src/lib/16_in.c

   1 /* Catacomb Apocalypse Source Code\r
   2  * Copyright (C) 1993-2014 Flat Rock Software\r
   3  *\r
   4  * This program is free software; you can redistribute it and/or modify\r
   5  * it under the terms of the GNU General Public License as published by\r
   6  * the Free Software Foundation; either version 2 of the License, or\r
   7  * (at your option) any later version.\r
   8  *\r
   9  * This program is distributed in the hope that it will be useful,\r
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  12  * GNU General Public License for more details.\r
  13  *\r
  14  * You should have received a copy of the GNU General Public License along\r
  15  * with this program; if not, write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\r
  17  */\r
  18 \r
  19 //\r
  20 //      ID Engine\r
  21 //      ID_IN.c - Input Manager\r
  22 //      v1.0d1w\r
  23 //      By Jason Blochowiak\r
  24 //      Open Watcom port by sparky4\r
  25 //\r
  26 \r
  27 //\r
  28 //      This module handles dealing with the various input devices\r
  29 //\r
  30 //      Depends on: Memory Mgr (for demo recording), Sound Mgr (for timing stuff),\r
  31 //                              User Mgr (for command line parms)\r
  32 //\r
  33 //      Globals:\r
  34 //              LastScan - The keyboard scan code of the last key pressed\r
  35 //              LastASCII - The ASCII value of the last key pressed\r
  36 //      DEBUG - there are more globals\r
  37 //\r
  38 \r
  39 #include "src/lib/16_in.h"\r
  40 #pragma hdrstop\r
  41 \r
  42 static word far* clockw= (word far*) 0x046C; /* 18.2hz clock */\r
  43 \r
  44 /*\r
  45 =============================================================================\r
  46 \r
  47                                         GLOBAL VARIABLES\r
  48 \r
  49 =============================================================================\r
  50 */\r
  51 struct inconfig\r
  52 {\r
  53         boolean         MousePresent;\r
  54         boolean         JoysPresent[MaxJoys];\r
  55         boolean         Keyboard[NumCodes];\r
  56         boolean         Paused;\r
  57         char            LastASCII;\r
  58         ScanCode        LastScan;\r
  59 \r
  60         KeyboardDef     KbdDefs[MaxKbds];\r
  61         JoystickDef     JoyDefs[MaxJoys];\r
  62 } inpu;\r
  63 \r
  64 //extern inconfig inpu;\r
  65 //inpu.KbdDefs = {0x1d,0x38,/*0x47,*/0x48,/*0x49,*/0x4b,0x4d,/*0x4f,*/0x50/*,0x51*/};\r
  66 \r
  67 /*\r
  68 =============================================================================\r
  69 \r
  70                                         LOCAL VARIABLES\r
  71 \r
  72 =============================================================================\r
  73 */\r
  74 \r
  75 #ifdef __cplusplus              /* Function must be declared C style */\r
  76 extern "C" {\r
  77 #endif\r
  78 \r
  79 static struct instat {\r
  80         boolean         IN_Started;\r
  81         boolean         CapsLock;\r
  82         ScanCode        CurCode,LastCode;\r
  83 } inst;\r
  84 \r
  85 static  void                    (*INL_KeyHook)(void);\r
  86 static  void interrupt  (*OldKeyVect)(void);\r
  87 static  char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
  88 \r
  89 static  byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
  90                                         {\r
  91 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
  92         0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
  93         'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
  94         'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
  95         'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
  96         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
  97         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
  98         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
  99         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 100                                         },\r
 101                                         far ShiftNames[] =              // Shifted ASCII for scan codes\r
 102                                         {\r
 103 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 104         0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
 105         'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
 106         'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
 107         'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 108         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 109         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 110         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 111         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 112                                         },\r
 113                                         far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
 114                                         {\r
 115 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 116         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
 117         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
 118         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
 119         0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 120         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
 121         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 122         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 123         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 124                                         },\r
 125                                         *ScanNames[] =          // Scan code names with single chars\r
 126                                         {\r
 127         "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
 128         "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
 129         "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
 130         "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
 131         "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
 132         "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 133         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 134         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
 135                                         },      // DEBUG - consolidate these\r
 136                                         far ExtScanCodes[] =    // Scan codes with >1 char names\r
 137                                         {\r
 138         1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
 139         0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
 140         0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
 141         0x50,0x4b,0x4d,0x00\r
 142                                         },\r
 143                                         *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
 144                                         {\r
 145         "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
 146         "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
 147         "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
 148         "Down","Left","Right",""\r
 149                                         };\r
 150 \r
 151 static  Direction       DirTable[] =            // Quick lookup for total direction\r
 152                                         {\r
 153                                                 //dir_Nortinest,\r
 154                                                 dir_North,\r
 155                                                 dir_West,\r
 156                                                 dir_None,\r
 157                                                 dir_East,\r
 158                                                 dir_South\r
 159                                                 //dir_NorthEast,\r
 160                                                 //dir_Soutinest,\r
 161                                                 //,dir_SouthEast\r
 162                                         };\r
 163 #ifdef __cplusplus\r
 164 }\r
 165 #endif\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 void interrupt\r
 175 INL_KeyService()\r
 176 {\r
 177 static  boolean special;\r
 178                 byte    k,c;\r
 179                 register byte temp;\r
 180 \r
 181         k = inp(0x60);  // Get the scan code\r
 182 \r
 183         // Tell the XT keyboard controller to clear the key\r
 184         outp(0x61,(temp = inp(0x61)) | 0x80);\r
 185         outp(0x61,temp);\r
 186 \r
 187         if (k == 0xe0)          // Special key prefix\r
 188                 special = true;\r
 189         else if (k == 0xe1)     // Handle Pause key\r
 190                 inpu.Paused = true;\r
 191         else\r
 192         {\r
 193                 if (k & 0x80)   // Break code\r
 194                 {\r
 195                         k &= 0x7f;\r
 196 \r
 197 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 198 \r
 199                         inpu.Keyboard[k] = false;\r
 200                 }\r
 201                 else                    // Make code\r
 202                 {\r
 203                         inst.LastCode = inst.CurCode;\r
 204                         inst.CurCode = inpu.LastScan = k;\r
 205                         inpu.Keyboard[k] = true;\r
 206 \r
 207                         if (special)\r
 208                                 c = SpecialNames[k];\r
 209                         else\r
 210                         {\r
 211                                 if (k == sc_CapsLock)\r
 212                                 {\r
 213                                         inst.CapsLock ^= true;\r
 214                                         // DEBUG - make caps lock light work\r
 215                                 }\r
 216 \r
 217                                 if (inpu.Keyboard[sc_LShift] || inpu.Keyboard[sc_RShift])       // If shifted\r
 218                                 {\r
 219                                         c = ShiftNames[k];\r
 220                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 221                                                 c += 'a' - 'A';\r
 222                                 }\r
 223                                 else\r
 224                                 {\r
 225                                         c = ASCIINames[k];\r
 226                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 227                                                 c -= 'a' - 'A';\r
 228                                 }\r
 229                         }\r
 230                         if (c)\r
 231                                 inpu.LastASCII = c;\r
 232                 }\r
 233 \r
 234                 special = false;\r
 235         }\r
 236 \r
 237         if (INL_KeyHook && !special)\r
 238                 INL_KeyHook();\r
 239 #ifdef __DEBUG_InputMgr__\r
 240         if(dbg_testkeyin > 0) printf("%c        %u      [0x%x %u]       %u\n", c, c, k, k, inpu.Keyboard[k]);\r
 241 #endif\r
 242         outp(0x20,0x20);\r
 243 }\r
 244 \r
 245 void\r
 246 Mouse(int x)\r
 247 {\r
 248         //union REGS CPURegs;\r
 249         //x = CPURegs.x.ax;\r
 250         __asm {\r
 251                 mov     ax,x\r
 252                 int     MouseInt\r
 253         }\r
 254         //int86(MouseInt,&CPURegs,&CPURegs);\r
 255 }\r
 256 \r
 257 ///////////////////////////////////////////////////////////////////////////\r
 258 //\r
 259 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 260 //              mouse driver\r
 261 //\r
 262 ///////////////////////////////////////////////////////////////////////////\r
 263 static void\r
 264 INL_GetMouseDelta(int *x,int *y)\r
 265 {\r
 266         union REGS CPURegs;\r
 267         Mouse(MDelta);\r
 268         *x = CPURegs.x.cx;\r
 269         *y = CPURegs.x.dx;\r
 270 }\r
 271 \r
 272 ///////////////////////////////////////////////////////////////////////////\r
 273 //\r
 274 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 275 //              mouse driver\r
 276 //\r
 277 ///////////////////////////////////////////////////////////////////////////\r
 278 static word\r
 279 INL_GetMouseButtons(void)\r
 280 {\r
 281         union REGS CPURegs;\r
 282         word    buttons;\r
 283 \r
 284         Mouse(MButtons);\r
 285         buttons = CPURegs.x.bx;\r
 286         return(buttons);\r
 287 }\r
 288 \r
 289 ///////////////////////////////////////////////////////////////////////////\r
 290 //\r
 291 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 292 //\r
 293 ///////////////////////////////////////////////////////////////////////////\r
 294 void\r
 295 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 296 {\r
 297         byte    xb,yb,\r
 298                         xs,ys;\r
 299         word    x,y;\r
 300 \r
 301         x = y = 0;\r
 302         xs = joy? 2 : 0;                // Find shift value for x axis\r
 303         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 304         ys = joy? 3 : 1;                // Do the same for y axis\r
 305         yb = 1 << ys;\r
 306 \r
 307 // Read the absolute joystick values\r
 308         __asm {\r
 309                 pushf                           // Save some registers\r
 310                 push    si\r
 311                 push    di\r
 312                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 313 \r
 314 \r
 315                 mov             dx,0x201\r
 316                 in              al,dx\r
 317                 out             dx,al           // Clear the resistors\r
 318 \r
 319                 mov             ah,[xb]         // Get masks into registers\r
 320                 mov             ch,[yb]\r
 321 \r
 322                 xor             si,si           // Clear count registers\r
 323                 xor             di,di\r
 324                 xor             bh,bh           // Clear high byte of bx for later\r
 325 \r
 326                 push    bp                      // Don't mess up stack frame\r
 327                 mov             bp,MaxJoyValue\r
 328 #ifdef __BORLANDC__\r
 329         }\r
 330 #endif\r
 331 loo:\r
 332 #ifdef __BORLANDC__\r
 333         __asm {\r
 334 #endif\r
 335                 in              al,dx           // Get bits indicating whether all are finished\r
 336 \r
 337                 dec             bp                      // Check bounding register\r
 338                 jz              done            // We have a silly value - abort\r
 339 \r
 340                 mov             bl,al           // Duplicate the bits\r
 341                 and             bl,ah           // Mask off useless bits (in [xb])\r
 342                 add             si,bx           // Possibly increment count register\r
 343                 mov             cl,bl           // Save for testing later\r
 344 \r
 345                 mov             bl,al\r
 346                 and             bl,ch           // [yb]\r
 347                 add             di,bx\r
 348 \r
 349                 add             cl,bl\r
 350                 jnz             loo             // If both bits were 0, drop out\r
 351 #ifdef __BORLANDC__\r
 352         }\r
 353 #endif\r
 354 done:\r
 355 #ifdef __BORLANDC__\r
 356         __asm {\r
 357 #endif\r
 358                 pop             bp\r
 359 \r
 360                 mov             cl,[xs]         // Get the number of bits to shift\r
 361                 shr             si,cl           //  and shift the count that many times\r
 362 \r
 363                 mov             cl,[ys]\r
 364                 shr             di,cl\r
 365 \r
 366                 mov             [x],si          // Store the values into the variables\r
 367                 mov             [y],di\r
 368 \r
 369                 pop             di\r
 370                 pop             si\r
 371                 popf                            // Restore the registers\r
 372         }\r
 373 \r
 374         *xp = x;\r
 375         *yp = y;\r
 376 }\r
 377 \r
 378 ///////////////////////////////////////////////////////////////////////////\r
 379 //\r
 380 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 381 //              joystick (from +/-127, scaled adaptively)\r
 382 //\r
 383 ///////////////////////////////////////////////////////////////////////////\r
 384 static void\r
 385 INL_GetJoyDelta(word joy,int *dx,int *dy,boolean adaptive)\r
 386 {\r
 387         word            x,y;\r
 388         word    time;\r
 389         word TimeCount = *clockw;\r
 390         JoystickDef     *def;\r
 391 static  word    lasttime;\r
 392 \r
 393         IN_GetJoyAbs(joy,&x,&y);\r
 394         def = inpu.JoyDefs + joy;\r
 395 \r
 396         if (x < def->threshMinX)\r
 397         {\r
 398                 if (x < def->joyMinX)\r
 399                         x = def->joyMinX;\r
 400 \r
 401                 x = -(x - def->threshMinX);\r
 402                 x *= def->joyMultXL;\r
 403                 x >>= JoyScaleShift;\r
 404                 *dx = (x > 127)? -127 : -x;\r
 405         }\r
 406         else if (x > def->threshMaxX)\r
 407         {\r
 408                 if (x > def->joyMaxX)\r
 409                         x = def->joyMaxX;\r
 410 \r
 411                 x = x - def->threshMaxX;\r
 412                 x *= def->joyMultXH;\r
 413                 x >>= JoyScaleShift;\r
 414                 *dx = (x > 127)? 127 : x;\r
 415         }\r
 416         else\r
 417                 *dx = 0;\r
 418 \r
 419         if (y < def->threshMinY)\r
 420         {\r
 421                 if (y < def->joyMinY)\r
 422                         y = def->joyMinY;\r
 423 \r
 424                 y = -(y - def->threshMinY);\r
 425                 y *= def->joyMultYL;\r
 426                 y >>= JoyScaleShift;\r
 427                 *dy = (y > 127)? -127 : -y;\r
 428         }\r
 429         else if (y > def->threshMaxY)\r
 430         {\r
 431                 if (y > def->joyMaxY)\r
 432                         y = def->joyMaxY;\r
 433 \r
 434                 y = y - def->threshMaxY;\r
 435                 y *= def->joyMultYH;\r
 436                 y >>= JoyScaleShift;\r
 437                 *dy = (y > 127)? 127 : y;\r
 438         }\r
 439         else\r
 440                 *dy = 0;\r
 441 \r
 442         if (adaptive)\r
 443         {\r
 444                 time = (TimeCount - lasttime) / 2;\r
 445                 if (time)\r
 446                 {\r
 447                         if (time > 8)\r
 448                                 time = 8;\r
 449                         *dx *= time;\r
 450                         *dy *= time;\r
 451                 }\r
 452         }\r
 453         lasttime = TimeCount;\r
 454 }\r
 455 \r
 456 ///////////////////////////////////////////////////////////////////////////\r
 457 //\r
 458 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 459 //              joystick\r
 460 //\r
 461 ///////////////////////////////////////////////////////////////////////////\r
 462 static word\r
 463 INL_GetJoyButtons(word joy)\r
 464 {\r
 465 register        word    result;\r
 466 \r
 467         result = inp(0x201);    // Get all the joystick buttons\r
 468         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 469         result &= 3;                            // Mask off the useless bits\r
 470         result ^= 3;\r
 471         return(result);\r
 472 }\r
 473 \r
 474 ///////////////////////////////////////////////////////////////////////////\r
 475 //\r
 476 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 477 //              specified joystick\r
 478 //\r
 479 ///////////////////////////////////////////////////////////////////////////\r
 480 word\r
 481 IN_GetJoyButtonsDB(word joy)\r
 482 {\r
 483         word TimeCount = *clockw;\r
 484         word    lasttime;\r
 485         word            result1,result2;\r
 486 \r
 487         do\r
 488         {\r
 489                 result1 = INL_GetJoyButtons(joy);\r
 490                 lasttime = TimeCount;\r
 491                 while(TimeCount == lasttime)\r
 492                 result2 = INL_GetJoyButtons(joy);\r
 493         } while(result1 != result2);\r
 494         return(result1);\r
 495 }\r
 496 \r
 497 ///////////////////////////////////////////////////////////////////////////\r
 498 //\r
 499 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 500 //\r
 501 ///////////////////////////////////////////////////////////////////////////\r
 502 static void\r
 503 INL_StartKbd()\r
 504 {\r
 505         byte far *lock_key;\r
 506         INL_KeyHook = 0;        // Clear key hook\r
 507 \r
 508         IN_ClearKeysDown();\r
 509 \r
 510         OldKeyVect = _dos_getvect(KeyInt);\r
 511 \r
 512         // turn off num-lock via BIOS\r
 513         lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
 514         *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
 515         OldKeyVect();   // call BIOS keyhandler to change keyboard lights\r
 516         _dos_setvect(KeyInt,INL_KeyService);\r
 517 }\r
 518 \r
 519 ///////////////////////////////////////////////////////////////////////////\r
 520 //\r
 521 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 522 //\r
 523 ///////////////////////////////////////////////////////////////////////////\r
 524 static void\r
 525 INL_ShutKbd(void)\r
 526 {\r
 527         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 528 \r
 529         _dos_setvect(KeyInt,OldKeyVect);\r
 530 }\r
 531 \r
 532 ///////////////////////////////////////////////////////////////////////////\r
 533 //\r
 534 //      INL_StartMouse() - Detects and sets up the mouse\r
 535 //\r
 536 ///////////////////////////////////////////////////////////////////////////\r
 537 static boolean\r
 538 INL_StartMouse(void)\r
 539 {\r
 540         union REGS CPURegs;\r
 541         if(_dos_getvect(MouseInt))\r
 542         {\r
 543                 Mouse(MReset);\r
 544                 if(CPURegs.x.ax == 0xffff)\r
 545                         return(true);\r
 546         }\r
 547         return(false);\r
 548 }\r
 549 \r
 550 ///////////////////////////////////////////////////////////////////////////\r
 551 //\r
 552 //      INL_ShutMouse() - Cleans up after the mouse\r
 553 //\r
 554 ///////////////////////////////////////////////////////////////////////////\r
 555 static void\r
 556 INL_ShutMouse(void)\r
 557 {\r
 558 }\r
 559 \r
 560 //\r
 561 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 562 //\r
 563 static void\r
 564 INL_SetJoyScale(word joy)\r
 565 {\r
 566         JoystickDef     *def;\r
 567 \r
 568         def = &(inpu.JoyDefs[joy]);\r
 569         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 570         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 571         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 572         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 573 }\r
 574 \r
 575 ///////////////////////////////////////////////////////////////////////////\r
 576 //\r
 577 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 578 //              to set up scaling values\r
 579 //\r
 580 ///////////////////////////////////////////////////////////////////////////\r
 581 void\r
 582 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy)\r
 583 {\r
 584         word            d,r;\r
 585         JoystickDef     *def;\r
 586 \r
 587         def = &(inpu.JoyDefs[joy]);\r
 588 \r
 589         def->joyMinX = minx;\r
 590         def->joyMaxX = maxx;\r
 591         r = maxx - minx;\r
 592         d = r / 3;\r
 593         def->threshMinX = ((r / 2) - d) + minx;\r
 594         def->threshMaxX = ((r / 2) + d) + minx;\r
 595 \r
 596         def->joyMinY = miny;\r
 597         def->joyMaxY = maxy;\r
 598         r = maxy - miny;\r
 599         d = r / 3;\r
 600         def->threshMinY = ((r / 2) - d) + miny;\r
 601         def->threshMaxY = ((r / 2) + d) + miny;\r
 602 \r
 603         INL_SetJoyScale(joy);\r
 604 }\r
 605 \r
 606 ///////////////////////////////////////////////////////////////////////////\r
 607 //\r
 608 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 609 //                                      The auto-config assumes the joystick is centered\r
 610 //\r
 611 ///////////////////////////////////////////////////////////////////////////\r
 612 static boolean\r
 613 INL_StartJoy(word joy)\r
 614 {\r
 615         word            x,y;\r
 616 \r
 617         IN_GetJoyAbs(joy,&x,&y);\r
 618 \r
 619         if\r
 620         (\r
 621                 ((x == 0) || (x > MaxJoyValue - 10))\r
 622         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 623         )\r
 624                 return(false);\r
 625         else\r
 626         {\r
 627                 IN_SetupJoy(joy,0,x * 2,0,y * 2);\r
 628                 return(true);\r
 629         }\r
 630 }\r
 631 \r
 632 ///////////////////////////////////////////////////////////////////////////\r
 633 //\r
 634 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 635 //\r
 636 ///////////////////////////////////////////////////////////////////////////\r
 637 static void\r
 638 INL_ShutJoy(word joy)\r
 639 {\r
 640         inpu.JoysPresent[joy] = false;\r
 641 }\r
 642 \r
 643 //      Public routines\r
 644 \r
 645 ///////////////////////////////////////////////////////////////////////////\r
 646 //\r
 647 //      IN_Startup() - Starts up the Input Mgr\r
 648 //\r
 649 ///////////////////////////////////////////////////////////////////////////\r
 650 void\r
 651 IN_Startup()\r
 652 {\r
 653         boolean checkjoys,checkmouse;\r
 654         word    i;\r
 655 \r
 656         if (inst.IN_Started)\r
 657                 return;\r
 658 \r
 659         checkjoys = true;\r
 660         checkmouse = true;\r
 661         for (i = 1;i < _argc;i++)\r
 662         {\r
 663                 switch (US_CheckParm(_argv[i],ParmStringsIN))\r
 664                 {\r
 665                 case 0:\r
 666                         checkjoys = false;\r
 667                         break;\r
 668                 case 1:\r
 669                         checkmouse = false;\r
 670                         break;\r
 671                 }\r
 672         }\r
 673 \r
 674         INL_StartKbd();\r
 675         inpu.MousePresent = checkmouse? INL_StartMouse() : false;\r
 676 \r
 677         for (i = 0;i < MaxJoys;i++)\r
 678                 inpu.JoysPresent[i] = checkjoys? INL_StartJoy(i) : false;\r
 679 \r
 680         inst.IN_Started = true;\r
 681 \r
 682 }\r
 683 \r
 684 ///////////////////////////////////////////////////////////////////////////\r
 685 //\r
 686 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 687 //\r
 688 ///////////////////////////////////////////////////////////////////////////\r
 689 void\r
 690 IN_Default(boolean gotit,player_t *player,ControlType nt)\r
 691 {\r
 692         int i;\r
 693         if\r
 694         (\r
 695                 (!gotit)\r
 696         ||      ((nt == ctrl_Joystick1) && !inpu.JoysPresent[0])\r
 697         ||      ((nt == ctrl_Joystick2) && !inpu.JoysPresent[1])\r
 698         ||      ((nt == ctrl_Mouse) && !inpu.MousePresent)\r
 699         )\r
 700                 nt = ctrl_Keyboard1;\r
 701         inpu.KbdDefs[0].button0 = 0x1c;\r
 702         inpu.KbdDefs[0].button1 = 0x38;\r
 703         //in.KbdDefs[0].upleft = 0x47;\r
 704         inpu.KbdDefs[0].up = 0x48;\r
 705         //in.KbdDefs[0].upright = 0x49;\r
 706         inpu.KbdDefs[0].left = 0x4b;\r
 707         inpu.KbdDefs[0].right = 0x4d;\r
 708         //in.KbdDefs[0].downleft = 0x4f;\r
 709         inpu.KbdDefs[0].down = 0x50;\r
 710         //in.KbdDefs[0].downright = 0x51;\r
 711         IN_SetControlType(0,player,nt);\r
 712         for(i=0; i>MaxPlayers;i++)\r
 713                 player[i].enti.d =2;\r
 714 }\r
 715 \r
 716 ///////////////////////////////////////////////////////////////////////////\r
 717 //\r
 718 //      IN_Shutdown() - Shuts down the Input Mgr\r
 719 //\r
 720 ///////////////////////////////////////////////////////////////////////////\r
 721 void\r
 722 IN_Shutdown()\r
 723 {\r
 724         word    i;\r
 725 \r
 726         if (!inst.IN_Started)\r
 727                 return;\r
 728 \r
 729         INL_ShutMouse();\r
 730         for (i = 0;i < MaxJoys;i++)\r
 731                 INL_ShutJoy(i);\r
 732         INL_ShutKbd();\r
 733 \r
 734         inst.IN_Started = false;\r
 735 }\r
 736 \r
 737 ///////////////////////////////////////////////////////////////////////////\r
 738 //\r
 739 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 740 //                      everytime a real make/break code gets hit\r
 741 //\r
 742 ///////////////////////////////////////////////////////////////////////////\r
 743 void\r
 744 IN_SetKeyHook(void (*hook)())\r
 745 {\r
 746         INL_KeyHook = hook;\r
 747 }\r
 748 \r
 749 ///////////////////////////////////////////////////////////////////////////\r
 750 //\r
 751 //      IN_ClearKeyDown() - Clears the keyboard array\r
 752 //\r
 753 ///////////////////////////////////////////////////////////////////////////\r
 754 void\r
 755 IN_ClearKeysDown()\r
 756 {\r
 757         //int   i;\r
 758 \r
 759         inpu.LastScan = sc_None;\r
 760         inpu.LastASCII = key_None;\r
 761         memset (inpu.Keyboard,0,sizeof(inpu.Keyboard));\r
 762 }\r
 763 \r
 764 ///////////////////////////////////////////////////////////////////////////\r
 765 //\r
 766 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 767 //\r
 768 ///////////////////////////////////////////////////////////////////////////\r
 769 static void\r
 770 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 771 {\r
 772         if (buttons & (1 << 0))\r
 773                 info->button0 = true;\r
 774         if (buttons & (1 << 1))\r
 775                 info->button1 = true;\r
 776 \r
 777         info->x += dx;\r
 778         info->y += dy;\r
 779 }\r
 780 \r
 781 ///////////////////////////////////////////////////////////////////////////\r
 782 //\r
 783 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 784 //              struct\r
 785 //\r
 786 ///////////////////////////////////////////////////////////////////////////\r
 787 void\r
 788 IN_ReadCursor(CursorInfo *info)\r
 789 {\r
 790         word    i,\r
 791                         buttons;\r
 792         int             dx,dy;\r
 793 \r
 794         info->x = info->y = 0;\r
 795         info->button0 = info->button1 = false;\r
 796 \r
 797         if (inpu.MousePresent)\r
 798         {\r
 799                 buttons = INL_GetMouseButtons();\r
 800                 INL_GetMouseDelta(&dx,&dy);\r
 801                 INL_AdjustCursor(info,buttons,dx,dy);\r
 802         }\r
 803 \r
 804         for (i = 0;i < MaxJoys;i++)\r
 805         {\r
 806                 if (!inpu.JoysPresent[i])\r
 807                         continue;\r
 808 \r
 809                 buttons = INL_GetJoyButtons(i);\r
 810                 INL_GetJoyDelta(i,&dx,&dy,true);\r
 811                 dx /= 64;\r
 812                 dy /= 64;\r
 813                 INL_AdjustCursor(info,buttons,dx,dy);\r
 814         }\r
 815 }\r
 816 \r
 817 ///////////////////////////////////////////////////////////////////////////\r
 818 //\r
 819 //      IN_ReadControl() - Reads the device associated with the specified\r
 820 //              player and fills in the control info struct\r
 821 //\r
 822 ///////////////////////////////////////////////////////////////////////////\r
 823 void near\r
 824 IN_ReadControl(word pn, player_t *player)\r
 825 {\r
 826                         boolean         realdelta;\r
 827 #if DEMO0\r
 828                         byte            dbyte;\r
 829 #endif\r
 830                         word            buttons;\r
 831                         int                     dx,dy;\r
 832                         Motion          mx,my;\r
 833                         ControlType     type;\r
 834                         sword conpee;\r
 835                         byte dir=DirTable[2];\r
 836 register        KeyboardDef     *def;\r
 837 \r
 838         dx = dy = 0;\r
 839         mx = my = motion_None;\r
 840         buttons = 0;\r
 841 \r
 842 #if DEMO0\r
 843         if (DemoMode == demo_Playback)\r
 844         {\r
 845                 dbyte = DemoBuffer[DemoOffset + 1];\r
 846                 my = (dbyte & 3) - 1;\r
 847                 mx = ((dbyte >> 2) & 3) - 1;\r
 848                 buttons = (dbyte >> 4) & 3;\r
 849 \r
 850                 if (!(--DemoBuffer[DemoOffset]))\r
 851                 {\r
 852                         DemoOffset += 2;\r
 853                         if (DemoOffset >= DemoSize)\r
 854                                 DemoMode = demo_PlayDone;\r
 855                 }\r
 856 \r
 857                 realdelta = false;\r
 858         }\r
 859         else if (DemoMode == demo_PlayDone)\r
 860                 Quit ("Demo playback exceeded");\r
 861         else\r
 862         {\r
 863 #endif\r
 864                 switch (type = player[pn].Controls)\r
 865                 {\r
 866                 case ctrl_Keyboard1:\r
 867                 case ctrl_Keyboard2:\r
 868                         def = &(inpu.KbdDefs[type - ctrl_Keyboard]);\r
 869 \r
 870 /*                      if (Keyboard[def->upleft])\r
 871                                 mx = motion_Left,my = motion_Up;\r
 872                         else if (Keyboard[def->upright])\r
 873                                 mx = motion_Right,my = motion_Up;\r
 874                         else if (Keyboard[def->downleft])\r
 875                                 mx = motion_Left,my = motion_Down;\r
 876                         else if (Keyboard[def->downright])\r
 877                                 mx = motion_Right,my = motion_Down;*/\r
 878 //TODO: make this into a function that the joystick AND keyboard can use wwww\r
 879                         if(DIRECTIONIFELSE)//(player[pn].info.dir == 2)\r
 880                         {\r
 881                         if(!inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]){\r
 882                                 if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]))\r
 883                                         my = motion_Up;\r
 884                                 if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up]))\r
 885                                         my = motion_Down;\r
 886                         }else if(!inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]){\r
 887                                 if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]))\r
 888                                         mx = motion_Left;\r
 889                                 if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left]))\r
 890                                         mx = motion_Right;\r
 891                         }else{  //2 keys pressed\r
 892                                         switch (player[pn].pdir)\r
 893                                         {\r
 894                                                 case 0:\r
 895                                                 case 4:\r
 896                                                         if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right])){ dir = DirTable[1]; }//mx = motion_Left; }\r
 897                                                         else if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left])){ dir = DirTable[3]; }//mx = motion_Right; }\r
 898                                                 break;\r
 899                                                 case 1:\r
 900                                                 case 3:\r
 901                                                         if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down])){ dir = DirTable[0]; }//my = motion_Up; }\r
 902                                                         else if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up])){ dir = DirTable[4]; }//my = motion_Down; }\r
 903                                                 break;\r
 904                                                 default:\r
 905                                                 break;\r
 906                                         }\r
 907 #ifdef __DEBUG_InputMgr__\r
 908                                         //if(dbg_testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c        ", dirchar(player[pn].pdir)); }\r
 909 #endif\r
 910                                 }\r
 911                         }\r
 912                         //input from player\r
 913                         if (inpu.Keyboard[def->button0])\r
 914                                 buttons += 1 << 0;\r
 915                         if (inpu.Keyboard[def->button1])\r
 916                                 buttons += 1 << 1;\r
 917                         realdelta = false;\r
 918                         break;\r
 919                 case ctrl_Joystick1:\r
 920                 case ctrl_Joystick2:\r
 921                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy,false);\r
 922                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 923                         realdelta = true;\r
 924                         break;\r
 925                 case ctrl_Mouse:\r
 926                         INL_GetMouseDelta(&dx,&dy);\r
 927                         buttons = INL_GetMouseButtons();\r
 928                         realdelta = true;\r
 929                         break;\r
 930                 }\r
 931 #ifdef DEMO0\r
 932         }\r
 933 #endif\r
 934 \r
 935         if (realdelta)\r
 936         {\r
 937                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 938                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 939         }\r
 940         else\r
 941         {\r
 942                 dx = mx;// * 127;\r
 943                 dy = my;// * 127;\r
 944         }\r
 945 \r
 946         player[pn].info.x = dx;\r
 947         player[pn].info.xaxis = mx;\r
 948         player[pn].info.y = dy;\r
 949         player[pn].info.yaxis = my;\r
 950         player[pn].info.button0 = buttons & (1 << 0);\r
 951         player[pn].info.button1 = buttons & (1 << 1);\r
 952         player[pn].info.button2 = buttons & (1 << 2);\r
 953         player[pn].info.button3 = buttons & (1 << 3);\r
 954 //      player[pn].info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 955         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 956         player[pn].info.dir = DirTable[conpee];\r
 957 \r
 958         if(DirTable[conpee]!=2) player[pn].pdir=DirTable[conpee];\r
 959         if(player[pn].enti.q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 960         {\r
 961                 if(dir==2) player[pn].enti.d = player[pn].info.dir;\r
 962                 else player[pn].enti.d = DirTable[dir];\r
 963         }\r
 964 \r
 965 #if DEMO0\r
 966         if (DemoMode == demo_Record)\r
 967         {\r
 968                 // Pack the control info into a byte\r
 969                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 970 \r
 971                 if\r
 972                 (\r
 973                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 974                 &&      (DemoBuffer[DemoOffset] < 255)\r
 975                 )\r
 976                         (DemoBuffer[DemoOffset])++;\r
 977                 else\r
 978                 {\r
 979                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 980                                 DemoOffset += 2;\r
 981 \r
 982                         if (DemoOffset >= DemoSize)\r
 983                                 Quit ("Demo buffer overflow");\r
 984 \r
 985                         DemoBuffer[DemoOffset] = 1;\r
 986                         DemoBuffer[DemoOffset + 1] = dbyte;\r
 987                 }\r
 988         }\r
 989 #endif\r
 990 #ifdef __DEBUG_InputMgr__\r
 991 if(dbg_testcontrolnoisy > 0)\r
 992 if(player[pn].info.dir!=2/*(inpu.Keyboard[def->up] || inpu.Keyboard[def->down] || inpu.Keyboard[def->left] || inpu.Keyboard[def->right])*/ || player[pn].enti.q>1)\r
 993 {\r
 994         //printf("b1=%u b2=%u b3=%u b4=%u       ", player[pn].info.button0, player[pn].info.button1, player[pn].info.button2, player[pn].info.button3);\r
 995         //printf("q=%d ", player[pn].enti.q);\r
 996         //printf("cpee=%c ", dirchar(conpee));\r
 997         printf("pdir=%c d=%c dir=%c ", dirchar(player[pn].pdir), dirchar(player[pn].enti.d), dirchar(player[pn].info.dir));\r
 998         /*if(realdelta) */printf("dx=%d dy=%d   mx=%d   my=%d", player[pn].info.x, player[pn].info.y, player[pn].info.xaxis, player[pn].info.yaxis);\r
 999         //else if(!realdelta) printf("%c%d %c%d %c%d %c%d", dirchar(0), inpu.Keyboard[def->up], dirchar(4), inpu.Keyboard[def->down], dirchar(1), inpu.Keyboard[def->left], dirchar(3), inpu.Keyboard[def->right]);\r
1000         printf("\n");\r
1001 }\r
1002 #endif\r
1003 }\r
1004 \r
1005 ///////////////////////////////////////////////////////////////////////////\r
1006 //\r
1007 //      IN_SetControlType() - Sets the control type to be used by the specified\r
1008 //              player\r
1009 //\r
1010 ///////////////////////////////////////////////////////////////////////////\r
1011 void\r
1012 IN_SetControlType(word pn,player_t *player,ControlType type)\r
1013 {\r
1014         // DEBUG - check that requested type is present?\r
1015         player[pn].Controls = type;\r
1016 }\r
1017 \r
1018 #if DEMO0\r
1019 ///////////////////////////////////////////////////////////////////////////\r
1020 //\r
1021 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1022 //              size passed. Returns if the buffer allocation was successful\r
1023 //\r
1024 ///////////////////////////////////////////////////////////////////////////\r
1025 boolean\r
1026 IN_StartDemoRecord(word bufsize)\r
1027 {\r
1028         if (!bufsize)\r
1029                 return(false);\r
1030 \r
1031         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1032         DemoMode = demo_Record;\r
1033         DemoSize = bufsize & ~1;\r
1034         DemoOffset = 0;\r
1035         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1036 \r
1037         return(true);\r
1038 }\r
1039 \r
1040 ///////////////////////////////////////////////////////////////////////////\r
1041 //\r
1042 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1043 //\r
1044 ///////////////////////////////////////////////////////////////////////////\r
1045 void\r
1046 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1047 {\r
1048         DemoBuffer = buffer;\r
1049         DemoMode = demo_Playback;\r
1050         DemoSize = bufsize & ~1;\r
1051         DemoOffset = 0;\r
1052 }\r
1053 \r
1054 ///////////////////////////////////////////////////////////////////////////\r
1055 //\r
1056 //      IN_StopDemo() - Turns off demo mode\r
1057 //\r
1058 ///////////////////////////////////////////////////////////////////////////\r
1059 void\r
1060 IN_StopDemo(void)\r
1061 {\r
1062         if ((DemoMode == demo_Record) && DemoOffset)\r
1063                 DemoOffset += 2;\r
1064 \r
1065         DemoMode = demo_Off;\r
1066 }\r
1067 \r
1068 ///////////////////////////////////////////////////////////////////////////\r
1069 //\r
1070 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1071 //\r
1072 ///////////////////////////////////////////////////////////////////////////\r
1073 void\r
1074 IN_FreeDemoBuffer(void)\r
1075 {\r
1076         if (DemoBuffer)\r
1077                 MM_FreePtr((memptr *)&DemoBuffer);\r
1078 }\r
1079 #endif\r
1080 \r
1081 \r
1082 ///////////////////////////////////////////////////////////////////////////\r
1083 //\r
1084 //      IN_GetScanName() - Returns a string containing the name of the\r
1085 //              specified scan code\r
1086 //\r
1087 ///////////////////////////////////////////////////////////////////////////\r
1088 byte *\r
1089 IN_GetScanName(ScanCode scan)\r
1090 {\r
1091         byte            **p;\r
1092         ScanCode        far *s;\r
1093 \r
1094         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1095                 if (*s == scan)\r
1096                         return(*p);\r
1097 \r
1098         return(ScanNames[scan]);\r
1099 }\r
1100 \r
1101 ///////////////////////////////////////////////////////////////////////////\r
1102 //\r
1103 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1104 //              returns the scan code\r
1105 //\r
1106 ///////////////////////////////////////////////////////////////////////////\r
1107 ScanCode\r
1108 IN_WaitForKey()\r
1109 {\r
1110         ScanCode        result;\r
1111 \r
1112         while (!(result = inpu.LastScan))\r
1113                 ;\r
1114         inpu.LastScan = 0;\r
1115         return(result);\r
1116 }\r
1117 \r
1118 ///////////////////////////////////////////////////////////////////////////\r
1119 //\r
1120 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1121 //              returns the ASCII value\r
1122 //\r
1123 ///////////////////////////////////////////////////////////////////////////\r
1124 char\r
1125 IN_WaitForASCII()\r
1126 {\r
1127         char            result;\r
1128 \r
1129         while (!(result = inpu.LastASCII))\r
1130                 ;\r
1131         inpu.LastASCII = '\0';\r
1132         return(result);\r
1133 }\r
1134 \r
1135 ///////////////////////////////////////////////////////////////////////////\r
1136 //\r
1137 //      IN_AckBack() - Waits for either an ASCII keypress or a button press\r
1138 //\r
1139 ///////////////////////////////////////////////////////////////////////////\r
1140 void\r
1141 IN_AckBack()\r
1142 {\r
1143         word    i;\r
1144 \r
1145         while (!inpu.LastScan)\r
1146         {\r
1147                 if (inpu.MousePresent)\r
1148                 {\r
1149                         if (INL_GetMouseButtons())\r
1150                         {\r
1151                                 while (INL_GetMouseButtons())\r
1152                                         ;\r
1153                                 return;\r
1154                         }\r
1155                 }\r
1156 \r
1157                 for (i = 0;i < MaxJoys;i++)\r
1158                 {\r
1159                         if (inpu.JoysPresent[i])\r
1160                         {\r
1161                                 if (IN_GetJoyButtonsDB(i))\r
1162                                 {\r
1163                                         while (IN_GetJoyButtonsDB(i))\r
1164                                                 ;\r
1165                                         return;\r
1166                                 }\r
1167                         }\r
1168                 }\r
1169         }\r
1170 \r
1171         IN_ClearKey(inpu.LastScan);\r
1172         inpu.LastScan = sc_None;\r
1173 }\r
1174 \r
1175 ///////////////////////////////////////////////////////////////////////////\r
1176 //\r
1177 //      IN_Ack() - Clears user input & then calls IN_AckBack()\r
1178 //\r
1179 ///////////////////////////////////////////////////////////////////////////\r
1180 void\r
1181 IN_Ack()\r
1182 {\r
1183         word    i;\r
1184 \r
1185         if (!inst.IN_Started)\r
1186                 return;\r
1187 \r
1188         IN_ClearKey(inpu.LastScan);\r
1189         inpu.LastScan = sc_None;\r
1190 \r
1191         if (inpu.MousePresent)\r
1192                 while (INL_GetMouseButtons())\r
1193                                         ;\r
1194         for (i = 0;i < MaxJoys;i++)\r
1195                 if (inpu.JoysPresent[i])\r
1196                         while (IN_GetJoyButtonsDB(i))\r
1197                                 ;\r
1198 \r
1199         IN_AckBack();\r
1200 }\r
1201 \r
1202 ///////////////////////////////////////////////////////////////////////////\r
1203 //\r
1204 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1205 //              is down\r
1206 //\r
1207 ///////////////////////////////////////////////////////////////////////////\r
1208 boolean\r
1209 IN_IsUserInput()\r
1210 {\r
1211         boolean result;\r
1212         word    i;\r
1213 \r
1214         result = inpu.LastScan;\r
1215 \r
1216         if (inpu.MousePresent)\r
1217                 if (INL_GetMouseButtons())\r
1218                         result = true;\r
1219 \r
1220         for (i = 0;i < MaxJoys;i++)\r
1221                 if (inpu.JoysPresent[i])\r
1222                         if (INL_GetJoyButtons(i))\r
1223                                 result = true;\r
1224 \r
1225         return(result);\r
1226 }\r
1227 \r
1228 ///////////////////////////////////////////////////////////////////////////\r
1229 //\r
1230 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1231 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1232 //              then either clears the key or waits for the user to let the mouse\r
1233 //              button up.\r
1234 //\r
1235 ///////////////////////////////////////////////////////////////////////////\r
1236 boolean\r
1237 IN_UserInput(dword delay,boolean clear)\r
1238 {\r
1239         word TimeCount = *clockw;\r
1240         word    lasttime;\r
1241 \r
1242         lasttime = TimeCount;\r
1243         do\r
1244         {\r
1245                 if (IN_IsUserInput())\r
1246                 {\r
1247                         if (clear)\r
1248                                 IN_AckBack();\r
1249                         return(true);\r
1250                 }\r
1251         } while (TimeCount - lasttime < delay);\r
1252         return(false);\r
1253 }\r
1254 \r
1255 //===========================================================================\r
1256 \r
1257 /*\r
1258 ===================\r
1259 =\r
1260 = IN_MouseButtons\r
1261 =\r
1262 ===================\r
1263 */\r
1264 \r
1265 byte    IN_MouseButtons (void)\r
1266 {\r
1267         union REGS CPURegs;\r
1268         if (inpu.MousePresent)\r
1269         {\r
1270                 Mouse(MButtons);\r
1271                 return CPURegs.x.bx;\r
1272         }\r
1273         else\r
1274                 return 0;\r
1275 }\r
1276 \r
1277 \r
1278 /*\r
1279 ===================\r
1280 =\r
1281 = IN_JoyButtons\r
1282 =\r
1283 ===================\r
1284 */\r
1285 \r
1286 byte    IN_JoyButtons (void)\r
1287 {\r
1288         byte joybits;\r
1289 \r
1290         joybits = inp(0x201);   // Get all the joystick buttons\r
1291         joybits >>= 4;                          // only the high bits are useful\r
1292         joybits ^= 15;                          // return with 1=pressed\r
1293 \r
1294         return joybits;\r
1295 }\r
1296 \r
1297 boolean IN_KeyDown(byte code)\r
1298 {\r
1299 #ifdef __DEBUG_InputMgr__\r
1300         if(!dbg_nointest)\r
1301 #endif\r
1302         return inpu.Keyboard[code];\r
1303 #ifdef __DEBUG_InputMgr__\r
1304         else\r
1305                 if(dbg_nointest && kbhit())\r
1306                         return 1;\r
1307                 else\r
1308                         return 0;\r
1309 #endif\r
1310 }\r
1311 \r
1312 void IN_ClearKey(byte code)\r
1313 {\r
1314         inpu.Keyboard[code] = false;\r
1315         if(code == inpu.LastScan)\r
1316                 inpu.LastScan = sc_None;\r
1317         }\r
1318 \r
1319 boolean IN_qb(byte kee)\r
1320 {\r
1321 #ifdef __DEBUG_InputMgr__\r
1322         if(dbg_testkeyin) printf("%u\n", inpu.Keyboard[kee]);\r
1323 #endif\r
1324         if(inpu.Keyboard[kee]==true) return 1;\r
1325         else return 0;\r
1326 }\r
1327 \r
1328 ScanCode IN_GetLastScan()\r
1329 {\r
1330         return inpu.LastScan;\r
1331 }\r
1332 \r
1333 ScanCode IN_GetCurCode()\r
1334 {\r
1335         return inst.CurCode;\r
1336 }\r