private LuaDataContainer GetContainerCore(LuaTable obj, bool protectFromGC = false)
{
// Does this have a ClassName?
// Yes -> Returns the Wherigo object's data container.
// (This allows the registration process to take place.)
// No -> Creates and returns the container.
LuaDataContainer ret;
string cn = _luaState.SafeGetField <string>(obj, "ClassName");
if (cn != null)
{
ret = (LuaDataContainer)GetWherigoObjectCore(obj, forceProtectFromGC: protectFromGC).DataContainer;
}
else
{
ret = CreateContainerCore(obj, protectFromGC);
}
return(ret);
}
/// <summary>
/// Calls a function from this container for a particular key and
/// with particular arguments.
/// </summary>
/// <param name="key">The key to find the function at.</param>
/// <param name="parameters">Optional parameters to pass to the function.
/// The native lua table will be added as first parameter before calling
/// the function.</param>
/// <returns>The first data container that is returned by the function,
/// or null if none were.</returns>
internal LuaDataContainer CallSelf(string key, params object[] parameters)
{
// Gets the function at the key.
LuaFunction lf = _luaState.SafeGetField <LuaFunction>(_luaTable, key);
// Checks if the function exists.
if (lf == null)
{
throw new InvalidOperationException("The function " + key + " does not exist.");
}
// Gets a provider for the function and calls it.
LuaDataProvider provider = _dataFactory.GetProvider(lf, this, false);
return(provider.FirstContainerOrDefault(parameters));
}
