#pragma once
#include <vector>
#include "animation.hpp"
#include "collision.hpp"
#include "entity.hpp"

class gxSound;
class gxChannel;
class Animator;

struct ObjCollision {
	Object*   with;
	Vector    coords;
	Collision collision;
};

class Object : public Entity {
	public:
	typedef std::vector<const ObjCollision*> Collisions;

	Object();
	Object(const Object& object);
	~Object();

	//Entity interface
	Object* getObject()
	{
		return this;
	}
	Entity* clone()
	{
		return new Object(*this);
	}

	//deep object copy!
	Object* copy();

	//called by user
	void reset();
	void setCollisionType(int type);
	void setCollisionRadii(const Vector& radii);
	void setCollisionBox(const Box& box);
	void setOrder(int n)
	{
		order = n;
	}
	void setPickGeometry(int n)
	{
		pick_geom = n;
	}
	void setObscurer(bool t)
	{
		obscurer = t;
	}
	void setAnimation(const Animation& t)
	{
		anim = t;
	}
	void setAnimator(Animator* t);

	gxChannel* emitSound(gxSound* sound);

	//overridables!
	virtual bool collide(const Line& line, float radius, ::Collision* curr_coll, const Transform& t)
	{
		return false;
	}
	virtual void capture();
	virtual void animate(float e);
	virtual bool beginRender(float tween);
	virtual void endRender();

	//for use by world
	void beginUpdate(float elapsed);
	void addCollision(const ObjCollision* c);
	void endUpdate();

	//accessors
	int           getCollisionType() const;
	const Vector& getCollisionRadii() const;
	const Box&    getCollisionBox() const;
	int           getOrder() const
	{
		return order;
	}
	const Vector&     getVelocity() const;
	const Collisions& getCollisions() const;
	const Transform&  getRenderTform() const;
	const Transform&  getPrevWorldTform() const;
	int               getPickGeometry() const
	{
		return pick_geom;
	}
	int getObscurer() const
	{
		return obscurer;
	}
	Animation getAnimation() const
	{
		return anim;
	}
	Animator* getAnimator() const
	{
		return animator;
	}
	Object* getLastCopy() const
	{
		return last_copy;
	}

	private:
	int                coll_type;
	int                order;
	Vector             coll_radii;
	Collisions         colls;
	bool               captured;
	Box                coll_box;
	int                pick_geom;
	bool               obscurer;
	float              elapsed;
	Vector             velocity;
	std::vector<gxChannel*> channels;
	Vector             capt_pos, capt_scl;
	Quat               capt_rot;
	mutable Object*    last_copy;

	Transform         prev_tform;
	Transform         captured_tform, tween_tform;
	mutable Transform render_tform;
	mutable bool      render_tform_valid;

	Animation anim;
	Animator* animator;

	void updateSounds();
};