refactor

src/content/ContentLUT.cpp

@@ -7,6 +7,8 @@
 #include "files/files.hpp"
 #include "items/ItemDef.hpp"
 #include "voxels/Block.hpp"
+#include "world/World.hpp"
+#include "files/WorldFiles.hpp"
 #include "Content.hpp"
 
 ContentLUT::ContentLUT(
@@ -24,8 +26,14 @@ static constexpr size_t get_entries_count(
 }
 
 std::shared_ptr<ContentLUT> ContentLUT::create(
+    const std::shared_ptr<WorldFiles>& worldFiles,
     const fs::path& filename, const Content* content
 ) {
+    auto worldInfo = worldFiles->readWorldInfo();
+    if (!worldInfo.has_value()) {
+        return nullptr;
+    }
+
     auto root = files::read_json(filename);
     auto blocklist = root->list("blocks");
     auto itemlist = root->list("items");