KCL

--Created by Atheon
--You can find the thread at http://www.mpgh.net/forum/713-garrys-mod-hacks-cheats/669569-keypad-cracker-lua-v2.html#post8138844 for instructions on use
--Please also post bugs/suggestions in this thread

local X = -50
local Y = -100

local KeyPos =	{
	{X+5, Y+100, 25, 25, -2.2, 3.45, 1.3, -0},
	{X+37.5, Y+100, 25, 25, -0.6, 1.85, 1.3, -0},
	{X+70, Y+100, 25, 25, 1.0, 0.25, 1.3, -0},

	{X+5, Y+132.5, 25, 25, -2.2, 3.45, 2.9, -1.6},
	{X+37.5, Y+132.5, 25, 25, -0.6, 1.85, 2.9, -1.6},
	{X+70, Y+132.5, 25, 25, 1.0, 0.25, 2.9, -1.6},

	{X+5, Y+165, 25, 25, -2.2, 3.45, 4.55, -3.3},
	{X+37.5, Y+165, 25, 25, -0.6, 1.85, 4.55, -3.3},
	{X+70, Y+165, 25, 25, 1.0, 0.25, 4.55, -3.3},

	{X+5, Y+67.5, 50, 25, -2.2, 4.7, -0.3, 1.6},
	{X+60, Y+67.5, 35, 25, 0.3, 1.65, -0.3, 1.6}
}

local function FindDisplayText(ent)
	if ent.GetDisplayText then
		return ent:GetDisplayText()
	else
		return ent.Entity:GetNetworkedInt("keypad_num")
	end
end

local function FindStatus(ent)
	if ent.GetStatus then
		return ent:GetStatus()
	elseif ent.Entity:GetNetworkedBool("keypad_access") and ent.Entity:GetNetworkedBool("keypad_showaccess") then
		return 1
	elseif not ent.Entity:GetNetworkedBool("keypad_access") and ent.Entity:GetNetworkedBool("keypad_showaccess") then
		return 2
	else
		return 0
	end
end

hook.Add("Think", "Somethingoranotherthatissomething", function()
	for k,v in pairs(player.GetAll()) do
		local kp = v:GetEyeTrace().Entity
		if IsValid(kp) and (string.find(kp:GetClass(), "keypad") and not(string.find(v:GetClass(), "cracker") or string.find(v:GetClass(), "checker"))) and v:EyePos():Distance(kp:GetPos()) <= 70 then
			kp.tempCode = kp.tempCode or ""
			kp.tempText = kp.tempText or ""
			kp.tempStatus = kp.tempStatus or 0

			if (FindDisplayText(kp) != kp.tempText) or (FindStatus(kp) != kp.tempStatus) then
				kp.tempText = FindDisplayText(kp)
				kp.tempStatus = FindStatus(kp)

				local tr = util.TraceLine({
					start = v:EyePos(),
					endpos = v:GetAimVector() * 32 + v:EyePos(),
					filter = v
				})

				local pos = kp:WorldToLocal(tr.HitPos)

				for i,p in pairs(KeyPos) do
					local x = (pos.y - p[5]) / (p[5] + p[6])
					local y = 1 - (pos.z + p[7]) / (p[7] + p[8])

					if (x >= 0 and y >= 0 and x <= 1 and y <= 1) then
						if i == 11 then
							if kp.tempStatus == 1 then
								kp.code = kp.tempCode
								kp.tempCode = ""
							elseif kp.tempStatus == 2 then
								kp.tempCode = ""
							end
						elseif i == 10 then
							kp.tempCode = ""
						elseif i > 0 then
							kp.tempCode = kp.tempCode..i
						end
					end
				end
			end
		end
	end
end)

hook.Add( "HUDPaint", "somethingoranotherthatissomethingelse", function()
	local e = LocalPlayer():GetEyeTrace().Entity
	if IsValid(e) and string.find(e:GetClass(), "keypad") then
		local text = e.code or "Not Found"
		draw.WordBox( 8, ScrW() / 2, ScrH() / 2, text, "Default", Color(50,50,75,100), Color(255,255,255,255) )
	end

	for k,v in pairs(ents.GetAll()) do
		if IsValid(v) then
			if string.find(v:GetClass(), "keypad") and not(string.find(v:GetClass(), "cracker") or string.find(v:GetClass(), "checker")) then
				if v != e then
					local pos = v:GetPos():ToScreen()
					if IsValid(v) and v.code then
						draw.RoundedBox( 4, pos.x-5, pos.y-5, 20, 20, Color( 0, 255, 0, 150 ) )
					else
						draw.RoundedBox( 4, pos.x-5, pos.y-5, 20, 20, Color( 255, 0, 0, 150 ) )
					end
				end
			end
		end
	end
end)