Added death listener.

Counts player deaths in any game world.

Fixes https://github.com/BentoBoxWorld/addon-level/issues/18

src/main/java/world/bentobox/bentobox/BentoBox.java

@@ -12,6 +12,7 @@ import world.bentobox.bentobox.api.user.Notifier;
 import world.bentobox.bentobox.commands.BentoBoxCommand;
 import world.bentobox.bentobox.listeners.BannedVisitorCommands;
 import world.bentobox.bentobox.listeners.BlockEndDragon;
+import world.bentobox.bentobox.listeners.DeathListener;
 import world.bentobox.bentobox.listeners.JoinLeaveListener;
 import world.bentobox.bentobox.listeners.NetherPortals;
 import world.bentobox.bentobox.listeners.ObsidianToLava;
@@ -156,6 +157,8 @@ public class BentoBox extends JavaPlugin {
         manager.registerEvents(new BlockEndDragon(this), this);
         // Banned visitor commands
         manager.registerEvents(new BannedVisitorCommands(this), this);
+        // Death counter
+        manager.registerEvents(new DeathListener(this), this);
     }
 
     @Override

src/main/java/world/bentobox/bentobox/listeners/DeathListener.java

@@ -0,0 +1,33 @@
+/**
+ * 
+ */
+package world.bentobox.bentobox.listeners;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.PlayerDeathEvent;
+
+import world.bentobox.bentobox.BentoBox;
+
+/**
+ * Counts deaths in game worlds
+ * @author tastybento
+ *
+ */
+public class DeathListener implements Listener {
+
+    private BentoBox plugin;
+
+    public DeathListener(BentoBox plugin) {
+        super();
+        this.plugin = plugin;
+    }
+
+    @EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
+    public void onPlayerDeathEvent(PlayerDeathEvent e) {
+        if (plugin.getIWM().inWorld(e.getEntity().getLocation())) {
+            plugin.getPlayers().addDeath(e.getEntity().getWorld(), e.getEntity().getUniqueId());
+        }
+    }
+}

src/test/java/world/bentobox/bentobox/listeners/DeathListenerTest.java

@@ -0,0 +1,68 @@
+package world.bentobox.bentobox.listeners;
+
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.util.ArrayList;
+import java.util.UUID;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+import org.bukkit.event.entity.PlayerDeathEvent;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+
+import world.bentobox.bentobox.BentoBox;
+import world.bentobox.bentobox.managers.IslandWorldManager;
+import world.bentobox.bentobox.managers.PlayersManager;
+import world.bentobox.bentobox.util.Util;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({BentoBox.class, Util.class, Bukkit.class })
+public class DeathListenerTest {
+
+
+    @Test
+    public void testDeathListener() {
+        assertNotNull(new DeathListener(mock(BentoBox.class)));
+    }
+
+    @Test
+    public void testOnPlayerDeathEvent() {
+        // Set up plugin
+        BentoBox plugin = mock(BentoBox.class);
+        Whitebox.setInternalState(BentoBox.class, "instance", plugin);
+        // Island World Manager
+        IslandWorldManager iwm = mock(IslandWorldManager.class);
+        when(iwm.inWorld(Mockito.any())).thenReturn(true);
+        when(iwm.getPermissionPrefix(Mockito.any())).thenReturn("bskyblock");
+        when(iwm.getVisitorBannedCommands(Mockito.any())).thenReturn(new ArrayList<>());
+        when(plugin.getIWM()).thenReturn(iwm);
+
+        // Player
+        Player player = mock(Player.class);
+        World world = mock(World.class);
+        when(player.getWorld()).thenReturn(world);
+        when(player.getLocation()).thenReturn(mock(Location.class));
+        UUID uuid = UUID.randomUUID();
+        when(player.getUniqueId()).thenReturn(uuid);
+       
+        PlayersManager pm = mock(PlayersManager.class);
+        when(plugin.getPlayers()).thenReturn(pm);
+        
+        // Test
+        DeathListener dl = new DeathListener(plugin);
+              
+        PlayerDeathEvent e = new PlayerDeathEvent(player, new ArrayList<>(), 0, 0, 0, 0, "died");
+        dl.onPlayerDeathEvent(e);
+        Mockito.verify(pm).addDeath(world, uuid);
+    }
+
+}