add GetID() (#1708)

utility.lua

@@ -4,6 +4,15 @@ POS_FACEUP_DEFENCE=POS_FACEUP_DEFENSE
 POS_FACEDOWN_DEFENCE=POS_FACEDOWN_DEFENSE
 RACE_CYBERS=RACE_CYBERSE
 
+function GetID()
+	local str=string.match(debug.getinfo(2,"S")["source"],"c%d+%.lua")
+	str=string.sub(str,1,string.len(str)-4)
+	local scard=_G[str]
+	local id=tonumber(string.sub(str,2))
+	local offset=id<100000000 and 1 or 100
+	return scard,id,offset
+end
+
 --the lua version of the bit32 lib, which is deprecated in lua 5.3
 bit={}
 function bit.band(a,b)