Nikolai V Chr
5 years ago
parent
e1a4afc466
commit
38ee53a183
@ -1,403 +0,0 @@
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var clamp = func(v, min, max) { v < min ? min : v > max ? max : v }
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var encode3bits = func(first, second, third) {
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var integer = first;
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integer = integer + 2 * second;
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integer = integer + 4 * third;
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return integer;
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}
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var FALSE = 0;
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var TRUE = 1;
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var AIR = 0;
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var MARINE = 1;
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var SURFACE = 2;
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var ORDNANCE = 3;
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var Contact = {
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# For now only used in guided missiles, to make it compatible with Mirage 2000-5.
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new: func(c, class) {
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var obj = { parents : [Contact]};
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#debug.benchmark("radar process1", func {
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obj.rdrProp = c.getNode("radar");
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obj.oriProp = c.getNode("orientation");
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obj.velProp = c.getNode("velocities");
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obj.posProp = c.getNode("position");
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obj.heading = obj.oriProp.getNode("true-heading-deg");
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#});
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#debug.benchmark("radar process2", func {
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obj.alt = obj.posProp.getNode("altitude-ft");
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obj.lat = obj.posProp.getNode("latitude-deg");
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obj.lon = obj.posProp.getNode("longitude-deg");
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#});
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#debug.benchmark("radar process3", func {
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#As it is a geo.Coord object, we have to update lat/lon/alt ->and alt is in meters
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obj.coord = geo.Coord.new();
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obj.coord.set_latlon(obj.lat.getValue(), obj.lon.getValue(), obj.alt.getValue() * FT2M);
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#});
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#debug.benchmark("radar process4", func {
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obj.pitch = obj.oriProp.getNode("pitch-deg");
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obj.speed = obj.velProp.getNode("true-airspeed-kt");
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obj.vSpeed = obj.velProp.getNode("vertical-speed-fps");
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obj.callsign = c.getNode("callsign", 1);
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obj.shorter = c.getNode("model-shorter");
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obj.orig_callsign = obj.callsign.getValue();
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obj.name = c.getNode("name");
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obj.sign = c.getNode("sign",1);
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obj.valid = c.getNode("valid");
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obj.painted = c.getNode("painted");
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obj.unique = c.getNode("unique");
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obj.validTree = 0;
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#});
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#debug.benchmark("radar process5", func {
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#obj.transponderID = c.getNode("instrumentation/transponder/transmitted-id");
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#});
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#debug.benchmark("radar process6", func {
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obj.acType = c.getNode("sim/model/ac-type");
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obj.type = c.getName();
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obj.index = c.getIndex();
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obj.string = "ai/models/" ~ obj.type ~ "[" ~ obj.index ~ "]";
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obj.shortString = obj.type ~ "[" ~ obj.index ~ "]";
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#});
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#debug.benchmark("radar process7", func {
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obj.range = obj.rdrProp.getNode("range-nm");
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obj.bearing = obj.rdrProp.getNode("bearing-deg");
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obj.elevation = obj.rdrProp.getNode("elevation-deg");
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#});
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obj.deviation = nil;
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obj.node = c;
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obj.class = class;
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obj.polar = [0,0];
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obj.cartesian = [0,0];
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return obj;
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},
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isValid: func () {
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var valid = me.valid.getValue();
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if (valid == nil) {
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valid = FALSE;
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}
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if (me.callsign.getValue() != me.orig_callsign) {
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valid = FALSE;
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}
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return valid;
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},
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isPainted: func () {
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if (me.painted == nil) {
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me.painted = me.node.getNode("painted");
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}
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if (me.painted == nil) {
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return nil;
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}
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var p = me.painted.getValue();
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return p;
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},
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getUnique: func () {
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if (me.unique == nil) {
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me.unique = me.node.getNode("unique");
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}
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if (me.unique == nil) {
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return nil;
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}
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var u = me.unique.getValue();
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return u;
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},
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getElevation: func() {
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var e = 0;
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e = me.elevation.getValue();
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if(e == nil or e == 0) {
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# AI/MP has no radar properties
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var self = geo.aircraft_position();
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me.get_Coord();
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var angleInv = clamp(self.distance_to(me.coord)/self.direct_distance_to(me.coord), -1, 1);
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e = (self.alt()>me.coord.alt()?-1:1)*math.acos(angleInv)*R2D;
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}
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return e;
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},
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getNode: func () {
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return me.node;
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},
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getFlareNode: func () {
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return me.node.getNode("sim/multiplay/generic/string[10]");
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},
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setPolar: func(dist, angle) {
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me.polar = [dist,angle];
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},
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setCartesian: func(x, y) {
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me.cartesian = [x,y];
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},
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remove: func(){
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if(me.validTree != 0){
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me.validTree.setValue(0);
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}
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},
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get_Coord: func(){
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me.coord.set_latlon(me.lat.getValue(), me.lon.getValue(), me.alt.getValue() * FT2M);
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var TgTCoord = geo.Coord.new(me.coord);
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return TgTCoord;
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},
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get_Callsign: func(){
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var n = me.callsign.getValue();
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if(n != "" and n != nil) {
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return n;
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}
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if (me.name == nil) {
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me.name = me.getNode().getNode("name");
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}
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if (me.name == nil) {
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n = "";
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} else {
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n = me.name.getValue();
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}
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if(n != "" and n != nil) {
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return n;
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}
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n = me.sign.getValue();
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if(n != "" and n != nil) {
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return n;
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}
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return "UFO";
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},
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get_model: func(){
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var n = "";
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if (me.shorter == nil) {
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me.shorter = me.node.getNode("model-shorter");
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}
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if (me.shorter != nil) {
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n = me.shorter.getValue();
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}
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if(n != "" and n != nil) {
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return n;
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}
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n = me.sign.getValue();
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if(n != "" and n != nil) {
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return n;
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}
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if (me.name == nil) {
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me.name = me.getNode().getNode("name");
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}
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if (me.name == nil) {
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n = "";
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} else {
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n = me.name.getValue();
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}
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if(n != "" and n != nil) {
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return n;
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}
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return me.get_Callsign();
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},
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get_Speed: func(){
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# return true airspeed
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var n = me.speed.getValue();
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return n;
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},
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get_Longitude: func(){
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var n = me.lon.getValue();
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return n;
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},
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get_Latitude: func(){
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var n = me.lat.getValue();
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return n;
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},
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get_Pitch: func(){
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var n = me.pitch.getValue();
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return n;
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},
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get_heading : func(){
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var n = me.heading.getValue();
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if(n == nil)
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{
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n = 0;
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}
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return n;
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},
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get_bearing: func(){
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var n = 0;
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n = me.bearing.getValue();
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if(n == nil or n == 0) {
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# AI/MP has no radar properties
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n = me.get_bearing_from_Coord(geo.aircraft_position());
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}
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return n;
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},
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get_bearing_from_Coord: func(MyAircraftCoord){
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me.get_Coord();
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var myBearing = 0;
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if(me.coord.is_defined()) {
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myBearing = MyAircraftCoord.course_to(me.coord);
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}
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return myBearing;
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},
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get_reciprocal_bearing: func(){
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return geo.normdeg(me.get_bearing() + 180);
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},
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get_deviation: func(true_heading_ref, coord){
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me.deviation = - deviation_normdeg(true_heading_ref, me.get_bearing_from_Coord(coord));
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return me.deviation;
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},
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get_altitude: func(){
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#Return Alt in feet
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return me.alt.getValue();
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},
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get_Elevation_from_Coord: func(MyAircraftCoord) {
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me.get_Coord();
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var value = (me.coord.alt() - MyAircraftCoord.alt()) / me.coord.direct_distance_to(MyAircraftCoord);
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if (math.abs(value) > 1) {
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# warning this else will fail if logged in as observer and see aircraft on other side of globe
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return 0;
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}
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var myPitch = math.asin(value) * R2D;
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return myPitch;
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},
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get_total_elevation_from_Coord: func(own_pitch, MyAircraftCoord){
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var myTotalElevation = - deviation_normdeg(own_pitch, me.get_Elevation_from_Coord(MyAircraftCoord));
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return myTotalElevation;
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},
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get_total_elevation: func(own_pitch) {
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me.deviation = - deviation_normdeg(own_pitch, me.getElevation());
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return me.deviation;
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},
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get_range: func() {
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var r = 0;
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if(me.range == nil or me.range.getValue() == nil or me.range.getValue() == 0) {
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# AI/MP has no radar properties
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me.get_Coord();
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r = me.coord.direct_distance_to(geo.aircraft_position()) * M2NM;
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} else {
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r = me.range.getValue();
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}
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return r;
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},
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get_range_from_Coord: func(MyAircraftCoord) {
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var myCoord = me.get_Coord();
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var myDistance = 0;
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if(myCoord.is_defined()) {
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myDistance = MyAircraftCoord.direct_distance_to(myCoord) * M2NM;
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}
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return myDistance;
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},
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get_type: func () {
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return me.class;
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},
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get_cartesian: func() {
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return me.cartesian;
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},
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get_polar: func() {
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return me.polar;
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},
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};
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var isNotBehindTerrain = func( mp ) {
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###########
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var pos = mp.getNode("position");
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var alt = pos.getNode("altitude-ft").getValue();
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var lat = pos.getNode("latitude-deg").getValue();
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var lon = pos.getNode("longitude-deg").getValue();
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if(alt == nil or lat == nil or lon == nil) {
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return isVisible = 0;
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}
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var aircraftPos = geo.Coord.new().set_latlon(lat, lon, alt*0.3048);
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#################
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var isVisible = 0;
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var MyCoord = geo.aircraft_position();
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# Because there is no terrain on earth that can be between these 2
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if(MyCoord.alt() < 8900 and aircraftPos.alt() < 8900)
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{
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# Temporary variable
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# A (our plane) coord in meters
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var a = MyCoord.x();
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var b = MyCoord.y();
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var c = MyCoord.z();
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# B (target) coord in meters
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var d = aircraftPos.x();
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var e = aircraftPos.y();
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var f = aircraftPos.z();
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var difa = d - a;
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var difb = e - b;
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var difc = f - c;
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# direct Distance in meters
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var myDistance = math.sqrt( math.pow((d-a),2) + math.pow((e-b),2) + math.pow((f-c),2)); #calculating distance ourselves to avoid another call to geo.nas (read: speed, probably).
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var Aprime = geo.Coord.new();
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# Here is to limit FPS drop on very long distance
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var L = 500;
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if(myDistance > 50000)
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{
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L = myDistance / 15;
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}
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var step = L;
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var maxLoops = int(myDistance / L);
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isVisible = 1;
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# This loop will make travel a point between us and the target and check if there is terrain
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for(var i = 1 ; i <= maxLoops ; i += 1)
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{
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#calculate intermediate step
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#basically dividing the line into maxLoops number of steps, and checking at each step
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#to ascii-art explain it:
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# |us|----------|step 1|-----------|step 2|--------|step 3|----------|them|
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#there will be as many steps as there is i
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#every step will be equidistant
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#also, if i == 0 then the first step will be our plane
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var x = ((difa/(maxLoops+1))*i)+a;
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var y = ((difb/(maxLoops+1))*i)+b;
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var z = ((difc/(maxLoops+1))*i)+c;
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#print("i:" ~ i ~ "|x,y,z | " ~ x ~ "," ~ y ~ "," ~ z);
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Aprime.set_xyz(x,y,z);
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var AprimeTerrainAlt = geo.elevation(Aprime.lat(), Aprime.lon());
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if(AprimeTerrainAlt == nil)
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{
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AprimeTerrainAlt = 0;
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}
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if(AprimeTerrainAlt > Aprime.alt())
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{
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#print("behind terrain");
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return 0;
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}
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}
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}
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else
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{
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isVisible = 1;
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}
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return isVisible;
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}
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