Add bStats metrics

Author: Jakub Sapalski

.gitignore

@@ -4,3 +4,4 @@
 /.project
 
 *.html
+/dependency-reduced-pom.xml

pom.xml

@@ -41,6 +41,33 @@
 				<artifactId>maven-jar-plugin</artifactId>
 				<version>2.4</version>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-shade-plugin</artifactId>
+				<version>2.4.3</version>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>shade</goal>
+						</goals>
+						<configuration>
+							<artifactSet>
+								<includes>
+									<include>org.bstats:*</include>
+								</includes>
+							</artifactSet>
+							<relocations>
+								<relocation>
+									<pattern>org.bstats</pattern>
+									<shadedPattern>pl.betoncraft.flier.bstats</shadedPattern>
+								</relocation>
+							</relocations>
+							<minimizeJar>${minimize}</minimizeJar>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>
 	<repositories>
@@ -52,6 +79,10 @@
 			<id>betonquest-repo</id>
 			<url>http://betonquest.betoncraft.pl/mvn</url>
 		</repository>
+		<repository>
+			<id>bstats-repo</id>
+			<url>http://repo.bstats.org/content/repositories/releases/</url>
+		</repository>
 	</repositories>
 	<dependencies>
 		<dependency>
@@ -75,5 +106,10 @@
 			<artifactId>BetonQuest</artifactId>
 			<version>1.9</version>
 		</dependency>
+		<dependency>
+			<groupId>org.bstats</groupId>
+			<artifactId>bstats-bukkit</artifactId>
+			<version>1.1</version>
+		</dependency>
 	</dependencies>
 </project>

src/main/java/pl/betoncraft/flier/FlierPlugin.java

@@ -9,8 +9,10 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 import java.util.UUID;
 
+import org.bstats.Metrics;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.Entity;
@@ -167,6 +169,38 @@ public void onChunkUnload(ChunkUnloadEvent event) {
 		// schedule loading after all plugins are enabled
 		Bukkit.getScheduler().runTask(this, () -> reload());
 
+		// start metrics
+		Metrics metrics = new Metrics(this);
+		metrics.addCustomChart(new Metrics.SingleLineChart("ingame_players") {
+			@Override
+			public int getValue() {
+				return players.size();
+			}
+		});
+		metrics.addCustomChart(new Metrics.AdvancedPie("game_types") {
+			@Override
+			public HashMap<String, Integer> getValues(HashMap<String, Integer> map) {
+				for (Lobby lobby : lobbies.values()) {
+					for (Set<Game> set : lobby.getGames().values()) {
+						for (Game game : set) {
+							String name;
+							if (game instanceof DeathMatchGame) {
+								name = "DeathMatch";
+							} else if (game instanceof TeamDeathMatch) {
+								name = "Team DeathMatch";
+							} else {
+								name = "Custom";
+							}
+							int amount = map.computeIfAbsent(name, key -> 0);
+							amount++;
+							map.put(name, amount);
+						}
+					}
+				}
+				return map;
+			}
+		});
+		
 		getLogger().info("Flier enabled!");
 	}