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Michael Hinrichs 2024-05-27 14:35:17 -05:00
commit b47662cab7
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BSD 2-Clause License
Copyright (c) 2024, MichaelHinrichs
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net5.0</TargetFramework>
<RootNamespace>Legends_of_Callasia_Extractor</RootNamespace>
</PropertyGroup>
</Project>

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.34407.143
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Legends-of-Callasia-Extractor", "Legends-of-Callasia-Extractor.csproj", "{FF15F9EE-2ABD-4465-AD6B-112D3A6B4771}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{FF15F9EE-2ABD-4465-AD6B-112D3A6B4771}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{FF15F9EE-2ABD-4465-AD6B-112D3A6B4771}.Debug|Any CPU.Build.0 = Debug|Any CPU
{FF15F9EE-2ABD-4465-AD6B-112D3A6B4771}.Release|Any CPU.ActiveCfg = Release|Any CPU
{FF15F9EE-2ABD-4465-AD6B-112D3A6B4771}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {32BF7558-5B66-4A8B-BCD7-DDA390126C29}
EndGlobalSection
EndGlobal

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using System.IO;
using System.IO.Compression;
namespace Legends_of_Callasia_Extractor
{
class Program
{
static void Main(string[] args)
{
BinaryReader br = new(File.OpenRead(args[0]));
if (new string(br.ReadChars(4)) != "CRAS")
throw new System.Exception("This is not a Legends of Callasia arc file.");
int version = br.ReadInt32();//1
int fileCount = br.ReadInt32();
int tableStart = br.ReadInt32();
int tableSizeCompressed = br.ReadInt32();
int tableSizeUncompressed = br.ReadInt32();
int dataStart = br.ReadInt32();
int dataSizeCompressed = br.ReadInt32();
int dataSizeUncompressed = br.ReadInt32();
br.BaseStream.Position = dataStart;
MemoryStream fileData = new();
BinaryWriter bw = new(fileData);
bw.Write(br.ReadBytes(dataSizeCompressed));
br.BaseStream.Position = tableStart;
MemoryStream fileTable = new();
br.ReadInt16();
using (var ds = new DeflateStream(new MemoryStream(br.ReadBytes(tableSizeCompressed - 2)), CompressionMode.Decompress))
ds.CopyTo(fileTable);
br.Close();
BinaryReader data = new(fileData);
BinaryReader table = new(fileTable);
table.BaseStream.Position = 0;
string path = Path.GetDirectoryName(args[0]) + "\\" + Path.GetFileNameWithoutExtension(args[0]) + "\\";
for (int i = 0; i < fileCount; i++)
{
string name = new string(table.ReadChars(256)).TrimEnd('\0');
int start = table.ReadInt32() - dataStart;
int sizeCompressed = table.ReadInt32();
table.ReadInt32();
int sizeUncompressed = table.ReadInt32();
int isCompressed = table.ReadInt32();
data.BaseStream.Position = start;
Directory.CreateDirectory(path + Path.GetDirectoryName(name));
if (isCompressed == 1)
{
data.ReadInt16();
using (var ds = new DeflateStream(new MemoryStream(data.ReadBytes(sizeCompressed - 2)), CompressionMode.Decompress))
ds.CopyTo(File.Create(path + name));
}
else if (isCompressed == 2)
{
bw = new(File.Create(path + name));
bw.Write(data.ReadBytes(sizeUncompressed));
bw.Close();
}
}
}
}
}

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# Legends of Callasia Extractor
A tool to extract from ARC files found int the game [Legends of Callasia](https://store.steampowered.com/app/438920).