SPIGOT-5797: Zombie(Villagers) Instant Convert based on their lifetime

By: md_5 <git@md-5.net>

paper-server/nms-patches/EntityZombie.patch

@@ -24,19 +24,26 @@
  
      public EntityZombie(EntityTypes<? extends EntityZombie> entitytypes, World world) {
          super(entitytypes, world);
-@@ -144,7 +154,11 @@
+@@ -144,7 +154,10 @@
      public void tick() {
          if (!this.world.isClientSide && this.isAlive()) {
              if (this.isDrownConverting()) {
 -                --this.drownedConversionTime;
 +                // CraftBukkit start - Use wall time instead of ticks for conversion
 +                int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
-+                this.lastTick = MinecraftServer.currentTick;
 +                this.drownedConversionTime -= elapsedTicks;
 +                // CraftBukkit end
                  if (this.drownedConversionTime < 0) {
                      this.ev();
                  }
+@@ -161,6 +174,7 @@
+         }
+ 
+         super.tick();
++        this.lastTick = MinecraftServer.currentTick; // CraftBukkit
+     }
+ 
+     @Override
 @@ -193,6 +207,7 @@
      }