From 38951726315e5079daf39262c7d05024c923ff32 Mon Sep 17 00:00:00 2001
From: hba56 <hba56@uclive.ac.nz>
Date: Sun, 14 May 2017 17:25:44 +1200
Subject: [PATCH] updated the race class to set heading for windward legs 
 #story[873]

---
 mock/src/main/java/seng302/Model/Boat.java | 18 ++++++++
 mock/src/main/java/seng302/Model/Race.java | 52 ++++++++++++++++++----
 2 files changed, 62 insertions(+), 8 deletions(-)

diff --git a/mock/src/main/java/seng302/Model/Boat.java b/mock/src/main/java/seng302/Model/Boat.java
index 47bee639..9b81d975 100644
--- a/mock/src/main/java/seng302/Model/Boat.java
+++ b/mock/src/main/java/seng302/Model/Boat.java
@@ -14,6 +14,8 @@ public class Boat {
     private int sourceID;
     private Leg currentLeg;
     private double distanceTravelledInLeg;
+    private double distanceTravelledInTack;
+    private double distanceForTack;
     private GPSCoordinate currentPosition;
     private long timeFinished = -1;
     private boolean started = false;
@@ -139,6 +141,22 @@ public class Boat {
         this.distanceTravelledInLeg = distanceTravelledInLeg;
     }
 
+    public double getDistanceTravelledInTack() {
+        return distanceTravelledInTack;
+    }
+
+    public void setDistanceTravelledInTack(double distanceTravelledInTack) {
+        this.distanceTravelledInTack = distanceTravelledInTack;
+    }
+
+    public double getDistanceForTack() {
+        return distanceForTack;
+    }
+
+    public void setDistanceForTack(double distanceForTack) {
+        this.distanceForTack = distanceForTack;
+    }
+
     public GPSCoordinate getCurrentPosition() {
         return currentPosition;
     }
diff --git a/mock/src/main/java/seng302/Model/Race.java b/mock/src/main/java/seng302/Model/Race.java
index 316cc131..a1ae7f8c 100644
--- a/mock/src/main/java/seng302/Model/Race.java
+++ b/mock/src/main/java/seng302/Model/Race.java
@@ -19,6 +19,10 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
 
+import static java.lang.Math.cos;
+import static java.lang.Math.max;
+import static java.lang.Math.min;
+
 
 /**
  * Parent class for races
@@ -300,25 +304,57 @@ public class Race implements Runnable {
 
         boolean finish = boat.getCurrentLeg().getName().equals("Finish");
         if (!finish) {
-            if(!GPSCoordinate.isInsideBoundary(boat.getCurrentPosition(), this.boundary)){
-//todo - find the acceptable values for direction
-            } else{
-                VMG newHeading = boat.getPolars().calculateVMG(180, 30,
-                        boat.calculateBearingToDestination());//todo - get the wind speed from somewhere
+            int windAngle = 360;//todo - get the wind speed from somewhere, using 360 for now
+            if(boat.getCurrentLeg().getName().endsWith("to Windward Gate")){//todo something is broken in this if statement, not sure what
+                double totalDistanceTravelledInTack = distanceTravelled + boat.getDistanceTravelledInTack();
+
+                double bound1 = (boat.calculateBearingToDestination()-90)%360;
+                double bound2 = (boat.calculateBearingToDestination()+90)%360;
+
+                VMG newHeading = boat.getPolars().calculateVMG(windAngle, 30,
+                        boat.calculateBearingToDestination(), min(bound1, bound2), max(bound1,bound2));
+
+
+                double azimuth = newHeading.bearing;
+                if (newHeading.bearing > 180){
+                    azimuth = newHeading.bearing -360;
+                }
+
+//                if (!GPSCoordinate.isInsideBoundary(calculatePosition(boat.getCurrentPosition(),
+//                        1, azimuth), boundary)){
+//                    System.out.println("LDFSGSDFG");
+//                    double tempHeading = (newHeading.bearing+90)%360;
+//                    newHeading.bearing = tempHeading;
+//                }
+
                 boat.setHeading(newHeading.bearing);
                 boat.setVelocity(newHeading.speed);
-//            boat.setHeading(boat.calculateHeading());
+
+                //calc the distance travelled in a straight line to windward
+                double angleBetweenDestAndHeading = newHeading.bearing - boat.calculateBearingToDestination();
+                totalDistanceTravelled = cos(angleBetweenDestAndHeading)*totalDistanceTravelledInTack;
+                boat.setDistanceTravelledInLeg(totalDistanceTravelled);
+
+                //Calculate boat's new position by adding the distance travelled onto the start point of the leg
+                boat.setCurrentPosition(calculatePosition(boat.getCurrentPosition(),
+                        totalDistanceTravelledInTack, azimuth));
+
+            }else{
+                boat.setHeading(boat.calculateHeading());
                 //update boat's distance travelled
                 boat.setDistanceTravelledInLeg(totalDistanceTravelled);
                 //Calculate boat's new position by adding the distance travelled onto the start point of the leg
                 boat.setCurrentPosition(calculatePosition(boat.getCurrentLeg().getStartMarker().getAverageGPSCoordinate(),
-                        totalDistanceTravelled, boat.getHeading()));
+                        totalDistanceTravelled, boat.calculateAzimuth(boat.getCurrentLeg().getStartMarker().getAverageGPSCoordinate(),
+                                boat.getCurrentLeg().getEndMarker().getAverageGPSCoordinate())));
             }
-
         }
     }
 
     protected void checkPosition(Boat boat, long timeElapsed) {
+        System.out.println(boat.getDistanceTravelledInLeg());
+        System.out.println(boat.getCurrentLeg().getDistance());
+        System.out.println(" ");
         if (boat.getDistanceTravelledInLeg() > boat.getCurrentLeg().getDistance()) {
             //boat has passed onto new leg
             if (boat.getCurrentLeg().getName().equals("Finish")) {