package initialconditions;

import java.lang.*;
import java.io.*;
import main.BetterTokenizer;
import main.Cell;
import main.GeneralInput;

public class CellIC extends InitialCondition	{
	
	int						xpos=-1, ypos=-1;
	
	public final boolean	noiseAware = true;
	
	public CellIC()	{	super();	}
	
	public CellIC(String n, float iv, int x, int y)	{
		super();
		node = n;
		initValue = iv;
		xpos = x;
		ypos = y;
	}
	
	public void setModel(Cell [] cells)	{
		float val = initValue;
		if(noiseLevel > 0.0f)	{
			val += noiseLevel * (float)rng.nextGaussian();
			if(val < 0.0f) val = 0.0f;
		}
		try	{ cells[(ypos*Cell.arrayWidth)+xpos].setInitialValue(node, val); }
		catch(Exception e)	{ System.out.println("Error setting initial condition CellIC for <" + node + ">: " + e.toString()); return; }
	}
	
	public void setFrom(Cell [] cells, boolean takePresentValue) throws Exception	{
		if(!takePresentValue)	{
			initValue = cells[(ypos*Cell.arrayWidth)+xpos].getInitialValue(node);
		}
		else	{
			initValue = cells[(ypos*Cell.arrayWidth)+xpos].nodePeek(node);
		}
	}
	
	public void print()	{	System.out.println(node + " = " + initValue + " in row " + ypos + " position " + xpos + "; ");	}
	
	protected void loadParameter(String info, BetterTokenizer tokenizer) throws Exception	{
		if(info.equals("XPos")) {
			GeneralInput.nextToken(tokenizer);
			xpos = (int)tokenizer.nval;
		}
		else if(info.equals("YPos")) {
			GeneralInput.nextToken(tokenizer);
			ypos = (int)tokenizer.nval;
		}
		else super.loadParameter(info, tokenizer);
	}

	public void toString(PrintWriter pw, String indent) {
		super.toString(pw, indent);
		pw.println(indent + "&XPos\t" + xpos);
		pw.println(indent + "&YPos\t" + ypos);
	}

}