public SpriteDosTransparent(Buffer data, ColorDos[] palette, byte colorOffset = 0)
: base(data)
{
MutableBuffer result = new MutableBuffer(Endian.Endianess.Big);
while (data.Readable())
{
uint drop = data.Pop <byte>();
result.Push(0x00000000u, drop);
uint fill = data.Pop <byte>();
for (uint i = 0; i < fill; ++i)
{
uint palIndex = (uint)(data.Pop <byte>() + colorOffset);
ColorDos color = palette[palIndex];
result.Push <byte>(color.B); // Blue
result.Push <byte>(color.G); // Green
result.Push <byte>(color.R); // Red
result.Push <byte>(0xFF); // Alpha
}
}
this.data = result.Unfix();
}
public SpriteDosSolid(Buffer data, ColorDos[] palette)
: base(data)
{
uint size = data.Size;
if (size != (width * height + 10))
{
throw new ExceptionFreeserf(ErrorSystemType.Data, "Failed to extract DOS solid sprite");
}
MutableBuffer result = new MutableBuffer(Endian.Endianess.Big);
while (data.Readable())
{
ColorDos color = palette[data.Pop <byte>()];
result.Push <byte>(color.B); // Blue
result.Push <byte>(color.G); // Green
result.Push <byte>(color.R); // Red
result.Push <byte>(0xff); // Alpha
}
this.data = result.Unfix();
}
ColorDos[] GetDosPalette(uint index)
{
Buffer data = GetObject(index);
if (data == null || (data.Size != 3 * 256)) // sizeof(ColorDos) = 3
{
return(null);
}
ColorDos[] palette = new ColorDos[256];
var array = data.ReinterpretAsArray(256 * 3);
for (int i = 0; i < 256; ++i)
{
palette[i] = new ColorDos()
{
R = array[i * 3 + 0],
G = array[i * 3 + 1],
B = array[i * 3 + 2]
};
}
return(palette);
}
public SpriteDosOverlay(Buffer data, ColorDos[] palette, byte value)
: base(data)
{
MutableBuffer result = new MutableBuffer(Endian.Endianess.Big);
while (data.Readable())
{
uint drop = data.Pop <byte>();
result.Push(0x00000000u, drop);
uint fill = data.Pop <byte>();
for (uint i = 0; i < fill; ++i)
{
ColorDos color = palette[value];
result.Push <byte>(color.B); // Blue
result.Push <byte>(color.G); // Green
result.Push <byte>(color.R); // Red
result.Push <byte>(value); // Alpha
}
}
this.data = result.Unfix();
}
