nuclear@0: #ifndef OBJECT_H_
nuclear@0: #define OBJECT_H_
nuclear@0: 
nuclear@0: #include <string>
nuclear@0: #include "vmath/ray.h"
nuclear@0: 
nuclear@0: class Object;
nuclear@0: 
nuclear@0: struct RayHit {
nuclear@0: 	float dist;
nuclear@0: 	const Ray world_ray, local_ray;
nuclear@0: 
nuclear@0: 	const Object *obj, *subobj;
nuclear@0: };
nuclear@0: 
nuclear@0: enum class ObjType { null, geom, camera };
nuclear@0: 
nuclear@0: class Object {
nuclear@0: private:
nuclear@0: 	std::string name;
nuclear@0: 	Matrix4x4 xform;
nuclear@0: 	mutable Matrix4x4 inv_xform;
nuclear@0: 	mutable bool inv_xform_valid;
nuclear@0: 
nuclear@0: public:
nuclear@0: 	Object();
nuclear@0: 	virtual ~Object() = default;
nuclear@0: 
nuclear@0: 	virtual ObjType get_type() const;
nuclear@0: 
nuclear@0: 	virtual void set_name(const char *name);
nuclear@0: 	virtual const char *get_name() const;
nuclear@0: 
nuclear@0: 	virtual void set_xform(const Matrix4x4 &mat);
nuclear@0: 	virtual void set_xform(const Matrix4x4 &mat, const Matrix4x4 &inv_mat);
nuclear@0: 
nuclear@0: 	virtual Matrix4x4 &get_xform();	// invalidates inv_xform
nuclear@0: 	virtual const Matrix4x4 &get_xform() const;
nuclear@0: 	virtual const Matrix4x4 &get_inv_xform() const;
nuclear@0: 
nuclear@0: 	virtual bool intersect(const Ray &ray, RayHit *hit = 0) const;
nuclear@0: };
nuclear@0: 
nuclear@0: #endif	// OBJECT_H_