void Update()
{
// text input
string input = Input.inputString.ToLower();
bool enteredString = false;
foreach (char c in input)
{
if (lines[selectedLineIndex].Length >= charLimit)
{
break;
}
if (legalChars.Contains(c.ToString().ToLower()))
{
enteredString = true;
if (caretCharIndex < lines[selectedLineIndex].Length)
{
lines[selectedLineIndex] = lines[selectedLineIndex].Insert(caretCharIndex, c.ToString());
}
else
{
lines[selectedLineIndex] += c;
}
caretCharIndex++;
lastKeyTime = Time.time;
}
}
if (enteredString)
{
AudioM.PlayKeyPress(false);
}
HandleControlInput();
UpdateDisplay();
}
void HandleControlInput()
{
bool shift = Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift);
// New line
if (Input.GetKeyDown(KeyCode.Return))
{
AudioM.PlayKeyPress(true);
bool specialCommandEntered = OnTextEntered(selectedLineIndex);
if (specialCommandEntered)
{
caretCharIndex = lines[selectedLineIndex].Length;
}
else
{
lastKeyTime = Time.time;
if (lines.Count < maxNumLinesOnScreen)
{
if (selectedLineIndex < lines.Count - 1)
{
lines.Insert(selectedLineIndex + 1, "");
}
else
{
lines.Add("");
}
selectedLineIndex++;
caretCharIndex = 0;
}
else
{
selectedLineIndex++;
selectedLineIndex = Mathf.Clamp(selectedLineIndex, 0, maxNumLinesOnScreen - 1);
caretCharIndex = lines [selectedLineIndex].Length;
}
}
}
// Backspace
if (CustomInput.instance.GetKeyPress(KeyCode.Backspace))
{
lastKeyTime = Time.time;
if (lines[selectedLineIndex].Length == 0)
{
if (lines.Count != 1)
{
lines.RemoveAt(selectedLineIndex);
if (selectedLineIndex > 0)
{
selectedLineIndex--;
caretCharIndex = lines[selectedLineIndex].Length;
AudioM.PlayKeyPress(false);
}
}
}
else
{
if (caretCharIndex > 0)
{
AudioM.PlayKeyPress(false);
caretCharIndex--;
lines[selectedLineIndex] = lines[selectedLineIndex].Remove(caretCharIndex, 1);
}
}
}
int lineIndexOld = selectedLineIndex;
int charIndOld = caretCharIndex;
// Arrow keys
if (CustomInput.instance.GetKeyPress(KeyCode.UpArrow))
{
lastKeyTime = Time.time;
if (shift)
{
selectedLineIndex = 0;
}
else
{
selectedLineIndex = Mathf.Clamp(selectedLineIndex - 1, 0, int.MaxValue);
}
caretCharIndex = lines[selectedLineIndex].Length;
}
if (CustomInput.instance.GetKeyPress(KeyCode.DownArrow))
{
lastKeyTime = Time.time;
if (shift && lines.Count > 0)
{
selectedLineIndex = lines.Count - 1;
}
else
{
selectedLineIndex = Mathf.Clamp(selectedLineIndex + 1, 0, lines.Count - 1);
}
caretCharIndex = lines[selectedLineIndex].Length;
}
if (CustomInput.instance.GetKeyPress(KeyCode.LeftArrow))
{
lastKeyTime = Time.time;
if (shift)
{
caretCharIndex = 0;
}
else
{
caretCharIndex = Mathf.Clamp(caretCharIndex - 1, 0, int.MaxValue);
}
}
if (CustomInput.instance.GetKeyPress(KeyCode.RightArrow))
{
lastKeyTime = Time.time;
if (shift)
{
caretCharIndex = lines[selectedLineIndex].Length;
}
else
{
caretCharIndex = Mathf.Clamp(caretCharIndex + 1, 0, Mathf.Max(0, lines[selectedLineIndex].Length));
}
}
if (selectedLineIndex != lineIndexOld || caretCharIndex != charIndOld)
{
AudioM.PlayKeyPress(false);
}
}