src/lib/16_in.c

   1 /* Project 16 Source Code~\r
   2  * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
   3  *\r
   4  * This file is part of Project 16.\r
   5  *\r
   6  * Project 16 is free software; you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation; either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * Project 16 is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>, or\r
  18  * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
  19  * Fifth Floor, Boston, MA 02110-1301 USA.\r
  20  *\r
  21  */\r
  22 //\r
  23 //      ID Engine\r
  24 //      ID_IN.c - Input Manager\r
  25 //      v1.0d1w\r
  26 //      By Jason Blochowiak\r
  27 //      Open Watcom port by sparky4\r
  28 //\r
  29 \r
  30 //\r
  31 //      This module handles dealing with the various input devices\r
  32 //\r
  33 //      Depends on: Memory Mgr (for demo recording), Sound Mgr (for timing stuff),\r
  34 //                              User Mgr (for command line parms)\r
  35 //\r
  36 //      Globals:\r
  37 //              LastScan - The keyboard scan code of the last key pressed\r
  38 //              LastASCII - The ASCII value of the last key pressed\r
  39 //      DEBUG - there are more globals\r
  40 //\r
  41 \r
  42 #include "src/lib/16_in.h"\r
  43 #pragma hdrstop\r
  44 \r
  45 static word far* clockw= (word far*) 0x046C; /* 18.2hz clock */\r
  46 \r
  47 /*\r
  48 =============================================================================\r
  49 \r
  50                                         GLOBAL VARIABLES\r
  51 \r
  52 =============================================================================\r
  53 */\r
  54 /*struct inconfig\r
  55 {\r
  56         boolean         MousePresent;\r
  57         boolean         JoysPresent[MaxJoys];\r
  58         boolean         Keyboard[NumCodes];\r
  59         boolean         Paused;\r
  60         char            LastASCII;\r
  61         ScanCode        LastScan;\r
  62 \r
  63         KeyboardDef     KbdDefs[MaxKbds];\r
  64         JoystickDef     JoyDefs[MaxJoys];\r
  65 } inpu;*/\r
  66 \r
  67 //gvar->in.KbdDefs = {0x1d,0x38,/*0x47,*/0x48,/*0x49,*/0x4b,0x4d,/*0x4f,*/0x50/*,0x51*/};\r
  68 \r
  69 /*\r
  70 =============================================================================\r
  71 \r
  72                                         LOCAL VARIABLES\r
  73 \r
  74 =============================================================================\r
  75 */\r
  76 \r
  77 #ifdef __cplusplus              /* Function must be declared C style */\r
  78 extern "C" {\r
  79 #endif\r
  80 \r
  81 /*static struct instat {\r
  82         boolean         CapsLock;\r
  83         ScanCode        CurCode,LastCode;\r
  84 \r
  85         boolean         Keyboard[NumCodes];\r
  86         boolean         Paused;\r
  87         char            LastASCII;\r
  88         ScanCode        LastScan;\r
  89 } inst;*/\r
  90 \r
  91 //the def stuff is need fix warnings\r
  92 #ifndef INSTDEFED\r
  93 #define INSTDEFED\r
  94 static inst_t inst;\r
  95 #endif\r
  96 \r
  97 static  byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
  98                                         {\r
  99 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 100         0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
 101         'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
 102         'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
 103         'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 104         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 105         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 106         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 107         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 108                                         },\r
 109                                         far ShiftNames[] =              // Shifted ASCII for scan codes\r
 110                                         {\r
 111 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 112         0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
 113         'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
 114         'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
 115         'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 116         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 117         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 118         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 119         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 120                                         },\r
 121                                         far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
 122                                         {\r
 123 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 124         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
 125         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
 126         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
 127         0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 128         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
 129         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 130         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 131         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 132                                         },\r
 133                                         *ScanNames[] =          // Scan code names with single chars\r
 134                                         {\r
 135         "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
 136         "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
 137         "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
 138         "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
 139         "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
 140         "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 141         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 142         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
 143                                         },      // DEBUG - consolidate these\r
 144                                         far ExtScanCodes[] =    // Scan codes with >1 char names\r
 145                                         {\r
 146         1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
 147         0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
 148         0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
 149         0x50,0x4b,0x4d,0x00\r
 150                                         },\r
 151                                         *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
 152                                         {\r
 153         "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
 154         "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
 155         "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
 156         "Down","Left","Right",""\r
 157                                         };\r
 158 \r
 159 static  Direction       DirTable[] =            // Quick lookup for total direction\r
 160                                         {\r
 161                                                 /*dir_NorthWest,        */dir_North,/*  dir_NorthEast,*/\r
 162                                                 dir_West,               dir_None,       dir_East,\r
 163                                                 /*dir_SouthWest,        */dir_South/*,  dir_SouthEast*/\r
 164                                         };\r
 165 #ifdef __cplusplus\r
 166 }\r
 167 #endif\r
 168 \r
 169 static  void                    (*INL_KeyHook)(void);\r
 170 static  void interrupt  (*OldKeyVect)(void);\r
 171 static  char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
 172 \r
 173 //      Internal routines\r
 174 \r
 175 ///////////////////////////////////////////////////////////////////////////\r
 176 //\r
 177 //      INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
 178 //\r
 179 ///////////////////////////////////////////////////////////////////////////\r
 180 /*static */void interrupt\r
 181 INL_KeyService(void)\r
 182 {\r
 183 static  boolean special;\r
 184                 byte    k,c,\r
 185                                 temp;\r
 186 \r
 187         k = inportb(0x60);      // Get the scan code\r
 188 \r
 189         // Tell the XT keyboard controller to clear the key\r
 190         outportb(0x61,(temp = inportb(0x61)) | 0x80);\r
 191         outportb(0x61,temp);\r
 192 \r
 193         if (k == 0xe0)          // Special key prefix\r
 194                 special = true;\r
 195         else if (k == 0xe1)     // Handle Pause key\r
 196                 inst.Paused = true;\r
 197         else\r
 198         {\r
 199                 if (k & 0x80)   // Break code\r
 200                 {\r
 201                         k &= 0x7f;\r
 202 \r
 203 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 204 \r
 205                         inst.Keyboard[k] = false;\r
 206                 }\r
 207                 else                    // Make code\r
 208                 {\r
 209                         inst.LastCode = inst.CurCode;\r
 210                         inst.CurCode = inst.LastScan = k;\r
 211                         inst.Keyboard[k] = true;\r
 212 \r
 213                         if (special)\r
 214                                 c = SpecialNames[k];\r
 215                         else\r
 216                         {\r
 217                                 if (k == sc_CapsLock)\r
 218                                 {\r
 219                                         inst.CapsLock ^= true;\r
 220                                         // DEBUG - make caps lock light work\r
 221                                 }\r
 222 \r
 223                                 if (inst.Keyboard[sc_LShift] || inst.Keyboard[sc_RShift])       // If shifted\r
 224                                 {\r
 225                                         c = ShiftNames[k];\r
 226                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 227                                                 c += 'a' - 'A';\r
 228                                 }\r
 229                                 else\r
 230                                 {\r
 231                                         c = ASCIINames[k];\r
 232                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 233                                                 c -= 'a' - 'A';\r
 234                                 }\r
 235                         }\r
 236                         if (c)\r
 237                                 inst.LastASCII = c;\r
 238                 }\r
 239 \r
 240                 special = false;\r
 241         }\r
 242 \r
 243         if (INL_KeyHook && !special)\r
 244                 INL_KeyHook();\r
 245 #ifdef __DEBUG_InputMgr__\r
 246         if(dbg_testkeyin > 0) printf("%c        %u      [0x%x %u]       %u\n", c, c, k, k, inst.Keyboard[k]);\r
 247 #endif\r
 248         outportb(0x20,0x20);\r
 249 }\r
 250 \r
 251 void INL_Mouse(int x)\r
 252 {\r
 253         //union REGS CPURegs;\r
 254         //x = CPURegs.x.ax;\r
 255         __asm {\r
 256                 mov     ax,x\r
 257                 int     MouseInt\r
 258         }\r
 259         //int86(MouseInt,&CPURegs,&CPURegs);\r
 260 }\r
 261 \r
 262 ///////////////////////////////////////////////////////////////////////////\r
 263 //\r
 264 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 265 //              mouse driver\r
 266 //\r
 267 ///////////////////////////////////////////////////////////////////////////\r
 268 static void\r
 269 INL_GetMouseDelta(int *x,int *y)\r
 270 {\r
 271         union REGS CPURegs;\r
 272         Mouse(MDelta);\r
 273         *x = CPURegs.x.cx;\r
 274         *y = CPURegs.x.dx;\r
 275 }\r
 276 \r
 277 ///////////////////////////////////////////////////////////////////////////\r
 278 //\r
 279 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 280 //              mouse driver\r
 281 //\r
 282 ///////////////////////////////////////////////////////////////////////////\r
 283 static word\r
 284 INL_GetMouseButtons(void)\r
 285 {\r
 286         union REGS CPURegs;\r
 287         word    buttons;\r
 288 \r
 289         Mouse(MButtons);\r
 290         buttons = CPURegs.x.bx;\r
 291         return(buttons);\r
 292 }\r
 293 \r
 294 ///////////////////////////////////////////////////////////////////////////\r
 295 //\r
 296 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 297 //\r
 298 ///////////////////////////////////////////////////////////////////////////\r
 299 void\r
 300 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 301 {\r
 302         byte    xb,yb,\r
 303                         xs,ys;\r
 304         word    x,y;\r
 305 \r
 306         x = y = 0;\r
 307         xs = joy? 2 : 0;                // Find shift value for x axis\r
 308         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 309         ys = joy? 3 : 1;                // Do the same for y axis\r
 310         yb = 1 << ys;\r
 311 \r
 312 // Read the absolute joystick values\r
 313         __asm {\r
 314                 pushf                           // Save some registers\r
 315                 push    si\r
 316                 push    di\r
 317                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 318 \r
 319 \r
 320                 mov             dx,0x201\r
 321                 in              al,dx\r
 322                 out             dx,al           // Clear the resistors\r
 323 \r
 324                 mov             ah,[xb]         // Get masks into registers\r
 325                 mov             ch,[yb]\r
 326 \r
 327                 xor             si,si           // Clear count registers\r
 328                 xor             di,di\r
 329                 xor             bh,bh           // Clear high byte of bx for later\r
 330 \r
 331                 push    bp                      // Don't mess up stack frame\r
 332                 mov             bp,MaxJoyValue\r
 333 #ifdef __BORLANDC__\r
 334         }\r
 335 #endif\r
 336 loo:\r
 337 #ifdef __BORLANDC__\r
 338         __asm {\r
 339 #endif\r
 340                 in              al,dx           // Get bits indicating whether all are finished\r
 341 \r
 342                 dec             bp                      // Check bounding register\r
 343                 jz              done            // We have a silly value - abort\r
 344 \r
 345                 mov             bl,al           // Duplicate the bits\r
 346                 and             bl,ah           // Mask off useless bits (in [xb])\r
 347                 add             si,bx           // Possibly increment count register\r
 348                 mov             cl,bl           // Save for testing later\r
 349 \r
 350                 mov             bl,al\r
 351                 and             bl,ch           // [yb]\r
 352                 add             di,bx\r
 353 \r
 354                 add             cl,bl\r
 355                 jnz             loo             // If both bits were 0, drop out\r
 356 #ifdef __BORLANDC__\r
 357         }\r
 358 #endif\r
 359 done:\r
 360 #ifdef __BORLANDC__\r
 361         __asm {\r
 362 #endif\r
 363                 pop             bp\r
 364 \r
 365                 mov             cl,[xs]         // Get the number of bits to shift\r
 366                 shr             si,cl           //  and shift the count that many times\r
 367 \r
 368                 mov             cl,[ys]\r
 369                 shr             di,cl\r
 370 \r
 371                 mov             [x],si          // Store the values into the variables\r
 372                 mov             [y],di\r
 373 \r
 374                 pop             di\r
 375                 pop             si\r
 376                 popf                            // Restore the registers\r
 377         }\r
 378 \r
 379         *xp = x;\r
 380         *yp = y;\r
 381 }\r
 382 \r
 383 ///////////////////////////////////////////////////////////////////////////\r
 384 //\r
 385 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 386 //              joystick (from +/-127)\r
 387 //\r
 388 ///////////////////////////////////////////////////////////////////////////\r
 389 void INL_GetJoyDelta(word joy,int *dx,int *dy/*,boolean adaptive*/, global_game_variables_t *gvar)\r
 390 {\r
 391         word            x,y;\r
 392         word TimeCount = *clockw;\r
 393         JoystickDef     *def;\r
 394 static  word    lasttime;\r
 395 \r
 396         IN_GetJoyAbs(joy,&x,&y);\r
 397         def = gvar->in.JoyDefs + joy;\r
 398 \r
 399         if (x < def->threshMinX)\r
 400         {\r
 401                 if (x < def->joyMinX)\r
 402                         x = def->joyMinX;\r
 403 \r
 404                 x = -(x - def->threshMinX);\r
 405                 x *= def->joyMultXL;\r
 406                 x >>= JoyScaleShift;\r
 407                 *dx = (x > 127)? -127 : -x;\r
 408         }\r
 409         else if (x > def->threshMaxX)\r
 410         {\r
 411                 if (x > def->joyMaxX)\r
 412                         x = def->joyMaxX;\r
 413 \r
 414                 x = x - def->threshMaxX;\r
 415                 x *= def->joyMultXH;\r
 416                 x >>= JoyScaleShift;\r
 417                 *dx = (x > 127)? 127 : x;\r
 418         }\r
 419         else\r
 420                 *dx = 0;\r
 421 \r
 422         if (y < def->threshMinY)\r
 423         {\r
 424                 if (y < def->joyMinY)\r
 425                         y = def->joyMinY;\r
 426 \r
 427                 y = -(y - def->threshMinY);\r
 428                 y *= def->joyMultYL;\r
 429                 y >>= JoyScaleShift;\r
 430                 *dy = (y > 127)? -127 : -y;\r
 431         }\r
 432         else if (y > def->threshMaxY)\r
 433         {\r
 434                 if (y > def->joyMaxY)\r
 435                         y = def->joyMaxY;\r
 436 \r
 437                 y = y - def->threshMaxY;\r
 438                 y *= def->joyMultYH;\r
 439                 y >>= JoyScaleShift;\r
 440                 *dy = (y > 127)? 127 : y;\r
 441         }\r
 442         else\r
 443                 *dy = 0;\r
 444 //      if (adaptive)\r
 445 //      {\r
 446 //              time = (TimeCount - lasttime) / 2;\r
 447 //              if (time)\r
 448 //              {\r
 449 //                      if (time > 8)\r
 450 //                              time = 8;\r
 451 //                      *dx *= time;\r
 452 //                      *dy *= time;\r
 453 //              }\r
 454 //      }\r
 455         lasttime = TimeCount;\r
 456 }\r
 457 \r
 458 ///////////////////////////////////////////////////////////////////////////\r
 459 //\r
 460 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 461 //              joystick\r
 462 //\r
 463 ///////////////////////////////////////////////////////////////////////////\r
 464 static word\r
 465 INL_GetJoyButtons(word joy)\r
 466 {\r
 467 register        word    result;\r
 468 \r
 469         result = inportb(0x201);        // Get all the joystick buttons\r
 470         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 471         result &= 3;                            // Mask off the useless bits\r
 472         result ^= 3;\r
 473         return(result);\r
 474 }\r
 475 \r
 476 ///////////////////////////////////////////////////////////////////////////\r
 477 //\r
 478 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 479 //              specified joystick\r
 480 //\r
 481 ///////////////////////////////////////////////////////////////////////////\r
 482 word\r
 483 IN_GetJoyButtonsDB(word joy)\r
 484 {\r
 485         word TimeCount = *clockw;\r
 486         word    lasttime;\r
 487         word            result1,result2;\r
 488 \r
 489         do\r
 490         {\r
 491                 result1 = INL_GetJoyButtons(joy);\r
 492                 lasttime = TimeCount;\r
 493                 while(TimeCount == lasttime)\r
 494                         //;\r
 495                 result2 = INL_GetJoyButtons(joy);\r
 496         } while(result1 != result2);\r
 497         return(result1);\r
 498 }\r
 499 \r
 500 ///////////////////////////////////////////////////////////////////////////\r
 501 //\r
 502 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 503 //\r
 504 ///////////////////////////////////////////////////////////////////////////\r
 505 static void\r
 506 INL_StartKbd(global_game_variables_t *gvar)\r
 507 {\r
 508         INL_KeyHook = NULL;     // Clear key hook\r
 509 \r
 510         IN_ClearKeysDown();\r
 511 \r
 512         OldKeyVect = getvect(KeyInt);//IN_KbdLED();\r
 513         setvect(KeyInt,INL_KeyService);\r
 514 }\r
 515 \r
 516 ///////////////////////////////////////////////////////////////////////////\r
 517 //\r
 518 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 519 //\r
 520 ///////////////////////////////////////////////////////////////////////////\r
 521 static void\r
 522 INL_ShutKbd(void)\r
 523 {\r
 524         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 525 \r
 526         setvect(KeyInt,OldKeyVect);\r
 527 }\r
 528 \r
 529 ///////////////////////////////////////////////////////////////////////////\r
 530 //\r
 531 //      INL_StartMouse() - Detects and sets up the mouse\r
 532 //\r
 533 ///////////////////////////////////////////////////////////////////////////\r
 534 static boolean\r
 535 INL_StartMouse(void)\r
 536 {\r
 537 #if 0\r
 538         if (getvect(MouseInt))\r
 539         {\r
 540                 Mouse(MReset);\r
 541                 if (_AX == 0xffff)\r
 542                         return(true);\r
 543         }\r
 544         return(false);\r
 545 #endif\r
 546         byte far *vector;\r
 547 \r
 548 \r
 549         if ((vector=MK_FP(peek(0,0x33*4+2),peek(0,0x33*4)))==NULL)\r
 550         return false;\r
 551 \r
 552         if (*vector == 207)\r
 553                 return false;\r
 554 \r
 555         Mouse(MReset);\r
 556         return true;\r
 557 }\r
 558 \r
 559 ///////////////////////////////////////////////////////////////////////////\r
 560 //\r
 561 //      INL_ShutMouse() - Cleans up after the mouse\r
 562 //\r
 563 ///////////////////////////////////////////////////////////////////////////\r
 564 static void\r
 565 INL_ShutMouse(void)\r
 566 {\r
 567 }\r
 568 \r
 569 //\r
 570 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 571 //\r
 572 static void\r
 573 INL_SetJoyScale(word joy, global_game_variables_t *gvar)\r
 574 {\r
 575         JoystickDef     *def;\r
 576 \r
 577         def = &(gvar->in.JoyDefs[joy]);\r
 578         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 579         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 580         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 581         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 582 }\r
 583 \r
 584 ///////////////////////////////////////////////////////////////////////////\r
 585 //\r
 586 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 587 //              to set up scaling values\r
 588 //\r
 589 ///////////////////////////////////////////////////////////////////////////\r
 590 void\r
 591 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy, global_game_variables_t *gvar)\r
 592 {\r
 593         word            d,r;\r
 594         JoystickDef     *def;\r
 595 \r
 596         def = &(gvar->in.JoyDefs[joy]);\r
 597 \r
 598         def->joyMinX = minx;\r
 599         def->joyMaxX = maxx;\r
 600         r = maxx - minx;\r
 601         d = r / 3;\r
 602         def->threshMinX = ((r / 2) - d) + minx;\r
 603         def->threshMaxX = ((r / 2) + d) + minx;\r
 604 \r
 605         def->joyMinY = miny;\r
 606         def->joyMaxY = maxy;\r
 607         r = maxy - miny;\r
 608         d = r / 3;\r
 609         def->threshMinY = ((r / 2) - d) + miny;\r
 610         def->threshMaxY = ((r / 2) + d) + miny;\r
 611 \r
 612         INL_SetJoyScale(joy, gvar);\r
 613 }\r
 614 \r
 615 ///////////////////////////////////////////////////////////////////////////\r
 616 //\r
 617 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 618 //                                      The auto-config assumes the joystick is centered\r
 619 //\r
 620 ///////////////////////////////////////////////////////////////////////////\r
 621 static boolean\r
 622 INL_StartJoy(word joy, global_game_variables_t *gvar)\r
 623 {\r
 624         word            x,y;\r
 625 \r
 626         IN_GetJoyAbs(joy,&x,&y);\r
 627 \r
 628         if\r
 629         (\r
 630                 ((x == 0) || (x > MaxJoyValue - 10))\r
 631         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 632         )\r
 633                 return(false);\r
 634         else\r
 635         {\r
 636                 IN_SetupJoy(joy,0,x * 2,0,y * 2, gvar);\r
 637                 return(true);\r
 638         }\r
 639 }\r
 640 \r
 641 ///////////////////////////////////////////////////////////////////////////\r
 642 //\r
 643 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 644 //\r
 645 ///////////////////////////////////////////////////////////////////////////\r
 646 static void\r
 647 INL_ShutJoy(word joy, global_game_variables_t *gvar)\r
 648 {\r
 649         gvar->in.JoysPresent[joy] = false;\r
 650 }\r
 651 \r
 652 //      Public routines\r
 653 \r
 654 ///////////////////////////////////////////////////////////////////////////\r
 655 //\r
 656 //      IN_Startup() - Starts up the Input Mgr\r
 657 //\r
 658 ///////////////////////////////////////////////////////////////////////////\r
 659 void\r
 660 IN_Startup(global_game_variables_t *gvar)\r
 661 {\r
 662         boolean checkjoys,checkmouse;\r
 663         word    i;\r
 664 \r
 665         if (gvar->in.IN_Started)\r
 666                 return;\r
 667 \r
 668         checkjoys = true;\r
 669         checkmouse = true;\r
 670         for (i = 1;i < _argc;i++)\r
 671         {\r
 672                 switch (US_CheckParm(_argv[i],ParmStringsIN))\r
 673                 {\r
 674                 case 0:\r
 675                         checkjoys = false;\r
 676                         break;\r
 677                 case 1:\r
 678                         checkmouse = false;\r
 679                         break;\r
 680                 }\r
 681         }\r
 682 \r
 683         INL_StartKbd(gvar);\r
 684         gvar->in.MousePresent = checkmouse? INL_StartMouse() : false;\r
 685 \r
 686         for (i = 0;i < MaxJoys;i++)\r
 687                 gvar->in.JoysPresent[i] = checkjoys? INL_StartJoy(i, gvar) : false;\r
 688 \r
 689         gvar->in.inst = &inst;\r
 690 \r
 691         gvar->in.IN_Started = true;\r
 692 \r
 693 }\r
 694 \r
 695 ///////////////////////////////////////////////////////////////////////////\r
 696 //\r
 697 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 698 //\r
 699 ///////////////////////////////////////////////////////////////////////////\r
 700 void\r
 701 IN_Default(boolean gotit,player_t *player,ControlType nt, global_game_variables_t *gvar)\r
 702 {\r
 703         int i;\r
 704         if\r
 705         (\r
 706                 (!gotit)\r
 707         ||      ((nt == ctrl_Joystick1) && !gvar->in.JoysPresent[0])\r
 708         ||      ((nt == ctrl_Joystick2) && !gvar->in.JoysPresent[1])\r
 709         ||      ((nt == ctrl_Mouse) && !gvar->in.MousePresent)\r
 710         )\r
 711                 nt = ctrl_Keyboard1;\r
 712         gvar->in.KbdDefs[0].button0 = 0x1c;\r
 713         gvar->in.KbdDefs[0].button1 = 0x38;\r
 714         //in.KbdDefs[0].upleft = 0x47;\r
 715         gvar->in.KbdDefs[0].up = 0x48;\r
 716         //in.KbdDefs[0].upright = 0x49;\r
 717         gvar->in.KbdDefs[0].left = 0x4b;\r
 718         gvar->in.KbdDefs[0].right = 0x4d;\r
 719         //in.KbdDefs[0].downleft = 0x4f;\r
 720         gvar->in.KbdDefs[0].down = 0x50;\r
 721         //in.KbdDefs[0].downright = 0x51;\r
 722         IN_SetControlType(player,nt);\r
 723         for(i=0; i>MaxPlayers;i++)\r
 724                 player[i].enti.d =2;\r
 725 }\r
 726 \r
 727 ///////////////////////////////////////////////////////////////////////////\r
 728 //\r
 729 //      IN_Shutdown() - Shuts down the Input Mgr\r
 730 //\r
 731 ///////////////////////////////////////////////////////////////////////////\r
 732 void\r
 733 IN_Shutdown(global_game_variables_t *gvar)\r
 734 {\r
 735         word    i;\r
 736 \r
 737         if (!gvar->in.IN_Started)\r
 738                 return;\r
 739 \r
 740         INL_ShutMouse();\r
 741         for (i = 0;i < MaxJoys;i++)\r
 742                 INL_ShutJoy(i, gvar);\r
 743         INL_ShutKbd();\r
 744 \r
 745         gvar->in.IN_Started = false;\r
 746 }\r
 747 \r
 748 ///////////////////////////////////////////////////////////////////////////\r
 749 //\r
 750 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 751 //                      everytime a real make/break code gets hit\r
 752 //\r
 753 ///////////////////////////////////////////////////////////////////////////\r
 754 void\r
 755 IN_SetKeyHook(void (*hook)())\r
 756 {\r
 757         INL_KeyHook = hook;\r
 758 }\r
 759 \r
 760 ///////////////////////////////////////////////////////////////////////////\r
 761 //\r
 762 //      IN_ClearKeysDown() - Clears the keyboard array\r
 763 //\r
 764 ///////////////////////////////////////////////////////////////////////////\r
 765 void\r
 766 IN_ClearKeysDown(void)\r
 767 {\r
 768         //int   i;\r
 769 \r
 770         inst.LastScan = sc_None;\r
 771         inst.LastASCII = key_None;\r
 772         memset (inst.Keyboard,0,sizeof(inst.Keyboard));\r
 773 }\r
 774 \r
 775 ///////////////////////////////////////////////////////////////////////////\r
 776 //\r
 777 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 778 //\r
 779 ///////////////////////////////////////////////////////////////////////////\r
 780 static void\r
 781 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 782 {\r
 783         if (buttons & (1 << 0))\r
 784                 info->button0 = true;\r
 785         if (buttons & (1 << 1))\r
 786                 info->button1 = true;\r
 787 \r
 788         info->x += dx;\r
 789         info->y += dy;\r
 790 }\r
 791 \r
 792 ///////////////////////////////////////////////////////////////////////////\r
 793 //\r
 794 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 795 //              struct\r
 796 //\r
 797 ///////////////////////////////////////////////////////////////////////////\r
 798 void\r
 799 IN_ReadCursor(CursorInfo *info, global_game_variables_t *gvar)\r
 800 {\r
 801         word    i,\r
 802                         buttons;\r
 803         int             dx,dy;\r
 804 \r
 805         info->x = info->y = 0;\r
 806         info->button0 = info->button1 = false;\r
 807 \r
 808         if (gvar->in.MousePresent)\r
 809         {\r
 810                 buttons = INL_GetMouseButtons();\r
 811                 INL_GetMouseDelta(&dx,&dy);\r
 812                 INL_AdjustCursor(info,buttons,dx,dy);\r
 813         }\r
 814 \r
 815         for (i = 0;i < MaxJoys;i++)\r
 816         {\r
 817                 if (!gvar->in.JoysPresent[i])\r
 818                         continue;\r
 819 \r
 820                 buttons = INL_GetJoyButtons(i);\r
 821                 INL_GetJoyDelta(i,&dx,&dy/*,true*/, gvar);\r
 822                 dx /= 64;\r
 823                 dy /= 64;\r
 824                 INL_AdjustCursor(info,buttons,dx,dy);\r
 825         }\r
 826 }\r
 827 \r
 828 //if else for gfxtesting and direction\r
 829 #define DIRECTIONIFELSE (player->info.dir == 2)\r
 830 //#define NDIRECTIONIFELSE      (player->info.dir != 2)\r
 831 \r
 832 ///////////////////////////////////////////////////////////////////////////\r
 833 //\r
 834 //      IN_ReadControl() - Reads the device associated with the specified\r
 835 //              player and fills in the control info struct\r
 836 //\r
 837 ///////////////////////////////////////////////////////////////////////////\r
 838 void\r
 839 IN_ReadControl(player_t *player, global_game_variables_t *gvar)\r
 840 {\r
 841                         boolean         realdelta;\r
 842 #if DEMO0\r
 843                         byte            dbyte;\r
 844 #endif\r
 845                         word            buttons;\r
 846                         int                     dx,dy;\r
 847                         Motion          mx,my;\r
 848                         ControlType     type;\r
 849                         sword conpee;\r
 850                         byte dir=DirTable[2];\r
 851 register        KeyboardDef     *def;\r
 852 \r
 853         dx = dy = 0;\r
 854         mx = my = motion_None;\r
 855         buttons = 0;\r
 856 \r
 857 #if DEMO0\r
 858         if (DemoMode == demo_Playback)\r
 859         {\r
 860                 dbyte = DemoBuffer[DemoOffset + 1];\r
 861                 my = (dbyte & 3) - 1;\r
 862                 mx = ((dbyte >> 2) & 3) - 1;\r
 863                 buttons = (dbyte >> 4) & 3;\r
 864 \r
 865                 if (!(--DemoBuffer[DemoOffset]))\r
 866                 {\r
 867                         DemoOffset += 2;\r
 868                         if (DemoOffset >= DemoSize)\r
 869                                 DemoMode = demo_PlayDone;\r
 870                 }\r
 871 \r
 872                 realdelta = false;\r
 873         }\r
 874         else if (DemoMode == demo_PlayDone)\r
 875                 Quit ("Demo playback exceeded");\r
 876         else\r
 877         {\r
 878 #endif\r
 879                 switch (type = player->Controls)\r
 880                 {\r
 881                 case ctrl_Keyboard1:\r
 882                 case ctrl_Keyboard2:\r
 883                         def = &(gvar->in.KbdDefs[type - ctrl_Keyboard]);\r
 884 \r
 885 /*                      if (Keyboard[def->upleft])\r
 886                                 mx = motion_Left,my = motion_Up;\r
 887                         else if (Keyboard[def->upright])\r
 888                                 mx = motion_Right,my = motion_Up;\r
 889                         else if (Keyboard[def->downleft])\r
 890                                 mx = motion_Left,my = motion_Down;\r
 891                         else if (Keyboard[def->downright])\r
 892                                 mx = motion_Right,my = motion_Down;*/\r
 893 //TODO: make this into a function that the joystick AND keyboard can use wwww\r
 894                         if(DIRECTIONIFELSE)//(player->info.dir == 2)\r
 895                         {\r
 896                         if(!inst.Keyboard[def->left] && !inst.Keyboard[def->right]){\r
 897                                 if((inst.Keyboard[def->up] && !inst.Keyboard[def->down]))\r
 898                                         my = motion_Up;\r
 899                                 if((inst.Keyboard[def->down] && !inst.Keyboard[def->up]))\r
 900                                         my = motion_Down;\r
 901                         }else if(!inst.Keyboard[def->up] && !inst.Keyboard[def->down]){\r
 902                                 if((inst.Keyboard[def->left] && !inst.Keyboard[def->right]))\r
 903                                         mx = motion_Left;\r
 904                                 if((inst.Keyboard[def->right] && !inst.Keyboard[def->left]))\r
 905                                         mx = motion_Right;\r
 906                         }else{  //2 keys pressed\r
 907                                         switch (player->pdir)\r
 908                                         {\r
 909                                                 case 0:\r
 910                                                 case 4:\r
 911                                                         if((inst.Keyboard[def->left] && !inst.Keyboard[def->right])){ dir = DirTable[1]; }//mx = motion_Left; }\r
 912                                                         else if((inst.Keyboard[def->right] && !inst.Keyboard[def->left])){ dir = DirTable[3]; }//mx = motion_Right; }\r
 913                                                 break;\r
 914                                                 case 1:\r
 915                                                 case 3:\r
 916                                                         if((inst.Keyboard[def->up] && !inst.Keyboard[def->down])){ dir = DirTable[0]; }//my = motion_Up; }\r
 917                                                         else if((inst.Keyboard[def->down] && !inst.Keyboard[def->up])){ dir = DirTable[4]; }//my = motion_Down; }\r
 918                                                 break;\r
 919                                                 default:\r
 920                                                 break;\r
 921                                         }\r
 922 #ifdef __DEBUG_InputMgr__\r
 923                                         //if(dbg_testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c        ", dirchar(player->pdir)); }\r
 924 #endif\r
 925                                 }\r
 926                         }\r
 927                         //input from player\r
 928                         if (inst.Keyboard[def->button0])\r
 929                                 buttons += 1 << 0;\r
 930                         if (inst.Keyboard[def->button1])\r
 931                                 buttons += 1 << 1;\r
 932                         realdelta = false;\r
 933                         break;\r
 934                 case ctrl_Joystick1:\r
 935                 case ctrl_Joystick2:\r
 936                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy/*,false*/, gvar);\r
 937                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 938                         realdelta = true;\r
 939                         break;\r
 940                 case ctrl_Mouse:\r
 941                         INL_GetMouseDelta(&dx,&dy);\r
 942                         buttons = INL_GetMouseButtons();\r
 943                         realdelta = true;\r
 944                         break;\r
 945                 }\r
 946 #ifdef DEMO0\r
 947         }\r
 948 #endif\r
 949 \r
 950         if (realdelta)\r
 951         {\r
 952                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 953                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 954         }\r
 955         else\r
 956         {\r
 957                 dx = mx;// * 127;\r
 958                 dy = my;// * 127;\r
 959         }\r
 960 \r
 961         player->info.x = dx;\r
 962         player->info.xaxis = mx;\r
 963         player->info.y = dy;\r
 964         player->info.yaxis = my;\r
 965         player->info.button0 = buttons & (1 << 0);\r
 966         player->info.button1 = buttons & (1 << 1);\r
 967         player->info.button2 = buttons & (1 << 2);\r
 968         player->info.button3 = buttons & (1 << 3);\r
 969 //      player->info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 970         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 971         player->info.dir = DirTable[conpee];\r
 972 \r
 973         if(DirTable[conpee]!=2) player->pdir=DirTable[conpee];\r
 974         if(player->enti.q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 975         {\r
 976                 if(dir==2) player->enti.d = player->info.dir;\r
 977                 else player->enti.d = DirTable[dir];\r
 978         }\r
 979 \r
 980 #if DEMO0\r
 981         if (DemoMode == demo_Record)\r
 982         {\r
 983                 // Pack the control info into a byte\r
 984                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 985 \r
 986                 if\r
 987                 (\r
 988                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 989                 &&      (DemoBuffer[DemoOffset] < 255)\r
 990                 )\r
 991                         (DemoBuffer[DemoOffset])++;\r
 992                 else\r
 993                 {\r
 994                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 995                                 DemoOffset += 2;\r
 996 \r
 997                         if (DemoOffset >= DemoSize)\r
 998                                 Quit ("Demo buffer overflow");\r
 999 \r
1000                         DemoBuffer[DemoOffset] = 1;\r
1001                         DemoBuffer[DemoOffset + 1] = dbyte;\r
1002                 }\r
1003         }\r
1004 #endif\r
1005 #ifdef __DEBUG_InputMgr__\r
1006 if(dbg_testcontrolnoisy > 0)\r
1007 if(player->info.dir!=2/*(inst.Keyboard[def->up] || inst.Keyboard[def->down] || inst.Keyboard[def->left] || inst.Keyboard[def->right])*/ || player->enti.q>1)\r
1008 {\r
1009         //printf("b1=%u b2=%u b3=%u b4=%u       ", player->info.button0, player->info.button1, player->info.button2, player->info.button3);\r
1010         //printf("q=%d ", player->enti.q);\r
1011         //printf("cpee=%c ", dirchar(conpee));\r
1012         printf("pdir=%c d=%c dir=%c ", dirchar(player->pdir), dirchar(player->enti.d), dirchar(player->info.dir));\r
1013         /*if(realdelta) */printf("dx=%d dy=%d   mx=%d   my=%d", player->info.x, player->info.y, player->info.xaxis, player->info.yaxis);\r
1014         //else if(!realdelta) printf("%c%d %c%d %c%d %c%d", dirchar(0), inst.Keyboard[def->up], dirchar(4), inst.Keyboard[def->down], dirchar(1), inst.Keyboard[def->left], dirchar(3), inst.Keyboard[def->right]);\r
1015         printf("\n");\r
1016 }\r
1017 #endif\r
1018 }\r
1019 \r
1020 ///////////////////////////////////////////////////////////////////////////\r
1021 //\r
1022 //      IN_SetControlType() - Sets the control type to be used by the specified\r
1023 //              player\r
1024 //\r
1025 ///////////////////////////////////////////////////////////////////////////\r
1026 void\r
1027 IN_SetControlType(player_t *player,ControlType type)\r
1028 {\r
1029         // DEBUG - check that requested type is present?\r
1030         player->Controls = type;\r
1031 }\r
1032 \r
1033 #if DEMO0\r
1034 ///////////////////////////////////////////////////////////////////////////\r
1035 //\r
1036 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1037 //              size passed. Returns if the buffer allocation was successful\r
1038 //\r
1039 ///////////////////////////////////////////////////////////////////////////\r
1040 boolean\r
1041 IN_StartDemoRecord(word bufsize)\r
1042 {\r
1043         if (!bufsize)\r
1044                 return(false);\r
1045 \r
1046         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1047         DemoMode = demo_Record;\r
1048         DemoSize = bufsize & ~1;\r
1049         DemoOffset = 0;\r
1050         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1051 \r
1052         return(true);\r
1053 }\r
1054 \r
1055 ///////////////////////////////////////////////////////////////////////////\r
1056 //\r
1057 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1058 //\r
1059 ///////////////////////////////////////////////////////////////////////////\r
1060 void\r
1061 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1062 {\r
1063         DemoBuffer = buffer;\r
1064         DemoMode = demo_Playback;\r
1065         DemoSize = bufsize & ~1;\r
1066         DemoOffset = 0;\r
1067 }\r
1068 \r
1069 ///////////////////////////////////////////////////////////////////////////\r
1070 //\r
1071 //      IN_StopDemo() - Turns off demo mode\r
1072 //\r
1073 ///////////////////////////////////////////////////////////////////////////\r
1074 void\r
1075 IN_StopDemo(void)\r
1076 {\r
1077         if ((DemoMode == demo_Record) && DemoOffset)\r
1078                 DemoOffset += 2;\r
1079 \r
1080         DemoMode = demo_Off;\r
1081 }\r
1082 \r
1083 ///////////////////////////////////////////////////////////////////////////\r
1084 //\r
1085 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1086 //\r
1087 ///////////////////////////////////////////////////////////////////////////\r
1088 void\r
1089 IN_FreeDemoBuffer(void)\r
1090 {\r
1091         if (DemoBuffer)\r
1092                 MM_FreePtr((memptr *)&DemoBuffer);\r
1093 }\r
1094 #endif\r
1095 \r
1096 \r
1097 ///////////////////////////////////////////////////////////////////////////\r
1098 //\r
1099 //      IN_GetScanName() - Returns a string containing the name of the\r
1100 //              specified scan code\r
1101 //\r
1102 ///////////////////////////////////////////////////////////////////////////\r
1103 byte *\r
1104 IN_GetScanName(ScanCode scan)\r
1105 {\r
1106         byte            **p;\r
1107         ScanCode        far *s;\r
1108 \r
1109         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1110                 if (*s == scan)\r
1111                         return(*p);\r
1112 \r
1113         return(ScanNames[scan]);\r
1114 }\r
1115 \r
1116 ///////////////////////////////////////////////////////////////////////////\r
1117 //\r
1118 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1119 //              returns the scan code\r
1120 //\r
1121 ///////////////////////////////////////////////////////////////////////////\r
1122 ScanCode\r
1123 IN_WaitForKey(void)\r
1124 {\r
1125         ScanCode        result;\r
1126 \r
1127         while (!(result = inst.LastScan))\r
1128                 ;\r
1129         inst.LastScan = 0;\r
1130         return(result);\r
1131 }\r
1132 \r
1133 ///////////////////////////////////////////////////////////////////////////\r
1134 //\r
1135 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1136 //              returns the ASCII value\r
1137 //\r
1138 ///////////////////////////////////////////////////////////////////////////\r
1139 char\r
1140 IN_WaitForASCII(void)\r
1141 {\r
1142         char            result;\r
1143 \r
1144         while (!(result = inst.LastASCII))\r
1145                 ;\r
1146         inst.LastASCII = '\0';\r
1147         return(result);\r
1148 }\r
1149 \r
1150 ///////////////////////////////////////////////////////////////////////////\r
1151 //\r
1152 //      IN_Ack() - waits for a button or key press.  If a button is down, upon\r
1153 // calling, it must be released for it to be recognized\r
1154 //\r
1155 ///////////////////////////////////////////////////////////////////////////\r
1156 \r
1157 boolean btnstate[8];\r
1158 \r
1159 void IN_StartAck(global_game_variables_t *gvar)\r
1160 {\r
1161         unsigned        i,buttons;\r
1162 \r
1163 //\r
1164 // get initial state of everything\r
1165 //\r
1166         IN_ClearKeysDown();\r
1167         memset (btnstate,0,sizeof(btnstate));\r
1168 \r
1169         buttons = IN_JoyButtons () << 4;\r
1170         if (gvar->in.MousePresent)\r
1171                 buttons |= IN_MouseButtons (gvar);\r
1172 \r
1173         for (i=0;i<8;i++,buttons>>=1)\r
1174                 if (buttons&1)\r
1175                         btnstate[i] = true;\r
1176 }\r
1177 \r
1178 \r
1179 boolean IN_CheckAck (global_game_variables_t *gvar)\r
1180 {\r
1181         unsigned        i,buttons;\r
1182 \r
1183 //\r
1184 // see if something has been pressed\r
1185 //\r
1186         if (inst.LastScan)\r
1187                 return true;\r
1188 \r
1189         buttons = IN_JoyButtons () << 4;\r
1190         if (gvar->in.MousePresent)\r
1191                 buttons |= IN_MouseButtons (gvar);\r
1192 \r
1193         for (i=0;i<8;i++,buttons>>=1)\r
1194                 if ( buttons&1 )\r
1195                 {\r
1196                         if (!btnstate[i])\r
1197                                 return true;\r
1198                 }\r
1199                 else\r
1200                         btnstate[i]=false;\r
1201 \r
1202         return false;\r
1203 }\r
1204 \r
1205 \r
1206 void IN_Ack (global_game_variables_t *gvar)\r
1207 {\r
1208         IN_StartAck (gvar);\r
1209 \r
1210         while (!IN_CheckAck (gvar))\r
1211         ;\r
1212 }\r
1213 \r
1214 ///////////////////////////////////////////////////////////////////////////\r
1215 //\r
1216 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1217 //              is down\r
1218 //\r
1219 ///////////////////////////////////////////////////////////////////////////\r
1220 boolean\r
1221 IN_IsUserInput(global_game_variables_t *gvar)\r
1222 {\r
1223         boolean result;\r
1224         word    i;\r
1225 \r
1226         result = inst.LastScan;\r
1227 \r
1228         if (gvar->in.MousePresent)\r
1229                 if (INL_GetMouseButtons())\r
1230                         result = true;\r
1231 \r
1232         for (i = 0;i < MaxJoys;i++)\r
1233                 if (gvar->in.JoysPresent[i])\r
1234                         if (INL_GetJoyButtons(i))\r
1235                                 result = true;\r
1236 \r
1237         return(result);\r
1238 }\r
1239 \r
1240 ///////////////////////////////////////////////////////////////////////////\r
1241 //\r
1242 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1243 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1244 //              then either clears the key or waits for the user to let the mouse\r
1245 //              button up.\r
1246 //\r
1247 ///////////////////////////////////////////////////////////////////////////\r
1248 boolean IN_UserInput(word delay, global_game_variables_t *gvar)\r
1249 {\r
1250         word TimeCount = *clockw;\r
1251         word    lasttime;\r
1252 \r
1253         lasttime = TimeCount;\r
1254         IN_StartAck (gvar);\r
1255         do\r
1256         {\r
1257                 if (IN_CheckAck(gvar))\r
1258                         return true;\r
1259         } while (TimeCount - lasttime < delay);\r
1260         return(false);\r
1261 }\r
1262 \r
1263 //===========================================================================\r
1264 \r
1265 /*\r
1266 ===================\r
1267 =\r
1268 = IN_MouseButtons\r
1269 =\r
1270 ===================\r
1271 */\r
1272 \r
1273 byte    IN_MouseButtons (global_game_variables_t *gvar)\r
1274 {\r
1275         union REGS CPURegs;\r
1276         if (gvar->in.MousePresent)\r
1277         {\r
1278                 Mouse(MButtons);\r
1279                 return CPURegs.x.bx;\r
1280         }\r
1281         else\r
1282                 return 0;\r
1283 }\r
1284 \r
1285 \r
1286 /*\r
1287 ===================\r
1288 =\r
1289 = IN_JoyButtons\r
1290 =\r
1291 ===================\r
1292 */\r
1293 \r
1294 byte    IN_JoyButtons (void)\r
1295 {\r
1296         byte joybits;\r
1297 \r
1298         joybits = inportb(0x201);       // Get all the joystick buttons\r
1299         joybits >>= 4;                          // only the high bits are useful\r
1300         joybits ^= 15;                          // return with 1=pressed\r
1301 \r
1302         return joybits;\r
1303 }\r
1304 \r
1305 boolean IN_KeyDown(byte code)\r
1306 {\r
1307 #ifdef __DEBUG_InputMgr__\r
1308         if(inst.Keyboard[code])\r
1309                 printf("IN_KeyDown(%c): %u\n", code, inst.Keyboard[code]);\r
1310         if(!dbg_nointest)\r
1311 #endif\r
1312         return inst.Keyboard[code];\r
1313 #ifdef __DEBUG_InputMgr__\r
1314         else\r
1315                 if(dbg_nointest && kbhit())\r
1316                         return 1;\r
1317                 else\r
1318                         return 0;\r
1319 #endif\r
1320 }\r
1321 \r
1322 void IN_ClearKey(byte code)\r
1323 {\r
1324         inst.Keyboard[code] = false;\r
1325         if(code == inst.LastScan)\r
1326                 inst.LastScan = sc_None;\r
1327         }\r
1328 \r
1329 boolean IN_qb(byte kee)\r
1330 {\r
1331 #ifdef __DEBUG_InputMgr__\r
1332         if(dbg_testkeyin) if(inst.Keyboard[kee]) printf("IN_qb():       %u\n", inst.Keyboard[kee]);\r
1333 #endif\r
1334         if(inst.Keyboard[kee]==true) return 1;\r
1335         else return 0;\r
1336 }\r
1337 \r
1338 ScanCode IN_GetLastScan()\r
1339 {\r
1340         return inst.LastScan;\r
1341 }\r
1342 \r
1343 ScanCode IN_GetCurCode()\r
1344 {\r
1345         return inst.CurCode;\r
1346 }\r
1347 \r
1348 void IN_KbdLED()\r
1349 {\r
1350         byte far *lock_key;\r
1351 \r
1352         // turn off num-lock via BIOS\r
1353         lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
1354         *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
1355         OldKeyVect();   // call BIOS keyhandler to change keyboard lights\r
1356 }\r