public static Dictionary <string, Type> GatherShaderGraphInstructions()
{
Dictionary <string, Type> nodes = new Dictionary <string, Type>();
Type[] types = Miscellaneous.GetAllClassesWithAttribute <ShaderGraphMaterial.ShaderGraphInstructionAttribute>().ToArray();
string nodeName;
foreach (var t in types)
{
nodeName = (t.GetCustomAttributes(typeof(ShaderGraphMaterial.ShaderGraphInstructionAttribute),
true).First() as ShaderGraphMaterial.ShaderGraphInstructionAttribute).NodeName;
nodes.Add(nodeName, t);
}
return(nodes);
}