Fix line endings

[flightgear.git] / src / Main / main.cxx

diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index c5fd29ab44b10291305f54e8187c35560c08e36e..4adc55995c47a9e4efd0e586866355155dc6ead7 100644 (file)
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -74,12 +74,7 @@
 #include <Time/fg_timer.hxx>
 #include <Environment/environment_mgr.hxx>
 #include <GUI/new_gui.hxx>
-
-#ifdef FG_MPLAYER_AS
 #include <MultiPlayer/multiplaymgr.hxx>
-#endif
-
-
 
 #include "fg_commands.hxx"
 #include "fg_io.hxx"
@@ -220,6 +215,8 @@ static void fgMainLoop( void ) {
         = fgGetNode("/sim/freeze/clock", true);
     static const SGPropertyNode *cur_time_override
         = fgGetNode("/sim/time/cur-time-override", true);
+    static const SGPropertyNode *max_simtime_per_frame
+        = fgGetNode("/sim/max-simtime-per-frame", true);
 
     SGCloudLayer::enable_bump_mapping = fgGetBool("/sim/rendering/bump-mapping");
 
@@ -292,6 +289,20 @@ static void fgMainLoop( void ) {
 
     real_delta_time_sec
         = double(current_time_stamp - last_time_stamp) / 1000000.0;
+
+    // Limit the time we need to spend in simulation loops
+    // That means, if the /sim/max-simtime-per-frame value is strictly positive
+    // you can limit the maximum amount of time you will do simulations for
+    // one frame to display. The cpu time spent in simulations code is roughtly
+    // at least O(real_delta_time_sec). If this is (due to running debug
+    // builds or valgrind or something different blowing up execution times)
+    // larger than the real time you will no more get any response
+    // from flightgear. This limits that effect. Just set to property from
+    // your .fgfsrc or commandline ...
+    double dtMax = max_simtime_per_frame->getDoubleValue();
+    if (0 < dtMax && dtMax < real_delta_time_sec)
+      real_delta_time_sec = dtMax;
+
     // round the real time down to a multiple of 1/model-hz.
     // this way all systems are updated the _same_ amount of dt.
     {
@@ -438,19 +449,20 @@ static void fgMainLoop( void ) {
     ++frames;
 #endif
 
+    // Update any multiplayer's network queues, the AIMultiplayer
+    // implementation is an AI model and depends on that
+    globals->get_multiplayer_mgr()->Update();
+
     // Run ATC subsystem
     if (fgGetBool("/sim/atc/enabled"))
         globals->get_ATC_mgr()->update(delta_time_sec);
 
     // Run the AI subsystem
+    // FIXME: run that also if we have multiplying enabled since the
+    // multiplayer information is interpreted by an AI model
     if (fgGetBool("/sim/ai-traffic/enabled"))
         globals->get_AI_mgr()->update(delta_time_sec);
 
-#ifdef FG_MPLAYER_AS
-    // Update any multiplayer models
-    globals->get_multiplayer_mgr()->Update();
-#endif
-
     // Run flight model
 
     // Calculate model iterations needed for next frame
@@ -941,7 +953,7 @@ bool fgMainInit( int argc, char **argv ) {
     fgInitFGRoot(argc, argv);
 
     // Check for the correct base package version
-    static char required_version[] = "0.9.8";
+    static char required_version[] = "0.9.9";
     string base_version = fgBasePackageVersion();
     if ( !(base_version == required_version) ) {
         // tell the operator how to use this application
@@ -995,7 +1007,7 @@ bool fgMainInit( int argc, char **argv ) {
     fgOSOpenWindow( fgGetInt("/sim/startup/xsize"),
                     fgGetInt("/sim/startup/ysize"),
                     fgGetInt("/sim/rendering/bits-per-pixel"),
-                    fgGetBool("/sim/rendering/clouds3d"),
+                    fgGetBool("/sim/rendering/clouds3d-enable"),
                     get_stencil_buffer,
                     fgGetBool("/sim/startup/fullscreen") );