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(DwqFormat): added 'IF PACKTYPE==' format variation.

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This commit is contained in:
morkt 2015-11-18 01:34:09 +04:00
parent 2eea046139
commit ce7cd94814
1 changed files with 39 additions and 12 deletions
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51
ArcFormats/BlackCyc/ImageDWQ.cs
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@ -84,6 +84,7 @@ namespace GameRes.Formats.BlackCyc
0x20474E50, // PNG
0x4B434150, // PACKBMP
0x2B504D42, // BMP+MASK
0x50204649, // IF PACKTYPE==0 CUT THIS 64 BYTETHEN REMAKE BMP
};
}
@ -92,6 +93,29 @@ namespace GameRes.Formats.BlackCyc
var header = ResourceHeader.Read (stream);
if (null == header)
return null;
if (Binary.AsciiEqual (header.Bytes, "IF PACKTYPE=="))
{
if (!Binary.AsciiEqual (header.Bytes, 0x0D, "0 ") ||
!Binary.AsciiEqual (header.Bytes, 0x2C, "BMP ") ||
header.PackType != 0)
return null;
using (var bmp = new StreamRegion (stream, 0x40, true))
{
var info = Bmp.ReadMetaData (bmp);
if (null == info)
return null;
return new DwqMetaData
{
Width = info.Width,
Height = info.Height,
BPP = info.BPP,
BaseType = "BMP",
PackedSize = (int)(stream.Length-0x40),
PackType = header.PackType,
AType = header.AType,
};
}
}
int packed_size;
switch (header.PackType)
{
@ -165,21 +189,24 @@ namespace GameRes.Formats.BlackCyc
if (meta.AType)
{
int mask_offset = 0x40+meta.PackedSize;
using (var mask = new StreamRegion (stream, mask_offset, stream.Length-mask_offset, true))
if (mask_offset != stream.Length)
{
var reader = new DwqBmpReader (mask, meta);
if (8 == reader.Format.BitsPerPixel) // mask should be represented as 8bpp bitmap
using (var mask = new StreamRegion (stream, mask_offset, true))
{
reader.Unpack();
var alpha = reader.Data;
var palette = reader.Palette.Colors;
for (int i = 0; i < alpha.Length; ++i)
var reader = new DwqBmpReader (mask, meta);
if (8 == reader.Format.BitsPerPixel) // mask should be represented as 8bpp bitmap
{
var color = palette[alpha[i]];
int A = (color.R + color.G + color.B) / 3;
alpha[i] = (byte)A;
reader.Unpack();
var alpha = reader.Data;
var palette = reader.Palette.Colors;
for (int i = 0; i < alpha.Length; ++i)
{
var color = palette[alpha[i]];
int A = (color.R + color.G + color.B) / 3;
alpha[i] = (byte)A;
}
bitmap = ApplyAlphaChannel (bitmap, alpha);
}
bitmap = ApplyAlphaChannel (bitmap, alpha);
}
}
}
@ -281,7 +308,7 @@ namespace GameRes.Formats.BlackCyc
throw new InvalidFormatException();
int w = LittleEndian.ToInt32 (header, 0x12);
int h = LittleEndian.ToInt32 (header, 0x16);
if (w != m_width || h != m_height)
if (w != m_width || Math.Abs (h) != m_height)
throw new InvalidFormatException();
int bpp = LittleEndian.ToUInt16 (header, 0x1C);