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Modern open-source C# .NET 10 Asheron's Call client. Faithful port of retail client behaviour to Silk.NET with a plugin API.
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Erik 82e857cf21 fix(app): interior stabs are landblock-local, not cell-local 
Phase 2d's initial composition was cellOrigin + cellRot*stabLocal,
assuming EnvCell.StaticObjects carried cell-local frames and that
EnvCell.Position was the cell-to-landblock transform. User reported
all interior objects "far up in the air" after the initial Phase 2d.

Diagnostic confirmed the real shape: EnvCell 0xA9B40100.Position.Origin
= (84.1, 131.5, 66.0) and the first Stab inside it had Frame.Origin =
(92.1, 131.5, 68.0). Both are in landblock-local X/Y/Z space — the
stab is 8 units east and 2 units up from the cell's registered origin
but expressed in the SAME coordinate space, not as an offset. Adding
the cell origin on top double-counted ~155 units in Z and put the
statue at worldPos Y=263 Z=233+, completely out of range.

EnvCell.Position appears to tell the physics engine which landblock
region owns the cell (for collision/portal lookups) rather than acting
as a cell-to-landblock transform for contained objects. The stabs are
already in the same coordinate system as LandBlockInfo.Objects stabs.

Fix: drop the cell origin + cell rotation from the composition. World
position is now just stab.Frame.Origin + lbOffset, mirroring the
regular Stab handling exactly.

Smoke verified: 475 interior objects still hydrate, process runs clean.
Visual verification pending.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-10 21:51:34 +02:00
docs/plans docs: phase 2b implementation plan (9 tasks) 2026-04-10 20:13:03 +02:00
src fix(app): interior stabs are landblock-local, not cell-local 2026-04-10 21:51:34 +02:00
tests feat(core): add IGameState, IEvents, WorldEvents with replay-on-subscribe 2026-04-10 20:29:29 +02:00
.gitignore chore: phase 0 — skeleton + dat asset inventory 2026-04-10 09:02:56 +02:00
AcDream.slnx feat(app): wire plugin host, ship smoke plugin, log lifecycle 2026-04-10 16:46:25 +02:00
README.md chore: phase 0 — skeleton + dat asset inventory 2026-04-10 09:02:56 +02:00

README.md

acdream

Experimental modern open-source Asheron's Call client in C# / .NET 10.

Status: pre-alpha, not playable. Phase 0 only — dat file asset inventory.

Stack: .NET 10, Chorizite.DatReaderWriter for dat parsing. Silk.NET + Avalonia planned for rendering/UI (not yet wired up).

Requires: A retail Asheron's Call install (Turbine/Microsoft property — supply your own). Set ACDREAM_DAT_DIR environment variable to the directory containing client_portal.dat, client_cell_1.dat, client_highres.dat, and client_local_English.dat, or pass it as the first CLI argument.

Layout

  • src/AcDream.Cli/ — console app that dumps asset counts from a dat directory
  • references/ — local read-only reference material (ACE, ACViewer, WorldBuilder, DatReaderWriter, holtburger, retail AC install). Gitignored.

Run

dotnet run --project src/AcDream.Cli -- "C:\path\to\Asheron's Call"

Or set ACDREAM_DAT_DIR and run without args.