X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FFDM%2Fgroundcache.cxx;h=0b341159aadd04bae91e51e22971dc989d2fd461;hb=2314ccfe13e5e175763000e4c8ba86be79aa3a97;hp=fc4fdfacafac249b3494264b0ce85a78e290347e;hpb=7e97a4c6930e6388259bca3721a998c26027bfd3;p=flightgear.git

diff --git a/src/FDM/groundcache.cxx b/src/FDM/groundcache.cxx
index fc4fdfaca..0b341159a 100644
--- a/src/FDM/groundcache.cxx
+++ b/src/FDM/groundcache.cxx
@@ -382,10 +382,9 @@ FGGroundCache::prepare_ground_cache(double startSimTime, double endSimTime,
     if (!found_ground) {
         // Ok, still nothing here?? Last resort ...
         double alt = 0;
-        const SGMaterial* m = NULL;
+        _material = 0;
         found_ground = globals->get_scenery()->
-            get_elevation_m(SGGeod::fromGeodM(geodPt, 10000), alt, &m);
-        _material = m;
+            get_elevation_m(SGGeod::fromGeodM(geodPt, 10000), alt, &_material);
         if (found_ground)
             _altitude = alt;
     }
@@ -922,7 +921,7 @@ bool FGGroundCache::caught_wire(double t, const SGVec3d pt[4])
         _localBvhTree->accept(wireIntersector);
     
     _wire = wireIntersector.getWire();
-    return _wire;
+    return (_wire != NULL);
 }
 
 class FGGroundCache::WireFinder : public BVHVisitor {