1 files changed, 72 insertions, 0 deletions

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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