#include #include #include #include using namespace std; //CODE BY: ZEKE WILLIAMS //ABSTRACT ITEM CLASS******* class Item { protected: int id; public: virtual void show() const = 0; public: Item(int id); virtual ~Item(); }; Item::Item(int id): id(id) {}; Item::~Item() { cout << "Item deleted." << endl; } //WEAPON CLASS************** class Weapon: public Item { private: int dmg; public: virtual void show() const; public: Weapon(int id, int damage); virtual ~Weapon(); }; Weapon::Weapon(int id, int dmg) : Item(id), dmg(dmg) {}; Weapon::~Weapon() { cout << "Weapon deleted." << endl; } void Weapon::show() const { cout << "ID: " << id << "\nDMG: " << dmg << endl; } //POTION CLASS************** class Potion: public Item { private: int efct; public: virtual void show() const; public: Potion(int id, int efct); virtual ~Potion(); }; Potion::Potion(int id, int efct) : Item(id), efct(efct) {}; Potion::~Potion() { cout << "Potion deleted." << endl; } void Potion::show() const { cout << "ID: " << id << "\nEFFECT: " << efct << endl; } //ITEM FACTORY CLASS******* class ItemFactory { public: enum class ItemType { Weapon = 0, Potion }; static unique_ptr createItem(ItemType type) { switch(type) { case ItemType::Weapon: return unique_ptr(new Weapon(2, 20)); break; case ItemType::Potion: return unique_ptr(new Potion(4, 3)); break; default: return unique_ptr(); } } }; ItemFactory::ItemType pickRandom() { int a = rand() % 2; return static_cast(a); } int main() { srand(static_cast(time(nullptr))); unique_ptr item = ItemFactory::createItem(pickRandom()); item->show(); return 0; }

C++ Factory Design Pattern