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(GRP): reworked file type detection.

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This commit is contained in:
morkt 2018-06-19 14:09:47 +04:00
parent 4981ed2252
commit f215b8d5d3
1 changed files with 25 additions and 13 deletions
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38
ArcFormats/Ankh/ArcGRP.cs
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@ -42,7 +42,7 @@ namespace GameRes.Formats.Ankh
public GrpOpener ()
{
Extensions = new string[] { "grp", "bin" };
Extensions = new string[] { "grp", "bin", "dat", "vc" };
}
public override ArcFile TryOpen (ArcView file)
@ -83,13 +83,15 @@ namespace GameRes.Formats.Ankh
void DetectFileTypes (ArcView file, List<Entry> dir)
{
var header = new byte[16];
foreach (PackedEntry entry in dir)
{
if (entry.Size <= 8)
continue;
if (file.View.AsciiEqual (entry.Offset, "TPW"))
file.View.Read (entry.Offset, header, 0, 16);
if (header.AsciiEqual ("TPW"))
{
entry.IsPacked = file.View.ReadByte (entry.Offset+3) != 0;
entry.IsPacked =header[3] != 0;
long start_offset = entry.Offset+4;
if (entry.IsPacked)
{
@ -104,40 +106,48 @@ namespace GameRes.Formats.Ankh
if (file.View.AsciiEqual (start_offset, "BM"))
entry.ChangeType (ImageFormat.Bmp);
}
else if (file.View.AsciiEqual (entry.Offset+4, "HDJ\0"))
else if (header.AsciiEqual (4, "HDJ\0"))
{
if (file.View.AsciiEqual (entry.Offset+12, "BM"))
if (header.AsciiEqual (12, "BM"))
entry.ChangeType (ImageFormat.Bmp);
else if (file.View.AsciiEqual (entry.Offset+12, "MThd"))
else if (header.AsciiEqual (12, "MThd"))
entry.Name = Path.ChangeExtension (entry.Name, "mid");
entry.UnpackedSize = file.View.ReadUInt32 (entry.Offset);
entry.UnpackedSize = header.ToUInt32 (0);
entry.IsPacked = true;
}
else if (file.View.AsciiEqual (entry.Offset+4, "OggS"))
else if (header.AsciiEqual (4, "OggS"))
{
entry.ChangeType (OggAudio.Instance);
entry.Offset += 4;
entry.Size -= 4;
}
else if (entry.Size > 12 && file.View.AsciiEqual (entry.Offset+8, "RIFF"))
else if (entry.Size > 12 && header.AsciiEqual (8, "RIFF"))
{
entry.ChangeType (AudioFormat.Wav);
entry.UnpackedSize = file.View.ReadUInt32 (entry.Offset);
entry.UnpackedSize = header.ToUInt32 (0);
entry.IsPacked = true;
}
else if (file.View.AsciiEqual (entry.Offset, "BM"))
else if (header.AsciiEqual ("BM"))
{
entry.ChangeType (ImageFormat.Bmp);
}
else if (file.View.AsciiEqual (entry.Offset, "RIFF"))
else if (header.AsciiEqual ("RIFF"))
{
entry.ChangeType (AudioFormat.Wav);
}
else if (file.View.AsciiEqual (entry.Offset, "\x89PNG"))
else if (header.AsciiEqual ("\x89PNG"))
{
entry.ChangeType (ImageFormat.Png);
}
else if (header.ToUInt32 (0) == 0xE0FFD8FF)
{
entry.ChangeType (ImageFormat.Jpeg);
}
else if (header.ToUInt16 (0) == 0xFBFF)
{
entry.ChangeType (Mp3Format.Value);
}
else if (entry.Size > 0x16 && IsAudioEntry (file, entry))
{
entry.Type = "audio";
@ -145,6 +155,8 @@ namespace GameRes.Formats.Ankh
}
}
internal static ResourceInstance<AudioFormat> Mp3Format = new ResourceInstance<AudioFormat> ("MP3");
bool IsAudioEntry (ArcView file, Entry entry)
{
uint signature = file.View.ReadUInt32 (entry.Offset);