/// <summary>
/// Gets the sprite texture for an event
/// </summary>
/// <param name="context">The context</param>
/// <param name="imgBuffer">The image buffer, if available</param>
/// <param name="s">The image descriptor to use</param>
/// <returns>The texture</returns>
public override Texture2D GetSpriteTexture(Context context, byte[] imgBuffer, R1_ImageDescriptor s)
{
if (s.ImageType != 2 && s.ImageType != 3)
{
return(null);
}
// Ignore dummy sprites
if (s.IsDummySprite())
{
return(null);
}
// Get the image properties
var width = s.Width;
var height = s.Height;
var offset = s.ImageBufferOffset;
var pal4 = FileFactory.Read <ObjectArray <RGBA5551Color> >(GetPalettePath(context.Settings, 4), context, (y, x) => x.Length = 256);
var pal8 = FileFactory.Read <ObjectArray <RGBA5551Color> >(GetPalettePath(context.Settings, 8), context, (y, x) => x.Length = 256);
// Select correct palette
var palette = s.ImageType == 3 ? pal8.Value : pal4.Value;
var paletteOffset = 16 * s.Unknown1;
// Create the texture
Texture2D tex = TextureHelpers.CreateTexture2D(width, height);
// Set every pixel
if (s.ImageType == 3)
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
var paletteIndex = imgBuffer[offset + width * y + x];
// Set the pixel
tex.SetPixel(x, height - 1 - y, palette[paletteIndex].GetColor());
}
}
}
else if (s.ImageType == 2)
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int actualX = (s.ImageOffsetInPageX + x) / 2;
var paletteIndex = imgBuffer[offset + (width * y + x) / 2];
if (x % 2 == 0)
{
paletteIndex = (byte)BitHelpers.ExtractBits(paletteIndex, 4, 0);
}
else
{
paletteIndex = (byte)BitHelpers.ExtractBits(paletteIndex, 4, 4);
}
// Set the pixel
tex.SetPixel(x, height - 1 - y, palette[paletteOffset + paletteIndex].GetColor());
}
}
}
// Apply the changes
tex.Apply();
// Return the texture
return(tex);
}
