added paths 'world:' entry point

src/files/engine_paths.cpp

@@ -76,6 +76,10 @@ void EnginePaths::setResources(fs::path folder) {
     this->resources = folder;
 }
 
+void EnginePaths::setWorldFolder(fs::path folder) {
+    this->worldFolder = folder;
+}
+
 void EnginePaths::setContentPacks(std::vector<ContentPack>* contentPacks) {
     this->contentPacks = contentPacks;
 }
@@ -96,6 +100,10 @@ fs::path EnginePaths::resolve(std::string path) {
         return userfiles/fs::path(filename);
     }
 
+    if (prefix == "world") {
+        return worldFolder/fs::path(filename);
+    }
+
     if (contentPacks) {
         for (auto& pack : *contentPacks) {
             if (pack.id == prefix) {

src/files/engine_paths.h

@@ -12,6 +12,7 @@ namespace fs = std::filesystem;
 class EnginePaths {
     fs::path userfiles {"."};
     fs::path resources {"res"}; 
+    fs::path worldFolder {""};
     std::vector<ContentPack>* contentPacks = nullptr;
 public:
     fs::path getUserfiles() const;
@@ -24,6 +25,7 @@ public:
     void setUserfiles(fs::path folder);
     void setResources(fs::path folder);
     void setContentPacks(std::vector<ContentPack>* contentPacks);
+    void setWorldFolder(fs::path folder);
 
     std::vector<fs::path> scanForWorlds();
 

src/frontend/menu.cpp

@@ -165,6 +165,7 @@ void open_world(std::string name, Engine* engine) {
                        L": "+util::str2wstr_utf8(error.what()));
         return;
     }
+    paths->setWorldFolder(folder);
 
     auto& packs = engine->getContentPacks();
     auto* content = engine->getContent();
@@ -303,6 +304,7 @@ void create_new_world_panel(Engine* engine, PagesControl* menu) {
         try {
             engine->loadAllPacks();
             engine->loadContent();
+            paths->setWorldFolder(folder);
         } catch (const contentpack_error& error) {
             guiutil::alert(engine->getGUI(),
                         langs::get(L"Content Error", L"menu")+