// Represents a chunk of the mission content -- typically, a trigger
// condition and a chunk of dialog.
public class FlowItem {

    public enum ItemType { TITLE = 0, BACKGROUND, SORTIE_START, OBJECTIVE_COMPLETE, SORTIE_COMPLETE, CUTSCENE };

    private ItemType type;
    // A blocking FlowItem prevents later FlowItems from playing until this one's
    // trigger condition has been met.
    private bool blocking = true;

    public FlowItem(string defLine) {
        var params = new Dictionary<string, string>();
        foreach (var p in params) {
        }
    }

    public void AddLine(string itemLine) {
    }
}