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