package kf2ads;

import java.math.RoundingMode;
import java.text.DecimalFormat;

public class Normalization {
	double rfov, coef;
	double[] zoom, rzoom;
	String[] bind;

	public Normalization(double f, double c) {
		rfov = Math.toRadians(90 * f);
		coef = c;
		zoom = new double[6];
		zoom[0] = 80 * f;
		zoom[1] = 77 * f;
		zoom[2] = 75 * f;
		zoom[3] = 73 * f;
		zoom[4] = 70 * f;
		zoom[5] = 65 * f;
		rzoom = new double[6];
		for (int i = 0; i < rzoom.length; i++) {
			rzoom[i] = Math.toRadians(zoom[i]);
		}
		bind = new String[6];
		calcBind();
	}

	public void calcBind() {
		DecimalFormat df = new DecimalFormat("#.######");
		df.setRoundingMode(RoundingMode.HALF_UP);
		bind[0] = "SetBind NumpadOne \"fov " + df.format(zoom[0]) + "|SetZoomedSensitivity " + df.format(Normalize(0))
				+ "\"";
		bind[1] = "SetBind NumpadTwo \"fov " + df.format(zoom[1]) + "|SetZoomedSensitivity " + df.format(Normalize(1))
				+ "\"";
		bind[2] = "SetBind NumpadThree \"fov " + df.format(zoom[2]) + "|SetZoomedSensitivity " + df.format(Normalize(2))
				+ "\"";
		bind[3] = "SetBind NumpadFour \"fov " + df.format(zoom[3]) + "|SetZoomedSensitivity " + df.format(Normalize(3))
				+ "\"";
		bind[4] = "SetBind NumpadFive \"fov " + df.format(zoom[4]) + "|SetZoomedSensitivity " + df.format(Normalize(4))
				+ "\"";
		bind[5] = "SetBind NumpadSix \"fov " + df.format(zoom[5]) + "|SetZoomedSensitivity " + df.format(Normalize(5))
				+ "\"";
	}

	public double Normalize(int z) {
		if (coef > 0)
			return Math.atan(coef * Math.tan(rzoom[z] / 2)) / Math.atan(coef * Math.tan(rfov / 2)) / zoom[z] / 0.013330;
		return Math.tan(rzoom[z] / 2) / Math.tan(rfov / 2) / zoom[z] / 0.013330;
	}

	public String toString() {
		String output = "";
		for (String s : bind)
			output += s + "|";
		return output.substring(0, output.length() - 1);
	}
}