Implement character talents

src/main/java/emu/nebula/database/DatabaseManager.java

@@ -61,7 +61,7 @@ public final class DatabaseManager {
         
         // Add our custom fastutil codecs
         var codecProvider = CodecRegistries.fromCodecs(
-               new IntSetCodec(), new IntListCodec(), new Int2IntMapCodec(), new ItemParamMapCodec()
+               new IntSetCodec(), new IntListCodec(), new Int2IntMapCodec(), new ItemParamMapCodec(), new BitsetCodec()
         );
 
         // Set mapper options

src/main/java/emu/nebula/database/codecs/BitsetCodec.java

@@ -0,0 +1,46 @@
+package emu.nebula.database.codecs;
+
+import org.bson.BsonReader;
+import org.bson.BsonType;
+import org.bson.BsonWriter;
+import org.bson.codecs.Codec;
+import org.bson.codecs.DecoderContext;
+import org.bson.codecs.EncoderContext;
+
+import emu.nebula.util.Bitset;
+
+import it.unimi.dsi.fastutil.longs.LongArrayList;
+import it.unimi.dsi.fastutil.longs.LongList;
+
+/**
+ * Custom mongodb codec for encoding/decoding fastutil int sets.
+ */
+public class BitsetCodec implements Codec<Bitset> {
+    
+    @Override
+    public Class<Bitset> getEncoderClass() {
+        return Bitset.class;
+    }
+
+    @Override
+    public void encode(BsonWriter writer, Bitset bitset, EncoderContext encoderContext) {
+        writer.writeStartArray();
+        for (long value : bitset.getData()) {
+            writer.writeInt64(value);
+        }
+        writer.writeEndArray();
+    }
+    
+    @Override
+    public Bitset decode(BsonReader reader, DecoderContext decoderContext) {
+        LongList array = new LongArrayList();
+        
+        reader.readStartArray();
+        while (reader.readBsonType() != BsonType.END_OF_DOCUMENT) {
+            array.add(reader.readInt64());
+        }
+        reader.readEndArray();
+        
+        return new Bitset(array.toLongArray());
+    }
+}