nuclear@13: #ifndef SCENE_NODE_H_
nuclear@13: #define SCENE_NODE_H_
nuclear@13: 
nuclear@13: #include "vector.h"
nuclear@13: #include "vmath.h"
nuclear@13: #include "quat.h"
nuclear@13: #include "vmathmat.h"
nuclear@13: #include "vmathray.h"
nuclear@13: 
nuclear@13: enum NodeType {
nuclear@13: 	NODE_NULL,
nuclear@13: 	NODE_OBJECT,
nuclear@13: 	NODE_LIGHT,
nuclear@13: 	NODE_CAMERA
nuclear@13: };
nuclear@13: 
nuclear@13: class SceneNode {
nuclear@13: protected:
nuclear@13: 	char *name;
nuclear@13: 	NodeType type;
nuclear@13: 
nuclear@13: 	Vector3 pos;
nuclear@13: 	Quat rot;
nuclear@13: 	Vector3 scale;
nuclear@13: 	Vector3 pivot;
nuclear@13: 
nuclear@13: 	mutable Matrix4x4 xform, inv_xform;
nuclear@13: 	mutable bool xform_valid, inv_xform_valid;
nuclear@13: 
nuclear@13: 	vector<SceneNode*> children;
nuclear@13: 	SceneNode *parent;
nuclear@13: 
nuclear@13: 	SceneNode(const SceneNode &node) {}
nuclear@13: 	SceneNode &operator =(const SceneNode &node) { return *this; }
nuclear@13: 
nuclear@13: 	void invalidate() const;
nuclear@13: 	virtual void calc_matrix() const;
nuclear@13: 	virtual void calc_inv_matrix() const;
nuclear@13: 
nuclear@14: 	virtual void pre_draw() const;
nuclear@14: 	virtual void post_draw() const;
nuclear@14: 
nuclear@13: public:
nuclear@13: 	SceneNode();
nuclear@13: 	virtual ~SceneNode();
nuclear@13: 
nuclear@13: 	virtual void set_name(const char *name);
nuclear@13: 	virtual const char *get_name() const;
nuclear@13: 
nuclear@13: 	virtual NodeType get_type() const;
nuclear@13: 
nuclear@13: 	virtual SceneNode *get_parent();
nuclear@13: 	virtual const SceneNode *get_parent() const;
nuclear@13: 
nuclear@13: 	// children management
nuclear@13: 	virtual void add_child(SceneNode *child);
nuclear@13: 	virtual void remove_child(SceneNode *child);
nuclear@13: 
nuclear@13: 	virtual int get_children_count() const;
nuclear@13: 	virtual SceneNode *get_child(int idx);
nuclear@13: 	virtual const SceneNode *get_child(int idx) const;
nuclear@13: 
nuclear@13: 	virtual void set_position(const Vector3 &pos);
nuclear@13: 	virtual Vector3 get_node_position() const;
nuclear@13: 
nuclear@13: 	virtual void set_rotation(const Quat &quat);
nuclear@13: 	virtual Quat get_node_rotation() const;
nuclear@13: 
nuclear@13: 	virtual void set_scaling(const Vector3 &scale);
nuclear@13: 	virtual Vector3 get_node_scaling() const;
nuclear@13: 
nuclear@13: 	// these take hierarchy into account
nuclear@13: 	virtual Vector3 get_position() const;
nuclear@13: 	virtual Quat get_rotation() const;
nuclear@13: 	virtual Vector3 get_scaling() const;
nuclear@13: 
nuclear@13: 	virtual void set_pivot(const Vector3 &pivot);
nuclear@13: 	virtual Vector3 get_pivot() const;
nuclear@13: 
nuclear@13: 	virtual const Matrix4x4 &get_matrix() const;
nuclear@13: 	virtual const Matrix4x4 &get_inv_matrix() const;
nuclear@13: 
nuclear@14: 	virtual void draw(bool emph = false) const;
nuclear@13: 
nuclear@13: 	virtual bool intersect(const Ray &ray, float *dist = 0) const;
nuclear@13: };
nuclear@13: 
nuclear@13: #endif	/* SCENE_NODE_H_ */