118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/*
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* =====================================================================================
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*
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* OpenMiner
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*
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* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
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* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
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*
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* This file is part of OpenMiner.
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*
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* OpenMiner is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* OpenMiner is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* =====================================================================================
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*/
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#include <gk/core/Debug.hpp>
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#include <gk/core/ISerializable.hpp>
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#include <entt/entt.hpp>
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#include "Network.hpp"
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#include "NetworkUtils.hpp"
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#include "Scene.hpp"
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static bool areComponentsRegistered = false;
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Scene::Scene() {
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if (!areComponentsRegistered) {
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registerComponents();
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areComponentsRegistered = true;
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}
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}
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void Scene::update() {
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for (auto &controller : m_controllers)
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controller->update(m_registry);
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}
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// Opaque entity stamper: https://github.com/skypjack/entt/issues/481#issuecomment-627614706
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entt::entity Scene::createEntityFromModel(entt::registry &modelRegistry, entt::entity modelEntity) {
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if (!modelRegistry.valid(modelEntity)) {
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gkError() << "Failed to create entity from model: Model entity with ID" << (u32)modelEntity << "doesn't exist";
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return entt::null;
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}
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auto other = m_registry.create();
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modelRegistry.visit(modelEntity, [&](const auto &component) {
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const auto type = entt::resolve_type(component);
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const auto any = type.func("get"_hs).invoke({}, std::ref(modelRegistry), modelEntity);
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type.func("set"_hs).invoke({}, std::ref(m_registry), other, any);
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});
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return other;
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}
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template<typename T>
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T &get(entt::registry ®istry, entt::entity entity) {
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return registry.get_or_emplace<T>(entity);
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}
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template<typename T>
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T &set(entt::registry ®istry, entt::entity entity, const T &instance) {
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return registry.emplace_or_replace<T>(entity, instance);
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}
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template<typename T>
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Network::Packet serialize(entt::entity entity, T &component, bool forWorldSave) {
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Network::Packet packet;
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if constexpr(std::is_base_of_v<gk::ISerializable, std::decay_t<T>>) {
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if (forWorldSave || component.isUpdated) {
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packet << component.packetType << entity << component;
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if (!forWorldSave)
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component.isUpdated = false;
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}
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}
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return packet;
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}
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template<typename Type>
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void extend_meta_type(const std::string &name) {
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entt::meta<Type>().type().prop("name"_hs, name)
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.template func<&get<Type>, entt::as_ref_t>("get"_hs)
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.template func<&set<Type>>("set"_hs)
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.template func<&serialize<Type>>("serialize"_hs);
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}
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#include <gk/core/Box.hpp>
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#include "AnimationComponent.hpp"
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#include "DrawableDef.hpp"
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#include "ItemStack.hpp"
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#include "LuaCallbackComponent.hpp"
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#include "NetworkComponent.hpp"
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#include "PositionComponent.hpp"
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#include "RotationComponent.hpp"
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void Scene::registerComponents() {
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extend_meta_type<gk::DoubleBox>("gk::DoubleBox");
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extend_meta_type<AnimationComponent>("AnimationComponent");
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extend_meta_type<DrawableDef>("DrawableDef");
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extend_meta_type<ItemStack>("ItemStack");
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extend_meta_type<LuaCallbackComponent>("LuaCallbackComponent");
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extend_meta_type<NetworkComponent>("NetworkComponent");
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extend_meta_type<PositionComponent>("PositionComponent");
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extend_meta_type<RotationComponent>("RotationComponent");
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}
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