// Process an item word
private CommandOutcome ProcessItem(Command itemCommand)
{
// Select the command to use
ItemWord command = (ItemWord)itemCommand;
OldItem = command.AssociatedItem;
// Get the other word entered, if any
string[] otherWord = parserState.GetOtherWordText();
string otherWordActive = otherWord != null ? otherWord[0].ToUpper() : null;
// Check for use of certain item words as verbs
if ((command.CommandID == "1021Water" || command.CommandID == "1022Oil") && (otherWordActive == "PLANT" || otherWordActive == "DOOR"))
{
// Player is trying to water/oil the plant/door, so construct a POUR command with this item as the subject and execute that instead
CommandWord pourCommand = new CommandWord("POUR", null);
CommandWord newItemCommand = new CommandWord(parserState.Words[0], parserState.Words[1]);
parserState.ResetParserState(new CommandWord[2] {
pourCommand, newItemCommand
});
return(ProcessCommand());
}
else if (command.CommandID == "1004Cage" && otherWordActive == "BIRD" && playerController.ItemIsPresent("4Cage") && playerController.ItemIsPresent("8Bird"))
{
// Player is trying to cage the bird, so construct a CATCH command with the bird as the subject and execute that instead
CommandWord catchCommand = new CommandWord("CATCH", null);
CommandWord newItemCommand = new CommandWord(otherWord[0], otherWord[1]);
parserState.ResetParserState(new CommandWord[2] {
catchCommand, newItemCommand
});
return(ProcessCommand());
}
// Get the matching item
string item = command.AssociatedItem;
bool continueProcessing = true;
// Check if item is present
if (!playerController.ItemIsPresent(item))
{
// Item is not present so check for special cases
string loc = playerController.CurrentLocation; // Make short ref to current location
continueProcessing = false; // Assume we won't continue processing
switch (command.CommandID)
{
case "1003Grate":
// If GRATE used on its own, treat it like a movement word, if in an appropriate location
if (parserState.GetOtherWordText() == null)
{
if (playerController.PlayerCanBeFoundAt(new List <string> {
"1Road", "4Valley", "7SlitInStreambed"
}))
{
parserState.SubstituteCommand("63Depression");
continueProcessing = true;
}
else if (playerController.PlayerCanBeFoundAt(new List <string> {
"10CobbleCrawl", "11DebrisRoom", "12AwkwardCanyon", "13BirdChamber", "14TopOfPit"
}))
{
parserState.SubstituteCommand("64Entrance");
continueProcessing = true;
}
}
break;
case "1017Dwarf":
// If dwarf has been referenced, check that there is actually a dwarf here
if (dwarfController.FirstDwarfAt(loc) != -1)
{
// There is, so process next command
parserState.Subject = item;
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
continueProcessing = true;
}
break;
case "1021Water":
case "1022Oil":
// Check to see if the bottle is present with the correct liquid, or the correct liquid is present at this location
//Item bottle = itemController.GetItemWithID("20Bottle");
bool bottleHere = playerController.ItemIsPresent("20Bottle");
int requiredBottleState = command.CommandID == "1021Water" ? 0 : 2;
LiquidType requiredLiquidType = command.CommandID == "1021Water" ? LiquidType.WATER : LiquidType.OIL;
if ((bottleHere && itemController.GetItemState("20Bottle") == requiredBottleState) || locationController.LiquidAtLocation(loc) == requiredLiquidType)
{
// There is, so process next command
parserState.Subject = item;
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
continueProcessing = true;
}
else
{
// Otherwise check to see if the player is trying to manipulate oil and the urn is here and contains oil
if (command.CommandID == "1022Oil" && itemController.ItemIsAt("42Urn", loc) && itemController.GetItemState("42Urn") != 0)
{
// If so, set the subject to be the urn and continue processing
parserState.Subject = "42Urn";
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
continueProcessing = true;
}
}
break;
case "1024Plant":
// Check if player is trying to manipulate the plant, but is actually at a location where the phony plant is present
if (itemController.ItemIsAt("25PhonyPlant", loc) && itemController.GetItemState("25PhonyPlant") != 0)
{
// If so, set the subject to be the phony plant and continue processing
parserState.Subject = "25PhonyPlant";
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
continueProcessing = true;
}
break;
case "1005Rod":
// If the player is trying to do something with the rod, check if they are at the phony rod location
if (playerController.ItemIsPresent("6BlackRod"))
{
// If so, set the subject to be the phony rod and continue processing
parserState.Subject = "6BlackRod";
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
continueProcessing = true;
}
break;
}
// If we have a verb and it's FIND or INVENT, then it's OK that the subject is not present
if (!continueProcessing && (parserState.VerbIs("2019Find") || parserState.VerbIs("2020Inventory")))
{
parserState.Subject = item;
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
continueProcessing = true;
}
if (!continueProcessing)
{
// Mark this as discarded...
parserState.CurrentCommandState = CommandState.DISCARDED;
// ... but check if there's still more commands to be processed
if (parserState.ContainsState(CommandState.NOT_PROCESSED))
{
// ... if so, mark this as pending and process other command
parserState.CurrentCommandState = CommandState.PENDING;
continueProcessing = true;
}
else
{
// Object not present and isn't a special case so let player know that object is not here
textDisplayController.AddTextToLog(playerMessageController.GetMessage("256ISeeNo", parserState.Words));
return(CommandOutcome.MESSAGE);
}
}
}
else
{
// Special case for knife
if (item == "18Knife")
{
dwarfController.KnifeMessageShown();
textDisplayController.AddTextToLog(playerMessageController.GetMessage("116KnivesVanish"));
parserState.CommandComplete();
return(CommandOutcome.MESSAGE);
}
// The item is here, so set it as the subject
parserState.Subject = item;
parserState.CurrentCommandState = CommandState.SUBJECT_IDENTIFIED;
}
// Now check to see if we have a verb or an unprocessed command, or a carried over verb, and if so, go back to processing
if (parserState.ContainsState(CommandState.VERB_IDENTIFIED) || parserState.ContainsState(CommandState.NOT_PROCESSED) || parserState.SetCarriedOverCommand(false))
{
return(ProcessCommand());
}
// If we get here, the player has just given us the name of the item, so ask them what they want to do with it
parserState.CarryOverSubject();
textDisplayController.AddTextToLog(playerMessageController.GetMessage("255WantToDo", parserState.Words));
return(CommandOutcome.MESSAGE);
}