using std::string;
-class SGMaterial;
+namespace simgear {
+class BVHMaterial;
+}
class FGAIManager;
class FGAIFlightPlan;
class FGFX;
SGVec3d getCartPos() const;
bool getGroundElevationM(const SGGeod& pos, double& elev,
- const SGMaterial** material) const;
+ const simgear::BVHMaterial** material) const;
double _elevation_m;
- const SGMaterial* _material;
double _getCartPosX() const;
double _getCartPosY() const;