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(PakOpener): sanity checks.

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This commit is contained in:
morkt 2015-08-01 18:32:42 +04:00
parent 1fc106c51a
commit ea245a054d
1 changed files with 9 additions and 5 deletions
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14
ArcFormats/ArcHED.cs
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@ -50,7 +50,7 @@ namespace GameRes.Formats.Elf
public override ArcFile TryOpen (ArcView file)
{
string pak_name = Path.ChangeExtension (file.Name, "pak");
if (!File.Exists (pak_name))
if (pak_name == file.Name || !File.Exists (pak_name))
return null;
var file_map = GetFileMap (pak_name);
if (null == file_map)
@ -66,16 +66,16 @@ namespace GameRes.Formats.Elf
return null;
List<Entry> dir;
if ("cg" == base_name)
dir = ReadCgPak (pak, file_map);
dir = ReadCgPak (pak, file, file_map);
else
dir = ReadVoicePak (pak, file_map);
dir = ReadVoicePak (pak, file, file_map);
if (null == dir)
return null;
return new ArcFile (file, this, dir);
}
}
List<Entry> ReadCgPak (ArcView pak, List<string> file_map)
List<Entry> ReadCgPak (ArcView pak, ArcView bin, List<string> file_map)
{
uint index_offset = 8;
uint index_size = (uint)file_map.Count * 8u;
@ -87,13 +87,15 @@ namespace GameRes.Formats.Elf
var entry = FormatCatalog.Instance.CreateEntry (file_map[i]);
entry.Offset = pak.View.ReadUInt32 (index_offset);
entry.Size = pak.View.ReadUInt32 (index_offset + 4);
if (!entry.CheckPlacement (bin.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
return dir;
}
List<Entry> ReadVoicePak (ArcView pak, List<string> file_map)
List<Entry> ReadVoicePak (ArcView pak, ArcView bin, List<string> file_map)
{
uint index_offset = 8;
uint index_size = (uint)file_map.Count * 0x18u;
@ -105,6 +107,8 @@ namespace GameRes.Formats.Elf
var entry = FormatCatalog.Instance.CreateEntry (file_map[i]);
entry.Offset = pak.View.ReadUInt32 (index_offset);
entry.Size = pak.View.ReadUInt32 (index_offset + 4);
if (!entry.CheckPlacement (bin.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x18;
}