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/**
* @file player.hpp
* @brief The player system
*/
#ifndef PLAYER_HPP_
#define PLAYER_HPP_
#include <entityx/entityx.h>
#include <components.hpp>
#include <events.hpp>
#include <engine.hpp>
#include <vector2.hpp>
/**
* The constant velocity the player is given when moved with the arrow keys.
*/
constexpr const float PLAYER_SPEED_CONSTANT = 0.03f;
/**
* @class PlayerSystem
* Controls a player, with keyboard and stuff.
*/
class PlayerSystem : public entityx::System<PlayerSystem>, public entityx::Receiver<PlayerSystem> {
private:
static entityx::Entity player;
static bool moveLeft;
static bool moveRight;
static float speed;
public:
PlayerSystem(void);
/**
* Creates the player, adding it to the entity system.
*/
static void create(void);
static inline auto getId(void)
{ return player.id(); }
/**
* Configures events for use with the entity system.
*/
void configure(entityx::EventManager&);
/**
* Updates the player, mainly the player's velocity.
*/
void update(entityx::EntityManager &en, entityx::EventManager &ev, entityx::TimeDelta dt) override;
/**
* Handles key up events for the player.
* @param kue key up event data
*/
void receive(const KeyUpEvent&);
/**
* Handles key down events for the player.
* @param kde key down event data
*/
void receive(const KeyDownEvent&);
void receive(const UseItemEvent&);
/**
* Gets the player's position.
* @return the player's position
*/
static vec2 getPosition(void);
/**
* Sets the player's X coordinate.
* @param x the x coordinate to give the player
*/
static inline void setX(const float& x)
{ player.component<Position>().get()->x = x; }
/**
* Gets the width of the player.
* @return the player's width, according to its sprite
*/
static inline float getWidth(void)
{ return game::entities.component<Solid>(player.id())->width; }
};
#endif // PLAYER_HPP_
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