don't need to send WM_SETICON... just set the icon in the window class and
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include <windows.h>
24 #include <dsound.h>
25 #include "resource.h"
26 #include <commctrl.h>
27
28 extern void S_BlockSound (void);
29 extern void S_UnblockSound (void);
30 extern HINSTANCE global_hInstance;
31
32
33 #ifndef WM_MOUSEWHEEL
34 #define WM_MOUSEWHEEL                   0x020A
35 #endif
36
37 // Tell startup code that we have a client
38 int cl_available = true;
39
40 int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
41 int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
42 //int (WINAPI *qwglGetPixelFormat)(HDC);
43 BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
44 BOOL (WINAPI *qwglSwapBuffers)(HDC);
45 HGLRC (WINAPI *qwglCreateContext)(HDC);
46 BOOL (WINAPI *qwglDeleteContext)(HGLRC);
47 HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
48 HDC (WINAPI *qwglGetCurrentDC)(VOID);
49 PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
50 BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
51 BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
52 const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
53
54 static dllfunction_t wglfuncs[] =
55 {
56         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
57         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
58 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
59         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
60         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
61         {"wglCreateContext", (void **) &qwglCreateContext},
62         {"wglDeleteContext", (void **) &qwglDeleteContext},
63         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
64         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
65         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
66         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
67         {NULL, NULL}
68 };
69
70 static dllfunction_t wglswapintervalfuncs[] =
71 {
72         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
73         {NULL, NULL}
74 };
75
76 qboolean scr_skipupdate;
77
78 static DEVMODE gdevmode;
79 static qboolean vid_initialized = false;
80 static qboolean vid_wassuspended = false;
81 static int vid_usingmouse;
82 extern qboolean mouseactive;  // from in_win.c
83 static HICON hIcon;
84
85 HWND mainwindow;
86
87 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
88
89 static int vid_isfullscreen;
90
91 //void VID_MenuDraw (void);
92 //void VID_MenuKey (int key);
93
94 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
95 //void AppActivate(BOOL fActive, BOOL minimize);
96 //void ClearAllStates (void);
97 //void VID_UpdateWindowStatus (void);
98
99 //====================================
100
101 int window_x, window_y, window_width, window_height;
102 int window_center_x, window_center_y;
103
104 void IN_ShowMouse (void);
105 void IN_DeactivateMouse (void);
106 void IN_HideMouse (void);
107 void IN_ActivateMouse (void);
108 void IN_MouseEvent (int mstate);
109 void IN_UpdateClipCursor (void);
110
111 qboolean mouseinitialized;
112 static qboolean dinput;
113
114 // input code
115
116 #include <dinput.h>
117
118 #define DINPUT_BUFFERSIZE           16
119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
120
121 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
122         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
123
124 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
125 /* backslash :: imouse explorer buttons */
126 /* These are #ifdefed out for non-Win2K in the February 2001 version of
127    MS's platform SDK, but we need them for compilation. . . */
128 #ifndef WM_XBUTTONDOWN
129    #define WM_XBUTTONDOWN      0x020B
130    #define WM_XBUTTONUP      0x020C
131 #endif
132 #ifndef MK_XBUTTON1
133    #define MK_XBUTTON1         0x0020
134    #define MK_XBUTTON2         0x0040
135 // LordHavoc: lets hope this allows more buttons in the future...
136    #define MK_XBUTTON3         0x0080
137    #define MK_XBUTTON4         0x0100
138    #define MK_XBUTTON5         0x0200
139    #define MK_XBUTTON6         0x0400
140    #define MK_XBUTTON7         0x0800
141 #endif
142 /* :: backslash */
143
144 // mouse variables
145 int                     mouse_buttons;
146 int                     mouse_oldbuttonstate;
147 POINT           current_pos;
148 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
149
150 static qboolean restore_spi;
151 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
152
153 unsigned int uiWheelMessage;
154 qboolean        mouseactive;
155 //qboolean              mouseinitialized;
156 static qboolean mouseparmsvalid, mouseactivatetoggle;
157 static qboolean mouseshowtoggle = 1;
158 static qboolean dinput_acquired;
159
160 static unsigned int             mstate_di;
161
162 // joystick defines and variables
163 // where should defines be moved?
164 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
165 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
166 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
167 #define JOY_AXIS_X                      0
168 #define JOY_AXIS_Y                      1
169 #define JOY_AXIS_Z                      2
170 #define JOY_AXIS_R                      3
171 #define JOY_AXIS_U                      4
172 #define JOY_AXIS_V                      5
173
174 enum _ControlList
175 {
176         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
177 };
178
179 DWORD   dwAxisFlags[JOY_MAX_AXES] =
180 {
181         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
182 };
183
184 DWORD   dwAxisMap[JOY_MAX_AXES];
185 DWORD   dwControlMap[JOY_MAX_AXES];
186 PDWORD  pdwRawValue[JOY_MAX_AXES];
187
188 // none of these cvars are saved over a session
189 // this means that advanced controller configuration needs to be executed
190 // each time.  this avoids any problems with getting back to a default usage
191 // or when changing from one controller to another.  this way at least something
192 // works.
193 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
194 cvar_t  joy_name = {0, "joyname", "joystick"};
195 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
196 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
197 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
198 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
199 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
200 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
201 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
202 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
203 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
204 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
205 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
206 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
207 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
208 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
209 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
210 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
211 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
212
213 qboolean        joy_avail, joy_advancedinit, joy_haspov;
214 DWORD           joy_oldbuttonstate, joy_oldpovstate;
215
216 int                     joy_id;
217 DWORD           joy_flags;
218 DWORD           joy_numbuttons;
219
220 static LPDIRECTINPUT            g_pdi;
221 static LPDIRECTINPUTDEVICE      g_pMouse;
222
223 static JOYINFOEX        ji;
224
225 static HINSTANCE hInstDI;
226
227 //static qboolean       dinput;
228
229 typedef struct MYDATA {
230         LONG  lX;                   // X axis goes here
231         LONG  lY;                   // Y axis goes here
232         LONG  lZ;                   // Z axis goes here
233         BYTE  bButtonA;             // One button goes here
234         BYTE  bButtonB;             // Another button goes here
235         BYTE  bButtonC;             // Another button goes here
236         BYTE  bButtonD;             // Another button goes here
237 } MYDATA;
238
239 static DIOBJECTDATAFORMAT rgodf[] = {
240   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
241   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
242   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
243   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
244   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
245   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
246   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
247 };
248
249 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
250
251 static DIDATAFORMAT     df = {
252         sizeof(DIDATAFORMAT),       // this structure
253         sizeof(DIOBJECTDATAFORMAT), // size of object data format
254         DIDF_RELAXIS,               // absolute axis coordinates
255         sizeof(MYDATA),             // device data size
256         NUM_OBJECTS,                // number of objects
257         rgodf,                      // and here they are
258 };
259
260 // forward-referenced functions
261 void IN_StartupJoystick (void);
262 void Joy_AdvancedUpdate_f (void);
263 void IN_JoyMove (usercmd_t *cmd);
264 void IN_StartupMouse (void);
265
266 /*
267 ================
268 VID_UpdateWindowStatus
269 ================
270 */
271 void VID_UpdateWindowStatus (void)
272 {
273         window_center_x = window_x + window_width / 2;
274         window_center_y = window_y + window_height / 2;
275
276         if (mouseinitialized && mouseactive && !dinput)
277         {
278                 RECT window_rect;
279                 window_rect.left = window_x;
280                 window_rect.top = window_y;
281                 window_rect.right = window_x + window_width;
282                 window_rect.bottom = window_y + window_height;
283                 ClipCursor (&window_rect);
284         }
285 }
286
287
288 //====================================
289
290 /*
291 =================
292 VID_GetWindowSize
293 =================
294 */
295 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
296 {
297         *x = 0;
298         *y = 0;
299         *width = window_width;
300         *height = window_height;
301 }
302
303
304 void VID_Finish (void)
305 {
306         HDC hdc;
307         int vid_usemouse;
308         if (r_render.integer && !scr_skipupdate)
309         {
310                 qglFinish();
311                 hdc = GetDC(mainwindow);
312                 SwapBuffers(hdc);
313                 ReleaseDC(mainwindow, hdc);
314         }
315
316 // handle the mouse state when windowed if that's changed
317         vid_usemouse = false;
318         if (vid_mouse.integer && !key_consoleactive)
319                 vid_usemouse = true;
320         if (vid_isfullscreen)
321                 vid_usemouse = true;
322         if (!vid_activewindow)
323                 vid_usemouse = false;
324         if (vid_usemouse)
325         {
326                 if (!vid_usingmouse)
327                 {
328                         vid_usingmouse = true;
329                         IN_ActivateMouse ();
330                         IN_HideMouse();
331                 }
332         }
333         else
334         {
335                 if (vid_usingmouse)
336                 {
337                         vid_usingmouse = false;
338                         IN_DeactivateMouse ();
339                         IN_ShowMouse();
340                 }
341         }
342 }
343
344 //==========================================================================
345
346
347
348
349 qbyte scantokey[128] =
350 {
351 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
352         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
353         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
354         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
355         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
356         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
357         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
358         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
359         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
360 };
361
362
363 /*
364 =======
365 MapKey
366
367 Map from windows to quake keynums
368 =======
369 */
370 int MapKey (int key, int virtualkey)
371 {
372         int result;
373         int modified = (key >> 16) & 255;
374         qboolean is_extended = false;
375
376         if (modified < 128 && scantokey[modified])
377                 result = scantokey[modified];
378         else
379         {
380                 result = 0;
381                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
382         }
383
384         if (key & (1 << 24))
385                 is_extended = true;
386
387         if ( !is_extended )
388         {
389                 switch ( result )
390                 {
391                 case K_HOME:
392                         return K_KP_HOME;
393                 case K_UPARROW:
394                         return K_KP_UPARROW;
395                 case K_PGUP:
396                         return K_KP_PGUP;
397                 case K_LEFTARROW:
398                         return K_KP_LEFTARROW;
399                 case K_RIGHTARROW:
400                         return K_KP_RIGHTARROW;
401                 case K_END:
402                         return K_KP_END;
403                 case K_DOWNARROW:
404                         return K_KP_DOWNARROW;
405                 case K_PGDN:
406                         return K_KP_PGDN;
407                 case K_INS:
408                         return K_KP_INS;
409                 case K_DEL:
410                         return K_KP_DEL;
411                 default:
412                         return result;
413                 }
414         }
415         else
416         {
417                 switch ( result )
418                 {
419                 case 0x0D:
420                         return K_KP_ENTER;
421                 case 0x2F:
422                         return K_KP_SLASH;
423                 case 0xAF:
424                         return K_KP_PLUS;
425                 }
426                 return result;
427         }
428 }
429
430 /*
431 ===================================================================
432
433 MAIN WINDOW
434
435 ===================================================================
436 */
437
438 /*
439 ================
440 ClearAllStates
441 ================
442 */
443 void ClearAllStates (void)
444 {
445         Key_ClearStates ();
446         IN_ClearStates ();
447 }
448
449 extern qboolean host_loopactive;
450
451 void AppActivate(BOOL fActive, BOOL minimize)
452 /****************************************************************************
453 *
454 * Function:     AppActivate
455 * Parameters:   fActive - True if app is activating
456 *
457 * Description:  If the application is activating, then swap the system
458 *               into SYSPAL_NOSTATIC mode so that our palettes will display
459 *               correctly.
460 *
461 ****************************************************************************/
462 {
463         static BOOL     sound_active;
464
465         vid_activewindow = fActive;
466         vid_hidden = minimize;
467
468 // enable/disable sound on focus gain/loss
469         if (!vid_activewindow && sound_active)
470         {
471                 S_BlockSound ();
472                 sound_active = false;
473         }
474         else if (vid_activewindow && !sound_active)
475         {
476                 S_UnblockSound ();
477                 sound_active = true;
478         }
479
480         if (fActive)
481         {
482                 if (vid_isfullscreen)
483                 {
484                         if (vid_wassuspended)
485                         {
486                                 vid_wassuspended = false;
487                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
488                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
489                         }
490
491                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
492                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
493                 }
494         }
495
496         if (!fActive)
497         {
498                 vid_usingmouse = false;
499                 IN_DeactivateMouse ();
500                 IN_ShowMouse ();
501                 if (vid_isfullscreen)
502                 {
503                         ChangeDisplaySettings (NULL, 0);
504                         vid_wassuspended = true;
505                 }
506                 VID_RestoreSystemGamma();
507         }
508 }
509
510 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
511
512 /* main window procedure */
513 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
514 {
515         LONG    lRet = 1;
516         int             fActive, fMinimized, temp;
517         char    state[256];
518         char    asciichar[4];
519         int             vkey;
520         qboolean down = false;
521
522         extern unsigned int uiWheelMessage;
523
524         if ( uMsg == uiWheelMessage )
525                 uMsg = WM_MOUSEWHEEL;
526
527         switch (uMsg)
528         {
529                 case WM_KILLFOCUS:
530                         if (vid_isfullscreen)
531                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
532                         break;
533
534                 case WM_CREATE:
535                         break;
536
537                 case WM_MOVE:
538                         window_x = (int) LOWORD(lParam);
539                         window_y = (int) HIWORD(lParam);
540                         VID_UpdateWindowStatus ();
541                         break;
542         
543                 case WM_KEYDOWN:
544                 case WM_SYSKEYDOWN:
545                         down = true;
546                 case WM_KEYUP:
547                 case WM_SYSKEYUP:
548                         vkey = MapKey(lParam, wParam);
549                         GetKeyboardState (state);
550                         // alt/ctrl/shift tend to produce funky ToAscii values,
551                         // and if it's not a single character we don't know care about it
552                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0) != 1)
553                                 asciichar[0] = 0;
554                         Key_Event (vkey, asciichar[0], down);
555                         break;
556
557                 case WM_SYSCHAR:
558                 // keep Alt-Space from happening
559                         break;
560
561         // this is complicated because Win32 seems to pack multiple mouse events into
562         // one update sometimes, so we always check all states and look for events
563                 case WM_LBUTTONDOWN:
564                 case WM_LBUTTONUP:
565                 case WM_RBUTTONDOWN:
566                 case WM_RBUTTONUP:
567                 case WM_MBUTTONDOWN:
568                 case WM_MBUTTONUP:
569                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
570                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
571                 case WM_MOUSEMOVE:
572                         temp = 0;
573
574                         if (wParam & MK_LBUTTON)
575                                 temp |= 1;
576
577                         if (wParam & MK_RBUTTON)
578                                 temp |= 2;
579
580                         if (wParam & MK_MBUTTON)
581                                 temp |= 4;
582
583                         /* backslash :: imouse explorer buttons */
584                         if (wParam & MK_XBUTTON1)
585                                 temp |= 8;
586
587                         if (wParam & MK_XBUTTON2)
588                                 temp |= 16;
589                         /* :: backslash */
590
591                         // LordHavoc: lets hope this allows more buttons in the future...
592                         if (wParam & MK_XBUTTON3)
593                                 temp |= 32;
594                         if (wParam & MK_XBUTTON4)
595                                 temp |= 64;
596                         if (wParam & MK_XBUTTON5)
597                                 temp |= 128;
598                         if (wParam & MK_XBUTTON6)
599                                 temp |= 256;
600                         if (wParam & MK_XBUTTON7)
601                                 temp |= 512;
602
603                         IN_MouseEvent (temp);
604
605                         break;
606
607                 // JACK: This is the mouse wheel with the Intellimouse
608                 // Its delta is either positive or neg, and we generate the proper
609                 // Event.
610                 case WM_MOUSEWHEEL:
611                         if ((short) HIWORD(wParam) > 0) {
612                                 Key_Event(K_MWHEELUP, 0, true);
613                                 Key_Event(K_MWHEELUP, 0, false);
614                         } else {
615                                 Key_Event(K_MWHEELDOWN, 0, true);
616                                 Key_Event(K_MWHEELDOWN, 0, false);
617                         }
618                         break;
619
620                 case WM_SIZE:
621                         break;
622
623                 case WM_CLOSE:
624                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
625                                 Sys_Quit ();
626
627                         break;
628
629                 case WM_ACTIVATE:
630                         fActive = LOWORD(wParam);
631                         fMinimized = (BOOL) HIWORD(wParam);
632                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
633
634                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
635                         ClearAllStates ();
636
637                         break;
638
639                 //case WM_DESTROY:
640                 //      PostQuitMessage (0);
641                 //      break;
642
643                 case MM_MCINOTIFY:
644                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
645                         break;
646
647                 default:
648                         /* pass all unhandled messages to DefWindowProc */
649                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
650                 break;
651         }
652
653         /* return 1 if handled message, 0 if not */
654         return lRet;
655 }
656
657 int VID_SetGamma(unsigned short *ramps)
658 {
659         HDC hdc = GetDC (NULL);
660         int i = SetDeviceGammaRamp(hdc, ramps);
661         ReleaseDC (NULL, hdc);
662         return i; // return success or failure
663 }
664
665 int VID_GetGamma(unsigned short *ramps)
666 {
667         HDC hdc = GetDC (NULL);
668         int i = GetDeviceGammaRamp(hdc, ramps);
669         ReleaseDC (NULL, hdc);
670         return i; // return success or failure
671 }
672
673 static HINSTANCE gldll;
674
675 int GL_OpenLibrary(const char *name)
676 {
677         Con_Printf("Loading OpenGL driver %s\n", name);
678         GL_CloseLibrary();
679         if (!(gldll = LoadLibrary(name)))
680         {
681                 Con_Printf("Unable to LoadLibrary %s\n", name);
682                 return false;
683         }
684         strcpy(gl_driver, name);
685         return true;
686 }
687
688 void GL_CloseLibrary(void)
689 {
690         FreeLibrary(gldll);
691         gldll = 0;
692         gl_driver[0] = 0;
693         qwglGetProcAddress = NULL;
694         gl_extensions = "";
695         gl_platform = "";
696         gl_platformextensions = "";
697 }
698
699 void *GL_GetProcAddress(const char *name)
700 {
701         void *p = NULL;
702         if (qwglGetProcAddress != NULL)
703                 p = (void *) qwglGetProcAddress(name);
704         if (p == NULL)
705                 p = (void *) GetProcAddress(gldll, name);
706         return p;
707 }
708
709 static void IN_Init(void);
710 void VID_Init(void)
711 {
712         WNDCLASS wc;
713
714         InitCommonControls();
715         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
716
717         // Register the frame class
718         wc.style         = 0;
719         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
720         wc.cbClsExtra    = 0;
721         wc.cbWndExtra    = 0;
722         wc.hInstance     = global_hInstance;
723         wc.hIcon         = hIcon;
724         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
725         wc.hbrBackground = NULL;
726         wc.lpszMenuName  = 0;
727         wc.lpszClassName = "DarkPlacesWindowClass";
728
729         if (!RegisterClass (&wc))
730                 Sys_Error("Couldn't register window class\n");
731
732         IN_Init();
733 }
734
735 int VID_InitMode (int fullscreen, int width, int height, int bpp)
736 {
737         int i;
738         HDC hdc;
739         RECT rect;
740         MSG msg;
741         PIXELFORMATDESCRIPTOR pfd =
742         {
743                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
744                 1,                              // version number
745                 PFD_DRAW_TO_WINDOW              // support window
746                 |  PFD_SUPPORT_OPENGL   // support OpenGL
747                 |  PFD_DOUBLEBUFFER ,   // double buffered
748                 PFD_TYPE_RGBA,                  // RGBA type
749                 24,                             // 24-bit color depth
750                 0, 0, 0, 0, 0, 0,               // color bits ignored
751                 0,                              // no alpha buffer
752                 0,                              // shift bit ignored
753                 0,                              // no accumulation buffer
754                 0, 0, 0, 0,                     // accum bits ignored
755                 32,                             // 32-bit z-buffer
756                 0,                              // no stencil buffer
757                 0,                              // no auxiliary buffer
758                 PFD_MAIN_PLANE,                 // main layer
759                 0,                              // reserved
760                 0, 0, 0                         // layer masks ignored
761         };
762         int pixelformat;
763         DWORD WindowStyle, ExWindowStyle;
764         HGLRC baseRC;
765         int CenterX, CenterY;
766         const char *gldrivername;
767         int depth;
768
769         if (vid_initialized)
770                 Sys_Error("VID_InitMode called when video is already initialised\n");
771
772         // if stencil is enabled, ask for alpha too
773         if (bpp >= 32)
774         {
775                 pfd.cStencilBits = 8;
776                 pfd.cAlphaBits = 8;
777         }
778         else
779         {
780                 pfd.cStencilBits = 0;
781                 pfd.cAlphaBits = 0;
782         }
783
784         gldrivername = "opengl32.dll";
785         i = COM_CheckParm("-gl_driver");
786         if (i && i < com_argc - 1)
787                 gldrivername = com_argv[i + 1];
788         if (!GL_OpenLibrary(gldrivername))
789         {
790                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
791                 return false;
792         }
793
794         memset(&gdevmode, 0, sizeof(gdevmode));
795
796         vid_isfullscreen = false;
797         if (fullscreen)
798         {
799                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
800                 gdevmode.dmBitsPerPel = bpp;
801                 gdevmode.dmPelsWidth = width;
802                 gdevmode.dmPelsHeight = height;
803                 gdevmode.dmSize = sizeof (gdevmode);
804                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
805                 {
806                         VID_Shutdown();
807                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
808                         return false;
809                 }
810
811                 vid_isfullscreen = true;
812                 WindowStyle = WS_POPUP;
813                 ExWindowStyle = WS_EX_TOPMOST;
814         }
815         else
816         {
817                 hdc = GetDC (NULL);
818                 i = GetDeviceCaps(hdc, RASTERCAPS);
819                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
820                 ReleaseDC (NULL, hdc);
821                 if (i & RC_PALETTE)
822                 {
823                         VID_Shutdown();
824                         Con_Printf ("Can't run in non-RGB mode\n");
825                         return false;
826                 }
827                 if (bpp > depth)
828                 {
829                         VID_Shutdown();
830                         Con_Printf ("A higher desktop depth is required to run this video mode\n");
831                         return false;
832                 }
833
834                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
835                 ExWindowStyle = 0;
836         }
837
838         rect.top = 0;
839         rect.left = 0;
840         rect.right = width;
841         rect.bottom = height;
842         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
843
844         if (fullscreen)
845         {
846                 CenterX = 0;
847                 CenterY = 0;
848         }
849         else
850         {
851                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
852                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
853         }
854         CenterX = max(0, CenterX);
855         CenterY = max(0, CenterY);
856
857         // x and y may be changed by WM_MOVE messages
858         window_x = CenterX;
859         window_y = CenterY;
860         window_width = width;
861         window_height = height;
862         rect.left += CenterX;
863         rect.right += CenterX;
864         rect.top += CenterY;
865         rect.bottom += CenterY;
866
867         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
868         if (!mainwindow)
869         {
870                 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);
871                 VID_Shutdown();
872                 return false;
873         }
874
875         /*
876         if (!fullscreen)
877                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
878         */
879
880         ShowWindow (mainwindow, SW_SHOWDEFAULT);
881         UpdateWindow (mainwindow);
882
883         VID_UpdateWindowStatus ();
884
885         // now we try to make sure we get the focus on the mode switch, because
886         // sometimes in some systems we don't.  We grab the foreground, then
887         // finish setting up, pump all our messages, and sleep for a little while
888         // to let messages finish bouncing around the system, then we put
889         // ourselves at the top of the z order, then grab the foreground again,
890         // Who knows if it helps, but it probably doesn't hurt
891         SetForegroundWindow (mainwindow);
892
893         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
894         {
895                 TranslateMessage (&msg);
896                 DispatchMessage (&msg);
897         }
898
899         Sleep (100);
900
901         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
902
903         SetForegroundWindow (mainwindow);
904
905         // fix the leftover Alt from any Alt-Tab or the like that switched us away
906         ClearAllStates ();
907
908         hdc = GetDC(mainwindow);
909
910         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
911         {
912                 VID_Shutdown();
913                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
914                 return false;
915         }
916
917         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
918         {
919                 VID_Shutdown();
920                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
921                 return false;
922         }
923
924         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
925         {
926                 VID_Shutdown();
927                 Con_Printf("wgl functions not found\n");
928                 return false;
929         }
930
931         baseRC = qwglCreateContext(hdc);
932         if (!baseRC)
933         {
934                 VID_Shutdown();
935                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
936                 return false;
937         }
938         if (!qwglMakeCurrent(hdc, baseRC))
939         {
940                 VID_Shutdown();
941                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
942                 return false;
943         }
944
945         qglGetString = GL_GetProcAddress("glGetString");
946         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
947         if (qglGetString == NULL)
948         {
949                 VID_Shutdown();
950                 Con_Printf("glGetString not found\n");
951                 return false;
952         }
953         gl_renderer = qglGetString(GL_RENDERER);
954         gl_vendor = qglGetString(GL_VENDOR);
955         gl_version = qglGetString(GL_VERSION);
956         gl_extensions = qglGetString(GL_EXTENSIONS);
957         gl_platform = "WGL";
958         gl_platformextensions = "";
959
960         if (qwglGetExtensionsStringARB)
961                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
962
963         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
964         ReleaseDC(mainwindow, hdc);
965
966         GL_Init ();
967
968         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
969         if (strncasecmp(gl_vendor,"ATI",3)==0)
970         {
971                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
972                         isRagePro = true;
973         }
974         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
975                 isG200 = true;
976
977         //vid_menudrawfn = VID_MenuDraw;
978         //vid_menukeyfn = VID_MenuKey;
979         vid_hidden = false;
980         vid_initialized = true;
981
982         IN_StartupMouse ();
983         IN_StartupJoystick ();
984
985         return true;
986 }
987
988 static void IN_Shutdown(void);
989 void VID_Shutdown (void)
990 {
991         HGLRC hRC = 0;
992         HDC hDC = 0;
993
994         if(vid_initialized == false)
995                 return;
996
997         VID_RestoreSystemGamma();
998
999         vid_initialized = false;
1000         IN_Shutdown();
1001         if (qwglGetCurrentContext)
1002                 hRC = qwglGetCurrentContext();
1003         if (qwglGetCurrentDC)
1004                 hDC = qwglGetCurrentDC();
1005         if (qwglMakeCurrent)
1006                 qwglMakeCurrent(NULL, NULL);
1007         if (hRC && qwglDeleteContext)
1008                 qwglDeleteContext(hRC);
1009         // close the library before we get rid of the window
1010         GL_CloseLibrary();
1011         if (hDC && mainwindow)
1012                 ReleaseDC(mainwindow, hDC);
1013         AppActivate(false, false);
1014         if (mainwindow)
1015                 DestroyWindow(mainwindow);
1016         mainwindow = 0;
1017         if (vid_isfullscreen)
1018                 ChangeDisplaySettings (NULL, 0);
1019         vid_isfullscreen = false;
1020 }
1021
1022
1023 /*
1024 ===========
1025 IN_ShowMouse
1026 ===========
1027 */
1028 void IN_ShowMouse (void)
1029 {
1030         if (!mouseshowtoggle)
1031         {
1032                 ShowCursor (true);
1033                 mouseshowtoggle = 1;
1034         }
1035 }
1036
1037
1038 /*
1039 ===========
1040 IN_HideMouse
1041 ===========
1042 */
1043 void IN_HideMouse (void)
1044 {
1045         if (mouseshowtoggle)
1046         {
1047                 ShowCursor (false);
1048                 mouseshowtoggle = 0;
1049         }
1050 }
1051
1052
1053 /*
1054 ===========
1055 IN_ActivateMouse
1056 ===========
1057 */
1058 void IN_ActivateMouse (void)
1059 {
1060
1061         mouseactivatetoggle = true;
1062
1063         if (mouseinitialized)
1064         {
1065                 if (dinput)
1066                 {
1067                         if (g_pMouse)
1068                         {
1069                                 if (!dinput_acquired)
1070                                 {
1071                                         IDirectInputDevice_Acquire(g_pMouse);
1072                                         dinput_acquired = true;
1073                                 }
1074                         }
1075                         else
1076                         {
1077                                 return;
1078                         }
1079                 }
1080                 else
1081                 {
1082                         RECT window_rect;
1083                         window_rect.left = window_x;
1084                         window_rect.top = window_y;
1085                         window_rect.right = window_x + window_width;
1086                         window_rect.bottom = window_y + window_height;
1087
1088                         if (mouseparmsvalid)
1089                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1090
1091                         SetCursorPos (window_center_x, window_center_y);
1092                         SetCapture (mainwindow);
1093                         ClipCursor (&window_rect);
1094                 }
1095
1096                 mouseactive = true;
1097         }
1098 }
1099
1100
1101 /*
1102 ===========
1103 IN_DeactivateMouse
1104 ===========
1105 */
1106 void IN_DeactivateMouse (void)
1107 {
1108
1109         mouseactivatetoggle = false;
1110
1111         if (mouseinitialized)
1112         {
1113                 if (dinput)
1114                 {
1115                         if (g_pMouse)
1116                         {
1117                                 if (dinput_acquired)
1118                                 {
1119                                         IDirectInputDevice_Unacquire(g_pMouse);
1120                                         dinput_acquired = false;
1121                                 }
1122                         }
1123                 }
1124                 else
1125                 {
1126                         if (restore_spi)
1127                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1128
1129                         ClipCursor (NULL);
1130                         ReleaseCapture ();
1131                 }
1132
1133                 mouseactive = false;
1134         }
1135 }
1136
1137
1138 /*
1139 ===========
1140 IN_InitDInput
1141 ===========
1142 */
1143 qboolean IN_InitDInput (void)
1144 {
1145     HRESULT             hr;
1146         DIPROPDWORD     dipdw = {
1147                 {
1148                         sizeof(DIPROPDWORD),        // diph.dwSize
1149                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1150                         0,                          // diph.dwObj
1151                         DIPH_DEVICE,                // diph.dwHow
1152                 },
1153                 DINPUT_BUFFERSIZE,              // dwData
1154         };
1155
1156         if (!hInstDI)
1157         {
1158                 hInstDI = LoadLibrary("dinput.dll");
1159
1160                 if (hInstDI == NULL)
1161                 {
1162                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1163                         return false;
1164                 }
1165         }
1166
1167         if (!pDirectInputCreate)
1168         {
1169                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1170
1171                 if (!pDirectInputCreate)
1172                 {
1173                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1174                         return false;
1175                 }
1176         }
1177
1178 // register with DirectInput and get an IDirectInput to play with.
1179         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1180
1181         if (FAILED(hr))
1182         {
1183                 return false;
1184         }
1185
1186 // obtain an interface to the system mouse device.
1187         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1188
1189         if (FAILED(hr))
1190         {
1191                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1192                 return false;
1193         }
1194
1195 // set the data format to "mouse format".
1196         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1197
1198         if (FAILED(hr))
1199         {
1200                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1201                 return false;
1202         }
1203
1204 // set the cooperativity level.
1205         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1206                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1207
1208         if (FAILED(hr))
1209         {
1210                 Con_SafePrintf ("Couldn't set DI coop level\n");
1211                 return false;
1212         }
1213
1214
1215 // set the buffer size to DINPUT_BUFFERSIZE elements.
1216 // the buffer size is a DWORD property associated with the device
1217         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1218
1219         if (FAILED(hr))
1220         {
1221                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1222                 return false;
1223         }
1224
1225         return true;
1226 }
1227
1228
1229 /*
1230 ===========
1231 IN_StartupMouse
1232 ===========
1233 */
1234 void IN_StartupMouse (void)
1235 {
1236         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1237                 return;
1238
1239         mouseinitialized = true;
1240
1241         if (COM_CheckParm ("-dinput"))
1242         {
1243                 dinput = IN_InitDInput ();
1244
1245                 if (dinput)
1246                 {
1247                         Con_SafePrintf ("DirectInput initialized\n");
1248                 }
1249                 else
1250                 {
1251                         Con_SafePrintf ("DirectInput not initialized\n");
1252                 }
1253         }
1254
1255         if (!dinput)
1256         {
1257                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1258
1259                 if (mouseparmsvalid)
1260                 {
1261                         if ( COM_CheckParm ("-noforcemspd") )
1262                                 newmouseparms[2] = originalmouseparms[2];
1263
1264                         if ( COM_CheckParm ("-noforcemaccel") )
1265                         {
1266                                 newmouseparms[0] = originalmouseparms[0];
1267                                 newmouseparms[1] = originalmouseparms[1];
1268                         }
1269
1270                         if ( COM_CheckParm ("-noforcemparms") )
1271                         {
1272                                 newmouseparms[0] = originalmouseparms[0];
1273                                 newmouseparms[1] = originalmouseparms[1];
1274                                 newmouseparms[2] = originalmouseparms[2];
1275                         }
1276                 }
1277         }
1278
1279         mouse_buttons = 10;
1280
1281 // if a fullscreen video mode was set before the mouse was initialized,
1282 // set the mouse state appropriately
1283         if (mouseactivatetoggle)
1284                 IN_ActivateMouse ();
1285 }
1286
1287
1288 /*
1289 ===========
1290 IN_MouseEvent
1291 ===========
1292 */
1293 void IN_MouseEvent (int mstate)
1294 {
1295         int     i;
1296
1297         if (mouseactive && !dinput)
1298         {
1299         // perform button actions
1300                 for (i=0 ; i<mouse_buttons ; i++)
1301                 {
1302                         if ( (mstate & (1<<i)) &&
1303                                 !(mouse_oldbuttonstate & (1<<i)) )
1304                         {
1305                                 Key_Event (K_MOUSE1 + i, 0, true);
1306                         }
1307
1308                         if ( !(mstate & (1<<i)) &&
1309                                 (mouse_oldbuttonstate & (1<<i)) )
1310                         {
1311                                 Key_Event (K_MOUSE1 + i, 0, false);
1312                         }
1313                 }
1314
1315                 mouse_oldbuttonstate = mstate;
1316         }
1317 }
1318
1319
1320 /*
1321 ===========
1322 IN_MouseMove
1323 ===========
1324 */
1325 void IN_MouseMove (usercmd_t *cmd)
1326 {
1327         int                                     i, mx, my;
1328         DIDEVICEOBJECTDATA      od;
1329         DWORD                           dwElements;
1330         HRESULT                         hr;
1331
1332         if (!mouseactive)
1333         {
1334                 GetCursorPos (&current_pos);
1335                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1336                 in_mouse_x = in_mouse_y = 0;
1337                 return;
1338         }
1339
1340         if (dinput)
1341         {
1342                 mx = 0;
1343                 my = 0;
1344
1345                 for (;;)
1346                 {
1347                         dwElements = 1;
1348
1349                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1350                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1351
1352                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1353                         {
1354                                 dinput_acquired = true;
1355                                 IDirectInputDevice_Acquire(g_pMouse);
1356                                 break;
1357                         }
1358
1359                         /* Unable to read data or no data available */
1360                         if (FAILED(hr) || dwElements == 0)
1361                                 break;
1362
1363                         /* Look at the element to see what happened */
1364
1365                         switch (od.dwOfs)
1366                         {
1367                                 case DIMOFS_X:
1368                                         mx += od.dwData;
1369                                         break;
1370
1371                                 case DIMOFS_Y:
1372                                         my += od.dwData;
1373                                         break;
1374
1375                                 case DIMOFS_BUTTON0:
1376                                         if (od.dwData & 0x80)
1377                                                 mstate_di |= 1;
1378                                         else
1379                                                 mstate_di &= ~1;
1380                                         break;
1381
1382                                 case DIMOFS_BUTTON1:
1383                                         if (od.dwData & 0x80)
1384                                                 mstate_di |= (1<<1);
1385                                         else
1386                                                 mstate_di &= ~(1<<1);
1387                                         break;
1388
1389                                 case DIMOFS_BUTTON2:
1390                                         if (od.dwData & 0x80)
1391                                                 mstate_di |= (1<<2);
1392                                         else
1393                                                 mstate_di &= ~(1<<2);
1394                                         break;
1395                         }
1396                 }
1397
1398         // perform button actions
1399                 for (i=0 ; i<mouse_buttons ; i++)
1400                 {
1401                         if ( (mstate_di & (1<<i)) &&
1402                                 !(mouse_oldbuttonstate & (1<<i)) )
1403                         {
1404                                 Key_Event (K_MOUSE1 + i, 0, true);
1405                         }
1406
1407                         if ( !(mstate_di & (1<<i)) &&
1408                                 (mouse_oldbuttonstate & (1<<i)) )
1409                         {
1410                                 Key_Event (K_MOUSE1 + i, 0, false);
1411                         }
1412                 }
1413
1414                 mouse_oldbuttonstate = mstate_di;
1415         }
1416         else
1417         {
1418                 GetCursorPos (&current_pos);
1419                 mx = current_pos.x - window_center_x + mx_accum;
1420                 my = current_pos.y - window_center_y + my_accum;
1421                 mx_accum = 0;
1422                 my_accum = 0;
1423         }
1424
1425         IN_Mouse(cmd, mx, my);
1426
1427         // if the mouse has moved, force it to the center, so there's room to move
1428         if (!dinput && (mx || my))
1429                 SetCursorPos (window_center_x, window_center_y);
1430 }
1431
1432
1433 /*
1434 ===========
1435 IN_Move
1436 ===========
1437 */
1438 void IN_Move (usercmd_t *cmd)
1439 {
1440         if (vid_activewindow && !vid_hidden)
1441         {
1442                 IN_MouseMove (cmd);
1443                 IN_JoyMove (cmd);
1444         }
1445 }
1446
1447
1448 /*
1449 ===========
1450 IN_Accumulate
1451 ===========
1452 */
1453 void IN_Accumulate (void)
1454 {
1455         if (mouseactive)
1456         {
1457                 if (!dinput)
1458                 {
1459                         GetCursorPos (&current_pos);
1460
1461                         mx_accum += current_pos.x - window_center_x;
1462                         my_accum += current_pos.y - window_center_y;
1463
1464                 // force the mouse to the center, so there's room to move
1465                         SetCursorPos (window_center_x, window_center_y);
1466                 }
1467         }
1468 }
1469
1470
1471 /*
1472 ===================
1473 IN_ClearStates
1474 ===================
1475 */
1476 void IN_ClearStates (void)
1477 {
1478         if (mouseactive)
1479         {
1480                 mx_accum = 0;
1481                 my_accum = 0;
1482                 mouse_oldbuttonstate = 0;
1483         }
1484 }
1485
1486
1487 /*
1488 ===============
1489 IN_StartupJoystick
1490 ===============
1491 */
1492 void IN_StartupJoystick (void)
1493 {
1494         int                     numdevs;
1495         JOYCAPS         jc;
1496         MMRESULT        mmr;
1497         mmr = 0;
1498
1499         // assume no joystick
1500         joy_avail = false;
1501
1502         // abort startup if user requests no joystick
1503         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1504                 return;
1505
1506         // verify joystick driver is present
1507         if ((numdevs = joyGetNumDevs ()) == 0)
1508         {
1509                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1510                 return;
1511         }
1512
1513         // cycle through the joystick ids for the first valid one
1514         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1515         {
1516                 memset (&ji, 0, sizeof(ji));
1517                 ji.dwSize = sizeof(ji);
1518                 ji.dwFlags = JOY_RETURNCENTERED;
1519
1520                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1521                         break;
1522         }
1523
1524         // abort startup if we didn't find a valid joystick
1525         if (mmr != JOYERR_NOERROR)
1526         {
1527                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1528                 return;
1529         }
1530
1531         // get the capabilities of the selected joystick
1532         // abort startup if command fails
1533         memset (&jc, 0, sizeof(jc));
1534         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1535         {
1536                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1537                 return;
1538         }
1539
1540         // save the joystick's number of buttons and POV status
1541         joy_numbuttons = jc.wNumButtons;
1542         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1543
1544         // old button and POV states default to no buttons pressed
1545         joy_oldbuttonstate = joy_oldpovstate = 0;
1546
1547         // mark the joystick as available and advanced initialization not completed
1548         // this is needed as cvars are not available during initialization
1549
1550         joy_avail = true;
1551         joy_advancedinit = false;
1552
1553         Con_Printf ("\njoystick detected\n\n");
1554 }
1555
1556
1557 /*
1558 ===========
1559 RawValuePointer
1560 ===========
1561 */
1562 PDWORD RawValuePointer (int axis)
1563 {
1564         switch (axis)
1565         {
1566         case JOY_AXIS_X:
1567                 return &ji.dwXpos;
1568         case JOY_AXIS_Y:
1569                 return &ji.dwYpos;
1570         case JOY_AXIS_Z:
1571                 return &ji.dwZpos;
1572         case JOY_AXIS_R:
1573                 return &ji.dwRpos;
1574         case JOY_AXIS_U:
1575                 return &ji.dwUpos;
1576         case JOY_AXIS_V:
1577                 return &ji.dwVpos;
1578         }
1579         return NULL; // LordHavoc: hush compiler warning
1580 }
1581
1582
1583 /*
1584 ===========
1585 Joy_AdvancedUpdate_f
1586 ===========
1587 */
1588 void Joy_AdvancedUpdate_f (void)
1589 {
1590
1591         // called once by IN_ReadJoystick and by user whenever an update is needed
1592         // cvars are now available
1593         int     i;
1594         DWORD dwTemp;
1595
1596         // initialize all the maps
1597         for (i = 0; i < JOY_MAX_AXES; i++)
1598         {
1599                 dwAxisMap[i] = AxisNada;
1600                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1601                 pdwRawValue[i] = RawValuePointer(i);
1602         }
1603
1604         if( joy_advanced.integer == 0)
1605         {
1606                 // default joystick initialization
1607                 // 2 axes only with joystick control
1608                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1609                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1610                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1611                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1612         }
1613         else
1614         {
1615                 if (strcmp (joy_name.string, "joystick") != 0)
1616                 {
1617                         // notify user of advanced controller
1618                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1619                 }
1620
1621                 // advanced initialization here
1622                 // data supplied by user via joy_axisn cvars
1623                 dwTemp = (DWORD) joy_advaxisx.value;
1624                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1625                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1626                 dwTemp = (DWORD) joy_advaxisy.value;
1627                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1628                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1629                 dwTemp = (DWORD) joy_advaxisz.value;
1630                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1631                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1632                 dwTemp = (DWORD) joy_advaxisr.value;
1633                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1634                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1635                 dwTemp = (DWORD) joy_advaxisu.value;
1636                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1637                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1638                 dwTemp = (DWORD) joy_advaxisv.value;
1639                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1640                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1641         }
1642
1643         // compute the axes to collect from DirectInput
1644         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1645         for (i = 0; i < JOY_MAX_AXES; i++)
1646         {
1647                 if (dwAxisMap[i] != AxisNada)
1648                 {
1649                         joy_flags |= dwAxisFlags[i];
1650                 }
1651         }
1652 }
1653
1654 /*
1655 ===========
1656 IN_Commands
1657 ===========
1658 */
1659 void IN_Commands (void)
1660 {
1661         int             i, key_index;
1662         DWORD   buttonstate, povstate;
1663
1664         if (!joy_avail)
1665         {
1666                 return;
1667         }
1668
1669
1670         // loop through the joystick buttons
1671         // key a joystick event or auxillary event for higher number buttons for each state change
1672         buttonstate = ji.dwButtons;
1673         for (i=0 ; i < (int) joy_numbuttons ; i++)
1674         {
1675                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1676                 {
1677                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1678                         Key_Event (key_index + i, 0, true);
1679                 }
1680
1681                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1682                 {
1683                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1684                         Key_Event (key_index + i, 0, false);
1685                 }
1686         }
1687         joy_oldbuttonstate = buttonstate;
1688
1689         if (joy_haspov)
1690         {
1691                 // convert POV information into 4 bits of state information
1692                 // this avoids any potential problems related to moving from one
1693                 // direction to another without going through the center position
1694                 povstate = 0;
1695                 if(ji.dwPOV != JOY_POVCENTERED)
1696                 {
1697                         if (ji.dwPOV == JOY_POVFORWARD)
1698                                 povstate |= 0x01;
1699                         if (ji.dwPOV == JOY_POVRIGHT)
1700                                 povstate |= 0x02;
1701                         if (ji.dwPOV == JOY_POVBACKWARD)
1702                                 povstate |= 0x04;
1703                         if (ji.dwPOV == JOY_POVLEFT)
1704                                 povstate |= 0x08;
1705                 }
1706                 // determine which bits have changed and key an auxillary event for each change
1707                 for (i=0 ; i < 4 ; i++)
1708                 {
1709                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1710                         {
1711                                 Key_Event (K_AUX29 + i, 0, true);
1712                         }
1713
1714                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1715                         {
1716                                 Key_Event (K_AUX29 + i, 0, false);
1717                         }
1718                 }
1719                 joy_oldpovstate = povstate;
1720         }
1721 }
1722
1723
1724 /*
1725 ===============
1726 IN_ReadJoystick
1727 ===============
1728 */
1729 qboolean IN_ReadJoystick (void)
1730 {
1731
1732         memset (&ji, 0, sizeof(ji));
1733         ji.dwSize = sizeof(ji);
1734         ji.dwFlags = joy_flags;
1735
1736         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1737         {
1738                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1739                 // rather than having 32768 be the zero point, they have the zero point at 32668
1740                 // go figure -- anyway, now we get the full resolution out of the device
1741                 if (joy_wwhack1.integer != 0.0)
1742                 {
1743                         ji.dwUpos += 100;
1744                 }
1745                 return true;
1746         }
1747         else
1748         {
1749                 // read error occurred
1750                 // turning off the joystick seems too harsh for 1 read error,
1751                 // but what should be done?
1752                 return false;
1753         }
1754 }
1755
1756
1757 /*
1758 ===========
1759 IN_JoyMove
1760 ===========
1761 */
1762 void IN_JoyMove (usercmd_t *cmd)
1763 {
1764         float   speed, aspeed;
1765         float   fAxisValue, fTemp;
1766         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1767
1768         // complete initialization if first time in
1769         // this is needed as cvars are not available at initialization time
1770         if( joy_advancedinit != true )
1771         {
1772                 Joy_AdvancedUpdate_f();
1773                 joy_advancedinit = true;
1774         }
1775
1776         // verify joystick is available and that the user wants to use it
1777         if (!joy_avail || !in_joystick.integer)
1778         {
1779                 return;
1780         }
1781
1782         // collect the joystick data, if possible
1783         if (IN_ReadJoystick () != true)
1784         {
1785                 return;
1786         }
1787
1788         if (in_speed.state & 1)
1789                 speed = cl_movespeedkey.value;
1790         else
1791                 speed = 1;
1792         // LordHavoc: viewzoom affects sensitivity for sniping
1793         aspeed = speed * host_realframetime * cl.viewzoom;
1794
1795         // loop through the axes
1796         for (i = 0; i < JOY_MAX_AXES; i++)
1797         {
1798                 // get the floating point zero-centered, potentially-inverted data for the current axis
1799                 fAxisValue = (float) *pdwRawValue[i];
1800                 // move centerpoint to zero
1801                 fAxisValue -= 32768.0;
1802
1803                 if (joy_wwhack2.integer != 0.0)
1804                 {
1805                         if (dwAxisMap[i] == AxisTurn)
1806                         {
1807                                 // this is a special formula for the Logitech WingMan Warrior
1808                                 // y=ax^b; where a = 300 and b = 1.3
1809                                 // also x values are in increments of 800 (so this is factored out)
1810                                 // then bounds check result to level out excessively high spin rates
1811                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1812                                 if (fTemp > 14000.0)
1813                                         fTemp = 14000.0;
1814                                 // restore direction information
1815                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1816                         }
1817                 }
1818
1819                 // convert range from -32768..32767 to -1..1
1820                 fAxisValue /= 32768.0;
1821
1822                 switch (dwAxisMap[i])
1823                 {
1824                 case AxisForward:
1825                         if ((joy_advanced.integer == 0) && mouselook)
1826                         {
1827                                 // user wants forward control to become look control
1828                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1829                                 {
1830                                         // if mouse invert is on, invert the joystick pitch value
1831                                         // only absolute control support here (joy_advanced is false)
1832                                         if (m_pitch.value < 0.0)
1833                                         {
1834                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1835                                         }
1836                                         else
1837                                         {
1838                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1839                                         }
1840                                         V_StopPitchDrift();
1841                                 }
1842                                 else
1843                                 {
1844                                         // no pitch movement
1845                                         // disable pitch return-to-center unless requested by user
1846                                         // *** this code can be removed when the lookspring bug is fixed
1847                                         // *** the bug always has the lookspring feature on
1848                                         if(lookspring.value == 0.0)
1849                                                 V_StopPitchDrift();
1850                                 }
1851                         }
1852                         else
1853                         {
1854                                 // user wants forward control to be forward control
1855                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1856                                 {
1857                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1858                                 }
1859                         }
1860                         break;
1861
1862                 case AxisSide:
1863                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1864                         {
1865                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1866                         }
1867                         break;
1868
1869                 case AxisTurn:
1870                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1871                         {
1872                                 // user wants turn control to become side control
1873                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1874                                 {
1875                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1876                                 }
1877                         }
1878                         else
1879                         {
1880                                 // user wants turn control to be turn control
1881                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1882                                 {
1883                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1884                                         {
1885                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1886                                         }
1887                                         else
1888                                         {
1889                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1890                                         }
1891
1892                                 }
1893                         }
1894                         break;
1895
1896                 case AxisLook:
1897                         if (mouselook)
1898                         {
1899                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1900                                 {
1901                                         // pitch movement detected and pitch movement desired by user
1902                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1903                                         {
1904                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1905                                         }
1906                                         else
1907                                         {
1908                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1909                                         }
1910                                         V_StopPitchDrift();
1911                                 }
1912                                 else
1913                                 {
1914                                         // no pitch movement
1915                                         // disable pitch return-to-center unless requested by user
1916                                         // *** this code can be removed when the lookspring bug is fixed
1917                                         // *** the bug always has the lookspring feature on
1918                                         if(lookspring.integer == 0)
1919                                                 V_StopPitchDrift();
1920                                 }
1921                         }
1922                         break;
1923
1924                 default:
1925                         break;
1926                 }
1927         }
1928 }
1929
1930 static void IN_Init(void)
1931 {
1932         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1933
1934         // joystick variables
1935         Cvar_RegisterVariable (&in_joystick);
1936         Cvar_RegisterVariable (&joy_name);
1937         Cvar_RegisterVariable (&joy_advanced);
1938         Cvar_RegisterVariable (&joy_advaxisx);
1939         Cvar_RegisterVariable (&joy_advaxisy);
1940         Cvar_RegisterVariable (&joy_advaxisz);
1941         Cvar_RegisterVariable (&joy_advaxisr);
1942         Cvar_RegisterVariable (&joy_advaxisu);
1943         Cvar_RegisterVariable (&joy_advaxisv);
1944         Cvar_RegisterVariable (&joy_forwardthreshold);
1945         Cvar_RegisterVariable (&joy_sidethreshold);
1946         Cvar_RegisterVariable (&joy_pitchthreshold);
1947         Cvar_RegisterVariable (&joy_yawthreshold);
1948         Cvar_RegisterVariable (&joy_forwardsensitivity);
1949         Cvar_RegisterVariable (&joy_sidesensitivity);
1950         Cvar_RegisterVariable (&joy_pitchsensitivity);
1951         Cvar_RegisterVariable (&joy_yawsensitivity);
1952         Cvar_RegisterVariable (&joy_wwhack1);
1953         Cvar_RegisterVariable (&joy_wwhack2);
1954         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1955 }
1956
1957 static void IN_Shutdown(void)
1958 {
1959         IN_DeactivateMouse ();
1960         IN_ShowMouse ();
1961
1962         if (g_pMouse)
1963                 IDirectInputDevice_Release(g_pMouse);
1964         g_pMouse = NULL;
1965
1966         if (g_pdi)
1967                 IDirectInput_Release(g_pdi);
1968         g_pdi = NULL;
1969 }