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path: root/patches/server/0164-Send-attack-SoundEffects-only-to-players-who-can-see.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Brokkonaut <hannos17@gmx.de>
Date: Tue, 31 Oct 2017 03:26:18 +0100
Subject: [PATCH] Send attack SoundEffects only to players who can see the
 attacker


diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index ca9731d4d963f2615721e3e1f7e1a5e13c94cf52..653dbaafb9247653a6d8f549b57f0a5d62b05265 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -31,6 +31,7 @@ import net.minecraft.network.chat.MutableComponent;
 import net.minecraft.network.chat.TextComponent;
 import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket;
+import net.minecraft.network.protocol.game.ClientboundSoundPacket;
 import net.minecraft.network.syncher.EntityDataAccessor;
 import net.minecraft.network.syncher.EntityDataSerializers;
 import net.minecraft.network.syncher.SynchedEntityData;
@@ -1191,7 +1192,7 @@ public abstract class Player extends LivingEntity {
                     int i = b0 + EnchantmentHelper.getKnockbackBonus(this);
 
                     if (this.isSprinting() && flag) {
-                        this.level.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_KNOCKBACK, this.getSoundSource(), 1.0F, 1.0F);
+                        sendSoundEffect(this, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_KNOCKBACK, this.getSoundSource(), 1.0F, 1.0F); // Paper - send while respecting visibility
                         ++i;
                         flag1 = true;
                     }
@@ -1266,7 +1267,7 @@ public abstract class Player extends LivingEntity {
                                 }
                             }
 
-                            this.level.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_SWEEP, this.getSoundSource(), 1.0F, 1.0F);
+                            sendSoundEffect(this, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_SWEEP, this.getSoundSource(), 1.0F, 1.0F); // Paper - send while respecting visibility
                             this.sweepAttack();
                         }
 
@@ -1294,15 +1295,15 @@ public abstract class Player extends LivingEntity {
                         }
 
                         if (flag2) {
-                            this.level.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_CRIT, this.getSoundSource(), 1.0F, 1.0F);
+                            sendSoundEffect(this, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_CRIT, this.getSoundSource(), 1.0F, 1.0F); // Paper - send while respecting visibility
                             this.crit(target);
                         }
 
                         if (!flag2 && !flag3) {
                             if (flag) {
-                                this.level.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_STRONG, this.getSoundSource(), 1.0F, 1.0F);
+                                sendSoundEffect(this, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_STRONG, this.getSoundSource(), 1.0F, 1.0F); // Paper - send while respecting visibility
                             } else {
-                                this.level.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_WEAK, this.getSoundSource(), 1.0F, 1.0F);
+                                sendSoundEffect(this, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_WEAK, this.getSoundSource(), 1.0F, 1.0F); // Paper - send while respecting visibility
                             }
                         }
 
@@ -1354,7 +1355,7 @@ public abstract class Player extends LivingEntity {
 
                         this.causeFoodExhaustion(level.spigotConfig.combatExhaustion, EntityExhaustionEvent.ExhaustionReason.ATTACK); // CraftBukkit - EntityExhaustionEvent // Spigot - Change to use configurable value
                     } else {
-                        this.level.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_NODAMAGE, this.getSoundSource(), 1.0F, 1.0F);
+                        sendSoundEffect(this, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_ATTACK_NODAMAGE, this.getSoundSource(), 1.0F, 1.0F); // Paper - send while respecting visibility
                         if (flag4) {
                             target.clearFire();
                         }
@@ -1801,6 +1802,14 @@ public abstract class Player extends LivingEntity {
     public int getXpNeededForNextLevel() {
         return this.experienceLevel >= 30 ? 112 + (this.experienceLevel - 30) * 9 : (this.experienceLevel >= 15 ? 37 + (this.experienceLevel - 15) * 5 : 7 + this.experienceLevel * 2);
     }
+    // Paper start - send SoundEffect to everyone who can see fromEntity
+    private static void sendSoundEffect(Player fromEntity, double x, double y, double z, SoundEvent soundEffect, SoundSource soundCategory, float volume, float pitch) {
+        fromEntity.level.playSound(fromEntity, x, y, z, soundEffect, soundCategory, volume, pitch); // This will not send the effect to the entity himself
+        if (fromEntity instanceof ServerPlayer) {
+            ((ServerPlayer) fromEntity).connection.send(new ClientboundSoundPacket(soundEffect, soundCategory, x, y, z, volume, pitch));
+        }
+    }
+    // Paper end
 
     // CraftBukkit start
     public void causeFoodExhaustion(float exhaustion) {