Refactor the entity out.

entity.hpp

@@ -0,0 +1,33 @@
+#pragma once
+#include "fsm.hpp"
+#include "map.hpp"
+
+enum class EntityState {
+  START, HUNTING, DEAD
+};
+
+enum class EntityEvent {
+  GO, HIT
+};
+
+
+class Entity : public DeadSimpleFSM<EntityState, EntityEvent> {
+public:
+  Point location;
+  int hp = 20;
+  int damage = 10;
+
+  Entity(Point loc) : location(loc) {
+  };
+
+  // disable copy
+  Entity(Entity &e) = delete;
+
+  void move(Point loc);
+  void event(EntityEvent ev);
+
+  // states
+  void START(EntityEvent ev);
+  void HUNTING(EntityEvent ev);
+  void DEAD(EntityEvent ev);
+};