nuclear@13: #ifndef GOATGFX_XFORM_NODE_H_
nuclear@13: #define GOATGFX_XFORM_NODE_H_
nuclear@13: 
nuclear@13: #include <vector>
nuclear@13: #include "vmath/vector.h"
nuclear@13: #include "vmath/quat.h"
nuclear@13: #include "vmath/matrix.h"
nuclear@13: 
nuclear@13: 
nuclear@13: struct anm_node;
nuclear@13: struct anm_track;
nuclear@13: 
nuclear@13: enum Interp { INTERP_STEP, INTERP_LINEAR, INTERP_CUBIC };
nuclear@13: enum Extrap { EXTRAP_EXTEND, EXTRAP_CLAMP, EXTRAP_REPEAT };
nuclear@13: 
nuclear@13: // NOTE: all time arguments are milliseconds
nuclear@13: 
nuclear@13: class XFormNode {
nuclear@13: private:
nuclear@13: 	struct anm_node *anm;
nuclear@13: 	std::vector<XFormNode*> children;
nuclear@13: 	XFormNode *parent;
nuclear@13: 
nuclear@13: 	Interp interp;
nuclear@13: 	Extrap extrap;
nuclear@13: 
nuclear@13: 	Matrix4x4 local_matrix;
nuclear@13: 	Matrix4x4 bone_matrix;
nuclear@13: 
nuclear@13: 	XFormNode(const XFormNode &node) {}
nuclear@13: 	XFormNode &operator =(const XFormNode &node) { return *this; }
nuclear@13: 
nuclear@13: public:
nuclear@13: 	XFormNode();
nuclear@13: 	virtual ~XFormNode();
nuclear@13: 
nuclear@13: 	virtual void set_name(const char *name);
nuclear@13: 	virtual const char *get_name() const;
nuclear@13: 
nuclear@13: 	virtual void set_interpolator(Interp in);
nuclear@13: 	virtual Interp get_interpolator() const;
nuclear@13: 	virtual void set_extrapolator(Extrap ex);
nuclear@13: 	virtual Extrap get_extrapolator() const;
nuclear@13: 
nuclear@13: 	virtual XFormNode *get_parent();
nuclear@13: 	virtual const XFormNode *get_parent() const;
nuclear@13: 
nuclear@13: 	// children management
nuclear@13: 	virtual void add_child(XFormNode *child);
nuclear@13: 	virtual void remove_child(XFormNode *child);
nuclear@13: 
nuclear@13: 	virtual int get_children_count() const;
nuclear@13: 	virtual XFormNode *get_child(int idx);
nuclear@13: 	virtual const XFormNode *get_child(int idx) const;
nuclear@13: 
nuclear@13: 
nuclear@13: 	virtual void use_animation(int idx);
nuclear@13: 	virtual void use_animation(const char *name);
nuclear@13: 	virtual void use_animation(int aidx, int bidx, float t);
nuclear@13: 	virtual void use_animation(const char *aname, const char *bname, float t);
nuclear@13: 
nuclear@13: 	virtual int get_active_animation_index(int which = 0) const;
nuclear@13: 	virtual float get_active_animation_mix() const;
nuclear@13: 
nuclear@13: 	virtual int get_animation_count() const;
nuclear@13: 
nuclear@13: 	// add a new empty animation slot (recursive)
nuclear@13: 	virtual void add_animation(const char *name = 0);
nuclear@13: 
nuclear@13: 	// set/get the current animation name (set is recursive)
nuclear@13: 	virtual void set_animation_name(const char *name);
nuclear@13: 	virtual const char *get_animation_name() const;
nuclear@13: 
nuclear@13: 
nuclear@13: 	virtual void set_position(const Vector3 &pos, long tmsec = 0);
nuclear@13: 	virtual Vector3 get_node_position(long tmsec = 0) const;
nuclear@13: 
nuclear@13: 	virtual void set_rotation(const Quaternion &quat, long tmsec = 0);
nuclear@13: 	virtual Quaternion get_node_rotation(long tmsec = 0) const;
nuclear@13: 
nuclear@13: 	virtual void set_scaling(const Vector3 &pos, long tmsec = 0);
nuclear@13: 	virtual Vector3 get_node_scaling(long tmsec = 0) const;
nuclear@13: 
nuclear@13: 	// these take hierarchy into account
nuclear@13: 	virtual Vector3 get_position(long tmsec = 0) const;
nuclear@13: 	virtual Quaternion get_rotation(long tmsec = 0) const;
nuclear@13: 	virtual Vector3 get_scaling(long tmsec = 0) const;
nuclear@13: 
nuclear@13: 	virtual void set_pivot(const Vector3 &pivot);
nuclear@13: 	virtual Vector3 get_pivot() const;
nuclear@13: 
nuclear@13: 	// the local matrix is concatenated with the regular node/anim matrix
nuclear@13: 	virtual void set_local_matrix(const Matrix4x4 &mat);
nuclear@13: 	virtual const Matrix4x4 &get_local_matrix() const;
nuclear@13: 
nuclear@13: 	// for bone nodes, the transformation of the bone in bind position
nuclear@13: 	virtual void set_bone_matrix(const Matrix4x4 &bmat);
nuclear@13: 	virtual const Matrix4x4 &get_bone_matrix() const;
nuclear@13: 
nuclear@13: 	// node transformation alone
nuclear@13: 	virtual void get_node_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat = 0) const;
nuclear@13: 
nuclear@13: 	// node transformation taking hierarchy into account
nuclear@13: 	virtual void get_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat = 0) const;
nuclear@13: };
nuclear@13: 
nuclear@13: 
nuclear@13: class Track {
nuclear@13: private:
nuclear@13: 	struct anm_track *trk;
nuclear@13: 	Interp interp;
nuclear@13: 	Extrap extrap;
nuclear@13: 
nuclear@13: public:
nuclear@13: 	Track();
nuclear@13: 	~Track();
nuclear@13: 
nuclear@13: 	Track(const Track &trk);
nuclear@13: 	Track &operator =(const Track &trk);
nuclear@13: 
nuclear@13: 	void set_interpolator(Interp in);
nuclear@13: 	Interp get_interpolator() const;
nuclear@13: 	void set_extrapolator(Extrap ex);
nuclear@13: 	Extrap get_extrapolator() const;
nuclear@13: 
nuclear@13: 	void set_default(double def);
nuclear@13: 
nuclear@13: 	void set_value(float val, long tmsec = 0);
nuclear@13: 	float get_value(long tmsec = 0) const;
nuclear@13: 
nuclear@13: 	// the same as get_value
nuclear@13: 	float operator ()(long tmsec = 0) const;
nuclear@13: };
nuclear@13: 
nuclear@13: class Track3 {
nuclear@13: private:
nuclear@13: 	Track track[3];
nuclear@13: 
nuclear@13: public:
nuclear@13: 	void set_interpolator(Interp in);
nuclear@13: 	Interp get_interpolator() const;
nuclear@13: 	void set_extrapolator(Extrap ex);
nuclear@13: 	Extrap get_extrapolator() const;
nuclear@13: 
nuclear@13: 	void set_default(const Vector3 &def);
nuclear@13: 
nuclear@13: 	void set_value(const Vector3 &val, long tmsec = 0);
nuclear@13: 	Vector3 get_value(long tmsec = 0) const;
nuclear@13: 
nuclear@13: 	// the same as get_value
nuclear@13: 	Vector3 operator ()(long tmsec = 0) const;
nuclear@13: };
nuclear@13: 
nuclear@13: #endif	/* GOATGFX_XFORM_NODE_H_ */