From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Fri, 23 Dec 2022 20:42:50 +0100
Subject: [PATCH] Reduce block destruction packet allocations

License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org

This patch is based on the following patch:
"Cache block break animation packet"
By: VytskaLT <VytskaLT@protonmail.com>
As part of: SportPaper (https://github.com/Electroid/SportPaper)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)

diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
index 617eb1b9d30d499124576c5d7cb5152571cc6b84..ad114ca013e0d09d40755acbe916586868a519ed 100644
--- a/net/minecraft/server/level/ServerLevel.java
+++ b/net/minecraft/server/level/ServerLevel.java
@@ -1579,6 +1579,15 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
 
     @Override
     public void destroyBlockProgress(int breakerId, BlockPos pos, int progress) {
+        // Gale start - SportPaper - reduce block destruction packet allocations
+        var players = this.server.getPlayerList().getPlayers();
+
+        if (players.isEmpty()) {
+            return;
+        }
+
+        ClientboundBlockDestructionPacket packet = new ClientboundBlockDestructionPacket(breakerId, pos, progress);
+        // Gale end - SportPaper - reduce block destruction packet allocations
         // CraftBukkit start
         Player breakerPlayer = null;
         Entity entity = this.getEntity(breakerId);
@@ -1595,7 +1604,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
                 .callEvent();
         }
         // Paper end - Add BlockBreakProgressUpdateEvent
-        for (ServerPlayer serverPlayer : this.server.getPlayerList().getPlayers()) {
+        for (ServerPlayer serverPlayer : players) { // Gale - SportPaper - reduce block destruction packet allocations
             if (serverPlayer != null && serverPlayer.level() == this && serverPlayer.getId() != breakerId) {
                 double d = pos.getX() - serverPlayer.getX();
                 double d1 = pos.getY() - serverPlayer.getY();
@@ -1606,7 +1615,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
                 }
                 // CraftBukkit end
                 if (d * d + d1 * d1 + d2 * d2 < 1024.0) {
-                    serverPlayer.connection.send(new ClientboundBlockDestructionPacket(breakerId, pos, progress));
+                    serverPlayer.connection.send(packet); // Gale - SportPaper - reduce block destruction packet allocations
                 }
             }
         }