Step1:
Navigate to C:\Program Files\The Game Creators\FPS Creator\Files\gamecore\guns\
Create a folder "myguns"
Step2:
Navigate to C:\Program Files\The Game Creators\FPS Creator\Files\gamecore\guns\scifi
Copy the "autoslug" folder, and paste into "myguns" folder.
Rename "autoslug" to "myslug"
Step3:
Edit the dds files to change the colors.
Edit the gunspec.txt to change the stats.
Step4:
Launch fpsc and load your map. In entity editing mode, right click on your player or character marker to edit its stats. In the General section, click on the "Has Weapon" pulldown. You should see "myguns\myslug" listed. Select it, click apply changes. Player should start with your new weapon.
If you want it to be an item to pickup of the floor, you will need to create an entity for it. Take a look at \Files\entitybank\scifi\items
to see how these work.
!