PaperMC/patches/server/0749-Add-PrePlayerAttackEntityEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sun, 18 Sep 2022 13:10:18 -0400
Subject: [PATCH] Add PrePlayerAttackEntityEvent


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 81e3072ac80623db47ddc0b9c52e0e56dab9e10e..551f7c3750c87527ffc78545c99075221437d1dc 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1225,8 +1225,17 @@ public abstract class Player extends LivingEntity {
     }
 
     public void attack(Entity target) {
-        if (target.isAttackable()) {
-            if (!target.skipAttackInteraction(this)) {
+        // Paper start - PlayerAttackEntityEvent
+        boolean willAttack = target.isAttackable() && !target.skipAttackInteraction(this); // Vanilla logic
+        io.papermc.paper.event.player.PrePlayerAttackEntityEvent playerAttackEntityEvent = new io.papermc.paper.event.player.PrePlayerAttackEntityEvent(
+            (org.bukkit.entity.Player) this.getBukkitEntity(),
+            target.getBukkitEntity(),
+            willAttack
+        );
+
+        if (playerAttackEntityEvent.callEvent() && willAttack) { // Logic moved to willAttack local variable.
+            {
+        // Paper end - PlayerAttackEntityEvent
                 float f = this.isAutoSpinAttack() ? this.autoSpinAttackDmg : (float) this.getAttributeValue(Attributes.ATTACK_DAMAGE);
                 ItemStack itemstack = this.getWeaponItem();
                 DamageSource damagesource = (DamageSource) Optional.ofNullable(itemstack.getItem().getDamageSource(this)).orElse(this.damageSources().playerAttack(this));