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(TcdOpener): rearranged OpenEntry.

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This commit is contained in:
morkt 2016-09-26 14:04:41 +04:00
parent 0faa25b356
commit a244509039
1 changed files with 30 additions and 29 deletions
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59
ArcFormats/TopCat/ArcTCD3.cs
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@ -115,24 +115,20 @@ namespace GameRes.Formats.TopCat
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var tcde = entry as TcdEntry;
var tcda = arc as TcdArchive;
if (null == tcde || null == tcda)
return arc.File.CreateStream (entry.Offset, entry.Size);
if (entry.Name.EndsWith (".SPD", StringComparison.InvariantCultureIgnoreCase))
return OpenSpdc (tcda, tcde);
if (entry.Name.EndsWith (".OGG", StringComparison.InvariantCultureIgnoreCase))
return RestoreOggStream (arc, entry);
if (entry.Name.EndsWith (".TSF", StringComparison.InvariantCultureIgnoreCase) ||
entry.Name.EndsWith (".TCT", StringComparison.InvariantCultureIgnoreCase))
return OpenScript (tcda, tcde);
return OpenScript (arc, entry);
if (entry.Name.EndsWith (".SPD", StringComparison.InvariantCultureIgnoreCase))
return OpenSpdc (arc, entry);
return arc.File.CreateStream (entry.Offset, entry.Size);
}
Stream OpenSpdc (TcdArchive arc, TcdEntry entry)
Stream OpenSpdc (ArcFile arc, Entry entry)
{
int signature = arc.File.View.ReadInt32 (entry.Offset);
if (0x43445053 == signature || entry.Size <= 0x14) // 'SPDC'
if (0x43445053 == signature || 0x38445053 == signature || entry.Size <= 0x14)
return arc.File.CreateStream (entry.Offset, entry.Size);
var header = arc.File.View.ReadBytes (entry.Offset, 0x14);
@ -145,32 +141,37 @@ namespace GameRes.Formats.TopCat
if (!spdc_entry)
{
LittleEndian.Pack (signature, header, 0);
if (null == arc.Key)
var tcde = entry as TcdEntry;
var tcda = arc as TcdArchive;
if (tcda != null && tcde != null)
{
foreach (var key in TcdOpener.KnownKeys.Values)
if (null == tcda.Key)
{
int first = signature + key * (entry.Index + 3);
if (0x43445053 == first) // 'SPDC'
foreach (var key in TcdOpener.KnownKeys.Values)
{
arc.Key = key;
spdc_entry = true;
break;
int first = signature + key * (tcde.Index + 3);
if (0x43445053 == first) // 'SPDC'
{
tcda.Key = key;
spdc_entry = true;
break;
}
}
}
}
else if (0x43445053 == (signature + arc.Key.Value * (entry.Index + 3)))
{
spdc_entry = true;
}
if (spdc_entry && 0 != arc.Key.Value)
{
unsafe
else if (0x43445053 == (signature + tcda.Key.Value * (tcde.Index + 3)))
{
fixed (byte* raw = header)
spdc_entry = true;
}
if (spdc_entry && 0 != tcda.Key.Value)
{
unsafe
{
int* dw = (int*)raw;
for (int i = 0; i < 5; ++i)
dw[i] += arc.Key.Value * (entry.Index + 3 + i);
fixed (byte* raw = header)
{
int* dw = (int*)raw;
for (int i = 0; i < 5; ++i)
dw[i] += tcda.Key.Value * (tcde.Index + 3 + i);
}
}
}
}
@ -179,7 +180,7 @@ namespace GameRes.Formats.TopCat
return new PrefixStream (header, rest);
}
Stream OpenScript (TcdArchive arc, TcdEntry entry)
Stream OpenScript (ArcFile arc, Entry entry)
{
int unpacked_size = arc.File.View.ReadInt32 (entry.Offset);
byte[] data = new byte[unpacked_size];