builder.hpp

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#pragma once
 
#include "../filter/builder_i.hpp"
 
namespace flecs {
namespace _ {
    template <typename ... Components>
    using rule_builder_base = builder<
        rule, ecs_filter_desc_t, rule_builder<Components...>, 
        filter_builder_i, Components ...>;
}
 
template <typename ... Components>
struct rule_builder final : _::rule_builder_base<Components...> {
    rule_builder(flecs::world_t* world, const char *name = nullptr)
        : _::rule_builder_base<Components...>(world)
    {
        _::sig<Components...>(world).populate(this);
        if (name != nullptr) {
            ecs_entity_desc_t entity_desc = {};
            entity_desc.name = name;
            entity_desc.sep = "::";
            entity_desc.root_sep = "::";
            this->m_desc.entity = ecs_entity_init(world, &entity_desc);
        }
    }
};
 
}