Fixed serverside crash due to Screen

src/main/java/ru/bclib/api/dataexchange/handler/autosync/Chunker.java

@@ -1,13 +1,10 @@
 package ru.bclib.api.dataexchange.handler.autosync;
 
-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
 import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
 import net.fabricmc.fabric.api.networking.v1.PacketSender;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
 import net.minecraft.client.Minecraft;
 import net.minecraft.util.ProgressListener;
-import ru.bclib.gui.screens.ProgressScreen;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.level.ServerPlayer;
@@ -34,22 +31,6 @@ import java.util.UUID;
  * and assemble the original message from those chunks on the client.
  */
 public class Chunker extends DataHandler.FromServer {
-	private static ProgressScreen progressScreen;
-	
-	@Environment(EnvType.CLIENT)
-	public static void setProgressScreen(ProgressScreen scr){
-		progressScreen = scr;
-	}
-	
-	@Environment(EnvType.CLIENT)
-	public static ProgressScreen getProgressScreen(){
-		return progressScreen;
-	}
-	
-	@Environment(EnvType.CLIENT)
-	public static ProgressListener getProgressListener(){
-		return progressScreen;
-	}
 	
 	/**
 	 * Responsible for assembling the original ByteBuffer created by {@link PacketChunkSender} on the
@@ -101,7 +82,7 @@ public class Chunker extends DataHandler.FromServer {
 		}
 		
 		public boolean testFinished(){
-			ProgressListener listener = getProgressListener();
+			ProgressListener listener = ChunkerProgress.getProgressListener();
 			if (listener!=null){
 				listener.progressStagePercentage((100*receivedCount)/chunkCount);
 			}

src/main/java/ru/bclib/api/dataexchange/handler/autosync/ChunkerProgress.java

@@ -0,0 +1,26 @@
+package ru.bclib.api.dataexchange.handler.autosync;
+
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.util.ProgressListener;
+import ru.bclib.gui.screens.ProgressScreen;
+
+@Environment(EnvType.CLIENT)
+public class ChunkerProgress {
+	private static ProgressScreen progressScreen;
+	
+	@Environment(EnvType.CLIENT)
+	public static void setProgressScreen(ProgressScreen scr){
+		progressScreen = scr;
+	}
+	
+	@Environment(EnvType.CLIENT)
+	public static ProgressScreen getProgressScreen(){
+		return progressScreen;
+	}
+	
+	@Environment(EnvType.CLIENT)
+	public static ProgressListener getProgressListener(){
+		return progressScreen;
+	}
+}

src/main/java/ru/bclib/api/dataexchange/handler/autosync/HelloClient.java

@@ -403,10 +403,14 @@ public class HelloClient extends DataHandler.FromServer {
 				});
 			}
 			
-			Minecraft.getInstance()
+			this.onCloseSyncFilesScreen();
-					 .setScreen(Chunker.getProgressScreen());
 		}));
-		
+	}
+	
+	@Environment(EnvType.CLIENT)
+	private void onCloseSyncFilesScreen(){
+		Minecraft.getInstance()
+				 .setScreen(ChunkerProgress.getProgressScreen());
 	}
 	
 	private void processOfferedFile(List<AutoSyncID> requestFiles, AutoSyncID aid) {
@@ -427,12 +431,13 @@ public class HelloClient extends DataHandler.FromServer {
 		whenFinished.accept(true);
 	}
 	
+	@Environment(EnvType.CLIENT)
 	private void requestFileDownloads(List<AutoSyncID> files) {
 		BCLib.LOGGER.info("Starting download of Files:" + files.size());
 		
 		final ProgressScreen progress = new ProgressScreen(null, new TranslatableComponent("title.bclib.filesync.progress"), new TranslatableComponent("message.bclib.filesync.progress"));
 		progress.progressStart(new TranslatableComponent("message.bclib.filesync.progress.stage.empty"));
-		Chunker.setProgressScreen(progress);
+		ChunkerProgress.setProgressScreen(progress);
 		
 		DataExchangeAPI.send(new RequestFiles(files));
 	}