71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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* SPDX-FileCopyrightText: Dora "cat" <cat@thenight.club>
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <Systems/ECS.hpp>
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#include <Systems/ECS/BuiltinComponents.hpp>
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#include <Systems/Random.hpp>
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#include <optional>
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using namespace Tourmaline::Systems;
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using namespace ECS;
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void World::Step() {
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preSystems();
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// Actual systems will happen here
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postSystems();
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}
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void World::preSystems() {
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// Defined for future use
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}
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void World::postSystems() {
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// Can't do a foreach with a std::stack
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while (!entitiesToDisable.empty()) {
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std::pair<Components::Enabled *, bool> &request = entitiesToDisable.top();
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request.first->enabled = request.second;
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entitiesToDisable.pop();
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}
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}
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// Entities
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Entity World::CreateEntity() {
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auto newEntity = Random::GenerateUUID();
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// Default components
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entityComponentMap.insert(newEntity, typeid(Components::Position),
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Components::Position());
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entityComponentMap.insert(newEntity, typeid(Components::Enabled),
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Components::Enabled(this));
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return newEntity;
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}
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const Components::Enabled &World::EntityEnable(const Entity &entity) noexcept {
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return this->GetComponent<Components::Enabled>(entity);
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}
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bool World::EntityExists(const Entity &entity) noexcept {
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bool exists = false;
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entityComponentMap.scan(
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[&exists, entity](const Tourmaline::Type::UUID ¤tEntity,
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const std::type_index &, std::any &) -> bool {
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if (currentEntity == entity) {
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exists = true;
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return true;
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}
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return false;
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});
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return exists;
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}
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bool World::DestroyEntity(Entity entity) {
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return entityComponentMap.remove(entity, std::nullopt);
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}
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