LeavesMC/patches/server/0037-Remove-streams-from-getting-nearby-players.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Wed, 17 Aug 2022 11:13:30 +0800
Subject: [PATCH] Remove streams from getting nearby players

This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)

diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 818952b1268688cf13a8ab22d38f05336bf740ad..c55eb9ef7217405c35661dbe03ae6be8f28576e9 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -491,25 +491,50 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
         this.isLegacyTrackingEntity = isLegacyTrackingEntity;
     }
 
+    // Leaves start - better metond
+    private org.spigotmc.TrackingRange.TrackingRangeType getFurthestEntity(Entity entity, net.minecraft.server.level.ChunkMap chunkMap, org.spigotmc.TrackingRange.TrackingRangeType type, int range) {
+        List<Entity> passengers = entity.getPassengers();
+        for (int i = 0, size = passengers.size(); i < size; i++) {
+            Entity passenger = passengers.get(i);
+            org.spigotmc.TrackingRange.TrackingRangeType passengerType = passenger.trackingRangeType;
+            int passengerRange = chunkMap.getEntityTrackerRange(passengerType.ordinal());
+            if (passengerRange > range) {
+                type = passengerType;
+                range = passengerRange;
+            }
+
+            type = this.getFurthestEntity(passenger, chunkMap, type, range);
+        }
+
+        return type;
+    }
+    // Leaves end - better metond
+
     public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> getPlayersInTrackRange() {
         // determine highest range of passengers
         if (this.passengers.isEmpty()) {
             return ((ServerLevel)this.level).getChunkSource().chunkMap.playerEntityTrackerTrackMaps[this.trackingRangeType.ordinal()]
                 .getObjectsInRange(MCUtil.getCoordinateKey(this));
         }
-        Iterable<Entity> passengers = this.getIndirectPassengers();
+        // Leaves start - use getFurthestEntity to skip getIndirectPassengers
         net.minecraft.server.level.ChunkMap chunkMap = ((ServerLevel)this.level).getChunkSource().chunkMap;
         org.spigotmc.TrackingRange.TrackingRangeType type = this.trackingRangeType;
         int range = chunkMap.getEntityTrackerRange(type.ordinal());
 
-        for (Entity passenger : passengers) {
-            org.spigotmc.TrackingRange.TrackingRangeType passengerType = passenger.trackingRangeType;
-            int passengerRange = chunkMap.getEntityTrackerRange(passengerType.ordinal());
-            if (passengerRange > range) {
-                type = passengerType;
-                range = passengerRange;
+        if (top.leavesmc.leaves.LeavesConfig.removeGetNearPlayerStreams) {
+            type = this.getFurthestEntity(this, chunkMap, type, range);
+        } else {
+            Iterable<Entity> passengers = this.getIndirectPassengers();
+            for (Entity passenger : passengers) {
+                org.spigotmc.TrackingRange.TrackingRangeType passengerType = passenger.trackingRangeType;
+                int passengerRange = chunkMap.getEntityTrackerRange(passengerType.ordinal());
+                if (passengerRange > range) {
+                    type = passengerType;
+                    range = passengerRange;
+                }
             }
         }
+        // Leaves end - use getFurthestEntity to skip getIndirectPassengers
 
         return chunkMap.playerEntityTrackerTrackMaps[type.ordinal()].getObjectsInRange(MCUtil.getCoordinateKey(this));
     }
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index 8beeb99eb5ff087b97b60fe099c1bd6ba9ac8ea1..b3941d688d7ee9b53c5fd108463b9a1772b5b8c0 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -328,6 +328,11 @@ public final class LeavesConfig {
         removeInventoryContainsIterators = getBoolean("settings.performance.remove.inventory-contains-iterators", removeInventoryContainsIterators);
     }
 
+    public static boolean removeGetNearPlayerStreams = true;
+    private static void removeGetNearPlayerStreams() {
+        removeGetNearPlayerStreams = getBoolean("settings.performance.remove.get-nearby-players-streams", removeGetNearPlayerStreams);
+    }
+
     public static final class WorldConfig {
 
         public final String worldName;