Add a config to delay generation requests, for cases when gen tasks are not filled properly yet

core/src/main/java/com/seibel/distanthorizons/core/config/Config.java

@@ -915,6 +915,14 @@ public class Config
 									+ "")
 							.build();
 					
+					public static ConfigEntry<Integer> fullDataRequestBeginDelay = new ConfigEntry.Builder<Integer>()
+							.setMinDefaultMax(0, 3, 10)
+							.comment(""
+									+ "Adds a delay in seconds before sending LOD requests, when generation is enabled. \n"
+									+ "Increase this value if initial generation starts too far away. \n"
+									+ "")
+							.build();
+					
 					/**
 					 * Intentionally disabled.
 					 * @see #enablePostRelogUpdate

core/src/main/java/com/seibel/distanthorizons/core/generation/WorldRemoteGenerationQueue.java

@@ -2,6 +2,7 @@ package com.seibel.distanthorizons.core.generation;
 
 import com.google.common.base.Stopwatch;
 import com.seibel.distanthorizons.core.config.Config;
+import com.seibel.distanthorizons.core.config.types.ConfigEntry;
 import com.seibel.distanthorizons.core.dataObjects.fullData.accessor.ChunkSizedFullDataAccessor;
 import com.seibel.distanthorizons.core.dataObjects.fullData.sources.CompleteFullDataSource;
 import com.seibel.distanthorizons.core.generation.tasks.IWorldGenTaskTracker;
@@ -26,6 +27,7 @@ import org.apache.logging.log4j.Logger;
 
 import javax.annotation.CheckForNull;
 import java.awt.*;
+import java.time.Duration;
 import java.util.*;
 import java.util.List;
 import java.util.concurrent.*;
@@ -42,6 +44,11 @@ public class WorldRemoteGenerationQueue implements IWorldGenerationQueue, IDebug
 	private final ClientNetworkState networkState;
 	private final IDhClientLevel level;
 	
+	// Used to prevent requests for section very far away, as result of request list not completely filled.
+	// Kinda a hack, since queue is not notified when file handler is done with feeding sections to generate
+	private static final ConfigEntry<Integer> REQUEST_BEGIN_DELAY = Config.Client.Advanced.Multiplayer.ServerNetworking.fullDataRequestBeginDelay;
+	private final Stopwatch requestBeginStopwatch = Stopwatch.createStarted();
+	
 	private volatile CompletableFuture<Void> generatorClosingFuture = null;
 	
 	private final ConcurrentMap<DhSectionPos, WorldGenQueueEntry> waitingTasks = new ConcurrentHashMap<>();
@@ -103,6 +110,7 @@ public class WorldRemoteGenerationQueue implements IWorldGenerationQueue, IDebug
 	public void startGenerationQueueAndSetTargetPos(DhBlockPos2D targetPos)
 	{
 		if (generatorClosingFuture != null || !networkState.getClient().isReady()) return;
+		if (requestBeginStopwatch.elapsed(TimeUnit.SECONDS) < REQUEST_BEGIN_DELAY.get()) return;
 		
 		while (getWaitingTaskCount() > getInProgressTaskCount()
 				&& getInProgressTaskCount() < this.networkState.config.fullDataRequestConcurrencyLimit

core/src/main/resources/assets/distanthorizons/lang/en_us.json

@@ -348,7 +348,8 @@
     
   "distanthorizons.config.client.advanced.multiplayer.serverNetworking.enableServerNetworking": "Enable Server Networking",
   "distanthorizons.config.client.advanced.multiplayer.serverNetworking.fullDataRequestConcurrencyLimit": "Sections - request concurrency limit",
-  "distanthorizons.config.client.advanced.multiplayer.serverNetworking.genTaskPriorityRequestRateLimit": "Generation task priority - request rate limit",  
+  "distanthorizons.config.client.advanced.multiplayer.serverNetworking.genTaskPriorityRequestRateLimit": "Generation task priority - request rate limit",
+  "distanthorizons.config.client.advanced.multiplayer.serverNetworking.fullDataRequestBeginDelay": "Generation request begin delay",
   "distanthorizons.config.client.advanced.multiplayer.serverNetworking.enableRealTimeUpdates": "Enable Real Time Updates",
   "distanthorizons.config.client.advanced.multiplayer.serverNetworking.enablePostRelogUpdates": "Enable Post Relog Updates",
   "distanthorizons.config.client.advanced.multiplayer.serverNetworking.serverPort": "Server Port",