public void RemoveNode(DialogueGraphNode node)
{
int index = nodes.IndexOf(node);
nodes.Remove(node);
for (int i = 0; i < transitions.Count; i++)
{
DialogueGraphTransition transition = transitions[i];
if (transition.from == index || transition.to == index)
{
transitions.Remove(transition);
i--;
}
if (transition.from > index)
{
transition.from--;
}
else if (transition.to > index)
{
transition.to--;
}
}
GUI.changed = true;
}
private void DrawTransition(DialogueGraphTransition transition)
{
string from = graph.nodes[transition.from].name;
string to = "Exit";
if (transition.to >= 0)
{
to = graph.nodes[transition.to].name;
}
float width = Screen.width * 0.3f; //75% of available width is for text; ~40% of that space is for each word. Thus, 30% is for each word.
GUIStyle style = GUI.skin.label;
from = EditorUtils.TrimStringToFit(from, width, style);
to = EditorUtils.TrimStringToFit(to, width, style);
Rect rect = EditorGUILayout.BeginHorizontal();
GUI.Box(rect, GUIContent.none);
GUILayout.Label($"{from} -> {to}");
if (GUILayout.Button("Remove"))
{
graph.transitions.Remove(transition);
}
EditorGUILayout.EndHorizontal();
}
private void DrawTransitions()
{
GUILayout.Label("Transitions");
for (int i = 0; i < graph.transitions.Count; i++)
{
DialogueGraphTransition t = graph.transitions[i];
if (t.from == graph.selectedNode || t.to == graph.selectedNode)
{
DrawTransition(t);
GUILayout.Space(5);
}
}
}
private void OnDialogueOptionClicked(int index)
{
DialogueGraphTransition[] transitions = GetTransitionsFor(currentGraph, currentNode);
DialogueGraphTransition transition = transitions[index];
if (transition.to < 0)
{
dialogueUI.SetActive(false);
}
else
{
StartCoroutine(ShowDialogue(transition.to));
}
}
private DialogueGraphTransition[] GetTransitionsFor(DialogueGraph graph, int node)
{
LinkedList <DialogueGraphTransition> transitionsList = new LinkedList <DialogueGraphTransition>();
foreach (DialogueGraphTransition t in graph.transitions)
{
if (t.from == node)
{
transitionsList.AddLast(t);
}
}
DialogueGraphTransition[] transitions = new DialogueGraphTransition[transitionsList.Count];
transitionsList.CopyTo(transitions, 0);
return(transitions);
}