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(TTD): detect index entry size.

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This commit is contained in:
morkt 2018-09-27 18:30:10 +04:00
parent 6fc7c95a5c
commit a3addf7420
1 changed files with 10 additions and 4 deletions
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14
Legacy/Melonpan/ArcTTD.cs
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@ -28,6 +28,7 @@ using System.ComponentModel.Composition;
using System.IO;
using GameRes.Compression;
// [021220][Aias] Stitch -Kakechigaeta Button-
// [030829][Melonpan] Himawari no Natsu ~Boku ga Eranda Ashita~
namespace GameRes.Formats.Melonpan
@ -46,20 +47,25 @@ namespace GameRes.Formats.Melonpan
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint index_offset = 12;
int index_offset = 12;
int first_offset = file.View.ReadInt32 (index_offset+4);
int name_length = (first_offset - index_offset) / count - 0xC;
if (name_length < 8)
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (index_offset);
uint offset = file.View.ReadUInt32 (index_offset+4);
var name = file.View.ReadString (index_offset+0xC, 0x20);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
index_offset += 0xC;
var name = file.View.ReadString (index_offset, (uint)name_length);
var entry = Create<PackedEntry> (name);
entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x2C;
index_offset += name_length;
}
return new ArcFile (file, this, dir);
}