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feat(bbb): answer FetchModelMetadataRequest for brick built models

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The client asks for a model's metadata (name, owner, behaviors and its blueprint's
bricks and box) when it shows a brick built model item's tooltip, a model on a
property or an exhibit, and shows BBB_LOADING_BLUEPRINT until it gets it. The
world server never answered. It now does as live did: UG data for the model
(found among the player's items by subkey, else among placed models) and, for a
brick built model, the blueprint data from its ugc row and LXFML.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-27 14:47:29 -05:00
parent 0b89aa6669
commit abfcea36d7
11 changed files with 479 additions and 0 deletions
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64
dGame/dGameMessages/BuildingMessages.h
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@@ -242,6 +242,70 @@ namespace GameMessages {
int32_t count{};
};
// A model's user generated data (UGObjectMetadata::Serialize, 0x00f5f590)
struct UGObjectMetadata {
LWOOBJID userModelID{};
LWOOBJID blueprintID{};
std::u16string userModelName;
std::u16string userModelDesc;
LWOOBJID owningPlayerID{};
LWOOBJID accountID{};
std::u16string owningPlayerName;
std::vector<LWOOBJID> userModelBehaviors; // a u8 count on the wire; live always sent 5
void Serialize(RakNet::BitStream& bitStream) const;
bool Deserialize(RakNet::BitStream& bitStream);
};
// A brick built model's blueprint data (BlueprintMetadata::Serialize, 0x00f5f760)
struct BlueprintMetadata {
LWOOBJID blueprintID{};
int64_t blueprintCreationTimestamp{}; // Unix seconds
int32_t userModelMod{ 1 };
NiPoint3 modelBoxMins{}; // the model's box, relative to its origin (the exhibit checks its size)
NiPoint3 modelBoxMaxs{};
bool userModelOpt{ true };
bool ugcIconReady{ true };
std::u16string brickListColonDelim; // every brick's LOT, each followed by ':'
bool neverFalseIfPresentInCaps{ true };
int32_t numberOfBricks{};
void Serialize(RakNet::BitStream& bitStream) const;
bool Deserialize(RakNet::BitStream& bitStream);
};
// Client -> server. The client wants the name, owner, behaviors and blueprint of a model (its UGID) it has no
// metadata for: a brick built model item's tooltip (LWOInventoryComponent_Client::FillinDetailsBlueprint, 0x00cddb40, via
// UGModelMetadataCache::GetModelMetadata, 0x00b5e680), a model on the property, an exhibit.
struct FetchModelMetadataRequest : public NetGameMsg {
FetchModelMetadataRequest() : NetGameMsg(MessageType::Game::FETCH_MODEL_METADATA_REQUEST) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
void Handle(Entity& entity, const SystemAddress& sysAddr) override;
int32_t context{};
LWOOBJID objectID{};
LWOOBJID requestorID{};
LWOOBJID ugID{};
};
// Server -> client. The answer: the client caches it by UGID and blueprint id and writes it into the config of
// the inventory item objectID (LWOInventoryComponent_Client::msgFetchModelMetadataResponse, 0x00c64300).
struct FetchModelMetadataResponse : public NetGameMsg {
FetchModelMetadataResponse() : NetGameMsg(MessageType::Game::FETCH_MODEL_METADATA_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
LWOOBJID ugID{};
LWOOBJID objectID{};
LWOOBJID requestorID{};
int32_t context{};
bool bHasUGData{};
bool bHasBPData{};
UGObjectMetadata ugData; // when bHasUGData
BlueprintMetadata bpData; // when bHasBPData
};
struct SetModelToBuild : public NetGameMsg {
SetModelToBuild() : NetGameMsg(MessageType::Game::SET_MODEL_TO_BUILD) {}
void Serialize(RakNet::BitStream& bitStream) const override;