From 5a48bcf2a0b5e2998282ba28a7a1ac0582fc3f46 Mon Sep 17 00:00:00 2001
From: frohlich <frohlich>
Date: Wed, 27 Dec 2006 10:47:10 +0000
Subject: [PATCH] Modified Files: 	src/FDM/flight.cxx src/FDM/flight.hxx
 src/FDM/groundcache.cxx: 	Maik Justus: Provide the material we roll on
 in the groundcache.

---
 src/FDM/flight.cxx      | 14 ++++++++++++++
 src/FDM/flight.hxx      |  3 +++
 src/FDM/groundcache.cxx |  1 +
 3 files changed, 18 insertions(+)

diff --git a/src/FDM/flight.cxx b/src/FDM/flight.cxx
index 08aa8fae7..55d8545a5 100644
--- a/src/FDM/flight.cxx
+++ b/src/FDM/flight.cxx
@@ -883,6 +883,20 @@ FGInterface::get_agl_m(double t, const double pt[3],
   return ret;
 }
 
+bool
+FGInterface::get_agl_m(double t, const double pt[3],
+                       double contact[3], double normal[3], double vel[3],
+                       int *type, const SGMaterial **material, double *agl)
+{
+  SGVec3d _contact, _normal, _vel;
+  bool ret = ground_cache.get_agl(t, SGVec3d(pt), 2.0, _contact, _normal,
+                                  _vel, type, material, agl);
+  sgdCopyVec3(contact, _contact.data());
+  sgdCopyVec3(normal, _normal.data());
+  sgdCopyVec3(vel, _vel.data());
+  return ret;
+}
+
 // Legacy interface just kept because of JSBSim
 bool
 FGInterface::get_agl_ft(double t, const double pt[3],
diff --git a/src/FDM/flight.hxx b/src/FDM/flight.hxx
index 09d40bd32..f5533625c 100644
--- a/src/FDM/flight.hxx
+++ b/src/FDM/flight.hxx
@@ -1128,6 +1128,9 @@ public:
                    double contact[3], double normal[3], double vel[3],
                    int *type, double *loadCapacity,
                    double *frictionFactor, double *agl);
+    bool get_agl_m(double t, const double pt[3],
+                       double contact[3], double normal[3], double vel[3],
+                       int *type, const SGMaterial **material,double *agl);
     bool get_agl_ft(double t, const double pt[3],
                     double contact[3], double normal[3], double vel[3],
                     int *type, double *loadCapacity,
diff --git a/src/FDM/groundcache.cxx b/src/FDM/groundcache.cxx
index 3f1a396a0..3ffc28331 100644
--- a/src/FDM/groundcache.cxx
+++ b/src/FDM/groundcache.cxx
@@ -527,6 +527,7 @@ public:
         t.rotation = mGroundProperty.rot;
         t.rotation_pivot = mGroundProperty.pivot - mGroundCache->cache_center;
         t.type = mGroundProperty.type;
+        t.material=mGroundProperty.material;
         mGroundCache->triangles.push_back(t);
       }
     }