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Merge pull request #167 from akiWagashi/master

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Add support for new Circus Voice.dat format
This commit is contained in:
Crsky
2026-03-01 15:08:28 +08:00
committed by GitHub
parent 3beec0e668 42d4c33a0b
commit 89aebd6ff0
1 changed files with 69 additions and 12 deletions
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81
ArcFormats/Circus/ArcCircus.cs
View File

@@ -47,20 +47,46 @@ namespace GameRes.Formats.Circus
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (0);
if (count <= 1 || count > 0xfffff)
return null;
var dir = ReadIndex (file, count, 0x24);
if (null == dir)
dir = ReadIndex (file, count, 0x30);
if (null == dir)
dir = ReadIndex (file, count, 0x3C);
if (null == dir)
return null;
return new ArcFile (file, this, dir);
var arcFile = TryOpenFromHeader(file);
if (null != arcFile)
{
return arcFile;
}
arcFile = TryOpenFromFooter(file);
return arcFile;
}
private List<Entry> ReadIndex (ArcView file, int count, int name_length)
public ArcFile TryOpenFromHeader(ArcView file)
{
int count = file.View.ReadInt32(0);
if (count <= 1 || count > 0xfffff)
return null;
var dir = ReadIndexV1(file, count, 0x24);
if (null == dir)
dir = ReadIndexV1(file, count, 0x30);
if (null == dir)
dir = ReadIndexV1(file, count, 0x3C);
if (null == dir)
return null;
return new ArcFile(file, this, dir);
}
public ArcFile TryOpenFromFooter(ArcView file)
{
int count = file.View.ReadInt32(file.MaxOffset - 4);
if(count <= 1 || count > 0xfffff)
{
return null;
}
var dir = ReadIndexV2(file, count, file.View.ReadInt32(file.MaxOffset - 0x8));
return new ArcFile(file, this, dir);
}
private List<Entry> ReadIndexV1 (ArcView file, int count, int name_length)
{
long index_offset = 4;
uint index_size = (uint)((name_length + 4) * count);
@@ -98,5 +124,36 @@ namespace GameRes.Formats.Circus
}
return dir;
}
private List<Entry> ReadIndexV2(ArcView file, int count, long start_offset)
{
uint max_index_size = (uint)(count * 0x4C);
long index_offset = start_offset;
var dir = new List<Entry> (count);
file.View.Reserve(start_offset, max_index_size);
for (int i = 0; i < count; i++)
{
int name_length = file.View.ReadByte(index_offset);
index_offset++;
string name = file.View.ReadString(index_offset, (uint)name_length);
index_offset += name_length;
uint entry_size = file.View.ReadUInt32(index_offset);
index_offset += 8;
long entry_offset = file.View.ReadInt32(index_offset);
index_offset += 4;
var entry = FormatCatalog.Instance.Create<Entry>(name);
entry.Size = entry_size;
entry.Offset = entry_offset;
dir.Add(entry);
}
return dir;
}
}
}