errors = array();
$this->command= '';
if(preg_match('/^([0-9]+)d([0-9]{1,3})([\+-][0-9]+)?$/', $text, $matches)){
$this->command['launch'] = (int) $matches[1];
$this->command['faces'] = (int) $matches[2];
// Now go for corrections
if(count($matches) == 4){
$this->command['bias'] = $matches[3];
}
if(!($this->command['launch'] && $this->command['faces'])){
//print_r($matches);
$this->errors[] = "Be serious, not null dice please.";
return false;
}
} else {
//print_r($matches);
// Too long
//$this->errors[] = "'$text' is not a valid string for a dice launch. Valid strings match the following patterns xdyyy, xdyyy+z or xdyyy-z where x, y and z are digits, you can have up to three y.";
$this->errors[] = 'Not valid. Valid launches are like xdyyy';
return false;
}
$this->text = $text;
srand((double)microtime()*1000000);
return true;
}
function roll(){
$sum = 0;
$result = $this->text . ' » ' ;
for($i = 0; $i < $this->command['launch']; $i++){
$launchresult = rand(1, $this->command['faces']);
$sum += $launchresult;
$result .= ' + ' . $launchresult;
}
if(count($this->command) == 3){
$sum += $this->command['bias'];
$result .= ' [' . $this->command['bias'] . ']';
}
return $result . ' = ' . '' . $sum . '';
}
function error_get(){
if(!count($this->errors)){
return '';
} else {
return join("
\n", $this->errors);
}
}
function test(){
// Valid
$testvalid = array(
'1d1'
, '2d2'
, '9d6'
, '1d99'
, '1d999'
, '1d100'
, '1d6+1'
, '1d6-9'
);
// Not valid
$testnotvalid = array(
'0d6'
, '99d6'
, '1d1000'
, '1d000'
, '1d000'
, '1d6+99'
, '1d6+10'
, 'xad--'
);
print "
\n---------------------------------------
\n";
print "Dice: testing valid launches" . "
\n";
$valid = 0;
foreach($testvalid as $t){
if($this->check($t)){
$valid ++;
print $this->roll() . "\n";
} else {
print $this->error_get(). "\n";
}
}
print "
\n" . "Valid launches: " . $valid . '/' . count($testvalid) . "
\n";
print "
\n" . "Dice: testing notvalid launches" . "
\n";
$valid = 0;
foreach($testnotvalid as $t){
if($this->check($t)){
$valid ++;
print $this->roll() . "\n";
} else {
print $this->error_get(). "\n";
}
print "---------------------------------------
\n";
}
print "
\n" . "Notvalid launches: " . (count($testnotvalid) - $valid) . '/' . count($testnotvalid) . "
\n";
}
}
/*
* Uncomment for testing
*/
/*/
$d = new Dice();
$d->test();
//*/
?>