From 56c09f5f5cf8e05b1731d7a75a6ea885131563f8 Mon Sep 17 00:00:00 2001
From: s809 <43530948+s809@users.noreply.github.com>
Date: Tue, 7 Jan 2025 01:25:31 +0500
Subject: [PATCH] Add a config option to force server to always send only the
 highest detail

---
 .../com/seibel/distanthorizons/core/config/Config.java    | 8 ++++++++
 .../distanthorizons/core/level/AbstractDhServerLevel.java | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/core/src/main/java/com/seibel/distanthorizons/core/config/Config.java b/core/src/main/java/com/seibel/distanthorizons/core/config/Config.java
index 826266377..3d80d0800 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/config/Config.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/config/Config.java
@@ -1533,6 +1533,14 @@ public class Config
 				.setPerformance(EConfigEntryPerformance.HIGH)
 				.build();
 		
+		public static ConfigEntry<Boolean> generateOnlyInHighestDetail = new ConfigEntry.Builder<Boolean>()
+				.setChatCommandName("generation.highestDetailOnly")
+				.set(false)
+				.comment(""
+						+ "Makes the server reject all generation requests for detail levels below the highest one.\n"
+						+ "")
+				.build();
+		
 		
 		// Real-time updates
 		public static ConfigEntry<Boolean> enableRealTimeUpdates = new ConfigEntry.Builder<Boolean>()
diff --git a/core/src/main/java/com/seibel/distanthorizons/core/level/AbstractDhServerLevel.java b/core/src/main/java/com/seibel/distanthorizons/core/level/AbstractDhServerLevel.java
index 33aac5e3b..19814f132 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/level/AbstractDhServerLevel.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/level/AbstractDhServerLevel.java
@@ -11,6 +11,7 @@ import com.seibel.distanthorizons.core.multiplayer.server.ServerPlayerState;
 import com.seibel.distanthorizons.core.multiplayer.server.ServerPlayerStateManager;
 import com.seibel.distanthorizons.core.network.exceptions.RequestOutOfRangeException;
 import com.seibel.distanthorizons.core.network.exceptions.RequestRejectedException;
+import com.seibel.distanthorizons.core.network.exceptions.SectionRequiresSplittingException;
 import com.seibel.distanthorizons.core.network.messages.AbstractNetworkMessage;
 import com.seibel.distanthorizons.core.network.messages.AbstractTrackableMessage;
 import com.seibel.distanthorizons.core.network.messages.ILevelRelatedMessage;
@@ -149,6 +150,13 @@ public abstract class AbstractDhServerLevel extends AbstractDhLevel implements I
 					message.sendResponse(new RequestOutOfRangeException("Distance too large: " + distanceFromPlayer + " > " + Config.Server.maxGenerationRequestDistance.get()));
 					return;
 				}
+				
+				if (Config.Server.generateOnlyInHighestDetail.get() && DhSectionPos.getDetailLevel(message.sectionPos) != DhSectionPos.SECTION_MINIMUM_DETAIL_LEVEL)
+				{
+					message.sendResponse(new SectionRequiresSplittingException("Only highest-detail sections are allowed"));
+					return;
+				}
+				
 				this.requestHandler.queueWorldGenForRequestMessage(serverPlayerState, message, rateLimiterSet);
 			}
 			else