package initialconditions;

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

/**
An initial condition class that sets a middle cell to one value and then the
cells immediately surrounding that middle cell to a second value.
<br>Input Parameters:
<br>Node<br>Value<br>SurroundValue<br>XPos<br>YPos<p>
*/
public class SequenceACSC1 extends InitialCondition	{
/** 0 = rows */
	int				rowsOrCols;
/** The highest value given to a cell. Cells will be spaced uniformly from initValue to endValue */
	float			endValue;
	
	public SequenceACSC1()	{	}
	
	public SequenceACSC1(String n, int rows, float start_value, float end_value)	{
		node = n;
		rowsOrCols = rows;
		initValue = start_value;
		endValue = end_value;
	}
	
	public void setModel(Cell [] cells)	{
		int		x, y;
		try {
			float val = initValue, incr;
			if(rowsOrCols == 0) {
				incr = (endValue - initValue) / (Cell.arrayWidth - 1);
				for(x = 0; x < Cell.arrayWidth; x++) {
					for(y = 0; y < Cell.arrayHeight; y++) {
						Cell cell = cells[y * Cell.arrayWidth + x];
						cell.setInitialValue(node, val);
					}
					val += incr;
				}
			}
			else {
				incr = (endValue - initValue) / (Cell.arrayHeight - 1);
				for(y = 0; y < Cell.arrayHeight; y++) {
					for(x = 0; x < Cell.arrayWidth; x++) {
						Cell cell = cells[y * Cell.arrayWidth + x];
						cell.setInitialValue(node, val);
					}
					val += incr;
				}
			}
		} catch(Exception e)	{ System.out.println(e.toString()); return; }
	}

	protected void loadParameter(String info, BetterTokenizer tokenizer) throws Exception	{
		if(info.equals("EndValue")) {
			GeneralInput.nextToken(tokenizer);
			endValue = (float)tokenizer.nval;
		}
		if(info.equals("RowsOrCols")) {
			GeneralInput.nextToken(tokenizer);
			rowsOrCols = (int)tokenizer.nval;
		}
		else super.loadParameter(info, tokenizer);
	}

	public void toString(PrintWriter pw, String indent) {
		super.toString(pw, indent);
		pw.println(indent + "&EndValue\t" + endValue);
		pw.println(indent + "&RowsOrCols\t" + rowsOrCols);
	}
}