126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
// Filename: parametricCurveCollection.h
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// Created by: drose (04Mar01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef NODEPATHCOLLECTION_H
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#define NODEPATHCOLLECTION_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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// Class : ParametricCurveCollection
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// Description : This is a set of zero or more ParametricCurves, which
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// may or may not be related. If they are related, the
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// set should contain no more than one XYZ curve, no
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// more than one HPR curve, and zero or more Timewarp
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// curves, which can then be evaluated as a unit to
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// return a single transformation matrix for a given
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// unit of time.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA 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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int add_curves(PandaNode *node);
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bool remove_curve(ParametricCurve *curve);
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void remove_curve(int index);
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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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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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INLINE float get_max_t() const;
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void make_even(float max_t, float segments_per_unit);
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void face_forward(float segments_per_unit);
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void reset_max_t(float max_t);
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bool evaluate(float t, LVecBase3f &xyz, LVecBase3f &hpr) const;
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bool evaluate(float t, LMatrix4f &result, CoordinateSystem cs = CS_default) const;
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float evaluate_t(float t) const;
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INLINE bool evaluate_xyz(float t, LVecBase3f &xyz) const;
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INLINE bool evaluate_hpr(float t, LVecBase3f &hpr) const;
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INLINE bool adjust_xyz(float t, float x, float y, float z);
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bool adjust_xyz(float t, const LVecBase3f &xyz);
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INLINE bool adjust_hpr(float t, float h, float p, float r);
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bool adjust_hpr(float t, const LVecBase3f &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(ostream &out) const;
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void write(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(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(float t, ParametricCurve *xyz_curve, LVecBase3f &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 ostream &
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operator << (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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