diff options
Diffstat (limited to 'scene/property_list_helper.cpp')
| -rw-r--r-- | scene/property_list_helper.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/scene/property_list_helper.cpp b/scene/property_list_helper.cpp new file mode 100644 index 0000000000..596a6a050a --- /dev/null +++ b/scene/property_list_helper.cpp @@ -0,0 +1,138 @@ +/**************************************************************************/ +/* property_list_helper.cpp */ +/**************************************************************************/ +/* 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. */ +/**************************************************************************/ + +#include "property_list_helper.h" + +const PropertyListHelper::Property *PropertyListHelper::_get_property(const String &p_property, int *r_index) const { + const Vector<String> components = p_property.split("/", true, 2); + if (components.size() < 2 || !components[0].begins_with(prefix)) { + return nullptr; + } + + { + const String index_string = components[0].trim_prefix(prefix); + if (!index_string.is_valid_int()) { + return nullptr; + } + *r_index = index_string.to_int(); + } + + return property_list.getptr(components[1]); +} + +void PropertyListHelper::_bind_property(const Property &p_property, const Object *p_object) { + Property property = p_property; + property.info = p_property.info; + property.default_value = p_property.default_value; + property.setter = Callable(p_object, p_property.setter_name); + property.getter = Callable(p_object, p_property.getter_name); + + property_list[property.info.name] = property; +} + +void PropertyListHelper::set_prefix(const String &p_prefix) { + prefix = p_prefix; +} + +void PropertyListHelper::register_property(const PropertyInfo &p_info, const Variant &p_default, const StringName &p_setter, const StringName &p_getter) { + Property property; + property.info = p_info; + property.default_value = p_default; + property.setter_name = p_setter; + property.getter_name = p_getter; + + property_list[p_info.name] = property; +} + +void PropertyListHelper::setup_for_instance(const PropertyListHelper &p_base, const Object *p_object) { + prefix = p_base.prefix; + for (const KeyValue<String, Property> &E : p_base.property_list) { + _bind_property(E.value, p_object); + } +} + +void PropertyListHelper::get_property_list(List<PropertyInfo> *p_list, int p_count) const { + for (int i = 0; i < p_count; i++) { + for (const KeyValue<String, Property> &E : property_list) { + const Property &property = E.value; + + PropertyInfo info = property.info; + if (property.getter.call(i) == property.default_value) { + info.usage &= (~PROPERTY_USAGE_STORAGE); + } + + info.name = vformat("%s%d/%s", prefix, i, info.name); + p_list->push_back(info); + } + } +} + +bool PropertyListHelper::property_get_value(const String &p_property, Variant &r_ret) const { + int index; + const Property *property = _get_property(p_property, &index); + + if (property) { + r_ret = property->getter.call(index); + return true; + } + return false; +} + +bool PropertyListHelper::property_set_value(const String &p_property, const Variant &p_value) const { + int index; + const Property *property = _get_property(p_property, &index); + + if (property) { + property->setter.call(index, p_value); + return true; + } + return false; +} + +bool PropertyListHelper::property_can_revert(const String &p_property) const { + int index; + const Property *property = _get_property(p_property, &index); + + if (property) { + return property->getter.call(index) != property->default_value; + } + return false; +} + +bool PropertyListHelper::property_get_revert(const String &p_property, Variant &r_value) const { + int index; + const Property *property = _get_property(p_property, &index); + + if (property) { + r_value = property->default_value; + return true; + } + return false; +} |