added 'ping'

docs/scarpet/Full.md

@@ -2502,6 +2502,10 @@ Returns `null` if the argument is not a player, otherwise:
 *   `shadow`: any carpet-shadowed real player
 *   `realms`: ?
 
+### `query(e,'ping')`
+    
+Player's ping in milliseconds, or `null` if its not a player.
+
 ### `query(e,'permission_level')`
 
 Player's permission level, or `null` if not applicable for this entity.

docs/scarpet/api/Entities.md

@@ -265,6 +265,10 @@ Returns `null` if the argument is not a player, otherwise:
 *   `shadow`: any carpet-shadowed real player
 *   `realms`: ?
 
+### `query(e,'ping')`
+    
+Player's ping in milliseconds, or `null` if its not a player.
+
 ### `query(e,'permission_level')`
 
 Player's permission level, or `null` if not applicable for this entity.

src/main/java/carpet/script/value/EntityValue.java

@@ -331,6 +331,15 @@ public class EntityValue extends Value
             return Value.NULL;
         });
 
+        put("ping", (e, a) -> {
+            if (e instanceof  ServerPlayerEntity)
+            {
+                ServerPlayerEntity spe = (ServerPlayerEntity) e;
+                return new NumericValue(spe.pingMilliseconds);
+            }
+            return Value.NULL;
+        });
+
         //spectating_entity
         // isGlowing
         put("effect", (e, a) ->