Copy salient and essential scripts and models from Plane Building Roblox

scripts/modules/HexxieModule.lua

@@ -0,0 +1,69 @@
+local extract = bit32.extract
+local replace = bit32.replace
+local gmatch = string.gmatch
+local char = string.char
+local pck = string.pack
+local unpck = string.unpack
+local lshift = bit32.lshift
+local rshift = bit32.rshift
+local format = string.format
+local byte = string.byte
+local tostring = tostring
+local tonumber = tonumber
+local gsub = string.gsub
+local rep = string.rep
+local sub = string.sub
+local r = 33
+
+@native
+local function encode(num)
+	local str = pck("d",num)
+	local f = unpck("I",str:sub(1,4))
+	local s = unpck("I",str:sub(5,8))
+	return format("%s%s%s%s%s%s%s%s%s%s%s",
+		char(extract(f,0,6)+r),
+		char(extract(f,6,6)+r),
+		char(extract(f,12,6)+r),
+		char(extract(f,18,6)+r),
+		char(extract(f,24,6)+r),	
+		char(extract(s,0,6)+r),
+		char(extract(s,6,6)+r),
+		char(extract(s,12,6)+r),
+		char(extract(s,18,6)+r),
+		char(extract(s,24,6)+r),
+		char(replace(extract(f,30,2),extract(s,30,2),2,2)+r)
+	)
+end
+@native
+local function decode(str)
+	local a,b,c,d,e,f,g,h,i,j,k = byte(str,1,11)
+	k = k - r
+	local s = replace(replace(replace(replace(replace(f-r,g-r,6,6),h-r,12,6),i-r,18,6),j-r,24,6),extract(k,2,2),30,2)
+	local f = replace(replace(replace(replace(replace(a-r,b-r,6,6),c-r,12,6),d-r,18,6),e-r,24,6),extract(k,0,2),30,2)
+	local a = unpck("d",pck("I",f)..pck("I",s))
+	return a
+end
+@native
+local function rle_encode(str)
+	--print("nuttin",str)
+	str = gsub(str,"%$","$$")
+	--print("dollars sanitised",str)
+	str = gsub(str,"(!!!!?!?!?!?!?!?)",function(rep)
+		return format("$%i",#rep)
+	end)
+	--print("repeats replaced",str)
+	return str
+end
+@native
+local function rle_decode(str)
+	str = gsub(str,"(%$+)(%d)",function(first,num)
+		if (#first % 2 == 0) then return first..num end 
+		return rep("$",#first-1)..rep("!",tonumber(num))
+	end)
+	--print("repeats removed",str)
+	str = gsub(str,"%$%$","$")
+	--print("dollars desanities",str)
+	return str
+end
+
+return {decode = decode, encode = encode, rle_encode = rle_encode, rle_decode = rle_decode}