void SelectOption(OptionNode optionNode)
{
// I assume selecting an option will clear the options
// but I can see instances where it shouldn't work that way ...
ClearOptions();
optionNode.SetDoneCallback(OptionCompleted);
optionNode.Execute();
}
private void OptionCompleted(FluentNode fluentNode)
{
OptionNode completedOptionNode = fluentNode as OptionNode;
// Check to see if the selected option wants us to go back
if (completedOptionNode.GoesBack)
{
currentOptionsNode.Done();
return;
}
// The completed option does not go back, just redisplay these options
currentOptionsNode.Execute();
}
public void SetupOptions(OptionsNode optionsNode)
{
// Store the OptionsNode
currentOptionsNode = optionsNode;
OptionNode firstItem = null;
foreach (FluentNode fluentNode in optionsNode.Children)
{
// The optionsNode children are treated sequentially until we find an option,
// after that all nodes should be Options
if (!(fluentNode is OptionNode))
{
continue;
}
OptionNode option = fluentNode as OptionNode;
// Check if we should show this option
if ((option.OnlyDisplayOnce && option.HasBeenChosen) || (option.ShouldShow != null && !option.ShouldShow()))
{
continue;
}
// Create the options prefab
UnityEngine.Object dialogOptionItemPrefab = OptionItemUI;
if (dialogOptionItemPrefab == null)
{
Debug.LogError("Looks like you are trying to add options: You need define a unity ui prefab that will represent your dialog option", this);
return;
}
GameObject dialogOptionItem = (GameObject)Instantiate(dialogOptionItemPrefab, new Vector3(0, 0, 0), Quaternion.identity);
if (OptionsPanel == null)
{
Debug.LogError("You need to define where the options are added to, set the OptionsPanel on " + this.GetType().Name, this);
return;
}
dialogOptionItem.transform.SetParent(OptionsPanel.transform, false);
TextMeshProUGUI dialogOptionItemText = dialogOptionItem.GetComponentInChildren <TextMeshProUGUI>();
if (dialogOptionItemText == null)
{
Debug.LogError("Please add a Unity Text component to your Dialog Item prefab ('" + dialogOptionItem.name + "'");
return;
}
// Set the text to the dialog option's text
dialogOptionItemText.text = option.OptionText;
// If there is a button component on the dialog option we connect the on click add listener
if (dialogOptionItem.GetComponentInChildren <Button>() != null)
{
dialogOptionItem.GetComponentInChildren <Button>().onClick.AddListener(() =>
{
SelectOption(option);
});
}
else
{
Debug.LogError("You need to have a Button component somewhere in your OptionItemUI prefab", dialogOptionItem);
}
// If its the first item, then give it focus
if (firstItem == null)
{
EventSystem.current.SetSelectedGameObject(dialogOptionItem);
firstItem = option;
}
}
}