BDAPersistantSettingsField.cs

using System;
using System.Collections.Generic;
using System.Reflection;
using UniLinq;
using UnityEngine;

namespace BDArmory.Core
{
    [AttributeUsage(AttributeTargets.Field)]
    public class BDAPersistantSettingsField : Attribute
    {
        public BDAPersistantSettingsField()
        {
        }

        public static void Save()
        {
            ConfigNode fileNode = ConfigNode.Load(BDArmorySettings.settingsConfigURL);

            if (!fileNode.HasNode("BDASettings"))
            {
                fileNode.AddNode("BDASettings");
            }

            ConfigNode settings = fileNode.GetNode("BDASettings");
            IEnumerator<FieldInfo> field = typeof(BDArmorySettings).GetFields().AsEnumerable().GetEnumerator();
            while (field.MoveNext())
            {
                if (field.Current == null) continue;
                if (!field.Current.IsDefined(typeof(BDAPersistantSettingsField), false)) continue;

                settings.SetValue(field.Current.Name, field.Current.GetValue(null).ToString(), true);
            }
            field.Dispose();
            fileNode.Save(BDArmorySettings.settingsConfigURL);
        }

        public static void Load()
        {
            ConfigNode fileNode = ConfigNode.Load(BDArmorySettings.settingsConfigURL);
            if (!fileNode.HasNode("BDASettings")) return;

            ConfigNode settings = fileNode.GetNode("BDASettings");

            IEnumerator<FieldInfo> field = typeof(BDArmorySettings).GetFields().AsEnumerable().GetEnumerator();
            while (field.MoveNext())
            {
                if (field.Current == null) continue;
                if (!field.Current.IsDefined(typeof(BDAPersistantSettingsField), false)) continue;

                if (!settings.HasValue(field.Current.Name)) continue;
                object parsedValue = ParseValue(field.Current.FieldType, settings.GetValue(field.Current.Name));
                if (parsedValue != null)
                {
                    field.Current.SetValue(null, parsedValue);
                }
            }
            field.Dispose();
        }

        public static object ParseValue(Type type, string value)
        {
            if (type == typeof(string))
            {
                return value;
            }

            if (type == typeof(bool))
            {
                return Boolean.Parse(value);
            }
            else if (type.IsEnum)
            {
                return System.Enum.Parse(type, value);
            }
            else if (type == typeof(float))
            {
                return Single.Parse(value);
            }
            else if (type == typeof(int))
            {
                return int.Parse(value);
            }
            else if (type == typeof(Single))
            {
                return Single.Parse(value);
            }
            else if (type == typeof(Rect))
            {
                string[] strings = value.Split(',');
                int xVal = Int32.Parse(strings[0].Split(':')[1].Split('.')[0]);
                int yVal = Int32.Parse(strings[1].Split(':')[1].Split('.')[0]);
                int wVal = Int32.Parse(strings[2].Split(':')[1].Split('.')[0]);
                int hVal = Int32.Parse(strings[3].Split(':')[1].Split('.')[0]);
                Rect rectVal = new Rect
                {
                    x = xVal,
                    y = yVal,
                    width = wVal,
                    height = hVal
                };
                return rectVal;
            }
            Debug.LogError("[BDArmory]: BDAPersistantSettingsField to parse settings field of type " + type +
                           " and value " + value);

            return null;
        }
    }
}