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(KGF): implemented older versions.

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This commit is contained in:
morkt 2018-09-01 06:17:27 +04:00
parent d6dd1a7312
commit 6a404b6ea3
1 changed files with 74 additions and 8 deletions
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82
ArcFormats/Cadath/ImageKGF.cs
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@ -99,19 +99,86 @@ namespace GameRes.Formats.Cadath
{ {
switch (m_mode) switch (m_mode)
{ {
case 0: UnpackV0(); break;
case 1: UnpackV1(); break;
case 2: UnpackV2(); break;
case 3: UnpackV3(); break;
case 4: UnpackV4(); break;
case 5: UnpackV5(); break; case 5: UnpackV5(); break;
case 0:
case 1:
case 2: throw new NotImplementedException (string.Format ("KGF image type {0} not implemented", m_mode));
default: throw new InvalidFormatException(); default: throw new InvalidFormatException();
} }
} }
void UnpackV0 ()
{
m_input.Position = 0x1C;
m_input.Read (m_output, 0, m_output.Length);
}
void UnpackV1 ()
{
m_input.Position = 0x1C;
var data = m_input.ReadBytes (m_output.Length);
CopyChannels (data);
}
void UnpackV2 ()
{
m_input.Position = 0x1C;
int bits_size = m_input.ReadInt32();
int ctl_size = m_input.ReadInt32();
int data_size = m_input.ReadInt32();
var bits = m_input.ReadBytes (ctl_size);
int dst = 0;
var data = new byte[m_output.Length];
for (int i = 0; i < bits_size; ++i)
{
if (0 != (bits[i >> 3] & 1))
{
byte v = m_input.ReadUInt8();
int count = m_input.ReadUInt8() + 3;
for (int j = 0; j < count; ++j)
data[dst++] = v;
}
else
{
data[dst++] = m_input.ReadUInt8();
}
bits[i >> 3] >>= 1;
}
CopyChannels (data);
}
void UnpackV3 ()
{
m_input.Position = 0x24;
int packed_size = m_input.ReadInt32();
m_output = Decompress (0x100);
}
void UnpackV4 ()
{
m_input.Position = 0x24;
int packed_size = m_input.ReadInt32();
var data = Decompress (0x100);
CopyChannels (data);
}
void CopyChannels (byte[] data)
{
int src = 0;
for (int i = 0; i < m_pixel_size; ++i)
for (int dst = i; dst < m_output.Length; dst += m_pixel_size)
{
m_output[dst] = data[src++];
}
}
void UnpackV5 () void UnpackV5 ()
{ {
m_input.Position = 0x24; m_input.Position = 0x24;
int packed_size = m_input.ReadInt32(); int packed_size = m_input.ReadInt32();
var data = Decompress (packed_size); var data = Decompress (0x200);
var line = new byte[m_width]; var line = new byte[m_width];
int channel_size = m_width * m_height; int channel_size = m_width * m_height;
int src = 0; int src = 0;
@ -132,12 +199,11 @@ namespace GameRes.Formats.Cadath
} }
} }
byte[] Decompress (int input_size) byte[] Decompress (int buffer_size)
{ {
var output = new byte[m_output.Length]; var output = new byte[m_output.Length];
var buf0 = new InputBuffer (0x200); var buf0 = new InputBuffer (buffer_size);
var buf1 = new InputBuffer (0x200 >> 3); var buf1 = new InputBuffer (buffer_size >> 3);
var bits_buf = new byte[buf1.Length + 1]; var bits_buf = new byte[buf1.Length + 1];
int dst = 0; int dst = 0;
while (dst < output.Length) while (dst < output.Length)