/// <summary>
/// Gets the method parameter value.
/// </summary>
/// <param name="parameter">Parameter reflexion into</param>
/// <param name="index">Index of the parameter as seen by player</param>
/// <param name="player">Player bound to</param>
/// <param name="rawValues"></param>
/// <returns>Parsed value or DBNull if could not be barsed</returns>
private static object GetValue(ParameterInfo parameter, int index, Player player, List <string> rawValues)
{
if (index < rawValues.Count)
{
string rawValue = rawValues[index];
object value = GMUtils.TryParse(parameter.ParameterType, rawValue);
if (value == null)
{
player.SendClientMessage(string.Concat(
CommandToString(parameter), " : Unexpected value for ", parameter.Name), ChatLogFilters.CHATLOGFILTERS_CSR_TELL_RECEIVE);
return(DBNull.Value);
}
return(value);
}
else if (parameter.DefaultValue != DBNull.Value)
{
return(parameter.DefaultValue);
}
else
{
player.SendClientMessage(string.Concat(
CommandToString(parameter), " : ", parameter.Name, " is required"), ChatLogFilters.CHATLOGFILTERS_CSR_TELL_RECEIVE);
return(DBNull.Value);
}
}
/// <summary>
/// Invokes a command's method for given player and raw parameter values.
/// </summary>
/// <param name="method">Method to invoke</param>
/// <param name="player">Player that invoked this command</param>
/// <param name="rawValues">Raw values given by player</param>
/// <returns>False if method returned false, true otherwise.</returns>
private static bool Invoke(MethodInfo method, Player player, List <string> rawValues)
{
ParameterInfo[] parameters = method.GetParameters();
object[] values = new object[parameters.Length];
// First parameter is always player
values[0] = player;
// Second parameter can be target
bool hasTargetParam = HasTargetParameter(parameters); // Second can be target
int startIndex = hasTargetParam ? 2 : 1;
if (hasTargetParam)
{
values[1] = GMUtils.GetTargetOrMe(player);
if (!parameters[1].ParameterType.IsAssignableFrom(values[0].GetType()))
{
player.SendClientMessage(string.Concat(
CommandToString(parameters[1]), " : You must target a ", parameters[1].ParameterType.Name.ToLowerInvariant()), ChatLogFilters.CHATLOGFILTERS_CSR_TELL_RECEIVE);
return(true);
}
}
// Other parameters
for (int i = startIndex; i < values.Length; i++)
{
values[i] = GetValue(parameters[i], i - startIndex, player, rawValues);
if (values[i] == DBNull.Value)
{
return(true);
}
}
if (values.Length - startIndex < rawValues.Count)
{
player.SendClientMessage(string.Concat(
CommandToString(parameters[1]), " : too many parameters"), ChatLogFilters.CHATLOGFILTERS_CSR_TELL_RECEIVE);
return(true);
}
rawValues.Clear(); // why not
try
{
object result = method.Invoke(null, values);
if (result is bool)
{
return((bool)result);
}
else
{
return(true);
}
}
catch (TargetInvocationException e)
{
Exception inner = e.InnerException;
Log.Error("CommandsBuilder", string.Concat(CommandToString(parameters[0]), " - ", inner.ToString()));
player.SendClientMessage(string.Concat(
CommandToString(parameters[0]), " : ", inner.GetType().Name,
string.IsNullOrEmpty(inner.Message) ? "": " - " + inner.Message), ChatLogFilters.CHATLOGFILTERS_CSR_TELL_RECEIVE);
return(true);
}
}