Fixed 2 warnings found by MSVC6
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include "winquake.h"
24 #include "resource.h"
25 #include <commctrl.h>
26
27 int cl_available = true;
28
29 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
30 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
31 //int (WINAPI *qwglGetPixelFormat)(HDC);
32 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
33 BOOL (WINAPI *qwglSwapBuffers)(HDC);
34 HGLRC (WINAPI *qwglCreateContext)(HDC);
35 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
36 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
37 HDC (WINAPI *qwglGetCurrentDC)(VOID);
38 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
39 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
40 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
41 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
42
43 static dllfunction_t wglfuncs[] =
44 {
45         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
46         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
47 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
48         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
49         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
50         {"wglCreateContext", (void **) &qwglCreateContext},
51         {"wglDeleteContext", (void **) &qwglDeleteContext},
52         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
53         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
54         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
55         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
56         {NULL, NULL}
57 };
58
59 static dllfunction_t wglswapintervalfuncs[] =
60 {
61         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
62         {NULL, NULL}
63 };
64
65 qboolean scr_skipupdate;
66
67 static DEVMODE gdevmode;
68 static qboolean vid_initialized = false;
69 static qboolean vid_wassuspended = false;
70 static int vid_usingmouse;
71 extern qboolean mouseactive;  // from in_win.c
72 static HICON hIcon;
73
74 HWND mainwindow;
75
76 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
77
78 static int vid_isfullscreen;
79
80 //void VID_MenuDraw (void);
81 //void VID_MenuKey (int key);
82
83 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
84 //void AppActivate(BOOL fActive, BOOL minimize);
85 //void ClearAllStates (void);
86 //void VID_UpdateWindowStatus (void);
87
88 //====================================
89
90 int window_x, window_y, window_width, window_height;
91 int window_center_x, window_center_y;
92
93 void IN_ShowMouse (void);
94 void IN_DeactivateMouse (void);
95 void IN_HideMouse (void);
96 void IN_ActivateMouse (void);
97 void IN_MouseEvent (int mstate);
98 void IN_UpdateClipCursor (void);
99
100 qboolean mouseinitialized;
101 static qboolean dinput;
102
103 // input code
104
105 #include <dinput.h>
106
107 #define DINPUT_BUFFERSIZE           16
108 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
109
110 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
111         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
112
113 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
114 /* backslash :: imouse explorer buttons */
115 /* These are #ifdefed out for non-Win2K in the February 2001 version of
116    MS's platform SDK, but we need them for compilation. . . */
117 #ifndef WM_XBUTTONDOWN
118    #define WM_XBUTTONDOWN      0x020B
119    #define WM_XBUTTONUP      0x020C
120 #endif
121 #ifndef MK_XBUTTON1
122    #define MK_XBUTTON1         0x0020
123    #define MK_XBUTTON2         0x0040
124 // LordHavoc: lets hope this allows more buttons in the future...
125    #define MK_XBUTTON3         0x0080
126    #define MK_XBUTTON4         0x0100
127    #define MK_XBUTTON5         0x0200
128    #define MK_XBUTTON6         0x0400
129    #define MK_XBUTTON7         0x0800
130 #endif
131 /* :: backslash */
132
133 // mouse variables
134 int                     mouse_buttons;
135 int                     mouse_oldbuttonstate;
136 POINT           current_pos;
137 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
138
139 static qboolean restore_spi;
140 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
141
142 unsigned int uiWheelMessage;
143 qboolean        mouseactive;
144 //qboolean              mouseinitialized;
145 static qboolean mouseparmsvalid, mouseactivatetoggle;
146 static qboolean mouseshowtoggle = 1;
147 static qboolean dinput_acquired;
148
149 static unsigned int             mstate_di;
150
151 // joystick defines and variables
152 // where should defines be moved?
153 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
154 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
155 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
156 #define JOY_AXIS_X                      0
157 #define JOY_AXIS_Y                      1
158 #define JOY_AXIS_Z                      2
159 #define JOY_AXIS_R                      3
160 #define JOY_AXIS_U                      4
161 #define JOY_AXIS_V                      5
162
163 enum _ControlList
164 {
165         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
166 };
167
168 DWORD   dwAxisFlags[JOY_MAX_AXES] =
169 {
170         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
171 };
172
173 DWORD   dwAxisMap[JOY_MAX_AXES];
174 DWORD   dwControlMap[JOY_MAX_AXES];
175 PDWORD  pdwRawValue[JOY_MAX_AXES];
176
177 // none of these cvars are saved over a session
178 // this means that advanced controller configuration needs to be executed
179 // each time.  this avoids any problems with getting back to a default usage
180 // or when changing from one controller to another.  this way at least something
181 // works.
182 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
183 cvar_t  joy_name = {0, "joyname", "joystick"};
184 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
185 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
186 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
187 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
188 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
189 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
190 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
191 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
192 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
193 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
194 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
195 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
196 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
197 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
198 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
199 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
200 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
201
202 qboolean        joy_avail, joy_advancedinit, joy_haspov;
203 DWORD           joy_oldbuttonstate, joy_oldpovstate;
204
205 int                     joy_id;
206 DWORD           joy_flags;
207 DWORD           joy_numbuttons;
208
209 static LPDIRECTINPUT            g_pdi;
210 static LPDIRECTINPUTDEVICE      g_pMouse;
211
212 static JOYINFOEX        ji;
213
214 static HINSTANCE hInstDI;
215
216 //static qboolean       dinput;
217
218 typedef struct MYDATA {
219         LONG  lX;                   // X axis goes here
220         LONG  lY;                   // Y axis goes here
221         LONG  lZ;                   // Z axis goes here
222         BYTE  bButtonA;             // One button goes here
223         BYTE  bButtonB;             // Another button goes here
224         BYTE  bButtonC;             // Another button goes here
225         BYTE  bButtonD;             // Another button goes here
226 } MYDATA;
227
228 static DIOBJECTDATAFORMAT rgodf[] = {
229   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
230   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
231   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
232   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
233   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
234   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
235   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
236 };
237
238 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
239
240 static DIDATAFORMAT     df = {
241         sizeof(DIDATAFORMAT),       // this structure
242         sizeof(DIOBJECTDATAFORMAT), // size of object data format
243         DIDF_RELAXIS,               // absolute axis coordinates
244         sizeof(MYDATA),             // device data size
245         NUM_OBJECTS,                // number of objects
246         rgodf,                      // and here they are
247 };
248
249 // forward-referenced functions
250 void IN_StartupJoystick (void);
251 void Joy_AdvancedUpdate_f (void);
252 void IN_JoyMove (usercmd_t *cmd);
253 void IN_StartupMouse (void);
254
255 /*
256 ================
257 VID_UpdateWindowStatus
258 ================
259 */
260 void VID_UpdateWindowStatus (void)
261 {
262         window_center_x = window_x + window_width / 2;
263         window_center_y = window_y + window_height / 2;
264
265         if (mouseinitialized && mouseactive && !dinput)
266         {
267                 RECT window_rect;
268                 window_rect.left = window_x;
269                 window_rect.top = window_y;
270                 window_rect.right = window_x + window_width;
271                 window_rect.bottom = window_y + window_height;
272                 ClipCursor (&window_rect);
273         }
274 }
275
276
277 //====================================
278
279 /*
280 =================
281 VID_GetWindowSize
282 =================
283 */
284 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
285 {
286         *x = 0;
287         *y = 0;
288         *width = window_width;
289         *height = window_height;
290 }
291
292
293 void VID_Finish (void)
294 {
295         HDC hdc;
296         int vid_usemouse;
297         if (r_render.integer && !scr_skipupdate)
298         {
299                 qglFinish();
300                 hdc = GetDC(mainwindow);
301                 SwapBuffers(hdc);
302                 ReleaseDC(mainwindow, hdc);
303         }
304
305 // handle the mouse state when windowed if that's changed
306         vid_usemouse = false;
307         if (vid_mouse.integer && !key_consoleactive)
308                 vid_usemouse = true;
309         if (vid_isfullscreen)
310                 vid_usemouse = true;
311         if (!vid_activewindow)
312                 vid_usemouse = false;
313         if (vid_usemouse)
314         {
315                 if (!vid_usingmouse)
316                 {
317                         vid_usingmouse = true;
318                         IN_ActivateMouse ();
319                         IN_HideMouse();
320                 }
321         }
322         else
323         {
324                 if (vid_usingmouse)
325                 {
326                         vid_usingmouse = false;
327                         IN_DeactivateMouse ();
328                         IN_ShowMouse();
329                 }
330         }
331 }
332
333 //==========================================================================
334
335
336
337
338 qbyte scantokey[128] =
339 {
340 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
341         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
342         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
343         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
344         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
345         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
346         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
347         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
348         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
349 };
350
351
352 /*
353 =======
354 MapKey
355
356 Map from windows to quake keynums
357 =======
358 */
359 int MapKey (int key, int virtualkey)
360 {
361         int result;
362         int modified = (key >> 16) & 255;
363         qboolean is_extended = false;
364
365         if (modified < 128 && scantokey[modified])
366                 result = scantokey[modified];
367         else
368         {
369                 result = 0;
370                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
371         }
372
373         if (key & (1 << 24))
374                 is_extended = true;
375
376         if ( !is_extended )
377         {
378                 switch ( result )
379                 {
380                 case K_HOME:
381                         return K_KP_HOME;
382                 case K_UPARROW:
383                         return K_KP_UPARROW;
384                 case K_PGUP:
385                         return K_KP_PGUP;
386                 case K_LEFTARROW:
387                         return K_KP_LEFTARROW;
388                 case K_RIGHTARROW:
389                         return K_KP_RIGHTARROW;
390                 case K_END:
391                         return K_KP_END;
392                 case K_DOWNARROW:
393                         return K_KP_DOWNARROW;
394                 case K_PGDN:
395                         return K_KP_PGDN;
396                 case K_INS:
397                         return K_KP_INS;
398                 case K_DEL:
399                         return K_KP_DEL;
400                 default:
401                         return result;
402                 }
403         }
404         else
405         {
406                 switch ( result )
407                 {
408                 case 0x0D:
409                         return K_KP_ENTER;
410                 case 0x2F:
411                         return K_KP_SLASH;
412                 case 0xAF:
413                         return K_KP_PLUS;
414                 }
415                 return result;
416         }
417 }
418
419 /*
420 ===================================================================
421
422 MAIN WINDOW
423
424 ===================================================================
425 */
426
427 /*
428 ================
429 ClearAllStates
430 ================
431 */
432 void ClearAllStates (void)
433 {
434         int             i;
435
436 // send an up event for each key, to make sure the server clears them all
437         for (i=0 ; i<256 ; i++)
438         {
439                 Key_Event (i, 0, false);
440         }
441
442         Key_ClearStates ();
443         IN_ClearStates ();
444 }
445
446 extern qboolean host_loopactive;
447
448 void AppActivate(BOOL fActive, BOOL minimize)
449 /****************************************************************************
450 *
451 * Function:     AppActivate
452 * Parameters:   fActive - True if app is activating
453 *
454 * Description:  If the application is activating, then swap the system
455 *               into SYSPAL_NOSTATIC mode so that our palettes will display
456 *               correctly.
457 *
458 ****************************************************************************/
459 {
460         static BOOL     sound_active;
461
462         vid_activewindow = fActive;
463         vid_hidden = minimize;
464
465 // enable/disable sound on focus gain/loss
466         if (!vid_activewindow && sound_active)
467         {
468                 S_BlockSound ();
469                 sound_active = false;
470         }
471         else if (vid_activewindow && !sound_active)
472         {
473                 S_UnblockSound ();
474                 sound_active = true;
475         }
476
477         if (fActive)
478         {
479                 vid_allowhwgamma = true;
480                 if (vid_isfullscreen)
481                 {
482                         if (vid_wassuspended)
483                         {
484                                 vid_wassuspended = false;
485                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
486                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
487                         }
488
489                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
490                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
491                 }
492         }
493
494         if (!fActive)
495         {
496                 vid_allowhwgamma = false;
497                 vid_usingmouse = false;
498                 IN_DeactivateMouse ();
499                 IN_ShowMouse ();
500                 if (vid_isfullscreen)
501                 {
502                         ChangeDisplaySettings (NULL, 0);
503                         vid_wassuspended = true;
504                 }
505                 VID_RestoreSystemGamma();
506         }
507 }
508
509 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
510
511 /* main window procedure */
512 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
513 {
514         LONG    lRet = 1;
515         int             fActive, fMinimized, temp;
516         char    state[256];
517         short   ascchar;
518         int             vkey;
519         qboolean down = false;
520
521         extern unsigned int uiWheelMessage;
522
523         if ( uMsg == uiWheelMessage )
524                 uMsg = WM_MOUSEWHEEL;
525
526         switch (uMsg)
527         {
528                 case WM_KILLFOCUS:
529                         if (vid_isfullscreen)
530                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
531                         break;
532
533                 case WM_CREATE:
534                         break;
535
536                 case WM_MOVE:
537                         window_x = (int) LOWORD(lParam);
538                         window_y = (int) HIWORD(lParam);
539                         VID_UpdateWindowStatus ();
540                         break;
541         
542                 case WM_KEYDOWN:
543                 case WM_SYSKEYDOWN:
544                         down = true;
545                 case WM_KEYUP:
546                 case WM_SYSKEYUP:
547                         vkey = MapKey(lParam, wParam);
548                         GetKeyboardState (state);
549                         ToAscii (wParam, vkey, state, &ascchar, 0);
550                         Key_Event (vkey, (char)(ascchar & 0xFF), down);
551                         break;
552
553                 case WM_SYSCHAR:
554                 // keep Alt-Space from happening
555                         break;
556
557         // this is complicated because Win32 seems to pack multiple mouse events into
558         // one update sometimes, so we always check all states and look for events
559                 case WM_LBUTTONDOWN:
560                 case WM_LBUTTONUP:
561                 case WM_RBUTTONDOWN:
562                 case WM_RBUTTONUP:
563                 case WM_MBUTTONDOWN:
564                 case WM_MBUTTONUP:
565                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
566                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
567                 case WM_MOUSEMOVE:
568                         temp = 0;
569
570                         if (wParam & MK_LBUTTON)
571                                 temp |= 1;
572
573                         if (wParam & MK_RBUTTON)
574                                 temp |= 2;
575
576                         if (wParam & MK_MBUTTON)
577                                 temp |= 4;
578
579                         /* backslash :: imouse explorer buttons */
580                         if (wParam & MK_XBUTTON1)
581                                 temp |= 8;
582
583                         if (wParam & MK_XBUTTON2)
584                                 temp |= 16;
585                         /* :: backslash */
586
587                         // LordHavoc: lets hope this allows more buttons in the future...
588                         if (wParam & MK_XBUTTON3)
589                                 temp |= 32;
590                         if (wParam & MK_XBUTTON4)
591                                 temp |= 64;
592                         if (wParam & MK_XBUTTON5)
593                                 temp |= 128;
594                         if (wParam & MK_XBUTTON6)
595                                 temp |= 256;
596                         if (wParam & MK_XBUTTON7)
597                                 temp |= 512;
598
599                         IN_MouseEvent (temp);
600
601                         break;
602
603                 // JACK: This is the mouse wheel with the Intellimouse
604                 // Its delta is either positive or neg, and we generate the proper
605                 // Event.
606                 case WM_MOUSEWHEEL:
607                         if ((short) HIWORD(wParam) > 0) {
608                                 Key_Event(K_MWHEELUP, 0, true);
609                                 Key_Event(K_MWHEELUP, 0, false);
610                         } else {
611                                 Key_Event(K_MWHEELDOWN, 0, true);
612                                 Key_Event(K_MWHEELDOWN, 0, false);
613                         }
614                         break;
615
616                 case WM_SIZE:
617                         break;
618
619                 case WM_CLOSE:
620                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
621                                 Sys_Quit ();
622
623                         break;
624
625                 case WM_ACTIVATE:
626                         fActive = LOWORD(wParam);
627                         fMinimized = (BOOL) HIWORD(wParam);
628                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
629
630                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
631                         ClearAllStates ();
632
633                         break;
634
635                 //case WM_DESTROY:
636                 //      PostQuitMessage (0);
637                 //      break;
638
639                 case MM_MCINOTIFY:
640                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
641                         break;
642
643                 default:
644                         /* pass all unhandled messages to DefWindowProc */
645                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
646                 break;
647         }
648
649         /* return 1 if handled message, 0 if not */
650         return lRet;
651 }
652
653 int VID_SetGamma(unsigned short *ramps)
654 {
655         HDC hdc = GetDC (NULL);
656         int i = SetDeviceGammaRamp(hdc, ramps);
657         ReleaseDC (NULL, hdc);
658         return i; // return success or failure
659 }
660
661 int VID_GetGamma(unsigned short *ramps)
662 {
663         HDC hdc = GetDC (NULL);
664         int i = GetDeviceGammaRamp(hdc, ramps);
665         ReleaseDC (NULL, hdc);
666         return i; // return success or failure
667 }
668
669 static HINSTANCE gldll;
670
671 int GL_OpenLibrary(const char *name)
672 {
673         Con_Printf("Loading OpenGL driver %s\n", name);
674         GL_CloseLibrary();
675         if (!(gldll = LoadLibrary(name)))
676         {
677                 Con_Printf("Unable to LoadLibrary %s\n", name);
678                 return false;
679         }
680         strcpy(gl_driver, name);
681         return true;
682 }
683
684 void GL_CloseLibrary(void)
685 {
686         FreeLibrary(gldll);
687         gldll = 0;
688         gl_driver[0] = 0;
689         qwglGetProcAddress = NULL;
690         gl_extensions = "";
691         gl_platform = "";
692         gl_platformextensions = "";
693 }
694
695 void *GL_GetProcAddress(const char *name)
696 {
697         void *p = NULL;
698         if (qwglGetProcAddress != NULL)
699                 p = (void *) qwglGetProcAddress(name);
700         if (p == NULL)
701                 p = (void *) GetProcAddress(gldll, name);
702         return p;
703 }
704
705 static void IN_Init(void);
706 void VID_Init(void)
707 {
708         WNDCLASS wc;
709
710         InitCommonControls();
711         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
712
713         // Register the frame class
714         wc.style         = 0;
715         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
716         wc.cbClsExtra    = 0;
717         wc.cbWndExtra    = 0;
718         wc.hInstance     = global_hInstance;
719         wc.hIcon         = 0;
720         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
721         wc.hbrBackground = NULL;
722         wc.lpszMenuName  = 0;
723         wc.lpszClassName = "DarkPlacesWindowClass";
724
725         if (!RegisterClass (&wc))
726                 Sys_Error("Couldn't register window class\n");
727
728         IN_Init();
729 }
730
731 int VID_InitMode (int fullscreen, int width, int height, int bpp)
732 {
733         int i;
734         HDC hdc;
735         RECT rect;
736         MSG msg;
737         PIXELFORMATDESCRIPTOR pfd =
738         {
739                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
740                 1,                              // version number
741                 PFD_DRAW_TO_WINDOW              // support window
742                 |  PFD_SUPPORT_OPENGL   // support OpenGL
743                 |  PFD_DOUBLEBUFFER ,   // double buffered
744                 PFD_TYPE_RGBA,                  // RGBA type
745                 24,                             // 24-bit color depth
746                 0, 0, 0, 0, 0, 0,               // color bits ignored
747                 0,                              // no alpha buffer
748                 0,                              // shift bit ignored
749                 0,                              // no accumulation buffer
750                 0, 0, 0, 0,                     // accum bits ignored
751                 32,                             // 32-bit z-buffer
752                 0,                              // no stencil buffer
753                 0,                              // no auxiliary buffer
754                 PFD_MAIN_PLANE,                 // main layer
755                 0,                              // reserved
756                 0, 0, 0                         // layer masks ignored
757         };
758         int pixelformat;
759         DWORD WindowStyle, ExWindowStyle;
760         HGLRC baseRC;
761         int CenterX, CenterY;
762         const char *gldrivername;
763
764         if (vid_initialized)
765                 Sys_Error("VID_InitMode called when video is already initialised\n");
766
767         // if stencil is enabled, ask for alpha too
768         if (bpp >= 32)
769         {
770                 pfd.cStencilBits = 8;
771                 pfd.cAlphaBits = 8;
772         }
773         else
774         {
775                 pfd.cStencilBits = 0;
776                 pfd.cAlphaBits = 0;
777         }
778
779         gldrivername = "opengl32.dll";
780         i = COM_CheckParm("-gl_driver");
781         if (i && i < com_argc - 1)
782                 gldrivername = com_argv[i + 1];
783         if (!GL_OpenLibrary(gldrivername))
784         {
785                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
786                 return false;
787         }
788
789         memset(&gdevmode, 0, sizeof(gdevmode));
790
791         vid_isfullscreen = false;
792         if (fullscreen)
793         {
794                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
795                 gdevmode.dmBitsPerPel = bpp;
796                 gdevmode.dmPelsWidth = width;
797                 gdevmode.dmPelsHeight = height;
798                 gdevmode.dmSize = sizeof (gdevmode);
799                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
800                 {
801                         VID_Shutdown();
802                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
803                         return false;
804                 }
805
806                 vid_isfullscreen = true;
807                 WindowStyle = WS_POPUP;
808                 ExWindowStyle = WS_EX_TOPMOST;
809         }
810         else
811         {
812                 hdc = GetDC (NULL);
813                 i = GetDeviceCaps(hdc, RASTERCAPS);
814                 ReleaseDC (NULL, hdc);
815                 if (i & RC_PALETTE)
816                 {
817                         VID_Shutdown();
818                         Con_Printf ("Can't run in non-RGB mode\n");
819                         return false;
820                 }
821
822                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
823                 ExWindowStyle = 0;
824         }
825
826         rect.top = 0;
827         rect.left = 0;
828         rect.right = width;
829         rect.bottom = height;
830         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
831
832         if (fullscreen)
833         {
834                 CenterX = 0;
835                 CenterY = 0;
836         }
837         else
838         {
839                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
840                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
841         }
842         CenterX = max(0, CenterX);
843         CenterY = max(0, CenterY);
844
845         // x and y may be changed by WM_MOVE messages
846         window_x = CenterX;
847         window_y = CenterY;
848         window_width = width;
849         window_height = height;
850         rect.left += CenterX;
851         rect.right += CenterX;
852         rect.top += CenterY;
853         rect.bottom += CenterY;
854
855         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
856         if (!mainwindow)
857         {
858                 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);
859                 VID_Shutdown();
860                 return false;
861         }
862
863         /*
864         if (!fullscreen)
865                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
866         */
867
868         ShowWindow (mainwindow, SW_SHOWDEFAULT);
869         UpdateWindow (mainwindow);
870
871         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
872         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
873
874         VID_UpdateWindowStatus ();
875
876         // now we try to make sure we get the focus on the mode switch, because
877         // sometimes in some systems we don't.  We grab the foreground, then
878         // finish setting up, pump all our messages, and sleep for a little while
879         // to let messages finish bouncing around the system, then we put
880         // ourselves at the top of the z order, then grab the foreground again,
881         // Who knows if it helps, but it probably doesn't hurt
882         SetForegroundWindow (mainwindow);
883
884         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
885         {
886                 TranslateMessage (&msg);
887                 DispatchMessage (&msg);
888         }
889
890         Sleep (100);
891
892         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
893
894         SetForegroundWindow (mainwindow);
895
896         // fix the leftover Alt from any Alt-Tab or the like that switched us away
897         ClearAllStates ();
898
899         hdc = GetDC(mainwindow);
900
901         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
902         {
903                 VID_Shutdown();
904                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
905                 return false;
906         }
907
908         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
909         {
910                 VID_Shutdown();
911                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
912                 return false;
913         }
914
915         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
916         {
917                 VID_Shutdown();
918                 Con_Printf("wgl functions not found\n");
919                 return false;
920         }
921
922         baseRC = qwglCreateContext(hdc);
923         if (!baseRC)
924         {
925                 VID_Shutdown();
926                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
927                 return false;
928         }
929         if (!qwglMakeCurrent(hdc, baseRC))
930         {
931                 VID_Shutdown();
932                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
933                 return false;
934         }
935
936         qglGetString = GL_GetProcAddress("glGetString");
937         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
938         if (qglGetString == NULL)
939         {
940                 VID_Shutdown();
941                 Con_Printf("glGetString not found\n");
942                 return false;
943         }
944         gl_renderer = qglGetString(GL_RENDERER);
945         gl_vendor = qglGetString(GL_VENDOR);
946         gl_version = qglGetString(GL_VERSION);
947         gl_extensions = qglGetString(GL_EXTENSIONS);
948         gl_platform = "WGL";
949         gl_platformextensions = "";
950
951         if (qwglGetExtensionsStringARB)
952                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
953
954         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
955         ReleaseDC(mainwindow, hdc);
956
957         GL_Init ();
958
959         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
960         if (strncasecmp(gl_vendor,"ATI",3)==0)
961         {
962                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
963                         isRagePro = true;
964         }
965         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
966                 isG200 = true;
967
968         //vid_menudrawfn = VID_MenuDraw;
969         //vid_menukeyfn = VID_MenuKey;
970         vid_hidden = false;
971         vid_initialized = true;
972
973         IN_StartupMouse ();
974         IN_StartupJoystick ();
975
976         return true;
977 }
978
979 static void IN_Shutdown(void);
980 void VID_Shutdown (void)
981 {
982         HGLRC hRC = 0;
983         HDC hDC = 0;
984
985         if(vid_initialized == false)
986                 return;
987
988         VID_RestoreSystemGamma();
989
990         vid_initialized = false;
991         IN_Shutdown();
992         if (qwglGetCurrentContext)
993                 hRC = qwglGetCurrentContext();
994         if (qwglGetCurrentDC)
995                 hDC = qwglGetCurrentDC();
996         if (qwglMakeCurrent)
997                 qwglMakeCurrent(NULL, NULL);
998         if (hRC && qwglDeleteContext)
999                 qwglDeleteContext(hRC);
1000         // close the library before we get rid of the window
1001         GL_CloseLibrary();
1002         if (hDC && mainwindow)
1003                 ReleaseDC(mainwindow, hDC);
1004         AppActivate(false, false);
1005         if (mainwindow)
1006                 DestroyWindow(mainwindow);
1007         mainwindow = 0;
1008         if (vid_isfullscreen)
1009                 ChangeDisplaySettings (NULL, 0);
1010         vid_isfullscreen = false;
1011 }
1012
1013
1014 /*
1015 ===========
1016 IN_ShowMouse
1017 ===========
1018 */
1019 void IN_ShowMouse (void)
1020 {
1021         if (!mouseshowtoggle)
1022         {
1023                 ShowCursor (true);
1024                 mouseshowtoggle = 1;
1025         }
1026 }
1027
1028
1029 /*
1030 ===========
1031 IN_HideMouse
1032 ===========
1033 */
1034 void IN_HideMouse (void)
1035 {
1036         if (mouseshowtoggle)
1037         {
1038                 ShowCursor (false);
1039                 mouseshowtoggle = 0;
1040         }
1041 }
1042
1043
1044 /*
1045 ===========
1046 IN_ActivateMouse
1047 ===========
1048 */
1049 void IN_ActivateMouse (void)
1050 {
1051
1052         mouseactivatetoggle = true;
1053
1054         if (mouseinitialized)
1055         {
1056                 if (dinput)
1057                 {
1058                         if (g_pMouse)
1059                         {
1060                                 if (!dinput_acquired)
1061                                 {
1062                                         IDirectInputDevice_Acquire(g_pMouse);
1063                                         dinput_acquired = true;
1064                                 }
1065                         }
1066                         else
1067                         {
1068                                 return;
1069                         }
1070                 }
1071                 else
1072                 {
1073                         RECT window_rect;
1074                         window_rect.left = window_x;
1075                         window_rect.top = window_y;
1076                         window_rect.right = window_x + window_width;
1077                         window_rect.bottom = window_y + window_height;
1078
1079                         if (mouseparmsvalid)
1080                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1081
1082                         SetCursorPos (window_center_x, window_center_y);
1083                         SetCapture (mainwindow);
1084                         ClipCursor (&window_rect);
1085                 }
1086
1087                 mouseactive = true;
1088         }
1089 }
1090
1091
1092 /*
1093 ===========
1094 IN_DeactivateMouse
1095 ===========
1096 */
1097 void IN_DeactivateMouse (void)
1098 {
1099
1100         mouseactivatetoggle = false;
1101
1102         if (mouseinitialized)
1103         {
1104                 if (dinput)
1105                 {
1106                         if (g_pMouse)
1107                         {
1108                                 if (dinput_acquired)
1109                                 {
1110                                         IDirectInputDevice_Unacquire(g_pMouse);
1111                                         dinput_acquired = false;
1112                                 }
1113                         }
1114                 }
1115                 else
1116                 {
1117                         if (restore_spi)
1118                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1119
1120                         ClipCursor (NULL);
1121                         ReleaseCapture ();
1122                 }
1123
1124                 mouseactive = false;
1125         }
1126 }
1127
1128
1129 /*
1130 ===========
1131 IN_InitDInput
1132 ===========
1133 */
1134 qboolean IN_InitDInput (void)
1135 {
1136     HRESULT             hr;
1137         DIPROPDWORD     dipdw = {
1138                 {
1139                         sizeof(DIPROPDWORD),        // diph.dwSize
1140                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1141                         0,                          // diph.dwObj
1142                         DIPH_DEVICE,                // diph.dwHow
1143                 },
1144                 DINPUT_BUFFERSIZE,              // dwData
1145         };
1146
1147         if (!hInstDI)
1148         {
1149                 hInstDI = LoadLibrary("dinput.dll");
1150
1151                 if (hInstDI == NULL)
1152                 {
1153                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1154                         return false;
1155                 }
1156         }
1157
1158         if (!pDirectInputCreate)
1159         {
1160                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1161
1162                 if (!pDirectInputCreate)
1163                 {
1164                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1165                         return false;
1166                 }
1167         }
1168
1169 // register with DirectInput and get an IDirectInput to play with.
1170         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1171
1172         if (FAILED(hr))
1173         {
1174                 return false;
1175         }
1176
1177 // obtain an interface to the system mouse device.
1178         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1179
1180         if (FAILED(hr))
1181         {
1182                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1183                 return false;
1184         }
1185
1186 // set the data format to "mouse format".
1187         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1188
1189         if (FAILED(hr))
1190         {
1191                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1192                 return false;
1193         }
1194
1195 // set the cooperativity level.
1196         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1197                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1198
1199         if (FAILED(hr))
1200         {
1201                 Con_SafePrintf ("Couldn't set DI coop level\n");
1202                 return false;
1203         }
1204
1205
1206 // set the buffer size to DINPUT_BUFFERSIZE elements.
1207 // the buffer size is a DWORD property associated with the device
1208         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1209
1210         if (FAILED(hr))
1211         {
1212                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1213                 return false;
1214         }
1215
1216         return true;
1217 }
1218
1219
1220 /*
1221 ===========
1222 IN_StartupMouse
1223 ===========
1224 */
1225 void IN_StartupMouse (void)
1226 {
1227         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1228                 return;
1229
1230         mouseinitialized = true;
1231
1232         if (COM_CheckParm ("-dinput"))
1233         {
1234                 dinput = IN_InitDInput ();
1235
1236                 if (dinput)
1237                 {
1238                         Con_SafePrintf ("DirectInput initialized\n");
1239                 }
1240                 else
1241                 {
1242                         Con_SafePrintf ("DirectInput not initialized\n");
1243                 }
1244         }
1245
1246         if (!dinput)
1247         {
1248                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1249
1250                 if (mouseparmsvalid)
1251                 {
1252                         if ( COM_CheckParm ("-noforcemspd") )
1253                                 newmouseparms[2] = originalmouseparms[2];
1254
1255                         if ( COM_CheckParm ("-noforcemaccel") )
1256                         {
1257                                 newmouseparms[0] = originalmouseparms[0];
1258                                 newmouseparms[1] = originalmouseparms[1];
1259                         }
1260
1261                         if ( COM_CheckParm ("-noforcemparms") )
1262                         {
1263                                 newmouseparms[0] = originalmouseparms[0];
1264                                 newmouseparms[1] = originalmouseparms[1];
1265                                 newmouseparms[2] = originalmouseparms[2];
1266                         }
1267                 }
1268         }
1269
1270         mouse_buttons = 10;
1271
1272 // if a fullscreen video mode was set before the mouse was initialized,
1273 // set the mouse state appropriately
1274         if (mouseactivatetoggle)
1275                 IN_ActivateMouse ();
1276 }
1277
1278
1279 /*
1280 ===========
1281 IN_MouseEvent
1282 ===========
1283 */
1284 void IN_MouseEvent (int mstate)
1285 {
1286         int     i;
1287
1288         if (mouseactive && !dinput)
1289         {
1290         // perform button actions
1291                 for (i=0 ; i<mouse_buttons ; i++)
1292                 {
1293                         if ( (mstate & (1<<i)) &&
1294                                 !(mouse_oldbuttonstate & (1<<i)) )
1295                         {
1296                                 Key_Event (K_MOUSE1 + i, 0, true);
1297                         }
1298
1299                         if ( !(mstate & (1<<i)) &&
1300                                 (mouse_oldbuttonstate & (1<<i)) )
1301                         {
1302                                 Key_Event (K_MOUSE1 + i, 0, false);
1303                         }
1304                 }
1305
1306                 mouse_oldbuttonstate = mstate;
1307         }
1308 }
1309
1310
1311 /*
1312 ===========
1313 IN_MouseMove
1314 ===========
1315 */
1316 void IN_MouseMove (usercmd_t *cmd)
1317 {
1318         int                                     i, mx, my;
1319         DIDEVICEOBJECTDATA      od;
1320         DWORD                           dwElements;
1321         HRESULT                         hr;
1322
1323         if (!mouseactive)
1324         {
1325                 GetCursorPos (&current_pos);
1326                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1327                 in_mouse_x = in_mouse_y = 0;
1328                 return;
1329         }
1330
1331         if (dinput)
1332         {
1333                 mx = 0;
1334                 my = 0;
1335
1336                 for (;;)
1337                 {
1338                         dwElements = 1;
1339
1340                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1341                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1342
1343                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1344                         {
1345                                 dinput_acquired = true;
1346                                 IDirectInputDevice_Acquire(g_pMouse);
1347                                 break;
1348                         }
1349
1350                         /* Unable to read data or no data available */
1351                         if (FAILED(hr) || dwElements == 0)
1352                                 break;
1353
1354                         /* Look at the element to see what happened */
1355
1356                         switch (od.dwOfs)
1357                         {
1358                                 case DIMOFS_X:
1359                                         mx += od.dwData;
1360                                         break;
1361
1362                                 case DIMOFS_Y:
1363                                         my += od.dwData;
1364                                         break;
1365
1366                                 case DIMOFS_BUTTON0:
1367                                         if (od.dwData & 0x80)
1368                                                 mstate_di |= 1;
1369                                         else
1370                                                 mstate_di &= ~1;
1371                                         break;
1372
1373                                 case DIMOFS_BUTTON1:
1374                                         if (od.dwData & 0x80)
1375                                                 mstate_di |= (1<<1);
1376                                         else
1377                                                 mstate_di &= ~(1<<1);
1378                                         break;
1379
1380                                 case DIMOFS_BUTTON2:
1381                                         if (od.dwData & 0x80)
1382                                                 mstate_di |= (1<<2);
1383                                         else
1384                                                 mstate_di &= ~(1<<2);
1385                                         break;
1386                         }
1387                 }
1388
1389         // perform button actions
1390                 for (i=0 ; i<mouse_buttons ; i++)
1391                 {
1392                         if ( (mstate_di & (1<<i)) &&
1393                                 !(mouse_oldbuttonstate & (1<<i)) )
1394                         {
1395                                 Key_Event (K_MOUSE1 + i, 0, true);
1396                         }
1397
1398                         if ( !(mstate_di & (1<<i)) &&
1399                                 (mouse_oldbuttonstate & (1<<i)) )
1400                         {
1401                                 Key_Event (K_MOUSE1 + i, 0, false);
1402                         }
1403                 }
1404
1405                 mouse_oldbuttonstate = mstate_di;
1406         }
1407         else
1408         {
1409                 GetCursorPos (&current_pos);
1410                 mx = current_pos.x - window_center_x + mx_accum;
1411                 my = current_pos.y - window_center_y + my_accum;
1412                 mx_accum = 0;
1413                 my_accum = 0;
1414         }
1415
1416         IN_Mouse(cmd, mx, my);
1417
1418         // if the mouse has moved, force it to the center, so there's room to move
1419         if (!dinput && (mx || my))
1420                 SetCursorPos (window_center_x, window_center_y);
1421 }
1422
1423
1424 /*
1425 ===========
1426 IN_Move
1427 ===========
1428 */
1429 void IN_Move (usercmd_t *cmd)
1430 {
1431         if (vid_activewindow && !vid_hidden)
1432         {
1433                 IN_MouseMove (cmd);
1434                 IN_JoyMove (cmd);
1435         }
1436 }
1437
1438
1439 /*
1440 ===========
1441 IN_Accumulate
1442 ===========
1443 */
1444 void IN_Accumulate (void)
1445 {
1446         if (mouseactive)
1447         {
1448                 if (!dinput)
1449                 {
1450                         GetCursorPos (&current_pos);
1451
1452                         mx_accum += current_pos.x - window_center_x;
1453                         my_accum += current_pos.y - window_center_y;
1454
1455                 // force the mouse to the center, so there's room to move
1456                         SetCursorPos (window_center_x, window_center_y);
1457                 }
1458         }
1459 }
1460
1461
1462 /*
1463 ===================
1464 IN_ClearStates
1465 ===================
1466 */
1467 void IN_ClearStates (void)
1468 {
1469         if (mouseactive)
1470         {
1471                 mx_accum = 0;
1472                 my_accum = 0;
1473                 mouse_oldbuttonstate = 0;
1474         }
1475 }
1476
1477
1478 /*
1479 ===============
1480 IN_StartupJoystick
1481 ===============
1482 */
1483 void IN_StartupJoystick (void)
1484 {
1485         int                     numdevs;
1486         JOYCAPS         jc;
1487         MMRESULT        mmr;
1488         mmr = 0;
1489
1490         // assume no joystick
1491         joy_avail = false;
1492
1493         // abort startup if user requests no joystick
1494         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1495                 return;
1496
1497         // verify joystick driver is present
1498         if ((numdevs = joyGetNumDevs ()) == 0)
1499         {
1500                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1501                 return;
1502         }
1503
1504         // cycle through the joystick ids for the first valid one
1505         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1506         {
1507                 memset (&ji, 0, sizeof(ji));
1508                 ji.dwSize = sizeof(ji);
1509                 ji.dwFlags = JOY_RETURNCENTERED;
1510
1511                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1512                         break;
1513         }
1514
1515         // abort startup if we didn't find a valid joystick
1516         if (mmr != JOYERR_NOERROR)
1517         {
1518                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1519                 return;
1520         }
1521
1522         // get the capabilities of the selected joystick
1523         // abort startup if command fails
1524         memset (&jc, 0, sizeof(jc));
1525         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1526         {
1527                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1528                 return;
1529         }
1530
1531         // save the joystick's number of buttons and POV status
1532         joy_numbuttons = jc.wNumButtons;
1533         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1534
1535         // old button and POV states default to no buttons pressed
1536         joy_oldbuttonstate = joy_oldpovstate = 0;
1537
1538         // mark the joystick as available and advanced initialization not completed
1539         // this is needed as cvars are not available during initialization
1540
1541         joy_avail = true;
1542         joy_advancedinit = false;
1543
1544         Con_Printf ("\njoystick detected\n\n");
1545 }
1546
1547
1548 /*
1549 ===========
1550 RawValuePointer
1551 ===========
1552 */
1553 PDWORD RawValuePointer (int axis)
1554 {
1555         switch (axis)
1556         {
1557         case JOY_AXIS_X:
1558                 return &ji.dwXpos;
1559         case JOY_AXIS_Y:
1560                 return &ji.dwYpos;
1561         case JOY_AXIS_Z:
1562                 return &ji.dwZpos;
1563         case JOY_AXIS_R:
1564                 return &ji.dwRpos;
1565         case JOY_AXIS_U:
1566                 return &ji.dwUpos;
1567         case JOY_AXIS_V:
1568                 return &ji.dwVpos;
1569         }
1570         return NULL; // LordHavoc: hush compiler warning
1571 }
1572
1573
1574 /*
1575 ===========
1576 Joy_AdvancedUpdate_f
1577 ===========
1578 */
1579 void Joy_AdvancedUpdate_f (void)
1580 {
1581
1582         // called once by IN_ReadJoystick and by user whenever an update is needed
1583         // cvars are now available
1584         int     i;
1585         DWORD dwTemp;
1586
1587         // initialize all the maps
1588         for (i = 0; i < JOY_MAX_AXES; i++)
1589         {
1590                 dwAxisMap[i] = AxisNada;
1591                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1592                 pdwRawValue[i] = RawValuePointer(i);
1593         }
1594
1595         if( joy_advanced.integer == 0)
1596         {
1597                 // default joystick initialization
1598                 // 2 axes only with joystick control
1599                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1600                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1601                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1602                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1603         }
1604         else
1605         {
1606                 if (strcmp (joy_name.string, "joystick") != 0)
1607                 {
1608                         // notify user of advanced controller
1609                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1610                 }
1611
1612                 // advanced initialization here
1613                 // data supplied by user via joy_axisn cvars
1614                 dwTemp = (DWORD) joy_advaxisx.value;
1615                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1616                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1617                 dwTemp = (DWORD) joy_advaxisy.value;
1618                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1619                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1620                 dwTemp = (DWORD) joy_advaxisz.value;
1621                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1622                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1623                 dwTemp = (DWORD) joy_advaxisr.value;
1624                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1625                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1626                 dwTemp = (DWORD) joy_advaxisu.value;
1627                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1628                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1629                 dwTemp = (DWORD) joy_advaxisv.value;
1630                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1631                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1632         }
1633
1634         // compute the axes to collect from DirectInput
1635         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1636         for (i = 0; i < JOY_MAX_AXES; i++)
1637         {
1638                 if (dwAxisMap[i] != AxisNada)
1639                 {
1640                         joy_flags |= dwAxisFlags[i];
1641                 }
1642         }
1643 }
1644
1645 /*
1646 ===========
1647 IN_Commands
1648 ===========
1649 */
1650 void IN_Commands (void)
1651 {
1652         int             i, key_index;
1653         DWORD   buttonstate, povstate;
1654
1655         if (!joy_avail)
1656         {
1657                 return;
1658         }
1659
1660
1661         // loop through the joystick buttons
1662         // key a joystick event or auxillary event for higher number buttons for each state change
1663         buttonstate = ji.dwButtons;
1664         for (i=0 ; i < (int) joy_numbuttons ; i++)
1665         {
1666                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1667                 {
1668                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1669                         Key_Event (key_index + i, 0, true);
1670                 }
1671
1672                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1673                 {
1674                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1675                         Key_Event (key_index + i, 0, false);
1676                 }
1677         }
1678         joy_oldbuttonstate = buttonstate;
1679
1680         if (joy_haspov)
1681         {
1682                 // convert POV information into 4 bits of state information
1683                 // this avoids any potential problems related to moving from one
1684                 // direction to another without going through the center position
1685                 povstate = 0;
1686                 if(ji.dwPOV != JOY_POVCENTERED)
1687                 {
1688                         if (ji.dwPOV == JOY_POVFORWARD)
1689                                 povstate |= 0x01;
1690                         if (ji.dwPOV == JOY_POVRIGHT)
1691                                 povstate |= 0x02;
1692                         if (ji.dwPOV == JOY_POVBACKWARD)
1693                                 povstate |= 0x04;
1694                         if (ji.dwPOV == JOY_POVLEFT)
1695                                 povstate |= 0x08;
1696                 }
1697                 // determine which bits have changed and key an auxillary event for each change
1698                 for (i=0 ; i < 4 ; i++)
1699                 {
1700                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1701                         {
1702                                 Key_Event (K_AUX29 + i, 0, true);
1703                         }
1704
1705                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1706                         {
1707                                 Key_Event (K_AUX29 + i, 0, false);
1708                         }
1709                 }
1710                 joy_oldpovstate = povstate;
1711         }
1712 }
1713
1714
1715 /*
1716 ===============
1717 IN_ReadJoystick
1718 ===============
1719 */
1720 qboolean IN_ReadJoystick (void)
1721 {
1722
1723         memset (&ji, 0, sizeof(ji));
1724         ji.dwSize = sizeof(ji);
1725         ji.dwFlags = joy_flags;
1726
1727         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1728         {
1729                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1730                 // rather than having 32768 be the zero point, they have the zero point at 32668
1731                 // go figure -- anyway, now we get the full resolution out of the device
1732                 if (joy_wwhack1.integer != 0.0)
1733                 {
1734                         ji.dwUpos += 100;
1735                 }
1736                 return true;
1737         }
1738         else
1739         {
1740                 // read error occurred
1741                 // turning off the joystick seems too harsh for 1 read error,
1742                 // but what should be done?
1743                 return false;
1744         }
1745 }
1746
1747
1748 /*
1749 ===========
1750 IN_JoyMove
1751 ===========
1752 */
1753 void IN_JoyMove (usercmd_t *cmd)
1754 {
1755         float   speed, aspeed;
1756         float   fAxisValue, fTemp;
1757         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1758
1759         // complete initialization if first time in
1760         // this is needed as cvars are not available at initialization time
1761         if( joy_advancedinit != true )
1762         {
1763                 Joy_AdvancedUpdate_f();
1764                 joy_advancedinit = true;
1765         }
1766
1767         // verify joystick is available and that the user wants to use it
1768         if (!joy_avail || !in_joystick.integer)
1769         {
1770                 return;
1771         }
1772
1773         // collect the joystick data, if possible
1774         if (IN_ReadJoystick () != true)
1775         {
1776                 return;
1777         }
1778
1779         if (in_speed.state & 1)
1780                 speed = cl_movespeedkey.value;
1781         else
1782                 speed = 1;
1783         // LordHavoc: viewzoom affects sensitivity for sniping
1784         aspeed = speed * host_realframetime * cl.viewzoom;
1785
1786         // loop through the axes
1787         for (i = 0; i < JOY_MAX_AXES; i++)
1788         {
1789                 // get the floating point zero-centered, potentially-inverted data for the current axis
1790                 fAxisValue = (float) *pdwRawValue[i];
1791                 // move centerpoint to zero
1792                 fAxisValue -= 32768.0;
1793
1794                 if (joy_wwhack2.integer != 0.0)
1795                 {
1796                         if (dwAxisMap[i] == AxisTurn)
1797                         {
1798                                 // this is a special formula for the Logitech WingMan Warrior
1799                                 // y=ax^b; where a = 300 and b = 1.3
1800                                 // also x values are in increments of 800 (so this is factored out)
1801                                 // then bounds check result to level out excessively high spin rates
1802                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1803                                 if (fTemp > 14000.0)
1804                                         fTemp = 14000.0;
1805                                 // restore direction information
1806                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1807                         }
1808                 }
1809
1810                 // convert range from -32768..32767 to -1..1
1811                 fAxisValue /= 32768.0;
1812
1813                 switch (dwAxisMap[i])
1814                 {
1815                 case AxisForward:
1816                         if ((joy_advanced.integer == 0) && mouselook)
1817                         {
1818                                 // user wants forward control to become look control
1819                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1820                                 {
1821                                         // if mouse invert is on, invert the joystick pitch value
1822                                         // only absolute control support here (joy_advanced is false)
1823                                         if (m_pitch.value < 0.0)
1824                                         {
1825                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1826                                         }
1827                                         else
1828                                         {
1829                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1830                                         }
1831                                         V_StopPitchDrift();
1832                                 }
1833                                 else
1834                                 {
1835                                         // no pitch movement
1836                                         // disable pitch return-to-center unless requested by user
1837                                         // *** this code can be removed when the lookspring bug is fixed
1838                                         // *** the bug always has the lookspring feature on
1839                                         if(lookspring.value == 0.0)
1840                                                 V_StopPitchDrift();
1841                                 }
1842                         }
1843                         else
1844                         {
1845                                 // user wants forward control to be forward control
1846                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1847                                 {
1848                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1849                                 }
1850                         }
1851                         break;
1852
1853                 case AxisSide:
1854                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1855                         {
1856                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1857                         }
1858                         break;
1859
1860                 case AxisTurn:
1861                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1862                         {
1863                                 // user wants turn control to become side control
1864                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1865                                 {
1866                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1867                                 }
1868                         }
1869                         else
1870                         {
1871                                 // user wants turn control to be turn control
1872                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1873                                 {
1874                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1875                                         {
1876                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1877                                         }
1878                                         else
1879                                         {
1880                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1881                                         }
1882
1883                                 }
1884                         }
1885                         break;
1886
1887                 case AxisLook:
1888                         if (mouselook)
1889                         {
1890                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1891                                 {
1892                                         // pitch movement detected and pitch movement desired by user
1893                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1894                                         {
1895                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1896                                         }
1897                                         else
1898                                         {
1899                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1900                                         }
1901                                         V_StopPitchDrift();
1902                                 }
1903                                 else
1904                                 {
1905                                         // no pitch movement
1906                                         // disable pitch return-to-center unless requested by user
1907                                         // *** this code can be removed when the lookspring bug is fixed
1908                                         // *** the bug always has the lookspring feature on
1909                                         if(lookspring.integer == 0)
1910                                                 V_StopPitchDrift();
1911                                 }
1912                         }
1913                         break;
1914
1915                 default:
1916                         break;
1917                 }
1918         }
1919 }
1920
1921 static void IN_Init(void)
1922 {
1923         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1924
1925         // joystick variables
1926         Cvar_RegisterVariable (&in_joystick);
1927         Cvar_RegisterVariable (&joy_name);
1928         Cvar_RegisterVariable (&joy_advanced);
1929         Cvar_RegisterVariable (&joy_advaxisx);
1930         Cvar_RegisterVariable (&joy_advaxisy);
1931         Cvar_RegisterVariable (&joy_advaxisz);
1932         Cvar_RegisterVariable (&joy_advaxisr);
1933         Cvar_RegisterVariable (&joy_advaxisu);
1934         Cvar_RegisterVariable (&joy_advaxisv);
1935         Cvar_RegisterVariable (&joy_forwardthreshold);
1936         Cvar_RegisterVariable (&joy_sidethreshold);
1937         Cvar_RegisterVariable (&joy_pitchthreshold);
1938         Cvar_RegisterVariable (&joy_yawthreshold);
1939         Cvar_RegisterVariable (&joy_forwardsensitivity);
1940         Cvar_RegisterVariable (&joy_sidesensitivity);
1941         Cvar_RegisterVariable (&joy_pitchsensitivity);
1942         Cvar_RegisterVariable (&joy_yawsensitivity);
1943         Cvar_RegisterVariable (&joy_wwhack1);
1944         Cvar_RegisterVariable (&joy_wwhack2);
1945         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1946 }
1947
1948 static void IN_Shutdown(void)
1949 {
1950         IN_DeactivateMouse ();
1951         IN_ShowMouse ();
1952
1953         if (g_pMouse)
1954                 IDirectInputDevice_Release(g_pMouse);
1955         g_pMouse = NULL;
1956
1957         if (g_pdi)
1958                 IDirectInput_Release(g_pdi);
1959         g_pdi = NULL;
1960 }