public AssetsFile(string fileName, EndianStream fileStream)
{
//if (memFile != null) { Stream = new EndianStream(memFile, endianType); }
//else { Stream = new EndianStream(File.OpenRead(fileName), endianType); }
a_Stream = fileStream;
filePath = fileName;
int tableSize = a_Stream.ReadInt32();
int dataEnd = a_Stream.ReadInt32();
fileGen = a_Stream.ReadInt32();
int dataOffset = a_Stream.ReadInt32();
sharedAssetsList[0].fileName = Path.GetFileName(fileName); //reference itself because sharedFileIDs start from 1
switch (fileGen)
{
case 6: //2.5.0 - 2.6.1
{
a_Stream.Position = (dataEnd - tableSize);
a_Stream.Position += 1;
break;
}
case 7: //3.0.0 beta
{
a_Stream.Position = (dataEnd - tableSize);
a_Stream.Position += 1;
m_Version = a_Stream.ReadStringToNull();
break;
}
case 8: //3.0.0 - 3.4.2
{
a_Stream.Position = (dataEnd - tableSize);
a_Stream.Position += 1;
m_Version = a_Stream.ReadStringToNull();
platform = a_Stream.ReadInt32();
break;
}
case 9: //3.5.0 - 4.6.x
{
a_Stream.Position += 4; //azero
m_Version = a_Stream.ReadStringToNull();
platform = a_Stream.ReadInt32();
break;
}
case 14: //5.0.0 beta and final
case 15: //5.0.1 and up
{
a_Stream.Position += 4; //azero
m_Version = a_Stream.ReadStringToNull();
platform = a_Stream.ReadInt32();
baseDefinitions = a_Stream.ReadBoolean();
break;
}
default:
{
//MessageBox.Show("Unsupported version!", "AssetStudio Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (platform > 255 || platform < 0)
{
byte[] b32 = BitConverter.GetBytes(platform);
Array.Reverse(b32);
platform = BitConverter.ToInt32(b32, 0);
//endianType = EndianType.LittleEndian;
a_Stream.endian = EndianType.LittleEndian;
}
switch (platform)
{
case -2: platformStr = "Unt Package"; break;
case 4: platformStr = "OSX"; break;
case 5: platformStr = "PC"; break;
case 6: platformStr = "Web"; break;
case 7: platformStr = "Web streamed"; break;
case 9: platformStr = "iOS"; break;
case 10: platformStr = "PS3"; break;
case 11: platformStr = "Xbox 360"; break;
case 13: platformStr = "Android"; break;
case 16: platformStr = "Google NaCl"; break;
case 21: platformStr = "WP8"; break;
case 25: platformStr = "Linux"; break;
}
int baseCount = a_Stream.ReadInt32();
for (int i = 0; i < baseCount; i++)
{
if (fileGen < 14)
{
int classID = a_Stream.ReadInt32();
string baseType = a_Stream.ReadStringToNull();
string baseName = a_Stream.ReadStringToNull();
a_Stream.Position += 20;
int memberCount = a_Stream.ReadInt32();
StringBuilder cb = new StringBuilder();
for (int m = 0; m < memberCount; m++)
{
readBase(cb, 1);
}
var aClass = new ClassStrStruct()
{
ID = classID, Text = (baseType + " " + baseName), members = cb.ToString()
};
aClass.SubItems.Add(classID.ToString());
ClassStructures.Add(classID, aClass);
}
else
{
readBase5();
}
}
if (fileGen >= 7 && fileGen < 14)
{
a_Stream.Position += 4;
} //azero
int assetCount = a_Stream.ReadInt32();
#region asset preload table
string assetIDfmt = "D" + assetCount.ToString().Length.ToString(); //format for unique ID
for (int i = 0; i < assetCount; i++)
{
//each table entry is aligned individually, not the whole table
if (fileGen >= 14)
{
a_Stream.AlignStream(4);
}
AssetPreloadData asset = new AssetPreloadData();
if (fileGen < 14)
{
asset.m_PathID = a_Stream.ReadInt32();
}
else
{
asset.m_PathID = a_Stream.ReadInt64();
}
asset.Offset = a_Stream.ReadInt32();
asset.Offset += dataOffset;
asset.Size = a_Stream.ReadInt32();
asset.Type1 = a_Stream.ReadInt32();
asset.Type2 = a_Stream.ReadUInt16();
a_Stream.Position += 2;
if (fileGen >= 15)
{
byte unknownByte = a_Stream.ReadByte();
//this is a single byte, not an int32
//the next entry is aligned after this
//but not the last!
if (unknownByte != 0)
{
bool investigate = true;
}
}
if (UnityClassID.Names[asset.Type2] != null)
{
asset.TypeString = UnityClassID.Names[asset.Type2];
}
asset.uniqueID = i.ToString(assetIDfmt);
asset.exportSize = asset.Size;
asset.sourceFile = this;
preloadTable.Add(asset.m_PathID, asset);
#region read BuildSettings to get version for 2.x files
if (asset.Type2 == 141 && fileGen == 6)
{
long nextAsset = a_Stream.Position;
BuildSettings BSettings = new BuildSettings(asset);
m_Version = BSettings.m_Version;
a_Stream.Position = nextAsset;
}
#endregion
}
#endregion
buildType = m_Version.Split(new string[] { ".", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }, StringSplitOptions.RemoveEmptyEntries);
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));
version = Array.ConvertAll(strver, int.Parse);
if (fileGen >= 14)
{
//this looks like a list of assets that need to be preloaded in memory before anytihng else
int someCount = a_Stream.ReadInt32();
for (int i = 0; i < someCount; i++)
{
int num1 = a_Stream.ReadInt32();
a_Stream.AlignStream(4);
long m_PathID = a_Stream.ReadInt64();
}
}
int sharedFileCount = a_Stream.ReadInt32();
for (int i = 0; i < sharedFileCount; i++)
{
UnityShared shared = new UnityShared();
shared.aName = a_Stream.ReadStringToNull();
a_Stream.Position += 20;
string sharedFileName = a_Stream.ReadStringToNull(); //relative path
shared.fileName = sharedFileName.Replace("/", "\\");
sharedAssetsList.Add(shared);
}
}
private void readBase5()
{
int classID = a_Stream.ReadInt32();
if (classID < 0)
{
a_Stream.Position += 16;
}
a_Stream.Position += 16;
if (baseDefinitions)
{
#region cmmon string array
string[] baseStrings = new string[1007];
baseStrings[0] = "AABB";
baseStrings[5] = "AnimationClip";
baseStrings[19] = "AnimationCurve";
baseStrings[49] = "Array";
baseStrings[55] = "Base";
baseStrings[60] = "BitField";
baseStrings[76] = "bool";
baseStrings[81] = "char";
baseStrings[86] = "ColorRGBA";
baseStrings[106] = "data";
baseStrings[138] = "FastPropertyName";
baseStrings[155] = "first";
baseStrings[161] = "float";
baseStrings[167] = "Font";
baseStrings[172] = "GameObject";
baseStrings[183] = "Generic Mono";
baseStrings[208] = "GUID";
baseStrings[222] = "int";
baseStrings[241] = "map";
baseStrings[245] = "Matrix4x4f";
baseStrings[262] = "NavMeshSettings";
baseStrings[263] = "MonoBehaviour";
baseStrings[277] = "MonoScript";
baseStrings[299] = "m_Curve";
baseStrings[349] = "m_Enabled";
baseStrings[374] = "m_GameObject";
baseStrings[427] = "m_Name";
baseStrings[490] = "m_Script";
baseStrings[519] = "m_Type";
baseStrings[526] = "m_Version";
baseStrings[543] = "pair";
baseStrings[548] = "PPtr<Component>";
baseStrings[564] = "PPtr<GameObject>";
baseStrings[581] = "PPtr<Material>";
baseStrings[616] = "PPtr<MonoScript>";
baseStrings[633] = "PPtr<Object>";
baseStrings[688] = "PPtr<Texture>";
baseStrings[702] = "PPtr<Texture2D>";
baseStrings[718] = "PPtr<Transform>";
baseStrings[741] = "Quaternionf";
baseStrings[753] = "Rectf";
baseStrings[778] = "second";
baseStrings[795] = "size";
baseStrings[800] = "SInt16";
baseStrings[814] = "int64";
baseStrings[840] = "string";
baseStrings[874] = "Texture2D";
baseStrings[884] = "Transform";
baseStrings[894] = "TypelessData";
baseStrings[907] = "UInt16";
baseStrings[928] = "UInt8";
baseStrings[934] = "unsigned int";
baseStrings[981] = "vector";
baseStrings[988] = "Vector2f";
baseStrings[997] = "Vector3f";
baseStrings[1006] = "Vector4f";
#endregion
int varCount = a_Stream.ReadInt32();
int stringSize = a_Stream.ReadInt32();
a_Stream.Position += varCount * 24;
string varStrings = Encoding.UTF8.GetString(a_Stream.ReadBytes(stringSize));
string className = "";
StringBuilder classVarStr = new StringBuilder();
//build Class Structures
a_Stream.Position -= varCount * 24 + stringSize;
for (int i = 0; i < varCount; i++)
{
ushort num0 = a_Stream.ReadUInt16();
byte level = a_Stream.ReadByte();
bool isArray = a_Stream.ReadBoolean();
ushort varTypeIndex = a_Stream.ReadUInt16();
ushort test = a_Stream.ReadUInt16();
string varTypeStr;
if (test == 0) //varType is an offset in the string block
{
varTypeStr = varStrings.Substring(varTypeIndex, varStrings.IndexOf('\0', varTypeIndex) - varTypeIndex);
} //substringToNull
else //varType is an index in an internal strig array
{
varTypeStr = baseStrings[varTypeIndex] != null ? baseStrings[varTypeIndex] : varTypeIndex.ToString();
}
ushort varNameIndex = a_Stream.ReadUInt16();
test = a_Stream.ReadUInt16();
string varNameStr;
if (test == 0)
{
varNameStr = varStrings.Substring(varNameIndex, varStrings.IndexOf('\0', varNameIndex) - varNameIndex);
}
else
{
varNameStr = baseStrings[varNameIndex] != null ? baseStrings[varNameIndex] : varNameIndex.ToString();
}
int size = a_Stream.ReadInt32();
int index = a_Stream.ReadInt32();
int num1 = a_Stream.ReadInt32();
if (index == 0)
{
className = varTypeStr + " " + varNameStr;
}
else
{
classVarStr.AppendFormat("{0}{1} {2} {3}\r\n", (new string('\t', level)), varTypeStr, varNameStr, size);
}
//for (int t = 0; t < level; t++) { Debug.Write("\t"); }
//Debug.WriteLine(varTypeStr + " " + varNameStr + " " + size);
}
a_Stream.Position += stringSize;
var aClass = new ClassStrStruct()
{
ID = classID, Text = className, members = classVarStr.ToString()
};
aClass.SubItems.Add(classID.ToString());
ClassStructures.Add(classID, aClass);
}
}