source: TFP-WebServer/WebServer/src/WebAPI/APIs/WorldState/Hostile.cs@ 477

using System.Collections.Generic;
using JetBrains.Annotations;
using Utf8Json;
using Webserver.LiveData;

namespace Webserver.WebAPI.APIs.WorldState {
        [UsedImplicitly]
        internal class Hostile : AbsRestApi {
                private readonly List<EntityEnemy> entities = new List<EntityEnemy> ();

                private static readonly byte[] jsonKeyId = JsonWriter.GetEncodedPropertyNameWithBeginObject ("id");
                private static readonly byte[] jsonKeyName = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("name");
                private static readonly byte[] jsonKeyPosition = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("position");

                protected override void HandleRestGet (RequestContext _context) {
                        PrepareEnvelopedResult (out JsonWriter writer);
                        writer.WriteBeginArray ();
                        
                        lock (entities) {
                                Hostiles.Instance.Get (entities);
                                
                                for (int i = 0; i < entities.Count; i++) {
                                        if (i > 0) {
                                                writer.WriteValueSeparator ();
                                        }
                                        
                                        EntityAlive entity = entities [i];
                                        Vector3i position = new Vector3i (entity.GetPosition ());
                                        
                                        writer.WriteRaw (jsonKeyId);
                                        writer.WriteInt32 (entity.entityId);
                                        
                                        writer.WriteRaw (jsonKeyName);
                                        writer.WriteString (!string.IsNullOrEmpty (entity.EntityName) ? entity.EntityName : $"enemy class #{entity.entityClass}");
                                        
                                        writer.WriteRaw (jsonKeyPosition);
                                        JsonCommons.WriteVector3I (ref writer, position);

                                        writer.WriteEndObject ();
                                }
                        }
                        
                        writer.WriteEndArray ();
                        SendEnvelopedResult (_context, ref writer);
                }
        }
}