Added Dynmap hook

#475

pom.xml

@@ -130,6 +130,10 @@
             <id>placeholderapi-repo</id>
             <url>http://repo.extendedclip.com/content/repositories/placeholderapi/</url>
         </repository>
+        <repository>
+            <id>dynmap-repo</id>
+            <url>http://repo.mikeprimm.com/</url>
+        </repository>
     </repositories>
 
 	<dependencies>
@@ -186,6 +190,13 @@
 			<version>${placeholder.version}</version>
 			<scope>provided</scope>
 		</dependency>
+        <!-- Hooks -->
+        <dependency>
+            <groupId>us.dynmap</groupId>
+            <artifactId>dynmap-api</artifactId>
+            <version>3.0-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
 		<!-- Static analysis -->
 		<!-- We are using Eclipse's annotations.
 		If you're using IDEA, update your project settings to take these

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

@@ -13,6 +13,7 @@ import world.bentobox.bentobox.api.localization.TextVariables;
 import world.bentobox.bentobox.api.user.Notifier;
 import world.bentobox.bentobox.api.user.User;
 import world.bentobox.bentobox.commands.BentoBoxCommand;
+import world.bentobox.bentobox.hooks.DynmapHook;
 import world.bentobox.bentobox.hooks.MultiverseCoreHook;
 import world.bentobox.bentobox.hooks.PlaceholderAPIHook;
 import world.bentobox.bentobox.hooks.VaultHook;
@@ -181,6 +182,9 @@ public class BentoBox extends JavaPlugin {
             hooksManager.registerHook(new MultiverseCoreHook());
             islandWorldManager.registerWorldsToMultiverse();
 
+            // Register additional hooks
+            hooksManager.registerHook(new DynmapHook());
+
             webManager = new WebManager(this);
             webManager.requestGitHubData();
 

src/main/java/world/bentobox/bentobox/hooks/DynmapHook.java

@@ -0,0 +1,83 @@
+package world.bentobox.bentobox.hooks;
+
+import org.bukkit.Material;
+import org.dynmap.DynmapAPI;
+import org.dynmap.markers.MarkerAPI;
+import org.dynmap.markers.MarkerSet;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
+import world.bentobox.bentobox.BentoBox;
+import world.bentobox.bentobox.api.addons.GameModeAddon;
+import world.bentobox.bentobox.api.hooks.Hook;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Poslovitch
+ * @since 1.5.0
+ */
+public class DynmapHook extends Hook {
+
+    private MarkerAPI markerAPI;
+
+    @NonNull
+    private Map<@NonNull GameModeAddon, @NonNull MarkerSet> markerSets;
+
+    public DynmapHook() {
+        super("dynmap", Material.FILLED_MAP);
+        this.markerSets = new HashMap<>();
+    }
+
+    @Override
+    public boolean hook() {
+        DynmapAPI dynmapAPI = (DynmapAPI) getPlugin();
+        MarkerAPI markers = dynmapAPI.getMarkerAPI();
+
+        if (markers == null) {
+            return false;
+        }
+        markerAPI = markers;
+
+        BentoBox.getInstance().getAddonsManager().getGameModeAddons().forEach(this::registerMarkerSet);
+
+        return true;
+    }
+
+    public void registerMarkerSet(@NonNull GameModeAddon addon) {
+        String name = addon.getDescription().getName();
+        if (getMarkerSet(addon) == null) {
+            // From the javadoc: createMarkerSet(String id, String label, Set<MarkerIcon> allowedIcons, boolean persistent)
+            MarkerSet set = markerAPI.createMarkerSet(name.toLowerCase() + ".markers", name, null, true);
+            markerSets.put(addon, set);
+        }
+    }
+
+    @NonNull
+    public Map<GameModeAddon, MarkerSet> getMarkerSets() {
+        return markerSets;
+    }
+
+    @Nullable
+    public MarkerSet getMarkerSet(@NonNull GameModeAddon addon) {
+        if (markerSets.containsKey(addon)) {
+            return markerSets.get(addon);
+        } else {
+            return markerAPI.getMarkerSet(addon.getDescription().getName().toLowerCase() + ".markers");
+        }
+    }
+
+    /**
+     * Returns the MarkerAPI instance. Not null.
+     * @return the MarkerAPI instance.
+     */
+    @NonNull
+    public MarkerAPI getMarkerAPI() {
+        return markerAPI;
+    }
+
+    @Override
+    public String getFailureCause() {
+        return "the version of dynmap you're using is incompatible with this hook";
+    }
+}