From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Sun, 14 Aug 2022 08:25:24 +0800
Subject: [PATCH] Optimize suffocation

This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)

diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index f577dcc95bba43a2aa8a3a54b3afbcf50e93d52b..42f89171251a5f2dcd6e75eaa1135b34f1e34d6b 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -402,7 +402,7 @@ public abstract class LivingEntity extends Entity {
             boolean flag = this instanceof net.minecraft.world.entity.player.Player;
 
             if (!this.level.isClientSide) {
-                if (this.isInWall()) {
+                if ((!top.leavesmc.leaves.LeavesConfig.enableSuffocationOptimization || (tickCount % 10 == 0 && couldPossiblyBeHurt(1.0F))) && this.isInWall()) { // Leaves - optimize suffocation
                     this.hurt(DamageSource.IN_WALL, 1.0F);
                 } else if (flag && !this.level.getWorldBorder().isWithinBounds(this.getBoundingBox())) {
                     double d0 = this.level.getWorldBorder().getDistanceToBorder(this) + this.level.getWorldBorder().getDamageSafeZone();
@@ -1327,6 +1327,15 @@ public abstract class LivingEntity extends Entity {
         return this.getHealth() <= 0.0F;
     }
 
+    // Leaves start - optimize suffocation
+    public boolean couldPossiblyBeHurt(float amount) {
+        if ((float) this.invulnerableTime > (float) this.invulnerableDuration / 2.0F && amount <= this.lastHurt) {
+            return false;
+        }
+        return true;
+    }
+    // Leaves end - optimize suffocation
+
     @Override
     public boolean hurt(DamageSource source, float amount) {
         if (this.isInvulnerableTo(source)) {
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index ab3d6372712b9956d731ea273064b8e2657e5361..0d05fef5f9cf63dd089f46507e600e60a7f7a93b 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -259,6 +259,10 @@ public final class LeavesConfig {
         optimizeEntityCoordinateKey = getBoolean("settings.performance.optimize-entity-coordinate-key", optimizeEntityCoordinateKey);
     }
 
+    public static boolean enableSuffocationOptimization = true;
+    private static void enableSuffocationOptimization() {
+        enableSuffocationOptimization = getBoolean("settings.performance.enable-suffocation-optimization", enableSuffocationOptimization);
+    }
 
     public static final class WorldConfig {