chore: fix loading and writing code for IW5

src/ObjLoading/Game/IW5/Weapon/GdtLoaderWeaponIW5.cpp

@@ -0,0 +1,53 @@
+#include "GdtLoaderWeaponIW5.h"
+
+#include "Game/IW5/IW5.h"
+#include "Game/IW5/ObjConstantsIW5.h"
+#include "InfoString/InfoString.h"
+#include "InfoStringLoaderWeaponIW5.h"
+
+#include <cstring>
+#include <format>
+#include <iostream>
+
+using namespace IW5;
+
+namespace
+{
+    class GdtLoaderWeapon final : public AssetCreator<AssetWeapon>
+    {
+    public:
+        GdtLoaderWeapon(MemoryManager& memory, ISearchPath& searchPath, IGdtQueryable& gdt, Zone& zone)
+            : m_gdt(gdt),
+              m_info_string_loader(memory, searchPath, zone)
+        {
+        }
+
+        AssetCreationResult CreateAsset(const std::string& assetName, AssetCreationContext& context) override
+        {
+            const auto* gdtEntry = m_gdt.GetGdtEntryByGdfAndName(ObjConstants::GDF_FILENAME_WEAPON, assetName);
+            if (gdtEntry == nullptr)
+                return AssetCreationResult::NoAction();
+
+            InfoString infoString;
+            if (!infoString.FromGdtProperties(*gdtEntry))
+            {
+                std::cerr << std::format("Failed to read weapon gdt entry: \"{}\"\n", assetName);
+                return AssetCreationResult::Failure();
+            }
+
+            return m_info_string_loader.CreateAsset(assetName, infoString, context);
+        }
+
+    private:
+        IGdtQueryable& m_gdt;
+        InfoStringLoaderWeapon m_info_string_loader;
+    };
+} // namespace
+
+namespace IW5
+{
+    std::unique_ptr<AssetCreator<AssetWeapon>> CreateGdtWeaponLoader(MemoryManager& memory, ISearchPath& searchPath, IGdtQueryable& gdt, Zone& zone)
+    {
+        return std::make_unique<GdtLoaderWeapon>(memory, searchPath, gdt, zone);
+    }
+} // namespace IW5