fixed some dynamic lighting bugs related to glowing self
[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 is enabled, ask for alpha too
817         if (stencil)
818         {
819                 pfd.cStencilBits = 8;
820                 pfd.cAlphaBits = 8;
821         }
822         else
823         {
824                 pfd.cStencilBits = 0;
825                 pfd.cAlphaBits = 0;
826         }
827
828         gldrivername = "opengl32.dll";
829         i = COM_CheckParm("-gl_driver");
830         if (i && i < com_argc - 1)
831                 gldrivername = com_argv[i + 1];
832         if (!GL_OpenLibrary(gldrivername))
833         {
834                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
835                 return false;
836         }
837
838         memset(&gdevmode, 0, sizeof(gdevmode));
839
840         VID_GetSystemGamma();
841
842         vid_isfullscreen = false;
843         if (fullscreen)
844         {
845                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
846                 gdevmode.dmBitsPerPel = bpp;
847                 gdevmode.dmPelsWidth = width;
848                 gdevmode.dmPelsHeight = height;
849                 gdevmode.dmSize = sizeof (gdevmode);
850                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
851                 {
852                         VID_Shutdown();
853                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
854                         return false;
855                 }
856
857                 vid_isfullscreen = true;
858                 WindowStyle = WS_POPUP;
859                 ExWindowStyle = 0;
860         }
861         else
862         {
863                 hdc = GetDC (NULL);
864                 i = GetDeviceCaps(hdc, RASTERCAPS);
865                 ReleaseDC (NULL, hdc);
866                 if (i & RC_PALETTE)
867                 {
868                         VID_Shutdown();
869                         Con_Printf ("Can't run in non-RGB mode\n");
870                         return false;
871                 }
872
873                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
874                 ExWindowStyle = 0;
875         }
876
877         rect.top = 0;
878         rect.left = 0;
879         rect.right = width;
880         rect.bottom = height;
881         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
882
883         if (fullscreen)
884         {
885                 CenterX = 0;
886                 CenterY = 0;
887         }
888         else
889         {
890                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
891                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
892         }
893         CenterX = max(0, CenterX);
894         CenterY = max(0, CenterY);
895
896         // x and y may be changed by WM_MOVE messages
897         window_x = CenterX;
898         window_y = CenterY;
899         window_width = width;
900         window_height = height;
901         rect.left += CenterX;
902         rect.right += CenterX;
903         rect.top += CenterY;
904         rect.bottom += CenterY;
905
906         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
907         if (!mainwindow)
908         {
909                 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);
910                 VID_Shutdown();
911                 return false;
912         }
913
914         /*
915         if (!fullscreen)
916                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
917         */
918
919         ShowWindow (mainwindow, SW_SHOWDEFAULT);
920         UpdateWindow (mainwindow);
921
922         SendMessage (mainwindow, WM_SETICON, (WPARAM)true, (LPARAM)hIcon);
923         SendMessage (mainwindow, WM_SETICON, (WPARAM)false, (LPARAM)hIcon);
924
925         VID_UpdateWindowStatus ();
926
927         // now we try to make sure we get the focus on the mode switch, because
928         // sometimes in some systems we don't.  We grab the foreground, then
929         // finish setting up, pump all our messages, and sleep for a little while
930         // to let messages finish bouncing around the system, then we put
931         // ourselves at the top of the z order, then grab the foreground again,
932         // Who knows if it helps, but it probably doesn't hurt
933         SetForegroundWindow (mainwindow);
934
935         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
936         {
937                 TranslateMessage (&msg);
938                 DispatchMessage (&msg);
939         }
940
941         Sleep (100);
942
943         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
944
945         SetForegroundWindow (mainwindow);
946
947         // fix the leftover Alt from any Alt-Tab or the like that switched us away
948         ClearAllStates ();
949         
950         hdc = GetDC(mainwindow);
951
952         if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
953         {
954                 VID_Shutdown();
955                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
956                 return false;
957         }
958
959         if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
960         {
961                 VID_Shutdown();
962                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
963                 return false;
964         }
965
966         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
967         {
968                 VID_Shutdown();
969                 Con_Printf("wgl functions not found\n");
970                 return false;
971         }
972
973         baseRC = qwglCreateContext(hdc);
974         if (!baseRC)
975         {
976                 VID_Shutdown();
977                 Con_Printf("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
978                 return false;
979         }
980         if (!qwglMakeCurrent(hdc, baseRC))
981         {
982                 VID_Shutdown();
983                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
984                 return false;
985         }
986
987         qglGetString = GL_GetProcAddress("glGetString");
988         qwglGetExtensionsStringARB = GL_GetProcAddress("wglGetExtensionsStringARB");
989         if (qglGetString == NULL)
990         {
991                 VID_Shutdown();
992                 Con_Printf("glGetString not found\n");
993                 return false;
994         }
995         gl_renderer = qglGetString(GL_RENDERER);
996         gl_vendor = qglGetString(GL_VENDOR);
997         gl_version = qglGetString(GL_VERSION);
998         gl_extensions = qglGetString(GL_EXTENSIONS);
999         gl_platform = "WGL";
1000         gl_platformextensions = "";
1001
1002         if (qwglGetExtensionsStringARB)
1003                 gl_platformextensions = qwglGetExtensionsStringARB(hdc);
1004
1005         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, NULL, false);
1006         ReleaseDC(mainwindow, hdc);
1007
1008         GL_Init ();
1009
1010         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
1011         if (strncasecmp(gl_vendor,"ATI",3)==0)
1012         {
1013                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
1014                         isRagePro = true;
1015         }
1016         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
1017                 isG200 = true;
1018
1019         //vid_menudrawfn = VID_MenuDraw;
1020         //vid_menukeyfn = VID_MenuKey;
1021         vid_hidden = false;
1022         vid_initialized = true;
1023
1024         IN_StartupMouse ();
1025         IN_StartupJoystick ();
1026
1027         return true;
1028 }
1029
1030 static void IN_Shutdown(void);
1031 void VID_Shutdown (void)
1032 {
1033         HGLRC hRC = 0;
1034         HDC hDC = 0;
1035
1036         vid_initialized = false;
1037         IN_Shutdown();
1038         if (qwglGetCurrentContext)
1039                 hRC = qwglGetCurrentContext();
1040         if (qwglGetCurrentDC)
1041                 hDC = qwglGetCurrentDC();
1042         if (qwglMakeCurrent)
1043                 qwglMakeCurrent(NULL, NULL);
1044         if (hRC && qwglDeleteContext)
1045                 qwglDeleteContext(hRC);
1046         // close the library before we get rid of the window
1047         GL_CloseLibrary();
1048         if (hDC && mainwindow)
1049                 ReleaseDC(mainwindow, hDC);
1050         if (vid_isfullscreen)
1051                 ChangeDisplaySettings (NULL, 0);
1052         vid_isfullscreen = false;
1053         AppActivate(false, false);
1054         VID_RestoreSystemGamma();
1055         if (mainwindow)
1056                 DestroyWindow(mainwindow);
1057         mainwindow = 0;
1058 }
1059
1060
1061 /*
1062 ===========
1063 IN_ShowMouse
1064 ===========
1065 */
1066 void IN_ShowMouse (void)
1067 {
1068         if (!mouseshowtoggle)
1069         {
1070                 ShowCursor (true);
1071                 mouseshowtoggle = 1;
1072         }
1073 }
1074
1075
1076 /*
1077 ===========
1078 IN_HideMouse
1079 ===========
1080 */
1081 void IN_HideMouse (void)
1082 {
1083         if (mouseshowtoggle)
1084         {
1085                 ShowCursor (false);
1086                 mouseshowtoggle = 0;
1087         }
1088 }
1089
1090
1091 /*
1092 ===========
1093 IN_ActivateMouse
1094 ===========
1095 */
1096 void IN_ActivateMouse (void)
1097 {
1098
1099         mouseactivatetoggle = true;
1100
1101         if (mouseinitialized)
1102         {
1103                 if (dinput)
1104                 {
1105                         if (g_pMouse)
1106                         {
1107                                 if (!dinput_acquired)
1108                                 {
1109                                         IDirectInputDevice_Acquire(g_pMouse);
1110                                         dinput_acquired = true;
1111                                 }
1112                         }
1113                         else
1114                         {
1115                                 return;
1116                         }
1117                 }
1118                 else
1119                 {
1120                         RECT window_rect;
1121                         window_rect.left = window_x;
1122                         window_rect.top = window_y;
1123                         window_rect.right = window_x + window_width;
1124                         window_rect.bottom = window_y + window_height;
1125
1126                         if (mouseparmsvalid)
1127                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1128
1129                         SetCursorPos (window_center_x, window_center_y);
1130                         SetCapture (mainwindow);
1131                         ClipCursor (&window_rect);
1132                 }
1133
1134                 mouseactive = true;
1135         }
1136 }
1137
1138
1139 /*
1140 ===========
1141 IN_DeactivateMouse
1142 ===========
1143 */
1144 void IN_DeactivateMouse (void)
1145 {
1146
1147         mouseactivatetoggle = false;
1148
1149         if (mouseinitialized)
1150         {
1151                 if (dinput)
1152                 {
1153                         if (g_pMouse)
1154                         {
1155                                 if (dinput_acquired)
1156                                 {
1157                                         IDirectInputDevice_Unacquire(g_pMouse);
1158                                         dinput_acquired = false;
1159                                 }
1160                         }
1161                 }
1162                 else
1163                 {
1164                         if (restore_spi)
1165                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1166
1167                         ClipCursor (NULL);
1168                         ReleaseCapture ();
1169                 }
1170
1171                 mouseactive = false;
1172         }
1173 }
1174
1175
1176 /*
1177 ===========
1178 IN_InitDInput
1179 ===========
1180 */
1181 qboolean IN_InitDInput (void)
1182 {
1183     HRESULT             hr;
1184         DIPROPDWORD     dipdw = {
1185                 {
1186                         sizeof(DIPROPDWORD),        // diph.dwSize
1187                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1188                         0,                          // diph.dwObj
1189                         DIPH_DEVICE,                // diph.dwHow
1190                 },
1191                 DINPUT_BUFFERSIZE,              // dwData
1192         };
1193
1194         if (!hInstDI)
1195         {
1196                 hInstDI = LoadLibrary("dinput.dll");
1197                 
1198                 if (hInstDI == NULL)
1199                 {
1200                         Con_SafePrintf ("Couldn't load dinput.dll\n");
1201                         return false;
1202                 }
1203         }
1204
1205         if (!pDirectInputCreate)
1206         {
1207                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1208
1209                 if (!pDirectInputCreate)
1210                 {
1211                         Con_SafePrintf ("Couldn't get DI proc addr\n");
1212                         return false;
1213                 }
1214         }
1215
1216 // register with DirectInput and get an IDirectInput to play with.
1217         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1218
1219         if (FAILED(hr))
1220         {
1221                 return false;
1222         }
1223
1224 // obtain an interface to the system mouse device.
1225         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1226
1227         if (FAILED(hr))
1228         {
1229                 Con_SafePrintf ("Couldn't open DI mouse device\n");
1230                 return false;
1231         }
1232
1233 // set the data format to "mouse format".
1234         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
1235
1236         if (FAILED(hr))
1237         {
1238                 Con_SafePrintf ("Couldn't set DI mouse format\n");
1239                 return false;
1240         }
1241
1242 // set the cooperativity level.
1243         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1244                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1245
1246         if (FAILED(hr))
1247         {
1248                 Con_SafePrintf ("Couldn't set DI coop level\n");
1249                 return false;
1250         }
1251
1252
1253 // set the buffer size to DINPUT_BUFFERSIZE elements.
1254 // the buffer size is a DWORD property associated with the device
1255         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1256
1257         if (FAILED(hr))
1258         {
1259                 Con_SafePrintf ("Couldn't set DI buffersize\n");
1260                 return false;
1261         }
1262
1263         return true;
1264 }
1265
1266
1267 /*
1268 ===========
1269 IN_StartupMouse
1270 ===========
1271 */
1272 void IN_StartupMouse (void)
1273 {
1274         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe")) 
1275                 return;
1276
1277         mouseinitialized = true;
1278
1279         if (COM_CheckParm ("-dinput"))
1280         {
1281                 dinput = IN_InitDInput ();
1282
1283                 if (dinput)
1284                 {
1285                         Con_SafePrintf ("DirectInput initialized\n");
1286                 }
1287                 else
1288                 {
1289                         Con_SafePrintf ("DirectInput not initialized\n");
1290                 }
1291         }
1292
1293         if (!dinput)
1294         {
1295                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
1296
1297                 if (mouseparmsvalid)
1298                 {
1299                         if ( COM_CheckParm ("-noforcemspd") ) 
1300                                 newmouseparms[2] = originalmouseparms[2];
1301
1302                         if ( COM_CheckParm ("-noforcemaccel") ) 
1303                         {
1304                                 newmouseparms[0] = originalmouseparms[0];
1305                                 newmouseparms[1] = originalmouseparms[1];
1306                         }
1307
1308                         if ( COM_CheckParm ("-noforcemparms") ) 
1309                         {
1310                                 newmouseparms[0] = originalmouseparms[0];
1311                                 newmouseparms[1] = originalmouseparms[1];
1312                                 newmouseparms[2] = originalmouseparms[2];
1313                         }
1314                 }
1315         }
1316
1317         mouse_buttons = 3;
1318
1319 // if a fullscreen video mode was set before the mouse was initialized,
1320 // set the mouse state appropriately
1321         if (mouseactivatetoggle)
1322                 IN_ActivateMouse ();
1323 }
1324
1325
1326 /*
1327 ===========
1328 IN_MouseEvent
1329 ===========
1330 */
1331 void IN_MouseEvent (int mstate)
1332 {
1333         int     i;
1334
1335         if (mouseactive && !dinput)
1336         {
1337         // perform button actions
1338                 for (i=0 ; i<mouse_buttons ; i++)
1339                 {
1340                         if ( (mstate & (1<<i)) &&
1341                                 !(mouse_oldbuttonstate & (1<<i)) )
1342                         {
1343                                 Key_Event (K_MOUSE1 + i, true);
1344                         }
1345
1346                         if ( !(mstate & (1<<i)) &&
1347                                 (mouse_oldbuttonstate & (1<<i)) )
1348                         {
1349                                 Key_Event (K_MOUSE1 + i, false);
1350                         }
1351                 }       
1352                         
1353                 mouse_oldbuttonstate = mstate;
1354         }
1355 }
1356
1357
1358 /*
1359 ===========
1360 IN_MouseMove
1361 ===========
1362 */
1363 void IN_MouseMove (usercmd_t *cmd)
1364 {
1365         int                                     i, mx, my;
1366         DIDEVICEOBJECTDATA      od;
1367         DWORD                           dwElements;
1368         HRESULT                         hr;
1369
1370         if (!mouseactive)
1371         {
1372                 GetCursorPos (&current_pos);
1373                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1374                 return;
1375         }
1376
1377         if (dinput)
1378         {
1379                 mx = 0;
1380                 my = 0;
1381
1382                 for (;;)
1383                 {
1384                         dwElements = 1;
1385
1386                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1387                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1388
1389                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1390                         {
1391                                 dinput_acquired = true;
1392                                 IDirectInputDevice_Acquire(g_pMouse);
1393                                 break;
1394                         }
1395
1396                         /* Unable to read data or no data available */
1397                         if (FAILED(hr) || dwElements == 0)
1398                                 break;
1399
1400                         /* Look at the element to see what happened */
1401
1402                         switch (od.dwOfs)
1403                         {
1404                                 case DIMOFS_X:
1405                                         mx += od.dwData;
1406                                         break;
1407
1408                                 case DIMOFS_Y:
1409                                         my += od.dwData;
1410                                         break;
1411
1412                                 case DIMOFS_BUTTON0:
1413                                         if (od.dwData & 0x80)
1414                                                 mstate_di |= 1;
1415                                         else
1416                                                 mstate_di &= ~1;
1417                                         break;
1418
1419                                 case DIMOFS_BUTTON1:
1420                                         if (od.dwData & 0x80)
1421                                                 mstate_di |= (1<<1);
1422                                         else
1423                                                 mstate_di &= ~(1<<1);
1424                                         break;
1425
1426                                 case DIMOFS_BUTTON2:
1427                                         if (od.dwData & 0x80)
1428                                                 mstate_di |= (1<<2);
1429                                         else
1430                                                 mstate_di &= ~(1<<2);
1431                                         break;
1432                         }
1433                 }
1434
1435         // perform button actions
1436                 for (i=0 ; i<mouse_buttons ; i++)
1437                 {
1438                         if ( (mstate_di & (1<<i)) &&
1439                                 !(mouse_oldbuttonstate & (1<<i)) )
1440                         {
1441                                 Key_Event (K_MOUSE1 + i, true);
1442                         }
1443
1444                         if ( !(mstate_di & (1<<i)) &&
1445                                 (mouse_oldbuttonstate & (1<<i)) )
1446                         {
1447                                 Key_Event (K_MOUSE1 + i, false);
1448                         }
1449                 }
1450
1451                 mouse_oldbuttonstate = mstate_di;
1452         }
1453         else
1454         {
1455                 GetCursorPos (&current_pos);
1456                 mx = current_pos.x - window_center_x + mx_accum;
1457                 my = current_pos.y - window_center_y + my_accum;
1458                 mx_accum = 0;
1459                 my_accum = 0;
1460         }
1461
1462         IN_Mouse(cmd, mx, my);
1463
1464         // if the mouse has moved, force it to the center, so there's room to move
1465         if (!dinput && (mx || my))
1466                 SetCursorPos (window_center_x, window_center_y);
1467 }
1468
1469
1470 /*
1471 ===========
1472 IN_Move
1473 ===========
1474 */
1475 void IN_Move (usercmd_t *cmd)
1476 {
1477         if (vid_activewindow && !vid_hidden)
1478         {
1479                 IN_MouseMove (cmd);
1480                 IN_JoyMove (cmd);
1481         }
1482 }
1483
1484
1485 /*
1486 ===========
1487 IN_Accumulate
1488 ===========
1489 */
1490 void IN_Accumulate (void)
1491 {
1492         if (mouseactive)
1493         {
1494                 if (!dinput)
1495                 {
1496                         GetCursorPos (&current_pos);
1497
1498                         mx_accum += current_pos.x - window_center_x;
1499                         my_accum += current_pos.y - window_center_y;
1500
1501                 // force the mouse to the center, so there's room to move
1502                         SetCursorPos (window_center_x, window_center_y);
1503                 }
1504         }
1505 }
1506
1507
1508 /*
1509 ===================
1510 IN_ClearStates
1511 ===================
1512 */
1513 void IN_ClearStates (void)
1514 {
1515         if (mouseactive)
1516         {
1517                 mx_accum = 0;
1518                 my_accum = 0;
1519                 mouse_oldbuttonstate = 0;
1520         }
1521 }
1522
1523
1524 /* 
1525 =============== 
1526 IN_StartupJoystick 
1527 ===============
1528 */  
1529 void IN_StartupJoystick (void) 
1530 {
1531         int                     numdevs;
1532         JOYCAPS         jc;
1533         MMRESULT        mmr;
1534         mmr = 0;
1535  
1536         // assume no joystick
1537         joy_avail = false; 
1538
1539         // abort startup if user requests no joystick
1540         if (COM_CheckParm ("-nojoy") || COM_CheckParm("-safe")) 
1541                 return; 
1542  
1543         // verify joystick driver is present
1544         if ((numdevs = joyGetNumDevs ()) == 0)
1545         {
1546                 Con_Printf ("\njoystick not found -- driver not present\n\n");
1547                 return;
1548         }
1549
1550         // cycle through the joystick ids for the first valid one
1551         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1552         {
1553                 memset (&ji, 0, sizeof(ji));
1554                 ji.dwSize = sizeof(ji);
1555                 ji.dwFlags = JOY_RETURNCENTERED;
1556
1557                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1558                         break;
1559         } 
1560
1561         // abort startup if we didn't find a valid joystick
1562         if (mmr != JOYERR_NOERROR)
1563         {
1564                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1565                 return;
1566         }
1567
1568         // get the capabilities of the selected joystick
1569         // abort startup if command fails
1570         memset (&jc, 0, sizeof(jc));
1571         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1572         {
1573                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr); 
1574                 return;
1575         }
1576
1577         // save the joystick's number of buttons and POV status
1578         joy_numbuttons = jc.wNumButtons;
1579         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1580
1581         // old button and POV states default to no buttons pressed
1582         joy_oldbuttonstate = joy_oldpovstate = 0;
1583
1584         // mark the joystick as available and advanced initialization not completed
1585         // this is needed as cvars are not available during initialization
1586
1587         joy_avail = true; 
1588         joy_advancedinit = false;
1589
1590         Con_Printf ("\njoystick detected\n\n"); 
1591 }
1592
1593
1594 /*
1595 ===========
1596 RawValuePointer
1597 ===========
1598 */
1599 PDWORD RawValuePointer (int axis)
1600 {
1601         switch (axis)
1602         {
1603         case JOY_AXIS_X:
1604                 return &ji.dwXpos;
1605         case JOY_AXIS_Y:
1606                 return &ji.dwYpos;
1607         case JOY_AXIS_Z:
1608                 return &ji.dwZpos;
1609         case JOY_AXIS_R:
1610                 return &ji.dwRpos;
1611         case JOY_AXIS_U:
1612                 return &ji.dwUpos;
1613         case JOY_AXIS_V:
1614                 return &ji.dwVpos;
1615         }
1616         return NULL; // LordHavoc: hush compiler warning
1617 }
1618
1619
1620 /*
1621 ===========
1622 Joy_AdvancedUpdate_f
1623 ===========
1624 */
1625 void Joy_AdvancedUpdate_f (void)
1626 {
1627
1628         // called once by IN_ReadJoystick and by user whenever an update is needed
1629         // cvars are now available
1630         int     i;
1631         DWORD dwTemp;
1632
1633         // initialize all the maps
1634         for (i = 0; i < JOY_MAX_AXES; i++)
1635         {
1636                 dwAxisMap[i] = AxisNada;
1637                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1638                 pdwRawValue[i] = RawValuePointer(i);
1639         }
1640
1641         if( joy_advanced.integer == 0)
1642         {
1643                 // default joystick initialization
1644                 // 2 axes only with joystick control
1645                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1646                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1647                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1648                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1649         }
1650         else
1651         {
1652                 if (strcmp (joy_name.string, "joystick") != 0)
1653                 {
1654                         // notify user of advanced controller
1655                         Con_Printf ("\n%s configured\n\n", joy_name.string);
1656                 }
1657
1658                 // advanced initialization here
1659                 // data supplied by user via joy_axisn cvars
1660                 dwTemp = (DWORD) joy_advaxisx.value;
1661                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1662                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1663                 dwTemp = (DWORD) joy_advaxisy.value;
1664                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1665                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1666                 dwTemp = (DWORD) joy_advaxisz.value;
1667                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1668                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1669                 dwTemp = (DWORD) joy_advaxisr.value;
1670                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1671                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1672                 dwTemp = (DWORD) joy_advaxisu.value;
1673                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1674                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1675                 dwTemp = (DWORD) joy_advaxisv.value;
1676                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1677                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1678         }
1679
1680         // compute the axes to collect from DirectInput
1681         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1682         for (i = 0; i < JOY_MAX_AXES; i++)
1683         {
1684                 if (dwAxisMap[i] != AxisNada)
1685                 {
1686                         joy_flags |= dwAxisFlags[i];
1687                 }
1688         }
1689 }
1690
1691
1692 /*
1693 ===========
1694 IN_Commands
1695 ===========
1696 */
1697 void IN_Commands (void)
1698 {
1699         int             i, key_index;
1700         DWORD   buttonstate, povstate;
1701
1702         if (!joy_avail)
1703         {
1704                 return;
1705         }
1706
1707
1708         // loop through the joystick buttons
1709         // key a joystick event or auxillary event for higher number buttons for each state change
1710         buttonstate = ji.dwButtons;
1711         for (i=0 ; i < (int) joy_numbuttons ; i++)
1712         {
1713                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1714                 {
1715                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1716                         Key_Event (key_index + i, true);
1717                 }
1718
1719                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1720                 {
1721                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
1722                         Key_Event (key_index + i, false);
1723                 }
1724         }
1725         joy_oldbuttonstate = buttonstate;
1726
1727         if (joy_haspov)
1728         {
1729                 // convert POV information into 4 bits of state information
1730                 // this avoids any potential problems related to moving from one
1731                 // direction to another without going through the center position
1732                 povstate = 0;
1733                 if(ji.dwPOV != JOY_POVCENTERED)
1734                 {
1735                         if (ji.dwPOV == JOY_POVFORWARD)
1736                                 povstate |= 0x01;
1737                         if (ji.dwPOV == JOY_POVRIGHT)
1738                                 povstate |= 0x02;
1739                         if (ji.dwPOV == JOY_POVBACKWARD)
1740                                 povstate |= 0x04;
1741                         if (ji.dwPOV == JOY_POVLEFT)
1742                                 povstate |= 0x08;
1743                 }
1744                 // determine which bits have changed and key an auxillary event for each change
1745                 for (i=0 ; i < 4 ; i++)
1746                 {
1747                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1748                         {
1749                                 Key_Event (K_AUX29 + i, true);
1750                         }
1751
1752                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1753                         {
1754                                 Key_Event (K_AUX29 + i, false);
1755                         }
1756                 }
1757                 joy_oldpovstate = povstate;
1758         }
1759 }
1760
1761
1762 /* 
1763 =============== 
1764 IN_ReadJoystick
1765 =============== 
1766 */  
1767 qboolean IN_ReadJoystick (void)
1768 {
1769
1770         memset (&ji, 0, sizeof(ji));
1771         ji.dwSize = sizeof(ji);
1772         ji.dwFlags = joy_flags;
1773
1774         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1775         {
1776                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1777                 // rather than having 32768 be the zero point, they have the zero point at 32668
1778                 // go figure -- anyway, now we get the full resolution out of the device
1779                 if (joy_wwhack1.integer != 0.0)
1780                 {
1781                         ji.dwUpos += 100;
1782                 }
1783                 return true;
1784         }
1785         else
1786         {
1787                 // read error occurred
1788                 // turning off the joystick seems too harsh for 1 read error,
1789                 // but what should be done?
1790                 return false;
1791         }
1792 }
1793
1794
1795 /*
1796 ===========
1797 IN_JoyMove
1798 ===========
1799 */
1800 void IN_JoyMove (usercmd_t *cmd)
1801 {
1802         float   speed, aspeed;
1803         float   fAxisValue, fTemp;
1804         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1805
1806         // complete initialization if first time in
1807         // this is needed as cvars are not available at initialization time
1808         if( joy_advancedinit != true )
1809         {
1810                 Joy_AdvancedUpdate_f();
1811                 joy_advancedinit = true;
1812         }
1813
1814         // verify joystick is available and that the user wants to use it
1815         if (!joy_avail || !in_joystick.integer)
1816         {
1817                 return; 
1818         }
1819
1820         // collect the joystick data, if possible
1821         if (IN_ReadJoystick () != true)
1822         {
1823                 return;
1824         }
1825
1826         if (in_speed.state & 1)
1827                 speed = cl_movespeedkey.value;
1828         else
1829                 speed = 1;
1830         // LordHavoc: viewzoom affects sensitivity for sniping
1831         aspeed = speed * host_realframetime * cl.viewzoom;
1832
1833         // loop through the axes
1834         for (i = 0; i < JOY_MAX_AXES; i++)
1835         {
1836                 // get the floating point zero-centered, potentially-inverted data for the current axis
1837                 fAxisValue = (float) *pdwRawValue[i];
1838                 // move centerpoint to zero
1839                 fAxisValue -= 32768.0;
1840
1841                 if (joy_wwhack2.integer != 0.0)
1842                 {
1843                         if (dwAxisMap[i] == AxisTurn)
1844                         {
1845                                 // this is a special formula for the Logitech WingMan Warrior
1846                                 // y=ax^b; where a = 300 and b = 1.3
1847                                 // also x values are in increments of 800 (so this is factored out)
1848                                 // then bounds check result to level out excessively high spin rates
1849                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1850                                 if (fTemp > 14000.0)
1851                                         fTemp = 14000.0;
1852                                 // restore direction information
1853                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1854                         }
1855                 }
1856
1857                 // convert range from -32768..32767 to -1..1 
1858                 fAxisValue /= 32768.0;
1859
1860                 switch (dwAxisMap[i])
1861                 {
1862                 case AxisForward:
1863                         if ((joy_advanced.integer == 0) && mouselook)
1864                         {
1865                                 // user wants forward control to become look control
1866                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1867                                 {               
1868                                         // if mouse invert is on, invert the joystick pitch value
1869                                         // only absolute control support here (joy_advanced is false)
1870                                         if (m_pitch.value < 0.0)
1871                                         {
1872                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1873                                         }
1874                                         else
1875                                         {
1876                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1877                                         }
1878                                         V_StopPitchDrift();
1879                                 }
1880                                 else
1881                                 {
1882                                         // no pitch movement
1883                                         // disable pitch return-to-center unless requested by user
1884                                         // *** this code can be removed when the lookspring bug is fixed
1885                                         // *** the bug always has the lookspring feature on
1886                                         if(lookspring.value == 0.0)
1887                                                 V_StopPitchDrift();
1888                                 }
1889                         }
1890                         else
1891                         {
1892                                 // user wants forward control to be forward control
1893                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1894                                 {
1895                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1896                                 }
1897                         }
1898                         break;
1899
1900                 case AxisSide:
1901                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1902                         {
1903                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1904                         }
1905                         break;
1906
1907                 case AxisTurn:
1908                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1909                         {
1910                                 // user wants turn control to become side control
1911                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1912                                 {
1913                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1914                                 }
1915                         }
1916                         else
1917                         {
1918                                 // user wants turn control to be turn control
1919                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1920                                 {
1921                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1922                                         {
1923                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1924                                         }
1925                                         else
1926                                         {
1927                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1928                                         }
1929
1930                                 }
1931                         }
1932                         break;
1933
1934                 case AxisLook:
1935                         if (mouselook)
1936                         {
1937                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1938                                 {
1939                                         // pitch movement detected and pitch movement desired by user
1940                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1941                                         {
1942                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1943                                         }
1944                                         else
1945                                         {
1946                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1947                                         }
1948                                         V_StopPitchDrift();
1949                                 }
1950                                 else
1951                                 {
1952                                         // no pitch movement
1953                                         // disable pitch return-to-center unless requested by user
1954                                         // *** this code can be removed when the lookspring bug is fixed
1955                                         // *** the bug always has the lookspring feature on
1956                                         if(lookspring.integer == 0)
1957                                                 V_StopPitchDrift();
1958                                 }
1959                         }
1960                         break;
1961
1962                 default:
1963                         break;
1964                 }
1965         }
1966 }
1967
1968 static void IN_Init(void)
1969 {
1970         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1971
1972         // joystick variables
1973         Cvar_RegisterVariable (&in_joystick);
1974         Cvar_RegisterVariable (&joy_name);
1975         Cvar_RegisterVariable (&joy_advanced);
1976         Cvar_RegisterVariable (&joy_advaxisx);
1977         Cvar_RegisterVariable (&joy_advaxisy);
1978         Cvar_RegisterVariable (&joy_advaxisz);
1979         Cvar_RegisterVariable (&joy_advaxisr);
1980         Cvar_RegisterVariable (&joy_advaxisu);
1981         Cvar_RegisterVariable (&joy_advaxisv);
1982         Cvar_RegisterVariable (&joy_forwardthreshold);
1983         Cvar_RegisterVariable (&joy_sidethreshold);
1984         Cvar_RegisterVariable (&joy_pitchthreshold);
1985         Cvar_RegisterVariable (&joy_yawthreshold);
1986         Cvar_RegisterVariable (&joy_forwardsensitivity);
1987         Cvar_RegisterVariable (&joy_sidesensitivity);
1988         Cvar_RegisterVariable (&joy_pitchsensitivity);
1989         Cvar_RegisterVariable (&joy_yawsensitivity);
1990         Cvar_RegisterVariable (&joy_wwhack1);
1991         Cvar_RegisterVariable (&joy_wwhack2);
1992         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
1993 }
1994
1995 static void IN_Shutdown(void)
1996 {
1997         IN_DeactivateMouse ();
1998         IN_ShowMouse ();
1999
2000         if (g_pMouse)
2001                 IDirectInputDevice_Release(g_pMouse);
2002         g_pMouse = NULL;
2003
2004         if (g_pdi)
2005                 IDirectInput_Release(g_pdi);
2006         g_pdi = NULL;
2007 }