From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Sat, 26 Nov 2022 16:28:23 +0100
Subject: [PATCH] Reduce lambda and Optional allocation in
 EntityBasedExplosionDamageCalculator

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

This patch is based on the following mixin:
"net/caffeinemc/mods/lithium/mixin/alloc/explosion_behavior/EntityExplosionBehaviorMixin.java"
By: 2No2Name <2No2Name@web.de>
As part of: Lithium (https://github.com/CaffeineMC/lithium-fabric)
Licensed under: LGPL-3.0 (https://www.gnu.org/licenses/lgpl-3.0.html)

diff --git a/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java b/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
index 52cb2dcd714cf8c16f167466333eeb923e4ff183..af9d8f5988431eaf82da6a564c19a7a359a693d0 100644
--- a/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
+++ b/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
@@ -15,8 +15,20 @@ public class EntityBasedExplosionDamageCalculator extends ExplosionDamageCalcula
 
     @Override
     public Optional<Float> getBlockExplosionResistance(Explosion explosion, BlockGetter reader, BlockPos pos, BlockState state, FluidState fluid) {
-        return super.getBlockExplosionResistance(explosion, reader, pos, state, fluid)
-            .map(resistance -> this.source.getBlockExplosionResistance(explosion, reader, pos, state, fluid, resistance));
+        // Gale start - Lithium - reduce lambda and Optional allocation in EntityBasedExplosionDamageCalculator
+        Optional<Float> optionalBlastResistance = super.getBlockExplosionResistance(explosion, reader, pos, state, fluid);
+
+        if (optionalBlastResistance.isPresent()) {
+            float resistance = optionalBlastResistance.get();
+            float effectiveExplosionResistance = this.source.getBlockExplosionResistance(explosion, reader, pos, state, fluid, resistance);
+
+            if (effectiveExplosionResistance != resistance) {
+                return Optional.of(effectiveExplosionResistance);
+            }
+        }
+
+        return optionalBlastResistance;
+        // Gale end - Lithium - reduce lambda and Optional allocation in EntityBasedExplosionDamageCalculator
     }
 
     @Override