From 58d9d561df35f88884b2959d2cf322f1ee69e3cd Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <arturs.artamonovs@protonmail.com>
Date: Wed, 26 Jun 2024 08:29:38 +0100
Subject: Decoding lat/lon seems to work

---
 ADSBDecoder/AirplaneTracker.swift | 110 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 ADSBDecoder/AirplaneTracker.swift

(limited to 'ADSBDecoder/AirplaneTracker.swift')

diff --git a/ADSBDecoder/AirplaneTracker.swift b/ADSBDecoder/AirplaneTracker.swift
new file mode 100644
index 0000000..0ac8bfc
--- /dev/null
+++ b/ADSBDecoder/AirplaneTracker.swift
@@ -0,0 +1,110 @@
+//
+//  AirplaneTracker.swift
+//  ADSBDecoder
+//
+//  Created by Jacky Jack on 20/06/2024.
+//
+
+import Foundation
+
+struct Airplane {
+    var addressReady:Bool = false
+    var Address:Int
+    var ICAOready:Bool = false
+    var ICAOname:String = ""
+    var locationReady:Bool = false
+    var lat:Double = 0.0
+    var long:Double = 0.0
+    var altitudeReady:Bool = false
+    var altitude:Int = 0
+    var altitudeCount:Int = 0
+    var positionDecoder:PositionDecoder = PositionDecoder()
+}
+
+class AirPlaneTracker {
+    
+    var airplanes:[Int:Airplane] = [:]
+    
+    init () {
+        
+    }
+    
+    func addDF17Indentification(_ address: Int, _ ICAOname: String) {
+        if (airplanes[address] == nil) {
+            airplanes[address] = Airplane(addressReady: true, Address: address,ICAOready: true, ICAOname: ICAOname)
+            
+        } else {
+            if (airplanes[address]?.ICAOname == "") {
+                airplanes[address]?.ICAOname = ICAOname
+                airplanes[address]?.ICAOready = true
+            }
+        }
+    }
+    
+    func addDF17AirBornPosition(_ address: Int, _ cpr_lat: Int, _ cpr_long: Int, _ alt: Int, _ even: Bool) {
+        
+        if airplanes[address] == nil {
+            return
+        }
+        
+        //deal with altitude
+        //if airplanes[address] != nil {
+            if (airplanes[address]?.altitudeReady != true) {
+                airplanes[address]?.altitudeReady = true
+                airplanes[address]?.altitude = alt
+                airplanes[address]?.altitudeCount += 1
+            } else {
+                airplanes[address]?.altitude = alt
+                airplanes[address]?.altitudeCount += 1
+            }
+        //}
+        //do the airborn position
+        if (even) {
+            airplanes[address]?.positionDecoder.addEvenPosition(UInt32(cpr_lat), UInt32(cpr_long), mstime())
+        } else {
+            
+            airplanes[address]?.positionDecoder.addOddPosition(UInt32(cpr_lat), UInt32(cpr_long), mstime())
+        }
+        
+    }
+
+    
+    func getPosition(_ address: Int) -> (Double,Double)? {
+        if (airplanes[address] == nil) {
+            return nil
+        }
+        
+        if let airplane = airplanes[address] {
+            if (airplane.positionDecoder.calcPosition()) {
+                return airplane.positionDecoder.getPosition()
+            }
+        }
+        
+        return nil
+    }
+    
+    func getAltitude() {
+        
+        print("not implemented")
+    }
+    
+    func printAllICAOnames() {
+        let extra = true
+        var once=false
+        for (address,plane) in airplanes {
+            if plane.ICAOready {
+                print(String("\(plane.ICAOname) "), terminator: "")
+            }
+            if (extra) {
+                print("Alitude \(plane.altitudeCount) Positions \(plane.positionDecoder.queue.count)")
+            }
+            //if (!once) {
+            //    for i in plane.positionDecoder.queue {
+            //        print("\(i.cpr_lat) \(i.cpr_long) \(i.even)")
+            //    }
+            //    once = true
+            //}
+        }
+    }
+    
+}
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