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using System;
using System.Collections.Generic;
using UnityEngine;
namespace UNEB
{
/// <summary>
/// Represents a graph of nodes.
/// </summary>
public class NodeGraph : ScriptableObject
{
/// <summary>
/// The types of nodes accepted by the graph.
/// </summary>
public static HashSet<Type> nodeTypes = new HashSet<Type>();
[HideInInspector]
public List<Node> nodes = new List<Node>();
/// <summary>
/// Add a node to the graph.
/// It is recommended that the save manager adds the nodes.
/// </summary>
/// <param name="n"></param>
public void Add(Node n)
{
nodes.Add(n);
}
/// <summary>
/// Removes a node from the graph but it is not destroyed.
/// </summary>
/// <param name="node"></param>
public void Remove(Node node)
{
nodes.Remove(node);
}
/// <summary>
/// Put the node at the end of the node list.
/// </summary>
/// <param name="node"></param>
public void PushToEnd(Node node)
{
if (nodes.Remove(node)) {
nodes.Add(node);
}
}
/// <summary>
/// Gets called right before the graph is saved.
/// Can be used to setup things before saving like sorting nodes.
/// </summary>
public virtual void OnSave() { }
}
}
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