746dddc067
* Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
280 lines
9.3 KiB
C++
280 lines
9.3 KiB
C++
/*************************************************************************/
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/* curve.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef CURVE_H
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#define CURVE_H
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#include "core/io/resource.h"
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// y(x) curve
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class Curve : public Resource {
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GDCLASS(Curve, Resource);
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public:
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static const int MIN_X = 0.f;
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static const int MAX_X = 1.f;
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static const char *SIGNAL_RANGE_CHANGED;
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enum TangentMode {
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TANGENT_FREE = 0,
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TANGENT_LINEAR,
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TANGENT_MODE_COUNT
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};
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struct Point {
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Vector2 position;
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real_t left_tangent = 0.0;
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real_t right_tangent = 0.0;
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TangentMode left_mode = TANGENT_FREE;
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TangentMode right_mode = TANGENT_FREE;
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Point() {
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}
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Point(const Vector2 &p_position,
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real_t p_left = 0.0,
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real_t p_right = 0.0,
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TangentMode p_left_mode = TANGENT_FREE,
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TangentMode p_right_mode = TANGENT_FREE) {
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position = p_position;
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left_tangent = p_left;
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right_tangent = p_right;
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left_mode = p_left_mode;
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right_mode = p_right_mode;
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}
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};
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Curve();
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int get_point_count() const { return _points.size(); }
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int add_point(Vector2 p_position,
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real_t left_tangent = 0,
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real_t right_tangent = 0,
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TangentMode left_mode = TANGENT_FREE,
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TangentMode right_mode = TANGENT_FREE);
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void remove_point(int p_index);
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void clear_points();
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int get_index(real_t p_offset) const;
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void set_point_value(int p_index, real_t p_position);
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int set_point_offset(int p_index, real_t p_offset);
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Vector2 get_point_position(int p_index) const;
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Point get_point(int p_index) const;
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real_t get_min_value() const { return _min_value; }
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void set_min_value(real_t p_min);
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real_t get_max_value() const { return _max_value; }
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void set_max_value(real_t p_max);
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real_t interpolate(real_t p_offset) const;
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real_t interpolate_local_nocheck(int p_index, real_t p_local_offset) const;
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void clean_dupes();
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void set_point_left_tangent(int p_index, real_t p_tangent);
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void set_point_right_tangent(int p_index, real_t p_tangent);
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void set_point_left_mode(int p_index, TangentMode p_mode);
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void set_point_right_mode(int p_index, TangentMode p_mode);
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real_t get_point_left_tangent(int p_index) const;
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real_t get_point_right_tangent(int p_index) const;
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TangentMode get_point_left_mode(int p_index) const;
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TangentMode get_point_right_mode(int p_index) const;
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void update_auto_tangents(int i);
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Array get_data() const;
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void set_data(Array input);
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void bake();
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int get_bake_resolution() const { return _bake_resolution; }
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void set_bake_resolution(int p_resolution);
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real_t interpolate_baked(real_t p_offset) const;
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void ensure_default_setup(real_t p_min, real_t p_max);
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protected:
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static void _bind_methods();
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private:
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void mark_dirty();
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Vector<Point> _points;
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bool _baked_cache_dirty = false;
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Vector<real_t> _baked_cache;
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int _bake_resolution = 100;
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real_t _min_value = 0.0;
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real_t _max_value = 1.0;
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int _minmax_set_once = 0b00; // Encodes whether min and max have been set a first time, first bit for min and second for max.
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};
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VARIANT_ENUM_CAST(Curve::TangentMode)
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class Curve2D : public Resource {
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GDCLASS(Curve2D, Resource);
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struct Point {
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Vector2 in;
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Vector2 out;
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Vector2 position;
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};
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Vector<Point> points;
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struct BakedPoint {
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real_t ofs = 0.0;
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Vector2 point;
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};
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mutable bool baked_cache_dirty = false;
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mutable PackedVector2Array baked_point_cache;
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mutable Vector<real_t> baked_dist_cache;
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mutable real_t baked_max_ofs = 0.0;
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void _bake() const;
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real_t bake_interval = 5.0;
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void _bake_segment2d(HashMap<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;
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Dictionary _get_data() const;
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void _set_data(const Dictionary &p_data);
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protected:
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static void _bind_methods();
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public:
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int get_point_count() const;
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void add_point(const Vector2 &p_position, const Vector2 &p_in = Vector2(), const Vector2 &p_out = Vector2(), int p_atpos = -1);
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void set_point_position(int p_index, const Vector2 &p_position);
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Vector2 get_point_position(int p_index) const;
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void set_point_in(int p_index, const Vector2 &p_in);
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Vector2 get_point_in(int p_index) const;
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void set_point_out(int p_index, const Vector2 &p_out);
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Vector2 get_point_out(int p_index) const;
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void remove_point(int p_index);
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void clear_points();
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Vector2 interpolate(int p_index, real_t p_offset) const;
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Vector2 interpolatef(real_t p_findex) const;
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void set_bake_interval(real_t p_tolerance);
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real_t get_bake_interval() const;
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real_t get_baked_length() const;
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Vector2 interpolate_baked(real_t p_offset, bool p_cubic = false) const;
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PackedVector2Array get_baked_points() const; //useful for going through
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Vector2 get_closest_point(const Vector2 &p_to_point) const;
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real_t get_closest_offset(const Vector2 &p_to_point) const;
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PackedVector2Array tessellate(int p_max_stages = 5, real_t p_tolerance = 4) const; //useful for display
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Curve2D();
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};
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class Curve3D : public Resource {
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GDCLASS(Curve3D, Resource);
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struct Point {
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Vector3 in;
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Vector3 out;
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Vector3 position;
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real_t tilt = 0.0;
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};
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Vector<Point> points;
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struct BakedPoint {
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real_t ofs = 0.0;
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Vector3 point;
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};
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mutable bool baked_cache_dirty = false;
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mutable PackedVector3Array baked_point_cache;
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mutable Vector<real_t> baked_tilt_cache;
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mutable PackedVector3Array baked_up_vector_cache;
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mutable Vector<real_t> baked_dist_cache;
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mutable real_t baked_max_ofs = 0.0;
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void _bake() const;
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real_t bake_interval = 0.2;
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bool up_vector_enabled = true;
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void _bake_segment3d(HashMap<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;
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Dictionary _get_data() const;
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void _set_data(const Dictionary &p_data);
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protected:
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static void _bind_methods();
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public:
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int get_point_count() const;
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void add_point(const Vector3 &p_position, const Vector3 &p_in = Vector3(), const Vector3 &p_out = Vector3(), int p_atpos = -1);
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void set_point_position(int p_index, const Vector3 &p_position);
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Vector3 get_point_position(int p_index) const;
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void set_point_tilt(int p_index, real_t p_tilt);
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real_t get_point_tilt(int p_index) const;
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void set_point_in(int p_index, const Vector3 &p_in);
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Vector3 get_point_in(int p_index) const;
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void set_point_out(int p_index, const Vector3 &p_out);
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Vector3 get_point_out(int p_index) const;
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void remove_point(int p_index);
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void clear_points();
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Vector3 interpolate(int p_index, real_t p_offset) const;
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Vector3 interpolatef(real_t p_findex) const;
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void set_bake_interval(real_t p_tolerance);
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real_t get_bake_interval() const;
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void set_up_vector_enabled(bool p_enable);
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bool is_up_vector_enabled() const;
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real_t get_baked_length() const;
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Vector3 interpolate_baked(real_t p_offset, bool p_cubic = false) const;
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real_t interpolate_baked_tilt(real_t p_offset) const;
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Vector3 interpolate_baked_up_vector(real_t p_offset, bool p_apply_tilt = false) const;
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PackedVector3Array get_baked_points() const; //useful for going through
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Vector<real_t> get_baked_tilts() const; //useful for going through
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PackedVector3Array get_baked_up_vectors() const;
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Vector3 get_closest_point(const Vector3 &p_to_point) const;
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real_t get_closest_offset(const Vector3 &p_to_point) const;
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PackedVector3Array tessellate(int p_max_stages = 5, real_t p_tolerance = 4) const; //useful for display
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Curve3D();
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};
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#endif // CURVE_H
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