First version of GridWorld

package fr.greyc.mad.framework.example.gridworld;

import java.util.Collections;

import java.util.List;

import fr.greyc.mad.framework.model.Action;

import fr.greyc.mad.framework.model.Environment;

import fr.greyc.mad.framework.model.Observation;

public class GridWorld extends Environment{

	@Override

	protected List<Action> getEnvironmentActions() {

		return Collections.emptyList();

	}

	// TODO: check semantics (and document in superclass)

	@Override

	protected List<Observation<?>> getEnvironmentObservations() {

		return Collections.emptyList();

	}

	public void move(GridWorldAgentBody body, int dRow, int dColumn) {

		// TODO Auto-generated method stub

	}

}

package fr.greyc.mad.framework.example.gridworld;

import fr.greyc.mad.framework.model.Action;

public class GridWorldAction implements Action {

	protected final GridWorld environment;

	protected final GridWorldAgentBody body;

	protected final int dRow;

	protected final int dColumn;

	public GridWorldAction(GridWorld environment, GridWorldAgentBody body, int dRow, int dColumn) {

		this.environment = environment;

		this.body = body;

		this.dRow = dRow;

		this.dColumn = dColumn;

	}

	@Override

	public void execute() {

		this.environment.move(this.body, this.dRow, this.dColumn);

	}

}

package fr.greyc.mad.framework.example.gridworld;

import java.util.HashMap;

import java.util.Map;

public class GridWorldActionFactory {

	protected final GridWorld environment;

	private final Map<GridWorldAgentBody, ActionMap> cache;

	public GridWorldActionFactory(GridWorld environment) {

		this.environment = environment;

		this.cache = new HashMap<>();

	}

	public GridWorldAction get(GridWorldAgentBody body, int dRow, int dColumn) {

		return this.cache.get(body).get(dRow, dColumn);

	}

	class ActionMap {

		final Map<Integer, Map<Integer, GridWorldAction>> map;

		final GridWorldAgentBody body;

		ActionMap(GridWorldAgentBody body) {

			this.map = new HashMap<>();

			this.body = body;

		}

		GridWorldAction get(int dRow, int dColumn) {

			Map<Integer, GridWorldAction> forRow = this.map.get(dRow);

			if (forRow == null) {

				forRow = new HashMap<>();

				this.map.put(dRow, forRow);

			}

			if (forRow.containsKey(dColumn)) {

				return forRow.get(dColumn);

			} else {

				GridWorldAction action = new GridWorldAction(GridWorldActionFactory.this.environment, this.body, dRow,

						dColumn);

				forRow.put(dColumn, action);

				return action;

			}

		}

	}

}

package fr.greyc.mad.framework.example.gridworld;

import java.util.List;

import fr.greyc.mad.framework.model.Action;

import fr.greyc.mad.framework.model.AgentBody;

import fr.greyc.mad.framework.model.Observation;

public class GridWorldAgentBody implements AgentBody{

	@Override

	public List<Action> getActions() {

		// TODO Auto-generated method stub

		return null;

	}

	@Override

	public List<Observation<?>> getObservations() {

		// TODO Auto-generated method stub

		return null;

	}

}

/**

 * A package for a simple grid world environment, with agents able to move from squares to neighboring squares.

 * 

 * @author Bruno Zanuttini

 */

package fr.greyc.mad.framework.example.gridworld;

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