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(MCG): support images version 1.00

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This commit is contained in:
morkt 2018-12-23 14:30:30 +04:00
parent 761ec768b1
commit abac11dc43
1 changed files with 8 additions and 6 deletions
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14
ArcFormats/FC01/ImageMCG.cs
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@ -60,12 +60,14 @@ namespace GameRes.Formats.FC01
public override string Description { get { return "F&C Co. image format"; } } public override string Description { get { return "F&C Co. image format"; } }
public override uint Signature { get { return 0x2047434D; } } // 'MCG' public override uint Signature { get { return 0x2047434D; } } // 'MCG'
public static Dictionary<string, byte> KnownKeys = new Dictionary<string, byte>(); internal static Dictionary<string, byte> KnownKeys { get { return DefaultScheme.KnownKeys; } }
static McgScheme DefaultScheme = new McgScheme { KnownKeys = new Dictionary<string, byte>() };
public override ResourceScheme Scheme public override ResourceScheme Scheme
{ {
get { return new McgScheme { KnownKeys = KnownKeys }; } get { return DefaultScheme; }
set { KnownKeys = ((McgScheme)value).KnownKeys; } set { DefaultScheme = (McgScheme)value; }
} }
public override ImageMetaData ReadMetaData (IBinaryStream stream) public override ImageMetaData ReadMetaData (IBinaryStream stream)
@ -74,7 +76,7 @@ namespace GameRes.Formats.FC01
if (header[5] != '.') if (header[5] != '.')
return null; return null;
int version = header[4] * 100 + header[6] * 10 + header[7] - 0x14D0; int version = header[4] * 100 + header[6] * 10 + header[7] - 0x14D0;
if (version != 200 && version != 101) if (version != 200 && version != 101 && version != 100)
throw new NotSupportedException ("Not supported MCG format version"); throw new NotSupportedException ("Not supported MCG format version");
int header_size = header.ToInt32 (0x10); int header_size = header.ToInt32 (0x10);
if (header_size < 0x40) if (header_size < 0x40)
@ -173,7 +175,7 @@ namespace GameRes.Formats.FC01
m_pixels = m_width*m_height; m_pixels = m_width*m_height;
m_key = key; m_key = key;
Stride = m_width * m_info.BPP / 8; Stride = m_width * m_info.BPP / 8;
if (101 == m_info.Version) if (m_info.Version <= 101)
Stride = (Stride + 3) & -4; Stride = (Stride + 3) & -4;
if (24 == m_info.BPP) if (24 == m_info.BPP)
Format = PixelFormats.Bgr24; Format = PixelFormats.Bgr24;
@ -227,7 +229,7 @@ namespace GameRes.Formats.FC01
MrgOpener.Decrypt (m_input, 0, m_input.Length-1, m_key); MrgOpener.Decrypt (m_input, 0, m_input.Length-1, m_key);
} }
#if DEBUG #if DEBUG
else // bruteforce key *in debug build only* else if (101 == m_info.Version) // bruteforce key *in debug build only*
{ {
var copy = new byte[m_input.Length]; var copy = new byte[m_input.Length];
for (int key = 1; key < 256; ++key) for (int key = 1; key < 256; ++key)