Made ObserverCommands and made racestate an observable. ObserverCommands observes the race passes in the params. #story[1196]

racevisionGame/src/main/java/mock/model/MockRace.java

@@ -743,4 +743,10 @@ public class MockRace extends RaceState {
 
     }
 
+    /**
+     * Made public, so race logic can control it
+     */
+    public void setChanged() {
+        super.setChanged();
+    }
 }

racevisionGame/src/main/java/mock/model/RaceLogic.java

@@ -185,6 +185,10 @@ public class RaceLogic implements RunnableWithFramePeriod, Observer {
                 previousFrameTime = currentTime;
             }
 
+            // Notify Observers
+            race.setChanged();
+            race.notifyObservers();
+
             waitForFramePeriod(previousFrameTime, currentTime, 50);
             previousFrameTime = currentTime;
         }

racevisionGame/src/main/java/mock/model/commandFactory/Command.java

@@ -3,6 +3,8 @@ package mock.model.commandFactory;
 import mock.model.MockBoat;
 import mock.model.MockRace;
 
+import java.util.Observer;
+
 /**
  * Allows RaceLogic to control MockRace state according to the Command pattern
  */

racevisionGame/src/main/java/mock/model/commandFactory/ObserverCommand.java

@@ -0,0 +1,20 @@
+package mock.model.commandFactory;
+
+import mock.model.MockBoat;
+import mock.model.MockRace;
+
+import java.util.Observer;
+
+/**
+ * Command that can observe the race
+ */
+public abstract class ObserverCommand implements Command, Observer {
+    MockRace race;
+    MockBoat boat;
+
+    public ObserverCommand(MockRace race, MockBoat boat) {
+        this.race = race;
+        this.boat = boat;
+        race.addObserver(this);
+    }
+}

racevisionGame/src/main/java/mock/model/commandFactory/SailsCommand.java

@@ -3,14 +3,13 @@ package mock.model.commandFactory;
 import mock.model.MockBoat;
 import mock.model.MockRace;
 
-public class SailsCommand implements Command {
-    private MockRace race;
-    private MockBoat boat;
+import java.util.Observable;
+
+public class SailsCommand extends ObserverCommand {
     private boolean sailsOut;
 
     public SailsCommand(MockRace race, MockBoat boat, Boolean sailsOut) {
-        this.race = race;
-        this.boat = boat;
+        super(race, boat);
         this.sailsOut = sailsOut;
     }
 
@@ -18,4 +17,9 @@ public class SailsCommand implements Command {
     public void execute() {
         this.boat.setSailsOut(this.sailsOut);
     }
+
+    @Override
+    public void update(Observable o, Object arg) {
+
+    }
 }

racevisionGame/src/main/java/mock/model/commandFactory/TackGybeCommand.java

@@ -4,12 +4,12 @@ import mock.model.MockBoat;
 import mock.model.MockRace;
 import shared.model.Bearing;
 
+import java.util.Observable;
+
 /**
  * Command class for tacking and gybing
  */
-public class TackGybeCommand implements Command {
-    private MockRace race;
-    private MockBoat boat;
+public class TackGybeCommand extends ObserverCommand {
 
     /**
      * Constructor for class
@@ -17,8 +17,7 @@ public class TackGybeCommand implements Command {
      * @param boat mock boat to update
      */
     public TackGybeCommand(MockRace race, MockBoat boat) {
-        this.race = race;
-        this.boat = boat;
+        super(race, boat);
     }
 
     @Override
@@ -49,5 +48,9 @@ public class TackGybeCommand implements Command {
         return phi > 180 ? 360 - phi : phi;
     }
 
+    @Override
+    public void update(Observable o, Object arg) {
+
+    }
 }
 

racevisionGame/src/main/java/mock/model/commandFactory/VMGCommand.java

@@ -3,12 +3,12 @@ package mock.model.commandFactory;
 import mock.model.MockBoat;
 import mock.model.MockRace;
 
+import java.util.Observable;
+
 /**
  * Command class for autoVMG
  */
-public class VMGCommand implements Command {
-    private MockRace race;
-    private MockBoat boat;
+public class VMGCommand extends ObserverCommand {
 
     /**
      * Constructor for class
@@ -16,8 +16,7 @@ public class VMGCommand implements Command {
      * @param boat mock boat to update
      */
     public VMGCommand(MockRace race, MockBoat boat) {
-        this.race = race;
-        this.boat = boat;
+        super(race, boat);
     }
 
     @Override
@@ -28,4 +27,9 @@ public class VMGCommand implements Command {
             boat.setAutoVMG(true);
         }
     }
+
+    @Override
+    public void update(Observable o, Object arg) {
+
+    }
 }

racevisionGame/src/main/java/mock/model/commandFactory/WindCommand.java

@@ -4,17 +4,16 @@ import mock.model.MockBoat;
 import mock.model.MockRace;
 import shared.model.Bearing;
 
+import java.util.Observable;
+
 /**
  * Created by connortaylorbrown on 4/08/17.
  */
-public class WindCommand implements Command {
-    private MockRace race;
-    private MockBoat boat;
+public class WindCommand extends ObserverCommand {
     private int direction;
 
     public WindCommand(MockRace race, MockBoat boat, boolean upwind) {
-        this.race = race;
-        this.boat = boat;
+        super(race, boat);
         this.direction = upwind? -1 : 1;
     }
 
@@ -34,4 +33,9 @@ public class WindCommand implements Command {
 
         boat.setBearing(Bearing.fromDegrees(heading + offset));
     }
+
+    @Override
+    public void update(Observable o, Object arg) {
+
+    }
 }

racevisionGame/src/main/java/shared/model/RaceState.java

@@ -13,6 +13,7 @@ import shared.dataInput.RegattaDataSource;
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Observable;
 
 
 /**
@@ -20,7 +21,7 @@ import java.util.List;
  * This is a base class inherited by {@link mock.model.MockRace} and {@link visualiser.model.VisualiserRaceState}.
  * Has a course, state, wind, boundaries, etc.... Boats are added by inheriting classes (see {@link Boat}, {@link mock.model.MockBoat}, {@link visualiser.model.VisualiserBoat}.
  */
-public abstract class RaceState {
+public abstract class RaceState extends Observable{