Support Folia (leaf's region threaded Minecraft server)

bukkit/src/main/java/com/viaversion/viabackwards/BukkitPlugin.java

@@ -19,13 +19,11 @@
 package com.viaversion.viabackwards;
 
 import com.viaversion.viabackwards.api.ViaBackwardsPlatform;
-import com.viaversion.viabackwards.listener.PlayerItemDropListener;
 import com.viaversion.viabackwards.listener.FireDamageListener;
 import com.viaversion.viabackwards.listener.FireExtinguishListener;
 import com.viaversion.viabackwards.listener.LecternInteractListener;
-import com.viaversion.viaversion.ViaVersionPlugin;
+import com.viaversion.viabackwards.listener.PlayerItemDropListener;
 import com.viaversion.viaversion.api.Via;
-import com.viaversion.viaversion.api.data.MappingDataLoader;
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
 import com.viaversion.viaversion.bukkit.platform.BukkitViaLoader;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -33,28 +31,11 @@ import org.bukkit.plugin.java.JavaPlugin;
 public class BukkitPlugin extends JavaPlugin implements ViaBackwardsPlatform {
 
     public BukkitPlugin() {
-    }
-
-    @Override
-    public void onLoad() {
-        if (!ViaVersionPlugin.getInstance().isLateBind()) {
-            init();
-        }
+        Via.getManager().addEnableListener(() -> init(getDataFolder()));
     }
 
     @Override
     public void onEnable() {
-        if (ViaVersionPlugin.getInstance().isLateBind()) {
-            init();
-        }
-    }
-
-    private void init() {
-        init(getDataFolder());
-        Via.getPlatform().runSync(this::onServerLoaded);
-    }
-
-    private void onServerLoaded() {
         BukkitViaLoader loader = (BukkitViaLoader) Via.getManager().getLoader();
         int protocolVersion = Via.getAPI().getServerVersion().highestSupportedVersion();
         if (protocolVersion >= ProtocolVersion.v1_17.getVersion()) {

bukkit/src/main/resources/plugin.yml

@@ -3,6 +3,7 @@ version: ${version}
 description: Allow older Minecraft versions to connect to a newer server version.
 main: com.viaversion.viabackwards.BukkitPlugin
 api-version: 1.13
+folia-supported: true
 
 authors: [Matsv, kennytv, Gerrygames, creeper123123321, ForceUpdate1]
 website: ${url}