/// <summary>
/// Shows the next dialogue line if there is any and option buttons if we hit the end of dialogue.
/// </summary>
private void ShowNextDialogueLine()
{
if (lines.Count == 0)
{
Debug.LogWarning("There is no dialogue line left!");
return;
}
DialogueLine dl = lines.Dequeue();
SetDialogueWindow(dl);
if (dl.actions != null)
{
ExecuteAllDialogueActions(dl.actions);
}
if (lines.Count != 0)
{
nextButton.SetActive(true);
}
//we are at the end of the dialogue, shows options
else
{
nextButton.SetActive(false);
if (currentDialogue.dialogueOptions == null || currentDialogue.dialogueOptions.Length == 0)
{
ConversationEnded?.Invoke();
return;
}
//show each option in dialogue
for (int i = 0; i < currentDialogue.dialogueOptions.Length; i++)
{
DialogueOption opt = currentDialogue.dialogueOptions[i];
if (opt.prerequisities != null && !DoesMeetPrerequisities(opt.prerequisities))
{
continue;
}
GameObject go = Instantiate(dialogueOptionPrefab) as GameObject;
go.transform.SetParent(dialogueWindow, false);
DialogueOptionButton button = go.gameObject.GetComponent <DialogueOptionButton>();
button.dialogueOptionID = i;
button.optionText.text = opt.optionText;
optionButtons.Add(go);
}
}
}
/// <summary>
/// When user clicks option button, execute all choice actions and then prepares new dialogue if there is any
/// </summary>
/// <param name="id">position of the choice in the array</param>
private void OnDialogueOptionClicked(int id)
{
for (int i = optionButtons.Count - 1; i >= 0; i--)
{
Destroy(optionButtons[i]);
}
optionButtons.Clear();
DialogueOption option = currentDialogue.dialogueOptions[id];
if (option.actions != null)
{
ExecuteAllDialogueActions(option.actions);
}
if (option.subsequentDialogue != null)
{
currentDialogue = option.subsequentDialogue;
PrepareNextDialogues();
ShowNextDialogueLine();
}
}
