rewrote memory system entirely (hunk, cache, and zone are gone, memory pools replaced...
[xonotic/darkplaces.git] / in_win.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 // in_win.c -- windows 95 mouse and joystick code
21 // 02/21/97 JCB Added extended DirectInput code to support external controllers.
22
23 #include "quakedef.h"
24 #include "winquake.h"
25 //#include "dosisms.h"
26
27 #include <dinput.h>
28
29 #define DINPUT_BUFFERSIZE           16
30 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
31
32 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
33         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
34
35 // mouse variables
36 cvar_t  m_filter = {CVAR_SAVE, "m_filter","0"};
37
38 int                     mouse_buttons;
39 int                     mouse_oldbuttonstate;
40 POINT           current_pos;
41 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
42
43 static qboolean restore_spi;
44 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
45
46 unsigned int uiWheelMessage;
47 qboolean        mouseactive;
48 qboolean                mouseinitialized;
49 static qboolean mouseparmsvalid, mouseactivatetoggle;
50 static qboolean mouseshowtoggle = 1;
51 static qboolean dinput_acquired;
52
53 static unsigned int             mstate_di;
54
55 // joystick defines and variables
56 // where should defines be moved?
57 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
58 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
59 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
60 #define JOY_AXIS_X                      0
61 #define JOY_AXIS_Y                      1
62 #define JOY_AXIS_Z                      2
63 #define JOY_AXIS_R                      3
64 #define JOY_AXIS_U                      4
65 #define JOY_AXIS_V                      5
66
67 enum _ControlList
68 {
69         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
70 };
71
72 DWORD   dwAxisFlags[JOY_MAX_AXES] =
73 {
74         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
75 };
76
77 DWORD   dwAxisMap[JOY_MAX_AXES];
78 DWORD   dwControlMap[JOY_MAX_AXES];
79 PDWORD  pdwRawValue[JOY_MAX_AXES];
80
81 // none of these cvars are saved over a session
82 // this means that advanced controller configuration needs to be executed
83 // each time.  this avoids any problems with getting back to a default usage
84 // or when changing from one controller to another.  this way at least something
85 // works.
86 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
87 cvar_t  joy_name = {0, "joyname", "joystick"};
88 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
89 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
90 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
91 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
92 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
93 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
94 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
95 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
96 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
97 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
98 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
99 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
100 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
101 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
102 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
103 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
104 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
105
106 qboolean        joy_avail, joy_advancedinit, joy_haspov;
107 DWORD           joy_oldbuttonstate, joy_oldpovstate;
108
109 int                     joy_id;
110 DWORD           joy_flags;
111 DWORD           joy_numbuttons;
112
113 static LPDIRECTINPUT            g_pdi;
114 static LPDIRECTINPUTDEVICE      g_pMouse;
115
116 static JOYINFOEX        ji;
117
118 static HINSTANCE hInstDI;
119
120 static qboolean dinput;
121
122 typedef struct MYDATA {
123         LONG  lX;                   // X axis goes here
124         LONG  lY;                   // Y axis goes here
125         LONG  lZ;                   // Z axis goes here
126         BYTE  bButtonA;             // One button goes here
127         BYTE  bButtonB;             // Another button goes here
128         BYTE  bButtonC;             // Another button goes here
129         BYTE  bButtonD;             // Another button goes here
130 } MYDATA;
131
132 static DIOBJECTDATAFORMAT rgodf[] = {
133   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
134   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
135   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
136   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
137   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
138   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
139   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
140 };
141
142 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
143
144 static DIDATAFORMAT     df = {
145         sizeof(DIDATAFORMAT),       // this structure
146         sizeof(DIOBJECTDATAFORMAT), // size of object data format
147         DIDF_RELAXIS,               // absolute axis coordinates
148         sizeof(MYDATA),             // device data size
149         NUM_OBJECTS,                // number of objects
150         rgodf,                      // and here they are
151 };
152
153 // forward-referenced functions
154 void IN_StartupJoystick (void);
155 void Joy_AdvancedUpdate_f (void);
156 void IN_JoyMove (usercmd_t *cmd);
157
158
159 /*
160 ===========
161 IN_UpdateClipCursor
162 ===========
163 */
164 void IN_UpdateClipCursor (void)
165 {
166
167         if (mouseinitialized && mouseactive && !dinput)
168         {
169                 ClipCursor (&window_rect);
170         }
171 }
172
173
174 /*
175 ===========
176 IN_ShowMouse
177 ===========
178 */
179 void IN_ShowMouse (void)
180 {
181         if (!mouseshowtoggle)
182         {
183                 ShowCursor (true);
184                 mouseshowtoggle = 1;
185         }
186 }
187
188
189 /*
190 ===========
191 IN_HideMouse
192 ===========
193 */
194 void IN_HideMouse (void)
195 {
196         if (mouseshowtoggle)
197         {
198                 ShowCursor (false);
199                 mouseshowtoggle = 0;
200         }
201 }
202
203
204 /*
205 ===========
206 IN_ActivateMouse
207 ===========
208 */
209 void IN_ActivateMouse (void)
210 {
211
212         mouseactivatetoggle = true;
213
214         if (mouseinitialized)
215         {
216                 if (dinput)
217                 {
218                         if (g_pMouse)
219                         {
220                                 if (!dinput_acquired)
221                                 {
222                                         IDirectInputDevice_Acquire(g_pMouse);
223                                         dinput_acquired = true;
224                                 }
225                         }
226                         else
227                         {
228                                 return;
229                         }
230                 }
231                 else
232                 {
233                         if (mouseparmsvalid)
234                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
235
236                         SetCursorPos (window_center_x, window_center_y);
237                         SetCapture (mainwindow);
238                         ClipCursor (&window_rect);
239                         
240                 }
241
242                 mouseactive = true;
243         }
244 }
245
246
247 /*
248 ===========
249 IN_DeactivateMouse
250 ===========
251 */
252 void IN_DeactivateMouse (void)
253 {
254
255         mouseactivatetoggle = false;
256
257         if (mouseinitialized)
258         {
259                 if (dinput)
260                 {
261                         if (g_pMouse)
262                         {
263                                 if (dinput_acquired)
264                                 {
265                                         IDirectInputDevice_Unacquire(g_pMouse);
266                                         dinput_acquired = false;
267                                 }
268                         }
269                 }
270                 else
271                 {
272                         if (restore_spi)
273                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
274
275                         ClipCursor (NULL);
276                         ReleaseCapture ();
277                 }
278
279                 mouseactive = false;
280         }
281 }
282
283
284 /*
285 ===========
286 IN_InitDInput
287 ===========
288 */
289 qboolean IN_InitDInput (void)
290 {
291     HRESULT             hr;
292         DIPROPDWORD     dipdw = {
293                 {
294                         sizeof(DIPROPDWORD),        // diph.dwSize
295                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
296                         0,                          // diph.dwObj
297                         DIPH_DEVICE,                // diph.dwHow
298                 },
299                 DINPUT_BUFFERSIZE,              // dwData
300         };
301
302         if (!hInstDI)
303         {
304                 hInstDI = LoadLibrary("dinput.dll");
305                 
306                 if (hInstDI == NULL)
307                 {
308                         Con_SafePrintf ("Couldn't load dinput.dll\n");
309                         return false;
310                 }
311         }
312
313         if (!pDirectInputCreate)
314         {
315                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
316
317                 if (!pDirectInputCreate)
318                 {
319                         Con_SafePrintf ("Couldn't get DI proc addr\n");
320                         return false;
321                 }
322         }
323
324 // register with DirectInput and get an IDirectInput to play with.
325         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
326
327         if (FAILED(hr))
328         {
329                 return false;
330         }
331
332 // obtain an interface to the system mouse device.
333         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
334
335         if (FAILED(hr))
336         {
337                 Con_SafePrintf ("Couldn't open DI mouse device\n");
338                 return false;
339         }
340
341 // set the data format to "mouse format".
342         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
343
344         if (FAILED(hr))
345         {
346                 Con_SafePrintf ("Couldn't set DI mouse format\n");
347                 return false;
348         }
349
350 // set the cooperativity level.
351         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
352                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
353
354         if (FAILED(hr))
355         {
356                 Con_SafePrintf ("Couldn't set DI coop level\n");
357                 return false;
358         }
359
360
361 // set the buffer size to DINPUT_BUFFERSIZE elements.
362 // the buffer size is a DWORD property associated with the device
363         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
364
365         if (FAILED(hr))
366         {
367                 Con_SafePrintf ("Couldn't set DI buffersize\n");
368                 return false;
369         }
370
371         return true;
372 }
373
374
375 /*
376 ===========
377 IN_StartupMouse
378 ===========
379 */
380 void IN_StartupMouse (void)
381 {
382         if ( COM_CheckParm ("-nomouse") ) 
383                 return; 
384
385         mouseinitialized = true;
386
387         if (COM_CheckParm ("-dinput"))
388         {
389                 dinput = IN_InitDInput ();
390
391                 if (dinput)
392                 {
393                         Con_SafePrintf ("DirectInput initialized\n");
394                 }
395                 else
396                 {
397                         Con_SafePrintf ("DirectInput not initialized\n");
398                 }
399         }
400
401         if (!dinput)
402         {
403                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
404
405                 if (mouseparmsvalid)
406                 {
407                         if ( COM_CheckParm ("-noforcemspd") ) 
408                                 newmouseparms[2] = originalmouseparms[2];
409
410                         if ( COM_CheckParm ("-noforcemaccel") ) 
411                         {
412                                 newmouseparms[0] = originalmouseparms[0];
413                                 newmouseparms[1] = originalmouseparms[1];
414                         }
415
416                         if ( COM_CheckParm ("-noforcemparms") ) 
417                         {
418                                 newmouseparms[0] = originalmouseparms[0];
419                                 newmouseparms[1] = originalmouseparms[1];
420                                 newmouseparms[2] = originalmouseparms[2];
421                         }
422                 }
423         }
424
425         mouse_buttons = 3;
426
427 // if a fullscreen video mode was set before the mouse was initialized,
428 // set the mouse state appropriately
429         if (mouseactivatetoggle)
430                 IN_ActivateMouse ();
431 }
432
433
434 /*
435 ===========
436 IN_Init
437 ===========
438 */
439 void IN_Init (void)
440 {
441         // mouse variables
442         Cvar_RegisterVariable (&m_filter);
443
444         // joystick variables
445         Cvar_RegisterVariable (&in_joystick);
446         Cvar_RegisterVariable (&joy_name);
447         Cvar_RegisterVariable (&joy_advanced);
448         Cvar_RegisterVariable (&joy_advaxisx);
449         Cvar_RegisterVariable (&joy_advaxisy);
450         Cvar_RegisterVariable (&joy_advaxisz);
451         Cvar_RegisterVariable (&joy_advaxisr);
452         Cvar_RegisterVariable (&joy_advaxisu);
453         Cvar_RegisterVariable (&joy_advaxisv);
454         Cvar_RegisterVariable (&joy_forwardthreshold);
455         Cvar_RegisterVariable (&joy_sidethreshold);
456         Cvar_RegisterVariable (&joy_pitchthreshold);
457         Cvar_RegisterVariable (&joy_yawthreshold);
458         Cvar_RegisterVariable (&joy_forwardsensitivity);
459         Cvar_RegisterVariable (&joy_sidesensitivity);
460         Cvar_RegisterVariable (&joy_pitchsensitivity);
461         Cvar_RegisterVariable (&joy_yawsensitivity);
462         Cvar_RegisterVariable (&joy_wwhack1);
463         Cvar_RegisterVariable (&joy_wwhack2);
464
465         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
466
467         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
468
469         IN_StartupMouse ();
470         IN_StartupJoystick ();
471 }
472
473 /*
474 ===========
475 IN_Shutdown
476 ===========
477 */
478 void IN_Shutdown (void)
479 {
480 //      usingmouse = false;
481         IN_DeactivateMouse ();
482         IN_ShowMouse ();
483
484     if (g_pMouse)
485         {
486                 IDirectInputDevice_Release(g_pMouse);
487                 g_pMouse = NULL;
488         }
489
490     if (g_pdi)
491         {
492                 IDirectInput_Release(g_pdi);
493                 g_pdi = NULL;
494         }
495 }
496
497
498 /*
499 ===========
500 IN_MouseEvent
501 ===========
502 */
503 void IN_MouseEvent (int mstate)
504 {
505         int     i;
506
507         if (mouseactive && !dinput)
508         {
509         // perform button actions
510                 for (i=0 ; i<mouse_buttons ; i++)
511                 {
512                         if ( (mstate & (1<<i)) &&
513                                 !(mouse_oldbuttonstate & (1<<i)) )
514                         {
515                                 Key_Event (K_MOUSE1 + i, true);
516                         }
517
518                         if ( !(mstate & (1<<i)) &&
519                                 (mouse_oldbuttonstate & (1<<i)) )
520                         {
521                                 Key_Event (K_MOUSE1 + i, false);
522                         }
523                 }       
524                         
525                 mouse_oldbuttonstate = mstate;
526         }
527 }
528
529
530 /*
531 ===========
532 IN_MouseMove
533 ===========
534 */
535 void IN_MouseMove (usercmd_t *cmd)
536 {
537         int                                     i, mx, my, mouselook = (in_mlook.state & 1) || freelook.integer;
538         DIDEVICEOBJECTDATA      od;
539         DWORD                           dwElements;
540         HRESULT                         hr;
541
542         if (!mouseactive)
543         {
544                 GetCursorPos (&current_pos);
545                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
546                 return;
547         }
548
549         if (dinput)
550         {
551                 mx = 0;
552                 my = 0;
553
554                 for (;;)
555                 {
556                         dwElements = 1;
557
558                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
559                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
560
561                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
562                         {
563                                 dinput_acquired = true;
564                                 IDirectInputDevice_Acquire(g_pMouse);
565                                 break;
566                         }
567
568                         /* Unable to read data or no data available */
569                         if (FAILED(hr) || dwElements == 0)
570                         {
571                                 break;
572                         }
573
574                         /* Look at the element to see what happened */
575
576                         switch (od.dwOfs)
577                         {
578                                 case DIMOFS_X:
579                                         mx += od.dwData;
580                                         break;
581
582                                 case DIMOFS_Y:
583                                         my += od.dwData;
584                                         break;
585
586                                 case DIMOFS_BUTTON0:
587                                         if (od.dwData & 0x80)
588                                                 mstate_di |= 1;
589                                         else
590                                                 mstate_di &= ~1;
591                                         break;
592
593                                 case DIMOFS_BUTTON1:
594                                         if (od.dwData & 0x80)
595                                                 mstate_di |= (1<<1);
596                                         else
597                                                 mstate_di &= ~(1<<1);
598                                         break;
599
600                                 case DIMOFS_BUTTON2:
601                                         if (od.dwData & 0x80)
602                                                 mstate_di |= (1<<2);
603                                         else
604                                                 mstate_di &= ~(1<<2);
605                                         break;
606                         }
607                 }
608
609         // perform button actions
610                 for (i=0 ; i<mouse_buttons ; i++)
611                 {
612                         if ( (mstate_di & (1<<i)) &&
613                                 !(mouse_oldbuttonstate & (1<<i)) )
614                         {
615                                 Key_Event (K_MOUSE1 + i, true);
616                         }
617
618                         if ( !(mstate_di & (1<<i)) &&
619                                 (mouse_oldbuttonstate & (1<<i)) )
620                         {
621                                 Key_Event (K_MOUSE1 + i, false);
622                         }
623                 }
624
625                 mouse_oldbuttonstate = mstate_di;
626         }
627         else
628         {
629                 GetCursorPos (&current_pos);
630                 mx = current_pos.x - window_center_x + mx_accum;
631                 my = current_pos.y - window_center_y + my_accum;
632                 mx_accum = 0;
633                 my_accum = 0;
634         }
635
636 //if (mx ||  my)
637 //      Con_DPrintf("mx=%d, my=%d\n", mx, my);
638
639         if (m_filter.integer)
640         {
641                 mouse_x = (mx + old_mouse_x) * 0.5;
642                 mouse_y = (my + old_mouse_y) * 0.5;
643         }
644         else
645         {
646                 mouse_x = mx;
647                 mouse_y = my;
648         }
649
650         old_mouse_x = mx;
651         old_mouse_y = my;
652
653         mouse_x *= sensitivity.value;
654         mouse_y *= sensitivity.value;
655
656 // add mouse X/Y movement to cmd
657         if ( (in_strafe.state & 1) || (lookstrafe.integer && mouselook))
658                 cmd->sidemove += m_side.value * mouse_x;
659         else
660                 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
661
662         if (mouselook)
663                 V_StopPitchDrift ();
664         
665         // LordHavoc: changed limits on pitch from -70 to 80, to -90 to 90
666         if (mouselook && !(in_strafe.state & 1))
667         {
668                 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
669                 if (cl.viewangles[PITCH] > 90)
670                         cl.viewangles[PITCH] = 90;
671                 if (cl.viewangles[PITCH] < -90)
672                         cl.viewangles[PITCH] = -90;
673         }
674         else
675         {
676                 if ((in_strafe.state & 1) && noclip_anglehack)
677                         cmd->upmove -= m_forward.value * mouse_y;
678                 else
679                         cmd->forwardmove -= m_forward.value * mouse_y;
680         }
681
682 // if the mouse has moved, force it to the center, so there's room to move
683         if (mx || my)
684         {
685                 SetCursorPos (window_center_x, window_center_y);
686         }
687 }
688
689
690 /*
691 ===========
692 IN_Move
693 ===========
694 */
695 void IN_Move (usercmd_t *cmd)
696 {
697
698         if (ActiveApp && !Minimized)
699         {
700                 IN_MouseMove (cmd);
701                 IN_JoyMove (cmd);
702         }
703 }
704
705
706 /*
707 ===========
708 IN_Accumulate
709 ===========
710 */
711 void IN_Accumulate (void)
712 {
713         if (mouseactive)
714         {
715                 if (!dinput)
716                 {
717                         GetCursorPos (&current_pos);
718
719                         mx_accum += current_pos.x - window_center_x;
720                         my_accum += current_pos.y - window_center_y;
721
722                 // force the mouse to the center, so there's room to move
723                         SetCursorPos (window_center_x, window_center_y);
724                 }
725         }
726 }
727
728
729 /*
730 ===================
731 IN_ClearStates
732 ===================
733 */
734 void IN_ClearStates (void)
735 {
736
737         if (mouseactive)
738         {
739                 mx_accum = 0;
740                 my_accum = 0;
741                 mouse_oldbuttonstate = 0;
742         }
743 }
744
745
746 /* 
747 =============== 
748 IN_StartupJoystick 
749 =============== 
750 */  
751 void IN_StartupJoystick (void) 
752
753         int                     numdevs;
754         JOYCAPS         jc;
755         MMRESULT        mmr;
756  
757         // assume no joystick
758         joy_avail = false; 
759
760         // abort startup if user requests no joystick
761         if ( COM_CheckParm ("-nojoy") ) 
762                 return; 
763  
764         // verify joystick driver is present
765         if ((numdevs = joyGetNumDevs ()) == 0)
766         {
767                 Con_Printf ("\njoystick not found -- driver not present\n\n");
768                 return;
769         }
770
771         // cycle through the joystick ids for the first valid one
772         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
773         {
774                 memset (&ji, 0, sizeof(ji));
775                 ji.dwSize = sizeof(ji);
776                 ji.dwFlags = JOY_RETURNCENTERED;
777
778                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
779                         break;
780         } 
781
782         // abort startup if we didn't find a valid joystick
783         if (mmr != JOYERR_NOERROR)
784         {
785                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
786                 return;
787         }
788
789         // get the capabilities of the selected joystick
790         // abort startup if command fails
791         memset (&jc, 0, sizeof(jc));
792         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
793         {
794                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr); 
795                 return;
796         }
797
798         // save the joystick's number of buttons and POV status
799         joy_numbuttons = jc.wNumButtons;
800         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
801
802         // old button and POV states default to no buttons pressed
803         joy_oldbuttonstate = joy_oldpovstate = 0;
804
805         // mark the joystick as available and advanced initialization not completed
806         // this is needed as cvars are not available during initialization
807
808         joy_avail = true; 
809         joy_advancedinit = false;
810
811         Con_Printf ("\njoystick detected\n\n"); 
812 }
813
814
815 /*
816 ===========
817 RawValuePointer
818 ===========
819 */
820 PDWORD RawValuePointer (int axis)
821 {
822         switch (axis)
823         {
824         case JOY_AXIS_X:
825                 return &ji.dwXpos;
826         case JOY_AXIS_Y:
827                 return &ji.dwYpos;
828         case JOY_AXIS_Z:
829                 return &ji.dwZpos;
830         case JOY_AXIS_R:
831                 return &ji.dwRpos;
832         case JOY_AXIS_U:
833                 return &ji.dwUpos;
834         case JOY_AXIS_V:
835                 return &ji.dwVpos;
836         }
837         return NULL; // LordHavoc: hush compiler warning
838 }
839
840
841 /*
842 ===========
843 Joy_AdvancedUpdate_f
844 ===========
845 */
846 void Joy_AdvancedUpdate_f (void)
847 {
848
849         // called once by IN_ReadJoystick and by user whenever an update is needed
850         // cvars are now available
851         int     i;
852         DWORD dwTemp;
853
854         // initialize all the maps
855         for (i = 0; i < JOY_MAX_AXES; i++)
856         {
857                 dwAxisMap[i] = AxisNada;
858                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
859                 pdwRawValue[i] = RawValuePointer(i);
860         }
861
862         if( joy_advanced.integer == 0)
863         {
864                 // default joystick initialization
865                 // 2 axes only with joystick control
866                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
867                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
868                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
869                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
870         }
871         else
872         {
873                 if (strcmp (joy_name.string, "joystick") != 0)
874                 {
875                         // notify user of advanced controller
876                         Con_Printf ("\n%s configured\n\n", joy_name.string);
877                 }
878
879                 // advanced initialization here
880                 // data supplied by user via joy_axisn cvars
881                 dwTemp = (DWORD) joy_advaxisx.value;
882                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
883                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
884                 dwTemp = (DWORD) joy_advaxisy.value;
885                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
886                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
887                 dwTemp = (DWORD) joy_advaxisz.value;
888                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
889                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
890                 dwTemp = (DWORD) joy_advaxisr.value;
891                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
892                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
893                 dwTemp = (DWORD) joy_advaxisu.value;
894                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
895                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
896                 dwTemp = (DWORD) joy_advaxisv.value;
897                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
898                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
899         }
900
901         // compute the axes to collect from DirectInput
902         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
903         for (i = 0; i < JOY_MAX_AXES; i++)
904         {
905                 if (dwAxisMap[i] != AxisNada)
906                 {
907                         joy_flags |= dwAxisFlags[i];
908                 }
909         }
910 }
911
912
913 /*
914 ===========
915 IN_Commands
916 ===========
917 */
918 void IN_Commands (void)
919 {
920         int             i, key_index;
921         DWORD   buttonstate, povstate;
922
923         if (!joy_avail)
924         {
925                 return;
926         }
927
928         
929         // loop through the joystick buttons
930         // key a joystick event or auxillary event for higher number buttons for each state change
931         buttonstate = ji.dwButtons;
932         for (i=0 ; i < (int) joy_numbuttons ; i++)
933         {
934                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
935                 {
936                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
937                         Key_Event (key_index + i, true);
938                 }
939
940                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
941                 {
942                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
943                         Key_Event (key_index + i, false);
944                 }
945         }
946         joy_oldbuttonstate = buttonstate;
947
948         if (joy_haspov)
949         {
950                 // convert POV information into 4 bits of state information
951                 // this avoids any potential problems related to moving from one
952                 // direction to another without going through the center position
953                 povstate = 0;
954                 if(ji.dwPOV != JOY_POVCENTERED)
955                 {
956                         if (ji.dwPOV == JOY_POVFORWARD)
957                                 povstate |= 0x01;
958                         if (ji.dwPOV == JOY_POVRIGHT)
959                                 povstate |= 0x02;
960                         if (ji.dwPOV == JOY_POVBACKWARD)
961                                 povstate |= 0x04;
962                         if (ji.dwPOV == JOY_POVLEFT)
963                                 povstate |= 0x08;
964                 }
965                 // determine which bits have changed and key an auxillary event for each change
966                 for (i=0 ; i < 4 ; i++)
967                 {
968                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
969                         {
970                                 Key_Event (K_AUX29 + i, true);
971                         }
972
973                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
974                         {
975                                 Key_Event (K_AUX29 + i, false);
976                         }
977                 }
978                 joy_oldpovstate = povstate;
979         }
980 }
981
982
983 /* 
984 =============== 
985 IN_ReadJoystick
986 =============== 
987 */  
988 qboolean IN_ReadJoystick (void)
989 {
990
991         memset (&ji, 0, sizeof(ji));
992         ji.dwSize = sizeof(ji);
993         ji.dwFlags = joy_flags;
994
995         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
996         {
997                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
998                 // rather than having 32768 be the zero point, they have the zero point at 32668
999                 // go figure -- anyway, now we get the full resolution out of the device
1000                 if (joy_wwhack1.integer != 0.0)
1001                 {
1002                         ji.dwUpos += 100;
1003                 }
1004                 return true;
1005         }
1006         else
1007         {
1008                 // read error occurred
1009                 // turning off the joystick seems too harsh for 1 read error,\
1010                 // but what should be done?
1011                 // Con_Printf ("IN_ReadJoystick: no response\n");
1012                 // joy_avail = false;
1013                 return false;
1014         }
1015 }
1016
1017
1018 /*
1019 ===========
1020 IN_JoyMove
1021 ===========
1022 */
1023 void IN_JoyMove (usercmd_t *cmd)
1024 {
1025         float   speed, aspeed;
1026         float   fAxisValue, fTemp;
1027         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1028
1029         // complete initialization if first time in
1030         // this is needed as cvars are not available at initialization time
1031         if( joy_advancedinit != true )
1032         {
1033                 Joy_AdvancedUpdate_f();
1034                 joy_advancedinit = true;
1035         }
1036
1037         // verify joystick is available and that the user wants to use it
1038         if (!joy_avail || !in_joystick.integer)
1039         {
1040                 return; 
1041         }
1042
1043         // collect the joystick data, if possible
1044         if (IN_ReadJoystick () != true)
1045         {
1046                 return;
1047         }
1048
1049         if (in_speed.state & 1)
1050                 speed = cl_movespeedkey.value;
1051         else
1052                 speed = 1;
1053         aspeed = speed * host_realframetime;
1054
1055         // loop through the axes
1056         for (i = 0; i < JOY_MAX_AXES; i++)
1057         {
1058                 // get the floating point zero-centered, potentially-inverted data for the current axis
1059                 fAxisValue = (float) *pdwRawValue[i];
1060                 // move centerpoint to zero
1061                 fAxisValue -= 32768.0;
1062
1063                 if (joy_wwhack2.integer != 0.0)
1064                 {
1065                         if (dwAxisMap[i] == AxisTurn)
1066                         {
1067                                 // this is a special formula for the Logitech WingMan Warrior
1068                                 // y=ax^b; where a = 300 and b = 1.3
1069                                 // also x values are in increments of 800 (so this is factored out)
1070                                 // then bounds check result to level out excessively high spin rates
1071                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1072                                 if (fTemp > 14000.0)
1073                                         fTemp = 14000.0;
1074                                 // restore direction information
1075                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1076                         }
1077                 }
1078
1079                 // convert range from -32768..32767 to -1..1 
1080                 fAxisValue /= 32768.0;
1081
1082                 switch (dwAxisMap[i])
1083                 {
1084                 case AxisForward:
1085                         if ((joy_advanced.integer == 0) && mouselook)
1086                         {
1087                                 // user wants forward control to become look control
1088                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1089                                 {               
1090                                         // if mouse invert is on, invert the joystick pitch value
1091                                         // only absolute control support here (joy_advanced is false)
1092                                         if (m_pitch.value < 0.0)
1093                                         {
1094                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1095                                         }
1096                                         else
1097                                         {
1098                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1099                                         }
1100                                         V_StopPitchDrift();
1101                                 }
1102                                 else
1103                                 {
1104                                         // no pitch movement
1105                                         // disable pitch return-to-center unless requested by user
1106                                         // *** this code can be removed when the lookspring bug is fixed
1107                                         // *** the bug always has the lookspring feature on
1108                                         if(lookspring.value == 0.0)
1109                                                 V_StopPitchDrift();
1110                                 }
1111                         }
1112                         else
1113                         {
1114                                 // user wants forward control to be forward control
1115                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1116                                 {
1117                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1118                                 }
1119                         }
1120                         break;
1121
1122                 case AxisSide:
1123                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1124                         {
1125                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1126                         }
1127                         break;
1128
1129                 case AxisTurn:
1130                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1131                         {
1132                                 // user wants turn control to become side control
1133                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1134                                 {
1135                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1136                                 }
1137                         }
1138                         else
1139                         {
1140                                 // user wants turn control to be turn control
1141                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1142                                 {
1143                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1144                                         {
1145                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1146                                         }
1147                                         else
1148                                         {
1149                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1150                                         }
1151
1152                                 }
1153                         }
1154                         break;
1155
1156                 case AxisLook:
1157                         if (mouselook)
1158                         {
1159                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1160                                 {
1161                                         // pitch movement detected and pitch movement desired by user
1162                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1163                                         {
1164                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1165                                         }
1166                                         else
1167                                         {
1168                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1169                                         }
1170                                         V_StopPitchDrift();
1171                                 }
1172                                 else
1173                                 {
1174                                         // no pitch movement
1175                                         // disable pitch return-to-center unless requested by user
1176                                         // *** this code can be removed when the lookspring bug is fixed
1177                                         // *** the bug always has the lookspring feature on
1178                                         if(lookspring.integer == 0)
1179                                                 V_StopPitchDrift();
1180                                 }
1181                         }
1182                         break;
1183
1184                 default:
1185                         break;
1186                 }
1187         }
1188
1189         // bounds check pitch
1190         if (cl.viewangles[PITCH] > 80.0)
1191                 cl.viewangles[PITCH] = 80.0;
1192         if (cl.viewangles[PITCH] < -70.0)
1193                 cl.viewangles[PITCH] = -70.0;
1194 }