spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

#include <cstdio>
#include <functional>

namespace {
    enum class Players : unsigned int {
        First = 1,
        One = First, Two, Three, Four,
        Last = Four
    };

    enum class Mode : unsigned int {
        First = 0,
        Single = First, Match, Team,
        Last = Team
    };
    
    enum class Level : unsigned int {
        First = 1,
        One = First, Two, Three,
        Last = Three
    };
    
    typedef std::function<void(Mode, Players)> Game;
    
    auto Play(const Game &game, Mode mode, Players players) -> void;

    template<typename T> auto Select(const std::string &msg) -> T;
}

auto main(int argc, char** argv) -> int {
    using std::printf;
    
    printf("Willkommen im Spiel. (strg+c zum Beenden druecken.)\n\n");
    
    switch (Select<Level>("Level")) {
    case Level::One:
        Play([](Mode mode, Players players) {
            printf("\nSpiel Level 1, Modus %u mit %u Spieler(n)\n", mode, players);
        }, Select<Mode>("Modus"), Select<Players>("Spielerzahl"));
        break;
        
    case Level::Two:
        Play([](Mode mode, Players players) {
            printf("\nSpiel Level 2, Modus %u mit %u Spieler(n)\n", mode, players);
        }, Select<Mode>("Modus"), Select<Players>("Spielerzahl"));
        break;
        
    case Level::Three:
        Play([](Mode mode, Players players) {
            printf("\nSpiel Level 3, Modus %u mit %u Spieler(n)\n", mode, players);
        }, Select<Mode>("Modus"), Select<Players>("Spielerzahl"));
        break;
        
    default:
        printf("\nSollte nie zu sehen sein!\n");
    }
}

namespace {
    auto Play(const Game &game, Mode mode, Players players) -> void {
        using std::printf;
        
        game(mode, players);
        
        printf("\nBis bald :)\n");
    }
    
    template<typename T> auto Select(const std::string &msg) -> T {
        using std::printf;
        using std::scanf;
        using std::getchar;
        
        auto clear_buffer = []() {
            // Clearing the input buffer
            auto c = '\0';
            while ((c = getchar()) != '\n' && c != EOF) { }
        };
        
        while (true) {
            printf("Bitte %s waehlen [%u bis %u]: ", msg.c_str(), T::First, T::Last);
            
            T select = T::First;
            switch (scanf("%u", &select)) {
            case 1:
                break;
                
            default:
                clear_buffer();
                printf("Ungueltige Eingabe!\n");
                continue;
            }
            
            switch (select >= T::First && select <= T::Last) {
            case true:
                return select;
                
            default:
                clear_buffer();
                printf("Ungueltige Wahl!\n");
                continue;
            }
        }
    }
}