Changes config.yml to enable hooking into any gamemode

When upgrading, must delete config.yml to get new version.

Also changes placeholder names to be prefixed with GameModeAddon name in
lower case. e.g, %bskyblock-island-level%

https://github.com/BentoBoxWorld/Level/issues/39
https://github.com/BentoBoxWorld/BentoBox/issues/322
https://github.com/BentoBoxWorld/Level/issues/27

src/main/java/world/bentobox/level/Level.java

@@ -118,8 +118,9 @@ public class Level extends Addon {
         registerListener(topTen);
         // Register commands for AcidIsland and BSkyBlock
         getPlugin().getAddonsManager().getGameModeAddons().stream()
-        .filter(gm -> gm.getDescription().getName().equals("AcidIsland") || gm.getDescription().getName().equals("BSkyBlock"))
+        .filter(gm -> settings.getGameModes().contains(gm.getDescription().getName()))
         .forEach(gm -> {
+            log("Level hooking into " + gm.getDescription().getName());
             gm.getAdminCommand().ifPresent(adminCommand ->  {
                 new AdminLevelCommand(this, adminCommand);
                 new AdminTopCommand(this, adminCommand);
@@ -130,11 +131,11 @@ public class Level extends Addon {
             });
             // Register placeholders
             if (getPlugin().getPlaceholdersManager() != null) {
-                getPlugin().getPlaceholdersManager().registerPlaceholder(this, "island-level", new LevelPlaceholder(this, gm));
+                getPlugin().getPlaceholdersManager().registerPlaceholder(this, gm.getDescription().getName().toLowerCase() + "-island-level", new LevelPlaceholder(this, gm));
                 // Top Ten
                 for (int i = 1; i < 11; i++) {
-                    getPlugin().getPlaceholdersManager().registerPlaceholder(this, "island-level-top-value-" + i, new TopTenPlaceholder(this, gm, i));
-                    getPlugin().getPlaceholdersManager().registerPlaceholder(this, "island-level-top-name-" + i, new TopTenNamePlaceholder(this, gm, i));
+                    getPlugin().getPlaceholdersManager().registerPlaceholder(this, gm.getDescription().getName().toLowerCase() + "-island-level-top-value-" + i, new TopTenPlaceholder(this, gm, i));
+                    getPlugin().getPlaceholdersManager().registerPlaceholder(this, gm.getDescription().getName().toLowerCase() + "-island-level-top-name-" + i, new TopTenNamePlaceholder(this, gm, i));
                 }
             }
         });

src/main/java/world/bentobox/level/config/Settings.java

@@ -1,6 +1,8 @@
 package world.bentobox.level.config;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import org.bukkit.Bukkit;
@@ -23,11 +25,15 @@ public class Settings {
     private int maxDeaths;
     private boolean islandResetDeathReset;
     private boolean teamJoinDeathReset;
+    private List<String> gameModes = new ArrayList<>();
 
     public Settings(Level level) {
 
         level.saveDefaultConfig();
 
+        // GameModes
+        gameModes = level.getConfig().getStringList("game-modes");
+
         setLevelWait(level.getConfig().getInt("levelwait", 60));
         if (getLevelWait() < 0) {
             setLevelWait(0);
@@ -221,4 +227,11 @@ public class Settings {
         return worldBlockValues;
     }
 
+    /**
+     * @return the gameModes
+     */
+    public List<String> getGameModes() {
+        return gameModes;
+    }
+
 }

src/main/resources/config.yml

@@ -1,14 +1,13 @@
 # Config file for Level add-on for BSkyBlock or AcidIsland
 
-# Command hook-in configuration.
-# Level will try to hook into these commands when it starts
-# If you have changed the default AcidIsland or BSkyBlock commands, change them here
-acidisland:
-  admin-command: acid
-  user-command: ai
-bskyblock:
-  admin-command: bsbadmin
-  user-command: island
+# GameModes
+# Level will hook into these game modes. Don't forget to set any world-specific
+# block values below!
+game-modes:
+- AcidIsland
+- BSkyBlock
+- CaveBlock
+#- SkyGrid
 
 # This file lists the values for various blocks that are used to calculate the
 # island level. Level = total of all blocks in island boundary / 100.