ai.worlds.wumpus
Class WumpusWorld

java.lang.Object
  ai.worlds.Environment
      ai.worlds.GridEnvironment
          ai.worlds.wumpus.WumpusWorld

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Runnable

public class WumpusWorld

extends GridEnvironment

The wumpus world environment.

Author:

Jill Zimmerman -- jill.zimmerman@goucher.edu

Nested Class Summary

Nested classes inherited from class ai.worlds.GridEnvironment

GridEnvironment.GridCanvas

Field Summary

Wumpus

w The single wumpus in the world

Fields inherited from class ai.worlds.GridEnvironment

canvas, DOWN, grid, LEFT, RIGHT, size, start, UP, visited

Fields inherited from class ai.worlds.Environment

agents, display, maxSteps, runner, step

Constructor Summary

WumpusWorld(Agent[] a, int xsize, int ysize, javax.swing.JFrame f)

WumpusWorld(Agent[] a, int xsize, int ysize, javax.swing.JFrame f, java.lang.String filename)

Method Summary

java.lang.Object	getPercept(Agent a) Get the agent percept.
boolean	legalAction(java.lang.String a) Determine if an action is legal.
int	performanceMeasure(Agent a) Score the performance of the agent.
boolean	termination() End when some agent climbs out or for the default reason (everyone dead).
void	updateEnv() Turn off all bump flags and execute the agent actions.

Methods inherited from class ai.worlds.GridEnvironment

addObj, clone, contains, copyGrid, fillGrid, fillLoc, forward, getItem, grab, neighbor, removeObj, snapshot, turn

Methods inherited from class ai.worlds.Environment

displayEnv, executeAgentActions, run, start, stop, takeStep

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

w

public Wumpus w

The single wumpus in the world

Constructor Detail

WumpusWorld

public WumpusWorld(Agent[] a,
                   int xsize,
                   int ysize,
                   javax.swing.JFrame f)

WumpusWorld

public WumpusWorld(Agent[] a,
                   int xsize,
                   int ysize,
                   javax.swing.JFrame f,
                   java.lang.String filename)

Method Detail

legalAction

public boolean legalAction(java.lang.String a)

Determine if an action is legal.

Specified by:

legalAction in class Environment

Parameters:

a - is the action string

updateEnv

public void updateEnv()

Description copied from class: GridEnvironment

Turn off all bump flags and execute the agent actions.

Overrides:

updateEnv in class GridEnvironment

termination

public boolean termination()

End when some agent climbs out or for the default reason (everyone dead).

Overrides:

termination in class GridEnvironment

performanceMeasure

public int performanceMeasure(Agent a)

Description copied from class: Environment

Score the performance of the agent.

Specified by:

performanceMeasure in class Environment

Parameters:

a - Agent in the environment

getPercept

public java.lang.Object getPercept(Agent a)

Get the agent percept.

Specified by:

getPercept in class Environment

Parameters:

a - is the agent.

Returns:

a vector indicating [stench, breeze, glitter, bump, sound]