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Unify determination of default property values

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Pedro J. Estébanez 2021-09-14 13:05:45 +02:00
parent 837f2c5f82
commit 76b7d23a10
7 changed files with 301 additions and 332 deletions
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51
scene/property_utils.h Normal file
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/*************************************************************************/
/* property_utils.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 PROPERTY_UTILS_H
#define PROPERTY_UTILS_H
#include "scene/main/node.h"
#include "scene/resources/packed_scene.h"
class PropertyUtils {
public:
static bool is_property_value_different(const Variant &p_a, const Variant &p_b);
// Gets the most pure default value, the one that would be set when the node has just been instantiated
static Variant get_property_default_value(const Object *p_object, const StringName &p_property, const Vector<SceneState::PackState> *p_states_stack_cache = nullptr, bool p_update_exports = false, const Node *p_owner = nullptr, bool *r_is_class_default = nullptr);
// Gets the instance/inheritance states of this node, in order of precedence,
// that is, from the topmost (the most able to override values) to the lowermost
// (Note that in nested instancing the one with the greatest precedence is the furthest
// in the tree, since every owner found while traversing towards the root gets a chance
// to override property values.)
static Vector<SceneState::PackState> get_node_states_stack(const Node *p_node, const Node *p_owner = nullptr, bool *r_instanced_by_owner = nullptr);
};
#endif // PROPERTY_UTILS_H