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 static  void                    INL_StartKbd(void);\r
 173 \r
 174 //      Internal routines\r
 175 \r
 176 ///////////////////////////////////////////////////////////////////////////\r
 177 //\r
 178 //      INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
 179 //\r
 180 ///////////////////////////////////////////////////////////////////////////\r
 181 /*static */void interrupt\r
 182 INL_KeyService(void)\r
 183 {\r
 184 static  boolean special;\r
 185                 byte    k,c,\r
 186                                 temp;\r
 187 \r
 188         k = inportb(0x60);      // Get the scan code\r
 189 \r
 190         // Tell the XT keyboard controller to clear the key\r
 191         outportb(0x61,(temp = inportb(0x61)) | 0x80);\r
 192         outportb(0x61,temp);\r
 193 \r
 194         if (k == 0xe0)          // Special key prefix\r
 195                 special = true;\r
 196         else if (k == 0xe1)     // Handle Pause key\r
 197                 inst.Paused = true;\r
 198         else\r
 199         {\r
 200                 if (k & 0x80)   // Break code\r
 201                 {\r
 202                         k &= 0x7f;\r
 203 \r
 204 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 205 \r
 206                         inst.Keyboard[k] = false;\r
 207                 }\r
 208                 else                    // Make code\r
 209                 {\r
 210                         inst.LastCode = inst.CurCode;\r
 211                         inst.CurCode = inst.LastScan = k;\r
 212                         inst.Keyboard[k] = true;\r
 213 \r
 214                         if (special)\r
 215                                 c = SpecialNames[k];\r
 216                         else\r
 217                         {\r
 218                                 if (k == sc_CapsLock)\r
 219                                 {\r
 220                                         inst.CapsLock ^= true;\r
 221                                         // DEBUG - make caps lock light work\r
 222                                 }\r
 223 \r
 224                                 if (inst.Keyboard[sc_LShift] || inst.Keyboard[sc_RShift])       // If shifted\r
 225                                 {\r
 226                                         c = ShiftNames[k];\r
 227                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 228                                                 c += 'a' - 'A';\r
 229                                 }\r
 230                                 else\r
 231                                 {\r
 232                                         c = ASCIINames[k];\r
 233                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 234                                                 c -= 'a' - 'A';\r
 235                                 }\r
 236                         }\r
 237                         if (c)\r
 238                                 inst.LastASCII = c;\r
 239                 }\r
 240 \r
 241                 special = false;\r
 242         }\r
 243 \r
 244         if (INL_KeyHook && !special)\r
 245                 INL_KeyHook();\r
 246 #ifdef __DEBUG_InputMgr__\r
 247         if(dbg_testkeyin > 0) printf("%c        %u      [0x%x %u]       %u\n", c, c, k, k, inst.Keyboard[k]);\r
 248 #endif\r
 249         outportb(0x20,0x20);\r
 250 }\r
 251 \r
 252 void INL_Mouse(int x)\r
 253 {\r
 254         //union REGS CPURegs;\r
 255         //x = CPURegs.x.ax;\r
 256         __asm {\r
 257                 mov     ax,x\r
 258                 int     MouseInt\r
 259         }\r
 260         //int86(MouseInt,&CPURegs,&CPURegs);\r
 261 }\r
 262 \r
 263 ///////////////////////////////////////////////////////////////////////////\r
 264 //\r
 265 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 266 //              mouse driver\r
 267 //\r
 268 ///////////////////////////////////////////////////////////////////////////\r
 269 static void\r
 270 INL_GetMouseDelta(int *x,int *y)\r
 271 {\r
 272         union REGS CPURegs;\r
 273         Mouse(MDelta);\r
 274         *x = CPURegs.x.cx;\r
 275         *y = CPURegs.x.dx;\r
 276 }\r
 277 \r
 278 ///////////////////////////////////////////////////////////////////////////\r
 279 //\r
 280 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 281 //              mouse driver\r
 282 //\r
 283 ///////////////////////////////////////////////////////////////////////////\r
 284 static word\r
 285 INL_GetMouseButtons(void)\r
 286 {\r
 287         union REGS CPURegs;\r
 288         word    buttons;\r
 289 \r
 290         Mouse(MButtons);\r
 291         buttons = CPURegs.x.bx;\r
 292         return(buttons);\r
 293 }\r
 294 \r
 295 ///////////////////////////////////////////////////////////////////////////\r
 296 //\r
 297 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 298 //\r
 299 ///////////////////////////////////////////////////////////////////////////\r
 300 void\r
 301 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 302 {\r
 303         byte    xb,yb,\r
 304                         xs,ys;\r
 305         word    x,y;\r
 306 \r
 307         x = y = 0;\r
 308         xs = joy? 2 : 0;                // Find shift value for x axis\r
 309         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 310         ys = joy? 3 : 1;                // Do the same for y axis\r
 311         yb = 1 << ys;\r
 312 \r
 313 // Read the absolute joystick values\r
 314         __asm {\r
 315                 pushf                           // Save some registers\r
 316                 push    si\r
 317                 push    di\r
 318                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 319 \r
 320 \r
 321                 mov             dx,0x201\r
 322                 in              al,dx\r
 323                 out             dx,al           // Clear the resistors\r
 324 \r
 325                 mov             ah,[xb]         // Get masks into registers\r
 326                 mov             ch,[yb]\r
 327 \r
 328                 xor             si,si           // Clear count registers\r
 329                 xor             di,di\r
 330                 xor             bh,bh           // Clear high byte of bx for later\r
 331 \r
 332                 push    bp                      // Don't mess up stack frame\r
 333                 mov             bp,MaxJoyValue\r
 334 #ifdef __BORLANDC__\r
 335         }\r
 336 #endif\r
 337 loo:\r
 338 #ifdef __BORLANDC__\r
 339         __asm {\r
 340 #endif\r
 341                 in              al,dx           // Get bits indicating whether all are finished\r
 342 \r
 343                 dec             bp                      // Check bounding register\r
 344                 jz              done            // We have a silly value - abort\r
 345 \r
 346                 mov             bl,al           // Duplicate the bits\r
 347                 and             bl,ah           // Mask off useless bits (in [xb])\r
 348                 add             si,bx           // Possibly increment count register\r
 349                 mov             cl,bl           // Save for testing later\r
 350 \r
 351                 mov             bl,al\r
 352                 and             bl,ch           // [yb]\r
 353                 add             di,bx\r
 354 \r
 355                 add             cl,bl\r
 356                 jnz             loo             // If both bits were 0, drop out\r
 357 #ifdef __BORLANDC__\r
 358         }\r
 359 #endif\r
 360 done:\r
 361 #ifdef __BORLANDC__\r
 362         __asm {\r
 363 #endif\r
 364                 pop             bp\r
 365 \r
 366                 mov             cl,[xs]         // Get the number of bits to shift\r
 367                 shr             si,cl           //  and shift the count that many times\r
 368 \r
 369                 mov             cl,[ys]\r
 370                 shr             di,cl\r
 371 \r
 372                 mov             [x],si          // Store the values into the variables\r
 373                 mov             [y],di\r
 374 \r
 375                 pop             di\r
 376                 pop             si\r
 377                 popf                            // Restore the registers\r
 378         }\r
 379 \r
 380         *xp = x;\r
 381         *yp = y;\r
 382 }\r
 383 \r
 384 ///////////////////////////////////////////////////////////////////////////\r
 385 //\r
 386 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 387 //              joystick (from +/-127)\r
 388 //\r
 389 ///////////////////////////////////////////////////////////////////////////\r
 390 void INL_GetJoyDelta(word joy,int *dx,int *dy/*,boolean adaptive*/, global_game_variables_t *gvar)\r
 391 {\r
 392         word            x,y;\r
 393         word TimeCount = *clockw;\r
 394         JoystickDef     *def;\r
 395 static  word    lasttime;\r
 396 \r
 397         IN_GetJoyAbs(joy,&x,&y);\r
 398         def = gvar->in.JoyDefs + joy;\r
 399 \r
 400         if (x < def->threshMinX)\r
 401         {\r
 402                 if (x < def->joyMinX)\r
 403                         x = def->joyMinX;\r
 404 \r
 405                 x = -(x - def->threshMinX);\r
 406                 x *= def->joyMultXL;\r
 407                 x >>= JoyScaleShift;\r
 408                 *dx = (x > 127)? -127 : -x;\r
 409         }\r
 410         else if (x > def->threshMaxX)\r
 411         {\r
 412                 if (x > def->joyMaxX)\r
 413                         x = def->joyMaxX;\r
 414 \r
 415                 x = x - def->threshMaxX;\r
 416                 x *= def->joyMultXH;\r
 417                 x >>= JoyScaleShift;\r
 418                 *dx = (x > 127)? 127 : x;\r
 419         }\r
 420         else\r
 421                 *dx = 0;\r
 422 \r
 423         if (y < def->threshMinY)\r
 424         {\r
 425                 if (y < def->joyMinY)\r
 426                         y = def->joyMinY;\r
 427 \r
 428                 y = -(y - def->threshMinY);\r
 429                 y *= def->joyMultYL;\r
 430                 y >>= JoyScaleShift;\r
 431                 *dy = (y > 127)? -127 : -y;\r
 432         }\r
 433         else if (y > def->threshMaxY)\r
 434         {\r
 435                 if (y > def->joyMaxY)\r
 436                         y = def->joyMaxY;\r
 437 \r
 438                 y = y - def->threshMaxY;\r
 439                 y *= def->joyMultYH;\r
 440                 y >>= JoyScaleShift;\r
 441                 *dy = (y > 127)? 127 : y;\r
 442         }\r
 443         else\r
 444                 *dy = 0;\r
 445 //      if (adaptive)\r
 446 //      {\r
 447 //              time = (TimeCount - lasttime) / 2;\r
 448 //              if (time)\r
 449 //              {\r
 450 //                      if (time > 8)\r
 451 //                              time = 8;\r
 452 //                      *dx *= time;\r
 453 //                      *dy *= time;\r
 454 //              }\r
 455 //      }\r
 456         lasttime = TimeCount;\r
 457 }\r
 458 \r
 459 ///////////////////////////////////////////////////////////////////////////\r
 460 //\r
 461 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 462 //              joystick\r
 463 //\r
 464 ///////////////////////////////////////////////////////////////////////////\r
 465 static word\r
 466 INL_GetJoyButtons(word joy)\r
 467 {\r
 468 register        word    result;\r
 469 \r
 470         result = inportb(0x201);        // Get all the joystick buttons\r
 471         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 472         result &= 3;                            // Mask off the useless bits\r
 473         result ^= 3;\r
 474         return(result);\r
 475 }\r
 476 \r
 477 ///////////////////////////////////////////////////////////////////////////\r
 478 //\r
 479 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 480 //              specified joystick\r
 481 //\r
 482 ///////////////////////////////////////////////////////////////////////////\r
 483 word\r
 484 IN_GetJoyButtonsDB(word joy)\r
 485 {\r
 486         word TimeCount = *clockw;\r
 487         word    lasttime;\r
 488         word            result1,result2;\r
 489 \r
 490         do\r
 491         {\r
 492                 result1 = INL_GetJoyButtons(joy);\r
 493                 lasttime = TimeCount;\r
 494                 while(TimeCount == lasttime)\r
 495                         //;\r
 496                 result2 = INL_GetJoyButtons(joy);\r
 497         } while(result1 != result2);\r
 498         return(result1);\r
 499 }\r
 500 \r
 501 ///////////////////////////////////////////////////////////////////////////\r
 502 //\r
 503 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 504 //\r
 505 ///////////////////////////////////////////////////////////////////////////\r
 506 static void\r
 507 INL_StartKbd()\r
 508 {\r
 509         INL_KeyHook = NULL;     // Clear key hook\r
 510 \r
 511         IN_ClearKeysDown();\r
 512 \r
 513         OldKeyVect = getvect(KeyInt);//IN_KbdLED();\r
 514         setvect(KeyInt,INL_KeyService);\r
 515 }\r
 516 \r
 517 ///////////////////////////////////////////////////////////////////////////\r
 518 //\r
 519 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 520 //\r
 521 ///////////////////////////////////////////////////////////////////////////\r
 522 static void\r
 523 INL_ShutKbd(void)\r
 524 {\r
 525         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 526 \r
 527         setvect(KeyInt,OldKeyVect);\r
 528 }\r
 529 \r
 530 ///////////////////////////////////////////////////////////////////////////\r
 531 //\r
 532 //      INL_StartMouse() - Detects and sets up the mouse\r
 533 //\r
 534 ///////////////////////////////////////////////////////////////////////////\r
 535 static boolean\r
 536 INL_StartMouse(void)\r
 537 {\r
 538 #if 0\r
 539         if (getvect(MouseInt))\r
 540         {\r
 541                 Mouse(MReset);\r
 542                 if (_AX == 0xffff)\r
 543                         return(true);\r
 544         }\r
 545         return(false);\r
 546 #endif\r
 547         byte far *vector;\r
 548 \r
 549 \r
 550         if ((vector=MK_FP(peek(0,0x33*4+2),peek(0,0x33*4)))==NULL)\r
 551         return false;\r
 552 \r
 553         if (*vector == 207)\r
 554                 return false;\r
 555 \r
 556         Mouse(MReset);\r
 557         return true;\r
 558 }\r
 559 \r
 560 ///////////////////////////////////////////////////////////////////////////\r
 561 //\r
 562 //      INL_ShutMouse() - Cleans up after the mouse\r
 563 //\r
 564 ///////////////////////////////////////////////////////////////////////////\r
 565 static void\r
 566 INL_ShutMouse(void)\r
 567 {\r
 568 }\r
 569 \r
 570 //\r
 571 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 572 //\r
 573 static void\r
 574 INL_SetJoyScale(word joy, global_game_variables_t *gvar)\r
 575 {\r
 576         JoystickDef     *def;\r
 577 \r
 578         def = &(gvar->in.JoyDefs[joy]);\r
 579         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 580         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 581         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 582         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 583 }\r
 584 \r
 585 ///////////////////////////////////////////////////////////////////////////\r
 586 //\r
 587 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 588 //              to set up scaling values\r
 589 //\r
 590 ///////////////////////////////////////////////////////////////////////////\r
 591 void\r
 592 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy, global_game_variables_t *gvar)\r
 593 {\r
 594         word            d,r;\r
 595         JoystickDef     *def;\r
 596 \r
 597         def = &(gvar->in.JoyDefs[joy]);\r
 598 \r
 599         def->joyMinX = minx;\r
 600         def->joyMaxX = maxx;\r
 601         r = maxx - minx;\r
 602         d = r / 3;\r
 603         def->threshMinX = ((r / 2) - d) + minx;\r
 604         def->threshMaxX = ((r / 2) + d) + minx;\r
 605 \r
 606         def->joyMinY = miny;\r
 607         def->joyMaxY = maxy;\r
 608         r = maxy - miny;\r
 609         d = r / 3;\r
 610         def->threshMinY = ((r / 2) - d) + miny;\r
 611         def->threshMaxY = ((r / 2) + d) + miny;\r
 612 \r
 613         INL_SetJoyScale(joy, gvar);\r
 614 }\r
 615 \r
 616 ///////////////////////////////////////////////////////////////////////////\r
 617 //\r
 618 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 619 //                                      The auto-config assumes the joystick is centered\r
 620 //\r
 621 ///////////////////////////////////////////////////////////////////////////\r
 622 static boolean\r
 623 INL_StartJoy(word joy, global_game_variables_t *gvar)\r
 624 {\r
 625         word            x,y;\r
 626 \r
 627         IN_GetJoyAbs(joy,&x,&y);\r
 628 \r
 629         if\r
 630         (\r
 631                 ((x == 0) || (x > MaxJoyValue - 10))\r
 632         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 633         )\r
 634                 return(false);\r
 635         else\r
 636         {\r
 637                 IN_SetupJoy(joy,0,x * 2,0,y * 2, gvar);\r
 638                 return(true);\r
 639         }\r
 640 }\r
 641 \r
 642 ///////////////////////////////////////////////////////////////////////////\r
 643 //\r
 644 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 645 //\r
 646 ///////////////////////////////////////////////////////////////////////////\r
 647 static void\r
 648 INL_ShutJoy(word joy, global_game_variables_t *gvar)\r
 649 {\r
 650         gvar->in.JoysPresent[joy] = false;\r
 651 }\r
 652 \r
 653 //      Public routines\r
 654 \r
 655 ///////////////////////////////////////////////////////////////////////////\r
 656 //\r
 657 //      IN_Startup() - Starts up the Input Mgr\r
 658 //\r
 659 ///////////////////////////////////////////////////////////////////////////\r
 660 void\r
 661 IN_Startup(global_game_variables_t *gvar)\r
 662 {\r
 663         boolean checkjoys,checkmouse;\r
 664         word    i;\r
 665 \r
 666         if (gvar->in.IN_Started)\r
 667                 return;\r
 668 \r
 669         checkjoys = true;\r
 670         checkmouse = true;\r
 671         for (i = 1;i < _argc;i++)\r
 672         {\r
 673                 switch (US_CheckParm(_argv[i],ParmStringsIN))\r
 674                 {\r
 675                 case 0:\r
 676                         checkjoys = false;\r
 677                         break;\r
 678                 case 1:\r
 679                         checkmouse = false;\r
 680                         break;\r
 681                 }\r
 682         }\r
 683 \r
 684         INL_StartKbd();\r
 685         gvar->in.MousePresent = checkmouse? INL_StartMouse() : false;\r
 686 \r
 687         for (i = 0;i < MaxJoys;i++)\r
 688                 gvar->in.JoysPresent[i] = checkjoys? INL_StartJoy(i, gvar) : false;\r
 689 \r
 690         gvar->in.inst = &inst;\r
 691 \r
 692         gvar->in.IN_Started = true;\r
 693 \r
 694 }\r
 695 \r
 696 ///////////////////////////////////////////////////////////////////////////\r
 697 //\r
 698 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 699 //\r
 700 ///////////////////////////////////////////////////////////////////////////\r
 701 void\r
 702 IN_Default(boolean gotit,player_t *player,ControlType nt, global_game_variables_t *gvar)\r
 703 {\r
 704         int i;\r
 705         if\r
 706         (\r
 707                 (!gotit)\r
 708         ||      ((nt == ctrl_Joystick1) && !gvar->in.JoysPresent[0])\r
 709         ||      ((nt == ctrl_Joystick2) && !gvar->in.JoysPresent[1])\r
 710         ||      ((nt == ctrl_Mouse) && !gvar->in.MousePresent)\r
 711         )\r
 712                 nt = ctrl_Keyboard1;\r
 713         gvar->in.KbdDefs[0].button0 = 0x1c;\r
 714         gvar->in.KbdDefs[0].button1 = 0x38;\r
 715         //in.KbdDefs[0].upleft = 0x47;\r
 716         gvar->in.KbdDefs[0].up = 0x48;\r
 717         //in.KbdDefs[0].upright = 0x49;\r
 718         gvar->in.KbdDefs[0].left = 0x4b;\r
 719         gvar->in.KbdDefs[0].right = 0x4d;\r
 720         //in.KbdDefs[0].downleft = 0x4f;\r
 721         gvar->in.KbdDefs[0].down = 0x50;\r
 722         //in.KbdDefs[0].downright = 0x51;\r
 723         IN_SetControlType(player,nt);\r
 724         for(i=0; i>MaxPlayers;i++)\r
 725                 player[i].enti.d =2;\r
 726 }\r
 727 \r
 728 ///////////////////////////////////////////////////////////////////////////\r
 729 //\r
 730 //      IN_Shutdown() - Shuts down the Input Mgr\r
 731 //\r
 732 ///////////////////////////////////////////////////////////////////////////\r
 733 void\r
 734 IN_Shutdown(global_game_variables_t *gvar)\r
 735 {\r
 736         word    i;\r
 737 \r
 738         if (!gvar->in.IN_Started)\r
 739                 return;\r
 740 \r
 741         INL_ShutMouse();\r
 742         for (i = 0;i < MaxJoys;i++)\r
 743                 INL_ShutJoy(i, gvar);\r
 744         INL_ShutKbd();\r
 745 \r
 746         gvar->in.IN_Started = false;\r
 747 }\r
 748 \r
 749 ///////////////////////////////////////////////////////////////////////////\r
 750 //\r
 751 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 752 //                      everytime a real make/break code gets hit\r
 753 //\r
 754 ///////////////////////////////////////////////////////////////////////////\r
 755 void\r
 756 IN_SetKeyHook(void (*hook)())\r
 757 {\r
 758         INL_KeyHook = hook;\r
 759 }\r
 760 \r
 761 ///////////////////////////////////////////////////////////////////////////\r
 762 //\r
 763 //      IN_ClearKeysDown() - Clears the keyboard array\r
 764 //\r
 765 ///////////////////////////////////////////////////////////////////////////\r
 766 void\r
 767 IN_ClearKeysDown(void)\r
 768 {\r
 769         //int   i;\r
 770 \r
 771         inst.LastScan = sc_None;\r
 772         inst.LastASCII = key_None;\r
 773         memset (inst.Keyboard,0,sizeof(inst.Keyboard));\r
 774 }\r
 775 \r
 776 ///////////////////////////////////////////////////////////////////////////\r
 777 //\r
 778 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 779 //\r
 780 ///////////////////////////////////////////////////////////////////////////\r
 781 static void\r
 782 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 783 {\r
 784         if (buttons & (1 << 0))\r
 785                 info->button0 = true;\r
 786         if (buttons & (1 << 1))\r
 787                 info->button1 = true;\r
 788 \r
 789         info->x += dx;\r
 790         info->y += dy;\r
 791 }\r
 792 \r
 793 ///////////////////////////////////////////////////////////////////////////\r
 794 //\r
 795 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 796 //              struct\r
 797 //\r
 798 ///////////////////////////////////////////////////////////////////////////\r
 799 void\r
 800 IN_ReadCursor(CursorInfo *info, global_game_variables_t *gvar)\r
 801 {\r
 802         word    i,\r
 803                         buttons;\r
 804         int             dx,dy;\r
 805 \r
 806         info->x = info->y = 0;\r
 807         info->button0 = info->button1 = false;\r
 808 \r
 809         if (gvar->in.MousePresent)\r
 810         {\r
 811                 buttons = INL_GetMouseButtons();\r
 812                 INL_GetMouseDelta(&dx,&dy);\r
 813                 INL_AdjustCursor(info,buttons,dx,dy);\r
 814         }\r
 815 \r
 816         for (i = 0;i < MaxJoys;i++)\r
 817         {\r
 818                 if (!gvar->in.JoysPresent[i])\r
 819                         continue;\r
 820 \r
 821                 buttons = INL_GetJoyButtons(i);\r
 822                 INL_GetJoyDelta(i,&dx,&dy/*,true*/, gvar);\r
 823                 dx /= 64;\r
 824                 dy /= 64;\r
 825                 INL_AdjustCursor(info,buttons,dx,dy);\r
 826         }\r
 827 }\r
 828 \r
 829 //if else for gfxtesting and direction\r
 830 #define DIRECTIONIFELSE (player->info.dir == 2)\r
 831 //#define NDIRECTIONIFELSE      (player->info.dir != 2)\r
 832 \r
 833 ///////////////////////////////////////////////////////////////////////////\r
 834 //\r
 835 //      IN_ReadControl() - Reads the device associated with the specified\r
 836 //              player and fills in the control info struct\r
 837 //\r
 838 ///////////////////////////////////////////////////////////////////////////\r
 839 void\r
 840 IN_ReadControl(player_t *player, global_game_variables_t *gvar)\r
 841 {\r
 842                         boolean         realdelta;\r
 843 #if DEMO0\r
 844                         byte            dbyte;\r
 845 #endif\r
 846                         word            buttons;\r
 847                         int                     dx,dy;\r
 848                         Motion          mx,my;\r
 849                         ControlType     type;\r
 850                         sword conpee;\r
 851                         byte dir=DirTable[2];\r
 852 register        KeyboardDef     *def;\r
 853 \r
 854         dx = dy = 0;\r
 855         mx = my = motion_None;\r
 856         buttons = 0;\r
 857 \r
 858 #if DEMO0\r
 859         if (DemoMode == demo_Playback)\r
 860         {\r
 861                 dbyte = DemoBuffer[DemoOffset + 1];\r
 862                 my = (dbyte & 3) - 1;\r
 863                 mx = ((dbyte >> 2) & 3) - 1;\r
 864                 buttons = (dbyte >> 4) & 3;\r
 865 \r
 866                 if (!(--DemoBuffer[DemoOffset]))\r
 867                 {\r
 868                         DemoOffset += 2;\r
 869                         if (DemoOffset >= DemoSize)\r
 870                                 DemoMode = demo_PlayDone;\r
 871                 }\r
 872 \r
 873                 realdelta = false;\r
 874         }\r
 875         else if (DemoMode == demo_PlayDone)\r
 876                 Quit ("Demo playback exceeded");\r
 877         else\r
 878         {\r
 879 #endif\r
 880                 switch (type = player->Controls)\r
 881                 {\r
 882                 case ctrl_Keyboard1:\r
 883                 case ctrl_Keyboard2:\r
 884                         def = &(gvar->in.KbdDefs[type - ctrl_Keyboard]);\r
 885 \r
 886 /*                      if (Keyboard[def->upleft])\r
 887                                 mx = motion_Left,my = motion_Up;\r
 888                         else if (Keyboard[def->upright])\r
 889                                 mx = motion_Right,my = motion_Up;\r
 890                         else if (Keyboard[def->downleft])\r
 891                                 mx = motion_Left,my = motion_Down;\r
 892                         else if (Keyboard[def->downright])\r
 893                                 mx = motion_Right,my = motion_Down;*/\r
 894 //TODO: make this into a function that the joystick AND keyboard can use wwww\r
 895                         if(DIRECTIONIFELSE)//(player->info.dir == 2)\r
 896                         {\r
 897                         if(!inst.Keyboard[def->left] && !inst.Keyboard[def->right]){\r
 898                                 if((inst.Keyboard[def->up] && !inst.Keyboard[def->down]))\r
 899                                         my = motion_Up;\r
 900                                 if((inst.Keyboard[def->down] && !inst.Keyboard[def->up]))\r
 901                                         my = motion_Down;\r
 902                         }else if(!inst.Keyboard[def->up] && !inst.Keyboard[def->down]){\r
 903                                 if((inst.Keyboard[def->left] && !inst.Keyboard[def->right]))\r
 904                                         mx = motion_Left;\r
 905                                 if((inst.Keyboard[def->right] && !inst.Keyboard[def->left]))\r
 906                                         mx = motion_Right;\r
 907                         }else{  //2 keys pressed\r
 908                                         switch (player->pdir)\r
 909                                         {\r
 910                                                 case 0:\r
 911                                                 case 4:\r
 912                                                         if((inst.Keyboard[def->left] && !inst.Keyboard[def->right])){ dir = DirTable[1]; }//mx = motion_Left; }\r
 913                                                         else if((inst.Keyboard[def->right] && !inst.Keyboard[def->left])){ dir = DirTable[3]; }//mx = motion_Right; }\r
 914                                                 break;\r
 915                                                 case 1:\r
 916                                                 case 3:\r
 917                                                         if((inst.Keyboard[def->up] && !inst.Keyboard[def->down])){ dir = DirTable[0]; }//my = motion_Up; }\r
 918                                                         else if((inst.Keyboard[def->down] && !inst.Keyboard[def->up])){ dir = DirTable[4]; }//my = motion_Down; }\r
 919                                                 break;\r
 920                                                 default:\r
 921                                                 break;\r
 922                                         }\r
 923 #ifdef __DEBUG_InputMgr__\r
 924                                         //if(dbg_testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c        ", dirchar(player->pdir)); }\r
 925 #endif\r
 926                                 }\r
 927                         }\r
 928                         //input from player\r
 929                         if (inst.Keyboard[def->button0])\r
 930                                 buttons += 1 << 0;\r
 931                         if (inst.Keyboard[def->button1])\r
 932                                 buttons += 1 << 1;\r
 933                         realdelta = false;\r
 934                         break;\r
 935                 case ctrl_Joystick1:\r
 936                 case ctrl_Joystick2:\r
 937                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy/*,false*/, gvar);\r
 938                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 939                         realdelta = true;\r
 940                         break;\r
 941                 case ctrl_Mouse:\r
 942                         INL_GetMouseDelta(&dx,&dy);\r
 943                         buttons = INL_GetMouseButtons();\r
 944                         realdelta = true;\r
 945                         break;\r
 946                 }\r
 947 #ifdef DEMO0\r
 948         }\r
 949 #endif\r
 950 \r
 951         if (realdelta)\r
 952         {\r
 953                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 954                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 955         }\r
 956         else\r
 957         {\r
 958                 dx = mx;// * 127;\r
 959                 dy = my;// * 127;\r
 960         }\r
 961 \r
 962         player->info.x = dx;\r
 963         player->info.xaxis = mx;\r
 964         player->info.y = dy;\r
 965         player->info.yaxis = my;\r
 966         player->info.button0 = buttons & (1 << 0);\r
 967         player->info.button1 = buttons & (1 << 1);\r
 968         player->info.button2 = buttons & (1 << 2);\r
 969         player->info.button3 = buttons & (1 << 3);\r
 970 //      player->info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 971         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 972         player->info.dir = DirTable[conpee];\r
 973 \r
 974         if(DirTable[conpee]!=2) player->pdir=DirTable[conpee];\r
 975         if(player->enti.q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 976         {\r
 977                 if(dir==2) player->enti.d = player->info.dir;\r
 978                 else player->enti.d = DirTable[dir];\r
 979         }\r
 980 \r
 981 #if DEMO0\r
 982         if (DemoMode == demo_Record)\r
 983         {\r
 984                 // Pack the control info into a byte\r
 985                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 986 \r
 987                 if\r
 988                 (\r
 989                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 990                 &&      (DemoBuffer[DemoOffset] < 255)\r
 991                 )\r
 992                         (DemoBuffer[DemoOffset])++;\r
 993                 else\r
 994                 {\r
 995                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 996                                 DemoOffset += 2;\r
 997 \r
 998                         if (DemoOffset >= DemoSize)\r
 999                                 Quit ("Demo buffer overflow");\r
1000 \r
1001                         DemoBuffer[DemoOffset] = 1;\r
1002                         DemoBuffer[DemoOffset + 1] = dbyte;\r
1003                 }\r
1004         }\r
1005 #endif\r
1006 #ifdef __DEBUG_InputMgr__\r
1007 if(dbg_testcontrolnoisy > 0)\r
1008 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
1009 {\r
1010         //printf("b1=%u b2=%u b3=%u b4=%u       ", player->info.button0, player->info.button1, player->info.button2, player->info.button3);\r
1011         //printf("q=%d ", player->enti.q);\r
1012         //printf("cpee=%c ", dirchar(conpee));\r
1013         printf("pdir=%c d=%c dir=%c ", dirchar(player->pdir), dirchar(player->enti.d), dirchar(player->info.dir));\r
1014         /*if(realdelta) */printf("dx=%d dy=%d   mx=%d   my=%d", player->info.x, player->info.y, player->info.xaxis, player->info.yaxis);\r
1015         //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
1016         printf("\n");\r
1017 }\r
1018 #endif\r
1019 }\r
1020 \r
1021 ///////////////////////////////////////////////////////////////////////////\r
1022 //\r
1023 //      IN_SetControlType() - Sets the control type to be used by the specified\r
1024 //              player\r
1025 //\r
1026 ///////////////////////////////////////////////////////////////////////////\r
1027 void\r
1028 IN_SetControlType(player_t *player,ControlType type)\r
1029 {\r
1030         // DEBUG - check that requested type is present?\r
1031         player->Controls = type;\r
1032 }\r
1033 \r
1034 #if DEMO0\r
1035 ///////////////////////////////////////////////////////////////////////////\r
1036 //\r
1037 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1038 //              size passed. Returns if the buffer allocation was successful\r
1039 //\r
1040 ///////////////////////////////////////////////////////////////////////////\r
1041 boolean\r
1042 IN_StartDemoRecord(word bufsize)\r
1043 {\r
1044         if (!bufsize)\r
1045                 return(false);\r
1046 \r
1047         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1048         DemoMode = demo_Record;\r
1049         DemoSize = bufsize & ~1;\r
1050         DemoOffset = 0;\r
1051         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1052 \r
1053         return(true);\r
1054 }\r
1055 \r
1056 ///////////////////////////////////////////////////////////////////////////\r
1057 //\r
1058 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1059 //\r
1060 ///////////////////////////////////////////////////////////////////////////\r
1061 void\r
1062 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1063 {\r
1064         DemoBuffer = buffer;\r
1065         DemoMode = demo_Playback;\r
1066         DemoSize = bufsize & ~1;\r
1067         DemoOffset = 0;\r
1068 }\r
1069 \r
1070 ///////////////////////////////////////////////////////////////////////////\r
1071 //\r
1072 //      IN_StopDemo() - Turns off demo mode\r
1073 //\r
1074 ///////////////////////////////////////////////////////////////////////////\r
1075 void\r
1076 IN_StopDemo(void)\r
1077 {\r
1078         if ((DemoMode == demo_Record) && DemoOffset)\r
1079                 DemoOffset += 2;\r
1080 \r
1081         DemoMode = demo_Off;\r
1082 }\r
1083 \r
1084 ///////////////////////////////////////////////////////////////////////////\r
1085 //\r
1086 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1087 //\r
1088 ///////////////////////////////////////////////////////////////////////////\r
1089 void\r
1090 IN_FreeDemoBuffer(void)\r
1091 {\r
1092         if (DemoBuffer)\r
1093                 MM_FreePtr((memptr *)&DemoBuffer);\r
1094 }\r
1095 #endif\r
1096 \r
1097 \r
1098 ///////////////////////////////////////////////////////////////////////////\r
1099 //\r
1100 //      IN_GetScanName() - Returns a string containing the name of the\r
1101 //              specified scan code\r
1102 //\r
1103 ///////////////////////////////////////////////////////////////////////////\r
1104 byte *\r
1105 IN_GetScanName(ScanCode scan)\r
1106 {\r
1107         byte            **p;\r
1108         ScanCode        far *s;\r
1109 \r
1110         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1111                 if (*s == scan)\r
1112                         return(*p);\r
1113 \r
1114         return(ScanNames[scan]);\r
1115 }\r
1116 \r
1117 ///////////////////////////////////////////////////////////////////////////\r
1118 //\r
1119 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1120 //              returns the scan code\r
1121 //\r
1122 ///////////////////////////////////////////////////////////////////////////\r
1123 ScanCode\r
1124 IN_WaitForKey(void)\r
1125 {\r
1126         ScanCode        result;\r
1127 \r
1128         while (!(result = inst.LastScan))\r
1129                 ;\r
1130         inst.LastScan = 0;\r
1131         return(result);\r
1132 }\r
1133 \r
1134 ///////////////////////////////////////////////////////////////////////////\r
1135 //\r
1136 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1137 //              returns the ASCII value\r
1138 //\r
1139 ///////////////////////////////////////////////////////////////////////////\r
1140 char\r
1141 IN_WaitForASCII(void)\r
1142 {\r
1143         char            result;\r
1144 \r
1145         while (!(result = inst.LastASCII))\r
1146                 ;\r
1147         inst.LastASCII = '\0';\r
1148         return(result);\r
1149 }\r
1150 \r
1151 ///////////////////////////////////////////////////////////////////////////\r
1152 //\r
1153 //      IN_Ack() - waits for a button or key press.  If a button is down, upon\r
1154 // calling, it must be released for it to be recognized\r
1155 //\r
1156 ///////////////////////////////////////////////////////////////////////////\r
1157 \r
1158 boolean btnstate[8];\r
1159 \r
1160 void IN_StartAck(global_game_variables_t *gvar)\r
1161 {\r
1162         unsigned        i,buttons;\r
1163 \r
1164 //\r
1165 // get initial state of everything\r
1166 //\r
1167         IN_ClearKeysDown();\r
1168         memset (btnstate,0,sizeof(btnstate));\r
1169 \r
1170         buttons = IN_JoyButtons () << 4;\r
1171         if (gvar->in.MousePresent)\r
1172                 buttons |= IN_MouseButtons (gvar);\r
1173 \r
1174         for (i=0;i<8;i++,buttons>>=1)\r
1175                 if (buttons&1)\r
1176                         btnstate[i] = true;\r
1177 }\r
1178 \r
1179 \r
1180 boolean IN_CheckAck (global_game_variables_t *gvar)\r
1181 {\r
1182         unsigned        i,buttons;\r
1183 \r
1184 //\r
1185 // see if something has been pressed\r
1186 //\r
1187         if(!gvar->in.IN_Started)\r
1188                 getch();\r
1189         else\r
1190         {\r
1191                 if (inst.LastScan)\r
1192                         return true;\r
1193         }\r
1194 \r
1195         buttons = IN_JoyButtons () << 4;\r
1196         if (gvar->in.MousePresent)\r
1197                 buttons |= IN_MouseButtons (gvar);\r
1198 \r
1199         for (i=0;i<8;i++,buttons>>=1)\r
1200                 if ( buttons&1 )\r
1201                 {\r
1202                         if (!btnstate[i])\r
1203                                 return true;\r
1204                 }\r
1205                 else\r
1206                         btnstate[i]=false;\r
1207 \r
1208         return false;\r
1209 }\r
1210 \r
1211 \r
1212 void IN_Ack (global_game_variables_t *gvar)\r
1213 {\r
1214         IN_StartAck (gvar);\r
1215 \r
1216         while (!IN_CheckAck (gvar))\r
1217         ;\r
1218 }\r
1219 \r
1220 ///////////////////////////////////////////////////////////////////////////\r
1221 //\r
1222 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1223 //              is down\r
1224 //\r
1225 ///////////////////////////////////////////////////////////////////////////\r
1226 boolean\r
1227 IN_IsUserInput(global_game_variables_t *gvar)\r
1228 {\r
1229         boolean result;\r
1230         word    i;\r
1231 \r
1232         result = inst.LastScan;\r
1233 \r
1234         if (gvar->in.MousePresent)\r
1235                 if (INL_GetMouseButtons())\r
1236                         result = true;\r
1237 \r
1238         for (i = 0;i < MaxJoys;i++)\r
1239                 if (gvar->in.JoysPresent[i])\r
1240                         if (INL_GetJoyButtons(i))\r
1241                                 result = true;\r
1242 \r
1243         return(result);\r
1244 }\r
1245 \r
1246 ///////////////////////////////////////////////////////////////////////////\r
1247 //\r
1248 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1249 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1250 //              then either clears the key or waits for the user to let the mouse\r
1251 //              button up.\r
1252 //\r
1253 ///////////////////////////////////////////////////////////////////////////\r
1254 boolean IN_UserInput(word delay, global_game_variables_t *gvar)\r
1255 {\r
1256         word TimeCount = *clockw;\r
1257         word    lasttime;\r
1258 \r
1259         lasttime = TimeCount;\r
1260         IN_StartAck (gvar);\r
1261         do\r
1262         {\r
1263                 if (IN_CheckAck(gvar))\r
1264                         return true;\r
1265         } while (TimeCount - lasttime < delay);\r
1266         return(false);\r
1267 }\r
1268 \r
1269 //===========================================================================\r
1270 \r
1271 /*\r
1272 ===================\r
1273 =\r
1274 = IN_MouseButtons\r
1275 =\r
1276 ===================\r
1277 */\r
1278 \r
1279 byte    IN_MouseButtons (global_game_variables_t *gvar)\r
1280 {\r
1281         union REGS CPURegs;\r
1282         if (gvar->in.MousePresent)\r
1283         {\r
1284                 Mouse(MButtons);\r
1285                 return CPURegs.x.bx;\r
1286         }\r
1287         else\r
1288                 return 0;\r
1289 }\r
1290 \r
1291 \r
1292 /*\r
1293 ===================\r
1294 =\r
1295 = IN_JoyButtons\r
1296 =\r
1297 ===================\r
1298 */\r
1299 \r
1300 byte    IN_JoyButtons (void)\r
1301 {\r
1302         byte joybits;\r
1303 \r
1304         joybits = inportb(0x201);       // Get all the joystick buttons\r
1305         joybits >>= 4;                          // only the high bits are useful\r
1306         joybits ^= 15;                          // return with 1=pressed\r
1307 \r
1308         return joybits;\r
1309 }\r
1310 \r
1311 boolean IN_KeyDown(byte code)\r
1312 {\r
1313 #ifdef __DEBUG_InputMgr__\r
1314 //      if(inst.Keyboard[code])\r
1315 //              printf("IN_KeyDown(%c): %u\n", code, inst.Keyboard[code]);\r
1316         if(!dbg_nointest)\r
1317 #endif\r
1318         return inst.Keyboard[code];\r
1319 #ifdef __DEBUG_InputMgr__\r
1320         else\r
1321                 if(dbg_nointest && kbhit())\r
1322                         return 1;\r
1323                 else\r
1324                         return 0;\r
1325 #endif\r
1326 }\r
1327 \r
1328 void IN_ClearKey(byte code)\r
1329 {\r
1330         inst.Keyboard[code] = false;\r
1331         if(code == inst.LastScan)\r
1332                 inst.LastScan = sc_None;\r
1333         }\r
1334 \r
1335 boolean IN_qb(byte kee)\r
1336 {\r
1337 #ifdef __DEBUG_InputMgr__\r
1338         if(dbg_testkeyin) if(inst.Keyboard[kee]) printf("IN_qb():       %u\n", inst.Keyboard[kee]);\r
1339 #endif\r
1340         if(inst.Keyboard[kee]==true) return 1;\r
1341         else return 0;\r
1342 }\r
1343 \r
1344 ScanCode IN_GetLastScan()\r
1345 {\r
1346         return inst.LastScan;\r
1347 }\r
1348 \r
1349 ScanCode IN_GetCurCode()\r
1350 {\r
1351         return inst.CurCode;\r
1352 }\r
1353 \r
1354 void IN_KbdLED()\r
1355 {\r
1356         byte far *lock_key;\r
1357 \r
1358         // turn off num-lock via BIOS\r
1359         lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
1360         *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
1361         OldKeyVect();   // call BIOS keyhandler to change keyboard lights\r
1362 }\r