/**************************************************************************/
/* animation_blend_space_2d.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. */
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/**************************************************************************/
#pragma once
#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,
};
enum SyncMode {
SYNC_MODE_NONE, // Inactive animations are frozen (not advanced).
SYNC_MODE_INDEPENDENT, // Inactive animations advance with weight=0 (previous "sync" behavior).
SYNC_MODE_CYCLIC_MUTABLE, // Time-scaled with blend-weight-dependent cycle length (self-normalizing).
SYNC_MODE_CYCLIC_CONSTANT, // Time-scaled to complete one cycle in cyclic_length seconds.
};
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";
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;
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 _set_triangles(const Vector<int> &p_triangles);
Vector<int> _get_triangles() const;
void _blend_triangle(const Vector2 &p_pos, const LocalVector<Vector2> &p_points, LocalVector<float> &r_weights);
bool auto_triangles = true;
bool triangles_dirty = false;
void _update_triangles();
void _queue_auto_triangles();
SyncMode sync_mode = SYNC_MODE_NONE;
double cyclic_length = 0.0;
double inverted_cycle_length = 0.0; // Cached 1/cyclic_length.
LocalVector<double> cached_lengths;
bool lengths_dirty = true;
void _validate_property(PropertyInfo &p_property) const;
static void _bind_methods();
virtual void _tree_changed() override;
virtual void _animation_node_renamed(const ObjectID &p_oid, const String &p_old_name, const String &p_new_name) override;
virtual void _animation_node_removed(const ObjectID &p_oid, const StringName &p_node) override;
bool is_contain_invalid_point = false;
void _check_can_sync();
#ifndef DISABLE_DEPRECATED
void _add_blend_point_bind_compat_110369(const Ref<AnimationRootNode> &p_node, const Vector2 &p_position, int p_at_index = -1);
static void _bind_compatibility_methods();
#endif
public:
virtual void validate_node(const AnimationTree *p_tree, const StringName &p_path) const override;
virtual void get_parameter_list(LocalVector<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual void get_child_nodes(LocalVector<ChildNode> *r_child_nodes) override;
void add_blend_point(const Ref<AnimationRootNode> &p_node, const Vector2 &p_position, int p_at_index = -1, const StringName &p_name = StringName());
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);
void set_blend_point_name(int p_point, const StringName &p_name);
const StringName &get_blend_point_name(int p_point) const;
int find_blend_point_by_name(const StringName &p_name) const;
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;
void reorder_blend_point(int p_from_index, int p_to_index);
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 NodeTimeInfo _process(ProcessState &p_process_state, AnimationNodeInstance &p_instance, const AnimationMixer::PlaybackInfo &p_playback_info, bool p_test_only = false) 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;
void set_cyclic_length(double p_length);
double get_cyclic_length() const;
#ifndef DISABLE_DEPRECATED
void set_use_sync(bool p_sync); // Compat: maps to SYNC_MODE_INDEPENDENT or SYNC_MODE_NONE.
bool is_using_sync() const; // Compat: returns sync_mode != SYNC_MODE_NONE.
#endif // DISABLE_DEPRECATED
void set_sync_mode(SyncMode p_sync_mode);
SyncMode get_sync_mode() const;
virtual Ref<AnimationNode> get_child_by_name(const StringName &p_name) const override;
};
VARIANT_ENUM_CAST(AnimationNodeBlendSpace2D::BlendMode)
VARIANT_ENUM_CAST(AnimationNodeBlendSpace2D::SyncMode)