chore: parse includes and assetlists while parsing zone definition

src/ZoneCommon/Zone/Definition/Parsing/ZoneDefinitionParserState.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "Parsing/IParserLineStream.h"
+#include "SearchPath/ISearchPath.h"
+#include "Zone/AssetNameResolver.h"
+#include "Zone/Definition/ZoneDefinition.h"
+
+#include <memory>
+#include <optional>
+#include <string>
+#include <unordered_set>
+
+class ZoneDefinitionParserState
+{
+public:
+    ZoneDefinitionParserState(std::string targetName, ISearchPath& searchPath, IParserLineStream& underlyingStream);
+
+    void SetGame(GameId game);
+
+    void StartIPak(std::string ipakName);
+    void StartIwd(std::string iwdName);
+
+    void Finalize();
+
+    ISearchPath& m_search_path;
+    IParserLineStream& m_underlying_stream;
+    std::unordered_set<std::string> m_inclusions;
+
+    const IAssetNameResolver* m_asset_name_resolver;
+
+    std::optional<ZoneDefinitionObjContainer> m_current_ipak;
+    std::optional<ZoneDefinitionObjContainer> m_current_iwd;
+
+    std::unique_ptr<ZoneDefinition> m_definition;
+};