/// <summary>
/// <para>Replaces current sound effect in a message with a new one</para>
///
/// Throws InvalidOperationException if current sound cannot be replaced
/// </summary>
public static void ReplaceInMessageWith(this SoundEffect source, SoundEffect newSound, MessageTable messageTable)
{
if (!source.IsReplacableInMessage())
{
throw new InvalidOperationException($"Sound effect {source} is not replacable!");
}
var replacableAttribute = source.GetAttribute <ReplacableInMessageAttribute>();
foreach (var messageId in replacableAttribute.MessageIds)
{
var message = messageTable.GetMessage(messageId);
var oldSoundId = replacableAttribute.SoundId;
var oldSoundEffect = (ushort)(oldSoundId & 0x0E00);
var oldSoundBytes = new string(new char[] { Convert.ToChar((oldSoundId & 0xFF00) >> 8), Convert.ToChar(oldSoundId & 0xFF) });
var oldSoundLocation = message.Message.IndexOf(oldSoundBytes);
if (oldSoundLocation < 0)
{
throw new InvalidProgramException($"Sound effect {source} has invalid sound replacement setup!");
}
var newSoundId = (uint)newSound;
var newSoundBytes = new string(new char[] {
Convert.ToChar(((newSoundId | oldSoundEffect) & 0xFF00) >> 8),
Convert.ToChar(newSoundId & 0xFF)
});
var newMessage = message.Message.Replace(oldSoundBytes, newSoundBytes);
message.Message = newMessage;
}
}