erik/acdream
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

feat(D.2b): wire ConfirmMove (0x0022 echo) + RollbackMove (0x00A0) for optimistic inventory moves

Browse source 
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-06-22 19:51:20 +02:00
parent 6f0012bd14
commit 4aebf444d9
2 changed files with 31 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/AcDream.Core.Net/GameEventWiring.cs
View file

@ -246,8 +246,9 @@ public static class GameEventWiring
dispatcher.Register(GameEventType.InventoryPutObjInContainer, e =>
{
var p = GameEvents.ParsePutObjInContainer(e.Payload.Span);
if (p is not null) items.MoveItem(p.Value.ItemGuid, p.Value.ContainerGuid,
newSlot: (int)p.Value.Placement);
if (p is null) return;
items.MoveItem(p.Value.ItemGuid, p.Value.ContainerGuid, newSlot: (int)p.Value.Placement);
items.ConfirmMove(p.Value.ItemGuid); // B-Drag: the server confirmed our optimistic move
});
// ViewContents (0x0196) — the server's AUTHORITATIVE full contents list for a container you
@ -273,14 +274,16 @@ public static class GameEventWiring
if (guid is not null) items.MoveItem(guid.Value, newContainerId: 0u);
});
// B-Wire: InventoryServerSaveFailed (0x00A0) — rollback of a speculative move.
// acdream does not do speculative moves yet (read-only inventory); parse + log
// so the wire is correct. B-Drag wires the rollback behavior. (Divergence note.)
// B-Drag: InventoryServerSaveFailed (0x00A0) — server rejected an optimistic move.
// Snap the item back to its pre-move slot. Log only when there was no pending move
// (a server-initiated failure on a non-optimistic path).
dispatcher.Register(GameEventType.InventoryServerSaveFailed, e =>
{
var p = GameEvents.ParseInventoryServerSaveFailed(e.Payload.Span);
if (p is not null)
Console.WriteLine($"[B-Wire] InventoryServerSaveFailed guid=0x{p.Value.ItemGuid:X8} err=0x{p.Value.WeenieError:X}");
if (p is null) return;
// B-Drag: the server rejected an optimistic move — snap the item back to its pre-move slot.
if (!items.RollbackMove(p.Value.ItemGuid))
Console.WriteLine($"[B-Drag] InventoryServerSaveFailed guid=0x{p.Value.ItemGuid:X8} err=0x{p.Value.WeenieError:X} (no pending move)");
});
// B-Wire: CloseGroundContainer (0x0052) — server closed a ground-container