public static Command Parse(string userStatement)
{
Command newCommand = null;
Char[] split = new Char[1];
split[0] = ' ';
String[] commands = userStatement.Split(split);
CommandVerb verb = ParseVerb(commands[0]);
if (commands.Length < 2)
{
newCommand = new Command(verb, String.Empty);
}
else
{
newCommand = new Command(verb, commands[1]);
}
return newCommand;
}
private void ProcessShow(Command command)
{
PrintUserMessage(ItemManager.CommandShow(command));
}
private void ProcessOpen(Command command)
{
bool priorLock = false;
if(currentRoom.Door != null)
{
priorLock = currentRoom.Door.Locked;
}
PrintUserMessage(ItemManager.CommandOpen(command, player.Position, currentRoom));
if(priorLock == true)
{
if(currentRoom.Door != null)
{
if(currentRoom.Door.Locked == false)
{
// Erase Lock
foreach(Point doorPoint in currentRoom.Door.DoorPoints)
{
this.CellData.SetCharacter(doorPoint.X, doorPoint.Y, 0, Color.White);
}
}
}
}
}
private void ProcessDropItem(Command command)
{
Point dropCoordinates = player.GetFacingPoint(player.CurrentDirection);
bool collision;
if (CollisionDetection(dropCoordinates) == ObjectType.None)
{
collision = false;
}
else
{
collision = true;
}
UserMessage message = this.ItemManager.CommandDrop(command, dropCoordinates, collision);
if(message.Character.HasValue)
{
this.CellData.SetCharacter(dropCoordinates.X, dropCoordinates.Y, message.Character.Value, Color.White);
}
PrintUserMessage(message);
}
private void ProcessTake(Command command)
{
PrintUserMessage(this.ItemManager.CommandTake(command, player.Position));
}
private void ProcessLook(Command command)
{
PrintUserMessage(this.ItemManager.CommandLook(command));
}
public UserMessage CommandPlay(Command command, Point position)
{
// Run the play command
var returnMessage = new UserMessage();
CastleItem item = FindItemInInventory(command.Subject);
if (item == null)
{
returnMessage.AddLine(" You don't");
returnMessage.AddLine(" have it!");
return returnMessage;
}
Monster monster = FindMonsterInRoom();
if (monster != null)
{
UserMessage monsterMessage = monster.Play(item);
if(monsterMessage != null)
{
if (monster.IsVisible == false)
{
CurrentRoomMonsters.Remove(monster);
}
return monsterMessage;
}
}
returnMessage = RunSpecialCommand(command.Verb, command.Subject, position);
if (returnMessage != null)
{
return returnMessage;
}
// Determine if it is a real item
item = FindItem(command.Subject);
if (item == null)
{
returnMessage.AddLine("You don't have");
returnMessage.AddLine(String.Format("a {0}!", command.Subject));
}
else if (item.IsSpecialCommandSupported(CommandVerb.Play))
{
returnMessage.AddLine(" You don't");
returnMessage.AddLine(" have it!");
}
else
{
returnMessage.AddLine(String.Format("The {0}", item.InventoryName));
returnMessage.AddLine("makes Horrible");
returnMessage.AddLine("music!!");
}
return returnMessage;
}
public UserMessage CommandLook(Command command)
{
UserMessage returnMessage = new UserMessage();
CastleObject item = null;
// Find all inventory objects
item = FindItemInInventory(command.Subject);
if(item != null)
{
returnMessage.AddLine(item.Description);
return returnMessage;
}
// Find all Furnature objects
item = FindFurnatureInRoom(command.Subject);
if(item != null)
{
returnMessage.AddLine(item.Description);
return returnMessage;
}
// Find all items
item = FindItem(command.Subject);
if (item != null)
{
returnMessage.AddLine(" You Don't");
returnMessage.AddLine(" Have it!");
return returnMessage;
}
// Find univesral
item = FindFurnature(command.Subject);
if (item != null)
{
CastleFurnature castleFurnature = item as CastleFurnature;
if (castleFurnature.LookFailMessage != null)
{
returnMessage.AddLine("I don't see");
returnMessage.AddLine(castleFurnature.LookFailMessage);
return returnMessage;
}
}
// Find Monster
Monster monster = FindMonsterInRoom();
if(monster != null)
{
if(monster.IsAlive)
{
returnMessage.AddLine(monster.Description);
}
else
{
returnMessage.AddLine(monster.DeadDescription);
}
return returnMessage;
}
returnMessage.AddLine("I don't see");
returnMessage.AddLine(String.Format("a {0}", command.Subject));
returnMessage.AddLine("and I don't");
returnMessage.AddLine("have a");
returnMessage.AddLine(String.Format("{0}!", command.Subject));
return returnMessage;
}
public UserMessage CommandOpen(Command command, Point position, Room currentRoom)
{
// Run the Open command
UserMessage returnMessage = new UserMessage();
CastleItem key = FindItemInInventory("Key");
if(key == null)
{
returnMessage.AddLine(" You don't");
returnMessage.AddLine(" have a key!");
return returnMessage;
}
if(command.Subject.StartsWith("Door", StringComparison.CurrentCultureIgnoreCase) == false)
{
returnMessage.AddLine("Impossible!!");
return returnMessage;
}
// Is door in room
if (currentRoom.Door == null)
{
returnMessage.AddLine(" I don't");
returnMessage.AddLine(" see a door.");
return returnMessage;
}
if (currentRoom.Door.Locked)
{
foreach (Point point in currentRoom.Door.UnlockPoints)
{
if (position.X == point.X && position.Y == point.Y)
{
currentRoom.Door.Locked = false;
returnMessage.AddLine("Done");
return returnMessage;
}
}
}
returnMessage.AddLine(" I can't");
returnMessage.AddLine(" reach it!.");
return returnMessage;
}
public UserMessage CommandWave(Command command, Point position)
{
UserMessage returnMessage = RunSpecialCommand(command.Verb, command.Subject, position);
if(returnMessage == null)
{
returnMessage = new UserMessage();
CastleItem item = FindItemInInventory(command.Subject);
if(item != null)
{
returnMessage.AddLine("You look awful");
returnMessage.AddLine("Silly waving");
returnMessage.AddLine(String.Format("that {0}", item.GetDescription));
}
else
{
item = FindItem(command.Subject);
if(item != null)
{
returnMessage.AddLine("You don't have");
returnMessage.AddLine(String.Format("a {0}", item.GetDescription));
}
else
{
returnMessage.AddLine("You don't have");
returnMessage.AddLine(String.Format("a {0}", command.Subject));
}
}
}
return returnMessage;
}
public UserMessage CommandRead(Command command, Point position)
{
// Run the read command
UserMessage returnMessage = RunSpecialCommand(command.Verb, command.Subject, position);
if (returnMessage == null)
{
returnMessage = new UserMessage();
CastleItem item = FindItem(command.Subject);
if (item != null)
{
returnMessage.AddLine("You don't");
returnMessage.AddLine(" have a book!");
}
else
{
returnMessage.AddLine(" You can't");
returnMessage.AddLine(" read That!");
}
}
return returnMessage;
}
public UserMessage CommandWear(Command command, Point position)
{
// Run the wear command
UserMessage returnMessage = RunSpecialCommand(command.Verb, command.Subject, position);
if (returnMessage == null)
{
returnMessage = new UserMessage();
CastleItem item = FindItemInInventory(command.Subject);
if (item == null)
{
returnMessage.AddLine(" You don't");
returnMessage.AddLine(" have it!");
return returnMessage;
}
// Determine if it is a real item
item = FindItem(command.Subject);
if(item == null)
{
returnMessage.AddLine("You don't have");
returnMessage.AddLine(String.Format("a {0}!", command.Subject));
}
else if(item.IsSpecialCommandSupported(CommandVerb.Wear))
{
returnMessage.AddLine(" You don't");
returnMessage.AddLine(" have it!");
}
else
{
returnMessage.AddLine("That could be");
returnMessage.AddLine("Difficult!");
}
}
return returnMessage;
}
public UserMessage CommandDrink(Command command, Point location)
{
UserMessage returnMessage = RunSpecialCommand(command.Verb, command.Subject, location);
if( returnMessage == null)
{
returnMessage = new UserMessage();
returnMessage.AddLine("You don't have");
returnMessage.AddLine(String.Format("a {0}!", command.Subject));
}
return returnMessage;
}
public UserMessage CommandDrop(Command command, Point location, bool collision)
{
UserMessage returnMessage = new UserMessage();
// Verify item is in our inventory
CastleItem item = FindItemInInventory(command.Subject);
if (item == null)
{
returnMessage.AddLine("You don't have");
returnMessage.AddLine(String.Format("a {0}", command.Subject));
return returnMessage;
}
// Verify that nothing is in the way
if(collision)
{
returnMessage.AddLine(" Something is");
returnMessage.AddLine(" in the way!");
return returnMessage;
}
// Drop the item
currentInventory.Remove(item);
CurrentRoomItems.Add(item);
item.PutDown(currentRoomIndex, location);
returnMessage.Character = item.Character;
returnMessage.AddLine(" Done");
return returnMessage;
}
public UserMessage CommandTake(Command command, Point location)
{
UserMessage returnMessage = new UserMessage();
// Look in inventory
CastleItem item = FindItemInInventory(command.Subject);
if (item != null)
{
returnMessage.AddLine(" You already");
returnMessage.AddLine(" have it!");
return returnMessage;
}
// Look for hidden items
CastleFurnatureContainer container = FindHiddenItem(command.Subject);
if(container != null)
{
if (container.CanTakeItem(location))
{
if (currentInventory.Count >= maxItems)
{
returnMessage.AddLine("Can't carry any more!");
return returnMessage;
}
CastleItem getItem = container.TakeItem();
currentInventory.Add(getItem);
getItem.PickUp();
returnMessage.AddLine("Done.");
return returnMessage;
}
else
{
returnMessage.AddLine(" I can't");
returnMessage.AddLine(" reach it!");
return returnMessage;
}
}
// Look for items in the room we can take
item = FindItemInRoom(command.Subject);
if(item != null)
{
returnMessage.AddLine(" Get it");
returnMessage.AddLine(" Yourself!");
return returnMessage;
}
// Look for items in the room we can not take
item = FindItem(command.Subject);
if (item != null)
{
returnMessage.AddLine(" I don't see");
returnMessage.AddLine(String.Format(" a {0}", item.GetDescription));
return returnMessage;
}
// Look for furnature in the room
CastleFurnature castleFurnature = FindFurnatureInRoom(command.Subject);
if(castleFurnature != null)
{
if (castleFurnature.GetDescription != null)
{
returnMessage.AddLine(String.Format("{0}", castleFurnature.GetDescription));
returnMessage.AddLine("are too heavy!");
return returnMessage;
}
}
// Look for furnature in any room
castleFurnature = FindFurnature(command.Subject);
if (castleFurnature != null)
{
if (castleFurnature.GetDescription != null)
{
returnMessage.AddLine(String.Format("{0}", castleFurnature.GetDescription));
returnMessage.AddLine("are too heavy!");
returnMessage.AddLine("and I don't");
returnMessage.AddLine("see any!");
return returnMessage;
}
}
// Look for monsters in the room
Monster monster = FindMonsterInRoom();
if(monster != null)
{
returnMessage.AddLine("I don't think");
returnMessage.AddLine("that would be");
returnMessage.AddLine("very safe!");
return returnMessage;
}
// Look for special Cases
foreach(var roomItem in currentRoomFurnatureItems)
{
if (roomItem.IsSpecialCommandSupported(CommandVerb.Take))
{
UserMessage message = roomItem.RunCommand(CommandVerb.Take, command.Subject, this.currentRoomIndex, location, FindItemInInventory);
if(message != null)
{
return message;
}
}
}
returnMessage.AddLine("Impossible!!");
return returnMessage;
}
private void ProcessPlay(Command command)
{
PrintUserMessage(ItemManager.CommandPlay(command, player.Position));
}
private void WarpRoom(Command command)
{
int roomId;
if(Int32.TryParse(command.Subject, out roomId) == false)
{
ShowError();
}
else
{
currentRoomIndex = roomId;
DrawRoom();
}
}
public UserMessage CommandShow(Command command)
{
UserMessage returnMessage = new UserMessage();
CastleItem item = FindItemInInventory(command.Subject);
if(item == null)
{
returnMessage.AddLine("I don't have");
returnMessage.AddLine(String.Format("a {0}", command.Subject));
return returnMessage;
}
Monster monster = FindMonsterInRoom();
if(monster == null)
{
returnMessage.AddLine("There's not");
returnMessage.AddLine("anyone to");
returnMessage.AddLine("show it to!");
return returnMessage;
}
returnMessage = monster.Show(item);
if (monster.IsVisible == false)
{
CurrentRoomMonsters.Remove(monster);
}
return returnMessage;
}