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 static word far* clockw= (word far*) 0x046C; /* 18.2hz clock */\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         Keyboard[NumCodes];\r
  55         boolean         Paused;\r
  56         char            LastASCII;\r
  57         ScanCode        LastScan;\r
  58 \r
  59         KeyboardDef     KbdDefs[MaxKbds];\r
  60         JoystickDef     JoyDefs[MaxJoys];\r
  61 } inpu;\r
  62 \r
  63 //extern inconfig inpu;\r
  64 //inpu.KbdDefs = {0x1d,0x38,/*0x47,*/0x48,/*0x49,*/0x4b,0x4d,/*0x4f,*/0x50/*,0x51*/};\r
  65 \r
  66 /*\r
  67 =============================================================================\r
  68 \r
  69                                         LOCAL VARIABLES\r
  70 \r
  71 =============================================================================\r
  72 */\r
  73 \r
  74 #ifdef __cplusplus              /* Function must be declared C style */\r
  75 extern "C" {\r
  76 #endif\r
  77 \r
  78 static struct instat {\r
  79         boolean         IN_Started;\r
  80         boolean         CapsLock;\r
  81         ScanCode        CurCode,LastCode;\r
  82 } inst;\r
  83 \r
  84 static  void                    (*INL_KeyHook)(void);\r
  85 static  void interrupt  (*OldKeyVect)(void);\r
  86 static  char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
  87 \r
  88 static  byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
  89                                         {\r
  90 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
  91         0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
  92         'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
  93         'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
  94         'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
  95         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
  96         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
  97         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
  98         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
  99                                         },\r
 100                                         far ShiftNames[] =              // Shifted ASCII for scan codes\r
 101                                         {\r
 102 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 103         0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
 104         'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
 105         'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
 106         'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 107         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 108         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 109         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 110         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 111                                         },\r
 112                                         far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
 113                                         {\r
 114 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 115         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
 116         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
 117         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
 118         0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 119         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
 120         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 121         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 122         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 123                                         },\r
 124                                         *ScanNames[] =          // Scan code names with single chars\r
 125                                         {\r
 126         "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
 127         "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
 128         "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
 129         "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
 130         "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
 131         "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 132         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 133         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
 134                                         },      // DEBUG - consolidate these\r
 135                                         far ExtScanCodes[] =    // Scan codes with >1 char names\r
 136                                         {\r
 137         1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
 138         0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
 139         0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
 140         0x50,0x4b,0x4d,0x00\r
 141                                         },\r
 142                                         *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
 143                                         {\r
 144         "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
 145         "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
 146         "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
 147         "Down","Left","Right",""\r
 148                                         };\r
 149 \r
 150 static  Direction       DirTable[] =            // Quick lookup for total direction\r
 151                                         {\r
 152                                                 //dir_Nortinest,\r
 153                                                 dir_North,\r
 154                                                 dir_West,\r
 155                                                 dir_None,\r
 156                                                 dir_East,\r
 157                                                 dir_South\r
 158                                                 //dir_NorthEast,\r
 159                                                 //dir_Soutinest,\r
 160                                                 //,dir_SouthEast\r
 161                                         };\r
 162 #ifdef __cplusplus\r
 163 }\r
 164 #endif\r
 165 \r
 166 //      Internal routines\r
 167 \r
 168 ///////////////////////////////////////////////////////////////////////////\r
 169 //\r
 170 //      INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
 171 //\r
 172 ///////////////////////////////////////////////////////////////////////////\r
 173 void interrupt\r
 174 INL_KeyService()\r
 175 {\r
 176 static  boolean special;\r
 177                 byte    k,c;\r
 178                 register byte temp;\r
 179 \r
 180         k = inp(0x60);  // Get the scan code\r
 181 \r
 182         // Tell the XT keyboard controller to clear the key\r
 183         outp(0x61,(temp = inp(0x61)) | 0x80);\r
 184         outp(0x61,temp);\r
 185 \r
 186         if (k == 0xe0)          // Special key prefix\r
 187                 special = true;\r
 188         else if (k == 0xe1)     // Handle Pause key\r
 189                 inpu.Paused = true;\r
 190         else\r
 191         {\r
 192                 if (k & 0x80)   // Break code\r
 193                 {\r
 194                         k &= 0x7f;\r
 195 \r
 196 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 197 \r
 198                         inpu.Keyboard[k] = false;\r
 199                 }\r
 200                 else                    // Make code\r
 201                 {\r
 202                         inst.LastCode = inst.CurCode;\r
 203                         inst.CurCode = inpu.LastScan = k;\r
 204                         inpu.Keyboard[k] = true;\r
 205 \r
 206                         if (special)\r
 207                                 c = SpecialNames[k];\r
 208                         else\r
 209                         {\r
 210                                 if (k == sc_CapsLock)\r
 211                                 {\r
 212                                         inst.CapsLock ^= true;\r
 213                                         // DEBUG - make caps lock light work\r
 214                                 }\r
 215 \r
 216                                 if (inpu.Keyboard[sc_LShift] || inpu.Keyboard[sc_RShift])       // If shifted\r
 217                                 {\r
 218                                         c = ShiftNames[k];\r
 219                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 220                                                 c += 'a' - 'A';\r
 221                                 }\r
 222                                 else\r
 223                                 {\r
 224                                         c = ASCIINames[k];\r
 225                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 226                                                 c -= 'a' - 'A';\r
 227                                 }\r
 228                         }\r
 229                         if (c)\r
 230                                 inpu.LastASCII = c;\r
 231                 }\r
 232 \r
 233                 special = false;\r
 234         }\r
 235 \r
 236         if (INL_KeyHook && !special)\r
 237                 INL_KeyHook();\r
 238 #ifdef __DEBUG_InputMgr__\r
 239         if(dbg_testkeyin > 0) printf("%c        %u      [0x%x %u]       %u\n", c, c, k, k, inpu.Keyboard[k]);\r
 240 #endif\r
 241         outp(0x20,0x20);\r
 242 }\r
 243 \r
 244 void\r
 245 Mouse(int x)\r
 246 {\r
 247         //union REGS CPURegs;\r
 248         //x = CPURegs.x.ax;\r
 249         __asm {\r
 250                 mov     ax,x\r
 251                 int     MouseInt\r
 252         }\r
 253         //int86(MouseInt,&CPURegs,&CPURegs);\r
 254 }\r
 255 \r
 256 ///////////////////////////////////////////////////////////////////////////\r
 257 //\r
 258 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 259 //              mouse driver\r
 260 //\r
 261 ///////////////////////////////////////////////////////////////////////////\r
 262 static void\r
 263 INL_GetMouseDelta(int *x,int *y)\r
 264 {\r
 265         union REGS CPURegs;\r
 266         Mouse(MDelta);\r
 267         *x = CPURegs.x.cx;\r
 268         *y = CPURegs.x.dx;\r
 269 }\r
 270 \r
 271 ///////////////////////////////////////////////////////////////////////////\r
 272 //\r
 273 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 274 //              mouse driver\r
 275 //\r
 276 ///////////////////////////////////////////////////////////////////////////\r
 277 static word\r
 278 INL_GetMouseButtons(void)\r
 279 {\r
 280         union REGS CPURegs;\r
 281         word    buttons;\r
 282 \r
 283         Mouse(MButtons);\r
 284         buttons = CPURegs.x.bx;\r
 285         return(buttons);\r
 286 }\r
 287 \r
 288 ///////////////////////////////////////////////////////////////////////////\r
 289 //\r
 290 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 291 //\r
 292 ///////////////////////////////////////////////////////////////////////////\r
 293 void\r
 294 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 295 {\r
 296         byte    xb,yb,\r
 297                         xs,ys;\r
 298         word    x,y;\r
 299 \r
 300         x = y = 0;\r
 301         xs = joy? 2 : 0;                // Find shift value for x axis\r
 302         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 303         ys = joy? 3 : 1;                // Do the same for y axis\r
 304         yb = 1 << ys;\r
 305 \r
 306 // Read the absolute joystick values\r
 307         __asm {\r
 308                 pushf                           // Save some registers\r
 309                 push    si\r
 310                 push    di\r
 311                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 312 \r
 313 \r
 314                 mov             dx,0x201\r
 315                 in              al,dx\r
 316                 out             dx,al           // Clear the resistors\r
 317 \r
 318                 mov             ah,[xb]         // Get masks into registers\r
 319                 mov             ch,[yb]\r
 320 \r
 321                 xor             si,si           // Clear count registers\r
 322                 xor             di,di\r
 323                 xor             bh,bh           // Clear high byte of bx for later\r
 324 \r
 325                 push    bp                      // Don't mess up stack frame\r
 326                 mov             bp,MaxJoyValue\r
 327 #ifdef __BORLANDC__\r
 328         }\r
 329 #endif\r
 330 loo:\r
 331 #ifdef __BORLANDC__\r
 332         __asm {\r
 333 #endif\r
 334                 in              al,dx           // Get bits indicating whether all are finished\r
 335 \r
 336                 dec             bp                      // Check bounding register\r
 337                 jz              done            // We have a silly value - abort\r
 338 \r
 339                 mov             bl,al           // Duplicate the bits\r
 340                 and             bl,ah           // Mask off useless bits (in [xb])\r
 341                 add             si,bx           // Possibly increment count register\r
 342                 mov             cl,bl           // Save for testing later\r
 343 \r
 344                 mov             bl,al\r
 345                 and             bl,ch           // [yb]\r
 346                 add             di,bx\r
 347 \r
 348                 add             cl,bl\r
 349                 jnz             loo             // If both bits were 0, drop out\r
 350 #ifdef __BORLANDC__\r
 351         }\r
 352 #endif\r
 353 done:\r
 354 #ifdef __BORLANDC__\r
 355         __asm {\r
 356 #endif\r
 357                 pop             bp\r
 358 \r
 359                 mov             cl,[xs]         // Get the number of bits to shift\r
 360                 shr             si,cl           //  and shift the count that many times\r
 361 \r
 362                 mov             cl,[ys]\r
 363                 shr             di,cl\r
 364 \r
 365                 mov             [x],si          // Store the values into the variables\r
 366                 mov             [y],di\r
 367 \r
 368                 pop             di\r
 369                 pop             si\r
 370                 popf                            // Restore the registers\r
 371         }\r
 372 \r
 373         *xp = x;\r
 374         *yp = y;\r
 375 }\r
 376 \r
 377 ///////////////////////////////////////////////////////////////////////////\r
 378 //\r
 379 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 380 //              joystick (from +/-127, scaled adaptively)\r
 381 //\r
 382 ///////////////////////////////////////////////////////////////////////////\r
 383 static void\r
 384 INL_GetJoyDelta(word joy,int *dx,int *dy,boolean adaptive)\r
 385 {\r
 386         word            x,y;\r
 387         word    time;\r
 388         word TimeCount = *clockw;\r
 389         JoystickDef     *def;\r
 390 static  word    lasttime;\r
 391 \r
 392         IN_GetJoyAbs(joy,&x,&y);\r
 393         def = inpu.JoyDefs + joy;\r
 394 \r
 395         if (x < def->threshMinX)\r
 396         {\r
 397                 if (x < def->joyMinX)\r
 398                         x = def->joyMinX;\r
 399 \r
 400                 x = -(x - def->threshMinX);\r
 401                 x *= def->joyMultXL;\r
 402                 x >>= JoyScaleShift;\r
 403                 *dx = (x > 127)? -127 : -x;\r
 404         }\r
 405         else if (x > def->threshMaxX)\r
 406         {\r
 407                 if (x > def->joyMaxX)\r
 408                         x = def->joyMaxX;\r
 409 \r
 410                 x = x - def->threshMaxX;\r
 411                 x *= def->joyMultXH;\r
 412                 x >>= JoyScaleShift;\r
 413                 *dx = (x > 127)? 127 : x;\r
 414         }\r
 415         else\r
 416                 *dx = 0;\r
 417 \r
 418         if (y < def->threshMinY)\r
 419         {\r
 420                 if (y < def->joyMinY)\r
 421                         y = def->joyMinY;\r
 422 \r
 423                 y = -(y - def->threshMinY);\r
 424                 y *= def->joyMultYL;\r
 425                 y >>= JoyScaleShift;\r
 426                 *dy = (y > 127)? -127 : -y;\r
 427         }\r
 428         else if (y > def->threshMaxY)\r
 429         {\r
 430                 if (y > def->joyMaxY)\r
 431                         y = def->joyMaxY;\r
 432 \r
 433                 y = y - def->threshMaxY;\r
 434                 y *= def->joyMultYH;\r
 435                 y >>= JoyScaleShift;\r
 436                 *dy = (y > 127)? 127 : y;\r
 437         }\r
 438         else\r
 439                 *dy = 0;\r
 440 \r
 441         if (adaptive)\r
 442         {\r
 443                 time = (TimeCount - lasttime) / 2;\r
 444                 if (time)\r
 445                 {\r
 446                         if (time > 8)\r
 447                                 time = 8;\r
 448                         *dx *= time;\r
 449                         *dy *= time;\r
 450                 }\r
 451         }\r
 452         lasttime = TimeCount;\r
 453 }\r
 454 \r
 455 ///////////////////////////////////////////////////////////////////////////\r
 456 //\r
 457 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 458 //              joystick\r
 459 //\r
 460 ///////////////////////////////////////////////////////////////////////////\r
 461 static word\r
 462 INL_GetJoyButtons(word joy)\r
 463 {\r
 464 register        word    result;\r
 465 \r
 466         result = inp(0x201);    // Get all the joystick buttons\r
 467         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 468         result &= 3;                            // Mask off the useless bits\r
 469         result ^= 3;\r
 470         return(result);\r
 471 }\r
 472 \r
 473 ///////////////////////////////////////////////////////////////////////////\r
 474 //\r
 475 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 476 //              specified joystick\r
 477 //\r
 478 ///////////////////////////////////////////////////////////////////////////\r
 479 word\r
 480 IN_GetJoyButtonsDB(word joy)\r
 481 {\r
 482         word TimeCount = *clockw;\r
 483         word    lasttime;\r
 484         word            result1,result2;\r
 485 \r
 486         do\r
 487         {\r
 488                 result1 = INL_GetJoyButtons(joy);\r
 489                 lasttime = TimeCount;\r
 490                 while(TimeCount == lasttime)\r
 491                 result2 = INL_GetJoyButtons(joy);\r
 492         } while(result1 != result2);\r
 493         return(result1);\r
 494 }\r
 495 \r
 496 ///////////////////////////////////////////////////////////////////////////\r
 497 //\r
 498 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 499 //\r
 500 ///////////////////////////////////////////////////////////////////////////\r
 501 static void\r
 502 INL_StartKbd()\r
 503 {\r
 504         byte far *lock_key;\r
 505         INL_KeyHook = 0;        // Clear key hook\r
 506 \r
 507         IN_ClearKeysDown();\r
 508 \r
 509         OldKeyVect = _dos_getvect(KeyInt);\r
 510 \r
 511         // turn off num-lock via BIOS\r
 512         lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
 513         *lock_key&=(~(16 | 32 | 64)); // toggle off the locks by changing the values of the 4th, 5th, and 6th bits of the address byte of 0040:0017\r
 514         OldKeyVect();   // call BIOS keyhandler to change keyboard lights\r
 515         _dos_setvect(KeyInt,INL_KeyService);\r
 516 }\r
 517 \r
 518 ///////////////////////////////////////////////////////////////////////////\r
 519 //\r
 520 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 521 //\r
 522 ///////////////////////////////////////////////////////////////////////////\r
 523 static void\r
 524 INL_ShutKbd(void)\r
 525 {\r
 526         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 527 \r
 528         _dos_setvect(KeyInt,OldKeyVect);\r
 529 }\r
 530 \r
 531 ///////////////////////////////////////////////////////////////////////////\r
 532 //\r
 533 //      INL_StartMouse() - Detects and sets up the mouse\r
 534 //\r
 535 ///////////////////////////////////////////////////////////////////////////\r
 536 static boolean\r
 537 INL_StartMouse(void)\r
 538 {\r
 539         union REGS CPURegs;\r
 540         if(_dos_getvect(MouseInt))\r
 541         {\r
 542                 Mouse(MReset);\r
 543                 if(CPURegs.x.ax == 0xffff)\r
 544                         return(true);\r
 545         }\r
 546         return(false);\r
 547 }\r
 548 \r
 549 ///////////////////////////////////////////////////////////////////////////\r
 550 //\r
 551 //      INL_ShutMouse() - Cleans up after the mouse\r
 552 //\r
 553 ///////////////////////////////////////////////////////////////////////////\r
 554 static void\r
 555 INL_ShutMouse(void)\r
 556 {\r
 557 }\r
 558 \r
 559 //\r
 560 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 561 //\r
 562 static void\r
 563 INL_SetJoyScale(word joy)\r
 564 {\r
 565         JoystickDef     *def;\r
 566 \r
 567         def = &(inpu.JoyDefs[joy]);\r
 568         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 569         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 570         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 571         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 572 }\r
 573 \r
 574 ///////////////////////////////////////////////////////////////////////////\r
 575 //\r
 576 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 577 //              to set up scaling values\r
 578 //\r
 579 ///////////////////////////////////////////////////////////////////////////\r
 580 void\r
 581 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy)\r
 582 {\r
 583         word            d,r;\r
 584         JoystickDef     *def;\r
 585 \r
 586         def = &(inpu.JoyDefs[joy]);\r
 587 \r
 588         def->joyMinX = minx;\r
 589         def->joyMaxX = maxx;\r
 590         r = maxx - minx;\r
 591         d = r / 3;\r
 592         def->threshMinX = ((r / 2) - d) + minx;\r
 593         def->threshMaxX = ((r / 2) + d) + minx;\r
 594 \r
 595         def->joyMinY = miny;\r
 596         def->joyMaxY = maxy;\r
 597         r = maxy - miny;\r
 598         d = r / 3;\r
 599         def->threshMinY = ((r / 2) - d) + miny;\r
 600         def->threshMaxY = ((r / 2) + d) + miny;\r
 601 \r
 602         INL_SetJoyScale(joy);\r
 603 }\r
 604 \r
 605 ///////////////////////////////////////////////////////////////////////////\r
 606 //\r
 607 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 608 //                                      The auto-config assumes the joystick is centered\r
 609 //\r
 610 ///////////////////////////////////////////////////////////////////////////\r
 611 static boolean\r
 612 INL_StartJoy(word joy)\r
 613 {\r
 614         word            x,y;\r
 615 \r
 616         IN_GetJoyAbs(joy,&x,&y);\r
 617 \r
 618         if\r
 619         (\r
 620                 ((x == 0) || (x > MaxJoyValue - 10))\r
 621         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 622         )\r
 623                 return(false);\r
 624         else\r
 625         {\r
 626                 IN_SetupJoy(joy,0,x * 2,0,y * 2);\r
 627                 return(true);\r
 628         }\r
 629 }\r
 630 \r
 631 ///////////////////////////////////////////////////////////////////////////\r
 632 //\r
 633 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 634 //\r
 635 ///////////////////////////////////////////////////////////////////////////\r
 636 static void\r
 637 INL_ShutJoy(word joy)\r
 638 {\r
 639         inpu.JoysPresent[joy] = false;\r
 640 }\r
 641 \r
 642 //      Public routines\r
 643 \r
 644 ///////////////////////////////////////////////////////////////////////////\r
 645 //\r
 646 //      IN_Startup() - Starts up the Input Mgr\r
 647 //\r
 648 ///////////////////////////////////////////////////////////////////////////\r
 649 void\r
 650 IN_Startup()\r
 651 {\r
 652         boolean checkjoys,checkmouse;\r
 653         word    i;\r
 654 \r
 655         if (inst.IN_Started)\r
 656                 return;\r
 657 \r
 658         checkjoys = true;\r
 659         checkmouse = true;\r
 660         for (i = 1;i < _argc;i++)\r
 661         {\r
 662                 switch (US_CheckParm(_argv[i],ParmStringsIN))\r
 663                 {\r
 664                 case 0:\r
 665                         checkjoys = false;\r
 666                         break;\r
 667                 case 1:\r
 668                         checkmouse = false;\r
 669                         break;\r
 670                 }\r
 671         }\r
 672 \r
 673         INL_StartKbd();\r
 674         inpu.MousePresent = checkmouse? INL_StartMouse() : false;\r
 675 \r
 676         for (i = 0;i < MaxJoys;i++)\r
 677                 inpu.JoysPresent[i] = checkjoys? INL_StartJoy(i) : false;\r
 678 \r
 679         inst.IN_Started = true;\r
 680 \r
 681 }\r
 682 \r
 683 ///////////////////////////////////////////////////////////////////////////\r
 684 //\r
 685 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 686 //\r
 687 ///////////////////////////////////////////////////////////////////////////\r
 688 void\r
 689 IN_Default(boolean gotit,player_t *player,ControlType nt)\r
 690 {\r
 691         int i;\r
 692         if\r
 693         (\r
 694                 (!gotit)\r
 695         ||      ((nt == ctrl_Joystick1) && !inpu.JoysPresent[0])\r
 696         ||      ((nt == ctrl_Joystick2) && !inpu.JoysPresent[1])\r
 697         ||      ((nt == ctrl_Mouse) && !inpu.MousePresent)\r
 698         )\r
 699                 nt = ctrl_Keyboard1;\r
 700         inpu.KbdDefs[0].button0 = 0x1c;\r
 701         inpu.KbdDefs[0].button1 = 0x38;\r
 702         //in.KbdDefs[0].upleft = 0x47;\r
 703         inpu.KbdDefs[0].up = 0x48;\r
 704         //in.KbdDefs[0].upright = 0x49;\r
 705         inpu.KbdDefs[0].left = 0x4b;\r
 706         inpu.KbdDefs[0].right = 0x4d;\r
 707         //in.KbdDefs[0].downleft = 0x4f;\r
 708         inpu.KbdDefs[0].down = 0x50;\r
 709         //in.KbdDefs[0].downright = 0x51;\r
 710         IN_SetControlType(0,player,nt);\r
 711         for(i=0; i>MaxPlayers;i++)\r
 712                 player[i].enti.d =2;\r
 713 }\r
 714 \r
 715 ///////////////////////////////////////////////////////////////////////////\r
 716 //\r
 717 //      IN_Shutdown() - Shuts down the Input Mgr\r
 718 //\r
 719 ///////////////////////////////////////////////////////////////////////////\r
 720 void\r
 721 IN_Shutdown()\r
 722 {\r
 723         word    i;\r
 724 \r
 725         if (!inst.IN_Started)\r
 726                 return;\r
 727 \r
 728         INL_ShutMouse();\r
 729         for (i = 0;i < MaxJoys;i++)\r
 730                 INL_ShutJoy(i);\r
 731         INL_ShutKbd();\r
 732 \r
 733         inst.IN_Started = false;\r
 734 }\r
 735 \r
 736 ///////////////////////////////////////////////////////////////////////////\r
 737 //\r
 738 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 739 //                      everytime a real make/break code gets hit\r
 740 //\r
 741 ///////////////////////////////////////////////////////////////////////////\r
 742 void\r
 743 IN_SetKeyHook(void (*hook)())\r
 744 {\r
 745         INL_KeyHook = hook;\r
 746 }\r
 747 \r
 748 ///////////////////////////////////////////////////////////////////////////\r
 749 //\r
 750 //      IN_ClearKeyDown() - Clears the keyboard array\r
 751 //\r
 752 ///////////////////////////////////////////////////////////////////////////\r
 753 void\r
 754 IN_ClearKeysDown()\r
 755 {\r
 756         //int   i;\r
 757 \r
 758         inpu.LastScan = sc_None;\r
 759         inpu.LastASCII = key_None;\r
 760         memset (inpu.Keyboard,0,sizeof(inpu.Keyboard));\r
 761 }\r
 762 \r
 763 ///////////////////////////////////////////////////////////////////////////\r
 764 //\r
 765 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 766 //\r
 767 ///////////////////////////////////////////////////////////////////////////\r
 768 static void\r
 769 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 770 {\r
 771         if (buttons & (1 << 0))\r
 772                 info->button0 = true;\r
 773         if (buttons & (1 << 1))\r
 774                 info->button1 = true;\r
 775 \r
 776         info->x += dx;\r
 777         info->y += dy;\r
 778 }\r
 779 \r
 780 ///////////////////////////////////////////////////////////////////////////\r
 781 //\r
 782 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 783 //              struct\r
 784 //\r
 785 ///////////////////////////////////////////////////////////////////////////\r
 786 void\r
 787 IN_ReadCursor(CursorInfo *info)\r
 788 {\r
 789         word    i,\r
 790                         buttons;\r
 791         int             dx,dy;\r
 792 \r
 793         info->x = info->y = 0;\r
 794         info->button0 = info->button1 = false;\r
 795 \r
 796         if (inpu.MousePresent)\r
 797         {\r
 798                 buttons = INL_GetMouseButtons();\r
 799                 INL_GetMouseDelta(&dx,&dy);\r
 800                 INL_AdjustCursor(info,buttons,dx,dy);\r
 801         }\r
 802 \r
 803         for (i = 0;i < MaxJoys;i++)\r
 804         {\r
 805                 if (!inpu.JoysPresent[i])\r
 806                         continue;\r
 807 \r
 808                 buttons = INL_GetJoyButtons(i);\r
 809                 INL_GetJoyDelta(i,&dx,&dy,true);\r
 810                 dx /= 64;\r
 811                 dy /= 64;\r
 812                 INL_AdjustCursor(info,buttons,dx,dy);\r
 813         }\r
 814 }\r
 815 \r
 816 ///////////////////////////////////////////////////////////////////////////\r
 817 //\r
 818 //      IN_ReadControl() - Reads the device associated with the specified\r
 819 //              player and fills in the control info struct\r
 820 //\r
 821 ///////////////////////////////////////////////////////////////////////////\r
 822 void near\r
 823 IN_ReadControl(word pn, player_t *player)\r
 824 {\r
 825                         boolean         realdelta;\r
 826 #if DEMO0\r
 827                         byte            dbyte;\r
 828 #endif\r
 829                         word            buttons;\r
 830                         int                     dx,dy;\r
 831                         Motion          mx,my;\r
 832                         ControlType     type;\r
 833                         sword conpee;\r
 834                         byte dir=DirTable[2];\r
 835 register        KeyboardDef     *def;\r
 836 \r
 837         dx = dy = 0;\r
 838         mx = my = motion_None;\r
 839         buttons = 0;\r
 840 \r
 841 #if DEMO0\r
 842         if (DemoMode == demo_Playback)\r
 843         {\r
 844                 dbyte = DemoBuffer[DemoOffset + 1];\r
 845                 my = (dbyte & 3) - 1;\r
 846                 mx = ((dbyte >> 2) & 3) - 1;\r
 847                 buttons = (dbyte >> 4) & 3;\r
 848 \r
 849                 if (!(--DemoBuffer[DemoOffset]))\r
 850                 {\r
 851                         DemoOffset += 2;\r
 852                         if (DemoOffset >= DemoSize)\r
 853                                 DemoMode = demo_PlayDone;\r
 854                 }\r
 855 \r
 856                 realdelta = false;\r
 857         }\r
 858         else if (DemoMode == demo_PlayDone)\r
 859                 Quit ("Demo playback exceeded");\r
 860         else\r
 861         {\r
 862 #endif\r
 863                 switch (type = player[pn].Controls)\r
 864                 {\r
 865                 case ctrl_Keyboard1:\r
 866                 case ctrl_Keyboard2:\r
 867                         def = &(inpu.KbdDefs[type - ctrl_Keyboard]);\r
 868 \r
 869 /*                      if (Keyboard[def->upleft])\r
 870                                 mx = motion_Left,my = motion_Up;\r
 871                         else if (Keyboard[def->upright])\r
 872                                 mx = motion_Right,my = motion_Up;\r
 873                         else if (Keyboard[def->downleft])\r
 874                                 mx = motion_Left,my = motion_Down;\r
 875                         else if (Keyboard[def->downright])\r
 876                                 mx = motion_Right,my = motion_Down;*/\r
 877 //TODO: make this into a function that the joystick AND keyboard can use wwww\r
 878                         if(DIRECTIONIFELSE)//(player[pn].info.dir == 2)\r
 879                         {\r
 880                         if(!inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]){\r
 881                                 if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]))\r
 882                                         my = motion_Up;\r
 883                                 if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up]))\r
 884                                         my = motion_Down;\r
 885                         }else if(!inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]){\r
 886                                 if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]))\r
 887                                         mx = motion_Left;\r
 888                                 if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left]))\r
 889                                         mx = motion_Right;\r
 890                         }else{  //2 keys pressed\r
 891                                         switch (player[pn].pdir)\r
 892                                         {\r
 893                                                 case 0:\r
 894                                                 case 4:\r
 895                                                         if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right])){ dir = DirTable[1]; }//mx = motion_Left; }\r
 896                                                         else if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left])){ dir = DirTable[3]; }//mx = motion_Right; }\r
 897                                                 break;\r
 898                                                 case 1:\r
 899                                                 case 3:\r
 900                                                         if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down])){ dir = DirTable[0]; }//my = motion_Up; }\r
 901                                                         else if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up])){ dir = DirTable[4]; }//my = motion_Down; }\r
 902                                                 break;\r
 903                                                 default:\r
 904                                                 break;\r
 905                                         }\r
 906 #ifdef __DEBUG_InputMgr__\r
 907                                         //if(dbg_testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c        ", dirchar(player[pn].pdir)); }\r
 908 #endif\r
 909                                 }\r
 910                         }\r
 911                         //input from player\r
 912                         if (inpu.Keyboard[def->button0])\r
 913                                 buttons += 1 << 0;\r
 914                         if (inpu.Keyboard[def->button1])\r
 915                                 buttons += 1 << 1;\r
 916                         realdelta = false;\r
 917                         break;\r
 918                 case ctrl_Joystick1:\r
 919                 case ctrl_Joystick2:\r
 920                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy,false);\r
 921                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 922                         realdelta = true;\r
 923                         break;\r
 924                 case ctrl_Mouse:\r
 925                         INL_GetMouseDelta(&dx,&dy);\r
 926                         buttons = INL_GetMouseButtons();\r
 927                         realdelta = true;\r
 928                         break;\r
 929                 }\r
 930 #ifdef DEMO0\r
 931         }\r
 932 #endif\r
 933 \r
 934         if (realdelta)\r
 935         {\r
 936                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 937                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 938         }\r
 939         else\r
 940         {\r
 941                 dx = mx;// * 127;\r
 942                 dy = my;// * 127;\r
 943         }\r
 944 \r
 945         player[pn].info.x = dx;\r
 946         player[pn].info.xaxis = mx;\r
 947         player[pn].info.y = dy;\r
 948         player[pn].info.yaxis = my;\r
 949         player[pn].info.button0 = buttons & (1 << 0);\r
 950         player[pn].info.button1 = buttons & (1 << 1);\r
 951         player[pn].info.button2 = buttons & (1 << 2);\r
 952         player[pn].info.button3 = buttons & (1 << 3);\r
 953 //      player[pn].info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 954         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 955         player[pn].info.dir = DirTable[conpee];\r
 956 \r
 957         if(DirTable[conpee]!=2) player[pn].pdir=DirTable[conpee];\r
 958         if(player[pn].enti.q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 959         {\r
 960                 if(dir==2) player[pn].enti.d = player[pn].info.dir;\r
 961                 else player[pn].enti.d = DirTable[dir];\r
 962         }\r
 963 \r
 964 #if DEMO0\r
 965         if (DemoMode == demo_Record)\r
 966         {\r
 967                 // Pack the control info into a byte\r
 968                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 969 \r
 970                 if\r
 971                 (\r
 972                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 973                 &&      (DemoBuffer[DemoOffset] < 255)\r
 974                 )\r
 975                         (DemoBuffer[DemoOffset])++;\r
 976                 else\r
 977                 {\r
 978                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 979                                 DemoOffset += 2;\r
 980 \r
 981                         if (DemoOffset >= DemoSize)\r
 982                                 Quit ("Demo buffer overflow");\r
 983 \r
 984                         DemoBuffer[DemoOffset] = 1;\r
 985                         DemoBuffer[DemoOffset + 1] = dbyte;\r
 986                 }\r
 987         }\r
 988 #endif\r
 989 #ifdef __DEBUG_InputMgr__\r
 990 if(dbg_testcontrolnoisy > 0)\r
 991 if(player[pn].info.dir!=2/*(inpu.Keyboard[def->up] || inpu.Keyboard[def->down] || inpu.Keyboard[def->left] || inpu.Keyboard[def->right])*/ || player[pn].enti.q>1)\r
 992 {\r
 993         //printf("b1=%u b2=%u b3=%u b4=%u       ", player[pn].info.button0, player[pn].info.button1, player[pn].info.button2, player[pn].info.button3);\r
 994         //printf("q=%d ", player[pn].enti.q);\r
 995         //printf("cpee=%c ", dirchar(conpee));\r
 996         printf("pdir=%c d=%c dir=%c ", dirchar(player[pn].pdir), dirchar(player[pn].enti.d), dirchar(player[pn].info.dir));\r
 997         /*if(realdelta) */printf("dx=%d dy=%d   mx=%d   my=%d", player[pn].info.x, player[pn].info.y, player[pn].info.xaxis, player[pn].info.yaxis);\r
 998         //else if(!realdelta) printf("%c%d %c%d %c%d %c%d", 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
 999         printf("\n");\r
1000 }\r
1001 #endif\r
1002 }\r
1003 \r
1004 ///////////////////////////////////////////////////////////////////////////\r
1005 //\r
1006 //      IN_SetControlType() - Sets the control type to be used by the specified\r
1007 //              player\r
1008 //\r
1009 ///////////////////////////////////////////////////////////////////////////\r
1010 void\r
1011 IN_SetControlType(word pn,player_t *player,ControlType type)\r
1012 {\r
1013         // DEBUG - check that requested type is present?\r
1014         player[pn].Controls = type;\r
1015 }\r
1016 \r
1017 #if DEMO0\r
1018 ///////////////////////////////////////////////////////////////////////////\r
1019 //\r
1020 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1021 //              size passed. Returns if the buffer allocation was successful\r
1022 //\r
1023 ///////////////////////////////////////////////////////////////////////////\r
1024 boolean\r
1025 IN_StartDemoRecord(word bufsize)\r
1026 {\r
1027         if (!bufsize)\r
1028                 return(false);\r
1029 \r
1030         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1031         DemoMode = demo_Record;\r
1032         DemoSize = bufsize & ~1;\r
1033         DemoOffset = 0;\r
1034         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1035 \r
1036         return(true);\r
1037 }\r
1038 \r
1039 ///////////////////////////////////////////////////////////////////////////\r
1040 //\r
1041 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1042 //\r
1043 ///////////////////////////////////////////////////////////////////////////\r
1044 void\r
1045 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1046 {\r
1047         DemoBuffer = buffer;\r
1048         DemoMode = demo_Playback;\r
1049         DemoSize = bufsize & ~1;\r
1050         DemoOffset = 0;\r
1051 }\r
1052 \r
1053 ///////////////////////////////////////////////////////////////////////////\r
1054 //\r
1055 //      IN_StopDemo() - Turns off demo mode\r
1056 //\r
1057 ///////////////////////////////////////////////////////////////////////////\r
1058 void\r
1059 IN_StopDemo(void)\r
1060 {\r
1061         if ((DemoMode == demo_Record) && DemoOffset)\r
1062                 DemoOffset += 2;\r
1063 \r
1064         DemoMode = demo_Off;\r
1065 }\r
1066 \r
1067 ///////////////////////////////////////////////////////////////////////////\r
1068 //\r
1069 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1070 //\r
1071 ///////////////////////////////////////////////////////////////////////////\r
1072 void\r
1073 IN_FreeDemoBuffer(void)\r
1074 {\r
1075         if (DemoBuffer)\r
1076                 MM_FreePtr((memptr *)&DemoBuffer);\r
1077 }\r
1078 #endif\r
1079 \r
1080 \r
1081 ///////////////////////////////////////////////////////////////////////////\r
1082 //\r
1083 //      IN_GetScanName() - Returns a string containing the name of the\r
1084 //              specified scan code\r
1085 //\r
1086 ///////////////////////////////////////////////////////////////////////////\r
1087 byte *\r
1088 IN_GetScanName(ScanCode scan)\r
1089 {\r
1090         byte            **p;\r
1091         ScanCode        far *s;\r
1092 \r
1093         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1094                 if (*s == scan)\r
1095                         return(*p);\r
1096 \r
1097         return(ScanNames[scan]);\r
1098 }\r
1099 \r
1100 ///////////////////////////////////////////////////////////////////////////\r
1101 //\r
1102 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1103 //              returns the scan code\r
1104 //\r
1105 ///////////////////////////////////////////////////////////////////////////\r
1106 ScanCode\r
1107 IN_WaitForKey()\r
1108 {\r
1109         ScanCode        result;\r
1110 \r
1111         while (!(result = inpu.LastScan))\r
1112                 ;\r
1113         inpu.LastScan = 0;\r
1114         return(result);\r
1115 }\r
1116 \r
1117 ///////////////////////////////////////////////////////////////////////////\r
1118 //\r
1119 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1120 //              returns the ASCII value\r
1121 //\r
1122 ///////////////////////////////////////////////////////////////////////////\r
1123 char\r
1124 IN_WaitForASCII()\r
1125 {\r
1126         char            result;\r
1127 \r
1128         while (!(result = inpu.LastASCII))\r
1129                 ;\r
1130         inpu.LastASCII = '\0';\r
1131         return(result);\r
1132 }\r
1133 \r
1134 ///////////////////////////////////////////////////////////////////////////\r
1135 //\r
1136 //      IN_AckBack() - Waits for either an ASCII keypress or a button press\r
1137 //\r
1138 ///////////////////////////////////////////////////////////////////////////\r
1139 void\r
1140 IN_AckBack()\r
1141 {\r
1142         word    i;\r
1143 \r
1144         while (!inpu.LastScan)\r
1145         {\r
1146                 if (inpu.MousePresent)\r
1147                 {\r
1148                         if (INL_GetMouseButtons())\r
1149                         {\r
1150                                 while (INL_GetMouseButtons())\r
1151                                         ;\r
1152                                 return;\r
1153                         }\r
1154                 }\r
1155 \r
1156                 for (i = 0;i < MaxJoys;i++)\r
1157                 {\r
1158                         if (inpu.JoysPresent[i])\r
1159                         {\r
1160                                 if (IN_GetJoyButtonsDB(i))\r
1161                                 {\r
1162                                         while (IN_GetJoyButtonsDB(i))\r
1163                                                 ;\r
1164                                         return;\r
1165                                 }\r
1166                         }\r
1167                 }\r
1168         }\r
1169 \r
1170         IN_ClearKey(inpu.LastScan);\r
1171         inpu.LastScan = sc_None;\r
1172 }\r
1173 \r
1174 ///////////////////////////////////////////////////////////////////////////\r
1175 //\r
1176 //      IN_Ack() - Clears user input & then calls IN_AckBack()\r
1177 //\r
1178 ///////////////////////////////////////////////////////////////////////////\r
1179 void\r
1180 IN_Ack()\r
1181 {\r
1182         word    i;\r
1183 \r
1184         if (!inst.IN_Started)\r
1185                 return;\r
1186 \r
1187         IN_ClearKey(inpu.LastScan);\r
1188         inpu.LastScan = sc_None;\r
1189 \r
1190         if (inpu.MousePresent)\r
1191                 while (INL_GetMouseButtons())\r
1192                                         ;\r
1193         for (i = 0;i < MaxJoys;i++)\r
1194                 if (inpu.JoysPresent[i])\r
1195                         while (IN_GetJoyButtonsDB(i))\r
1196                                 ;\r
1197 \r
1198         IN_AckBack();\r
1199 }\r
1200 \r
1201 ///////////////////////////////////////////////////////////////////////////\r
1202 //\r
1203 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1204 //              is down\r
1205 //\r
1206 ///////////////////////////////////////////////////////////////////////////\r
1207 boolean\r
1208 IN_IsUserInput()\r
1209 {\r
1210         boolean result;\r
1211         word    i;\r
1212 \r
1213         result = inpu.LastScan;\r
1214 \r
1215         if (inpu.MousePresent)\r
1216                 if (INL_GetMouseButtons())\r
1217                         result = true;\r
1218 \r
1219         for (i = 0;i < MaxJoys;i++)\r
1220                 if (inpu.JoysPresent[i])\r
1221                         if (INL_GetJoyButtons(i))\r
1222                                 result = true;\r
1223 \r
1224         return(result);\r
1225 }\r
1226 \r
1227 ///////////////////////////////////////////////////////////////////////////\r
1228 //\r
1229 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1230 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1231 //              then either clears the key or waits for the user to let the mouse\r
1232 //              button up.\r
1233 //\r
1234 ///////////////////////////////////////////////////////////////////////////\r
1235 boolean\r
1236 IN_UserInput(dword delay,boolean clear)\r
1237 {\r
1238         word TimeCount = *clockw;\r
1239         word    lasttime;\r
1240 \r
1241         lasttime = TimeCount;\r
1242         do\r
1243         {\r
1244                 if (IN_IsUserInput())\r
1245                 {\r
1246                         if (clear)\r
1247                                 IN_AckBack();\r
1248                         return(true);\r
1249                 }\r
1250         } while (TimeCount - lasttime < delay);\r
1251         return(false);\r
1252 }\r
1253 \r
1254 //===========================================================================\r
1255 \r
1256 /*\r
1257 ===================\r
1258 =\r
1259 = IN_MouseButtons\r
1260 =\r
1261 ===================\r
1262 */\r
1263 \r
1264 byte    IN_MouseButtons (void)\r
1265 {\r
1266         union REGS CPURegs;\r
1267         if (inpu.MousePresent)\r
1268         {\r
1269                 Mouse(MButtons);\r
1270                 return CPURegs.x.bx;\r
1271         }\r
1272         else\r
1273                 return 0;\r
1274 }\r
1275 \r
1276 \r
1277 /*\r
1278 ===================\r
1279 =\r
1280 = IN_JoyButtons\r
1281 =\r
1282 ===================\r
1283 */\r
1284 \r
1285 byte    IN_JoyButtons (void)\r
1286 {\r
1287         byte joybits;\r
1288 \r
1289         joybits = inp(0x201);   // Get all the joystick buttons\r
1290         joybits >>= 4;                          // only the high bits are useful\r
1291         joybits ^= 15;                          // return with 1=pressed\r
1292 \r
1293         return joybits;\r
1294 }\r
1295 \r
1296 boolean IN_KeyDown(byte code)\r
1297 {\r
1298 #ifdef __DEBUG_InputMgr__\r
1299         if(!dbg_nointest)\r
1300 #endif\r
1301         return inpu.Keyboard[code];\r
1302 #ifdef __DEBUG_InputMgr__\r
1303         else\r
1304                 if(dbg_nointest && kbhit())\r
1305                         return 1;\r
1306                 else\r
1307                         return 0;\r
1308 #endif\r
1309 }\r
1310 \r
1311 void IN_ClearKey(byte code)\r
1312 {\r
1313         inpu.Keyboard[code] = false;\r
1314         if(code == inpu.LastScan)\r
1315                 inpu.LastScan = sc_None;\r
1316         }\r
1317 \r
1318 boolean IN_qb(byte kee)\r
1319 {\r
1320 #ifdef __DEBUG_InputMgr__\r
1321         if(dbg_testkeyin) printf("%u\n", inpu.Keyboard[kee]);\r
1322 #endif\r
1323         if(inpu.Keyboard[kee]==true) return 1;\r
1324         else return 0;\r
1325 }\r
1326 \r
1327 ScanCode IN_GetLastScan()\r
1328 {\r
1329         return inpu.LastScan;\r
1330 }\r
1331 \r
1332 ScanCode IN_GetCurCode()\r
1333 {\r
1334         return inst.CurCode;\r
1335 }\r