Container.cs

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using UnityEngine;
using System.Xml;
using System.Collections.Generic;

namespace HKI.Core.Variables
{
    [System.Serializable]
    [CreateAssetMenu(fileName = "Container", menuName = "HKI/Variables/Container", order = 0)]
    public class Container : HKIVar
    {
        // Public variables
        [SerializeField] List<HKIVar> container = new List<HKIVar>();

        // Getter
        public int Count { get { return container.Count; } }

        // Interface functions
        public override void Save(XmlNode parentNode)
        {
            XmlNode containerNode = parentNode.OwnerDocument.CreateElement(name.Replace(" ", ""));
            parentNode.AppendChild(containerNode);

            for(int i = 0; i < container.Count; i++)
                container[i].Save(containerNode);
        }

        public override void Load(XmlNode node)
        {
            XmlNodeList childNodes = node.ChildNodes;
            for(int i = 0; i < childNodes.Count; i++)
            {
                XmlNode childNode = childNodes[i];
                HKIVar variable = GetHKIVarByNameWithoutSpace(childNode.Name);
                if(variable != null)
                    variable.Load(childNode);
                else
                    Debug.LogWarning("(Container) Loading failed in the container with the name >" + name + "< faild to find the variables with the name given by the XmlDocument >" + childNode.Name + "<");
            }
        }

        public override string ToString()
        {
            return "This container (" + name + ") has " + container.Count + " object(s).";
        }

        public HKIVar GetHKIVarByName(string varName)
        {
            for(int i = 0; i < container.Count; i++)
            {
                if (varName == container[i].name)
                    return container[i];
            }

            Debug.LogError("Container >" + name + "< failed to get HKIVar by name (varName = " + varName + ")");
            return null;
        }

        public HKIVar GetHKIVarByNameWithoutSpace(string varName)
        {
            for (int i = 0; i < container.Count; i++)
            {
                if (varName == container[i].name.Replace(" ", ""))
                    return container[i];
            }

            Debug.LogError("Container >" + name + "< failed to get HKIVar by name (varName = " + varName + ")");
            return null;
        }

        public HKIVar GetHKIVarByIndex(int index)
        {
            if(index < 0 || index >= container.Count)
            {
                Debug.LogError("Container >" + name + "< failed to get HKIVar by index (index = " + index.ToString() + ")");
                return null;
            }

            return container[index];
        }
    }
}