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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 88d446d11d feat(core): Phase B.3 — PhysicsEngine (top-level collision resolver) 
Combines TerrainSurface + CellSurface into a single Resolve() API
that handles outdoor terrain walking, indoor floor walking,
outdoor<->indoor cell transitions, step-height enforcement, and
ground detection.

Step-height blocks upward Z deltas exceeding the limit (walls,
cliffs); downhill movement is always accepted. Indoor transitions
pick the cell whose floor Z is closest to the entity's current Z
(handles multi-story buildings). Reports IsOnGround=false when
no landblock or surface covers the entity's position (gravity
applied by the caller).

One API mismatch fixed vs plan: plan encoded the upper 16 landblock
bits into the returned cell ID, but the tests assert the raw cell ID
(0x0100, <0x0100) — so Resolve returns targetCellId directly.

6 new tests covering flat terrain, slopes, step-height rejection,
indoor entry/exit, and void detection. 243 total, all green.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-12 09:54:28 +02:00
docs docs(plans): Phase B.3 physics collision engine implementation plan 2026-04-12 09:48:06 +02:00
src feat(core): Phase B.3 — PhysicsEngine (top-level collision resolver) 2026-04-12 09:54:28 +02:00
tests feat(core): Phase B.3 — PhysicsEngine (top-level collision resolver) 2026-04-12 09:54:28 +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.