What is the author's style in Troilus and Criseyde by Geoffrey Chaucer?

Troilus and Criseyde is a story that takes place in ancient times and has been told before by other authors. Chaucer positions himself as an interpreter of the story for his contemporary courtly medieval audience. He borrows the story from previous authors, notably Boccaccio, which he openly acknowledges within the poem itself, pointing out where his source fails to elaborate on a point and where he is inserting his own interpretation.