FurnitureElectricElement.cs

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using Engine;
 
namespace Game {
    public abstract class FurnitureElectricElement : ElectricElement {
        public FurnitureElectricElement(SubsystemElectricity subsystemElectricity, Point3 point) : base(
            subsystemElectricity,
            GetMountingCellFaces(subsystemElectricity, point)
        ) { }
 
        public static IEnumerable<CellFace> GetMountingCellFaces(SubsystemElectricity subsystemElectricity, Point3 point) {
            int data = Terrain.ExtractData(subsystemElectricity.SubsystemTerrain.Terrain.GetCellValue(point.X, point.Y, point.Z));
            int rotation = FurnitureBlock.GetRotation(data);
            int designIndex = FurnitureBlock.GetDesignIndex(data);
            FurnitureDesign design = subsystemElectricity.SubsystemTerrain.SubsystemFurnitureBlockBehavior.GetDesign(designIndex);
            if (design == null) {
                yield break;
            }
            int face = 0;
            while (face < 6) {
                int num = face < 4 ? (face - rotation + 4) % 4 : face;
                if ((design.MountingFacesMask & (1 << num)) != 0) {
                    yield return new CellFace(point.X, point.Y, point.Z, CellFace.OppositeFace(face));
                }
                int num2 = face + 1;
                face = num2;
            }
        }
    }
}