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#include <iostream>
#include "main.hpp"
Base *DerivedA::clone() {
std::cout << "clone da" << std::endl;
return new DerivedA;
}
Base *DerivedB::clone() {
std::cout << "clone db" << std::endl;
return new DerivedB;
}
void Base::hello() {
std::cout << 0 << std::endl;
}
void DerivedA::hello() {
std::cout << 1 << std::endl;
}
void DerivedB::hello() {
std::cout << 2 << std::endl;
}
GameState::GameState() {
std::cout << "c" << std::endl;
thing = new DerivedA;
}
GameState::GameState(const GameState &other) {
std::cout << "cc" << std::endl;
thing = other.thing->clone();
}
GameState &GameState::operator=(const GameState &other) {
std::cout << "=" << std::endl;
thing = other.thing;
return *this;
}
GameState::~GameState() {
std::cout << "d gamestate" << std::endl;
delete thing;
thing = nullptr;
}
void GameState::switchThing() {
std::cout << "switch" << std::endl;
delete thing;
thing = new DerivedB;
}
int main(int argc, char *argv[]) {
GameState state;
state.thing->hello();
std::cout << std::endl;
GameState copy = state;
state.thing->hello();
copy.thing->hello();
std::cout << std::endl;
copy.switchThing();
state.thing->hello();
copy.thing->hello();
std::cout << std::endl;
state = copy;
state.thing->hello();
copy.thing->hello();
return 0;
}
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