Add a setting to wait for all navmesh jobs on exit

apps/openmw/mwworld/worldimp.cpp

@@ -591,6 +591,12 @@ namespace MWWorld
         // Must be cleared before mRendering is destroyed
         if (mProjectileManager)
             mProjectileManager->clear();
+
+        if (Settings::navigator().mWaitForAllJobsOnExit)
+        {
+            Log(Debug::Verbose) << "Waiting for all navmesh jobs to be done...";
+            mNavigator->wait(DetourNavigator::WaitConditionType::allJobsDone, nullptr);
+        }
     }
 
     void World::setRandomSeed(uint32_t seed)

components/settings/categories/navigator.hpp

@@ -63,6 +63,7 @@ namespace Settings
         SettingValue<bool> mEnableNavMeshDiskCache{ mIndex, "Navigator", "enable nav mesh disk cache" };
         SettingValue<bool> mWriteToNavmeshdb{ mIndex, "Navigator", "write to navmeshdb" };
         SettingValue<std::uint64_t> mMaxNavmeshdbFileSize{ mIndex, "Navigator", "max navmeshdb file size" };
+        SettingValue<bool> mWaitForAllJobsOnExit{ mIndex, "Navigator", "wait for all jobs on exit" };
     };
 }
 

docs/source/reference/modding/settings/navigator.rst

@@ -245,6 +245,16 @@ Absent pieces usually mean a bug in recast mesh tiles building.
 Allows to do in-game debug.
 Potentially decreases performance.
 
+wait for all jobs on exit
+-------------------------
+
+:Type:		boolean
+:Range:		True/False
+:Default:	False
+
+Wait until all queued async navmesh jobs are processed before exiting the engine.
+Useful when a benchmark generates jobs to write into navmeshdb faster than they are processed.
+
 Expert settings
 ***************
 

files/settings-default.cfg

@@ -999,6 +999,9 @@ write to navmeshdb = true
 # Approximate maximum file size of navigation mesh cache stored on disk in bytes (value > 0)
 max navmeshdb file size = 2147483648
 
+# Wait until all queued async navmesh jobs are processed before exiting the engine (true, false)
+wait for all jobs on exit = false
+
 [Shadows]
 
 # Enable or disable shadows. Bear in mind that this will force OpenMW to use shaders as if "[Shaders]/force shaders" was set to true.