/** MCPP callback for retrieving file contents. */
static int GetFileContents(void* InUserData, const ANSICHAR* InFilename, const ANSICHAR** OutContents, size_t* OutContentSize)
{
auto* This = (FSimpleMcppFileLoader*)InUserData;
FString Filename = GetRelativeShaderFilename(ANSI_TO_TCHAR(InFilename));
FShaderContents* CachedContents = This->CachedFileContents.Find(Filename);
if (!CachedContents)
{
FString FileContents;
FFileHelper::LoadFileToString(FileContents, *Filename);
if (FileContents.Len() > 0)
{
CachedContents = &This->CachedFileContents.Add(Filename,StringToArray<ANSICHAR>(*FileContents, FileContents.Len()));
}
}
if (OutContents)
{
*OutContents = CachedContents ? CachedContents->GetData() : nullptr;
}
if (OutContentSize)
{
*OutContentSize = CachedContents ? CachedContents->Num() : 0;
}
return !!CachedContents;
}
/** MCPP callback for retrieving file contents. */
static int GetFileContents(void* InUserData, const ANSICHAR* InFilename, const ANSICHAR** OutContents, size_t* OutContentSize)
{
FMcppFileLoader* This = (FMcppFileLoader*)InUserData;
FString Filename = GetRelativeShaderFilename(ANSI_TO_TCHAR(InFilename));
FShaderContents* CachedContents = This->CachedFileContents.Find(Filename);
if (!CachedContents)
{
FString FileContents;
if (This->ShaderInput.Environment.IncludeFileNameToContentsMap.Contains(Filename))
{
FileContents = This->ShaderInput.Environment.IncludeFileNameToContentsMap.FindRef(Filename);
}
else
{
LoadShaderSourceFile(*Filename,FileContents);
}
if (FileContents.Len() > 0)
{
CachedContents = &This->CachedFileContents.Add(Filename,StringToArray<ANSICHAR>(*FileContents, FileContents.Len()));
}
}
if (OutContents)
{
*OutContents = CachedContents ? CachedContents->GetData() : NULL;
}
if (OutContentSize)
{
*OutContentSize = CachedContents ? CachedContents->Num() : 0;
}
return !!CachedContents;
}