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feat(app): Phase B.3 — wire PhysicsEngine into streaming pipeline

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Populates the collision engine with TerrainSurface + CellSurface
entries when landblocks stream in, removes them when they stream
out. CellSurface vertices are transformed from cell-local to world
space using EnvCell.Position orientation + origin.

Phase B.2 (player movement mode) will call PhysicsEngine.Resolve()
to get collision-validated positions before sending them to the
server.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-04-12 09:58:07 +02:00
parent 88d446d11d
commit 9bd4d1eed8
2 changed files with 68 additions and 2 deletions
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6
src/AcDream.App/Streaming/StreamingController.cs
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@ -20,6 +20,7 @@ public sealed class StreamingController
private readonly Action<uint> _enqueueUnload;
private readonly Func<int, IReadOnlyList<LandblockStreamResult>> _drainCompletions;
private readonly Action<LoadedLandblock> _applyTerrain;
private readonly Action<uint>? _removeTerrain;
private readonly GpuWorldState _state;
private StreamingRegion? _region;
@ -49,12 +50,14 @@ public sealed class StreamingController
Func<int, IReadOnlyList<LandblockStreamResult>> drainCompletions,
Action<LoadedLandblock> applyTerrain,
GpuWorldState state,
int radius)
int radius,
Action<uint>? removeTerrain = null)
{
_enqueueLoad = enqueueLoad;
_enqueueUnload = enqueueUnload;
_drainCompletions = drainCompletions;
_applyTerrain = applyTerrain;
_removeTerrain = removeTerrain;
_state = state;
Radius = radius;
}
@ -94,6 +97,7 @@ public sealed class StreamingController
break;
case LandblockStreamResult.Unloaded unloaded:
_state.RemoveLandblock(unloaded.LandblockId);
_removeTerrain?.Invoke(unloaded.LandblockId);
break;
case LandblockStreamResult.Failed failed:
Console.WriteLine(