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Add initial support for skeletal entities / components

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SirLynix
2022-08-27 03:07:48 +02:00
parent 01f3f350fe
commit 50ed8b4028
55 changed files with 919 additions and 131 deletions
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56
src/Nazara/Utility/Systems/SkeletonSystem.cpp Normal file
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// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Utility/Systems/SkeletonSystem.hpp>
#include <Nazara/Utility/Components/NodeComponent.hpp>
#include <Nazara/Utility/Components/SharedSkeletonComponent.hpp>
#include <Nazara/Utility/Components/SkeletonComponent.hpp>
#include <Nazara/Utility/Debug.hpp>
namespace Nz
{
SkeletonSystem::SkeletonSystem(entt::registry& registry) :
m_registry(registry),
m_sharedSkeletonConstructObserver(registry, entt::collector.group<NodeComponent, SharedSkeletonComponent>(entt::exclude<SkeletonComponent>)),
m_skeletonConstructObserver(registry, entt::collector.group<NodeComponent, SkeletonComponent>(entt::exclude<SharedSkeletonComponent>))
{
}
SkeletonSystem::~SkeletonSystem()
{
m_sharedSkeletonConstructObserver.disconnect();
m_skeletonConstructObserver.disconnect();
}
void SkeletonSystem::Update(float /*elapsedTime*/)
{
m_sharedSkeletonConstructObserver.each([&](entt::entity entity)
{
NodeComponent& entityNode = m_registry.get<NodeComponent>(entity);
SharedSkeletonComponent& entitySkeleton = m_registry.get<SharedSkeletonComponent>(entity);
entitySkeleton.SetSkeletonParent(&entityNode);
});
m_skeletonConstructObserver.each([&](entt::entity entity)
{
NodeComponent& entityNode = m_registry.get<NodeComponent>(entity);
SkeletonComponent& entitySkeleton = m_registry.get<SkeletonComponent>(entity);
// TODO: When attaching for the first time, set the skeleton to the position of the node before attaching the node
Node* skeletonRoot = entitySkeleton.GetRootNode();
entityNode.SetParent(entitySkeleton.GetRootNode());
});
// Updated attached skeleton joints (TODO: Only do this if necessary)
auto view = m_registry.view<NodeComponent, SharedSkeletonComponent>();
for (auto entity : view)
{
auto& sharedSkeletonComponent = view.get<SharedSkeletonComponent>(entity);
if (sharedSkeletonComponent.IsAttachedSkeletonOutdated())
sharedSkeletonComponent.UpdateAttachedSkeletonJoints();
}
}
}