X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fstructure%2Fsubsystem_mgr.hxx;h=5b449ccab160063b5539e8ae46cff2062d3f531c;hb=1f6555c9ad3fb75cb474fbf99b46333830285514;hp=a751d30699426c14561447c1acbd741e78421384;hpb=006f90997a8eef6704de2511e38fcc786672308d;p=simgear.git

diff --git a/simgear/structure/subsystem_mgr.hxx b/simgear/structure/subsystem_mgr.hxx
index a751d306..5b449cca 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 {
@@ -340,11 +344,15 @@ private:
         double min_step_sec;
         double elapsed_sec;
         bool collectTimeStats;
+        int exceptionCount;
     };
 
     Member * get_member (const string &name, bool create = false);
 
     vector<Member *> _members;
+    
+    double _fixedUpdateTime;
+    double _updateTimeRemainder;
 };
 
 
@@ -376,6 +384,9 @@ 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
     };