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/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "game/systems/spatial-system.hpp"
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#include "game/components/transform-component.hpp"
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#include "game/components/constraint-stack-component.hpp"
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#include <algorithm>
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#include <execution>
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spatial_system::spatial_system(entity::registry& registry):
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updatable_system(registry),
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updated_unconstrained_transforms(registry, entt::collector.update<transform_component>().where(entt::exclude<constraint_stack_component>))
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{}
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void spatial_system::update(float t, float dt)
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{
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// Update world-space transforms of all updated, unconstrained transform components
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std::for_each
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(
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std::execution::par_unseq,
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updated_unconstrained_transforms.begin(),
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updated_unconstrained_transforms.end(),
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[&](auto entity_id)
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{
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auto& transform = registry.get<transform_component>(entity_id);
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transform.world = transform.local;
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}
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);
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updated_unconstrained_transforms.clear();
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}
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