package genegui;

import java.awt.geom.Point2D;

/** CellState.java
 A class used in conjuction with ModelState. Represents the state of all the nodes
 in a cell and its position.
 */
//public class CellState extends Object implements Serializable {
public class CellState {
	
	/** An array of relative values (0-100) for each node for this cell */
	private float[]                              NodeValues;
	/** The position of the cell */
	private Point2D.Float                        Position = new Point2D.Float(0,0);
	
	/** Simple constructor does little to be proud of. Used primarily by the
	 cloneState operation.
	 @author WJS
	 */
	public CellState() {
		
	}
	
	/** Main constructor assigns a 0 value to all nodes.
	 int size - The number od nodes.
	 @author WJS
	 */
	public CellState(int size) {
		
		NodeValues = new float[size];
		for (int i=0;i<size;i++) NodeValues[i] = 0;
		
	}
	
	/** Makes a clone of this CellState instance and returns it as a new CellState
	 instance.
	 @return CellState - A clone of the state.
	 @author WJS
	 */
	public CellState cloneState() {
		
		CellState newState = new CellState();
		newState.setCellState(this);
		
		return(newState);
		
	}
	
	/** Returns the location of the cell.
	 resturn Point2D.Float - Current position of the cell.
	 @author WJS
	 */
	public Point2D.Float getCellPosition() {
		
		return(Position);
		
	}
	
	/** Returns the value of a single node for this cell.
	 @param int index - The index of the node.
	 @return float - The value of the node.
	 @author WJS
	 */
	public float getNodeValue(int index) {
		
		return(NodeValues[index]);
		
	}
	
	/** Returns an array with the values of all the nodes for this cell.
	 @return float[] - The values of all the nodes for this cell.
	 @author WJS
	 */
	public float[] getNodeValueArray() {
		
		return(NodeValues);
		
	}
	
	/** Sets the location of the cell.
	 @param Point2D.Float position - New postion for the cell.
	 @author WJS
	 */
	public void setCellPosition(Point2D.Float position) {
		
		Position = position;
		
	}
	
	/** Sets the state of this cell by copying it from the another cell state
	 passed as an argument.
	 @param CellState state - The CellState of another cell to be copied to this cell.
	 @author WJS
	 */
	public void setCellState(CellState state) {
		
		float[] values = state.getNodeValueArray();
		NodeValues = new float[values.length];
		System.arraycopy(values,0,NodeValues,0,NodeValues.length);
		Position = state.getCellPosition();
		
	}
	
	/** Sets the value of a node for this cell.
	 @param int index - The index of the node.
	 @param float value - The new value for the node.
	 @author WJS
	 */
	public void setNodeValue(int index, float value) {
		
		NodeValues[index] = value;
		
	}
	
	/** Sets the values of all the nodes for this cell based upon an array of
	 values passed to it.
	 @param float[] values - The array of new values.
	 @author WJS
	 */
	public void setNodeValueArray(float[] values) {
		
		for (int i=0;i<NodeValues.length;i++)
			NodeValues[i] = values[i];
		
	}
	
	/** Resets all node values for this cell to 0.
	 @author WJS
	 */
	public void reset() {
		
		for (int i=0;i<NodeValues.length;i++)
			NodeValues[i] = 0;
		
	}
	
}