using UnityEngine;
using UnityEngine.UI;
using System.Collections;

namespace MoreMountains.Tools
{
    /// <summary>
    /// Add this component to any object and it'll set the target frame rate and vsync count. Note that vsync count must be 0 for the target FPS to work.
    /// </summary>
    [AddComponentMenu("More Mountains/Tools/Performance/MMFPSUnlock")]
    public class MMFPSUnlock : MonoBehaviour
    {
        [MMInformation("Add this component to any object and it'll set the target frame rate and vsync count. Note that vsync count must be 0 for the target FPS to work.", MoreMountains.Tools.MMInformationAttribute.InformationType.Info, false)]
        /// the target FPS you want the game to run at
        public int TargetFPS;
        [Range(0,2)]
        /// whether vsync should be enabled or not (on a 60Hz screen, 1 : 60fps, 2 : 30fps, 0 : don't wait for vsync)
        public int VSyncCount = 0;

        /// <summary>
        /// On start we change our target fps and vsync settings
        /// </summary>
		protected virtual void Start()
		{
            UpdateSettings();
		}	
        
        /// <summary>
        /// When a value gets changed in the editor, we update our settings
        /// </summary>
        protected virtual void OnValidate()
        {
            UpdateSettings();
        }

        /// <summary>
        /// Updates the target frame rate value and vsync count setting
        /// </summary>
        protected virtual void UpdateSettings()
        {
            QualitySettings.vSyncCount = VSyncCount;
            Application.targetFrameRate = TargetFPS;
        }
	}
}