Add TechsetDefinitionCache to cache loaded techset definitions

src/ObjLoading/Techset/TechsetDefinitionCache.cpp

@@ -0,0 +1,18 @@
+#include "TechsetDefinitionCache.h"
+
+using namespace techset;
+
+TechsetDefinition* TechsetDefinitionCache::GetCachedTechsetDefinition(const std::string& techsetName) const
+{
+    const auto foundTechset = m_cache.find(techsetName);
+
+    if (foundTechset != m_cache.end())
+        return foundTechset->second.get();
+
+    return nullptr;
+}
+
+void TechsetDefinitionCache::AddTechsetDefinitionToCache(std::string name, std::unique_ptr<TechsetDefinition> definition)
+{
+    m_cache.emplace(std::make_pair(std::move(name), std::move(definition)));
+}

src/ObjLoading/Techset/TechsetDefinitionCache.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <unordered_map>
+#include <string>
+#include <memory>
+
+#include "Utils/ClassUtils.h"
+#include "TechsetDefinition.h"
+#include "AssetLoading/IZoneAssetLoaderState.h"
+
+namespace techset
+{
+    class TechsetDefinitionCache final : public IZoneAssetLoaderState
+    {
+    public:
+        _NODISCARD TechsetDefinition* GetCachedTechsetDefinition(const std::string& techsetName) const;
+        void AddTechsetDefinitionToCache(std::string name, std::unique_ptr<TechsetDefinition> definition);
+
+    private:
+        std::unordered_map<std::string, std::unique_ptr<TechsetDefinition>> m_cache;
+    };
+}

src/ObjLoading/Techset/TechsetFileReader.h

@@ -20,6 +20,6 @@ namespace techset
     public:
         TechsetFileReader(std::istream& stream, std::string fileName, const char** validTechniqueTypeNames, size_t validTechniqueTypeNameCount);
 
-        _NODISCARD std::unique_ptr<techset::TechsetDefinition> ReadTechsetDefinition() const;
+        _NODISCARD std::unique_ptr<TechsetDefinition> ReadTechsetDefinition() const;
     };
 }