fixed vid_restart
[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 gl_extensionfunctionlist_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 gl_extensionfunctionlist_t wglswapintervalfuncs[] =
60 {
61         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
62         {NULL, NULL}
63 };
64
65 void VID_RestoreGameGamma(void);
66 void VID_GetSystemGamma(void);
67 void VID_RestoreSystemGamma(void);
68
69 qboolean scr_skipupdate;
70
71 static DEVMODE gdevmode;
72 static qboolean vid_initialized = false;
73 static qboolean vid_wassuspended = false;
74 static int vid_usingmouse;
75 extern qboolean mouseactive;  // from in_win.c
76 static HICON hIcon;
77
78 HWND mainwindow;
79
80 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
81
82 static int vid_isfullscreen;
83
84 //void VID_MenuDraw (void);
85 //void VID_MenuKey (int key);
86
87 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
88 //void AppActivate(BOOL fActive, BOOL minimize);
89 //void ClearAllStates (void);
90 //void VID_UpdateWindowStatus (void);
91
92 //====================================
93
94 int window_x, window_y, window_width, window_height;
95 int window_center_x, window_center_y;
96
97 void IN_ShowMouse (void);
98 void IN_DeactivateMouse (void);
99 void IN_HideMouse (void);
100 void IN_ActivateMouse (void);
101 void IN_MouseEvent (int mstate);
102 void IN_UpdateClipCursor (void);
103
104 qboolean mouseinitialized;
105 static qboolean dinput;
106
107 // input code
108
109 #include <dinput.h>
110
111 #define DINPUT_BUFFERSIZE           16
112 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
113
114 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
115         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
116
117 // mouse variables
118 int                     mouse_buttons;
119 int                     mouse_oldbuttonstate;
120 POINT           current_pos;
121 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
122
123 static qboolean restore_spi;
124 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
125
126 unsigned int uiWheelMessage;
127 qboolean        mouseactive;
128 //qboolean              mouseinitialized;
129 static qboolean mouseparmsvalid, mouseactivatetoggle;
130 static qboolean mouseshowtoggle = 1;
131 static qboolean dinput_acquired;
132
133 static unsigned int             mstate_di;
134
135 // joystick defines and variables
136 // where should defines be moved?
137 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
138 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
139 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
140 #define JOY_AXIS_X                      0
141 #define JOY_AXIS_Y                      1
142 #define JOY_AXIS_Z                      2
143 #define JOY_AXIS_R                      3
144 #define JOY_AXIS_U                      4
145 #define JOY_AXIS_V                      5
146
147 enum _ControlList
148 {
149         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
150 };
151
152 DWORD   dwAxisFlags[JOY_MAX_AXES] =
153 {
154         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
155 };
156
157 DWORD   dwAxisMap[JOY_MAX_AXES];
158 DWORD   dwControlMap[JOY_MAX_AXES];
159 PDWORD  pdwRawValue[JOY_MAX_AXES];
160
161 // none of these cvars are saved over a session
162 // this means that advanced controller configuration needs to be executed
163 // each time.  this avoids any problems with getting back to a default usage
164 // or when changing from one controller to another.  this way at least something
165 // works.
166 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
167 cvar_t  joy_name = {0, "joyname", "joystick"};
168 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
169 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
170 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
171 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
172 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
173 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
174 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
175 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
176 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
177 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
178 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
179 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
180 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
181 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
182 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
183 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
184 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
185
186 qboolean        joy_avail, joy_advancedinit, joy_haspov;
187 DWORD           joy_oldbuttonstate, joy_oldpovstate;
188
189 int                     joy_id;
190 DWORD           joy_flags;
191 DWORD           joy_numbuttons;
192
193 static LPDIRECTINPUT            g_pdi;
194 static LPDIRECTINPUTDEVICE      g_pMouse;
195
196 static JOYINFOEX        ji;
197
198 static HINSTANCE hInstDI;
199
200 //static qboolean       dinput;
201
202 typedef struct MYDATA {
203         LONG  lX;                   // X axis goes here
204         LONG  lY;                   // Y axis goes here
205         LONG  lZ;                   // Z axis goes here
206         BYTE  bButtonA;             // One button goes here
207         BYTE  bButtonB;             // Another button goes here
208         BYTE  bButtonC;             // Another button goes here
209         BYTE  bButtonD;             // Another button goes here
210 } MYDATA;
211
212 static DIOBJECTDATAFORMAT rgodf[] = {
213   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
214   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
215   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
216   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
217   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
218   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
219   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
220 };
221
222 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
223
224 static DIDATAFORMAT     df = {
225         sizeof(DIDATAFORMAT),       // this structure
226         sizeof(DIOBJECTDATAFORMAT), // size of object data format
227         DIDF_RELAXIS,               // absolute axis coordinates
228         sizeof(MYDATA),             // device data size
229         NUM_OBJECTS,                // number of objects
230         rgodf,                      // and here they are
231 };
232
233 // forward-referenced functions
234 void IN_StartupJoystick (void);
235 void Joy_AdvancedUpdate_f (void);
236 void IN_JoyMove (usercmd_t *cmd);
237 void IN_StartupMouse (void);
238
239 /*
240 ================
241 VID_UpdateWindowStatus
242 ================
243 */
244 void VID_UpdateWindowStatus (void)
245 {
246         window_center_x = window_x + window_width / 2;
247         window_center_y = window_y + window_height / 2;
248
249         if (mouseinitialized && mouseactive && !dinput)
250         {
251                 RECT window_rect;
252                 window_rect.left = window_x;
253                 window_rect.top = window_y;
254                 window_rect.right = window_x + window_width;
255                 window_rect.bottom = window_y + window_height;
256                 ClipCursor (&window_rect);
257         }
258 }
259
260
261 //====================================
262
263 /*
264 =================
265 VID_GetWindowSize
266 =================
267 */
268 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
269 {
270         *x = 0;
271         *y = 0;
272         *width = window_width;
273         *height = window_height;
274 }
275
276
277 void VID_Finish (void)
278 {
279         HDC hdc;
280         int vid_usemouse;
281         if (r_render.integer && !scr_skipupdate)
282         {
283                 qglFinish();
284                 hdc = GetDC(mainwindow);
285                 SwapBuffers(hdc);
286                 ReleaseDC(mainwindow, hdc);
287         }
288
289 // handle the mouse state when windowed if that's changed
290         vid_usemouse = false;
291         if (vid_mouse.integer && !key_consoleactive)
292                 vid_usemouse = true;
293         if (vid_isfullscreen)
294                 vid_usemouse = true;
295         if (!vid_activewindow)
296                 vid_usemouse = false;
297         if (vid_usemouse)
298         {
299                 if (!vid_usingmouse)
300                 {
301                         vid_usingmouse = true;
302                         IN_ActivateMouse ();
303                         IN_HideMouse();
304                 }
305         }
306         else
307         {
308                 if (vid_usingmouse)
309                 {
310                         vid_usingmouse = false;
311                         IN_DeactivateMouse ();
312                         IN_ShowMouse();
313                 }
314         }
315 }
316
317 //==========================================================================
318
319
320
321
322 qbyte scantokey[128] =
323 {
324 //      0           1      2     3     4     5       6       7      8         9      A       B           C     D            E           F
325         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'    ,'0'        ,'-'  ,'='         ,K_BACKSPACE,9     , // 0
326         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['    ,']'        ,13   ,K_CTRL      ,'a'        ,'s'   , // 1
327         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT,'\\'       ,'z'  ,'x'         ,'c'        ,'v'   , // 2
328         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0      ,K_F1       ,K_F2 ,K_F3        ,K_F4       ,K_F5  , // 3
329         K_F6       ,K_F7  ,K_F8 ,K_F9 ,K_F10,K_PAUSE,0      ,K_HOME,K_UPARROW,K_PGUP,'-'    ,K_LEFTARROW,'5'  ,K_RIGHTARROW,'+'        ,K_END , // 4
330         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 5
331         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0     , // 6
332         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0      ,0          ,0    ,0           ,0          ,0       // 7
333 };
334
335
336 /*
337 =======
338 MapKey
339
340 Map from windows to quake keynums
341 =======
342 */
343 int MapKey (int key, int virtualkey)
344 {
345         key = (key>>16)&255;
346         if (key > 127)
347                 return 0;
348         if (scantokey[key] == 0)
349                 Con_DPrintf("key 0x%02x has no translation\n", key);
350         return scantokey[key];
351 }
352
353 /*
354 ===================================================================
355
356 MAIN WINDOW
357
358 ===================================================================
359 */
360
361 /*
362 ================
363 ClearAllStates
364 ================
365 */
366 void ClearAllStates (void)
367 {
368         int             i;
369
370 // send an up event for each key, to make sure the server clears them all
371         for (i=0 ; i<256 ; i++)
372         {
373                 Key_Event (i, false);
374         }
375
376         Key_ClearStates ();
377         IN_ClearStates ();
378 }
379
380 void VID_RestoreGameGamma(void);
381 extern qboolean host_loopactive;
382
383 void AppActivate(BOOL fActive, BOOL minimize)
384 /****************************************************************************
385 *
386 * Function:     AppActivate
387 * Parameters:   fActive - True if app is activating
388 *
389 * Description:  If the application is activating, then swap the system
390 *               into SYSPAL_NOSTATIC mode so that our palettes will display
391 *               correctly.
392 *
393 ****************************************************************************/
394 {
395         static BOOL     sound_active;
396
397         vid_activewindow = fActive;
398         vid_hidden = minimize;
399
400 // enable/disable sound on focus gain/loss
401         if (!vid_activewindow && sound_active)
402         {
403                 S_BlockSound ();
404                 sound_active = false;
405         }
406         else if (vid_activewindow && !sound_active)
407         {
408                 S_UnblockSound ();
409                 sound_active = true;
410         }
411
412         if (fActive)
413         {
414                 if (vid_isfullscreen)
415                 {
416                         if (vid_wassuspended)
417                         {
418                                 vid_wassuspended = false;
419                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
420                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
421                         }
422
423                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
424                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
425                 }
426                 if (host_loopactive)
427                         VID_RestoreGameGamma();
428         }
429
430         if (!fActive)
431         {
432                 vid_usingmouse = false;
433                 IN_DeactivateMouse ();
434                 IN_ShowMouse ();
435                 if (vid_isfullscreen)
436                 {
437                         ChangeDisplaySettings (NULL, 0);
438                         vid_wassuspended = true;
439                 }
440                 VID_RestoreSystemGamma();
441         }
442 }
443
444 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
445
446 /* main window procedure */
447 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
448 {
449         LONG    lRet = 1;
450         int             fActive, fMinimized, temp;
451         extern unsigned int uiWheelMessage;
452
453         if ( uMsg == uiWheelMessage )
454                 uMsg = WM_MOUSEWHEEL;
455
456         switch (uMsg)
457         {
458                 case WM_KILLFOCUS:
459                         if (vid_isfullscreen)
460                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
461                         break;
462
463                 case WM_CREATE:
464                         break;
465
466                 case WM_MOVE:
467                         window_x = (int) LOWORD(lParam);
468                         window_y = (int) HIWORD(lParam);
469                         VID_UpdateWindowStatus ();
470                         break;
471
472                 case WM_KEYDOWN:
473                 case WM_SYSKEYDOWN:
474                         Key_Event (MapKey(lParam, wParam), true);
475                         break;
476
477                 case WM_KEYUP:
478                 case WM_SYSKEYUP:
479                         Key_Event (MapKey(lParam, wParam), false);
480                         break;
481
482                 case WM_SYSCHAR:
483                 // keep Alt-Space from happening
484                         break;
485
486         // this is complicated because Win32 seems to pack multiple mouse events into
487         // one update sometimes, so we always check all states and look for events
488                 case WM_LBUTTONDOWN:
489                 case WM_LBUTTONUP:
490                 case WM_RBUTTONDOWN:
491                 case WM_RBUTTONUP:
492                 case WM_MBUTTONDOWN:
493                 case WM_MBUTTONUP:
494                 case WM_MOUSEMOVE:
495                         temp = 0;
496
497                         if (wParam & MK_LBUTTON)
498                                 temp |= 1;
499
500                         if (wParam & MK_RBUTTON)
501                                 temp |= 2;
502
503                         if (wParam & MK_MBUTTON)
504                                 temp |= 4;
505
506                         IN_MouseEvent (temp);
507
508                         break;
509
510                 // JACK: This is the mouse wheel with the Intellimouse
511                 // Its delta is either positive or neg, and we generate the proper
512                 // Event.
513                 case WM_MOUSEWHEEL:
514                         if ((short) HIWORD(wParam) > 0) {
515                                 Key_Event(K_MWHEELUP, true);
516                                 Key_Event(K_MWHEELUP, false);
517                         } else {
518                                 Key_Event(K_MWHEELDOWN, true);
519                                 Key_Event(K_MWHEELDOWN, false);
520                         }
521                         break;
522
523                 case WM_SIZE:
524                         break;
525
526                 case WM_CLOSE:
527                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
528                                 Sys_Quit ();
529
530                         break;
531
532                 case WM_ACTIVATE:
533                         fActive = LOWORD(wParam);
534                         fMinimized = (BOOL) HIWORD(wParam);
535                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
536
537                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
538                         ClearAllStates ();
539
540                         break;
541
542                 //case WM_DESTROY:
543                 //      PostQuitMessage (0);
544                 //      break;
545
546                 case MM_MCINOTIFY:
547                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
548                         break;
549
550                 default:
551                         /* pass all unhandled messages to DefWindowProc */
552                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
553                 break;
554         }
555
556         /* return 1 if handled message, 0 if not */
557         return lRet;
558 }
559
560
561 //static int grabsysgamma = true;
562 WORD systemgammaramps[3][256], currentgammaramps[3][256];
563
564 int VID_SetGamma(float prescale, float gamma, float scale, float base)
565 {
566         int i;
567         HDC hdc;
568         hdc = GetDC (NULL);
569
570         BuildGammaTable16(prescale, gamma, scale, base, &currentgammaramps[0][0]);
571         for (i = 0;i < 256;i++)
572                 currentgammaramps[1][i] = currentgammaramps[2][i] = currentgammaramps[0][i];
573
574         i = SetDeviceGammaRamp(hdc, &currentgammaramps[0][0]);
575
576         ReleaseDC (NULL, hdc);
577         return i; // return success or failure
578 }
579
580 void VID_RestoreGameGamma(void)
581 {
582         VID_UpdateGamma(true);
583 }
584
585 void VID_GetSystemGamma(void)
586 {
587         HDC hdc;
588         hdc = GetDC (NULL);
589
590         GetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
591
592         ReleaseDC (NULL, hdc);
593 }
594
595 void VID_RestoreSystemGamma(void)
596 {
597         HDC hdc;
598         hdc = GetDC (NULL);
599
600         SetDeviceGammaRamp(hdc, &systemgammaramps[0][0]);
601
602         ReleaseDC (NULL, hdc);
603 }
604
605 //========================================================
606 // Video menu stuff
607 //========================================================
608
609 #if 0
610 extern void M_Menu_Options_f (void);
611 extern void M_Print (float cx, float cy, char *str);
612 extern void M_PrintWhite (float cx, float cy, char *str);
613 extern void M_DrawCharacter (float cx, float cy, int num);
614 extern void M_DrawPic (float cx, float cy, char *picname);
615
616 static int vid_wmodes;
617
618 typedef struct
619 {
620         int modenum;
621         char *desc;
622         int iscur;
623 } modedesc_t;
624
625 #define MAX_COLUMN_SIZE         9
626 #define MODE_AREA_HEIGHT        (MAX_COLUMN_SIZE + 2)
627 #define MAX_MODEDESCS           (MAX_COLUMN_SIZE*3)
628
629 static modedesc_t modedescs[MAX_MODEDESCS];
630
631 /*
632 ================
633 VID_MenuDraw
634 ================
635 */
636 void VID_MenuDraw (void)
637 {
638         cachepic_t *p;
639         char *ptr;
640         int lnummodes, i, k, column, row;
641         vmode_t *pv;
642
643         p = Draw_CachePic ("gfx/vidmodes.lmp");
644         M_DrawPic ( (320-p->width)/2, 4, "gfx/vidmodes.lmp");
645
646         vid_wmodes = 0;
647         lnummodes = VID_NumModes ();
648
649         for (i=1 ; (i<lnummodes) && (vid_wmodes < MAX_MODEDESCS) ; i++)
650         {
651                 ptr = VID_GetModeDescription (i);
652                 pv = VID_GetModePtr (i);
653
654                 k = vid_wmodes;
655
656                 modedescs[k].modenum = i;
657                 modedescs[k].desc = ptr;
658                 modedescs[k].iscur = 0;
659
660                 if (i == vid_modenum)
661                         modedescs[k].iscur = 1;
662
663                 vid_wmodes++;
664
665         }
666
667         if (vid_wmodes > 0)
668         {
669                 M_Print (2*8, 36+0*8, "Fullscreen Modes (WIDTHxHEIGHTxBPP)");
670
671                 column = 8;
672                 row = 36+2*8;
673
674                 for (i=0 ; i<vid_wmodes ; i++)
675                 {
676                         if (modedescs[i].iscur)
677                                 M_PrintWhite (column, row, modedescs[i].desc);
678                         else
679                                 M_Print (column, row, modedescs[i].desc);
680
681                         column += 13*8;
682
683                         if ((i % VID_ROW_SIZE) == (VID_ROW_SIZE - 1))
684                         {
685                                 column = 8;
686                                 row += 8;
687                         }
688                 }
689         }
690
691         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*2, "Video modes must be set from the");
692         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*3, "command line with -width <width>");
693         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*4, "and -bpp <bits-per-pixel>");
694         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*6, "Select windowed mode with -window");
695 }
696
697
698 /*
699 ================
700 VID_MenuKey
701 ================
702 */
703 void VID_MenuKey (int key)
704 {
705         switch (key)
706         {
707         case K_ESCAPE:
708                 S_LocalSound ("misc/menu1.wav");
709                 M_Menu_Options_f ();
710                 break;
711
712         default:
713                 break;
714         }
715 }
716 #endif
717
718 static HINSTANCE gldll;
719
720 int GL_OpenLibrary(const char *name)
721 {
722         Con_Printf("Loading GL driver %s\n", name);
723         GL_CloseLibrary();
724         if (!(gldll = LoadLibrary(name)))
725         {
726                 Con_Printf("Unable to LoadLibrary %s\n", name);
727                 return false;
728         }
729         strcpy(gl_driver, name);
730         return true;
731 }
732
733 void GL_CloseLibrary(void)
734 {
735         FreeLibrary(gldll);
736         gldll = 0;
737         gl_driver[0] = 0;
738         qwglGetProcAddress = NULL;
739         gl_extensions = "";
740         gl_platform = "";
741         gl_platformextensions = "";
742 }
743
744 void *GL_GetProcAddress(const char *name)
745 {
746         void *p = NULL;
747         if (qwglGetProcAddress != NULL)
748                 p = (void *) qwglGetProcAddress(name);
749         if (p == NULL)
750                 p = (void *) GetProcAddress(gldll, name);
751         return p;
752 }
753
754 static void IN_Init(void);
755 void VID_Init(void)
756 {
757         WNDCLASS wc;
758
759         InitCommonControls();
760         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
761
762         // Register the frame class
763         wc.style         = 0;
764         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
765         wc.cbClsExtra    = 0;
766         wc.cbWndExtra    = 0;
767         wc.hInstance     = global_hInstance;
768         wc.hIcon         = 0;
769         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
770         wc.hbrBackground = NULL;
771         wc.lpszMenuName  = 0;
772         wc.lpszClassName = "DarkPlacesWindowClass";
773
774         if (!RegisterClass (&wc))
775                 Sys_Error("Couldn't register window class\n");
776
777         IN_Init();
778 }
779
780 int VID_InitMode (int fullscreen, int width, int height, int bpp, int stencil)
781 {
782         int i;
783         HDC hdc;
784         RECT rect;
785         MSG msg;
786         PIXELFORMATDESCRIPTOR pfd =
787         {
788                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
789                 1,                              // version number
790                 PFD_DRAW_TO_WINDOW              // support window
791                 |  PFD_SUPPORT_OPENGL   // support OpenGL
792                 |  PFD_DOUBLEBUFFER ,   // double buffered
793                 PFD_TYPE_RGBA,                  // RGBA type
794                 24,                             // 24-bit color depth
795                 0, 0, 0, 0, 0, 0,               // color bits ignored
796                 0,                              // no alpha buffer
797                 0,                              // shift bit ignored
798                 0,                              // no accumulation buffer
799                 0, 0, 0, 0,                     // accum bits ignored
800                 32,                             // 32-bit z-buffer
801                 0,                              // no stencil buffer
802                 0,                              // no auxiliary buffer
803                 PFD_MAIN_PLANE,                 // main layer
804                 0,                              // reserved
805                 0, 0, 0                         // layer masks ignored
806         };
807         int pixelformat;
808         DWORD WindowStyle, ExWindowStyle;
809         HGLRC baseRC;
810         int CenterX, CenterY;
811         const char *gldrivername;
812         
813         if (vid_initialized)
814                 Sys_Error("VID_InitMode called when video is already initialised\n");
815
816         if (stencil)
817                 pfd.cStencilBits = 8;
818         else
819                 pfd.cStencilBits = 0;
820
821         gldrivername = "opengl32.dll";
822         i = COM_CheckParm("-gl_driver");
823         if (i && i < com_argc - 1)
824                 gldrivername = com_argv[i + 1];
825         if (!GL_OpenLibrary(gldrivername))
826         {
827                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
828                 return false;
829         }
830
831         memset(&gdevmode, 0, sizeof(gdevmode));
832
833         VID_GetSystemGamma();
834
835         vid_isfullscreen = false;
836         if (fullscreen)
837         {
838                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
839                 gdevmode.dmBitsPerPel = bpp;
840                 gdevmode.dmPelsWidth = width;
841                 gdevmode.dmPelsHeight = height;
842                 gdevmode.dmSize = sizeof (gdevmode);
843                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
844                 {
845                         VID_Shutdown();
846                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
847                         return false;
848                 }
849
850                 vid_isfullscreen = true;
851                 WindowStyle = WS_POPUP;
852                 ExWindowStyle = 0;
853         }
854         else
855         {
856                 hdc = GetDC (NULL);
857                 i = GetDeviceCaps(hdc, RASTERCAPS);
858                 ReleaseDC (NULL, hdc);
859                 if (i & RC_PALETTE)
860                 {
861                         VID_Shutdown();
862                         Con_Printf ("Can't run in non-RGB mode\n");
863                         return false;
864                 }
865
866                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
867                 ExWindowStyle = 0;
868         }
869
870         rect.top = 0;
871         rect.left = 0;
872         rect.right = width;
873         rect.bottom = height;
874         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
875
876         if (fullscreen)
877         {
878                 CenterX = 0;
879                 CenterY = 0;
880         }
881         else
882         {
883                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
884                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
885         }
886         CenterX = max(0, CenterX);
887         CenterY = max(0, CenterY);
888
889         // x and y may be changed by WM_MOVE messages
890         window_x = CenterX;
891         window_y = CenterY;
892         window_width = width;
893         window_height = height;
894         rect.left += CenterX;
895         rect.right += CenterX;
896         rect.top += CenterY;
897         rect.bottom += CenterY;
898
899         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
900         if (!mainwindow)
901         {
902                 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);
903                 VID_Shutdown();
904                 return false;
905         }
906
907         /*
908         if (!fullscreen)
909                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
910         */
911
912         ShowWindow (mainwindow, SW_SHOWDEFAULT);
913         UpdateWindow (mainwindow);
914
915         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
916         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
917
918         VID_UpdateWindowStatus ();
919
920         // now we try to make sure we get the focus on the mode switch, because
921         // sometimes in some systems we don't.  We grab the foreground, then
922         // finish setting up, pump all our messages, and sleep for a little while
923         // to let messages finish bouncing around the system, then we put
924         // ourselves at the top of the z order, then grab the foreground again,
925         // Who knows if it helps, but it probably doesn't hurt
926         SetForegroundWindow (mainwindow);
927
928         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
929         {
930                 TranslateMessage (&msg);
931                 DispatchMessage (&msg);
932         }
933
934         Sleep (100);
935
936         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
937
938         SetForegroundWindow (mainwindow);
939
940         // fix the leftover Alt from any Alt-Tab or the like that switched us away
941         ClearAllStates ();
942         
943         hdc = GetDC(mainwindow);
944
945         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
946         {
947                 VID_Shutdown();
948                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
949                 return false;
950         }
951
952         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
953         {
954                 VID_Shutdown();
955                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
956                 return false;
957         }
958
959         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
960         {
961                 VID_Shutdown();
962                 Con_Printf("wgl functions not found\n");
963                 return false;
964         }
965
966         baseRC = qwglCreateContext(hdc);
967         if (!baseRC)
968         {
969                 VID_Shutdown();
970                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
971                 return false;
972         }
973         if (!qwglMakeCurrent(hdc, baseRC))
974         {
975                 VID_Shutdown();
976                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
977                 return false;
978         }
979
980         qglGetString = GL_GetProcAddress("glGetString");
981         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
982         if (qglGetString == NULL)
983         {
984                 VID_Shutdown();
985                 Con_Printf("glGetString not found\n");
986                 return false;
987         }
988         gl_renderer = qglGetString(GL_RENDERER);
989         gl_vendor = qglGetString(GL_VENDOR);
990         gl_version = qglGetString(GL_VERSION);
991         gl_extensions = qglGetString(GL_EXTENSIONS);
992         gl_platform = "WGL";
993         gl_platformextensions = "";
994
995         if (qwglGetExtensionsStringARB)
996                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
997
998         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
999         ReleaseDC(mainwindow, hdc);
1000
1001         GL_Init ();
1002
1003         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1004         if (strncasecmp(gl_vendor,"ATI",3)==0)
1005         {
1006                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1007                         isRagePro = true;
1008         }
1009         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1010                 isG200 = true;
1011
1012         //vid_menudrawfn = VID_MenuDraw;
1013         //vid_menukeyfn = VID_MenuKey;
1014         vid_hidden = false;
1015         vid_initialized = true;
1016
1017         IN_StartupMouse ();
1018         IN_StartupJoystick ();
1019
1020         return true;
1021 }
1022
1023 static void IN_Shutdown(void);
1024 void VID_Shutdown (void)
1025 {
1026         HGLRC hRC = 0;
1027         HDC hDC = 0;
1028
1029         vid_initialized = false;
1030         IN_Shutdown();
1031         if (qwglGetCurrentContext)
1032                 hRC = qwglGetCurrentContext();
1033         if (qwglGetCurrentDC)
1034                 hDC = qwglGetCurrentDC();
1035         if (qwglMakeCurrent)
1036                 qwglMakeCurrent(NULL, NULL);
1037         if (hRC && qwglDeleteContext)
1038                 qwglDeleteContext(hRC);
1039         // close the library before we get rid of the window
1040         GL_CloseLibrary();
1041         if (hDC && mainwindow)
1042                 ReleaseDC(mainwindow, hDC);
1043         if (vid_isfullscreen)
1044                 ChangeDisplaySettings (NULL, 0);
1045         vid_isfullscreen = false;
1046         AppActivate(false, false);
1047         VID_RestoreSystemGamma();
1048         if (mainwindow)
1049                 DestroyWindow(mainwindow);
1050         mainwindow = 0;
1051 }
1052
1053
1054 /*
1055 ===========
1056 IN_ShowMouse
1057 ===========
1058 */
1059 void IN_ShowMouse (void)
1060 {
1061         if (!mouseshowtoggle)
1062         {
1063                 ShowCursor (true);
1064                 mouseshowtoggle = 1;
1065         }
1066 }
1067
1068
1069 /*
1070 ===========
1071 IN_HideMouse
1072 ===========
1073 */
1074 void IN_HideMouse (void)
1075 {
1076         if (mouseshowtoggle)
1077         {
1078                 ShowCursor (false);
1079                 mouseshowtoggle = 0;
1080         }
1081 }
1082
1083
1084 /*
1085 ===========
1086 IN_ActivateMouse
1087 ===========
1088 */
1089 void IN_ActivateMouse (void)
1090 {
1091
1092         mouseactivatetoggle = true;
1093
1094         if (mouseinitialized)
1095         {
1096                 if (dinput)
1097                 {
1098                         if (g_pMouse)
1099                         {
1100                                 if (!dinput_acquired)
1101                                 {
1102                                         IDirectInputDevice_Acquire(g_pMouse);
1103                                         dinput_acquired = true;
1104                                 }
1105                         }
1106                         else
1107                         {
1108                                 return;
1109                         }
1110                 }
1111                 else
1112                 {
1113                         RECT window_rect;
1114                         window_rect.left = window_x;
1115                         window_rect.top = window_y;
1116                         window_rect.right = window_x + window_width;
1117                         window_rect.bottom = window_y + window_height;
1118
1119                         if (mouseparmsvalid)
1120                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1121
1122                         SetCursorPos (window_center_x, window_center_y);
1123                         SetCapture (mainwindow);
1124                         ClipCursor (&window_rect);
1125                 }
1126
1127                 mouseactive = true;
1128         }
1129 }
1130
1131
1132 /*
1133 ===========
1134 IN_DeactivateMouse
1135 ===========
1136 */
1137 void IN_DeactivateMouse (void)
1138 {
1139
1140         mouseactivatetoggle = false;
1141
1142         if (mouseinitialized)
1143         {
1144                 if (dinput)
1145                 {
1146                         if (g_pMouse)
1147                         {
1148                                 if (dinput_acquired)
1149                                 {
1150                                         IDirectInputDevice_Unacquire(g_pMouse);
1151                                         dinput_acquired = false;
1152                                 }
1153                         }
1154                 }
1155                 else
1156                 {
1157                         if (restore_spi)
1158                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1159
1160                         ClipCursor (NULL);
1161                         ReleaseCapture ();
1162                 }
1163
1164                 mouseactive = false;
1165         }
1166 }
1167
1168
1169 /*
1170 ===========
1171 IN_InitDInput
1172 ===========
1173 */
1174 qboolean IN_InitDInput (void)
1175 {
1176     HRESULT             hr;
1177         DIPROPDWORD     dipdw = {
1178                 {
1179                         sizeof(DIPROPDWORD),        // diph.dwSize
1180                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1181                         0,                          // diph.dwObj
1182                         DIPH_DEVICE,                // diph.dwHow
1183                 },
1184                 DINPUT_BUFFERSIZE,              // dwData
1185         };
1186
1187         if (!hInstDI)
1188         {
1189                 hInstDI = LoadLibrary("dinput.dll");
1190                 
1191                 if (hInstDI == NULL)
1192                 {
1193                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1194                         return false;
1195                 }
1196         }
1197
1198         if (!pDirectInputCreate)
1199         {
1200                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1201
1202                 if (!pDirectInputCreate)
1203                 {
1204                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1205                         return false;
1206                 }
1207         }
1208
1209 // register with DirectInput and get an IDirectInput to play with.
1210         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1211
1212         if (FAILED(hr))
1213         {
1214                 return false;
1215         }
1216
1217 // obtain an interface to the system mouse device.
1218         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1219
1220         if (FAILED(hr))
1221         {
1222                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1223                 return false;
1224         }
1225
1226 // set the data format to "mouse format".
1227         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1228
1229         if (FAILED(hr))
1230         {
1231                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1232                 return false;
1233         }
1234
1235 // set the cooperativity level.
1236         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1237                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1238
1239         if (FAILED(hr))
1240         {
1241                 Con_SafePrintf ("Couldn't set DI coop level\n");
1242                 return false;
1243         }
1244
1245
1246 // set the buffer size to DINPUT_BUFFERSIZE elements.
1247 // the buffer size is a DWORD property associated with the device
1248         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1249
1250         if (FAILED(hr))
1251         {
1252                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1253                 return false;
1254         }
1255
1256         return true;
1257 }
1258
1259
1260 /*
1261 ===========
1262 IN_StartupMouse
1263 ===========
1264 */
1265 void IN_StartupMouse (void)
1266 {
1267         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe")) 
1268                 return;
1269
1270         mouseinitialized = true;
1271
1272         if (COM_CheckParm ("-dinput"))
1273         {
1274                 dinput = IN_InitDInput ();
1275
1276                 if (dinput)
1277                 {
1278                         Con_SafePrintf ("DirectInput initialized\n");
1279                 }
1280                 else
1281                 {
1282                         Con_SafePrintf ("DirectInput not initialized\n");
1283                 }
1284         }
1285
1286         if (!dinput)
1287         {
1288                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1289
1290                 if (mouseparmsvalid)
1291                 {
1292                         if ( COM_CheckParm ("-noforcemspd") ) 
1293                                 newmouseparms[2] = originalmouseparms[2];
1294
1295                         if ( COM_CheckParm ("-noforcemaccel") ) 
1296                         {
1297                                 newmouseparms[0] = originalmouseparms[0];
1298                                 newmouseparms[1] = originalmouseparms[1];
1299                         }
1300
1301                         if ( COM_CheckParm ("-noforcemparms") ) 
1302                         {
1303                                 newmouseparms[0] = originalmouseparms[0];
1304                                 newmouseparms[1] = originalmouseparms[1];
1305                                 newmouseparms[2] = originalmouseparms[2];
1306                         }
1307                 }
1308         }
1309
1310         mouse_buttons = 3;
1311
1312 // if a fullscreen video mode was set before the mouse was initialized,
1313 // set the mouse state appropriately
1314         if (mouseactivatetoggle)
1315                 IN_ActivateMouse ();
1316 }
1317
1318
1319 /*
1320 ===========
1321 IN_MouseEvent
1322 ===========
1323 */
1324 void IN_MouseEvent (int mstate)
1325 {
1326         int     i;
1327
1328         if (mouseactive && !dinput)
1329         {
1330         // perform button actions
1331                 for (i=0 ; i<mouse_buttons ; i++)
1332                 {
1333                         if ( (mstate & (1<<i)) &&
1334                                 !(mouse_oldbuttonstate & (1<<i)) )
1335                         {
1336                                 Key_Event (K_MOUSE1 + i, true);
1337                         }
1338
1339                         if ( !(mstate & (1<<i)) &&
1340                                 (mouse_oldbuttonstate & (1<<i)) )
1341                         {
1342                                 Key_Event (K_MOUSE1 + i, false);
1343                         }
1344                 }       
1345                         
1346                 mouse_oldbuttonstate = mstate;
1347         }
1348 }
1349
1350
1351 /*
1352 ===========
1353 IN_MouseMove
1354 ===========
1355 */
1356 void IN_MouseMove (usercmd_t *cmd)
1357 {
1358         int                                     i, mx, my;
1359         DIDEVICEOBJECTDATA      od;
1360         DWORD                           dwElements;
1361         HRESULT                         hr;
1362
1363         if (!mouseactive)
1364         {
1365                 GetCursorPos (&current_pos);
1366                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1367                 return;
1368         }
1369
1370         if (dinput)
1371         {
1372                 mx = 0;
1373                 my = 0;
1374
1375                 for (;;)
1376                 {
1377                         dwElements = 1;
1378
1379                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1380                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1381
1382                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1383                         {
1384                                 dinput_acquired = true;
1385                                 IDirectInputDevice_Acquire(g_pMouse);
1386                                 break;
1387                         }
1388
1389                         /* Unable to read data or no data available */
1390                         if (FAILED(hr) || dwElements == 0)
1391                                 break;
1392
1393                         /* Look at the element to see what happened */
1394
1395                         switch (od.dwOfs)
1396                         {
1397                                 case DIMOFS_X:
1398                                         mx += od.dwData;
1399                                         break;
1400
1401                                 case DIMOFS_Y:
1402                                         my += od.dwData;
1403                                         break;
1404
1405                                 case DIMOFS_BUTTON0:
1406                                         if (od.dwData & 0x80)
1407                                                 mstate_di |= 1;
1408                                         else
1409                                                 mstate_di &= ~1;
1410                                         break;
1411
1412                                 case DIMOFS_BUTTON1:
1413                                         if (od.dwData & 0x80)
1414                                                 mstate_di |= (1<<1);
1415                                         else
1416                                                 mstate_di &= ~(1<<1);
1417                                         break;
1418
1419                                 case DIMOFS_BUTTON2:
1420                                         if (od.dwData & 0x80)
1421                                                 mstate_di |= (1<<2);
1422                                         else
1423                                                 mstate_di &= ~(1<<2);
1424                                         break;
1425                         }
1426                 }
1427
1428         // perform button actions
1429                 for (i=0 ; i<mouse_buttons ; i++)
1430                 {
1431                         if ( (mstate_di & (1<<i)) &&
1432                                 !(mouse_oldbuttonstate & (1<<i)) )
1433                         {
1434                                 Key_Event (K_MOUSE1 + i, true);
1435                         }
1436
1437                         if ( !(mstate_di & (1<<i)) &&
1438                                 (mouse_oldbuttonstate & (1<<i)) )
1439                         {
1440                                 Key_Event (K_MOUSE1 + i, false);
1441                         }
1442                 }
1443
1444                 mouse_oldbuttonstate = mstate_di;
1445         }
1446         else
1447         {
1448                 GetCursorPos (&current_pos);
1449                 mx = current_pos.x - window_center_x + mx_accum;
1450                 my = current_pos.y - window_center_y + my_accum;
1451                 mx_accum = 0;
1452                 my_accum = 0;
1453         }
1454
1455         IN_Mouse(cmd, mx, my);
1456
1457         // if the mouse has moved, force it to the center, so there's room to move
1458         if (!dinput && (mx || my))
1459                 SetCursorPos (window_center_x, window_center_y);
1460 }
1461
1462
1463 /*
1464 ===========
1465 IN_Move
1466 ===========
1467 */
1468 void IN_Move (usercmd_t *cmd)
1469 {
1470         if (vid_activewindow && !vid_hidden)
1471         {
1472                 IN_MouseMove (cmd);
1473                 IN_JoyMove (cmd);
1474         }
1475 }
1476
1477
1478 /*
1479 ===========
1480 IN_Accumulate
1481 ===========
1482 */
1483 void IN_Accumulate (void)
1484 {
1485         if (mouseactive)
1486         {
1487                 if (!dinput)
1488                 {
1489                         GetCursorPos (&current_pos);
1490
1491                         mx_accum += current_pos.x - window_center_x;
1492                         my_accum += current_pos.y - window_center_y;
1493
1494                 // force the mouse to the center, so there's room to move
1495                         SetCursorPos (window_center_x, window_center_y);
1496                 }
1497         }
1498 }
1499
1500
1501 /*
1502 ===================
1503 IN_ClearStates
1504 ===================
1505 */
1506 void IN_ClearStates (void)
1507 {
1508         if (mouseactive)
1509         {
1510                 mx_accum = 0;
1511                 my_accum = 0;
1512                 mouse_oldbuttonstate = 0;
1513         }
1514 }
1515
1516
1517 /* 
1518 =============== 
1519 IN_StartupJoystick 
1520 ===============
1521 */  
1522 void IN_StartupJoystick (void) 
1523 {
1524         int                     numdevs;
1525         JOYCAPS         jc;
1526         MMRESULT        mmr;
1527         mmr = 0;
1528  
1529         // assume no joystick
1530         joy_avail = false; 
1531
1532         // abort startup if user requests no joystick
1533         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe")) 
1534                 return; 
1535  
1536         // verify joystick driver is present
1537         if ((numdevs = joyGetNumDevs ()) == 0)
1538         {
1539                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1540                 return;
1541         }
1542
1543         // cycle through the joystick ids for the first valid one
1544         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1545         {
1546                 memset (&ji, 0, sizeof(ji));
1547                 ji.dwSize = sizeof(ji);
1548                 ji.dwFlags = JOY_RETURNCENTERED;
1549
1550                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1551                         break;
1552         } 
1553
1554         // abort startup if we didn't find a valid joystick
1555         if (mmr != JOYERR_NOERROR)
1556         {
1557                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1558                 return;
1559         }
1560
1561         // get the capabilities of the selected joystick
1562         // abort startup if command fails
1563         memset (&jc, 0, sizeof(jc));
1564         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1565         {
1566                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr); 
1567                 return;
1568         }
1569
1570         // save the joystick's number of buttons and POV status
1571         joy_numbuttons = jc.wNumButtons;
1572         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1573
1574         // old button and POV states default to no buttons pressed
1575         joy_oldbuttonstate = joy_oldpovstate = 0;
1576
1577         // mark the joystick as available and advanced initialization not completed
1578         // this is needed as cvars are not available during initialization
1579
1580         joy_avail = true; 
1581         joy_advancedinit = false;
1582
1583         Con_Printf ("\njoystick detected\n\n"); 
1584 }
1585
1586
1587 /*
1588 ===========
1589 RawValuePointer
1590 ===========
1591 */
1592 PDWORD RawValuePointer (int axis)
1593 {
1594         switch (axis)
1595         {
1596         case JOY_AXIS_X:
1597                 return &ji.dwXpos;
1598         case JOY_AXIS_Y:
1599                 return &ji.dwYpos;
1600         case JOY_AXIS_Z:
1601                 return &ji.dwZpos;
1602         case JOY_AXIS_R:
1603                 return &ji.dwRpos;
1604         case JOY_AXIS_U:
1605                 return &ji.dwUpos;
1606         case JOY_AXIS_V:
1607                 return &ji.dwVpos;
1608         }
1609         return NULL; // LordHavoc: hush compiler warning
1610 }
1611
1612
1613 /*
1614 ===========
1615 Joy_AdvancedUpdate_f
1616 ===========
1617 */
1618 void Joy_AdvancedUpdate_f (void)
1619 {
1620
1621         // called once by IN_ReadJoystick and by user whenever an update is needed
1622         // cvars are now available
1623         int     i;
1624         DWORD dwTemp;
1625
1626         // initialize all the maps
1627         for (i = 0; i < JOY_MAX_AXES; i++)
1628         {
1629                 dwAxisMap[i] = AxisNada;
1630                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1631                 pdwRawValue[i] = RawValuePointer(i);
1632         }
1633
1634         if( joy_advanced.integer == 0)
1635         {
1636                 // default joystick initialization
1637                 // 2 axes only with joystick control
1638                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1639                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1640                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1641                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1642         }
1643         else
1644         {
1645                 if (strcmp (joy_name.string, "joystick") != 0)
1646                 {
1647                         // notify user of advanced controller
1648                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1649                 }
1650
1651                 // advanced initialization here
1652                 // data supplied by user via joy_axisn cvars
1653                 dwTemp = (DWORD) joy_advaxisx.value;
1654                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1655                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1656                 dwTemp = (DWORD) joy_advaxisy.value;
1657                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1658                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1659                 dwTemp = (DWORD) joy_advaxisz.value;
1660                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1661                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1662                 dwTemp = (DWORD) joy_advaxisr.value;
1663                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1664                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1665                 dwTemp = (DWORD) joy_advaxisu.value;
1666                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1667                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1668                 dwTemp = (DWORD) joy_advaxisv.value;
1669                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1670                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1671         }
1672
1673         // compute the axes to collect from DirectInput
1674         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1675         for (i = 0; i < JOY_MAX_AXES; i++)
1676         {
1677                 if (dwAxisMap[i] != AxisNada)
1678                 {
1679                         joy_flags |= dwAxisFlags[i];
1680                 }
1681         }
1682 }
1683
1684
1685 /*
1686 ===========
1687 IN_Commands
1688 ===========
1689 */
1690 void IN_Commands (void)
1691 {
1692         int             i, key_index;
1693         DWORD   buttonstate, povstate;
1694
1695         if (!joy_avail)
1696         {
1697                 return;
1698         }
1699
1700
1701         // loop through the joystick buttons
1702         // key a joystick event or auxillary event for higher number buttons for each state change
1703         buttonstate = ji.dwButtons;
1704         for (i=0 ; i < (int) joy_numbuttons ; i++)
1705         {
1706                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1707                 {
1708                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1709                         Key_Event (key_index + i, true);
1710                 }
1711
1712                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1713                 {
1714                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1715                         Key_Event (key_index + i, false);
1716                 }
1717         }
1718         joy_oldbuttonstate = buttonstate;
1719
1720         if (joy_haspov)
1721         {
1722                 // convert POV information into 4 bits of state information
1723                 // this avoids any potential problems related to moving from one
1724                 // direction to another without going through the center position
1725                 povstate = 0;
1726                 if(ji.dwPOV != JOY_POVCENTERED)
1727                 {
1728                         if (ji.dwPOV == JOY_POVFORWARD)
1729                                 povstate |= 0x01;
1730                         if (ji.dwPOV == JOY_POVRIGHT)
1731                                 povstate |= 0x02;
1732                         if (ji.dwPOV == JOY_POVBACKWARD)
1733                                 povstate |= 0x04;
1734                         if (ji.dwPOV == JOY_POVLEFT)
1735                                 povstate |= 0x08;
1736                 }
1737                 // determine which bits have changed and key an auxillary event for each change
1738                 for (i=0 ; i < 4 ; i++)
1739                 {
1740                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1741                         {
1742                                 Key_Event (K_AUX29 + i, true);
1743                         }
1744
1745                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1746                         {
1747                                 Key_Event (K_AUX29 + i, false);
1748                         }
1749                 }
1750                 joy_oldpovstate = povstate;
1751         }
1752 }
1753
1754
1755 /* 
1756 =============== 
1757 IN_ReadJoystick
1758 =============== 
1759 */  
1760 qboolean IN_ReadJoystick (void)
1761 {
1762
1763         memset (&ji, 0, sizeof(ji));
1764         ji.dwSize = sizeof(ji);
1765         ji.dwFlags = joy_flags;
1766
1767         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1768         {
1769                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1770                 // rather than having 32768 be the zero point, they have the zero point at 32668
1771                 // go figure -- anyway, now we get the full resolution out of the device
1772                 if (joy_wwhack1.integer != 0.0)
1773                 {
1774                         ji.dwUpos += 100;
1775                 }
1776                 return true;
1777         }
1778         else
1779         {
1780                 // read error occurred
1781                 // turning off the joystick seems too harsh for 1 read error,
1782                 // but what should be done?
1783                 return false;
1784         }
1785 }
1786
1787
1788 /*
1789 ===========
1790 IN_JoyMove
1791 ===========
1792 */
1793 void IN_JoyMove (usercmd_t *cmd)
1794 {
1795         float   speed, aspeed;
1796         float   fAxisValue, fTemp;
1797         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1798
1799         // complete initialization if first time in
1800         // this is needed as cvars are not available at initialization time
1801         if( joy_advancedinit != true )
1802         {
1803                 Joy_AdvancedUpdate_f();
1804                 joy_advancedinit = true;
1805         }
1806
1807         // verify joystick is available and that the user wants to use it
1808         if (!joy_avail || !in_joystick.integer)
1809         {
1810                 return; 
1811         }
1812
1813         // collect the joystick data, if possible
1814         if (IN_ReadJoystick () != true)
1815         {
1816                 return;
1817         }
1818
1819         if (in_speed.state & 1)
1820                 speed = cl_movespeedkey.value;
1821         else
1822                 speed = 1;
1823         // LordHavoc: viewzoom affects sensitivity for sniping
1824         aspeed = speed * host_realframetime * cl.viewzoom;
1825
1826         // loop through the axes
1827         for (i = 0; i < JOY_MAX_AXES; i++)
1828         {
1829                 // get the floating point zero-centered, potentially-inverted data for the current axis
1830                 fAxisValue = (float) *pdwRawValue[i];
1831                 // move centerpoint to zero
1832                 fAxisValue -= 32768.0;
1833
1834                 if (joy_wwhack2.integer != 0.0)
1835                 {
1836                         if (dwAxisMap[i] == AxisTurn)
1837                         {
1838                                 // this is a special formula for the Logitech WingMan Warrior
1839                                 // y=ax^b; where a = 300 and b = 1.3
1840                                 // also x values are in increments of 800 (so this is factored out)
1841                                 // then bounds check result to level out excessively high spin rates
1842                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1843                                 if (fTemp > 14000.0)
1844                                         fTemp = 14000.0;
1845                                 // restore direction information
1846                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1847                         }
1848                 }
1849
1850                 // convert range from -32768..32767 to -1..1 
1851                 fAxisValue /= 32768.0;
1852
1853                 switch (dwAxisMap[i])
1854                 {
1855                 case AxisForward:
1856                         if ((joy_advanced.integer == 0) && mouselook)
1857                         {
1858                                 // user wants forward control to become look control
1859                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1860                                 {               
1861                                         // if mouse invert is on, invert the joystick pitch value
1862                                         // only absolute control support here (joy_advanced is false)
1863                                         if (m_pitch.value < 0.0)
1864                                         {
1865                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1866                                         }
1867                                         else
1868                                         {
1869                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1870                                         }
1871                                         V_StopPitchDrift();
1872                                 }
1873                                 else
1874                                 {
1875                                         // no pitch movement
1876                                         // disable pitch return-to-center unless requested by user
1877                                         // *** this code can be removed when the lookspring bug is fixed
1878                                         // *** the bug always has the lookspring feature on
1879                                         if(lookspring.value == 0.0)
1880                                                 V_StopPitchDrift();
1881                                 }
1882                         }
1883                         else
1884                         {
1885                                 // user wants forward control to be forward control
1886                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1887                                 {
1888                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1889                                 }
1890                         }
1891                         break;
1892
1893                 case AxisSide:
1894                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1895                         {
1896                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1897                         }
1898                         break;
1899
1900                 case AxisTurn:
1901                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1902                         {
1903                                 // user wants turn control to become side control
1904                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1905                                 {
1906                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1907                                 }
1908                         }
1909                         else
1910                         {
1911                                 // user wants turn control to be turn control
1912                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1913                                 {
1914                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1915                                         {
1916                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1917                                         }
1918                                         else
1919                                         {
1920                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1921                                         }
1922
1923                                 }
1924                         }
1925                         break;
1926
1927                 case AxisLook:
1928                         if (mouselook)
1929                         {
1930                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1931                                 {
1932                                         // pitch movement detected and pitch movement desired by user
1933                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1934                                         {
1935                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1936                                         }
1937                                         else
1938                                         {
1939                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1940                                         }
1941                                         V_StopPitchDrift();
1942                                 }
1943                                 else
1944                                 {
1945                                         // no pitch movement
1946                                         // disable pitch return-to-center unless requested by user
1947                                         // *** this code can be removed when the lookspring bug is fixed
1948                                         // *** the bug always has the lookspring feature on
1949                                         if(lookspring.integer == 0)
1950                                                 V_StopPitchDrift();
1951                                 }
1952                         }
1953                         break;
1954
1955                 default:
1956                         break;
1957                 }
1958         }
1959 }
1960
1961 static void IN_Init(void)
1962 {
1963         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1964
1965         // joystick variables
1966         Cvar_RegisterVariable (&in_joystick);
1967         Cvar_RegisterVariable (&joy_name);
1968         Cvar_RegisterVariable (&joy_advanced);
1969         Cvar_RegisterVariable (&joy_advaxisx);
1970         Cvar_RegisterVariable (&joy_advaxisy);
1971         Cvar_RegisterVariable (&joy_advaxisz);
1972         Cvar_RegisterVariable (&joy_advaxisr);
1973         Cvar_RegisterVariable (&joy_advaxisu);
1974         Cvar_RegisterVariable (&joy_advaxisv);
1975         Cvar_RegisterVariable (&joy_forwardthreshold);
1976         Cvar_RegisterVariable (&joy_sidethreshold);
1977         Cvar_RegisterVariable (&joy_pitchthreshold);
1978         Cvar_RegisterVariable (&joy_yawthreshold);
1979         Cvar_RegisterVariable (&joy_forwardsensitivity);
1980         Cvar_RegisterVariable (&joy_sidesensitivity);
1981         Cvar_RegisterVariable (&joy_pitchsensitivity);
1982         Cvar_RegisterVariable (&joy_yawsensitivity);
1983         Cvar_RegisterVariable (&joy_wwhack1);
1984         Cvar_RegisterVariable (&joy_wwhack2);
1985         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1986 }
1987
1988 static void IN_Shutdown(void)
1989 {
1990         IN_DeactivateMouse ();
1991         IN_ShowMouse ();
1992
1993         if (g_pMouse)
1994                 IDirectInputDevice_Release(g_pMouse);
1995         g_pMouse = NULL;
1996
1997         if (g_pdi)
1998                 IDirectInput_Release(g_pdi);
1999         g_pdi = NULL;
2000 }