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80 lines
2.1 KiB
80 lines
2.1 KiB
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Text;
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using UnityEngine;
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public class Images {
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private List<byte[]> images = new List<byte[]>();
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private Dictionary<string, int> refs = new Dictionary<string, int>();
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public Images(Stream s) {
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ExtractTar(Decompress(s));
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}
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private Stream Decompress(Stream s) {
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return new Zstandard.Net.ZstandardStream(s, CompressionMode.Decompress);
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}
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private void ExtractTar(Stream maybeSeekableStream) {
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Stream stream;
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if (maybeSeekableStream.CanSeek) {
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stream = maybeSeekableStream;
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}else{
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stream = new MemoryStream();
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maybeSeekableStream.CopyTo(stream);
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stream.Seek(0, SeekOrigin.Begin);
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}
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var buffer = new byte[100];
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while (true) {
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stream.Read(buffer, 0, 100);
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var name = Encoding.ASCII.GetString(buffer).Trim('\0');
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Debug.Log("Unpacked image: " + name);
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if (String.IsNullOrWhiteSpace(name))
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break;
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stream.Seek(24, SeekOrigin.Current);
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stream.Read(buffer, 0, 12);
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var size = Convert.ToInt64(Encoding.ASCII.GetString(buffer, 0, 12).Trim().Trim('\0'), 8);
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stream.Seek(376L, SeekOrigin.Current);
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var buf = new byte[size];
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stream.Read(buf, 0, buf.Length);
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if (name.EndsWith(".ref.txt")) {
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string r = Encoding.UTF8.GetString(buf).Trim('\0');
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if (!refs.ContainsKey(name.Replace(".ref.txt", ".png")))
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refs.Add(name.Replace(".ref.txt", ".png"), refs[r]);
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} else if (!refs.ContainsKey(name)){
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int i = images.Count;
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images.Add(buf);
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refs.Add(name, i);
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}else{
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// TODO Check 0xUNO
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break;
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}
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var pos = stream.Position;
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var offset = 512 - (pos % 512);
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if (offset == 512)
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offset = 0;
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stream.Seek(offset, SeekOrigin.Current);
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}
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}
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public byte[] GetImageFromPath(string path) {
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// Debug.Log("Getting image: " + path);
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return images[refs[path]];
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}
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public Game.Image GetImage(string cardKind) {
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return new Game.Image() {
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Kind = cardKind,
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Face = Google.Protobuf.ByteString.CopyFrom(GetImageFromPath(cardKind + "/face.png")),
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Back = Google.Protobuf.ByteString.CopyFrom(GetImageFromPath(cardKind + "/back.png"))
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};
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}
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}
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