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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 // we don't need a very new dinput
23 #define DIRECTINPUT_VERSION 0x0300
24
25 #include "quakedef.h"
26 #include <windows.h>
27 #include <mmsystem.h>
28 #include <dsound.h>
29 #include "resource.h"
30 #include <commctrl.h>
31 #include <dinput.h>
32
33 extern HINSTANCE global_hInstance;
34
35
36 #ifndef WM_MOUSEWHEEL
37 #define WM_MOUSEWHEEL                   0x020A
38 #endif
39
40 // Tell startup code that we have a client
41 int cl_available = true;
42
43 qboolean vid_supportrefreshrate = true;
44
45 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
46 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
47 //static int (WINAPI *qwglGetPixelFormat)(HDC);
48 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
49 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
50 static HGLRC (WINAPI *qwglCreateContext)(HDC);
51 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
52 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
53 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
54 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
55 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
56 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
57 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
58
59 static dllfunction_t wglfuncs[] =
60 {
61         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
62         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
63 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
64         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
65         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
66         {"wglCreateContext", (void **) &qwglCreateContext},
67         {"wglDeleteContext", (void **) &qwglDeleteContext},
68         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
69         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
70         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
71         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
72         {NULL, NULL}
73 };
74
75 static dllfunction_t wglswapintervalfuncs[] =
76 {
77         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
78         {NULL, NULL}
79 };
80
81 static DEVMODE gdevmode;
82 static qboolean vid_initialized = false;
83 static qboolean vid_wassuspended = false;
84 static qboolean vid_usingmouse = false;
85 static qboolean vid_usingvsync = false;
86 static qboolean vid_usevsync = false;
87 static HICON hIcon;
88
89 // used by cd_win.c and snd_win.c
90 HWND mainwindow;
91
92 static HDC       baseDC;
93 static HGLRC baseRC;
94
95 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
96
97 static qboolean vid_isfullscreen;
98
99 //void VID_MenuDraw (void);
100 //void VID_MenuKey (int key);
101
102 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
103 //void AppActivate(BOOL fActive, BOOL minimize);
104 //void ClearAllStates (void);
105 //void VID_UpdateWindowStatus (void);
106
107 //====================================
108
109 static int window_x, window_y;
110
111 static void IN_Activate (qboolean grab);
112
113 static qboolean mouseinitialized;
114 static qboolean dinput;
115
116 // input code
117
118 #define DINPUT_BUFFERSIZE           16
119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
120
121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
122
123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
124 /* backslash :: imouse explorer buttons */
125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
126    MS's platform SDK, but we need them for compilation. . . */
127 #ifndef WM_XBUTTONDOWN
128    #define WM_XBUTTONDOWN      0x020B
129    #define WM_XBUTTONUP      0x020C
130 #endif
131 #ifndef MK_XBUTTON1
132    #define MK_XBUTTON1         0x0020
133    #define MK_XBUTTON2         0x0040
134 #endif
135 #ifndef MK_XBUTTON3
136 // LordHavoc: lets hope this allows more buttons in the future...
137    #define MK_XBUTTON3         0x0080
138    #define MK_XBUTTON4         0x0100
139    #define MK_XBUTTON5         0x0200
140    #define MK_XBUTTON6         0x0400
141    #define MK_XBUTTON7         0x0800
142 #endif
143 /* :: backslash */
144
145 // mouse variables
146 static int                      mouse_buttons;
147 static int                      mouse_oldbuttonstate;
148
149 static unsigned int uiWheelMessage;
150 static qboolean dinput_acquired;
151
152 static unsigned int             mstate_di;
153
154 // joystick defines and variables
155 // where should defines be moved?
156 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
157 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
158 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
159 #define JOY_AXIS_X                      0
160 #define JOY_AXIS_Y                      1
161 #define JOY_AXIS_Z                      2
162 #define JOY_AXIS_R                      3
163 #define JOY_AXIS_U                      4
164 #define JOY_AXIS_V                      5
165
166 enum _ControlList
167 {
168         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
169 };
170
171 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
172 {
173         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
174 };
175
176 static DWORD    dwAxisMap[JOY_MAX_AXES];
177 static DWORD    dwControlMap[JOY_MAX_AXES];
178 static PDWORD   pdwRawValue[JOY_MAX_AXES];
179
180 // none of these cvars are saved over a session
181 // this means that advanced controller configuration needs to be executed
182 // each time.  this avoids any problems with getting back to a default usage
183 // or when changing from one controller to another.  this way at least something
184 // works.
185 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
186 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
187 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
188 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
189 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
190 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
191 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
192 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
193 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
194 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
195 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
196 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
197 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
198 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
199 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
200 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
201 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
202 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
203 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
204
205 static qboolean joy_avail, joy_advancedinit, joy_haspov;
206 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
207
208 static int                      joy_id;
209 static DWORD            joy_flags;
210 static DWORD            joy_numbuttons;
211
212 static LPDIRECTINPUT            g_pdi;
213 static LPDIRECTINPUTDEVICE      g_pMouse;
214
215 static JOYINFOEX        ji;
216
217 static HINSTANCE hInstDI;
218
219 // forward-referenced functions
220 static void IN_StartupJoystick (void);
221 static void Joy_AdvancedUpdate_f (void);
222 static void IN_JoyMove (void);
223 static void IN_StartupMouse (void);
224
225
226 //====================================
227
228 void VID_Finish (qboolean allowmousegrab)
229 {
230         qboolean vid_usemouse;
231
232         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
233         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
234         {
235                 vid_usingvsync = vid_usevsync;
236                 qwglSwapIntervalEXT (vid_usevsync);
237         }
238
239 // handle the mouse state when windowed if that's changed
240         vid_usemouse = false;
241         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
242                 vid_usemouse = true;
243         if (vid_isfullscreen)
244                 vid_usemouse = true;
245         if (!vid_activewindow)
246                 vid_usemouse = false;
247         IN_Activate(vid_usemouse);
248
249         if (r_render.integer && !vid_hidden)
250         {
251                 CHECKGLERROR
252                 if (r_speeds.integer || gl_finish.integer)
253                 {
254                         qglFinish();CHECKGLERROR
255                 }
256                 SwapBuffers(baseDC);
257         }
258
259         VID_UpdateGamma(false, 256);
260 }
261
262 //==========================================================================
263
264
265
266
267 static unsigned char scantokey[128] =
268 {
269 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
270         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
271         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
272         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
273         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
274         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
275         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
276         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
277         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
278 };
279
280
281 /*
282 =======
283 MapKey
284
285 Map from windows to quake keynums
286 =======
287 */
288 static int MapKey (int key, int virtualkey)
289 {
290         int result;
291         int modified = (key >> 16) & 255;
292         qboolean is_extended = false;
293
294         if (modified < 128 && scantokey[modified])
295                 result = scantokey[modified];
296         else
297         {
298                 result = 0;
299                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
300         }
301
302         if (key & (1 << 24))
303                 is_extended = true;
304
305         if ( !is_extended )
306         {
307                 switch ( result )
308                 {
309                 case K_HOME:
310                         return K_KP_HOME;
311                 case K_UPARROW:
312                         return K_KP_UPARROW;
313                 case K_PGUP:
314                         return K_KP_PGUP;
315                 case K_LEFTARROW:
316                         return K_KP_LEFTARROW;
317                 case K_RIGHTARROW:
318                         return K_KP_RIGHTARROW;
319                 case K_END:
320                         return K_KP_END;
321                 case K_DOWNARROW:
322                         return K_KP_DOWNARROW;
323                 case K_PGDN:
324                         return K_KP_PGDN;
325                 case K_INS:
326                         return K_KP_INS;
327                 case K_DEL:
328                         return K_KP_DEL;
329                 default:
330                         return result;
331                 }
332         }
333         else
334         {
335                 switch ( result )
336                 {
337                 case 0x0D:
338                         return K_KP_ENTER;
339                 case 0x2F:
340                         return K_KP_SLASH;
341                 case 0xAF:
342                         return K_KP_PLUS;
343                 }
344                 return result;
345         }
346 }
347
348 /*
349 ===================================================================
350
351 MAIN WINDOW
352
353 ===================================================================
354 */
355
356 /*
357 ================
358 ClearAllStates
359 ================
360 */
361 static void ClearAllStates (void)
362 {
363         Key_ClearStates ();
364         if (vid_usingmouse)
365                 mouse_oldbuttonstate = 0;
366 }
367
368 void AppActivate(BOOL fActive, BOOL minimize)
369 /****************************************************************************
370 *
371 * Function:     AppActivate
372 * Parameters:   fActive - True if app is activating
373 *
374 * Description:  If the application is activating, then swap the system
375 *               into SYSPAL_NOSTATIC mode so that our palettes will display
376 *               correctly.
377 *
378 ****************************************************************************/
379 {
380         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
381
382         vid_activewindow = fActive;
383         vid_hidden = minimize;
384
385         // enable/disable sound on focus gain/loss
386         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
387         {
388                 if (!sound_active)
389                 {
390                         S_UnblockSound ();
391                         sound_active = true;
392                 }
393         }
394         else
395         {
396                 if (sound_active)
397                 {
398                         S_BlockSound ();
399                         sound_active = false;
400                 }
401         }
402
403         if (fActive)
404         {
405                 if (vid_isfullscreen)
406                 {
407                         if (vid_wassuspended)
408                         {
409                                 vid_wassuspended = false;
410                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
411                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
412                         }
413
414                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
415                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
416                 }
417         }
418
419         if (!fActive)
420         {
421                 IN_Activate (false);
422                 if (vid_isfullscreen)
423                 {
424                         ChangeDisplaySettings (NULL, 0);
425                         vid_wassuspended = true;
426                 }
427                 VID_RestoreSystemGamma();
428         }
429 }
430
431 //TODO: move it around in vid_wgl.c since I dont think this is the right position
432 void Sys_SendKeyEvents (void)
433 {
434         MSG msg;
435
436         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
437         {
438                 if (!GetMessage (&msg, NULL, 0, 0))
439                         Sys_Quit (1);
440
441                 TranslateMessage (&msg);
442                 DispatchMessage (&msg);
443         }
444 }
445
446 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
447
448 static keynum_t buttonremap[16] =
449 {
450         K_MOUSE1,
451         K_MOUSE2,
452         K_MOUSE3,
453         K_MOUSE4,
454         K_MOUSE5,
455         K_MOUSE6,
456         K_MOUSE7,
457         K_MOUSE8,
458         K_MOUSE9,
459         K_MOUSE10,
460         K_MOUSE11,
461         K_MOUSE12,
462         K_MOUSE13,
463         K_MOUSE14,
464         K_MOUSE15,
465         K_MOUSE16,
466 };
467
468 /* main window procedure */
469 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
470 {
471         LONG    lRet = 1;
472         int             fActive, fMinimized, temp;
473         char    state[256];
474         char    asciichar[4];
475         int             vkey;
476         int             charlength;
477         qboolean down = false;
478
479         if ( uMsg == uiWheelMessage )
480                 uMsg = WM_MOUSEWHEEL;
481
482         switch (uMsg)
483         {
484                 case WM_KILLFOCUS:
485                         if (vid_isfullscreen)
486                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
487                         break;
488
489                 case WM_CREATE:
490                         break;
491
492                 case WM_MOVE:
493                         window_x = (int) LOWORD(lParam);
494                         window_y = (int) HIWORD(lParam);
495                         IN_Activate(false);
496                         break;
497
498                 case WM_KEYDOWN:
499                 case WM_SYSKEYDOWN:
500                         down = true;
501                 case WM_KEYUP:
502                 case WM_SYSKEYUP:
503                         vkey = MapKey(lParam, wParam);
504                         GetKeyboardState (state);
505                         // alt/ctrl/shift tend to produce funky ToAscii values,
506                         // and if it's not a single character we don't know care about it
507                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
508                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
509                                 asciichar[0] = 0;
510                         else if( charlength == 2 ) {
511                                 asciichar[0] = asciichar[1];
512                         }
513                         Key_Event (vkey, asciichar[0], down);
514                         break;
515
516                 case WM_SYSCHAR:
517                 // keep Alt-Space from happening
518                         break;
519
520         // this is complicated because Win32 seems to pack multiple mouse events into
521         // one update sometimes, so we always check all states and look for events
522                 case WM_LBUTTONDOWN:
523                 case WM_LBUTTONUP:
524                 case WM_RBUTTONDOWN:
525                 case WM_RBUTTONUP:
526                 case WM_MBUTTONDOWN:
527                 case WM_MBUTTONUP:
528                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
529                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
530                 case WM_MOUSEMOVE:
531                         temp = 0;
532
533                         if (wParam & MK_LBUTTON)
534                                 temp |= 1;
535
536                         if (wParam & MK_RBUTTON)
537                                 temp |= 2;
538
539                         if (wParam & MK_MBUTTON)
540                                 temp |= 4;
541
542                         /* backslash :: imouse explorer buttons */
543                         if (wParam & MK_XBUTTON1)
544                                 temp |= 8;
545
546                         if (wParam & MK_XBUTTON2)
547                                 temp |= 16;
548                         /* :: backslash */
549
550                         // LordHavoc: lets hope this allows more buttons in the future...
551                         if (wParam & MK_XBUTTON3)
552                                 temp |= 32;
553                         if (wParam & MK_XBUTTON4)
554                                 temp |= 64;
555                         if (wParam & MK_XBUTTON5)
556                                 temp |= 128;
557                         if (wParam & MK_XBUTTON6)
558                                 temp |= 256;
559                         if (wParam & MK_XBUTTON7)
560                                 temp |= 512;
561
562                         if (vid_usingmouse && !dinput_acquired)
563                         {
564                                 // perform button actions
565                                 int i;
566                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
567                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
568                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
569                                 mouse_oldbuttonstate = temp;
570                         }
571
572                         break;
573
574                 // JACK: This is the mouse wheel with the Intellimouse
575                 // Its delta is either positive or neg, and we generate the proper
576                 // Event.
577                 case WM_MOUSEWHEEL:
578                         if ((short) HIWORD(wParam) > 0) {
579                                 Key_Event(K_MWHEELUP, 0, true);
580                                 Key_Event(K_MWHEELUP, 0, false);
581                         } else {
582                                 Key_Event(K_MWHEELDOWN, 0, true);
583                                 Key_Event(K_MWHEELDOWN, 0, false);
584                         }
585                         break;
586
587                 case WM_SIZE:
588                         break;
589
590                 case WM_CLOSE:
591                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
592                                 Sys_Quit (0);
593
594                         break;
595
596                 case WM_ACTIVATE:
597                         fActive = LOWORD(wParam);
598                         fMinimized = (BOOL) HIWORD(wParam);
599                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
600
601                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
602                         ClearAllStates ();
603
604                         break;
605
606                 //case WM_DESTROY:
607                 //      PostQuitMessage (0);
608                 //      break;
609
610                 case MM_MCINOTIFY:
611                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
612                         break;
613
614                 default:
615                         /* pass all unhandled messages to DefWindowProc */
616                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
617                 break;
618         }
619
620         /* return 1 if handled message, 0 if not */
621         return lRet;
622 }
623
624 int VID_SetGamma(unsigned short *ramps, int rampsize)
625 {
626         HDC hdc = GetDC (NULL);
627         int i = SetDeviceGammaRamp(hdc, ramps);
628         ReleaseDC (NULL, hdc);
629         return i; // return success or failure
630 }
631
632 int VID_GetGamma(unsigned short *ramps, int rampsize)
633 {
634         HDC hdc = GetDC (NULL);
635         int i = GetDeviceGammaRamp(hdc, ramps);
636         ReleaseDC (NULL, hdc);
637         return i; // return success or failure
638 }
639
640 static HINSTANCE gldll;
641
642 static void GL_CloseLibrary(void)
643 {
644         FreeLibrary(gldll);
645         gldll = 0;
646         gl_driver[0] = 0;
647         qwglGetProcAddress = NULL;
648         gl_extensions = "";
649         gl_platform = "";
650         gl_platformextensions = "";
651 }
652
653 static int GL_OpenLibrary(const char *name)
654 {
655         Con_Printf("Loading OpenGL driver %s\n", name);
656         GL_CloseLibrary();
657         if (!(gldll = LoadLibrary(name)))
658         {
659                 Con_Printf("Unable to LoadLibrary %s\n", name);
660                 return false;
661         }
662         strlcpy(gl_driver, name, sizeof(gl_driver));
663         return true;
664 }
665
666 void *GL_GetProcAddress(const char *name)
667 {
668         void *p = NULL;
669         if (qwglGetProcAddress != NULL)
670                 p = (void *) qwglGetProcAddress(name);
671         if (p == NULL)
672                 p = (void *) GetProcAddress(gldll, name);
673         return p;
674 }
675
676 static void IN_Init(void);
677 void VID_Init(void)
678 {
679         WNDCLASS wc;
680
681         InitCommonControls();
682         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
683
684         // Register the frame class
685         wc.style         = 0;
686         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
687         wc.cbClsExtra    = 0;
688         wc.cbWndExtra    = 0;
689         wc.hInstance     = global_hInstance;
690         wc.hIcon         = hIcon;
691         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
692         wc.hbrBackground = NULL;
693         wc.lpszMenuName  = 0;
694         wc.lpszClassName = "DarkPlacesWindowClass";
695
696         if (!RegisterClass (&wc))
697                 Con_Printf ("Couldn't register window class\n");
698
699         IN_Init();
700 }
701
702 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
703 {
704         int i;
705         HDC hdc;
706         RECT rect;
707         MSG msg;
708         PIXELFORMATDESCRIPTOR pfd =
709         {
710                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
711                 1,                              // version number
712                 PFD_DRAW_TO_WINDOW              // support window
713                 |  PFD_SUPPORT_OPENGL   // support OpenGL
714                 |  PFD_DOUBLEBUFFER ,   // double buffered
715                 PFD_TYPE_RGBA,                  // RGBA type
716                 24,                             // 24-bit color depth
717                 0, 0, 0, 0, 0, 0,               // color bits ignored
718                 0,                              // no alpha buffer
719                 0,                              // shift bit ignored
720                 0,                              // no accumulation buffer
721                 0, 0, 0, 0,                     // accum bits ignored
722                 32,                             // 32-bit z-buffer
723                 0,                              // no stencil buffer
724                 0,                              // no auxiliary buffer
725                 PFD_MAIN_PLANE,                 // main layer
726                 0,                              // reserved
727                 0, 0, 0                         // layer masks ignored
728         };
729         int pixelformat;
730         DWORD WindowStyle, ExWindowStyle;
731         int CenterX, CenterY;
732         const char *gldrivername;
733         int depth;
734
735         if (vid_initialized)
736                 Sys_Error("VID_InitMode called when video is already initialised");
737
738         // if stencil is enabled, ask for alpha too
739         if (bpp >= 32)
740         {
741                 pfd.cStencilBits = 8;
742                 pfd.cAlphaBits = 8;
743         }
744         else
745         {
746                 pfd.cStencilBits = 0;
747                 pfd.cAlphaBits = 0;
748         }
749
750         if (stereobuffer)
751                 pfd.dwFlags |= PFD_STEREO;
752
753         gldrivername = "opengl32.dll";
754 // COMMANDLINEOPTION: Windows WGL: -gl_driver <drivername> selects a GL driver library, default is opengl32.dll, useful only for 3dfxogl.dll or 3dfxvgl.dll, if you don't know what this is for, you don't need it
755         i = COM_CheckParm("-gl_driver");
756         if (i && i < com_argc - 1)
757                 gldrivername = com_argv[i + 1];
758         if (!GL_OpenLibrary(gldrivername))
759         {
760                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
761                 return false;
762         }
763
764         memset(&gdevmode, 0, sizeof(gdevmode));
765
766         vid_isfullscreen = false;
767         if (fullscreen)
768         {
769                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
770                 gdevmode.dmBitsPerPel = bpp;
771                 gdevmode.dmPelsWidth = width;
772                 gdevmode.dmPelsHeight = height;
773                 gdevmode.dmDisplayFrequency = refreshrate;
774                 gdevmode.dmSize = sizeof (gdevmode);
775                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
776                 {
777                         VID_Shutdown();
778                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
779                         return false;
780                 }
781
782                 vid_isfullscreen = true;
783                 WindowStyle = WS_POPUP;
784                 ExWindowStyle = WS_EX_TOPMOST;
785         }
786         else
787         {
788                 hdc = GetDC (NULL);
789                 i = GetDeviceCaps(hdc, RASTERCAPS);
790                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
791                 ReleaseDC (NULL, hdc);
792                 if (i & RC_PALETTE)
793                 {
794                         VID_Shutdown();
795                         Con_Print("Can't run in non-RGB mode\n");
796                         return false;
797                 }
798                 if (bpp > depth)
799                 {
800                         VID_Shutdown();
801                         Con_Print("A higher desktop depth is required to run this video mode\n");
802                         return false;
803                 }
804
805                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
806                 ExWindowStyle = 0;
807         }
808
809         rect.top = 0;
810         rect.left = 0;
811         rect.right = width;
812         rect.bottom = height;
813         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
814
815         if (fullscreen)
816         {
817                 CenterX = 0;
818                 CenterY = 0;
819         }
820         else
821         {
822                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
823                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
824         }
825         CenterX = max(0, CenterX);
826         CenterY = max(0, CenterY);
827
828         // x and y may be changed by WM_MOVE messages
829         window_x = CenterX;
830         window_y = CenterY;
831         rect.left += CenterX;
832         rect.right += CenterX;
833         rect.top += CenterY;
834         rect.bottom += CenterY;
835
836         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
837         if (!mainwindow)
838         {
839                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), NULL, NULL, (int)global_hInstance, NULL);
840                 VID_Shutdown();
841                 return false;
842         }
843
844         /*
845         if (!fullscreen)
846                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
847         */
848
849         ShowWindow (mainwindow, SW_SHOWDEFAULT);
850         UpdateWindow (mainwindow);
851
852         // now we try to make sure we get the focus on the mode switch, because
853         // sometimes in some systems we don't.  We grab the foreground, then
854         // finish setting up, pump all our messages, and sleep for a little while
855         // to let messages finish bouncing around the system, then we put
856         // ourselves at the top of the z order, then grab the foreground again,
857         // Who knows if it helps, but it probably doesn't hurt
858         SetForegroundWindow (mainwindow);
859
860         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
861         {
862                 TranslateMessage (&msg);
863                 DispatchMessage (&msg);
864         }
865
866         Sleep (100);
867
868         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
869
870         SetForegroundWindow (mainwindow);
871
872         // fix the leftover Alt from any Alt-Tab or the like that switched us away
873         ClearAllStates ();
874
875         baseDC = GetDC(mainwindow);
876
877         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
878         {
879                 VID_Shutdown();
880                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
881                 return false;
882         }
883
884         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
885         {
886                 VID_Shutdown();
887                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
888                 return false;
889         }
890
891         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
892         {
893                 VID_Shutdown();
894                 Con_Print("wgl functions not found\n");
895                 return false;
896         }
897
898         baseRC = qwglCreateContext(baseDC);
899         if (!baseRC)
900         {
901                 VID_Shutdown();
902                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
903                 return false;
904         }
905         if (!qwglMakeCurrent(baseDC, baseRC))
906         {
907                 VID_Shutdown();
908                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
909                 return false;
910         }
911
912         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
913         {
914                 VID_Shutdown();
915                 Con_Print("glGetString not found\n");
916                 return false;
917         }
918         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
919                 Con_Print("wglGetExtensionsStringARB not found\n");
920         gl_renderer = qglGetString(GL_RENDERER);
921         gl_vendor = qglGetString(GL_VENDOR);
922         gl_version = qglGetString(GL_VERSION);
923         gl_extensions = qglGetString(GL_EXTENSIONS);
924         gl_platform = "WGL";
925         gl_platformextensions = "";
926
927         gl_videosyncavailable = false;
928
929         if (qwglGetExtensionsStringARB)
930                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
931
932 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
933         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
934         //ReleaseDC(mainwindow, hdc);
935
936         GL_Init ();
937
938         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
939         if (strncasecmp(gl_vendor,"ATI",3)==0)
940         {
941                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
942                         isRagePro = true;
943         }
944         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
945                 isG200 = true;
946
947         //vid_menudrawfn = VID_MenuDraw;
948         //vid_menukeyfn = VID_MenuKey;
949         vid_usingmouse = false;
950         vid_usingvsync = false;
951         vid_hidden = false;
952         vid_initialized = true;
953
954         IN_StartupMouse ();
955         IN_StartupJoystick ();
956
957         if (gl_videosyncavailable)
958         {
959                 vid_usevsync = vid_vsync.integer;
960                 vid_usingvsync = vid_vsync.integer;
961                 qwglSwapIntervalEXT (vid_usevsync);
962         }
963
964         return true;
965 }
966
967 static void IN_Shutdown(void);
968 void VID_Shutdown (void)
969 {
970         if(vid_initialized == false)
971                 return;
972
973         VID_RestoreSystemGamma();
974
975         vid_initialized = false;
976         IN_Shutdown();
977         if (qwglMakeCurrent)
978                 qwglMakeCurrent(NULL, NULL);
979         if (baseRC && qwglDeleteContext)
980                 qwglDeleteContext(baseRC);
981         // close the library before we get rid of the window
982         GL_CloseLibrary();
983         if (baseDC && mainwindow)
984                 ReleaseDC(mainwindow, baseDC);
985         AppActivate(false, false);
986         if (mainwindow)
987                 DestroyWindow(mainwindow);
988         mainwindow = 0;
989         if (vid_isfullscreen)
990                 ChangeDisplaySettings (NULL, 0);
991         vid_isfullscreen = false;
992 }
993
994 static void IN_Activate (qboolean grab)
995 {
996         static qboolean restore_spi;
997         static int originalmouseparms[3];
998
999         if (!mouseinitialized)
1000                 return;
1001
1002         if (grab)
1003         {
1004                 if (!vid_usingmouse)
1005                 {
1006                         vid_usingmouse = true;
1007                         cl_ignoremousemove = true;
1008                         if (dinput && g_pMouse)
1009                         {
1010                                 IDirectInputDevice_Acquire(g_pMouse);
1011                                 dinput_acquired = true;
1012                         }
1013                         else
1014                         {
1015                                 RECT window_rect;
1016                                 window_rect.left = window_x;
1017                                 window_rect.top = window_y;
1018                                 window_rect.right = window_x + vid.width;
1019                                 window_rect.bottom = window_y + vid.height;
1020
1021                                 // change mouse settings to turn off acceleration
1022 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1023                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1024                                 {
1025                                         int newmouseparms[3];
1026                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1027                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1028                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1029                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1030                                 }
1031                                 else
1032                                         restore_spi = false;
1033                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1034
1035                                 SetCapture (mainwindow);
1036                                 ClipCursor (&window_rect);
1037                         }
1038                         ShowCursor (false);
1039                 }
1040         }
1041         else
1042         {
1043                 if (vid_usingmouse)
1044                 {
1045                         vid_usingmouse = false;
1046                         cl_ignoremousemove = true;
1047                         if (dinput_acquired)
1048                         {
1049                                 IDirectInputDevice_Unacquire(g_pMouse);
1050                                 dinput_acquired = false;
1051                         }
1052                         else
1053                         {
1054                                 // restore system mouseparms if we changed them
1055                                 if (restore_spi)
1056                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1057                                 restore_spi = false;
1058                                 ClipCursor (NULL);
1059                                 ReleaseCapture ();
1060                         }
1061                         ShowCursor (true);
1062                 }
1063         }
1064 }
1065
1066
1067 /*
1068 ===========
1069 IN_InitDInput
1070 ===========
1071 */
1072 static qboolean IN_InitDInput (void)
1073 {
1074     HRESULT             hr;
1075         DIPROPDWORD     dipdw = {
1076                 {
1077                         sizeof(DIPROPDWORD),        // diph.dwSize
1078                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1079                         0,                          // diph.dwObj
1080                         DIPH_DEVICE,                // diph.dwHow
1081                 },
1082                 DINPUT_BUFFERSIZE,              // dwData
1083         };
1084
1085         if (!hInstDI)
1086         {
1087                 hInstDI = LoadLibrary("dinput.dll");
1088
1089                 if (hInstDI == NULL)
1090                 {
1091                         Con_Print("Couldn't load dinput.dll\n");
1092                         return false;
1093                 }
1094         }
1095
1096         if (!pDirectInputCreate)
1097         {
1098                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1099
1100                 if (!pDirectInputCreate)
1101                 {
1102                         Con_Print("Couldn't get DI proc addr\n");
1103                         return false;
1104                 }
1105         }
1106
1107 // register with DirectInput and get an IDirectInput to play with.
1108         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1109
1110         if (FAILED(hr))
1111         {
1112                 return false;
1113         }
1114
1115 // obtain an interface to the system mouse device.
1116         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1117
1118         if (FAILED(hr))
1119         {
1120                 Con_Print("Couldn't open DI mouse device\n");
1121                 return false;
1122         }
1123
1124 // set the data format to "mouse format".
1125         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1126
1127         if (FAILED(hr))
1128         {
1129                 Con_Print("Couldn't set DI mouse format\n");
1130                 return false;
1131         }
1132
1133 // set the cooperativity level.
1134         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1135                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1136
1137         if (FAILED(hr))
1138         {
1139                 Con_Print("Couldn't set DI coop level\n");
1140                 return false;
1141         }
1142
1143
1144 // set the buffer size to DINPUT_BUFFERSIZE elements.
1145 // the buffer size is a DWORD property associated with the device
1146         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1147
1148         if (FAILED(hr))
1149         {
1150                 Con_Print("Couldn't set DI buffersize\n");
1151                 return false;
1152         }
1153
1154         return true;
1155 }
1156
1157
1158 /*
1159 ===========
1160 IN_StartupMouse
1161 ===========
1162 */
1163 static void IN_StartupMouse (void)
1164 {
1165         if (COM_CheckParm ("-nomouse"))
1166                 return;
1167
1168         mouseinitialized = true;
1169
1170 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1171         if (COM_CheckParm ("-dinput"))
1172                 dinput = IN_InitDInput ();
1173
1174         if (dinput)
1175                 Con_Print("DirectInput initialized\n");
1176         else
1177                 Con_Print("DirectInput not initialized\n");
1178
1179         mouse_buttons = 10;
1180 }
1181
1182
1183 /*
1184 ===========
1185 IN_MouseMove
1186 ===========
1187 */
1188 static void IN_MouseMove (void)
1189 {
1190         int i, mx, my;
1191         POINT current_pos;
1192
1193         if (!vid_usingmouse)
1194         {
1195                 //GetCursorPos (&current_pos);
1196                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1197                 return;
1198         }
1199
1200         if (dinput_acquired)
1201         {
1202                 DIDEVICEOBJECTDATA      od;
1203                 DWORD                           dwElements;
1204                 HRESULT                         hr;
1205                 mx = 0;
1206                 my = 0;
1207
1208                 for (;;)
1209                 {
1210                         dwElements = 1;
1211
1212                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1213                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1214
1215                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1216                         {
1217                                 IDirectInputDevice_Acquire(g_pMouse);
1218                                 break;
1219                         }
1220
1221                         /* Unable to read data or no data available */
1222                         if (FAILED(hr) || dwElements == 0)
1223                                 break;
1224
1225                         /* Look at the element to see what happened */
1226
1227                         switch (od.dwOfs)
1228                         {
1229                                 case DIMOFS_X:
1230                                         mx += (LONG) od.dwData;
1231                                         break;
1232
1233                                 case DIMOFS_Y:
1234                                         my += (LONG) od.dwData;
1235                                         break;
1236
1237                                 case DIMOFS_Z:
1238                                         if((LONG) od.dwData < 0)
1239                                         {
1240                                                 Key_Event (K_MWHEELDOWN, 0, true);
1241                                                 Key_Event (K_MWHEELDOWN, 0, false);
1242                                         }
1243                                         else if((LONG) od.dwData > 0)
1244                                         {
1245                                                 Key_Event (K_MWHEELUP, 0, true);
1246                                                 Key_Event (K_MWHEELUP, 0, false);
1247                                         }
1248                                         break;
1249
1250                                 case DIMOFS_BUTTON0:
1251                                         if (od.dwData & 0x80)
1252                                                 mstate_di |= 1;
1253                                         else
1254                                                 mstate_di &= ~1;
1255                                         break;
1256
1257                                 case DIMOFS_BUTTON1:
1258                                         if (od.dwData & 0x80)
1259                                                 mstate_di |= (1<<1);
1260                                         else
1261                                                 mstate_di &= ~(1<<1);
1262                                         break;
1263
1264                                 case DIMOFS_BUTTON2:
1265                                         if (od.dwData & 0x80)
1266                                                 mstate_di |= (1<<2);
1267                                         else
1268                                                 mstate_di &= ~(1<<2);
1269                                         break;
1270
1271                                 case DIMOFS_BUTTON3:
1272                                         if (od.dwData & 0x80)
1273                                                 mstate_di |= (1<<3);
1274                                         else
1275                                                 mstate_di &= ~(1<<3);
1276                                         break;
1277                         }
1278                 }
1279
1280                 // perform button actions
1281                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1282                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1283                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1284                 mouse_oldbuttonstate = mstate_di;
1285
1286                 in_mouse_x = mx;
1287                 in_mouse_y = my;
1288         }
1289         else
1290         {
1291                 GetCursorPos (&current_pos);
1292                 mx = current_pos.x - (window_x + vid.width / 2);
1293                 my = current_pos.y - (window_y + vid.height / 2);
1294
1295                 in_mouse_x = mx;
1296                 in_mouse_y = my;
1297
1298                 // if the mouse has moved, force it to the center, so there's room to move
1299                 if (!cl.csqc_wantsmousemove)
1300                 if (mx || my)
1301                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1302         }
1303 }
1304
1305
1306 /*
1307 ===========
1308 IN_Move
1309 ===========
1310 */
1311 void IN_Move (void)
1312 {
1313         if (vid_activewindow && !vid_hidden)
1314         {
1315                 IN_MouseMove ();
1316                 IN_JoyMove ();
1317         }
1318 }
1319
1320
1321 /*
1322 ===============
1323 IN_StartupJoystick
1324 ===============
1325 */
1326 static void IN_StartupJoystick (void)
1327 {
1328         int                     numdevs;
1329         JOYCAPS         jc;
1330         MMRESULT        mmr;
1331         mmr = 0;
1332
1333         // assume no joystick
1334         joy_avail = false;
1335
1336         // abort startup if user requests no joystick
1337 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1338         if (COM_CheckParm ("-nojoy"))
1339                 return;
1340
1341         // verify joystick driver is present
1342         if ((numdevs = joyGetNumDevs ()) == 0)
1343         {
1344                 Con_Print("\njoystick not found -- driver not present\n\n");
1345                 return;
1346         }
1347
1348         // cycle through the joystick ids for the first valid one
1349         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1350         {
1351                 memset (&ji, 0, sizeof(ji));
1352                 ji.dwSize = sizeof(ji);
1353                 ji.dwFlags = JOY_RETURNCENTERED;
1354
1355                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1356                         break;
1357         }
1358
1359         // abort startup if we didn't find a valid joystick
1360         if (mmr != JOYERR_NOERROR)
1361         {
1362                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1363                 return;
1364         }
1365
1366         // get the capabilities of the selected joystick
1367         // abort startup if command fails
1368         memset (&jc, 0, sizeof(jc));
1369         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1370         {
1371                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1372                 return;
1373         }
1374
1375         // save the joystick's number of buttons and POV status
1376         joy_numbuttons = jc.wNumButtons;
1377         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1378
1379         // old button and POV states default to no buttons pressed
1380         joy_oldbuttonstate = joy_oldpovstate = 0;
1381
1382         // mark the joystick as available and advanced initialization not completed
1383         // this is needed as cvars are not available during initialization
1384
1385         joy_avail = true;
1386         joy_advancedinit = false;
1387
1388         Con_Print("\njoystick detected\n\n");
1389 }
1390
1391
1392 /*
1393 ===========
1394 RawValuePointer
1395 ===========
1396 */
1397 static PDWORD RawValuePointer (int axis)
1398 {
1399         switch (axis)
1400         {
1401         case JOY_AXIS_X:
1402                 return &ji.dwXpos;
1403         case JOY_AXIS_Y:
1404                 return &ji.dwYpos;
1405         case JOY_AXIS_Z:
1406                 return &ji.dwZpos;
1407         case JOY_AXIS_R:
1408                 return &ji.dwRpos;
1409         case JOY_AXIS_U:
1410                 return &ji.dwUpos;
1411         case JOY_AXIS_V:
1412                 return &ji.dwVpos;
1413         }
1414         return NULL; // LordHavoc: hush compiler warning
1415 }
1416
1417
1418 /*
1419 ===========
1420 Joy_AdvancedUpdate_f
1421 ===========
1422 */
1423 static void Joy_AdvancedUpdate_f (void)
1424 {
1425
1426         // called once by IN_ReadJoystick and by user whenever an update is needed
1427         // cvars are now available
1428         int     i;
1429         DWORD dwTemp;
1430
1431         // initialize all the maps
1432         for (i = 0; i < JOY_MAX_AXES; i++)
1433         {
1434                 dwAxisMap[i] = AxisNada;
1435                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1436                 pdwRawValue[i] = RawValuePointer(i);
1437         }
1438
1439         if( joy_advanced.integer == 0)
1440         {
1441                 // default joystick initialization
1442                 // 2 axes only with joystick control
1443                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1444                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1445                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1446                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1447         }
1448         else
1449         {
1450                 if (strcmp (joy_name.string, "joystick") != 0)
1451                 {
1452                         // notify user of advanced controller
1453                         Con_Printf("\n%s configured\n\n", joy_name.string);
1454                 }
1455
1456                 // advanced initialization here
1457                 // data supplied by user via joy_axisn cvars
1458                 dwTemp = (DWORD) joy_advaxisx.value;
1459                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1460                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1461                 dwTemp = (DWORD) joy_advaxisy.value;
1462                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1463                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1464                 dwTemp = (DWORD) joy_advaxisz.value;
1465                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1466                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1467                 dwTemp = (DWORD) joy_advaxisr.value;
1468                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1469                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1470                 dwTemp = (DWORD) joy_advaxisu.value;
1471                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1472                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1473                 dwTemp = (DWORD) joy_advaxisv.value;
1474                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1475                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1476         }
1477
1478         // compute the axes to collect from DirectInput
1479         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1480         for (i = 0; i < JOY_MAX_AXES; i++)
1481         {
1482                 if (dwAxisMap[i] != AxisNada)
1483                 {
1484                         joy_flags |= dwAxisFlags[i];
1485                 }
1486         }
1487 }
1488
1489 /*
1490 ===============
1491 IN_ReadJoystick
1492 ===============
1493 */
1494 static qboolean IN_ReadJoystick (void)
1495 {
1496
1497         memset (&ji, 0, sizeof(ji));
1498         ji.dwSize = sizeof(ji);
1499         ji.dwFlags = joy_flags;
1500
1501         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1502         {
1503                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1504                 // rather than having 32768 be the zero point, they have the zero point at 32668
1505                 // go figure -- anyway, now we get the full resolution out of the device
1506                 if (joy_wwhack1.integer != 0.0)
1507                 {
1508                         ji.dwUpos += 100;
1509                 }
1510                 return true;
1511         }
1512         else
1513         {
1514                 // read error occurred
1515                 // turning off the joystick seems too harsh for 1 read error,
1516                 // but what should be done?
1517                 return false;
1518         }
1519 }
1520
1521
1522 /*
1523 ===========
1524 IN_JoyMove
1525 ===========
1526 */
1527 static void IN_JoyMove (void)
1528 {
1529         float   speed, aspeed;
1530         float   fAxisValue, fTemp;
1531         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1532
1533         // complete initialization if first time in
1534         // this is needed as cvars are not available at initialization time
1535         if( joy_advancedinit != true )
1536         {
1537                 Joy_AdvancedUpdate_f();
1538                 joy_advancedinit = true;
1539         }
1540
1541         if (joy_avail)
1542         {
1543                 int             i, key_index;
1544                 DWORD   buttonstate, povstate;
1545
1546                 // loop through the joystick buttons
1547                 // key a joystick event or auxillary event for higher number buttons for each state change
1548                 buttonstate = ji.dwButtons;
1549                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1550                 {
1551                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1552                         {
1553                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1554                                 Key_Event (key_index + i, 0, true);
1555                         }
1556
1557                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1558                         {
1559                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1560                                 Key_Event (key_index + i, 0, false);
1561                         }
1562                 }
1563                 joy_oldbuttonstate = buttonstate;
1564
1565                 if (joy_haspov)
1566                 {
1567                         // convert POV information into 4 bits of state information
1568                         // this avoids any potential problems related to moving from one
1569                         // direction to another without going through the center position
1570                         povstate = 0;
1571                         if(ji.dwPOV != JOY_POVCENTERED)
1572                         {
1573                                 if (ji.dwPOV == JOY_POVFORWARD)
1574                                         povstate |= 0x01;
1575                                 if (ji.dwPOV == JOY_POVRIGHT)
1576                                         povstate |= 0x02;
1577                                 if (ji.dwPOV == JOY_POVBACKWARD)
1578                                         povstate |= 0x04;
1579                                 if (ji.dwPOV == JOY_POVLEFT)
1580                                         povstate |= 0x08;
1581                         }
1582                         // determine which bits have changed and key an auxillary event for each change
1583                         for (i=0 ; i < 4 ; i++)
1584                         {
1585                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1586                                 {
1587                                         Key_Event (K_AUX29 + i, 0, true);
1588                                 }
1589
1590                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1591                                 {
1592                                         Key_Event (K_AUX29 + i, 0, false);
1593                                 }
1594                         }
1595                         joy_oldpovstate = povstate;
1596                 }
1597         }
1598
1599         // verify joystick is available and that the user wants to use it
1600         if (!joy_avail || !in_joystick.integer)
1601         {
1602                 return;
1603         }
1604
1605         // collect the joystick data, if possible
1606         if (IN_ReadJoystick () != true)
1607         {
1608                 return;
1609         }
1610
1611         if (in_speed.state & 1)
1612                 speed = cl_movespeedkey.value;
1613         else
1614                 speed = 1;
1615         // LordHavoc: viewzoom affects sensitivity for sniping
1616         aspeed = speed * cl.realframetime * cl.viewzoom;
1617
1618         // loop through the axes
1619         for (i = 0; i < JOY_MAX_AXES; i++)
1620         {
1621                 // get the floating point zero-centered, potentially-inverted data for the current axis
1622                 fAxisValue = (float) *pdwRawValue[i];
1623                 // move centerpoint to zero
1624                 fAxisValue -= 32768.0;
1625
1626                 if (joy_wwhack2.integer != 0.0)
1627                 {
1628                         if (dwAxisMap[i] == AxisTurn)
1629                         {
1630                                 // this is a special formula for the Logitech WingMan Warrior
1631                                 // y=ax^b; where a = 300 and b = 1.3
1632                                 // also x values are in increments of 800 (so this is factored out)
1633                                 // then bounds check result to level out excessively high spin rates
1634                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1635                                 if (fTemp > 14000.0)
1636                                         fTemp = 14000.0;
1637                                 // restore direction information
1638                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1639                         }
1640                 }
1641
1642                 // convert range from -32768..32767 to -1..1
1643                 fAxisValue /= 32768.0;
1644
1645                 switch (dwAxisMap[i])
1646                 {
1647                 case AxisForward:
1648                         if ((joy_advanced.integer == 0) && mouselook)
1649                         {
1650                                 // user wants forward control to become look control
1651                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1652                                 {
1653                                         // if mouse invert is on, invert the joystick pitch value
1654                                         // only absolute control support here (joy_advanced is false)
1655                                         if (m_pitch.value < 0.0)
1656                                         {
1657                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1658                                         }
1659                                         else
1660                                         {
1661                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1662                                         }
1663                                         V_StopPitchDrift();
1664                                 }
1665                                 else
1666                                 {
1667                                         // no pitch movement
1668                                         // disable pitch return-to-center unless requested by user
1669                                         // *** this code can be removed when the lookspring bug is fixed
1670                                         // *** the bug always has the lookspring feature on
1671                                         if(lookspring.value == 0.0)
1672                                                 V_StopPitchDrift();
1673                                 }
1674                         }
1675                         else
1676                         {
1677                                 // user wants forward control to be forward control
1678                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1679                                 {
1680                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1681                                 }
1682                         }
1683                         break;
1684
1685                 case AxisSide:
1686                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1687                         {
1688                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1689                         }
1690                         break;
1691
1692                 case AxisTurn:
1693                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1694                         {
1695                                 // user wants turn control to become side control
1696                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1697                                 {
1698                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1699                                 }
1700                         }
1701                         else
1702                         {
1703                                 // user wants turn control to be turn control
1704                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1705                                 {
1706                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1707                                         {
1708                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1709                                         }
1710                                         else
1711                                         {
1712                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1713                                         }
1714
1715                                 }
1716                         }
1717                         break;
1718
1719                 case AxisLook:
1720                         if (mouselook)
1721                         {
1722                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1723                                 {
1724                                         // pitch movement detected and pitch movement desired by user
1725                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1726                                         {
1727                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1728                                         }
1729                                         else
1730                                         {
1731                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1732                                         }
1733                                         V_StopPitchDrift();
1734                                 }
1735                                 else
1736                                 {
1737                                         // no pitch movement
1738                                         // disable pitch return-to-center unless requested by user
1739                                         // *** this code can be removed when the lookspring bug is fixed
1740                                         // *** the bug always has the lookspring feature on
1741                                         if(lookspring.integer == 0)
1742                                                 V_StopPitchDrift();
1743                                 }
1744                         }
1745                         break;
1746
1747                 default:
1748                         break;
1749                 }
1750         }
1751 }
1752
1753 static void IN_Init(void)
1754 {
1755         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1756
1757         // joystick variables
1758         Cvar_RegisterVariable (&in_joystick);
1759         Cvar_RegisterVariable (&joy_name);
1760         Cvar_RegisterVariable (&joy_advanced);
1761         Cvar_RegisterVariable (&joy_advaxisx);
1762         Cvar_RegisterVariable (&joy_advaxisy);
1763         Cvar_RegisterVariable (&joy_advaxisz);
1764         Cvar_RegisterVariable (&joy_advaxisr);
1765         Cvar_RegisterVariable (&joy_advaxisu);
1766         Cvar_RegisterVariable (&joy_advaxisv);
1767         Cvar_RegisterVariable (&joy_forwardthreshold);
1768         Cvar_RegisterVariable (&joy_sidethreshold);
1769         Cvar_RegisterVariable (&joy_pitchthreshold);
1770         Cvar_RegisterVariable (&joy_yawthreshold);
1771         Cvar_RegisterVariable (&joy_forwardsensitivity);
1772         Cvar_RegisterVariable (&joy_sidesensitivity);
1773         Cvar_RegisterVariable (&joy_pitchsensitivity);
1774         Cvar_RegisterVariable (&joy_yawsensitivity);
1775         Cvar_RegisterVariable (&joy_wwhack1);
1776         Cvar_RegisterVariable (&joy_wwhack2);
1777         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1778 }
1779
1780 static void IN_Shutdown(void)
1781 {
1782         IN_Activate (false);
1783
1784         if (g_pMouse)
1785                 IDirectInputDevice_Release(g_pMouse);
1786         g_pMouse = NULL;
1787
1788         if (g_pdi)
1789                 IDirectInput_Release(g_pdi);
1790         g_pdi = NULL;
1791 }