58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
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#pragma once
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#include "SystemBase.h"
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#include "Component/Component.h"
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namespace Seele
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{
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namespace System
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{
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template<typename... Components>
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class ComponentSystem : public SystemBase
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{
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public:
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ComponentSystem(PScene scene) : SystemBase(scene) {}
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virtual ~ComponentSystem() {}
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template<is_component Comp>
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auto getDependencies()
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{
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return Comp::dependencies;
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}
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template<typename Comp>
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Dependencies<> getDependencies()
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{
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return Dependencies<>();
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}
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template<typename... Dep>
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auto mergeDependencies(Dep... deps)
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{
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return (deps | ...);
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}
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template<typename... Deps>
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void setupView(Dependencies<Deps...>, dp::thread_pool<>&)
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{
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registry.view<Components..., Deps...>().each([&](Components&... comp, Deps&... deps){
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//pool.enqueue_detach([&](){
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(accessComponent(deps) + ...);
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update((comp,...));
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//});
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});
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}
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template<>
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void setupView(Dependencies<>, dp::thread_pool<>&)
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{
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registry.view<Components...>().each([&](Components&... comp){
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//pool.enqueue_detach([&](){
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update(comp...);
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//});
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});
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}
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virtual void run(dp::thread_pool<>& pool, double delta) override
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{
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SystemBase::run(pool, delta);
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setupView(mergeDependencies((getDependencies<Components>(),...)), pool);
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}
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virtual void update(Components&... components) = 0;
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};
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} // namespace System
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} // namespace Seele
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