evict()

void MayaFlux::Nexus::Expanse::evict

(

uint32_t

fabric_id

)

Fire the exit actions for everything inside for fabric_id and forget it.

Called by a Fabric when it drops this Expanse, so state an entry action changed is not left in the entered state.

Parameters

fabric_id

Stable id of the Fabric dropping the Expanse.

Definition at line 13 of file Expanse.cpp.

{
    const auto it = m_occupants_by_fabric.find(fabric_id);
    if (it == m_occupants_by_fabric.end()) {
        return;
    }
 
    const auto leaving = std::move(it->second);
    m_occupants_by_fabric.erase(it);
 
    for (uint32_t eid : leaving) {
        if (m_on_exit)
            m_on_exit(eid);
 
        const CrossingContext ctx { .fabric_id = fabric_id, .entity = eid };
        for (const auto& [handle, action] : m_exits)
            action(ctx);
    }
}

References MayaFlux::Nexus::CrossingContext::fabric_id, m_exits, m_occupants_by_fabric, and m_on_exit.