local drawInfo = CreateClientConVar("at_info", "0", true, false)
local drawWallhack = CreateClientConVar("at_wallhack", "0", true, false)
local propShow = CreateClientConVar("at_props", "0", true, false)
local propClass = CreateClientConVar("at_props_class", "prop_physics", true, false)
local propDist = CreateClientConVar("at_props_dist", "1024", true, false)
local lp = LocalPlayer()
local er = {}

hook.Add("PostDrawOpaqueRenderables", "Tools", function ()
    local tr = lp:GetEyeTrace()

    if not tr.Hit or tr.HitWorld then return end

    local e = tr.Entity

    if drawInfo:GetBool() then
        if drawInfo:GetInt() == 1 then
            local ang = tr.HitNormal:Angle()
            ang:RotateAroundAxis(ang:Forward(), 90)
            ang:RotateAroundAxis(ang:Right(), -90)

            cam.Start3D2D(tr.HitPos + tr.HitNormal*10, ang, 0.2)
                surface.SetDrawColor(0, 0, 0, 220)
                surface.SetFont("ChatFont")
                local size = surface.GetTextSize(e:GetModel())
                size = size + 40
                surface.DrawRect(-size/2, -40, size, 80)
                draw.SimpleText(e:GetClass(), "ChatFont", 0, -30, Color(255,255,255,255), TEXT_ALIGN_CENTER, TEXT_ALIGN_TOP)
                draw.SimpleText(e:GetModel(), "ChatFont", 0, 0, Color(255,255,255,255), TEXT_ALIGN_CENTER, TEXT_ALIGN_TOP)
            cam.End3D2D()
        elseif drawInfo:GetInt() == 2 then
            local ang = lp:EyeAngles()
            ang:RotateAroundAxis(ang:Forward(), 90)
            ang:RotateAroundAxis(ang:Right(), 90)

            cam.Start3D2D(e:GetPos() + Vector(0, 0, e:BoundingRadius() + 10), ang, 0.2)
                surface.SetDrawColor(0, 0, 0, 220)
                surface.SetFont("ChatFont")
                local size = surface.GetTextSize(e:GetModel())
                size = size + 40
                surface.DrawRect(-size/2, -40, size, 80)
                draw.SimpleText(e:GetClass(), "ChatFont", 0, -30, Color(255,255,255,255), TEXT_ALIGN_CENTER, TEXT_ALIGN_TOP)
                draw.SimpleText(e:GetModel(), "ChatFont", 0, 0, Color(255,255,255,255), TEXT_ALIGN_CENTER, TEXT_ALIGN_TOP)
            cam.End3D2D()
        end

    end
end)

hook.Add("HUDPaint", "Tools", function ()
    local tr = lp:GetEyeTrace()

    if drawInfo:GetBool() then
        local s = tr.HitPos:ToScreen()
        local n = (tr.HitPos+tr.HitNormal*20):ToScreen()
        local x = (tr.HitPos+Vector(20, 0, 0)):ToScreen()
        local y = (tr.HitPos+Vector(0, 20, 0)):ToScreen()
        local z = (tr.HitPos+Vector(0, 0, 20)):ToScreen()
        surface.SetDrawColor(255, 255, 255, 255)
        surface.SetTexture(surface.GetTextureID("gui/silkicons/check_off"))
        surface.DrawTexturedRect(s.x-8, s.y-8, 16, 16)
        draw.SimpleText(math.Round(tr.HitPos.x) ..", "..math.Round(tr.HitPos.y) ..", "..math.Round(tr.HitPos.z), "ChatFont", s.x, s.y+20, Color(255,255,255,255), TEXT_ALIGN_CENTER, TEXT_ALIGN_TOP)
        surface.SetDrawColor(255, 255, 255, 255)
        surface.DrawLine(s.x, s.y, n.x, n.y)
        surface.SetDrawColor(255, 0, 0, 255)
        surface.DrawLine(s.x, s.y, x.x, x.y)
        surface.SetDrawColor(0, 255, 0, 255)
        surface.DrawLine(s.x, s.y, y.x, y.y)
        surface.SetDrawColor(0, 0, 255, 255)
        surface.DrawLine(s.x, s.y, z.x, z.y)
    end

    if drawWallhack:GetBool() then
        for k,v in pairs(player.GetAll()) do
            if v ~= lp then
                local p = v:GetShootPos()
                local s = p:ToScreen()

                local w,h = surface.GetTextSize(v:GetName())
                w = w + 40
                h = h + 8
                surface.SetDrawColor(0, 0, 0, 240)
                surface.DrawRect(s.x+(-w/2), s.y-2, w, h)
                surface.SetDrawColor(255, 255, 255, 255)
                surface.SetTexture(surface.GetTextureID("gui/silkicons/"..(v:IsAdmin() and "shield" or "user")))
                surface.DrawTexturedRect(s.x-(w/2)+8, s.y+4, 16, 16)
                draw.SimpleText(v:GetName(), "ChatFont", s.x+8, s.y, Color(255,255,255,255), TEXT_ALIGN_CENTER, TEXT_ALIGN_TOP)
                local health = math.Clamp(v:Health() / 100, 0, 1)
                health = w * health
                surface.SetDrawColor(200, 0, 0, 255)
                surface.DrawRect(s.x+(-w/2), s.y-2+h, health, 2)
            end
        end
    end

    if propShow:GetInt() > 0 then
        if math.floor(CurTime()*10) % 20 == 1 then
            er = ents.FindByClass(propClass:GetString())
        end

        for k,v in pairs(er) do
            if v and v:IsValid() then
                local p = v:GetPos()
                local dist = p:Distance(lp:GetShootPos())
                if dist < propDist:GetInt() then
                    local s = p:ToScreen()

                    surface.SetDrawColor(0, 0, 0, 240)
                    surface.DrawRect(s.x-10, s.y-10, 20, 20)
                    surface.SetDrawColor(255, 255, 255, 255)
                    surface.SetTexture(surface.GetTextureID("gui/silkicons/check_off"))
                    surface.DrawTexturedRect(s.x-7, s.y-8, 16, 16)
                end
            end
        end
    end
end)