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