X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Futil.cxx;h=0986e91ea47a71c93b9595c25affa837743abc22;hb=b587400846111cc4d6713dcdd38b715c97923d5a;hp=e2c12cd742076f2c887fb725da900fb1dfbcfe99;hpb=b2625867634717cc42f7935379b461bb9acb081f;p=flightgear.git diff --git a/src/Main/util.cxx b/src/Main/util.cxx index e2c12cd74..0986e91ea 100644 --- a/src/Main/util.cxx +++ b/src/Main/util.cxx @@ -1,5 +1,5 @@ // util.cxx - general-purpose utility functions. -// Copyright (C) 2002 Curtis L. Olson - curt@me.umn.edu +// Copyright (C) 2002 Curtis L. Olson - http://www.flightgear.org/~curt // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as @@ -13,7 +13,7 @@ // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software -// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // $Id$ @@ -22,8 +22,10 @@ #include +#include + #include -SG_USING_STD(vector); +using std::vector; #include @@ -32,11 +34,10 @@ SG_USING_STD(vector); #include "globals.hxx" #include "util.hxx" -#if defined(FG_NETWORK_OLK) -#include +#ifdef OSG_LIBRARY_STATIC +#include "osgDB/Registry" #endif - void fgDefaultWeatherValue (const char * propname, double value) { @@ -57,17 +58,63 @@ fgDefaultWeatherValue (const char * propname, double value) void -fgExit (int status) +fgSetupWind (double min_hdg, double max_hdg, double speed, double gust) { - SG_LOG(SG_GENERAL, SG_INFO, "Exiting FlightGear with status " << status); + // 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); +} + -#if defined(FG_NETWORK_OLK) - if (fgGetBool("/sim/networking/network-olk")) - fgd_send_com("8", FGFS_host); +void +fgExit (int status) +{ +#ifdef OSG_LIBRARY_STATIC + osgDB::Registry::instance( true); #endif - globals->get_io()->shutdown_all(); - exit(status); + SG_LOG(SG_GENERAL, SG_INFO, "Exiting FlightGear with status " << status); + std::exit(status); } @@ -76,7 +123,7 @@ 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 { @@ -98,5 +145,79 @@ fgGetLowPass (double current, double target, double timeratio) return current; } + +string +fgUnescape (const char *s) +{ + string r; + while (*s) { + if (*s != '\\') { + r += *s++; + continue; + } + if (!*++s) + break; + if (*s == '\\') { + r += '\\'; + } else if (*s == 'n') { + r += '\n'; + } else if (*s == 'r') { + r += '\r'; + } else if (*s == 't') { + r += '\t'; + } else if (*s == 'v') { + r += '\v'; + } else if (*s == 'f') { + r += '\f'; + } else if (*s == 'a') { + r += '\a'; + } else if (*s == 'b') { + r += '\b'; + } else if (*s == 'x') { + if (!*++s) + break; + int v = 0; + for (int i = 0; i < 2 && isxdigit(*s); i++, s++) + v = v * 16 + (isdigit(*s) ? *s - '0' : 10 + tolower(*s) - 'a'); + r += v; + continue; + + } else if (*s >= '0' && *s <= '7') { + int v = *s++ - '0'; + for (int i = 0; i < 3 && *s >= '0' && *s <= '7'; i++, s++) + v = v * 8 + *s - '0'; + r += v; + continue; + + } else { + r += *s; + } + s++; + } + return r; +} + + +// 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) +{ + static SGPropertyNode_ptr r, w; + if (!r) { + 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; +} + // end of util.cxx