104 lines
3.0 KiB
C#
104 lines
3.0 KiB
C#
using System;
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using System.IO;
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namespace AssetStudio
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{
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public class ObjectReader : EndianBinaryReader
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{
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public SerializedFile assetsFile;
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public Game Game;
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public long m_PathID;
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public long byteStart;
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public uint byteSize;
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public ClassIDType type;
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public SerializedType serializedType;
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public BuildTarget platform;
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public SerializedFileFormatVersion m_Version;
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public int[] version => assetsFile.version;
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public BuildType buildType => assetsFile.buildType;
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public ObjectReader(EndianBinaryReader reader, SerializedFile assetsFile, ObjectInfo objectInfo, Game game) : base(reader.BaseStream, reader.Endian)
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{
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this.assetsFile = assetsFile;
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Game = game;
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m_PathID = objectInfo.m_PathID;
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byteStart = objectInfo.byteStart;
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byteSize = objectInfo.byteSize;
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if (Enum.IsDefined(typeof(ClassIDType), objectInfo.classID))
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{
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type = (ClassIDType)objectInfo.classID;
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}
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else
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{
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type = ClassIDType.UnknownType;
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}
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serializedType = objectInfo.serializedType;
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platform = assetsFile.m_TargetPlatform;
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m_Version = assetsFile.header.m_Version;
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Logger.Verbose($"Initialized reader for {type} object with {m_PathID} in file {assetsFile.fileName} !!");
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}
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public override int Read(byte[] buffer, int index, int count)
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{
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var pos = Position - byteStart;
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if (pos + count > byteSize)
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{
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throw new EndOfStreamException("Unable to read beyond the end of the stream.");
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}
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return base.Read(buffer, index, count);
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}
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public void Reset()
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{
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Logger.Verbose($"Resetting reader position to object offset 0x{byteStart:X8}...");
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Position = byteStart;
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}
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public Vector3 ReadVector3()
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{
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if (version[0] > 5 || (version[0] == 5 && version[1] >= 4))
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{
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return new Vector3(ReadSingle(), ReadSingle(), ReadSingle());
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}
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else
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{
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return new Vector4(ReadSingle(), ReadSingle(), ReadSingle(), ReadSingle());
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}
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}
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public XForm ReadXForm()
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{
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var t = ReadVector3();
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var q = ReadQuaternion();
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var s = ReadVector3();
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return new XForm(t, q, s);
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}
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public XForm ReadXForm4()
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{
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var t = ReadVector4();
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var q = ReadQuaternion();
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var s = ReadVector4();
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return new XForm(t, q, s);
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}
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public Vector3[] ReadVector3Array(int length = 0)
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{
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if (length == 0)
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{
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length = ReadInt32();
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}
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return ReadArray(ReadVector3, length);
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}
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public XForm[] ReadXFormArray()
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{
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return ReadArray(ReadXForm, ReadInt32());
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}
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}
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}
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