TechbloxModdingAPI/GamecraftModdingAPI/Events/EventManager.cs
2019-12-15 16:35:59 -08:00

103 lines
2.9 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Svelto.ECS;
namespace GamecraftModdingAPI.Events
{
/// <summary>
/// Keeps track of event handlers and emitters.
/// This is used to add, remove and get API event handlers and emitters.
/// </summary>
public static class EventManager
{
private static Dictionary<string, IEventEmitterEngine> _eventEmitters = new Dictionary<string, IEventEmitterEngine>();
private static Dictionary<string, IEventHandlerEngine> _eventHandlers = new Dictionary<string, IEventHandlerEngine>();
// event handler management
public static void AddEventHandler(IEventHandlerEngine engine)
{
_eventHandlers[engine.Name] = engine;
}
public static bool ExistsEventHandler(string name)
{
return _eventHandlers.ContainsKey(name);
}
public static bool ExistsEventHandler(IEventHandlerEngine engine)
{
return ExistsEventHandler(engine.Name);
}
public static IEventHandlerEngine GetEventHandler(string name)
{
return _eventHandlers[name];
}
public static string[] GetEventHandlerNames()
{
return _eventHandlers.Keys.ToArray();
}
public static void RemoveEventHandler(string name)
{
_eventHandlers.Remove(name);
}
// event emitter management
public static void AddEventEmitter(IEventEmitterEngine engine)
{
_eventEmitters[engine.Name] = engine;
}
public static bool ExistsEventEmitter(string name)
{
return _eventEmitters.ContainsKey(name);
}
public static bool ExistsEventEmitter(IEventEmitterEngine engine)
{
return ExistsEventEmitter(engine.Name);
}
public static IEventEmitterEngine GetEventEmitter(string name)
{
return _eventEmitters[name];
}
public static string[] GetEventEmitterNames()
{
return _eventEmitters.Keys.ToArray();
}
public static void RemoveEventEmitter(string name)
{
if (_eventEmitters[name].isRemovable)
{
_eventEmitters.Remove(name);
}
}
public static void RegisterEngines(EnginesRoot enginesRoot)
{
// Register handlers before emitters so no events are missed
var entityFactory = enginesRoot.GenerateEntityFactory();
foreach (var key in _eventHandlers.Keys)
{
enginesRoot.AddEngine(_eventHandlers[key]);
}
foreach (var key in _eventEmitters.Keys)
{
_eventEmitters[key].Factory = entityFactory;
enginesRoot.AddEngine(_eventEmitters[key]);
}
}
}
}