feat(esx_lib): add a pub/sub multicast module#1796
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Arctos2win
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Jun 24, 2026
Adds xLib.pubsub for server-driven topic multicast: a producer resource subscribes players to a topic server-side and publishes data that is pushed only to the subscribed players. Clients listen with xLib.pubsub.on and never subscribe or publish themselves. The subscription registry is a single shared instance in the esx_lib server VM, reached cross-resource through exports; the client side is a per-VM listener over one net event. Subscriptions are cleaned up on playerDropped, so a reused serverId never inherits them, and on the owning resource stopping. Also adds xLib.triggerClientEvent, which packs the payload once when sending to many players; publish uses it so a broadcast to N subscribers serialises once.
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Adds
xLib.pubsub, a server-driven topic multicast: a producer subscribesplayers to a topic server-side and publishes data pushed only to them. Clients
only listen. For things like a shop pushing live stock updates to the players
who have it open, without broadcasting to everyone.
Server:
subscribe,unsubscribe,publish,subscribers,isSubscribed,clearClient:
on,offsubscribe/publishare server-only (never a net event); subscriptions arecleaned up on
playerDroppedand on resource stop.