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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 8941447204 fix(app): Phase A.1 — canonicalize live spawn landblockId in AppendLiveEntity 
After the 0xFFFF terminator fix in f83a8c1, terrain renders correctly
but live NPCs and weenies disappeared. Root cause: the server's
ServerPosition.LandblockId is in cell-resolved form (0xAAAA00CC where
the low 16 bits are the cell index within the landblock), but the
streaming system stores landblocks in GpuWorldState keyed by their
canonical 0xAAAAFFFF form. AppendLiveEntity was passing the raw
server id straight into the dict TryGetValue, missing every time, and
silently dropping the spawn.

Fix: canonicalize at the GpuWorldState boundary by masking with
(0xFFFF0000u | 0xFFFFu). The XML doc on the method explains the two
forms so future callers don't have to guess. Calling code stays
unchanged.

212 tests green.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-11 23:10:18 +02:00
docs fix(app): Phase A.1 — separate Visible from Resident in StreamingRegion 2026-04-11 22:08:17 +02:00
src fix(app): Phase A.1 — canonicalize live spawn landblockId in AppendLiveEntity 2026-04-11 23:10:18 +02:00
tests fix(app): Phase A.1 — encode landblock IDs with 0xFFFF terminator, not 0xFFFE 2026-04-11 22:59:21 +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 docs(claude): tighten operating instructions + roadmap discipline + subagent policy 2026-04-11 21:48:19 +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.