Gazebo set distance plugin linker error fix(ros-navigation#238)

Author: Oleksandr

amr_gazebo/CMakeLists.txt

@@ -94,9 +94,9 @@ ament_target_dependencies(animation_plugin
 ament_export_libraries(animation_plugin)
 
 # _set_camera_distance_plugin
+QT5_WRAP_CPP(headers_MOC include/SetDistancePlugin.hpp)
 add_library(_set_camera_distance_plugin SHARED ${headers_MOC}
-        plugins/SetDistancePlugin.cc)
-
+        plugins/SetDistancePlugin.cpp)
 include_directories(SYSTEM ${GAZEBO_INCLUDE_DIRS} ${Qt5Core_INCLUDE_DIRS})
 target_include_directories(_set_camera_distance_plugin PUBLIC include)
 

amr_gazebo/include/SetDistancePlugin.hh renamed to amr_gazebo/include/SetDistancePlugin.hpp

@@ -1,17 +1,20 @@
-#ifndef _GUI_EXAMPLE_SPAWN_WIDGET_HH_
-#define _GUI_EXAMPLE_SPAWN_WIDGET_HH_
+#ifndef _GUI_SET_DISTANCE_HH_
+#define _GUI_SET_DISTANCE_HH_
 
 // moc parsing error of tbb headers
 #ifndef Q_MOC_RUN
 #include <gazebo/transport/transport.hh>
-#endif
+#endif //Q_MOC_RUN
 
-#include <gazebo/gui/GuiPlugin.hh>
+//#include <gazebo/gui/GuiPlugin.hh>
 #include <gazebo/gui/GuiIface.hh>
-#include <gazebo/msgs/msgs.hh>
+//#include <gazebo/msgs/msgs.hh>
 #include <gazebo/gazebo.hh>
 #include <gazebo/rendering/rendering.hh>
-#include <sstream>
+//#include <sstream>
+
+#include <gazebo/common/Plugin.hh>
+#include <gazebo/gui/GuiPlugin.hh>
 
 namespace gazebo {
     class GAZEBO_VISIBLE SetDistancePlugin : public GUIPlugin {
@@ -27,4 +30,5 @@ namespace gazebo {
         ~SetDistancePlugin() override = default;
     };
 } // namespace gazebo
-#endif
+
+#endif //_GUI_SET_DISTANCE_HH_

amr_gazebo/plugins/SetDistancePlugin.cc renamed to amr_gazebo/plugins/SetDistancePlugin.cpp

@@ -1,4 +1,4 @@
-#include "SetDistancePlugin.hh"
+#include "SetDistancePlugin.hpp"
 
 using namespace gazebo;