If you get Project Blue, or even Project Green, you may use the following script for armor:
;Artificial Intelligence Script
;Header
desc = Armor Script, by Plystire (Requires Ply's Mod V1.05+)
;Triggers
:state=0:dimvar=PlrHealth,dimvar=PlrArmor,setvar=PlrArmor 100,dimvar=Temp
:state=0:hudreset,hudx=24,hudy=8,hudsizex=16,hudsizey=16,hudimage=gamecore\huds\numeric2.tga,hudname=PlrArmorNum,hudtype=6,huduservar=PlrArmor,hudmake=numeric,state=1
:vargreater=PlrHealth $PH,vargreater=PlrArmor 0:setvar=Temp %PlrHealth,subvar=Temp $PH,plraddhealth=%Temp
:vargreater=Temp 0:subvar=PlrArmor %Temp,setvar=Temp 0,etimerstart
:varless=PlrArmor 0:setvar=PlrArmor 0
:etimergreater=5000,varless=PlrArmor 100:addvar=PlrArmor 1
:ALWAYS:setvar=PlrHealth $PH
;End of Script
The one and only,