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Merge pull request #5 from shiikwi/master

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Update Key ImageCZ
This commit is contained in:
ななみ
2025-11-30 10:07:49 +08:00
committed by GitHub
parent 0a9b6d614d 4a591fbffd
commit c2a7cfb7b3
1 changed files with 47 additions and 3 deletions
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50
ArcFormats/Key/ImageCZ.cs
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@@ -48,8 +48,8 @@ namespace GameRes.Formats.Key
public CzFormat ()
{
Extensions = new[] { "cz", "cz0", "cz1", "cz3" };
Signatures = new uint[] { 0x305A43, 0x315A43, 0x335A43 }; // 'CZ0', 'CZ1', 'CZ3'
Extensions = new[] { "cz", "cz0", "cz1", "cz3", "cz4" };
Signatures = new uint[] { 0x305A43, 0x315A43, 0x335A43, 0x345A43 }; // 'CZ0', 'CZ1', 'CZ3', 'CZ4'
}
public override ImageMetaData ReadMetaData (IBinaryStream file)
@@ -108,12 +108,13 @@ namespace GameRes.Formats.Key
Palette = ImageFormat.ReadPalette (m_input.AsStream, 0x100, PaletteFormat.RgbA);
switch (m_info.Version)
{
case 4: UnpackCz4(); break;
case 3: UnpackCz3(); break;
case 2: UnpackCz2(); break;
case 1: UnpackCz1(); break;
case 0: UnpackCz0(); break;
}
if (32 == m_info.BPP)
if (32 == m_info.BPP && m_info.Version < 4)
ConvertToBgrA();
return ImageData.Create (m_info, Format, Palette, m_output);
}
@@ -196,6 +197,49 @@ namespace GameRes.Formats.Key
}
}
void UnpackCz4()
{
UnpackCz1();
byte[] buffer = (byte[])m_output.Clone();
int third = (m_info.iHeight + 2) / 3;
int rgb_stride = m_info.iWidth * 3;
for (int y = 0; y < m_info.iHeight; ++y)
{
int dst = y * rgb_stride;
if (y % third != 0)
{
for (int x = 0; x < rgb_stride; ++x)
{
buffer[dst + x] += buffer[dst + x - rgb_stride];
}
}
}
int alpha_stride = m_info.iWidth;
int pixel_count = m_info.iHeight * m_info.iWidth;
int alpha_start = pixel_count * 3;
for (int y = 0; y < m_info.iHeight; ++y)
{
int dst = alpha_start + y * alpha_stride;
if (y % third != 0)
{
for (int x = 0; x < alpha_stride; ++x)
{
buffer[dst + x] += buffer[dst + x - alpha_stride];
}
}
}
for (int i = 0; i < pixel_count; ++i)
{
int pRgb = i * 3;
int pDst = i * 4;
m_output[pDst] = buffer[pRgb + 2];
m_output[pDst + 1] = buffer[pRgb + 1];
m_output[pDst + 2] = buffer[pRgb];
m_output[pDst + 3] = buffer[alpha_start + i];
}
}
void ConvertToBgrA ()
{
for (int i = 0; i < m_output.Length; i += 4)