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