369 lines
16 KiB
C#
369 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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//using System.Diagnostics; //remove this later
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namespace Unity_Studio
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{
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public class AssetsFile
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{
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public EndianStream a_Stream;
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public string filePath;
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public int fileGen;
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public string m_Version = "2.5.0f5";
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public int[] version = new int[4] { 0, 0, 0, 0 };
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public string[] buildType;
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public int platform = 100663296;
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//public EndianType endianType = EndianType.BigEndian;
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//public List<AssetPreloadData> preloadTable = new List<AssetPreloadData>();
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public Dictionary<long, AssetPreloadData> preloadTable = new Dictionary<long, AssetPreloadData>();
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public Dictionary<long, GameObject> GameObjectList = new Dictionary<long, GameObject>();
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public Dictionary<long, Transform> TransformList = new Dictionary<long, Transform>();
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public List<AssetPreloadData> exportableAssets = new List<AssetPreloadData>();
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public List<UnityShared> sharedAssetsList = new List<UnityShared>() {new UnityShared()};
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private ClassIDReference UnityClassID = new ClassIDReference();
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public SortedDictionary<int, ClassStrStruct> ClassStructures = new SortedDictionary<int, ClassStrStruct>();
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private bool baseDefinitions = false;
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public class UnityShared
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{
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public int Index = -1; //actual index in main list
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public string aName = "";
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public string fileName = "";
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}
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public AssetsFile(string fileName, EndianStream fileStream)
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{
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//if (memFile != null) { Stream = new EndianStream(memFile, endianType); }
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//else { Stream = new EndianStream(File.OpenRead(fileName), endianType); }
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a_Stream = fileStream;
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filePath = fileName;
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int tableSize = a_Stream.ReadInt32();
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int dataEnd = a_Stream.ReadInt32();
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fileGen = a_Stream.ReadInt32();
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int dataOffset = a_Stream.ReadInt32();
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sharedAssetsList[0].fileName = Path.GetFileName(fileName); //reference itself because sharedFileIDs start from 1
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switch (fileGen)
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{
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case 6:
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{
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a_Stream.Position = (dataEnd - tableSize);
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a_Stream.Position += 1;
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break;
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}
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case 7://Unity 3 beta
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{
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a_Stream.Position = (dataEnd - tableSize);
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a_Stream.Position += 1;
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m_Version = a_Stream.ReadStringToNull();
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break;
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}
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case 8:
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{
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a_Stream.Position = (dataEnd - tableSize);
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a_Stream.Position += 1;
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m_Version = a_Stream.ReadStringToNull();
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platform = a_Stream.ReadInt32();
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break;
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}
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case 9:
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{
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a_Stream.Position += 4;//azero
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m_Version = a_Stream.ReadStringToNull();
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platform = a_Stream.ReadInt32();
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break;
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}
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case 14:
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case 15://not fully tested!
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{
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a_Stream.Position += 4;//azero
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m_Version = a_Stream.ReadStringToNull();
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platform = a_Stream.ReadInt32();
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baseDefinitions = a_Stream.ReadBoolean();
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break;
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}
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default:
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{
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//MessageBox.Show("Unsupported Unity version!", "Unity Studio Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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return;
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}
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}
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if (platform > 255 || platform < 0)
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{
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byte[] b32 = BitConverter.GetBytes(platform);
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Array.Reverse(b32);
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platform = BitConverter.ToInt32(b32, 0);
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//endianType = EndianType.LittleEndian;
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a_Stream.endian = EndianType.LittleEndian;
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}
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/*Platform list:
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-2: unitypackage
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4: OSX
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5: PC
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6: Web
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7: Web_streamed
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9: iOS
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10: PS3(big)
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11: Xbox360(big)
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13: Android
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16: Google_NaCl
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21: WP8
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25: Linux
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*/
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int baseCount = a_Stream.ReadInt32();
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for (int i = 0; i < baseCount; i++)
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{
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if (fileGen < 14)
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{
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int classID = a_Stream.ReadInt32();
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string baseType = a_Stream.ReadStringToNull();
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string baseName = a_Stream.ReadStringToNull();
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a_Stream.Position += 20;
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int memberCount = a_Stream.ReadInt32();
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StringBuilder cb = new StringBuilder();
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for (int m = 0; m < memberCount; m++) { readBase(cb, 1); }
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var aClass = new ClassStrStruct() { ID = classID, Text = (baseType + " " + baseName), members = cb.ToString() };
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aClass.SubItems.Add(classID.ToString());
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ClassStructures.Add(classID, aClass);
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}
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else { readBase5(); }
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}
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if (fileGen >= 7 && fileGen < 14) {a_Stream.Position += 4;}//azero
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int assetCount = a_Stream.ReadInt32();
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#region asset preload table
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string assetIDfmt = "D" + assetCount.ToString().Length.ToString(); //format for unique ID
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for (int i = 0; i < assetCount; i++)
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{
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//each table entry is aligned individually, not the whole table
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if (fileGen >= 14) { a_Stream.AlignStream(4); }
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AssetPreloadData asset = new AssetPreloadData();
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if (fileGen < 14) { asset.m_PathID = a_Stream.ReadInt32(); }
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else { asset.m_PathID = a_Stream.ReadInt64(); }
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asset.Offset = a_Stream.ReadInt32();
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asset.Offset += dataOffset;
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asset.Size = a_Stream.ReadInt32();
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asset.Type1 = a_Stream.ReadInt32();
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asset.Type2 = a_Stream.ReadUInt16();
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a_Stream.Position += 2;
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if (fileGen >= 15)
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{
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byte unknownByte = a_Stream.ReadByte();
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//this is a single byte, not an int32
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//the next entry is aligned after this
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//but not the last!
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if (unknownByte != 0)
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{
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bool investigate = true;
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}
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}
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asset.TypeString = asset.Type2.ToString();
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if (UnityClassID.Names[asset.Type2] != null)
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{
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asset.TypeString = UnityClassID.Names[asset.Type2];
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}
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asset.uniqueID = i.ToString(assetIDfmt);
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asset.exportSize = asset.Size;
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asset.sourceFile = this;
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preloadTable.Add(asset.m_PathID, asset);
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#region read BuildSettings to get version for unity 2.x files
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if (asset.Type2 == 141 && fileGen == 6)
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{
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long nextAsset = a_Stream.Position;
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BuildSettings BSettings = new BuildSettings(asset);
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m_Version = BSettings.m_Version;
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a_Stream.Position = nextAsset;
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}
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#endregion
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}
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#endregion
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buildType = m_Version.Split(new string[] { ".", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }, StringSplitOptions.RemoveEmptyEntries);
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string[] strver = (m_Version.Split(new string[] { ".", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "\n" }, StringSplitOptions.RemoveEmptyEntries));
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version = Array.ConvertAll(strver, int.Parse);
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if (fileGen >= 14)
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{
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//this looks like a list of assets that need to be preloaded in memory before anytihng else
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int someCount = a_Stream.ReadInt32();
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for (int i = 0; i < someCount; i++)
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{
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int num1 = a_Stream.ReadInt32();
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a_Stream.AlignStream(4);
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long m_PathID = a_Stream.ReadInt64();
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}
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}
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int sharedFileCount = a_Stream.ReadInt32();
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for (int i = 0; i < sharedFileCount; i++)
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{
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UnityShared shared = new UnityShared();
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shared.aName = a_Stream.ReadStringToNull();
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a_Stream.Position += 20;
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string sharedFileName = a_Stream.ReadStringToNull(); //relative path
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shared.fileName = sharedFileName.Replace("/", "\\");
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sharedAssetsList.Add(shared);
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}
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}
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private void readBase(StringBuilder cb, int level)
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{
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string varType = a_Stream.ReadStringToNull();
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string varName = a_Stream.ReadStringToNull();
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//a_Stream.Position += 20;
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int size = a_Stream.ReadInt32();
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int index = a_Stream.ReadInt32();
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int isArray = a_Stream.ReadInt32();
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int num0 = a_Stream.ReadInt32();
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int num1 = a_Stream.ReadInt16();
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int num2 = a_Stream.ReadInt16();
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int childrenCount = a_Stream.ReadInt32();
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//Debug.WriteLine(baseFormat + " " + baseName + " " + childrenCount);
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cb.AppendFormat("{0}{1} {2} {3}\r\n", (new string('\t', level)), varType, varName, size);
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for (int i = 0; i < childrenCount; i++) { readBase(cb, level + 1); }
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}
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private void readBase5()
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{
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int classID = a_Stream.ReadInt32();
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if (classID < 0) { a_Stream.Position += 16; }
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a_Stream.Position += 16;
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if (baseDefinitions)
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{
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#region cmmon string array
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string[] baseStrings = new string[1007];
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baseStrings[0] = "AABB";
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baseStrings[5] = "AnimationClip";
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baseStrings[19] = "AnimationCurve";
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baseStrings[49] = "Array";
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baseStrings[55] = "Base";
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baseStrings[60] = "BitField";
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baseStrings[76] = "bool";
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baseStrings[81] = "char";
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baseStrings[86] = "ColorRGBA";
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baseStrings[106] = "data";
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baseStrings[138] = "FastPropertyName";
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baseStrings[155] = "first";
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baseStrings[161] = "float";
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baseStrings[167] = "Font";
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baseStrings[172] = "GameObject";
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baseStrings[183] = "Generic Mono";
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baseStrings[208] = "GUID";
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baseStrings[222] = "int";
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baseStrings[241] = "map";
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baseStrings[245] = "Matrix4x4f";
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baseStrings[262] = "NavMeshSettings";
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baseStrings[263] = "MonoBehaviour";
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baseStrings[277] = "MonoScript";
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baseStrings[299] = "m_Curve";
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baseStrings[349] = "m_Enabled";
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baseStrings[374] = "m_GameObject";
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baseStrings[427] = "m_Name";
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baseStrings[490] = "m_Script";
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baseStrings[519] = "m_Type";
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baseStrings[526] = "m_Version";
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baseStrings[543] = "pair";
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baseStrings[548] = "PPtr<Component>";
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baseStrings[564] = "PPtr<GameObject>";
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baseStrings[581] = "PPtr<Material>";
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baseStrings[616] = "PPtr<MonoScript>";
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baseStrings[633] = "PPtr<Object>";
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baseStrings[688] = "PPtr<Texture>";
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baseStrings[702] = "PPtr<Texture2D>";
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baseStrings[718] = "PPtr<Transform>";
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baseStrings[741] = "Quaternionf";
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baseStrings[753] = "Rectf";
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baseStrings[778] = "second";
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baseStrings[795] = "size";
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baseStrings[800] = "SInt16";
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baseStrings[814] = "int64";
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baseStrings[840] = "string";
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baseStrings[874] = "Texture2D";
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baseStrings[884] = "Transform";
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baseStrings[894] = "TypelessData";
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baseStrings[907] = "UInt16";
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baseStrings[928] = "UInt8";
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baseStrings[934] = "unsigned int";
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baseStrings[981] = "vector";
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baseStrings[988] = "Vector2f";
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baseStrings[997] = "Vector3f";
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baseStrings[1006] = "Vector4f";
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#endregion
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int varCount = a_Stream.ReadInt32();
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int stringSize = a_Stream.ReadInt32();
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a_Stream.Position += varCount * 24;
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string varStrings = Encoding.UTF8.GetString(a_Stream.ReadBytes(stringSize));
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string className = "";
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StringBuilder classVarStr = new StringBuilder();
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//build Class Structures
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a_Stream.Position -= varCount * 24 + stringSize;
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for (int i = 0; i < varCount; i++)
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{
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ushort num0 = a_Stream.ReadUInt16();
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byte level = a_Stream.ReadByte();
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bool isArray = a_Stream.ReadBoolean();
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ushort varTypeIndex = a_Stream.ReadUInt16();
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ushort test = a_Stream.ReadUInt16();
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string varTypeStr;
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if (test == 0) //varType is an offset in the string block
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{ varTypeStr = varStrings.Substring(varTypeIndex, varStrings.IndexOf('\0', varTypeIndex) - varTypeIndex); }//substringToNull
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else //varType is an index in an internal strig array
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{ varTypeStr = baseStrings[varTypeIndex] != null ? baseStrings[varTypeIndex] : varTypeIndex.ToString(); }
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ushort varNameIndex = a_Stream.ReadUInt16();
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test = a_Stream.ReadUInt16();
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string varNameStr;
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if (test == 0) { varNameStr = varStrings.Substring(varNameIndex, varStrings.IndexOf('\0', varNameIndex) - varNameIndex); }
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else { varNameStr = baseStrings[varNameIndex] != null ? baseStrings[varNameIndex] : varNameIndex.ToString(); }
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int size = a_Stream.ReadInt32();
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int index = a_Stream.ReadInt32();
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int num1 = a_Stream.ReadInt32();
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if (index == 0) { className = varTypeStr + " " + varNameStr; }
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else { classVarStr.AppendFormat("{0}{1} {2} {3}\r\n", (new string('\t', level)), varTypeStr, varNameStr, size); }
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//for (int t = 0; t < level; t++) { Debug.Write("\t"); }
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//Debug.WriteLine(varTypeStr + " " + varNameStr + " " + size);
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}
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a_Stream.Position += stringSize;
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var aClass = new ClassStrStruct() { ID = classID, Text = className, members = classVarStr.ToString() };
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aClass.SubItems.Add(classID.ToString());
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ClassStructures.Add(classID, aClass);
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}
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}
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}
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}
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