public GameObject(AssetPreloadData preloadData)
{
if (preloadData == null)
{
AssetsFile sourceFile = preloadData.sourceFile;
EndianStream stream = preloadData.sourceFile.a_Stream;
stream.Position = preloadData.Offset;
this.uniqueID = preloadData.uniqueID;
if (sourceFile.platform == -2)
{
uint num3 = stream.ReadUInt32();
PPtr ptr = sourceFile.ReadPPtr();
PPtr ptr2 = sourceFile.ReadPPtr();
}
int num = stream.ReadInt32();
for (int i = 0; i < num; i++)
{
switch (stream.ReadInt32())
{
case 4:
this.m_Transform = sourceFile.ReadPPtr();
break;
case 0x17:
this.m_Renderer = sourceFile.ReadPPtr();
break;
case 0x21:
this.m_MeshFilter = sourceFile.ReadPPtr();
break;
case 0x89:
this.m_SkinnedMeshRenderer = sourceFile.ReadPPtr();
break;
default:
{
PPtr ptr3 = sourceFile.ReadPPtr();
break;
}
}
}
this.m_Layer = stream.ReadInt32();
int length = stream.ReadInt32();
this.m_Name = stream.ReadAlignedString(length);
if (this.m_Name == "")
{
this.m_Name = "GameObject #" + this.uniqueID;
}
this.m_Tag = stream.ReadUInt16();
this.m_IsActive = stream.ReadBoolean();
this.Text = this.m_Name;
this.Name = this.uniqueID;
}
}
public TextAsset(AssetPreloadData preloadData, bool readSwitch)
{
AssetsFile sourceFile = preloadData.sourceFile;
EndianStream stream = preloadData.sourceFile.a_Stream;
stream.Position = preloadData.Offset;
preloadData.extension = ".txt";
if (sourceFile.platform == -2)
{
uint num2 = stream.ReadUInt32();
PPtr ptr = sourceFile.ReadPPtr();
PPtr ptr2 = sourceFile.ReadPPtr();
}
this.m_Name = stream.ReadAlignedString(stream.ReadInt32());
if (this.m_Name != "")
{
preloadData.Name = this.m_Name;
}
else
{
preloadData.Name = preloadData.TypeString + " #" + preloadData.uniqueID;
}
int count = stream.ReadInt32();
if (readSwitch)
{
this.m_Script = new byte[count];
stream.Read(this.m_Script, 0, count);
if (this.m_Script[0] == 0x5d)
{
this.m_Script = SevenZipHelper.Decompress(this.m_Script);
}
if ((this.m_Script[0] == 60) || ((((this.m_Script[0] == 0xef) && (this.m_Script[1] == 0xbb)) && (this.m_Script[2] == 0xbf)) && (this.m_Script[3] == 60)))
{
preloadData.extension = ".xml";
}
}
else
{
if (stream.ReadByte() == 0x5d)
{
stream.Position += 4L;
preloadData.exportSize = stream.ReadInt32();
stream.Position -= 8L;
}
else
{
preloadData.exportSize = count;
}
stream.Position += count - 1;
}
stream.AlignStream(4);
this.m_PathName = stream.ReadAlignedString(stream.ReadInt32());
}
public BundleFile(string fileName)
{
if (Path.GetExtension(fileName) == ".lz4")
{
byte[] filebuffer;
using (BinaryReader lz4Stream = new BinaryReader(File.OpenRead(fileName)))
{
int version = lz4Stream.ReadInt32();
int uncompressedSize = lz4Stream.ReadInt32();
int compressedSize = lz4Stream.ReadInt32();
int something = lz4Stream.ReadInt32(); //1
byte[] lz4buffer = new byte[compressedSize];
lz4Stream.Read(lz4buffer, 0, compressedSize);
using (var inputStream = new MemoryStream(lz4buffer))
{
var decoder = new Lz4DecoderStream(inputStream);
filebuffer = new byte[uncompressedSize]; //is this ok?
for (;;)
{
int nRead = decoder.Read(filebuffer, 0, uncompressedSize);
if (nRead == 0)
{
break;
}
}
}
}
using (var b_Stream = new EndianStream(new MemoryStream(filebuffer), EndianType.BigEndian))
{
readBundle(b_Stream);
}
}
else
{
using (var b_Stream = new EndianStream(File.OpenRead(fileName), EndianType.BigEndian))
{
readBundle(b_Stream);
}
}
}
public static PPtr ReadPPtr(this AssetsFile sourceFile)
{
PPtr ptr = new PPtr();
EndianStream stream = sourceFile.a_Stream;
int num = stream.ReadInt32();
if ((num >= 0) && (num < sourceFile.sharedAssetsList.Count))
{
ptr.m_FileID = sourceFile.sharedAssetsList[num].Index;
}
if (sourceFile.fileGen < 14)
{
ptr.m_PathID = stream.ReadInt32();
return(ptr);
}
ptr.m_PathID = stream.ReadInt64();
return(ptr);
}
public BundleFile(string fileName)
{
if (Path.GetExtension(fileName) == ".lz4")
{
byte[] filebuffer;
using (BinaryReader lz4Stream = new BinaryReader(File.OpenRead(fileName)))
{
int version = lz4Stream.ReadInt32();
int uncompressedSize = lz4Stream.ReadInt32();
int compressedSize = lz4Stream.ReadInt32();
int something = lz4Stream.ReadInt32(); //1
byte[] lz4buffer = new byte[compressedSize];
lz4Stream.Read(lz4buffer, 0, compressedSize);
using (var inputStream = new MemoryStream(lz4buffer))
{
var decoder = new Lz4DecoderStream(inputStream);
filebuffer = new byte[uncompressedSize]; //is this ok?
for (;;)
{
int nRead = decoder.Read(filebuffer, 0, uncompressedSize);
if (nRead == 0)
break;
}
}
}
using (var b_Stream = new EndianStream(new MemoryStream(filebuffer), EndianType.BigEndian))
{
readBundle(b_Stream);
}
}
else
{
using (var b_Stream = new EndianStream(File.OpenRead(fileName), EndianType.BigEndian))
{
readBundle(b_Stream);
}
}
}
private void getFiles(EndianStream f_Stream, int offset)
{
int fileCount = f_Stream.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
MemoryAssetsFile memFile = new MemoryAssetsFile();
memFile.fileName = f_Stream.ReadStringToNull();
int fileOffset = f_Stream.ReadInt32();
fileOffset += offset;
int fileSize = f_Stream.ReadInt32();
long nextFile = f_Stream.Position;
f_Stream.Position = fileOffset;
byte[] buffer = new byte[fileSize];
f_Stream.Read(buffer, 0, fileSize);
memFile.memStream = new MemoryStream(buffer);
MemoryAssetsFileList.Add(memFile);
f_Stream.Position = nextFile;
}
}
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
case 16: //5.5.0 and up
case 17: //5.5.0 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 Unity version!", "Unity Studio 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 = "Unity 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(i);
}
}
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();
}
if (fileGen > 15)
{
asset.Offset = a_Stream.ReadInt32();
int tmp = asset.Offset;
asset.Offset += dataOffset;
asset.Size = a_Stream.ReadInt32();
int classIndex = a_Stream.ReadUInt16();
if (classIDLookup.ContainsKey(classIndex))
{
asset.Type2 = classIDLookup[classIndex];
}
}
else
{
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)
{
a_Stream.ReadByte();
//this is a single byte, not an int32
//the next entry is aligned after this
//but not the last!
}
}
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 unity 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 <string, int>(strver, int.Parse);
if (fileGen > 15)
{
a_Stream.Position += 2;
}
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++)
{
a_Stream.ReadInt32();
a_Stream.AlignStream(4);
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);
}
}
public BundleFile(string fileName)
{
if (Path.GetExtension(fileName) == ".lz4")
{
byte[] filebuffer;
using (BinaryReader lz4Stream = new BinaryReader(File.OpenRead(fileName)))
{
int version = lz4Stream.ReadInt32();
int uncompressedSize = lz4Stream.ReadInt32();
int compressedSize = lz4Stream.ReadInt32();
int something = lz4Stream.ReadInt32(); //1
byte[] lz4buffer = new byte[compressedSize];
lz4Stream.Read(lz4buffer, 0, compressedSize);
using (var inputStream = new MemoryStream(lz4buffer))
{
var decoder = new Lz4DecoderStream(inputStream);
filebuffer = new byte[uncompressedSize]; //is this ok?
for (;;)
{
int nRead = decoder.Read(filebuffer, 0, uncompressedSize);
if (nRead == 0)
break;
}
}
}
Stream = new EndianStream(new MemoryStream(filebuffer), EndianType.BigEndian);
}
else { Stream = new EndianStream(File.OpenRead(fileName), EndianType.BigEndian); }
long magicHeader = Stream.ReadInt64();
if (magicHeader == -361700864190383366 || magicHeader == 6155973689634940258 || magicHeader == 6155973689634611575)
{
int dummy = Stream.ReadInt32();
ver1 = Stream.ReadByte();
ver2 = Stream.ReadStringToNull();
ver3 = Stream.ReadStringToNull();
int lzmaSize = 0;
int fileSize = Stream.ReadInt32();
short dummy2 = Stream.ReadInt16();
int offset = Stream.ReadInt16();
int dummy3 = Stream.ReadInt32();
int lzmaChunks = Stream.ReadInt32();
for (int i = 0; i < lzmaChunks; i++)
{
lzmaSize = Stream.ReadInt32();
fileSize = Stream.ReadInt32();
}
Stream.Position = offset;
switch (magicHeader)
{
case -361700864190383366: //.bytes
case 6155973689634940258: //UnityWeb
{
byte[] lzmaBuffer = new byte[lzmaSize];
Stream.Read(lzmaBuffer, 0, lzmaSize);
Stream.Close();
Stream.Dispose();
Stream = new EndianStream(SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian);
offset = 0;
break;
}
case 6155973689634611575: //UnityRaw
{
break;
}
}
int fileCount = Stream.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
MemoryAssetsFile memFile = new MemoryAssetsFile();
memFile.fileName = Stream.ReadStringToNull();
int fileOffset = Stream.ReadInt32();
fileOffset += offset;
fileSize = Stream.ReadInt32();
long nextFile = Stream.Position;
Stream.Position = fileOffset;
byte[] buffer = new byte[fileSize];
Stream.Read(buffer, 0, fileSize);
memFile.memStream = new MemoryStream(buffer);
MemoryAssetsFileList.Add(memFile);
Stream.Position = nextFile;
}
}
Stream.Close();
}
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:
{
a_Stream.Position = (dataEnd - tableSize);
a_Stream.Position += 1;
break;
}
case 7://beta
{
a_Stream.Position = (dataEnd - tableSize);
a_Stream.Position += 1;
m_Version = a_Stream.ReadStringToNull();
break;
}
case 8:
{
a_Stream.Position = (dataEnd - tableSize);
a_Stream.Position += 1;
m_Version = a_Stream.ReadStringToNull();
platform = a_Stream.ReadInt32();
break;
}
case 9:
{
a_Stream.Position += 4;//azero
m_Version = a_Stream.ReadStringToNull();
platform = a_Stream.ReadInt32();
break;
}
case 14:
case 15://not fully tested!s
{
a_Stream.Position += 4;//azero
m_Version = a_Stream.ReadStringToNull();
platform = a_Stream.ReadInt32();
baseDefinitions = a_Stream.ReadBoolean();
break;
}
default:
{
//MessageBox.Show("Unsupported Unity version!", "Unity Studio 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;
}
/*Platform list:
-2: unitypackage
4: OSX
5: PC
6: Web
7: Web_streamed
9: iOS
10: PS3(big)
11: Xbox360(big)
13: Android
16: Google_NaCl
21: WP8
25: Linux
*/
int baseCount = a_Stream.ReadInt32();
for (int i = 0; i < baseCount; i++)
{
if (fileGen < 14)
{
int baseType = a_Stream.ReadInt32();
readBase();
}
else { readBase5(); }
}
if (fileGen >= 7 && fileGen < 14) {a_Stream.Position += 4;}//azero
int assetCount = a_Stream.ReadInt32();
if (fileGen >= 14) { a_Stream.AlignStream(4); }
string assetIDfmt = "D" + assetCount.ToString().Length.ToString(); //format for unique ID
for (int i = 0; i < assetCount; i++)
{
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) { int azero = a_Stream.ReadInt32(); }
asset.TypeString = asset.Type2.ToString();
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);
//this should be among the first nodes in mainData and it contains the version - useful for unity 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;
}
}
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)
{
int someCount = a_Stream.ReadInt32();
a_Stream.Position += someCount * 12;
}
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 readBundle(EndianStream b_Stream)
{
var signature = b_Stream.ReadStringToNull();
if (signature == "UnityWeb" || signature == "UnityRaw" || signature == "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA")
{
format = b_Stream.ReadInt32();
versionPlayer = b_Stream.ReadStringToNull();
versionEngine = b_Stream.ReadStringToNull();
if (format < 6)
{
int bundleSize = b_Stream.ReadInt32();
}
else if (format == 6)
{
ReadFormat6(b_Stream, true);
return;
}
short dummy2 = b_Stream.ReadInt16();
int offset = b_Stream.ReadInt16();
int dummy3 = b_Stream.ReadInt32();
int lzmaChunks = b_Stream.ReadInt32();
int lzmaSize = 0;
long streamSize = 0;
for (int i = 0; i < lzmaChunks; i++)
{
lzmaSize = b_Stream.ReadInt32();
streamSize = b_Stream.ReadInt32();
}
b_Stream.Position = offset;
switch (signature)
{
case "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA": //.bytes
case "UnityWeb":
{
byte[] lzmaBuffer = new byte[lzmaSize];
b_Stream.Read(lzmaBuffer, 0, lzmaSize);
using (var lzmaStream = new EndianStream(SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian))
{
getFiles(lzmaStream, 0);
}
break;
}
case "UnityRaw":
{
getFiles(b_Stream, offset);
break;
}
}
}
else if (signature == "UnityFS")
{
format = b_Stream.ReadInt32();
versionPlayer = b_Stream.ReadStringToNull();
versionEngine = b_Stream.ReadStringToNull();
if (format == 6)
{
ReadFormat6(b_Stream);
}
}
}
public AssetsFile(string fileName, EndianStream fileStream = null)
{
List <UnityShared> list1 = new List <UnityShared> {
new UnityShared()
};
this.sharedAssetsList = list1;
this.UnityClassID = new ClassIDReference();
this.baseDefinitions = false;
if (fileStream == null)
{
fileStream = new EndianStream(File.OpenRead(fileName), EndianType.BigEndian);
}
this.a_Stream = fileStream;
this.filePath = fileName;
int num = this.a_Stream.ReadInt32();
int num2 = this.a_Stream.ReadInt32();
this.fileGen = this.a_Stream.ReadInt32();
int num3 = this.a_Stream.ReadInt32();
this.sharedAssetsList[0].fileName = Path.GetFileName(fileName);
switch (this.fileGen)
{
case 6:
this.a_Stream.Position = num2 - num;
this.a_Stream.Position += 1L;
break;
case 7:
this.a_Stream.Position = num2 - num;
this.a_Stream.Position += 1L;
this.m_Version = this.a_Stream.ReadStringToNull();
break;
case 8:
this.a_Stream.Position = num2 - num;
this.a_Stream.Position += 1L;
this.m_Version = this.a_Stream.ReadStringToNull();
this.platform = this.a_Stream.ReadInt32();
break;
case 9:
this.a_Stream.Position += 4L;
this.m_Version = this.a_Stream.ReadStringToNull();
this.platform = this.a_Stream.ReadInt32();
break;
case 10:
case 11:
case 12:
case 13:
return;
case 14:
case 15:
this.a_Stream.Position += 4L;
this.m_Version = this.a_Stream.ReadStringToNull();
this.platform = this.a_Stream.ReadInt32();
this.baseDefinitions = this.a_Stream.ReadBoolean();
break;
default:
return;
}
if ((this.platform > 0xff) || (this.platform < 0))
{
byte[] bytes = BitConverter.GetBytes(this.platform);
Array.Reverse(bytes);
this.platform = BitConverter.ToInt32(bytes, 0);
this.a_Stream.endian = EndianType.LittleEndian;
}
switch (this.platform)
{
case -2:
this.platformStr = "Unity Package";
break;
case 4:
this.platformStr = "OSX";
break;
case 5:
this.platformStr = "PC";
break;
case 6:
this.platformStr = "Web";
break;
case 7:
this.platformStr = "Web streamed";
break;
case 9:
this.platformStr = "iOS";
break;
case 10:
this.platformStr = "PS3";
break;
case 11:
this.platformStr = "Xbox 360";
break;
case 13:
this.platformStr = "Android";
break;
case 0x10:
this.platformStr = "Google NaCl";
break;
case 0x15:
this.platformStr = "WP8";
break;
case 0x19:
this.platformStr = "Linux";
break;
}
int num4 = this.a_Stream.ReadInt32();
for (int i = 0; i < num4; i++)
{
if (this.fileGen < 14)
{
int num10 = this.a_Stream.ReadInt32();
string str2 = this.a_Stream.ReadStringToNull();
string str3 = this.a_Stream.ReadStringToNull();
this.a_Stream.Position += 20L;
int num11 = this.a_Stream.ReadInt32();
StringBuilder cb = new StringBuilder();
for (int m = 0; m < num11; m++)
{
this.readBase(cb, 1);
}
}
else
{
this.readBase5();
}
}
if ((this.fileGen >= 7) && (this.fileGen < 14))
{
this.a_Stream.Position += 4L;
}
int num5 = this.a_Stream.ReadInt32();
string format = "D" + num5.ToString().Length.ToString();
for (int j = 0; j < num5; j++)
{
if (this.fileGen >= 14)
{
this.a_Stream.AlignStream(4);
}
AssetPreloadData data = new AssetPreloadData();
if (this.fileGen < 14)
{
data.m_PathID = this.a_Stream.ReadInt32();
}
else
{
data.m_PathID = this.a_Stream.ReadInt64();
}
data.Offset = this.a_Stream.ReadInt32();
data.Offset += num3;
data.Size = this.a_Stream.ReadInt32();
data.Type1 = this.a_Stream.ReadInt32();
data.Type2 = this.a_Stream.ReadUInt16();
this.a_Stream.Position += 2L;
if ((this.fileGen >= 15) && (this.a_Stream.ReadByte() > 0))
{
}
if (this.UnityClassID.Names[data.Type2] == null)
{
data.TypeString = this.UnityClassID.Names[data.Type2];
}
data.uniqueID = j.ToString(format);
data.exportSize = data.Size;
data.sourceFile = this;
this.preloadTable.Add(data.m_PathID, data);
if ((data.Type2 == 0x8d) && (this.fileGen == 6))
{
long position = this.a_Stream.Position;
BuildSettings settings = new BuildSettings(data);
this.m_Version = settings.m_Version;
this.a_Stream.Position = position;
}
}
string[] separator = new string[] { ".", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };
this.buildType = this.m_Version.Split(separator, StringSplitOptions.RemoveEmptyEntries);
string[] textArray2 = 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"
};
string[] array = this.m_Version.Split(textArray2, StringSplitOptions.RemoveEmptyEntries);
this.version = Array.ConvertAll <string, int>(array, new Converter <string, int>(int.Parse));
if (this.fileGen >= 14)
{
int num17 = this.a_Stream.ReadInt32();
for (int n = 0; n < num17; n++)
{
int num19 = this.a_Stream.ReadInt32();
this.a_Stream.AlignStream(4);
long num20 = this.a_Stream.ReadInt64();
}
}
int num6 = this.a_Stream.ReadInt32();
for (int k = 0; k < num6; k++)
{
UnityShared item = new UnityShared {
aName = this.a_Stream.ReadStringToNull()
};
this.a_Stream.Position += 20L;
item.fileName = this.a_Stream.ReadStringToNull().Replace("/", @"\");
this.sharedAssetsList.Add(item);
}
}
private void readBundle(EndianStream b_Stream)
{
var header = b_Stream.ReadStringToNull();
if (header == "UnityWeb" || header == "UnityRaw" || header == "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA")
{
ver1 = b_Stream.ReadInt32();
ver2 = b_Stream.ReadStringToNull();
ver3 = b_Stream.ReadStringToNull();
if (ver1 < 6) { int bundleSize = b_Stream.ReadInt32(); }
else
{
long bundleSize = b_Stream.ReadInt64();
return;
}
short dummy2 = b_Stream.ReadInt16();
int offset = b_Stream.ReadInt16();
int dummy3 = b_Stream.ReadInt32();
int lzmaChunks = b_Stream.ReadInt32();
int lzmaSize = 0;
long streamSize = 0;
for (int i = 0; i < lzmaChunks; i++)
{
lzmaSize = b_Stream.ReadInt32();
streamSize = b_Stream.ReadInt32();
}
b_Stream.Position = offset;
switch (header)
{
case "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA": //.bytes
case "UnityWeb":
{
byte[] lzmaBuffer = new byte[lzmaSize];
b_Stream.Read(lzmaBuffer, 0, lzmaSize);
using (var lzmaStream = new EndianStream(SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian))
{
getFiles(lzmaStream, 0);
}
break;
}
case "UnityRaw":
{
getFiles(b_Stream, offset);
break;
}
}
}
else if (header == "UnityFS")
{
ver1 = b_Stream.ReadInt32();
ver2 = b_Stream.ReadStringToNull();
ver3 = b_Stream.ReadStringToNull();
long bundleSize = b_Stream.ReadInt64();
}
}
private void getFiles(EndianStream f_Stream, int offset)
{
int fileCount = f_Stream.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
MemoryAssetsFile memFile = new MemoryAssetsFile();
memFile.fileName = f_Stream.ReadStringToNull();
int fileOffset = f_Stream.ReadInt32();
fileOffset += offset;
int fileSize = f_Stream.ReadInt32();
long nextFile = f_Stream.Position;
f_Stream.Position = fileOffset;
byte[] buffer = new byte[fileSize];
f_Stream.Read(buffer, 0, fileSize);
memFile.memStream = new MemoryStream(buffer);
MemoryAssetsFileList.Add(memFile);
f_Stream.Position = nextFile;
}
}
private void readBundle(EndianStream b_Stream)
{
var header = b_Stream.ReadStringToNull();
if (header == "UnityWeb" || header == "UnityRaw" || header == "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA")
{
ver1 = b_Stream.ReadInt32();
ver2 = b_Stream.ReadStringToNull();
ver3 = b_Stream.ReadStringToNull();
if (ver1 < 6)
{
int bundleSize = b_Stream.ReadInt32();
}
else
{
long bundleSize = b_Stream.ReadInt64();
return;
}
short dummy2 = b_Stream.ReadInt16();
int offset = b_Stream.ReadInt16();
int dummy3 = b_Stream.ReadInt32();
int lzmaChunks = b_Stream.ReadInt32();
int lzmaSize = 0;
long streamSize = 0;
for (int i = 0; i < lzmaChunks; i++)
{
lzmaSize = b_Stream.ReadInt32();
streamSize = b_Stream.ReadInt32();
}
b_Stream.Position = offset;
switch (header)
{
case "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA": //.bytes
case "UnityWeb":
{
byte[] lzmaBuffer = new byte[lzmaSize];
b_Stream.Read(lzmaBuffer, 0, lzmaSize);
using (var lzmaStream = new EndianStream(SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian))
{
getFiles(lzmaStream, 0);
}
break;
}
case "UnityRaw":
{
getFiles(b_Stream, offset);
break;
}
}
}
else if (header == "UnityFS")
{
ver1 = b_Stream.ReadInt32();
ver2 = b_Stream.ReadStringToNull();
ver3 = b_Stream.ReadStringToNull();
long bundleSize = b_Stream.ReadInt64();
}
}
public AssetsFile(string fullName, EndianStream fileStream)
{
//if (memFile != null) { Stream = new EndianStream(memFile, endianType); }
//else { Stream = new EndianStream(File.OpenRead(fileName), endianType); }
a_Stream = fileStream;
filePath = fullName;
fileName = Path.GetFileName(fullName);
int tableSize = a_Stream.ReadInt32();
int dataEnd = a_Stream.ReadInt32();
fileGen = a_Stream.ReadInt32();
uint dataOffset = a_Stream.ReadUInt32();
sharedAssetsList[0].fileName = Path.GetFileName(fullName); //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 - 5.4
case 16: //??.. no sure
case 17: //5.5.0 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 Unity version!" + fileGen, "Unity Studio 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 = "Unity 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;
case 29: platformStr = "Wii U"; break;
default: platformStr = "Unknown Platform"; 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();
var cb = new List <ClassMember>();
for (int m = 0; m < memberCount; m++)
{
readBase(cb, 1);
}
var aClass = new ClassStruct()
{
ID = classID, Text = (baseType + " " + baseName), members = cb
};
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; //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.ReadUInt32();
asset.Offset += dataOffset;
asset.Size = a_Stream.ReadInt32();
if (fileGen > 15)
{
int index = a_Stream.ReadInt32();
asset.Type1 = classIDs[index][0];
asset.Type2 = (ushort)classIDs[index][1];
}
else
{
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;
}
}
string typeString;
if (ClassIDReference.Names.TryGetValue(asset.Type2, out typeString))
{
asset.TypeString = typeString;
}
else
{
asset.TypeString = "Unknown Type " + asset.Type2;
}
asset.uniqueID = i.ToString(assetIDfmt);
asset.sourceFile = this;
preloadTable.Add(asset.m_PathID, asset);
#region read BuildSettings to get version for unity 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(buildTypeSplit, StringSplitOptions.RemoveEmptyEntries);
var strver = m_Version.Split(strverSplit, 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);
}
}
public Mesh(AssetPreloadData MeshPD)
{
//Stream = new EndianStream(File.OpenRead(sourceFile.filePath), sourceFile.endianType);
//Stream.endian = sourceFile.endianType;
var version = MeshPD.sourceFile.version;
a_Stream = MeshPD.sourceFile.a_Stream;
a_Stream.Position = MeshPD.Offset;
bool m_Use16BitIndices = true; //3.5.0 and newer always uses 16bit indices
uint m_MeshCompression = 0;
if (MeshPD.sourceFile.platform == -2)
{
uint m_ObjectHideFlags = a_Stream.ReadUInt32();
PPtr m_PrefabParentObject = MeshPD.sourceFile.ReadPPtr();
PPtr m_PrefabInternal = MeshPD.sourceFile.ReadPPtr();
}
m_Name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
if (version[0] < 3 || (version[0] == 3 && version[1] < 5))
{
m_Use16BitIndices = a_Stream.ReadBoolean();
a_Stream.Position += 3;
}
#region Index Buffer for 2.5.1 and earlier
if (version[0] == 2 && version[1] <= 5)
{
int m_IndexBuffer_size = a_Stream.ReadInt32();
if (m_Use16BitIndices)
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 2];
for (int i = 0; i < m_IndexBuffer_size / 2; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt16(); }
a_Stream.AlignStream(4);
}
else
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 4];
for (int i = 0; i < m_IndexBuffer_size / 4; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt32(); }
}
}
#endregion
int m_SubMeshes_size = a_Stream.ReadInt32();
for (int s = 0; s < m_SubMeshes_size; s++)
{
m_SubMeshes.Add(new SubMesh());
m_SubMeshes[s].firstByte = a_Stream.ReadUInt32();
m_SubMeshes[s].indexCount = a_Stream.ReadUInt32(); //what is this in case of triangle strips?
m_SubMeshes[s].topology = a_Stream.ReadInt32(); //isTriStrip
if (version[0] < 4)
{
m_SubMeshes[s].triangleCount = a_Stream.ReadUInt32();
}
if (version[0] >= 3)
{
m_SubMeshes[s].firstVertex = a_Stream.ReadUInt32();
m_SubMeshes[s].vertexCount = a_Stream.ReadUInt32();
a_Stream.Position += 24; //Axis-Aligned Bounding Box
}
}
#region m_Shapes for 4.1.0 and later, excluding 4.1.0 alpha
if (version [0] >= 5 || (version[0] == 4 && (version[1] > 1 || (version[1] == 1 && MeshPD.sourceFile.buildType[0] != "a"))))
{
if (version[0] == 4 && version[1] <= 2) //4.1.0f4 - 4.2.2f1
{
int m_Shapes_size = a_Stream.ReadInt32();
if (m_Shapes_size > 0)
{
bool stop = true;
}
for (int s = 0; s < m_Shapes_size; s++) //untested
{
string shape_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
a_Stream.Position += 36; //uint firstVertex, vertexCount; Vector3f aabbMinDelta, aabbMaxDelta; bool hasNormals, hasTangents
}
int m_ShapeVertices_size = a_Stream.ReadInt32();
a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
}
else //4.3.0 and later
{
int m_ShapeVertices_size = a_Stream.ReadInt32();
a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
int shapes_size = a_Stream.ReadInt32();
a_Stream.Position += shapes_size * 12; //uint firstVertex, vertexCount; bool hasNormals, hasTangents
int channels_size = a_Stream.ReadInt32();
for (int c = 0; c < channels_size; c++)
{
string channel_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
a_Stream.Position += 12; //uint nameHash; int frameIndex, frameCount
}
int fullWeights_size = a_Stream.ReadInt32();
a_Stream.Position += fullWeights_size * 4; //floats
int m_BindPose_size = a_Stream.ReadInt32();
a_Stream.Position += m_BindPose_size * 16 * 4; //matrix 4x4
int m_BoneNameHashes_size = a_Stream.ReadInt32();
a_Stream.Position += m_BoneNameHashes_size * 4; //uints
uint m_RootBoneNameHash = a_Stream.ReadUInt32();
}
}
#endregion
#region Index Buffer for 2.6.0 and later
if (version[0] >= 3 || (version[0] == 2 && version[1] >= 6))
{
m_MeshCompression = a_Stream.ReadByte();
if (version[0] >= 4)
{
if (version[0] < 5) { uint m_StreamCompression = a_Stream.ReadByte(); }
bool m_IsReadable = a_Stream.ReadBoolean();
bool m_KeepVertices = a_Stream.ReadBoolean();
bool m_KeepIndices = a_Stream.ReadBoolean();
}
a_Stream.AlignStream(4);
int m_IndexBuffer_size = a_Stream.ReadInt32();
if (m_Use16BitIndices)
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 2];
for (int i = 0; i < m_IndexBuffer_size / 2; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt16(); }
a_Stream.AlignStream(4);
}
else
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 4];
for (int i = 0; i < m_IndexBuffer_size / 4; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt32(); }
//align??
}
}
#endregion
#region Vertex Buffer for 3.4.2 and earlier
if (version[0] < 3 || (version[0] == 3 && version[1] < 5))
{
m_VertexCount = a_Stream.ReadUInt32();
m_Vertices = new float[m_VertexCount * 3];
for (int v = 0; v < m_VertexCount * 3; v++) { m_Vertices[v] = a_Stream.ReadSingle(); }
int m_Skin_size = a_Stream.ReadInt32();
a_Stream.Position += m_Skin_size * 32; //4x float weights & 4x int boneIndices
int m_BindPose_size = a_Stream.ReadInt32();
a_Stream.Position += m_BindPose_size * 16 * 4; //matrix 4x4
int m_UV1_size = a_Stream.ReadInt32();
m_UV1 = new float[m_UV1_size * 2];
for (int v = 0; v < m_UV1_size * 2; v++) { m_UV1[v] = a_Stream.ReadSingle(); }
int m_UV2_size = a_Stream.ReadInt32();
m_UV2 = new float[m_UV2_size * 2];
for (int v = 0; v < m_UV2_size * 2; v++) { m_UV2[v] = a_Stream.ReadSingle(); }
if (version[0] == 2 && version[1] <= 5)
{
int m_TangentSpace_size = a_Stream.ReadInt32();
m_Normals = new float[m_TangentSpace_size * 3];
for (int v = 0; v < m_TangentSpace_size; v++)
{
m_Normals[v * 3] = a_Stream.ReadSingle();
m_Normals[v * 3 + 1] = a_Stream.ReadSingle();
m_Normals[v * 3 + 2] = a_Stream.ReadSingle();
a_Stream.Position += 16; //Vector3f tangent & float handedness
}
}
else //2.6.0 and later
{
int m_Tangents_size = a_Stream.ReadInt32();
a_Stream.Position += m_Tangents_size * 16; //Vector4f
int m_Normals_size = a_Stream.ReadInt32();
m_Normals = new float[m_Normals_size * 3];
for (int v = 0; v < m_Normals_size * 3; v++) { m_Normals[v] = a_Stream.ReadSingle(); }
}
}
#endregion
#region Vertex Buffer for 3.5.0 and later
else
{
#region read vertex stream
int m_Skin_size = a_Stream.ReadInt32();
a_Stream.Position += m_Skin_size * 32; //4x float weights & 4x int boneIndices
if (version[0] <= 3 || (version[0] == 4 && version[1] <= 2))
{
int m_BindPose_size = a_Stream.ReadInt32();
a_Stream.Position += m_BindPose_size * 16 * 4; //matrix 4x4
}
int m_CurrentChannels = a_Stream.ReadInt32();//defined as uint in Unity
m_VertexCount = a_Stream.ReadUInt32();
#region 3.5.0 - 3.5.7
if (version[0] < 4)
{
if (m_MeshCompression != 0 && version[2] == 0) //special case not just on platform 9
{
a_Stream.Position += 12;
}
else
{
m_Streams = new StreamInfo[4];
for (int s = 0; s < 4; s++)
{
m_Streams[s] = new StreamInfo();
m_Streams[s].channelMask = new BitArray(new int[1] { a_Stream.ReadInt32() });
m_Streams[s].offset = a_Stream.ReadInt32();
m_Streams[s].stride = a_Stream.ReadInt32();
m_Streams[s].align = a_Stream.ReadUInt32();
}
}
}
#endregion
#region 4.0.0 and later
else
{
int singleStreamStride = 0;//used tor unity 5
m_Channels = new ChannelInfo[a_Stream.ReadInt32()];
for (int c = 0; c < m_Channels.Length; c++)
{
m_Channels[c] = new ChannelInfo();
m_Channels[c].stream = a_Stream.ReadByte();
m_Channels[c].offset = a_Stream.ReadByte();
m_Channels[c].format = a_Stream.ReadByte();
m_Channels[c].dimension = a_Stream.ReadByte();
//calculate stride for Unity 5
singleStreamStride += m_Channels[c].dimension * (m_Channels[c].format % 2 == 0 ? 4 : 2);//fingers crossed!
}
if (version[0] < 5)
{
m_Streams = new StreamInfo[a_Stream.ReadInt32()];
for (int s = 0; s < m_Streams.Length; s++)
{
m_Streams[s] = new StreamInfo();
m_Streams[s].channelMask = new BitArray(new int[1] { a_Stream.ReadInt32() });
m_Streams[s].offset = a_Stream.ReadInt32();
m_Streams[s].stride = a_Stream.ReadByte();
m_Streams[s].dividerOp = a_Stream.ReadByte();
m_Streams[s].frequency = a_Stream.ReadUInt16();
}
}
else //it's just easier to create my own stream here
{
m_Streams = new StreamInfo[1];
m_Streams[0] = new StreamInfo();
m_Streams[0].channelMask = new BitArray(new int[1] { m_CurrentChannels });
m_Streams[0].offset = 0;
m_Streams[0].stride = singleStreamStride;
}
}
#endregion
//actual Vertex Buffer
byte[] m_DataSize = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_DataSize, 0, m_DataSize.Length);
#endregion
#region compute FvF
byte valueBufferSize = 0;
byte[] valueBuffer;
float[] dstArray;
if (m_Channels != null)
{
//it is better to loop channels instead of streams
//because channels are likely to be sorted by vertex property
#region 4.0.0 and later
foreach (var m_Channel in m_Channels)
{
if (m_Channel.dimension > 0)
{
var m_Stream = m_Streams[m_Channel.stream];
for (int b = 0; b < 6; b++)
{
if (m_Stream.channelMask.Get(b))
{
switch (m_Channel.format)
{
case 0: //32bit
valueBufferSize = 4;
break;
case 1: //16bit
valueBufferSize = 2;
break;
case 2: //8bit
valueBufferSize = 1;
m_Channel.dimension = 4;//these are actually groups of 4 components
break;
}
valueBuffer = new byte[valueBufferSize];
dstArray = new float[m_VertexCount * m_Channel.dimension];
for (int v = 0; v < m_VertexCount; v++)
{
for (int d = 0; d < m_Channel.dimension; d++)
{
int m_DataSizeOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v + valueBufferSize * d;
Buffer.BlockCopy(m_DataSize, m_DataSizeOffset, valueBuffer, 0, valueBufferSize);
dstArray[v * m_Channel.dimension + d] = bytesToFloat(valueBuffer);
}
}
switch (b)
{
case 0://1
m_Vertices = dstArray;
break;
case 1://2
m_Normals = dstArray;
break;
case 2://4
m_Colors = dstArray;
break;
case 3://8
m_UV1 = dstArray;
break;
case 4://16
m_UV2 = dstArray;
break;
case 5://32
m_Tangents = dstArray;
break;
}
m_Stream.channelMask.Set(b, false); //is this needed?
valueBuffer = null;
dstArray = null;
break; //go to next channel
}
}
}
}
}
#endregion
#region 3.5.0 - 3.5.7
else if (m_Streams != null)
{
foreach (var m_Stream in m_Streams)
{
//a stream may have multiple vertex components but without channels there are no offsets, so I assume all vertex properties are in order
//Unity 3.5.x only uses floats, and that's probably why channels were introduced in Unity 4
ChannelInfo m_Channel = new ChannelInfo();//create my own channel so I can use the same methods
m_Channel.offset = 0;
for (int b = 0; b < 6; b++)
{
if (m_Stream.channelMask.Get(b))
{
switch (b)
{
case 0:
case 1:
valueBufferSize = 4;
m_Channel.dimension = 3;
break;
case 2:
valueBufferSize = 1;
m_Channel.dimension = 4;
break;
case 3:
case 4:
valueBufferSize = 4;
m_Channel.dimension = 2;
break;
case 5:
valueBufferSize = 4;
m_Channel.dimension = 4;
break;
}
valueBuffer = new byte[valueBufferSize];
dstArray = new float[m_VertexCount * m_Channel.dimension];
for (int v = 0; v < m_VertexCount; v++)
{
for (int d = 0; d < m_Channel.dimension; d++)
{
int m_DataSizeOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v + valueBufferSize * d;
Buffer.BlockCopy(m_DataSize, m_DataSizeOffset, valueBuffer, 0, valueBufferSize);
dstArray[v * m_Channel.dimension + d] = bytesToFloat(valueBuffer);
}
}
switch (b)
{
case 0:
m_Vertices = dstArray;
break;
case 1:
m_Normals = dstArray;
break;
case 2:
m_Colors = dstArray;
break;
case 3:
m_UV1 = dstArray;
break;
case 4:
m_UV2 = dstArray;
break;
case 5:
m_Tangents = dstArray;
break;
}
m_Channel.offset += (byte)(m_Channel.dimension * valueBufferSize); //strides larger than 255 are unlikely
m_Stream.channelMask.Set(b, false); //is this needed?
valueBuffer = null;
dstArray = null;
}
}
}
}
#endregion
#endregion
}
#endregion
#region Compressed Mesh data for 2.6.0 and later - 160 bytes
if (version[0] >= 3 || (version[0] == 2 && version[1] >= 6))
{
//remember there can be combinations of packed and regular vertex properties
PackedBitVector m_Vertices_Packed = new PackedBitVector();
m_Vertices_Packed.m_NumItems = a_Stream.ReadUInt32();
m_Vertices_Packed.m_Range = a_Stream.ReadSingle();
m_Vertices_Packed.m_Start = a_Stream.ReadSingle();
m_Vertices_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Vertices_Packed.m_Data, 0, m_Vertices_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Vertices_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Vertices_Packed.m_NumItems > 0)
{
m_VertexCount = m_Vertices_Packed.m_NumItems / 3;
uint[] m_Vertices_Unpacked = UnpackBitVector(m_Vertices_Packed);
int bitmax = 0;//used to convert int value to float
for (int b = 0; b < m_Vertices_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Vertices = new float[m_Vertices_Packed.m_NumItems];
for (int v = 0; v < m_Vertices_Packed.m_NumItems; v++)
{
m_Vertices[v] = (float)m_Vertices_Unpacked[v] / bitmax * m_Vertices_Packed.m_Range + m_Vertices_Packed.m_Start;
}
}
PackedBitVector m_UV_Packed = new PackedBitVector(); //contains both channels
m_UV_Packed.m_NumItems = a_Stream.ReadUInt32();
m_UV_Packed.m_Range = a_Stream.ReadSingle();
m_UV_Packed.m_Start = a_Stream.ReadSingle();
m_UV_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_UV_Packed.m_Data, 0, m_UV_Packed.m_Data.Length);
m_UV_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_UV_Packed.m_NumItems > 0)
{
uint[] m_UV_Unpacked = UnpackBitVector(m_UV_Packed);
int bitmax = 0;
for (int b = 0; b < m_Vertices_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_UV1 = new float[m_VertexCount * 2];
for (int v = 0; v < m_VertexCount * 2; v++)
{
m_UV1[v] = (float)m_UV_Unpacked[v] / bitmax * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
}
if (m_UV_Packed.m_NumItems == m_VertexCount * 4)
{
m_UV2 = new float[m_VertexCount * 2];
for (uint v = 0; v < m_VertexCount * 2; v++)
{
m_UV2[v] = (float)m_UV_Unpacked[v + m_VertexCount * 2] / bitmax * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
}
}
}
if (version[0] < 5)
{
PackedBitVector m_BindPoses_Packed = new PackedBitVector();
m_BindPoses_Packed.m_NumItems = a_Stream.ReadUInt32();
m_BindPoses_Packed.m_Range = a_Stream.ReadSingle();
m_BindPoses_Packed.m_Start = a_Stream.ReadSingle();
m_BindPoses_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_BindPoses_Packed.m_Data, 0, m_BindPoses_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_BindPoses_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
}
PackedBitVector m_Normals_Packed = new PackedBitVector();
m_Normals_Packed.m_NumItems = a_Stream.ReadUInt32();
m_Normals_Packed.m_Range = a_Stream.ReadSingle();
m_Normals_Packed.m_Start = a_Stream.ReadSingle();
m_Normals_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Normals_Packed.m_Data, 0, m_Normals_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Normals_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
PackedBitVector m_Tangents_Packed = new PackedBitVector();
m_Tangents_Packed.m_NumItems = a_Stream.ReadUInt32();
m_Tangents_Packed.m_Range = a_Stream.ReadSingle();
m_Tangents_Packed.m_Start = a_Stream.ReadSingle();
m_Tangents_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Tangents_Packed.m_Data, 0, m_Tangents_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Tangents_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
PackedBitVector m_Weights_Packed = new PackedBitVector();
m_Weights_Packed.m_NumItems = a_Stream.ReadUInt32();
m_Weights_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Weights_Packed.m_Data, 0, m_Weights_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Weights_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
PackedBitVector m_NormalSigns_packed = new PackedBitVector();
m_NormalSigns_packed.m_NumItems = a_Stream.ReadUInt32();
m_NormalSigns_packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_NormalSigns_packed.m_Data, 0, m_NormalSigns_packed.m_Data.Length);
a_Stream.AlignStream(4);
m_NormalSigns_packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Normals_Packed.m_NumItems > 0)
{
uint[] m_Normals_Unpacked = UnpackBitVector(m_Normals_Packed);
uint[] m_NormalSigns = UnpackBitVector(m_NormalSigns_packed);
int bitmax = 0;
for (int b = 0; b < m_Normals_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Normals = new float[m_Normals_Packed.m_NumItems / 2 * 3];
for (int v = 0; v < m_Normals_Packed.m_NumItems / 2; v++)
{
m_Normals[v * 3] = (float)((double)m_Normals_Unpacked[v * 2] / bitmax) * m_Normals_Packed.m_Range + m_Normals_Packed.m_Start;
m_Normals[v * 3 + 1] = (float)((double)m_Normals_Unpacked[v * 2 + 1] / bitmax) * m_Normals_Packed.m_Range + m_Normals_Packed.m_Start;
m_Normals[v * 3 + 2] = (float)Math.Sqrt(1 - m_Normals[v * 3] * m_Normals[v * 3] - m_Normals[v * 3 + 1] * m_Normals[v * 3 + 1]);
if (m_NormalSigns[v] == 0) { m_Normals[v * 3 + 2] *= -1; }
}
}
PackedBitVector m_TangentSigns = new PackedBitVector();
m_TangentSigns.m_NumItems = a_Stream.ReadUInt32();
m_TangentSigns.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_TangentSigns.m_Data, 0, m_TangentSigns.m_Data.Length);
a_Stream.AlignStream(4);
m_TangentSigns.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (version[0] >= 5)
{
PackedBitVector m_FloatColors = new PackedBitVector();
m_FloatColors.m_NumItems = a_Stream.ReadUInt32();
m_FloatColors.m_Range = a_Stream.ReadSingle();
m_FloatColors.m_Start = a_Stream.ReadSingle();
m_FloatColors.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_FloatColors.m_Data, 0, m_FloatColors.m_Data.Length);
a_Stream.AlignStream(4);
m_FloatColors.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_FloatColors.m_NumItems > 0)
{
uint[] m_FloatColors_Unpacked = UnpackBitVector(m_FloatColors);
int bitmax = 0;
for (int b = 0; b < m_Vertices_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Colors = new float[m_FloatColors.m_NumItems];
for (int v = 0; v < m_FloatColors.m_NumItems; v++)
{
m_Colors[v] = (float)m_FloatColors_Unpacked[v] / bitmax * m_FloatColors.m_Range + m_FloatColors.m_Start;
}
}
}
PackedBitVector m_BoneIndices = new PackedBitVector();
m_BoneIndices.m_NumItems = a_Stream.ReadUInt32();
m_BoneIndices.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_BoneIndices.m_Data, 0, m_BoneIndices.m_Data.Length);
a_Stream.AlignStream(4);
m_BoneIndices.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
PackedBitVector m_Triangles = new PackedBitVector();
m_Triangles.m_NumItems = a_Stream.ReadUInt32();
m_Triangles.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Triangles.m_Data, 0, m_Triangles.m_Data.Length);
a_Stream.AlignStream(4);
m_Triangles.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Triangles.m_NumItems > 0) { m_IndexBuffer = UnpackBitVector(m_Triangles); }
}
#endregion
#region Colors & Collision triangles for 3.4.2 and earlier
if (version[0] <= 2 || (version[0] == 3 && version[1] <= 4)) //
{
a_Stream.Position += 24; //Axis-Aligned Bounding Box
int m_Colors_size = a_Stream.ReadInt32();
m_Colors = new float[m_Colors_size * 4];
for (int v = 0; v < m_Colors_size * 4; v++) { m_Colors[v] = (float)(a_Stream.ReadByte()) / 0xFF; }
int m_CollisionTriangles_size = a_Stream.ReadInt32();
a_Stream.Position += m_CollisionTriangles_size * 4; //UInt32 indices
int m_CollisionVertexCount = a_Stream.ReadInt32();
}
#endregion
#region Compressed colors & Local AABB for 3.5.0 to 4.x.x
else //vertex colors are either in streams or packed bits
{
if (version[0] < 5)
{
PackedBitVector m_Colors_Packed = new PackedBitVector();
m_Colors_Packed.m_NumItems = a_Stream.ReadUInt32();
m_Colors_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Colors_Packed.m_Data, 0, m_Colors_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Colors_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Colors_Packed.m_NumItems > 0)
{
if (m_Colors_Packed.m_BitSize == 32)
{
//4 x 8bit color channels
m_Colors = new float[m_Colors_Packed.m_Data.Length];
for (int v = 0; v < m_Colors_Packed.m_Data.Length; v++)
{
m_Colors[v] = (float)m_Colors_Packed.m_Data[v] / 0xFF;
}
}
else //not tested
{
uint[] m_Colors_Unpacked = UnpackBitVector(m_Colors_Packed);
int bitmax = 0;//used to convert int value to float
for (int b = 0; b < m_Colors_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Colors = new float[m_Colors_Packed.m_NumItems];
for (int v = 0; v < m_Colors_Packed.m_NumItems; v++)
{
m_Colors[v] = (float)m_Colors_Unpacked[v] / bitmax;
}
}
}
}
a_Stream.Position += 24; //Axis-Aligned Bounding Box
}
#endregion
int m_MeshUsageFlags = a_Stream.ReadInt32();
if (version[0] >= 5)
{
//int m_BakedConvexCollisionMesh = a_Stream.ReadInt32();
//a_Stream.Position += m_BakedConvexCollisionMesh;
//int m_BakedTriangleCollisionMesh = a_Stream.ReadInt32();
//a_Stream.Position += m_BakedConvexCollisionMesh;
}
#region Build face indices
for (int s = 0; s < m_SubMeshes_size; s++)
{
uint firstIndex = m_SubMeshes[s].firstByte / 2;
if (!m_Use16BitIndices) { firstIndex /= 2; }
if (m_SubMeshes[s].topology == 0)
{
for (int i = 0; i < m_SubMeshes[s].indexCount / 3; i++)
{
m_Indices.Add(m_IndexBuffer[firstIndex + i * 3]);
m_Indices.Add(m_IndexBuffer[firstIndex + i * 3 + 1]);
m_Indices.Add(m_IndexBuffer[firstIndex + i * 3 + 2]);
m_materialIDs.Add(s);
}
}
else
{
for (int i = 0; i < m_SubMeshes[s].indexCount - 2; i++)
{
uint fa = m_IndexBuffer[firstIndex + i];
uint fb = m_IndexBuffer[firstIndex + i + 1];
uint fc = m_IndexBuffer[firstIndex + i + 2];
if ((fa!=fb) && (fa!=fc) && (fc!=fb))
{
m_Indices.Add(fa);
if ((i % 2) == 0)
{
m_Indices.Add(fb);
m_Indices.Add(fc);
}
else
{
m_Indices.Add(fc);
m_Indices.Add(fb);
}
m_materialIDs.Add(s);
}
}
}
}
#endregion
}
public Mesh(AssetPreloadData MeshPD)
{
//Stream = new EndianStream(File.OpenRead(sourceFile.filePath), sourceFile.endianType);
//Stream.endian = sourceFile.endianType;
var version = MeshPD.sourceFile.version;
a_Stream = MeshPD.sourceFile.a_Stream;
a_Stream.Position = MeshPD.Offset;
bool m_Use16BitIndices = true; //3.5.0 and newer always uses 16bit indices
uint m_MeshCompression = 0;
if (MeshPD.sourceFile.platform == -2)
{
uint m_ObjectHideFlags = a_Stream.ReadUInt32();
PPtr m_PrefabParentObject = MeshPD.sourceFile.ReadPPtr();
PPtr m_PrefabInternal = MeshPD.sourceFile.ReadPPtr();
}
m_Name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
if (version[0] < 3 || (version[0] == 3 && version[1] < 5))
{
m_Use16BitIndices = a_Stream.ReadBoolean();
a_Stream.Position += 3;
}
#region Index Buffer for 2.5.1 and earlier
if (version[0] == 2 && version[1] <= 5)
{
int m_IndexBuffer_size = a_Stream.ReadInt32();
if (m_Use16BitIndices)
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 2];
for (int i = 0; i < m_IndexBuffer_size / 2; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt16(); }
a_Stream.AlignStream(4);
}
else
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 4];
for (int i = 0; i < m_IndexBuffer_size / 4; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt32(); }
}
}
#endregion
#region subMeshes
int m_SubMeshes_size = a_Stream.ReadInt32();
for (int s = 0; s < m_SubMeshes_size; s++)
{
m_SubMeshes.Add(new SubMesh());
m_SubMeshes[s].firstByte = a_Stream.ReadUInt32();
m_SubMeshes[s].indexCount = a_Stream.ReadUInt32(); //what is this in case of triangle strips?
m_SubMeshes[s].topology = a_Stream.ReadInt32(); //isTriStrip
if (version[0] < 4)
{
m_SubMeshes[s].triangleCount = a_Stream.ReadUInt32();
}
if (version[0] >= 3)
{
m_SubMeshes[s].firstVertex = a_Stream.ReadUInt32();
m_SubMeshes[s].vertexCount = a_Stream.ReadUInt32();
a_Stream.Position += 24; //Axis-Aligned Bounding Box
}
}
#endregion
#region BlendShapeData for 4.1.0 to 4.2.x, excluding 4.1.0 alpha
if (version[0] == 4 && ((version[1] == 1 && MeshPD.sourceFile.buildType[0] != "a") ||
(version[1] > 1 && version[1] <= 2)))
{
int m_Shapes_size = a_Stream.ReadInt32();
if (m_Shapes_size > 0)
{
bool stop = true;
}
for (int s = 0; s < m_Shapes_size; s++) //untested
{
string shape_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
a_Stream.Position += 36; //uint firstVertex, vertexCount; Vector3f aabbMinDelta, aabbMaxDelta; bool hasNormals, hasTangents
}
int m_ShapeVertices_size = a_Stream.ReadInt32();
a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
}
#endregion
#region BlendShapeData and BindPose for 4.3.0 and later
else if (version[0] >= 5 || (version[0] == 4 && version[1] >= 3))
{
int m_ShapeVertices_size = a_Stream.ReadInt32();
if (m_ShapeVertices_size > 0)
{
bool stop = true;
}
a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
int shapes_size = a_Stream.ReadInt32();
a_Stream.Position += shapes_size * 12; //uint firstVertex, vertexCount; bool hasNormals, hasTangents
int channels_size = a_Stream.ReadInt32();
for (int c = 0; c < channels_size; c++)
{
string channel_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
a_Stream.Position += 12; //uint nameHash; int frameIndex, frameCount
}
int fullWeights_size = a_Stream.ReadInt32();
a_Stream.Position += fullWeights_size * 4; //floats
m_BindPose = new float[a_Stream.ReadInt32()][,];
for (int i = 0; i < m_BindPose.Length; i++)
{
m_BindPose[i] = new float[4,4] {
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() } };
}
int m_BoneNameHashes_size = a_Stream.ReadInt32();
a_Stream.Position += m_BoneNameHashes_size * 4; //uints
uint m_RootBoneNameHash = a_Stream.ReadUInt32();
}
#endregion
#region Index Buffer for 2.6.0 and later
if (version[0] >= 3 || (version[0] == 2 && version[1] >= 6))
{
m_MeshCompression = a_Stream.ReadByte();
if (version[0] >= 4)
{
if (version[0] < 5) { uint m_StreamCompression = a_Stream.ReadByte(); }
bool m_IsReadable = a_Stream.ReadBoolean();
bool m_KeepVertices = a_Stream.ReadBoolean();
bool m_KeepIndices = a_Stream.ReadBoolean();
}
a_Stream.AlignStream(4);
int m_IndexBuffer_size = a_Stream.ReadInt32();
if (m_Use16BitIndices)
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 2];
for (int i = 0; i < m_IndexBuffer_size / 2; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt16(); }
a_Stream.AlignStream(4);
}
else
{
m_IndexBuffer = new uint[m_IndexBuffer_size / 4];
for (int i = 0; i < m_IndexBuffer_size / 4; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt32(); }
a_Stream.AlignStream(4);//untested
}
}
#endregion
#region Vertex Buffer for 3.4.2 and earlier
if (version[0] < 3 || (version[0] == 3 && version[1] < 5))
{
m_VertexCount = a_Stream.ReadInt32();
m_Vertices = new float[m_VertexCount * 3];
for (int v = 0; v < m_VertexCount * 3; v++) { m_Vertices[v] = a_Stream.ReadSingle(); }
m_Skin = new List<BoneInfluence>[a_Stream.ReadInt32()];
//m_Skin = new Dictionary<int, float>[a_Stream.ReadInt32()];
for (int s = 0; s < m_Skin.Length; s++)
{
m_Skin[s] = new List<BoneInfluence>();
for (int i = 0; i < 4; i++) { m_Skin[s].Add(new BoneInfluence() { weight = a_Stream.ReadSingle() }); }
for (int i = 0; i < 4; i++) { m_Skin[s][i].boneIndex = a_Stream.ReadInt32(); }
/*m_Skin[s] = new Dictionary<int, float>();
float[] weights = new float[4] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
for (int i = 0; i < 4; i++)
{
int boneIndex = a_Stream.ReadInt32();
m_Skin[s][boneIndex] = weights[i];
}*/
}
m_BindPose = new float[a_Stream.ReadInt32()][,];
for (int i = 0; i < m_BindPose.Length; i++)
{
m_BindPose[i] = new float[4, 4] {
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() } };
}
int m_UV1_size = a_Stream.ReadInt32();
m_UV1 = new float[m_UV1_size * 2];
for (int v = 0; v < m_UV1_size * 2; v++) { m_UV1[v] = a_Stream.ReadSingle(); }
int m_UV2_size = a_Stream.ReadInt32();
m_UV2 = new float[m_UV2_size * 2];
for (int v = 0; v < m_UV2_size * 2; v++) { m_UV2[v] = a_Stream.ReadSingle(); }
if (version[0] == 2 && version[1] <= 5)
{
int m_TangentSpace_size = a_Stream.ReadInt32();
m_Normals = new float[m_TangentSpace_size * 3];
for (int v = 0; v < m_TangentSpace_size; v++)
{
m_Normals[v * 3] = a_Stream.ReadSingle();
m_Normals[v * 3 + 1] = a_Stream.ReadSingle();
m_Normals[v * 3 + 2] = a_Stream.ReadSingle();
a_Stream.Position += 16; //Vector3f tangent & float handedness
}
}
else //2.6.0 and later
{
int m_Tangents_size = a_Stream.ReadInt32();
a_Stream.Position += m_Tangents_size * 16; //Vector4f
int m_Normals_size = a_Stream.ReadInt32();
m_Normals = new float[m_Normals_size * 3];
for (int v = 0; v < m_Normals_size * 3; v++) { m_Normals[v] = a_Stream.ReadSingle(); }
}
}
#endregion
#region Vertex Buffer for 3.5.0 and later
else
{
#region read vertex stream
m_Skin = new List<BoneInfluence>[a_Stream.ReadInt32()];
//m_Skin = new Dictionary<int, float>[a_Stream.ReadInt32()];
for (int s = 0; s < m_Skin.Length; s++)
{
m_Skin[s] = new List<BoneInfluence>();
for (int i = 0; i < 4; i++) { m_Skin[s].Add(new BoneInfluence() { weight = a_Stream.ReadSingle() }); }
for (int i = 0; i < 4; i++) { m_Skin[s][i].boneIndex = a_Stream.ReadInt32(); }
/*m_Skin[s] = new Dictionary<int, float>();
float[] weights = new float[4] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
for (int i = 0; i < 4; i++)
{
int boneIndex = a_Stream.ReadInt32();
m_Skin[s][boneIndex] = weights[i];
}*/
}
if (version[0] == 3 || (version[0] == 4 && version[1] <= 2))
{
m_BindPose = new float[a_Stream.ReadInt32()][,];
for (int i = 0; i < m_BindPose.Length; i++)
{
m_BindPose[i] = new float[4, 4] {
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
{ a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() } };
}
}
BitArray m_CurrentChannels = new BitArray(new int[1] { a_Stream.ReadInt32() });
m_VertexCount = a_Stream.ReadInt32();
//int singleStreamStride = 0;//used tor unity 5
int streamCount = 0;
#region streams for 3.5.0 - 3.5.7
if (version[0] < 4)
{
if (m_MeshCompression != 0 && version[2] == 0) //special case not just on platform 9
{
a_Stream.Position += 12;
}
else
{
m_Streams = new StreamInfo[4];
for (int s = 0; s < 4; s++)
{
m_Streams[s] = new StreamInfo();
m_Streams[s].channelMask = new BitArray(new int[1] { a_Stream.ReadInt32() });
m_Streams[s].offset = a_Stream.ReadInt32();
m_Streams[s].stride = a_Stream.ReadInt32();
m_Streams[s].align = a_Stream.ReadUInt32();
}
}
}
#endregion
#region channels and streams for 4.0.0 and later
else
{
m_Channels = new ChannelInfo[a_Stream.ReadInt32()];
for (int c = 0; c < m_Channels.Length; c++)
{
m_Channels[c] = new ChannelInfo();
m_Channels[c].stream = a_Stream.ReadByte();
m_Channels[c].offset = a_Stream.ReadByte();
m_Channels[c].format = a_Stream.ReadByte();
m_Channels[c].dimension = a_Stream.ReadByte();
//calculate stride for Unity 5
//singleStreamStride += m_Channels[c].dimension * (4 / (int)Math.Pow(2, m_Channels[c].format));
if (m_Channels[c].stream >= streamCount) { streamCount = m_Channels[c].stream + 1; }
}
if (version[0] < 5)
{
m_Streams = new StreamInfo[a_Stream.ReadInt32()];
for (int s = 0; s < m_Streams.Length; s++)
{
m_Streams[s] = new StreamInfo();
m_Streams[s].channelMask = new BitArray(new int[1] { a_Stream.ReadInt32() });
m_Streams[s].offset = a_Stream.ReadInt32();
m_Streams[s].stride = a_Stream.ReadByte();
m_Streams[s].dividerOp = a_Stream.ReadByte();
m_Streams[s].frequency = a_Stream.ReadUInt16();
}
}
}
#endregion
//actual Vertex Buffer
byte[] m_DataSize = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_DataSize, 0, m_DataSize.Length);
if (version[0] >= 5) //create streams
{
m_Streams = new StreamInfo[streamCount];
for (int s = 0; s < streamCount; s++)
{
m_Streams[s] = new StreamInfo();
m_Streams[s].channelMask = new BitArray(new int[1] { 0 });
m_Streams[s].offset = 0;
m_Streams[s].stride = 0;
foreach (var m_Channel in m_Channels)
{
if (m_Channel.stream == s) { m_Streams[s].stride += m_Channel.dimension * (4 / (int)Math.Pow(2, m_Channel.format)); }
}
if (s > 0)
{
m_Streams[s].offset = m_Streams[s - 1].offset + m_Streams[s - 1].stride * m_VertexCount;
//sometimes there are 8 bytes between streams
//this is NOT an alignment, even if sometimes it may seem so
if (streamCount == 2) { m_Streams[s].offset = m_DataSize.Length - m_Streams[s].stride * m_VertexCount; }
else
{
m_VertexCount = 0;
return;
}
/*var absoluteOffset = a_Stream.Position + 4 + m_Streams[s].offset;
if ((absoluteOffset % m_Streams[s].stride) != 0)
{
m_Streams[s].offset += m_Streams[s].stride - (int)(absoluteOffset % m_Streams[s].stride);
}*/
}
}
}
#endregion
#region compute FvF
int componentByteSize = 0;
byte[] componentBytes;
float[] componentsArray;
#region 4.0.0 and later
if (m_Channels != null)
{
//it is better to loop channels instead of streams
//because channels are likely to be sorted by vertex property
foreach (var m_Channel in m_Channels)
{
if (m_Channel.dimension > 0)
{
var m_Stream = m_Streams[m_Channel.stream];
for (int b = 0; b < 8; b++)
{
//in the future, try to use only m_CurrentChannels
if ((version[0] < 5 && m_Stream.channelMask.Get(b)) || (version[0] >= 5 && m_CurrentChannels.Get(b)))
{
// in Unity 4.x the colors channel has 1 dimension, as in 1 color with 4 components
if (b == 2 && m_Channel.format == 2) { m_Channel.dimension = 4; }
componentByteSize = 4 / (int)Math.Pow(2, m_Channel.format);
/*switch (m_Channel.format)
{
case 0: //32bit
valueBufferSize = 4;
break;
case 1: //16bit
valueBufferSize = 2;
break;
case 2: //8bit
valueBufferSize = 1;
m_Channel.dimension = 4;//in older versions this is 1, as in 1 color with 4 components
break;
}*/
componentBytes = new byte[componentByteSize];
componentsArray = new float[m_VertexCount * m_Channel.dimension];
for (int v = 0; v < m_VertexCount; v++)
{
int vertexOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v;
for (int d = 0; d < m_Channel.dimension; d++)
{
int componentOffset = vertexOffset + componentByteSize * d;
Buffer.BlockCopy(m_DataSize, componentOffset, componentBytes, 0, componentByteSize);
componentsArray[v * m_Channel.dimension + d] = bytesToFloat(componentBytes);
}
}
switch (b)
{
case 0: m_Vertices = componentsArray; break;
case 1: m_Normals = componentsArray; break;
case 2: m_Colors = componentsArray; break;
case 3: m_UV1 = componentsArray; break;
case 4: m_UV2 = componentsArray; break;
case 5:
if (version[0] == 5) { m_UV3 = componentsArray; }
else { m_Tangents = componentsArray; }
break;
case 6: m_UV4 = componentsArray; break;
case 7: m_Tangents = componentsArray; break;
}
m_Stream.channelMask.Set(b, false);
m_CurrentChannels.Set(b, false);
componentBytes = null;
componentsArray = null;
break; //go to next channel
}
}
}
}
}
#endregion
#region 3.5.0 - 3.5.7
else if (m_Streams != null)
{
foreach (var m_Stream in m_Streams)
{
//a stream may have multiple vertex components but without channels there are no offsets, so I assume all vertex properties are in order
//Unity 3.5.x only uses floats, and that's probably why channels were introduced in Unity 4
ChannelInfo m_Channel = new ChannelInfo();//create my own channel so I can use the same methods
m_Channel.offset = 0;
for (int b = 0; b < 6; b++)
{
if (m_Stream.channelMask.Get(b))
{
switch (b)
{
case 0:
case 1:
componentByteSize = 4;
m_Channel.dimension = 3;
break;
case 2:
componentByteSize = 1;
m_Channel.dimension = 4;
break;
case 3:
case 4:
componentByteSize = 4;
m_Channel.dimension = 2;
break;
case 5:
componentByteSize = 4;
m_Channel.dimension = 4;
break;
}
componentBytes = new byte[componentByteSize];
componentsArray = new float[m_VertexCount * m_Channel.dimension];
for (int v = 0; v < m_VertexCount; v++)
{
int vertexOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v;
for (int d = 0; d < m_Channel.dimension; d++)
{
int m_DataSizeOffset = vertexOffset + componentByteSize * d;
Buffer.BlockCopy(m_DataSize, m_DataSizeOffset, componentBytes, 0, componentByteSize);
componentsArray[v * m_Channel.dimension + d] = bytesToFloat(componentBytes);
}
}
switch (b)
{
case 0: m_Vertices = componentsArray; break;
case 1: m_Normals = componentsArray; break;
case 2: m_Colors = componentsArray; break;
case 3: m_UV1 = componentsArray; break;
case 4: m_UV2 = componentsArray; break;
case 5: m_Tangents = componentsArray; break;
}
m_Channel.offset += (byte)(m_Channel.dimension * componentByteSize); //safe to cast as byte because strides larger than 255 are unlikely
m_Stream.channelMask.Set(b, false);
componentBytes = null;
componentsArray = null;
}
}
}
}
#endregion
#endregion
}
#endregion
#region Compressed Mesh data for 2.6.0 and later - 160 bytes
if (version[0] >= 3 || (version[0] == 2 && version[1] >= 6))
{
//remember there can be combinations of packed and regular vertex properties
#region m_Vertices
PackedBitVector m_Vertices_Packed = new PackedBitVector();
m_Vertices_Packed.m_NumItems = a_Stream.ReadInt32();
m_Vertices_Packed.m_Range = a_Stream.ReadSingle();
m_Vertices_Packed.m_Start = a_Stream.ReadSingle();
m_Vertices_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Vertices_Packed.m_Data, 0, m_Vertices_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Vertices_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Vertices_Packed.m_NumItems > 0)
{
m_VertexCount = m_Vertices_Packed.m_NumItems / 3;
uint[] m_Vertices_Unpacked = UnpackBitVector(m_Vertices_Packed);
int bitmax = 0;//used to convert int value to float
for (int b = 0; b < m_Vertices_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Vertices = new float[m_Vertices_Packed.m_NumItems];
for (int v = 0; v < m_Vertices_Packed.m_NumItems; v++)
{
m_Vertices[v] = (float)((double)m_Vertices_Unpacked[v] / bitmax) * m_Vertices_Packed.m_Range + m_Vertices_Packed.m_Start;
}
}
#endregion
#region m_UV
PackedBitVector m_UV_Packed = new PackedBitVector(); //contains all channels
m_UV_Packed.m_NumItems = a_Stream.ReadInt32();
m_UV_Packed.m_Range = a_Stream.ReadSingle();
m_UV_Packed.m_Start = a_Stream.ReadSingle();
m_UV_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_UV_Packed.m_Data, 0, m_UV_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_UV_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_UV_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportUVs"])
{
uint[] m_UV_Unpacked = UnpackBitVector(m_UV_Packed);
int bitmax = 0;
for (int b = 0; b < m_UV_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_UV1 = new float[m_VertexCount * 2];
for (int v = 0; v < m_VertexCount * 2; v++)
{
m_UV1[v] = (float)((double)m_UV_Unpacked[v] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
}
if (m_UV_Packed.m_NumItems >= m_VertexCount * 4)
{
m_UV2 = new float[m_VertexCount * 2];
for (uint v = 0; v < m_VertexCount * 2; v++)
{
m_UV2[v] = (float)((double)m_UV_Unpacked[v + m_VertexCount * 2] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
}
if (m_UV_Packed.m_NumItems >= m_VertexCount * 6)
{
m_UV3 = new float[m_VertexCount * 2];
for (uint v = 0; v < m_VertexCount * 2; v++)
{
m_UV3[v] = (float)((double)m_UV_Unpacked[v + m_VertexCount * 4] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
}
if (m_UV_Packed.m_NumItems == m_VertexCount * 8)
{
m_UV4 = new float[m_VertexCount * 2];
for (uint v = 0; v < m_VertexCount * 2; v++)
{
m_UV4[v] = (float)((double)m_UV_Unpacked[v + m_VertexCount * 6] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
}
}
}
}
}
#endregion
#region m_BindPose
if (version[0] < 5)
{
PackedBitVector m_BindPoses_Packed = new PackedBitVector();
m_BindPoses_Packed.m_NumItems = a_Stream.ReadInt32();
m_BindPoses_Packed.m_Range = a_Stream.ReadSingle();
m_BindPoses_Packed.m_Start = a_Stream.ReadSingle();
m_BindPoses_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_BindPoses_Packed.m_Data, 0, m_BindPoses_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_BindPoses_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_BindPoses_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportDeformers"])
{
uint[] m_BindPoses_Unpacked = UnpackBitVector(m_BindPoses_Packed);
int bitmax = 0;//used to convert int value to float
for (int b = 0; b < m_BindPoses_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_BindPose = new float[m_BindPoses_Packed.m_NumItems / 16][,];
for (int i = 0; i < m_BindPose.Length; i++)
{
m_BindPose[i] = new float[4, 4];
for (int j = 0; j < 4; j++)
{
for (int k = 0; k < 4; k++)
{
m_BindPose[i][j,k] = (float)((double)m_BindPoses_Unpacked[i * 16 + j * 4 + k] / bitmax) * m_BindPoses_Packed.m_Range + m_BindPoses_Packed.m_Start;
}
}
}
}
}
#endregion
PackedBitVector m_Normals_Packed = new PackedBitVector();
m_Normals_Packed.m_NumItems = a_Stream.ReadInt32();
m_Normals_Packed.m_Range = a_Stream.ReadSingle();
m_Normals_Packed.m_Start = a_Stream.ReadSingle();
m_Normals_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Normals_Packed.m_Data, 0, m_Normals_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Normals_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
PackedBitVector m_Tangents_Packed = new PackedBitVector();
m_Tangents_Packed.m_NumItems = a_Stream.ReadInt32();
m_Tangents_Packed.m_Range = a_Stream.ReadSingle();
m_Tangents_Packed.m_Start = a_Stream.ReadSingle();
m_Tangents_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Tangents_Packed.m_Data, 0, m_Tangents_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Tangents_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
PackedBitVector m_Weights = new PackedBitVector();
m_Weights.m_NumItems = a_Stream.ReadInt32();
m_Weights.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Weights.m_Data, 0, m_Weights.m_Data.Length);
a_Stream.AlignStream(4);
m_Weights.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
#region m_Normals
PackedBitVector m_NormalSigns_packed = new PackedBitVector();
m_NormalSigns_packed.m_NumItems = a_Stream.ReadInt32();
m_NormalSigns_packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_NormalSigns_packed.m_Data, 0, m_NormalSigns_packed.m_Data.Length);
a_Stream.AlignStream(4);
m_NormalSigns_packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Normals_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportNormals"])
{
uint[] m_Normals_Unpacked = UnpackBitVector(m_Normals_Packed);
uint[] m_NormalSigns = UnpackBitVector(m_NormalSigns_packed);
int bitmax = 0;
for (int b = 0; b < m_Normals_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Normals = new float[m_Normals_Packed.m_NumItems / 2 * 3];
for (int v = 0; v < m_Normals_Packed.m_NumItems / 2; v++)
{
m_Normals[v * 3] = (float)((double)m_Normals_Unpacked[v * 2] / bitmax) * m_Normals_Packed.m_Range + m_Normals_Packed.m_Start;
m_Normals[v * 3 + 1] = (float)((double)m_Normals_Unpacked[v * 2 + 1] / bitmax) * m_Normals_Packed.m_Range + m_Normals_Packed.m_Start;
m_Normals[v * 3 + 2] = (float)Math.Sqrt(1 - m_Normals[v * 3] * m_Normals[v * 3] - m_Normals[v * 3 + 1] * m_Normals[v * 3 + 1]);
if (m_NormalSigns[v] == 0) { m_Normals[v * 3 + 2] *= -1; }
}
}
#endregion
#region m_Tangents
PackedBitVector m_TangentSigns_packed = new PackedBitVector();
m_TangentSigns_packed.m_NumItems = a_Stream.ReadInt32();
m_TangentSigns_packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_TangentSigns_packed.m_Data, 0, m_TangentSigns_packed.m_Data.Length);
a_Stream.AlignStream(4);
m_TangentSigns_packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Tangents_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportTangents"])
{
uint[] m_Tangents_Unpacked = UnpackBitVector(m_Tangents_Packed);
uint[] m_TangentSigns = UnpackBitVector(m_TangentSigns_packed);
int bitmax = 0;
for (int b = 0; b < m_Tangents_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Tangents = new float[m_Tangents_Packed.m_NumItems / 2 * 3];
for (int v = 0; v < m_Tangents_Packed.m_NumItems / 2; v++)
{
m_Tangents[v * 3] = (float)((double)m_Tangents_Unpacked[v * 2] / bitmax) * m_Tangents_Packed.m_Range + m_Tangents_Packed.m_Start;
m_Tangents[v * 3 + 1] = (float)((double)m_Tangents_Unpacked[v * 2 + 1] / bitmax) * m_Tangents_Packed.m_Range + m_Tangents_Packed.m_Start;
m_Tangents[v * 3 + 2] = (float)Math.Sqrt(1 - m_Tangents[v * 3] * m_Tangents[v * 3] - m_Tangents[v * 3 + 1] * m_Tangents[v * 3 + 1]);
if (m_TangentSigns[v] == 0) { m_Tangents[v * 3 + 2] *= -1; }
}
}
#endregion
#region m_FloatColors
if (version[0] >= 5)
{
PackedBitVector m_FloatColors = new PackedBitVector();
m_FloatColors.m_NumItems = a_Stream.ReadInt32();
m_FloatColors.m_Range = a_Stream.ReadSingle();
m_FloatColors.m_Start = a_Stream.ReadSingle();
m_FloatColors.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_FloatColors.m_Data, 0, m_FloatColors.m_Data.Length);
a_Stream.AlignStream(4);
m_FloatColors.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_FloatColors.m_NumItems > 0 && (bool)Properties.Settings.Default["exportColors"])
{
uint[] m_FloatColors_Unpacked = UnpackBitVector(m_FloatColors);
int bitmax = 0;
for (int b = 0; b < m_FloatColors.m_BitSize; b++) { bitmax |= (1 << b); }
m_Colors = new float[m_FloatColors.m_NumItems];
for (int v = 0; v < m_FloatColors.m_NumItems; v++)
{
m_Colors[v] = (float)m_FloatColors_Unpacked[v] / bitmax * m_FloatColors.m_Range + m_FloatColors.m_Start;
}
}
}
#endregion
#region m_Skin
PackedBitVector m_BoneIndices = new PackedBitVector();
m_BoneIndices.m_NumItems = a_Stream.ReadInt32();
m_BoneIndices.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_BoneIndices.m_Data, 0, m_BoneIndices.m_Data.Length);
a_Stream.AlignStream(4);
m_BoneIndices.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
//how the hell does this work??
if (m_BoneIndices.m_NumItems > 0 && m_BoneIndices.m_NumItems == m_Weights.m_NumItems && (bool)Properties.Settings.Default["exportDeformers"])
{
uint[] m_Weights_Unpacked = UnpackBitVector(m_Weights);
int bitmax = 0;
for (int b = 0; b < m_Weights.m_BitSize; b++) { bitmax |= (1 << b); }
uint[] m_BoneIndices_Unpacked = UnpackBitVector(m_BoneIndices);
m_Skin = new List<BoneInfluence>[m_BoneIndices.m_NumItems / 4];
for (int s = 0; s < m_Skin.Length; s++)
{
m_Skin[s] = new List<BoneInfluence>();
for (int i = 0; i < 4; i++)
{
m_Skin[s].Add(new BoneInfluence() { weight = (float)((double)m_Weights_Unpacked[s * 4 + i] / bitmax),
boneIndex = (int)m_BoneIndices_Unpacked[s * 4 + i] });
}
}
}
#endregion
PackedBitVector m_Triangles = new PackedBitVector();
m_Triangles.m_NumItems = a_Stream.ReadInt32();
m_Triangles.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Triangles.m_Data, 0, m_Triangles.m_Data.Length);
a_Stream.AlignStream(4);
m_Triangles.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Triangles.m_NumItems > 0) { m_IndexBuffer = UnpackBitVector(m_Triangles); }
}
#endregion
#region Colors & Collision triangles for 3.4.2 and earlier
if (version[0] <= 2 || (version[0] == 3 && version[1] <= 4)) //
{
a_Stream.Position += 24; //Axis-Aligned Bounding Box
int m_Colors_size = a_Stream.ReadInt32();
m_Colors = new float[m_Colors_size * 4];
for (int v = 0; v < m_Colors_size * 4; v++) { m_Colors[v] = (float)(a_Stream.ReadByte()) / 0xFF; }
int m_CollisionTriangles_size = a_Stream.ReadInt32();
a_Stream.Position += m_CollisionTriangles_size * 4; //UInt32 indices
int m_CollisionVertexCount = a_Stream.ReadInt32();
}
#endregion
#region Compressed colors & Local AABB for 3.5.0 to 4.x.x
else //vertex colors are either in streams or packed bits
{
if (version[0] < 5)
{
PackedBitVector m_Colors_Packed = new PackedBitVector();
m_Colors_Packed.m_NumItems = a_Stream.ReadInt32();
m_Colors_Packed.m_Data = new byte[a_Stream.ReadInt32()];
a_Stream.Read(m_Colors_Packed.m_Data, 0, m_Colors_Packed.m_Data.Length);
a_Stream.AlignStream(4);
m_Colors_Packed.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
if (m_Colors_Packed.m_NumItems > 0)
{
if (m_Colors_Packed.m_BitSize == 32)
{
//4 x 8bit color channels
m_Colors = new float[m_Colors_Packed.m_Data.Length];
for (int v = 0; v < m_Colors_Packed.m_Data.Length; v++)
{
m_Colors[v] = (float)m_Colors_Packed.m_Data[v] / 0xFF;
}
}
else //not tested
{
uint[] m_Colors_Unpacked = UnpackBitVector(m_Colors_Packed);
int bitmax = 0;//used to convert int value to float
for (int b = 0; b < m_Colors_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
m_Colors = new float[m_Colors_Packed.m_NumItems];
for (int v = 0; v < m_Colors_Packed.m_NumItems; v++)
{
m_Colors[v] = (float)m_Colors_Unpacked[v] / bitmax;
}
}
}
}
else { uint m_UVInfo = a_Stream.ReadUInt32(); }
a_Stream.Position += 24; //Axis-Aligned Bounding Box
}
#endregion
int m_MeshUsageFlags = a_Stream.ReadInt32();
if (version[0] >= 5)
{
//int m_BakedConvexCollisionMesh = a_Stream.ReadInt32();
//a_Stream.Position += m_BakedConvexCollisionMesh;
//int m_BakedTriangleCollisionMesh = a_Stream.ReadInt32();
//a_Stream.Position += m_BakedConvexCollisionMesh;
}
#region Build face indices
for (int s = 0; s < m_SubMeshes_size; s++)
{
uint firstIndex = m_SubMeshes[s].firstByte / 2;
if (!m_Use16BitIndices) { firstIndex /= 2; }
if (m_SubMeshes[s].topology == 0)
{
for (int i = 0; i < m_SubMeshes[s].indexCount / 3; i++)
{
m_Indices.Add(m_IndexBuffer[firstIndex + i * 3]);
m_Indices.Add(m_IndexBuffer[firstIndex + i * 3 + 1]);
m_Indices.Add(m_IndexBuffer[firstIndex + i * 3 + 2]);
m_materialIDs.Add(s);
}
}
else
{
for (int i = 0; i < m_SubMeshes[s].indexCount - 2; i++)
{
uint fa = m_IndexBuffer[firstIndex + i];
uint fb = m_IndexBuffer[firstIndex + i + 1];
uint fc = m_IndexBuffer[firstIndex + i + 2];
if ((fa!=fb) && (fa!=fc) && (fc!=fb))
{
m_Indices.Add(fa);
if ((i % 2) == 0)
{
m_Indices.Add(fb);
m_Indices.Add(fc);
}
else
{
m_Indices.Add(fc);
m_Indices.Add(fb);
}
m_materialIDs.Add(s);
}
}
}
}
#endregion
}
public Texture2D(AssetPreloadData preloadData, bool readSwitch)
{
AssetsFile sourceFile = preloadData.sourceFile;
EndianStream stream = preloadData.sourceFile.a_Stream;
stream.Position = preloadData.Offset;
if (sourceFile.platform == -2)
{
uint num = stream.ReadUInt32();
PPtr ptr = sourceFile.ReadPPtr();
PPtr ptr2 = sourceFile.ReadPPtr();
}
this.m_Name = stream.ReadAlignedString(stream.ReadInt32());
this.m_Width = stream.ReadInt32();
this.m_Height = stream.ReadInt32();
this.m_CompleteImageSize = stream.ReadInt32();
this.m_TextureFormat = stream.ReadInt32();
this.getExtension(preloadData, this.m_TextureFormat);
if (this.m_Name != "")
{
preloadData.Name = this.m_Name;
}
else
{
preloadData.Name = preloadData.TypeString + " #" + preloadData.uniqueID;
}
if ((sourceFile.version[0] < 5) || ((sourceFile.version[0] == 5) && (sourceFile.version[1] < 2)))
{
this.m_MipMap = stream.ReadBoolean();
}
else
{
this.dwFlags += 0x20000;
this.dwMipMapCount = stream.ReadInt32();
this.dwCaps += 0x400008;
}
this.m_IsReadable = stream.ReadBoolean();
this.m_ReadAllowed = stream.ReadBoolean();
stream.AlignStream(4);
this.m_ImageCount = stream.ReadInt32();
this.m_TextureDimension = stream.ReadInt32();
this.m_FilterMode = stream.ReadInt32();
this.m_Aniso = stream.ReadInt32();
this.m_MipBias = stream.ReadSingle();
this.m_WrapMode = stream.ReadInt32();
if (sourceFile.version[0] >= 3)
{
this.m_LightmapFormat = stream.ReadInt32();
if ((sourceFile.version[0] >= 4) || (sourceFile.version[1] >= 5))
{
this.m_ColorSpace = stream.ReadInt32();
}
}
this.image_data_size = stream.ReadInt32();
if (this.m_MipMap)
{
this.dwFlags += 0x20000;
this.dwMipMapCount = Convert.ToInt32((double)(Math.Log((double)Math.Max(this.m_Width, this.m_Height)) / Math.Log(2.0)));
this.dwCaps += 0x400008;
}
if (!readSwitch)
{
string[] textArray1 = new string[] { "Width: ", this.m_Width.ToString(), "\nHeight: ", this.m_Height.ToString(), "\nFormat: " };
preloadData.InfoText = string.Concat(textArray1);
preloadData.exportSize = this.image_data_size;
switch (this.m_TextureFormat)
{
case 1:
preloadData.InfoText = preloadData.InfoText + "Alpha8";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 2:
preloadData.InfoText = preloadData.InfoText + "ARGB 4.4.4.4";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 3:
preloadData.InfoText = preloadData.InfoText + "BGR 8.8.8";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 4:
preloadData.InfoText = preloadData.InfoText + "GRAB 8.8.8.8";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 5:
preloadData.InfoText = preloadData.InfoText + "BGRA 8.8.8.8";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 7:
preloadData.InfoText = preloadData.InfoText + "RGB 5.6.5";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 10:
preloadData.InfoText = preloadData.InfoText + "DXT1";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 12:
preloadData.InfoText = preloadData.InfoText + "DXT5";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 13:
preloadData.InfoText = preloadData.InfoText + "RGBA 4.4.4.4";
preloadData.extension = ".dds";
preloadData.exportSize += 0x80;
goto Label_0E7B;
case 0x1c:
preloadData.InfoText = preloadData.InfoText + "DXT1 Crunched";
preloadData.extension = ".crn";
goto Label_0E7B;
case 0x1d:
preloadData.InfoText = preloadData.InfoText + "DXT5 Crunched";
preloadData.extension = ".crn";
goto Label_0E7B;
case 30:
preloadData.InfoText = preloadData.InfoText + "PVRTC_RGB2";
preloadData.extension = ".pvr";
preloadData.exportSize += 0x34;
goto Label_0E7B;
case 0x1f:
preloadData.InfoText = preloadData.InfoText + "PVRTC_RGBA2";
preloadData.extension = ".pvr";
preloadData.exportSize += 0x34;
goto Label_0E7B;
case 0x20:
preloadData.InfoText = preloadData.InfoText + "PVRTC_RGB4";
preloadData.extension = ".pvr";
preloadData.exportSize += 0x34;
goto Label_0E7B;
case 0x21:
preloadData.InfoText = preloadData.InfoText + "PVRTC_RGBA4";
preloadData.extension = ".pvr";
preloadData.exportSize += 0x34;
goto Label_0E7B;
case 0x22:
preloadData.InfoText = preloadData.InfoText + "ETC_RGB4";
preloadData.extension = ".pvr";
preloadData.exportSize += 0x34;
goto Label_0E7B;
}
preloadData.InfoText = preloadData.InfoText + "unknown";
preloadData.extension = ".tex";
}
else
{
this.image_data = new byte[this.image_data_size];
stream.Read(this.image_data, 0, this.image_data_size);
switch (this.m_TextureFormat)
{
case 1:
this.dwFlags2 = 2;
this.dwRGBBitCount = 8;
this.dwRBitMask = 0;
this.dwGBitMask = 0;
this.dwBBitMask = 0;
this.dwABitMask = 0xff;
return;
case 2:
if (sourceFile.platform != 11)
{
if (sourceFile.platform == 13)
{
for (int j = 0; j < (this.image_data_size / 2); j++)
{
byte[] buffer1 = new byte[] { this.image_data[j * 2], this.image_data[(j * 2) + 1], this.image_data[j * 2], this.image_data[(j * 2) + 1] };
byte[] bytes = BitConverter.GetBytes((int)(BitConverter.ToInt32(buffer1, 0) >> 4));
this.image_data[j * 2] = bytes[0];
this.image_data[(j * 2) + 1] = bytes[1];
}
}
break;
}
for (int i = 0; i < (this.image_data_size / 2); i++)
{
byte num4 = this.image_data[i * 2];
this.image_data[i * 2] = this.image_data[(i * 2) + 1];
this.image_data[(i * 2) + 1] = num4;
}
break;
case 3:
for (int k = 0; k < (this.image_data_size / 3); k++)
{
byte num7 = this.image_data[k * 3];
this.image_data[k * 3] = this.image_data[(k * 3) + 2];
this.image_data[(k * 3) + 2] = num7;
}
this.dwFlags2 = 0x40;
this.dwRGBBitCount = 0x18;
this.dwRBitMask = 0xff0000;
this.dwGBitMask = 0xff00;
this.dwBBitMask = 0xff;
this.dwABitMask = 0;
return;
case 4:
for (int m = 0; m < (this.image_data_size / 4); m++)
{
byte num9 = this.image_data[m * 4];
this.image_data[m * 4] = this.image_data[(m * 4) + 2];
this.image_data[(m * 4) + 2] = num9;
}
this.dwFlags2 = 0x41;
this.dwRGBBitCount = 0x20;
this.dwRBitMask = 0xff0000;
this.dwGBitMask = 0xff00;
this.dwBBitMask = 0xff;
this.dwABitMask = -16777216;
return;
case 5:
for (int n = 0; n < (this.image_data_size / 4); n++)
{
byte num11 = this.image_data[n * 4];
byte num12 = this.image_data[(n * 4) + 1];
this.image_data[n * 4] = this.image_data[(n * 4) + 3];
this.image_data[(n * 4) + 1] = this.image_data[(n * 4) + 2];
this.image_data[(n * 4) + 2] = num12;
this.image_data[(n * 4) + 3] = num11;
}
this.dwFlags2 = 0x41;
this.dwRGBBitCount = 0x20;
this.dwRBitMask = 0xff0000;
this.dwGBitMask = 0xff00;
this.dwBBitMask = 0xff;
this.dwABitMask = -16777216;
return;
case 6:
case 8:
case 9:
case 11:
case 0x1c:
case 0x1d:
return;
case 7:
if (sourceFile.platform == 11)
{
for (int num13 = 0; num13 < (this.image_data_size / 2); num13++)
{
byte num14 = this.image_data[num13 * 2];
this.image_data[num13 * 2] = this.image_data[(num13 * 2) + 1];
this.image_data[(num13 * 2) + 1] = num14;
}
}
this.dwFlags2 = 0x40;
this.dwRGBBitCount = 0x10;
this.dwRBitMask = 0xf800;
this.dwGBitMask = 0x7e0;
this.dwBBitMask = 0x1f;
this.dwABitMask = 0;
return;
case 10:
if (sourceFile.platform == 11)
{
for (int num15 = 0; num15 < (this.image_data_size / 2); num15++)
{
byte num16 = this.image_data[num15 * 2];
this.image_data[num15 * 2] = this.image_data[(num15 * 2) + 1];
this.image_data[(num15 * 2) + 1] = num16;
}
}
if (this.m_MipMap)
{
this.dwPitchOrLinearSize = (this.m_Height * this.m_Width) / 2;
}
this.dwFlags2 = 4;
this.dwFourCC = 0x31545844;
this.dwRGBBitCount = 0;
this.dwRBitMask = 0;
this.dwGBitMask = 0;
this.dwBBitMask = 0;
this.dwABitMask = 0;
return;
case 12:
if (sourceFile.platform == 11)
{
for (int num17 = 0; num17 < (this.image_data_size / 2); num17++)
{
byte num18 = this.image_data[num17 * 2];
this.image_data[num17 * 2] = this.image_data[(num17 * 2) + 1];
this.image_data[(num17 * 2) + 1] = num18;
}
}
if (this.m_MipMap)
{
this.dwPitchOrLinearSize = (this.m_Height * this.m_Width) / 2;
}
this.dwFlags2 = 4;
this.dwFourCC = 0x35545844;
this.dwRGBBitCount = 0;
this.dwRBitMask = 0;
this.dwGBitMask = 0;
this.dwBBitMask = 0;
this.dwABitMask = 0;
return;
case 13:
for (int num19 = 0; num19 < (this.image_data_size / 2); num19++)
{
byte[] buffer3 = new byte[] { this.image_data[num19 * 2], this.image_data[(num19 * 2) + 1], this.image_data[num19 * 2], this.image_data[(num19 * 2) + 1] };
byte[] buffer2 = BitConverter.GetBytes((int)(BitConverter.ToInt32(buffer3, 0) >> 4));
this.image_data[num19 * 2] = buffer2[0];
this.image_data[(num19 * 2) + 1] = buffer2[1];
}
this.dwFlags2 = 0x41;
this.dwRGBBitCount = 0x10;
this.dwRBitMask = 0xf00;
this.dwGBitMask = 240;
this.dwBBitMask = 15;
this.dwABitMask = 0xf000;
return;
case 30:
this.pvrPixelFormat = 0L;
return;
case 0x1f:
this.pvrPixelFormat = 1L;
return;
case 0x20:
this.pvrPixelFormat = 2L;
return;
case 0x21:
this.pvrPixelFormat = 3L;
return;
case 0x22:
this.pvrPixelFormat = 0x16L;
return;
default:
return;
}
this.dwFlags2 = 0x41;
this.dwRGBBitCount = 0x10;
this.dwRBitMask = 0xf00;
this.dwGBitMask = 240;
this.dwBBitMask = 15;
this.dwABitMask = 0xf000;
return;
}
Label_0E7B:
switch (this.m_FilterMode)
{
case 0:
preloadData.InfoText = preloadData.InfoText + "\nFilter Mode: Point ";
break;
case 1:
preloadData.InfoText = preloadData.InfoText + "\nFilter Mode: Bilinear ";
break;
case 2:
preloadData.InfoText = preloadData.InfoText + "\nFilter Mode: Trilinear ";
break;
}
AssetPreloadData data = preloadData;
string[] textArray2 = new string[] { data.InfoText, "\nAnisotropic level: ", this.m_Aniso.ToString(), "\nMip map bias: ", this.m_MipBias.ToString() };
data.InfoText = string.Concat(textArray2);
switch (this.m_WrapMode)
{
case 0:
preloadData.InfoText = preloadData.InfoText + "\nWrap mode: Repeat";
break;
case 1:
preloadData.InfoText = preloadData.InfoText + "\nWrap mode: Clamp";
break;
}
}
public static void WriteFile(Unity_Studio.EndianStream stream, string file, int offset, int size, Ogg ogg)
{
// Write to disk
using (BinaryWriter writer = new BinaryWriter(File.Open(file, FileMode.Create)))
{
// Only support header CRC 3605052372 for now
OggVorbisHeader head = new OggVorbisHeader();
HeaderPacketBuilder hpb = new HeaderPacketBuilder();
CodecSetup cSetup = new CodecSetup(null);
cSetup.BlockSizes[0] = 256;
cSetup.BlockSizes[1] = 2048;
VorbisInfo info = new VorbisInfo(cSetup, (int)ogg.channels, (int)ogg.frequency, 0);
OggPacket headerInfo = hpb.BuildInfoPacket(info);
Comments comments = new Comments();
if (ogg.loopStart > 0 && ogg.loopEnd > 0)
{
comments.AddTag("LOOP_START", ogg.loopStart.ToString());
comments.AddTag("LOOP_END", ogg.loopEnd.ToString());
}
OggPacket headerComment = hpb.BuildCommentsPacket(comments);
OggPacket headerSetup = new OggPacket(OggVorbisHeader.GetHeader(ogg.crc32), false, 0, 2);
OggStream output = new OggStream(1);
output.PacketIn(headerInfo);
output.PacketIn(headerComment);
output.PacketIn(headerSetup);
stream.Position = offset;
UInt16 packetSize = stream.ReadUInt16();
int prevPacketNo = 2;
int prevGranulePos = 0;
while (packetSize > 0)
{
OggPacket packet = new OggPacket(stream.ReadBytes(packetSize), false, 0, prevPacketNo + 1);
byte firstByte = packet.PacketData[0];
// OK for stereo
int granuleSize = 128;
if ((firstByte & 2) != 0)
{
granuleSize = 1024;
}
if (ogg.channels == 1)
{
granuleSize /= 4;
}
packet.GranulePosition = prevGranulePos + granuleSize;
if (stream.Position + 2 < offset + size)
{
packetSize = stream.ReadUInt16();
}
else
{
packetSize = 0;
}
packet.EndOfStream = packetSize == 0;
prevGranulePos = packet.GranulePosition;
prevPacketNo = packet.PacketNumber;
output.PacketIn(packet);
OggPage page = null;
if (output.PageOut(out page, true))
{
writer.Write(page.Header);
writer.Write(page.Body);
}
}
//float vorbis_quality = ((ogg.quality - 1) + (ogg.quality - 100) * 0.1f) / 99.0f;
//VorbisInfo.InitVariableBitRate(ogg.channels, ogg.frequency, ogg.)
//writer.Write();
writer.Close();
}
}
private void ReadFormat6(EndianStream b_Stream, bool padding = false)
{
var bundleSize = b_Stream.ReadInt64();
int compressedSize = b_Stream.ReadInt32();
int uncompressedSize = b_Stream.ReadInt32();
int flag = b_Stream.ReadInt32();
if (padding)
{
b_Stream.ReadByte();
}
byte[] blocksInfoBytes;
if ((flag & 0x80) != 0)//at end of file
{
var position = b_Stream.Position;
b_Stream.Position = b_Stream.BaseStream.Length - compressedSize;
blocksInfoBytes = b_Stream.ReadBytes(compressedSize);
b_Stream.Position = position;
}
else
{
blocksInfoBytes = b_Stream.ReadBytes(compressedSize);
}
EndianStream blocksInfo;
switch (flag & 0x3F)
{
default: //None
{
blocksInfo = new EndianStream(new MemoryStream(blocksInfoBytes), EndianType.BigEndian);
break;
}
case 1: //LZMA
{
blocksInfo = new EndianStream(SevenZipHelper.StreamDecompress(new MemoryStream(blocksInfoBytes)), EndianType.BigEndian);
break;
}
case 2: //LZ4
case 3: //LZ4HC
{
byte[] uncompressedBytes = new byte[uncompressedSize];
using (var mstream = new MemoryStream(blocksInfoBytes))
{
var decoder = new Lz4DecoderStream(mstream);
decoder.Read(uncompressedBytes, 0, uncompressedSize);
decoder.Dispose();
}
blocksInfo = new EndianStream(new MemoryStream(uncompressedBytes), EndianType.BigEndian);
break;
}
//case 4:LZHAM?
}
using (blocksInfo)
{
blocksInfo.Position = 0x10;
int blockcount = blocksInfo.ReadInt32();
EndianStream assetsData;
var assetsDataStream = new MemoryStream();
for (int i = 0; i < blockcount; i++)
{
uncompressedSize = blocksInfo.ReadInt32();
compressedSize = blocksInfo.ReadInt32();
flag = blocksInfo.ReadInt16();
var compressedBytes = b_Stream.ReadBytes(compressedSize);
switch (flag & 0x3F)
{
default: //None
{
assetsDataStream.Write(compressedBytes, 0, compressedSize);
break;
}
case 1: //LZMA
{
var uncompressedBytes = new byte[uncompressedSize];
using (var mstream = new MemoryStream(compressedBytes))
{
var decoder = SevenZipHelper.StreamDecompress(mstream, uncompressedSize);
decoder.Read(uncompressedBytes, 0, uncompressedSize);
decoder.Dispose();
}
assetsDataStream.Write(uncompressedBytes, 0, uncompressedSize);
break;
}
case 2: //LZ4
case 3: //LZ4HC
{
var uncompressedBytes = new byte[uncompressedSize];
using (var mstream = new MemoryStream(compressedBytes))
{
var decoder = new Lz4DecoderStream(mstream);
decoder.Read(uncompressedBytes, 0, uncompressedSize);
decoder.Dispose();
}
assetsDataStream.Write(uncompressedBytes, 0, uncompressedSize);
break;
}
//case 4:LZHAM?
}
}
assetsData = new EndianStream(assetsDataStream, EndianType.BigEndian);
using (assetsData)
{
var entryinfo_count = blocksInfo.ReadInt32();
for (int i = 0; i < entryinfo_count; i++)
{
var memFile = new MemoryAssetsFile();
var entryinfo_offset = blocksInfo.ReadInt64();
var entryinfo_size = blocksInfo.ReadInt64();
var unknown = blocksInfo.ReadInt32();
memFile.fileName = blocksInfo.ReadStringToNull();
assetsData.Position = entryinfo_offset;
var buffer = new byte[entryinfo_size];
assetsData.Read(buffer, 0, (int)entryinfo_size);
memFile.memStream = new MemoryStream(buffer);
MemoryAssetsFileList.Add(memFile);
}
}
}
}
public static void Write(byte[] data, string file)
{
Unity_Studio.EndianStream stream = new Unity_Studio.EndianStream(new System.IO.MemoryStream(data), Unity_Studio.EndianType.LittleEndian);
// Because constructor is broken
stream.endian = Unity_Studio.EndianType.LittleEndian;
string magic = stream.ReadASCII(4);
if (!magic.Equals("FSB5"))
{
return;
}
uint version = stream.ReadUInt32();
uint numSamples = stream.ReadUInt32();
uint sampleHeadersSize = stream.ReadUInt32();
uint nameTableSize = stream.ReadUInt32();
uint dataSize = stream.ReadUInt32();
uint mode = stream.ReadUInt32();
string zero = stream.ReadASCII(8);
string hash = stream.ReadASCII(16);
string dummy = stream.ReadASCII(8);
long nameOffset = stream.Position + sampleHeadersSize;
long baseOffset = nameOffset + nameTableSize;
// Only support Vorbis
if (mode != (int)FSBAudioFormat.FMOD_SOUND_FORMAT_VORBIS)
{
return;
}
for (int i = 0; i < numSamples; i++)
{
Ogg ogg = new Ogg();
uint offset = stream.ReadUInt32();
bool extraHeaders = (offset & 0x01) != 0;
uint type = offset & ((1 << 7) - 1);
offset = (offset >> 7) * 0x20;
ogg.channels = (type >> 5) + 1;
ogg.frequency = 44100;
switch ((type >> 1) & ((1 << 4) - 1))
{
case 0: ogg.frequency = 4000; break;
case 1: ogg.frequency = 8000; break;
case 2: ogg.frequency = 11000; break;
case 3: ogg.frequency = 12000; break;
case 4: ogg.frequency = 16000; break;
case 5: ogg.frequency = 22050; break;
case 6: ogg.frequency = 24000; break;
case 7: ogg.frequency = 32000; break;
case 8: ogg.frequency = 44100; break;
case 9: ogg.frequency = 48000; break;
case 10: ogg.frequency = 96000; break;
default: ogg.frequency = 44100; break;
}
uint unknown = stream.ReadUInt32() >> 2;
while (extraHeaders)
{
byte dataByte = stream.ReadByte();
extraHeaders = (dataByte & 0x01) != 0;
long extraLen = dataByte >> 1;
extraLen += stream.ReadByte() << 7;
extraLen += stream.ReadByte() << 15;
dataByte = stream.ReadByte();
if (dataByte == 0x02)
{
ogg.channels = stream.ReadByte();
extraLen -= 1;
}
if (dataByte == 0x04)
{
ogg.frequency = stream.ReadUInt32();
extraLen -= 4;
}
if (dataByte == 0x06)
{
ogg.loopStart = stream.ReadUInt32();
ogg.loopEnd = stream.ReadUInt32();
extraLen -= 8;
}
if (dataByte == 0x16)
{
ogg.crc32 = stream.ReadUInt32();
extraLen -= 4;
}
stream.Position += extraLen;
}
long nextFilePos = stream.Position;
long size = stream.ReadUInt32();
if (size == 0)
{
size = dataSize + baseOffset;
}
else
{
size = ((size >> 7) * 0x20) + baseOffset;
}
if (size < 0 || size > data.Length)
{
size = data.Length;
}
long fileOffset = baseOffset + offset;
size -= fileOffset;
if (i == 0)
{
WriteFile(stream, file, (int)fileOffset, (int)size, ogg);
}
else
{
WriteFile(stream, file + i, (int)fileOffset, (int)size, ogg);
}
stream.Position = nextFilePos;
}
stream.Dispose(true);
}
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 Unity version!", "Unity Studio 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 = "Unity 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;
}
}
asset.TypeString = asset.Type2.ToString();
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 unity 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 static void Read(StringBuilder sb, List <ClassMember> members, EndianStream a_Stream)
{
for (int i = 0; i < members.Count; i++)
{
var member = members[i];
var level = member.Level;
var varTypeStr = member.Type;
var varNameStr = member.Name;
object value = null;
var align = (member.Flag & 0x4000) != 0;
var append = true;
if (varTypeStr == "SInt8")//sbyte
{
value = a_Stream.ReadSByte();
}
else if (varTypeStr == "UInt8")//byte
{
value = a_Stream.ReadByte();
}
else if (varTypeStr == "short" || varTypeStr == "SInt16")//Int16
{
value = a_Stream.ReadInt16();
}
else if (varTypeStr == "UInt16" || varTypeStr == "unsigned short")//UInt16
{
value = a_Stream.ReadUInt16();
}
else if (varTypeStr == "int" || varTypeStr == "SInt32")//Int32
{
value = a_Stream.ReadInt32();
}
else if (varTypeStr == "UInt32" || varTypeStr == "unsigned int")//UInt32
{
value = a_Stream.ReadUInt32();
}
else if (varTypeStr == "long long" || varTypeStr == "SInt64")//Int64
{
value = a_Stream.ReadInt64();
}
else if (varTypeStr == "UInt64" || varTypeStr == "unsigned long long")//UInt64
{
value = a_Stream.ReadUInt64();
}
else if (varTypeStr == "float")//float
{
value = a_Stream.ReadSingle();
}
else if (varTypeStr == "double")//double
{
value = a_Stream.ReadDouble();
}
else if (varTypeStr == "bool")//bool
{
value = a_Stream.ReadBoolean();
}
else if (varTypeStr == "string")//string
{
append = false;
var str = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
sb.AppendFormat("{0}{1} {2} = \"{3}\"\r\n", (new string('\t', level)), varTypeStr, varNameStr, str);
i += 3; //skip
}
else if (varTypeStr == "Array") //Array
{
append = false;
if ((members[i - 1].Flag & 0x4000) != 0)
{
align = true;
}
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
var size = a_Stream.ReadInt32();
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size);
var array = ReadArray(members, level, i);
for (int j = 0; j < size; j++)
{
sb.AppendFormat("{0}[{1}]\r\n", (new string('\t', level + 1)), j);
Read(sb, array, a_Stream);
}
i += array.Count + 1;//skip
}
else
{
append = false;
align = false;
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
}
if (append)
{
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), varTypeStr, varNameStr, value);
}
if (align)
{
a_Stream.AlignStream(4);
}
}
}
