Added Hooks and "players per server" Metrics charts

src/main/java/world/bentobox/bentobox/BStats.java

@@ -5,6 +5,7 @@ import java.util.Map;
 
 import org.bstats.bukkit.Metrics;
 
+import org.bukkit.Bukkit;
 import world.bentobox.bentobox.api.addons.GameModeAddon;
 
 /**
@@ -34,11 +35,13 @@ public class BStats {
     }
 
     private void registerCustomMetrics() {
-        // Simple Pie Charts
+        // Pie Charts
         registerDefaultLanguageChart();
         registerDatabaseTypeChart();
         registerAddonsChart();
         registerGameModeAddonsChart();
+        registerHooksChart();
+        registerPlayersPerServerChart();
 
         // Single Line charts
         registerIslandsCountChart();
@@ -103,4 +106,32 @@ public class BStats {
             return values;
         }));
     }
+
+    /**
+     * Sends the enabled Hooks of this server.
+     * @since 1.6.0
+     */
+    private void registerHooksChart() {
+        metrics.addCustomChart(new Metrics.AdvancedPie("hooks", () -> {
+            Map<String, Integer> values = new HashMap<>();
+            plugin.getHooks().getHooks().forEach(hook -> values.put(hook.getPluginName(), 1));
+            return values;
+        }));
+    }
+
+    /**
+     * Sends the "category" this server is in depending on how many players it has.
+     * @since 1.6.0
+     */
+    private void registerPlayersPerServerChart() {
+        metrics.addCustomChart(new Metrics.SimplePie("playersPerServer", () -> {
+            int players = Bukkit.getOnlinePlayers().size();
+            if (players <= 10) return "0-10";
+            else if (players <= 30) return "11-30";
+            else if (players <= 50) return "31-50";
+            else if (players <= 100) return "51-100";
+            else if (players <= 200) return "101-200";
+            else return "201+";
+        }));
+    }
 }