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#ifndef ENTITY_H
#define ENTITY_H
class Entity;
class Component;
class Locatable;
class Collidable;
#include <list>
#include "renderer.h"
#include "world.h"
enum message_type {
CM_WALK_LEFT,
CM_WALK_RIGHT,
CM_STOP_WALKING,
CM_COLLISION,
CM_JUMP,
CM_STOP_JUMP,
CM_DROP,
CM_CAN_DROP,
CM_CANT_DROP
};
typedef struct {
message_type type;
Entity* collisionEntity;
int dropAxis;
} message_t;
class Entity {
public:
Entity(World* world) : world(world) {}
~Entity() {};
void addComponent(std::shared_ptr<Component> c);
void send(message_t msg);
void tick();
void input(int key, int action);
void render(Texture* buffer);
World* world;
private:
std::list<std::shared_ptr<Component>> components;
};
class Component {
public:
Component(Entity& entity) : entity(entity) {}
virtual ~Component() {};
virtual void receive(message_t msg) {(void)msg;}
virtual void render(Texture* tex) {(void)tex;}
virtual void tick() {}
virtual void input(int key, int action) {(void)key; (void)action;}
Entity& entity;
};
class Locatable {
public:
std::pair<double, double> position;
std::pair<int, int> size;
std::pair<double, double> velocity;
std::pair<double, double> accel;
};
class Collidable {
public:
virtual void detectCollision(Entity& player, Locatable& physics, std::pair<double, double> old_position) = 0;
};
#endif
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