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         if ( COM_CheckParm ("-nomouse") )
 426                 return;
 427
 428         mouseinitialized = true;
 429
 430         if (COM_CheckParm ("-dinput"))
 431         {
 432                 dinput = IN_InitDInput ();
 433
 434                 if (dinput)
 435                 {
 436                         Con_SafePrintf ("DirectInput initialized\n");
 437                 }
 438                 else
 439                 {
 440                         Con_SafePrintf ("DirectInput not initialized\n");
 441                 }
 442         }
 443
 444         if (!dinput)
 445         {
 446                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
 447
 448                 if (mouseparmsvalid)
 449                 {
 450                         if ( COM_CheckParm ("-noforcemspd") )
 451                                 newmouseparms[2] = originalmouseparms[2];
 452
 453                         if ( COM_CheckParm ("-noforcemaccel") )
 454                         {
 455                                 newmouseparms[0] = originalmouseparms[0];
 456                                 newmouseparms[1] = originalmouseparms[1];
 457                         }
 458
 459                         if ( COM_CheckParm ("-noforcemparms") )
 460                         {
 461                                 newmouseparms[0] = originalmouseparms[0];
 462                                 newmouseparms[1] = originalmouseparms[1];
 463                                 newmouseparms[2] = originalmouseparms[2];
 464                         }
 465                 }
 466         }
 467
 468         mouse_buttons = 3;
 469
 470 // if a fullscreen video mode was set before the mouse was initialized,
 471 // set the mouse state appropriately
 472         if (mouseactivatetoggle)
 473                 IN_ActivateMouse ();
 474 }
 475
 476
 477 /*
 478 ===========
 479 IN_Init
 480 ===========
 481 */
 482 void IN_Init (void)
 483 {
 484         // mouse variables
 485         Cvar_RegisterVariable (&m_filter);
 486
 487         // joystick variables
 488         Cvar_RegisterVariable (&in_joystick);
 489         Cvar_RegisterVariable (&joy_name);
 490         Cvar_RegisterVariable (&joy_advanced);
 491         Cvar_RegisterVariable (&joy_advaxisx);
 492         Cvar_RegisterVariable (&joy_advaxisy);
 493         Cvar_RegisterVariable (&joy_advaxisz);
 494         Cvar_RegisterVariable (&joy_advaxisr);
 495         Cvar_RegisterVariable (&joy_advaxisu);
 496         Cvar_RegisterVariable (&joy_advaxisv);
 497         Cvar_RegisterVariable (&joy_forwardthreshold);
 498         Cvar_RegisterVariable (&joy_sidethreshold);
 499         Cvar_RegisterVariable (&joy_pitchthreshold);
 500         Cvar_RegisterVariable (&joy_yawthreshold);
 501         Cvar_RegisterVariable (&joy_forwardsensitivity);
 502         Cvar_RegisterVariable (&joy_sidesensitivity);
 503         Cvar_RegisterVariable (&joy_pitchsensitivity);
 504         Cvar_RegisterVariable (&joy_yawsensitivity);
 505         Cvar_RegisterVariable (&joy_wwhack1);
 506         Cvar_RegisterVariable (&joy_wwhack2);
 507
 508         Cmd_AddCommand ("force_centerview", Force_CenterView_f);
 509         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
 510
 511         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
 512
 513         IN_StartupMouse ();
 514         IN_StartupJoystick ();
 515 }
 516
 517 /*
 518 ===========
 519 IN_Shutdown
 520 ===========
 521 */
 522 void IN_Shutdown (void)
 523 {
 524
 525         IN_DeactivateMouse ();
 526         IN_ShowMouse ();
 527
 528     if (g_pMouse)
 529         {
 530                 IDirectInputDevice_Release(g_pMouse);
 531                 g_pMouse = NULL;
 532         }
 533
 534     if (g_pdi)
 535         {
 536                 IDirectInput_Release(g_pdi);
 537                 g_pdi = NULL;
 538         }
 539 }
 540
 541
 542 /*
 543 ===========
 544 IN_MouseEvent
 545 ===========
 546 */
 547 void IN_MouseEvent (int mstate)
 548 {
 549         int     i;
 550
 551         if (mouseactive && !dinput)
 552         {
 553         // perform button actions
 554                 for (i=0 ; i<mouse_buttons ; i++)
 555                 {
 556                         if ( (mstate & (1<<i)) &&
 557                                 !(mouse_oldbuttonstate & (1<<i)) )
 558                         {
 559                                 Key_Event (K_MOUSE1 + i, true);
 560                         }
 561
 562                         if ( !(mstate & (1<<i)) &&
 563                                 (mouse_oldbuttonstate & (1<<i)) )
 564                         {
 565                                 Key_Event (K_MOUSE1 + i, false);
 566                         }
 567                 }
 568
 569                 mouse_oldbuttonstate = mstate;
 570         }
 571 }
 572
 573
 574 /*
 575 ===========
 576 IN_MouseMove
 577 ===========
 578 */
 579 void IN_MouseMove (usercmd_t *cmd)
 580 {
 581         int                                     mx, my;
 582         int                                     i;
 583         DIDEVICEOBJECTDATA      od;
 584         DWORD                           dwElements;
 585         HRESULT                         hr;
 586
 587         if (!mouseactive)
 588                 return;
 589
 590         if (dinput)
 591         {
 592                 mx = 0;
 593                 my = 0;
 594
 595                 for (;;)
 596                 {
 597                         dwElements = 1;
 598
 599                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
 600                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
 601
 602                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
 603                         {
 604                                 dinput_acquired = true;
 605                                 IDirectInputDevice_Acquire(g_pMouse);
 606                                 break;
 607                         }
 608
 609                         /* Unable to read data or no data available */
 610                         if (FAILED(hr) || dwElements == 0)
 611                         {
 612                                 break;
 613                         }
 614
 615                         /* Look at the element to see what happened */
 616
 617                         switch (od.dwOfs)
 618                         {
 619                                 case DIMOFS_X:
 620                                         mx += od.dwData;
 621                                         break;
 622
 623                                 case DIMOFS_Y:
 624                                         my += od.dwData;
 625                                         break;
 626
 627                                 case DIMOFS_BUTTON0:
 628                                         if (od.dwData & 0x80)
 629                                                 mstate_di |= 1;
 630                                         else
 631                                                 mstate_di &= ~1;
 632                                         break;
 633
 634                                 case DIMOFS_BUTTON1:
 635                                         if (od.dwData & 0x80)
 636                                                 mstate_di |= (1<<1);
 637                                         else
 638                                                 mstate_di &= ~(1<<1);
 639                                         break;
 640
 641                                 case DIMOFS_BUTTON2:
 642                                         if (od.dwData & 0x80)
 643                                                 mstate_di |= (1<<2);
 644                                         else
 645                                                 mstate_di &= ~(1<<2);
 646                                         break;
 647                         }
 648                 }
 649
 650         // perform button actions
 651                 for (i=0 ; i<mouse_buttons ; i++)
 652                 {
 653                         if ( (mstate_di & (1<<i)) &&
 654                                 !(mouse_oldbuttonstate & (1<<i)) )
 655                         {
 656                                 Key_Event (K_MOUSE1 + i, true);
 657                         }
 658
 659                         if ( !(mstate_di & (1<<i)) &&
 660                                 (mouse_oldbuttonstate & (1<<i)) )
 661                         {
 662                                 Key_Event (K_MOUSE1 + i, false);
 663                         }
 664                 }
 665
 666                 mouse_oldbuttonstate = mstate_di;
 667         }
 668         else
 669         {
 670                 GetCursorPos (&current_pos);
 671                 mx = current_pos.x - window_center_x + mx_accum;
 672                 my = current_pos.y - window_center_y + my_accum;
 673                 mx_accum = 0;
 674                 my_accum = 0;
 675         }
 676
 677 //if (mx ||  my)
 678 //      Con_DPrintf("mx=%d, my=%d\n", mx, my);
 679
 680         if (m_filter.value)
 681         {
 682                 mouse_x = (mx + old_mouse_x) * 0.5;
 683                 mouse_y = (my + old_mouse_y) * 0.5;
 684         }
 685         else
 686         {
 687                 mouse_x = mx;
 688                 mouse_y = my;
 689         }
 690
 691         old_mouse_x = mx;
 692         old_mouse_y = my;
 693
 694         mouse_x *= sensitivity.value;
 695         mouse_y *= sensitivity.value;
 696
 697 // add mouse X/Y movement to cmd
 698         if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
 699                 cmd->sidemove += m_side.value * mouse_x;
 700         else
 701                 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
 702
 703         if (in_mlook.state & 1)
 704                 V_StopPitchDrift ();
 705
 706         // LordHavoc: changed limits on pitch from -70 to 80, to -90 to 90
 707         if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
 708         {
 709                 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
 710                 if (cl.viewangles[PITCH] > 90)
 711                         cl.viewangles[PITCH] = 90;
 712                 if (cl.viewangles[PITCH] < -90)
 713                         cl.viewangles[PITCH] = -90;
 714         }
 715         else
 716         {
 717                 if ((in_strafe.state & 1) && noclip_anglehack)
 718                         cmd->upmove -= m_forward.value * mouse_y;
 719                 else
 720                         cmd->forwardmove -= m_forward.value * mouse_y;
 721         }
 722
 723 // if the mouse has moved, force it to the center, so there's room to move
 724         if (mx || my)
 725         {
 726                 SetCursorPos (window_center_x, window_center_y);
 727         }
 728 }
 729
 730
 731 /*
 732 ===========
 733 IN_Move
 734 ===========
 735 */
 736 void IN_Move (usercmd_t *cmd)
 737 {
 738
 739         if (ActiveApp && !Minimized)
 740         {
 741                 IN_MouseMove (cmd);
 742                 IN_JoyMove (cmd);
 743         }
 744 }
 745
 746
 747 /*
 748 ===========
 749 IN_Accumulate
 750 ===========
 751 */
 752 void IN_Accumulate (void)
 753 {
 754         if (mouseactive)
 755         {
 756                 if (!dinput)
 757                 {
 758                         GetCursorPos (&current_pos);
 759
 760                         mx_accum += current_pos.x - window_center_x;
 761                         my_accum += current_pos.y - window_center_y;
 762
 763                 // force the mouse to the center, so there's room to move
 764                         SetCursorPos (window_center_x, window_center_y);
 765                 }
 766         }
 767 }
 768
 769
 770 /*
 771 ===================
 772 IN_ClearStates
 773 ===================
 774 */
 775 void IN_ClearStates (void)
 776 {
 777
 778         if (mouseactive)
 779         {
 780                 mx_accum = 0;
 781                 my_accum = 0;
 782                 mouse_oldbuttonstate = 0;
 783         }
 784 }
 785
 786
 787 /*
 788 ===============
 789 IN_StartupJoystick
 790 ===============
 791 */
 792 void IN_StartupJoystick (void)
 793 {
 794         int                     numdevs;
 795         JOYCAPS         jc;
 796         MMRESULT        mmr;
 797
 798         // assume no joystick
 799         joy_avail = false;
 800
 801         // abort startup if user requests no joystick
 802         if ( COM_CheckParm ("-nojoy") )
 803                 return;
 804
 805         // verify joystick driver is present
 806         if ((numdevs = joyGetNumDevs ()) == 0)
 807         {
 808                 Con_Printf ("\njoystick not found -- driver not present\n\n");
 809                 return;
 810         }
 811
 812         // cycle through the joystick ids for the first valid one
 813         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
 814         {
 815                 memset (&ji, 0, sizeof(ji));
 816                 ji.dwSize = sizeof(ji);
 817                 ji.dwFlags = JOY_RETURNCENTERED;
 818
 819                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
 820                         break;
 821         }
 822
 823         // abort startup if we didn't find a valid joystick
 824         if (mmr != JOYERR_NOERROR)
 825         {
 826                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
 827                 return;
 828         }
 829
 830         // get the capabilities of the selected joystick
 831         // abort startup if command fails
 832         memset (&jc, 0, sizeof(jc));
 833         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
 834         {
 835                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
 836                 return;
 837         }
 838
 839         // save the joystick's number of buttons and POV status
 840         joy_numbuttons = jc.wNumButtons;
 841         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
 842
 843         // old button and POV states default to no buttons pressed
 844         joy_oldbuttonstate = joy_oldpovstate = 0;
 845
 846         // mark the joystick as available and advanced initialization not completed
 847         // this is needed as cvars are not available during initialization
 848
 849         joy_avail = true;
 850         joy_advancedinit = false;
 851
 852         Con_Printf ("\njoystick detected\n\n");
 853 }
 854
 855
 856 /*
 857 ===========
 858 RawValuePointer
 859 ===========
 860 */
 861 PDWORD RawValuePointer (int axis)
 862 {
 863         switch (axis)
 864         {
 865         case JOY_AXIS_X:
 866                 return &ji.dwXpos;
 867         case JOY_AXIS_Y:
 868                 return &ji.dwYpos;
 869         case JOY_AXIS_Z:
 870                 return &ji.dwZpos;
 871         case JOY_AXIS_R:
 872                 return &ji.dwRpos;
 873         case JOY_AXIS_U:
 874                 return &ji.dwUpos;
 875         case JOY_AXIS_V:
 876                 return &ji.dwVpos;
 877         }
 878         return NULL; // LordHavoc: hush compiler warning
 879 }
 880
 881
 882 /*
 883 ===========
 884 Joy_AdvancedUpdate_f
 885 ===========
 886 */
 887 void Joy_AdvancedUpdate_f (void)
 888 {
 889
 890         // called once by IN_ReadJoystick and by user whenever an update is needed
 891         // cvars are now available
 892         int     i;
 893         DWORD dwTemp;
 894
 895         // initialize all the maps
 896         for (i = 0; i < JOY_MAX_AXES; i++)
 897         {
 898                 dwAxisMap[i] = AxisNada;
 899                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
 900                 pdwRawValue[i] = RawValuePointer(i);
 901         }
 902
 903         if( joy_advanced.value == 0.0)
 904         {
 905                 // default joystick initialization
 906                 // 2 axes only with joystick control
 907                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
 908                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
 909                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
 910                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
 911         }
 912         else
 913         {
 914                 if (strcmp (joy_name.string, "joystick") != 0)
 915                 {
 916                         // notify user of advanced controller
 917                         Con_Printf ("\n%s configured\n\n", joy_name.string);
 918                 }
 919
 920                 // advanced initialization here
 921                 // data supplied by user via joy_axisn cvars
 922                 dwTemp = (DWORD) joy_advaxisx.value;
 923                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
 924                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
 925                 dwTemp = (DWORD) joy_advaxisy.value;
 926                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
 927                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
 928                 dwTemp = (DWORD) joy_advaxisz.value;
 929                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
 930                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
 931                 dwTemp = (DWORD) joy_advaxisr.value;
 932                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
 933                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
 934                 dwTemp = (DWORD) joy_advaxisu.value;
 935                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
 936                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
 937                 dwTemp = (DWORD) joy_advaxisv.value;
 938                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
 939                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
 940         }
 941
 942         // compute the axes to collect from DirectInput
 943         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
 944         for (i = 0; i < JOY_MAX_AXES; i++)
 945         {
 946                 if (dwAxisMap[i] != AxisNada)
 947                 {
 948                         joy_flags |= dwAxisFlags[i];
 949                 }
 950         }
 951 }
 952
 953
 954 /*
 955 ===========
 956 IN_Commands
 957 ===========
 958 */
 959 void IN_Commands (void)
 960 {
 961         int             i, key_index;
 962         DWORD   buttonstate, povstate;
 963
 964         if (!joy_avail)
 965         {
 966                 return;
 967         }
 968
 969
 970         // loop through the joystick buttons
 971         // key a joystick event or auxillary event for higher number buttons for each state change
 972         buttonstate = ji.dwButtons;
 973         for (i=0 ; i < (int) joy_numbuttons ; i++)
 974         {
 975                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
 976                 {
 977                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 978                         Key_Event (key_index + i, true);
 979                 }
 980
 981                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
 982                 {
 983                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 984                         Key_Event (key_index + i, false);
 985                 }
 986         }
 987         joy_oldbuttonstate = buttonstate;
 988
 989         if (joy_haspov)
 990         {
 991                 // convert POV information into 4 bits of state information
 992                 // this avoids any potential problems related to moving from one
 993                 // direction to another without going through the center position
 994                 povstate = 0;
 995                 if(ji.dwPOV != JOY_POVCENTERED)
 996                 {
 997                         if (ji.dwPOV == JOY_POVFORWARD)
 998                                 povstate |= 0x01;
 999                         if (ji.dwPOV == JOY_POVRIGHT)
1000                                 povstate |= 0x02;
1001                         if (ji.dwPOV == JOY_POVBACKWARD)
1002                                 povstate |= 0x04;
1003                         if (ji.dwPOV == JOY_POVLEFT)
1004                                 povstate |= 0x08;
1005                 }
1006                 // determine which bits have changed and key an auxillary event for each change
1007                 for (i=0 ; i < 4 ; i++)
1008                 {
1009                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1010                         {
1011                                 Key_Event (K_AUX29 + i, true);
1012                         }
1013
1014                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1015                         {
1016                                 Key_Event (K_AUX29 + i, false);
1017                         }
1018                 }
1019                 joy_oldpovstate = povstate;
1020         }
1021 }
1022
1023
1024 /*
1025 ===============
1026 IN_ReadJoystick
1027 ===============
1028 */
1029 qboolean IN_ReadJoystick (void)
1030 {
1031
1032         memset (&ji, 0, sizeof(ji));
1033         ji.dwSize = sizeof(ji);
1034         ji.dwFlags = joy_flags;
1035
1036         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1037         {
1038                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1039                 // rather than having 32768 be the zero point, they have the zero point at 32668
1040                 // go figure -- anyway, now we get the full resolution out of the device
1041                 if (joy_wwhack1.value != 0.0)
1042                 {
1043                         ji.dwUpos += 100;
1044                 }
1045                 return true;
1046         }
1047         else
1048         {
1049                 // read error occurred
1050                 // turning off the joystick seems too harsh for 1 read error,\
1051                 // but what should be done?
1052                 // Con_Printf ("IN_ReadJoystick: no response\n");
1053                 // joy_avail = false;
1054                 return false;
1055         }
1056 }
1057
1058
1059 /*
1060 ===========
1061 IN_JoyMove
1062 ===========
1063 */
1064 void IN_JoyMove (usercmd_t *cmd)
1065 {
1066         float   speed, aspeed;
1067         float   fAxisValue, fTemp;
1068         int             i;
1069
1070         // complete initialization if first time in
1071         // this is needed as cvars are not available at initialization time
1072         if( joy_advancedinit != true )
1073         {
1074                 Joy_AdvancedUpdate_f();
1075                 joy_advancedinit = true;
1076         }
1077
1078         // verify joystick is available and that the user wants to use it
1079         if (!joy_avail || !in_joystick.value)
1080         {
1081                 return;
1082         }
1083
1084         // collect the joystick data, if possible
1085         if (IN_ReadJoystick () != true)
1086         {
1087                 return;
1088         }
1089
1090         if (in_speed.state & 1)
1091                 speed = cl_movespeedkey.value;
1092         else
1093                 speed = 1;
1094         aspeed = speed * host_realframetime;
1095
1096         // loop through the axes
1097         for (i = 0; i < JOY_MAX_AXES; i++)
1098         {
1099                 // get the floating point zero-centered, potentially-inverted data for the current axis
1100                 fAxisValue = (float) *pdwRawValue[i];
1101                 // move centerpoint to zero
1102                 fAxisValue -= 32768.0;
1103
1104                 if (joy_wwhack2.value != 0.0)
1105                 {
1106                         if (dwAxisMap[i] == AxisTurn)
1107                         {
1108                                 // this is a special formula for the Logitech WingMan Warrior
1109                                 // y=ax^b; where a = 300 and b = 1.3
1110                                 // also x values are in increments of 800 (so this is factored out)
1111                                 // then bounds check result to level out excessively high spin rates
1112                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1113                                 if (fTemp > 14000.0)
1114                                         fTemp = 14000.0;
1115                                 // restore direction information
1116                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1117                         }
1118                 }
1119
1120                 // convert range from -32768..32767 to -1..1
1121                 fAxisValue /= 32768.0;
1122
1123                 switch (dwAxisMap[i])
1124                 {
1125                 case AxisForward:
1126                         if ((joy_advanced.value == 0.0) && (in_mlook.state & 1))
1127                         {
1128                                 // user wants forward control to become look control
1129                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1130                                 {
1131                                         // if mouse invert is on, invert the joystick pitch value
1132                                         // only absolute control support here (joy_advanced is false)
1133                                         if (m_pitch.value < 0.0)
1134                                         {
1135                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1136                                         }
1137                                         else
1138                                         {
1139                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1140                                         }
1141                                         V_StopPitchDrift();
1142                                 }
1143                                 else
1144                                 {
1145                                         // no pitch movement
1146                                         // disable pitch return-to-center unless requested by user
1147                                         // *** this code can be removed when the lookspring bug is fixed
1148                                         // *** the bug always has the lookspring feature on
1149                                         if(lookspring.value == 0.0)
1150                                                 V_StopPitchDrift();
1151                                 }
1152                         }
1153                         else
1154                         {
1155                                 // user wants forward control to be forward control
1156                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1157                                 {
1158                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1159                                 }
1160                         }
1161                         break;
1162
1163                 case AxisSide:
1164                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1165                         {
1166                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1167                         }
1168                         break;
1169
1170                 case AxisTurn:
1171                         if ((in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1)))
1172                         {
1173                                 // user wants turn control to become side control
1174                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1175                                 {
1176                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1177                                 }
1178                         }
1179                         else
1180                         {
1181                                 // user wants turn control to be turn control
1182                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1183                                 {
1184                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1185                                         {
1186                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1187                                         }
1188                                         else
1189                                         {
1190                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1191                                         }
1192
1193                                 }
1194                         }
1195                         break;
1196
1197                 case AxisLook:
1198                         if (in_mlook.state & 1)
1199                         {
1200                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1201                                 {
1202                                         // pitch movement detected and pitch movement desired by user
1203                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1204                                         {
1205                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1206                                         }
1207                                         else
1208                                         {
1209                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1210                                         }
1211                                         V_StopPitchDrift();
1212                                 }
1213                                 else
1214                                 {
1215                                         // no pitch movement
1216                                         // disable pitch return-to-center unless requested by user
1217                                         // *** this code can be removed when the lookspring bug is fixed
1218                                         // *** the bug always has the lookspring feature on
1219                                         if(lookspring.value == 0.0)
1220                                                 V_StopPitchDrift();
1221                                 }
1222                         }
1223                         break;
1224
1225                 default:
1226                         break;
1227                 }
1228         }
1229
1230         // bounds check pitch
1231         if (cl.viewangles[PITCH] > 80.0)
1232                 cl.viewangles[PITCH] = 80.0;
1233         if (cl.viewangles[PITCH] < -70.0)
1234                 cl.viewangles[PITCH] = -70.0;
1235 }