wyvern.lib.skills
Class Unlearner

java.lang.Object
  extended bywyvern.kernel.properties.PList
      extended bywyvern.kernel.maps.MapObject
          extended bywyvern.lib.skills.Unlearner
All Implemented Interfaces:
Broadcaster, Command, GameObject, MethodHookable, PropertyList

public class Unlearner
extends MapObject
implements Command

An object that can un-train you in skills, restoring your skill points. It responds to the "untrain" command, which it registers on a certain square in the map. You can put an NPC next to it who claims to be the one responding to the command.

You can put a few properties on it to customize it:

Version:
1.0, Oct 8, 2001
Author:
Steve Yegge

Field Summary
static int DEFAULT_UNTRAIN_COST
           
 
Fields inherited from class wyvern.kernel.maps.MapObject
IN_MAP_EDITOR, listenerList_
 
Fields inherited from class wyvern.kernel.properties.PList
readOnly_
 
Fields inherited from interface wyvern.lib.PropertyList
PROPERTY_PACKAGE
 
Constructor Summary
Unlearner()
           
 
Method Summary
 int checkMoney(Player agent)
          Checks if the agent has enough money to untrain.
 CommandEvent createEvent(CommandEvent e)
          Creates a CommandEvent that encapsulates all the state necessary to perform the command.
 boolean execute(CommandEvent event)
          Executes the specified CommandEvent.
 void initialize()
          Sets class-default properties.
 boolean knowsCommand(java.lang.String command)
          Returns true if this Command wants to handle the command.
 void message(Commandable agent, java.lang.String msg)
          Sends a message to the agent with prepend-msg prepended, in the TEXT_TALK style if appropriate.
 
Methods inherited from class wyvern.kernel.maps.MapObject
addContainerChangeListener, addDefaultProperty, addMapChangeListener, addMapMotionListener, addMethodHook, addMotionTracker, addObjectTracker, addPrefix, addSuffix, addToMap, bless, broadcast, broadcast, broadcast, broadcast, broadcast, canEnter, canEnterBlockedBy, canMove, canMove, canMoveBlockedBy, canMoveBlockedBy, canMoveTo, canMoveToBlockedBy, checkDrop, curse, cycleFrame, destroy, ensureListenerList, ensureWeight, externalize, fireContainerEntered, fireContainerExited, fireEnteredMap, fireExitedMap, fireMovedInMap, getAlpha, getAppearance, getArchetype, getBaseName, getBaseWeight, getBitmap, getBounds, getCanonicalClassName, getCategory, getContainer, getCreator, getDamagedDescription, getDescription, getDirection, getGenderPossessive, getGenderPronoun, getImage, getImageDescriptor, getImageDescriptors, getLayer, getLocations, getMap, getMapLink, getMaterial, getMaterialDescription, getMover, getOwningPlayer, getParentMap, getPrefixes, getQuantity, getReferenceLoc, getRelativeLocs, getShortDesc, getSuffixes, getTile, getTile, getValue, getWeight, groupString, inContainer, initLocs, inMapEditor, invalidate, invalidateImage, invalidateParent, invalidateText, isAnimated, isAttackable, isBlessed, isCommandable, isCursed, isDamned, isGroupable, isIdentified, isMonster, isMonsterOrPlayer, isPlayer, isTerrain, isUncursed, isUnpaid, isWizard, makeClone, markPaid, markUnpaid, move, occupies, positionAt, positionAtMap, remove, removeContainerChangeListener, removeFromMap, removeMapChangeListener, removeMapMotionListener, removeMethodHook, removeMotionTracker, removeObjectTracker, removePrefix, removeSuffix, runMethodHook, setAlpha, setAnimated, setBitmap, setCategory, setContainer, setDefaultBitmap, setDefaultCategory, setDefaultDesc, setDefaultImage, setDefaultIntProperty, setDefaultLayer, setDefaultMaterial, setDefaultProperty, setDefaultShortDesc, setDirection, setImage, setImage, setLayer, setLocations, setMap, setMapLink, setQuantity, setShape, setSize, setTransientSize, setWeight, setWeight, teleport, toString, updateMapLocation
 
Methods inherited from class wyvern.kernel.properties.PList
addProperty, addTransientProperty, adjustDoubleProperty, adjustIntProperty, adjustLongProperty, adjustTransientDoubleProperty, adjustTransientIntProperty, adjustTransientLongProperty, countLocalProperties, debugProperties, dismantlePropertyList, getDoubleProperty, getInheritedProperty, getInteger, getIntProperty, getLocalProperties, getLocalProperty, getLongProperty, getParent, getPersistentDoubleProperty, getPersistentIntProperty, getPersistentLocalProperties, getPersistentLongProperty, getPersistentProperty, getProfilingInfo, getProperties, getProperties, getPropertiesIncludingTransients, getPropertiesIncludingTransients, getProperty, getSerializableProperties, getSerializableProperty, getStringProperty, getTransientDoubleProperty, getTransientIntProperty, getTransientLongProperty, getTransientProperties, getTransientProperty, hasLocalProperty, hasPersistentProperty, hasProperty, hasTransientProperty, inheritProperty, isReadOnly, isRemoved, isTransientlyRemoved, printLocalProperties, printProperties, printProperties, printTransientProperties, removeProperty, removeTransientProperty, setDoubleProperty, setIntProperty, setLongProperty, setParent, setProperty, setReadOnly, setTransientDoubleProperty, setTransientIntProperty, setTransientLongProperty, setTransientProperty, toString, transientlyRemoveProperty
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface wyvern.lib.PropertyList
addProperty, addTransientProperty, adjustDoubleProperty, adjustIntProperty, adjustLongProperty, adjustTransientDoubleProperty, adjustTransientIntProperty, adjustTransientLongProperty, countLocalProperties, getDoubleProperty, getInheritedProperty, getIntProperty, getLocalProperties, getLocalProperty, getLongProperty, getParent, getPersistentDoubleProperty, getPersistentIntProperty, getPersistentLocalProperties, getPersistentLongProperty, getPersistentProperty, getProperties, getProperties, getPropertiesIncludingTransients, getPropertiesIncludingTransients, getProperty, getSerializableProperties, getSerializableProperty, getStringProperty, getTransientDoubleProperty, getTransientIntProperty, getTransientLongProperty, getTransientProperties, getTransientProperty, hasLocalProperty, hasPersistentProperty, hasProperty, hasTransientProperty, inheritProperty, isReadOnly, isRemoved, isTransientlyRemoved, printLocalProperties, printProperties, printProperties, printTransientProperties, removeProperty, removeTransientProperty, setDoubleProperty, setIntProperty, setLongProperty, setParent, setProperty, setReadOnly, setTransientDoubleProperty, setTransientIntProperty, setTransientLongProperty, setTransientProperty, toString, transientlyRemoveProperty
 

Field Detail

DEFAULT_UNTRAIN_COST

public static final int DEFAULT_UNTRAIN_COST
See Also:
Constant Field Values
Constructor Detail

Unlearner

public Unlearner()
Method Detail

initialize

public void initialize()
Sets class-default properties.

Specified by:
initialize in interface GameObject
Overrides:
initialize in class MapObject

knowsCommand

public boolean knowsCommand(java.lang.String command)
Description copied from interface: Command
Returns true if this Command wants to handle the command. The Command can examine the arguments and determine that it doesn't actually understand the command, in which case it should return false.

This method exists to allow more than one game object to implement the same command verb, but with different expected arguments.

If two objects register for the same command and the same arguments, the object that was registered most recently gets to handle at the command.

Specified by:
knowsCommand in interface Command
Parameters:
command - the entire command string, including arguments
Returns:
true if we want to handle the command

createEvent

public CommandEvent createEvent(CommandEvent e)
Description copied from interface: Command
Creates a CommandEvent that encapsulates all the state necessary to perform the command. A well-designed CommandEvent exposes all of its "properties" so that hook objects can modify its behavior. For instance, many commands result in some sort of message being sent back to the client. The message should be among the properties that hooks can override.

This method is called by the kernel. The kernel passes the event to the pre-hook, then calls Command.execute() (below) to execute the event, and finally calls the post-hook.

Specified by:
createEvent in interface Command
Parameters:
e - a "blank" CommandEvent containing only the command text and the agent who's performing the command. This initial event is created by the originator of the event (e.g. the AI or player's command preprocessor).
Returns:
a CommandEvent subclass encapsulating this command's execution parameters and state. It should copy in the fields from the passed-in event.

execute

public boolean execute(CommandEvent event)
Description copied from interface: Command
Executes the specified CommandEvent. The CommandEvent contains all the parameters and state required to execute the command; the parameters have been filtered through hook objects, so they may not be the same as when the event was created.

Specified by:
execute in interface Command
Parameters:
event - the CommandEvent to execute
Returns:
true if the event completed successfully, else false.

message

public void message(Commandable agent,
                    java.lang.String msg)
Sends a message to the agent with prepend-msg prepended, in the TEXT_TALK style if appropriate.


checkMoney

public int checkMoney(Player agent)
Checks if the agent has enough money to untrain.

Returns:
the cost to untrain, or -1 if player doesn't have enough money