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feat(physics #145): Slice 1 — Position/Frame types + LandDefs.GetBlockOffset (0x0043e630)

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Introduces the two value types (Frame, Position) that represent retail's
cell-relative position pair (acclient.h:30647/30658). Types are unused
by consumers yet — zero behavior change. Also ports LandDefs::get_block_offset
(pc:69189, @0x0043e630): world-meter offset between two named landblock ids,
the ONLY cross-cell translation primitive in retail physics. Conformance tests:
same-landblock→Zero, south-neighbour→(0,-192,0) (the exact #145 cascade cell),
east-neighbour→(+192,0,0), diagonal→(+192,+192,0). 4/4 pass; full Core suite
1522 passed / 0 failed. DatFrame alias added to 4 files that had using
DatReaderWriter.Types + using AcDream.Core.Physics in scope simultaneously.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-06-21 10:30:20 +02:00
parent ed32db70d7
commit 438bb681a5
8 changed files with 115 additions and 18 deletions
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3
tests/AcDream.Core.Tests/Streaming/GpuWorldStateActivatorTests.cs
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@ -10,6 +10,7 @@ using DatReaderWriter.DBObjs;
using DatReaderWriter.Types;
using Xunit;
using DatPhysicsScript = DatReaderWriter.DBObjs.PhysicsScript;
using DatFrame = DatReaderWriter.Types.Frame;
namespace AcDream.Core.Tests.Streaming;
@ -43,7 +44,7 @@ public sealed class GpuWorldStateActivatorTests
script.ScriptData.Add(new PhysicsScriptData
{
StartTime = 0.0,
Hook = new CreateParticleHook { EmitterInfoId = 100u, Offset = new Frame() },
Hook = new CreateParticleHook { EmitterInfoId = 100u, Offset = new DatFrame() },
});
var table = new Dictionary<uint, DatPhysicsScript> { [scriptId] = script };