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fix(ugc): served player models keep the client's own collision

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With ugc_manifest_models the world left made models out of the LXFML it
sends when a property loads, so the client never built them and had no HKX:
the UGC server makes no physics, and the HKX request got a 404, so served
models had no collision.

Now every model's LXFML is sent and the client builds each one (NIF and
HKX). For the models whose mesh the UGC server made, once the client has
loaded and 3 seconds after, the world sends it the served NIF's checksum and
NotifyClientUGCModelReady: the client drops what it cached for the model and
asks again, downloads the served mesh (its own NIF no longer matches) and
keeps its own HKX (still matching). An HKX request is answered with the LXFML
too, followed by the same switch, at most 3 times per client and model.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-28 11:02:29 -05:00
parent 87e47bcaa9
commit 2384f46a57
7 changed files with 112 additions and 35 deletions
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2
dDashboardServer/routes/SettingsCatalog.cpp
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@@ -424,7 +424,7 @@ namespace {
c.Add(Port(UGC, "net_port", "Master connection port", "UDP; the next port is used too.", "2012"));
c.Add(Text(UGC, "client_path", "Download path", "The game client's UGCSERVERDIR.", "/ugc", true));
c.Add(Bool(SHARED, "ugc_manifest", "Answer clients without 3D services", "Worlds tell game clients with UGCUSE3DSERVICES=7:0 (the default) the checksums of the files the UGC server made, so they download icons of cars, rockets and models from UGCSERVERIP, UGCSERVERPORT and UGCSERVERDIR in their boot.cfg (default: the patch server's). A client that can't connect there is logged out, so only turn on when every player's boot.cfg points at the UGC server.", false));
c.Add(When(Bool(SHARED, "ugc_manifest_models", "Placed models from the UGC server", "With the answer to clients without 3D services on: placed player models the UGC server has made are downloaded from it (its mesh) instead of built by each client from the LXFML the world sends. It makes no physics: a client that never built a model itself has no collision for it. Models not made yet are still sent as LXFML.", false), SHARED, "ugc_manifest", { "1" }));
c.Add(When(Bool(SHARED, "ugc_manifest_models", "Placed models from the UGC server", "With the answer to clients without 3D services on: placed player models the UGC server has made are shown with its mesh. Each client still gets every model's LXFML and builds it first (for its collision; the UGC server makes no physics), then is switched to the served mesh a few seconds after it has loaded. Models not made yet stay as the client built them.", false), SHARED, "ugc_manifest", { "1" }));
c.Add(Format(Text(DASHBOARD, "ugc_internal_url", "UGC server address (internal)", "Where the dashboard itself reaches the UGC server for its status and files. Empty: http://127.0.0.1:2008.", ""), eFormat::URL));
c.Add(Format(Text(DASHBOARD, "ugc_public_url", "UGC server address (public)", "Only for the \"open on the UGC server\" links, e.g. https://ugc.example.com. The dashboard's own pages don't need the browser to reach it.", ""), eFormat::URL));
c.AddSection("UGC processing", "When models are made and how much of the machine the workers may use.", eLayout::ROWS, Condition{ MASTER, "enable_ugc_server", { "1" } });