Use settings values for Navigator settings

apps/navmeshtool/main.cpp

@@ -199,7 +199,7 @@ namespace NavMeshTool
                 Settings::game().mActorCollisionShapeType,
                 Settings::game().mDefaultActorPathfindHalfExtents,
             };
-            const std::uint64_t maxDbFileSize = Settings::Manager::getUInt64("max navmeshdb file size", "Navigator");
+            const std::uint64_t maxDbFileSize = Settings::navigator().mMaxNavmeshdbFileSize;
             const auto dbPath = Files::pathToUnicodeString(config.getUserDataPath() / "navmesh.db");
 
             Log(Debug::Info) << "Using navmeshdb at " << dbPath;

apps/openmw/mwrender/renderingmanager.cpp

@@ -425,13 +425,10 @@ namespace MWRender
         // It is unnecessary to stop/start the viewer as no frames are being rendered yet.
         mResourceSystem->getSceneManager()->getShaderManager().setGlobalDefines(globalDefines);
 
-        mNavMesh = std::make_unique<NavMesh>(mRootNode, mWorkQueue,
-            Settings::Manager::getBool("enable nav mesh render", "Navigator"),
+        mNavMesh = std::make_unique<NavMesh>(mRootNode, mWorkQueue, Settings::navigator().mEnableNavMeshRender,
             Settings::navigator().mNavMeshRenderMode);
-        mActorsPaths = std::make_unique<ActorsPaths>(
-            mRootNode, Settings::Manager::getBool("enable agents paths render", "Navigator"));
-        mRecastMesh = std::make_unique<RecastMesh>(
-            mRootNode, Settings::Manager::getBool("enable recast mesh render", "Navigator"));
+        mActorsPaths = std::make_unique<ActorsPaths>(mRootNode, Settings::navigator().mEnableAgentsPathsRender);
+        mRecastMesh = std::make_unique<RecastMesh>(mRootNode, Settings::navigator().mEnableRecastMeshRender);
         mPathgrid = std::make_unique<Pathgrid>(mRootNode);
 
         mObjects = std::make_unique<Objects>(mResourceSystem, sceneRoot, unrefQueue);

apps/openmw/mwworld/worldimp.cpp

@@ -294,7 +294,7 @@ namespace MWWorld
     {
         mPhysics = std::make_unique<MWPhysics::PhysicsSystem>(mResourceSystem, rootNode);
 
-        if (Settings::Manager::getBool("enable", "Navigator"))
+        if (Settings::navigator().mEnable)
         {
             auto navigatorSettings = DetourNavigator::makeSettingsFromSettingsManager();
             navigatorSettings.mRecast.mSwimHeightScale = mSwimHeightScale;