/*-------------------------------------------------------------------------
svninfo: $Id$
Maarten's Mud, WWW-based MUD using MYSQL
Copyright (C) 1998 Maarten van Leunen
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Maarten van Leunen
Appelhof 27
5345 KA Oss
Nederland
Europe
maarten_l@yahoo.com
-------------------------------------------------------------------------*/
package mmud.commands;
import java.util.Vector;
import java.util.logging.Logger;
import mmud.Constants;
import mmud.MudException;
import mmud.MudMoneyException;
import mmud.ParseException;
import mmud.characters.Person;
import mmud.characters.Persons;
import mmud.characters.User;
import mmud.database.Database;
import mmud.database.ItemsDb;
import mmud.items.Item;
import mmud.items.ItemDoesNotExistException;
import mmud.items.ItemException;
/**
* Give an item in your inventory to another character. Syntax: give
* <item> to <character>
*/
public class GiveCommand extends NormalCommand
{
public GiveCommand(String aRegExpr)
{
super(aRegExpr);
}
@Override
public boolean run(User aUser) throws ItemException, ParseException,
MudException
{
Logger.getLogger("mmud").finer("");
// initialise string, important otherwise previous instances will return
// this
String[] myParsed = getParsedCommand();
if (myParsed.length >= 4
&& myParsed[myParsed.length - 2].equalsIgnoreCase("to"))
{
// determine if appropriate target is found.
Person toChar = Persons
.retrievePerson(myParsed[myParsed.length - 1]);
if ((toChar == null) || (!toChar.getRoom().equals(aUser.getRoom())))
{
aUser.writeMessage("Cannot find that person.<BR>\r\n");
return true;
}
// check for money
// "give [x] [gold,silver,copper] coin[s] to <person>"
if (myParsed[myParsed.length - 3].equalsIgnoreCase("coins")
|| myParsed[myParsed.length - 3].equalsIgnoreCase("coin"))
{
Logger.getLogger("mmud").finer("DEBUG!");
int amount = 1;
int newamount = 0;
String currency = null;
try
{
if (myParsed.length == 6)
{
amount = Integer.parseInt(myParsed[1]);
if (amount < 0)
{
aUser.writeMessage("I beg your pardon?<BR>\r\n");
return true;
}
}
if (myParsed[myParsed.length - 4].equalsIgnoreCase("gold"))
{
newamount = amount * 100;
currency = "gold";
} else if (myParsed[myParsed.length - 4]
.equalsIgnoreCase("silver"))
{
newamount = amount * 10;
currency = "silver";
} else if (myParsed[myParsed.length - 4]
.equalsIgnoreCase("copper"))
{
newamount = amount;
currency = "copper";
}
Logger.getLogger("mmud").finer(
"amount=" + amount + ",currency=" + currency
+ ",newamount=" + newamount);
if (newamount != 0)
{
try
{
aUser.transferMoneyTo(newamount, toChar);
} catch (MudMoneyException e)
{
aUser
.writeMessage("You do not have that much money.<BR>\r\n");
return true;
}
Database.writeLog(aUser.getName(), "gave " + newamount
+ " copper to " + toChar);
Persons.sendMessage(aUser, toChar, "%SNAME give%VERB2 "
+ amount + " " + currency + " coin"
+ (amount == 1 ? "" : "s")
+ " to %TNAME.<BR>\r\n");
return true;
}
} catch (NumberFormatException e)
{
// ignore this, pass it through to the standard give
// functionality.
}
}
// check for item in posession of this person
Vector stuff = Constants.parseItemDescription(myParsed, 1,
myParsed.length - 3);
int amount = ((Integer) stuff.elementAt(0)).intValue();
String adject1 = (String) stuff.elementAt(1);
String adject2 = (String) stuff.elementAt(2);
String adject3 = (String) stuff.elementAt(3);
String name = (String) stuff.elementAt(4);
Vector myItems = aUser.getItems(adject1, adject2, adject3, name);
if (myItems.size() < amount)
{
if (amount == 1)
{
aUser.writeMessage("You do not have that item.<BR>\r\n");
} else
{
aUser
.writeMessage("You do not have that many items.<BR>\r\n");
}
return true;
}
int j = 0;
for (int i = 0; ((i < myItems.size()) && (j != amount)); i++)
{
// here needs to be a check for validity of the item
boolean valid = true;
Item myItem = (Item) myItems.elementAt(i);
if (myItem.isAttribute("notgiveable"))
{
aUser.writeMessage("You cannot give that item.<BR>\r\n");
valid = false;
}
if (myItem.isWearing())
{
aUser
.writeMessage("You are wearing or wielding that item.<BR>\r\n");
valid = false;
}
if (valid)
{
// transfer item to other person
try
{
ItemsDb.transferItem(myItem, toChar);
Database.writeLog(aUser.getName(), "gave " + myItem
+ " to " + toChar.getName());
Persons.sendMessage(aUser, toChar, "%SNAME give%VERB2 "
+ myItem.getDescription()
+ " to %TNAME.<BR>\r\n");
j++;
} catch (ItemDoesNotExistException e)
{
Database.writeLog(aUser.getName(), "tried to give "
+ myItem + " to " + toChar.getName()
+ " but failed.");
// skipping this itemm, heading over to the next one.
}
}
}
return true;
}
return false;
}
public Command createCommand()
{
return new GiveCommand(getRegExpr());
}
}