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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 fdc568a4a0 docs(specs): Phase B.3 — physics collision engine design 
Pure-computation collision engine for ground-based entity movement.
Three components: TerrainSurface (outdoor heightmap Z interpolation),
CellSurface (indoor EnvCell floor polygon projection), PhysicsEngine
(top-level resolver with step-height enforcement, outdoor/indoor
cell transitions via CellPortals, and gravity reporting).

Uses PhysicsPolygons from CellStruct for walkable surfaces with
brute-force polygon iteration (< 20 polys per cell). BSP tree
acceleration deferred — same collision fidelity, simpler code.

Standalone module with no rendering or networking dependencies.
~15-20 unit tests with fake data covering flat terrain, slopes,
stairs, wall rejection, and cell transitions. Integration with
the streaming system via ApplyLoadedTerrainLocked. Consumed by
Phase B.2 (player movement mode, separate spec).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-12 09:42:31 +02:00
docs docs(specs): Phase B.3 — physics collision engine design 2026-04-12 09:42:31 +02:00
src chore(app): disable VSync during development 2026-04-12 09:22:54 +02:00
tests feat(app): Phase A.2 — FrustumCuller + FrustumPlanes (Gribb-Hartmann) 2026-04-12 08:49:17 +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.