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Question by Praivy · Feb 02, 2018 at 06:47 PM · c#arrayvalueget

How to get variable by name(string typed in inspector) in array with index from another script?

Hi! And sorry for my eng. I just learning to code and stuck with that problem - I have few buttons with some info about cost and level of selling properties. Each of them have next code

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;
 
 
 
 public class BuyBtns : MonoBehaviour 
 {
     
     public SaveManager sData;
     public Text lvl;
     public Text buyCost;
     public string varLvl;  // I manually write the required variable name for each button in inspector
     public string varCost;  // And here too
     
 
 
     void Start () 
     {
 
         lvl = gameObject.transform.GetChild(1).GetComponent<Text>();
         buyCost = gameObject.transform.GetChild(2).GetComponent<Text>();
         sData = GameObject.Find("PlayZone").GetComponent<SaveManager>();
 
     }
 
 
 
     public void RefreshInfo()
     {
         var lvlresult = sData.sv.GetType().GetField(varLvl).GetValue(sData.sv);
         lvl.text = lvlresult.ToString();
     }
 
     
 }

I tried many different options for last method and this most successful with non-array variables. But i need to get value from array with index like [sData.sv.choosenShip] ?

However, i found another way. More combrous. But this gap in my knowledge been bugging me.

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avatar image MaxGuernseyIII · Feb 02, 2018 at 06:57 PM 0
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You're just learning to code?

People who are just learning to code should steer clear of reflection, typically speaking.

I think what you really want might be a Dictionary...

https://msdn.microsoft.com/en-us/library/xfhwa508(v=vs.110).aspx

It stores key-value pairs of whatever type you like. For instance, Dictionary will store key-value pairs mapping strings to integers. You can use the keys like you would an index into an array. As in...

 myDictionary["some string"] = 9;

 var myInt = myDictionary["some string"];

Does that help at all?

avatar image Praivy MaxGuernseyIII · Feb 02, 2018 at 07:36 PM 0
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This is what I was afraid of when come here. Ask a questions and get the answer not my level ))) I found a lot answers here that helped me with project. But today i got reflection(may laziness advised me to find a short way) and even don't fully understand what it is... Yet. But Thanks a lot! I'll try your advice!

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