DivineMC/divinemc-server/minecraft-patches/features/0062-Euclidean-distance-squared-option.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Fri, 18 Jul 2025 13:54:17 +0300
Subject: [PATCH] Euclidean distance squared option


diff --git a/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java b/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java
index 646bd06468bdd7a7ebc5ecc7e876617ad0fc6c05..87b4ccc200e090a8c5149b3bc5ae457932b8e15d 100644
--- a/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java
+++ b/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java
@@ -387,10 +387,19 @@ public final class RegionizedPlayerChunkLoader {
             final int centerX = PlayerChunkLoaderData.this.lastChunkX;
             final int centerZ = PlayerChunkLoaderData.this.lastChunkZ;
 
-            return Integer.compare(
-                Math.abs(c1x - centerX) + Math.abs(c1z - centerZ),
-                Math.abs(c2x - centerX) + Math.abs(c2z - centerZ)
-            );
+            // DivineMC start - Euclidean distance squared option
+            if (org.bxteam.divinemc.config.DivineConfig.PerformanceCategory.useEuclideanDistanceSquared) {
+                return Integer.compare(
+                    (c1x - centerX) * (c1x - centerX) + (c1z - centerZ) * (c1z - centerZ),
+                    (c2x - centerX) * (c2x - centerX) + (c2z - centerZ) * (c2z - centerZ)
+                );
+            } else {
+                return Integer.compare(
+                    Math.abs(c1x - centerX) + Math.abs(c1z - centerZ),
+                    Math.abs(c2x - centerX) + Math.abs(c2z - centerZ)
+                );
+            }
+            // DivineMC end - Euclidean distance squared option
         };
         private final LongHeapPriorityQueue sendQueue = new LongHeapPriorityQueue(CLOSEST_MANHATTAN_DIST);
         private final LongHeapPriorityQueue tickingQueue = new LongHeapPriorityQueue(CLOSEST_MANHATTAN_DIST);