/*************************************************************************/ /* instance_placeholder.cpp */ /*************************************************************************/ /* 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. */ /*************************************************************************/ #include "instance_placeholder.h" #include "core/io/resource_loader.h" #include "scene/resources/packed_scene.h" bool InstancePlaceholder::_set(const StringName &p_name, const Variant &p_value) { PropSet ps; ps.name = p_name; ps.value = p_value; stored_values.push_back(ps); return true; } bool InstancePlaceholder::_get(const StringName &p_name, Variant &r_ret) const { for (const List<PropSet>::Element *E = stored_values.front(); E; E = E->next()) { if (E->get().name == p_name) { r_ret = E->get().value; return true; } } return false; } void InstancePlaceholder::_get_property_list(List<PropertyInfo> *p_list) const { for (const List<PropSet>::Element *E = stored_values.front(); E; E = E->next()) { PropertyInfo pi; pi.name = E->get().name; pi.type = E->get().value.get_type(); pi.usage = PROPERTY_USAGE_STORAGE; p_list->push_back(pi); } } void InstancePlaceholder::set_instance_path(const String &p_name) { path = p_name; } String InstancePlaceholder::get_instance_path() const { return path; } Node *InstancePlaceholder::create_instance(bool p_replace, const Ref<PackedScene> &p_custom_scene) { ERR_FAIL_COND_V(!is_inside_tree(), nullptr); Node *base = get_parent(); if (!base) { return nullptr; } Ref<PackedScene> ps; if (p_custom_scene.is_valid()) { ps = p_custom_scene; } else { ps = ResourceLoader::load(path, "PackedScene"); } if (!ps.is_valid()) { return nullptr; } Node *scene = ps->instance(); if (!scene) { return nullptr; } scene->set_name(get_name()); int pos = get_position_in_parent(); for (List<PropSet>::Element *E = stored_values.front(); E; E = E->next()) { scene->set(E->get().name, E->get().value); } if (p_replace) { queue_delete(); base->remove_child(this); } base->add_child(scene); base->move_child(scene, pos); return scene; } void InstancePlaceholder::replace_by_instance(const Ref<PackedScene> &p_custom_scene) { //Deprecated by create_instance(true, p_custom_scene); } Dictionary InstancePlaceholder::get_stored_values(bool p_with_order) { Dictionary ret; PoolStringArray order; for (List<PropSet>::Element *E = stored_values.front(); E; E = E->next()) { ret[E->get().name] = E->get().value; if (p_with_order) { order.push_back(E->get().name); } }; if (p_with_order) { ret[".order"] = order; } return ret; }; void InstancePlaceholder::_bind_methods() { ClassDB::bind_method(D_METHOD("get_stored_values", "with_order"), &InstancePlaceholder::get_stored_values, DEFVAL(false)); ClassDB::bind_method(D_METHOD("create_instance", "replace", "custom_scene"), &InstancePlaceholder::create_instance, DEFVAL(false), DEFVAL(Variant())); ClassDB::bind_method(D_METHOD("replace_by_instance", "custom_scene"), &InstancePlaceholder::replace_by_instance, DEFVAL(Variant())); ClassDB::bind_method(D_METHOD("get_instance_path"), &InstancePlaceholder::get_instance_path); } InstancePlaceholder::InstancePlaceholder() { }