| public ResolveContentPath ( string path ) : string | ||
| path | string | |
| return | string | |
/// <summary>
/// Return list of key path to changed content file.
/// </summary>
/// <returns></returns>
public IEnumerable <string> GetChangedDependencies()
{
var changedDeps = new List <string>();
if (!TargetFileExists)
{
throw new InvalidOperationException("Target file does not exist");
}
var targetTime = File.GetLastWriteTime(FullTargetPath);
using (var assetStream = AssetStream.OpenRead(FullTargetPath)) {
foreach (var dependency in assetStream.Dependencies)
{
if (context.ContentFileExists(dependency))
{
var fullDependencyPath = context.ResolveContentPath(dependency);
var sourceTime = File.GetLastWriteTime(fullDependencyPath);
if (targetTime < sourceTime)
{
changedDeps.Add(dependency);
}
}
}
}
return(changedDeps);
}
/// <summary>
/// Analyzes entire engine searching for RequireShaderAttribute.
/// Returns collection of required shaders.
/// </summary>
/// <returns></returns>
public IEnumerable <AssetSource> GatherRequiredShaders(BuildContext context, BuildResult result)
{
var options = context.Options;
var srcList = new List <AssetSource>();
var shaderList = Misc.GetAllClassesWithAttribute <RequireShaderAttribute>()
.Select(type1 => new { Type = type1, Name = type1.GetCustomAttribute <RequireShaderAttribute>().RequiredShader })
.DistinctBy(shader => shader.Name)
.ToArray();
foreach (var shader in shaderList)
{
var nameExt = Path.ChangeExtension(shader.Name, ".hlsl");
try {
var baseDir = "";
var fullPath = context.ResolveContentPath(nameExt, out baseDir);
var assetSrc = new AssetSource(nameExt, baseDir, typeof(UbershaderProcessor), new string[0], context);
assetSrc.ReflectingType = shader.Type;
if (shader.Type.GetCustomAttribute <RequireShaderAttribute>().AutoGenerateHeader)
{
var headerName = assetSrc.FullSourcePath.Replace(".hlsl", ".auto.hlsl");
var headerText = UbershaderGenerator.GenerateVirtualHeader(shader.Type);
if (!File.Exists(headerName))
{
File.WriteAllText(headerName, headerText);
}
else
{
var oldText = File.ReadAllText(headerName);
if (oldText != headerText)
{
File.WriteAllText(headerName, headerText);
}
}
}
srcList.Add(assetSrc);
} catch (BuildException bex) {
Log.Error(bex.Message);
}
}
return(srcList);
}
