
1067   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
1068   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
1069   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1070   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1071   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1072   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
1073 };
1074
1075 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
1076
1077 static DIDATAFORMAT     df = {
1078         sizeof(DIDATAFORMAT),       // this structure
1079         sizeof(DIOBJECTDATAFORMAT), // size of object data format
1080         DIDF_RELAXIS,               // absolute axis coordinates
1081         sizeof(MYDATA),             // device data size
1082         NUM_OBJECTS,                // number of objects
1083         rgodf,                      // and here they are
1084 };
1085
1086 // forward-referenced functions
1087 void IN_StartupJoystick (void);
1088 void Joy_AdvancedUpdate_f (void);
1089 void IN_JoyMove (usercmd_t *cmd);
1090
1091
1092 /*
1093 ===========
1094 IN_ShowMouse
1095 ===========
1096 */
1097 void IN_ShowMouse (void)
1098 {
1099         if (!mouseshowtoggle)
1100         {
1101                 ShowCursor (true);
1102                 mouseshowtoggle = 1;
1103         }
1104 }
1105
1106
1107 /*
1108 ===========
1109 IN_HideMouse
1110 ===========
1111 */
1112 void IN_HideMouse (void)
1113 {
1114         if (mouseshowtoggle)
1115         {
1116                 ShowCursor (false);
1117                 mouseshowtoggle = 0;
1118         }
1119 }
1120
1121
1122 /*
1123 ===========
1124 IN_ActivateMouse
1125 ===========
1126 */
1127 void IN_ActivateMouse (void)
1128 {
1129
1130         mouseactivatetoggle = true;
1131
1132         if (mouseinitialized)
1133         {
1134                 if (dinput)
1135                 {
1136                         if (g_pMouse)
1137                         {
1138                                 if (!dinput_acquired)
1139                                 {
1140                                         IDirectInputDevice_Acquire(g_pMouse);
1141                                         dinput_acquired = true;
1142                                 }
1143                         }
1144                         else
1145                         {
1146                                 return;
1147                         }
1148                 }
1149                 else
1150                 {
1151                         RECT window_rect;
1152                         window_rect.left = window_x;
1153                         window_rect.top = window_y;
1154                         window_rect.right = window_x + window_width;
1155                         window_rect.bottom = window_y + window_height;
1156
1157                         if (mouseparmsvalid)
1158                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1159
1160                         SetCursorPos (window_center_x, window_center_y);
1161                         SetCapture (mainwindow);
1162                         ClipCursor (&window_rect);
1163                 }
1164
1165                 mouseactive = true;
1166         }
1167 }
1168
1169
1170 /*
1171 ===========
1172 IN_DeactivateMouse
1173 ===========
1174 */
1175 void IN_DeactivateMouse (void)
1176 {
1177
1178         mouseactivatetoggle = false;
1179
1180         if (mouseinitialized)
1181         {
1182                 if (dinput)
1183                 {
1184                         if (g_pMouse)
1185                         {
1186                                 if (dinput_acquired)
1187                                 {
1188                                         IDirectInputDevice_Unacquire(g_pMouse);
1189                                         dinput_acquired = false;
1190                                 }
1191                         }
1192                 }
1193                 else
1194                 {
1195                         if (restore_spi)
1196                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1197
1198                         ClipCursor (NULL);
1199                         ReleaseCapture ();
1200                 }
1201
1202                 mouseactive = false;
1203         }
1204 }
1205
1206
1207 /*
1208 ===========
1209 IN_InitDInput
1210 ===========
1211 */
1212 qboolean IN_InitDInput (void)
1213 {
1214     HRESULT             hr;
1215         DIPROPDWORD     dipdw = {
1216                 {
1217                         sizeof(DIPROPDWORD),        // diph.dwSize
1218                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1219                         0,                          // diph.dwObj
1220                         DIPH_DEVICE,                // diph.dwHow
1221                 },
1222                 DINPUT_BUFFERSIZE,              // dwData
1223         };
1224
1225         if (!hInstDI)
1226         {
1227                 hInstDI = LoadLibrary("dinput.dll");
1228                 
1229                 if (hInstDI == NULL)
1230                 {
1231                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1232                         return false;
1233                 }
1234         }
1235
1236         if (!pDirectInputCreate)
1237         {
1238                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1239
1240                 if (!pDirectInputCreate)
1241                 {
1242                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1243                         return false;
1244                 }
1245         }
1246
1247 // register with DirectInput and get an IDirectInput to play with.
1248         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1249
1250         if (FAILED(hr))
1251         {
1252                 return false;
1253         }
1254
1255 // obtain an interface to the system mouse device.
1256         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1257
1258         if (FAILED(hr))
1259         {
1260                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1261                 return false;
1262         }
1263
1264 // set the data format to "mouse format".
1265         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1266
1267         if (FAILED(hr))
1268         {
1269                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1270                 return false;
1271         }
1272
1273 // set the cooperativity level.
1274         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1275                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1276
1277         if (FAILED(hr))
1278         {
1279                 Con_SafePrintf ("Couldn't set DI coop level\n");
1280                 return false;
1281         }
1282
1283
1284 // set the buffer size to DINPUT_BUFFERSIZE elements.
1285 // the buffer size is a DWORD property associated with the device
1286         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1287
1288         if (FAILED(hr))
1289         {
1290                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1291                 return false;
1292         }
1293
1294         return true;
1295 }
1296
1297
1298 /*
1299 ===========
1300 IN_StartupMouse
1301 ===========
1302 */
1303 void IN_StartupMouse (void)
1304 {
1305         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe")) 
1306                 return; 
1307
1308         mouseinitialized = true;
1309
1310         if (COM_CheckParm ("-dinput"))
1311         {
1312                 dinput = IN_InitDInput ();
1313
1314                 if (dinput)
1315                 {
1316                         Con_SafePrintf ("DirectInput initialized\n");
1317                 }
1318                 else
1319                 {
1320                         Con_SafePrintf ("DirectInput not initialized\n");
1321                 }
1322         }
1323
1324         if (!dinput)
1325         {
1326                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1327
1328                 if (mouseparmsvalid)
1329                 {
1330                         if ( COM_CheckParm ("-noforcemspd") ) 
1331                                 newmouseparms[2] = originalmouseparms[2];
1332
1333                         if ( COM_CheckParm ("-noforcemaccel") ) 
1334                         {
1335                                 newmouseparms[0] = originalmouseparms[0];
1336                                 newmouseparms[1] = originalmouseparms[1];
1337                         }
1338
1339                         if ( COM_CheckParm ("-noforcemparms") ) 
1340                         {
1341                                 newmouseparms[0] = originalmouseparms[0];
1342                                 newmouseparms[1] = originalmouseparms[1];
1343                                 newmouseparms[2] = originalmouseparms[2];
1344                         }
1345                 }
1346         }
1347
1348         mouse_buttons = 3;
1349
1350 // if a fullscreen video mode was set before the mouse was initialized,
1351 // set the mouse state appropriately
1352         if (mouseactivatetoggle)
1353                 IN_ActivateMouse ();
1354 }
1355
1356
1357 /*
1358 ===========
1359 IN_MouseEvent
1360 ===========
1361 */
1362 void IN_MouseEvent (int mstate)
1363 {
1364         int     i;
1365
1366         if (mouseactive && !dinput)
1367         {
1368         // perform button actions
1369                 for (i=0 ; i<mouse_buttons ; i++)
1370                 {
1371                         if ( (mstate & (1<<i)) &&
1372                                 !(mouse_oldbuttonstate & (1<<i)) )
1373                         {
1374                                 Key_Event (K_MOUSE1 + i, true);
1375                         }
1376
1377                         if ( !(mstate & (1<<i)) &&
1378                                 (mouse_oldbuttonstate & (1<<i)) )
1379                         {
1380                                 Key_Event (K_MOUSE1 + i, false);
1381                         }
1382                 }       
1383                         
1384                 mouse_oldbuttonstate = mstate;
1385         }
1386 }
1387
1388
1389 /*
1390 ===========
1391 IN_MouseMove
1392 ===========
1393 */
1394 void IN_MouseMove (usercmd_t *cmd)
1395 {
1396         int                                     i, mx, my;
1397         DIDEVICEOBJECTDATA      od;
1398         DWORD                           dwElements;
1399         HRESULT                         hr;
1400
1401         if (!mouseactive)
1402         {
1403                 GetCursorPos (&current_pos);
1404                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1405                 return;
1406         }
1407
1408         if (dinput)
1409         {
1410                 mx = 0;
1411                 my = 0;
1412
1413                 for (;;)
1414                 {
1415                         dwElements = 1;
1416
1417                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1418                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1419
1420                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1421                         {
1422                                 dinput_acquired = true;
1423                                 IDirectInputDevice_Acquire(g_pMouse);
1424                                 break;
1425                         }
1426
1427                         /* Unable to read data or no data available */
1428                         if (FAILED(hr) || dwElements == 0)
1429                                 break;
1430
1431                         /* Look at the element to see what happened */
1432
1433                         switch (od.dwOfs)
1434                         {
1435                                 case DIMOFS_X:
1436                                         mx += od.dwData;
1437                                         break;
1438
1439                                 case DIMOFS_Y:
1440                                         my += od.dwData;
1441                                         break;
1442
1443                                 case DIMOFS_BUTTON0:
1444                                         if (od.dwData & 0x80)
1445                                                 mstate_di |= 1;
1446                                         else
1447                                                 mstate_di &= ~1;
1448                                         break;
1449
1450                                 case DIMOFS_BUTTON1:
1451                                         if (od.dwData & 0x80)
1452                                                 mstate_di |= (1<<1);
1453                                         else
1454                                                 mstate_di &= ~(1<<1);
1455                                         break;
1456
1457                                 case DIMOFS_BUTTON2:
1458                                         if (od.dwData & 0x80)
1459                                                 mstate_di |= (1<<2);
1460                                         else
1461                                                 mstate_di &= ~(1<<2);
1462                                         break;
1463                         }
1464                 }
1465
1466         // perform button actions
1467                 for (i=0 ; i<mouse_buttons ; i++)
1468                 {
1469                         if ( (mstate_di & (1<<i)) &&
1470                                 !(mouse_oldbuttonstate & (1<<i)) )
1471                         {
1472                                 Key_Event (K_MOUSE1 + i, true);
1473                         }
1474
1475                         if ( !(mstate_di & (1<<i)) &&
1476                                 (mouse_oldbuttonstate & (1<<i)) )
1477                         {
1478                                 Key_Event (K_MOUSE1 + i, false);
1479                         }
1480                 }
1481
1482                 mouse_oldbuttonstate = mstate_di;
1483         }
1484         else
1485         {
1486                 GetCursorPos (&current_pos);
1487                 mx = current_pos.x - window_center_x + mx_accum;
1488                 my = current_pos.y - window_center_y + my_accum;
1489                 mx_accum = 0;
1490                 my_accum = 0;
1491         }
1492
1493         IN_Mouse(cmd, mx, my);
1494
1495         // if the mouse has moved, force it to the center, so there's room to move
1496         if (!dinput && (mx || my))
1497                 SetCursorPos (window_center_x, window_center_y);
1498 }
1499
1500
1501 /*
1502 ===========
1503 IN_Move
1504 ===========
1505 */
1506 void IN_Move (usercmd_t *cmd)
1507 {
1508         if (vid_activewindow && !vid_hidden)
1509         {
1510                 IN_MouseMove (cmd);
1511                 IN_JoyMove (cmd);
1512         }
1513 }
1514
1515
1516 /*
1517 ===========
1518 IN_Accumulate
1519 ===========
1520 */
1521 void IN_Accumulate (void)
1522 {
1523         if (mouseactive)
1524         {
1525                 if (!dinput)
1526                 {
1527                         GetCursorPos (&current_pos);
1528
1529                         mx_accum += current_pos.x - window_center_x;
1530                         my_accum += current_pos.y - window_center_y;
1531
1532                 // force the mouse to the center, so there's room to move
1533                         SetCursorPos (window_center_x, window_center_y);
1534                 }
1535         }
1536 }
1537
1538
1539 /*
1540 ===================
1541 IN_ClearStates
1542 ===================
1543 */
1544 void IN_ClearStates (void)
1545 {
1546         if (mouseactive)
1547         {
1548                 mx_accum = 0;
1549                 my_accum = 0;
1550                 mouse_oldbuttonstate = 0;
1551         }
1552 }
1553
1554
1555 /* 
1556 =============== 
1557 IN_StartupJoystick 
1558 =============== 
1559 */  
1560 void IN_StartupJoystick (void) 
1561
1562         int                     numdevs;
1563         JOYCAPS         jc;
1564         MMRESULT        mmr;
1565         mmr = 0;
1566  
1567         // assume no joystick
1568         joy_avail = false; 
1569
1570         // abort startup if user requests no joystick
1571         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe")) 
1572                 return; 
1573  
1574         // verify joystick driver is present
1575         if ((numdevs = joyGetNumDevs ()) == 0)
1576         {
1577                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1578                 return;
1579         }
1580
1581         // cycle through the joystick ids for the first valid one
1582         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1583         {
1584                 memset (&ji, 0, sizeof(ji));
1585                 ji.dwSize = sizeof(ji);
1586                 ji.dwFlags = JOY_RETURNCENTERED;
1587
1588                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1589                         break;
1590         } 
1591
1592         // abort startup if we didn't find a valid joystick
1593         if (mmr != JOYERR_NOERROR)
1594         {
1595                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1596                 return;
1597         }
1598
1599         // get the capabilities of the selected joystick
1600         // abort startup if command fails
1601         memset (&jc, 0, sizeof(jc));
1602         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1603         {
1604                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr); 
1605                 return;
1606         }
1607
1608         // save the joystick's number of buttons and POV status
1609         joy_numbuttons = jc.wNumButtons;
1610         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1611
1612         // old button and POV states default to no buttons pressed
1613         joy_oldbuttonstate = joy_oldpovstate = 0;
1614
1615         // mark the joystick as available and advanced initialization not completed
1616         // this is needed as cvars are not available during initialization
1617
1618         joy_avail = true; 
1619         joy_advancedinit = false;
1620
1621         Con_Printf ("\njoystick detected\n\n"); 
1622 }
1623
1624
1625 /*
1626 ===========
1627 RawValuePointer
1628 ===========
1629 */
1630 PDWORD RawValuePointer (int axis)
1631 {
1632         switch (axis)
1633         {
1634         case JOY_AXIS_X:
1635                 return &ji.dwXpos;
1636         case JOY_AXIS_Y:
1637                 return &ji.dwYpos;
1638         case JOY_AXIS_Z:
1639                 return &ji.dwZpos;
1640         case JOY_AXIS_R:
1641                 return &ji.dwRpos;
1642         case JOY_AXIS_U:
1643                 return &ji.dwUpos;
1644         case JOY_AXIS_V:
1645                 return &ji.dwVpos;
1646         }
1647         return NULL; // LordHavoc: hush compiler warning
1648 }
1649
1650
1651 /*
1652 ===========
1653 Joy_AdvancedUpdate_f
1654 ===========
1655 */
1656 void Joy_AdvancedUpdate_f (void)
1657 {
1658
1659         // called once by IN_ReadJoystick and by user whenever an update is needed
1660         // cvars are now available
1661         int     i;
1662         DWORD dwTemp;
1663
1664         // initialize all the maps
1665         for (i = 0; i < JOY_MAX_AXES; i++)
1666         {
1667                 dwAxisMap[i] = AxisNada;
1668                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1669                 pdwRawValue[i] = RawValuePointer(i);
1670         }
1671
1672         if( joy_advanced.integer == 0)
1673         {
1674                 // default joystick initialization
1675                 // 2 axes only with joystick control
1676                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1677                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1678                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1679                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1680         }
1681         else
1682         {
1683                 if (strcmp (joy_name.string, "joystick") != 0)
1684                 {
1685                         // notify user of advanced controller
1686                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1687                 }
1688
1689                 // advanced initialization here
1690                 // data supplied by user via joy_axisn cvars
1691                 dwTemp = (DWORD) joy_advaxisx.value;
1692                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1693                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1694                 dwTemp = (DWORD) joy_advaxisy.value;
1695                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1696                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1697                 dwTemp = (DWORD) joy_advaxisz.value;
1698                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1699                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1700                 dwTemp = (DWORD) joy_advaxisr.value;
1701                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1702                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1703                 dwTemp = (DWORD) joy_advaxisu.value;
1704                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1705                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1706                 dwTemp = (DWORD) joy_advaxisv.value;
1707                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1708                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1709         }
1710
1711         // compute the axes to collect from DirectInput
1712         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1713         for (i = 0; i < JOY_MAX_AXES; i++)
1714         {
1715                 if (dwAxisMap[i] != AxisNada)
1716                 {
1717                         joy_flags |= dwAxisFlags[i];
1718                 }
1719         }
1720 }
1721
1722
1723 /*
1724 ===========
1725 IN_Commands
1726 ===========
1727 */
1728 void IN_Commands (void)
1729 {
1730         int             i, key_index;
1731         DWORD   buttonstate, povstate;
1732
1733         if (!joy_avail)
1734         {
1735                 return;
1736         }
1737
1738         
1739         // loop through the joystick buttons
1740         // key a joystick event or auxillary event for higher number buttons for each state change
1741         buttonstate = ji.dwButtons;
1742         for (i=0 ; i < (int) joy_numbuttons ; i++)
1743         {
1744                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1745                 {
1746                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1747                         Key_Event (key_index + i, true);
1748                 }
1749
1750                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1751                 {
1752                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1753                         Key_Event (key_index + i, false);
1754                 }
1755         }
1756         joy_oldbuttonstate = buttonstate;
1757
1758         if (joy_haspov)
1759         {
1760                 // convert POV information into 4 bits of state information
1761                 // this avoids any potential problems related to moving from one
1762                 // direction to another without going through the center position
1763                 povstate = 0;
1764                 if(ji.dwPOV != JOY_POVCENTERED)
1765                 {
1766                         if (ji.dwPOV == JOY_POVFORWARD)
1767                                 povstate |= 0x01;
1768                         if (ji.dwPOV == JOY_POVRIGHT)
1769                                 povstate |= 0x02;
1770                         if (ji.dwPOV == JOY_POVBACKWARD)
1771                                 povstate |= 0x04;
1772                         if (ji.dwPOV == JOY_POVLEFT)
1773                                 povstate |= 0x08;
1774                 }
1775                 // determine which bits have changed and key an auxillary event for each change
1776                 for (i=0 ; i < 4 ; i++)
1777                 {
1778                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1779                         {
1780                                 Key_Event (K_AUX29 + i, true);
1781                         }
1782
1783                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1784                         {
1785                                 Key_Event (K_AUX29 + i, false);
1786                         }
1787                 }
1788                 joy_oldpovstate = povstate;
1789         }
1790 }
1791
1792
1793 /* 
1794 =============== 
1795 IN_ReadJoystick
1796 =============== 
1797 */  
1798 qboolean IN_ReadJoystick (void)
1799 {
1800
1801         memset (&ji, 0, sizeof(ji));
1802         ji.dwSize = sizeof(ji);
1803         ji.dwFlags = joy_flags;
1804
1805         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1806         {
1807                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1808                 // rather than having 32768 be the zero point, they have the zero point at 32668
1809                 // go figure -- anyway, now we get the full resolution out of the device
1810                 if (joy_wwhack1.integer != 0.0)
1811                 {
1812                         ji.dwUpos += 100;
1813                 }
1814                 return true;
1815         }
1816         else
1817         {
1818                 // read error occurred
1819                 // turning off the joystick seems too harsh for 1 read error,
1820                 // but what should be done?
1821                 return false;
1822         }
1823 }
1824
1825
1826 /*
1827 ===========
1828 IN_JoyMove
1829 ===========
1830 */
1831 void IN_JoyMove (usercmd_t *cmd)
1832 {
1833         float   speed, aspeed;
1834         float   fAxisValue, fTemp;
1835         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1836
1837         // complete initialization if first time in
1838         // this is needed as cvars are not available at initialization time
1839         if( joy_advancedinit != true )
1840         {
1841                 Joy_AdvancedUpdate_f();
1842                 joy_advancedinit = true;
1843         }
1844
1845         // verify joystick is available and that the user wants to use it
1846         if (!joy_avail || !in_joystick.integer)
1847         {
1848                 return; 
1849         }
1850
1851         // collect the joystick data, if possible
1852         if (IN_ReadJoystick () != true)
1853         {
1854                 return;
1855         }
1856
1857         if (in_speed.state & 1)
1858                 speed = cl_movespeedkey.value;
1859         else
1860                 speed = 1;
1861         // LordHavoc: viewzoom affects sensitivity for sniping
1862         aspeed = speed * host_realframetime * cl.viewzoom;
1863
1864         // loop through the axes
1865         for (i = 0; i < JOY_MAX_AXES; i++)
1866         {
1867                 // get the floating point zero-centered, potentially-inverted data for the current axis
1868                 fAxisValue = (float) *pdwRawValue[i];
1869                 // move centerpoint to zero
1870                 fAxisValue -= 32768.0;
1871
1872                 if (joy_wwhack2.integer != 0.0)
1873                 {
1874                         if (dwAxisMap[i] == AxisTurn)
1875                         {
1876                                 // this is a special formula for the Logitech WingMan Warrior
1877                                 // y=ax^b; where a = 300 and b = 1.3
1878                                 // also x values are in increments of 800 (so this is factored out)
1879                                 // then bounds check result to level out excessively high spin rates
1880                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1881                                 if (fTemp > 14000.0)
1882                                         fTemp = 14000.0;
1883                                 // restore direction information
1884                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1885                         }
1886                 }
1887
1888                 // convert range from -32768..32767 to -1..1 
1889                 fAxisValue /= 32768.0;
1890
1891                 switch (dwAxisMap[i])
1892                 {
1893                 case AxisForward:
1894                         if ((joy_advanced.integer == 0) && mouselook)
1895                         {
1896                                 // user wants forward control to become look control
1897                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1898                                 {               
1899                                         // if mouse invert is on, invert the joystick pitch value
1900                                         // only absolute control support here (joy_advanced is false)
1901                                         if (m_pitch.value < 0.0)
1902                                         {
1903                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1904                                         }
1905                                         else
1906                                         {
1907                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1908                                         }
1909                                         V_StopPitchDrift();
1910                                 }
1911                                 else
1912                                 {
1913                                         // no pitch movement
1914                                         // disable pitch return-to-center unless requested by user
1915                                         // *** this code can be removed when the lookspring bug is fixed
1916                                         // *** the bug always has the lookspring feature on
1917                                         if(lookspring.value == 0.0)
1918                                                 V_StopPitchDrift();
1919                                 }
1920                         }
1921                         else
1922                         {
1923                                 // user wants forward control to be forward control
1924                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1925                                 {
1926                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1927                                 }
1928                         }
1929                         break;
1930
1931                 case AxisSide:
1932                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1933                         {
1934                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1935                         }
1936                         break;
1937
1938                 case AxisTurn:
1939                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1940                         {
1941                                 // user wants turn control to become side control
1942                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1943                                 {
1944                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1945                                 }
1946                         }
1947                         else
1948                         {
1949                                 // user wants turn control to be turn control
1950                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1951                                 {
1952                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1953                                         {
1954                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1955                                         }
1956                                         else
1957                                         {
1958                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1959                                         }
1960
1961                                 }
1962                         }
1963                         break;
1964
1965                 case AxisLook:
1966                         if (mouselook)
1967                         {
1968                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1969                                 {
1970                                         // pitch movement detected and pitch movement desired by user
1971                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1972                                         {
1973                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1974                                         }
1975                                         else
1976                                         {
1977                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1978                                         }
1979                                         V_StopPitchDrift();
1980                                 }
1981                                 else
1982                                 {
1983                                         // no pitch movement
1984                                         // disable pitch return-to-center unless requested by user
1985                                         // *** this code can be removed when the lookspring bug is fixed
1986                                         // *** the bug always has the lookspring feature on
1987                                         if(lookspring.integer == 0)
1988                                                 V_StopPitchDrift();
1989                                 }
1990                         }
1991                         break;
1992
1993                 default:
1994                         break;
1995                 }
1996         }
1997 }
1998