X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fstructure%2Fsubsystem_mgr.hxx;h=02332056a7dbda213890486a71368adf8e7e2e74;hb=c37b27a926b150bc0a63b23ccebddc6d56607bf1;hp=a751d30699426c14561447c1acbd741e78421384;hpb=006f90997a8eef6704de2511e38fcc786672308d;p=simgear.git

diff --git a/simgear/structure/subsystem_mgr.hxx b/simgear/structure/subsystem_mgr.hxx
index a751d306..02332056 100644
--- a/simgear/structure/subsystem_mgr.hxx
+++ b/simgear/structure/subsystem_mgr.hxx
@@ -317,6 +317,10 @@ public:
 
     void collectDebugTiming(bool collect);
 
+    /**
+     * 
+     */
+    void set_fixed_update_time(double fixed_dt);
 private:
 
     class Member {
@@ -345,6 +349,9 @@ private:
     Member * get_member (const string &name, bool create = false);
 
     vector<Member *> _members;
+    
+    double _fixedUpdateTime;
+    double _updateTimeRemainder;
 };
 
 
@@ -376,6 +383,9 @@ public:
     enum GroupType {
         INIT = 0,
         GENERAL,
+        FDM,  ///< flight model, autopilot, instruments that run coupled
+        POST_FDM,   ///< certain subsystems depend on FDM data
+        DISPLAY,    ///< view, camera, rendering updates
         MAX_GROUPS
     };