using System;
using Inno.DLC;
using SUISS.Core;
using SUISSEngine;
using UnityEngine;

public class JPEGLoader : MonoBehaviour
{
	public static int TextureScalingFactor
	{
		get
		{
			if (JPEGLoader.MemorySize < 1024 || JPEGLoader.MaxTextureSize < 4096)
			{
				return 4;
			}
			if (JPEGLoader.MemorySize > 1500)
			{
				return 1;
			}
			return 2;
		}
	}

	public void DownloadCompleted(string group, string name)
	{
		if (group == this.dlcGroup && name == this.dlcName)
		{
			if (this.spriteRenderer != null)
			{
				this.spriteRenderer.sprite = null;
			}
			this.OnDestroy();
			this.Awake();
		}
	}

	protected void Awake()
	{
		byte[] array = null;
		if (!string.IsNullOrEmpty(this.dlcGroup) && !string.IsNullOrEmpty(this.dlcName))
		{
			DLCManager dlcmanager = ServiceLocator.Find<DLCManager>();
			if (dlcmanager != null && dlcmanager.IsEnabled)
			{
				DLCGroup dlcgroup = dlcmanager.GetGroup(this.dlcGroup).FileSelection("Type", "Background");
				if (dlcgroup.IsDownloaded)
				{
					DLCFile fileWithName = dlcgroup.GetFileWithName(this.dlcName);
					if (fileWithName != null)
					{
						array = fileWithName.GetContents();
					}
					else
					{
						UnityEngine.Debug.LogError(string.Format("No file with name {0} in group {1}", this.dlcName, this.dlcGroup));
					}
				}
			}
			else
			{
				UnityEngine.Debug.LogWarning("No DLC manager");
			}
		}
		if (array == null)
		{
			TextAsset textAsset = Resources.Load(this.jpegFileResourcePath) as TextAsset;
			array = textAsset.bytes;
			Resources.UnloadAsset(textAsset);
		}
		float pixelsPerUnit = 1f;
		this._texture = null;
		if (this._texture == null)
		{
			this._texture = new Texture2D(0, 0, TextureFormat.RGB24, false);
			this._texture.wrapMode = TextureWrapMode.Clamp;
			this._texture.LoadImage(array);
			this._texture.Apply(false, true);
		}
		this._sprite = Sprite.Create(this._texture, new Rect(0f, 0f, (float)this._texture.width, (float)this._texture.height), new Vector2(0f, 1f), pixelsPerUnit);
		if (this.spriteRenderer != null)
		{
			this.spriteRenderer.sprite = this._sprite;
		}
		else
		{
			UnityEngine.Debug.LogError(string.Format("JPEGLoading at {0} should have SpriteRenderer or UI2DSprite", base.name));
		}
	}

	protected void OnDestroy()
	{
		UnityEngine.Object.DestroyImmediate(this._sprite);
		UnityEngine.Object.DestroyImmediate(this._texture);
	}

	protected static int MemorySize
	{
		get
		{
			if (JPEGLoader._memorySize < 0)
			{
				JPEGLoader._memorySize = SystemInfo.graphicsMemorySize + SystemInfo.systemMemorySize;
			}
			return JPEGLoader._memorySize;
		}
	}

	protected static int MaxTextureSize
	{
		get
		{
			if (JPEGLoader._maxTextureSize < 0)
			{
				JPEGLoader._maxTextureSize = SystemInfo.maxTextureSize;
			}
			return JPEGLoader._maxTextureSize;
		}
	}

	[SerializeField]
	protected string jpegFileResourcePath;

	[SerializeField]
	[SelfReference(true)]
	protected SpriteRenderer spriteRenderer;

	[SerializeField]
	protected bool forceHighQuality;

	[SerializeField]
	protected string dlcGroup;

	[SerializeField]
	protected string dlcName;

	protected Texture2D _texture;

	protected Sprite _sprite;

	protected static int _memorySize = -1;

	protected static int _maxTextureSize = -1;
}