handle funky ToAscii values (shift/ctrl/alt sometimes produce ascii values for no...
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include "winquake.h"
24 #include "resource.h"
25 #include <commctrl.h>
26
27 // Tell startup code that we have a client
28 int cl_available = true;
29
30 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
31 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
32 //int (WINAPI *qwglGetPixelFormat)(HDC);
33 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
34 BOOL (WINAPI *qwglSwapBuffers)(HDC);
35 HGLRC (WINAPI *qwglCreateContext)(HDC);
36 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
37 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
38 HDC (WINAPI *qwglGetCurrentDC)(VOID);
39 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
40 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
41 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
42 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
43
44 static dllfunction_t wglfuncs[] =
45 {
46         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
47         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
48 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
49         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
50         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
51         {"wglCreateContext", (void **) &qwglCreateContext},
52         {"wglDeleteContext", (void **) &qwglDeleteContext},
53         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
54         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
55         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
56         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
57         {NULL, NULL}
58 };
59
60 static dllfunction_t wglswapintervalfuncs[] =
61 {
62         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
63         {NULL, NULL}
64 };
65
66 qboolean scr_skipupdate;
67
68 static DEVMODE gdevmode;
69 static qboolean vid_initialized = false;
70 static qboolean vid_wassuspended = false;
71 static int vid_usingmouse;
72 extern qboolean mouseactive;  // from in_win.c
73 static HICON hIcon;
74
75 HWND mainwindow;
76
77 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
78
79 static int vid_isfullscreen;
80
81 //void VID_MenuDraw (void);
82 //void VID_MenuKey (int key);
83
84 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
85 //void AppActivate(BOOL fActive, BOOL minimize);
86 //void ClearAllStates (void);
87 //void VID_UpdateWindowStatus (void);
88
89 //====================================
90
91 int window_x, window_y, window_width, window_height;
92 int window_center_x, window_center_y;
93
94 void IN_ShowMouse (void);
95 void IN_DeactivateMouse (void);
96 void IN_HideMouse (void);
97 void IN_ActivateMouse (void);
98 void IN_MouseEvent (int mstate);
99 void IN_UpdateClipCursor (void);
100
101 qboolean mouseinitialized;
102 static qboolean dinput;
103
104 // input code
105
106 #include <dinput.h>
107
108 #define DINPUT_BUFFERSIZE           16
109 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
110
111 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
112         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
113
114 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
115 /* backslash :: imouse explorer buttons */
116 /* These are #ifdefed out for non-Win2K in the February 2001 version of
117    MS's platform SDK, but we need them for compilation. . . */
118 #ifndef WM_XBUTTONDOWN
119    #define WM_XBUTTONDOWN      0x020B
120    #define WM_XBUTTONUP      0x020C
121 #endif
122 #ifndef MK_XBUTTON1
123    #define MK_XBUTTON1         0x0020
124    #define MK_XBUTTON2         0x0040
125 // LordHavoc: lets hope this allows more buttons in the future...
126    #define MK_XBUTTON3         0x0080
127    #define MK_XBUTTON4         0x0100
128    #define MK_XBUTTON5         0x0200
129    #define MK_XBUTTON6         0x0400
130    #define MK_XBUTTON7         0x0800
131 #endif
132 /* :: backslash */
133
134 // mouse variables
135 int                     mouse_buttons;
136 int                     mouse_oldbuttonstate;
137 POINT           current_pos;
138 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
139
140 static qboolean restore_spi;
141 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
142
143 unsigned int uiWheelMessage;
144 qboolean        mouseactive;
145 //qboolean              mouseinitialized;
146 static qboolean mouseparmsvalid, mouseactivatetoggle;
147 static qboolean mouseshowtoggle = 1;
148 static qboolean dinput_acquired;
149
150 static unsigned int             mstate_di;
151
152 // joystick defines and variables
153 // where should defines be moved?
154 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
155 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
156 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
157 #define JOY_AXIS_X                      0
158 #define JOY_AXIS_Y                      1
159 #define JOY_AXIS_Z                      2
160 #define JOY_AXIS_R                      3
161 #define JOY_AXIS_U                      4
162 #define JOY_AXIS_V                      5
163
164 enum _ControlList
165 {
166         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
167 };
168
169 DWORD   dwAxisFlags[JOY_MAX_AXES] =
170 {
171         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
172 };
173
174 DWORD   dwAxisMap[JOY_MAX_AXES];
175 DWORD   dwControlMap[JOY_MAX_AXES];
176 PDWORD  pdwRawValue[JOY_MAX_AXES];
177
178 // none of these cvars are saved over a session
179 // this means that advanced controller configuration needs to be executed
180 // each time.  this avoids any problems with getting back to a default usage
181 // or when changing from one controller to another.  this way at least something
182 // works.
183 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
184 cvar_t  joy_name = {0, "joyname", "joystick"};
185 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
186 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
187 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
188 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
189 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
190 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
191 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
192 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
193 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
194 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
195 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
196 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
197 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
198 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
199 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
200 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
201 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
202
203 qboolean        joy_avail, joy_advancedinit, joy_haspov;
204 DWORD           joy_oldbuttonstate, joy_oldpovstate;
205
206 int                     joy_id;
207 DWORD           joy_flags;
208 DWORD           joy_numbuttons;
209
210 static LPDIRECTINPUT            g_pdi;
211 static LPDIRECTINPUTDEVICE      g_pMouse;
212
213 static JOYINFOEX        ji;
214
215 static HINSTANCE hInstDI;
216
217 //static qboolean       dinput;
218
219 typedef struct MYDATA {
220         LONG  lX;                   // X axis goes here
221         LONG  lY;                   // Y axis goes here
222         LONG  lZ;                   // Z axis goes here
223         BYTE  bButtonA;             // One button goes here
224         BYTE  bButtonB;             // Another button goes here
225         BYTE  bButtonC;             // Another button goes here
226         BYTE  bButtonD;             // Another button goes here
227 } MYDATA;
228
229 static DIOBJECTDATAFORMAT rgodf[] = {
230   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
231   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
232   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
233   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
234   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
235   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
236   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
237 };
238
239 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
240
241 static DIDATAFORMAT     df = {
242         sizeof(DIDATAFORMAT),       // this structure
243         sizeof(DIOBJECTDATAFORMAT), // size of object data format
244         DIDF_RELAXIS,               // absolute axis coordinates
245         sizeof(MYDATA),             // device data size
246         NUM_OBJECTS,                // number of objects
247         rgodf,                      // and here they are
248 };
249
250 // forward-referenced functions
251 void IN_StartupJoystick (void);
252 void Joy_AdvancedUpdate_f (void);
253 void IN_JoyMove (usercmd_t *cmd);
254 void IN_StartupMouse (void);
255
256 /*
257 ================
258 VID_UpdateWindowStatus
259 ================
260 */
261 void VID_UpdateWindowStatus (void)
262 {
263         window_center_x = window_x + window_width / 2;
264         window_center_y = window_y + window_height / 2;
265
266         if (mouseinitialized && mouseactive && !dinput)
267         {
268                 RECT window_rect;
269                 window_rect.left = window_x;
270                 window_rect.top = window_y;
271                 window_rect.right = window_x + window_width;
272                 window_rect.bottom = window_y + window_height;
273                 ClipCursor (&window_rect);
274         }
275 }
276
277
278 //====================================
279
280 /*
281 =================
282 VID_GetWindowSize
283 =================
284 */
285 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
286 {
287         *x = 0;
288         *y = 0;
289         *width = window_width;
290         *height = window_height;
291 }
292
293
294 void VID_Finish (void)
295 {
296         HDC hdc;
297         int vid_usemouse;
298         if (r_render.integer && !scr_skipupdate)
299         {
300                 qglFinish();
301                 hdc = GetDC(mainwindow);
302                 SwapBuffers(hdc);
303                 ReleaseDC(mainwindow, hdc);
304         }
305
306 // handle the mouse state when windowed if that's changed
307         vid_usemouse = false;
308         if (vid_mouse.integer && !key_consoleactive)
309                 vid_usemouse = true;
310         if (vid_isfullscreen)
311                 vid_usemouse = true;
312         if (!vid_activewindow)
313                 vid_usemouse = false;
314         if (vid_usemouse)
315         {
316                 if (!vid_usingmouse)
317                 {
318                         vid_usingmouse = true;
319                         IN_ActivateMouse ();
320                         IN_HideMouse();
321                 }
322         }
323         else
324         {
325                 if (vid_usingmouse)
326                 {
327                         vid_usingmouse = false;
328                         IN_DeactivateMouse ();
329                         IN_ShowMouse();
330                 }
331         }
332 }
333
334 //==========================================================================
335
336
337
338
339 qbyte scantokey[128] =
340 {
341 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
342         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
343         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
344         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
345         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
346         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
347         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
348         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
349         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
350 };
351
352
353 /*
354 =======
355 MapKey
356
357 Map from windows to quake keynums
358 =======
359 */
360 int MapKey (int key, int virtualkey)
361 {
362         int result;
363         int modified = (key >> 16) & 255;
364         qboolean is_extended = false;
365
366         if (modified < 128 && scantokey[modified])
367                 result = scantokey[modified];
368         else
369         {
370                 result = 0;
371                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
372         }
373
374         if (key & (1 << 24))
375                 is_extended = true;
376
377         if ( !is_extended )
378         {
379                 switch ( result )
380                 {
381                 case K_HOME:
382                         return K_KP_HOME;
383                 case K_UPARROW:
384                         return K_KP_UPARROW;
385                 case K_PGUP:
386                         return K_KP_PGUP;
387                 case K_LEFTARROW:
388                         return K_KP_LEFTARROW;
389                 case K_RIGHTARROW:
390                         return K_KP_RIGHTARROW;
391                 case K_END:
392                         return K_KP_END;
393                 case K_DOWNARROW:
394                         return K_KP_DOWNARROW;
395                 case K_PGDN:
396                         return K_KP_PGDN;
397                 case K_INS:
398                         return K_KP_INS;
399                 case K_DEL:
400                         return K_KP_DEL;
401                 default:
402                         return result;
403                 }
404         }
405         else
406         {
407                 switch ( result )
408                 {
409                 case 0x0D:
410                         return K_KP_ENTER;
411                 case 0x2F:
412                         return K_KP_SLASH;
413                 case 0xAF:
414                         return K_KP_PLUS;
415                 }
416                 return result;
417         }
418 }
419
420 /*
421 ===================================================================
422
423 MAIN WINDOW
424
425 ===================================================================
426 */
427
428 /*
429 ================
430 ClearAllStates
431 ================
432 */
433 void ClearAllStates (void)
434 {
435         Key_ClearStates ();
436         IN_ClearStates ();
437 }
438
439 extern qboolean host_loopactive;
440
441 void AppActivate(BOOL fActive, BOOL minimize)
442 /****************************************************************************
443 *
444 * Function:     AppActivate
445 * Parameters:   fActive - True if app is activating
446 *
447 * Description:  If the application is activating, then swap the system
448 *               into SYSPAL_NOSTATIC mode so that our palettes will display
449 *               correctly.
450 *
451 ****************************************************************************/
452 {
453         static BOOL     sound_active;
454
455         vid_activewindow = fActive;
456         vid_hidden = minimize;
457
458 // enable/disable sound on focus gain/loss
459         if (!vid_activewindow && sound_active)
460         {
461                 S_BlockSound ();
462                 sound_active = false;
463         }
464         else if (vid_activewindow && !sound_active)
465         {
466                 S_UnblockSound ();
467                 sound_active = true;
468         }
469
470         if (fActive)
471         {
472                 if (vid_isfullscreen)
473                 {
474                         if (vid_wassuspended)
475                         {
476                                 vid_wassuspended = false;
477                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
478                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
479                         }
480
481                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
482                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
483                 }
484         }
485
486         if (!fActive)
487         {
488                 vid_usingmouse = false;
489                 IN_DeactivateMouse ();
490                 IN_ShowMouse ();
491                 if (vid_isfullscreen)
492                 {
493                         ChangeDisplaySettings (NULL, 0);
494                         vid_wassuspended = true;
495                 }
496                 VID_RestoreSystemGamma();
497         }
498 }
499
500 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
501
502 /* main window procedure */
503 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
504 {
505         LONG    lRet = 1;
506         int             fActive, fMinimized, temp;
507         char    state[256];
508         char    asciichar[4];
509         int             vkey;
510         qboolean down = false;
511
512         extern unsigned int uiWheelMessage;
513
514         if ( uMsg == uiWheelMessage )
515                 uMsg = WM_MOUSEWHEEL;
516
517         switch (uMsg)
518         {
519                 case WM_KILLFOCUS:
520                         if (vid_isfullscreen)
521                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
522                         break;
523
524                 case WM_CREATE:
525                         break;
526
527                 case WM_MOVE:
528                         window_x = (int) LOWORD(lParam);
529                         window_y = (int) HIWORD(lParam);
530                         VID_UpdateWindowStatus ();
531                         break;
532         
533                 case WM_KEYDOWN:
534                 case WM_SYSKEYDOWN:
535                         down = true;
536                 case WM_KEYUP:
537                 case WM_SYSKEYUP:
538                         vkey = MapKey(lParam, wParam);
539                         GetKeyboardState (state);
540                         // alt/ctrl/shift tend to produce funky ToAscii values,
541                         // and if it's not a single character we don't know care about it
542                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, asciichar, 0) != 1)
543                                 asciichar[0] = 0;
544                         Key_Event (vkey, asciichar[0], down);
545                         break;
546
547                 case WM_SYSCHAR:
548                 // keep Alt-Space from happening
549                         break;
550
551         // this is complicated because Win32 seems to pack multiple mouse events into
552         // one update sometimes, so we always check all states and look for events
553                 case WM_LBUTTONDOWN:
554                 case WM_LBUTTONUP:
555                 case WM_RBUTTONDOWN:
556                 case WM_RBUTTONUP:
557                 case WM_MBUTTONDOWN:
558                 case WM_MBUTTONUP:
559                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
560                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
561                 case WM_MOUSEMOVE:
562                         temp = 0;
563
564                         if (wParam & MK_LBUTTON)
565                                 temp |= 1;
566
567                         if (wParam & MK_RBUTTON)
568                                 temp |= 2;
569
570                         if (wParam & MK_MBUTTON)
571                                 temp |= 4;
572
573                         /* backslash :: imouse explorer buttons */
574                         if (wParam & MK_XBUTTON1)
575                                 temp |= 8;
576
577                         if (wParam & MK_XBUTTON2)
578                                 temp |= 16;
579                         /* :: backslash */
580
581                         // LordHavoc: lets hope this allows more buttons in the future...
582                         if (wParam & MK_XBUTTON3)
583                                 temp |= 32;
584                         if (wParam & MK_XBUTTON4)
585                                 temp |= 64;
586                         if (wParam & MK_XBUTTON5)
587                                 temp |= 128;
588                         if (wParam & MK_XBUTTON6)
589                                 temp |= 256;
590                         if (wParam & MK_XBUTTON7)
591                                 temp |= 512;
592
593                         IN_MouseEvent (temp);
594
595                         break;
596
597                 // JACK: This is the mouse wheel with the Intellimouse
598                 // Its delta is either positive or neg, and we generate the proper
599                 // Event.
600                 case WM_MOUSEWHEEL:
601                         if ((short) HIWORD(wParam) > 0) {
602                                 Key_Event(K_MWHEELUP, 0, true);
603                                 Key_Event(K_MWHEELUP, 0, false);
604                         } else {
605                                 Key_Event(K_MWHEELDOWN, 0, true);
606                                 Key_Event(K_MWHEELDOWN, 0, false);
607                         }
608                         break;
609
610                 case WM_SIZE:
611                         break;
612
613                 case WM_CLOSE:
614                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
615                                 Sys_Quit ();
616
617                         break;
618
619                 case WM_ACTIVATE:
620                         fActive = LOWORD(wParam);
621                         fMinimized = (BOOL) HIWORD(wParam);
622                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
623
624                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
625                         ClearAllStates ();
626
627                         break;
628
629                 //case WM_DESTROY:
630                 //      PostQuitMessage (0);
631                 //      break;
632
633                 case MM_MCINOTIFY:
634                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
635                         break;
636
637                 default:
638                         /* pass all unhandled messages to DefWindowProc */
639                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
640                 break;
641         }
642
643         /* return 1 if handled message, 0 if not */
644         return lRet;
645 }
646
647 int VID_SetGamma(unsigned short *ramps)
648 {
649         HDC hdc = GetDC (NULL);
650         int i = SetDeviceGammaRamp(hdc, ramps);
651         ReleaseDC (NULL, hdc);
652         return i; // return success or failure
653 }
654
655 int VID_GetGamma(unsigned short *ramps)
656 {
657         HDC hdc = GetDC (NULL);
658         int i = GetDeviceGammaRamp(hdc, ramps);
659         ReleaseDC (NULL, hdc);
660         return i; // return success or failure
661 }
662
663 static HINSTANCE gldll;
664
665 int GL_OpenLibrary(const char *name)
666 {
667         Con_Printf("Loading OpenGL driver %s\n", name);
668         GL_CloseLibrary();
669         if (!(gldll = LoadLibrary(name)))
670         {
671                 Con_Printf("Unable to LoadLibrary %s\n", name);
672                 return false;
673         }
674         strcpy(gl_driver, name);
675         return true;
676 }
677
678 void GL_CloseLibrary(void)
679 {
680         FreeLibrary(gldll);
681         gldll = 0;
682         gl_driver[0] = 0;
683         qwglGetProcAddress = NULL;
684         gl_extensions = "";
685         gl_platform = "";
686         gl_platformextensions = "";
687 }
688
689 void *GL_GetProcAddress(const char *name)
690 {
691         void *p = NULL;
692         if (qwglGetProcAddress != NULL)
693                 p = (void *) qwglGetProcAddress(name);
694         if (p == NULL)
695                 p = (void *) GetProcAddress(gldll, name);
696         return p;
697 }
698
699 static void IN_Init(void);
700 void VID_Init(void)
701 {
702         WNDCLASS wc;
703
704         InitCommonControls();
705         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
706
707         // Register the frame class
708         wc.style         = 0;
709         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
710         wc.cbClsExtra    = 0;
711         wc.cbWndExtra    = 0;
712         wc.hInstance     = global_hInstance;
713         wc.hIcon         = 0;
714         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
715         wc.hbrBackground = NULL;
716         wc.lpszMenuName  = 0;
717         wc.lpszClassName = "DarkPlacesWindowClass";
718
719         if (!RegisterClass (&wc))
720                 Sys_Error("Couldn't register window class\n");
721
722         IN_Init();
723 }
724
725 int VID_InitMode (int fullscreen, int width, int height, int bpp)
726 {
727         int i;
728         HDC hdc;
729         RECT rect;
730         MSG msg;
731         PIXELFORMATDESCRIPTOR pfd =
732         {
733                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
734                 1,                              // version number
735                 PFD_DRAW_TO_WINDOW              // support window
736                 |  PFD_SUPPORT_OPENGL   // support OpenGL
737                 |  PFD_DOUBLEBUFFER ,   // double buffered
738                 PFD_TYPE_RGBA,                  // RGBA type
739                 24,                             // 24-bit color depth
740                 0, 0, 0, 0, 0, 0,               // color bits ignored
741                 0,                              // no alpha buffer
742                 0,                              // shift bit ignored
743                 0,                              // no accumulation buffer
744                 0, 0, 0, 0,                     // accum bits ignored
745                 32,                             // 32-bit z-buffer
746                 0,                              // no stencil buffer
747                 0,                              // no auxiliary buffer
748                 PFD_MAIN_PLANE,                 // main layer
749                 0,                              // reserved
750                 0, 0, 0                         // layer masks ignored
751         };
752         int pixelformat;
753         DWORD WindowStyle, ExWindowStyle;
754         HGLRC baseRC;
755         int CenterX, CenterY;
756         const char *gldrivername;
757         int depth;
758
759         if (vid_initialized)
760                 Sys_Error("VID_InitMode called when video is already initialised\n");
761
762         // if stencil is enabled, ask for alpha too
763         if (bpp >= 32)
764         {
765                 pfd.cStencilBits = 8;
766                 pfd.cAlphaBits = 8;
767         }
768         else
769         {
770                 pfd.cStencilBits = 0;
771                 pfd.cAlphaBits = 0;
772         }
773
774         gldrivername = "opengl32.dll";
775         i = COM_CheckParm("-gl_driver");
776         if (i && i < com_argc - 1)
777                 gldrivername = com_argv[i + 1];
778         if (!GL_OpenLibrary(gldrivername))
779         {
780                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
781                 return false;
782         }
783
784         memset(&gdevmode, 0, sizeof(gdevmode));
785
786         vid_isfullscreen = false;
787         if (fullscreen)
788         {
789                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
790                 gdevmode.dmBitsPerPel = bpp;
791                 gdevmode.dmPelsWidth = width;
792                 gdevmode.dmPelsHeight = height;
793                 gdevmode.dmSize = sizeof (gdevmode);
794                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
795                 {
796                         VID_Shutdown();
797                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
798                         return false;
799                 }
800
801                 vid_isfullscreen = true;
802                 WindowStyle = WS_POPUP;
803                 ExWindowStyle = WS_EX_TOPMOST;
804         }
805         else
806         {
807                 hdc = GetDC (NULL);
808                 i = GetDeviceCaps(hdc, RASTERCAPS);
809                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
810                 ReleaseDC (NULL, hdc);
811                 if (i & RC_PALETTE)
812                 {
813                         VID_Shutdown();
814                         Con_Printf ("Can't run in non-RGB mode\n");
815                         return false;
816                 }
817                 if (bpp > depth)
818                 {
819                         VID_Shutdown();
820                         Con_Printf ("A higher desktop depth is required to run this video mode\n");
821                         return false;
822                 }
823
824                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
825                 ExWindowStyle = 0;
826         }
827
828         rect.top = 0;
829         rect.left = 0;
830         rect.right = width;
831         rect.bottom = height;
832         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
833
834         if (fullscreen)
835         {
836                 CenterX = 0;
837                 CenterY = 0;
838         }
839         else
840         {
841                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
842                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
843         }
844         CenterX = max(0, CenterX);
845         CenterY = max(0, CenterY);
846
847         // x and y may be changed by WM_MOVE messages
848         window_x = CenterX;
849         window_y = CenterY;
850         window_width = width;
851         window_height = height;
852         rect.left += CenterX;
853         rect.right += CenterX;
854         rect.top += CenterY;
855         rect.bottom += CenterY;
856
857         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
858         if (!mainwindow)
859         {
860                 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);
861                 VID_Shutdown();
862                 return false;
863         }
864
865         /*
866         if (!fullscreen)
867                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
868         */
869
870         ShowWindow (mainwindow, SW_SHOWDEFAULT);
871         UpdateWindow (mainwindow);
872
873         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
874         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
875
876         VID_UpdateWindowStatus ();
877
878         // now we try to make sure we get the focus on the mode switch, because
879         // sometimes in some systems we don't.  We grab the foreground, then
880         // finish setting up, pump all our messages, and sleep for a little while
881         // to let messages finish bouncing around the system, then we put
882         // ourselves at the top of the z order, then grab the foreground again,
883         // Who knows if it helps, but it probably doesn't hurt
884         SetForegroundWindow (mainwindow);
885
886         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
887         {
888                 TranslateMessage (&msg);
889                 DispatchMessage (&msg);
890         }
891
892         Sleep (100);
893
894         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
895
896         SetForegroundWindow (mainwindow);
897
898         // fix the leftover Alt from any Alt-Tab or the like that switched us away
899         ClearAllStates ();
900
901         hdc = GetDC(mainwindow);
902
903         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
904         {
905                 VID_Shutdown();
906                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
907                 return false;
908         }
909
910         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
911         {
912                 VID_Shutdown();
913                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
914                 return false;
915         }
916
917         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
918         {
919                 VID_Shutdown();
920                 Con_Printf("wgl functions not found\n");
921                 return false;
922         }
923
924         baseRC = qwglCreateContext(hdc);
925         if (!baseRC)
926         {
927                 VID_Shutdown();
928                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
929                 return false;
930         }
931         if (!qwglMakeCurrent(hdc, baseRC))
932         {
933                 VID_Shutdown();
934                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
935                 return false;
936         }
937
938         qglGetString = GL_GetProcAddress("glGetString");
939         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
940         if (qglGetString == NULL)
941         {
942                 VID_Shutdown();
943                 Con_Printf("glGetString not found\n");
944                 return false;
945         }
946         gl_renderer = qglGetString(GL_RENDERER);
947         gl_vendor = qglGetString(GL_VENDOR);
948         gl_version = qglGetString(GL_VERSION);
949         gl_extensions = qglGetString(GL_EXTENSIONS);
950         gl_platform = "WGL";
951         gl_platformextensions = "";
952
953         if (qwglGetExtensionsStringARB)
954                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
955
956         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
957         ReleaseDC(mainwindow, hdc);
958
959         GL_Init ();
960
961         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
962         if (strncasecmp(gl_vendor,"ATI",3)==0)
963         {
964                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
965                         isRagePro = true;
966         }
967         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
968                 isG200 = true;
969
970         //vid_menudrawfn = VID_MenuDraw;
971         //vid_menukeyfn = VID_MenuKey;
972         vid_hidden = false;
973         vid_initialized = true;
974
975         IN_StartupMouse ();
976         IN_StartupJoystick ();
977
978         return true;
979 }
980
981 static void IN_Shutdown(void);
982 void VID_Shutdown (void)
983 {
984         HGLRC hRC = 0;
985         HDC hDC = 0;
986
987         if(vid_initialized == false)
988                 return;
989
990         VID_RestoreSystemGamma();
991
992         vid_initialized = false;
993         IN_Shutdown();
994         if (qwglGetCurrentContext)
995                 hRC = qwglGetCurrentContext();
996         if (qwglGetCurrentDC)
997                 hDC = qwglGetCurrentDC();
998         if (qwglMakeCurrent)
999                 qwglMakeCurrent(NULL, NULL);
1000         if (hRC && qwglDeleteContext)
1001                 qwglDeleteContext(hRC);
1002         // close the library before we get rid of the window
1003         GL_CloseLibrary();
1004         if (hDC && mainwindow)
1005                 ReleaseDC(mainwindow, hDC);
1006         AppActivate(false, false);
1007         if (mainwindow)
1008                 DestroyWindow(mainwindow);
1009         mainwindow = 0;
1010         if (vid_isfullscreen)
1011                 ChangeDisplaySettings (NULL, 0);
1012         vid_isfullscreen = false;
1013 }
1014
1015
1016 /*
1017 ===========
1018 IN_ShowMouse
1019 ===========
1020 */
1021 void IN_ShowMouse (void)
1022 {
1023         if (!mouseshowtoggle)
1024         {
1025                 ShowCursor (true);
1026                 mouseshowtoggle = 1;
1027         }
1028 }
1029
1030
1031 /*
1032 ===========
1033 IN_HideMouse
1034 ===========
1035 */
1036 void IN_HideMouse (void)
1037 {
1038         if (mouseshowtoggle)
1039         {
1040                 ShowCursor (false);
1041                 mouseshowtoggle = 0;
1042         }
1043 }
1044
1045
1046 /*
1047 ===========
1048 IN_ActivateMouse
1049 ===========
1050 */
1051 void IN_ActivateMouse (void)
1052 {
1053
1054         mouseactivatetoggle = true;
1055
1056         if (mouseinitialized)
1057         {
1058                 if (dinput)
1059                 {
1060                         if (g_pMouse)
1061                         {
1062                                 if (!dinput_acquired)
1063                                 {
1064                                         IDirectInputDevice_Acquire(g_pMouse);
1065                                         dinput_acquired = true;
1066                                 }
1067                         }
1068                         else
1069                         {
1070                                 return;
1071                         }
1072                 }
1073                 else
1074                 {
1075                         RECT window_rect;
1076                         window_rect.left = window_x;
1077                         window_rect.top = window_y;
1078                         window_rect.right = window_x + window_width;
1079                         window_rect.bottom = window_y + window_height;
1080
1081                         if (mouseparmsvalid)
1082                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1083
1084                         SetCursorPos (window_center_x, window_center_y);
1085                         SetCapture (mainwindow);
1086                         ClipCursor (&window_rect);
1087                 }
1088
1089                 mouseactive = true;
1090         }
1091 }
1092
1093
1094 /*
1095 ===========
1096 IN_DeactivateMouse
1097 ===========
1098 */
1099 void IN_DeactivateMouse (void)
1100 {
1101
1102         mouseactivatetoggle = false;
1103
1104         if (mouseinitialized)
1105         {
1106                 if (dinput)
1107                 {
1108                         if (g_pMouse)
1109                         {
1110                                 if (dinput_acquired)
1111                                 {
1112                                         IDirectInputDevice_Unacquire(g_pMouse);
1113                                         dinput_acquired = false;
1114                                 }
1115                         }
1116                 }
1117                 else
1118                 {
1119                         if (restore_spi)
1120                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1121
1122                         ClipCursor (NULL);
1123                         ReleaseCapture ();
1124                 }
1125
1126                 mouseactive = false;
1127         }
1128 }
1129
1130
1131 /*
1132 ===========
1133 IN_InitDInput
1134 ===========
1135 */
1136 qboolean IN_InitDInput (void)
1137 {
1138     HRESULT             hr;
1139         DIPROPDWORD     dipdw = {
1140                 {
1141                         sizeof(DIPROPDWORD),        // diph.dwSize
1142                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1143                         0,                          // diph.dwObj
1144                         DIPH_DEVICE,                // diph.dwHow
1145                 },
1146                 DINPUT_BUFFERSIZE,              // dwData
1147         };
1148
1149         if (!hInstDI)
1150         {
1151                 hInstDI = LoadLibrary("dinput.dll");
1152
1153                 if (hInstDI == NULL)
1154                 {
1155                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1156                         return false;
1157                 }
1158         }
1159
1160         if (!pDirectInputCreate)
1161         {
1162                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1163
1164                 if (!pDirectInputCreate)
1165                 {
1166                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1167                         return false;
1168                 }
1169         }
1170
1171 // register with DirectInput and get an IDirectInput to play with.
1172         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1173
1174         if (FAILED(hr))
1175         {
1176                 return false;
1177         }
1178
1179 // obtain an interface to the system mouse device.
1180         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1181
1182         if (FAILED(hr))
1183         {
1184                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1185                 return false;
1186         }
1187
1188 // set the data format to "mouse format".
1189         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1190
1191         if (FAILED(hr))
1192         {
1193                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1194                 return false;
1195         }
1196
1197 // set the cooperativity level.
1198         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1199                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1200
1201         if (FAILED(hr))
1202         {
1203                 Con_SafePrintf ("Couldn't set DI coop level\n");
1204                 return false;
1205         }
1206
1207
1208 // set the buffer size to DINPUT_BUFFERSIZE elements.
1209 // the buffer size is a DWORD property associated with the device
1210         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1211
1212         if (FAILED(hr))
1213         {
1214                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1215                 return false;
1216         }
1217
1218         return true;
1219 }
1220
1221
1222 /*
1223 ===========
1224 IN_StartupMouse
1225 ===========
1226 */
1227 void IN_StartupMouse (void)
1228 {
1229         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1230                 return;
1231
1232         mouseinitialized = true;
1233
1234         if (COM_CheckParm ("-dinput"))
1235         {
1236                 dinput = IN_InitDInput ();
1237
1238                 if (dinput)
1239                 {
1240                         Con_SafePrintf ("DirectInput initialized\n");
1241                 }
1242                 else
1243                 {
1244                         Con_SafePrintf ("DirectInput not initialized\n");
1245                 }
1246         }
1247
1248         if (!dinput)
1249         {
1250                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1251
1252                 if (mouseparmsvalid)
1253                 {
1254                         if ( COM_CheckParm ("-noforcemspd") )
1255                                 newmouseparms[2] = originalmouseparms[2];
1256
1257                         if ( COM_CheckParm ("-noforcemaccel") )
1258                         {
1259                                 newmouseparms[0] = originalmouseparms[0];
1260                                 newmouseparms[1] = originalmouseparms[1];
1261                         }
1262
1263                         if ( COM_CheckParm ("-noforcemparms") )
1264                         {
1265                                 newmouseparms[0] = originalmouseparms[0];
1266                                 newmouseparms[1] = originalmouseparms[1];
1267                                 newmouseparms[2] = originalmouseparms[2];
1268                         }
1269                 }
1270         }
1271
1272         mouse_buttons = 10;
1273
1274 // if a fullscreen video mode was set before the mouse was initialized,
1275 // set the mouse state appropriately
1276         if (mouseactivatetoggle)
1277                 IN_ActivateMouse ();
1278 }
1279
1280
1281 /*
1282 ===========
1283 IN_MouseEvent
1284 ===========
1285 */
1286 void IN_MouseEvent (int mstate)
1287 {
1288         int     i;
1289
1290         if (mouseactive && !dinput)
1291         {
1292         // perform button actions
1293                 for (i=0 ; i<mouse_buttons ; i++)
1294                 {
1295                         if ( (mstate & (1<<i)) &&
1296                                 !(mouse_oldbuttonstate & (1<<i)) )
1297                         {
1298                                 Key_Event (K_MOUSE1 + i, 0, true);
1299                         }
1300
1301                         if ( !(mstate & (1<<i)) &&
1302                                 (mouse_oldbuttonstate & (1<<i)) )
1303                         {
1304                                 Key_Event (K_MOUSE1 + i, 0, false);
1305                         }
1306                 }
1307
1308                 mouse_oldbuttonstate = mstate;
1309         }
1310 }
1311
1312
1313 /*
1314 ===========
1315 IN_MouseMove
1316 ===========
1317 */
1318 void IN_MouseMove (usercmd_t *cmd)
1319 {
1320         int                                     i, mx, my;
1321         DIDEVICEOBJECTDATA      od;
1322         DWORD                           dwElements;
1323         HRESULT                         hr;
1324
1325         if (!mouseactive)
1326         {
1327                 GetCursorPos (&current_pos);
1328                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1329                 in_mouse_x = in_mouse_y = 0;
1330                 return;
1331         }
1332
1333         if (dinput)
1334         {
1335                 mx = 0;
1336                 my = 0;
1337
1338                 for (;;)
1339                 {
1340                         dwElements = 1;
1341
1342                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1343                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1344
1345                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1346                         {
1347                                 dinput_acquired = true;
1348                                 IDirectInputDevice_Acquire(g_pMouse);
1349                                 break;
1350                         }
1351
1352                         /* Unable to read data or no data available */
1353                         if (FAILED(hr) || dwElements == 0)
1354                                 break;
1355
1356                         /* Look at the element to see what happened */
1357
1358                         switch (od.dwOfs)
1359                         {
1360                                 case DIMOFS_X:
1361                                         mx += od.dwData;
1362                                         break;
1363
1364                                 case DIMOFS_Y:
1365                                         my += od.dwData;
1366                                         break;
1367
1368                                 case DIMOFS_BUTTON0:
1369                                         if (od.dwData & 0x80)
1370                                                 mstate_di |= 1;
1371                                         else
1372                                                 mstate_di &= ~1;
1373                                         break;
1374
1375                                 case DIMOFS_BUTTON1:
1376                                         if (od.dwData & 0x80)
1377                                                 mstate_di |= (1<<1);
1378                                         else
1379                                                 mstate_di &= ~(1<<1);
1380                                         break;
1381
1382                                 case DIMOFS_BUTTON2:
1383                                         if (od.dwData & 0x80)
1384                                                 mstate_di |= (1<<2);
1385                                         else
1386                                                 mstate_di &= ~(1<<2);
1387                                         break;
1388                         }
1389                 }
1390
1391         // perform button actions
1392                 for (i=0 ; i<mouse_buttons ; i++)
1393                 {
1394                         if ( (mstate_di & (1<<i)) &&
1395                                 !(mouse_oldbuttonstate & (1<<i)) )
1396                         {
1397                                 Key_Event (K_MOUSE1 + i, 0, true);
1398                         }
1399
1400                         if ( !(mstate_di & (1<<i)) &&
1401                                 (mouse_oldbuttonstate & (1<<i)) )
1402                         {
1403                                 Key_Event (K_MOUSE1 + i, 0, false);
1404                         }
1405                 }
1406
1407                 mouse_oldbuttonstate = mstate_di;
1408         }
1409         else
1410         {
1411                 GetCursorPos (&current_pos);
1412                 mx = current_pos.x - window_center_x + mx_accum;
1413                 my = current_pos.y - window_center_y + my_accum;
1414                 mx_accum = 0;
1415                 my_accum = 0;
1416         }
1417
1418         IN_Mouse(cmd, mx, my);
1419
1420         // if the mouse has moved, force it to the center, so there's room to move
1421         if (!dinput && (mx || my))
1422                 SetCursorPos (window_center_x, window_center_y);
1423 }
1424
1425
1426 /*
1427 ===========
1428 IN_Move
1429 ===========
1430 */
1431 void IN_Move (usercmd_t *cmd)
1432 {
1433         if (vid_activewindow && !vid_hidden)
1434         {
1435                 IN_MouseMove (cmd);
1436                 IN_JoyMove (cmd);
1437         }
1438 }
1439
1440
1441 /*
1442 ===========
1443 IN_Accumulate
1444 ===========
1445 */
1446 void IN_Accumulate (void)
1447 {
1448         if (mouseactive)
1449         {
1450                 if (!dinput)
1451                 {
1452                         GetCursorPos (&current_pos);
1453
1454                         mx_accum += current_pos.x - window_center_x;
1455                         my_accum += current_pos.y - window_center_y;
1456
1457                 // force the mouse to the center, so there's room to move
1458                         SetCursorPos (window_center_x, window_center_y);
1459                 }
1460         }
1461 }
1462
1463
1464 /*
1465 ===================
1466 IN_ClearStates
1467 ===================
1468 */
1469 void IN_ClearStates (void)
1470 {
1471         if (mouseactive)
1472         {
1473                 mx_accum = 0;
1474                 my_accum = 0;
1475                 mouse_oldbuttonstate = 0;
1476         }
1477 }
1478
1479
1480 /*
1481 ===============
1482 IN_StartupJoystick
1483 ===============
1484 */
1485 void IN_StartupJoystick (void)
1486 {
1487         int                     numdevs;
1488         JOYCAPS         jc;
1489         MMRESULT        mmr;
1490         mmr = 0;
1491
1492         // assume no joystick
1493         joy_avail = false;
1494
1495         // abort startup if user requests no joystick
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_Printf ("\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_Printf ("\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 < 4) ? 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 < 4) ? 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 (usercmd_t *cmd)
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                                         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                                 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                                         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 }