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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 13f56b62a0 docs(research): collision transition system pseudocode from decompiled + ACE 
Cross-referenced ACE's Transition.cs, SpherePath.cs, CollisionInfo.cs,
BSPTree.cs, BSPNode.cs, LandCell.cs, EnvCell.cs, Sphere.cs against the
decompiled retail client (chunk_00530000.c FUN_005387c0, FUN_00538180).

Covers the full collision pipeline:
- FindTransitionalPosition (step subdivision, main loop)
- TransitionalInsert (per-step cell collision + response)
- FindEnvCollisions (terrain + indoor BSP paths)
- StepUp/StepDown (step height handling)
- AdjustOffset/SlideSphere (wall slide projection)
- ValidateTransition (post-step validation, FramesStationaryFall safety)

Documents which primitives are already ported in CollisionPrimitives.cs
and BSPQuery.cs, and catalogs what remains to be implemented.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 23:41:13 +02:00
docs docs(research): collision transition system pseudocode from decompiled + ACE 2026-04-13 23:41:13 +02:00
src feat(physics): PhysicsDataCache + BSP sphere query 2026-04-13 23:28:39 +02:00
tests feat(physics): PhysicsDataCache + BSP sphere query 2026-04-13 23:28:39 +02:00
tools feat(core): port decompiled AC client physics — CollisionPrimitives + PhysicsBody 2026-04-12 23:54:51 +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: comprehensive architecture plan for acdream 2026-04-13 14:23:50 +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.