/// <summary>
/// Checks if 2 docks can be connected by moving the shuttle directly onto docks.
/// </summary>
private bool CanDock(
DockingComponent shuttleDock,
TransformComponent shuttleXform,
DockingComponent gridDock,
TransformComponent gridXform,
Vector2 targetGridRotation,
Box2 shuttleAABB,
IMapGridComponent grid,
[NotNullWhen(true)] out Box2?shuttleDockedAABB,
out Matrix3 matty,
out Vector2 gridRotation)
{
gridRotation = Vector2.Zero;
matty = Matrix3.Identity;
shuttleDockedAABB = null;
if (shuttleDock.Docked ||
gridDock.Docked ||
!shuttleXform.Anchored ||
!gridXform.Anchored)
{
return(false);
}
// First, get the station dock's position relative to the shuttle, this is where we rotate it around
var stationDockPos = shuttleXform.LocalPosition +
shuttleXform.LocalRotation.RotateVec(new Vector2(0f, -1f));
var stationDockMatrix = Matrix3.CreateInverseTransform(stationDockPos, -shuttleXform.LocalRotation);
var gridXformMatrix = Matrix3.CreateTransform(gridXform.LocalPosition, gridXform.LocalRotation);
Matrix3.Multiply(in stationDockMatrix, in gridXformMatrix, out matty);
shuttleDockedAABB = matty.TransformBox(shuttleAABB);
if (!ValidSpawn(grid, shuttleDockedAABB.Value))
{
return(false);
}
gridRotation = matty.Transform(targetGridRotation);
return(true);
}
/// <summary>
/// Checks whether the emergency shuttle can warp to the specified position.
/// </summary>
private bool ValidSpawn(IMapGridComponent grid, Box2 area)
{
return(!grid.Grid.GetLocalTilesIntersecting(area).Any());
}