/// <summary>
/// <para>Replaces current sound effect with a new one</para>
///
/// Throws InvalidOperationException if current sound cannot be replaced
/// </summary>
public static void ReplaceWith(this SoundEffect source, SoundEffect newSound)
{
if (!source.IsReplacable())
{
throw new InvalidOperationException($"Sound effect {source} is not replacable!");
}
var replacableAttribute = source.GetAttribute <ReplacableAttribute>();
var addresses = replacableAttribute.Addresses;
var newValue = (ushort)newSound;
var effect = source.GetAttribute <EffectAttribute>();
if (effect != null)
{
newValue = (ushort)((effect.Flags & 0x0E00) | (newValue & 0xF1FF));
}
else
{
newValue = (ushort)(newSound + DefaultSoundEffectFlags);
}
foreach (var address in addresses)
{
ReadWriteUtils.WriteToROM(address, newValue);
}
}
/// <summary>
/// <para>Replaces current sound effect with a new one</para>
/// </summary>
/// <returns>True if the sound was replaced, false otherwise.</returns>
public static bool TryReplaceWith(this SoundEffect source, SoundEffect newSound)
{
var replacableAttribute = source.GetAttribute <ReplacableAttribute>();
if (replacableAttribute == null)
{
return(false);
}
var addresses = replacableAttribute.Addresses;
var newValue = (ushort)newSound;
var effect = source.GetAttribute <EffectAttribute>();
if (effect != null)
{
newValue = (ushort)((effect.Flags & 0x0E00) | (newValue & 0xF1FF));
}
else
{
newValue = (ushort)(newSound + DefaultSoundEffectFlags);
}
foreach (var address in addresses)
{
ReadWriteUtils.WriteToROM(address, newValue);
}
return(true);
}
/// <summary>
/// <para>Replaces current sound effect in a message with a new one</para>
///
/// Throws InvalidOperationException if current sound cannot be replaced
/// </summary>
public static void ReplaceInMessageWith(this SoundEffect source, SoundEffect newSound, MessageTable messageTable)
{
if (!source.IsReplacableInMessage())
{
throw new InvalidOperationException($"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;
}
}
/// <summary>
/// Retrieves the list of tags that are valid for this sound's replacement. If the sound has no ReplacableByTags attribute specified, returns all tags.
/// </summary>
/// <returns></returns>
public static SoundEffectTag[] ReplacableByTags(this SoundEffect sound)
{
var tags = sound.GetAttribute <ReplacableByTagsAttribute>()?.Tags?.ToArray();
return(tags ?? Enum.GetValues(typeof(SoundEffectTag)).Cast <SoundEffectTag>().ToArray());
}
/// <summary>
/// Checks if current sound is tagged with provided tag
/// </summary>
/// <returns></returns>
public static bool HasTag(this SoundEffect sound, SoundEffectTag tag)
{
return(sound.GetAttribute <TagsAttribute>()?.Tags?.Contains(tag) ?? false);
}
/// <summary>
/// <para>Checks if current soundeffect has ReplacableInMessage Attribute</para>
///
/// </summary>
public static bool IsReplacableInMessage(this SoundEffect sound)
{
return(sound.GetAttribute <ReplacableInMessageAttribute>() != null);
}