Files
tbd-station-14/Content.Shared/GameObjects/Verbs/VerbUtility.cs
2020-05-23 03:09:44 +02:00

65 lines
2.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Reflection;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Utility;
namespace Content.Shared.GameObjects
{
public static class VerbUtility
{
public const float InteractionRange = 2;
public const float InteractionRangeSquared = InteractionRange * InteractionRange;
// TODO: This is a quick hack. Verb objects should absolutely be cached properly.
// This works for now though.
public static IEnumerable<(IComponent, Verb)> GetVerbs(IEntity entity)
{
foreach (var component in entity.GetAllComponents())
{
var type = component.GetType();
foreach (var nestedType in type.GetAllNestedTypes())
{
if (!typeof(Verb).IsAssignableFrom(nestedType) || nestedType.IsAbstract)
{
continue;
}
var verb = (Verb)Activator.CreateInstance(nestedType);
yield return (component, verb);
}
}
}
/// <summary>
/// Returns an IEnumerable of all classes inheriting <see cref="GlobalVerb"/> with the <see cref="GlobalVerbAttribute"/> attribute.
/// </summary>
/// <param name="assembly">The assembly to search for global verbs in.</param>
public static IEnumerable<GlobalVerb> GetGlobalVerbs(Assembly assembly)
{
foreach (Type type in assembly.GetTypes())
{
if (Attribute.IsDefined(type, typeof(GlobalVerbAttribute)))
{
if (!typeof(GlobalVerb).IsAssignableFrom(type) || type.IsAbstract)
{
continue;
}
yield return (GlobalVerb)Activator.CreateInstance(type);
}
}
}
public static bool InVerbUseRange(IEntity user, IEntity target)
{
var distanceSquared = (user.Transform.WorldPosition - target.Transform.WorldPosition)
.LengthSquared;
if (distanceSquared > InteractionRangeSquared)
{
return false;
}
return true;
}
}
}