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