WanderBehavior.hpp

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#ifndef CORE_COMPONENTS_WANDERBEHAVIOR_HPP
#define CORE_COMPONENTS_WANDERBEHAVIOR_HPP
 
#include <Core/Components/Controllable.hpp>
#include <Core/Components/SpinBehavior.hpp>
#include <Core/Components/StandingBehavior.hpp>
 
namespace core
{
namespace component
{
class WanderBehavior {
public:
    WanderBehavior(unsigned int radius, const sf::Vector2i& origin);
 
    void update(bl::tmap::Position& position, Controllable& controller, float dt);
 
private:
    struct WalkData {
        bl::tmap::Direction dir;
        unsigned short int total;
        unsigned short int steps;
 
        WalkData();
    };
 
    union Data {
        WalkData walking;
        StandingBehavior standing;
        SpinBehavior spinning;
 
        Data();
    } data;
 
    enum State : std::uint8_t {
        Walking    = 0,
        Spinning   = 1,
        Standing   = 2,
        NUM_STATES = 2,
        Paused     = 3 // intentionally outside of possible states
    };
 
    const sf::Vector2i origin;
    const unsigned int radius;
    State state;
    float stateTime;
    float transitionTime;
 
    void switchState();
};
 
} // namespace component
} // namespace core
 
#endif