X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FFDM%2Fgroundcache.hxx;h=145561a9c571589b47f1075e8d7be5735de6de2b;hb=49677f512b8edaaf22c76761dbbf9c0850c79aad;hp=14aeb171c1e34b8153dced6971e37d436f2b6022;hpb=db2d4a7a68bde08a2b80496d9842e78b7df55fe6;p=flightgear.git

diff --git a/src/FDM/groundcache.hxx b/src/FDM/groundcache.hxx
index 14aeb171c..145561a9c 100644
--- a/src/FDM/groundcache.hxx
+++ b/src/FDM/groundcache.hxx
@@ -23,9 +23,6 @@
 #ifndef _GROUNDCACHE_HXX
 #define _GROUNDCACHE_HXX
 
-#include <osg/Group>
-#include <osg/ref_ptr>
-
 #include <simgear/compiler.h>
 #include <simgear/constants.h>
 #include <simgear/math/SGMath.hxx>
@@ -33,6 +30,13 @@
 #include <simgear/scene/bvh/BVHNode.hxx>
 #include <simgear/structure/SGSharedPtr.hxx>
 
+// #define GROUNDCACHE_DEBUG
+#ifdef GROUNDCACHE_DEBUG
+#include <osg/Group>
+#include <osg/ref_ptr>
+#include <simgear/timing/timestamp.hxx>
+#endif
+
 class SGMaterial;
 namespace simgear {
 class BVHLineGeometry;
@@ -62,6 +66,12 @@ public:
     const SGVec3d& get_down() const
     { return down; }
 
+    // The time offset that originates from a simtime different than zero
+    // at initialization time of the fdm.
+    double get_cache_time_offset() const
+    { return cache_time_offset; }
+    void set_cache_time_offset(double time_offset)
+    { cache_time_offset = time_offset; }
 
     bool get_body(double t, SGMatrixd& bodyToWorld, SGVec3d& linearVel,
                   SGVec3d& angularVel, simgear::BVHNode::Id id);
@@ -114,6 +124,8 @@ private:
     // The time reference for later call to intersection test routines.
     // Is required since we will have moving triangles in carriers.
     double cache_ref_time;
+    // The time the cache was initialized.
+    double cache_time_offset;
     // The wire to track.
     const simgear::BVHLineGeometry* _wire;
 
@@ -125,6 +137,15 @@ private:
     bool found_ground;
 
     SGSharedPtr<simgear::BVHNode> _localBvhTree;
+
+#ifdef GROUNDCACHE_DEBUG
+    SGTimeStamp _lookupTime;
+    unsigned _lookupCount;
+    SGTimeStamp _buildTime;
+    unsigned _buildCount;
+
+    osg::ref_ptr<osg::Group> _group;
+#endif
 };
 
 #endif