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implemented TCD1 archives and SPD7 images.

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morkt
2018-01-23 15:38:52 +04:00
parent db4a6ebe48
commit 0425aa269e
4 changed files with 112 additions and 15 deletions
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33
ArcFormats/TopCat/ImageSPD.cs
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@@ -2,7 +2,7 @@
//! \date Thu Oct 08 16:25:55 2015
//! \brief TopCat compressed image.
//
// Copyright (C) 2015-2016 by morkt
// Copyright (C) 2015-2018 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@@ -36,7 +36,7 @@ namespace GameRes.Formats.TopCat
{
public Compression Method;
public uint UnpackedSize;
public bool IsSpd8;
public byte SpdType;
}
internal enum Compression
@@ -59,7 +59,7 @@ namespace GameRes.Formats.TopCat
public SpdFormat ()
{
Signatures = new uint[] { 0x43445053, 0x38445053 }; // 'SPD8'
Signatures = new uint[] { 0x43445053, 0x38445053, 0x37445053 }; // 'SPD8', 'SPD7'
}
public override ImageMetaData ReadMetaData (IBinaryStream stream)
@@ -80,7 +80,7 @@ namespace GameRes.Formats.TopCat
BPP = (int)(dw[1] >> 16),
Method = (Compression)(dw[1] & 0xFFFF),
UnpackedSize = dw[4],
IsSpd8 = header[3] == '8',
SpdType = header[3],
};
}
}
@@ -172,9 +172,16 @@ namespace GameRes.Formats.TopCat
UnpackLz();
var rgb = new byte[m_info.Height * m_info.Width * 4];
if (Compression.LzRle == m_info.Method || Compression.LzRle2 == m_info.Method)
UnpackRle (rgb);
else if (m_info.IsSpd8)
UnpackSpd8Alpha (rgb);
{
if ('7' == m_info.SpdType)
UnpackRle (rgb, 4, 0, 8);
else
UnpackRle (rgb, 0, 8, 12);
}
else if ('8' == m_info.SpdType)
UnpackSpdAlpha (rgb, 8);
else if ('7' == m_info.SpdType)
UnpackSpdAlpha (rgb, 4);
else
UnpackRleAlpha (rgb);
m_output = rgb;
@@ -220,11 +227,10 @@ namespace GameRes.Formats.TopCat
}
}
void UnpackRle (byte[] rgb)
void UnpackRle (byte[] rgb, int rgb_pos, int skip_pos, int ctl_src)
{
int rgb_src = LittleEndian.ToInt32 (m_output, 0);
bool skip = 0 == LittleEndian.ToInt32 (m_output, 8);
int ctl_src = 12;
int rgb_src = LittleEndian.ToInt32 (m_output, rgb_pos);
bool skip = 0 == LittleEndian.ToInt32 (m_output, skip_pos);
int dst = 0;
while (dst < rgb.Length)
{
@@ -280,10 +286,9 @@ namespace GameRes.Formats.TopCat
}
}
void UnpackSpd8Alpha (byte[] rgb)
void UnpackSpdAlpha (byte[] rgb, int ctl_src)
{
int rgb_src = LittleEndian.ToInt32 (m_output, 0);
int ctl_src = 8;
int dst = 0;
while (dst < rgb.Length)
{
@@ -309,7 +314,7 @@ namespace GameRes.Formats.TopCat
rgb[dst++] = m_output[rgb_src++];
rgb[dst++] = m_output[rgb_src++];
rgb[dst++] = m_output[rgb_src++];
rgb[dst++] = (byte)~(control - 1);
rgb[dst++] = (byte)-control;
}
}
}