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https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
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175 lines
4.8 KiB
C++
175 lines
4.8 KiB
C++
#ifndef ENTT_ENTITY_FWD_HPP
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#define ENTT_ENTITY_FWD_HPP
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#include <memory>
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#include <type_traits>
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#include "../core/fwd.hpp"
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#include "../core/type_traits.hpp"
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namespace entt {
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/*! @brief Default entity identifier. */
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enum class entity : id_type {};
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template<typename Entity = entity, typename = std::allocator<Entity>>
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class basic_sparse_set;
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template<typename Type, typename = entity, typename = std::allocator<Type>, typename = void>
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class basic_storage;
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template<typename Type, typename = entity, typename = std::allocator<Type>, typename = void>
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struct storage_type;
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template<typename Type, typename = entity, typename = std::allocator<std::remove_const_t<Type>>>
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struct storage_for;
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template<typename Type>
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class sigh_storage_mixin;
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template<typename Entity = entity, typename = std::allocator<Entity>>
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class basic_registry;
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template<typename, typename, typename = void>
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class basic_view;
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template<typename Type, typename = std::allocator<Type *>>
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class basic_runtime_view;
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template<typename, typename, typename>
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class basic_group;
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template<typename>
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class basic_observer;
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template<typename>
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class basic_organizer;
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template<typename, typename...>
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struct basic_handle;
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template<typename>
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class basic_snapshot;
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template<typename>
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class basic_snapshot_loader;
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template<typename>
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class basic_continuous_loader;
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/**
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* @brief Alias for exclusion lists.
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* @tparam Type List of types.
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*/
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template<typename... Type>
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using exclude_t = type_list<Type...>;
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/**
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* @brief Variable template for exclusion lists.
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* @tparam Type List of types.
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*/
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template<typename... Type>
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inline constexpr exclude_t<Type...> exclude{};
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/**
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* @brief Alias for lists of observed components.
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* @tparam Type List of types.
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*/
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template<typename... Type>
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using get_t = type_list<Type...>;
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/**
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* @brief Variable template for lists of observed components.
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* @tparam Type List of types.
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*/
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template<typename... Type>
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inline constexpr get_t<Type...> get{};
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/**
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* @brief Alias for lists of owned components.
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* @tparam Type List of types.
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*/
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template<typename... Type>
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using owned_t = type_list<Type...>;
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/**
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* @brief Variable template for lists of owned components.
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* @tparam Type List of types.
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*/
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template<typename... Type>
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inline constexpr owned_t<Type...> owned{};
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/*! @brief Alias declaration for the most common use case. */
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using sparse_set = basic_sparse_set<>;
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/**
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* @brief Alias declaration for the most common use case.
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* @tparam Type Type of objects assigned to the entities.
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*/
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template<typename Type>
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using storage = basic_storage<Type>;
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/*! @brief Alias declaration for the most common use case. */
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using registry = basic_registry<>;
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/*! @brief Alias declaration for the most common use case. */
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using observer = basic_observer<registry>;
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/*! @brief Alias declaration for the most common use case. */
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using organizer = basic_organizer<registry>;
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/*! @brief Alias declaration for the most common use case. */
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using handle = basic_handle<registry>;
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/*! @brief Alias declaration for the most common use case. */
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using const_handle = basic_handle<const registry>;
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/**
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* @brief Alias declaration for the most common use case.
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* @tparam Args Other template parameters.
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*/
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template<typename... Args>
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using handle_view = basic_handle<registry, Args...>;
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/**
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* @brief Alias declaration for the most common use case.
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* @tparam Args Other template parameters.
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*/
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template<typename... Args>
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using const_handle_view = basic_handle<const registry, Args...>;
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/*! @brief Alias declaration for the most common use case. */
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using snapshot = basic_snapshot<registry>;
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/*! @brief Alias declaration for the most common use case. */
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using snapshot_loader = basic_snapshot_loader<registry>;
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/*! @brief Alias declaration for the most common use case. */
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using continuous_loader = basic_continuous_loader<registry>;
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/**
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* @brief Alias declaration for the most common use case.
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* @tparam Get Types of storage iterated by the view.
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* @tparam Exclude Types of storage used to filter the view.
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*/
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template<typename Get, typename Exclude = exclude_t<>>
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using view = basic_view<type_list_transform_t<Get, storage_for>, type_list_transform_t<Exclude, storage_for>>;
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/*! @brief Alias declaration for the most common use case. */
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using runtime_view = basic_runtime_view<sparse_set>;
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/*! @brief Alias declaration for the most common use case. */
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using const_runtime_view = basic_runtime_view<const sparse_set>;
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/**
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* @brief Alias declaration for the most common use case.
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* @tparam Owned Types of storage _owned_ by the group.
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* @tparam Get Types of storage _observed_ by the group.
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* @tparam Exclude Types of storage used to filter the group.
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*/
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template<typename Owned, typename Get, typename Exclude>
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using group = basic_group<type_list_transform_t<Owned, storage_for>, type_list_transform_t<Get, storage_for>, type_list_transform_t<Exclude, storage_for>>;
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} // namespace entt
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#endif
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