fCraft.DrawCommands.Fill3DCallback C# (CSharp) Method

        static void Fill3DCallback([NotNull] Player player, [NotNull] Vector3I[] marks, [NotNull] object tag) {
            if (player == null) throw new ArgumentNullException("player");
            if (marks == null) throw new ArgumentNullException("marks");
            if (tag == null) throw new ArgumentNullException("tag");

            DrawOperation op = (DrawOperation)tag;
            if (!op.Prepare(marks)) return;
            if (player.WorldMap.GetBlock(marks[0]) == Block.Air) {
                Logger.Log(LogType.UserActivity,
                           "Fill3D: Asked {0} to confirm replacing air on world {1}",
                           player.Name,
                           player.World.Name);
                player.Confirm(Fill3DConfirmCallback, op, "{0}: Replace air?", op.Description);
            } else {
                Fill3DConfirmCallback(player, op, false);
            }
        }