用PHP实现游戏中的一些常见功能

function roll () {
	return mt_rand(1,6);
}
echo roll();

function roll ($sides) {
	return mt_rand(1,$sides);
}
echo roll(6);  // roll a six-sided die
echo roll(10);  // roll a ten-sided die
echo roll(20);  // roll a twenty-sided die

$male = array(
"William",
"Henry",
"Filbert",
"John",
"Pat",
);
$last = array(
"Smith",
"Jones",
"Winkler",
"Cooper",
"Cline",
);

shuffle($male);
shuffle($last);
for ($i = 0; $i <= 3; $i++) {
	echo $male[$i] . ' ' . $last[$i];
}

$male = explode('n', file_get_contents('names.female.txt'));
$last = explode('n', file_get_contents('names.last.txt'));

$settings = explode("n", file_get_contents('scenario.settings.txt'));
$objectives = explode("n", file_get_contents('scenario.objectives.txt'));
$antagonists = explode("n", file_get_contents('scenario.antagonists.txt'));
$complicati**** = explode("n", file_get_contents('scenario.complicati****.txt'));
shuffle($settings);
shuffle($objectives);
shuffle($antagonists);
shuffle($complicati****);
echo $settings[0] . ' ' . $objectives[0] . ' ' . $antagonists[0] . ' '
. $complicati****[0] . "
n";

$suits = array (
	"Spades", "Hearts", "Clubs", "Diamonds"
);
$faces = array (
	"Two", "Three", "Four", "Five", "Six", "Seven", "Eight",
	"Nine", "Ten", "Jack", "Queen", "King", "Ace"
);

$deck = array();
foreach ($suits as $suit) {
	foreach ($faces as $face) {
		$deck[] = array ("face"=>$face, "suit"=>$suit);
	}
}

shuffle($deck);
$card = array_shift($deck);
echo $card['face'] . ' of ' . $card['suit'];

$hands = array(1 => array(), 2=>array());
for ($i = 0; $i < 5; $i++) {
	$hands[1][] = implode(" of ", array_shift($deck));
	$hands[2][] = implode(" of ", array_shift($deck));
}

function calculate_odds($draw, $deck) {
$remaining = count($deck);
$odds = 0;
foreach ($deck as $card) {
if (  ($draw['face'] == $card['face'] && $draw['suit'] ==
$card['suit'] ) ||
($draw['face'] == '' && $draw['suit'] == $card['suit'] ) ||
($draw['face'] == $card['face'] && $draw['suit'] == '' ) ) {
$odds++;
}
}
return $odds . ' in ' $remaining;
}

$draw = array('face' => 'Ace', 'suit' => 'Spades');
echo implode(" of ", $draw) . ' : ' . calculate_odds($draw, $deck);

$draw = array('face' => '', 'suit' => 'Spades');
$draw = array('face' => 'Ace', 'suit' => '');

foreach ($hand as $index =>$card) {
echo "
" . $card['face'] . ' of ' . $card['suit'] . "
";
}

$i = 0;
while ($i < 5) {
if (isset($_POST['card'][$i])) {
$hand[$i] = array_shift($deck);
}
}

$words = array (
"giants",
"triangle",
"particle",
"birdhouse",
"minimum",
"flood"
);

$letters = array('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o',
'p','q','r','s','t','u','v','w','x','y','z');
$right = array_fill_keys($letters, '.');
$wrong = array();

if (stristr($word, $guess)) {
$show = '';
$right[$guess] = $guess;
$wordletters = str_split($word);
foreach ($wordletters as $letter) {
$show .= $right[$letter];
}
} else {
$show = '';
$wrong[$guess] = $guess;
if (count($wrong) == 6) {
$show = $word;
} else {
foreach ($wordletters as $letter) {
$show .= $right[$letter];
}
}
}

foreach ($words as $word) {
if (preg_match("/^" . $_POST['guess'] . "$/",$word)) {
echo $word . "
n";
}
}

$text = "I was _VERB_ing in the _PLACE_ when I found a _NOUN_.
I _VERB_ed in, and _VERB_ed too much _NOUN_.  I had to go to the _PLACE_.";

$verbs = array('pump', 'jump', 'walk', 'swallow', 'crawl', 'wail', 'roll');
$places = array('park', 'hospital', 'arctic', 'ocean', 'grocery', 'basement',
'attic', 'sewer');
$nouns = array('water', 'lake', 'spit', 'foot', 'worm',
'dirt', 'river', 'wankel rotary engine');

while (preg_match("/(_VERB_)|(_PLACE_)|(_NOUN_)/", $text, $matches)) {
switch ($matches[0]) {
case '_VERB_' :
shuffle($verbs);
$text = preg_replace($matches[0], current($verbs), $text, 1);
break;
case '_PLACE_' :
shuffle($places);
$text = preg_replace($matches[0], current($places), $text, 1);
break;
case '_NOUN_' :
shuffle($nouns);
$text = preg_replace($matches[0], current($nouns), $text, 1);
break;
}
}
echo $text;

$picks = array(
array('6', '10', '18', '21', '34', '40'),
array('2', '8', '13', '22', '30', '39'),
array('3', '9', '14', '25', '31', '35'),
array('11', '12', '16', '24', '36', '37'),
array('4', '7', '17', '26', '32', '33')
);

foreach ($picks as $pick) {
foreach ($pick as $number) {
$numbers[$number]++;
}
}

asort($numbers);
$pick = array_slice($numbers,0,6,true);
echo implode(',', array_keys($pick));