commit c0b011828f1abb711633afa328027472d625cdab
Author: Dino Bollinger <dino.bollinger@gmail.com>
Date:   Sat Aug 21 22:26:51 2021 +0200

    Engine: Initialize blend to 0 when inserting sprites
    
    This fixes a bug where stale blend values could be transferred over
    from a previously loaded map.

See https://voidpoint.io/terminx/eduke32 for more details.