Games/Quake/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 <dinput.h>
  24 #include "quakedef.h"
  25 #include "winquake.h"
  26 #include "dosisms.h"
  27
  28 #define DINPUT_BUFFERSIZE           16
  29 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
  30
  31 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
  32         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
  33
  34 // mouse variables
  35 cvar_t  m_filter = {"m_filter","0"};
  36
  37 int                     mouse_buttons;
  38 int                     mouse_oldbuttonstate;
  39 POINT           current_pos;
  40 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
  41
  42 static qboolean restore_spi;
  43 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
  44
  45 unsigned int uiWheelMessage;
  46 qboolean        mouseactive;
  47 qboolean                mouseinitialized;
  48 static qboolean mouseparmsvalid, mouseactivatetoggle;
  49 static qboolean mouseshowtoggle = 1;
  50 static qboolean dinput_acquired;
  51
  52 static unsigned int             mstate_di;
  53
  54 // joystick defines and variables
  55 // where should defines be moved?
  56 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
  57 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
  58 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
  59 #define JOY_AXIS_X                      0
  60 #define JOY_AXIS_Y                      1
  61 #define JOY_AXIS_Z                      2
  62 #define JOY_AXIS_R                      3
  63 #define JOY_AXIS_U                      4
  64 #define JOY_AXIS_V                      5
  65
  66 enum _ControlList
  67 {
  68         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
  69 };
  70
  71 DWORD   dwAxisFlags[JOY_MAX_AXES] =
  72 {
  73         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
  74 };
  75
  76 DWORD   dwAxisMap[JOY_MAX_AXES];
  77 DWORD   dwControlMap[JOY_MAX_AXES];
  78 PDWORD  pdwRawValue[JOY_MAX_AXES];
  79
  80 // none of these cvars are saved over a session
  81 // this means that advanced controller configuration needs to be executed
  82 // each time.  this avoids any problems with getting back to a default usage
  83 // or when changing from one controller to another.  this way at least something
  84 // works.
  85 cvar_t  in_joystick = {"joystick","0", true};
  86 cvar_t  joy_name = {"joyname", "joystick"};
  87 cvar_t  joy_advanced = {"joyadvanced", "0"};
  88 cvar_t  joy_advaxisx = {"joyadvaxisx", "0"};
  89 cvar_t  joy_advaxisy = {"joyadvaxisy", "0"};
  90 cvar_t  joy_advaxisz = {"joyadvaxisz", "0"};
  91 cvar_t  joy_advaxisr = {"joyadvaxisr", "0"};
  92 cvar_t  joy_advaxisu = {"joyadvaxisu", "0"};
  93 cvar_t  joy_advaxisv = {"joyadvaxisv", "0"};
  94 cvar_t  joy_forwardthreshold = {"joyforwardthreshold", "0.15"};
  95 cvar_t  joy_sidethreshold = {"joysidethreshold", "0.15"};
  96 cvar_t  joy_pitchthreshold = {"joypitchthreshold", "0.15"};
  97 cvar_t  joy_yawthreshold = {"joyyawthreshold", "0.15"};
  98 cvar_t  joy_forwardsensitivity = {"joyforwardsensitivity", "-1.0"};
  99 cvar_t  joy_sidesensitivity = {"joysidesensitivity", "-1.0"};
 100 cvar_t  joy_pitchsensitivity = {"joypitchsensitivity", "1.0"};
 101 cvar_t  joy_yawsensitivity = {"joyyawsensitivity", "-1.0"};
 102 cvar_t  joy_wwhack1 = {"joywwhack1", "0.0"};
 103 cvar_t  joy_wwhack2 = {"joywwhack2", "0.0"};
 104
 105 qboolean        joy_avail, joy_advancedinit, joy_haspov;
 106 DWORD           joy_oldbuttonstate, joy_oldpovstate;
 107
 108 int                     joy_id;
 109 DWORD           joy_flags;
 110 DWORD           joy_numbuttons;
 111
 112 static LPDIRECTINPUT            g_pdi;
 113 static LPDIRECTINPUTDEVICE      g_pMouse;
 114
 115 static JOYINFOEX        ji;
 116
 117 static HINSTANCE hInstDI;
 118
 119 static qboolean dinput;
 120
 121 typedef struct MYDATA {
 122         LONG  lX;                   // X axis goes here
 123         LONG  lY;                   // Y axis goes here
 124         LONG  lZ;                   // Z axis goes here
 125         BYTE  bButtonA;             // One button goes here
 126         BYTE  bButtonB;             // Another button goes here
 127         BYTE  bButtonC;             // Another button goes here
 128         BYTE  bButtonD;             // Another button goes here
 129 } MYDATA;
 130
 131 static DIOBJECTDATAFORMAT rgodf[] = {
 132   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 133   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 134   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 135   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 136   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 137   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 138   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 139 };
 140
 141 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 142
 143 static DIDATAFORMAT     df = {
 144         sizeof(DIDATAFORMAT),       // this structure
 145         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 146         DIDF_RELAXIS,               // absolute axis coordinates
 147         sizeof(MYDATA),             // device data size
 148         NUM_OBJECTS,                // number of objects
 149         rgodf,                      // and here they are
 150 };
 151
 152 // forward-referenced functions
 153 void IN_StartupJoystick (void);
 154 void Joy_AdvancedUpdate_f (void);
 155 void IN_JoyMove (usercmd_t *cmd);
 156
 157
 158 /*
 159 ===========
 160 Force_CenterView_f
 161 ===========
 162 */
 163 void Force_CenterView_f (void)
 164 {
 165         cl.viewangles[PITCH] = 0;
 166 }
 167
 168
 169 /*
 170 ===========
 171 IN_UpdateClipCursor
 172 ===========
 173 */
 174 void IN_UpdateClipCursor (void)
 175 {
 176
 177         if (mouseinitialized && mouseactive && !dinput)
 178         {
 179                 ClipCursor (&window_rect);
 180         }
 181 }
 182
 183
 184 /*
 185 ===========
 186 IN_ShowMouse
 187 ===========
 188 */
 189 void IN_ShowMouse (void)
 190 {
 191
 192         if (!mouseshowtoggle)
 193         {
 194                 ShowCursor (TRUE);
 195                 mouseshowtoggle = 1;
 196         }
 197 }
 198
 199
 200 /*
 201 ===========
 202 IN_HideMouse
 203 ===========
 204 */
 205 void IN_HideMouse (void)
 206 {
 207
 208         if (mouseshowtoggle)
 209         {
 210                 ShowCursor (FALSE);
 211                 mouseshowtoggle = 0;
 212         }
 213 }
 214
 215
 216 /*
 217 ===========
 218 IN_ActivateMouse
 219 ===========
 220 */
 221 void IN_ActivateMouse (void)
 222 {
 223
 224         mouseactivatetoggle = true;
 225
 226         if (mouseinitialized)
 227         {
 228                 if (dinput)
 229                 {
 230                         if (g_pMouse)
 231                         {
 232                                 if (!dinput_acquired)
 233                                 {
 234                                         IDirectInputDevice_Acquire(g_pMouse);
 235                                         dinput_acquired = true;
 236                                 }
 237                         }
 238                         else
 239                         {
 240                                 return;
 241                         }
 242                 }
 243                 else
 244                 {
 245                         if (mouseparmsvalid)
 246                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
 247
 248                         SetCursorPos (window_center_x, window_center_y);
 249                         SetCapture (mainwindow);
 250                         ClipCursor (&window_rect);
 251                 }
 252
 253                 mouseactive = true;
 254         }
 255 }
 256
 257
 258 /*
 259 ===========
 260 IN_SetQuakeMouseState
 261 ===========
 262 */
 263 void IN_SetQuakeMouseState (void)
 264 {
 265         if (mouseactivatetoggle)
 266                 IN_ActivateMouse ();
 267 }
 268
 269
 270 /*
 271 ===========
 272 IN_DeactivateMouse
 273 ===========
 274 */
 275 void IN_DeactivateMouse (void)
 276 {
 277
 278         mouseactivatetoggle = false;
 279
 280         if (mouseinitialized)
 281         {
 282                 if (dinput)
 283                 {
 284                         if (g_pMouse)
 285                         {
 286                                 if (dinput_acquired)
 287                                 {
 288                                         IDirectInputDevice_Unacquire(g_pMouse);
 289                                         dinput_acquired = false;
 290                                 }
 291                         }
 292                 }
 293                 else
 294                 {
 295                         if (restore_spi)
 296                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
 297
 298                         ClipCursor (NULL);
 299                         ReleaseCapture ();
 300                 }
 301
 302                 mouseactive = false;
 303         }
 304 }
 305
 306
 307 /*
 308 ===========
 309 IN_RestoreOriginalMouseState
 310 ===========
 311 */
 312 void IN_RestoreOriginalMouseState (void)
 313 {
 314         if (mouseactivatetoggle)
 315         {
 316                 IN_DeactivateMouse ();
 317                 mouseactivatetoggle = true;
 318         }
 319
 320 // try to redraw the cursor so it gets reinitialized, because sometimes it
 321 // has garbage after the mode switch
 322         ShowCursor (TRUE);
 323         ShowCursor (FALSE);
 324 }
 325
 326
 327 /*
 328 ===========
 329 IN_InitDInput
 330 ===========
 331 */
 332 qboolean IN_InitDInput (void)
 333 {
 334     HRESULT             hr;
 335         DIPROPDWORD     dipdw = {
 336                 {
 337                         sizeof(DIPROPDWORD),        // diph.dwSize
 338                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
 339                         0,                          // diph.dwObj
 340                         DIPH_DEVICE,                // diph.dwHow
 341                 },
 342                 DINPUT_BUFFERSIZE,              // dwData
 343         };
 344
 345         if (!hInstDI)
 346         {
 347                 hInstDI = LoadLibrary("dinput.dll");
 348
 349                 if (hInstDI == NULL)
 350                 {
 351                         Con_SafePrintf ("Couldn't load dinput.dll\n");
 352                         return false;
 353                 }
 354         }
 355
 356         if (!pDirectInputCreate)
 357         {
 358                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
 359
 360                 if (!pDirectInputCreate)
 361                 {
 362                         Con_SafePrintf ("Couldn't get DI proc addr\n");
 363                         return false;
 364                 }
 365         }
 366
 367 // register with DirectInput and get an IDirectInput to play with.
 368         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
 369
 370         if (FAILED(hr))
 371         {
 372                 return false;
 373         }
 374
 375 // obtain an interface to the system mouse device.
 376         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
 377
 378         if (FAILED(hr))
 379         {
 380                 Con_SafePrintf ("Couldn't open DI mouse device\n");
 381                 return false;
 382         }
 383
 384 // set the data format to "mouse format".
 385         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
 386
 387         if (FAILED(hr))
 388         {
 389                 Con_SafePrintf ("Couldn't set DI mouse format\n");
 390                 return false;
 391         }
 392
 393 // set the cooperativity level.
 394         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
 395                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
 396
 397         if (FAILED(hr))
 398         {
 399                 Con_SafePrintf ("Couldn't set DI coop level\n");
 400                 return false;
 401         }
 402
 403
 404 // set the buffer size to DINPUT_BUFFERSIZE elements.
 405 // the buffer size is a DWORD property associated with the device
 406         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
 407
 408         if (FAILED(hr))
 409         {
 410                 Con_SafePrintf ("Couldn't set DI buffersize\n");
 411                 return false;
 412         }
 413
 414         return true;
 415 }
 416
 417
 418 /*
 419 ===========
 420 IN_StartupMouse
 421 ===========
 422 */
 423 void IN_StartupMouse (void)
 424 {
 425         HDC                     hdc;
 426
 427         if ( COM_CheckParm ("-nomouse") )
 428                 return;
 429
 430         mouseinitialized = true;
 431
 432         if (COM_CheckParm ("-dinput"))
 433         {
 434                 dinput = IN_InitDInput ();
 435
 436                 if (dinput)
 437                 {
 438                         Con_SafePrintf ("DirectInput initialized\n");
 439                 }
 440                 else
 441                 {
 442                         Con_SafePrintf ("DirectInput not initialized\n");
 443                 }
 444         }
 445
 446         if (!dinput)
 447         {
 448                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
 449
 450                 if (mouseparmsvalid)
 451                 {
 452                         if ( COM_CheckParm ("-noforcemspd") )
 453                                 newmouseparms[2] = originalmouseparms[2];
 454
 455                         if ( COM_CheckParm ("-noforcemaccel") )
 456                         {
 457                                 newmouseparms[0] = originalmouseparms[0];
 458                                 newmouseparms[1] = originalmouseparms[1];
 459                         }
 460
 461                         if ( COM_CheckParm ("-noforcemparms") )
 462                         {
 463                                 newmouseparms[0] = originalmouseparms[0];
 464                                 newmouseparms[1] = originalmouseparms[1];
 465                                 newmouseparms[2] = originalmouseparms[2];
 466                         }
 467                 }
 468         }
 469
 470         mouse_buttons = 3;
 471
 472 // if a fullscreen video mode was set before the mouse was initialized,
 473 // set the mouse state appropriately
 474         if (mouseactivatetoggle)
 475                 IN_ActivateMouse ();
 476 }
 477
 478
 479 /*
 480 ===========
 481 IN_Init
 482 ===========
 483 */
 484 void IN_Init (void)
 485 {
 486         // mouse variables
 487         Cvar_RegisterVariable (&m_filter);
 488
 489         // joystick variables
 490         Cvar_RegisterVariable (&in_joystick);
 491         Cvar_RegisterVariable (&joy_name);
 492         Cvar_RegisterVariable (&joy_advanced);
 493         Cvar_RegisterVariable (&joy_advaxisx);
 494         Cvar_RegisterVariable (&joy_advaxisy);
 495         Cvar_RegisterVariable (&joy_advaxisz);
 496         Cvar_RegisterVariable (&joy_advaxisr);
 497         Cvar_RegisterVariable (&joy_advaxisu);
 498         Cvar_RegisterVariable (&joy_advaxisv);
 499         Cvar_RegisterVariable (&joy_forwardthreshold);
 500         Cvar_RegisterVariable (&joy_sidethreshold);
 501         Cvar_RegisterVariable (&joy_pitchthreshold);
 502         Cvar_RegisterVariable (&joy_yawthreshold);
 503         Cvar_RegisterVariable (&joy_forwardsensitivity);
 504         Cvar_RegisterVariable (&joy_sidesensitivity);
 505         Cvar_RegisterVariable (&joy_pitchsensitivity);
 506         Cvar_RegisterVariable (&joy_yawsensitivity);
 507         Cvar_RegisterVariable (&joy_wwhack1);
 508         Cvar_RegisterVariable (&joy_wwhack2);
 509
 510         Cmd_AddCommand ("force_centerview", Force_CenterView_f);
 511         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
 512
 513         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
 514
 515         IN_StartupMouse ();
 516         IN_StartupJoystick ();
 517 }
 518
 519 /*
 520 ===========
 521 IN_Shutdown
 522 ===========
 523 */
 524 void IN_Shutdown (void)
 525 {
 526
 527         IN_DeactivateMouse ();
 528         IN_ShowMouse ();
 529
 530     if (g_pMouse)
 531         {
 532                 IDirectInputDevice_Release(g_pMouse);
 533                 g_pMouse = NULL;
 534         }
 535
 536     if (g_pdi)
 537         {
 538                 IDirectInput_Release(g_pdi);
 539                 g_pdi = NULL;
 540         }
 541 }
 542
 543
 544 /*
 545 ===========
 546 IN_MouseEvent
 547 ===========
 548 */
 549 void IN_MouseEvent (int mstate)
 550 {
 551         int     i;
 552
 553         if (mouseactive && !dinput)
 554         {
 555         // perform button actions
 556                 for (i=0 ; i<mouse_buttons ; i++)
 557                 {
 558                         if ( (mstate & (1<<i)) &&
 559                                 !(mouse_oldbuttonstate & (1<<i)) )
 560                         {
 561                                 Key_Event (K_MOUSE1 + i, true);
 562                         }
 563
 564                         if ( !(mstate & (1<<i)) &&
 565                                 (mouse_oldbuttonstate & (1<<i)) )
 566                         {
 567                                 Key_Event (K_MOUSE1 + i, false);
 568                         }
 569                 }
 570
 571                 mouse_oldbuttonstate = mstate;
 572         }
 573 }
 574
 575
 576 /*
 577 ===========
 578 IN_MouseMove
 579 ===========
 580 */
 581 void IN_MouseMove (usercmd_t *cmd)
 582 {
 583         int                                     mx, my;
 584         HDC                                     hdc;
 585         int                                     i;
 586         DIDEVICEOBJECTDATA      od;
 587         DWORD                           dwElements;
 588         HRESULT                         hr;
 589
 590         if (!mouseactive)
 591                 return;
 592
 593         if (dinput)
 594         {
 595                 mx = 0;
 596                 my = 0;
 597
 598                 for (;;)
 599                 {
 600                         dwElements = 1;
 601
 602                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
 603                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
 604
 605                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
 606                         {
 607                                 dinput_acquired = true;
 608                                 IDirectInputDevice_Acquire(g_pMouse);
 609                                 break;
 610                         }
 611
 612                         /* Unable to read data or no data available */
 613                         if (FAILED(hr) || dwElements == 0)
 614                         {
 615                                 break;
 616                         }
 617
 618                         /* Look at the element to see what happened */
 619
 620                         switch (od.dwOfs)
 621                         {
 622                                 case DIMOFS_X:
 623                                         mx += od.dwData;
 624                                         break;
 625
 626                                 case DIMOFS_Y:
 627                                         my += od.dwData;
 628                                         break;
 629
 630                                 case DIMOFS_BUTTON0:
 631                                         if (od.dwData & 0x80)
 632                                                 mstate_di |= 1;
 633                                         else
 634                                                 mstate_di &= ~1;
 635                                         break;
 636
 637                                 case DIMOFS_BUTTON1:
 638                                         if (od.dwData & 0x80)
 639                                                 mstate_di |= (1<<1);
 640                                         else
 641                                                 mstate_di &= ~(1<<1);
 642                                         break;
 643
 644                                 case DIMOFS_BUTTON2:
 645                                         if (od.dwData & 0x80)
 646                                                 mstate_di |= (1<<2);
 647                                         else
 648                                                 mstate_di &= ~(1<<2);
 649                                         break;
 650                         }
 651                 }
 652
 653         // perform button actions
 654                 for (i=0 ; i<mouse_buttons ; i++)
 655                 {
 656                         if ( (mstate_di & (1<<i)) &&
 657                                 !(mouse_oldbuttonstate & (1<<i)) )
 658                         {
 659                                 Key_Event (K_MOUSE1 + i, true);
 660                         }
 661
 662                         if ( !(mstate_di & (1<<i)) &&
 663                                 (mouse_oldbuttonstate & (1<<i)) )
 664                         {
 665                                 Key_Event (K_MOUSE1 + i, false);
 666                         }
 667                 }
 668
 669                 mouse_oldbuttonstate = mstate_di;
 670         }
 671         else
 672         {
 673                 GetCursorPos (&current_pos);
 674                 mx = current_pos.x - window_center_x + mx_accum;
 675                 my = current_pos.y - window_center_y + my_accum;
 676                 mx_accum = 0;
 677                 my_accum = 0;
 678         }
 679
 680 //if (mx ||  my)
 681 //      Con_DPrintf("mx=%d, my=%d\n", mx, my);
 682
 683         if (m_filter.value)
 684         {
 685                 mouse_x = (mx + old_mouse_x) * 0.5;
 686                 mouse_y = (my + old_mouse_y) * 0.5;
 687         }
 688         else
 689         {
 690                 mouse_x = mx;
 691                 mouse_y = my;
 692         }
 693
 694         old_mouse_x = mx;
 695         old_mouse_y = my;
 696
 697         mouse_x *= sensitivity.value;
 698         mouse_y *= sensitivity.value;
 699
 700 // add mouse X/Y movement to cmd
 701         if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
 702                 cmd->sidemove += m_side.value * mouse_x;
 703         else
 704                 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
 705
 706         if (in_mlook.state & 1)
 707                 V_StopPitchDrift ();
 708
 709         if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
 710         {
 711                 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
 712                 if (cl.viewangles[PITCH] > 80)
 713                         cl.viewangles[PITCH] = 80;
 714                 if (cl.viewangles[PITCH] < -70)
 715                         cl.viewangles[PITCH] = -70;
 716         }
 717         else
 718         {
 719                 if ((in_strafe.state & 1) && noclip_anglehack)
 720                         cmd->upmove -= m_forward.value * mouse_y;
 721                 else
 722                         cmd->forwardmove -= m_forward.value * mouse_y;
 723         }
 724
 725 // if the mouse has moved, force it to the center, so there's room to move
 726         if (mx || my)
 727         {
 728                 SetCursorPos (window_center_x, window_center_y);
 729         }
 730 }
 731
 732
 733 /*
 734 ===========
 735 IN_Move
 736 ===========
 737 */
 738 void IN_Move (usercmd_t *cmd)
 739 {
 740
 741         if (ActiveApp && !Minimized)
 742         {
 743                 IN_MouseMove (cmd);
 744                 IN_JoyMove (cmd);
 745         }
 746 }
 747
 748
 749 /*
 750 ===========
 751 IN_Accumulate
 752 ===========
 753 */
 754 void IN_Accumulate (void)
 755 {
 756         int             mx, my;
 757         HDC     hdc;
 758
 759         if (mouseactive)
 760         {
 761                 if (!dinput)
 762                 {
 763                         GetCursorPos (&current_pos);
 764
 765                         mx_accum += current_pos.x - window_center_x;
 766                         my_accum += current_pos.y - window_center_y;
 767
 768                 // force the mouse to the center, so there's room to move
 769                         SetCursorPos (window_center_x, window_center_y);
 770                 }
 771         }
 772 }
 773
 774
 775 /*
 776 ===================
 777 IN_ClearStates
 778 ===================
 779 */
 780 void IN_ClearStates (void)
 781 {
 782
 783         if (mouseactive)
 784         {
 785                 mx_accum = 0;
 786                 my_accum = 0;
 787                 mouse_oldbuttonstate = 0;
 788         }
 789 }
 790
 791
 792 /*
 793 ===============
 794 IN_StartupJoystick
 795 ===============
 796 */
 797 void IN_StartupJoystick (void)
 798 {
 799         int                     i, numdevs;
 800         JOYCAPS         jc;
 801         MMRESULT        mmr;
 802
 803         // assume no joystick
 804         joy_avail = false;
 805
 806         // abort startup if user requests no joystick
 807         if ( COM_CheckParm ("-nojoy") )
 808                 return;
 809
 810         // verify joystick driver is present
 811         if ((numdevs = joyGetNumDevs ()) == 0)
 812         {
 813                 Con_Printf ("\njoystick not found -- driver not present\n\n");
 814                 return;
 815         }
 816
 817         // cycle through the joystick ids for the first valid one
 818         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
 819         {
 820                 memset (&ji, 0, sizeof(ji));
 821                 ji.dwSize = sizeof(ji);
 822                 ji.dwFlags = JOY_RETURNCENTERED;
 823
 824                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
 825                         break;
 826         }
 827
 828         // abort startup if we didn't find a valid joystick
 829         if (mmr != JOYERR_NOERROR)
 830         {
 831                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
 832                 return;
 833         }
 834
 835         // get the capabilities of the selected joystick
 836         // abort startup if command fails
 837         memset (&jc, 0, sizeof(jc));
 838         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
 839         {
 840                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
 841                 return;
 842         }
 843
 844         // save the joystick's number of buttons and POV status
 845         joy_numbuttons = jc.wNumButtons;
 846         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
 847
 848         // old button and POV states default to no buttons pressed
 849         joy_oldbuttonstate = joy_oldpovstate = 0;
 850
 851         // mark the joystick as available and advanced initialization not completed
 852         // this is needed as cvars are not available during initialization
 853
 854         joy_avail = true;
 855         joy_advancedinit = false;
 856
 857         Con_Printf ("\njoystick detected\n\n");
 858 }
 859
 860
 861 /*
 862 ===========
 863 RawValuePointer
 864 ===========
 865 */
 866 PDWORD RawValuePointer (int axis)
 867 {
 868         switch (axis)
 869         {
 870         case JOY_AXIS_X:
 871                 return &ji.dwXpos;
 872         case JOY_AXIS_Y:
 873                 return &ji.dwYpos;
 874         case JOY_AXIS_Z:
 875                 return &ji.dwZpos;
 876         case JOY_AXIS_R:
 877                 return &ji.dwRpos;
 878         case JOY_AXIS_U:
 879                 return &ji.dwUpos;
 880         case JOY_AXIS_V:
 881                 return &ji.dwVpos;
 882         }
 883 }
 884
 885
 886 /*
 887 ===========
 888 Joy_AdvancedUpdate_f
 889 ===========
 890 */
 891 void Joy_AdvancedUpdate_f (void)
 892 {
 893
 894         // called once by IN_ReadJoystick and by user whenever an update is needed
 895         // cvars are now available
 896         int     i;
 897         DWORD dwTemp;
 898
 899         // initialize all the maps
 900         for (i = 0; i < JOY_MAX_AXES; i++)
 901         {
 902                 dwAxisMap[i] = AxisNada;
 903                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
 904                 pdwRawValue[i] = RawValuePointer(i);
 905         }
 906
 907         if( joy_advanced.value == 0.0)
 908         {
 909                 // default joystick initialization
 910                 // 2 axes only with joystick control
 911                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
 912                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
 913                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
 914                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
 915         }
 916         else
 917         {
 918                 if (Q_strcmp (joy_name.string, "joystick") != 0)
 919                 {
 920                         // notify user of advanced controller
 921                         Con_Printf ("\n%s configured\n\n", joy_name.string);
 922                 }
 923
 924                 // advanced initialization here
 925                 // data supplied by user via joy_axisn cvars
 926                 dwTemp = (DWORD) joy_advaxisx.value;
 927                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
 928                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
 929                 dwTemp = (DWORD) joy_advaxisy.value;
 930                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
 931                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
 932                 dwTemp = (DWORD) joy_advaxisz.value;
 933                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
 934                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
 935                 dwTemp = (DWORD) joy_advaxisr.value;
 936                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
 937                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
 938                 dwTemp = (DWORD) joy_advaxisu.value;
 939                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
 940                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
 941                 dwTemp = (DWORD) joy_advaxisv.value;
 942                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
 943                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
 944         }
 945
 946         // compute the axes to collect from DirectInput
 947         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
 948         for (i = 0; i < JOY_MAX_AXES; i++)
 949         {
 950                 if (dwAxisMap[i] != AxisNada)
 951                 {
 952                         joy_flags |= dwAxisFlags[i];
 953                 }
 954         }
 955 }
 956
 957
 958 /*
 959 ===========
 960 IN_Commands
 961 ===========
 962 */
 963 void IN_Commands (void)
 964 {
 965         int             i, key_index;
 966         DWORD   buttonstate, povstate;
 967
 968         if (!joy_avail)
 969         {
 970                 return;
 971         }
 972
 973
 974         // loop through the joystick buttons
 975         // key a joystick event or auxillary event for higher number buttons for each state change
 976         buttonstate = ji.dwButtons;
 977         for (i=0 ; i < joy_numbuttons ; i++)
 978         {
 979                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
 980                 {
 981                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 982                         Key_Event (key_index + i, true);
 983                 }
 984
 985                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
 986                 {
 987                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 988                         Key_Event (key_index + i, false);
 989                 }
 990         }
 991         joy_oldbuttonstate = buttonstate;
 992
 993         if (joy_haspov)
 994         {
 995                 // convert POV information into 4 bits of state information
 996                 // this avoids any potential problems related to moving from one
 997                 // direction to another without going through the center position
 998                 povstate = 0;
 999                 if(ji.dwPOV != JOY_POVCENTERED)
1000                 {
1001                         if (ji.dwPOV == JOY_POVFORWARD)
1002                                 povstate |= 0x01;
1003                         if (ji.dwPOV == JOY_POVRIGHT)
1004                                 povstate |= 0x02;
1005                         if (ji.dwPOV == JOY_POVBACKWARD)
1006                                 povstate |= 0x04;
1007                         if (ji.dwPOV == JOY_POVLEFT)
1008                                 povstate |= 0x08;
1009                 }
1010                 // determine which bits have changed and key an auxillary event for each change
1011                 for (i=0 ; i < 4 ; i++)
1012                 {
1013                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1014                         {
1015                                 Key_Event (K_AUX29 + i, true);
1016                         }
1017
1018                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1019                         {
1020                                 Key_Event (K_AUX29 + i, false);
1021                         }
1022                 }
1023                 joy_oldpovstate = povstate;
1024         }
1025 }
1026
1027
1028 /*
1029 ===============
1030 IN_ReadJoystick
1031 ===============
1032 */
1033 qboolean IN_ReadJoystick (void)
1034 {
1035
1036         memset (&ji, 0, sizeof(ji));
1037         ji.dwSize = sizeof(ji);
1038         ji.dwFlags = joy_flags;
1039
1040         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1041         {
1042                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1043                 // rather than having 32768 be the zero point, they have the zero point at 32668
1044                 // go figure -- anyway, now we get the full resolution out of the device
1045                 if (joy_wwhack1.value != 0.0)
1046                 {
1047                         ji.dwUpos += 100;
1048                 }
1049                 return true;
1050         }
1051         else
1052         {
1053                 // read error occurred
1054                 // turning off the joystick seems too harsh for 1 read error,\
1055                 // but what should be done?
1056                 // Con_Printf ("IN_ReadJoystick: no response\n");
1057                 // joy_avail = false;
1058                 return false;
1059         }
1060 }
1061
1062
1063 /*
1064 ===========
1065 IN_JoyMove
1066 ===========
1067 */
1068 void IN_JoyMove (usercmd_t *cmd)
1069 {
1070         float   speed, aspeed;
1071         float   fAxisValue, fTemp;
1072         int             i;
1073
1074         // complete initialization if first time in
1075         // this is needed as cvars are not available at initialization time
1076         if( joy_advancedinit != true )
1077         {
1078                 Joy_AdvancedUpdate_f();
1079                 joy_advancedinit = true;
1080         }
1081
1082         // verify joystick is available and that the user wants to use it
1083         if (!joy_avail || !in_joystick.value)
1084         {
1085                 return;
1086         }
1087
1088         // collect the joystick data, if possible
1089         if (IN_ReadJoystick () != true)
1090         {
1091                 return;
1092         }
1093
1094         if (in_speed.state & 1)
1095                 speed = cl_movespeedkey.value;
1096         else
1097                 speed = 1;
1098         aspeed = speed * host_frametime;
1099
1100         // loop through the axes
1101         for (i = 0; i < JOY_MAX_AXES; i++)
1102         {
1103                 // get the floating point zero-centered, potentially-inverted data for the current axis
1104                 fAxisValue = (float) *pdwRawValue[i];
1105                 // move centerpoint to zero
1106                 fAxisValue -= 32768.0;
1107
1108                 if (joy_wwhack2.value != 0.0)
1109                 {
1110                         if (dwAxisMap[i] == AxisTurn)
1111                         {
1112                                 // this is a special formula for the Logitech WingMan Warrior
1113                                 // y=ax^b; where a = 300 and b = 1.3
1114                                 // also x values are in increments of 800 (so this is factored out)
1115                                 // then bounds check result to level out excessively high spin rates
1116                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1117                                 if (fTemp > 14000.0)
1118                                         fTemp = 14000.0;
1119                                 // restore direction information
1120                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1121                         }
1122                 }
1123
1124                 // convert range from -32768..32767 to -1..1
1125                 fAxisValue /= 32768.0;
1126
1127                 switch (dwAxisMap[i])
1128                 {
1129                 case AxisForward:
1130                         if ((joy_advanced.value == 0.0) && (in_mlook.state & 1))
1131                         {
1132                                 // user wants forward control to become look control
1133                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1134                                 {
1135                                         // if mouse invert is on, invert the joystick pitch value
1136                                         // only absolute control support here (joy_advanced is false)
1137                                         if (m_pitch.value < 0.0)
1138                                         {
1139                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1140                                         }
1141                                         else
1142                                         {
1143                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1144                                         }
1145                                         V_StopPitchDrift();
1146                                 }
1147                                 else
1148                                 {
1149                                         // no pitch movement
1150                                         // disable pitch return-to-center unless requested by user
1151                                         // *** this code can be removed when the lookspring bug is fixed
1152                                         // *** the bug always has the lookspring feature on
1153                                         if(lookspring.value == 0.0)
1154                                                 V_StopPitchDrift();
1155                                 }
1156                         }
1157                         else
1158                         {
1159                                 // user wants forward control to be forward control
1160                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1161                                 {
1162                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1163                                 }
1164                         }
1165                         break;
1166
1167                 case AxisSide:
1168                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1169                         {
1170                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1171                         }
1172                         break;
1173
1174                 case AxisTurn:
1175                         if ((in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1)))
1176                         {
1177                                 // user wants turn control to become side control
1178                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1179                                 {
1180                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1181                                 }
1182                         }
1183                         else
1184                         {
1185                                 // user wants turn control to be turn control
1186                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1187                                 {
1188                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1189                                         {
1190                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1191                                         }
1192                                         else
1193                                         {
1194                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1195                                         }
1196
1197                                 }
1198                         }
1199                         break;
1200
1201                 case AxisLook:
1202                         if (in_mlook.state & 1)
1203                         {
1204                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1205                                 {
1206                                         // pitch movement detected and pitch movement desired by user
1207                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1208                                         {
1209                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1210                                         }
1211                                         else
1212                                         {
1213                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1214                                         }
1215                                         V_StopPitchDrift();
1216                                 }
1217                                 else
1218                                 {
1219                                         // no pitch movement
1220                                         // disable pitch return-to-center unless requested by user
1221                                         // *** this code can be removed when the lookspring bug is fixed
1222                                         // *** the bug always has the lookspring feature on
1223                                         if(lookspring.value == 0.0)
1224                                                 V_StopPitchDrift();
1225                                 }
1226                         }
1227                         break;
1228
1229                 default:
1230                         break;
1231                 }
1232         }
1233
1234         // bounds check pitch
1235         if (cl.viewangles[PITCH] > 80.0)
1236                 cl.viewangles[PITCH] = 80.0;
1237         if (cl.viewangles[PITCH] < -70.0)
1238                 cl.viewangles[PITCH] = -70.0;
1239 }