public ActionOutcome Attempt()
{
ActionOutcome outcome = IsValid();
if (!outcome)
{
Announce(outcome);
return(outcome);
}
foreach (var(type, stakeholder) in Stakeholders())
{
outcome = stakeholder.Allows(new ActionAnnouncement(this, null, type));
if (!outcome)
{
Announce(outcome);
return(outcome);
}
}
//Actor.SuspendMessages();
outcome = Execute();
Announce(outcome);
//Actor.ResumeMessages();
return(outcome);
}
private void Announce(ActionOutcome outcome)
{
foreach (var(type, stakeholder) in Stakeholders())
{
var announcement = new ActionAnnouncement(this, outcome, type);
stakeholder.HandleAnnouncement(announcement);
}
var locationAnnouncement = new ActionAnnouncement(this, outcome, TargetType.Scene);
Actor.Location.HandleAnnouncement(locationAnnouncement);
}
protected override ActionOutcome Run(bool execute)
{
ActionOutcome prereqs =
Target.Is <InventoryItem>($"You can only take reasonably sized inanimate objects.") &&
CanReach(Target) &&
DoesNotHave(Target);
if (!prereqs)
{
return(prereqs);
}
if (execute)
{
Target.Move(Actor);
}
return(Succeed());
}
protected override ActionOutcome Run(bool execute)
{
ActionOutcome prereqs = Has(Tool) && CanReach(Target);
if (!prereqs)
{
return(prereqs);
}
if (execute)
{
DamageType type = DamageType.Blunt;
if (Tool.Is(out Weapon? weapon))
{
type = weapon.DamageType;
}
Target.TakeDamage(Actor.MeleeDamage(Tool), type, BodyPartKind.Any);
}
return(Succeed());
}
public ActionOutcome Act(T self)
{
if (this.lastCompletedAction != null)
{
(var previousAction, var previousOutcome) = this.lastCompletedAction;
if (previousOutcome.Status == InProgress)
{
if (!string.IsNullOrEmpty(previousOutcome.Message))
{
io.WriteLine($"({previousOutcome.Message})...");
}
// Repeat (i.e. continue) the action if it is still in progress
ActionOutcome nextOutcome = previousAction.Execute();
this.lastCompletedAction = new CompletedAction(previousAction, nextOutcome);
return(nextOutcome);
}
else
{
if (!string.IsNullOrEmpty(previousOutcome.Message))
{
io.WriteLine($"{previousOutcome.Message}");
}
}
}
while (true)
{
io.Write(">");
string input = io.ReadLine();
ActionOutcome?backupFailure = null;
IGameAction? validAction = null;
foreach (IGameAction action in verbSuite.GetMatches(self, input))
{
ActionOutcome testOutcome = action.Execute(dryRun: true);
if (testOutcome.Status == Failed)
{
if (backupFailure == null)
{
backupFailure = testOutcome;
}
}
else
{
validAction = action;
}
}
if (validAction is null)
{
if (string.IsNullOrEmpty(backupFailure?.Message))
{
Console.WriteLine("Invalid: I couldn't recognize the verb of that sentence.");
}
else
{
Console.WriteLine(backupFailure.Message);
}
continue;
}
ActionOutcome outcome = validAction.Execute();
this.lastCompletedAction = new CompletedAction(validAction, outcome);
return(outcome);
}
}