org.cogchar.api.animoid.protocol.JointPositionCache Maven / Gradle / Ivy

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Physical and spatial calculations

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/*
 *  Copyright 2011 by The Cogchar Project (www.cogchar.org).
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.cogchar.api.animoid.protocol;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 *
 * @author Stu B. 
 */
public class JointPositionCache {
	public	int					myRegisteredCounter;
	public  int					myCacheHitCounter;
	private	Map	myLines = new HashMap();
	private class Line {
		Joint			myJoint;
		List		myPositions = new ArrayList();
		// LinkedList	mySortedPositions = new LinkedList();
		public JP findOrRegisterJP(JP candidate) {
			/*
			for (int i=0; i < mySortedPositions.size(); i++) {
				JP jp = mySortedPositions.get(i);
			 */
			for (JP jp : myPositions) {
				if (jp.equals(candidate)) {
					myCacheHitCounter++;
					return jp;
				}
			}
			myPositions.add(candidate);
			myRegisteredCounter++;
			return candidate;
		}
	}
	private Line findOrMakeLine(Joint j) {
		Line l = myLines.get(j);
		if (l == null) {
			l = new Line();
			l.myJoint = j;
			myLines.put(j, l);
		}
		return l;
	}
	public JP findOrRegisterJointPos(JP candidate) {
		Joint j = candidate.getJoint();
		Line l = findOrMakeLine(j);
		return l.findOrRegisterJP(candidate);
	}

}