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- Alexis Bory: minor fixes.

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abory 2008-09-27 20:33:29 +00:00
parent 2ea8466111
commit ac84c93b68
2 changed files with 74 additions and 33 deletions
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105
Aircraft/Generic/radardist.nas
View file

@ -14,56 +14,97 @@
# radar stuff too.
var data_path = getprop("/sim/fg-root") ~ "/Aircraft/Generic/radardist.xml";
var data_path = getprop("/sim/fg-root") ~ "/Aircraft/Generic/radardist.xml";
var aircraftData = {};
var radarData = [];
var radarData = [];
mpnode_string = nil;
var cutname = nil;
var mpnode = nil;
var mpname_node_string = nil;
var mpname_node = nil;
var mpname = nil;
var splitname = nil;
var acname = nil;
var rcs_4r = nil;
var radartype = nil;
var alt_corr = nil;
var alt_ac = nil;
var agl_corr = nil;
var mp_lon = nil;
var mp_lat = nil;
var pos_elev = nil;
var mp_agl = nil;
var det_range = nil;
var act_range = nil;
var max_range = nil;
var radar_range = nil;
var radar_area = nil;
var have_radar = nil;
var FT2M = 0.3048;
var NM2KM = 1.852;
var my_maxrange = func(myaircraft) {
var myacname = aircraftData[myaircraft] or 0;
var my_radar_area = radarData[myacname][7];
var my_radar_range = radarData[myacname][5];
#print ("aircraft = " ~ radarData[myacname][1]);
#print ("range = " ~ radarData[myacname][5]);
#print ("aera = " ~ radarData[myacname][7]);
return( my_radar_range / my_radar_area);
var my_maxrange = func(a) {
max_range = 0;
radar_range = 0;
radar_area = 0;
acname = aircraftData[a] or 0;
if ( acname ) {
have_radar = radarData[acname][4];
if ( have_radar != "none" and have_radar != "unknown") {
radar_area = radarData[acname][7];
radar_range = radarData[acname][5];
if ( radar_area > 0 ) { max_range = radar_range / radar_area }
}
}
#var plane = radarData[acname][2];
#print ("aircraft = " ~ plane);
#print ("range = " ~ radar_range);
#print ("aera = " ~ radar_area);
return( max_range );
}
var radis = func(t, my_radarcorr) {
var get_aircraft_name = func( t ) {
# Get the multiplayer aircraft name.
var mpnode_string = t;
var mpnode = props.globals.getNode(mpnode_string);
mpnode_string = t;
mpnode = props.globals.getNode(mpnode_string);
if ( find("tanker", mpnode_string) > 0 ) {
#print("tanker");
var cutname = "KC135";
cutname = "KC135";
} else {
var mpname_node_string = mpnode_string ~ "/sim/model/path";
var mpname_node = props.globals.getNode(mpname_node_string);
mpname_node_string = mpnode_string ~ "/sim/model/path";
mpname_node = props.globals.getNode(mpname_node_string);
#print(mpname_node_string);
if (mpname_node == nil) { return(0) }
var mpname = mpname_node.getValue();
if (mpname == nil) { return(0) }
var splitname = split("/", mpname);
var cutname = splitname[1];
splitname = split("/", mpname);
cutname = splitname[1];
}
return( cutname );
}
var radis = func(t, my_radarcorr) {
cutname = get_aircraft_name(t);
# Calculate the rcs detection range,
# if aircraft is not found in list, 0 (generic) will be used.
var acname = aircraftData[cutname];
acname = aircraftData[cutname];
if ( acname == nil ) { acname = 0 }
var rcs_4r = radarData[acname][3];
var radartype = radarData[acname][1];
rcs_4r = radarData[acname][3];
radartype = radarData[acname][1];
# Add a correction factor for altitude, as lower alt means
# shorter radar distance (due to air turbulence).
var alt_corr = 1;
var alt_ac = mpnode.getNode("position/altitude-ft").getValue();
alt_corr = 1;
alt_ac = mpnode.getNode("position/altitude-ft").getValue();
if (alt_ac <= 1000) {
alt_corr = 0.6;
} elsif ((alt_ac > 1000) and (alt_ac <= 5000)) {
@ -71,13 +112,13 @@ var radis = func(t, my_radarcorr) {
}
# Add a correction factor for altitude AGL.
var agl_corr = 1;
var mp_lon = mpnode.getNode("position/longitude-deg").getValue();
var mp_lat = mpnode.getNode("position/latitude-deg").getValue();
var pos_elev = geo.elevation(mp_lat, mp_lon);
agl_corr = 1;
mp_lon = mpnode.getNode("position/longitude-deg").getValue();
mp_lat = mpnode.getNode("position/latitude-deg").getValue();
pos_elev = geo.elevation(mp_lat, mp_lon);
if (pos_elev != nil) {
#print("pos_elev: " ~ pos_elev);
var mp_agl = alt_ac - ( pos_elev / FT2M );
mp_agl = alt_ac - ( pos_elev / FT2M );
if (mp_agl <= 20) {
agl_corr = 0.03;
} elsif ((mp_agl > 20) and (mp_agl <= 50)) {
@ -94,12 +135,12 @@ var radis = func(t, my_radarcorr) {
}
# Calculate the detection distance for this multiplayer.
var det_range = my_radarcorr * rcs_4r * alt_corr * agl_corr / NM2KM;
det_range = my_radarcorr * rcs_4r * alt_corr * agl_corr / NM2KM;
#print (radartype);
#print (rcs_4r);
### Compare if aircraft is in detection range and return.
var act_range = mpnode.getNode("radar/range-nm").getValue() or 500;
act_range = mpnode.getNode("radar/range-nm").getValue() or 500;
#print (det_range ~ " " ~ act_range);
if (det_range >= act_range) {
#print("paint it");

2
Aircraft/Generic/radardist.xml
View file

@ -372,7 +372,7 @@ max. radar range target seize(RCS)m2, 4th root of radar RCS -->
</aircraft>
<aircraft n="39">
<name n="0">f-15</name>
<name n="1">f-15c</name>
<name n="1">f15c</name>
<rcs-sq-meter>30</rcs-sq-meter>
<rcs-4th-root>2.34</rcs-4th-root>
<radar-type>APG-70</radar-type>