public static ulong ComputeVariantHash(Type variantType, GhostComponentVariationAttribute attribute)
{
var hash = Entities.TypeHash.FNV1A64(attribute.GetType().FullName);
var componentTypeName = attribute.ComponentType.FullName.Replace("+", "/");
var variantName = variantType.FullName.Replace("+", "/");
hash = Entities.TypeHash.CombineFNV1A64(hash, Entities.TypeHash.FNV1A64(componentTypeName));
hash = Entities.TypeHash.CombineFNV1A64(hash, Entities.TypeHash.FNV1A64(variantName));
return(hash);
}
public static void InitVariantCache()
{
VariantsCache = new Dictionary <string, List <VariantEntry> >();
//Traverse all pertinent assemblies (netcode or netcode referecens) and fetch any struct with GhostComponentVariationAttribute
var assemblies = System.AppDomain.CurrentDomain.GetAssemblies().Where(a =>
{
return(a.GetName().Name.StartsWith("Unity.NetCode") ||
a.GetReferencedAssemblies().Any(r => r.Name == "Unity.NetCode"));
});
foreach (var a in assemblies)
{
foreach (var t in a.GetExportedTypes())
{
var variant = t.GetCustomAttribute <GhostComponentVariationAttribute>();
if (variant == null)
{
continue;
}
variant.VariantHash = GhostComponentVariationAttribute.ComputeVariantHash(t, variant);
if (string.IsNullOrEmpty(variant.DisplayName))
{
variant.DisplayName = t.FullName;
}
if (!VariantsCache.TryGetValue(variant.ComponentType.FullName, out var list))
{
list = new List <VariantEntry>();
//Add a default entry
list.Add(new VariantEntry
{
Attribute = new GhostComponentVariationAttribute(variant.ComponentType),
VariantType = null
}
);
VariantsCache.Add(variant.ComponentType.FullName, list);
}
list.Add(new VariantEntry
{
Attribute = variant,
VariantType = t
});
}
}
}
