thanks to Andreas Kirsh for a discussion about using WS_EX_TOPMOST flag on the fullsc...
[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, 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         extern unsigned int uiWheelMessage;
517
518         if ( uMsg == uiWheelMessage )
519                 uMsg = WM_MOUSEWHEEL;
520
521         switch (uMsg)
522         {
523                 case WM_KILLFOCUS:
524                         if (vid_isfullscreen)
525                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
526                         break;
527
528                 case WM_CREATE:
529                         break;
530
531                 case WM_MOVE:
532                         window_x = (int) LOWORD(lParam);
533                         window_y = (int) HIWORD(lParam);
534                         VID_UpdateWindowStatus ();
535                         break;
536
537                 case WM_KEYDOWN:
538                 case WM_SYSKEYDOWN:
539                         Key_Event (MapKey(lParam, wParam), true);
540                         break;
541
542                 case WM_KEYUP:
543                 case WM_SYSKEYUP:
544                         Key_Event (MapKey(lParam, wParam), false);
545                         break;
546
547                 case WM_SYSCHAR:
548                 // keep Alt-Space from happening
549                         break;
550
551         // this is complicated because Win32 seems to pack multiple mouse events into
552         // one update sometimes, so we always check all states and look for events
553                 case WM_LBUTTONDOWN:
554                 case WM_LBUTTONUP:
555                 case WM_RBUTTONDOWN:
556                 case WM_RBUTTONUP:
557                 case WM_MBUTTONDOWN:
558                 case WM_MBUTTONUP:
559                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
560                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
561                 case WM_MOUSEMOVE:
562                         temp = 0;
563
564                         if (wParam & MK_LBUTTON)
565                                 temp |= 1;
566
567                         if (wParam & MK_RBUTTON)
568                                 temp |= 2;
569
570                         if (wParam & MK_MBUTTON)
571                                 temp |= 4;
572
573                         /* backslash :: imouse explorer buttons */
574                         if (wParam & MK_XBUTTON1)
575                                 temp |= 8;
576
577                         if (wParam & MK_XBUTTON2)
578                                 temp |= 16;
579                         /* :: backslash */
580
581                         // LordHavoc: lets hope this allows more buttons in the future...
582                         if (wParam & MK_XBUTTON3)
583                                 temp |= 32;
584                         if (wParam & MK_XBUTTON4)
585                                 temp |= 64;
586                         if (wParam & MK_XBUTTON5)
587                                 temp |= 128;
588                         if (wParam & MK_XBUTTON6)
589                                 temp |= 256;
590                         if (wParam & MK_XBUTTON7)
591                                 temp |= 512;
592
593                         IN_MouseEvent (temp);
594
595                         break;
596
597                 // JACK: This is the mouse wheel with the Intellimouse
598                 // Its delta is either positive or neg, and we generate the proper
599                 // Event.
600                 case WM_MOUSEWHEEL:
601                         if ((short) HIWORD(wParam) > 0) {
602                                 Key_Event(K_MWHEELUP, true);
603                                 Key_Event(K_MWHEELUP, false);
604                         } else {
605                                 Key_Event(K_MWHEELDOWN, true);
606                                 Key_Event(K_MWHEELDOWN, false);
607                         }
608                         break;
609
610                 case WM_SIZE:
611                         break;
612
613                 case WM_CLOSE:
614                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
615                                 Sys_Quit ();
616
617                         break;
618
619                 case WM_ACTIVATE:
620                         fActive = LOWORD(wParam);
621                         fMinimized = (BOOL) HIWORD(wParam);
622                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
623
624                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
625                         ClearAllStates ();
626
627                         break;
628
629                 //case WM_DESTROY:
630                 //      PostQuitMessage (0);
631                 //      break;
632
633                 case MM_MCINOTIFY:
634                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
635                         break;
636
637                 default:
638                         /* pass all unhandled messages to DefWindowProc */
639                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
640                 break;
641         }
642
643         /* return 1 if handled message, 0 if not */
644         return lRet;
645 }
646
647 int VID_SetGamma(unsigned short *ramps)
648 {
649         HDC hdc = GetDC (NULL);
650         int i = SetDeviceGammaRamp(hdc, ramps);
651         ReleaseDC (NULL, hdc);
652         return i; // return success or failure
653 }
654
655 int VID_GetGamma(unsigned short *ramps)
656 {
657         HDC hdc = GetDC (NULL);
658         int i = GetDeviceGammaRamp(hdc, ramps);
659         ReleaseDC (NULL, hdc);
660         return i; // return success or failure
661 }
662
663 static HINSTANCE gldll;
664
665 int GL_OpenLibrary(const char *name)
666 {
667         Con_Printf("Loading OpenGL driver %s\n", name);
668         GL_CloseLibrary();
669         if (!(gldll = LoadLibrary(name)))
670         {
671                 Con_Printf("Unable to LoadLibrary %s\n", name);
672                 return false;
673         }
674         strcpy(gl_driver, name);
675         return true;
676 }
677
678 void GL_CloseLibrary(void)
679 {
680         FreeLibrary(gldll);
681         gldll = 0;
682         gl_driver[0] = 0;
683         qwglGetProcAddress = NULL;
684         gl_extensions = "";
685         gl_platform = "";
686         gl_platformextensions = "";
687 }
688
689 void *GL_GetProcAddress(const char *name)
690 {
691         void *p = NULL;
692         if (qwglGetProcAddress != NULL)
693                 p = (void *) qwglGetProcAddress(name);
694         if (p == NULL)
695                 p = (void *) GetProcAddress(gldll, name);
696         return p;
697 }
698
699 static void IN_Init(void);
700 void VID_Init(void)
701 {
702         WNDCLASS wc;
703
704         InitCommonControls();
705         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
706
707         // Register the frame class
708         wc.style         = 0;
709         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
710         wc.cbClsExtra    = 0;
711         wc.cbWndExtra    = 0;
712         wc.hInstance     = global_hInstance;
713         wc.hIcon         = 0;
714         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
715         wc.hbrBackground = NULL;
716         wc.lpszMenuName  = 0;
717         wc.lpszClassName = "DarkPlacesWindowClass";
718
719         if (!RegisterClass (&wc))
720                 Sys_Error("Couldn't register window class\n");
721
722         IN_Init();
723 }
724
725 int VID_InitMode (int fullscreen, int width, int height, int bpp, int stencil)
726 {
727         int i;
728         HDC hdc;
729         RECT rect;
730         MSG msg;
731         PIXELFORMATDESCRIPTOR pfd =
732         {
733                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
734                 1,                              // version number
735                 PFD_DRAW_TO_WINDOW              // support window
736                 |  PFD_SUPPORT_OPENGL   // support OpenGL
737                 |  PFD_DOUBLEBUFFER ,   // double buffered
738                 PFD_TYPE_RGBA,                  // RGBA type
739                 24,                             // 24-bit color depth
740                 0, 0, 0, 0, 0, 0,               // color bits ignored
741                 0,                              // no alpha buffer
742                 0,                              // shift bit ignored
743                 0,                              // no accumulation buffer
744                 0, 0, 0, 0,                     // accum bits ignored
745                 32,                             // 32-bit z-buffer
746                 0,                              // no stencil buffer
747                 0,                              // no auxiliary buffer
748                 PFD_MAIN_PLANE,                 // main layer
749                 0,                              // reserved
750                 0, 0, 0                         // layer masks ignored
751         };
752         int pixelformat;
753         DWORD WindowStyle, ExWindowStyle;
754         HGLRC baseRC;
755         int CenterX, CenterY;
756         const char *gldrivername;
757
758         if (vid_initialized)
759                 Sys_Error("VID_InitMode called when video is already initialised\n");
760
761         // if stencil is enabled, ask for alpha too
762         if (stencil)
763         {
764                 pfd.cStencilBits = 8;
765                 pfd.cAlphaBits = 8;
766         }
767         else
768         {
769                 pfd.cStencilBits = 0;
770                 pfd.cAlphaBits = 0;
771         }
772
773         gldrivername = "opengl32.dll";
774         i = COM_CheckParm("-gl_driver");
775         if (i && i < com_argc - 1)
776                 gldrivername = com_argv[i + 1];
777         if (!GL_OpenLibrary(gldrivername))
778         {
779                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
780                 return false;
781         }
782
783         memset(&gdevmode, 0, sizeof(gdevmode));
784
785         vid_isfullscreen = false;
786         if (fullscreen)
787         {
788                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
789                 gdevmode.dmBitsPerPel = bpp;
790                 gdevmode.dmPelsWidth = width;
791                 gdevmode.dmPelsHeight = height;
792                 gdevmode.dmSize = sizeof (gdevmode);
793                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
794                 {
795                         VID_Shutdown();
796                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
797                         return false;
798                 }
799
800                 vid_isfullscreen = true;
801                 WindowStyle = WS_POPUP;
802                 ExWindowStyle = WS_EX_TOPMOST;
803         }
804         else
805         {
806                 hdc = GetDC (NULL);
807                 i = GetDeviceCaps(hdc, RASTERCAPS);
808                 ReleaseDC (NULL, hdc);
809                 if (i & RC_PALETTE)
810                 {
811                         VID_Shutdown();
812                         Con_Printf ("Can't run in non-RGB mode\n");
813                         return false;
814                 }
815
816                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
817                 ExWindowStyle = 0;
818         }
819
820         rect.top = 0;
821         rect.left = 0;
822         rect.right = width;
823         rect.bottom = height;
824         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
825
826         if (fullscreen)
827         {
828                 CenterX = 0;
829                 CenterY = 0;
830         }
831         else
832         {
833                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
834                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
835         }
836         CenterX = max(0, CenterX);
837         CenterY = max(0, CenterY);
838
839         // x and y may be changed by WM_MOVE messages
840         window_x = CenterX;
841         window_y = CenterY;
842         window_width = width;
843         window_height = height;
844         rect.left += CenterX;
845         rect.right += CenterX;
846         rect.top += CenterY;
847         rect.bottom += CenterY;
848
849         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
850         if (!mainwindow)
851         {
852                 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);
853                 VID_Shutdown();
854                 return false;
855         }
856
857         /*
858         if (!fullscreen)
859                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
860         */
861
862         ShowWindow (mainwindow, SW_SHOWDEFAULT);
863         UpdateWindow (mainwindow);
864
865         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
866         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
867
868         VID_UpdateWindowStatus ();
869
870         // now we try to make sure we get the focus on the mode switch, because
871         // sometimes in some systems we don't.  We grab the foreground, then
872         // finish setting up, pump all our messages, and sleep for a little while
873         // to let messages finish bouncing around the system, then we put
874         // ourselves at the top of the z order, then grab the foreground again,
875         // Who knows if it helps, but it probably doesn't hurt
876         SetForegroundWindow (mainwindow);
877
878         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
879         {
880                 TranslateMessage (&msg);
881                 DispatchMessage (&msg);
882         }
883
884         Sleep (100);
885
886         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
887
888         SetForegroundWindow (mainwindow);
889
890         // fix the leftover Alt from any Alt-Tab or the like that switched us away
891         ClearAllStates ();
892
893         hdc = GetDC(mainwindow);
894
895         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
896         {
897                 VID_Shutdown();
898                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
899                 return false;
900         }
901
902         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
903         {
904                 VID_Shutdown();
905                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
906                 return false;
907         }
908
909         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
910         {
911                 VID_Shutdown();
912                 Con_Printf("wgl functions not found\n");
913                 return false;
914         }
915
916         baseRC = qwglCreateContext(hdc);
917         if (!baseRC)
918         {
919                 VID_Shutdown();
920                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
921                 return false;
922         }
923         if (!qwglMakeCurrent(hdc, baseRC))
924         {
925                 VID_Shutdown();
926                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
927                 return false;
928         }
929
930         qglGetString = GL_GetProcAddress("glGetString");
931         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
932         if (qglGetString == NULL)
933         {
934                 VID_Shutdown();
935                 Con_Printf("glGetString not found\n");
936                 return false;
937         }
938         gl_renderer = qglGetString(GL_RENDERER);
939         gl_vendor = qglGetString(GL_VENDOR);
940         gl_version = qglGetString(GL_VERSION);
941         gl_extensions = qglGetString(GL_EXTENSIONS);
942         gl_platform = "WGL";
943         gl_platformextensions = "";
944
945         if (qwglGetExtensionsStringARB)
946                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
947
948         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
949         ReleaseDC(mainwindow, hdc);
950
951         GL_Init ();
952
953         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
954         if (strncasecmp(gl_vendor,"ATI",3)==0)
955         {
956                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
957                         isRagePro = true;
958         }
959         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
960                 isG200 = true;
961
962         //vid_menudrawfn = VID_MenuDraw;
963         //vid_menukeyfn = VID_MenuKey;
964         vid_hidden = false;
965         vid_initialized = true;
966
967         IN_StartupMouse ();
968         IN_StartupJoystick ();
969
970         return true;
971 }
972
973 static void IN_Shutdown(void);
974 void VID_Shutdown (void)
975 {
976         HGLRC hRC = 0;
977         HDC hDC = 0;
978
979         VID_RestoreSystemGamma();
980
981         vid_initialized = false;
982         IN_Shutdown();
983         if (qwglGetCurrentContext)
984                 hRC = qwglGetCurrentContext();
985         if (qwglGetCurrentDC)
986                 hDC = qwglGetCurrentDC();
987         if (qwglMakeCurrent)
988                 qwglMakeCurrent(NULL, NULL);
989         if (hRC && qwglDeleteContext)
990                 qwglDeleteContext(hRC);
991         // close the library before we get rid of the window
992         GL_CloseLibrary();
993         if (hDC && mainwindow)
994                 ReleaseDC(mainwindow, hDC);
995         AppActivate(false, false);
996         if (mainwindow)
997                 DestroyWindow(mainwindow);
998         mainwindow = 0;
999         if (vid_isfullscreen)
1000                 ChangeDisplaySettings (NULL, 0);
1001         vid_isfullscreen = false;
1002 }
1003
1004
1005 /*
1006 ===========
1007 IN_ShowMouse
1008 ===========
1009 */
1010 void IN_ShowMouse (void)
1011 {
1012         if (!mouseshowtoggle)
1013         {
1014                 ShowCursor (true);
1015                 mouseshowtoggle = 1;
1016         }
1017 }
1018
1019
1020 /*
1021 ===========
1022 IN_HideMouse
1023 ===========
1024 */
1025 void IN_HideMouse (void)
1026 {
1027         if (mouseshowtoggle)
1028         {
1029                 ShowCursor (false);
1030                 mouseshowtoggle = 0;
1031         }
1032 }
1033
1034
1035 /*
1036 ===========
1037 IN_ActivateMouse
1038 ===========
1039 */
1040 void IN_ActivateMouse (void)
1041 {
1042
1043         mouseactivatetoggle = true;
1044
1045         if (mouseinitialized)
1046         {
1047                 if (dinput)
1048                 {
1049                         if (g_pMouse)
1050                         {
1051                                 if (!dinput_acquired)
1052                                 {
1053                                         IDirectInputDevice_Acquire(g_pMouse);
1054                                         dinput_acquired = true;
1055                                 }
1056                         }
1057                         else
1058                         {
1059                                 return;
1060                         }
1061                 }
1062                 else
1063                 {
1064                         RECT window_rect;
1065                         window_rect.left = window_x;
1066                         window_rect.top = window_y;
1067                         window_rect.right = window_x + window_width;
1068                         window_rect.bottom = window_y + window_height;
1069
1070                         if (mouseparmsvalid)
1071                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1072
1073                         SetCursorPos (window_center_x, window_center_y);
1074                         SetCapture (mainwindow);
1075                         ClipCursor (&window_rect);
1076                 }
1077
1078                 mouseactive = true;
1079         }
1080 }
1081
1082
1083 /*
1084 ===========
1085 IN_DeactivateMouse
1086 ===========
1087 */
1088 void IN_DeactivateMouse (void)
1089 {
1090
1091         mouseactivatetoggle = false;
1092
1093         if (mouseinitialized)
1094         {
1095                 if (dinput)
1096                 {
1097                         if (g_pMouse)
1098                         {
1099                                 if (dinput_acquired)
1100                                 {
1101                                         IDirectInputDevice_Unacquire(g_pMouse);
1102                                         dinput_acquired = false;
1103                                 }
1104                         }
1105                 }
1106                 else
1107                 {
1108                         if (restore_spi)
1109                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1110
1111                         ClipCursor (NULL);
1112                         ReleaseCapture ();
1113                 }
1114
1115                 mouseactive = false;
1116         }
1117 }
1118
1119
1120 /*
1121 ===========
1122 IN_InitDInput
1123 ===========
1124 */
1125 qboolean IN_InitDInput (void)
1126 {
1127     HRESULT             hr;
1128         DIPROPDWORD     dipdw = {
1129                 {
1130                         sizeof(DIPROPDWORD),        // diph.dwSize
1131                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1132                         0,                          // diph.dwObj
1133                         DIPH_DEVICE,                // diph.dwHow
1134                 },
1135                 DINPUT_BUFFERSIZE,              // dwData
1136         };
1137
1138         if (!hInstDI)
1139         {
1140                 hInstDI = LoadLibrary("dinput.dll");
1141
1142                 if (hInstDI == NULL)
1143                 {
1144                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1145                         return false;
1146                 }
1147         }
1148
1149         if (!pDirectInputCreate)
1150         {
1151                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1152
1153                 if (!pDirectInputCreate)
1154                 {
1155                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1156                         return false;
1157                 }
1158         }
1159
1160 // register with DirectInput and get an IDirectInput to play with.
1161         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1162
1163         if (FAILED(hr))
1164         {
1165                 return false;
1166         }
1167
1168 // obtain an interface to the system mouse device.
1169         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1170
1171         if (FAILED(hr))
1172         {
1173                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1174                 return false;
1175         }
1176
1177 // set the data format to "mouse format".
1178         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1179
1180         if (FAILED(hr))
1181         {
1182                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1183                 return false;
1184         }
1185
1186 // set the cooperativity level.
1187         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1188                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1189
1190         if (FAILED(hr))
1191         {
1192                 Con_SafePrintf ("Couldn't set DI coop level\n");
1193                 return false;
1194         }
1195
1196
1197 // set the buffer size to DINPUT_BUFFERSIZE elements.
1198 // the buffer size is a DWORD property associated with the device
1199         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1200
1201         if (FAILED(hr))
1202         {
1203                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1204                 return false;
1205         }
1206
1207         return true;
1208 }
1209
1210
1211 /*
1212 ===========
1213 IN_StartupMouse
1214 ===========
1215 */
1216 void IN_StartupMouse (void)
1217 {
1218         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1219                 return;
1220
1221         mouseinitialized = true;
1222
1223         if (COM_CheckParm ("-dinput"))
1224         {
1225                 dinput = IN_InitDInput ();
1226
1227                 if (dinput)
1228                 {
1229                         Con_SafePrintf ("DirectInput initialized\n");
1230                 }
1231                 else
1232                 {
1233                         Con_SafePrintf ("DirectInput not initialized\n");
1234                 }
1235         }
1236
1237         if (!dinput)
1238         {
1239                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1240
1241                 if (mouseparmsvalid)
1242                 {
1243                         if ( COM_CheckParm ("-noforcemspd") )
1244                                 newmouseparms[2] = originalmouseparms[2];
1245
1246                         if ( COM_CheckParm ("-noforcemaccel") )
1247                         {
1248                                 newmouseparms[0] = originalmouseparms[0];
1249                                 newmouseparms[1] = originalmouseparms[1];
1250                         }
1251
1252                         if ( COM_CheckParm ("-noforcemparms") )
1253                         {
1254                                 newmouseparms[0] = originalmouseparms[0];
1255                                 newmouseparms[1] = originalmouseparms[1];
1256                                 newmouseparms[2] = originalmouseparms[2];
1257                         }
1258                 }
1259         }
1260
1261         mouse_buttons = 10;
1262
1263 // if a fullscreen video mode was set before the mouse was initialized,
1264 // set the mouse state appropriately
1265         if (mouseactivatetoggle)
1266                 IN_ActivateMouse ();
1267 }
1268
1269
1270 /*
1271 ===========
1272 IN_MouseEvent
1273 ===========
1274 */
1275 void IN_MouseEvent (int mstate)
1276 {
1277         int     i;
1278
1279         if (mouseactive && !dinput)
1280         {
1281         // perform button actions
1282                 for (i=0 ; i<mouse_buttons ; i++)
1283                 {
1284                         if ( (mstate & (1<<i)) &&
1285                                 !(mouse_oldbuttonstate & (1<<i)) )
1286                         {
1287                                 Key_Event (K_MOUSE1 + i, true);
1288                         }
1289
1290                         if ( !(mstate & (1<<i)) &&
1291                                 (mouse_oldbuttonstate & (1<<i)) )
1292                         {
1293                                 Key_Event (K_MOUSE1 + i, false);
1294                         }
1295                 }
1296
1297                 mouse_oldbuttonstate = mstate;
1298         }
1299 }
1300
1301
1302 /*
1303 ===========
1304 IN_MouseMove
1305 ===========
1306 */
1307 void IN_MouseMove (usercmd_t *cmd)
1308 {
1309         int                                     i, mx, my;
1310         DIDEVICEOBJECTDATA      od;
1311         DWORD                           dwElements;
1312         HRESULT                         hr;
1313
1314         if (!mouseactive)
1315         {
1316                 GetCursorPos (&current_pos);
1317                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1318                 return;
1319         }
1320
1321         if (dinput)
1322         {
1323                 mx = 0;
1324                 my = 0;
1325
1326                 for (;;)
1327                 {
1328                         dwElements = 1;
1329
1330                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1331                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1332
1333                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1334                         {
1335                                 dinput_acquired = true;
1336                                 IDirectInputDevice_Acquire(g_pMouse);
1337                                 break;
1338                         }
1339
1340                         /* Unable to read data or no data available */
1341                         if (FAILED(hr) || dwElements == 0)
1342                                 break;
1343
1344                         /* Look at the element to see what happened */
1345
1346                         switch (od.dwOfs)
1347                         {
1348                                 case DIMOFS_X:
1349                                         mx += od.dwData;
1350                                         break;
1351
1352                                 case DIMOFS_Y:
1353                                         my += od.dwData;
1354                                         break;
1355
1356                                 case DIMOFS_BUTTON0:
1357                                         if (od.dwData & 0x80)
1358                                                 mstate_di |= 1;
1359                                         else
1360                                                 mstate_di &= ~1;
1361                                         break;
1362
1363                                 case DIMOFS_BUTTON1:
1364                                         if (od.dwData & 0x80)
1365                                                 mstate_di |= (1<<1);
1366                                         else
1367                                                 mstate_di &= ~(1<<1);
1368                                         break;
1369
1370                                 case DIMOFS_BUTTON2:
1371                                         if (od.dwData & 0x80)
1372                                                 mstate_di |= (1<<2);
1373                                         else
1374                                                 mstate_di &= ~(1<<2);
1375                                         break;
1376                         }
1377                 }
1378
1379         // perform button actions
1380                 for (i=0 ; i<mouse_buttons ; i++)
1381                 {
1382                         if ( (mstate_di & (1<<i)) &&
1383                                 !(mouse_oldbuttonstate & (1<<i)) )
1384                         {
1385                                 Key_Event (K_MOUSE1 + i, true);
1386                         }
1387
1388                         if ( !(mstate_di & (1<<i)) &&
1389                                 (mouse_oldbuttonstate & (1<<i)) )
1390                         {
1391                                 Key_Event (K_MOUSE1 + i, false);
1392                         }
1393                 }
1394
1395                 mouse_oldbuttonstate = mstate_di;
1396         }
1397         else
1398         {
1399                 GetCursorPos (&current_pos);
1400                 mx = current_pos.x - window_center_x + mx_accum;
1401                 my = current_pos.y - window_center_y + my_accum;
1402                 mx_accum = 0;
1403                 my_accum = 0;
1404         }
1405
1406         IN_Mouse(cmd, mx, my);
1407
1408         // if the mouse has moved, force it to the center, so there's room to move
1409         if (!dinput && (mx || my))
1410                 SetCursorPos (window_center_x, window_center_y);
1411 }
1412
1413
1414 /*
1415 ===========
1416 IN_Move
1417 ===========
1418 */
1419 void IN_Move (usercmd_t *cmd)
1420 {
1421         if (vid_activewindow && !vid_hidden)
1422         {
1423                 IN_MouseMove (cmd);
1424                 IN_JoyMove (cmd);
1425         }
1426 }
1427
1428
1429 /*
1430 ===========
1431 IN_Accumulate
1432 ===========
1433 */
1434 void IN_Accumulate (void)
1435 {
1436         if (mouseactive)
1437         {
1438                 if (!dinput)
1439                 {
1440                         GetCursorPos (&current_pos);
1441
1442                         mx_accum += current_pos.x - window_center_x;
1443                         my_accum += current_pos.y - window_center_y;
1444
1445                 // force the mouse to the center, so there's room to move
1446                         SetCursorPos (window_center_x, window_center_y);
1447                 }
1448         }
1449 }
1450
1451
1452 /*
1453 ===================
1454 IN_ClearStates
1455 ===================
1456 */
1457 void IN_ClearStates (void)
1458 {
1459         if (mouseactive)
1460         {
1461                 mx_accum = 0;
1462                 my_accum = 0;
1463                 mouse_oldbuttonstate = 0;
1464         }
1465 }
1466
1467
1468 /*
1469 ===============
1470 IN_StartupJoystick
1471 ===============
1472 */
1473 void IN_StartupJoystick (void)
1474 {
1475         int                     numdevs;
1476         JOYCAPS         jc;
1477         MMRESULT        mmr;
1478         mmr = 0;
1479
1480         // assume no joystick
1481         joy_avail = false;
1482
1483         // abort startup if user requests no joystick
1484         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe"))
1485                 return;
1486
1487         // verify joystick driver is present
1488         if ((numdevs = joyGetNumDevs ()) == 0)
1489         {
1490                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1491                 return;
1492         }
1493
1494         // cycle through the joystick ids for the first valid one
1495         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1496         {
1497                 memset (&ji, 0, sizeof(ji));
1498                 ji.dwSize = sizeof(ji);
1499                 ji.dwFlags = JOY_RETURNCENTERED;
1500
1501                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1502                         break;
1503         }
1504
1505         // abort startup if we didn't find a valid joystick
1506         if (mmr != JOYERR_NOERROR)
1507         {
1508                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1509                 return;
1510         }
1511
1512         // get the capabilities of the selected joystick
1513         // abort startup if command fails
1514         memset (&jc, 0, sizeof(jc));
1515         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1516         {
1517                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1518                 return;
1519         }
1520
1521         // save the joystick's number of buttons and POV status
1522         joy_numbuttons = jc.wNumButtons;
1523         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1524
1525         // old button and POV states default to no buttons pressed
1526         joy_oldbuttonstate = joy_oldpovstate = 0;
1527
1528         // mark the joystick as available and advanced initialization not completed
1529         // this is needed as cvars are not available during initialization
1530
1531         joy_avail = true;
1532         joy_advancedinit = false;
1533
1534         Con_Printf ("\njoystick detected\n\n");
1535 }
1536
1537
1538 /*
1539 ===========
1540 RawValuePointer
1541 ===========
1542 */
1543 PDWORD RawValuePointer (int axis)
1544 {
1545         switch (axis)
1546         {
1547         case JOY_AXIS_X:
1548                 return &ji.dwXpos;
1549         case JOY_AXIS_Y:
1550                 return &ji.dwYpos;
1551         case JOY_AXIS_Z:
1552                 return &ji.dwZpos;
1553         case JOY_AXIS_R:
1554                 return &ji.dwRpos;
1555         case JOY_AXIS_U:
1556                 return &ji.dwUpos;
1557         case JOY_AXIS_V:
1558                 return &ji.dwVpos;
1559         }
1560         return NULL; // LordHavoc: hush compiler warning
1561 }
1562
1563
1564 /*
1565 ===========
1566 Joy_AdvancedUpdate_f
1567 ===========
1568 */
1569 void Joy_AdvancedUpdate_f (void)
1570 {
1571
1572         // called once by IN_ReadJoystick and by user whenever an update is needed
1573         // cvars are now available
1574         int     i;
1575         DWORD dwTemp;
1576
1577         // initialize all the maps
1578         for (i = 0; i < JOY_MAX_AXES; i++)
1579         {
1580                 dwAxisMap[i] = AxisNada;
1581                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1582                 pdwRawValue[i] = RawValuePointer(i);
1583         }
1584
1585         if( joy_advanced.integer == 0)
1586         {
1587                 // default joystick initialization
1588                 // 2 axes only with joystick control
1589                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1590                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1591                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1592                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1593         }
1594         else
1595         {
1596                 if (strcmp (joy_name.string, "joystick") != 0)
1597                 {
1598                         // notify user of advanced controller
1599                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1600                 }
1601
1602                 // advanced initialization here
1603                 // data supplied by user via joy_axisn cvars
1604                 dwTemp = (DWORD) joy_advaxisx.value;
1605                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1606                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1607                 dwTemp = (DWORD) joy_advaxisy.value;
1608                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1609                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1610                 dwTemp = (DWORD) joy_advaxisz.value;
1611                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1612                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1613                 dwTemp = (DWORD) joy_advaxisr.value;
1614                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1615                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1616                 dwTemp = (DWORD) joy_advaxisu.value;
1617                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1618                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1619                 dwTemp = (DWORD) joy_advaxisv.value;
1620                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1621                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1622         }
1623
1624         // compute the axes to collect from DirectInput
1625         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1626         for (i = 0; i < JOY_MAX_AXES; i++)
1627         {
1628                 if (dwAxisMap[i] != AxisNada)
1629                 {
1630                         joy_flags |= dwAxisFlags[i];
1631                 }
1632         }
1633 }
1634
1635
1636 /*
1637 ===========
1638 IN_Commands
1639 ===========
1640 */
1641 void IN_Commands (void)
1642 {
1643         int             i, key_index;
1644         DWORD   buttonstate, povstate;
1645
1646         if (!joy_avail)
1647         {
1648                 return;
1649         }
1650
1651
1652         // loop through the joystick buttons
1653         // key a joystick event or auxillary event for higher number buttons for each state change
1654         buttonstate = ji.dwButtons;
1655         for (i=0 ; i < (int) joy_numbuttons ; i++)
1656         {
1657                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1658                 {
1659                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1660                         Key_Event (key_index + i, true);
1661                 }
1662
1663                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1664                 {
1665                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1666                         Key_Event (key_index + i, false);
1667                 }
1668         }
1669         joy_oldbuttonstate = buttonstate;
1670
1671         if (joy_haspov)
1672         {
1673                 // convert POV information into 4 bits of state information
1674                 // this avoids any potential problems related to moving from one
1675                 // direction to another without going through the center position
1676                 povstate = 0;
1677                 if(ji.dwPOV != JOY_POVCENTERED)
1678                 {
1679                         if (ji.dwPOV == JOY_POVFORWARD)
1680                                 povstate |= 0x01;
1681                         if (ji.dwPOV == JOY_POVRIGHT)
1682                                 povstate |= 0x02;
1683                         if (ji.dwPOV == JOY_POVBACKWARD)
1684                                 povstate |= 0x04;
1685                         if (ji.dwPOV == JOY_POVLEFT)
1686                                 povstate |= 0x08;
1687                 }
1688                 // determine which bits have changed and key an auxillary event for each change
1689                 for (i=0 ; i < 4 ; i++)
1690                 {
1691                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1692                         {
1693                                 Key_Event (K_AUX29 + i, true);
1694                         }
1695
1696                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1697                         {
1698                                 Key_Event (K_AUX29 + i, false);
1699                         }
1700                 }
1701                 joy_oldpovstate = povstate;
1702         }
1703 }
1704
1705
1706 /*
1707 ===============
1708 IN_ReadJoystick
1709 ===============
1710 */
1711 qboolean IN_ReadJoystick (void)
1712 {
1713
1714         memset (&ji, 0, sizeof(ji));
1715         ji.dwSize = sizeof(ji);
1716         ji.dwFlags = joy_flags;
1717
1718         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1719         {
1720                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1721                 // rather than having 32768 be the zero point, they have the zero point at 32668
1722                 // go figure -- anyway, now we get the full resolution out of the device
1723                 if (joy_wwhack1.integer != 0.0)
1724                 {
1725                         ji.dwUpos += 100;
1726                 }
1727                 return true;
1728         }
1729         else
1730         {
1731                 // read error occurred
1732                 // turning off the joystick seems too harsh for 1 read error,
1733                 // but what should be done?
1734                 return false;
1735         }
1736 }
1737
1738
1739 /*
1740 ===========
1741 IN_JoyMove
1742 ===========
1743 */
1744 void IN_JoyMove (usercmd_t *cmd)
1745 {
1746         float   speed, aspeed;
1747         float   fAxisValue, fTemp;
1748         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1749
1750         // complete initialization if first time in
1751         // this is needed as cvars are not available at initialization time
1752         if( joy_advancedinit != true )
1753         {
1754                 Joy_AdvancedUpdate_f();
1755                 joy_advancedinit = true;
1756         }
1757
1758         // verify joystick is available and that the user wants to use it
1759         if (!joy_avail || !in_joystick.integer)
1760         {
1761                 return;
1762         }
1763
1764         // collect the joystick data, if possible
1765         if (IN_ReadJoystick () != true)
1766         {
1767                 return;
1768         }
1769
1770         if (in_speed.state & 1)
1771                 speed = cl_movespeedkey.value;
1772         else
1773                 speed = 1;
1774         // LordHavoc: viewzoom affects sensitivity for sniping
1775         aspeed = speed * host_realframetime * cl.viewzoom;
1776
1777         // loop through the axes
1778         for (i = 0; i < JOY_MAX_AXES; i++)
1779         {
1780                 // get the floating point zero-centered, potentially-inverted data for the current axis
1781                 fAxisValue = (float) *pdwRawValue[i];
1782                 // move centerpoint to zero
1783                 fAxisValue -= 32768.0;
1784
1785                 if (joy_wwhack2.integer != 0.0)
1786                 {
1787                         if (dwAxisMap[i] == AxisTurn)
1788                         {
1789                                 // this is a special formula for the Logitech WingMan Warrior
1790                                 // y=ax^b; where a = 300 and b = 1.3
1791                                 // also x values are in increments of 800 (so this is factored out)
1792                                 // then bounds check result to level out excessively high spin rates
1793                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1794                                 if (fTemp > 14000.0)
1795                                         fTemp = 14000.0;
1796                                 // restore direction information
1797                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1798                         }
1799                 }
1800
1801                 // convert range from -32768..32767 to -1..1
1802                 fAxisValue /= 32768.0;
1803
1804                 switch (dwAxisMap[i])
1805                 {
1806                 case AxisForward:
1807                         if ((joy_advanced.integer == 0) && mouselook)
1808                         {
1809                                 // user wants forward control to become look control
1810                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1811                                 {
1812                                         // if mouse invert is on, invert the joystick pitch value
1813                                         // only absolute control support here (joy_advanced is false)
1814                                         if (m_pitch.value < 0.0)
1815                                         {
1816                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1817                                         }
1818                                         else
1819                                         {
1820                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1821                                         }
1822                                         V_StopPitchDrift();
1823                                 }
1824                                 else
1825                                 {
1826                                         // no pitch movement
1827                                         // disable pitch return-to-center unless requested by user
1828                                         // *** this code can be removed when the lookspring bug is fixed
1829                                         // *** the bug always has the lookspring feature on
1830                                         if(lookspring.value == 0.0)
1831                                                 V_StopPitchDrift();
1832                                 }
1833                         }
1834                         else
1835                         {
1836                                 // user wants forward control to be forward control
1837                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1838                                 {
1839                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1840                                 }
1841                         }
1842                         break;
1843
1844                 case AxisSide:
1845                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1846                         {
1847                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1848                         }
1849                         break;
1850
1851                 case AxisTurn:
1852                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1853                         {
1854                                 // user wants turn control to become side control
1855                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1856                                 {
1857                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1858                                 }
1859                         }
1860                         else
1861                         {
1862                                 // user wants turn control to be turn control
1863                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1864                                 {
1865                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1866                                         {
1867                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1868                                         }
1869                                         else
1870                                         {
1871                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1872                                         }
1873
1874                                 }
1875                         }
1876                         break;
1877
1878                 case AxisLook:
1879                         if (mouselook)
1880                         {
1881                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1882                                 {
1883                                         // pitch movement detected and pitch movement desired by user
1884                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1885                                         {
1886                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1887                                         }
1888                                         else
1889                                         {
1890                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1891                                         }
1892                                         V_StopPitchDrift();
1893                                 }
1894                                 else
1895                                 {
1896                                         // no pitch movement
1897                                         // disable pitch return-to-center unless requested by user
1898                                         // *** this code can be removed when the lookspring bug is fixed
1899                                         // *** the bug always has the lookspring feature on
1900                                         if(lookspring.integer == 0)
1901                                                 V_StopPitchDrift();
1902                                 }
1903                         }
1904                         break;
1905
1906                 default:
1907                         break;
1908                 }
1909         }
1910 }
1911
1912 static void IN_Init(void)
1913 {
1914         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1915
1916         // joystick variables
1917         Cvar_RegisterVariable (&in_joystick);
1918         Cvar_RegisterVariable (&joy_name);
1919         Cvar_RegisterVariable (&joy_advanced);
1920         Cvar_RegisterVariable (&joy_advaxisx);
1921         Cvar_RegisterVariable (&joy_advaxisy);
1922         Cvar_RegisterVariable (&joy_advaxisz);
1923         Cvar_RegisterVariable (&joy_advaxisr);
1924         Cvar_RegisterVariable (&joy_advaxisu);
1925         Cvar_RegisterVariable (&joy_advaxisv);
1926         Cvar_RegisterVariable (&joy_forwardthreshold);
1927         Cvar_RegisterVariable (&joy_sidethreshold);
1928         Cvar_RegisterVariable (&joy_pitchthreshold);
1929         Cvar_RegisterVariable (&joy_yawthreshold);
1930         Cvar_RegisterVariable (&joy_forwardsensitivity);
1931         Cvar_RegisterVariable (&joy_sidesensitivity);
1932         Cvar_RegisterVariable (&joy_pitchsensitivity);
1933         Cvar_RegisterVariable (&joy_yawsensitivity);
1934         Cvar_RegisterVariable (&joy_wwhack1);
1935         Cvar_RegisterVariable (&joy_wwhack2);
1936         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1937 }
1938
1939 static void IN_Shutdown(void)
1940 {
1941         IN_DeactivateMouse ();
1942         IN_ShowMouse ();
1943
1944         if (g_pMouse)
1945                 IDirectInputDevice_Release(g_pMouse);
1946         g_pMouse = NULL;
1947
1948         if (g_pdi)
1949                 IDirectInput_Release(g_pdi);
1950         g_pdi = NULL;
1951 }