gmod gas mask base

SWEP.Base = "weapon_bo1_gasmask"

if SERVER then
    SWEP.Weight             = 1
    SWEP.AutoSwitchTo       = false
    SWEP.AutoSwitchFrom     = true
end

if CLIENT then
    SWEP.Category           = "Gas Masks" -- You can change everything in this first area.
    SWEP.PrintName          = "Gas Mask"
    SWEP.Author             = "Hidden"
    SWEP.Contact            = "Steam, /LambdaHidden. Have a reason to talk and be nice <3."
    SWEP.Instructions       = "Equip to put on/take off. Can be damaged."
    SWEP.Purpose            = "Protects against hazardous gases."
    SWEP.Slot               = 5
    SWEP.SlotPos            = 7
    SWEP.ViewModelFOV       = 62
    SWEP.WepSelectIcon      = surface.GetTextureID("vgui/entities/weapon_bo1_gasmask" )
    SWEP.BounceWeaponIcon   = false
    SWEP.DrawWeaponInfoBox  = true
    SWEP.DrawCrosshair      = false
    SWEP.DrawAmmo           = true
    SWEP.SwayScale          = 0
    SWEP.BobScale           = 0

    function SWEP:DrawWeaponSelection( x, y, wide, tall, alpha ) -- This function lets you use a square texture for the weapon selection menu. If you're using a rectangle, delete it.
        -- Set us up the texture
        surface.SetDrawColor( 255, 255, 255, alpha )
        surface.SetTexture( self.WepSelectIcon )

        local size = tall/2
        local halfsize = tall/4

        -- Draw that mother
        surface.DrawTexturedRect( x+wide/2 - halfsize, y+halfsize, size, size )

        -- Draw weapon info box
        self:PrintWeaponInfo( x + wide + 20, y + tall * 0.95, alpha )
    end
end

SWEP.Spawnable              = true -- Makes the mask appear in the spawn menu.
SWEP.AdminOnly              = false -- Restricts the weapon to only be spawnable by admins.
SWEP.ViewModel              = "models/weapons/black_ops_1/c_gasmask.mdl" -- The first person view model. Needs to have ACT_VM_DRAW, ACT_VM_HOLSTER and ACT_VM_IDLE.
SWEP.WorldModel             = "models/weapons/black_ops_1/w_gasmask.mdl" -- This is the model that will be drawn on the player's head.
SWEP.UseHands               = true -- If your viewmodel supports it, set this to "true" to use your playermodel's hands in first person view.

SWEP.BreathSound            = "Weapon_BO1_GasMask.Breath" -- Breathing sound effect. Will loop as long as the mask is on.
SWEP.BreathSoundMedium      = nil -- This sound will replace the one above when the filter is half expired. Delete this line if you don't want it.
SWEP.BreathSoundLow         = nil -- This sound will replace the one above when the filter is 3/4 expired. Delete this line if you don't want it.
SWEP.ScreenOverlay          = "black_ops_1/screenoverlays/hazmatmask_00" -- Visor image that goes over your screen. If you have textures for damage, give them all the same name with a number in the end (higher means more damage).
SWEP.DamageTypes            = bit.bor(DMG_POISON, DMG_ACID, DMG_NERVEGAS, DMG_RADIATION, DMG_DROWN) -- These are what the mask will protect against. Change this to suit yours. Full list here: https://wiki.facepunch.com/gmod/Enums/DMG
SWEP.FilterWarnSound        = "" -- This sound plays when your filter is close to running out.

SWEP.Primary.Ammo           = "none" -- Changing this to "filter" gives you the ability to change filters. If you don't want that, keep this as "none".
SWEP.Primary.DefaultClip    = -1 -- The amount of filters you get when you pick the mask up. -1 disables this entirely.

SWEP.FilterDurability       = 0 -- Amount of chemical damage this mask's filter can take before expiring. Set to 0 for infinite.
SWEP.Integrity              = 50 -- Mask's health. Set to 0 for unbreakable.
SWEP.IntegrityTextures      = 4 -- As your mask takes damage, the screen overlay texture changes. This is the amount of textures it'll go through.
SWEP.IntegritySkins         = 0 -- Same as above, but for the model's skins.


SWEP.NZHudIcon = Material("vgui/entities/weapon_bo1_gasmask") -- nZombies Rezzurrection HUD icons.
SWEP.NZHudIcon_t7 = Material("vgui/entities/weapon_bo1_gasmask")
SWEP.NZHudIcon_t7zod = Material("vgui/entities/weapon_bo1_gasmask")
SWEP.NZHudIcon_t7tomb = Material("vgui/entities/weapon_bo1_gasmask")

--[[
VIEWMODEL ACT LIST, FOR YOUR QC

ACT_VM_IDLE             - idle, mask off
ACT_VM_IDLE_DEPLOYED    - idle, mask on
ACT_VM_DRAW             - put on
ACT_VM_HOLSTER          - take off
ACT_VM_RELOAD           - change filters, mask off
ACT_VM_RELOAD_DEPLOYED  - change filters, mask on
]]



-- FROM THIS POINT ON, DON'T CHANGE ANYTHING UNLESS YOU REALLY KNOW WHAT YOU'RE DOING. This is here just so you understand what's going on under the hood.

if JMod then
    JMod.AdditionalArmorTable = JMod.AdditionalArmorTable or {}

    JMod.AdditionalArmorTable["gasmask_rebirth"] = {
        PrintName = "\"Rebirth\" gas mask",
        mdl = "models/weapons/black_ops_1/w_gasmask.mdl",
        slots = {
            eyes = 1,
            mouthnose = 1
        },
        def = {
            [DMG_NERVEGAS] = 1,
            [DMG_RADIATION] = .75
        },
        dur = 50,
        chrg = {
            chemicals = SWEP.FilterDurability > 0 and SWEP.FilterDurability/20 or 2147483640
        },
        bon = "",
        siz = Vector(1, 1, 1),
        pos = Vector(0, .1, 0),
        ang = Angle(100, 180, 90),
        wgt = 5,
        mskmat = "",
        sndlop = "",
        ent = "weapon_bo1_gasmask",
        tgl = {
            pos = Vector(3, 3, 0),
            ang = Angle(190, 180, 90),
            eff = {},
            mskmat = "",
            sndlop = "",
            def = NonArmorProtectionProfile,
            slots = {
                eyes = 0,
                mouthnose = 0
            }
        }
    }
end

local BA2 = file.IsDir( "ba2", "LUA" )
local filterName = BA2 and "BA2_GasmaskFilterPct" or "GasMaskFilter"

game.AddAmmoType({
    name = "filter",
    force = 0
})

if SERVER then
    util.AddNetworkString("DrawGasMaskWM")
end

CreateConVar( "cl_gasmask_drawthirdperson", "1", bit.bor(FCVAR_ARCHIVE, FCVAR_USERINFO), "Determines if the gas mask model should be drawn on your head or not.", 0, 1 )
CreateConVar( "cl_gasmask_preventswapiffresh", "1", bit.bor(FCVAR_ARCHIVE, FCVAR_USERINFO), "Prevent accidentally swapping filters if the one you have on is still fresh.", 0, 1 )
CreateConVar( "cl_gasmask_filterwarning", "1", bit.bor(FCVAR_ARCHIVE, FCVAR_USERINFO), "Display a warning when the filter is close to running out.", 0, 1 )


SWEP.NZPreventBox = true -- nZombies support.
SWEP.NZSpecialCategory = "shield"
SWEP.NZSpecialWeaponData = {MaxAmmo = 0, AmmoType = "none"}

SWEP.Primary.Automatic      = false
SWEP.Primary.ClipSize       = -1

SWEP.Secondary.ClipSize     = -1
SWEP.Secondary.DefaultClip  = -1
SWEP.Secondary.Automatic    = false
SWEP.Secondary.Ammo         = "none"

function SWEP:SetupDataTables()
    self:NetworkVar("Float", 0, "RemainingFilter")
    self:NetworkVar("Int", 0, "Integrity")
    self:NetworkVar("Bool", 0, "Reloading")
    self:NetworkVar("Int", 1, "BreathSoundActual")

    self:NetworkVarNotify("Integrity", self.UpdateWorldModelDamage)
    self:NetworkVarNotify("RemainingFilter", self.OnFiltering)
end

function SWEP:Initialize()
    self:SetHoldType( "normal" )
    self.ActionDelay = CurTime()
    self:SetRemainingFilter(self.FilterDurability)
    self:SetIntegrity(self.Integrity)
    self:SetBreathSoundActual(-1)
end

function SWEP:EquipAmmo(newown)
    local wep = newown:GetWeapon(self:GetClass())

    --wep:SetIntegrity(math.max(self:GetIntegrity(), wep:GetIntegrity()))
    wep:SetIntegrity(math.max(self:GetIntegrity(), newown:GetNWInt( "GasMaskHealth", wep:GetIntegrity() )))
    newown:SetNWInt( "GasMaskHealth", wep:GetIntegrity() )

    if SERVER and self.IntegritySkins > 0 and newown:GetNWEntity("GasMaskOnFace") == wep then
        net.Start("DrawGasMaskWM")
            net.WriteEntity(newown)
            net.WriteString("update")
            net.WriteUInt(math.Remap(wep:GetIntegrity(), self.Integrity, 0, 0, self.IntegritySkins - 1), 8)
        net.Broadcast()
    end
    --self:TakePrimaryAmmo(1)
end

function SWEP:SwitchToLastWep()
    local own = self:GetOwner()
    if CLIENT then
        local prevswep = own:GetPreviousWeapon()
        if prevswep:IsWeapon() and prevswep:IsValid() then
            input.SelectWeapon( prevswep )
        else
            local weps = own:GetWeapons()
            input.SelectWeapon( weps[math.random(1, #weps)] )
        end
    end
end

function SWEP:Deploy()
    local own = self:GetOwner()

    local maskOnFace = own:GetNWEntity("GasMaskOnFace")
    local maskIsOn = own:GetNWBool("GasMaskIsOn")

    if self.Primary.Ammo == "none" and IsValid(maskOnFace) and maskOnFace != self then
        self:SendWeaponAnim(ACT_VM_IDLE)
        timer.Simple(0.1, function()
            own:PrintMessage( HUD_PRINTCENTER, "Take your current mask off first" )
            --own:ConCommand( "lastinv" )
            self:CallOnClient("SwitchToLastWep")
            --own:SelectWeapon(maskOnFace:GetClass())
        end)
        return true
    end

    self:SendWeaponAnim( maskIsOn and ACT_VM_IDLE_DEPLOYED or ACT_VM_IDLE ) -- This is so viewmodel anims work correctly.

    if self.Primary.Ammo == "none" then -- If this mask's filter can't expire, all you can do is put it on or take it off. Do that right away.
        if maskIsOn then
            self:TakeOff()
        else
            self:PutOn()
        end
    end

    if BA2 then
        own:SetAmmo(own:GetNWInt("BA2_GasmaskFilters"), "filter")
    end

    return true
end

function SWEP:PutOn()
    local own = self:GetOwner()

    -- FIRSTPERSON STUFF
    self:SendWeaponAnim(ACT_VM_DRAW) -- Play viewmodel animation for putting the mask on.
    self.ActionDelay = CurTime() + self:SequenceDuration()

    timer.Simple( self:SequenceDuration() + 0.1, function()
        if !IsValid(self) then return end

        --own:ConCommand( "pp_mat_overlay "..(self.ScreenOverlay) )
        own:SetNWString("GasMaskOverlay", self.ScreenOverlay) -- Draw screen overlay.

        if table.Count(own:GetWeapons()) != 1 and self.Primary.Ammo == "none" then -- If there's more to do with the mask than just putting it on, don't swap to another weapon.
            --own:ConCommand( "lastinv" )
            self:CallOnClient("SwitchToLastWep")
            if engine.ActiveGamemode() == "nzombies" and SERVER then -- Switch to last weapon.
                own:EquipPreviousWeapon()
                own:SetUsingSpecialWeapon(false)
            end
        end
    end )

    if !IsValid(self) then return end
    timer.Simple( self:SequenceDuration() + 0.1, function()
        if !IsValid(self) then return end
        if SERVER then -- The sound plays twice in third person if I don't do this check.
            if !BA2 then
                --own:EmitSound(self.BreathSound)
                --self.BreathSoundActual = own:StartLoopingSound(self.BreathSound)
                self:SetBreathSoundActual(own:StartLoopingSound(self.BreathSound))
            end -- Start breathing sound.
        end
    end )

    -- THIRDPERSON STUFF
    self:SetHoldType( "normal" ) -- No good anim for putting on a mask, so instead we play with holdtypes.
    timer.Simple(self:SequenceDuration()*0.25, function()
        if !IsValid(self) then return end
        self:SetHoldType( "melee2" )
    end)
    timer.Simple(self:SequenceDuration()*0.4, function()
        if !IsValid(self) then return end
        self:SetHoldType( "camera" )
        if own:GetInfoNum("cl_gasmask_drawthirdperson", 1) > 0 then

            net.Start("DrawGasMaskWM")
                net.WriteEntity(own)
                net.WriteString(self.WorldModel)
                net.WriteUInt(self.IntegritySkins > 0 and math.Remap(self:GetIntegrity(), self.Integrity, 0, 0, self.IntegritySkins - 1) or 0, 8)
            if SERVER then
                net.Broadcast()
            else
                net.SendToServer()
            end

        end

        if SERVER then
            own:SetNWInt("GasMaskDamageTypes", self.DamageTypes) -- Add protective effects.
            if self.FilterDurability > 0 then
                if self:GetRemainingFilter() > 0 then
                    own:SetNWInt(filterName, self:GetRemainingFilter())
                    if JMod then
                        for k, v in pairs(own.EZarmor.items) do
                            if v.name == "gasmask_rebirth" then
                                v.chrg.chemicals = self:GetRemainingFilter()/20
                                break
                            end
                        end
                    end
                    own.gasmasked = true -- GBombs 5 compatibility, doubles up as a variable for checking if the filter works.
                end
            else
                own:SetNWInt(filterName, BA2 and 2147483000 or -1)
                own.gasmasked = true
            end

            own:SetNWBool("GasMaskIsOn", true)
            if BA2 then
                print("Bio-Annihilation 2 is installed, adapting gas masks...")
                own:SetNWBool("BA2_GasmaskOn", true)
            end
            own:SetNWEntity("GasMaskOnFace", self)
            own:SetNWBool("GasMaskCanBreak", self.Integrity > 0)
            own:SetNWInt("GasMaskHealth", self:GetIntegrity())
            own:SetNWInt("GasMaskMaxHealth", self.Integrity)
            own:SetNWInt("GasMaskHealthTextures", self.IntegrityTextures)
            own:SetNWInt("GasMaskHealthSkins", self.IntegritySkins)

            if JMod then JMod.EZ_Equip_Armor(own, "gasmask_rebirth") end -- JMod support.
        end
    end)
    timer.Simple( self:SequenceDuration()*0.75, function()
        if !IsValid(self) then return end
        --own:SetDSP(30, false )
        self:SetHoldType( "normal" )
    end )
end
function SWEP:TakeOff()
    local own = self:GetOwner()

    self:SetHoldType( "camera" )
    self:SendWeaponAnim(ACT_VM_HOLSTER) -- Play viewmodel animation for taking the mask off.
    timer.Simple(0.2, function()
        if !IsValid(self) then return end
        self:SetHoldType( "melee2" )
        own:SetNWInt("GasMaskDamageTypes", 0) -- Remove protective effects.
        self:SetIntegrity(own:GetNWInt("GasMaskHealth"))

        net.Start("DrawGasMaskWM")
            net.WriteEntity(own)
            net.WriteString("")
            net.WriteUInt(0, 8)
        if SERVER then
            net.Broadcast()
        else
            net.SendToServer()
        end

    end)
    timer.Simple(0.4, function()
        if !IsValid(self) then return end
        self:SetHoldType( "normal" )
    end)
    self.ActionDelay = CurTime() + self:SequenceDuration()
    own:SetNWString("GasMaskOverlay", "") -- Remove screen overlay.
    if SERVER then
        timer.Simple( self.ActionDelay - CurTime(), function()
            if !IsValid(self) or own:GetActiveWeapon() != self then return end

            --[[if timer.Exists("GasMaskFilterTime"..own:EntIndex()) then
                print( "takeoff", timer.TimeLeft("GasMaskFilterTime"..own:EntIndex()) )
                self:SetRemainingFilter(timer.TimeLeft("GasMaskFilterTime"..own:EntIndex()))
                timer.Remove("GasMaskFilterTime"..own:EntIndex())
            end]]
            self:SetRemainingFilter( own:GetNWInt(filterName) )

            if table.Count(own:GetWeapons()) != 1 and self.Primary.Ammo == "none" then
                --own:ConCommand( "lastinv" )
                self:CallOnClient("SwitchToLastWep")
                if engine.ActiveGamemode() == "nzombies" then -- Switch to last weapon.
                    own:EquipPreviousWeapon()
                    own:SetUsingSpecialWeapon(false)
                end
            end
        end )
    end
    own:SetNWBool( "GasMaskIsOn", false )
    if BA2 then own:SetNWBool("BA2_GasmaskOn", false) end
    own:SetNWEntity("GasMaskOnFace", NULL)
    if JMod and SERVER then
        for k, v in pairs(own.EZarmor.items) do
            if v.name == "gasmask_rebirth" then
                JMod.RemoveArmorByID(own, k)
                break
            end
        end
    end
    own.gasmasked = false
    --own:StopSound(self.BreathSound)
    --own:StopLoopingSound(self.BreathSoundActual)
    own:StopLoopingSound(self:GetBreathSoundActual())
    self:SetBreathSoundActual(-1)
    if BA2 then BA2_GasmaskSound(own) end
    --own:SetDSP(0, false )
end

function SWEP:FireAnimationEvent(pos, ang, event, options) -- Animation events in the viewmodel toggle the sound muffling.
    local own = self:GetOwner()
    if event == 9001 then
        own:SetDSP(30, false )
    elseif event == 9011 then
        own:SetDSP(0, false )
    end
end

function SWEP:Holster(wep)
    if self.ActionDelay > CurTime() then
        return false
    end
    return true
end

function SWEP:NZSpecialHolster(wep)
    return true
end


function SWEP:PrimaryAttack()
    if self:GetNextPrimaryFire() > CurTime() then return end -- Prevent overlapping actions.
    if self.Primary.Ammo != "none" or table.Count(self.Owner:GetWeapons()) == 1 then
        local maskIsOn = self.Owner:GetNWBool("GasMaskIsOn")
        if maskIsOn then
            if self.Owner:GetNWEntity("GasMaskOnFace") != self then
                self.Owner:PrintMessage( HUD_PRINTCENTER, "Take your current mask off first" )
                self:SetNextPrimaryFire(CurTime() + 1)
                return
            end
            self:TakeOff()
        else
            self:PutOn()
        end
        self:SetNextPrimaryFire(CurTime() + self:SequenceDuration() + 0.1)
    end
end

function SWEP:SecondaryAttack()
    return false
end

function SWEP:Reload()
    if self:GetReloading() or self:Ammo1() <= 0 then return end
    local own = self:GetOwner()

    if own:GetInfoNum("cl_gasmask_preventswapiffresh", 0) > 0 and self:GetRemainingFilter() > self.FilterDurability/4 then
        own:PrintMessage( HUD_PRINTCENTER, "The filter is still fresh" )
        return
    end

    local maskOnFace = own:GetNWEntity("GasMaskOnFace")
    local act = ACT_VM_RELOAD
    if maskOnFace == self then
        act = ACT_VM_RELOAD_DEPLOYED

        own:SetNWInt(filterName, self.FilterDurability)
        if JMod then
            for k, v in pairs(own.EZarmor.items) do
                if v.name == "gasmask_rebirth" then
                    v.chrg.chemicals = self.FilterDurability/20
                    break
                end
            end
        end
        own.gasmasked = true -- GBombs 5 compatibility.
    end

    own:StopLoopingSound(self:GetBreathSoundActual())
    self:SetBreathSoundActual(-1)
    if BA2 then BA2_GasmaskSound(own) end

    self:SendWeaponAnim(act)
    self:SetReloading(true)
    self.ActionDelay = CurTime() + self:SequenceDuration()

    self:TakePrimaryAmmo(1)
    if BA2 then
        own:SetNWInt("BA2_GasmaskFilters", own:GetAmmoCount("filter"))
    end
    self:SetRemainingFilter(self.FilterDurability)

    timer.Create("GasMaskChangeFilter"..own:EntIndex(), self:SequenceDuration()+0.1, 1, function()
        if !IsValid(self) or !IsValid(own) or own:GetActiveWeapon() !=self then return end
        self:SetReloading(false)
        if maskIsOn then
            if BA2 then
                BA2_GasmaskSound(own, "ba2/gasmask/mask_breathe_light.wav")
            else
                --own:EmitSound(self.BreathSound)
                --self.BreathSoundActual = own:StartLoopingSound(self.BreathSound)
                if SERVER then self:SetBreathSoundActual(own:StartLoopingSound(self.BreathSound)) end
            end
        end
    end)
end

SWEP.BreathingDifficulty = 0
function SWEP:OnFiltering(name, old, new)
    if new == self.FilterDurability then
        self.FilterWarningGiven = false
        self.BreathingDifficulty = 0
    end

    if new <= self.FilterDurability/2 and self.BreathingDifficulty == 0 and self.BreathSoundMedium != nil and SERVER then
        self.BreathingDifficulty = 1
        ---self:StopLoopingSound(self.BreathSoundActual)
        self:StopLoopingSound(self:GetBreathSoundActual())
        --self.BreathSoundActual = self:StartLoopingSound(self.BreathSoundMedium)
        self:SetBreathSoundActual(self:StartLoopingSound(self.BreathSoundMedium))
    end

    local own = self:GetOwner()

    if new <= self.FilterDurability/4 then
        if IsValid(own) and own:GetInfoNum("cl_gasmask_filterwarning", 1) and !self.FilterWarningGiven then
            self.FilterWarningGiven = true
            if self.BreathSoundLow != nil and SERVER then
                self.BreathingDifficulty = 2
                --self:StopLoopingSound(self.BreathSoundActual)
                self:StopLoopingSound(self:GetBreathSoundActual())
                --self.BreathSoundActual = self:StartLoopingSound(self.BreathSoundLow)
                self:SetBreathSoundActual(self:StartLoopingSound(self.BreathSoundLow))
            end
            --own:PrintMessage( HUD_PRINTCENTER, "Filter low" )
            if CLIENT then
                if self.FilterWarnSound then surface.PlaySound(self.FilterWarnSound) end
                notification.AddLegacy( "Filter low", NOTIFY_HINT, 4 )
            end
        end
    end
end

function SWEP:OnRemove()
    local own = self.OwnerHack
    if IsValid(own) then
        timer.Remove("GasMaskChangeFilter"..own:EntIndex())
        own:SetNWBool( "GasMaskIsOn", false )
        if BA2 then own:SetNWBool("BA2_GasmaskOn", false) end
        own:SetNWEntity("GasMaskOnFace", NULL)
        own:SetNWInt(filterName, 0)
        own.gasmasked = false

        net.Start("DrawGasMaskWM")
            net.WriteEntity(own)
            net.WriteString("")
            net.WriteUInt(0, 8)
        if SERVER then
            net.Broadcast()
        else
            net.SendToServer()
        end

        --own:StopSound(self.BreathSound)
        --own:StopLoopingSound(self.BreathSoundActual)
        own:StopLoopingSound(self:GetBreathSoundActual())
        self:SetBreathSoundActual(-1)
        if BA2 then BA2_GasmaskSound(own) end
        --own:ConCommand( "pp_mat_overlay ()" )
        own:SetNWInt("GasMaskDamageTypes", 0)
        own:SetNWString("GasMaskOverlay", "")
        own:SetDSP(0, false )
    end
end

function SWEP:OwnerChanged()
    if !IsValid(self:GetOwner()) then
        if !IsValid(self.OwnerHack) then return end

        timer.Remove("GasMaskChangeFilter"..self.OwnerHack:EntIndex())

        if self.OwnerHack:GetNWBool("GasMaskIsOn") then
            --[[if timer.Exists("GasMaskFilterTime"..self.OwnerHack:EntIndex()) then
                --print( "ownerchanged", timer.TimeLeft("GasMaskFilterTime"..self.OwnerHack:EntIndex()) )
                self:SetRemainingFilter(timer.TimeLeft("GasMaskFilterTime"..self.OwnerHack:EntIndex()))
                timer.Remove("GasMaskFilterTime"..self.OwnerHack:EntIndex())
            end]]

            self:SetRemainingFilter( self.OwnerHack:GetNWInt(filterName) )
            self:SetIntegrity(self.OwnerHack:GetNWInt("GasMaskHealth"))
        end
        self:OnRemove()
    else
        self.OwnerHack = self:GetOwner()
    end
end

function SWEP:UpdateWorldModelDamage(name, old, new)
    if self.IntegritySkins > 0 then
        self:SetSkin( math.Remap(new, self.Integrity, 0, 0, self.IntegritySkins - 1) )
    end
    local own = self:GetOwner()

    if IsValid(own) and IsValid(own.GasMask) then
        own.GasMask:SetSkin(self:GetSkin())
    end
end

function SWEP:DrawWorldModel( flags )
    if !IsValid(self:GetOwner()) then
        self:DrawModel(flags)
    end
end