RosettaCodeData/Task/Playing-cards/D/playing-cards-2.d
Ingy döt Net 776bba907c Sync
2013-10-27 22:24:23 +00:00

111 lines
2.6 KiB
D

import std.stdio, std.random, std.algorithm, std.string, std.range;
struct Card {
static immutable suits = "Club Heart Diamond Spade".split;
static immutable pips = "Ace 2 3 4 5 6 7 8 9 10 J Q K".split;
enum nPack = suits.length * pips.length;
static bool rankAceTop = true;
int pip, suit;
string toString() pure const {
return format("%3s of %-7s", pips[pip], suits[suit])
.rightJustify(15);
}
@property int order() const nothrow {
immutable pipOrder = (!rankAceTop) ?
pip :
(pip ? pip - 1 : 12);
return pipOrder * suits.length + suit;
}
bool opEqual(in Card rhs) const pure nothrow {
return pip == rhs.pip && suit == rhs.suit;
}
int opCmp(in Card rhs) const nothrow {
return order - rhs.order;
}
}
final class Deck {
private Card[] cards;
this(in bool initShuffle = true, in int pack = 0) {
cards.length = 0;
foreach (immutable p; 0 .. pack)
foreach (immutable c; 0 .. Card.nPack)
cards ~= Card((c / Card.suits.length) %
Card.pips.length,
c % Card.suits.length);
if (initShuffle)
cards.randomShuffle;
}
@property size_t length() const pure nothrow {
return cards.length;
}
Deck add(in Card c) pure nothrow {
cards ~= c;
return this;
}
Deck deal(in int loc, Deck toDeck = null) pure nothrow {
if (toDeck !is null)
toDeck.add(cards[loc]);
cards = cards[0 .. loc] ~ cards[loc + 1 .. $];
return this;
}
Deck dealTop(Deck toDeck = null) pure nothrow {
return deal(length - 1, toDeck);
}
Card opIndex(in int loc) const pure nothrow {
return cards[loc];
}
alias opIndex peek;
Deck showDeck() {
this.writeln;
return this;
}
Deck shuffle() {
cards.randomShuffle;
return this;
}
Deck sortDeck() {
cards.sort!q{a > b};
return this;
}
override string toString() pure const {
return format("%(%(%s%)\n%)", cards.chunks(4));
}
}
void main() {
Deck[4] guests;
foreach (ref g; guests)
g = new Deck; // Empty deck.
auto host = new Deck(false, 1);
writeln("Host");
host.shuffle.showDeck;
while (host.length > 0)
foreach (ref g; guests)
if (host.length > 0)
host.dealTop(g);
foreach (immutable i, g; guests) {
writefln("Player #%d", i + 1);
g.sortDeck.showDeck;
}
}