War card game: Difference between revisions
Undo revision 345873, which was a paste error
m (Made code more C++ idiomatic.) |
(Undo revision 345873, which was a paste error) Tag: Undo |
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<syntaxhighlight lang="c++">
#include <iostream>
#include <
#include <
class war_game {
public:
war_game() {
for ( char suit : SUITS ) {
for ( char pip : PIPS ) {
deck.emplace_back(card(suit, pip));
}
}
std::random_shuffle(deck.begin(), deck.end());
handA = { deck.begin(), deck.begin() + 26 };
handB = { deck.begin() + 26, deck.end() };
}
void next_turn() {
card cardA = handA.front(); handA.erase(handA.begin());
card cardB = handB.front(); handB.erase(handB.begin());
tabledCards.emplace_back(cardA);
tabledCards.emplace_back(cardB);
int32_t rankA = getRank(cardA.pip);
int32_t rankB = getRank(cardB.pip);
std::cout << cardA.pip << cardA.suit << " " << cardB.pip << cardB.suit << std::endl;
if ( rankA > rankB ) {
std::cout << " Player A takes the cards" << std::endl;
std::random_shuffle(tabledCards.begin(), tabledCards.end());
handA.insert(handA.end(), tabledCards.begin(), tabledCards.end());
tabledCards.clear();
} else if ( rankA < rankB ) {
std::cout << " Player B takes the cards" << std::endl;
std::random_shuffle(tabledCards.begin(), tabledCards.end());
handB.insert(handB.end(), tabledCards.begin(), tabledCards.end());;
tabledCards.clear();
} else {
std::cout << " War!" << std::endl;
if ( game_over() ) {
return;
}
card cardAA = handA.front(); handA.erase(handA.begin());
card cardBB = handB.front(); handB.erase(handB.begin());
tabledCards.emplace_back(cardAA);
tabledCards.emplace_back(cardBB);
std::cout << "?
if ( game_over() ) {
return;
}
next_turn();
}
}
bool game_over() const {
return handA.size() == 0 || handB.size() == 0;
}
void declare_winner() const {
if ( handA.size() == 0 && handB.size() == 0 ) {
std::cout << "The game ended in a tie" << std::endl;
std::cout << "Player B has won the game" << std::endl;
} else {
std::cout << "Player A has won the game" << std::endl;
}
}
private:
class card {
public:
card(const char suit, const char pip) : suit(suit), pip(pip) {};
char suit, pip;
};
int32_t getRank(const char ch) const {
auto it = find(PIPS.begin(), PIPS.end(), ch);
if ( it != PIPS.end() ) {
return it - PIPS.begin();
}
return -1;
}
std::vector<card> deck, handA, handB, tabledCards;
inline static const std::vector<char> PIPS = { '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A' };
inline static const std::vector<char> SUITS = { 'C', 'D', 'H', 'S' };
};
int main(
war_game wargame;
wargame.next_turn();
}
wargame.declare_winner();
}
</syntaxhighlight>
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