WorkerBuilding.java

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package jsettlers.logic.buildings.workers;

import java.util.ArrayList;
import java.util.List;

import jsettlers.common.buildings.EBuildingType;
import jsettlers.common.mapobject.EMapObjectType;
import jsettlers.common.material.EMaterialType;
import jsettlers.common.position.ShortPoint2D;
import jsettlers.common.utils.Tuple;
import jsettlers.logic.buildings.IBuildingsGrid;
import jsettlers.logic.buildings.MaterialProductionSettings;
import jsettlers.logic.buildings.WorkAreaBuilding;
import jsettlers.logic.buildings.stack.IRequestStack;
import jsettlers.logic.map.grid.partition.manager.manageables.IManageableWorker;
import jsettlers.logic.map.grid.partition.manager.manageables.interfaces.IWorkerRequestBuilding;
import jsettlers.logic.player.Player;

/**
 * This class is a building with a worker that can fulfill it's job.
 * 
 * @author Andreas Eberle
 * 
 */
public class WorkerBuilding extends WorkAreaBuilding implements IWorkerRequestBuilding {
	private static final long serialVersionUID = 7050284039312172046L;

	private IManageableWorker worker;

	/**
	 * Points where we need to clean up pigs or donkeys.
	 */
	private List<Tuple<ShortPoint2D, EMapObjectType>> cleanupPositions = null;

	public WorkerBuilding(EBuildingType type, Player player, ShortPoint2D position, IBuildingsGrid buildingsGrid) {
		super(type, player, position, buildingsGrid);
	}

	@Override
	public final EMapObjectType getFlagType() {
		return EMapObjectType.FLAG_ROOF;
	}

	@Override
	protected final int constructionFinishedEvent() {
		requestWorker();
		return -1; // no scheduling required
	}

	private void requestWorker() {
		super.grid.requestBuildingWorker(super.getBuildingType().getWorkerType(), this);
	}

	@Override
	protected final int subTimerEvent() {
		assert false : "This should never be called, as this building should not be scheduled.";
		return -1;
	}

	protected final boolean popMaterialFromStack(EMaterialType material) {
		for (IRequestStack stack : super.getStacks()) {
			if (stack.getMaterialType() == material) {
				return stack.pop();
			}
		}
		return false;
	}

	@Override
	public final void occupyBuilding(IManageableWorker worker) {
		if (super.isNotDestroyed()) {
			this.worker = worker;
			super.showFlag(true);
			super.initWorkStacks();
		}
	}

	@Override
	public MaterialProductionSettings getMaterialProduction() {
		return grid.getMaterialProductionAt(pos.x, pos.y);
	}

	@Override
	public final void leaveBuilding(IManageableWorker worker) {
		if (worker == this.worker) {
			this.worker = null;
			super.showFlag(false);
			super.releaseRequestStacks();
			requestWorker();
		} else {
			System.err.println("ERROR: A worker not registered at the building wanted to leave it!");
		}
	}

	@Override
	protected final void killedEvent() {
		if (worker != null) {
			this.worker.buildingDestroyed();
			this.worker = null;
		}

		if (cleanupPositions != null) {
			for (Tuple<ShortPoint2D, EMapObjectType> cleanup : cleanupPositions) {
				grid.getMapObjectsManager().removeMapObjectType(cleanup.e1.x, cleanup.e1.y, cleanup.e2);
			}
		}
		super.killedEvent();
	}

	@Override
	public final boolean isOccupied() {
		return worker != null;
	}

	@Override
	public boolean tryTakingResource() {
		return false;
	}

	@Override
	public boolean tryTakingFoood(EMaterialType[] foodOrder) {
		return false;
	}

	@Override
	public void addMapObjectCleanupPosition(ShortPoint2D pos, EMapObjectType objectType) {
		if (cleanupPositions == null) {
			cleanupPositions = new ArrayList<>();
		}

		for (Tuple<ShortPoint2D, EMapObjectType> cleanup : cleanupPositions) {
			if (cleanup.e1.equals(pos) && cleanup.e2 == objectType) {
				return;
			}
		}
		cleanupPositions.add(new Tuple<>(pos, objectType));
	}
}