in_win.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // in_win.c -- windows 95 mouse and joystick code
  21 // 02/21/97 JCB Added extended DirectInput code to support external controllers.
  22
  23 #include "quakedef.h"
  24 #include "winquake.h"
  25 //#include "dosisms.h"
  26
  27 #include <dinput.h>
  28
  29 #define DINPUT_BUFFERSIZE           16
  30 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
  31
  32 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
  33         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
  34
  35 // mouse variables
  36 cvar_t  m_filter = {"m_filter","0"};
  37
  38 int                     mouse_buttons;
  39 int                     mouse_oldbuttonstate;
  40 POINT           current_pos;
  41 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
  42
  43 static qboolean restore_spi;
  44 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
  45
  46 unsigned int uiWheelMessage;
  47 qboolean        mouseactive;
  48 qboolean                mouseinitialized;
  49 static qboolean mouseparmsvalid, mouseactivatetoggle;
  50 static qboolean mouseshowtoggle = 1;
  51 static qboolean dinput_acquired;
  52
  53 static unsigned int             mstate_di;
  54
  55 // joystick defines and variables
  56 // where should defines be moved?
  57 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
  58 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
  59 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
  60 #define JOY_AXIS_X                      0
  61 #define JOY_AXIS_Y                      1
  62 #define JOY_AXIS_Z                      2
  63 #define JOY_AXIS_R                      3
  64 #define JOY_AXIS_U                      4
  65 #define JOY_AXIS_V                      5
  66
  67 enum _ControlList
  68 {
  69         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
  70 };
  71
  72 DWORD   dwAxisFlags[JOY_MAX_AXES] =
  73 {
  74         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
  75 };
  76
  77 DWORD   dwAxisMap[JOY_MAX_AXES];
  78 DWORD   dwControlMap[JOY_MAX_AXES];
  79 PDWORD  pdwRawValue[JOY_MAX_AXES];
  80
  81 // none of these cvars are saved over a session
  82 // this means that advanced controller configuration needs to be executed
  83 // each time.  this avoids any problems with getting back to a default usage
  84 // or when changing from one controller to another.  this way at least something
  85 // works.
  86 cvar_t  in_joystick = {"joystick","0", true};
  87 cvar_t  joy_name = {"joyname", "joystick"};
  88 cvar_t  joy_advanced = {"joyadvanced", "0"};
  89 cvar_t  joy_advaxisx = {"joyadvaxisx", "0"};
  90 cvar_t  joy_advaxisy = {"joyadvaxisy", "0"};
  91 cvar_t  joy_advaxisz = {"joyadvaxisz", "0"};
  92 cvar_t  joy_advaxisr = {"joyadvaxisr", "0"};
  93 cvar_t  joy_advaxisu = {"joyadvaxisu", "0"};
  94 cvar_t  joy_advaxisv = {"joyadvaxisv", "0"};
  95 cvar_t  joy_forwardthreshold = {"joyforwardthreshold", "0.15"};
  96 cvar_t  joy_sidethreshold = {"joysidethreshold", "0.15"};
  97 cvar_t  joy_pitchthreshold = {"joypitchthreshold", "0.15"};
  98 cvar_t  joy_yawthreshold = {"joyyawthreshold", "0.15"};
  99 cvar_t  joy_forwardsensitivity = {"joyforwardsensitivity", "-1.0"};
 100 cvar_t  joy_sidesensitivity = {"joysidesensitivity", "-1.0"};
 101 cvar_t  joy_pitchsensitivity = {"joypitchsensitivity", "1.0"};
 102 cvar_t  joy_yawsensitivity = {"joyyawsensitivity", "-1.0"};
 103 cvar_t  joy_wwhack1 = {"joywwhack1", "0.0"};
 104 cvar_t  joy_wwhack2 = {"joywwhack2", "0.0"};
 105
 106 qboolean        joy_avail, joy_advancedinit, joy_haspov;
 107 DWORD           joy_oldbuttonstate, joy_oldpovstate;
 108
 109 int                     joy_id;
 110 DWORD           joy_flags;
 111 DWORD           joy_numbuttons;
 112
 113 static LPDIRECTINPUT            g_pdi;
 114 static LPDIRECTINPUTDEVICE      g_pMouse;
 115
 116 static JOYINFOEX        ji;
 117
 118 static HINSTANCE hInstDI;
 119
 120 static qboolean dinput;
 121
 122 typedef struct MYDATA {
 123         LONG  lX;                   // X axis goes here
 124         LONG  lY;                   // Y axis goes here
 125         LONG  lZ;                   // Z axis goes here
 126         BYTE  bButtonA;             // One button goes here
 127         BYTE  bButtonB;             // Another button goes here
 128         BYTE  bButtonC;             // Another button goes here
 129         BYTE  bButtonD;             // Another button goes here
 130 } MYDATA;
 131
 132 static DIOBJECTDATAFORMAT rgodf[] = {
 133   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 134   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 135   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 136   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 137   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 138   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 139   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 140 };
 141
 142 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 143
 144 static DIDATAFORMAT     df = {
 145         sizeof(DIDATAFORMAT),       // this structure
 146         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 147         DIDF_RELAXIS,               // absolute axis coordinates
 148         sizeof(MYDATA),             // device data size
 149         NUM_OBJECTS,                // number of objects
 150         rgodf,                      // and here they are
 151 };
 152
 153 // forward-referenced functions
 154 void IN_StartupJoystick (void);
 155 void Joy_AdvancedUpdate_f (void);
 156 void IN_JoyMove (usercmd_t *cmd);
 157
 158
 159 /*
 160 ===========
 161 Force_CenterView_f
 162 ===========
 163 */
 164 void Force_CenterView_f (void)
 165 {
 166         cl.viewangles[PITCH] = 0;
 167 }
 168
 169
 170 /*
 171 ===========
 172 IN_UpdateClipCursor
 173 ===========
 174 */
 175 void IN_UpdateClipCursor (void)
 176 {
 177
 178         if (mouseinitialized && mouseactive && !dinput)
 179         {
 180                 ClipCursor (&window_rect);
 181         }
 182 }
 183
 184
 185 /*
 186 ===========
 187 IN_ShowMouse
 188 ===========
 189 */
 190 void IN_ShowMouse (void)
 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         if (mouseshowtoggle)
 208         {
 209                 ShowCursor (false);
 210                 mouseshowtoggle = 0;
 211         }
 212 }
 213
 214
 215 /*
 216 ===========
 217 IN_ActivateMouse
 218 ===========
 219 */
 220 void IN_ActivateMouse (void)
 221 {
 222
 223         mouseactivatetoggle = true;
 224
 225         if (mouseinitialized)
 226         {
 227                 if (dinput)
 228                 {
 229                         if (g_pMouse)
 230                         {
 231                                 if (!dinput_acquired)
 232                                 {
 233                                         IDirectInputDevice_Acquire(g_pMouse);
 234                                         dinput_acquired = true;
 235                                 }
 236                         }
 237                         else
 238                         {
 239                                 return;
 240                         }
 241                 }
 242                 else
 243                 {
 244                         if (mouseparmsvalid)
 245                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
 246
 247                         SetCursorPos (window_center_x, window_center_y);
 248                         SetCapture (mainwindow);
 249                         ClipCursor (&window_rect);
 250
 251                 }
 252
 253                 mouseactive = true;
 254         }
 255 }
 256
 257
 258 /*
 259 ===========
 260 IN_DeactivateMouse
 261 ===========
 262 */
 263 void IN_DeactivateMouse (void)
 264 {
 265
 266         mouseactivatetoggle = false;
 267
 268         if (mouseinitialized)
 269         {
 270                 if (dinput)
 271                 {
 272                         if (g_pMouse)
 273                         {
 274                                 if (dinput_acquired)
 275                                 {
 276                                         IDirectInputDevice_Unacquire(g_pMouse);
 277                                         dinput_acquired = false;
 278                                 }
 279                         }
 280                 }
 281                 else
 282                 {
 283                         if (restore_spi)
 284                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
 285
 286                         ClipCursor (NULL);
 287                         ReleaseCapture ();
 288                 }
 289
 290                 mouseactive = false;
 291         }
 292 }
 293
 294
 295 /*
 296 ===========
 297 IN_InitDInput
 298 ===========
 299 */
 300 qboolean IN_InitDInput (void)
 301 {
 302     HRESULT             hr;
 303         DIPROPDWORD     dipdw = {
 304                 {
 305                         sizeof(DIPROPDWORD),        // diph.dwSize
 306                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
 307                         0,                          // diph.dwObj
 308                         DIPH_DEVICE,                // diph.dwHow
 309                 },
 310                 DINPUT_BUFFERSIZE,              // dwData
 311         };
 312
 313         if (!hInstDI)
 314         {
 315                 hInstDI = LoadLibrary("dinput.dll");
 316
 317                 if (hInstDI == NULL)
 318                 {
 319                         Con_SafePrintf ("Couldn't load dinput.dll\n");
 320                         return false;
 321                 }
 322         }
 323
 324         if (!pDirectInputCreate)
 325         {
 326                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
 327
 328                 if (!pDirectInputCreate)
 329                 {
 330                         Con_SafePrintf ("Couldn't get DI proc addr\n");
 331                         return false;
 332                 }
 333         }
 334
 335 // register with DirectInput and get an IDirectInput to play with.
 336         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
 337
 338         if (FAILED(hr))
 339         {
 340                 return false;
 341         }
 342
 343 // obtain an interface to the system mouse device.
 344         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
 345
 346         if (FAILED(hr))
 347         {
 348                 Con_SafePrintf ("Couldn't open DI mouse device\n");
 349                 return false;
 350         }
 351
 352 // set the data format to "mouse format".
 353         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
 354
 355         if (FAILED(hr))
 356         {
 357                 Con_SafePrintf ("Couldn't set DI mouse format\n");
 358                 return false;
 359         }
 360
 361 // set the cooperativity level.
 362         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
 363                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
 364
 365         if (FAILED(hr))
 366         {
 367                 Con_SafePrintf ("Couldn't set DI coop level\n");
 368                 return false;
 369         }
 370
 371
 372 // set the buffer size to DINPUT_BUFFERSIZE elements.
 373 // the buffer size is a DWORD property associated with the device
 374         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
 375
 376         if (FAILED(hr))
 377         {
 378                 Con_SafePrintf ("Couldn't set DI buffersize\n");
 379                 return false;
 380         }
 381
 382         return true;
 383 }
 384
 385
 386 /*
 387 ===========
 388 IN_StartupMouse
 389 ===========
 390 */
 391 void IN_StartupMouse (void)
 392 {
 393         if ( COM_CheckParm ("-nomouse") )
 394                 return;
 395
 396         mouseinitialized = true;
 397
 398         if (COM_CheckParm ("-dinput"))
 399         {
 400                 dinput = IN_InitDInput ();
 401
 402                 if (dinput)
 403                 {
 404                         Con_SafePrintf ("DirectInput initialized\n");
 405                 }
 406                 else
 407                 {
 408                         Con_SafePrintf ("DirectInput not initialized\n");
 409                 }
 410         }
 411
 412         if (!dinput)
 413         {
 414                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
 415
 416                 if (mouseparmsvalid)
 417                 {
 418                         if ( COM_CheckParm ("-noforcemspd") )
 419                                 newmouseparms[2] = originalmouseparms[2];
 420
 421                         if ( COM_CheckParm ("-noforcemaccel") )
 422                         {
 423                                 newmouseparms[0] = originalmouseparms[0];
 424                                 newmouseparms[1] = originalmouseparms[1];
 425                         }
 426
 427                         if ( COM_CheckParm ("-noforcemparms") )
 428                         {
 429                                 newmouseparms[0] = originalmouseparms[0];
 430                                 newmouseparms[1] = originalmouseparms[1];
 431                                 newmouseparms[2] = originalmouseparms[2];
 432                         }
 433                 }
 434         }
 435
 436         mouse_buttons = 3;
 437
 438 // if a fullscreen video mode was set before the mouse was initialized,
 439 // set the mouse state appropriately
 440         if (mouseactivatetoggle)
 441                 IN_ActivateMouse ();
 442 }
 443
 444
 445 /*
 446 ===========
 447 IN_Init
 448 ===========
 449 */
 450 void IN_Init (void)
 451 {
 452         // mouse variables
 453         Cvar_RegisterVariable (&m_filter);
 454
 455         // joystick variables
 456         Cvar_RegisterVariable (&in_joystick);
 457         Cvar_RegisterVariable (&joy_name);
 458         Cvar_RegisterVariable (&joy_advanced);
 459         Cvar_RegisterVariable (&joy_advaxisx);
 460         Cvar_RegisterVariable (&joy_advaxisy);
 461         Cvar_RegisterVariable (&joy_advaxisz);
 462         Cvar_RegisterVariable (&joy_advaxisr);
 463         Cvar_RegisterVariable (&joy_advaxisu);
 464         Cvar_RegisterVariable (&joy_advaxisv);
 465         Cvar_RegisterVariable (&joy_forwardthreshold);
 466         Cvar_RegisterVariable (&joy_sidethreshold);
 467         Cvar_RegisterVariable (&joy_pitchthreshold);
 468         Cvar_RegisterVariable (&joy_yawthreshold);
 469         Cvar_RegisterVariable (&joy_forwardsensitivity);
 470         Cvar_RegisterVariable (&joy_sidesensitivity);
 471         Cvar_RegisterVariable (&joy_pitchsensitivity);
 472         Cvar_RegisterVariable (&joy_yawsensitivity);
 473         Cvar_RegisterVariable (&joy_wwhack1);
 474         Cvar_RegisterVariable (&joy_wwhack2);
 475
 476         Cmd_AddCommand ("force_centerview", Force_CenterView_f);
 477         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
 478
 479         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
 480
 481         IN_StartupMouse ();
 482         IN_StartupJoystick ();
 483 }
 484
 485 /*
 486 ===========
 487 IN_Shutdown
 488 ===========
 489 */
 490 void IN_Shutdown (void)
 491 {
 492 //      usingmouse = false;
 493         IN_DeactivateMouse ();
 494         IN_ShowMouse ();
 495
 496     if (g_pMouse)
 497         {
 498                 IDirectInputDevice_Release(g_pMouse);
 499                 g_pMouse = NULL;
 500         }
 501
 502     if (g_pdi)
 503         {
 504                 IDirectInput_Release(g_pdi);
 505                 g_pdi = NULL;
 506         }
 507 }
 508
 509
 510 /*
 511 ===========
 512 IN_MouseEvent
 513 ===========
 514 */
 515 void IN_MouseEvent (int mstate)
 516 {
 517         int     i;
 518
 519         if (mouseactive && !dinput)
 520         {
 521         // perform button actions
 522                 for (i=0 ; i<mouse_buttons ; i++)
 523                 {
 524                         if ( (mstate & (1<<i)) &&
 525                                 !(mouse_oldbuttonstate & (1<<i)) )
 526                         {
 527                                 Key_Event (K_MOUSE1 + i, true);
 528                         }
 529
 530                         if ( !(mstate & (1<<i)) &&
 531                                 (mouse_oldbuttonstate & (1<<i)) )
 532                         {
 533                                 Key_Event (K_MOUSE1 + i, false);
 534                         }
 535                 }
 536
 537                 mouse_oldbuttonstate = mstate;
 538         }
 539 }
 540
 541
 542 /*
 543 ===========
 544 IN_MouseMove
 545 ===========
 546 */
 547 void IN_MouseMove (usercmd_t *cmd)
 548 {
 549         int                                     i, mx, my, mouselook = (in_mlook.state & 1) || freelook.value;
 550         DIDEVICEOBJECTDATA      od;
 551         DWORD                           dwElements;
 552         HRESULT                         hr;
 553
 554         if (!mouseactive)
 555                 return;
 556
 557         if (dinput)
 558         {
 559                 mx = 0;
 560                 my = 0;
 561
 562                 for (;;)
 563                 {
 564                         dwElements = 1;
 565
 566                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
 567                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
 568
 569                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
 570                         {
 571                                 dinput_acquired = true;
 572                                 IDirectInputDevice_Acquire(g_pMouse);
 573                                 break;
 574                         }
 575
 576                         /* Unable to read data or no data available */
 577                         if (FAILED(hr) || dwElements == 0)
 578                         {
 579                                 break;
 580                         }
 581
 582                         /* Look at the element to see what happened */
 583
 584                         switch (od.dwOfs)
 585                         {
 586                                 case DIMOFS_X:
 587                                         mx += od.dwData;
 588                                         break;
 589
 590                                 case DIMOFS_Y:
 591                                         my += od.dwData;
 592                                         break;
 593
 594                                 case DIMOFS_BUTTON0:
 595                                         if (od.dwData & 0x80)
 596                                                 mstate_di |= 1;
 597                                         else
 598                                                 mstate_di &= ~1;
 599                                         break;
 600
 601                                 case DIMOFS_BUTTON1:
 602                                         if (od.dwData & 0x80)
 603                                                 mstate_di |= (1<<1);
 604                                         else
 605                                                 mstate_di &= ~(1<<1);
 606                                         break;
 607
 608                                 case DIMOFS_BUTTON2:
 609                                         if (od.dwData & 0x80)
 610                                                 mstate_di |= (1<<2);
 611                                         else
 612                                                 mstate_di &= ~(1<<2);
 613                                         break;
 614                         }
 615                 }
 616
 617         // perform button actions
 618                 for (i=0 ; i<mouse_buttons ; i++)
 619                 {
 620                         if ( (mstate_di & (1<<i)) &&
 621                                 !(mouse_oldbuttonstate & (1<<i)) )
 622                         {
 623                                 Key_Event (K_MOUSE1 + i, true);
 624                         }
 625
 626                         if ( !(mstate_di & (1<<i)) &&
 627                                 (mouse_oldbuttonstate & (1<<i)) )
 628                         {
 629                                 Key_Event (K_MOUSE1 + i, false);
 630                         }
 631                 }
 632
 633                 mouse_oldbuttonstate = mstate_di;
 634         }
 635         else
 636         {
 637                 GetCursorPos (&current_pos);
 638                 mx = current_pos.x - window_center_x + mx_accum;
 639                 my = current_pos.y - window_center_y + my_accum;
 640                 mx_accum = 0;
 641                 my_accum = 0;
 642         }
 643
 644 //if (mx ||  my)
 645 //      Con_DPrintf("mx=%d, my=%d\n", mx, my);
 646
 647         if (m_filter.value)
 648         {
 649                 mouse_x = (mx + old_mouse_x) * 0.5;
 650                 mouse_y = (my + old_mouse_y) * 0.5;
 651         }
 652         else
 653         {
 654                 mouse_x = mx;
 655                 mouse_y = my;
 656         }
 657
 658         old_mouse_x = mx;
 659         old_mouse_y = my;
 660
 661         mouse_x *= sensitivity.value;
 662         mouse_y *= sensitivity.value;
 663
 664 // add mouse X/Y movement to cmd
 665         if ( (in_strafe.state & 1) || (lookstrafe.value && mouselook))
 666                 cmd->sidemove += m_side.value * mouse_x;
 667         else
 668                 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
 669
 670         if (mouselook)
 671                 V_StopPitchDrift ();
 672
 673         // LordHavoc: changed limits on pitch from -70 to 80, to -90 to 90
 674         if (mouselook && !(in_strafe.state & 1))
 675         {
 676                 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
 677                 if (cl.viewangles[PITCH] > 90)
 678                         cl.viewangles[PITCH] = 90;
 679                 if (cl.viewangles[PITCH] < -90)
 680                         cl.viewangles[PITCH] = -90;
 681         }
 682         else
 683         {
 684                 if ((in_strafe.state & 1) && noclip_anglehack)
 685                         cmd->upmove -= m_forward.value * mouse_y;
 686                 else
 687                         cmd->forwardmove -= m_forward.value * mouse_y;
 688         }
 689
 690 // if the mouse has moved, force it to the center, so there's room to move
 691         if (mx || my)
 692         {
 693                 SetCursorPos (window_center_x, window_center_y);
 694         }
 695 }
 696
 697
 698 /*
 699 ===========
 700 IN_Move
 701 ===========
 702 */
 703 void IN_Move (usercmd_t *cmd)
 704 {
 705
 706         if (ActiveApp && !Minimized)
 707         {
 708                 IN_MouseMove (cmd);
 709                 IN_JoyMove (cmd);
 710         }
 711 }
 712
 713
 714 /*
 715 ===========
 716 IN_Accumulate
 717 ===========
 718 */
 719 void IN_Accumulate (void)
 720 {
 721         if (mouseactive)
 722         {
 723                 if (!dinput)
 724                 {
 725                         GetCursorPos (&current_pos);
 726
 727                         mx_accum += current_pos.x - window_center_x;
 728                         my_accum += current_pos.y - window_center_y;
 729
 730                 // force the mouse to the center, so there's room to move
 731                         SetCursorPos (window_center_x, window_center_y);
 732                 }
 733         }
 734 }
 735
 736
 737 /*
 738 ===================
 739 IN_ClearStates
 740 ===================
 741 */
 742 void IN_ClearStates (void)
 743 {
 744
 745         if (mouseactive)
 746         {
 747                 mx_accum = 0;
 748                 my_accum = 0;
 749                 mouse_oldbuttonstate = 0;
 750         }
 751 }
 752
 753
 754 /*
 755 ===============
 756 IN_StartupJoystick
 757 ===============
 758 */
 759 void IN_StartupJoystick (void)
 760 {
 761         int                     numdevs;
 762         JOYCAPS         jc;
 763         MMRESULT        mmr;
 764
 765         // assume no joystick
 766         joy_avail = false;
 767
 768         // abort startup if user requests no joystick
 769         if ( COM_CheckParm ("-nojoy") )
 770                 return;
 771
 772         // verify joystick driver is present
 773         if ((numdevs = joyGetNumDevs ()) == 0)
 774         {
 775                 Con_Printf ("\njoystick not found -- driver not present\n\n");
 776                 return;
 777         }
 778
 779         // cycle through the joystick ids for the first valid one
 780         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
 781         {
 782                 memset (&ji, 0, sizeof(ji));
 783                 ji.dwSize = sizeof(ji);
 784                 ji.dwFlags = JOY_RETURNCENTERED;
 785
 786                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
 787                         break;
 788         }
 789
 790         // abort startup if we didn't find a valid joystick
 791         if (mmr != JOYERR_NOERROR)
 792         {
 793                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
 794                 return;
 795         }
 796
 797         // get the capabilities of the selected joystick
 798         // abort startup if command fails
 799         memset (&jc, 0, sizeof(jc));
 800         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
 801         {
 802                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
 803                 return;
 804         }
 805
 806         // save the joystick's number of buttons and POV status
 807         joy_numbuttons = jc.wNumButtons;
 808         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
 809
 810         // old button and POV states default to no buttons pressed
 811         joy_oldbuttonstate = joy_oldpovstate = 0;
 812
 813         // mark the joystick as available and advanced initialization not completed
 814         // this is needed as cvars are not available during initialization
 815
 816         joy_avail = true;
 817         joy_advancedinit = false;
 818
 819         Con_Printf ("\njoystick detected\n\n");
 820 }
 821
 822
 823 /*
 824 ===========
 825 RawValuePointer
 826 ===========
 827 */
 828 PDWORD RawValuePointer (int axis)
 829 {
 830         switch (axis)
 831         {
 832         case JOY_AXIS_X:
 833                 return &ji.dwXpos;
 834         case JOY_AXIS_Y:
 835                 return &ji.dwYpos;
 836         case JOY_AXIS_Z:
 837                 return &ji.dwZpos;
 838         case JOY_AXIS_R:
 839                 return &ji.dwRpos;
 840         case JOY_AXIS_U:
 841                 return &ji.dwUpos;
 842         case JOY_AXIS_V:
 843                 return &ji.dwVpos;
 844         }
 845         return NULL; // LordHavoc: hush compiler warning
 846 }
 847
 848
 849 /*
 850 ===========
 851 Joy_AdvancedUpdate_f
 852 ===========
 853 */
 854 void Joy_AdvancedUpdate_f (void)
 855 {
 856
 857         // called once by IN_ReadJoystick and by user whenever an update is needed
 858         // cvars are now available
 859         int     i;
 860         DWORD dwTemp;
 861
 862         // initialize all the maps
 863         for (i = 0; i < JOY_MAX_AXES; i++)
 864         {
 865                 dwAxisMap[i] = AxisNada;
 866                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
 867                 pdwRawValue[i] = RawValuePointer(i);
 868         }
 869
 870         if( joy_advanced.value == 0.0)
 871         {
 872                 // default joystick initialization
 873                 // 2 axes only with joystick control
 874                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
 875                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
 876                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
 877                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
 878         }
 879         else
 880         {
 881                 if (strcmp (joy_name.string, "joystick") != 0)
 882                 {
 883                         // notify user of advanced controller
 884                         Con_Printf ("\n%s configured\n\n", joy_name.string);
 885                 }
 886
 887                 // advanced initialization here
 888                 // data supplied by user via joy_axisn cvars
 889                 dwTemp = (DWORD) joy_advaxisx.value;
 890                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
 891                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
 892                 dwTemp = (DWORD) joy_advaxisy.value;
 893                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
 894                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
 895                 dwTemp = (DWORD) joy_advaxisz.value;
 896                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
 897                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
 898                 dwTemp = (DWORD) joy_advaxisr.value;
 899                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
 900                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
 901                 dwTemp = (DWORD) joy_advaxisu.value;
 902                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
 903                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
 904                 dwTemp = (DWORD) joy_advaxisv.value;
 905                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
 906                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
 907         }
 908
 909         // compute the axes to collect from DirectInput
 910         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
 911         for (i = 0; i < JOY_MAX_AXES; i++)
 912         {
 913                 if (dwAxisMap[i] != AxisNada)
 914                 {
 915                         joy_flags |= dwAxisFlags[i];
 916                 }
 917         }
 918 }
 919
 920
 921 /*
 922 ===========
 923 IN_Commands
 924 ===========
 925 */
 926 void IN_Commands (void)
 927 {
 928         int             i, key_index;
 929         DWORD   buttonstate, povstate;
 930
 931         if (!joy_avail)
 932         {
 933                 return;
 934         }
 935
 936
 937         // loop through the joystick buttons
 938         // key a joystick event or auxillary event for higher number buttons for each state change
 939         buttonstate = ji.dwButtons;
 940         for (i=0 ; i < (int) joy_numbuttons ; i++)
 941         {
 942                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
 943                 {
 944                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 945                         Key_Event (key_index + i, true);
 946                 }
 947
 948                 if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
 949                 {
 950                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 951                         Key_Event (key_index + i, false);
 952                 }
 953         }
 954         joy_oldbuttonstate = buttonstate;
 955
 956         if (joy_haspov)
 957         {
 958                 // convert POV information into 4 bits of state information
 959                 // this avoids any potential problems related to moving from one
 960                 // direction to another without going through the center position
 961                 povstate = 0;
 962                 if(ji.dwPOV != JOY_POVCENTERED)
 963                 {
 964                         if (ji.dwPOV == JOY_POVFORWARD)
 965                                 povstate |= 0x01;
 966                         if (ji.dwPOV == JOY_POVRIGHT)
 967                                 povstate |= 0x02;
 968                         if (ji.dwPOV == JOY_POVBACKWARD)
 969                                 povstate |= 0x04;
 970                         if (ji.dwPOV == JOY_POVLEFT)
 971                                 povstate |= 0x08;
 972                 }
 973                 // determine which bits have changed and key an auxillary event for each change
 974                 for (i=0 ; i < 4 ; i++)
 975                 {
 976                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
 977                         {
 978                                 Key_Event (K_AUX29 + i, true);
 979                         }
 980
 981                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
 982                         {
 983                                 Key_Event (K_AUX29 + i, false);
 984                         }
 985                 }
 986                 joy_oldpovstate = povstate;
 987         }
 988 }
 989
 990
 991 /*
 992 ===============
 993 IN_ReadJoystick
 994 ===============
 995 */
 996 qboolean IN_ReadJoystick (void)
 997 {
 998
 999         memset (&ji, 0, sizeof(ji));
1000         ji.dwSize = sizeof(ji);
1001         ji.dwFlags = joy_flags;
1002
1003         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1004         {
1005                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1006                 // rather than having 32768 be the zero point, they have the zero point at 32668
1007                 // go figure -- anyway, now we get the full resolution out of the device
1008                 if (joy_wwhack1.value != 0.0)
1009                 {
1010                         ji.dwUpos += 100;
1011                 }
1012                 return true;
1013         }
1014         else
1015         {
1016                 // read error occurred
1017                 // turning off the joystick seems too harsh for 1 read error,\
1018                 // but what should be done?
1019                 // Con_Printf ("IN_ReadJoystick: no response\n");
1020                 // joy_avail = false;
1021                 return false;
1022         }
1023 }
1024
1025
1026 /*
1027 ===========
1028 IN_JoyMove
1029 ===========
1030 */
1031 void IN_JoyMove (usercmd_t *cmd)
1032 {
1033         float   speed, aspeed;
1034         float   fAxisValue, fTemp;
1035         int             i, mouselook = (in_mlook.state & 1) || freelook.value;
1036
1037         // complete initialization if first time in
1038         // this is needed as cvars are not available at initialization time
1039         if( joy_advancedinit != true )
1040         {
1041                 Joy_AdvancedUpdate_f();
1042                 joy_advancedinit = true;
1043         }
1044
1045         // verify joystick is available and that the user wants to use it
1046         if (!joy_avail || !in_joystick.value)
1047         {
1048                 return;
1049         }
1050
1051         // collect the joystick data, if possible
1052         if (IN_ReadJoystick () != true)
1053         {
1054                 return;
1055         }
1056
1057         if (in_speed.state & 1)
1058                 speed = cl_movespeedkey.value;
1059         else
1060                 speed = 1;
1061         aspeed = speed * host_realframetime;
1062
1063         // loop through the axes
1064         for (i = 0; i < JOY_MAX_AXES; i++)
1065         {
1066                 // get the floating point zero-centered, potentially-inverted data for the current axis
1067                 fAxisValue = (float) *pdwRawValue[i];
1068                 // move centerpoint to zero
1069                 fAxisValue -= 32768.0;
1070
1071                 if (joy_wwhack2.value != 0.0)
1072                 {
1073                         if (dwAxisMap[i] == AxisTurn)
1074                         {
1075                                 // this is a special formula for the Logitech WingMan Warrior
1076                                 // y=ax^b; where a = 300 and b = 1.3
1077                                 // also x values are in increments of 800 (so this is factored out)
1078                                 // then bounds check result to level out excessively high spin rates
1079                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1080                                 if (fTemp > 14000.0)
1081                                         fTemp = 14000.0;
1082                                 // restore direction information
1083                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1084                         }
1085                 }
1086
1087                 // convert range from -32768..32767 to -1..1
1088                 fAxisValue /= 32768.0;
1089
1090                 switch (dwAxisMap[i])
1091                 {
1092                 case AxisForward:
1093                         if ((joy_advanced.value == 0.0) && mouselook)
1094                         {
1095                                 // user wants forward control to become look control
1096                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1097                                 {
1098                                         // if mouse invert is on, invert the joystick pitch value
1099                                         // only absolute control support here (joy_advanced is false)
1100                                         if (m_pitch.value < 0.0)
1101                                         {
1102                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1103                                         }
1104                                         else
1105                                         {
1106                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1107                                         }
1108                                         V_StopPitchDrift();
1109                                 }
1110                                 else
1111                                 {
1112                                         // no pitch movement
1113                                         // disable pitch return-to-center unless requested by user
1114                                         // *** this code can be removed when the lookspring bug is fixed
1115                                         // *** the bug always has the lookspring feature on
1116                                         if(lookspring.value == 0.0)
1117                                                 V_StopPitchDrift();
1118                                 }
1119                         }
1120                         else
1121                         {
1122                                 // user wants forward control to be forward control
1123                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1124                                 {
1125                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1126                                 }
1127                         }
1128                         break;
1129
1130                 case AxisSide:
1131                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1132                         {
1133                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1134                         }
1135                         break;
1136
1137                 case AxisTurn:
1138                         if ((in_strafe.state & 1) || (lookstrafe.value && mouselook))
1139                         {
1140                                 // user wants turn control to become side control
1141                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1142                                 {
1143                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1144                                 }
1145                         }
1146                         else
1147                         {
1148                                 // user wants turn control to be turn control
1149                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1150                                 {
1151                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1152                                         {
1153                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1154                                         }
1155                                         else
1156                                         {
1157                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1158                                         }
1159
1160                                 }
1161                         }
1162                         break;
1163
1164                 case AxisLook:
1165                         if (mouselook)
1166                         {
1167                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1168                                 {
1169                                         // pitch movement detected and pitch movement desired by user
1170                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1171                                         {
1172                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1173                                         }
1174                                         else
1175                                         {
1176                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1177                                         }
1178                                         V_StopPitchDrift();
1179                                 }
1180                                 else
1181                                 {
1182                                         // no pitch movement
1183                                         // disable pitch return-to-center unless requested by user
1184                                         // *** this code can be removed when the lookspring bug is fixed
1185                                         // *** the bug always has the lookspring feature on
1186                                         if(lookspring.value == 0.0)
1187                                                 V_StopPitchDrift();
1188                                 }
1189                         }
1190                         break;
1191
1192                 default:
1193                         break;
1194                 }
1195         }
1196
1197         // bounds check pitch
1198         if (cl.viewangles[PITCH] > 80.0)
1199                 cl.viewangles[PITCH] = 80.0;
1200         if (cl.viewangles[PITCH] < -70.0)
1201                 cl.viewangles[PITCH] = -70.0;
1202 }