Add const back in the function

diff --git a/simgear/scene/material/mat.cxx b/simgear/scene/material/mat.cxx
index 76bb3820cedc6e6362eca49dfd505a5b96c644bf..5433a0f291f1a45ff2ec9852782213c583eda8ab 100644 (file)
--- a/simgear/scene/material/mat.cxx
+++ b/simgear/scene/material/mat.cxx
@@ -201,7 +201,7 @@ SGMaterial::load_texture ( int n )
 }
 
 ssgSimpleState *
-SGMaterial::get_state (int n)
+SGMaterial::get_state (int n) const
 {
     if (_status.size() == 0) {
         SG_LOG( SG_GENERAL, SG_WARN, "No state available.");

diff --git a/simgear/scene/material/mat.hxx b/simgear/scene/material/mat.hxx
index 22cbe5346e98791b399a963231235f4ca541aa48..5f14a3065f45aafa53bb49e002b0f4ce5fbf15f6 100644 (file)
--- a/simgear/scene/material/mat.hxx
+++ b/simgear/scene/material/mat.hxx
@@ -117,7 +117,7 @@ public:
   /**
    * Get the textured state.
    */
-  virtual ssgSimpleState *get_state (int n = -1);
+  virtual ssgSimpleState *get_state (int n = -1) const;
 
 
   /**