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add support of PSV mpk

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This commit is contained in:
ManicSteiner 2023-11-29 23:01:54 +08:00
parent 66dde11935
commit 4a81140a2c
1 changed files with 32 additions and 11 deletions
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43
ArcFormats/NitroPlus/ArcMPK.cs
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@ -39,22 +39,43 @@ namespace GameRes.Formats.NitroPlus
public override ArcFile TryOpen (ArcView file)
{
uint version_temp = file.View.ReadUInt32 (4);
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
uint index_offset = 0x48;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
uint index_offset = 0;
if (version_temp == 65536)
{
var name = file.View.ReadString (index_offset+0x18, 0xE0);
var entry = Create<PackedEntry> (name);
entry.Offset = file.View.ReadInt64 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+8);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x10);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x100;
index_offset = 0x44;
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset+0x1c, 0xE0);
var entry = Create<PackedEntry> (name);
entry.Offset = file.View.ReadInt32 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+4);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+8);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x100;
}
}
else
{
index_offset = 0x48;
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset+0x18, 0xE0);
var entry = Create<PackedEntry> (name);
entry.Offset = file.View.ReadInt64 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+8);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x10);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x100;
}
}
return new ArcFile (file, this, dir);
}