Building Games with Inheritance - Learn C++ for Game Development - page 113

Listing 10-14. Adding a Room Array to Game
class Game
{
private:
static const unsigned int m_numberOfRooms = 4;
Room m_rooms[m_numberOfRooms];
Player m_player;
void InitializeRooms();
void WelcomePlayer();
void GivePlayerOptions() const;
void GetPlayerInput(std::string& playerInput) const;
PlayerOptions EvaluateInput(std::string& playerInput) const;
public:
void RunGame();
};
The Game class now has an array that stores all of the Room objects our game requires. We can
increase the number of rooms by increasing the value stored in the static const variable
m_numberOfRooms . The new method, InitializeRooms , is shown in Listing 10-15 and is responsible
for creating the connections between the different Room objects.
Listing 10-15. Game::InitializeRooms
void Game::InitializeRooms()
{
// Room 0 heads North to Room 1
m_rooms[0].AddRoom(Room::JoiningDirections::North, &(m_rooms[1]));
// Room 1 heads East to Room 2, South to Room 0 and West to Room 3
m_rooms[1].AddRoom(Room::JoiningDirections::East, &(m_rooms[2]));
m_rooms[1].AddRoom(Room::JoiningDirections::South, &(m_rooms[0]));
m_rooms[1].AddRoom(Room::JoiningDirections::West, &(m_rooms[3]));
// Room 2 heads West to Room 1
m_rooms[2].AddRoom(Room::JoiningDirections::West, &(m_rooms[1]));
// Room 3 heads East to Room 1
m_rooms[3].AddRoom(Room::JoiningDirections::East, &(m_rooms[1]));
}
It is important to make sure that any Room that connects to another also has that Room connect back
or the player might be able to get into a Room and not able to get back out. Listing 10-16 shows an
option for where you can call InitializeRooms .