public void ParseAndExecute(string alias, Arguments args = null)
{
var grammar = new GrammarParser(args);
var hasPrepositions = grammar.HasAnyPreposition();
if (!grammar.HasSubject() && !hasPrepositions)
{
this.Command.OutputLocationDescription();
return;
}
if (hasPrepositions)
{
if (grammar.HasPrepositionAt(Preposition.IN, 1) ||
grammar.HasPrepositionAt(Preposition.WITHIN, 1) ||
grammar.HasPrepositionAt(Preposition.INSIDE, 1))
{
var location = grammar.GetObjectOfPreposition(grammar.GetPreposition(1));
if (location == null)
{
ItemStrings.LOOK_INSIDE_WHAT.OutputResponse();
return;
}
LookInsideContainer(location);
return;
}
}
CommandStrings.NO_UNDERSTAND_LOOK.OutputResponse();
}
public void ParseAndExecute(string alias, Arguments args = null)
{
var grammar = new GrammarParser(args);
if (!grammar.HasSubject())
{
ItemStrings.WHAT_ITEM.OutputResponse(alias);
return;
}
var target = grammar.GetSubject();
var playerInventory = this.Command.GameState.Player.Inventory;
var targetItem = _parserService.GetItemFromInventory(target, playerInventory);
if (targetItem == null)
{
ItemStrings.ITEM_NOT_IN_PLAYER_INVENTORY.OutputResponse(target);
return;
}
if (!targetItem.IsDroppable)
{
ItemStrings.ITEM_CANNOT_BE_DROPPED.OutputResponse(targetItem.Name);
return;
}
this.Command.DropItem(targetItem);
targetItem.ItemStrings.ITEM_DROPPED.OutputResponse();
}
public void ParseAndExecute(string nameOrAlias, Arguments args = null)
{
var grammar = new GrammarParser(args);
if (!grammar.HasSubject())
{
// Converts a shortcut alias into its full name for the sake of a natural response
if (nameOrAlias == "i")
{
nameOrAlias = "inspect";
}
ItemStrings.WHAT_ITEM.OutputResponse(nameOrAlias);
return;
}
var target = grammar.GetSubject();
if (!grammar.HasAnyPreposition())
{
InspectFromCurrentLocation(target);
return;
}
if (grammar.HasPrepositionAt(Preposition.FROM, 1) ||
grammar.HasPrepositionAt(Preposition.OUT, 1) ||
grammar.HasPrepositionAt(Preposition.IN, 1) ||
grammar.HasPrepositionAt(Preposition.WITHIN, 1) ||
grammar.HasPrepositionAt(Preposition.INSIDE, 1))
{
var location = grammar.GetObjectOfPreposition(grammar.GetPreposition(1));
if (location == null)
{
ItemStrings.INSPECT_FROM_WHERE.OutputResponse(target);
return;
}
InspectInside(target, location);
return;
}
CommandStrings.NO_UNDERSTAND_INSPECT.OutputResponse(target);
}
public void ParseAndExecute(string nameOrAlias, Arguments args = null)
{
var grammar = new GrammarParser(args);
if (!grammar.HasSubject())
{
ItemStrings.WHAT_ITEM.OutputResponse(nameOrAlias);
return;
}
var target = grammar.GetSubject();
if (!grammar.HasAnyPreposition())
{
TakeFrom(target, new Noun("here"));
return;
}
if (grammar.HasPrepositionAt(Preposition.FROM, 1) ||
grammar.HasPrepositionAt(Preposition.OUT, 1) ||
grammar.HasPrepositionAt(Preposition.IN, 1) ||
grammar.HasPrepositionAt(Preposition.WITHIN, 1) ||
grammar.HasPrepositionAt(Preposition.INSIDE, 1))
{
var location = grammar.GetObjectOfPreposition(grammar.GetPreposition(1));
if (location == null)
{
ItemStrings.TAKE_FROM_WHERE.OutputResponse(target);
return;
}
TakeFrom(target, location);
return;
}
CommandStrings.NO_UNDERSTAND_TAKE.OutputResponse(target);
}
private void ParseAndExecuteWithArgs(Arguments args)
{
if (!args.HasAtLeast(1))
{
Output.WriteNewLine("Where do you want to move to?");
return;
}
var grammar = new GrammarParser(args);
if (grammar.HasSubject())
{
var subject = grammar.GetSubject();
ParseAndExecuteDirection(subject.Word);
}
else
{
var preposition = grammar.GetPreposition(1);
if (preposition == Preposition.TO)
{
if (grammar.HasObjectOfPreposition(preposition))
{
var objOfPrep = grammar.GetObjectOfPreposition(preposition);
ParseAndExecuteDirection(objOfPrep.Word);
}
else
{
Output.WriteNewLine("Where do you want to move to?");
}
}
else
{
Output.WriteNewLine("I don't understand where you want to go.");
}
}
}
