Fix view distance API (#1419)

Spigot-Server-Patches/Entity-Tracking-Improvements.patch

@@ -7,7 +7,7 @@ If any part of a Vehicle/Passenger relationship is visible to a player,
 send all passenger/vehicles to the player in the chain.
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index d070d68d7c..4d2e978894 100644
+index d070d68d..4d2e9788 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
 @@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
@@ -19,7 +19,7 @@ index d070d68d7c..4d2e978894 100644
          if (bukkitEntity == null) {
              bukkitEntity = CraftEntity.getEntity(world.getServer(), this);
 diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
-index cce2ce9397..4dbc5eca34 100644
+index 6120c63a..a9d51641 100644
 --- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
 +++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
 @@ -0,0 +0,0 @@ public class EntityTrackerEntry {
@@ -89,7 +89,7 @@ index cce2ce9397..4dbc5eca34 100644
 +        // Paper end
          double d0 = entityplayer.locX - (double) this.xLoc / 4096.0D;
          double d1 = entityplayer.locZ - (double) this.zLoc / 4096.0D;
-         int i = Math.min(this.e, this.f);
+         int i = Math.min(this.e, (entityplayer.getViewDistance() - 1) * 16); // Paper - Use player view distance API
 @@ -0,0 +0,0 @@ public class EntityTrackerEntry {
              this.trackedPlayers.remove(entityplayer);
              this.tracker.c(entityplayer);