/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
IController sender = actionInput.Controller;
string commonFailure = this.VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return(commonFailure);
}
if (actionInput.Params.Length == 0)
{
return(null);
}
// TODO: CommonGuards.RequiresAtLeastOneArgument makes the length check redundant?
string targetName = (actionInput.Params.Length > 0) ? actionInput.Params[0] : string.Empty;
string targetFullName = actionInput.Tail.Trim().ToLower();
// Try to find the target either by all the parameter text or by just the first parameter.
this.target = GetPlayerOrMobile(targetFullName) ?? GetPlayerOrMobile(targetName);
// Rule: Is the target an entity?
if (this.target == null)
{
return("You cannot see " + targetName + ".");
}
// Rule: Is the target the initator?
if (sender.Thing.Name.ToLower() == this.target.Name.ToLower())
{
return("You can't follow yourself.");
}
// Rule: Is the target in the same room?
if (sender.Thing.Parent.Id != this.target.Parent.Id)
{
return(targetName + " does not appear to be in the vicinity.");
}
SenseManager senses = new SenseManager();
senses.AddSense(new Sense {
SensoryType = SensoryType.Sight, Enabled = true
});
if (!this.target.IsDetectableBySense(senses))
{
return(targetName + " does not appear to be in the vicinity.");
}
return(null);
}
/// <summary>Checks against the guards for the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
/// <returns>A string with the error message for the user upon guard failure, else null.</returns>
public override string Guards(ActionInput actionInput)
{
var commonFailure = VerifyCommonGuards(actionInput, ActionGuards);
if (commonFailure != null)
{
return(commonFailure);
}
if (actionInput.Params.Length == 0)
{
return(null);
}
// TODO: CommonGuards.RequiresAtLeastOneArgument makes the length check redundant?
var targetName = (actionInput.Params.Length > 0) ? actionInput.Params[0] : string.Empty;
var targetFullName = actionInput.Tail.Trim().ToLower();
// Try to find the target either by all the parameter text or by just the first parameter.
target = GetPlayerOrMobile(targetFullName) ?? GetPlayerOrMobile(targetName);
// Rule: Is the target an entity?
if (target == null)
{
return("You cannot see " + targetName + ".");
}
// Rule: Is the target the initiator?
if (string.Equals(actionInput.Actor.Name, target.Name, StringComparison.CurrentCultureIgnoreCase))
{
return("You can't follow yourself.");
}
// Rule: Is the target in the same room?
if (actionInput.Actor.Parent.Id != target.Parent.Id)
{
return($"{targetName} does not appear to be in the vicinity.");
}
var senses = new SenseManager();
senses.AddSense(new Sense {
SensoryType = SensoryType.Sight, Enabled = true
});
if (!target.IsDetectableBySense(senses))
{
return($"{targetName} does not appear to be in the vicinity.");
}
return(null);
}