Add sourceFile parameter to MultiInput ParserStream

src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderMenuList.cpp

@@ -28,7 +28,7 @@ bool AssetLoaderMenuList::LoadFromRaw(const std::string& assetName, ISearchPath*
     if (!file.IsOpen())
         return false;
 
-    MenuFileReader reader(*file.m_stream, assetName, MenuFeatureLevel::IW4, [searchPath](const std::string& filename) -> std::unique_ptr<std::istream>
+    MenuFileReader reader(*file.m_stream, assetName, MenuFeatureLevel::IW4, [searchPath](const std::string& filename, const std::string& sourceFile) -> std::unique_ptr<std::istream>
     {
         auto foundFileToInclude = searchPath->Open(filename);
         if (!foundFileToInclude.IsOpen() || !foundFileToInclude.m_stream)

src/ObjLoading/Parsing/Menu/MenuFileReader.cpp

@@ -8,7 +8,7 @@
 #include "Parsing/Impl/ParserSingleInputStream.h"
 #include "Parsing/Simple/SimpleLexer.h"
 
-MenuFileReader::MenuFileReader(std::istream& stream, std::string fileName, MenuFeatureLevel featureLevel, include_callback_t includeCallback)
+MenuFileReader::MenuFileReader(std::istream& stream, std::string fileName, const MenuFeatureLevel featureLevel, include_callback_t includeCallback)
     : m_feature_level(featureLevel),
       m_file_name(std::move(fileName)),
       m_stream(nullptr)
@@ -18,7 +18,7 @@ MenuFileReader::MenuFileReader(std::istream& stream, std::string fileName, MenuF
     m_stream = m_open_streams.back().get();
 }
 
-MenuFileReader::MenuFileReader(std::istream& stream, std::string fileName, MenuFeatureLevel featureLevel)
+MenuFileReader::MenuFileReader(std::istream& stream, std::string fileName, const MenuFeatureLevel featureLevel)
     : m_feature_level(featureLevel),
       m_file_name(std::move(fileName)),
       m_stream(nullptr)

src/ObjLoading/Parsing/Menu/MenuFileReader.h

@@ -12,7 +12,7 @@
 class MenuFileReader
 {
 public:
-    using include_callback_t = std::function<std::unique_ptr<std::istream>(const std::string& filename)>;
+    using include_callback_t = std::function<std::unique_ptr<std::istream>(const std::string& filename, const std::string& sourceFile)>;
     
 private:
     const MenuFeatureLevel m_feature_level;

src/Parser/Parsing/Impl/ParserMultiInputStream.cpp

@@ -79,7 +79,7 @@ bool ParserMultiInputStream::IncludeFile(const std::string& filename)
     if (!m_include_callback)
         return false;
 
-    auto newFile = m_include_callback(filename);
+    auto newFile = m_include_callback(filename, m_files.empty() ? "" : m_files.top().m_file_path);
     if (!newFile)
         return false;
 

src/Parser/Parsing/Impl/ParserMultiInputStream.h

@@ -10,7 +10,7 @@
 class ParserMultiInputStream final : public IParserLineStream
 {
 public:
-    using include_callback_t = std::function<std::unique_ptr<std::istream>(const std::string& filename)>;
+    using include_callback_t = std::function<std::unique_ptr<std::istream>(const std::string& filename, const std::string& sourceFile)>;
 
 private:
     class FileInfo