feat: per-realm scene-listener AoI, and reassignment without reconnecting - #469
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feat: per-realm scene-listener AoI, and reassignment without reconnecting#469robtfm wants to merge 2 commits into
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…ting A scene listener announced one realm for the whole connection, and its parcel set was fixed until it reconnected. Neither holds for an authoritative server: it cohosts scenes from several realms at once, and its scene set changes while it runs. Replace the handshake's `realm` + `parcel_rects` with a repeated SceneListenerAoi, one entry per realm. Parcels only mean anything inside a realm — every world numbers its own from 0,0 — so a server cohosting cozyfarm.dcl.eth and towerofmadness.dcl.eth has two different scenes at 0,0, which a single flat parcel set cannot express. Keying the AoI by realm keeps that to one connection, which the wallet-unique session rule and the per-IP listener cap both require. Add SceneListenerUpdate (oneof 9) to replace the announced AoI in place on a live connection, so a scene loading or unloading costs neither a reconnect nor a re-authentication.
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…eserved fields No scene listener was ever deployed on the single-realm handshake, so there is nothing on the wire to stay compatible with. Reusing the field numbers keeps the message at what it would have been written as fresh.
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Tracks decentraland/protocol#469: no listener ever shipped on the single-realm handshake, so the reserved fields go and `aoi` takes field 2. Presence harness 36/36 against a Pulse rebuilt on the same proto. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Tracks decentraland/protocol#469: no listener ever shipped on the single-realm handshake, so the reserved fields go and `aoi` takes field 2. Presence harness 36/36 against a Pulse rebuilt on the same proto. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Part of decentraland/sdk-multiplayer-server#132 — rollout plan in this comment.
A scene listener announced one realm for the whole connection, and its parcel set was fixed until it reconnected. Neither holds for an authoritative server: it cohosts scenes from several realms at once (every world numbers its parcels from 0,0, so a flat parcel set cannot express two worlds'
0,0), and its scene set changes while it runs. One connection per realm is not an option either — the wallet-unique session rule and the per-IP listener cap both forbid it.SceneListenerAoi { realm, parcel_rects },repeatedon the handshake as field 2 — the old realm/rects are dropped outright, no listener ever shipped on them.SceneListenerUpdate(ClientMessageoneof 9) replaces the announced AoI in place on a live connection: no reconnect, no re-authentication.Server side: decentraland/Pulse (linked from the plan). Consumed by bevy-explorer (vendored copy, byte-identical) and unity-explorer.
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