TTT jump canon modified (to behave mostly the same way it did on questionable ethics TTT)

shared.lua

-- Original addon
-- https://steamcommunity.com/sharedfiles/filedetails/?id=267785752

AddCSLuaFile("shared.lua")

SWEP.Author = "Delta7x"
SWEP.Instructions = "Shoot in the opposite direction of where you would like to be propelled."

SWEP.HoldType = "physgun"

if CLIENT then
    SWEP.PrintName = "Jump Gun"
    SWEP.Slot      = 8

    SWEP.Icon = "vgui/ttt/icon_launch"

    SWEP.ViewModelFOV = 72

    SWEP.EquipMenuData = {
        type = "item_weapon",
        desc = "Shoot to go the opposite direction (ie; Shoot down to go up)."
    };
end


SWEP.Base = "weapon_tttbase"

SWEP.Kind = WEAPON_EQUIP
SWEP.WeaponID = AMMO_STUN
SWEP.CanBuy = {ROLE_DETECTIVE, ROLE_TRAITOR}
SWEP.LimitedStock = true

SWEP.Primary.Damage     = 0.25
SWEP.Primary.Delay      = 0.05
SWEP.Primary.Cone       = 0
SWEP.Primary.Automatic  = true
SWEP.Primary.Recoil     = 0
SWEP.Primary.Knockback  = 100

SWEP.Primary.ClipSize       = 100
SWEP.Primary.ClipMax        = 100
SWEP.Primary.DefaultClip    = 100
SWEP.Primary.InfiniteClip   = false
SWEP.Primary.Ammo           = nil

SWEP.AutoSpawnable      = false
SWEP.UseHands           = true
SWEP.ViewModelFlip      = false
SWEP.ViewModelFOV       = 54
SWEP.ViewModel  = "models/weapons/c_superphyscannon.mdl"
SWEP.WorldModel = "models/weapons/w_physics.mdl"

SWEP.NoSights = true


--SWEP.DeploySpeed = 3

function SWEP:PrimaryAttack(worldsnd)
    if self.Primary.InfiniteClip == false and not self:CanPrimaryAttack() then return end

    self:SetNextPrimaryFire( CurTime() + self.Primary.Delay )
    self.Owner:SetVelocity(self.Owner:GetForward() * -(self.Primary.Knockback) )


    self:ShootBullet( self.Primary.Damage, self.Primary.Recoil, self.Primary.NumShots, self:GetPrimaryCone() )

    self:TakePrimaryAmmo( 1 )

    local owner = self.Owner
    if not IsValid(owner) or owner:IsNPC() or (not owner.ViewPunch) then return end
    owner:ViewPunch( Angle( math.Rand(-0.2,-0.1) * self.Primary.Recoil, math.Rand(-0.1,0.1) *self.Primary.Recoil, 0 ) )

    local bullet = {
        Attacker        = self.Owner,
        Num             = 1,
        Src             = self.Owner:GetShootPos(),
        Dir             = self.Owner:GetAimVector(),
        Spread          = 0.1 * 0.1 , 0.1 * 0.1, 0,
        Tracer          = 1,
        TracerName      = "AirboatGunHeavyTracer",
        Force           = self.Primary.NumShots,
        Damage          = self.Primary.Damage
    }
   
    bullet.Callback = function(attacker, trace, dmginfo)
        dmginfo:SetDamageType(DMG_AIRBOAT)
    end

    self.Weapon:FireBullets(bullet)
end

function SWEP:Reload()
    if (self:Clip1() == self.Primary.ClipSize) then
        return
    end
    self:SetIronsights(false)
    self:SetClip1(self.Primary.ClipSize)
end