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