Fix planet docking (#20104)

Content.Server/Shuttles/Systems/DockingSystem.Shuttle.cs

@@ -46,6 +46,7 @@ public sealed partial class DockingSystem
        Angle targetGridRotation,
        FixturesComponent shuttleFixtures,
        MapGridComponent grid,
+       bool isMap,
        out Matrix3 matty,
        out Box2 shuttleDockedAABB,
        out Angle gridRotation)
@@ -75,7 +76,7 @@ public sealed partial class DockingSystem
        var gridXformMatrix = Matrix3.CreateTransform(gridDockXform.LocalPosition, gridDockAngle);
        Matrix3.Multiply(in stationDockMatrix, in gridXformMatrix, out matty);
 
-       if (!ValidSpawn(grid, matty, offsetAngle, shuttleFixtures))
+       if (!ValidSpawn(grid, matty, offsetAngle, shuttleFixtures, isMap))
            return false;
 
        shuttleDockedAABB = matty.TransformBox(shuttleAABB);
@@ -136,6 +137,8 @@ public sealed partial class DockingSystem
         var shuttleFixturesComp = Comp<FixturesComponent>(shuttleUid);
         var shuttleAABB = Comp<MapGridComponent>(shuttleUid).LocalAABB;
 
+        var isMap = HasComp<MapComponent>(targetGrid);
+
         var validDockConfigs = new List<DockingConfig>();
         if (shuttleDocks.Count > 0)
         {
@@ -155,6 +158,7 @@ public sealed partial class DockingSystem
                            targetGridAngle,
                            shuttleFixturesComp,
                            targetGridGrid,
+                           isMap,
                            out var matty,
                            out var dockedAABB,
                            out var targetAngle))
@@ -205,6 +209,7 @@ public sealed partial class DockingSystem
                                    shuttleAABB,
                                    targetGridAngle,
                                    shuttleFixturesComp, targetGridGrid,
+                                   isMap,
                                    out _,
                                    out var otherdockedAABB,
                                    out var otherTargetAngle))
@@ -255,9 +260,9 @@ public sealed partial class DockingSystem
     }
 
    /// <summary>
-   /// Checks whether the emergency shuttle can warp to the specified position.
+   /// Checks whether the shuttle can warp to the specified position.
    /// </summary>
-   private bool ValidSpawn(MapGridComponent grid, Matrix3 matty, Angle angle, FixturesComponent shuttleFixturesComp)
+   private bool ValidSpawn(MapGridComponent grid, Matrix3 matty, Angle angle, FixturesComponent shuttleFixturesComp, bool isMap)
    {
        var transform = new Transform(matty.Transform(Vector2.Zero), angle);
 
@@ -268,8 +273,32 @@ public sealed partial class DockingSystem
            var aabb = polyShape.ComputeAABB(transform, 0);
            aabb = aabb.Enlarged(-0.01f);
 
-           if (grid.GetLocalTilesIntersecting(aabb).Any())
-               return false;
+           // If it's a map check no hard collidable anchored entities overlap
+           if (isMap)
+           {
+               foreach (var tile in grid.GetLocalTilesIntersecting(aabb))
+               {
+                   var anchoredEnumerator = grid.GetAnchoredEntitiesEnumerator(tile.GridIndices);
+
+                   while (anchoredEnumerator.MoveNext(out var anc))
+                   {
+                       if (!_physicsQuery.TryGetComponent(anc, out var physics) ||
+                           !physics.CanCollide ||
+                           !physics.Hard)
+                       {
+                           continue;
+                       }
+
+                       return false;
+                   }
+               }
+           }
+           // If it's not a map check it doesn't overlap the grid.
+           else
+           {
+               if (grid.GetLocalTilesIntersecting(aabb).Any())
+                   return false;
+           }
        }
 
        return true;