historical/toontown-classic.git/panda/include/parametricCurveCollection.h
2024-01-16 11:20:27 -06:00

126 lines
4.2 KiB
C++

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