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[mirrors/Programs.git] / php / tictactoe.php

<?php\r
//Tic-Tac-Toe\r
//<- Harvie 2oo7\r
/*\r
Inspired by WarGames ;D\r
*/\r
\r
echo("Tic-Tac-Toe (<- Harvie 2oo7)\n");\r
echo("Inspired by WarGames ;D\n");\r
\r
//Settings////////////////////////////////////////////////////////\r
  //Skin:\r
    $cross = "X";\r
    $circl = "O";\r
    $versep = "|";\r
    $horsep = "-";\r
    $ttt = " 123456789";\r
  //First player:\r
    $p = false; //false - O; true - X;\r
  //Artificial inteligency:\r
    $ai = 0; /* AI (very poor == rand(1,9) ;)\r
    Settings:\r
    0 - Circle\r
    1 - Cross\r
    2 - Disabled\r
    3 - PCvsPC\r
    */\r
\r
//Functions//////////////////////////////////////////////////////\r
//\r
function ttt_print($ttt) {\r
  $v = $GLOBALS["versep"];\r
  $h = $GLOBALS["horsep"];\r
\r
  echo("\n");\r
  echo($ttt[7].$v.$ttt[8].$v.$ttt[9]."\n");\r
  echo("$h$h$h$h$h\n");\r
  echo($ttt[4].$v.$ttt[5].$v.$ttt[6]."\n");\r
  echo("$h$h$h$h$h\n");\r
  echo($ttt[1].$v.$ttt[2].$v.$ttt[3]."\n");\r
  echo("\n");\r
}\r
\r
//\r
function ttt_match($ttt, $place, $player) {\r
  $x = $GLOBALS["cross"];\r
  $o = $GLOBALS["circl"];\r
  \r
  if( ($place>0 && $place<10) && ($ttt[$place] != $x && $ttt[$place] != $o) &&  is_numeric($place) ) {\r
    $ttt[$place] = $player;\r
  } else { $GLOBALS["err"] = true; }\r
  return $ttt;\r
}\r
\r
//\r
function ttt_check($ttt) {\r
  $x = $GLOBALS["cross"];\r
  $o = $GLOBALS["circl"];\r
  //Horizontal\r
  if( $ttt[7] == $ttt[8] && $ttt[8] == $ttt[9] ) { return 1; }\r
  if( $ttt[4] == $ttt[5] && $ttt[5] == $ttt[6] ) { return 1; }\r
  if( $ttt[1] == $ttt[2] && $ttt[2] == $ttt[3] ) { return 1; }\r
  //Vertical\r
  if( $ttt[7] == $ttt[4] && $ttt[4] == $ttt[1] ) { return 1; }\r
  if( $ttt[8] == $ttt[5] && $ttt[5] == $ttt[2] ) { return 1; }\r
  if( $ttt[9] == $ttt[6] && $ttt[6] == $ttt[3] ) { return 1; }\r
  //Diagonal\r
  if( $ttt[7] == $ttt[5] && $ttt[5] == $ttt[3] ) { return 1; }\r
  if( $ttt[1] == $ttt[5] && $ttt[5] == $ttt[9] ) { return 1; }\r
  //Nobody won\r
  for($i=1;$i<strlen($ttt);$i++) {\r
    if($ttt[$i] != $x && $ttt[$i] != $o) { return 0; }\r
  }\r
  return -1;\r
}\r
\r
//Code///////////////////////////////////////////////////////////\r
\r
//Init///////////////////////////////////////////////////////////\r
$__STDIN__ = fopen("php://stdin", "rb");\r
$err = false;\r
srand(time());\r
\r
//Go/////////////////////////////////////////////////////////////\r
ttt_print($ttt);\r
while(1) {\r
  if($p) { $player = $cross; } else { $player = $circl; }\r
  \r
  echo("$player:");\r
  \r
  if( ($p == $ai || $ai == 3) && $ai != 2 ) {\r
    $c = rand(1,9);\r
    echo($c);\r
  } else {\r
    $c = "nan";\r
    while( !is_numeric($c) ) { $c = fgetc($__STDIN__); }\r
    //echo($c); //Debug    \r
  }\r
  \r
  $ttt = ttt_match($ttt, $c, $player); if($err) { $err = false; continue; }\r
  elseif( ($p == $ai || $ai == 3) && $ai != 2 ) { echo("\n"); }\r
  \r
  ttt_print($ttt);\r
  \r
  if(ttt_check($ttt) == -1) { echo("!!! Nobody won !!!\n"); break; }\r
  if(ttt_check($ttt)) { echo("!!! Player $player won !!!\n"); break; }\r
\r
  $p = !$p;\r
}\r
\r
//system("pause");\r