64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
#nullable enable
|
|
|
|
using System;
|
|
using System.Collections.Immutable;
|
|
using System.Diagnostics;
|
|
using System.Xml.Linq;
|
|
|
|
namespace Barotrauma
|
|
{
|
|
public abstract class Prefab : IDisposable
|
|
{
|
|
public readonly static ImmutableHashSet<Type> Types;
|
|
static Prefab()
|
|
{
|
|
Types = ReflectionUtils.GetDerivedNonAbstract<Prefab>().ToImmutableHashSet();
|
|
}
|
|
|
|
private static bool potentialCallFromConstructor = false;
|
|
public static void DisallowCallFromConstructor()
|
|
{
|
|
if (!potentialCallFromConstructor) { return; }
|
|
StackTrace st = new StackTrace(skipFrames: 2, fNeedFileInfo: false);
|
|
for (int i = st.FrameCount-1; i >= 0; i--)
|
|
{
|
|
if (st.GetFrame(i)?.GetMethod() is {IsConstructor: true, DeclaringType: { } declaringType}
|
|
&& Types.Contains(declaringType))
|
|
{
|
|
throw new Exception("Called disallowed method from within a prefab's constructor!");
|
|
}
|
|
}
|
|
potentialCallFromConstructor = false;
|
|
}
|
|
|
|
public readonly Identifier Identifier;
|
|
public readonly ContentFile ContentFile;
|
|
|
|
public ContentPackage? ContentPackage => ContentFile?.ContentPackage;
|
|
public ContentPath FilePath => ContentFile.Path;
|
|
|
|
public Prefab(ContentFile file, Identifier identifier)
|
|
{
|
|
potentialCallFromConstructor = true;
|
|
ContentFile = file;
|
|
Identifier = identifier;
|
|
if (Identifier.IsEmpty) { throw new ArgumentException($"Error creating {GetType().Name}: Identifier cannot be empty"); }
|
|
}
|
|
|
|
public Prefab(ContentFile file, ContentXElement element)
|
|
{
|
|
potentialCallFromConstructor = true;
|
|
ContentFile = file;
|
|
Identifier = DetermineIdentifier(element!);
|
|
if (Identifier.IsEmpty) { throw new ArgumentException($"Error creating {GetType().Name}: Identifier cannot be empty"); }
|
|
}
|
|
|
|
protected virtual Identifier DetermineIdentifier(XElement element)
|
|
{
|
|
return element.GetAttributeIdentifier("identifier", Identifier.Empty);
|
|
}
|
|
|
|
public abstract void Dispose();
|
|
}
|
|
}
|