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/*************************************************************************/
/* animation_blend_space_2d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 ANIMATION_BLEND_SPACE_2D_H
#define ANIMATION_BLEND_SPACE_2D_H
#include "scene/animation/animation_tree.h"
class AnimationNodeBlendSpace2D : public AnimationRootNode {
GDCLASS(AnimationNodeBlendSpace2D, AnimationRootNode);
public:
enum BlendMode {
BLEND_MODE_INTERPOLATED,
BLEND_MODE_DISCRETE,
BLEND_MODE_DISCRETE_CARRY,
};
protected:
enum {
MAX_BLEND_POINTS = 64
};
struct BlendPoint {
StringName name;
Ref<AnimationRootNode> node;
Vector2 position;
};
BlendPoint blend_points[MAX_BLEND_POINTS];
int blend_points_used = 0;
struct BlendTriangle {
int points[3] = {};
};
Vector<BlendTriangle> triangles;
StringName blend_position = "blend_position";
StringName closest = "closest";
StringName length_internal = "length_internal";
Vector2 max_space = Vector2(1, 1);
Vector2 min_space = Vector2(-1, -1);
Vector2 snap = Vector2(0.1, 0.1);
String x_label = "x";
String y_label = "y";
BlendMode blend_mode = BLEND_MODE_INTERPOLATED;
void _add_blend_point(int p_index, const Ref<AnimationRootNode> &p_node);
void _set_triangles(const Vector<int> &p_triangles);
Vector<int> _get_triangles() const;
void _blend_triangle(const Vector2 &p_pos, const Vector2 *p_points, float *r_weights);
bool auto_triangles = true;
bool trianges_dirty = false;
void _update_triangles();
void _queue_auto_triangles();
void _tree_changed();
protected:
virtual void _validate_property(PropertyInfo &property) const override;
static void _bind_methods();
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual void get_child_nodes(List<ChildNode> *r_child_nodes) override;
void add_blend_point(const Ref<AnimationRootNode> &p_node, const Vector2 &p_position, int p_at_index = -1);
void set_blend_point_position(int p_point, const Vector2 &p_position);
void set_blend_point_node(int p_point, const Ref<AnimationRootNode> &p_node);
Vector2 get_blend_point_position(int p_point) const;
Ref<AnimationRootNode> get_blend_point_node(int p_point) const;
void remove_blend_point(int p_point);
int get_blend_point_count() const;
bool has_triangle(int p_x, int p_y, int p_z) const;
void add_triangle(int p_x, int p_y, int p_z, int p_at_index = -1);
int get_triangle_point(int p_triangle, int p_point);
void remove_triangle(int p_triangle);
int get_triangle_count() const;
void set_min_space(const Vector2 &p_min);
Vector2 get_min_space() const;
void set_max_space(const Vector2 &p_max);
Vector2 get_max_space() const;
void set_snap(const Vector2 &p_snap);
Vector2 get_snap() const;
void set_x_label(const String &p_label);
String get_x_label() const;
void set_y_label(const String &p_label);
String get_y_label() const;
virtual double process(double p_time, bool p_seek) override;
virtual String get_caption() const override;
Vector2 get_closest_point(const Vector2 &p_point);
void set_auto_triangles(bool p_enable);
bool get_auto_triangles() const;
void set_blend_mode(BlendMode p_blend_mode);
BlendMode get_blend_mode() const;
virtual Ref<AnimationNode> get_child_by_name(const StringName &p_name) override;
AnimationNodeBlendSpace2D();
~AnimationNodeBlendSpace2D();
};
VARIANT_ENUM_CAST(AnimationNodeBlendSpace2D::BlendMode)
#endif // ANIMATION_BLEND_SPACE_2D_H
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