public unsafe AnimationFrame(GraphicsDevice graphics, uint[] palette, BinaryFileReader reader)
{
int xCenter = reader.ReadShort();
int yCenter = reader.ReadShort();
int width = reader.ReadUShort();
int height = reader.ReadUShort();
// Fix for animations with no UltimaData.
if ((width == 0) || (height == 0))
{
m_Texture = null;
return;
}
uint[] data = new uint[width * height];
int header;
int xBase = xCenter - 0x200;
int yBase = (yCenter + height) - 0x200;
fixed (uint* pData = data)
{
uint* dataRef = pData;
int delta = width;
int dataRead = 0;
dataRef += xBase;
dataRef += (yBase * delta);
while ((header = reader.ReadInt()) != 0x7FFF7FFF)
{
header ^= DoubleXor;
uint* cur = dataRef + ((((header >> 12) & 0x3FF) * delta) + ((header >> 22) & 0x3FF));
uint* end = cur + (header & 0xFFF);
int filecounter = 0;
byte[] filedata = reader.ReadBytes(header & 0xFFF);
while (cur < end)
*cur++ = palette[filedata[filecounter++]];
dataRead += header & 0xFFF;
}
Diagnostics.Metrics.ReportDataRead(dataRead);
}
m_Center = new Microsoft.Xna.Framework.Point(xCenter, yCenter);
m_Texture = new Texture2D(graphics, width, height);
m_Texture.SetData<uint>(data);
}
private static uint[] getPalette(BinaryFileReader reader)
{
uint[] pal = new uint[0x100];
for (int i = 0; i < 0x100; ++i)
{
uint color = reader.ReadUShort();
pal[i] = 0xff000000 + (
((((color >> 10) & 0x1F) * 0xFF / 0x1F)) |
((((color >> 5) & 0x1F) * 0xFF / 0x1F) << 8) |
(((color & 0x1F) * 0xFF / 0x1F) << 16)
);
}
return pal;
}