using UnityEngine;

namespace CinemaDirector
{
	[CutsceneItem("GUITexture", "Fade Texture", new CutsceneItemGenre[] { CutsceneItemGenre.GlobalItem })]
	public class FadeTexture : CinemaGlobalAction
	{
		public GUITexture target;

		public Color tint = Color.grey;

		private void Awake()
		{
			if (target != null)
			{
				target.enabled = false;
				target.color = Color.clear;
			}
		}

		public override void Trigger()
		{
			if (target != null)
			{
				target.enabled = true;
				target.color = Color.clear;
			}
		}

		public override void ReverseTrigger()
		{
			End();
		}

		public override void UpdateTime(float time, float deltaTime)
		{
			if (target != null)
			{
				float num = time / base.Duration;
				if (num <= 0.25f)
				{
					FadeToColor(Color.clear, tint, num / 0.25f);
				}
				else if (num >= 0.75f)
				{
					FadeToColor(tint, Color.clear, (num - 0.75f) / 0.25f);
				}
			}
		}

		public override void SetTime(float time, float deltaTime)
		{
			if (target != null)
			{
				target.enabled = true;
				if (time >= 0f && time <= base.Duration)
				{
					UpdateTime(time, deltaTime);
				}
				else if (target.enabled)
				{
					target.enabled = false;
				}
			}
		}

		public override void End()
		{
			if (target != null)
			{
				target.enabled = false;
			}
		}

		public override void ReverseEnd()
		{
			Trigger();
		}

		public override void Stop()
		{
			if (target != null)
			{
				target.enabled = false;
			}
		}

		private void FadeToColor(Color from, Color to, float transition)
		{
			target.color = Color.Lerp(from, to, transition);
		}
	}
}