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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 5280950806 fix(core): Phase B.2 — require indoor floor below terrain for outdoor→indoor transition 
Previous cellId-mask fix was necessary but insufficient: the engine
correctly identified the player as outdoor, but then immediately
transitioned to an indoor cell because a CellSurface floor polygon
covered the player's XY at a Z within stepUpHeight. The floor
polygon was a roof or upper floor of a nearby building that happens
to sit at terrain level — not a walkable indoor floor the player
should snap to.

Fix: outdoor→indoor transition now requires bestCellZ < terrainZ - 1.
A genuine indoor transition is into a cell whose floor is BELOW the
terrain surface (basement, ground floor of elevated building). Cells
at or above terrain Z are roofs/upper floors viewed from outside and
must not capture the player.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-12 15:05:54 +02:00
docs docs(plans): Phase B.2 player movement implementation plan 2026-04-12 14:10:13 +02:00
src fix(core): Phase B.2 — require indoor floor below terrain for outdoor→indoor transition 2026-04-12 15:05:54 +02:00
tests feat(net): Phase B.2 — MoveToState + AutonomousPosition message builders 2026-04-12 14:28:35 +02:00
.gitignore chore: phase 0 — skeleton + dat asset inventory 2026-04-10 09:02:56 +02:00
AcDream.slnx feat(net): AcDream.Core.Net scaffold + ISAAC keystream (Phase 4.1) 2026-04-11 14:14:28 +02:00
CLAUDE.md feat(net): Phase 4.9 — send ACK_SEQUENCE for every received server packet 2026-04-11 23:42:41 +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.