HitboxComponent.hpp

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/*
 * =====================================================================================
 *
 *       Filename:  HitboxComponent.hpp
 *
 *    Description:
 *
 *        Created:  17/01/2018 19:53:26
 *
 *         Author:  Quentin Bazin, <quent42340@gmail.com>
 *
 * =====================================================================================
 */
#ifndef GK_HITBOXCOMPONENT_HPP_
#define GK_HITBOXCOMPONENT_HPP_

#include <vector>

#include "gk/core/Rect.hpp"
#include "gk/core/Exception.hpp"

namespace gk {

class HitboxComponent {
    public:
        HitboxComponent(s8 currentHitboxID = 0)
            : m_currentHitboxID(currentHitboxID) {}

        HitboxComponent(s16 x, s16 y, u16 width, u16 height) : HitboxComponent(0) {
            addHitbox(x, y, width, height);
        }

        void addHitbox(s16 x, s16 y, u16 width, u16 height) {
            m_hitboxes.emplace_back(x, y, width, height);
        }

        const FloatRect *currentHitbox() const {
            if(m_currentHitboxID >= 0 && m_currentHitboxID < (s16)m_hitboxes.size()) {
                return &m_hitboxes[m_currentHitboxID];
            } else {
                return nullptr;
            }
        }

        void setCurrentHitbox(u8 id) {
            if(id < m_hitboxes.size()) {
                m_currentHitboxID = id;
            } else {
                throw EXCEPTION("Hitbox ID out of range:", (s16)id, "| Array size:", m_hitboxes.size());
            }
        }

        void resetCurrentHitbox() { m_currentHitboxID = -1; }

    private:
        s8 m_currentHitboxID = -1;

        std::vector<FloatRect> m_hitboxes;
};

} // namespace gk

#endif // GK_HITBOXCOMPONENT_HPP_