import java.awt.Graphics;
import java.util.Iterator;


public class DrawVoronoi implements IDrawAgent {

	double m_lfMaxLen;
	int m_nColor=12;
	
	{ m_lfMaxLen = 15.0; }
	IStateAccessor m_stateAccess;
	
	{ m_stateAccess = new StateAccessors.PassThrough(); }
	
	public DrawVoronoi() {
		
	}
	
	public DrawVoronoi(double lfMaxLen) {
		m_lfMaxLen = lfMaxLen;
	}
	
	public DrawVoronoi(double lfMaxLen, IStateAccessor access) {
		m_lfMaxLen = lfMaxLen;
		m_stateAccess = access;
	}
	
	public void setColor(int nColor) {
		m_nColor=nColor;
	}
	
	public void draw(java.awt.Graphics g, IProjection p, double[] arrLfPoints,
			StateBundle[] arrAgentStates,
			CommGraph graph) {

		g.setColor(globalsUI.getColorMap().getColor(9));
		if(arrAgentStates == null) {
			return;
		}
		for(int nId = 0; nId < arrAgentStates.length; ++nId) {
			try {
				
				g.setColor(globalsUI.getColorMap().getColor(m_nColor));
				ILogicVarBundle bundle = arrAgentStates[nId].getVars();
				bundle = m_stateAccess.access(bundle);
				IVoronoiHolder voronoi = (IVoronoiHolder)bundle;
				
				DistributedDelaunayClip clipData = 
					voronoi.getClipAgent();
				
				Iterator<DistributedDelaunayClip.Edge> edgeIter =
					clipData.iterator();
				
				double [] arrLfFirstPt = null;
				double [] arrLfLastPt = null;
				
				int nRad = 0;
				try {
					nRad = p.scaleRadius(m_lfMaxLen);
				} catch(Exception e) {
					nRad = 0;
				}
				double lfLastAng = 0.0;
				while(edgeIter.hasNext()) {
					DistributedDelaunayClip.Edge edge = 
						edgeIter.next();
					double [] arrLfEnd = 
						clipData.getEdgeEnd(edge,m_lfMaxLen);

					double [] arrLfStart = 
						clipData.getEdgeStart(edge,m_lfMaxLen);
					if(arrLfFirstPt == null) {
						arrLfFirstPt = arrLfStart;
					}
					g.drawLine(p.getScreenComp(0, arrLfStart, 0), 
							p.getScreenComp(1, arrLfStart, 0), 
							p.getScreenComp(0, arrLfEnd, 0), 
							p.getScreenComp(1, arrLfEnd, 0));
/*					if(arrLfLastPt != null) {
						lfLastAng = Math.atan2(arrLfLastPt[1],
								arrLfLastPt[0]);
						double lfNextAng = Math.atan2(arrLfStart[1],
								arrLfStart[0]);
						int nSweepStart = (int)(180.0*lfLastAng/Math.PI);
						int nSweepEnd = (int)(180.0*lfNextAng/Math.PI);
						g.drawArc(p.getScreenComp(0, arrLfPoints, 2*nId)-nRad, 
								p.getScreenComp(1, arrLfPoints, 2*nId)-nRad, 
								2*nRad, 2*nRad, 
								nSweepStart, 
								nSweepEnd-nSweepStart);
					}*/
					arrLfLastPt = arrLfEnd;
				}
				
			} catch(java.lang.ClassCastException e) {
				
			}
		}

	}

}