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Fix pathfinding exception (#11228)

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This commit is contained in:
Leon Friedrich
2022-09-14 19:06:24 +12:00
committed by GitHub
parent e060b2cf41
commit 6b05861068
2 changed files with 12 additions and 10 deletions
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3
Content.Server/NPC/HTN/PrimitiveTasks/Operators/PickAccessibleComponentOperator.cs
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@@ -77,6 +77,9 @@ public sealed class PickAccessibleComponentOperator : HTNOperator
// TODO: God the path api sucks PLUS I need some fast way to get this.
var job = _path.RequestPath(owner, target.Owner, CancellationToken.None);
if (job == null)
continue;
await job.AsTask;
if (job.Result == null || !_entManager.TryGetComponent<TransformComponent>(target.Owner, out var targetXform))

19
Content.Server/NPC/Pathfinding/PathfindingSystem.cs
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@@ -37,7 +37,7 @@ namespace Content.Server.NPC.Pathfinding
return job;
}
public Job<Queue<TileRef>> RequestPath(EntityUid source, EntityUid target, CancellationToken cancellationToken)
public Job<Queue<TileRef>>? RequestPath(EntityUid source, EntityUid target, CancellationToken cancellationToken)
{
var collisionMask = 0;
@@ -46,18 +46,17 @@ namespace Content.Server.NPC.Pathfinding
collisionMask = body.CollisionMask;
}
var start = TileRef.Zero;
var end = TileRef.Zero;
if (TryComp<TransformComponent>(source, out var xform) &&
_mapManager.TryGetGrid(xform.GridUid, out var grid) &&
TryComp<TransformComponent>(target, out var targetXform) &&
_mapManager.TryGetGrid(targetXform.GridUid, out var targetGrid))
if (!TryComp<TransformComponent>(source, out var xform) ||
!_mapManager.TryGetGrid(xform.GridUid, out var grid) ||
!TryComp<TransformComponent>(target, out var targetXform) ||
!_mapManager.TryGetGrid(targetXform.GridUid, out var targetGrid))
{
start = grid.GetTileRef(xform.Coordinates);
end = grid.GetTileRef(targetXform.Coordinates);
return null;
}
var start = grid.GetTileRef(xform.Coordinates);
var end = targetGrid.GetTileRef(targetXform.Coordinates);
var args = new PathfindingArgs(source, _access.FindAccessTags(source), collisionMask, start, end);
var startNode = GetNode(start);