papermc/patches/server/0033-Disable-explosion-knockback.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Sudzzy <originmc@outlook.com>
Date: Wed, 2 Mar 2016 14:48:03 -0600
Subject: [PATCH] Disable explosion knockback


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 4881b03d470646843bad1bc343eb6a6ab9072d8e..2222c1bb5f8625eee4d88946e4bfdfa2fe598977 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -161,4 +161,9 @@ public class PaperWorldConfig {
         optimizeExplosions = getBoolean("optimize-explosions", false);
         log("Optimize explosions: " + optimizeExplosions);
     }
+
+    public boolean disableExplosionKnockback;
+    private void disableExplosionKnockback(){
+        disableExplosionKnockback = getBoolean("disable-explosion-knockback", false);
+    }
 }
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 759cd74cda7f0d1f3c0f3bc0a2a941e16258a1c0..5b285714ce231d45d879be83ae36d94eaa8310c0 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -1380,6 +1380,7 @@ public abstract class LivingEntity extends Entity {
                 }
             }
 
+            boolean knockbackCancelled = level.paperConfig.disableExplosionKnockback && source.isExplosion() && this instanceof net.minecraft.world.entity.player.Player; // Paper - Disable explosion knockback
             if (flag1) {
                 if (flag) {
                     this.level.broadcastEntityEvent(this, (byte) 29);
@@ -1400,6 +1401,7 @@ public abstract class LivingEntity extends Entity {
                         b0 = 2;
                     }
 
+                    if (!knockbackCancelled) // Paper - Disable explosion knockback
                     this.level.broadcastEntityEvent(this, b0);
                 }
 
@@ -1423,6 +1425,7 @@ public abstract class LivingEntity extends Entity {
                 }
             }
 
+            if (knockbackCancelled) this.level.broadcastEntityEvent(this, (byte) 2); // Paper - Disable explosion knockback
             if (this.isDeadOrDying()) {
                 if (!this.checkTotemDeathProtection(source)) {
                     SoundEvent soundeffect = this.getDeathSound();
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index f833041bb004203f327d33dc7aaade8e9ab36772..35ea80a18234d8125397edb5bab9e86ea526d3ca 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -243,14 +243,14 @@ public class Explosion {
                         double d14 = d13;
 
                         if (entity instanceof LivingEntity) {
-                            d14 = ProtectionEnchantment.getExplosionKnockbackAfterDampener((LivingEntity) entity, d13);
+                            d14 = entity instanceof Player && level.paperConfig.disableExplosionKnockback ? 0 : ProtectionEnchantment.getExplosionKnockbackAfterDampener((LivingEntity) entity, d13); // Paper - Disable explosion knockback
                         }
 
                         entity.setDeltaMovement(entity.getDeltaMovement().add(d8 * d14, d9 * d14, d10 * d14));
                         if (entity instanceof Player) {
                             Player entityhuman = (Player) entity;
 
-                            if (!entityhuman.isSpectator() && (!entityhuman.isCreative() || !entityhuman.getAbilities().flying)) {
+                            if (!entityhuman.isSpectator() && (!entityhuman.isCreative() || !entityhuman.getAbilities().flying) && !level.paperConfig.disableExplosionKnockback) { // Paper - Disable explosion knockback
                                 this.hitPlayers.put(entityhuman, new Vec3(d8 * d13, d9 * d13, d10 * d13));
                             }
                         }