Thank you so much, glad you enjoyed the visuals so much!!! I aggree im not the best when it comes to making the playercontroller feel 100% right but I hope I will learn in that regard!
You can Press Q or roll the scroll wheel to switch between the gun and the hammer! That the player doesnt spawn with the gun equiped in the beginning of the boss is a dumb oversight that I should probably fix in a later update!
Hope you have fun with the boss!!