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Send nearby packets from world list instead of server list #1196

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Aug 17, 2018
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Send nearby packets from world list instead of server list #1196

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134 changes: 134 additions & 0 deletions Spigot-Server-Patches/0329-Send-nearby-packets-from-world-player-list-not-serve.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,134 @@
From aee707c111aa24b4a9036acb37b6e226efc81a44 Mon Sep 17 00:00:00 2001
From: Mystiflow <mystiflow@gmail.com>
Date: Fri, 6 Jul 2018 13:21:30 +0100
Subject: [PATCH] Send nearby packets from world player list not server list


diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index eaaa54ac..44ced604 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -1239,8 +1239,25 @@ public abstract class PlayerList {
}

public void sendPacketNearby(@Nullable EntityHuman entityhuman, double d0, double d1, double d2, double d3, int i, Packet<?> packet) {
- for (int j = 0; j < this.players.size(); ++j) {
- EntityPlayer entityplayer = (EntityPlayer) this.players.get(j);
+ // Paper start - Use world list instead of server list where preferable
+ sendPacketNearby(entityhuman, d0, d1, d2, d3, i, null, packet); // Retained for compatibility
+ }
+
+ public void sendPacketNearby(@Nullable EntityHuman entityhuman, double d0, double d1, double d2, double d3, WorldServer world, Packet<?> packet) {
+ sendPacketNearby(entityhuman, d0, d1, d2, d3, world.dimension, world, packet);
+ }
+
+ public void sendPacketNearby(@Nullable EntityHuman entityhuman, double d0, double d1, double d2, double d3, int i, @Nullable WorldServer world, Packet<?> packet) {
+ if (world == null && entityhuman != null && entityhuman.world instanceof WorldServer) {
+ world = (WorldServer) entityhuman.world;
+ }
+
+ List<? extends EntityHuman> players1 = world == null ? players : world.players;
+ for (int j = 0; j < players1.size(); ++j) {
+ EntityHuman entity = players1.get(j);
+ if (!(entity instanceof EntityPlayer)) continue;
+ EntityPlayer entityplayer = (EntityPlayer) players1.get(j);
+ // Paper end

// CraftBukkit start - Test if player receiving packet can see the source of the packet
if (entityhuman != null && entityhuman instanceof EntityPlayer && !entityplayer.getBukkitEntity().canSee(((EntityPlayer) entityhuman).getBukkitEntity())) {
@@ -1248,7 +1265,7 @@ public abstract class PlayerList {
}
// CraftBukkit end

- if (entityplayer != entityhuman && entityplayer.dimension == i) {
+ if (entityplayer != entityhuman && (world != null || entityplayer.dimension == i)) { // Paper
double d4 = d0 - entityplayer.locX;
double d5 = d1 - entityplayer.locY;
double d6 = d2 - entityplayer.locZ;
diff --git a/src/main/java/net/minecraft/server/WorldManager.java b/src/main/java/net/minecraft/server/WorldManager.java
index 2c8fb705..a986e947 100644
--- a/src/main/java/net/minecraft/server/WorldManager.java
+++ b/src/main/java/net/minecraft/server/WorldManager.java
@@ -35,8 +35,8 @@ public class WorldManager implements IWorldAccess {
}

public void a(@Nullable EntityHuman entityhuman, SoundEffect soundeffect, SoundCategory soundcategory, double d0, double d1, double d2, float f, float f1) {
- // CraftBukkit - this.world.dimension
- this.a.getPlayerList().sendPacketNearby(entityhuman, d0, d1, d2, f > 1.0F ? (double) (16.0F * f) : 16.0D, this.world.dimension, new PacketPlayOutNamedSoundEffect(soundeffect, soundcategory, d0, d1, d2, f, f1));
+ // CraftBukkit - this.world.dimension, // Paper - this.world.dimension -> this.world
+ this.a.getPlayerList().sendPacketNearby(entityhuman, d0, d1, d2, f > 1.0F ? (double) (16.0F * f) : 16.0D, this.world, new PacketPlayOutNamedSoundEffect(soundeffect, soundcategory, d0, d1, d2, f, f1));
}

public void a(int i, int j, int k, int l, int i1, int j1) {}
@@ -51,7 +51,7 @@ public class WorldManager implements IWorldAccess {

public void a(EntityHuman entityhuman, int i, BlockPosition blockposition, int j) {
// CraftBukkit - this.world.dimension
- this.a.getPlayerList().sendPacketNearby(entityhuman, (double) blockposition.getX(), (double) blockposition.getY(), (double) blockposition.getZ(), 64.0D, this.world.dimension, new PacketPlayOutWorldEvent(i, blockposition, j, false));
+ this.a.getPlayerList().sendPacketNearby(entityhuman, (double) blockposition.getX(), (double) blockposition.getY(), (double) blockposition.getZ(), 64.0D, this.world, new PacketPlayOutWorldEvent(i, blockposition, j, false));
}

public void a(int i, BlockPosition blockposition, int j) {
@@ -59,7 +59,7 @@ public class WorldManager implements IWorldAccess {
}

public void b(int i, BlockPosition blockposition, int j) {
- Iterator iterator = this.a.getPlayerList().v().iterator();
+ // Iterator iterator = this.a.getPlayerList().v().iterator(); // Paper

// CraftBukkit start
EntityHuman entityhuman = null;
@@ -67,7 +67,13 @@ public class WorldManager implements IWorldAccess {
if (entity instanceof EntityHuman) entityhuman = (EntityHuman) entity;
// CraftBukkit end

+ // Paper start
+ java.util.List<? extends EntityHuman> list = entity != null ? entity.world.players : this.a.getPlayerList().v();
+ Iterator<? extends EntityHuman> iterator = list.iterator();
while (iterator.hasNext()) {
+ EntityHuman human = iterator.next();
+ if (!(human instanceof EntityPlayer)) continue;
+ // Paper end
EntityPlayer entityplayer = (EntityPlayer) iterator.next();

if (entityplayer != null && entityplayer.world == this.world && entityplayer.getId() != i) {
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 9fe5c440..8768b0b8 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1234,7 +1234,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
}
// CraftBukkit end
if (super.strikeLightning(entity)) {
- this.server.getPlayerList().sendPacketNearby((EntityHuman) null, entity.locX, entity.locY, entity.locZ, 512.0D, dimension, new PacketPlayOutSpawnEntityWeather(entity)); // CraftBukkit - Use dimension
+ this.server.getPlayerList().sendPacketNearby((EntityHuman) null, entity.locX, entity.locY, entity.locZ, 512.0D, this, new PacketPlayOutSpawnEntityWeather(entity)); // CraftBukkit - Use dimension, // Paper - use world instead of dimension
return true;
} else {
return false;
@@ -1309,8 +1309,8 @@ public class WorldServer extends World implements IAsyncTaskHandler {
BlockActionData blockactiondata = (BlockActionData) iterator.next();

if (this.a(blockactiondata)) {
- // CraftBukkit - this.worldProvider.dimension -> this.dimension
- this.server.getPlayerList().sendPacketNearby((EntityHuman) null, (double) blockactiondata.a().getX(), (double) blockactiondata.a().getY(), (double) blockactiondata.a().getZ(), 64.0D, dimension, new PacketPlayOutBlockAction(blockactiondata.a(), blockactiondata.d(), blockactiondata.b(), blockactiondata.c()));
+ // CraftBukkit - this.worldProvider.dimension -> this.dimension, // Paper - dimension -> world
+ this.server.getPlayerList().sendPacketNearby((EntityHuman) null, (double) blockactiondata.a().getX(), (double) blockactiondata.a().getY(), (double) blockactiondata.a().getZ(), 64.0D, this, new PacketPlayOutBlockAction(blockactiondata.a(), blockactiondata.d(), blockactiondata.b(), blockactiondata.c()));
}
}

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 210e3bc4..170c937a 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -1496,7 +1496,7 @@ public class CraftWorld implements World {
double z = loc.getZ();

PacketPlayOutCustomSoundEffect packet = new PacketPlayOutCustomSoundEffect(sound, SoundCategory.valueOf(category.name()), x, y, z, volume, pitch);
- world.getMinecraftServer().getPlayerList().sendPacketNearby(null, x, y, z, volume > 1.0F ? 16.0F * volume : 16.0D, this.world.dimension, packet);
+ world.getMinecraftServer().getPlayerList().sendPacketNearby(null, x, y, z, volume > 1.0F ? 16.0F * volume : 16.0D, this.world, packet); // Paper - this.world.dimension -> this.world
}

public String getGameRuleValue(String rule) {
--
2.18.0.rc2.windows.1