EntityNode.h

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#pragma once
#include "interval_tree.hpp"
#include "tree_hooks.hpp"
#include <cstdint>
#include <memory>
 
// Forward decl.
namespace bpp {
class bpp_entity;
}
 
using IntervalType = lib_interval_tree::interval<uint64_t, lib_interval_tree::closed>;
 
struct EntityNode : lib_interval_tree::node<uint64_t, IntervalType, EntityNode> {
    using base_type = lib_interval_tree::node<uint64_t, IntervalType, EntityNode>;
    using interval_type = typename base_type::interval_type;
 
    std::shared_ptr<bpp::bpp_entity> payload;
 
    EntityNode(EntityNode* parent, interval_type interval)
        : base_type(parent, std::move(interval)) {}
};
 
struct EntityHooks : lib_interval_tree::hooks::regular {
    using node_type = EntityNode;
 
    template <typename IteratorT>
    static inline bool on_find(IteratorT) noexcept { return true; }
 
    template <typename IteratorT>
    static inline bool on_overlap_find_all(
        std::conditional<true, 
            lib_interval_tree::interval_tree<lib_interval_tree::interval<uint64_t, 
                    lib_interval_tree::closed>, 
                    EntityHooks>, 
                const lib_interval_tree::interval_tree<lib_interval_tree::interval<uint64_t, 
                    lib_interval_tree::closed>, 
                    EntityHooks> 
            >::type&, 
        lib_interval_tree::interval_tree<lib_interval_tree::interval<uint64_t, 
                lib_interval_tree::closed>, 
                EntityHooks>::node_type*&, 
            const lib_interval_tree::interval_tree<lib_interval_tree::interval<uint64_t, 
                lib_interval_tree::closed>, 
                EntityHooks>::interval_type&
        ) noexcept { return true; }
};