57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/Systems/SkeletonSystem.hpp>
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#include <Nazara/Utility/Components/NodeComponent.hpp>
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#include <Nazara/Utility/Components/SharedSkeletonComponent.hpp>
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#include <Nazara/Utility/Components/SkeletonComponent.hpp>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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SkeletonSystem::SkeletonSystem(entt::registry& registry) :
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m_registry(registry),
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m_sharedSkeletonConstructObserver(registry, entt::collector.group<NodeComponent, SharedSkeletonComponent>(entt::exclude<SkeletonComponent>)),
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m_skeletonConstructObserver(registry, entt::collector.group<NodeComponent, SkeletonComponent>(entt::exclude<SharedSkeletonComponent>))
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{
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}
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SkeletonSystem::~SkeletonSystem()
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{
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m_sharedSkeletonConstructObserver.disconnect();
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m_skeletonConstructObserver.disconnect();
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}
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void SkeletonSystem::Update(float /*elapsedTime*/)
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{
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m_sharedSkeletonConstructObserver.each([&](entt::entity entity)
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{
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NodeComponent& entityNode = m_registry.get<NodeComponent>(entity);
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SharedSkeletonComponent& entitySkeleton = m_registry.get<SharedSkeletonComponent>(entity);
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entitySkeleton.SetSkeletonParent(&entityNode);
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});
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m_skeletonConstructObserver.each([&](entt::entity entity)
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{
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NodeComponent& entityNode = m_registry.get<NodeComponent>(entity);
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SkeletonComponent& entitySkeleton = m_registry.get<SkeletonComponent>(entity);
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// TODO: When attaching for the first time, set the skeleton to the position of the node before attaching the node
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Node* skeletonRoot = entitySkeleton.GetRootNode();
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entityNode.SetParent(entitySkeleton.GetRootNode());
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});
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// Updated attached skeleton joints (TODO: Only do this if necessary)
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auto view = m_registry.view<NodeComponent, SharedSkeletonComponent>();
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for (auto entity : view)
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{
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auto& sharedSkeletonComponent = view.get<SharedSkeletonComponent>(entity);
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if (sharedSkeletonComponent.IsAttachedSkeletonOutdated())
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sharedSkeletonComponent.UpdateAttachedSkeletonJoints();
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}
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}
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}
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