127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file parametricCurveCollection.h
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* @author drose
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* @date 2001-03-04
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*/
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#ifndef PARAMETRICCURVECOLLECTION_H
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#define PARAMETRICCURVECOLLECTION_H
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#include "pandabase.h"
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#include "parametricCurve.h"
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#include "referenceCount.h"
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#include "pointerTo.h"
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#include "luse.h"
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#include "pvector.h"
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#include "plist.h"
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class ParametricCurveDrawer;
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/**
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* This is a set of zero or more ParametricCurves, which may or may not be
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* related. If they are related, the set should contain no more than one XYZ
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* curve, no more than one HPR curve, and zero or more Timewarp curves, which
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* can then be evaluated as a unit to return a single transformation matrix
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* for a given unit of time.
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*/
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class EXPCL_PANDA_PARAMETRICS ParametricCurveCollection : public ReferenceCount {
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PUBLISHED:
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ParametricCurveCollection();
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INLINE ~ParametricCurveCollection();
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void add_curve(ParametricCurve *curve);
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void add_curve(ParametricCurve *curve, int index);
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void insert_curve(size_t index, ParametricCurve *curve);
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int add_curves(PandaNode *node);
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bool remove_curve(ParametricCurve *curve);
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void remove_curve(size_t index);
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void set_curve(size_t index, ParametricCurve *curve);
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bool has_curve(ParametricCurve *curve) const;
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void clear();
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void clear_timewarps();
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INLINE int get_num_curves() const;
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INLINE ParametricCurve *get_curve(int index) const;
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MAKE_SEQ(get_curves, get_num_curves, get_curve);
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ParametricCurve *get_xyz_curve() const;
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ParametricCurve *get_hpr_curve() const;
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ParametricCurve *get_default_curve() const;
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int get_num_timewarps() const;
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ParametricCurve *get_timewarp_curve(int n) const;
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MAKE_SEQ(get_timewarp_curves, get_num_timewarps, get_timewarp_curve);
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INLINE PN_stdfloat get_max_t() const;
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MAKE_SEQ_PROPERTY(curves, get_num_curves, get_curve, set_curve, remove_curve);
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MAKE_PROPERTY(xyz_curve, get_xyz_curve);
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MAKE_PROPERTY(hpr_curve, get_hpr_curve);
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MAKE_PROPERTY(default_curve, get_default_curve);
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MAKE_SEQ_PROPERTY(timewarp_curves, get_num_timewarps, get_timewarp_curve);
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MAKE_PROPERTY(max_t, get_max_t);
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void make_even(PN_stdfloat max_t, PN_stdfloat segments_per_unit);
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void face_forward(PN_stdfloat segments_per_unit);
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void reset_max_t(PN_stdfloat max_t);
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bool evaluate(PN_stdfloat t, LVecBase3 &xyz, LVecBase3 &hpr) const;
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bool evaluate(PN_stdfloat t, LMatrix4 &result, CoordinateSystem cs = CS_default) const;
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PN_stdfloat evaluate_t(PN_stdfloat t) const;
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INLINE bool evaluate_xyz(PN_stdfloat t, LVecBase3 &xyz) const;
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INLINE bool evaluate_hpr(PN_stdfloat t, LVecBase3 &hpr) const;
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INLINE bool adjust_xyz(PN_stdfloat t, PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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bool adjust_xyz(PN_stdfloat t, const LVecBase3 &xyz);
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INLINE bool adjust_hpr(PN_stdfloat t, PN_stdfloat h, PN_stdfloat p, PN_stdfloat r);
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bool adjust_hpr(PN_stdfloat t, const LVecBase3 &xyz);
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bool recompute();
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bool stitch(const ParametricCurveCollection *a,
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const ParametricCurveCollection *b);
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void output(std::ostream &out) const;
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void write(std::ostream &out, int indent_level = 0) const;
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bool write_egg(Filename filename, CoordinateSystem cs = CS_default);
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bool write_egg(std::ostream &out, const Filename &filename, CoordinateSystem cs);
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public:
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int r_add_curves(PandaNode *node);
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void register_drawer(ParametricCurveDrawer *drawer);
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void unregister_drawer(ParametricCurveDrawer *drawer);
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private:
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bool determine_hpr(PN_stdfloat t, ParametricCurve *xyz_curve, LVecBase3 &hpr) const;
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void prepare_add_curve(ParametricCurve *curve);
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void prepare_remove_curve(ParametricCurve *curve);
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void redraw();
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private:
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typedef pvector< PT(ParametricCurve) > ParametricCurves;
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ParametricCurves _curves;
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typedef plist<ParametricCurveDrawer *> DrawerList;
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DrawerList _drawers;
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};
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INLINE std::ostream &
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operator << (std::ostream &out, const ParametricCurveCollection &col) {
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col.output(out);
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return out;
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}
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#include "parametricCurveCollection.I"
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#endif
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