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 \r
  41 boolean testkeyin=0,testcontrolnoisy=0,testctrltype=0;\r
  42 \r
  43 /*\r
  44 =============================================================================\r
  45 \r
  46                                         GLOBAL VARIABLES\r
  47 \r
  48 =============================================================================\r
  49 */\r
  50 struct inconfig\r
  51 {\r
  52         boolean                 MousePresent;\r
  53         boolean                 JoysPresent[MaxJoys];\r
  54         boolean         Keyboard[NumCodes];\r
  55         boolean         Paused;\r
  56         char            LastASCII;\r
  57         ScanCode        LastScan;\r
  58 \r
  59         KeyboardDef     KbdDefs[MaxKbds];\r
  60         JoystickDef     JoyDefs[MaxJoys];\r
  61 } inpu;\r
  62 \r
  63 //extern inconfig inpu;\r
  64 //inpu.KbdDefs = {0x1d,0x38,/*0x47,*/0x48,/*0x49,*/0x4b,0x4d,/*0x4f,*/0x50/*,0x51*/};\r
  65 \r
  66 /*\r
  67 =============================================================================\r
  68 \r
  69                                         LOCAL VARIABLES\r
  70 \r
  71 =============================================================================\r
  72 */\r
  73 \r
  74 #ifdef __cplusplus              /* Function must be declared C style */\r
  75 extern "C" {\r
  76 #endif\r
  77 \r
  78 static struct instat {\r
  79         boolean         IN_Started;\r
  80         boolean         CapsLock;\r
  81         ScanCode        CurCode,LastCode;\r
  82 } inst;\r
  83 \r
  84 static  void                    (*INL_KeyHook)(void);\r
  85 static  void interrupt  (*OldKeyVect)(void);\r
  86 static  char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
  87 \r
  88 static  byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
  89                                         {\r
  90 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
  91         0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
  92         'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
  93         'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
  94         'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
  95         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
  96         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
  97         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
  98         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
  99                                         },\r
 100                                         far ShiftNames[] =              // Shifted ASCII for scan codes\r
 101                                         {\r
 102 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 103         0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
 104         'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
 105         'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
 106         'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 107         0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
 108         '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 109         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 110         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 111                                         },\r
 112                                         far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
 113                                         {\r
 114 //       0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
 115         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
 116         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
 117         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
 118         0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
 119         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
 120         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
 121         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
 122         0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
 123                                         },\r
 124                                         *ScanNames[] =          // Scan code names with single chars\r
 125                                         {\r
 126         "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
 127         "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
 128         "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
 129         "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
 130         "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
 131         "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 132         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
 133         "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
 134                                         },      // DEBUG - consolidate these\r
 135                                         far ExtScanCodes[] =    // Scan codes with >1 char names\r
 136                                         {\r
 137         1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
 138         0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
 139         0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
 140         0x50,0x4b,0x4d,0x00\r
 141                                         },\r
 142                                         *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
 143                                         {\r
 144         "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
 145         "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
 146         "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
 147         "Down","Left","Right",""\r
 148                                         };\r
 149 \r
 150 static  Direction       DirTable[] =            // Quick lookup for total direction\r
 151                                         {\r
 152                                                 //dir_Nortinest,\r
 153                                                 dir_North,\r
 154                                                 dir_West,\r
 155                                                 dir_None,\r
 156                                                 dir_East,\r
 157                                                 dir_South\r
 158                                                 //dir_NorthEast,\r
 159                                                 //dir_Soutinest,\r
 160                                                 //,dir_SouthEast\r
 161                                         };\r
 162 #ifdef __cplusplus\r
 163 }\r
 164 #endif\r
 165 \r
 166 //      Internal routines\r
 167 ///////////////////////////////////////////////////////////////////////////\r
 168 //\r
 169 //      INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
 170 //\r
 171 ///////////////////////////////////////////////////////////////////////////\r
 172 void interrupt\r
 173 INL_KeyService()\r
 174 {\r
 175 static  boolean special;\r
 176                 byte    k,c;\r
 177                 register byte temp;\r
 178 \r
 179         k = inp(0x60);  // Get the scan code\r
 180 \r
 181         // Tell the XT keyboard controller to clear the key\r
 182         outp(0x61,(temp = inp(0x61)) | 0x80);\r
 183         outp(0x61,temp);\r
 184 \r
 185         if (k == 0xe0)          // Special key prefix\r
 186                 special = true;\r
 187         else if (k == 0xe1)     // Handle Pause key\r
 188                 inpu.Paused = true;\r
 189         else\r
 190         {\r
 191                 if (k & 0x80)   // Break code\r
 192                 {\r
 193                         k &= 0x7f;\r
 194 \r
 195 // DEBUG - handle special keys: ctl-alt-delete, print scrn\r
 196 \r
 197                         inpu.Keyboard[k] = false;\r
 198                 }\r
 199                 else                    // Make code\r
 200                 {\r
 201                         inst.LastCode = inst.CurCode;\r
 202                         inst.CurCode = inpu.LastScan = k;\r
 203                         inpu.Keyboard[k] = true;\r
 204 \r
 205                         if (special)\r
 206                                 c = SpecialNames[k];\r
 207                         else\r
 208                         {\r
 209                                 if (k == sc_CapsLock)\r
 210                                 {\r
 211                                         inst.CapsLock ^= true;\r
 212                                         // DEBUG - make caps lock light work\r
 213                                 }\r
 214 \r
 215                                 if (inpu.Keyboard[sc_LShift] || inpu.Keyboard[sc_RShift])       // If shifted\r
 216                                 {\r
 217                                         c = ShiftNames[k];\r
 218                                         if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
 219                                                 c += 'a' - 'A';\r
 220                                 }\r
 221                                 else\r
 222                                 {\r
 223                                         c = ASCIINames[k];\r
 224                                         if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
 225                                                 c -= 'a' - 'A';\r
 226                                 }\r
 227                         }\r
 228                         if (c)\r
 229                                 inpu.LastASCII = c;\r
 230                 }\r
 231 \r
 232                 special = false;\r
 233         }\r
 234 \r
 235         if (INL_KeyHook && !special)\r
 236                 INL_KeyHook();\r
 237 //#ifdef TESTKEYIN\r
 238         if(testkeyin > 0) printf("%c    %u      [0x%x %u]       %u\n", c, c, k, k, inpu.Keyboard[k]);\r
 239 //endif\r
 240         outp(0x20,0x20);\r
 241 }\r
 242 \r
 243 void\r
 244 Mouse(int x)\r
 245 {\r
 246         union REGS CPURegs;\r
 247         x = CPURegs.x.ax;\r
 248         int86(MouseInt,&CPURegs,&CPURegs);\r
 249 }\r
 250 \r
 251 ///////////////////////////////////////////////////////////////////////////\r
 252 //\r
 253 //      INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
 254 //              mouse driver\r
 255 //\r
 256 ///////////////////////////////////////////////////////////////////////////\r
 257 static void\r
 258 INL_GetMouseDelta(int *x,int *y)\r
 259 {\r
 260         union REGS CPURegs;\r
 261         Mouse(MDelta);\r
 262         *x = CPURegs.x.cx;\r
 263         *y = CPURegs.x.dx;\r
 264 }\r
 265 \r
 266 ///////////////////////////////////////////////////////////////////////////\r
 267 //\r
 268 //      INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
 269 //              mouse driver\r
 270 //\r
 271 ///////////////////////////////////////////////////////////////////////////\r
 272 static word\r
 273 INL_GetMouseButtons(void)\r
 274 {\r
 275         union REGS CPURegs;\r
 276         word    buttons;\r
 277 \r
 278         Mouse(MButtons);\r
 279         buttons = CPURegs.x.bx;\r
 280         return(buttons);\r
 281 }\r
 282 \r
 283 ///////////////////////////////////////////////////////////////////////////\r
 284 //\r
 285 //      IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
 286 //\r
 287 ///////////////////////////////////////////////////////////////////////////\r
 288 void\r
 289 IN_GetJoyAbs(word joy,word *xp,word *yp)\r
 290 {\r
 291         byte    xb,yb,\r
 292                         xs,ys;\r
 293         word    x,y;\r
 294 \r
 295         x = y = 0;\r
 296         xs = joy? 2 : 0;                // Find shift value for x axis\r
 297         xb = 1 << xs;                   // Use shift value to get x bit mask\r
 298         ys = joy? 3 : 1;                // Do the same for y axis\r
 299         yb = 1 << ys;\r
 300 \r
 301 // Read the absolute joystick values\r
 302         __asm\r
 303         {\r
 304                 pushf                           // Save some registers\r
 305                 push    si\r
 306                 push    di\r
 307                 cli                                     // Make sure an interrupt doesn't screw the timings\r
 308 \r
 309 \r
 310                 mov             dx,0x201\r
 311                 in              al,dx\r
 312                 out             dx,al           // Clear the resistors\r
 313 \r
 314                 mov             ah,[xb]         // Get masks into registers\r
 315                 mov             ch,[yb]\r
 316 \r
 317                 xor             si,si           // Clear count registers\r
 318                 xor             di,di\r
 319                 xor             bh,bh           // Clear high byte of bx for later\r
 320 \r
 321                 push    bp                      // Don't mess up stack frame\r
 322                 mov             bp,MaxJoyValue\r
 323 \r
 324 loo:\r
 325                 in              al,dx           // Get bits indicating whether all are finished\r
 326 \r
 327                 dec             bp                      // Check bounding register\r
 328                 jz              done            // We have a silly value - abort\r
 329 \r
 330                 mov             bl,al           // Duplicate the bits\r
 331                 and             bl,ah           // Mask off useless bits (in [xb])\r
 332                 add             si,bx           // Possibly increment count register\r
 333                 mov             cl,bl           // Save for testing later\r
 334 \r
 335                 mov             bl,al\r
 336                 and             bl,ch           // [yb]\r
 337                 add             di,bx\r
 338 \r
 339                 add             cl,bl\r
 340                 jnz             loo             // If both bits were 0, drop out\r
 341 \r
 342 done:\r
 343                 pop             bp\r
 344 \r
 345                 mov             cl,[xs]         // Get the number of bits to shift\r
 346                 shr             si,cl           //  and shift the count that many times\r
 347 \r
 348                 mov             cl,[ys]\r
 349                 shr             di,cl\r
 350 \r
 351                 mov             [x],si          // Store the values into the variables\r
 352                 mov             [y],di\r
 353 \r
 354                 pop             di\r
 355                 pop             si\r
 356                 popf                            // Restore the registers\r
 357         }\r
 358 \r
 359         *xp = x;\r
 360         *yp = y;\r
 361 }\r
 362 \r
 363 ///////////////////////////////////////////////////////////////////////////\r
 364 //\r
 365 //      INL_GetJoyDelta() - Returns the relative movement of the specified\r
 366 //              joystick (from +/-127, scaled adaptively)\r
 367 //\r
 368 ///////////////////////////////////////////////////////////////////////////\r
 369 static void\r
 370 INL_GetJoyDelta(word joy,int *dx,int *dy,boolean adaptive)\r
 371 {\r
 372         word            x,y;\r
 373         word    time;\r
 374         word TimeCount = *clockw;\r
 375         JoystickDef     *def;\r
 376 static  word    lasttime;\r
 377 \r
 378         IN_GetJoyAbs(joy,&x,&y);\r
 379         def = inpu.JoyDefs + joy;\r
 380 \r
 381         //TODO: inject p16 input controls!\r
 382         //which is this\r
 383         /*                      if(DIRECTIONIFELSE)\r
 384                         {\r
 385                         if(!inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]){\r
 386                                 if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]))\r
 387                                         my = motion_Up;\r
 388                                 if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up]))\r
 389                                         my = motion_Down;\r
 390                         }else if(!inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]){\r
 391                                 if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]))\r
 392                                         mx = motion_Left;\r
 393                                 if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left]))// || player[pn].pdir != 1)\r
 394                                         mx = motion_Right;\r
 395                         }else\r
 396                                 //if(mx+my!=1 && mx+my!=-1 && mx!=my!=0)\r
 397                                 {       //2 keys pressed\r
 398                                         switch (player[pn].pdir)\r
 399                                         {\r
 400                                                 case 0:\r
 401                                                 case 4:\r
 402                                                         if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right])) dir = DirTable[1];\r
 403                                                         else if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left])) dir = DirTable[3];\r
 404                                                 break;\r
 405                                                 case 1:\r
 406                                                 case 3:\r
 407                                                         if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down])) dir = DirTable[0];\r
 408                                                         else if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up])) dir = DirTable[4];\r
 409                                                 break;\r
 410                                                 default:\r
 411                                                 break;\r
 412                                         }\r
 413                                         if(testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c      ", dirchar(player[pn].pdir)); }\r
 414                                 }//else printf("                                ");\r
 415                         }*/\r
 416         if (x < def->threshMinX)\r
 417         {\r
 418                 if (x < def->joyMinX)\r
 419                         x = def->joyMinX;\r
 420 \r
 421                 x = -(x - def->threshMinX);\r
 422                 x *= def->joyMultXL;\r
 423                 x >>= JoyScaleShift;\r
 424                 *dx = (x > 127)? -127 : -x;\r
 425         }\r
 426         else if (x > def->threshMaxX)\r
 427         {\r
 428                 if (x > def->joyMaxX)\r
 429                         x = def->joyMaxX;\r
 430 \r
 431                 x = x - def->threshMaxX;\r
 432                 x *= def->joyMultXH;\r
 433                 x >>= JoyScaleShift;\r
 434                 *dx = (x > 127)? 127 : x;\r
 435         }\r
 436         else\r
 437                 *dx = 0;\r
 438 \r
 439         if (y < def->threshMinY)\r
 440         {\r
 441                 if (y < def->joyMinY)\r
 442                         y = def->joyMinY;\r
 443 \r
 444                 y = -(y - def->threshMinY);\r
 445                 y *= def->joyMultYL;\r
 446                 y >>= JoyScaleShift;\r
 447                 *dy = (y > 127)? -127 : -y;\r
 448         }\r
 449         else if (y > def->threshMaxY)\r
 450         {\r
 451                 if (y > def->joyMaxY)\r
 452                         y = def->joyMaxY;\r
 453 \r
 454                 y = y - def->threshMaxY;\r
 455                 y *= def->joyMultYH;\r
 456                 y >>= JoyScaleShift;\r
 457                 *dy = (y > 127)? 127 : y;\r
 458         }\r
 459         else\r
 460                 *dy = 0;\r
 461 \r
 462         if (adaptive)\r
 463         {\r
 464                 time = (TimeCount - lasttime) / 2;\r
 465                 if (time)\r
 466                 {\r
 467                         if (time > 8)\r
 468                                 time = 8;\r
 469                         *dx *= time;\r
 470                         *dy *= time;\r
 471                 }\r
 472         }\r
 473         lasttime = TimeCount;\r
 474 }\r
 475 \r
 476 ///////////////////////////////////////////////////////////////////////////\r
 477 //\r
 478 //      INL_GetJoyButtons() - Returns the button status of the specified\r
 479 //              joystick\r
 480 //\r
 481 ///////////////////////////////////////////////////////////////////////////\r
 482 static word\r
 483 INL_GetJoyButtons(word joy)\r
 484 {\r
 485 register        word    result;\r
 486 \r
 487         result = inp(0x201);    // Get all the joystick buttons\r
 488         result >>= joy? 6 : 4;  // Shift into bits 0-1\r
 489         result &= 3;                            // Mask off the useless bits\r
 490         result ^= 3;\r
 491         return(result);\r
 492 }\r
 493 \r
 494 ///////////////////////////////////////////////////////////////////////////\r
 495 //\r
 496 //      IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
 497 //              specified joystick\r
 498 //\r
 499 ///////////////////////////////////////////////////////////////////////////\r
 500 word\r
 501 IN_GetJoyButtonsDB(word joy)\r
 502 {\r
 503         word TimeCount = *clockw;\r
 504         word    lasttime;\r
 505         word            result1,result2;\r
 506 \r
 507         do\r
 508         {\r
 509                 result1 = INL_GetJoyButtons(joy);\r
 510                 lasttime = TimeCount;\r
 511                 while(TimeCount == lasttime)\r
 512                 result2 = INL_GetJoyButtons(joy);\r
 513         } while(result1 != result2);\r
 514         return(result1);\r
 515 }\r
 516 \r
 517 ///////////////////////////////////////////////////////////////////////////\r
 518 //\r
 519 //      INL_StartKbd() - Sets up my keyboard stuff for use\r
 520 //\r
 521 ///////////////////////////////////////////////////////////////////////////\r
 522 static void\r
 523 INL_StartKbd()\r
 524 {\r
 525         INL_KeyHook = 0;        // Clear key hook\r
 526 \r
 527         IN_ClearKeysDown();\r
 528 \r
 529         OldKeyVect = _dos_getvect(KeyInt);\r
 530         _dos_setvect(KeyInt,INL_KeyService);\r
 531 }\r
 532 \r
 533 ///////////////////////////////////////////////////////////////////////////\r
 534 //\r
 535 //      INL_ShutKbd() - Restores keyboard control to the BIOS\r
 536 //\r
 537 ///////////////////////////////////////////////////////////////////////////\r
 538 static void\r
 539 INL_ShutKbd(void)\r
 540 {\r
 541         pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
 542 \r
 543         _dos_setvect(KeyInt,OldKeyVect);\r
 544 }\r
 545 \r
 546 ///////////////////////////////////////////////////////////////////////////\r
 547 //\r
 548 //      INL_StartMouse() - Detects and sets up the mouse\r
 549 //\r
 550 ///////////////////////////////////////////////////////////////////////////\r
 551 static boolean\r
 552 INL_StartMouse(void)\r
 553 {\r
 554         union REGS CPURegs;\r
 555         if(_dos_getvect(MouseInt))\r
 556         {\r
 557                 Mouse(MReset);\r
 558                 if(CPURegs.x.ax == 0xffff)\r
 559                         return(true);\r
 560         }\r
 561         return(false);\r
 562 }\r
 563 \r
 564 ///////////////////////////////////////////////////////////////////////////\r
 565 //\r
 566 //      INL_ShutMouse() - Cleans up after the mouse\r
 567 //\r
 568 ///////////////////////////////////////////////////////////////////////////\r
 569 static void\r
 570 INL_ShutMouse(void)\r
 571 {\r
 572 }\r
 573 \r
 574 //\r
 575 //      INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
 576 //\r
 577 static void\r
 578 INL_SetJoyScale(word joy)\r
 579 {\r
 580         JoystickDef     *def;\r
 581 \r
 582         def = &(inpu.JoyDefs[joy]);\r
 583         def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
 584         def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
 585         def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
 586         def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
 587 }\r
 588 \r
 589 ///////////////////////////////////////////////////////////////////////////\r
 590 //\r
 591 //      IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
 592 //              to set up scaling values\r
 593 //\r
 594 ///////////////////////////////////////////////////////////////////////////\r
 595 void\r
 596 IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy)\r
 597 {\r
 598         word            d,r;\r
 599         JoystickDef     *def;\r
 600 \r
 601         def = &(inpu.JoyDefs[joy]);\r
 602 \r
 603         def->joyMinX = minx;\r
 604         def->joyMaxX = maxx;\r
 605         r = maxx - minx;\r
 606         d = r / 3;\r
 607         def->threshMinX = ((r / 2) - d) + minx;\r
 608         def->threshMaxX = ((r / 2) + d) + minx;\r
 609 \r
 610         def->joyMinY = miny;\r
 611         def->joyMaxY = maxy;\r
 612         r = maxy - miny;\r
 613         d = r / 3;\r
 614         def->threshMinY = ((r / 2) - d) + miny;\r
 615         def->threshMaxY = ((r / 2) + d) + miny;\r
 616 \r
 617         INL_SetJoyScale(joy);\r
 618 }\r
 619 \r
 620 ///////////////////////////////////////////////////////////////////////////\r
 621 //\r
 622 //      INL_StartJoy() - Detects & auto-configures the specified joystick\r
 623 //                                      The auto-config assumes the joystick is centered\r
 624 //\r
 625 ///////////////////////////////////////////////////////////////////////////\r
 626 static boolean\r
 627 INL_StartJoy(word joy)\r
 628 {\r
 629         word            x,y;\r
 630 \r
 631         IN_GetJoyAbs(joy,&x,&y);\r
 632 \r
 633         if\r
 634         (\r
 635                 ((x == 0) || (x > MaxJoyValue - 10))\r
 636         ||      ((y == 0) || (y > MaxJoyValue - 10))\r
 637         )\r
 638                 return(false);\r
 639         else\r
 640         {\r
 641                 IN_SetupJoy(joy,0,x * 2,0,y * 2);\r
 642                 return(true);\r
 643         }\r
 644 }\r
 645 \r
 646 ///////////////////////////////////////////////////////////////////////////\r
 647 //\r
 648 //      INL_ShutJoy() - Cleans up the joystick stuff\r
 649 //\r
 650 ///////////////////////////////////////////////////////////////////////////\r
 651 static void\r
 652 INL_ShutJoy(word joy)\r
 653 {\r
 654         inpu.JoysPresent[joy] = false;\r
 655 }\r
 656 \r
 657 //      Public routines\r
 658 \r
 659 ///////////////////////////////////////////////////////////////////////////\r
 660 //\r
 661 //      IN_Startup() - Starts up the Input Mgr\r
 662 //\r
 663 ///////////////////////////////////////////////////////////////////////////\r
 664 void\r
 665 IN_Startup()\r
 666 {\r
 667         boolean checkjoys,checkmouse;\r
 668         word    i;\r
 669 \r
 670         if (inst.IN_Started)\r
 671                 return;\r
 672 \r
 673         checkjoys = true;\r
 674         checkmouse = true;\r
 675         for (i = 1;i < __argc;i++)\r
 676         {\r
 677                 switch (US_CheckParm(__argv[i],ParmStringsIN))\r
 678                 {\r
 679                 case 0:\r
 680                         checkjoys = false;\r
 681                         break;\r
 682                 case 1:\r
 683                         checkmouse = false;\r
 684                         break;\r
 685                 }\r
 686         }\r
 687 \r
 688         INL_StartKbd();\r
 689         inpu.MousePresent = checkmouse? INL_StartMouse() : false;\r
 690 \r
 691         for (i = 0;i < MaxJoys;i++)\r
 692                 inpu.JoysPresent[i] = checkjoys? INL_StartJoy(i) : false;\r
 693 \r
 694         inst.IN_Started = true;\r
 695 \r
 696 }\r
 697 \r
 698 ///////////////////////////////////////////////////////////////////////////\r
 699 //\r
 700 //      IN_Default() - Sets up default conditions for the Input Mgr\r
 701 //\r
 702 ///////////////////////////////////////////////////////////////////////////\r
 703 void\r
 704 IN_Default(boolean gotit,player_t *player,ControlType nt)\r
 705 {\r
 706         int i;\r
 707         if(testctrltype==0)\r
 708         if\r
 709         (\r
 710                 (!gotit)\r
 711         ||      ((nt == ctrl_Joystick1) && !inpu.JoysPresent[0])\r
 712         ||      ((nt == ctrl_Joystick2) && !inpu.JoysPresent[1])\r
 713         ||      ((nt == ctrl_Mouse) && !inpu.MousePresent)\r
 714         )\r
 715                 nt = ctrl_Keyboard1;\r
 716         inpu.KbdDefs[0].button0 = 0x1c;\r
 717         inpu.KbdDefs[0].button1 = 0x38;\r
 718         //in.KbdDefs[0].upleft = 0x47;\r
 719         inpu.KbdDefs[0].up = 0x48;\r
 720         //in.KbdDefs[0].upright = 0x49;\r
 721         inpu.KbdDefs[0].left = 0x4b;\r
 722         inpu.KbdDefs[0].right = 0x4d;\r
 723         //in.KbdDefs[0].downleft = 0x4f;\r
 724         inpu.KbdDefs[0].down = 0x50;\r
 725         //in.KbdDefs[0].downright = 0x51;\r
 726         IN_SetControlType(0,player,nt);\r
 727         for(i=0; i>MaxPlayers;i++)\r
 728                 player[i].d=2;\r
 729 }\r
 730 \r
 731 ///////////////////////////////////////////////////////////////////////////\r
 732 //\r
 733 //      IN_Shutdown() - Shuts down the Input Mgr\r
 734 //\r
 735 ///////////////////////////////////////////////////////////////////////////\r
 736 void\r
 737 IN_Shutdown()\r
 738 {\r
 739         word    i;\r
 740 \r
 741         if (!inst.IN_Started)\r
 742                 return;\r
 743 \r
 744         INL_ShutMouse();\r
 745         for (i = 0;i < MaxJoys;i++)\r
 746                 INL_ShutJoy(i);\r
 747         INL_ShutKbd();\r
 748 \r
 749         inst.IN_Started = false;\r
 750 }\r
 751 \r
 752 ///////////////////////////////////////////////////////////////////////////\r
 753 //\r
 754 //      IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
 755 //                      everytime a real make/break code gets hit\r
 756 //\r
 757 ///////////////////////////////////////////////////////////////////////////\r
 758 void\r
 759 IN_SetKeyHook(void (*hook)())\r
 760 {\r
 761         INL_KeyHook = hook;\r
 762 }\r
 763 \r
 764 ///////////////////////////////////////////////////////////////////////////\r
 765 //\r
 766 //      IN_ClearKeyDown() - Clears the keyboard array\r
 767 //\r
 768 ///////////////////////////////////////////////////////////////////////////\r
 769 void\r
 770 IN_ClearKeysDown()\r
 771 {\r
 772         int     i;\r
 773 \r
 774         inpu.LastScan = sc_None;\r
 775         inpu.LastASCII = key_None;\r
 776         memset (inpu.Keyboard,0,sizeof(inpu.Keyboard));\r
 777 }\r
 778 \r
 779 ///////////////////////////////////////////////////////////////////////////\r
 780 //\r
 781 //      INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
 782 //\r
 783 ///////////////////////////////////////////////////////////////////////////\r
 784 static void\r
 785 INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
 786 {\r
 787         if (buttons & (1 << 0))\r
 788                 info->button0 = true;\r
 789         if (buttons & (1 << 1))\r
 790                 info->button1 = true;\r
 791 \r
 792         info->x += dx;\r
 793         info->y += dy;\r
 794 }\r
 795 \r
 796 ///////////////////////////////////////////////////////////////////////////\r
 797 //\r
 798 //      IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
 799 //              struct\r
 800 //\r
 801 ///////////////////////////////////////////////////////////////////////////\r
 802 void\r
 803 IN_ReadCursor(CursorInfo *info)\r
 804 {\r
 805         word    i,\r
 806                         buttons;\r
 807         int             dx,dy;\r
 808 \r
 809         info->x = info->y = 0;\r
 810         info->button0 = info->button1 = false;\r
 811 \r
 812         if (inpu.MousePresent)\r
 813         {\r
 814                 buttons = INL_GetMouseButtons();\r
 815                 INL_GetMouseDelta(&dx,&dy);\r
 816                 INL_AdjustCursor(info,buttons,dx,dy);\r
 817         }\r
 818 \r
 819         for (i = 0;i < MaxJoys;i++)\r
 820         {\r
 821                 if (!inpu.JoysPresent[i])\r
 822                         continue;\r
 823 \r
 824                 buttons = INL_GetJoyButtons(i);\r
 825                 INL_GetJoyDelta(i,&dx,&dy,true);\r
 826                 dx /= 64;\r
 827                 dy /= 64;\r
 828                 INL_AdjustCursor(info,buttons,dx,dy);\r
 829         }\r
 830 }\r
 831 \r
 832 ///////////////////////////////////////////////////////////////////////////\r
 833 //\r
 834 //      IN_ReadControl() - Reads the device associated with the specified\r
 835 //              player and fills in the control info struct\r
 836 //\r
 837 ///////////////////////////////////////////////////////////////////////////\r
 838 void near\r
 839 IN_ReadControl(int pn,player_t *player)\r
 840 {\r
 841                         boolean         realdelta;\r
 842                         byte            dbyte;\r
 843                         word            buttons;\r
 844                         int                     dx,dy;\r
 845                         Motion          mx,my;\r
 846                         ControlType     type;\r
 847                         sword conpee;\r
 848                         byte dir=DirTable[2];\r
 849 register        KeyboardDef     *def;\r
 850 \r
 851         dx = dy = 0;\r
 852         mx = my = motion_None;\r
 853         buttons = 0;\r
 854 \r
 855 #if DEMO0\r
 856         if (DemoMode == demo_Playback)\r
 857         {\r
 858                 dbyte = DemoBuffer[DemoOffset + 1];\r
 859                 my = (dbyte & 3) - 1;\r
 860                 mx = ((dbyte >> 2) & 3) - 1;\r
 861                 buttons = (dbyte >> 4) & 3;\r
 862 \r
 863                 if (!(--DemoBuffer[DemoOffset]))\r
 864                 {\r
 865                         DemoOffset += 2;\r
 866                         if (DemoOffset >= DemoSize)\r
 867                                 DemoMode = demo_PlayDone;\r
 868                 }\r
 869 \r
 870                 realdelta = false;\r
 871         }\r
 872         else if (DemoMode == demo_PlayDone)\r
 873                 Quit("Demo playback exceeded");\r
 874         else\r
 875         {\r
 876 #endif\r
 877                 if(testctrltype>0) printf("player[pn].Controls=%c\n", player[pn].Controls);\r
 878                 switch (type = player[pn].Controls)\r
 879                 {\r
 880                 case ctrl_Keyboard1:\r
 881                 case ctrl_Keyboard2:\r
 882                         def = &(inpu.KbdDefs[type - ctrl_Keyboard]);\r
 883 \r
 884 /*                      if (Keyboard[def->upleft])\r
 885                                 mx = motion_Left,my = motion_Up;\r
 886                         else if (Keyboard[def->upright])\r
 887                                 mx = motion_Right,my = motion_Up;\r
 888                         else if (Keyboard[def->downleft])\r
 889                                 mx = motion_Left,my = motion_Down;\r
 890                         else if (Keyboard[def->downright])\r
 891                                 mx = motion_Right,my = motion_Down;*/\r
 892                         if(DIRECTIONIFELSE)\r
 893                         {\r
 894                         if(!inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]){\r
 895                                 if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]))\r
 896                                         my = motion_Up;\r
 897                                 if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up]))\r
 898                                         my = motion_Down;\r
 899                         }else if(!inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]){\r
 900                                 if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]))\r
 901                                         mx = motion_Left;\r
 902                                 if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left]))// || player[pn].pdir != 1)\r
 903                                         mx = motion_Right;\r
 904                         }else\r
 905                                 //if(mx+my!=1 && mx+my!=-1 && mx!=my!=0)\r
 906                                 {       //2 keys pressed\r
 907                                         switch (player[pn].pdir)\r
 908                                         {\r
 909                                                 case 0:\r
 910                                                 case 4:\r
 911                                                         if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right])) dir = DirTable[1];\r
 912                                                         else if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left])) dir = DirTable[3];\r
 913                                                 break;\r
 914                                                 case 1:\r
 915                                                 case 3:\r
 916                                                         if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down])) dir = DirTable[0];\r
 917                                                         else if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up])) dir = DirTable[4];\r
 918                                                 break;\r
 919                                                 default:\r
 920                                                 break;\r
 921                                         }\r
 922                                         if(testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c      ", dirchar(player[pn].pdir)); }\r
 923                                 }//else printf("                                ");\r
 924                         }\r
 925                         //input from player\r
 926                         if (inpu.Keyboard[def->button0])\r
 927                                 buttons += 1 << 0;\r
 928                         if (inpu.Keyboard[def->button1])\r
 929                                 buttons += 1 << 1;\r
 930                         realdelta = false;\r
 931                         break;\r
 932                 case ctrl_Joystick1:\r
 933                 case ctrl_Joystick2:\r
 934                         INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy,false);\r
 935                         buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
 936                         realdelta = true;\r
 937                         break;\r
 938                 case ctrl_Mouse:\r
 939                         INL_GetMouseDelta(&dx,&dy);\r
 940                         buttons = INL_GetMouseButtons();\r
 941                         realdelta = true;\r
 942                         break;\r
 943                 }\r
 944 #ifdef DEMO0\r
 945         }\r
 946 #endif\r
 947 \r
 948         if (realdelta)\r
 949         {\r
 950                 mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
 951                 my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
 952         }\r
 953         else\r
 954         {\r
 955                 dx = mx;// * 127;\r
 956                 dy = my;// * 127;\r
 957         }\r
 958 \r
 959         player[pn].info.x = dx;\r
 960         player[pn].info.xaxis = mx;\r
 961         player[pn].info.y = dy;\r
 962         player[pn].info.yaxis = my;\r
 963         player[pn].info.button0 = buttons & (1 << 0);\r
 964         player[pn].info.button1 = buttons & (1 << 1);\r
 965         player[pn].info.button2 = buttons & (1 << 2);\r
 966         player[pn].info.button3 = buttons & (1 << 3);\r
 967 //      player[pn].info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
 968         conpee=(((my + 1) * 2) + (mx + 1))-1;\r
 969         player[pn].info.dir = DirTable[conpee];\r
 970 \r
 971         if(DirTable[conpee]!=2) player[pn].pdir=DirTable[conpee];\r
 972         if(player[pn].q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
 973         {\r
 974                 if(dir==2) player[pn].d = player[pn].info.dir;\r
 975                 else player[pn].d = DirTable[dir];\r
 976         }\r
 977 \r
 978 #if DEMO0\r
 979         if (DemoMode == demo_Record)\r
 980         {\r
 981                 // Pack the control info into a byte\r
 982                 dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
 983 \r
 984                 if\r
 985                 (\r
 986                         (DemoBuffer[DemoOffset + 1] == dbyte)\r
 987                 &&      (DemoBuffer[DemoOffset] < 255)\r
 988                 )\r
 989                         (DemoBuffer[DemoOffset])++;\r
 990                 else\r
 991                 {\r
 992                         if (DemoOffset || DemoBuffer[DemoOffset])\r
 993                                 DemoOffset += 2;\r
 994 \r
 995                         if (DemoOffset >= DemoSize)\r
 996                                 Quit("Demo buffer overflow");\r
 997 \r
 998                         DemoBuffer[DemoOffset] = 1;\r
 999                         DemoBuffer[DemoOffset + 1] = dbyte;\r
1000                 }\r
1001         }\r
1002 #endif\r
1003 //#ifdef TESTCONTROLNOISY\r
1004 if(testcontrolnoisy > 0)\r
1005 if((inpu.Keyboard[def->up] || inpu.Keyboard[def->down] || inpu.Keyboard[def->left] || inpu.Keyboard[def->right]) || player[pn].q>1)\r
1006 {\r
1007         printf("q=%d ", player[pn].q);\r
1008         printf("cpee=%c ", dirchar(conpee));\r
1009         //printf("(mx)=%d       ", mx);\r
1010         //printf("(my)=%d       ", my);\r
1011         //printf("[%d]  ", mx+my);\r
1012         printf("pdir=%c d=%c dir=%c ", dirchar(player[pn].pdir), dirchar(player[pn].d), dirchar(player[pn].info.dir));\r
1013         printf("%c%d %c%d %c%d %c%d\n", 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
1014 }\r
1015 //#endif\r
1016 }\r
1017 \r
1018 ///////////////////////////////////////////////////////////////////////////\r
1019 //\r
1020 //      IN_SetControlType() - Sets the control type to be used by the specified\r
1021 //              player\r
1022 //\r
1023 ///////////////////////////////////////////////////////////////////////////\r
1024 void\r
1025 IN_SetControlType(word pn,player_t *player,ControlType type)\r
1026 {\r
1027         // DEBUG - check that requested type is present?\r
1028         player[pn].Controls = type;\r
1029 }\r
1030 \r
1031 #if DEMO0\r
1032 ///////////////////////////////////////////////////////////////////////////\r
1033 //\r
1034 //      IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
1035 //              size passed. Returns if the buffer allocation was successful\r
1036 //\r
1037 ///////////////////////////////////////////////////////////////////////////\r
1038 boolean\r
1039 IN_StartDemoRecord(word bufsize)\r
1040 {\r
1041         if (!bufsize)\r
1042                 return(false);\r
1043 \r
1044         MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
1045         DemoMode = demo_Record;\r
1046         DemoSize = bufsize & ~1;\r
1047         DemoOffset = 0;\r
1048         DemoBuffer[0] = DemoBuffer[1] = 0;\r
1049 \r
1050         return(true);\r
1051 }\r
1052 \r
1053 ///////////////////////////////////////////////////////////////////////////\r
1054 //\r
1055 //      IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
1056 //\r
1057 ///////////////////////////////////////////////////////////////////////////\r
1058 void\r
1059 IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
1060 {\r
1061         DemoBuffer = buffer;\r
1062         DemoMode = demo_Playback;\r
1063         DemoSize = bufsize & ~1;\r
1064         DemoOffset = 0;\r
1065 }\r
1066 \r
1067 ///////////////////////////////////////////////////////////////////////////\r
1068 //\r
1069 //      IN_StopDemo() - Turns off demo mode\r
1070 //\r
1071 ///////////////////////////////////////////////////////////////////////////\r
1072 void\r
1073 IN_StopDemo(void)\r
1074 {\r
1075         if ((DemoMode == demo_Record) && DemoOffset)\r
1076                 DemoOffset += 2;\r
1077 \r
1078         DemoMode = demo_Off;\r
1079 }\r
1080 \r
1081 ///////////////////////////////////////////////////////////////////////////\r
1082 //\r
1083 //      IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
1084 //\r
1085 ///////////////////////////////////////////////////////////////////////////\r
1086 void\r
1087 IN_FreeDemoBuffer(void)\r
1088 {\r
1089         if (DemoBuffer)\r
1090                 MM_FreePtr((memptr *)&DemoBuffer);\r
1091 }\r
1092 #endif\r
1093 \r
1094 \r
1095 ///////////////////////////////////////////////////////////////////////////\r
1096 //\r
1097 //      IN_GetScanName() - Returns a string containing the name of the\r
1098 //              specified scan code\r
1099 //\r
1100 ///////////////////////////////////////////////////////////////////////////\r
1101 byte *\r
1102 IN_GetScanName(ScanCode scan)\r
1103 {\r
1104         byte            **p;\r
1105         ScanCode        far *s;\r
1106 \r
1107         for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
1108                 if (*s == scan)\r
1109                         return(*p);\r
1110 \r
1111         return(ScanNames[scan]);\r
1112 }\r
1113 \r
1114 ///////////////////////////////////////////////////////////////////////////\r
1115 //\r
1116 //      IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
1117 //              returns the scan code\r
1118 //\r
1119 ///////////////////////////////////////////////////////////////////////////\r
1120 ScanCode\r
1121 IN_WaitForKey()\r
1122 {\r
1123         ScanCode        result;\r
1124 \r
1125         while (!(result = inpu.LastScan))\r
1126                 ;\r
1127         inpu.LastScan = 0;\r
1128         return(result);\r
1129 }\r
1130 \r
1131 ///////////////////////////////////////////////////////////////////////////\r
1132 //\r
1133 //      IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
1134 //              returns the ASCII value\r
1135 //\r
1136 ///////////////////////////////////////////////////////////////////////////\r
1137 char\r
1138 IN_WaitForASCII()\r
1139 {\r
1140         char            result;\r
1141 \r
1142         while (!(result = inpu.LastASCII))\r
1143                 ;\r
1144         inpu.LastASCII = '\0';\r
1145         return(result);\r
1146 }\r
1147 \r
1148 ///////////////////////////////////////////////////////////////////////////\r
1149 //\r
1150 //      IN_AckBack() - Waits for either an ASCII keypress or a button press\r
1151 //\r
1152 ///////////////////////////////////////////////////////////////////////////\r
1153 void\r
1154 IN_AckBack()\r
1155 {\r
1156         word    i;\r
1157 \r
1158         while (!inpu.LastScan)\r
1159         {\r
1160                 if (inpu.MousePresent)\r
1161                 {\r
1162                         if (INL_GetMouseButtons())\r
1163                         {\r
1164                                 while (INL_GetMouseButtons())\r
1165                                         ;\r
1166                                 return;\r
1167                         }\r
1168                 }\r
1169 \r
1170                 for (i = 0;i < MaxJoys;i++)\r
1171                 {\r
1172                         if (inpu.JoysPresent[i])\r
1173                         {\r
1174                                 if (IN_GetJoyButtonsDB(i))\r
1175                                 {\r
1176                                         while (IN_GetJoyButtonsDB(i))\r
1177                                                 ;\r
1178                                         return;\r
1179                                 }\r
1180                         }\r
1181                 }\r
1182         }\r
1183 \r
1184         IN_ClearKey(inpu.LastScan);\r
1185         inpu.LastScan = sc_None;\r
1186 }\r
1187 \r
1188 ///////////////////////////////////////////////////////////////////////////\r
1189 //\r
1190 //      IN_Ack() - Clears user input & then calls IN_AckBack()\r
1191 //\r
1192 ///////////////////////////////////////////////////////////////////////////\r
1193 void\r
1194 IN_Ack()\r
1195 {\r
1196         word    i;\r
1197 \r
1198         IN_ClearKey(inpu.LastScan);\r
1199         inpu.LastScan = sc_None;\r
1200 \r
1201         if (inpu.MousePresent)\r
1202                 while (INL_GetMouseButtons())\r
1203                                         ;\r
1204         for (i = 0;i < MaxJoys;i++)\r
1205                 if (inpu.JoysPresent[i])\r
1206                         while (IN_GetJoyButtonsDB(i))\r
1207                                 ;\r
1208 \r
1209         IN_AckBack();\r
1210 }\r
1211 \r
1212 ///////////////////////////////////////////////////////////////////////////\r
1213 //\r
1214 //      IN_IsUserInput() - Returns true if a key has been pressed or a button\r
1215 //              is down\r
1216 //\r
1217 ///////////////////////////////////////////////////////////////////////////\r
1218 boolean\r
1219 IN_IsUserInput()\r
1220 {\r
1221         boolean result;\r
1222         word    i;\r
1223 \r
1224         result = inpu.LastScan;\r
1225 \r
1226         if (inpu.MousePresent)\r
1227                 if (INL_GetMouseButtons())\r
1228                         result = true;\r
1229 \r
1230         for (i = 0;i < MaxJoys;i++)\r
1231                 if (inpu.JoysPresent[i])\r
1232                         if (INL_GetJoyButtons(i))\r
1233                                 result = true;\r
1234 \r
1235         return(result);\r
1236 }\r
1237 \r
1238 ///////////////////////////////////////////////////////////////////////////\r
1239 //\r
1240 //      IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
1241 //              user pressing a key or a mouse button. If the clear flag is set, it\r
1242 //              then either clears the key or waits for the user to let the mouse\r
1243 //              button up.\r
1244 //\r
1245 ///////////////////////////////////////////////////////////////////////////\r
1246 boolean\r
1247 IN_UserInput(dword delay,boolean clear)\r
1248 {\r
1249         word TimeCount = *clockw;\r
1250         word    lasttime;\r
1251 \r
1252         lasttime = TimeCount;\r
1253         do\r
1254         {\r
1255                 if (IN_IsUserInput())\r
1256                 {\r
1257                         if (clear)\r
1258                                 IN_AckBack();\r
1259                         return(true);\r
1260                 }\r
1261         } while (TimeCount - lasttime < delay);\r
1262         return(false);\r
1263 }\r
1264 \r
1265 boolean IN_KeyDown(byte code)\r
1266 {\r
1267         return inpu.Keyboard[code];\r
1268 }\r
1269 \r
1270 void IN_ClearKey(byte code)\r
1271 {\r
1272         inpu.Keyboard[code] = false;\r
1273         if(code == inpu.LastScan)\r
1274                 inpu.LastScan = sc_None;\r
1275         }\r
1276 \r
1277 boolean IN_qb(byte kee)\r
1278 {\r
1279 //#ifdef TESTKEYIN\r
1280 //      if(testkeyin > 0) printf("%u\n", inpu.Keyboard[kee]);\r
1281 //#endif\r
1282         if(inpu.Keyboard[kee]==true) return 1;\r
1283         else return 0;\r
1284 }\r