]> git.mxchange.org Git - flightgear.git/blobdiff - src/Main/util.cxx
Force 32 bits depth on .ico - only for Windows
[flightgear.git] / src / Main / util.cxx
index 2a62521d4ae8d47974301d8655f765d0560a5358..5eed377345eeeb3cc6bb20d1d30b4a5c9732f3f7 100644 (file)
 //
 // $Id$
 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
 
 #include <simgear/compiler.h>
 
 #include <math.h>
 
+#include <cstdlib>
+
 #include <vector>
-SG_USING_STD(vector);
 
 #include <simgear/debug/logstream.hxx>
+#include <simgear/math/SGLimits.hxx>
+#include <simgear/math/SGMisc.hxx>
 
 #include "fg_io.hxx"
 #include "fg_props.hxx"
 #include "globals.hxx"
 #include "util.hxx"
 
+#ifdef OSG_LIBRARY_STATIC
+#include "osgDB/Registry"
+#endif
 
-void
-fgDefaultWeatherValue (const char * propname, double value)
-{
-    unsigned int i;
-
-    SGPropertyNode * branch = fgGetNode("/environment/config/boundary", true);
-    vector<SGPropertyNode_ptr> entries = branch->getChildren("entry");
-    for (i = 0; i < entries.size(); i++) {
-        entries[i]->setDoubleValue(propname, value);
-    }
-
-    branch = fgGetNode("/environment/config/aloft", true);
-    entries = branch->getChildren("entry");
-    for (i = 0; i < entries.size(); i++) {
-        entries[i]->setDoubleValue(propname, value);
-    }
-}
-
-
-void
-fgSetupWind (double min_hdg, double max_hdg, double speed, double gust)
-{
-                                // Initialize to a reasonable state
-  fgDefaultWeatherValue("wind-from-heading-deg", min_hdg);
-  fgDefaultWeatherValue("wind-speed-kt", speed);
-
-  SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << min_hdg << '@' <<
-         speed << " knots" << endl);
-
-                                // Now, add some variety to the layers
-  min_hdg += 10;
-  if (min_hdg > 360)
-      min_hdg -= 360;
-  speed *= 1.1;
-  fgSetDouble("/environment/config/boundary/entry[1]/wind-from-heading-deg",
-              min_hdg);
-  fgSetDouble("/environment/config/boundary/entry[1]/wind-speed-kt",
-              speed);
-
-  min_hdg += 20;
-  if (min_hdg > 360)
-      min_hdg -= 360;
-  speed *= 1.1;
-  fgSetDouble("/environment/config/aloft/entry[0]/wind-from-heading-deg",
-              min_hdg);
-  fgSetDouble("/environment/config/aloft/entry[0]/wind-speed-kt",
-              speed);
-
-  min_hdg += 10;
-  if (min_hdg > 360)
-      min_hdg -= 360;
-  speed *= 1.1;
-  fgSetDouble("/environment/config/aloft/entry[1]/wind-from-heading-deg",
-              min_hdg);
-  fgSetDouble("/environment/config/aloft/entry[1]/wind-speed-kt",
-              speed);
-
-  min_hdg += 10;
-  if (min_hdg > 360)
-      min_hdg -= 360;
-  speed *= 1.1;
-  fgSetDouble("/environment/config/aloft/entry[2]/wind-from-heading-deg",
-              min_hdg);
-  fgSetDouble("/environment/config/aloft/entry[2]/wind-speed-kt",
-              speed);
-}
-
-
-void
-fgExit (int status)
-{
-    SG_LOG(SG_GENERAL, SG_INFO, "Exiting FlightGear with status " << status);
-
-    exit(status);
-}
-
+using std::vector;
 
 // Originally written by Alex Perry.
 double
 fgGetLowPass (double current, double target, double timeratio)
 {
     if ( timeratio < 0.0 ) {
-       if ( timeratio < -1.0 ) {
+        if ( timeratio < -1.0 ) {
                                 // time went backwards; kill the filter
                 current = target;
         } else {
@@ -137,5 +71,32 @@ fgGetLowPass (double current, double target, double timeratio)
     return current;
 }
 
+// Write out path to validation node and read it back in. A Nasal
+// listener is supposed to replace the path with a validated version
+// or an empty string otherwise.
+const char *fgValidatePath (const char *str, bool write)
+{
+    SGPropertyNode_ptr r, w;
+    r = fgGetNode("/sim/paths/validate/read", true);
+    r->setAttribute(SGPropertyNode::READ, true);
+    r->setAttribute(SGPropertyNode::WRITE, true);
+
+    w = fgGetNode("/sim/paths/validate/write", true);
+    w->setAttribute(SGPropertyNode::READ, true);
+    w->setAttribute(SGPropertyNode::WRITE, true);
+
+    SGPropertyNode *prop = write ? w : r;
+    prop->setStringValue(str);
+    const char *result = prop->getStringValue();
+    return result[0] ? result : 0;
+}
+
+//------------------------------------------------------------------------------
+std::string fgValidatePath(const std::string& path, bool write)
+{
+  const char* validate_path = fgValidatePath(path.c_str(), write);
+  return std::string(validate_path ? validate_path : "");
+}
+
 // end of util.cxx