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refactor: racing and vehicle game messages as structs

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Converts the 12 racing / vehicle / modular assembly messages DLU sends
and the 8 it receives to NetGameMsgs in RacingMessages.{h,cpp}, adds
eRacingClientNotificationType for NotifyRacingClient's event type,
switches the callers (RacingControlComponent, CarBoostBehavior,
PossessorComponent, slash commands), registers the received messages
in GameMessageHandler's map and deletes the old functions. Handlers are
copied verbatim. Also moves the byte-equality test helpers into a
shared GameMessageTestUtils.h.

No wire change. Verified byte for byte against a frozen verbatim copy
of the old functions over an input grid, to one client and broadcast;
received messages compared with the old handlers' read sequences
(including all 16 optional-field combinations of
VehicleNotifyHitImaginationServer) and every truncated payload
rejected; hand computed golden bytes; round trips; a deliberate field
mutation made the tests fail. Layouts confirmed against the 1.10.64
client in Ghidra. Malformed received messages are
dropped (see the foundations commit).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-26 10:34:31 -05:00
parent 060a5e4c5b
commit 9f142c9cc7
16 changed files with 1198 additions and 463 deletions
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40
dGame/dGameMessages/GameMessages.h
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@@ -134,8 +134,6 @@ namespace GameMessages {
void SendPlayerAllowedRespawn(LWOOBJID entityID, bool doNotPromptRespawn, const SystemAddress& systemAddress);
void SendInvalidZoneTransferList(Entity* entity, const SystemAddress& sysAddr, const std::u16string& feedbackURL, const std::u16string& invalidMapTransferList, bool feedbackOnExit, bool feedbackOnInvalidTransfer);
void SendKnockback(const LWOOBJID& objectID, const LWOOBJID& caster, const LWOOBJID& originator, int knockBackTimeMS, const NiPoint3& vector);
// https://lcdruniverse.org/lu_packets/lu_packets/world/gm/client/struct.VehicleStopBoost.html
void SendVehicleStopBoost(Entity* targetEntity, const SystemAddress& playerSysAddr, bool affectPassive);
void SendStartArrangingWithItem(
Entity* entity,
const SystemAddress& sysAddr,
@@ -584,40 +582,8 @@ namespace GameMessages {
void SendGetHotPropertyData(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
//Racing:
void HandleModuleAssemblyQueryData(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleModularAssemblyNIFCompleted(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleVehicleSetWheelLockState(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleRacingClientReady(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleRequestDie(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleVehicleNotifyServerAddPassiveBoostAction(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleVehicleNotifyServerRemovePassiveBoostAction(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleRacingPlayerInfoResetFinished(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleVehicleNotifyHitImaginationServer(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void SendModuleAssemblyDBDataForClient(LWOOBJID objectId, LWOOBJID assemblyID, const std::u16string& data, const SystemAddress& sysAddr);
void SendNotifyVehicleOfRacingObject(LWOOBJID objectId, LWOOBJID racingObjectID, const SystemAddress& sysAddr);
void SendRacingPlayerLoaded(LWOOBJID objectId, LWOOBJID playerID, LWOOBJID vehicleID, const SystemAddress& sysAddr);
void SendVehicleUnlockInput(LWOOBJID objectId, bool bLockWheels, const SystemAddress& sysAddr);
void SendVehicleSetWheelLockState(LWOOBJID objectId, bool bExtraFriction, bool bLocked, const SystemAddress& sysAddr);
void SendRacingSetPlayerResetInfo(LWOOBJID objectId, int32_t currentLap, uint32_t furthestResetPlane, LWOOBJID playerID, NiPoint3 respawnPos, uint32_t upcomingPlane, const SystemAddress& sysAddr);
void SendRacingResetPlayerToLastReset(LWOOBJID objectId, LWOOBJID playerID, const SystemAddress& sysAddr);
void SendNotifyRacingClient(LWOOBJID objectId, int32_t eventType, int32_t param1, LWOOBJID paramObj, std::u16string paramStr, LWOOBJID singleClient, const SystemAddress& sysAddr);
void SendUseItemRequirementsResponse(LWOOBJID objectID, const SystemAddress& sysAddr, eUseItemResponse itemResponse);
// SG:
@@ -657,12 +623,6 @@ namespace GameMessages {
void HandleRequestActivitySummaryLeaderboardData(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
void HandleActivityStateChangeRequest(RakNet::BitStream& inStream, Entity* entity);
void SendVehicleAddPassiveBoostAction(LWOOBJID objectId, const SystemAddress& sysAddr);
void SendVehicleRemovePassiveBoostAction(LWOOBJID objectId, const SystemAddress& sysAddr);
void SendVehicleNotifyFinishedRace(LWOOBJID objectId, const SystemAddress& sysAddr);
//NT:
void HandleRequestMoveItemBetweenInventoryTypes(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);