src/lib/16_in.c

   1 /* Catacomb Apocalypse Source Code\r
   2  * Copyright (C) 1993-2014 Flat Rock Software\r
   3  *\r
   4  * This program is free software; you can redistribute it and/or modify\r
   5  * it under the terms of the GNU General Public License as published by\r
   6  * the Free Software Foundation; either version 2 of the License, or\r
   7  * (at your option) any later version.\r
   8  *\r
   9  * This program is distributed in the hope that it will be useful,\r
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  12  * GNU General Public License for more details.\r
  13  *\r
  14  * You should have received a copy of the GNU General Public License along\r
  15  * with this program; if not, write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\r
  17  */\r
  18 \r
  19 //\r
  20 //      ID Engine\r
  21 //      ID_IN.c - Input Manager\r
  22 //      v1.0d1w\r
  23 //      By Jason Blochowiak\r
  24 //      Open Watcom port by sparky4\r
  25 //\r
  26 \r
  27 //\r
  28 //      This module handles dealing with the various input devices\r
  29 //\r
  30 //      Depends on: Memory Mgr (for demo recording), Sound Mgr (for timing stuff),\r
  31 //                              User Mgr (for command line parms)\r
  32 //\r
  33 //      Globals:\r
  34 //              LastScan - The keyboard scan code of the last key pressed\r
  35 //              LastASCII - The ASCII value of the last key pressed\r
  36 //      DEBUG - there are more globals\r
  37 //\r
  38 \r
  39 #include "src/lib/16_in.h"\r
  40 \r
  41 byte testkeyin=0,testcontrolnoisy=0;\r
  42 \r
  43 /*\r
  44 =============================================================================\r
  45 \r
  46                                         GLOBAL VARIABLES\r
  47 \r
  48 =============================================================================\r
  49 */\r
  50 struct inconfig\r
  51 {\r
  52         boolean                 MousePresent;\r
  53         boolean                 JoysPresent[MaxJoys];\r
  54         boolean                 JoyPadPresent[MaxPads];\r
  55         boolean         Keyboard[NumCodes];\r
  56         boolean         Paused;\r
  57         char            LastASCII;\r
  58         ScanCode        LastScan;\r
  59 \r
  60         KeyboardDef     KbdDefs[MaxKbds];\r
  61         JoystickDef     JoyDefs[MaxJoys];\r
  62         JoypadDef       JoypadDefs[MaxPads];\r
  63 } inpu;\r
  64 \r
  65 //extern inconfig inpu;\r
  66 //inpu.KbdDefs = {0x1d,0x38,/*0x47,*/0x48,/*0x49,*/0x4b,0x4d,/*0x4f,*/0x50/*,0x51*/};\r
  67 \r
  68 /*\r
  69 =============================================================================\r
  70 \r
  71                                         LOCAL VARIABLES\r
  72 \r
  73 =============================================================================\r
  74 */\r
  75 \r
  76 #ifdef __cplusplus              /* Function must be declared C style */\r
  77 extern "C" {\r
  78 #endif\r
  79 \r
  80 static struct instat {\r
  81         boolean         IN_Started;\r
  82         boolean         CapsLock;\r
  83         ScanCode        CurCode,LastCode;\r
  84 } inst;\r
  85 \r
  86 static  void                    (*INL_KeyHook)(void);\r
  87 static  void interrupt  (*OldKeyVect)(void);\r
  88 static  char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
  89 \r
  90 static  byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
  91                                         {\r
  92 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
  93         0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
  94         'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
  95         'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
  96         'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
  97         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
  98         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
  99         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 100         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 101                                         },\r
 102                                         far ShiftNames[] =              // Shifted ASCII for scan codes\r
 103                                         {\r
 104 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 105         0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
 106         'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
 107         'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
 108         'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 109         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 110         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 111         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 112         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 113                                         },\r
 114                                         far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
 115                                         {\r
 116 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 117         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
 118         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
 119         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
 120         0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 121         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
 122         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 123         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 124         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 125                                         },\r
 126                                         *ScanNames[] =          // Scan code names with single chars\r
 127                                         {\r
 128         "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
 129         "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
 130         "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
 131         "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
 132         "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
 133         "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 134         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 135         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
 136                                         },      // DEBUG - consolidate these\r
 137                                         far ExtScanCodes[] =    // Scan codes with >1 char names\r
 138                                         {\r
 139         1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
 140         0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
 141         0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
 142         0x50,0x4b,0x4d,0x00\r
 143                                         },\r
 144                                         *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
 145                                         {\r
 146         "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
 147         "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
 148         "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
 149         "Down","Left","Right",""\r
 150                                         };\r
 151 \r
 152 static  Direction       DirTable[] =            // Quick lookup for total direction\r
 153                                         {\r
 154                                                 //dir_Nortinest,\r
 155                                                 dir_North,\r
 156                                                 dir_West,\r
 157                                                 dir_None,\r
 158                                                 dir_East,\r
 159                                                 dir_South\r
 160                                                 //dir_NorthEast,\r
 161                                                 //dir_Soutinest,\r
 162                                                 //,dir_SouthEast\r
 163                                         };\r
 164 #ifdef __cplusplus\r
 165 }\r
 166 #endif\r
 167 \r
 168 //      Internal routines\r
 169 ///////////////////////////////////////////////////////////////////////////\r
 170 //\r
 171 //      INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
 172 //\r
 173 ///////////////////////////////////////////////////////////////////////////\r
 174 void interrupt\r
 175 INL_KeyService()\r
 176 {\r
 177 static  boolean special;\r
 178                 byte    k,c;\r
 179                 register byte temp;\r
 180 \r
 181         k = inp(0x60);  // Get the scan code\r
 182 \r
 183         // Tell the XT keyboard controller to clear the key\r
 184         outp(0x61,(temp = inp(0x61)) | 0x80);\r
 185         outp(0x61,temp);\r
 186 \r
 187         if (k == 0xe0)          // Special key prefix\r
 188                 special = true;\r
 189         else if (k == 0xe1)     // Handle Pause key\r
 190                 inpu.Paused = true;\r
 191         else\r
 192         {\r
 193                 if (k & 0x80)   // Break code\r
 194                 {\r
 195                         k &= 0x7f;\r
 196 \r
 197 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 198 \r
 199                         inpu.Keyboard[k] = false;\r
 200                 }\r
 201                 else                    // Make code\r
 202                 {\r
 203                         inst.LastCode = inst.CurCode;\r
 204                         inst.CurCode = inpu.LastScan = k;\r
 205                         inpu.Keyboard[k] = true;\r
 206 \r
 207                         if (special)\r
 208                                 c = SpecialNames[k];\r
 209                         else\r
 210                         {\r
 211                                 if (k == sc_CapsLock)\r
 212                                 {\r
 213                                         inst.CapsLock ^= true;\r
 214                                         // DEBUG - make caps lock light work\r
 215                                 }\r
 216 \r
 217                                 if (inpu.Keyboard[sc_LShift] || inpu.Keyboard[sc_RShift])       // If shifted\r
 218                                 {\r
 219                                         c = ShiftNames[k];\r
 220                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 221                                                 c += 'a' - 'A';\r
 222                                 }\r
 223                                 else\r
 224                                 {\r
 225                                         c = ASCIINames[k];\r
 226                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 227                                                 c -= 'a' - 'A';\r
 228                                 }\r
 229                         }\r
 230                         if (c)\r
 231                                 inpu.LastASCII = c;\r
 232                 }\r
 233 \r
 234                 special = false;\r
 235         }\r
 236 \r
 237         if (INL_KeyHook && !special)\r
 238                 INL_KeyHook();\r
 239 //#ifdef TESTKEYIN\r
 240         if(testkeyin > 0) printf("%c    [0x%x %u]       %u\n", c, k, k, inpu.Keyboard[k]);\r
 241 //endif\r
 242         outp(0x20,0x20);\r
 243 }\r
 244 \r
 245 void\r
 246 Mouse(int x)\r
 247 {\r
 248         union REGS CPURegs;\r
 249         x = CPURegs.x.ax;\r
 250         int86(MouseInt,&CPURegs,&CPURegs);\r
 251 }\r
 252 \r
 253 ///////////////////////////////////////////////////////////////////////////\r
 254 //\r
 255 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 256 //              mouse driver\r
 257 //\r
 258 ///////////////////////////////////////////////////////////////////////////\r
 259 static void\r
 260 INL_GetMouseDelta(int *x,int *y)\r
 261 {\r
 262         union REGS CPURegs;\r
 263         Mouse(MDelta);\r
 264         *x = CPURegs.x.cx;\r
 265         *y = CPURegs.x.dx;\r
 266 }\r
 267 \r
 268 ///////////////////////////////////////////////////////////////////////////\r
 269 //\r
 270 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 271 //              mouse driver\r
 272 //\r
 273 ///////////////////////////////////////////////////////////////////////////\r
 274 static word\r
 275 INL_GetMouseButtons(void)\r
 276 {\r
 277         union REGS CPURegs;\r
 278         word    buttons;\r
 279 \r
 280         Mouse(MButtons);\r
 281         buttons = CPURegs.x.bx;\r
 282         return(buttons);\r
 283 }\r
 284 \r
 285 ///////////////////////////////////////////////////////////////////////////\r
 286 //\r
 287 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 288 //\r
 289 ///////////////////////////////////////////////////////////////////////////\r
 290 void\r
 291 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 292 {\r
 293         byte    xb,yb,\r
 294                         xs,ys;\r
 295         word    x,y;\r
 296 \r
 297         x = y = 0;\r
 298         xs = joy? 2 : 0;                // Find shift value for x axis\r
 299         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 300         ys = joy? 3 : 1;                // Do the same for y axis\r
 301         yb = 1 << ys;\r
 302 \r
 303 // Read the absolute joystick values\r
 304         __asm\r
 305         {\r
 306                 pushf                           // Save some registers\r
 307                 push    si\r
 308                 push    di\r
 309                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 310 \r
 311 \r
 312                 mov             dx,0x201\r
 313                 in              al,dx\r
 314                 out             dx,al           // Clear the resistors\r
 315 \r
 316                 mov             ah,[xb]         // Get masks into registers\r
 317                 mov             ch,[yb]\r
 318 \r
 319                 xor             si,si           // Clear count registers\r
 320                 xor             di,di\r
 321                 xor             bh,bh           // Clear high byte of bx for later\r
 322 \r
 323                 push    bp                      // Don't mess up stack frame\r
 324                 mov             bp,MaxJoyValue\r
 325 \r
 326 loo:\r
 327                 in              al,dx           // Get bits indicating whether all are finished\r
 328 \r
 329                 dec             bp                      // Check bounding register\r
 330                 jz              done            // We have a silly value - abort\r
 331 \r
 332                 mov             bl,al           // Duplicate the bits\r
 333                 and             bl,ah           // Mask off useless bits (in [xb])\r
 334                 add             si,bx           // Possibly increment count register\r
 335                 mov             cl,bl           // Save for testing later\r
 336 \r
 337                 mov             bl,al\r
 338                 and             bl,ch           // [yb]\r
 339                 add             di,bx\r
 340 \r
 341                 add             cl,bl\r
 342                 jnz             loo             // If both bits were 0, drop out\r
 343 \r
 344 done:\r
 345                 pop             bp\r
 346 \r
 347                 mov             cl,[xs]         // Get the number of bits to shift\r
 348                 shr             si,cl           //  and shift the count that many times\r
 349 \r
 350                 mov             cl,[ys]\r
 351                 shr             di,cl\r
 352 \r
 353                 mov             [x],si          // Store the values into the variables\r
 354                 mov             [y],di\r
 355 \r
 356                 pop             di\r
 357                 pop             si\r
 358                 popf                            // Restore the registers\r
 359         }\r
 360 \r
 361         *xp = x;\r
 362         *yp = y;\r
 363 }\r
 364 \r
 365 ///////////////////////////////////////////////////////////////////////////\r
 366 //\r
 367 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 368 //              joystick (from +/-127, scaled adaptively)\r
 369 //\r
 370 ///////////////////////////////////////////////////////////////////////////\r
 371 static void\r
 372 INL_GetJoyDelta(word joy,int *dx,int *dy,boolean adaptive)\r
 373 {\r
 374         word            x,y;\r
 375         word    time;\r
 376         word TimeCount = *clockw;\r
 377         JoystickDef     *def;\r
 378 static  word    lasttime;\r
 379 \r
 380         IN_GetJoyAbs(joy,&x,&y);\r
 381         def = inpu.JoyDefs + joy;\r
 382 \r
 383         if (x < def->threshMinX)\r
 384         {\r
 385                 if (x < def->joyMinX)\r
 386                         x = def->joyMinX;\r
 387 \r
 388                 x = -(x - def->threshMinX);\r
 389                 x *= def->joyMultXL;\r
 390                 x >>= JoyScaleShift;\r
 391                 *dx = (x > 127)? -127 : -x;\r
 392         }\r
 393         else if (x > def->threshMaxX)\r
 394         {\r
 395                 if (x > def->joyMaxX)\r
 396                         x = def->joyMaxX;\r
 397 \r
 398                 x = x - def->threshMaxX;\r
 399                 x *= def->joyMultXH;\r
 400                 x >>= JoyScaleShift;\r
 401                 *dx = (x > 127)? 127 : x;\r
 402         }\r
 403         else\r
 404                 *dx = 0;\r
 405 \r
 406         if (y < def->threshMinY)\r
 407         {\r
 408                 if (y < def->joyMinY)\r
 409                         y = def->joyMinY;\r
 410 \r
 411                 y = -(y - def->threshMinY);\r
 412                 y *= def->joyMultYL;\r
 413                 y >>= JoyScaleShift;\r
 414                 *dy = (y > 127)? -127 : -y;\r
 415         }\r
 416         else if (y > def->threshMaxY)\r
 417         {\r
 418                 if (y > def->joyMaxY)\r
 419                         y = def->joyMaxY;\r
 420 \r
 421                 y = y - def->threshMaxY;\r
 422                 y *= def->joyMultYH;\r
 423                 y >>= JoyScaleShift;\r
 424                 *dy = (y > 127)? 127 : y;\r
 425         }\r
 426         else\r
 427                 *dy = 0;\r
 428 \r
 429         if (adaptive)\r
 430         {\r
 431                 time = (TimeCount - lasttime) / 2;\r
 432                 if (time)\r
 433                 {\r
 434                         if (time > 8)\r
 435                                 time = 8;\r
 436                         *dx *= time;\r
 437                         *dy *= time;\r
 438                 }\r
 439         }\r
 440         lasttime = TimeCount;\r
 441 }\r
 442 \r
 443 ///////////////////////////////////////////////////////////////////////////\r
 444 //\r
 445 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 446 //              joystick\r
 447 //\r
 448 ///////////////////////////////////////////////////////////////////////////\r
 449 static word\r
 450 INL_GetJoyButtons(word joy)\r
 451 {\r
 452 register        word    result;\r
 453 \r
 454         result = inp(0x201);    // Get all the joystick buttons\r
 455         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 456         result &= 3;                            // Mask off the useless bits\r
 457         result ^= 3;\r
 458         return(result);\r
 459 }\r
 460 \r
 461 ///////////////////////////////////////////////////////////////////////////\r
 462 //\r
 463 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 464 //              specified joystick\r
 465 //\r
 466 ///////////////////////////////////////////////////////////////////////////\r
 467 word\r
 468 IN_GetJoyButtonsDB(word joy)\r
 469 {\r
 470         word TimeCount = *clockw;\r
 471         word    lasttime;\r
 472         word            result1,result2;\r
 473 \r
 474         do\r
 475         {\r
 476                 result1 = INL_GetJoyButtons(joy);\r
 477                 lasttime = TimeCount;\r
 478                 while(TimeCount == lasttime)\r
 479                 result2 = INL_GetJoyButtons(joy);\r
 480         } while(result1 != result2);\r
 481         return(result1);\r
 482 }\r
 483 \r
 484 ///////////////////////////////////////////////////////////////////////////\r
 485 //\r
 486 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 487 //\r
 488 ///////////////////////////////////////////////////////////////////////////\r
 489 static void\r
 490 INL_StartKbd()\r
 491 {\r
 492         INL_KeyHook = 0;        // Clear key hook\r
 493 \r
 494         IN_ClearKeysDown();\r
 495 \r
 496         OldKeyVect = _dos_getvect(KeyInt);\r
 497         _dos_setvect(KeyInt,INL_KeyService);\r
 498 }\r
 499 \r
 500 ///////////////////////////////////////////////////////////////////////////\r
 501 //\r
 502 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 503 //\r
 504 ///////////////////////////////////////////////////////////////////////////\r
 505 static void\r
 506 INL_ShutKbd(void)\r
 507 {\r
 508         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 509 \r
 510         _dos_setvect(KeyInt,OldKeyVect);\r
 511 }\r
 512 \r
 513 ///////////////////////////////////////////////////////////////////////////\r
 514 //\r
 515 //      INL_StartMouse() - Detects and sets up the mouse\r
 516 //\r
 517 ///////////////////////////////////////////////////////////////////////////\r
 518 static boolean\r
 519 INL_StartMouse(void)\r
 520 {\r
 521         union REGS CPURegs;\r
 522         if(_dos_getvect(MouseInt))\r
 523         {\r
 524                 Mouse(MReset);\r
 525                 if(CPURegs.x.ax == 0xffff)\r
 526                         return(true);\r
 527         }\r
 528         return(false);\r
 529 }\r
 530 \r
 531 ///////////////////////////////////////////////////////////////////////////\r
 532 //\r
 533 //      INL_ShutMouse() - Cleans up after the mouse\r
 534 //\r
 535 ///////////////////////////////////////////////////////////////////////////\r
 536 static void\r
 537 INL_ShutMouse(void)\r
 538 {\r
 539 }\r
 540 \r
 541 //\r
 542 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 543 //\r
 544 static void\r
 545 INL_SetJoyScale(word joy)\r
 546 {\r
 547         JoystickDef     *def;\r
 548 \r
 549         def = &(inpu.JoyDefs[joy]);\r
 550         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 551         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 552         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 553         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 554 }\r
 555 \r
 556 ///////////////////////////////////////////////////////////////////////////\r
 557 //\r
 558 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 559 //              to set up scaling values\r
 560 //\r
 561 ///////////////////////////////////////////////////////////////////////////\r
 562 void\r
 563 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy)\r
 564 {\r
 565         word            d,r;\r
 566         JoystickDef     *def;\r
 567 \r
 568         def = &(inpu.JoyDefs[joy]);\r
 569 \r
 570         def->joyMinX = minx;\r
 571         def->joyMaxX = maxx;\r
 572         r = maxx - minx;\r
 573         d = r / 3;\r
 574         def->threshMinX = ((r / 2) - d) + minx;\r
 575         def->threshMaxX = ((r / 2) + d) + minx;\r
 576 \r
 577         def->joyMinY = miny;\r
 578         def->joyMaxY = maxy;\r
 579         r = maxy - miny;\r
 580         d = r / 3;\r
 581         def->threshMinY = ((r / 2) - d) + miny;\r
 582         def->threshMaxY = ((r / 2) + d) + miny;\r
 583 \r
 584         INL_SetJoyScale(joy);\r
 585 }\r
 586 \r
 587 ///////////////////////////////////////////////////////////////////////////\r
 588 //\r
 589 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 590 //                                      The auto-config assumes the joystick is centered\r
 591 //\r
 592 ///////////////////////////////////////////////////////////////////////////\r
 593 static boolean\r
 594 INL_StartJoy(word joy)\r
 595 {\r
 596         word            x,y;\r
 597 \r
 598         IN_GetJoyAbs(joy,&x,&y);\r
 599 \r
 600         if\r
 601         (\r
 602                 ((x == 0) || (x > MaxJoyValue - 10))\r
 603         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 604         )\r
 605                 return(false);\r
 606         else\r
 607         {\r
 608                 IN_SetupJoy(joy,0,x * 2,0,y * 2);\r
 609                 return(true);\r
 610         }\r
 611 }\r
 612 \r
 613 ///////////////////////////////////////////////////////////////////////////\r
 614 //\r
 615 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 616 //\r
 617 ///////////////////////////////////////////////////////////////////////////\r
 618 static void\r
 619 INL_ShutJoy(word joy)\r
 620 {\r
 621         inpu.JoysPresent[joy] = false;\r
 622 }\r
 623 \r
 624 //      Public routines\r
 625 \r
 626 ///////////////////////////////////////////////////////////////////////////\r
 627 //\r
 628 //      IN_Startup() - Starts up the Input Mgr\r
 629 //\r
 630 ///////////////////////////////////////////////////////////////////////////\r
 631 void\r
 632 IN_Startup()\r
 633 {\r
 634         boolean checkjoys,checkmouse;\r
 635         word    i;\r
 636 \r
 637         if (inst.IN_Started)\r
 638                 return;\r
 639 \r
 640         checkjoys = true;\r
 641         checkmouse = true;\r
 642         for (i = 1;i < __argc;i++)\r
 643         {\r
 644                 switch (US_CheckParm(__argv[i],ParmStringsIN))\r
 645                 {\r
 646                 case 0:\r
 647                         checkjoys = false;\r
 648                         break;\r
 649                 case 1:\r
 650                         checkmouse = false;\r
 651                         break;\r
 652                 }\r
 653         }\r
 654 \r
 655         INL_StartKbd();\r
 656         inpu.MousePresent = checkmouse? INL_StartMouse() : false;\r
 657 \r
 658         for (i = 0;i < MaxJoys;i++)\r
 659                 inpu.JoysPresent[i] = checkjoys? INL_StartJoy(i) : false;\r
 660 \r
 661         inst.IN_Started = true;\r
 662 }\r
 663 \r
 664 ///////////////////////////////////////////////////////////////////////////\r
 665 //\r
 666 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 667 //\r
 668 ///////////////////////////////////////////////////////////////////////////\r
 669 void\r
 670 IN_Default(boolean gotit,player_t *player,ControlType nt)\r
 671 {\r
 672         int i;\r
 673         if\r
 674         (\r
 675                 (!gotit)\r
 676         ||      ((nt == ctrl_Joystick1) && !inpu.JoysPresent[0])\r
 677         ||      ((nt == ctrl_Joystick2) && !inpu.JoysPresent[1])\r
 678         ||      ((nt == ctrl_Mouse) && !inpu.MousePresent)\r
 679         ||      ((nt == ctrl_Joypad1) && !inpu.JoyPadPresent[0])\r
 680         ||      ((nt == ctrl_Joypad2) && !inpu.JoyPadPresent[1])\r
 681         )\r
 682                 nt = ctrl_Keyboard1;\r
 683         inpu.KbdDefs[0].button0 = 0x1c;\r
 684         inpu.KbdDefs[0].button1 = 0x38;\r
 685         //in.KbdDefs[0].upleft = 0x47;\r
 686         inpu.KbdDefs[0].up = 0x48;\r
 687         //in.KbdDefs[0].upright = 0x49;\r
 688         inpu.KbdDefs[0].left = 0x4b;\r
 689         inpu.KbdDefs[0].right = 0x4d;\r
 690         //in.KbdDefs[0].downleft = 0x4f;\r
 691         inpu.KbdDefs[0].down = 0x50;\r
 692         //in.KbdDefs[0].downright = 0x51;\r
 693         IN_SetControlType(0,player,nt);\r
 694         for(i=0; i>MaxPlayers;i++)\r
 695                 player[i].d=2;\r
 696 }\r
 697 \r
 698 ///////////////////////////////////////////////////////////////////////////\r
 699 //\r
 700 //      IN_Shutdown() - Shuts down the Input Mgr\r
 701 //\r
 702 ///////////////////////////////////////////////////////////////////////////\r
 703 void\r
 704 IN_Shutdown()\r
 705 {\r
 706         word    i;\r
 707 \r
 708         if (!inst.IN_Started)\r
 709                 return;\r
 710 \r
 711         INL_ShutMouse();\r
 712         for (i = 0;i < MaxJoys;i++)\r
 713                 INL_ShutJoy(i);\r
 714         INL_ShutKbd();\r
 715 \r
 716         inst.IN_Started = false;\r
 717 }\r
 718 \r
 719 ///////////////////////////////////////////////////////////////////////////\r
 720 //\r
 721 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 722 //                      everytime a real make/break code gets hit\r
 723 //\r
 724 ///////////////////////////////////////////////////////////////////////////\r
 725 void\r
 726 IN_SetKeyHook(void (*hook)())\r
 727 {\r
 728         INL_KeyHook = hook;\r
 729 }\r
 730 \r
 731 ///////////////////////////////////////////////////////////////////////////\r
 732 //\r
 733 //      IN_ClearKeyDown() - Clears the keyboard array\r
 734 //\r
 735 ///////////////////////////////////////////////////////////////////////////\r
 736 void\r
 737 IN_ClearKeysDown()\r
 738 {\r
 739         int     i;\r
 740 \r
 741         inpu.LastScan = sc_None;\r
 742         inpu.LastASCII = key_None;\r
 743         memset (inpu.Keyboard,0,sizeof(inpu.Keyboard));\r
 744 }\r
 745 \r
 746 ///////////////////////////////////////////////////////////////////////////\r
 747 //\r
 748 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 749 //\r
 750 ///////////////////////////////////////////////////////////////////////////\r
 751 static void\r
 752 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 753 {\r
 754         if (buttons & (1 << 0))\r
 755                 info->button0 = true;\r
 756         if (buttons & (1 << 1))\r
 757                 info->button1 = true;\r
 758 \r
 759         info->x += dx;\r
 760         info->y += dy;\r
 761 }\r
 762 \r
 763 ///////////////////////////////////////////////////////////////////////////\r
 764 //\r
 765 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 766 //              struct\r
 767 //\r
 768 ///////////////////////////////////////////////////////////////////////////\r
 769 void\r
 770 IN_ReadCursor(CursorInfo *info)\r
 771 {\r
 772         word    i,\r
 773                         buttons;\r
 774         int             dx,dy;\r
 775 \r
 776         info->x = info->y = 0;\r
 777         info->button0 = info->button1 = false;\r
 778 \r
 779         if (inpu.MousePresent)\r
 780         {\r
 781                 buttons = INL_GetMouseButtons();\r
 782                 INL_GetMouseDelta(&dx,&dy);\r
 783                 INL_AdjustCursor(info,buttons,dx,dy);\r
 784         }\r
 785 \r
 786         for (i = 0;i < MaxJoys;i++)\r
 787         {\r
 788                 if (!inpu.JoysPresent[i])\r
 789                         continue;\r
 790 \r
 791                 buttons = INL_GetJoyButtons(i);\r
 792                 INL_GetJoyDelta(i,&dx,&dy,true);\r
 793                 dx /= 64;\r
 794                 dy /= 64;\r
 795                 INL_AdjustCursor(info,buttons,dx,dy);\r
 796         }\r
 797 }\r
 798 \r
 799 ///////////////////////////////////////////////////////////////////////////\r
 800 //\r
 801 //      IN_ReadControl() - Reads the device associated with the specified\r
 802 //              player and fills in the control info struct\r
 803 //\r
 804 ///////////////////////////////////////////////////////////////////////////\r
 805 void near\r
 806 IN_ReadControl(int pn,player_t *player)\r
 807 {\r
 808                         boolean         realdelta;\r
 809                         byte            dbyte;\r
 810                         word            buttons;\r
 811                         int                     dx,dy;\r
 812                         Motion          mx,my;\r
 813                         ControlType     type;\r
 814                         sword conpee;\r
 815                         byte dir=DirTable[2];\r
 816 register        KeyboardDef     *def;\r
 817 \r
 818         dx = dy = 0;\r
 819         mx = my = motion_None;\r
 820         buttons = 0;\r
 821 \r
 822 #if DEMO0\r
 823         if (DemoMode == demo_Playback)\r
 824         {\r
 825                 dbyte = DemoBuffer[DemoOffset + 1];\r
 826                 my = (dbyte & 3) - 1;\r
 827                 mx = ((dbyte >> 2) & 3) - 1;\r
 828                 buttons = (dbyte >> 4) & 3;\r
 829 \r
 830                 if (!(--DemoBuffer[DemoOffset]))\r
 831                 {\r
 832                         DemoOffset += 2;\r
 833                         if (DemoOffset >= DemoSize)\r
 834                                 DemoMode = demo_PlayDone;\r
 835                 }\r
 836 \r
 837                 realdelta = false;\r
 838         }\r
 839         else if (DemoMode == demo_PlayDone)\r
 840                 Quit("Demo playback exceeded");\r
 841         else\r
 842         {\r
 843 #endif\r
 844                 switch (type = player[pn].Controls)\r
 845                 {\r
 846                 case ctrl_Keyboard1:\r
 847                 case ctrl_Keyboard2:\r
 848                         def = &(inpu.KbdDefs[type - ctrl_Keyboard]);\r
 849 \r
 850 /*                      if (Keyboard[def->upleft])\r
 851                                 mx = motion_Left,my = motion_Up;\r
 852                         else if (Keyboard[def->upright])\r
 853                                 mx = motion_Right,my = motion_Up;\r
 854                         else if (Keyboard[def->downleft])\r
 855                                 mx = motion_Left,my = motion_Down;\r
 856                         else if (Keyboard[def->downright])\r
 857                                 mx = motion_Right,my = motion_Down;*/\r
 858                         if(DIRECTIONIFELSEGFXTEST)\r
 859                         {\r
 860                         if(!inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]){\r
 861                                 if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]))\r
 862                                         my = motion_Up;\r
 863                                 if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up]))\r
 864                                         my = motion_Down;\r
 865                         }else if(!inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]){\r
 866                                 if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]))\r
 867                                         mx = motion_Left;\r
 868                                 if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left]))// || player[pn].pdir != 1)\r
 869                                         mx = motion_Right;\r
 870                         }else{  //2 keys pressed\r
 871                                         switch (player[pn].pdir)\r
 872                                         {\r
 873                                                 case 0:\r
 874                                                 case 4:\r
 875                                                         if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right])) dir = DirTable[1];\r
 876                                                         else if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left])) dir = DirTable[3];\r
 877                                                 break;\r
 878                                                 case 1:\r
 879                                                 case 3:\r
 880                                                         if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down])) dir = DirTable[0];\r
 881                                                         else if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up])) dir = DirTable[4];\r
 882                                                 break;\r
 883                                                 default:\r
 884                                                 break;\r
 885                                         }\r
 886                                         if(testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c      ", dirchar(player[pn].pdir)); }\r
 887                                 }\r
 888                         }\r
 889                         //input from player\r
 890                         if (inpu.Keyboard[def->button0])\r
 891                                 buttons += 1 << 0;\r
 892                         if (inpu.Keyboard[def->button1])\r
 893                                 buttons += 1 << 1;\r
 894                         realdelta = false;\r
 895                         break;\r
 896                 case ctrl_Joystick1:\r
 897                 case ctrl_Joystick2:\r
 898                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy,false);\r
 899                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 900                         realdelta = true;\r
 901                         break;\r
 902                 case ctrl_Mouse:\r
 903                         INL_GetMouseDelta(&dx,&dy);\r
 904                         buttons = INL_GetMouseButtons();\r
 905                         realdelta = true;\r
 906                         break;\r
 907                 case ctrl_Joypad1:\r
 908                 case ctrl_Joypad2:\r
 909                         printf("wwww");\r
 910                         break;\r
 911                 }\r
 912 #ifdef DEMO0\r
 913         }\r
 914 #endif\r
 915 \r
 916         if (realdelta)\r
 917         {\r
 918                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 919                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 920         }\r
 921         else\r
 922         {\r
 923                 dx = mx;// * 127;\r
 924                 dy = my;// * 127;\r
 925         }\r
 926 \r
 927         player[pn].info.x = dx;\r
 928         player[pn].info.xaxis = mx;\r
 929         player[pn].info.y = dy;\r
 930         player[pn].info.yaxis = my;\r
 931         player[pn].info.button0 = buttons & (1 << 0);\r
 932         player[pn].info.button1 = buttons & (1 << 1);\r
 933         player[pn].info.button2 = buttons & (1 << 2);\r
 934         player[pn].info.button3 = buttons & (1 << 3);\r
 935 //      player[pn].info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 936         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 937         player[pn].info.dir = DirTable[conpee];\r
 938 \r
 939         //TODO: overwriting direction must be added\r
 940         if(DirTable[conpee]!=2) player[pn].pdir=DirTable[conpee];\r
 941         if(player[pn].q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 942         {\r
 943                 if(dir==2) player[pn].d = player[pn].info.dir;\r
 944                 else player[pn].d = DirTable[dir];\r
 945         }\r
 946 \r
 947 #if DEMO0\r
 948         if (DemoMode == demo_Record)\r
 949         {\r
 950                 // Pack the control info into a byte\r
 951                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 952 \r
 953                 if\r
 954                 (\r
 955                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 956                 &&      (DemoBuffer[DemoOffset] < 255)\r
 957                 )\r
 958                         (DemoBuffer[DemoOffset])++;\r
 959                 else\r
 960                 {\r
 961                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 962                                 DemoOffset += 2;\r
 963 \r
 964                         if (DemoOffset >= DemoSize)\r
 965                                 Quit("Demo buffer overflow");\r
 966 \r
 967                         DemoBuffer[DemoOffset] = 1;\r
 968                         DemoBuffer[DemoOffset + 1] = dbyte;\r
 969                 }\r
 970         }\r
 971 #endif\r
 972 //#ifdef TESTCONTROLNOISY\r
 973 if(testcontrolnoisy > 0)\r
 974 if((inpu.Keyboard[def->up] || inpu.Keyboard[def->down] || inpu.Keyboard[def->left] || inpu.Keyboard[def->right]) || player[pn].q>1)\r
 975 {\r
 976         printf("q=%d ", player[pn].q);\r
 977         printf("cpee=%c ", dirchar(conpee));\r
 978         //printf("(mx)=%d       ", mx);\r
 979         //printf("(my)=%d       ", my);\r
 980         printf("pdir=%c d=%c dir=%c ", dirchar(player[pn].pdir), dirchar(player[pn].d), dirchar(player[pn].info.dir));\r
 981         printf("%c%d %c%d %c%d %c%d\n", dirchar(0), inpu.Keyboard[def->up], dirchar(4), inpu.Keyboard[def->down], dirchar(1), inpu.Keyboard[def->left], dirchar(3), inpu.Keyboard[def->right]);\r
 982 }\r
 983 //#endif\r
 984 }\r
 985 \r
 986 ///////////////////////////////////////////////////////////////////////////\r
 987 //\r
 988 //      IN_SetControlType() - Sets the control type to be used by the specified\r
 989 //              player\r
 990 //\r
 991 ///////////////////////////////////////////////////////////////////////////\r
 992 void\r
 993 IN_SetControlType(word pn,player_t *player,ControlType type)\r
 994 {\r
 995         // DEBUG - check that requested type is present?\r
 996         player[pn].Controls = type;\r
 997 }\r
 998 \r
 999 #if DEMO0\r
1000 ///////////////////////////////////////////////////////////////////////////\r
1001 //\r
1002 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1003 //              size passed. Returns if the buffer allocation was successful\r
1004 //\r
1005 ///////////////////////////////////////////////////////////////////////////\r
1006 boolean\r
1007 IN_StartDemoRecord(word bufsize)\r
1008 {\r
1009         if (!bufsize)\r
1010                 return(false);\r
1011 \r
1012         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1013         DemoMode = demo_Record;\r
1014         DemoSize = bufsize & ~1;\r
1015         DemoOffset = 0;\r
1016         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1017 \r
1018         return(true);\r
1019 }\r
1020 \r
1021 ///////////////////////////////////////////////////////////////////////////\r
1022 //\r
1023 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1024 //\r
1025 ///////////////////////////////////////////////////////////////////////////\r
1026 void\r
1027 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1028 {\r
1029         DemoBuffer = buffer;\r
1030         DemoMode = demo_Playback;\r
1031         DemoSize = bufsize & ~1;\r
1032         DemoOffset = 0;\r
1033 }\r
1034 \r
1035 ///////////////////////////////////////////////////////////////////////////\r
1036 //\r
1037 //      IN_StopDemo() - Turns off demo mode\r
1038 //\r
1039 ///////////////////////////////////////////////////////////////////////////\r
1040 void\r
1041 IN_StopDemo(void)\r
1042 {\r
1043         if ((DemoMode == demo_Record) && DemoOffset)\r
1044                 DemoOffset += 2;\r
1045 \r
1046         DemoMode = demo_Off;\r
1047 }\r
1048 \r
1049 ///////////////////////////////////////////////////////////////////////////\r
1050 //\r
1051 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1052 //\r
1053 ///////////////////////////////////////////////////////////////////////////\r
1054 void\r
1055 IN_FreeDemoBuffer(void)\r
1056 {\r
1057         if (DemoBuffer)\r
1058                 MM_FreePtr((memptr *)&DemoBuffer);\r
1059 }\r
1060 #endif\r
1061 \r
1062 \r
1063 ///////////////////////////////////////////////////////////////////////////\r
1064 //\r
1065 //      IN_GetScanName() - Returns a string containing the name of the\r
1066 //              specified scan code\r
1067 //\r
1068 ///////////////////////////////////////////////////////////////////////////\r
1069 byte *\r
1070 IN_GetScanName(ScanCode scan)\r
1071 {\r
1072         byte            **p;\r
1073         ScanCode        far *s;\r
1074 \r
1075         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1076                 if (*s == scan)\r
1077                         return(*p);\r
1078 \r
1079         return(ScanNames[scan]);\r
1080 }\r
1081 \r
1082 ///////////////////////////////////////////////////////////////////////////\r
1083 //\r
1084 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1085 //              returns the scan code\r
1086 //\r
1087 ///////////////////////////////////////////////////////////////////////////\r
1088 ScanCode\r
1089 IN_WaitForKey()\r
1090 {\r
1091         ScanCode        result;\r
1092 \r
1093         while (!(result = inpu.LastScan))\r
1094                 ;\r
1095         inpu.LastScan = 0;\r
1096         return(result);\r
1097 }\r
1098 \r
1099 ///////////////////////////////////////////////////////////////////////////\r
1100 //\r
1101 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1102 //              returns the ASCII value\r
1103 //\r
1104 ///////////////////////////////////////////////////////////////////////////\r
1105 char\r
1106 IN_WaitForASCII()\r
1107 {\r
1108         char            result;\r
1109 \r
1110         while (!(result = inpu.LastASCII))\r
1111                 ;\r
1112         inpu.LastASCII = '\0';\r
1113         return(result);\r
1114 }\r
1115 \r
1116 ///////////////////////////////////////////////////////////////////////////\r
1117 //\r
1118 //      IN_AckBack() - Waits for either an ASCII keypress or a button press\r
1119 //\r
1120 ///////////////////////////////////////////////////////////////////////////\r
1121 void\r
1122 IN_AckBack()\r
1123 {\r
1124         word    i;\r
1125 \r
1126         while (!inpu.LastScan)\r
1127         {\r
1128                 if (inpu.MousePresent)\r
1129                 {\r
1130                         if (INL_GetMouseButtons())\r
1131                         {\r
1132                                 while (INL_GetMouseButtons())\r
1133                                         ;\r
1134                                 return;\r
1135                         }\r
1136                 }\r
1137 \r
1138                 for (i = 0;i < MaxJoys;i++)\r
1139                 {\r
1140                         if (inpu.JoysPresent[i])\r
1141                         {\r
1142                                 if (IN_GetJoyButtonsDB(i))\r
1143                                 {\r
1144                                         while (IN_GetJoyButtonsDB(i))\r
1145                                                 ;\r
1146                                         return;\r
1147                                 }\r
1148                         }\r
1149                 }\r
1150         }\r
1151 \r
1152         IN_ClearKey(inpu.LastScan);\r
1153         inpu.LastScan = sc_None;\r
1154 }\r
1155 \r
1156 ///////////////////////////////////////////////////////////////////////////\r
1157 //\r
1158 //      IN_Ack() - Clears user input & then calls IN_AckBack()\r
1159 //\r
1160 ///////////////////////////////////////////////////////////////////////////\r
1161 void\r
1162 IN_Ack()\r
1163 {\r
1164         word    i;\r
1165 \r
1166         IN_ClearKey(inpu.LastScan);\r
1167         inpu.LastScan = sc_None;\r
1168 \r
1169         if (inpu.MousePresent)\r
1170                 while (INL_GetMouseButtons())\r
1171                                         ;\r
1172         for (i = 0;i < MaxJoys;i++)\r
1173                 if (inpu.JoysPresent[i])\r
1174                         while (IN_GetJoyButtonsDB(i))\r
1175                                 ;\r
1176 \r
1177         IN_AckBack();\r
1178 }\r
1179 \r
1180 ///////////////////////////////////////////////////////////////////////////\r
1181 //\r
1182 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1183 //              is down\r
1184 //\r
1185 ///////////////////////////////////////////////////////////////////////////\r
1186 boolean\r
1187 IN_IsUserInput()\r
1188 {\r
1189         boolean result;\r
1190         word    i;\r
1191 \r
1192         result = inpu.LastScan;\r
1193 \r
1194         if (inpu.MousePresent)\r
1195                 if (INL_GetMouseButtons())\r
1196                         result = true;\r
1197 \r
1198         for (i = 0;i < MaxJoys;i++)\r
1199                 if (inpu.JoysPresent[i])\r
1200                         if (INL_GetJoyButtons(i))\r
1201                                 result = true;\r
1202 \r
1203         return(result);\r
1204 }\r
1205 \r
1206 ///////////////////////////////////////////////////////////////////////////\r
1207 //\r
1208 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1209 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1210 //              then either clears the key or waits for the user to let the mouse\r
1211 //              button up.\r
1212 //\r
1213 ///////////////////////////////////////////////////////////////////////////\r
1214 boolean\r
1215 IN_UserInput(dword delay,boolean clear)\r
1216 {\r
1217         word TimeCount = *clockw;\r
1218         word    lasttime;\r
1219 \r
1220         lasttime = TimeCount;\r
1221         do\r
1222         {\r
1223                 if (IN_IsUserInput())\r
1224                 {\r
1225                         if (clear)\r
1226                                 IN_AckBack();\r
1227                         return(true);\r
1228                 }\r
1229         } while (TimeCount - lasttime < delay);\r
1230         return(false);\r
1231 }\r
1232 \r
1233 boolean IN_KeyDown(byte code)\r
1234 {\r
1235         return inpu.Keyboard[code];\r
1236 }\r
1237 \r
1238 void IN_ClearKey(byte code)\r
1239 {\r
1240         inpu.Keyboard[code] = false;\r
1241         if(code == inpu.LastScan)\r
1242                 inpu.LastScan = sc_None;\r
1243         }\r
1244 \r
1245 boolean IN_qb(byte kee)\r
1246 {\r
1247 //#ifdef TESTKEYIN\r
1248 //      if(testkeyin > 0) printf("%u\n", inpu.Keyboard[kee]);\r
1249 //#endif\r
1250         if(inpu.Keyboard[kee]==true) return 1;\r
1251         else return 0;\r
1252 }\r