From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sun, 26 Dec 2021 20:27:43 -0500
Subject: [PATCH] Freeze Tick Lock API


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 769b5e4af8d23c768ade210cb72f8857473a696c..cad5f9feffd70ca1cdff9f36b16e73df405858bf 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -402,6 +402,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
     private org.bukkit.util.Vector origin;
     @javax.annotation.Nullable
     private UUID originWorld;
+    public boolean freezeLocked = false; // Paper - Freeze Tick Lock API
 
     public void setOrigin(@javax.annotation.Nonnull Location location) {
         this.origin = location.toVector();
@@ -833,7 +834,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
                 this.setRemainingFireTicks(this.remainingFireTicks - 1);
             }
 
-            if (this.getTicksFrozen() > 0) {
+            if (this.getTicksFrozen() > 0 && !freezeLocked) { // Paper - Freeze Tick Lock API
                 this.setTicksFrozen(0);
                 this.level().levelEvent((Player) null, 1009, this.blockPosition, 1);
             }
@@ -2417,6 +2418,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
             if (fromNetherPortal) {
                 nbt.putBoolean("Paper.FromNetherPortal", true);
             }
+            if (freezeLocked) {
+                nbt.putBoolean("Paper.FreezeLock", true);
+            }
             // Paper end
             return nbt;
         } catch (Throwable throwable) {
@@ -2582,6 +2586,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
             if (spawnReason == null) {
                 spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
             }
+            if (nbt.contains("Paper.FreezeLock")) {
+                freezeLocked = nbt.getBoolean("Paper.FreezeLock");
+            }
             // Paper end
 
         } catch (Throwable throwable) {
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 5287ff8b30a6d27ca05241695a6c99e868a5aa36..351c60a6f1dfc00aa1a300ed929e81df8d0d025a 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3427,7 +3427,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
 
         this.level().getProfiler().pop();
         this.level().getProfiler().push("freezing");
-        if (!this.level().isClientSide && !this.isDeadOrDying()) {
+        if (!this.level().isClientSide && !this.isDeadOrDying() && !freezeLocked) { // Paper - Freeze Tick Lock API
             int i = this.getTicksFrozen();
 
             if (this.isInPowderSnow && this.canFreeze()) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index fbc18be64e71be2215059c34afd8129138dc4dff..cc72d960d9a5f9481ec2214b1549a344907a68da 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -663,6 +663,17 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         return this.getHandle().isFullyFrozen();
     }
 
+    // Paper Start - Freeze Tick Lock API
+    @Override
+    public boolean isFreezeTickingLocked() {
+        return this.entity.freezeLocked;
+    }
+
+    @Override
+    public void lockFreezeTicks(boolean locked) {
+        this.entity.freezeLocked = locked;
+    }
+    // Paper end - Freeze Tick Lock API
     @Override
     public void remove() {
         this.entity.discard();