From 12e2ae9c0150ad6e3e5de6ca77ff606cb11fcbf8 Mon Sep 17 00:00:00 2001
From: Joseph Gardner <jjg64@uclive.ac.nz>
Date: Tue, 29 Aug 2017 13:21:34 +1200
Subject: [PATCH] Started implementing wind oscillation. #story[1187]

---
 .../src/main/java/mock/app/Event.java         | 17 ++++---
 .../model/wind/ShiftingWindGenerator.java     | 49 ++++++++++++++-----
 .../src/main/java/shared/model/Wind.java      |  7 +++
 3 files changed, 56 insertions(+), 17 deletions(-)

diff --git a/racevisionGame/src/main/java/mock/app/Event.java b/racevisionGame/src/main/java/mock/app/Event.java
index f36ac714..096705bb 100644
--- a/racevisionGame/src/main/java/mock/app/Event.java
+++ b/racevisionGame/src/main/java/mock/app/Event.java
@@ -5,6 +5,7 @@ import mock.exceptions.EventConstructionException;
 import mock.model.*;
 import mock.model.commandFactory.CompositeCommand;
 import mock.model.wind.RandomWindGenerator;
+import mock.model.wind.ShiftingWindGenerator;
 import mock.model.wind.WindGenerator;
 import mock.xml.RaceXMLCreator;
 import network.Messages.LatestMessages;
@@ -124,13 +125,17 @@ public class Event {
         this.latestMessages = new LatestMessages();
 
         //Create and start race.
-        WindGenerator windGenerator = new RandomWindGenerator(
+//        WindGenerator windGenerator = new RandomWindGenerator(
+//                Bearing.fromDegrees(225),
+//                Bearing.fromDegrees(215),
+//                Bearing.fromDegrees(235),
+//                12d,
+//                8d,
+//                16d );
+        WindGenerator windGenerator = new ShiftingWindGenerator(
                 Bearing.fromDegrees(225),
-                Bearing.fromDegrees(215),
-                Bearing.fromDegrees(235),
-                12d,
-                8d,
-                16d );
+                12
+        );
         RaceLogic newRace = new RaceLogic(
                 new MockRace(
                         boatDataSource,
diff --git a/racevisionGame/src/main/java/mock/model/wind/ShiftingWindGenerator.java b/racevisionGame/src/main/java/mock/model/wind/ShiftingWindGenerator.java
index 4a1c158e..fc3e3dc2 100644
--- a/racevisionGame/src/main/java/mock/model/wind/ShiftingWindGenerator.java
+++ b/racevisionGame/src/main/java/mock/model/wind/ShiftingWindGenerator.java
@@ -3,18 +3,28 @@ package mock.model.wind;
 import shared.model.Bearing;
 import shared.model.Wind;
 
+import java.util.Random;
+
 /**
  * Created by jjg64 on 28/08/17.
  */
 public class ShiftingWindGenerator implements WindGenerator {
     Bearing baselineBearing;
     double baseLineSpeed;
-    double maxBearingVariance = 5;  // In degrees
+    double speedVariance = 4;
+    double bearingVariance = 5;  // In degrees
     double oscillationPeriod = 3e6;  // In milliseconds
 
+    double timeOfLastOscillationReset = 0;
+    double timeSinceLastChange = 0;
+    double timeSinceLastShift = 0; // Back / veer
+
+    boolean oscillationLeft = false;
+
     public ShiftingWindGenerator(Bearing baselineBearing, double baseLineSpeed) {
         this.baselineBearing = baselineBearing;
         this.baseLineSpeed = baseLineSpeed;
+        initialiseOscillationDirection();
     }
 
     @Override
@@ -27,22 +37,39 @@ public class ShiftingWindGenerator implements WindGenerator {
         return changeWind(currentWind);
     }
 
-    private Wind changeWind(Wind currentWind) {
-        currentWind = oscillateWind(currentWind);
-        currentWind = shiftWind(currentWind);
-        return currentWind;
+    private Wind changeWind(Wind wind) {
+        Wind newWind = new Wind(wind.getWindDirection(), wind.getWindSpeed());
+        oscillateWind(newWind);
+        shiftWind(newWind);
+        changeWindSpeed(newWind);
+        return newWind;
+    }
+
+    private void oscillateWind(Wind wind) {
+        double timeSinceLastOscillationReset = System.currentTimeMillis() - timeOfLastOscillationReset;
+        if (oscillationLeft) {
+
+        }
+    }
+
+    private void shiftWind(Wind wind) {
+    }
+
+    private void changeWindSpeed(Wind wind) {
+
     }
 
-    private Wind oscillateWind(Wind currentWind) {
-        return currentWind;
+    private void initialiseOscillationDirection() {
+        oscillationLeft = new Random().nextBoolean();
+        timeOfLastOscillationReset = System.currentTimeMillis();
     }
 
-    private Wind shiftWind(Wind currentWind) {
-        return currentWind;
+    public void setBearingVariance(double maxBearingVariance) {
+        this.bearingVariance = maxBearingVariance;
     }
 
-    public void setMaxBearingVariance(double maxBearingVariance) {
-        this.maxBearingVariance = maxBearingVariance;
+    public void setSpeedVariance(double speedVariance) {
+        this.speedVariance = speedVariance;
     }
 
     public void setOscillationPeriod(double oscillationPeriod) {
diff --git a/racevisionGame/src/main/java/shared/model/Wind.java b/racevisionGame/src/main/java/shared/model/Wind.java
index 08d391c2..531d8473 100644
--- a/racevisionGame/src/main/java/shared/model/Wind.java
+++ b/racevisionGame/src/main/java/shared/model/Wind.java
@@ -48,4 +48,11 @@ public class Wind {
         return windSpeed;
     }
 
+    public void setWindSpeed(double windSpeed) {
+        this.windSpeed = windSpeed;
+    }
+
+    public void setWindDirection(Bearing windDirection) {
+        this.windDirection = windDirection;
+    }
 }