src/lib/16_in_1.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_1.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 static  byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
  92                                         {\r
  93 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
  94         0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
  95         'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
  96         'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
  97         'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
  98         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
  99         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 100         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 101         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 102                                         },\r
 103                                         far ShiftNames[] =              // Shifted ASCII for scan codes\r
 104                                         {\r
 105 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 106         0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
 107         'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
 108         'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
 109         'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 110         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 111         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 112         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 113         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 114                                         },\r
 115                                         far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
 116                                         {\r
 117 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 118         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
 119         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
 120         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
 121         0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 122         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
 123         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 124         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 125         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 126                                         },\r
 127                                         *ScanNames[] =          // Scan code names with single chars\r
 128                                         {\r
 129         "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
 130         "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
 131         "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
 132         "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
 133         "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
 134         "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 135         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 136         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
 137                                         },      // DEBUG - consolidate these\r
 138                                         far ExtScanCodes[] =    // Scan codes with >1 char names\r
 139                                         {\r
 140         1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
 141         0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
 142         0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
 143         0x50,0x4b,0x4d,0x00\r
 144                                         },\r
 145                                         *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
 146                                         {\r
 147         "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
 148         "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
 149         "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
 150         "Down","Left","Right",""\r
 151                                         };\r
 152 \r
 153 static  Direction       DirTable[] =            // Quick lookup for total direction\r
 154                                         {\r
 155                                                 /*dir_NorthWest,        */dir_North,/*  dir_NorthEast,*/\r
 156                                                 dir_West,               dir_None,       dir_East,\r
 157                                                 /*dir_SouthWest,        */dir_South/*,  dir_SouthEast*/\r
 158                                         };\r
 159 #ifdef __cplusplus\r
 160 }\r
 161 #endif\r
 162 \r
 163 static  void                    (*INL_KeyHook)(void);\r
 164 static  void interrupt  (*OldKeyVect)(void);\r
 165 static  char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
 166 \r
 167 //      Internal routines\r
 168 \r
 169 ///////////////////////////////////////////////////////////////////////////\r
 170 //\r
 171 //      INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
 172 //\r
 173 ///////////////////////////////////////////////////////////////////////////\r
 174 /*static */void interrupt\r
 175 INL_KeyService(void)\r
 176 {\r
 177 static  boolean special;\r
 178                 byte    k,c,\r
 179                                 temp;\r
 180 \r
 181         k = inportb(0x60);      // Get the scan code\r
 182 \r
 183         // Tell the XT keyboard controller to clear the key\r
 184         outportb(0x61,(temp = inportb(0x61)) | 0x80);\r
 185         outportb(0x61,temp);\r
 186 \r
 187         if (k == 0xe0)          // Special key prefix\r
 188                 special = true;\r
 189         else if (k == 0xe1)     // Handle Pause key\r
 190                 inst.Paused = true;\r
 191         else\r
 192         {\r
 193                 if (k & 0x80)   // Break code\r
 194                 {\r
 195                         k &= 0x7f;\r
 196 \r
 197 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 198 \r
 199                         inst.Keyboard[k] = false;\r
 200                 }\r
 201                 else                    // Make code\r
 202                 {\r
 203                         inst.LastCode = inst.CurCode;\r
 204                         inst.CurCode = inst.LastScan = k;\r
 205                         inst.Keyboard[k] = true;\r
 206 \r
 207                         if (special)\r
 208                                 c = SpecialNames[k];\r
 209                         else\r
 210                         {\r
 211                                 if (k == sc_CapsLock)\r
 212                                 {\r
 213                                         inst.CapsLock ^= true;\r
 214                                         // DEBUG - make caps lock light work\r
 215                                 }\r
 216 \r
 217                                 if (inst.Keyboard[sc_LShift] || inst.Keyboard[sc_RShift])       // If shifted\r
 218                                 {\r
 219                                         c = ShiftNames[k];\r
 220                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 221                                                 c += 'a' - 'A';\r
 222                                 }\r
 223                                 else\r
 224                                 {\r
 225                                         c = ASCIINames[k];\r
 226                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 227                                                 c -= 'a' - 'A';\r
 228                                 }\r
 229                         }\r
 230                         if (c)\r
 231                                 inst.LastASCII = c;\r
 232                 }\r
 233 \r
 234                 special = false;\r
 235         }\r
 236 \r
 237         if (INL_KeyHook && !special)\r
 238                 INL_KeyHook();\r
 239 #ifdef __DEBUG_InputMgr__\r
 240         if(dbg_testkeyin > 0) printf("%c        %u      [0x%x %u]       %u\n", c, c, k, k, inst.Keyboard[k]);\r
 241 #endif\r
 242         outportb(0x20,0x20);\r
 243 }\r
 244 \r
 245 void INL_Mouse(int x)\r
 246 {\r
 247         //union REGS CPURegs;\r
 248         //x = CPURegs.x.ax;\r
 249         __asm {\r
 250                 mov     ax,x\r
 251                 int     MouseInt\r
 252         }\r
 253         //int86(MouseInt,&CPURegs,&CPURegs);\r
 254 }\r
 255 \r
 256 ///////////////////////////////////////////////////////////////////////////\r
 257 //\r
 258 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 259 //              mouse driver\r
 260 //\r
 261 ///////////////////////////////////////////////////////////////////////////\r
 262 static void\r
 263 INL_GetMouseDelta(int *x,int *y)\r
 264 {\r
 265         union REGS CPURegs;\r
 266         Mouse(MDelta);\r
 267         *x = CPURegs.x.cx;\r
 268         *y = CPURegs.x.dx;\r
 269 }\r
 270 \r
 271 ///////////////////////////////////////////////////////////////////////////\r
 272 //\r
 273 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 274 //              mouse driver\r
 275 //\r
 276 ///////////////////////////////////////////////////////////////////////////\r
 277 static word\r
 278 INL_GetMouseButtons(void)\r
 279 {\r
 280         union REGS CPURegs;\r
 281         word    buttons;\r
 282 \r
 283         Mouse(MButtons);\r
 284         buttons = CPURegs.x.bx;\r
 285         return(buttons);\r
 286 }\r
 287 \r
 288 ///////////////////////////////////////////////////////////////////////////\r
 289 //\r
 290 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 291 //\r
 292 ///////////////////////////////////////////////////////////////////////////\r
 293 void\r
 294 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 295 {\r
 296         byte    xb,yb,\r
 297                         xs,ys;\r
 298         word    x,y;\r
 299 \r
 300         x = y = 0;\r
 301         xs = joy? 2 : 0;                // Find shift value for x axis\r
 302         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 303         ys = joy? 3 : 1;                // Do the same for y axis\r
 304         yb = 1 << ys;\r
 305 \r
 306 // Read the absolute joystick values\r
 307         __asm {\r
 308                 pushf                           // Save some registers\r
 309                 push    si\r
 310                 push    di\r
 311                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 312 \r
 313 \r
 314                 mov             dx,0x201\r
 315                 in              al,dx\r
 316                 out             dx,al           // Clear the resistors\r
 317 \r
 318                 mov             ah,[xb]         // Get masks into registers\r
 319                 mov             ch,[yb]\r
 320 \r
 321                 xor             si,si           // Clear count registers\r
 322                 xor             di,di\r
 323                 xor             bh,bh           // Clear high byte of bx for later\r
 324 \r
 325                 push    bp                      // Don't mess up stack frame\r
 326                 mov             bp,MaxJoyValue\r
 327 #ifdef __BORLANDC__\r
 328         }\r
 329 #endif\r
 330 loo:\r
 331 #ifdef __BORLANDC__\r
 332         __asm {\r
 333 #endif\r
 334                 in              al,dx           // Get bits indicating whether all are finished\r
 335 \r
 336                 dec             bp                      // Check bounding register\r
 337                 jz              done            // We have a silly value - abort\r
 338 \r
 339                 mov             bl,al           // Duplicate the bits\r
 340                 and             bl,ah           // Mask off useless bits (in [xb])\r
 341                 add             si,bx           // Possibly increment count register\r
 342                 mov             cl,bl           // Save for testing later\r
 343 \r
 344                 mov             bl,al\r
 345                 and             bl,ch           // [yb]\r
 346                 add             di,bx\r
 347 \r
 348                 add             cl,bl\r
 349                 jnz             loo             // If both bits were 0, drop out\r
 350 #ifdef __BORLANDC__\r
 351         }\r
 352 #endif\r
 353 done:\r
 354 #ifdef __BORLANDC__\r
 355         __asm {\r
 356 #endif\r
 357                 pop             bp\r
 358 \r
 359                 mov             cl,[xs]         // Get the number of bits to shift\r
 360                 shr             si,cl           //  and shift the count that many times\r
 361 \r
 362                 mov             cl,[ys]\r
 363                 shr             di,cl\r
 364 \r
 365                 mov             [x],si          // Store the values into the variables\r
 366                 mov             [y],di\r
 367 \r
 368                 pop             di\r
 369                 pop             si\r
 370                 popf                            // Restore the registers\r
 371         }\r
 372 \r
 373         *xp = x;\r
 374         *yp = y;\r
 375 }\r
 376 \r
 377 ///////////////////////////////////////////////////////////////////////////\r
 378 //\r
 379 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 380 //              joystick (from +/-127)\r
 381 //\r
 382 ///////////////////////////////////////////////////////////////////////////\r
 383 void INL_GetJoyDelta(word joy,int *dx,int *dy/*,boolean adaptive*/, global_game_variables_t *gvar)\r
 384 {\r
 385         word            x,y;\r
 386         word TimeCount = *clockw;\r
 387         JoystickDef     *def;\r
 388 static  word    lasttime;\r
 389 \r
 390         IN_GetJoyAbs(joy,&x,&y);\r
 391         def = gvar->in.JoyDefs + joy;\r
 392 \r
 393         if (x < def->threshMinX)\r
 394         {\r
 395                 if (x < def->joyMinX)\r
 396                         x = def->joyMinX;\r
 397 \r
 398                 x = -(x - def->threshMinX);\r
 399                 x *= def->joyMultXL;\r
 400                 x >>= JoyScaleShift;\r
 401                 *dx = (x > 127)? -127 : -x;\r
 402         }\r
 403         else if (x > def->threshMaxX)\r
 404         {\r
 405                 if (x > def->joyMaxX)\r
 406                         x = def->joyMaxX;\r
 407 \r
 408                 x = x - def->threshMaxX;\r
 409                 x *= def->joyMultXH;\r
 410                 x >>= JoyScaleShift;\r
 411                 *dx = (x > 127)? 127 : x;\r
 412         }\r
 413         else\r
 414                 *dx = 0;\r
 415 \r
 416         if (y < def->threshMinY)\r
 417         {\r
 418                 if (y < def->joyMinY)\r
 419                         y = def->joyMinY;\r
 420 \r
 421                 y = -(y - def->threshMinY);\r
 422                 y *= def->joyMultYL;\r
 423                 y >>= JoyScaleShift;\r
 424                 *dy = (y > 127)? -127 : -y;\r
 425         }\r
 426         else if (y > def->threshMaxY)\r
 427         {\r
 428                 if (y > def->joyMaxY)\r
 429                         y = def->joyMaxY;\r
 430 \r
 431                 y = y - def->threshMaxY;\r
 432                 y *= def->joyMultYH;\r
 433                 y >>= JoyScaleShift;\r
 434                 *dy = (y > 127)? 127 : y;\r
 435         }\r
 436         else\r
 437                 *dy = 0;\r
 438 //      if (adaptive)\r
 439 //      {\r
 440 //              time = (TimeCount - lasttime) / 2;\r
 441 //              if (time)\r
 442 //              {\r
 443 //                      if (time > 8)\r
 444 //                              time = 8;\r
 445 //                      *dx *= time;\r
 446 //                      *dy *= time;\r
 447 //              }\r
 448 //      }\r
 449         lasttime = TimeCount;\r
 450 }\r
 451 \r
 452 ///////////////////////////////////////////////////////////////////////////\r
 453 //\r
 454 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 455 //              joystick\r
 456 //\r
 457 ///////////////////////////////////////////////////////////////////////////\r
 458 static word\r
 459 INL_GetJoyButtons(word joy)\r
 460 {\r
 461 register        word    result;\r
 462 \r
 463         result = inportb(0x201);        // Get all the joystick buttons\r
 464         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 465         result &= 3;                            // Mask off the useless bits\r
 466         result ^= 3;\r
 467         return(result);\r
 468 }\r
 469 \r
 470 ///////////////////////////////////////////////////////////////////////////\r
 471 //\r
 472 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 473 //              specified joystick\r
 474 //\r
 475 ///////////////////////////////////////////////////////////////////////////\r
 476 word\r
 477 IN_GetJoyButtonsDB(word joy)\r
 478 {\r
 479         word TimeCount = *clockw;\r
 480         word    lasttime;\r
 481         word            result1,result2;\r
 482 \r
 483         do\r
 484         {\r
 485                 result1 = INL_GetJoyButtons(joy);\r
 486                 lasttime = TimeCount;\r
 487                 while(TimeCount == lasttime)\r
 488                         //;\r
 489                 result2 = INL_GetJoyButtons(joy);\r
 490         } while(result1 != result2);\r
 491         return(result1);\r
 492 }\r
 493 \r
 494 ///////////////////////////////////////////////////////////////////////////\r
 495 //\r
 496 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 497 //\r
 498 ///////////////////////////////////////////////////////////////////////////\r
 499 static void\r
 500 INL_StartKbd(global_game_variables_t *gvar)\r
 501 {\r
 502         INL_KeyHook = NULL;     // Clear key hook\r
 503 \r
 504         IN_ClearKeysDown();\r
 505 \r
 506         OldKeyVect = getvect(KeyInt);//IN_KbdLED();\r
 507         setvect(KeyInt,INL_KeyService);\r
 508 }\r
 509 \r
 510 ///////////////////////////////////////////////////////////////////////////\r
 511 //\r
 512 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 513 //\r
 514 ///////////////////////////////////////////////////////////////////////////\r
 515 static void\r
 516 INL_ShutKbd(void)\r
 517 {\r
 518         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 519 \r
 520         setvect(KeyInt,OldKeyVect);\r
 521 }\r
 522 \r
 523 ///////////////////////////////////////////////////////////////////////////\r
 524 //\r
 525 //      INL_StartMouse() - Detects and sets up the mouse\r
 526 //\r
 527 ///////////////////////////////////////////////////////////////////////////\r
 528 static boolean\r
 529 INL_StartMouse(void)\r
 530 {\r
 531 #if 0\r
 532         if (getvect(MouseInt))\r
 533         {\r
 534                 Mouse(MReset);\r
 535                 if (_AX == 0xffff)\r
 536                         return(true);\r
 537         }\r
 538         return(false);\r
 539 #endif\r
 540         byte far *vector;\r
 541 \r
 542 \r
 543         if ((vector=MK_FP(peek(0,0x33*4+2),peek(0,0x33*4)))==NULL)\r
 544         return false;\r
 545 \r
 546         if (*vector == 207)\r
 547                 return false;\r
 548 \r
 549         Mouse(MReset);\r
 550         return true;\r
 551 }\r
 552 \r
 553 ///////////////////////////////////////////////////////////////////////////\r
 554 //\r
 555 //      INL_ShutMouse() - Cleans up after the mouse\r
 556 //\r
 557 ///////////////////////////////////////////////////////////////////////////\r
 558 static void\r
 559 INL_ShutMouse(void)\r
 560 {\r
 561 }\r
 562 \r
 563 //\r
 564 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 565 //\r
 566 static void\r
 567 INL_SetJoyScale(word joy, global_game_variables_t *gvar)\r
 568 {\r
 569         JoystickDef     *def;\r
 570 \r
 571         def = &(gvar->in.JoyDefs[joy]);\r
 572         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 573         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 574         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 575         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 576 }\r
 577 \r
 578 ///////////////////////////////////////////////////////////////////////////\r
 579 //\r
 580 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 581 //              to set up scaling values\r
 582 //\r
 583 ///////////////////////////////////////////////////////////////////////////\r
 584 void\r
 585 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy, global_game_variables_t *gvar)\r
 586 {\r
 587         word            d,r;\r
 588         JoystickDef     *def;\r
 589 \r
 590         def = &(gvar->in.JoyDefs[joy]);\r
 591 \r
 592         def->joyMinX = minx;\r
 593         def->joyMaxX = maxx;\r
 594         r = maxx - minx;\r
 595         d = r / 3;\r
 596         def->threshMinX = ((r / 2) - d) + minx;\r
 597         def->threshMaxX = ((r / 2) + d) + minx;\r
 598 \r
 599         def->joyMinY = miny;\r
 600         def->joyMaxY = maxy;\r
 601         r = maxy - miny;\r
 602         d = r / 3;\r
 603         def->threshMinY = ((r / 2) - d) + miny;\r
 604         def->threshMaxY = ((r / 2) + d) + miny;\r
 605 \r
 606         INL_SetJoyScale(joy, gvar);\r
 607 }\r
 608 \r
 609 ///////////////////////////////////////////////////////////////////////////\r
 610 //\r
 611 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 612 //                                      The auto-config assumes the joystick is centered\r
 613 //\r
 614 ///////////////////////////////////////////////////////////////////////////\r
 615 static boolean\r
 616 INL_StartJoy(word joy, global_game_variables_t *gvar)\r
 617 {\r
 618         word            x,y;\r
 619 \r
 620         IN_GetJoyAbs(joy,&x,&y);\r
 621 \r
 622         if\r
 623         (\r
 624                 ((x == 0) || (x > MaxJoyValue - 10))\r
 625         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 626         )\r
 627                 return(false);\r
 628         else\r
 629         {\r
 630                 IN_SetupJoy(joy,0,x * 2,0,y * 2, gvar);\r
 631                 return(true);\r
 632         }\r
 633 }\r
 634 \r
 635 ///////////////////////////////////////////////////////////////////////////\r
 636 //\r
 637 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 638 //\r
 639 ///////////////////////////////////////////////////////////////////////////\r
 640 static void\r
 641 INL_ShutJoy(word joy, global_game_variables_t *gvar)\r
 642 {\r
 643         gvar->in.JoysPresent[joy] = false;\r
 644 }\r
 645 \r
 646 //      Public routines\r
 647 \r
 648 ///////////////////////////////////////////////////////////////////////////\r
 649 //\r
 650 //      IN_Startup() - Starts up the Input Mgr\r
 651 //\r
 652 ///////////////////////////////////////////////////////////////////////////\r
 653 void\r
 654 IN_Startup(global_game_variables_t *gvar)\r
 655 {\r
 656         boolean checkjoys,checkmouse;\r
 657         word    i;\r
 658 \r
 659         if (gvar->in.IN_Started)\r
 660                 return;\r
 661 \r
 662         checkjoys = true;\r
 663         checkmouse = true;\r
 664         for (i = 1;i < _argc;i++)\r
 665         {\r
 666                 switch (US_CheckParm(_argv[i],ParmStringsIN))\r
 667                 {\r
 668                 case 0:\r
 669                         checkjoys = false;\r
 670                         break;\r
 671                 case 1:\r
 672                         checkmouse = false;\r
 673                         break;\r
 674                 }\r
 675         }\r
 676 \r
 677         INL_StartKbd(gvar);\r
 678         gvar->in.MousePresent = checkmouse? INL_StartMouse() : false;\r
 679 \r
 680         for (i = 0;i < MaxJoys;i++)\r
 681                 gvar->in.JoysPresent[i] = checkjoys? INL_StartJoy(i, gvar) : false;\r
 682 \r
 683         gvar->in.inst = &inst;\r
 684 \r
 685         gvar->in.IN_Started = true;\r
 686 \r
 687 }\r
 688 \r
 689 ///////////////////////////////////////////////////////////////////////////\r
 690 //\r
 691 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 692 //\r
 693 ///////////////////////////////////////////////////////////////////////////\r
 694 void\r
 695 IN_Default(boolean gotit,player_t *player,ControlType nt, global_game_variables_t *gvar)\r
 696 {\r
 697         int i;\r
 698         if\r
 699         (\r
 700                 (!gotit)\r
 701         ||      ((nt == ctrl_Joystick1) && !gvar->in.JoysPresent[0])\r
 702         ||      ((nt == ctrl_Joystick2) && !gvar->in.JoysPresent[1])\r
 703         ||      ((nt == ctrl_Mouse) && !gvar->in.MousePresent)\r
 704         )\r
 705                 nt = ctrl_Keyboard1;\r
 706         gvar->in.KbdDefs[0].button0 = 0x1c;\r
 707         gvar->in.KbdDefs[0].button1 = 0x38;\r
 708         //in.KbdDefs[0].upleft = 0x47;\r
 709         gvar->in.KbdDefs[0].up = 0x48;\r
 710         //in.KbdDefs[0].upright = 0x49;\r
 711         gvar->in.KbdDefs[0].left = 0x4b;\r
 712         gvar->in.KbdDefs[0].right = 0x4d;\r
 713         //in.KbdDefs[0].downleft = 0x4f;\r
 714         gvar->in.KbdDefs[0].down = 0x50;\r
 715         //in.KbdDefs[0].downright = 0x51;\r
 716         IN_SetControlType(player,nt);\r
 717         for(i=0; i>MaxPlayers;i++)\r
 718                 player[i].enti.d =2;\r
 719 }\r
 720 \r
 721 ///////////////////////////////////////////////////////////////////////////\r
 722 //\r
 723 //      IN_Shutdown() - Shuts down the Input Mgr\r
 724 //\r
 725 ///////////////////////////////////////////////////////////////////////////\r
 726 void\r
 727 IN_Shutdown(global_game_variables_t *gvar)\r
 728 {\r
 729         word    i;\r
 730 \r
 731         if (!gvar->in.IN_Started)\r
 732                 return;\r
 733 \r
 734         INL_ShutMouse();\r
 735         for (i = 0;i < MaxJoys;i++)\r
 736                 INL_ShutJoy(i, gvar);\r
 737         INL_ShutKbd();\r
 738 \r
 739         gvar->in.IN_Started = false;\r
 740 }\r
 741 \r
 742 ///////////////////////////////////////////////////////////////////////////\r
 743 //\r
 744 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 745 //                      everytime a real make/break code gets hit\r
 746 //\r
 747 ///////////////////////////////////////////////////////////////////////////\r
 748 void\r
 749 IN_SetKeyHook(void (*hook)())\r
 750 {\r
 751         INL_KeyHook = hook;\r
 752 }\r
 753 \r
 754 ///////////////////////////////////////////////////////////////////////////\r
 755 //\r
 756 //      IN_ClearKeysDown() - Clears the keyboard array\r
 757 //\r
 758 ///////////////////////////////////////////////////////////////////////////\r
 759 void\r
 760 IN_ClearKeysDown(void)\r
 761 {\r
 762         //int   i;\r
 763 \r
 764         inst.LastScan = sc_None;\r
 765         inst.LastASCII = key_None;\r
 766         memset (inst.Keyboard,0,sizeof(inst.Keyboard));\r
 767 }\r
 768 \r
 769 ///////////////////////////////////////////////////////////////////////////\r
 770 //\r
 771 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 772 //\r
 773 ///////////////////////////////////////////////////////////////////////////\r
 774 static void\r
 775 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 776 {\r
 777         if (buttons & (1 << 0))\r
 778                 info->button0 = true;\r
 779         if (buttons & (1 << 1))\r
 780                 info->button1 = true;\r
 781 \r
 782         info->x += dx;\r
 783         info->y += dy;\r
 784 }\r
 785 \r
 786 ///////////////////////////////////////////////////////////////////////////\r
 787 //\r
 788 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 789 //              struct\r
 790 //\r
 791 ///////////////////////////////////////////////////////////////////////////\r
 792 void\r
 793 IN_ReadCursor(CursorInfo *info, global_game_variables_t *gvar)\r
 794 {\r
 795         word    i,\r
 796                         buttons;\r
 797         int             dx,dy;\r
 798 \r
 799         info->x = info->y = 0;\r
 800         info->button0 = info->button1 = false;\r
 801 \r
 802         if (gvar->in.MousePresent)\r
 803         {\r
 804                 buttons = INL_GetMouseButtons();\r
 805                 INL_GetMouseDelta(&dx,&dy);\r
 806                 INL_AdjustCursor(info,buttons,dx,dy);\r
 807         }\r
 808 \r
 809         for (i = 0;i < MaxJoys;i++)\r
 810         {\r
 811                 if (!gvar->in.JoysPresent[i])\r
 812                         continue;\r
 813 \r
 814                 buttons = INL_GetJoyButtons(i);\r
 815                 INL_GetJoyDelta(i,&dx,&dy/*,true*/, gvar);\r
 816                 dx /= 64;\r
 817                 dy /= 64;\r
 818                 INL_AdjustCursor(info,buttons,dx,dy);\r
 819         }\r
 820 }\r
 821 \r
 822 //if else for gfxtesting and direction\r
 823 #define DIRECTIONIFELSE (player->info.dir == 2)\r
 824 //#define NDIRECTIONIFELSE      (player->info.dir != 2)\r
 825 \r
 826 ///////////////////////////////////////////////////////////////////////////\r
 827 //\r
 828 //      IN_ReadControl() - Reads the device associated with the specified\r
 829 //              player and fills in the control info struct\r
 830 //\r
 831 ///////////////////////////////////////////////////////////////////////////\r
 832 void\r
 833 IN_ReadControl(player_t *player, global_game_variables_t *gvar)\r
 834 {\r
 835                         boolean         realdelta;\r
 836 #if DEMO0\r
 837                         byte            dbyte;\r
 838 #endif\r
 839                         word            buttons;\r
 840                         int                     dx,dy;\r
 841                         Motion          mx,my;\r
 842                         ControlType     type;\r
 843                         sword conpee;\r
 844                         byte dir=DirTable[2];\r
 845 register        KeyboardDef     *def;\r
 846 \r
 847         dx = dy = 0;\r
 848         mx = my = motion_None;\r
 849         buttons = 0;\r
 850 \r
 851 #if DEMO0\r
 852         if (DemoMode == demo_Playback)\r
 853         {\r
 854                 dbyte = DemoBuffer[DemoOffset + 1];\r
 855                 my = (dbyte & 3) - 1;\r
 856                 mx = ((dbyte >> 2) & 3) - 1;\r
 857                 buttons = (dbyte >> 4) & 3;\r
 858 \r
 859                 if (!(--DemoBuffer[DemoOffset]))\r
 860                 {\r
 861                         DemoOffset += 2;\r
 862                         if (DemoOffset >= DemoSize)\r
 863                                 DemoMode = demo_PlayDone;\r
 864                 }\r
 865 \r
 866                 realdelta = false;\r
 867         }\r
 868         else if (DemoMode == demo_PlayDone)\r
 869                 Quit ("Demo playback exceeded");\r
 870         else\r
 871         {\r
 872 #endif\r
 873                 switch (type = player->Controls)\r
 874                 {\r
 875                 case ctrl_Keyboard1:\r
 876                 case ctrl_Keyboard2:\r
 877                         def = &(gvar->in.KbdDefs[type - ctrl_Keyboard]);\r
 878 \r
 879 /*                      if (Keyboard[def->upleft])\r
 880                                 mx = motion_Left,my = motion_Up;\r
 881                         else if (Keyboard[def->upright])\r
 882                                 mx = motion_Right,my = motion_Up;\r
 883                         else if (Keyboard[def->downleft])\r
 884                                 mx = motion_Left,my = motion_Down;\r
 885                         else if (Keyboard[def->downright])\r
 886                                 mx = motion_Right,my = motion_Down;*/\r
 887 //TODO: make this into a function that the joystick AND keyboard can use wwww\r
 888                         if(DIRECTIONIFELSE)//(player->info.dir == 2)\r
 889                         {\r
 890                         if(!inst.Keyboard[def->left] && !inst.Keyboard[def->right]){\r
 891                                 if((inst.Keyboard[def->up] && !inst.Keyboard[def->down]))\r
 892                                         my = motion_Up;\r
 893                                 if((inst.Keyboard[def->down] && !inst.Keyboard[def->up]))\r
 894                                         my = motion_Down;\r
 895                         }else if(!inst.Keyboard[def->up] && !inst.Keyboard[def->down]){\r
 896                                 if((inst.Keyboard[def->left] && !inst.Keyboard[def->right]))\r
 897                                         mx = motion_Left;\r
 898                                 if((inst.Keyboard[def->right] && !inst.Keyboard[def->left]))\r
 899                                         mx = motion_Right;\r
 900                         }else{  //2 keys pressed\r
 901                                         switch (player->pdir)\r
 902                                         {\r
 903                                                 case 0:\r
 904                                                 case 4:\r
 905                                                         if((inst.Keyboard[def->left] && !inst.Keyboard[def->right])){ dir = DirTable[1]; }//mx = motion_Left; }\r
 906                                                         else if((inst.Keyboard[def->right] && !inst.Keyboard[def->left])){ dir = DirTable[3]; }//mx = motion_Right; }\r
 907                                                 break;\r
 908                                                 case 1:\r
 909                                                 case 3:\r
 910                                                         if((inst.Keyboard[def->up] && !inst.Keyboard[def->down])){ dir = DirTable[0]; }//my = motion_Up; }\r
 911                                                         else if((inst.Keyboard[def->down] && !inst.Keyboard[def->up])){ dir = DirTable[4]; }//my = motion_Down; }\r
 912                                                 break;\r
 913                                                 default:\r
 914                                                 break;\r
 915                                         }\r
 916 #ifdef __DEBUG_InputMgr__\r
 917                                         //if(dbg_testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c        ", dirchar(player->pdir)); }\r
 918 #endif\r
 919                                 }\r
 920                         }\r
 921                         //input from player\r
 922                         if (inst.Keyboard[def->button0])\r
 923                                 buttons += 1 << 0;\r
 924                         if (inst.Keyboard[def->button1])\r
 925                                 buttons += 1 << 1;\r
 926                         realdelta = false;\r
 927                         break;\r
 928                 case ctrl_Joystick1:\r
 929                 case ctrl_Joystick2:\r
 930                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy/*,false*/, gvar);\r
 931                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 932                         realdelta = true;\r
 933                         break;\r
 934                 case ctrl_Mouse:\r
 935                         INL_GetMouseDelta(&dx,&dy);\r
 936                         buttons = INL_GetMouseButtons();\r
 937                         realdelta = true;\r
 938                         break;\r
 939                 }\r
 940 #ifdef DEMO0\r
 941         }\r
 942 #endif\r
 943 \r
 944         if (realdelta)\r
 945         {\r
 946                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 947                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 948         }\r
 949         else\r
 950         {\r
 951                 dx = mx;// * 127;\r
 952                 dy = my;// * 127;\r
 953         }\r
 954 \r
 955         player->info.x = dx;\r
 956         player->info.xaxis = mx;\r
 957         player->info.y = dy;\r
 958         player->info.yaxis = my;\r
 959         player->info.button0 = buttons & (1 << 0);\r
 960         player->info.button1 = buttons & (1 << 1);\r
 961         player->info.button2 = buttons & (1 << 2);\r
 962         player->info.button3 = buttons & (1 << 3);\r
 963 //      player->info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 964         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 965         player->info.dir = DirTable[conpee];\r
 966 \r
 967         if(DirTable[conpee]!=2) player->pdir=DirTable[conpee];\r
 968         if(player->enti.q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 969         {\r
 970                 if(dir==2) player->enti.d = player->info.dir;\r
 971                 else player->enti.d = DirTable[dir];\r
 972         }\r
 973 \r
 974 #if DEMO0\r
 975         if (DemoMode == demo_Record)\r
 976         {\r
 977                 // Pack the control info into a byte\r
 978                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 979 \r
 980                 if\r
 981                 (\r
 982                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 983                 &&      (DemoBuffer[DemoOffset] < 255)\r
 984                 )\r
 985                         (DemoBuffer[DemoOffset])++;\r
 986                 else\r
 987                 {\r
 988                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 989                                 DemoOffset += 2;\r
 990 \r
 991                         if (DemoOffset >= DemoSize)\r
 992                                 Quit ("Demo buffer overflow");\r
 993 \r
 994                         DemoBuffer[DemoOffset] = 1;\r
 995                         DemoBuffer[DemoOffset + 1] = dbyte;\r
 996                 }\r
 997         }\r
 998 #endif\r
 999 #ifdef __DEBUG_InputMgr__\r
1000 if(dbg_testcontrolnoisy > 0)\r
1001 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
1002 {\r
1003         //printf("b1=%u b2=%u b3=%u b4=%u       ", player->info.button0, player->info.button1, player->info.button2, player->info.button3);\r
1004         //printf("q=%d ", player->enti.q);\r
1005         //printf("cpee=%c ", dirchar(conpee));\r
1006         printf("pdir=%c d=%c dir=%c ", dirchar(player->pdir), dirchar(player->enti.d), dirchar(player->info.dir));\r
1007         /*if(realdelta) */printf("dx=%d dy=%d   mx=%d   my=%d", player->info.x, player->info.y, player->info.xaxis, player->info.yaxis);\r
1008         //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
1009         printf("\n");\r
1010 }\r
1011 #endif\r
1012 }\r
1013 \r
1014 ///////////////////////////////////////////////////////////////////////////\r
1015 //\r
1016 //      IN_SetControlType() - Sets the control type to be used by the specified\r
1017 //              player\r
1018 //\r
1019 ///////////////////////////////////////////////////////////////////////////\r
1020 void\r
1021 IN_SetControlType(player_t *player,ControlType type)\r
1022 {\r
1023         // DEBUG - check that requested type is present?\r
1024         player->Controls = type;\r
1025 }\r
1026 \r
1027 #if DEMO0\r
1028 ///////////////////////////////////////////////////////////////////////////\r
1029 //\r
1030 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1031 //              size passed. Returns if the buffer allocation was successful\r
1032 //\r
1033 ///////////////////////////////////////////////////////////////////////////\r
1034 boolean\r
1035 IN_StartDemoRecord(word bufsize)\r
1036 {\r
1037         if (!bufsize)\r
1038                 return(false);\r
1039 \r
1040         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1041         DemoMode = demo_Record;\r
1042         DemoSize = bufsize & ~1;\r
1043         DemoOffset = 0;\r
1044         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1045 \r
1046         return(true);\r
1047 }\r
1048 \r
1049 ///////////////////////////////////////////////////////////////////////////\r
1050 //\r
1051 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1052 //\r
1053 ///////////////////////////////////////////////////////////////////////////\r
1054 void\r
1055 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1056 {\r
1057         DemoBuffer = buffer;\r
1058         DemoMode = demo_Playback;\r
1059         DemoSize = bufsize & ~1;\r
1060         DemoOffset = 0;\r
1061 }\r
1062 \r
1063 ///////////////////////////////////////////////////////////////////////////\r
1064 //\r
1065 //      IN_StopDemo() - Turns off demo mode\r
1066 //\r
1067 ///////////////////////////////////////////////////////////////////////////\r
1068 void\r
1069 IN_StopDemo(void)\r
1070 {\r
1071         if ((DemoMode == demo_Record) && DemoOffset)\r
1072                 DemoOffset += 2;\r
1073 \r
1074         DemoMode = demo_Off;\r
1075 }\r
1076 \r
1077 ///////////////////////////////////////////////////////////////////////////\r
1078 //\r
1079 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1080 //\r
1081 ///////////////////////////////////////////////////////////////////////////\r
1082 void\r
1083 IN_FreeDemoBuffer(void)\r
1084 {\r
1085         if (DemoBuffer)\r
1086                 MM_FreePtr((memptr *)&DemoBuffer);\r
1087 }\r
1088 #endif\r
1089 \r
1090 \r
1091 ///////////////////////////////////////////////////////////////////////////\r
1092 //\r
1093 //      IN_GetScanName() - Returns a string containing the name of the\r
1094 //              specified scan code\r
1095 //\r
1096 ///////////////////////////////////////////////////////////////////////////\r
1097 byte *\r
1098 IN_GetScanName(ScanCode scan)\r
1099 {\r
1100         byte            **p;\r
1101         ScanCode        far *s;\r
1102 \r
1103         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1104                 if (*s == scan)\r
1105                         return(*p);\r
1106 \r
1107         return(ScanNames[scan]);\r
1108 }\r
1109 \r
1110 ///////////////////////////////////////////////////////////////////////////\r
1111 //\r
1112 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1113 //              returns the scan code\r
1114 //\r
1115 ///////////////////////////////////////////////////////////////////////////\r
1116 ScanCode\r
1117 IN_WaitForKey(void)\r
1118 {\r
1119         ScanCode        result;\r
1120 \r
1121         while (!(result = inst.LastScan))\r
1122                 ;\r
1123         inst.LastScan = 0;\r
1124         return(result);\r
1125 }\r
1126 \r
1127 ///////////////////////////////////////////////////////////////////////////\r
1128 //\r
1129 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1130 //              returns the ASCII value\r
1131 //\r
1132 ///////////////////////////////////////////////////////////////////////////\r
1133 char\r
1134 IN_WaitForASCII(void)\r
1135 {\r
1136         char            result;\r
1137 \r
1138         while (!(result = inst.LastASCII))\r
1139                 ;\r
1140         inst.LastASCII = '\0';\r
1141         return(result);\r
1142 }\r
1143 \r
1144 ///////////////////////////////////////////////////////////////////////////\r
1145 //\r
1146 //      IN_Ack() - waits for a button or key press.  If a button is down, upon\r
1147 // calling, it must be released for it to be recognized\r
1148 //\r
1149 ///////////////////////////////////////////////////////////////////////////\r
1150 \r
1151 boolean btnstate[8];\r
1152 \r
1153 void IN_StartAck(global_game_variables_t *gvar)\r
1154 {\r
1155         unsigned        i,buttons;\r
1156 \r
1157 //\r
1158 // get initial state of everything\r
1159 //\r
1160         IN_ClearKeysDown();\r
1161         memset (btnstate,0,sizeof(btnstate));\r
1162 \r
1163         buttons = IN_JoyButtons () << 4;\r
1164         if (gvar->in.MousePresent)\r
1165                 buttons |= IN_MouseButtons (gvar);\r
1166 \r
1167         for (i=0;i<8;i++,buttons>>=1)\r
1168                 if (buttons&1)\r
1169                         btnstate[i] = true;\r
1170 }\r
1171 \r
1172 \r
1173 boolean IN_CheckAck (global_game_variables_t *gvar)\r
1174 {\r
1175         unsigned        i,buttons;\r
1176 \r
1177 //\r
1178 // see if something has been pressed\r
1179 //\r
1180         if (inst.LastScan)\r
1181                 return true;\r
1182 \r
1183         buttons = IN_JoyButtons () << 4;\r
1184         if (gvar->in.MousePresent)\r
1185                 buttons |= IN_MouseButtons (gvar);\r
1186 \r
1187         for (i=0;i<8;i++,buttons>>=1)\r
1188                 if ( buttons&1 )\r
1189                 {\r
1190                         if (!btnstate[i])\r
1191                                 return true;\r
1192                 }\r
1193                 else\r
1194                         btnstate[i]=false;\r
1195 \r
1196         return false;\r
1197 }\r
1198 \r
1199 \r
1200 void IN_Ack (global_game_variables_t *gvar)\r
1201 {\r
1202         IN_StartAck (gvar);\r
1203 \r
1204         while (!IN_CheckAck (gvar))\r
1205         ;\r
1206 }\r
1207 \r
1208 ///////////////////////////////////////////////////////////////////////////\r
1209 //\r
1210 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1211 //              is down\r
1212 //\r
1213 ///////////////////////////////////////////////////////////////////////////\r
1214 boolean\r
1215 IN_IsUserInput(global_game_variables_t *gvar)\r
1216 {\r
1217         boolean result;\r
1218         word    i;\r
1219 \r
1220         result = inst.LastScan;\r
1221 \r
1222         if (gvar->in.MousePresent)\r
1223                 if (INL_GetMouseButtons())\r
1224                         result = true;\r
1225 \r
1226         for (i = 0;i < MaxJoys;i++)\r
1227                 if (gvar->in.JoysPresent[i])\r
1228                         if (INL_GetJoyButtons(i))\r
1229                                 result = true;\r
1230 \r
1231         return(result);\r
1232 }\r
1233 \r
1234 ///////////////////////////////////////////////////////////////////////////\r
1235 //\r
1236 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1237 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1238 //              then either clears the key or waits for the user to let the mouse\r
1239 //              button up.\r
1240 //\r
1241 ///////////////////////////////////////////////////////////////////////////\r
1242 boolean IN_UserInput(word delay, global_game_variables_t *gvar)\r
1243 {\r
1244         word TimeCount = *clockw;\r
1245         word    lasttime;\r
1246 \r
1247         lasttime = TimeCount;\r
1248         IN_StartAck (gvar);\r
1249         do\r
1250         {\r
1251                 if (IN_CheckAck(gvar))\r
1252                         return true;\r
1253         } while (TimeCount - lasttime < delay);\r
1254         return(false);\r
1255 }\r
1256 \r
1257 //===========================================================================\r
1258 \r
1259 /*\r
1260 ===================\r
1261 =\r
1262 = IN_MouseButtons\r
1263 =\r
1264 ===================\r
1265 */\r
1266 \r
1267 byte    IN_MouseButtons (global_game_variables_t *gvar)\r
1268 {\r
1269         union REGS CPURegs;\r
1270         if (gvar->in.MousePresent)\r
1271         {\r
1272                 Mouse(MButtons);\r
1273                 return CPURegs.x.bx;\r
1274         }\r
1275         else\r
1276                 return 0;\r
1277 }\r
1278 \r
1279 \r
1280 /*\r
1281 ===================\r
1282 =\r
1283 = IN_JoyButtons\r
1284 =\r
1285 ===================\r
1286 */\r
1287 \r
1288 byte    IN_JoyButtons (void)\r
1289 {\r
1290         byte joybits;\r
1291 \r
1292         joybits = inportb(0x201);       // Get all the joystick buttons\r
1293         joybits >>= 4;                          // only the high bits are useful\r
1294         joybits ^= 15;                          // return with 1=pressed\r
1295 \r
1296         return joybits;\r
1297 }\r
1298 \r
1299 boolean IN_KeyDown(byte code)\r
1300 {\r
1301 #ifdef __DEBUG_InputMgr__\r
1302         if(inst.Keyboard[code])\r
1303                 printf("IN_KeyDown(%c): %u\n", code, inst.Keyboard[code]);\r
1304         if(!dbg_nointest)\r
1305 #endif\r
1306         return inst.Keyboard[code];\r
1307 #ifdef __DEBUG_InputMgr__\r
1308         else\r
1309                 if(dbg_nointest && kbhit())\r
1310                         return 1;\r
1311                 else\r
1312                         return 0;\r
1313 #endif\r
1314 }\r
1315 \r
1316 void IN_ClearKey(byte code)\r
1317 {\r
1318         inst.Keyboard[code] = false;\r
1319         if(code == inst.LastScan)\r
1320                 inst.LastScan = sc_None;\r
1321         }\r
1322 \r
1323 boolean IN_qb(byte kee)\r
1324 {\r
1325 #ifdef __DEBUG_InputMgr__\r
1326         if(dbg_testkeyin) if(inst.Keyboard[kee]) printf("IN_qb():       %u\n", inst.Keyboard[kee]);\r
1327 #endif\r
1328         if(inst.Keyboard[kee]==true) return 1;\r
1329         else return 0;\r
1330 }\r
1331 \r
1332 ScanCode IN_GetLastScan()\r
1333 {\r
1334         return inst.LastScan;\r
1335 }\r
1336 \r
1337 ScanCode IN_GetCurCode()\r
1338 {\r
1339         return inst.CurCode;\r
1340 }\r
1341 \r
1342 void IN_KbdLED()\r
1343 {\r
1344         byte far *lock_key;\r
1345 \r
1346         // turn off num-lock via BIOS\r
1347         lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
1348         *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
1349         OldKeyVect();   // call BIOS keyhandler to change keyboard lights\r
1350 }\r