refactor: use asset_type_t for ZoneDefinition

src/ZoneCommon/Zone/AssetNameResolver.cpp

@@ -0,0 +1,45 @@
+#include "AssetNameResolver.h"
+
+#include "Game/IW3/AssetNameResolverIW3.h"
+#include "Game/IW4/AssetNameResolverIW4.h"
+#include "Game/IW5/AssetNameResolverIW5.h"
+#include "Game/T5/AssetNameResolverT5.h"
+#include "Game/T6/AssetNameResolverT6.h"
+#include "Utils/StringUtils.h"
+
+#include <cassert>
+
+const IAssetNameResolver* IAssetNameResolver::GetResolverForGame(GameId game)
+{
+    static const IAssetNameResolver* assetNameResolvers[static_cast<unsigned>(GameId::COUNT)]{
+        new IW3::AssetNameResolver(),
+        new IW4::AssetNameResolver(),
+        new IW5::AssetNameResolver(),
+        new T5::AssetNameResolver(),
+        new T6::AssetNameResolver(),
+    };
+
+    assert(static_cast<unsigned>(game) < static_cast<unsigned>(GameId::COUNT));
+    const auto* result = assetNameResolvers[static_cast<unsigned>(game)];
+    assert(result);
+
+    return result;
+}
+
+void HashMapBasedAssetNameResolver::AddAssetTypeName(asset_type_t assetType, std::string name)
+{
+    utils::MakeStringLowerCase(name);
+    m_asset_types_by_name.emplace(std::move(name), assetType);
+}
+
+std::optional<asset_type_t> HashMapBasedAssetNameResolver::GetAssetTypeByName(const std::string& assetTypeName) const
+{
+    std::string lowerCaseName = assetTypeName;
+    utils::MakeStringLowerCase(lowerCaseName);
+
+    const auto existingAssetType = m_asset_types_by_name.find(assetTypeName);
+    if (existingAssetType != m_asset_types_by_name.end())
+        return existingAssetType->second;
+
+    return std::nullopt;
+}