chore: consider specified obj containers when post processing

src/ObjLoading/Asset/ZoneDefinitionContext.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Zone/Definition/ZoneDefinition.h"
+
+class ZoneDefinitionContext
+{
+public:
+    ZoneDefinitionContext(const ZoneDefinition& zoneDefinition)
+        : m_zone_definition(zoneDefinition),
+          m_asset_index_in_definition(0u)
+    {
+    }
+
+    const ZoneDefinition& m_zone_definition;
+    unsigned m_asset_index_in_definition;
+};