[Serializable]
public class Dialogue
{
    // NPC Character which says the line
    [SerializeField]
    private NPCharacter npcCharacter;
    public NPCharacter NpcCharacter => npcCharacter;

    // Dialogue line which will be displayed on screen
    [SerializeField, TextArea(3, 5)]
    private string line;

    // Enum flag for easier checking which condition apply for dialogue if any
    [Flags]
    public enum DialogueVariables
    {
        Item = 1 << 1,
        Requirement = 1 << 2,
        SetAfterDialogue = 1 << 3,
    };

    [SerializeField, EnumToggleButtons]
    private DialogueVariables dialogueVariables;

    // Odin Inspector properties for hiding not used properties to remove clutter in inspector
    private bool ShowItemThings => (dialogueVariables & DialogueVariables.Item) == DialogueVariables.Item;
    private bool ShowRequiredThings => (dialogueVariables & DialogueVariables.Requirement) == DialogueVariables.Requirement;
    private bool ShowSetThings => (dialogueVariables & DialogueVariables.SetAfterDialogue) == DialogueVariables.SetAfterDialogue;

    // Item required to be held in hand in order to start this dialogue
    [GUIColor(0.8f, 0.8f, 1f, 1f)]
    [SerializeField, ShowIf("ShowItemThings")]
    private Item requiredItem;
    [GUIColor(0.8f, 0.8f, 1f, 1f)]
    [SerializeField, ShowIf("ShowItemThings")]
    private bool removeItem;

    // Variables required to have desired values to be able to start this dialogue
    [GUIColor(1f, 0.8f, 0.8f, 1f)]
    [SerializeField, ShowIf("ShowRequiredThings")]
    private List<GlobalVariableCompareTemplate> requirementVariables;

    // Variables to be set when dialogue starts
    [GUIColor(0.8f, 1f, 0.8f, 1f)]
    [Space]
    [SerializeField, ShowIf("ShowSetThings")]
    private List<GlobalVariableTemplate> setVariables;

    // Accessors and other methods ommited
}