exp-sources.yml to have predownloaded exp sources you can refer to anywhere (like experience tables)

src/main/java/net/Indyuce/mmocore/api/load/DefaultMMOLoader.java

@@ -1,5 +1,7 @@
 package net.Indyuce.mmocore.api.load;
 
+import net.Indyuce.mmocore.MMOCore;
+import net.Indyuce.mmocore.api.ConfigFile;
 import net.Indyuce.mmocore.api.block.BlockType;
 import net.Indyuce.mmocore.api.block.SkullBlockType;
 import net.Indyuce.mmocore.api.block.VanillaBlockType;
@@ -30,6 +32,9 @@ import net.Indyuce.mmocore.api.quest.trigger.StaminaTrigger;
 import net.Indyuce.mmocore.api.quest.trigger.StelliumTrigger;
 import net.Indyuce.mmocore.api.quest.trigger.Trigger;
 import io.lumine.mythic.lib.api.MMOLineConfig;
+import org.checkerframework.checker.units.qual.C;
+
+import java.util.logging.Level;
 
 public class DefaultMMOLoader extends MMOLoader {
 
@@ -118,6 +123,19 @@ public class DefaultMMOLoader extends MMOLoader {
 
     @Override
     public ExperienceSource<?> loadExperienceSource(MMOLineConfig config, ExperienceDispenser dispenser) {
+        if(config.getKey().equals("from")) {
+            String source=config.getString("source");
+            ConfigFile configFile= new ConfigFile("exp-sources");
+            if(!configFile.getConfig().contains(source)) {
+                MMOCore.plugin.getLogger().log(Level.WARNING,"Couldn't find "+source+" in experience-sources.yml");
+                return null;
+            }
+            for(String expSource: configFile.getConfig().getStringList(source)) {
+                loadExperienceSource(new MMOLineConfig(expSource),dispenser);
+            }
+        }
+
+
         if (config.getKey().equals("resource"))
             return new ResourceExperienceSource(dispenser, config);
 

src/main/java/net/Indyuce/mmocore/api/player/profess/PlayerClass.java

@@ -156,8 +156,8 @@ public class PlayerClass extends PostLoadObject implements ExperienceObject {
                             "Could not load option '" + key + "' from class '" + key + "': " + exception.getMessage());
                 }
 
-        if (config.contains("main-exp-sources")) {
-            for (String key : config.getStringList("main-exp-sources"))
+        if (config.contains("main-exp-sources.yml")) {
+            for (String key : config.getStringList("main-exp-sources.yml"))
                 try {
                     ExperienceSource<?> source = MMOCore.plugin.loadManager.loadExperienceSource(new MMOLineConfig(key), this);
                     MMOCore.plugin.experience.registerSource(source);

src/main/java/net/Indyuce/mmocore/experience/Profession.java

@@ -64,8 +64,8 @@ public class Profession extends PostLoadObject implements ExperienceObject {
 
         maxLevel = config.getInt("max-level");
 
-        if (config.contains("exp-sources"))
-            for (String key : config.getStringList("exp-sources"))
+        if (config.contains("exp-sources.yml"))
+            for (String key : config.getStringList("exp-sources.yml"))
                 try {
                     MMOCore.plugin.experience.registerSource(MMOCore.plugin.loadManager.loadExperienceSource(new MMOLineConfig(key), this));
                 } catch (IllegalArgumentException exception) {

src/main/java/net/Indyuce/mmocore/manager/ConfigManager.java

@@ -87,6 +87,7 @@ public class ConfigManager {
         loadDefaultFile("loot-chests.yml");
         loadDefaultFile("commands.yml");
         loadDefaultFile("exp-tables.yml");
+        loadDefaultFile("exp-sources.yml");
         loadDefaultFile("guilds.yml");
 
         commandVerbose.reload(MMOCore.plugin.getConfig().getConfigurationSection("command-verbose"));