SpriteData.cs

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using System;
using System.IO;
using System.Text;
using IniParser;
using IniParser.Model;
using UnityEngine;
 
public class SpriteData
{
    public string id;
 
    public string path;
 
    public Texture2D tex;
 
    public Sprite[] sprites;
 
    public DateTime dateTex;
 
    public DateTime dateIni;
 
    public DateTime datePref;
 
    public int frame = 1;
 
    public int scale = 50;
 
    public float time = 0.2f;
 
    public SourcePref pref;
 
    public void Init()
    {
        try
        {
            id = Path.GetFileNameWithoutExtension(path);
            LoadAnimationIni();
            LoadPref();
        }
        catch (Exception exception)
        {
            Debug.LogException(exception);
            Debug.LogError("#sprite failed to init '" + id + "' at " + path);
        }
    }
 
    public void LoadPref()
    {
        pref = null;
        if (File.Exists(path + ".pref"))
        {
            pref = SourcePref.ReadFromIni(path + ".pref");
        }
    }
 
    public void LoadAnimationIni()
    {
        if (!File.Exists(path + ".ini"))
        {
            frame = 1;
            scale = 50;
            time = 0.2f;
            return;
        }
        try
        {
            IniData iniData = new FileIniDataParser().ReadFile(path + ".ini", Encoding.UTF8);
            frame = Mathf.Max(1, (!int.TryParse(iniData.GetKey("frame"), out var result)) ? 1 : result);
            scale = (int.TryParse(iniData.GetKey("scale"), out var result2) ? result2 : 50);
            time = (float.TryParse(iniData.GetKey("time"), out var result3) ? Mathf.Max(0.016f, result3) : 0.2f);
        }
        catch (Exception exception)
        {
            Debug.LogException(exception);
        }
    }
 
    public void LoadSprites()
    {
        Texture2D texture2D = IO.LoadPNG(path + ".png");
        Debug.Log(texture2D.width + "/" + texture2D.height + "/" + path);
        if ((bool)tex)
        {
            if (texture2D.width != tex.width || texture2D.height != tex.height)
            {
                tex.Reinitialize(texture2D.width, texture2D.height);
            }
            tex.SetPixels32(texture2D.GetPixels32());
            tex.Apply();
            UnityEngine.Object.Destroy(texture2D);
        }
        else
        {
            tex = texture2D;
        }
        int num = tex.width / frame;
        int height = tex.height;
        if (sprites == null || sprites.Length != frame)
        {
            sprites = new Sprite[frame];
        }
        Vector2 pivot = new Vector2(0.5f, 0.5f);
        for (int i = 0; i < frame; i++)
        {
            sprites[i] = Sprite.Create(tex, new Rect(i * num, 0f, num, height), pivot, 100f, 0u, SpriteMeshType.FullRect);
        }
    }
 
    public Sprite[] GetSprites()
    {
        if (sprites == null)
        {
            Load();
        }
        return sprites;
    }
 
    public Sprite GetSprite()
    {
        if (sprites == null)
        {
            Load();
        }
        return sprites.TryGet(0, returnNull: true);
    }
 
    public void Validate()
    {
        if (IsDirty(".png", ref dateTex) || IsDirty(".ini", ref dateIni) || IsDirty(".pref", ref datePref))
        {
            Load();
        }
        bool IsDirty(string p, ref DateTime lastChecked)
        {
            string text = path + p;
            if (!File.Exists(text))
            {
                return false;
            }
            DateTime lastWriteTimeUtc = File.GetLastWriteTimeUtc(text);
            if (lastWriteTimeUtc == lastChecked)
            {
                return false;
            }
            lastChecked = lastWriteTimeUtc;
            return true;
        }
    }
 
    public void Load()
    {
        LoadAnimationIni();
        LoadPref();
        LoadSprites();
    }
}