Merging retry

Assets/Scripts/HomeMenu/InputValidator.cs

@@ -0,0 +1,137 @@
+using System.Collections;
+using System.Collections.Generic;
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+using System.Text.RegularExpressions;
+
+
+public class InputValidator : MonoBehaviour
+{
+    public enum TypeOfInput
+    {
+        IP,
+        Username,
+        Port
+    }
+
+    public TypeOfInput InputType;
+    private TMP_InputField inputField;
+
+    private void Start()
+    {
+        inputField = GetComponent<TMP_InputField>();
+        
+
+        if(InputType == TypeOfInput.Port)
+        {
+            inputField.text = "7777";
+        }
+
+        inputField.onValueChanged.AddListener(delegate { ValueChangeCheck(); });
+    }
+
+    private void ValueChangeCheck()
+    {
+        //IP
+        if(InputType == TypeOfInput.IP)
+        {
+            int counter = 0;
+            foreach (char c in inputField.text)
+            {
+                //is not 0-9 or dot
+                if (!Char.IsDigit(c))
+                {
+                    if (c != '.')
+                    {
+                        inputField.text = inputField.text.Remove(counter);
+                        counter--;
+                    }
+                }
+                else
+                {
+                    //Max 3 nummern nacheinander
+                    if(counter > 2)
+                    {
+                        if(Char.IsDigit(inputField.text[counter-1]) && Char.IsDigit(inputField.text[counter - 2]) && Char.IsDigit(inputField.text[counter - 3]))
+                        {
+                            inputField.text = inputField.text.Remove(counter);
+                            counter--;
+                        }
+                    }
+                }
+
+                //no double dot
+                if(c == '.' && counter > 0)
+                {
+                    if(inputField.text[counter-1] == '.')
+                    {
+                        inputField.text = inputField.text.Remove(counter);
+                        counter--;
+                    }
+                }
+
+                counter++;
+            }
+            //max dots = 3
+            if (inputField.text.Split(".").Length-1 > 3)
+            {
+                inputField.text = inputField.text.Remove(inputField.text.LastIndexOf("."));
+            }
+
+        }
+        
+        if(InputType == TypeOfInput.Port)
+        {//0  - 65535
+            foreach (char c in inputField.text)
+            {
+                if (!Char.IsDigit(c))
+                {
+                    inputField.text = inputField.text.Remove(inputField.text.LastIndexOf(c));
+                }
+                else if (int.Parse(inputField.text) > 65535)
+                {
+                    inputField.text = "65535";
+                }
+            }
+
+           
+        }
+
+        // USERNAME
+        if (InputType == TypeOfInput.Username)
+        {
+            
+            foreach (char c in inputField.text)
+            {
+                if (!Char.IsLetter(c))
+                {
+                    if (!Char.IsDigit(c))
+                    {
+                        inputField.text = inputField.text.Remove(inputField.text.LastIndexOf(c));
+                    }
+                }
+            }
+            
+
+            if(inputField.text.Length > 25)
+            {
+                string tempText = "";
+
+                
+                for(int c = 0; c < inputField.text.Length; c++)
+                {
+                    if(c < 25)
+                    {
+                        tempText += inputField.text[c];
+                    }
+                }
+
+                inputField.text = tempText;
+
+
+            }
+        }
+    }
+}