Make Bullet DebugDrawer's default state match the physics system

apps/openmw/mwphysics/physicssystem.cpp

@@ -93,7 +93,7 @@ namespace MWPhysics
         }
 
         mTaskScheduler = std::make_unique<PhysicsTaskScheduler>(mPhysicsDt, mCollisionWorld);
-        mDebugDrawer = std::make_unique<MWRender::DebugDrawer>(mParentNode, mCollisionWorld.get());
+        mDebugDrawer = std::make_unique<MWRender::DebugDrawer>(mParentNode, mCollisionWorld.get(), mDebugDrawEnabled);
     }
 
     PhysicsSystem::~PhysicsSystem()

apps/openmw/mwrender/bulletdebugdraw.cpp

@@ -14,13 +14,11 @@
 namespace MWRender
 {
 
-DebugDrawer::DebugDrawer(osg::ref_ptr<osg::Group> parentNode, btCollisionWorld *world)
+DebugDrawer::DebugDrawer(osg::ref_ptr<osg::Group> parentNode, btCollisionWorld *world, int debugMode)
     : mParentNode(parentNode),
-      mWorld(world),
-      mDebugOn(true)
+      mWorld(world)
 {
-
-    createGeometry();
+    setDebugMode(debugMode);
 }
 
 void DebugDrawer::createGeometry()

apps/openmw/mwrender/bulletdebugdraw.hpp

@@ -48,7 +48,7 @@ protected:
 
 public:
 
-    DebugDrawer(osg::ref_ptr<osg::Group> parentNode, btCollisionWorld *world);
+    DebugDrawer(osg::ref_ptr<osg::Group> parentNode, btCollisionWorld *world, int debugMode = 1);
     ~DebugDrawer();
 
     void step();