fixes

Made it enableing shadows also t\enable cast shows on the stuff above.

Made it so when shadows are enabled the variable "Single Sample Shadow from stationary lights" will be disabled on guns,zombies, and the players hands. this is so shadows can be casted onto them.

e

Added extra climbable stuff at the stairs area.

Test

Head and body materials for zombies is now randomized instead of be based on mesh.

In editor test value will now only work in editor.

Fixed not having fall damage and turning into a T posing Mannequin when climbing and some other Advanced module on ticks stuff.

Decently optimized zombie AI all around