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gamemodes/darkrp/plugins/cid/items/sh_fake_id_card.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+ITEM.name = "Fausse Carte CID de #00000"
+ITEM.model = Model("models/n7/props/n7_cid_card.mdl")
+ITEM.description = "Une carte CID de citoyen, attribuée à %s | CID n°%s\n\nCID : %s\nDescription génétique :\n%s.\n\nCette carte est la propriété de l'UTC. La possession illégale et l'usurpation d'identité sont punies, et entraîneront des sanctions par la Protection Civile. Si trouvée, merci de remettre immédiatement cette carte à l'équipe de la Protection Civile la plus proche."ITEM.category = "Combine"
+ITEM.category = "Combine"
+ITEM.iconCam = {
+	pos = Vector(0, 0, 10),
+	ang = Angle(90, 90, 0),
+	fov = 45,
+}
+
+if (CLIENT) then
+	function ITEM:PaintOver(item, w, h)
+		surface.SetDrawColor(110, 255, 110, 100)
+		surface.DrawRect(w - 14, h - 14, 8, 8)
+	end
+end
+
+function ITEM:GetName()
+	return "# Carte CID n° : " .. self:GetData("cid", "00000") .. ""
+end
+
+function ITEM:GetDescription()
+	return string.format(self.description,
+		self:GetData("name", "personne"),
+		self:GetData("cid", "00000"),
+		self:GetData("cardNumber", "00-0000-0000-00"),
+		self:GetData("geneticDesc", "N/A | N/A | YEUX N/A | CHEVEUX N/A"))
+end
+
+local prime = 9999999787 -- prime % 4 = 3! DO NOT CHANGE EVER
+local offset = 100000 -- slightly larger than sqrt(prime) is ok. DO NOT CHANGE EVER
+local block = 100000000
+local function generateCardNumber(id)
+	id = (id + offset) % prime
+
+	local cardNum = 0
+
+	for _ = 1, math.floor(id/block) do
+		cardNum = (cardNum + (id * block) % prime) % prime
+	end
+
+	cardNum = (cardNum + (id * (id % block) % prime)) % prime
+
+	if (2 * id < prime) then
+		return cardNum
+	else
+		return prime - cardNum
+	end
+end
+
+function ITEM:OnInstanced()
+	local cardNum = Schema:ZeroNumber(generateCardNumber(self:GetID()), 10)
+
+	self:SetData("cardNumber", string.utf8sub(cardNum, 1, 2) .. "-" .. string.utf8sub(cardNum, 3, 6) .. "-" .. string.utf8sub(cardNum, 7, 10) .. "-" .. Schema:ZeroNumber(cardNum % 97, 2))
+end