#ifndef _CHARACTER_HH_
#define _CHARACTER_HH_
+#include <boost/shared_ptr.hpp>
+
#include <Moof/Animation.hh>
-#include <Moof/Drawable.hh>
-#include <Moof/Resource.hh>
+#include <Moof/Entity.hh>
+#include <Moof/Event.hh>
+#include <Moof/Math.hh>
+#include <Moof/Octree.hh>
+#include <Moof/RK4.hh>
#include <Moof/Tilemap.hh>
+struct Character;
+typedef boost::shared_ptr<Character> CharacterP;
+
+
/**
- * Parent class of animate objects with "personalities."
+ * Parent class of animate objects with "personalities." This basically
+ * includes the heroine herself and the bad guys.
*/
-class Character : public Mf::Drawable
+struct Character : public Mf::Entity
{
+ struct Derivative
+ {
+ Mf::Vector2 velocity;
+ Mf::Vector2 force;
+
+ Derivative operator*(Mf::Scalar dt) const
+ {
+ Derivative derivative;
+ derivative.velocity = dt * velocity;
+ derivative.force = dt * force;
+ return derivative;
+ }
+
+ Derivative operator+(const Derivative& other) const
+ {
+ Derivative derivative;
+ derivative.velocity = velocity + other.velocity;
+ derivative.force = force + other.force;
+ return derivative;
+ }
+ };
+
+ struct State
+ {
+ // primary
+
+ Mf::Vector2 position;
+ Mf::Vector2 momentum;
+ Mf::Vector2 force;
+
+ // secondary
+
+ Mf::Vector2 velocity;
+
+ // constant
+
+ Mf::Scalar mass;
+ Mf::Scalar inverseMass;
+
+ void recalculate()
+ {
+ velocity = momentum * inverseMass;
+ }
+
+
+ void getDerivative(Derivative& derivative, Mf::Scalar t) const
+ {
+ //derivative.velocity = Mf::Vector2(0.0, 0.0);
+ //derivative.force = Mf::Vector2(0.0, 0.0);
+ derivative.velocity = velocity;
+ derivative.force = force;
+ }
+
+ void applyDerivative(const Derivative& derivative, Mf::Scalar dt)
+ {
+ position += dt * derivative.velocity;
+ momentum += dt * derivative.force;
+ recalculate();
+ }
+
+ // these two operator overloads all using the state in generic
+ // interpolator implementations
+
+ State operator*(Mf::Scalar scalar) const
+ {
+ State state = *this;
+ state.position *= scalar;
+ state.momentum *= scalar;
+ state.recalculate();
+ return state;
+ }
+
+ State operator+(const State& state) const
+ {
+ State newState = *this;
+ newState.position += state.position;
+ newState.momentum += state.momentum;
+ newState.recalculate();
+ return newState;
+ }
+ };
+
+ State previous;
+ State current;
+
+ Mf::OctreeNodeP treeNode;
+
+
+private:
+
+ static const Mf::Scalar z = 96.0;
+
+ Mf::Vector2 userForce;
+
+ Mf::Tilemap tilemap_;
+ Mf::Animation animation_;
+
+ void updateContainers();
+
public:
+
+ static CharacterP alloc(const std::string& name)
+ {
+ return CharacterP(new Character(name));
+ }
+
Character(const std::string& name);
- ~Character();
+ virtual ~Character() {}
- void draw(Mf::Scalar alpha);
+ void update(Mf::Scalar t, Mf::Scalar dt);
+ void handleEvent(const Mf::Event& event);
+ void draw(Mf::Scalar alpha) const;
Mf::Tilemap& getTilemap();
Mf::Animation& getAnimation();
+};
- struct Exception : public std::runtime_error
- {
- explicit Exception(const std::string& what_arg) :
- std::runtime_error(what_arg) {}
- };
-
-private:
- Mf::Tilemap tilemap;
- Mf::Animation animation;
-};
+//inline Character::State operator*(Mf::Scalar scalar,
+ //const Character::State& state)
+//{
+ //Character::State newState = state;
+ //newState.position *= scalar;
+ //newState.momentum *= scalar;
+ //newState.recalculate();
+ //return newState;
+//}
#endif // _CHARACTER_HH_