Re-added a way to send Floodgate data over the wire (for e.g. standalone)

core/src/main/java/org/geysermc/geyser/GeyserImpl.java

@@ -67,6 +67,7 @@ import org.geysermc.geyser.extension.GeyserExtensionManager;
 import org.geysermc.geyser.floodgate.FloodgateProvider;
 import org.geysermc.geyser.floodgate.IntegratedFloodgateProvider;
 import org.geysermc.geyser.floodgate.NoFloodgateProvider;
+import org.geysermc.geyser.floodgate.ProxyFloodgateProvider;
 import org.geysermc.geyser.level.WorldManager;
 import org.geysermc.geyser.network.netty.GeyserServer;
 import org.geysermc.geyser.registry.BlockRegistries;
@@ -168,7 +169,11 @@ public class GeyserImpl implements GeyserApi {
             this.floodgateProvider = new IntegratedFloodgateProvider(floodgatePlatform);
 //            this.floodgateProvider = new ProxyFloodgateProvider(floodgatePlatform);
         } else {
-            this.floodgateProvider = new NoFloodgateProvider();
+            if (bootstrap.getGeyserConfig().getRemote().authType() == AuthType.FLOODGATE) {
+                this.floodgateProvider = new ProxyFloodgateProvider(bootstrap.getConfigFolder());
+            } else {
+                this.floodgateProvider = new NoFloodgateProvider();
+            }
             Geyser.set(this);
         }
 

core/src/main/java/org/geysermc/geyser/floodgate/ProxyFloodgateProvider.java

@@ -26,8 +26,14 @@
 package org.geysermc.geyser.floodgate;
 
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Path;
+import lombok.SneakyThrows;
 import org.geysermc.floodgate.core.FloodgatePlatform;
+import org.geysermc.floodgate.core.connection.standalone.codec.FloodgateConnectionCodec;
+import org.geysermc.floodgate.core.crypto.DataCodecType;
 import org.geysermc.floodgate.core.crypto.FloodgateDataCodec;
+import org.geysermc.floodgate.core.crypto.FloodgateFormatCodec;
+import org.geysermc.floodgate.core.crypto.topping.Base64Topping;
 import org.geysermc.geyser.session.GeyserSession;
 
 //todo Floodgate should be responsible for forwarding its messages
@@ -38,6 +44,15 @@ public final class ProxyFloodgateProvider implements FloodgateProvider {
         dataCodec = platform.getBean(FloodgateDataCodec.class);
     }
 
+    @SneakyThrows
+    public ProxyFloodgateProvider(Path dataDirectory) {
+        //todo use what the platform provides without enabling Floodgate
+        dataCodec = new FloodgateDataCodec(
+                new FloodgateFormatCodec(DataCodecType.AES, new Base64Topping(), dataDirectory),
+                new FloodgateConnectionCodec()
+        );
+    }
+
     @Override
     public void onSkinUpload(GeyserSession session, String value, String signature) {
         byte[] bytes = (value + '\0' + signature)