pacworld
Class PackageWorld

java.lang.Object
  agent.Environment
      pacworld.PackageWorld

public class PackageWorld
extends Environment

A simulator for the package delivery world environment.

Field Summary

static java.io.PrintStream	actLog
static int	DEFAULT_NUM_AGENTS
static int	DEFAULT_NUM_DESTINATIONS Number of destinations.
static int	DEFAULT_NUM_PACKAGES Number of packages.
static int	DEFAULT_WORLD_SIZE The length (and width) of the world.
static int	MAX_NUM_DESTINATIONS
PacGUI	pg The GUI that displays the current world

Constructor Summary

PackageWorld()

PackageWorld(java.io.PrintStream actLog)

Method Summary

void	addAgent(Agent agent) Add a new agent to the environment.
java.util.List<Agent>	getAgents() Returns a list of the agents in the environment.
int	getNumAgents() Return the number of agents in the environment.
int	getPerformanceMeasure(Agent a) Return the performance measure of the agent in the current environment.
java.lang.String	getScoreMsg() Returns a string containing score information for the agent team.
int	getTeamPerformanceMeasure() Return the performance measure of a team of agents in a cooperative environment.
int	getWorldSize() Return the size of the grid for the environment.
void	logMessage(java.lang.String message) Outputs a message to the log and the GUI.
static void	main(java.lang.String[] args) Starts the program.
void	resetAgents() Clears all agents from the environment.
void	setGUI(PacGUI gui) Associate a GUI with the environment.
void	start(State initState) Run the simulation starting from a given state.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_NUM_AGENTS

public static int DEFAULT_NUM_AGENTS

DEFAULT_WORLD_SIZE

public static int DEFAULT_WORLD_SIZE

The length (and width) of the world. The world must be a square.

DEFAULT_NUM_PACKAGES

public static int DEFAULT_NUM_PACKAGES

Number of packages.

DEFAULT_NUM_DESTINATIONS

public static int DEFAULT_NUM_DESTINATIONS

Number of destinations.

MAX_NUM_DESTINATIONS

public static int MAX_NUM_DESTINATIONS

actLog

public static java.io.PrintStream actLog

pg

public PacGUI pg

The GUI that displays the current world

Constructor Detail

PackageWorld

public PackageWorld()

PackageWorld

public PackageWorld(java.io.PrintStream actLog)

Method Detail

addAgent

public void addAgent(Agent agent)

Add a new agent to the environment. Note, the agents List is actually an ArrayList of PacAgentReps.

Specified by:

addAgent in class Environment

getAgents

public java.util.List<Agent> getAgents()

Returns a list of the agents in the environment.

resetAgents

public void resetAgents()

Clears all agents from the environment.

getScoreMsg

public java.lang.String getScoreMsg()

Returns a string containing score information for the agent team.

getPerformanceMeasure

public int getPerformanceMeasure(Agent a)

Return the performance measure of the agent in the current environment. Since this is a team environment, we only return the team's performance measure, regardless of the agent.

Specified by:

getPerformanceMeasure in class Environment

getTeamPerformanceMeasure

public int getTeamPerformanceMeasure()

Return the performance measure of a team of agents in a cooperative environment. Higher values are considered better.

Specified by:

getTeamPerformanceMeasure in class Environment

getWorldSize

public int getWorldSize()

Return the size of the grid for the environment.

getNumAgents

public int getNumAgents()

Return the number of agents in the environment.

setGUI

public void setGUI(PacGUI gui)

Associate a GUI with the environment.

start

public void start(State initState)

Run the simulation starting from a given state. This consists of a sense-act loop for each agent.

Overrides:

start in class Environment

logMessage

public void logMessage(java.lang.String message)

Outputs a message to the log and the GUI.

main

public static void main(java.lang.String[] args)

Starts the program.