Early support for NetBSD (the dedicated binary works and the GLX binary compiles)
[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         Key_ClearStates ();
435         IN_ClearStates ();
436 }
437
438 extern qboolean host_loopactive;
439
440 void AppActivate(BOOL fActive, BOOL minimize)
441 /****************************************************************************
442 *
443 * Function:     AppActivate
444 * Parameters:   fActive - True if app is activating
445 *
446 * Description:  If the application is activating, then swap the system
447 *               into SYSPAL_NOSTATIC mode so that our palettes will display
448 *               correctly.
449 *
450 ****************************************************************************/
451 {
452         static BOOL     sound_active;
453
454         vid_activewindow = fActive;
455         vid_hidden = minimize;
456
457 // enable/disable sound on focus gain/loss
458         if (!vid_activewindow && sound_active)
459         {
460                 S_BlockSound ();
461                 sound_active = false;
462         }
463         else if (vid_activewindow && !sound_active)
464         {
465                 S_UnblockSound ();
466                 sound_active = true;
467         }
468
469         if (fActive)
470         {
471                 if (vid_isfullscreen)
472                 {
473                         if (vid_wassuspended)
474                         {
475                                 vid_wassuspended = false;
476                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
477                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
478                         }
479
480                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
481                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
482                 }
483         }
484
485         if (!fActive)
486         {
487                 vid_usingmouse = false;
488                 IN_DeactivateMouse ();
489                 IN_ShowMouse ();
490                 if (vid_isfullscreen)
491                 {
492                         ChangeDisplaySettings (NULL, 0);
493                         vid_wassuspended = true;
494                 }
495                 VID_RestoreSystemGamma();
496         }
497 }
498
499 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
500
501 /* main window procedure */
502 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
503 {
504         LONG    lRet = 1;
505         int             fActive, fMinimized, temp;
506         char    state[256];
507         short   ascchar;
508         int             vkey;
509         qboolean down = false;
510
511         extern unsigned int uiWheelMessage;
512
513         if ( uMsg == uiWheelMessage )
514                 uMsg = WM_MOUSEWHEEL;
515
516         switch (uMsg)
517         {
518                 case WM_KILLFOCUS:
519                         if (vid_isfullscreen)
520                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
521                         break;
522
523                 case WM_CREATE:
524                         break;
525
526                 case WM_MOVE:
527                         window_x = (int) LOWORD(lParam);
528                         window_y = (int) HIWORD(lParam);
529                         VID_UpdateWindowStatus ();
530                         break;
531         
532                 case WM_KEYDOWN:
533                 case WM_SYSKEYDOWN:
534                         down = true;
535                 case WM_KEYUP:
536                 case WM_SYSKEYUP:
537                         vkey = MapKey(lParam, wParam);
538                         GetKeyboardState (state);
539                         ToAscii (wParam, vkey, state, &ascchar, 0);
540                         Key_Event (vkey, (char)(ascchar & 0xFF), down);
541                         break;
542
543                 case WM_SYSCHAR:
544                 // keep Alt-Space from happening
545                         break;
546
547         // this is complicated because Win32 seems to pack multiple mouse events into
548         // one update sometimes, so we always check all states and look for events
549                 case WM_LBUTTONDOWN:
550                 case WM_LBUTTONUP:
551                 case WM_RBUTTONDOWN:
552                 case WM_RBUTTONUP:
553                 case WM_MBUTTONDOWN:
554                 case WM_MBUTTONUP:
555                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
556                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
557                 case WM_MOUSEMOVE:
558                         temp = 0;
559
560                         if (wParam & MK_LBUTTON)
561                                 temp |= 1;
562
563                         if (wParam & MK_RBUTTON)
564                                 temp |= 2;
565
566                         if (wParam & MK_MBUTTON)
567                                 temp |= 4;
568
569                         /* backslash :: imouse explorer buttons */
570                         if (wParam & MK_XBUTTON1)
571                                 temp |= 8;
572
573                         if (wParam & MK_XBUTTON2)
574                                 temp |= 16;
575                         /* :: backslash */
576
577                         // LordHavoc: lets hope this allows more buttons in the future...
578                         if (wParam & MK_XBUTTON3)
579                                 temp |= 32;
580                         if (wParam & MK_XBUTTON4)
581                                 temp |= 64;
582                         if (wParam & MK_XBUTTON5)
583                                 temp |= 128;
584                         if (wParam & MK_XBUTTON6)
585                                 temp |= 256;
586                         if (wParam & MK_XBUTTON7)
587                                 temp |= 512;
588
589                         IN_MouseEvent (temp);
590
591                         break;
592
593                 // JACK: This is the mouse wheel with the Intellimouse
594                 // Its delta is either positive or neg, and we generate the proper
595                 // Event.
596                 case WM_MOUSEWHEEL:
597                         if ((short) HIWORD(wParam) > 0) {
598                                 Key_Event(K_MWHEELUP, 0, true);
599                                 Key_Event(K_MWHEELUP, 0, false);
600                         } else {
601                                 Key_Event(K_MWHEELDOWN, 0, true);
602                                 Key_Event(K_MWHEELDOWN, 0, false);
603                         }
604                         break;
605
606                 case WM_SIZE:
607                         break;
608
609                 case WM_CLOSE:
610                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
611                                 Sys_Quit ();
612
613                         break;
614
615                 case WM_ACTIVATE:
616                         fActive = LOWORD(wParam);
617                         fMinimized = (BOOL) HIWORD(wParam);
618                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
619
620                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
621                         ClearAllStates ();
622
623                         break;
624
625                 //case WM_DESTROY:
626                 //      PostQuitMessage (0);
627                 //      break;
628
629                 case MM_MCINOTIFY:
630                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
631                         break;
632
633                 default:
634                         /* pass all unhandled messages to DefWindowProc */
635                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
636                 break;
637         }
638
639         /* return 1 if handled message, 0 if not */
640         return lRet;
641 }
642
643 int VID_SetGamma(unsigned short *ramps)
644 {
645         HDC hdc = GetDC (NULL);
646         int i = SetDeviceGammaRamp(hdc, ramps);
647         ReleaseDC (NULL, hdc);
648         return i; // return success or failure
649 }
650
651 int VID_GetGamma(unsigned short *ramps)
652 {
653         HDC hdc = GetDC (NULL);
654         int i = GetDeviceGammaRamp(hdc, ramps);
655         ReleaseDC (NULL, hdc);
656         return i; // return success or failure
657 }
658
659 static HINSTANCE gldll;
660
661 int GL_OpenLibrary(const char *name)
662 {
663         Con_Printf("Loading OpenGL driver %s\n", name);
664         GL_CloseLibrary();
665         if (!(gldll = LoadLibrary(name)))
666         {
667                 Con_Printf("Unable to LoadLibrary %s\n", name);
668                 return false;
669         }
670         strcpy(gl_driver, name);
671         return true;
672 }
673
674 void GL_CloseLibrary(void)
675 {
676         FreeLibrary(gldll);
677         gldll = 0;
678         gl_driver[0] = 0;
679         qwglGetProcAddress = NULL;
680         gl_extensions = "";
681         gl_platform = "";
682         gl_platformextensions = "";
683 }
684
685 void *GL_GetProcAddress(const char *name)
686 {
687         void *p = NULL;
688         if (qwglGetProcAddress != NULL)
689                 p = (void *) qwglGetProcAddress(name);
690         if (p == NULL)
691                 p = (void *) GetProcAddress(gldll, name);
692         return p;
693 }
694
695 static void IN_Init(void);
696 void VID_Init(void)
697 {
698         WNDCLASS wc;
699
700         InitCommonControls();
701         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
702
703         // Register the frame class
704         wc.style         = 0;
705         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
706         wc.cbClsExtra    = 0;
707         wc.cbWndExtra    = 0;
708         wc.hInstance     = global_hInstance;
709         wc.hIcon         = 0;
710         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
711         wc.hbrBackground = NULL;
712         wc.lpszMenuName  = 0;
713         wc.lpszClassName = "DarkPlacesWindowClass";
714
715         if (!RegisterClass (&wc))
716                 Sys_Error("Couldn't register window class\n");
717
718         IN_Init();
719 }
720
721 int VID_InitMode (int fullscreen, int width, int height, int bpp)
722 {
723         int i;
724         HDC hdc;
725         RECT rect;
726         MSG msg;
727         PIXELFORMATDESCRIPTOR pfd =
728         {
729                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
730                 1,                              // version number
731                 PFD_DRAW_TO_WINDOW              // support window
732                 |  PFD_SUPPORT_OPENGL   // support OpenGL
733                 |  PFD_DOUBLEBUFFER ,   // double buffered
734                 PFD_TYPE_RGBA,                  // RGBA type
735                 24,                             // 24-bit color depth
736                 0, 0, 0, 0, 0, 0,               // color bits ignored
737                 0,                              // no alpha buffer
738                 0,                              // shift bit ignored
739                 0,                              // no accumulation buffer
740                 0, 0, 0, 0,                     // accum bits ignored
741                 32,                             // 32-bit z-buffer
742                 0,                              // no stencil buffer
743                 0,                              // no auxiliary buffer
744                 PFD_MAIN_PLANE,                 // main layer
745                 0,                              // reserved
746                 0, 0, 0                         // layer masks ignored
747         };
748         int pixelformat;
749         DWORD WindowStyle, ExWindowStyle;
750         HGLRC baseRC;
751         int CenterX, CenterY;
752         const char *gldrivername;
753
754         if (vid_initialized)
755                 Sys_Error("VID_InitMode called when video is already initialised\n");
756
757         // if stencil is enabled, ask for alpha too
758         if (bpp >= 32)
759         {
760                 pfd.cStencilBits = 8;
761                 pfd.cAlphaBits = 8;
762         }
763         else
764         {
765                 pfd.cStencilBits = 0;
766                 pfd.cAlphaBits = 0;
767         }
768
769         gldrivername = "opengl32.dll";
770         i = COM_CheckParm("-gl_driver");
771         if (i && i < com_argc - 1)
772                 gldrivername = com_argv[i + 1];
773         if (!GL_OpenLibrary(gldrivername))
774         {
775                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
776                 return false;
777         }
778
779         memset(&gdevmode, 0, sizeof(gdevmode));
780
781         vid_isfullscreen = false;
782         if (fullscreen)
783         {
784                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
785                 gdevmode.dmBitsPerPel = bpp;
786                 gdevmode.dmPelsWidth = width;
787                 gdevmode.dmPelsHeight = height;
788                 gdevmode.dmSize = sizeof (gdevmode);
789                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
790                 {
791                         VID_Shutdown();
792                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
793                         return false;
794                 }
795
796                 vid_isfullscreen = true;
797                 WindowStyle = WS_POPUP;
798                 ExWindowStyle = WS_EX_TOPMOST;
799         }
800         else
801         {
802                 hdc = GetDC (NULL);
803                 i = GetDeviceCaps(hdc, RASTERCAPS);
804                 ReleaseDC (NULL, hdc);
805                 if (i & RC_PALETTE)
806                 {
807                         VID_Shutdown();
808                         Con_Printf ("Can't run in non-RGB mode\n");
809                         return false;
810                 }
811
812                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
813                 ExWindowStyle = 0;
814         }
815
816         rect.top = 0;
817         rect.left = 0;
818         rect.right = width;
819         rect.bottom = height;
820         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
821
822         if (fullscreen)
823         {
824                 CenterX = 0;
825                 CenterY = 0;
826         }
827         else
828         {
829                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
830                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
831         }
832         CenterX = max(0, CenterX);
833         CenterY = max(0, CenterY);
834
835         // x and y may be changed by WM_MOVE messages
836         window_x = CenterX;
837         window_y = CenterY;
838         window_width = width;
839         window_height = height;
840         rect.left += CenterX;
841         rect.right += CenterX;
842         rect.top += CenterY;
843         rect.bottom += CenterY;
844
845         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
846         if (!mainwindow)
847         {
848                 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);
849                 VID_Shutdown();
850                 return false;
851         }
852
853         /*
854         if (!fullscreen)
855                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
856         */
857
858         ShowWindow (mainwindow, SW_SHOWDEFAULT);
859         UpdateWindow (mainwindow);
860
861         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
862         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
863
864         VID_UpdateWindowStatus ();
865
866         // now we try to make sure we get the focus on the mode switch, because
867         // sometimes in some systems we don't.  We grab the foreground, then
868         // finish setting up, pump all our messages, and sleep for a little while
869         // to let messages finish bouncing around the system, then we put
870         // ourselves at the top of the z order, then grab the foreground again,
871         // Who knows if it helps, but it probably doesn't hurt
872         SetForegroundWindow (mainwindow);
873
874         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
875         {
876                 TranslateMessage (&msg);
877                 DispatchMessage (&msg);
878         }
879
880         Sleep (100);
881
882         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
883
884         SetForegroundWindow (mainwindow);
885
886         // fix the leftover Alt from any Alt-Tab or the like that switched us away
887         ClearAllStates ();
888
889         hdc = GetDC(mainwindow);
890
891         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
892         {
893                 VID_Shutdown();
894                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
895                 return false;
896         }
897
898         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
899         {
900                 VID_Shutdown();
901                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
902                 return false;
903         }
904
905         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
906         {
907                 VID_Shutdown();
908                 Con_Printf("wgl functions not found\n");
909                 return false;
910         }
911
912         baseRC = qwglCreateContext(hdc);
913         if (!baseRC)
914         {
915                 VID_Shutdown();
916                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
917                 return false;
918         }
919         if (!qwglMakeCurrent(hdc, baseRC))
920         {
921                 VID_Shutdown();
922                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
923                 return false;
924         }
925
926         qglGetString = GL_GetProcAddress("glGetString");
927         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
928         if (qglGetString == NULL)
929         {
930                 VID_Shutdown();
931                 Con_Printf("glGetString not found\n");
932                 return false;
933         }
934         gl_renderer = qglGetString(GL_RENDERER);
935         gl_vendor = qglGetString(GL_VENDOR);
936         gl_version = qglGetString(GL_VERSION);
937         gl_extensions = qglGetString(GL_EXTENSIONS);
938         gl_platform = "WGL";
939         gl_platformextensions = "";
940
941         if (qwglGetExtensionsStringARB)
942                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
943
944         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
945         ReleaseDC(mainwindow, hdc);
946
947         GL_Init ();
948
949         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
950         if (strncasecmp(gl_vendor,"ATI",3)==0)
951         {
952                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
953                         isRagePro = true;
954         }
955         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
956                 isG200 = true;
957
958         //vid_menudrawfn = VID_MenuDraw;
959         //vid_menukeyfn = VID_MenuKey;
960         vid_hidden = false;
961         vid_initialized = true;
962
963         IN_StartupMouse ();
964         IN_StartupJoystick ();
965
966         return true;
967 }
968
969 static void IN_Shutdown(void);
970 void VID_Shutdown (void)
971 {
972         HGLRC hRC = 0;
973         HDC hDC = 0;
974
975         if(vid_initialized == false)
976                 return;
977
978         VID_RestoreSystemGamma();
979
980         vid_initialized = false;
981         IN_Shutdown();
982         if (qwglGetCurrentContext)
983                 hRC = qwglGetCurrentContext();
984         if (qwglGetCurrentDC)
985                 hDC = qwglGetCurrentDC();
986         if (qwglMakeCurrent)
987                 qwglMakeCurrent(NULL, NULL);
988         if (hRC && qwglDeleteContext)
989                 qwglDeleteContext(hRC);
990         // close the library before we get rid of the window
991         GL_CloseLibrary();
992         if (hDC && mainwindow)
993                 ReleaseDC(mainwindow, hDC);
994         AppActivate(false, false);
995         if (mainwindow)
996                 DestroyWindow(mainwindow);
997         mainwindow = 0;
998         if (vid_isfullscreen)
999                 ChangeDisplaySettings (NULL, 0);
1000         vid_isfullscreen = false;
1001 }
1002
1003
1004 /*
1005 ===========
1006 IN_ShowMouse
1007 ===========
1008 */
1009 void IN_ShowMouse (void)
1010 {
1011         if (!mouseshowtoggle)
1012         {
1013                 ShowCursor (true);
1014                 mouseshowtoggle = 1;
1015         }
1016 }
1017
1018
1019 /*
1020 ===========
1021 IN_HideMouse
1022 ===========
1023 */
1024 void IN_HideMouse (void)
1025 {
1026         if (mouseshowtoggle)
1027         {
1028                 ShowCursor (false);
1029                 mouseshowtoggle = 0;
1030         }
1031 }
1032
1033
1034 /*
1035 ===========
1036 IN_ActivateMouse
1037 ===========
1038 */
1039 void IN_ActivateMouse (void)
1040 {
1041
1042         mouseactivatetoggle = true;
1043
1044         if (mouseinitialized)
1045         {
1046                 if (dinput)
1047                 {
1048                         if (g_pMouse)
1049                         {
1050                                 if (!dinput_acquired)
1051                                 {
1052                                         IDirectInputDevice_Acquire(g_pMouse);
1053                                         dinput_acquired = true;
1054                                 }
1055                         }
1056                         else
1057                         {
1058                                 return;
1059                         }
1060                 }
1061                 else
1062                 {
1063                         RECT window_rect;
1064                         window_rect.left = window_x;
1065                         window_rect.top = window_y;
1066                         window_rect.right = window_x + window_width;
1067                         window_rect.bottom = window_y + window_height;
1068
1069                         if (mouseparmsvalid)
1070                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1071
1072                         SetCursorPos (window_center_x, window_center_y);
1073                         SetCapture (mainwindow);
1074                         ClipCursor (&window_rect);
1075                 }
1076
1077                 mouseactive = true;
1078         }
1079 }
1080
1081
1082 /*
1083 ===========
1084 IN_DeactivateMouse
1085 ===========
1086 */
1087 void IN_DeactivateMouse (void)
1088 {
1089
1090         mouseactivatetoggle = false;
1091
1092         if (mouseinitialized)
1093         {
1094                 if (dinput)
1095                 {
1096                         if (g_pMouse)
1097                         {
1098                                 if (dinput_acquired)
1099                                 {
1100                                         IDirectInputDevice_Unacquire(g_pMouse);
1101                                         dinput_acquired = false;
1102                                 }
1103                         }
1104                 }
1105                 else
1106                 {
1107                         if (restore_spi)
1108                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1109
1110                         ClipCursor (NULL);
1111                         ReleaseCapture ();
1112                 }
1113
1114                 mouseactive = false;
1115         }
1116 }
1117
1118
1119 /*
1120 ===========
1121 IN_InitDInput
1122 ===========
1123 */
1124 qboolean IN_InitDInput (void)
1125 {
1126     HRESULT             hr;
1127         DIPROPDWORD     dipdw = {
1128                 {
1129                         sizeof(DIPROPDWORD),        // diph.dwSize
1130                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1131                         0,                          // diph.dwObj
1132                         DIPH_DEVICE,                // diph.dwHow
1133                 },
1134                 DINPUT_BUFFERSIZE,              // dwData
1135         };
1136
1137         if (!hInstDI)
1138         {
1139                 hInstDI = LoadLibrary("dinput.dll");
1140
1141                 if (hInstDI == NULL)
1142                 {
1143                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1144                         return false;
1145                 }
1146         }
1147
1148         if (!pDirectInputCreate)
1149         {
1150                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1151
1152                 if (!pDirectInputCreate)
1153                 {
1154                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1155                         return false;
1156                 }
1157         }
1158
1159 // register with DirectInput and get an IDirectInput to play with.
1160         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1161
1162         if (FAILED(hr))
1163         {
1164                 return false;
1165         }
1166
1167 // obtain an interface to the system mouse device.
1168         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1169
1170         if (FAILED(hr))
1171         {
1172                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1173                 return false;
1174         }
1175
1176 // set the data format to "mouse format".
1177         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1178
1179         if (FAILED(hr))
1180         {
1181                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1182                 return false;
1183         }
1184
1185 // set the cooperativity level.
1186         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1187                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1188
1189         if (FAILED(hr))
1190         {
1191                 Con_SafePrintf ("Couldn't set DI coop level\n");
1192                 return false;
1193         }
1194
1195
1196 // set the buffer size to DINPUT_BUFFERSIZE elements.
1197 // the buffer size is a DWORD property associated with the device
1198         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1199
1200         if (FAILED(hr))
1201         {
1202                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1203                 return false;
1204         }
1205
1206         return true;
1207 }
1208
1209
1210 /*
1211 ===========
1212 IN_StartupMouse
1213 ===========
1214 */
1215 void IN_StartupMouse (void)
1216 {
1217         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
1218                 return;
1219
1220         mouseinitialized = true;
1221
1222         if (COM_CheckParm ("-dinput"))
1223         {
1224                 dinput = IN_InitDInput ();
1225
1226                 if (dinput)
1227                 {
1228                         Con_SafePrintf ("DirectInput initialized\n");
1229                 }
1230                 else
1231                 {
1232                         Con_SafePrintf ("DirectInput not initialized\n");
1233                 }
1234         }
1235
1236         if (!dinput)
1237         {
1238                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1239
1240                 if (mouseparmsvalid)
1241                 {
1242                         if ( COM_CheckParm ("-noforcemspd") )
1243                                 newmouseparms[2] = originalmouseparms[2];
1244
1245                         if ( COM_CheckParm ("-noforcemaccel") )
1246                         {
1247                                 newmouseparms[0] = originalmouseparms[0];
1248                                 newmouseparms[1] = originalmouseparms[1];
1249                         }
1250
1251                         if ( COM_CheckParm ("-noforcemparms") )
1252                         {
1253                                 newmouseparms[0] = originalmouseparms[0];
1254                                 newmouseparms[1] = originalmouseparms[1];
1255                                 newmouseparms[2] = originalmouseparms[2];
1256                         }
1257                 }
1258         }
1259
1260         mouse_buttons = 10;
1261
1262 // if a fullscreen video mode was set before the mouse was initialized,
1263 // set the mouse state appropriately
1264         if (mouseactivatetoggle)
1265                 IN_ActivateMouse ();
1266 }
1267
1268
1269 /*
1270 ===========
1271 IN_MouseEvent
1272 ===========
1273 */
1274 void IN_MouseEvent (int mstate)
1275 {
1276         int     i;
1277
1278         if (mouseactive && !dinput)
1279         {
1280         // perform button actions
1281                 for (i=0 ; i<mouse_buttons ; i++)
1282                 {
1283                         if ( (mstate & (1<<i)) &&
1284                                 !(mouse_oldbuttonstate & (1<<i)) )
1285                         {
1286                                 Key_Event (K_MOUSE1 + i, 0, true);
1287                         }
1288
1289                         if ( !(mstate & (1<<i)) &&
1290                                 (mouse_oldbuttonstate & (1<<i)) )
1291                         {
1292                                 Key_Event (K_MOUSE1 + i, 0, false);
1293                         }
1294                 }
1295
1296                 mouse_oldbuttonstate = mstate;
1297         }
1298 }
1299
1300
1301 /*
1302 ===========
1303 IN_MouseMove
1304 ===========
1305 */
1306 void IN_MouseMove (usercmd_t *cmd)
1307 {
1308         int                                     i, mx, my;
1309         DIDEVICEOBJECTDATA      od;
1310         DWORD                           dwElements;
1311         HRESULT                         hr;
1312
1313         if (!mouseactive)
1314         {
1315                 GetCursorPos (&current_pos);
1316                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1317                 in_mouse_x = in_mouse_y = 0;
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, 0, true);
1386                         }
1387
1388                         if ( !(mstate_di & (1<<i)) &&
1389                                 (mouse_oldbuttonstate & (1<<i)) )
1390                         {
1391                                 Key_Event (K_MOUSE1 + i, 0, 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 IN_Commands
1638 ===========
1639 */
1640 void IN_Commands (void)
1641 {
1642         int             i, key_index;
1643         DWORD   buttonstate, povstate;
1644
1645         if (!joy_avail)
1646         {
1647                 return;
1648         }
1649
1650
1651         // loop through the joystick buttons
1652         // key a joystick event or auxillary event for higher number buttons for each state change
1653         buttonstate = ji.dwButtons;
1654         for (i=0 ; i < (int) joy_numbuttons ; i++)
1655         {
1656                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1657                 {
1658                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1659                         Key_Event (key_index + i, 0, true);
1660                 }
1661
1662                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1663                 {
1664                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1665                         Key_Event (key_index + i, 0, false);
1666                 }
1667         }
1668         joy_oldbuttonstate = buttonstate;
1669
1670         if (joy_haspov)
1671         {
1672                 // convert POV information into 4 bits of state information
1673                 // this avoids any potential problems related to moving from one
1674                 // direction to another without going through the center position
1675                 povstate = 0;
1676                 if(ji.dwPOV != JOY_POVCENTERED)
1677                 {
1678                         if (ji.dwPOV == JOY_POVFORWARD)
1679                                 povstate |= 0x01;
1680                         if (ji.dwPOV == JOY_POVRIGHT)
1681                                 povstate |= 0x02;
1682                         if (ji.dwPOV == JOY_POVBACKWARD)
1683                                 povstate |= 0x04;
1684                         if (ji.dwPOV == JOY_POVLEFT)
1685                                 povstate |= 0x08;
1686                 }
1687                 // determine which bits have changed and key an auxillary event for each change
1688                 for (i=0 ; i < 4 ; i++)
1689                 {
1690                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1691                         {
1692                                 Key_Event (K_AUX29 + i, 0, true);
1693                         }
1694
1695                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1696                         {
1697                                 Key_Event (K_AUX29 + i, 0, false);
1698                         }
1699                 }
1700                 joy_oldpovstate = povstate;
1701         }
1702 }
1703
1704
1705 /*
1706 ===============
1707 IN_ReadJoystick
1708 ===============
1709 */
1710 qboolean IN_ReadJoystick (void)
1711 {
1712
1713         memset (&ji, 0, sizeof(ji));
1714         ji.dwSize = sizeof(ji);
1715         ji.dwFlags = joy_flags;
1716
1717         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1718         {
1719                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1720                 // rather than having 32768 be the zero point, they have the zero point at 32668
1721                 // go figure -- anyway, now we get the full resolution out of the device
1722                 if (joy_wwhack1.integer != 0.0)
1723                 {
1724                         ji.dwUpos += 100;
1725                 }
1726                 return true;
1727         }
1728         else
1729         {
1730                 // read error occurred
1731                 // turning off the joystick seems too harsh for 1 read error,
1732                 // but what should be done?
1733                 return false;
1734         }
1735 }
1736
1737
1738 /*
1739 ===========
1740 IN_JoyMove
1741 ===========
1742 */
1743 void IN_JoyMove (usercmd_t *cmd)
1744 {
1745         float   speed, aspeed;
1746         float   fAxisValue, fTemp;
1747         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1748
1749         // complete initialization if first time in
1750         // this is needed as cvars are not available at initialization time
1751         if( joy_advancedinit != true )
1752         {
1753                 Joy_AdvancedUpdate_f();
1754                 joy_advancedinit = true;
1755         }
1756
1757         // verify joystick is available and that the user wants to use it
1758         if (!joy_avail || !in_joystick.integer)
1759         {
1760                 return;
1761         }
1762
1763         // collect the joystick data, if possible
1764         if (IN_ReadJoystick () != true)
1765         {
1766                 return;
1767         }
1768
1769         if (in_speed.state & 1)
1770                 speed = cl_movespeedkey.value;
1771         else
1772                 speed = 1;
1773         // LordHavoc: viewzoom affects sensitivity for sniping
1774         aspeed = speed * host_realframetime * cl.viewzoom;
1775
1776         // loop through the axes
1777         for (i = 0; i < JOY_MAX_AXES; i++)
1778         {
1779                 // get the floating point zero-centered, potentially-inverted data for the current axis
1780                 fAxisValue = (float) *pdwRawValue[i];
1781                 // move centerpoint to zero
1782                 fAxisValue -= 32768.0;
1783
1784                 if (joy_wwhack2.integer != 0.0)
1785                 {
1786                         if (dwAxisMap[i] == AxisTurn)
1787                         {
1788                                 // this is a special formula for the Logitech WingMan Warrior
1789                                 // y=ax^b; where a = 300 and b = 1.3
1790                                 // also x values are in increments of 800 (so this is factored out)
1791                                 // then bounds check result to level out excessively high spin rates
1792                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1793                                 if (fTemp > 14000.0)
1794                                         fTemp = 14000.0;
1795                                 // restore direction information
1796                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1797                         }
1798                 }
1799
1800                 // convert range from -32768..32767 to -1..1
1801                 fAxisValue /= 32768.0;
1802
1803                 switch (dwAxisMap[i])
1804                 {
1805                 case AxisForward:
1806                         if ((joy_advanced.integer == 0) && mouselook)
1807                         {
1808                                 // user wants forward control to become look control
1809                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1810                                 {
1811                                         // if mouse invert is on, invert the joystick pitch value
1812                                         // only absolute control support here (joy_advanced is false)
1813                                         if (m_pitch.value < 0.0)
1814                                         {
1815                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1816                                         }
1817                                         else
1818                                         {
1819                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1820                                         }
1821                                         V_StopPitchDrift();
1822                                 }
1823                                 else
1824                                 {
1825                                         // no pitch movement
1826                                         // disable pitch return-to-center unless requested by user
1827                                         // *** this code can be removed when the lookspring bug is fixed
1828                                         // *** the bug always has the lookspring feature on
1829                                         if(lookspring.value == 0.0)
1830                                                 V_StopPitchDrift();
1831                                 }
1832                         }
1833                         else
1834                         {
1835                                 // user wants forward control to be forward control
1836                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1837                                 {
1838                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1839                                 }
1840                         }
1841                         break;
1842
1843                 case AxisSide:
1844                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1845                         {
1846                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1847                         }
1848                         break;
1849
1850                 case AxisTurn:
1851                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1852                         {
1853                                 // user wants turn control to become side control
1854                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1855                                 {
1856                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1857                                 }
1858                         }
1859                         else
1860                         {
1861                                 // user wants turn control to be turn control
1862                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1863                                 {
1864                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1865                                         {
1866                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1867                                         }
1868                                         else
1869                                         {
1870                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1871                                         }
1872
1873                                 }
1874                         }
1875                         break;
1876
1877                 case AxisLook:
1878                         if (mouselook)
1879                         {
1880                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1881                                 {
1882                                         // pitch movement detected and pitch movement desired by user
1883                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1884                                         {
1885                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1886                                         }
1887                                         else
1888                                         {
1889                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1890                                         }
1891                                         V_StopPitchDrift();
1892                                 }
1893                                 else
1894                                 {
1895                                         // no pitch movement
1896                                         // disable pitch return-to-center unless requested by user
1897                                         // *** this code can be removed when the lookspring bug is fixed
1898                                         // *** the bug always has the lookspring feature on
1899                                         if(lookspring.integer == 0)
1900                                                 V_StopPitchDrift();
1901                                 }
1902                         }
1903                         break;
1904
1905                 default:
1906                         break;
1907                 }
1908         }
1909 }
1910
1911 static void IN_Init(void)
1912 {
1913         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1914
1915         // joystick variables
1916         Cvar_RegisterVariable (&in_joystick);
1917         Cvar_RegisterVariable (&joy_name);
1918         Cvar_RegisterVariable (&joy_advanced);
1919         Cvar_RegisterVariable (&joy_advaxisx);
1920         Cvar_RegisterVariable (&joy_advaxisy);
1921         Cvar_RegisterVariable (&joy_advaxisz);
1922         Cvar_RegisterVariable (&joy_advaxisr);
1923         Cvar_RegisterVariable (&joy_advaxisu);
1924         Cvar_RegisterVariable (&joy_advaxisv);
1925         Cvar_RegisterVariable (&joy_forwardthreshold);
1926         Cvar_RegisterVariable (&joy_sidethreshold);
1927         Cvar_RegisterVariable (&joy_pitchthreshold);
1928         Cvar_RegisterVariable (&joy_yawthreshold);
1929         Cvar_RegisterVariable (&joy_forwardsensitivity);
1930         Cvar_RegisterVariable (&joy_sidesensitivity);
1931         Cvar_RegisterVariable (&joy_pitchsensitivity);
1932         Cvar_RegisterVariable (&joy_yawsensitivity);
1933         Cvar_RegisterVariable (&joy_wwhack1);
1934         Cvar_RegisterVariable (&joy_wwhack2);
1935         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1936 }
1937
1938 static void IN_Shutdown(void)
1939 {
1940         IN_DeactivateMouse ();
1941         IN_ShowMouse ();
1942
1943         if (g_pMouse)
1944                 IDirectInputDevice_Release(g_pMouse);
1945         g_pMouse = NULL;
1946
1947         if (g_pdi)
1948                 IDirectInput_Release(g_pdi);
1949         g_pdi = NULL;
1950 }