Paper/patches/server/0453-Remove-some-streams-from-structures.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: JRoy <joshroy126@gmail.com>
Date: Mon, 29 Jun 2020 17:03:06 -0400
Subject: [PATCH] Remove some streams from structures

This showed up a lot in the spark profiler, should have a low-medium performance improvement.

diff --git a/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java b/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
index 89ec6902abaed56e57d3aa7e355a3db70baa02a0..0548be182bc342cc3855dcf7cc11519fc2805121 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
@@ -36,9 +36,10 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
         int j = chunkPos.getMinBlockZ();
         ObjectList<Beardifier.Rigid> objectList = new ObjectArrayList<>(10);
         ObjectList<JigsawJunction> objectList2 = new ObjectArrayList<>(32);
-        structureManager.startsForStructure(chunkPos, (structure) -> {
+        // Paper start - replace for each
+        for (net.minecraft.world.level.levelgen.structure.StructureStart structureStart : structureManager.startsForStructure(chunkPos, (structure) -> {
             return structure.terrainAdaptation() != TerrainAdjustment.NONE;
-        }).forEach((structureStart) -> {
+        })) {
             TerrainAdjustment terrainAdjustment = structureStart.getStructure().terrainAdaptation();
 
             for(StructurePiece structurePiece : structureStart.getPieces()) {
@@ -63,7 +64,7 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
                 }
             }
 
-        });
+        } // Paper
         return new Beardifier(objectList.iterator(), objectList2.iterator());
     }