// Process a new command from the player
public CommandOutcome ProcessCommand()
{
OldItem = null;
// If there's a command to process, then process it
if (parserState.NextCommandForProcessing())
{
List <string> currentCommands = parserState.CurrentCommands;
// Prioritise the first (and possibly only) command matched
Command command = GetCommandWithID(currentCommands[0]);
// If there's more one match and we've already identified a verb...
if (currentCommands.Count > 1 && parserState.ContainsState(CommandState.VERB_IDENTIFIED))
{
for (int i = 0; i < currentCommands.Count; i++)
{
// ... then prioritise matches with item commands
Command nextCommand = GetCommandWithID(currentCommands[i]);
if (nextCommand is ItemWord)
{
command = nextCommand;
parserState.ActiveCommandIndex = i;
break;
}
}
}
// Any command other than the FEE FIE FOE sequence or SAY will break the sequence
if (command.CommandID != "2025FeeFieFoe" && command.CommandID != "2003Say")
{
actionController.ResetFoobar();
}
// Process the command based on its type
if (command is MovementWord)
{
return(ProcessMovement(command));
}
else if (command is ActionWord)
{
return(ProcessAction(command));
}
else if (command is ItemWord)
{
return(ProcessItem(command));
}
else if (command is SpecialWord)
{
return(ProcessSpecial(command));
}
}
return(CommandOutcome.NO_COMMAND);
}
// Tries to identify a subject for the command and returns the ID of the item or null, if none could be found
public string GetSubject(string actionID)
{
string subject = null;
// If no subject has been identified and there are no further commands to be processed
if (!parserState.ContainsState(CommandState.SUBJECT_IDENTIFIED) && !parserState.ContainsState(CommandState.NOT_PROCESSED) && !parserState.ContainsState(CommandState.PENDING) && !parserState.SetCarriedOverCommand(true))
{
// Otherwise check to see if the command can assume a subject based on the current context
subject = actions[actionID].FindSubstituteSubject();
}
// If the subject has not yet been set but a subject has been identified
if (subject == null && parserState.ContainsState(CommandState.SUBJECT_IDENTIFIED))
{
// ... set it
subject = parserState.Subject;
}
// If we've still not found a subject and there's nothing further to process, it is ambiguous, so ask player for clarification
if (subject == null && !parserState.ContainsState(CommandState.NOT_PROCESSED) && !parserState.ContainsState(CommandState.PENDING) && !actions[actionID].SubjectOptional)
{
if (actions[actionID].CarryOverVerb)
{
parserState.CarryOverVerb();
}
NoSubjectMsg noSubjectMsg = actions[actionID].NoSubjectMessage;
if (noSubjectMsg.messageParams != null)
{
textDisplayController.AddTextToLog(playerMessageController.GetMessage(noSubjectMsg.messageID, noSubjectMsg.messageParams));
}
else
{
textDisplayController.AddTextToLog(playerMessageController.GetMessage(noSubjectMsg.messageID));
}
parserState.CurrentCommandState = CommandState.NO_COMMAND; // Indicate we're done with this command
}
return(subject);
}
// === PUBLIC METHODS ===
public override CommandOutcome DoAction()
{
// Note whether rug is here
rugHere = playerController.ItemIsPresent(RUG);
// Check whether a subject was identified
string itemToFly = controller.GetSubject("fly");
// If there was no subject but there's more to process, carry on processing
if (itemToFly == null && (parserState.ContainsState(CommandState.NOT_PROCESSED) || parserState.ContainsState(CommandState.PENDING)))
{
return(CommandOutcome.NO_COMMAND);
}
string flyMsg;
CommandOutcome outcome = CommandOutcome.MESSAGE;
if (itemToFly == null)
{
// Trying to fly without a subject
flyMsg = rugHere ? "224CantUseRug" : "225FlapArms";
}
else if (itemToFly == RUG)
{
// If rug is hovering...
if (itemController.GetItemState(RUG) == 2)
{
// fly across chasm on rug
string rugLoc = itemController.Where(RUG, LOCATION_POSITION.FIRST_LOCATION);
playerController.GoTo(playerController.CurrentLocation == rugLoc ? itemController.Where(RUG, LOCATION_POSITION.SECOND_LOCATION) : rugLoc, false);
flyMsg = itemController.TreasureWasSeen("68Sapphire") ? "227RugBack" : "226BoardRug";
outcome = CommandOutcome.FULL;
}
else
{
// Rug won't fly
flyMsg = "223RugUncooperative";
}
}
else
{
// Trying to fly something other than the rug, so force defult message
parserState.CurrentCommandState = CommandState.DISCARDED;
return(CommandOutcome.NO_COMMAND);
}
textDisplayController.AddTextToLog(playerMessageController.GetMessage(flyMsg));
parserState.CommandComplete();
return(outcome);
}
// === PUBLIC METHODS ===
public override CommandOutcome DoAction()
{
// If there are no further commands to be processed, then force the default message
if (!parserState.ContainsState(CommandState.NOT_PROCESSED))
{
parserState.CurrentCommandState = CommandState.DISCARDED;
}
else
{
// Otherwise - increment the go count and if it's been used 10 times, give the player a hint about not using it
if (controller.IncrementGoCount() == 10)
{
textDisplayController.AddTextToLog(playerMessageController.GetMessage("276NoGo"));
}
}
return(CommandOutcome.NO_COMMAND);
}
