in_win.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // in_win.c -- windows 95 mouse and joystick code
  21 // 02/21/97 JCB Added extended DirectInput code to support external controllers.
  22
  23 #include "quakedef.h"
  24 #include "winquake.h"
  25 //#include "dosisms.h"
  26
  27 #include <dinput.h>
  28
  29 #define DINPUT_BUFFERSIZE           16
  30 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
  31
  32 HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
  33         LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
  34
  35 // mouse variables
  36 cvar_t  m_filter = {CVAR_SAVE, "m_filter","0"};
  37
  38 int                     mouse_buttons;
  39 int                     mouse_oldbuttonstate;
  40 POINT           current_pos;
  41 int                     mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
  42
  43 static qboolean restore_spi;
  44 static int              originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
  45
  46 unsigned int uiWheelMessage;
  47 qboolean        mouseactive;
  48 qboolean                mouseinitialized;
  49 static qboolean mouseparmsvalid, mouseactivatetoggle;
  50 static qboolean mouseshowtoggle = 1;
  51 static qboolean dinput_acquired;
  52
  53 static unsigned int             mstate_di;
  54
  55 // joystick defines and variables
  56 // where should defines be moved?
  57 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
  58 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
  59 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
  60 #define JOY_AXIS_X                      0
  61 #define JOY_AXIS_Y                      1
  62 #define JOY_AXIS_Z                      2
  63 #define JOY_AXIS_R                      3
  64 #define JOY_AXIS_U                      4
  65 #define JOY_AXIS_V                      5
  66
  67 enum _ControlList
  68 {
  69         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
  70 };
  71
  72 DWORD   dwAxisFlags[JOY_MAX_AXES] =
  73 {
  74         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
  75 };
  76
  77 DWORD   dwAxisMap[JOY_MAX_AXES];
  78 DWORD   dwControlMap[JOY_MAX_AXES];
  79 PDWORD  pdwRawValue[JOY_MAX_AXES];
  80
  81 // none of these cvars are saved over a session
  82 // this means that advanced controller configuration needs to be executed
  83 // each time.  this avoids any problems with getting back to a default usage
  84 // or when changing from one controller to another.  this way at least something
  85 // works.
  86 cvar_t  in_joystick = {CVAR_SAVE, "joystick","0"};
  87 cvar_t  joy_name = {0, "joyname", "joystick"};
  88 cvar_t  joy_advanced = {0, "joyadvanced", "0"};
  89 cvar_t  joy_advaxisx = {0, "joyadvaxisx", "0"};
  90 cvar_t  joy_advaxisy = {0, "joyadvaxisy", "0"};
  91 cvar_t  joy_advaxisz = {0, "joyadvaxisz", "0"};
  92 cvar_t  joy_advaxisr = {0, "joyadvaxisr", "0"};
  93 cvar_t  joy_advaxisu = {0, "joyadvaxisu", "0"};
  94 cvar_t  joy_advaxisv = {0, "joyadvaxisv", "0"};
  95 cvar_t  joy_forwardthreshold = {0, "joyforwardthreshold", "0.15"};
  96 cvar_t  joy_sidethreshold = {0, "joysidethreshold", "0.15"};
  97 cvar_t  joy_pitchthreshold = {0, "joypitchthreshold", "0.15"};
  98 cvar_t  joy_yawthreshold = {0, "joyyawthreshold", "0.15"};
  99 cvar_t  joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0"};
 100 cvar_t  joy_sidesensitivity = {0, "joysidesensitivity", "-1.0"};
 101 cvar_t  joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0"};
 102 cvar_t  joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0"};
 103 cvar_t  joy_wwhack1 = {0, "joywwhack1", "0.0"};
 104 cvar_t  joy_wwhack2 = {0, "joywwhack2", "0.0"};
 105
 106 qboolean        joy_avail, joy_advancedinit, joy_haspov;
 107 DWORD           joy_oldbuttonstate, joy_oldpovstate;
 108
 109 int                     joy_id;
 110 DWORD           joy_flags;
 111 DWORD           joy_numbuttons;
 112
 113 static LPDIRECTINPUT            g_pdi;
 114 static LPDIRECTINPUTDEVICE      g_pMouse;
 115
 116 static JOYINFOEX        ji;
 117
 118 static HINSTANCE hInstDI;
 119
 120 static qboolean dinput;
 121
 122 typedef struct MYDATA {
 123         LONG  lX;                   // X axis goes here
 124         LONG  lY;                   // Y axis goes here
 125         LONG  lZ;                   // Z axis goes here
 126         BYTE  bButtonA;             // One button goes here
 127         BYTE  bButtonB;             // Another button goes here
 128         BYTE  bButtonC;             // Another button goes here
 129         BYTE  bButtonD;             // Another button goes here
 130 } MYDATA;
 131
 132 static DIOBJECTDATAFORMAT rgodf[] = {
 133   { &GUID_XAxis,    FIELD_OFFSET(MYDATA, lX),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 134   { &GUID_YAxis,    FIELD_OFFSET(MYDATA, lY),       DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 135   { &GUID_ZAxis,    FIELD_OFFSET(MYDATA, lZ),       0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE,   0,},
 136   { 0,              FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 137   { 0,              FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 138   { 0,              FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 139   { 0,              FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,},
 140 };
 141
 142 #define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0]))
 143
 144 static DIDATAFORMAT     df = {
 145         sizeof(DIDATAFORMAT),       // this structure
 146         sizeof(DIOBJECTDATAFORMAT), // size of object data format
 147         DIDF_RELAXIS,               // absolute axis coordinates
 148         sizeof(MYDATA),             // device data size
 149         NUM_OBJECTS,                // number of objects
 150         rgodf,                      // and here they are
 151 };
 152
 153 // forward-referenced functions
 154 void IN_StartupJoystick (void);
 155 void Joy_AdvancedUpdate_f (void);
 156 void IN_JoyMove (usercmd_t *cmd);
 157
 158
 159 /*
 160 ===========
 161 IN_UpdateClipCursor
 162 ===========
 163 */
 164 void IN_UpdateClipCursor (void)
 165 {
 166
 167         if (mouseinitialized && mouseactive && !dinput)
 168         {
 169                 ClipCursor (&window_rect);
 170         }
 171 }
 172
 173
 174 /*
 175 ===========
 176 IN_ShowMouse
 177 ===========
 178 */
 179 void IN_ShowMouse (void)
 180 {
 181         if (!mouseshowtoggle)
 182         {
 183                 ShowCursor (true);
 184                 mouseshowtoggle = 1;
 185         }
 186 }
 187
 188
 189 /*
 190 ===========
 191 IN_HideMouse
 192 ===========
 193 */
 194 void IN_HideMouse (void)
 195 {
 196         if (mouseshowtoggle)
 197         {
 198                 ShowCursor (false);
 199                 mouseshowtoggle = 0;
 200         }
 201 }
 202
 203
 204 /*
 205 ===========
 206 IN_ActivateMouse
 207 ===========
 208 */
 209 void IN_ActivateMouse (void)
 210 {
 211
 212         mouseactivatetoggle = true;
 213
 214         if (mouseinitialized)
 215         {
 216                 if (dinput)
 217                 {
 218                         if (g_pMouse)
 219                         {
 220                                 if (!dinput_acquired)
 221                                 {
 222                                         IDirectInputDevice_Acquire(g_pMouse);
 223                                         dinput_acquired = true;
 224                                 }
 225                         }
 226                         else
 227                         {
 228                                 return;
 229                         }
 230                 }
 231                 else
 232                 {
 233                         if (mouseparmsvalid)
 234                                 restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
 235
 236                         SetCursorPos (window_center_x, window_center_y);
 237                         SetCapture (mainwindow);
 238                         ClipCursor (&window_rect);
 239
 240                 }
 241
 242                 mouseactive = true;
 243         }
 244 }
 245
 246
 247 /*
 248 ===========
 249 IN_DeactivateMouse
 250 ===========
 251 */
 252 void IN_DeactivateMouse (void)
 253 {
 254
 255         mouseactivatetoggle = false;
 256
 257         if (mouseinitialized)
 258         {
 259                 if (dinput)
 260                 {
 261                         if (g_pMouse)
 262                         {
 263                                 if (dinput_acquired)
 264                                 {
 265                                         IDirectInputDevice_Unacquire(g_pMouse);
 266                                         dinput_acquired = false;
 267                                 }
 268                         }
 269                 }
 270                 else
 271                 {
 272                         if (restore_spi)
 273                                 SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
 274
 275                         ClipCursor (NULL);
 276                         ReleaseCapture ();
 277                 }
 278
 279                 mouseactive = false;
 280         }
 281 }
 282
 283
 284 /*
 285 ===========
 286 IN_InitDInput
 287 ===========
 288 */
 289 qboolean IN_InitDInput (void)
 290 {
 291     HRESULT             hr;
 292         DIPROPDWORD     dipdw = {
 293                 {
 294                         sizeof(DIPROPDWORD),        // diph.dwSize
 295                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
 296                         0,                          // diph.dwObj
 297                         DIPH_DEVICE,                // diph.dwHow
 298                 },
 299                 DINPUT_BUFFERSIZE,              // dwData
 300         };
 301
 302         if (!hInstDI)
 303         {
 304                 hInstDI = LoadLibrary("dinput.dll");
 305
 306                 if (hInstDI == NULL)
 307                 {
 308                         Con_SafePrintf ("Couldn't load dinput.dll\n");
 309                         return false;
 310                 }
 311         }
 312
 313         if (!pDirectInputCreate)
 314         {
 315                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
 316
 317                 if (!pDirectInputCreate)
 318                 {
 319                         Con_SafePrintf ("Couldn't get DI proc addr\n");
 320                         return false;
 321                 }
 322         }
 323
 324 // register with DirectInput and get an IDirectInput to play with.
 325         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
 326
 327         if (FAILED(hr))
 328         {
 329                 return false;
 330         }
 331
 332 // obtain an interface to the system mouse device.
 333         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
 334
 335         if (FAILED(hr))
 336         {
 337                 Con_SafePrintf ("Couldn't open DI mouse device\n");
 338                 return false;
 339         }
 340
 341 // set the data format to "mouse format".
 342         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df);
 343
 344         if (FAILED(hr))
 345         {
 346                 Con_SafePrintf ("Couldn't set DI mouse format\n");
 347                 return false;
 348         }
 349
 350 // set the cooperativity level.
 351         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
 352                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
 353
 354         if (FAILED(hr))
 355         {
 356                 Con_SafePrintf ("Couldn't set DI coop level\n");
 357                 return false;
 358         }
 359
 360
 361 // set the buffer size to DINPUT_BUFFERSIZE elements.
 362 // the buffer size is a DWORD property associated with the device
 363         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
 364
 365         if (FAILED(hr))
 366         {
 367                 Con_SafePrintf ("Couldn't set DI buffersize\n");
 368                 return false;
 369         }
 370
 371         return true;
 372 }
 373
 374
 375 /*
 376 ===========
 377 IN_StartupMouse
 378 ===========
 379 */
 380 void IN_StartupMouse (void)
 381 {
 382         if ( COM_CheckParm ("-nomouse") )
 383                 return;
 384
 385         mouseinitialized = true;
 386
 387         if (COM_CheckParm ("-dinput"))
 388         {
 389                 dinput = IN_InitDInput ();
 390
 391                 if (dinput)
 392                 {
 393                         Con_SafePrintf ("DirectInput initialized\n");
 394                 }
 395                 else
 396                 {
 397                         Con_SafePrintf ("DirectInput not initialized\n");
 398                 }
 399         }
 400
 401         if (!dinput)
 402         {
 403                 mouseparmsvalid = SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0);
 404
 405                 if (mouseparmsvalid)
 406                 {
 407                         if ( COM_CheckParm ("-noforcemspd") )
 408                                 newmouseparms[2] = originalmouseparms[2];
 409
 410                         if ( COM_CheckParm ("-noforcemaccel") )
 411                         {
 412                                 newmouseparms[0] = originalmouseparms[0];
 413                                 newmouseparms[1] = originalmouseparms[1];
 414                         }
 415
 416                         if ( COM_CheckParm ("-noforcemparms") )
 417                         {
 418                                 newmouseparms[0] = originalmouseparms[0];
 419                                 newmouseparms[1] = originalmouseparms[1];
 420                                 newmouseparms[2] = originalmouseparms[2];
 421                         }
 422                 }
 423         }
 424
 425         mouse_buttons = 3;
 426
 427 // if a fullscreen video mode was set before the mouse was initialized,
 428 // set the mouse state appropriately
 429         if (mouseactivatetoggle)
 430                 IN_ActivateMouse ();
 431 }
 432
 433
 434 /*
 435 ===========
 436 IN_Init
 437 ===========
 438 */
 439 void IN_Init (void)
 440 {
 441         // mouse variables
 442         Cvar_RegisterVariable (&m_filter);
 443
 444         // joystick variables
 445         Cvar_RegisterVariable (&in_joystick);
 446         Cvar_RegisterVariable (&joy_name);
 447         Cvar_RegisterVariable (&joy_advanced);
 448         Cvar_RegisterVariable (&joy_advaxisx);
 449         Cvar_RegisterVariable (&joy_advaxisy);
 450         Cvar_RegisterVariable (&joy_advaxisz);
 451         Cvar_RegisterVariable (&joy_advaxisr);
 452         Cvar_RegisterVariable (&joy_advaxisu);
 453         Cvar_RegisterVariable (&joy_advaxisv);
 454         Cvar_RegisterVariable (&joy_forwardthreshold);
 455         Cvar_RegisterVariable (&joy_sidethreshold);
 456         Cvar_RegisterVariable (&joy_pitchthreshold);
 457         Cvar_RegisterVariable (&joy_yawthreshold);
 458         Cvar_RegisterVariable (&joy_forwardsensitivity);
 459         Cvar_RegisterVariable (&joy_sidesensitivity);
 460         Cvar_RegisterVariable (&joy_pitchsensitivity);
 461         Cvar_RegisterVariable (&joy_yawsensitivity);
 462         Cvar_RegisterVariable (&joy_wwhack1);
 463         Cvar_RegisterVariable (&joy_wwhack2);
 464
 465         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);
 466
 467         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
 468
 469         IN_StartupMouse ();
 470         IN_StartupJoystick ();
 471 }
 472
 473 /*
 474 ===========
 475 IN_Shutdown
 476 ===========
 477 */
 478 void IN_Shutdown (void)
 479 {
 480 //      usingmouse = false;
 481         IN_DeactivateMouse ();
 482         IN_ShowMouse ();
 483
 484     if (g_pMouse)
 485         {
 486                 IDirectInputDevice_Release(g_pMouse);
 487                 g_pMouse = NULL;
 488         }
 489
 490     if (g_pdi)
 491         {
 492                 IDirectInput_Release(g_pdi);
 493                 g_pdi = NULL;
 494         }
 495 }
 496
 497
 498 /*
 499 ===========
 500 IN_MouseEvent
 501 ===========
 502 */
 503 void IN_MouseEvent (int mstate)
 504 {
 505         int     i;
 506
 507         if (mouseactive && !dinput)
 508         {
 509         // perform button actions
 510                 for (i=0 ; i<mouse_buttons ; i++)
 511                 {
 512                         if ( (mstate & (1<<i)) &&
 513                                 !(mouse_oldbuttonstate & (1<<i)) )
 514                         {
 515                                 Key_Event (K_MOUSE1 + i, true);
 516                         }
 517
 518                         if ( !(mstate & (1<<i)) &&
 519                                 (mouse_oldbuttonstate & (1<<i)) )
 520                         {
 521                                 Key_Event (K_MOUSE1 + i, false);
 522                         }
 523                 }
 524
 525                 mouse_oldbuttonstate = mstate;
 526         }
 527 }
 528
 529
 530 /*
 531 ===========
 532 IN_MouseMove
 533 ===========
 534 */
 535 void IN_MouseMove (usercmd_t *cmd)
 536 {
 537         int                                     i, mx, my, mouselook = (in_mlook.state & 1) || freelook.integer;
 538         DIDEVICEOBJECTDATA      od;
 539         DWORD                           dwElements;
 540         HRESULT                         hr;
 541
 542         if (!mouseactive)
 543         {
 544                 GetCursorPos (&current_pos);
 545                 ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
 546                 return;
 547         }
 548
 549         if (dinput)
 550         {
 551                 mx = 0;
 552                 my = 0;
 553
 554                 for (;;)
 555                 {
 556                         dwElements = 1;
 557
 558                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
 559                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
 560
 561                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
 562                         {
 563                                 dinput_acquired = true;
 564                                 IDirectInputDevice_Acquire(g_pMouse);
 565                                 break;
 566                         }
 567
 568                         /* Unable to read data or no data available */
 569                         if (FAILED(hr) || dwElements == 0)
 570                         {
 571                                 break;
 572                         }
 573
 574                         /* Look at the element to see what happened */
 575
 576                         switch (od.dwOfs)
 577                         {
 578                                 case DIMOFS_X:
 579                                         mx += od.dwData;
 580                                         break;
 581
 582                                 case DIMOFS_Y:
 583                                         my += od.dwData;
 584                                         break;
 585
 586                                 case DIMOFS_BUTTON0:
 587                                         if (od.dwData & 0x80)
 588                                                 mstate_di |= 1;
 589                                         else
 590                                                 mstate_di &= ~1;
 591                                         break;
 592
 593                                 case DIMOFS_BUTTON1:
 594                                         if (od.dwData & 0x80)
 595                                                 mstate_di |= (1<<1);
 596                                         else
 597                                                 mstate_di &= ~(1<<1);
 598                                         break;
 599
 600                                 case DIMOFS_BUTTON2:
 601                                         if (od.dwData & 0x80)
 602                                                 mstate_di |= (1<<2);
 603                                         else
 604                                                 mstate_di &= ~(1<<2);
 605                                         break;
 606                         }
 607                 }
 608
 609         // perform button actions
 610                 for (i=0 ; i<mouse_buttons ; i++)
 611                 {
 612                         if ( (mstate_di & (1<<i)) &&
 613                                 !(mouse_oldbuttonstate & (1<<i)) )
 614                         {
 615                                 Key_Event (K_MOUSE1 + i, true);
 616                         }
 617
 618                         if ( !(mstate_di & (1<<i)) &&
 619                                 (mouse_oldbuttonstate & (1<<i)) )
 620                         {
 621                                 Key_Event (K_MOUSE1 + i, false);
 622                         }
 623                 }
 624
 625                 mouse_oldbuttonstate = mstate_di;
 626         }
 627         else
 628         {
 629                 GetCursorPos (&current_pos);
 630                 mx = current_pos.x - window_center_x + mx_accum;
 631                 my = current_pos.y - window_center_y + my_accum;
 632                 mx_accum = 0;
 633                 my_accum = 0;
 634         }
 635
 636 //if (mx ||  my)
 637 //      Con_DPrintf("mx=%d, my=%d\n", mx, my);
 638
 639         if (m_filter.integer)
 640         {
 641                 mouse_x = (mx + old_mouse_x) * 0.5;
 642                 mouse_y = (my + old_mouse_y) * 0.5;
 643         }
 644         else
 645         {
 646                 mouse_x = mx;
 647                 mouse_y = my;
 648         }
 649
 650         old_mouse_x = mx;
 651         old_mouse_y = my;
 652
 653         // LordHavoc: viewzoom affects mouse sensitivity for sniping
 654         mouse_x *= sensitivity.value * cl.viewzoom;
 655         mouse_y *= sensitivity.value * cl.viewzoom;
 656
 657 // add mouse X/Y movement to cmd
 658         if ( (in_strafe.state & 1) || (lookstrafe.integer && mouselook))
 659                 cmd->sidemove += m_side.value * mouse_x;
 660         else
 661                 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
 662
 663         if (mouselook)
 664                 V_StopPitchDrift ();
 665
 666         // LordHavoc: changed limits on pitch from -70 to 80, to -90 to 90
 667         if (mouselook && !(in_strafe.state & 1))
 668         {
 669                 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
 670                 if (cl.viewangles[PITCH] > 90)
 671                         cl.viewangles[PITCH] = 90;
 672                 if (cl.viewangles[PITCH] < -90)
 673                         cl.viewangles[PITCH] = -90;
 674         }
 675         else
 676         {
 677                 if ((in_strafe.state & 1) && noclip_anglehack)
 678                         cmd->upmove -= m_forward.value * mouse_y;
 679                 else
 680                         cmd->forwardmove -= m_forward.value * mouse_y;
 681         }
 682
 683 // if the mouse has moved, force it to the center, so there's room to move
 684         if (mx || my)
 685         {
 686                 SetCursorPos (window_center_x, window_center_y);
 687         }
 688 }
 689
 690
 691 /*
 692 ===========
 693 IN_Move
 694 ===========
 695 */
 696 void IN_Move (usercmd_t *cmd)
 697 {
 698
 699         if (ActiveApp && !Minimized)
 700         {
 701                 IN_MouseMove (cmd);
 702                 IN_JoyMove (cmd);
 703         }
 704 }
 705
 706
 707 /*
 708 ===========
 709 IN_Accumulate
 710 ===========
 711 */
 712 void IN_Accumulate (void)
 713 {
 714         if (mouseactive)
 715         {
 716                 if (!dinput)
 717                 {
 718                         GetCursorPos (&current_pos);
 719
 720                         mx_accum += current_pos.x - window_center_x;
 721                         my_accum += current_pos.y - window_center_y;
 722
 723                 // force the mouse to the center, so there's room to move
 724                         SetCursorPos (window_center_x, window_center_y);
 725                 }
 726         }
 727 }
 728
 729
 730 /*
 731 ===================
 732 IN_ClearStates
 733 ===================
 734 */
 735 void IN_ClearStates (void)
 736 {
 737
 738         if (mouseactive)
 739         {
 740                 mx_accum = 0;
 741                 my_accum = 0;
 742                 mouse_oldbuttonstate = 0;
 743         }
 744 }
 745
 746
 747 /*
 748 ===============
 749 IN_StartupJoystick
 750 ===============
 751 */
 752 void IN_StartupJoystick (void)
 753 {
 754         int                     numdevs;
 755         JOYCAPS         jc;
 756         MMRESULT        mmr;
 757
 758         // assume no joystick
 759         joy_avail = false;
 760
 761         // abort startup if user requests no joystick
 762         if ( COM_CheckParm ("-nojoy") )
 763                 return;
 764
 765         // verify joystick driver is present
 766         if ((numdevs = joyGetNumDevs ()) == 0)
 767         {
 768                 Con_Printf ("\njoystick not found -- driver not present\n\n");
 769                 return;
 770         }
 771
 772         // cycle through the joystick ids for the first valid one
 773         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
 774         {
 775                 memset (&ji, 0, sizeof(ji));
 776                 ji.dwSize = sizeof(ji);
 777                 ji.dwFlags = JOY_RETURNCENTERED;
 778
 779                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
 780                         break;
 781         }
 782
 783         // abort startup if we didn't find a valid joystick
 784         if (mmr != JOYERR_NOERROR)
 785         {
 786                 Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
 787                 return;
 788         }
 789
 790         // get the capabilities of the selected joystick
 791         // abort startup if command fails
 792         memset (&jc, 0, sizeof(jc));
 793         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
 794         {
 795                 Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
 796                 return;
 797         }
 798
 799         // save the joystick's number of buttons and POV status
 800         joy_numbuttons = jc.wNumButtons;
 801         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
 802
 803         // old button and POV states default to no buttons pressed
 804         joy_oldbuttonstate = joy_oldpovstate = 0;
 805
 806         // mark the joystick as available and advanced initialization not completed
 807         // this is needed as cvars are not available during initialization
 808
 809         joy_avail = true;
 810         joy_advancedinit = false;
 811
 812         Con_Printf ("\njoystick detected\n\n");
 813 }
 814
 815
 816 /*
 817 ===========
 818 RawValuePointer
 819 ===========
 820 */
 821 PDWORD RawValuePointer (int axis)
 822 {
 823         switch (axis)
 824         {
 825         case JOY_AXIS_X:
 826                 return &ji.dwXpos;
 827         case JOY_AXIS_Y:
 828                 return &ji.dwYpos;
 829         case JOY_AXIS_Z:
 830                 return &ji.dwZpos;
 831         case JOY_AXIS_R:
 832                 return &ji.dwRpos;
 833         case JOY_AXIS_U:
 834                 return &ji.dwUpos;
 835         case JOY_AXIS_V:
 836                 return &ji.dwVpos;
 837         }
 838         return NULL; // LordHavoc: hush compiler warning
 839 }
 840
 841
 842 /*
 843 ===========
 844 Joy_AdvancedUpdate_f
 845 ===========
 846 */
 847 void Joy_AdvancedUpdate_f (void)
 848 {
 849
 850         // called once by IN_ReadJoystick and by user whenever an update is needed
 851         // cvars are now available
 852         int     i;
 853         DWORD dwTemp;
 854
 855         // initialize all the maps
 856         for (i = 0; i < JOY_MAX_AXES; i++)
 857         {
 858                 dwAxisMap[i] = AxisNada;
 859                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
 860                 pdwRawValue[i] = RawValuePointer(i);
 861         }
 862
 863         if( joy_advanced.integer == 0)
 864         {
 865                 // default joystick initialization
 866                 // 2 axes only with joystick control
 867                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
 868                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
 869                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
 870                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
 871         }
 872         else
 873         {
 874                 if (strcmp (joy_name.string, "joystick") != 0)
 875                 {
 876                         // notify user of advanced controller
 877                         Con_Printf ("\n%s configured\n\n", joy_name.string);
 878                 }
 879
 880                 // advanced initialization here
 881                 // data supplied by user via joy_axisn cvars
 882                 dwTemp = (DWORD) joy_advaxisx.value;
 883                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
 884                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
 885                 dwTemp = (DWORD) joy_advaxisy.value;
 886                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
 887                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
 888                 dwTemp = (DWORD) joy_advaxisz.value;
 889                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
 890                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
 891                 dwTemp = (DWORD) joy_advaxisr.value;
 892                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
 893                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
 894                 dwTemp = (DWORD) joy_advaxisu.value;
 895                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
 896                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
 897                 dwTemp = (DWORD) joy_advaxisv.value;
 898                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
 899                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
 900         }
 901
 902         // compute the axes to collect from DirectInput
 903         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
 904         for (i = 0; i < JOY_MAX_AXES; i++)
 905         {
 906                 if (dwAxisMap[i] != AxisNada)
 907                 {
 908                         joy_flags |= dwAxisFlags[i];
 909                 }
 910         }
 911 }
 912
 913
 914 /*
 915 ===========
 916 IN_Commands
 917 ===========
 918 */
 919 void IN_Commands (void)
 920 {
 921         int             i, key_index;
 922         DWORD   buttonstate, povstate;
 923
 924         if (!joy_avail)
 925         {
 926                 return;
 927         }
 928
 929
 930         // loop through the joystick buttons
 931         // key a joystick event or auxillary event for higher number buttons for each state change
 932         buttonstate = ji.dwButtons;
 933         for (i=0 ; i < (int) joy_numbuttons ; i++)
 934         {
 935                 if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
 936                 {
 937                         key_index = (i < 4) ? K_JOY1 : K_AUX1;
 938                         Key_Event (key_index + i, true);
 939                 }
 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, false);
 945                 }
 946         }
 947         joy_oldbuttonstate = buttonstate;
 948
 949         if (joy_haspov)
 950         {
 951                 // convert POV information into 4 bits of state information
 952                 // this avoids any potential problems related to moving from one
 953                 // direction to another without going through the center position
 954                 povstate = 0;
 955                 if(ji.dwPOV != JOY_POVCENTERED)
 956                 {
 957                         if (ji.dwPOV == JOY_POVFORWARD)
 958                                 povstate |= 0x01;
 959                         if (ji.dwPOV == JOY_POVRIGHT)
 960                                 povstate |= 0x02;
 961                         if (ji.dwPOV == JOY_POVBACKWARD)
 962                                 povstate |= 0x04;
 963                         if (ji.dwPOV == JOY_POVLEFT)
 964                                 povstate |= 0x08;
 965                 }
 966                 // determine which bits have changed and key an auxillary event for each change
 967                 for (i=0 ; i < 4 ; i++)
 968                 {
 969                         if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
 970                         {
 971                                 Key_Event (K_AUX29 + i, true);
 972                         }
 973
 974                         if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
 975                         {
 976                                 Key_Event (K_AUX29 + i, false);
 977                         }
 978                 }
 979                 joy_oldpovstate = povstate;
 980         }
 981 }
 982
 983
 984 /*
 985 ===============
 986 IN_ReadJoystick
 987 ===============
 988 */
 989 qboolean IN_ReadJoystick (void)
 990 {
 991
 992         memset (&ji, 0, sizeof(ji));
 993         ji.dwSize = sizeof(ji);
 994         ji.dwFlags = joy_flags;
 995
 996         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
 997         {
 998                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
 999                 // rather than having 32768 be the zero point, they have the zero point at 32668
1000                 // go figure -- anyway, now we get the full resolution out of the device
1001                 if (joy_wwhack1.integer != 0.0)
1002                 {
1003                         ji.dwUpos += 100;
1004                 }
1005                 return true;
1006         }
1007         else
1008         {
1009                 // read error occurred
1010                 // turning off the joystick seems too harsh for 1 read error,\
1011                 // but what should be done?
1012                 // Con_Printf ("IN_ReadJoystick: no response\n");
1013                 // joy_avail = false;
1014                 return false;
1015         }
1016 }
1017
1018
1019 /*
1020 ===========
1021 IN_JoyMove
1022 ===========
1023 */
1024 void IN_JoyMove (usercmd_t *cmd)
1025 {
1026         float   speed, aspeed;
1027         float   fAxisValue, fTemp;
1028         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1029
1030         // complete initialization if first time in
1031         // this is needed as cvars are not available at initialization time
1032         if( joy_advancedinit != true )
1033         {
1034                 Joy_AdvancedUpdate_f();
1035                 joy_advancedinit = true;
1036         }
1037
1038         // verify joystick is available and that the user wants to use it
1039         if (!joy_avail || !in_joystick.integer)
1040         {
1041                 return;
1042         }
1043
1044         // collect the joystick data, if possible
1045         if (IN_ReadJoystick () != true)
1046         {
1047                 return;
1048         }
1049
1050         if (in_speed.state & 1)
1051                 speed = cl_movespeedkey.value;
1052         else
1053                 speed = 1;
1054         // LordHavoc: viewzoom affects sensitivity for sniping
1055         aspeed = speed * host_realframetime * cl.viewzoom;
1056
1057         // loop through the axes
1058         for (i = 0; i < JOY_MAX_AXES; i++)
1059         {
1060                 // get the floating point zero-centered, potentially-inverted data for the current axis
1061                 fAxisValue = (float) *pdwRawValue[i];
1062                 // move centerpoint to zero
1063                 fAxisValue -= 32768.0;
1064
1065                 if (joy_wwhack2.integer != 0.0)
1066                 {
1067                         if (dwAxisMap[i] == AxisTurn)
1068                         {
1069                                 // this is a special formula for the Logitech WingMan Warrior
1070                                 // y=ax^b; where a = 300 and b = 1.3
1071                                 // also x values are in increments of 800 (so this is factored out)
1072                                 // then bounds check result to level out excessively high spin rates
1073                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1074                                 if (fTemp > 14000.0)
1075                                         fTemp = 14000.0;
1076                                 // restore direction information
1077                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1078                         }
1079                 }
1080
1081                 // convert range from -32768..32767 to -1..1
1082                 fAxisValue /= 32768.0;
1083
1084                 switch (dwAxisMap[i])
1085                 {
1086                 case AxisForward:
1087                         if ((joy_advanced.integer == 0) && mouselook)
1088                         {
1089                                 // user wants forward control to become look control
1090                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1091                                 {
1092                                         // if mouse invert is on, invert the joystick pitch value
1093                                         // only absolute control support here (joy_advanced is false)
1094                                         if (m_pitch.value < 0.0)
1095                                         {
1096                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1097                                         }
1098                                         else
1099                                         {
1100                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1101                                         }
1102                                         V_StopPitchDrift();
1103                                 }
1104                                 else
1105                                 {
1106                                         // no pitch movement
1107                                         // disable pitch return-to-center unless requested by user
1108                                         // *** this code can be removed when the lookspring bug is fixed
1109                                         // *** the bug always has the lookspring feature on
1110                                         if(lookspring.value == 0.0)
1111                                                 V_StopPitchDrift();
1112                                 }
1113                         }
1114                         else
1115                         {
1116                                 // user wants forward control to be forward control
1117                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1118                                 {
1119                                         cmd->forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1120                                 }
1121                         }
1122                         break;
1123
1124                 case AxisSide:
1125                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1126                         {
1127                                 cmd->sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1128                         }
1129                         break;
1130
1131                 case AxisTurn:
1132                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1133                         {
1134                                 // user wants turn control to become side control
1135                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1136                                 {
1137                                         cmd->sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1138                                 }
1139                         }
1140                         else
1141                         {
1142                                 // user wants turn control to be turn control
1143                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1144                                 {
1145                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1146                                         {
1147                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1148                                         }
1149                                         else
1150                                         {
1151                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1152                                         }
1153
1154                                 }
1155                         }
1156                         break;
1157
1158                 case AxisLook:
1159                         if (mouselook)
1160                         {
1161                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1162                                 {
1163                                         // pitch movement detected and pitch movement desired by user
1164                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1165                                         {
1166                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1167                                         }
1168                                         else
1169                                         {
1170                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1171                                         }
1172                                         V_StopPitchDrift();
1173                                 }
1174                                 else
1175                                 {
1176                                         // no pitch movement
1177                                         // disable pitch return-to-center unless requested by user
1178                                         // *** this code can be removed when the lookspring bug is fixed
1179                                         // *** the bug always has the lookspring feature on
1180                                         if(lookspring.integer == 0)
1181                                                 V_StopPitchDrift();
1182                                 }
1183                         }
1184                         break;
1185
1186                 default:
1187                         break;
1188                 }
1189         }
1190
1191         // bounds check pitch
1192         if (cl.viewangles[PITCH] > 80.0)
1193                 cl.viewangles[PITCH] = 80.0;
1194         if (cl.viewangles[PITCH] < -70.0)
1195                 cl.viewangles[PITCH] = -70.0;
1196 }