function SWEP:Deploy()

    if SERVER then
        self.Owner:DrawViewModel(false)
    end

    if CLIENT then
        if game.SinglePlayer() then
            chat.AddText(Color(255,255,255), ply, "총 안보이는게 정상입니다.")
            chat.AddText(Color(255,0,0), ply, "싱글 플레이 상태입니다. 광고가 보이지 않습니다.")
        else
            chat.AddText(Color(255,255,255), ply, "총 안보이는게 정상입니다.")
        end
    end

end

if CLIENT then

    local speed = 1 -- speed multiplier
    local pow = 2 -- This will make the sine curve shaper if you think it'S too smooth. Normal is 1

    local tex_cafe = surface.GetTextureID("ending/cafebene")
    local tex_ivy  = surface.GetTextureID("ending/ivyclub")
    local tex_afreeca = surface.GetTextureID("ending/afreecatv")
    local tex_afreeca2 = surface.GetTextureID("ending/afreecatv2")

    local function draw_texture(tex)
        surface.SetTexture(tex)
        surface.SetDrawColor (255, 255, 255, 255)
        surface.DrawTexturedRect(W /2 - 70, H -166, 256, 85)
    end


    -- time starts from 0 counts up.
    function SWEP:DoEffects(time)

        time = time * speed

        local F = math.sin(time) ^ pow
        local W, H = ScrW(), ScrH()

        surface.SetFont("ProduceSupport")
        surface.SetTextPos(W /2 - 190, H -140)
        surface.SetTextColor(255, 255, 255, 255)
        surface.DrawText("제작지원")

        -- I don't know if this order is correct..

        if time < 0.25 then
            draw_texture(tex_cafe)
        elseif time < 0.5 then
            draw_texture(tex_ivy)
        elseif time < 0.75 then
            draw_texture(tex_afreeca)
        elseif time < 0.8 then
            draw_texture(tex_afreeca2)
        end

        local params = {}

            params["$pp_colour_addr"] = 0
            params["$pp_colour_addg"] = 0
            params["$pp_colour_addb"] = 0
            params["$pp_colour_brightness"] = F
            params["$pp_colour_contrast"] = 1
            params["$pp_colour_colour"] = F
            params["$pp_colour_mulr"] = 0
            params["$pp_colour_mulg"] = 0
            params["$pp_colour_mulb"] = 0

        DrawColorModify(params)

        -- add alpha, draw alpha, delay
        DrawMotionBlur(0.8, 0.95, 0)

        DrawBloom(
            0, -- darken
            1, -- multiply
            2, -- sizex
            2, -- sizey
            3, -- passes

            1, -- red multiplier
            1, -- green multiplier
            1 -- blue multiplier

        )

        if F < 0 then
            return false
        end
    end
end

if SERVER then
    function SWEP:DoEffects(time)

        -- setting it lower than 0.25 might cause the game  to run into issues
        game.SetTimeScale(math.Clamp(time, 0.25, 1))
    end
end

function SWEP:PrimaryAttack()

    if not self:CanPrimaryAttack() then return end

    local owner = self.Owner

    local bullet = {}
        bullet.Num = self.Primary.NumberofShots -- is this correct? (lower case "of")
        bullet.Src = owner:GetShootPos()
        bullet.Dir = owner:GetAimVector()
        bullet.Spread = Vector(1, 1, 0) * self.Primary.Spread * 0.1
        bullet.Tracer = 0
        bullet.Force = self.Primary.Force
        bullet.Damage = self.Primary.Damage
        bullet.AmmoType = self.Primary.Ammo

    local recoil = self.Primary.Recoil

    owner:FireBullets(bullet)
    owner:ViewPunch(Angle(recoil * -1, recoil * math.Rand(-1, 1), recoil * -1))
    self:TakePrimaryAmmo(self.Primary.TakeAmmo)

    self:ShootEffects()
    self:EmitSound(self.Primary.Sound)

    if not self.pp_start then
        self.pp_start = UnPredictedCurTime()

        local event = CLIENT and "RenderScreenspaceEffects" or "Think"

        hook.Add(name, tostring(self), function()
            if
                not self:IsValid() or
                not self:GetOwner():IsValid() or
                self:GetOwner():GetActiveWeapon() ~= self or
                self:DoEffects(UnPredictedCurTime() - self.pp_start) ~= false
            then
                hook.Remove(name, tostring(self))
            end
        end)
    end

    self:SetNextPrimaryFire(CurTime() + self.Primary.Delay)
end