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Question by masteproofgamel · Jun 13, 2016 at 12:33 PM · c#scripting problemloadscript errorsave data

Can someone tell me what is wrong with this script?

I got this this script for the RPG tutorial series from HardlyBrief Programming in the Serialization episode. Here's the script:

 using UnityEngine;
 using System;
 using System.IO;
 using System.Runtime.Serialization;
 using System.Runtime.Serialization.Formatters.Binary;
 
 public class PPSerialization {
 
     public static BinaryFormatter binaryFormatter = new BinaryFormatter();
 
     public static void Save(string saveTag, object obj)
     {
         MemoryStream memoryStream = new MemoryStream();
         binaryFormatter.Serialize(memoryStream, obj);
         string temp = System.Convert.ToBase64String(memoryStream.ToArray());
         PlayerPrefs.SetString(saveTag, temp);
     }
 
     public static void Load(string saveTag)
     {
         string temp = PlayerPrefs.GetString(saveTag);
         if(temp == string.Empty)
         {
             return null;
         }
         MemoryStream memoryStream = new MemoryStream(System.Convert.FromBase64String(temp));
         return binaryFormatter.Deserialize(memoryStream);
     }

Visual Studio marks the "return null" and "return binaryFormatter.Deserialize(memoryStream)".

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avatar image masteproofgamel · Jun 13, 2016 at 01:17 PM 0
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This is the problem: CS0127 "Since 'PPSerialization.Load(string)' returns void, a return keyword must not be followed by an object expression".

avatar image MarkTerence masteproofgamel · Jun 13, 2016 at 01:39 PM 0
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return binaryFormatter.Deserialize(memoryStream);

what is the data type you are trying to return?

you've got the error because its a void method a void method does not return a value public static void Load(string saveTag)

avatar image masteproofgamel MarkTerence · Jun 13, 2016 at 01:42 PM 0
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So what should I do? Why in the video he doesn't got any problem?

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Answer by MarkTerence · Jun 13, 2016 at 01:58 PM

change public static void Load(string saveTag) to public static object Load(string saveTag)

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avatar image masteproofgamel · Jun 13, 2016 at 02:30 PM 0
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Thanks it works perfectly. But I have one question:

 PlayerPrefs.GetInt("HEALTH", health_reference); = PPSerialization.Save("HEALTH", health_reference); ?

avatar image MarkTerence masteproofgamel · Jun 13, 2016 at 02:47 PM 0
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replacing the PlayerPrefs.GetInt("HEALTH", health_reference); to PPSerialization.Save("HEALTH", health_reference); to save the health ?

wait, since you called PPSerialization.Save is it really PlayerPrefs.GetInt("HEALTH", health_reference); or PlayerPrefs.SetInt("HEALTH", health_reference);?

avatar image masteproofgamel MarkTerence · Jun 13, 2016 at 02:49 PM 0
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I'm saying if I use the PPSerialization.Save("PLAYERHEALTH", playerhealth_reference)

will it work like PlayerPrefs.GetInt("PLAYERHEALTH", playerhealth_reference)

?

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