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implemented Majiro archives version 3.

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This commit is contained in:
morkt
2015-08-12 01:28:24 +04:00
parent 429ac63a30
commit 63e83447ff
2 changed files with 15 additions and 24 deletions
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33
ArcFormats/ArcMajiro.cs
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@@ -34,17 +34,6 @@ using GameRes.Utility;
namespace GameRes.Formats.Majiro
{
internal class MajiroArchive : ArcFile
{
public uint Key { get; private set; }
public MajiroArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, uint key)
: base (arc, impl, dir)
{
Key = key;
}
}
public class MajiroOptions : ResourceOptions
{
public uint Key { get; set; }
@@ -56,7 +45,7 @@ namespace GameRes.Formats.Majiro
{
public override string Tag { get { return "MAJIRO"; } }
public override string Description { get { return "Majiro game engine resource archive"; } }
public override uint Signature { get { return 0x696a614d; } }
public override uint Signature { get { return 0x696a614d; } } // 'Maji'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return true; } }
@@ -67,18 +56,15 @@ namespace GameRes.Formats.Majiro
public override ArcFile TryOpen (ArcView file)
{
int version;
if (file.View.AsciiEqual (0, "MajiroArcV1.000\0"))
version = 1;
else if (file.View.AsciiEqual (0, "MajiroArcV2.000\0"))
version = 2;
else
if (!file.View.AsciiEqual (4, "roArcV"))
return null;
int version = file.View.ReadByte (0xA) - '0';
if (version < 1 || version > 3 || !file.View.AsciiEqual (0xB, ".000\0"))
return null;
int count = file.View.ReadInt32 (16);
uint names_offset = file.View.ReadUInt32 (20);
uint data_offset = file.View.ReadUInt32 (24);
if (data_offset <= names_offset || count > 0xfffff || count < 0
|| data_offset >= file.MaxOffset)
if (data_offset <= names_offset || data_offset >= file.MaxOffset || !IsSaneCount (count))
return null;
int table_size = count + (1 == version ? 1 : 0);
int entry_size = 4 * (version + 1);
@@ -92,7 +78,8 @@ namespace GameRes.Formats.Majiro
file.View.Read (names_offset, names, 0, (uint)names_size);
int names_pos = 0;
int table_pos = 0x1c;
uint offset_next = file.View.ReadUInt32 (table_pos+4);
int hash_size = version < 3 ? 4 : 8;
uint offset_next = file.View.ReadUInt32 (table_pos+hash_size);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
@@ -105,13 +92,13 @@ namespace GameRes.Formats.Majiro
names_size -= name_len+1;
names_pos = zero+1;
uint offset = offset_next;
offset_next = file.View.ReadUInt32 (table_pos + entry_size + 4);
offset_next = file.View.ReadUInt32 (table_pos + entry_size + hash_size);
var entry = FormatCatalog.Instance.CreateEntry (name);
entry.Offset = offset;
if (1 == version)
entry.Size = offset_next >= offset ? offset_next - offset : 0;
else
entry.Size = file.View.ReadUInt32 (table_pos + 8);
entry.Size = file.View.ReadUInt32 (table_pos + hash_size + 4);
table_pos += entry_size;
if (offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
return null;