using UnityEngine;
using System.Collections;

public class SettingsMenu : MenuLayer {

	public override string Name { get {return "SettingsMenu"; } }
	
	
	public override void Draw(){
		float w = (float)Screen.width;
		float h = (float)Screen.height;
		
		float boxWidth = 300;
		float boxHeight = 200;
		
		float boxOffsetX = (w - boxWidth) * 0.5f;
		float boxOffsetY = (h - boxHeight) * 0.5f;
		Rect boxRect = new Rect (boxOffsetX, boxOffsetY, boxWidth, boxHeight);
		GUI.Box (boxRect, "");
		
		
		float buttonHeight = 50;
		float buttonWidth = 150;
		float buttonMargin = 10;

		float sliderSize = boxWidth * 0.9f;
		float sliderHeight = 20.0f;

		float value = gameManager == null ? 50 : gameManager.State.Volume;
		value = GUI.HorizontalSlider (new Rect (boxRect.center.x - sliderSize * 0.5f, boxRect.center.y - sliderHeight * 0.5f, sliderSize, sliderHeight), value, 0, 100);
		if (gameManager != null) {
			gameManager.State.Volume = value;
		}

		GUI.Label(new Rect (boxRect.center.x - sliderSize * 0.5f, boxRect.center.y - sliderHeight * 0.5f - 30, sliderSize, sliderHeight), "Громкость");


		if (GUI.Button (new Rect (boxRect.center.x - buttonWidth * 0.5f, 
		                          (boxRect.yMax - buttonHeight - buttonMargin), buttonWidth, buttonHeight), "Назад")) {
			gameManager.SaveState();
			manager.ActivatePreviousMenu();
		}
	}
	
	public override void Enter(){
		
	}
	public override void Leave(){
		
	}
}