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(RctFormat): apply mask if accompanying file is present.

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This commit is contained in:
morkt 2016-08-02 18:18:04 +04:00
parent f049441cb7
commit 6e0a0a612f
1 changed files with 48 additions and 1 deletions
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49
ArcFormats/Majiro/ImageRCT.cs
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@ -65,6 +65,7 @@ namespace GameRes.Formats.Majiro
public override uint Signature { get { return 0x9a925a98; } } public override uint Signature { get { return 0x9a925a98; } }
public bool OverlayFrames = true; public bool OverlayFrames = true;
public bool ApplyMask = true;
public static Dictionary<string, string> KnownKeys = new Dictionary<string, string>(); public static Dictionary<string, string> KnownKeys = new Dictionary<string, string>();
@ -135,9 +136,55 @@ namespace GameRes.Formats.Majiro
var pixels = ReadPixelsData (file, meta); var pixels = ReadPixelsData (file, meta);
if (base_image != null) if (base_image != null)
pixels = CombineImage (base_image, pixels); pixels = CombineImage (base_image, pixels);
if (ApplyMask)
{
var base_name = Path.GetFileNameWithoutExtension (meta.FileName);
var mask_name = base_name + "_.rc8";
mask_name = VFS.CombinePath (VFS.GetDirectoryName (meta.FileName), mask_name);
if (VFS.FileExists (mask_name))
{
try
{
return ApplyMaskToImage (meta, pixels, mask_name);
}
catch { /* ignore mask read errors */ }
}
}
return ImageData.Create (meta, PixelFormats.Bgr24, null, pixels, (int)meta.Width*3); return ImageData.Create (meta, PixelFormats.Bgr24, null, pixels, (int)meta.Width*3);
} }
ImageData ApplyMaskToImage (RctMetaData info, byte[] image, string mask_name)
{
using (var mask_file = VFS.OpenSeekableStream (mask_name))
{
var format = FindFormat (mask_file, mask_name);
if (null == format || !(format.Item1 is Rc8Format)
|| info.Width != format.Item2.Width || info.Height != format.Item2.Height)
throw new InvalidFormatException();
using (var reader = new Rc8Format.Reader (mask_file, format.Item2))
{
reader.Unpack();
var palette = reader.Palette;
int dst_stride = (int)info.Width * 4;
var pixels = new byte[dst_stride * (int)info.Height];
var alpha = reader.Data;
int a_src = 0;
int src = 0;
for (int dst = 0; dst < pixels.Length; dst += 4)
{
pixels[dst ] = image[src++];
pixels[dst+1] = image[src++];
pixels[dst+2] = image[src++];
var color = palette[alpha[a_src++]];
pixels[dst+3] = (byte)~((color.B + color.G + color.R) / 3);
}
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, dst_stride);
}
}
}
byte[] CombineImage (byte[] base_image, byte[] overlay) byte[] CombineImage (byte[] base_image, byte[] overlay)
{ {
for (int i = 2; i < base_image.Length; i += 3) for (int i = 2; i < base_image.Length; i += 3)
@ -607,7 +654,6 @@ namespace GameRes.Formats.Majiro
public override ImageData Read (Stream file, ImageMetaData info) public override ImageData Read (Stream file, ImageMetaData info)
{ {
file.Position = 0x14;
using (var reader = new Reader (file, info)) using (var reader = new Reader (file, info))
{ {
reader.Unpack(); reader.Unpack();
@ -634,6 +680,7 @@ namespace GameRes.Formats.Majiro
public Reader (Stream file, ImageMetaData info) public Reader (Stream file, ImageMetaData info)
{ {
m_width = info.Width; m_width = info.Width;
file.Position = 0x14;
var palette_data = new byte[0x300]; var palette_data = new byte[0x300];
if (palette_data.Length != file.Read (palette_data, 0, palette_data.Length)) if (palette_data.Length != file.Read (palette_data, 0, palette_data.Length))
throw new InvalidFormatException(); throw new InvalidFormatException();