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367 | /**************************************************************************/
/* curve.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef CURVE_H
#define CURVE_H
#include "core/io/resource.h"
// y(x) curve
class Curve : public Resource {
GDCLASS(Curve, Resource);
public:
static const char *SIGNAL_RANGE_CHANGED;
static const char *SIGNAL_DOMAIN_CHANGED;
enum TangentMode {
TANGENT_FREE = 0,
TANGENT_LINEAR,
TANGENT_MODE_COUNT
};
struct Point {
Vector2 position;
real_t left_tangent = 0.0;
real_t right_tangent = 0.0;
TangentMode left_mode = TANGENT_FREE;
TangentMode right_mode = TANGENT_FREE;
Point() {
}
Point(const Vector2 &p_position,<--- Struct 'Point' has a constructor with 1 argument that is not explicit. [+]Struct 'Point' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
real_t p_left = 0.0,
real_t p_right = 0.0,
TangentMode p_left_mode = TANGENT_FREE,
TangentMode p_right_mode = TANGENT_FREE) {
position = p_position;<--- Variable 'position' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'position' a value by passing the value to the constructor in the initialization list.
left_tangent = p_left;<--- Variable 'left_tangent' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'left_tangent' a value by passing the value to the constructor in the initialization list.
right_tangent = p_right;<--- Variable 'right_tangent' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'right_tangent' a value by passing the value to the constructor in the initialization list.
left_mode = p_left_mode;
right_mode = p_right_mode;
}
};
Curve();
int get_point_count() const { return _points.size(); }
void set_point_count(int p_count);
int add_point(Vector2 p_position,
real_t left_tangent = 0,
real_t right_tangent = 0,
TangentMode left_mode = TANGENT_FREE,
TangentMode right_mode = TANGENT_FREE);
int add_point_no_update(Vector2 p_position,
real_t left_tangent = 0,
real_t right_tangent = 0,
TangentMode left_mode = TANGENT_FREE,
TangentMode right_mode = TANGENT_FREE);
void remove_point(int p_index);
void clear_points();
int get_index(real_t p_offset) const;
void set_point_value(int p_index, real_t p_position);
int set_point_offset(int p_index, real_t p_offset);
Vector2 get_point_position(int p_index) const;
Point get_point(int p_index) const;
real_t get_min_value() const { return _min_value; }
void set_min_value(real_t p_min);
real_t get_max_value() const { return _max_value; }
void set_max_value(real_t p_max);
real_t get_value_range() const { return _max_value - _min_value; }
real_t get_min_domain() const { return _min_domain; }
void set_min_domain(real_t p_min);
real_t get_max_domain() const { return _max_domain; }
void set_max_domain(real_t p_max);
real_t get_domain_range() const { return _max_domain - _min_domain; }
Array get_limits() const;
void set_limits(const Array &p_input);
real_t sample(real_t p_offset) const;
real_t sample_local_nocheck(int p_index, real_t p_local_offset) const;
void clean_dupes();
void set_point_left_tangent(int p_index, real_t p_tangent);
void set_point_right_tangent(int p_index, real_t p_tangent);
void set_point_left_mode(int p_index, TangentMode p_mode);
void set_point_right_mode(int p_index, TangentMode p_mode);
real_t get_point_left_tangent(int p_index) const;
real_t get_point_right_tangent(int p_index) const;
TangentMode get_point_left_mode(int p_index) const;
TangentMode get_point_right_mode(int p_index) const;
void update_auto_tangents(int i);
Array get_data() const;
void set_data(Array input);
void bake();
void _bake() const;
int get_bake_resolution() const { return _bake_resolution; }
void set_bake_resolution(int p_resolution);
real_t sample_baked(real_t p_offset) const;
void ensure_default_setup(real_t p_min, real_t p_max);
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
protected:
static void _bind_methods();
private:
void mark_dirty();
int _add_point(Vector2 p_position,
real_t left_tangent = 0,
real_t right_tangent = 0,
TangentMode left_mode = TANGENT_FREE,
TangentMode right_mode = TANGENT_FREE);
void _remove_point(int p_index);
Vector<Point> _points;
mutable bool _baked_cache_dirty = false;
mutable Vector<real_t> _baked_cache;
int _bake_resolution = 100;
real_t _min_value = 0.0;
real_t _max_value = 1.0;
real_t _min_domain = 0.0;
real_t _max_domain = 1.0;
};
VARIANT_ENUM_CAST(Curve::TangentMode)
class Curve2D : public Resource {
GDCLASS(Curve2D, Resource);
struct Point {
Vector2 in;
Vector2 out;
Vector2 position;
};
Vector<Point> points;
struct BakedPoint {
real_t ofs = 0.0;
Vector2 point;
};
mutable bool baked_cache_dirty = false;
mutable PackedVector2Array baked_point_cache;
mutable PackedVector2Array baked_forward_vector_cache;
mutable Vector<real_t> baked_dist_cache;
mutable real_t baked_max_ofs = 0.0;
void mark_dirty();
static Vector2 _calculate_tangent(const Vector2 &p_begin, const Vector2 &p_control_1, const Vector2 &p_control_2, const Vector2 &p_end, const real_t p_t);
void _bake() const;
real_t bake_interval = 5.0;
struct Interval {
int idx;
real_t frac;
};
Interval _find_interval(real_t p_offset) const;
Vector2 _sample_baked(Interval p_interval, bool p_cubic) const;
Transform2D _sample_posture(Interval p_interval) const;
void _bake_segment2d(RBMap<real_t, Vector2> &r_bake, real_t p_begin, real_t p_end, const Vector2 &p_a, const Vector2 &p_out, const Vector2 &p_b, const Vector2 &p_in, int p_depth, int p_max_depth, real_t p_tol) const;
void _bake_segment2d_even_length(RBMap<real_t, Vector2> &r_bake, real_t p_begin, real_t p_end, const Vector2 &p_a, const Vector2 &p_out, const Vector2 &p_b, const Vector2 &p_in, int p_depth, int p_max_depth, real_t p_length) const;
Dictionary _get_data() const;
void _set_data(const Dictionary &p_data);
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _add_point(const Vector2 &p_position, const Vector2 &p_in = Vector2(), const Vector2 &p_out = Vector2(), int p_atpos = -1);
void _remove_point(int p_index);
Vector<RBMap<real_t, Vector2>> _tessellate_even_length(int p_max_stages = 5, real_t p_length = 0.2) const;
protected:
static void _bind_methods();
public:
int get_point_count() const;
void set_point_count(int p_count);
void add_point(const Vector2 &p_position, const Vector2 &p_in = Vector2(), const Vector2 &p_out = Vector2(), int p_atpos = -1);
void set_point_position(int p_index, const Vector2 &p_position);
Vector2 get_point_position(int p_index) const;
void set_point_in(int p_index, const Vector2 &p_in);
Vector2 get_point_in(int p_index) const;
void set_point_out(int p_index, const Vector2 &p_out);
Vector2 get_point_out(int p_index) const;
void remove_point(int p_index);
void clear_points();
Vector2 sample(int p_index, real_t p_offset) const;
Vector2 samplef(real_t p_findex) const;
void set_bake_interval(real_t p_tolerance);
real_t get_bake_interval() const;
real_t get_baked_length() const;
Vector2 sample_baked(real_t p_offset, bool p_cubic = false) const;
Transform2D sample_baked_with_rotation(real_t p_offset, bool p_cubic = false) const;
PackedVector2Array get_points() const;
PackedVector2Array get_baked_points() const; //useful for going through
Vector2 get_closest_point(const Vector2 &p_to_point) const;
real_t get_closest_offset(const Vector2 &p_to_point) const;
PackedVector2Array tessellate(int p_max_stages = 5, real_t p_tolerance = 4) const; //useful for display
PackedVector2Array tessellate_even_length(int p_max_stages = 5, real_t p_length = 20.0) const; // Useful for baking.
Curve2D();
};
class Curve3D : public Resource {
GDCLASS(Curve3D, Resource);
struct Point {
Vector3 in;
Vector3 out;
Vector3 position;
real_t tilt = 0.0;
};
Vector<Point> points;
#ifdef TOOLS_ENABLED
// For Path3DGizmo.
mutable Vector<size_t> points_in_cache;
#endif
bool closed = false;
mutable bool baked_cache_dirty = false;
mutable PackedVector3Array baked_point_cache;
mutable Vector<real_t> baked_tilt_cache;
mutable PackedVector3Array baked_up_vector_cache;
mutable PackedVector3Array baked_forward_vector_cache;
mutable Vector<real_t> baked_dist_cache;
mutable real_t baked_max_ofs = 0.0;
void mark_dirty();
static Vector3 _calculate_tangent(const Vector3 &p_begin, const Vector3 &p_control_1, const Vector3 &p_control_2, const Vector3 &p_end, const real_t p_t);
void _bake() const;
struct Interval {
int idx;
real_t frac;
};
Interval _find_interval(real_t p_offset) const;
Vector3 _sample_baked(Interval p_interval, bool p_cubic) const;
real_t _sample_baked_tilt(Interval p_interval) const;
Basis _sample_posture(Interval p_interval, bool p_apply_tilt = false) const;
Basis _compose_posture(int p_index) const;
real_t bake_interval = 0.2;
bool up_vector_enabled = true;
void _bake_segment3d(RBMap<real_t, Vector3> &r_bake, real_t p_begin, real_t p_end, const Vector3 &p_a, const Vector3 &p_out, const Vector3 &p_b, const Vector3 &p_in, int p_depth, int p_max_depth, real_t p_tol) const;
void _bake_segment3d_even_length(RBMap<real_t, Vector3> &r_bake, real_t p_begin, real_t p_end, const Vector3 &p_a, const Vector3 &p_out, const Vector3 &p_b, const Vector3 &p_in, int p_depth, int p_max_depth, real_t p_length) const;
Dictionary _get_data() const;
void _set_data(const Dictionary &p_data);
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _add_point(const Vector3 &p_position, const Vector3 &p_in = Vector3(), const Vector3 &p_out = Vector3(), int p_atpos = -1);
void _remove_point(int p_index);
Vector<RBMap<real_t, Vector3>> _tessellate_even_length(int p_max_stages = 5, real_t p_length = 0.2) const;
protected:
static void _bind_methods();
public:
#ifdef TOOLS_ENABLED
// For Path3DGizmo.
Basis get_point_baked_posture(int p_index, bool p_apply_tilt = false) const;
#endif
int get_point_count() const;
void set_point_count(int p_count);
void add_point(const Vector3 &p_position, const Vector3 &p_in = Vector3(), const Vector3 &p_out = Vector3(), int p_atpos = -1);
void set_point_position(int p_index, const Vector3 &p_position);
Vector3 get_point_position(int p_index) const;
void set_point_tilt(int p_index, real_t p_tilt);
real_t get_point_tilt(int p_index) const;
void set_point_in(int p_index, const Vector3 &p_in);
Vector3 get_point_in(int p_index) const;
void set_point_out(int p_index, const Vector3 &p_out);
Vector3 get_point_out(int p_index) const;
void remove_point(int p_index);
void clear_points();
Vector3 sample(int p_index, real_t p_offset) const;
Vector3 samplef(real_t p_findex) const;
void set_closed(bool p_closed);
bool is_closed() const;
void set_bake_interval(real_t p_tolerance);
real_t get_bake_interval() const;
void set_up_vector_enabled(bool p_enable);
bool is_up_vector_enabled() const;
real_t get_baked_length() const;
Vector3 sample_baked(real_t p_offset, bool p_cubic = false) const;
Transform3D sample_baked_with_rotation(real_t p_offset, bool p_cubic = false, bool p_apply_tilt = false) const;
real_t sample_baked_tilt(real_t p_offset) const;
Vector3 sample_baked_up_vector(real_t p_offset, bool p_apply_tilt = false) const;
PackedVector3Array get_baked_points() const; // Useful for going through.
Vector<real_t> get_baked_tilts() const; //useful for going through
PackedVector3Array get_baked_up_vectors() const;
Vector3 get_closest_point(const Vector3 &p_to_point) const;
real_t get_closest_offset(const Vector3 &p_to_point) const;
PackedVector3Array get_points() const;
PackedVector3Array tessellate(int p_max_stages = 5, real_t p_tolerance = 4) const; // Useful for display.
PackedVector3Array tessellate_even_length(int p_max_stages = 5, real_t p_length = 0.2) const; // Useful for baking.
Curve3D();
};
#endif // CURVE_H
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