/** This is where the bulk of the dialogue system is.
* It will get the appropriate dialogue to display and run the typewriter effect.
*/
private void GetNextDialogue()
{
if (finishedTyping)
{
currentDialogue = GetCurrentDialogue();
// Check if there are any other dialogue to display.
// If not, we close the dialogue.
if (currentDialogueIndex < currentDialogue.dialogue.Count)
{
finishedTyping = false;
textMeshAnimator.text = currentDialogue.dialogue[currentDialogueIndex];
textToType = textMesh.text;
textMesh.text = "";
ShowDialogue();
StopAllCoroutines(); // Stop previous typewriter.
StartCoroutine(Typewriter());
}
else
{
ExitConversation();
}
}
}
/** Get the name of the button's text and use it to find the ResponseObject.
* The button's text was set by the ResponseObject's responseText in the ShowResponses() method.
* Therefore, allowing us to use it to find which responseObject to use.
*/
public void OnResponseClick()
{
currentDialogue = GetCurrentDialogue();
string buttonPressed = EventSystem.current.currentSelectedGameObject.GetComponentInChildren <TextMeshProUGUI>().text;
D_Response selectedResponse = null;
// Find response object with same text value.
foreach (D_Response response in currentDialogue.responseOptions)
{
if (response.responseText == buttonPressed)
{
selectedResponse = response;
break;
}
}
// Update dialogue to show response.
responseDialogue = selectedResponse.dialogueObject;
currentDialogueIndex = 0;
responsePressed = true;
HideResponses();
GetNextDialogue();
}
public void InitializeConversation(D_Dialogue dialogue)
{
startDialogue = dialogue;
currentDialogue = startDialogue;
initializedConversation = true;
resetConversation = false;
}
/** Create a typewriter effect by displaying letters one by one.
*/
private IEnumerator Typewriter()
{
for (int i = 0; i < textToType.Length; i++)
{
// Check for rich text. Skip them so typewriter effect doesn't apply.
if (textToType[i] == '<')
{
string richtext = "";
for (int j = i; j < textToType.Length; j++)
{
richtext += textToType[j];
if (textToType[j] == '>')
{
// Hotfix for index out of bounds when we do i = j+1
if (j + 1 >= textToType.Length)
{
textToType += " ";
}
i = j + 1;
textMesh.text += richtext;
break;
}
}
}
textMesh.text += textToType[i];
textMeshAnimator.SyncToTextMesh();
yield return(new WaitForSeconds(1 / currentDialogue.typingSpeed));
}
finishedTyping = true;
currentDialogueIndex++;
if (currentDialogueIndex - 1 == currentDialogue.dialogue.Count - 1)
{
if (currentDialogue.nextDialogue != null)
{
currentDialogue = currentDialogue.nextDialogue;
currentDialogueIndex = 0;
}
else
{
// Show responses at the end of dialogues & when typewriter finished.
ShowResponses();
}
}
}
/** Enable as many buttons as there are responses.
*/
private void ShowResponses()
{
currentDialogue = GetCurrentDialogue();
if (currentDialogue.responseOptions.Count > 0)
{
int children = responsesGameObject.transform.childCount;
GameObject currentButton;
for (int i = 0; i < children && i < currentDialogue.responseOptions.Count; i++)
{
currentButton = responsesGameObject.transform.GetChild(i).gameObject;
currentButton.SetActive(true);
currentButton.GetComponent <Button>().onClick.AddListener(OnResponseClick);
currentButton.GetComponentInChildren <TextMeshProUGUI>().text = currentDialogue.responseOptions[i].responseText;
}
}
}
