- Alexis Bory: minor fixes.
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abory
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2ea8466111
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ac84c93b68
2 changed files with 74 additions and 33 deletions
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@ -18,52 +18,93 @@ var data_path = getprop("/sim/fg-root") ~ "/Aircraft/Generic/radardist.xml";
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var aircraftData = {};
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var radarData = [];
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mpnode_string = nil;
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var cutname = nil;
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var mpnode = nil;
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var mpname_node_string = nil;
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var mpname_node = nil;
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var mpname = nil;
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var splitname = nil;
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var acname = nil;
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var rcs_4r = nil;
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var radartype = nil;
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var alt_corr = nil;
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var alt_ac = nil;
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var agl_corr = nil;
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var mp_lon = nil;
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var mp_lat = nil;
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var pos_elev = nil;
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var mp_agl = nil;
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var det_range = nil;
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var act_range = nil;
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var max_range = nil;
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var radar_range = nil;
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var radar_area = nil;
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var have_radar = nil;
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var FT2M = 0.3048;
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var NM2KM = 1.852;
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var my_maxrange = func(myaircraft) {
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var myacname = aircraftData[myaircraft] or 0;
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var my_radar_area = radarData[myacname][7];
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var my_radar_range = radarData[myacname][5];
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#print ("aircraft = " ~ radarData[myacname][1]);
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#print ("range = " ~ radarData[myacname][5]);
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#print ("aera = " ~ radarData[myacname][7]);
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return( my_radar_range / my_radar_area);
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var my_maxrange = func(a) {
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max_range = 0;
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radar_range = 0;
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radar_area = 0;
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acname = aircraftData[a] or 0;
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if ( acname ) {
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have_radar = radarData[acname][4];
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if ( have_radar != "none" and have_radar != "unknown") {
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radar_area = radarData[acname][7];
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radar_range = radarData[acname][5];
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if ( radar_area > 0 ) { max_range = radar_range / radar_area }
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}
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}
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#var plane = radarData[acname][2];
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#print ("aircraft = " ~ plane);
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#print ("range = " ~ radar_range);
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#print ("aera = " ~ radar_area);
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return( max_range );
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}
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var radis = func(t, my_radarcorr) {
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var get_aircraft_name = func( t ) {
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# Get the multiplayer aircraft name.
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var mpnode_string = t;
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var mpnode = props.globals.getNode(mpnode_string);
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mpnode_string = t;
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mpnode = props.globals.getNode(mpnode_string);
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if ( find("tanker", mpnode_string) > 0 ) {
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#print("tanker");
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var cutname = "KC135";
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cutname = "KC135";
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} else {
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var mpname_node_string = mpnode_string ~ "/sim/model/path";
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var mpname_node = props.globals.getNode(mpname_node_string);
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mpname_node_string = mpnode_string ~ "/sim/model/path";
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mpname_node = props.globals.getNode(mpname_node_string);
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#print(mpname_node_string);
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if (mpname_node == nil) { return(0) }
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var mpname = mpname_node.getValue();
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if (mpname == nil) { return(0) }
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var splitname = split("/", mpname);
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var cutname = splitname[1];
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splitname = split("/", mpname);
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cutname = splitname[1];
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}
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return( cutname );
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}
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var radis = func(t, my_radarcorr) {
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cutname = get_aircraft_name(t);
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# Calculate the rcs detection range,
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# if aircraft is not found in list, 0 (generic) will be used.
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var acname = aircraftData[cutname];
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acname = aircraftData[cutname];
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if ( acname == nil ) { acname = 0 }
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var rcs_4r = radarData[acname][3];
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var radartype = radarData[acname][1];
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rcs_4r = radarData[acname][3];
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radartype = radarData[acname][1];
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# Add a correction factor for altitude, as lower alt means
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# shorter radar distance (due to air turbulence).
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var alt_corr = 1;
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var alt_ac = mpnode.getNode("position/altitude-ft").getValue();
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alt_corr = 1;
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alt_ac = mpnode.getNode("position/altitude-ft").getValue();
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if (alt_ac <= 1000) {
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alt_corr = 0.6;
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} elsif ((alt_ac > 1000) and (alt_ac <= 5000)) {
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@ -71,13 +112,13 @@ var radis = func(t, my_radarcorr) {
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}
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# Add a correction factor for altitude AGL.
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var agl_corr = 1;
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var mp_lon = mpnode.getNode("position/longitude-deg").getValue();
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var mp_lat = mpnode.getNode("position/latitude-deg").getValue();
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var pos_elev = geo.elevation(mp_lat, mp_lon);
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agl_corr = 1;
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mp_lon = mpnode.getNode("position/longitude-deg").getValue();
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mp_lat = mpnode.getNode("position/latitude-deg").getValue();
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pos_elev = geo.elevation(mp_lat, mp_lon);
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if (pos_elev != nil) {
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#print("pos_elev: " ~ pos_elev);
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var mp_agl = alt_ac - ( pos_elev / FT2M );
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mp_agl = alt_ac - ( pos_elev / FT2M );
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if (mp_agl <= 20) {
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agl_corr = 0.03;
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} elsif ((mp_agl > 20) and (mp_agl <= 50)) {
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@ -94,12 +135,12 @@ var radis = func(t, my_radarcorr) {
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}
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# Calculate the detection distance for this multiplayer.
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var det_range = my_radarcorr * rcs_4r * alt_corr * agl_corr / NM2KM;
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det_range = my_radarcorr * rcs_4r * alt_corr * agl_corr / NM2KM;
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#print (radartype);
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#print (rcs_4r);
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### Compare if aircraft is in detection range and return.
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var act_range = mpnode.getNode("radar/range-nm").getValue() or 500;
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act_range = mpnode.getNode("radar/range-nm").getValue() or 500;
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#print (det_range ~ " " ~ act_range);
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if (det_range >= act_range) {
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#print("paint it");
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@ -372,7 +372,7 @@ max. radar range target seize(RCS)m2, 4th root of radar RCS -->
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</aircraft>
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<aircraft n="39">
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<name n="0">f-15</name>
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<name n="1">f-15c</name>
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<name n="1">f15c</name>
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<rcs-sq-meter>30</rcs-sq-meter>
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<rcs-4th-root>2.34</rcs-4th-root>
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<radar-type>APG-70</radar-type>
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