LeavesMC/leaves-server/unapplied/minecraft-patches/features/0064-Reduce-lambda-and-Optional-allocation-in-EntityBased.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Thu, 20 Jul 2023 15:30:56 +0800
Subject: [PATCH] Reduce lambda and Optional allocation in
 EntityBasedExplosionDamageCalculator

This patch is Powered by Gale(https://github.com/GaleMC/Gale)

diff --git a/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java b/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
index 52cb2dcd714cf8c16f167466333eeb923e4ff183..8f2fbfb8d0a24d53697442addf940fa18ae4c69b 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));
+        if (!org.leavesmc.leaves.LeavesConfig.performance.remove.damageLambda) {
+            return super.getBlockExplosionResistance(explosion, reader, pos, state, fluid)
+                    .map(max -> this.source.getBlockExplosionResistance(explosion, reader, pos, state, fluid, max));
+        } else {
+            Optional<Float> optionalBlastResistance = super.getBlockExplosionResistance(explosion, reader, pos, state, fluid);
+            if (optionalBlastResistance.isPresent()) {
+                float blastResistance = optionalBlastResistance.get();
+                float effectiveExplosionResistance = this.source.getBlockExplosionResistance(explosion, reader, pos, state, fluid, blastResistance);
+                if (effectiveExplosionResistance != blastResistance) {
+                    return Optional.of(effectiveExplosionResistance);
+                }
+            }
+            return optionalBlastResistance;
+        }
     }
 
     @Override