/// <summary>
///
/// </summary>
/// <param name="buildContext"></param>
public override void Build(BuildContext buildContext)
{
var fileNames = buildContext.ExpandAndResolveSearchPatterns(Dependencies);
var images = fileNames
.Select(fn => Image.LoadTga(fn))
.OrderByDescending(img0 => img0.Width * img0.Height)
.ThenByDescending(img1 => img1.Width)
.ThenByDescending(img2 => img2.Height)
.ToList();
if (!images.Any())
{
throw new InvalidOperationException("At least one subimage must be added to teh texture atlas");
}
//
// Pack atlas :
//
AtlasNode root = new AtlasNode(0, 0, Width, Height, Padding);
foreach (var img in images)
{
var n = root.Insert(img);
if (n == null)
{
throw new InvalidOperationException("No enough room to place image");
}
}
//
// Create image and fill it with atlas elements :
//
var targetImage = new Image(Width, Height);
targetImage.Fill(FillColor);
root.WriteImages(targetImage);
//
// Save and compress :
//
var tgaOutput = buildContext.GetTempFileName(AssetPath, ".tga", true);
var ddsOutput = buildContext.GetTempFileName(AssetPath, ".dds", true);
Image.SaveTga(targetImage, tgaOutput);
var compression = UseDXT ? ImageFileTextureAsset.TextureCompression.BC3 : ImageFileTextureAsset.TextureCompression.RGB;
ImageFileTextureAsset.RunNVCompress(buildContext, tgaOutput, ddsOutput, NoMips, false, false, true, true, false, compression);
//
// Write binary blob (text + dds texture):
//
using (var fs = buildContext.TargetStream(this)) {
var bw = new BinaryWriter(fs);
bw.Write(new[] { 'A', 'T', 'L', 'S' });
bw.Write(images.Count);
root.WriteLayout(bw);
bw.Write((int)(new FileInfo(ddsOutput).Length));
using (var dds = File.OpenRead(ddsOutput)) {
dds.CopyTo(fs);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="buildContext"></param>
public override void Build ( BuildContext buildContext )
{
var fileNames = buildContext.ExpandAndResolveSearchPatterns( Dependencies );
var images = fileNames
.Select( fn => Image.LoadTga( fn ) )
.OrderByDescending( img0 => img0.Width * img0.Height )
.ThenByDescending( img1 => img1.Width )
.ThenByDescending( img2 => img2.Height )
.ToList();
if (!images.Any()) {
throw new InvalidOperationException("At least one subimage must be added to teh texture atlas");
}
//
// Pack atlas :
//
AtlasNode root = new AtlasNode(0,0, Width, Height, Padding );
foreach ( var img in images ) {
var n = root.Insert( img );
if (n==null) {
throw new InvalidOperationException("No enough room to place image");
}
}
//
// Create image and fill it with atlas elements :
//
var targetImage = new Image( Width, Height );
targetImage.Fill( FillColor );
root.WriteImages( targetImage );
//
// Save and compress :
//
var tgaOutput = buildContext.GetTempFileName( AssetPath, ".tga" );
var ddsOutput = buildContext.GetTempFileName( AssetPath, ".dds" );
Image.SaveTga( targetImage, tgaOutput );
var compression = UseDXT ? ImageFileTextureAsset.TextureCompression.BC3 : ImageFileTextureAsset.TextureCompression.RGB;
ImageFileTextureAsset.RunNVCompress( buildContext, tgaOutput, ddsOutput, NoMips, false, false, true, true, false, compression );
//
// Write binary blob (text + dds texture):
//
using ( var fs = buildContext.OpenTargetStream( this ) ) {
var bw = new BinaryWriter( fs );
bw.Write(new[]{'A','T','L','S'});
bw.Write( images.Count );
root.WriteLayout( bw );
bw.Write( (int)(new FileInfo(ddsOutput).Length) );
using ( var dds = File.OpenRead( ddsOutput ) ) {
dds.CopyTo( fs );
}
}
}
