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NullReferenceException

Closed 1.1.0 1.2.0

Getting a NullReferenceException with the new version. Fixed by deleting config then updating.

 

Failed to initialize plugin 'ReskinnableHorses v1.1.0' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.ReskinnableHorses.Init () [0x00040] in <20acad24ca9343c6a51235461ae5fb49>:0
  at Oxide.Plugins.ReskinnableHorses.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000e2] in <20acad24ca9343c6a51235461ae5fb49>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0                                                                 0b/s in, 0b/s out
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <dfcb48ea05694263bbc08e62a39c274c>:0

 

A simple fix is to have some method(s) to check if the config is up-to-date and update it if it isn't. Example:

private class Configuration
        {
            [JsonProperty("Future Config Options Here")]
            public bool TempBool = true;

            public string ToJson() => JsonConvert.SerializeObject(this);

            public Dictionary<string, object> ToDictionary() => JsonConvert.DeserializeObject<Dictionary<string, object>>(ToJson());
        }

        protected override void LoadDefaultConfig() => config = new Configuration();

        protected override void LoadConfig()
        {
            base.LoadConfig();
            try
            {
                config = Config.ReadObject<Configuration>();
                if (config == null)
                {
                    throw new JsonException();
                }

                if (!config.ToDictionary().Keys.SequenceEqual(Config.ToDictionary(x => x.Key, x => x.Value).Keys))
                {
                    Puts("Configuration appears to be outdated; updating and saving");
                    SaveConfig();
                }
            }
            catch
            {
                Puts($"Configuration file {Name}.json is invalid; using defaults");
                LoadDefaultConfig();
            }
        }

        protected override void SaveConfig()
        {
            Puts($"Configuration changes saved to {Name}.json");
            Config.WriteObject(config, true);
        }

 

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