Removed useless 'nothing' debug level. Reordered levels indices. Moved Logger under server package and make setLevel method package-private

src/main/java/ru/nanit/limbo/NanoLimbo.java

@@ -18,7 +18,7 @@
 package ru.nanit.limbo;
 
 import ru.nanit.limbo.server.LimboServer;
-import ru.nanit.limbo.util.Logger;
+import ru.nanit.limbo.server.Logger;
 
 public final class NanoLimbo {
 

src/main/java/ru/nanit/limbo/connection/ClientConnection.java

@@ -41,7 +41,7 @@ import ru.nanit.limbo.protocol.registry.State;
 import ru.nanit.limbo.protocol.registry.Version;
 import ru.nanit.limbo.server.LimboServer;
 import ru.nanit.limbo.server.data.Title;
-import ru.nanit.limbo.util.Logger;
+import ru.nanit.limbo.server.Logger;
 import ru.nanit.limbo.util.UuidUtil;
 
 import javax.crypto.Mac;

src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java

@@ -24,7 +24,7 @@ import ru.nanit.limbo.protocol.ByteMessage;
 import ru.nanit.limbo.protocol.Packet;
 import ru.nanit.limbo.protocol.registry.State;
 import ru.nanit.limbo.protocol.registry.Version;
-import ru.nanit.limbo.util.Logger;
+import ru.nanit.limbo.server.Logger;
 
 import java.util.List;
 

src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java

@@ -25,7 +25,7 @@ import ru.nanit.limbo.protocol.Packet;
 import ru.nanit.limbo.protocol.PacketSnapshot;
 import ru.nanit.limbo.protocol.registry.State;
 import ru.nanit.limbo.protocol.registry.Version;
-import ru.nanit.limbo.util.Logger;
+import ru.nanit.limbo.server.Logger;
 
 public class PacketEncoder extends MessageToByteEncoder<Packet> {
 

src/main/java/ru/nanit/limbo/connection/pipeline/VarIntFrameDecoder.java

@@ -20,7 +20,7 @@ package ru.nanit.limbo.connection.pipeline;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.ByteToMessageDecoder;
-import ru.nanit.limbo.util.Logger;
+import ru.nanit.limbo.server.Logger;
 
 import java.util.List;
 

src/main/java/ru/nanit/limbo/server/Connections.java

@@ -18,7 +18,6 @@
 package ru.nanit.limbo.server;
 
 import ru.nanit.limbo.connection.ClientConnection;
-import ru.nanit.limbo.util.Logger;
 
 import java.util.Collection;
 import java.util.Collections;

src/main/java/ru/nanit/limbo/server/LimboServer.java

@@ -30,7 +30,6 @@ import io.netty.util.ResourceLeakDetector;
 import ru.nanit.limbo.configuration.LimboConfig;
 import ru.nanit.limbo.connection.ClientChannelInitializer;
 import ru.nanit.limbo.connection.ClientConnection;
-import ru.nanit.limbo.util.Logger;
 import ru.nanit.limbo.world.dimension.DimensionRegistry;
 
 import java.nio.file.Paths;

src/main/java/ru/nanit/limbo/server/Logger.java

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package ru.nanit.limbo.util;
+package ru.nanit.limbo.server;
 
 import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
@@ -23,14 +23,10 @@ import java.time.format.DateTimeFormatter;
 public final class Logger {
 
     private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("hh:mm:ss");
-    private static int debugLevel = 3;
+    private static int debugLevel = Level.ERROR.getIndex();
 
     private Logger() {}
 
-    public static void setLevel(int level) {
-        debugLevel = level;
-    }
-
     public static int getLevel() {
         return debugLevel;
     }
@@ -74,12 +70,16 @@ public final class Logger {
         return LocalTime.now().format(FORMATTER);
     }
 
+    static void setLevel(int level) {
+        debugLevel = level;
+    }
+
     public enum Level {
 
-        ERROR("ERROR", 1),
-        WARNING("WARNING", 2),
-        INFO ("INFO", 3),
-        DEBUG ("DEBUG", 4);
+        ERROR("ERROR", 0),
+        WARNING("WARNING", 1),
+        INFO ("INFO", 2),
+        DEBUG ("DEBUG", 3);
 
         private final String display;
         private final int index;

src/main/java/ru/nanit/limbo/world/dimension/DimensionRegistry.java

@@ -21,7 +21,7 @@ import net.kyori.adventure.nbt.CompoundBinaryTag;
 import net.kyori.adventure.nbt.ListBinaryTag;
 import net.kyori.adventure.nbt.TagStringIO;
 import ru.nanit.limbo.server.LimboServer;
-import ru.nanit.limbo.util.Logger;
+import ru.nanit.limbo.server.Logger;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;

src/main/resources/settings.yml

@@ -97,14 +97,13 @@ infoForwarding:
 # Read timeout for connections in milliseconds
 readTimeout: 30000
 
-# Define log level. On release, I'd recommend to use level 3
+# Define log level. For production, I'd recommend to use level 2
 # Log levels:
-# 0 - Display nothing
-# 1 - Display only errors
-# 2 - Display errors, warnings
-# 3 - Display errors, warnings, info
-# 4 - Display errors, warnings, info, debug
-debugLevel: 3
+# 0 - Display only errors
+# 1 - Display errors, warnings
+# 2 - Display errors, warnings, info
+# 3 - Display errors, warnings, info, debug
+debugLevel: 2
 
 # Warning! Do not touch params of this block, if you not completely sure what is this!
 netty: