public static void UpdateVoiceIndicator(GUIImage soundIcon, float voipAmplitude, float deltaTime)
{
if (voiceIconSheetRects == null)
{
var soundIconStyle = GUI.Style.GetComponentStyle("GUISoundIcon");
Rectangle sourceRect = soundIconStyle.Sprites.First().Value.First().Sprite.SourceRect;
var indexPieces = soundIconStyle.Element.Attribute("sheetindices").Value.Split(';');
voiceIconSheetRects = new Rectangle[indexPieces.Length];
for (int i = 0; i < indexPieces.Length; i++)
{
Point location = sourceRect.Location + XMLExtensions.ParsePoint(indexPieces[i].Trim()) * sourceRect.Size;
voiceIconSheetRects[i] = new Rectangle(location, sourceRect.Size);
}
}
Pair <string, float> userdata = soundIcon.UserData as Pair <string, float>;
userdata.Second = Math.Max(voipAmplitude, userdata.Second - deltaTime);
if (userdata.Second <= 0.0f)
{
soundIcon.Visible = false;
}
else
{
soundIcon.Visible = true;
int sheetIndex = (int)Math.Floor(userdata.Second * voiceIconSheetRects.Length);
sheetIndex = MathHelper.Clamp(sheetIndex, 0, voiceIconSheetRects.Length - 1);
soundIcon.SourceRect = voiceIconSheetRects[sheetIndex];
soundIcon.OverrideState = GUIComponent.ComponentState.None;
soundIcon.HoverColor = Color.White;
}
}