20200729-BasicLocalization.cs

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class TextLocalizer : MonoBehaviour
{
    public static string CurrentLanguage = "english";

    static Dictionary<string, Dictionary<string, string>> Translations = new Dictionary<string, Dictionary<string, string>>() {
        ["english"] = new Dictionary<string, string>() {
            ["menu_resume"] = "Resume",
            ["menu_settings"] = "Settings",
            ["menu_exit"] = "Exit",
        },
        ["spanish"] = new Dictionary<string, string>() {
            ["menu_resume"] = "Reanudar",
            ["menu_settings"] = "Configuraciones",
            ["menu_exit"] = "Salida",
        }
    };

    [SerializeField] string id;

    public string ResolveStringValue(string id) {
        return Translations[CurrentLanguage][id];
    }
    
    void Start() {
        GetComponent<Text>().text = ResolveStringValue(id);
    }
    
    void OnValidate() {
        GetComponent<Text>().text = ResolveStringValue(id);
    }
}