Paper/patches/server/0837-Freeze-Tick-Lock-API.patch

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 ccef7676eee4024885fee3c6350410100a97c748..473b7c0bd9c49192041e3a6e4c8a9d760344a44a 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -397,6 +397,7 @@ 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();
@@ -825,7 +826,7 @@ 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);
             }
@@ -2247,6 +2248,9 @@ 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) {
@@ -2411,6 +2415,9 @@ 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 8dc54061802f0253193bda79bded1d5265591519..44c0f77bdeeb9061b1dfcd904ed2c63910e30e42 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3354,7 +3354,7 @@ public abstract class LivingEntity extends Entity {
         boolean flag1 = this.getType().is(EntityTypeTags.FREEZE_HURTS_EXTRA_TYPES);
         int i;
 
-        if (!this.level.isClientSide && !this.isDeadOrDying()) {
+        if (!this.level.isClientSide && !this.isDeadOrDying() && !freezeLocked) { // Paper - Freeze Tick Lock API
             i = this.getTicksFrozen();
             if (this.isInPowderSnow && this.canFreeze()) {
                 this.setTicksFrozen(Math.min(this.getTicksRequiredToFreeze(), i + 1));
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index e12dcc33e859950efec36b91ad9a43e435545d5b..2a6c67634c31c332102d24bef293da1bacd0c000 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -673,6 +673,17 @@ 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();