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fix(physics): activate collision generations atomically

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This commit is contained in:
Erik 2026-07-31 15:19:25 +02:00
parent 3e0f3b6206
commit be94bc9b06
18 changed files with 1402 additions and 80 deletions
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33
src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs
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@ -174,7 +174,14 @@ internal sealed class HeadlessCollisionNeighborhood
RuntimePhysicsState physics =
_runtime.EntityObjects.Physics;
PhysicsDataCache cache = physics.DataCache;
RuntimeCollisionAdmission admission =
physics.BeginCollisionAdmission(landblockId);
using PreparedLandblockCollisionGeneration prepared =
physics.PrepareCollisionGeneration(admission);
prepared.SetAssetClosure(
[.. collisions.GfxObjIds],
[.. collisions.SetupIds]);
PhysicsDataCache cache = prepared.DataCache;
TerrainSurface terrain =
LandblockPhysicsContentBuilder.BuildTerrainSurface(
landblock,
@ -197,12 +204,11 @@ internal sealed class HeadlessCollisionNeighborhood
cache,
collisions);
RuntimeCollisionAdmission admission =
physics.BeginCollisionAdmission(landblockId);
try
{
physics.AdmitCollisionAssets(
physics.StageCollisionAssets(
admission,
prepared,
new RuntimeLandblockCollisionAssets(
landblockId,
terrain,
@ -213,12 +219,27 @@ internal sealed class HeadlessCollisionNeighborhood
currentCellId));
_ = LandblockPhysicsContentBuilder
.PublishStaticCollision(
physics.Engine,
prepared.Engine,
cache,
landblock,
collisions,
origin);
_ = physics.CompleteCollisionAdmission(admission);
foreach (uint ownerId in physics.CaptureCollisionDynamicOwners(
admission,
prepared))
{
physics.RefreshCollisionDynamicOwner(
admission,
prepared,
ownerId);
}
RuntimeCollisionGenerationCommit commit =
physics.CommitCollisionGeneration(admission, prepared);
if (!commit.Committed)
{
throw new InvalidOperationException(
"Headless collision generation changed during synchronous publication.");
}
_resident.Add(CanonicalLandblock(landblockId));
}
catch