55 lines
1 KiB
C++
55 lines
1 KiB
C++
export module ecs.entity;
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import debug.assertions;
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import memory.reference;
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import ecs.registry;
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import std;
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namespace lt::ecs {
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/** High-level entity convenience wrapper */
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export class Entity
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{
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public:
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Entity(memory::Ref<Registry> registry, EntityId identifier)
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: m_registry(std::move(registry))
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, m_identifier(identifier)
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{
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debug::ensure(m_registry, "Failed to create Entity ({}): null registry", m_identifier);
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}
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template<typename Component_T>
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auto add(Component_T component) -> Component_T &
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{
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return m_registry->add(m_identifier, component);
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}
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template<typename Component_T>
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auto get() -> Component_T &
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{
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return m_registry->get<Component_T>(m_identifier);
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}
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template<typename Component_T>
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auto get() const -> const Component_T &
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{
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return m_registry->get<Component_T>(m_identifier);
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}
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auto get_registry() -> memory::Ref<Registry>
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{
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return m_registry;
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}
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[[nodiscard]] auto id() const -> EntityId
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{
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return m_identifier;
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}
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private:
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memory::Ref<Registry> m_registry;
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EntityId m_identifier;
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};
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} // namespace lt::ecs
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