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PikeHuntProcess.java 2.74 KiB
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package pikelake.pikes;
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//import java.util.Collections;
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import java.util.Comparator;
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//import java.util.List;
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//import pikelake.Cell;
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import umontreal.iro.lecuyer.probdist.UniformDist;
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import umontreal.iro.lecuyer.randvar.UniformGen;
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import fr.cemagref.simaqualife.kernel.AquaNismsGroup;
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import fr.cemagref.simaqualife.kernel.processes.LoopAquaNismsGroupProcess;
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import fr.cemagref.simaqualife.kernel.util.TransientParameters.InitTransientParameters;
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import fr.cemagref.simaqualife.pilot.Pilot;
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/**
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 * @author patrick.lambert
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 *
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 */
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public class PikeHuntProcess extends
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LoopAquaNismsGroupProcess<Pike, AquaNismsGroup<Pike, ?>> {
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	/**
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	 * <code>satiety</code> ratio of the pike weigth which stops eating
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	 * preys
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	 */
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	@SuppressWarnings("unused")
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	private double satiety = 0.10;
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	@SuppressWarnings("unused")
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	transient private UniformGen uniformGen;
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	@Override
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	protected void doProcess (Pike pike, AquaNismsGroup<Pike, ?> group) {
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		System.out.println("PikeHuntProcess");
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//		Cell pikeCell = pike.getPosition();
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/*		if (pikeCell.getPreys().size() > 0) {
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			//System.out.print(" " +  pikeCell.getPreys().size() +" preys available in cell ");
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			//System.out.print("("+pikeCell.getX()+","+pikeCell.getY()+")");
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			// sort the preys list according to the weigth
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			List<Prey> sortedPreys = pikeCell.getPreys();
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			Collections.sort(sortedPreys);
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			double ratio = pike.getIngestedFood()/pike.getWeight();
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			int idx = 0;
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			int idxMax =  sortedPreys.size();
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			int target=0;
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			int eaten=0;
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			while ((pike.getIngestedFood()/pike.getWeight() < satiety) && (idx < idxMax)) {
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				// the probability for a prey to be eaten depends
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				// on the habitat quality in the cell
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				if (uniformGen.nextDouble() < pikeCell.getHabitatQuality()){
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					// eat the prey
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					Prey eatenPrey = sortedPreys.get(target);
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					pike.addIngestedFood(eatenPrey.getWeight());
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					// and the prey dies
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					((PreysGroup)group.getPilot().getAquaticWorld().getAquaNismsGroupsList().get(0)).removeAquaNism(eatenPrey);
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					//this.interAquanism(eatenPrey);
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					pikeCell.removePrey(eatenPrey);
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					eaten ++;
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				}
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				else
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target ++; idx++; ratio = pike.getIngestedFood()/pike.getWeight(); } ratio= ((double) Math.round(100*ratio))/100; //System.out.println(", " + eaten + " preys eaten ("+ ratio +" ), still " + pikeCell.getPreys().size()); } */ } @InitTransientParameters public void initTransientParameters (Pilot pilot) { sorted = true; comparator = new Comparator<Pike>() { public int compare(Pike o1, Pike o2) { return (int) Math.signum(o2.getWeight() - o1.getWeight()); } }; uniformGen = new UniformGen(pilot.getRandomStream(), new UniformDist()); } }