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C-/C++-Quelltext

typedef unsigned int IdString;

struct ResourceEntry {
    IdString hash;
    sf::Texture* tex;
}

IdString murmur_hash(const char* text) {
....
}

class ResourceManager {

public:
    ResourceManager() : m_Index(0) {}
    ~ResourceManager() {
        for ( int i = 0; i < m_Index; ++i ) {
            ResourceEntry* entry = &m_Entries[i];
            // some cleanup here I guess
        }
    }
    sf::Texture* getTexture(const char* fileName);
private:
    int m_Index;
    sf::Texture* find(const char* fileName);
    ResourceEntry m_Entries[32];
}

sf::Texture* ResourceManager::getTexture(const char* fileNmae) {
    sf::Texture* tex = find(fileName);
    if ( tex == 0 ) {
        ResourceEntry* re = &m_Entries[m_Index];
        re->hash = murmur_hash(fileName);
        re->tex = .... load texture ....
        ++m_Index;
        return re->tex;
    }
    return tex;
}

sf::Texture* ResourceManager::find(const char* fileName) {
    IdString hash = murmur_hash(fileName);
    for ( int i = 0; i < 32; ++i ) {
        if ( m_Entries[i].hash == hash ) {
            return m_Entries[i].tex;
        }
    }
    return 0;
}