Lifesteal gun

---- Example TTT custom weapon

-- First some standard GMod stuff
if SERVER then
   AddCSLuaFile( "shared.lua" )
end

if CLIENT then
   SWEP.PrintName = "Life stealer"
   SWEP.Slot      = 6 -- add 1 to get the slot number key

   SWEP.ViewModelFOV  = 72
   SWEP.ViewModelFlip = true
end

-- Always derive from weapon_tttbase.
SWEP.Base				= "weapon_tttbase"

--- Standard GMod values

SWEP.HoldType			= "pistol"

SWEP.Primary.Delay       = 0.4
SWEP.Primary.Recoil      = 1
SWEP.Primary.Automatic   = false
SWEP.Primary.Damage      = 15
SWEP.Primary.Cone        = 0.01
SWEP.Primary.Ammo        = "pistol"
SWEP.Primary.ClipSize    = 5
SWEP.Primary.ClipMax     = 20
SWEP.Primary.DefaultClip = 25
SWEP.sound = "weapon_pistol.Single"
--- TTT config values

-- Kind specifies the category this weapon is in. Players can only carry one of
-- each. Can be: WEAPON_... MELEE, PISTOL, HEAVY, NADE, CARRY, EQUIP1, EQUIP2 or ROLE.
-- Matching SWEP.Slot values: 0      1       2     3      4      6       7        8
SWEP.Kind = WEAPON_EQUIP1

-- If AutoSpawnable is true and SWEP.Kind is not WEAPON_EQUIP1/2, then this gun can
-- be spawned as a random weapon. Of course this AK is special equipment so it won't,
-- but for the sake of example this is explicitly set to false anyway.
SWEP.AutoSpawnable = false

-- The AmmoEnt is the ammo entity that can be picked up when carrying this gun.
SWEP.AmmoEnt = "none"

-- CanBuy is a table of ROLE_* entries like ROLE_TRAITOR and ROLE_DETECTIVE. If
-- a role is in this table, those players can buy this.
SWEP.CanBuy = { ROLE_TRAITOR }

-- InLoadoutFor is a table of ROLE_* entries that specifies which roles should
-- receive this weapon as soon as the round starts. In this case, none.
SWEP.InLoadoutFor = nil

-- If LimitedStock is true, you can only buy one per round.
SWEP.LimitedStock = true

-- If AllowDrop is false, players can't manually drop the gun with Q
SWEP.AllowDrop = true

-- If IsSilent is true, victims will not scream upon death.
SWEP.IsSilent = false

-- If NoSights is true, the weapon won't have ironsights
SWEP.NoSights = true

-- Equipment menu information is only needed on the client
if CLIENT then
   -- Text shown in the equip menu
   SWEP.EquipMenuData = {
      type = "Weapon",
      desc = "Shoot a bullet to inflict 15hp on target and regain 10hp to self"
   };
end

function SWEP:PrimaryAttack()
	if ( !self:CanPrimaryAttack() ) then return end

	local bullet = {}
	bullet.Num 		= 1
	bullet.Src 		= self.Owner:GetShootPos()	// Source
	bullet.Dir 		= self.Owner:GetAimVector()	// Dir of bullet
	bullet.Spread 	= Vector( self.Primary.Cone, self.Primary.Cone, 0 )		// Aim Cone
	bullet.Tracer	= 0	// Show a tracer on every x bullets
    bullet.TracerName = tracer // what Tracer Effect should be used
	bullet.Force	= 1	// Amount of force to give to phys objects
	bullet.Damage	= self.Primary.Damage
	bullet.AmmoType = "Pistol"

	self.Owner:FireBullets( bullet )

	local trace = util.GetPlayerTrace( self.Owner )
	local traceRes = util.TraceLine( trace )
	self:EmitSound( self.sound )

	if ( traceRes.HitNonWorld ) then
		if traceRes.Entity:IsPlayer() then
			if self.Owner:Health()+10 < 100 then
				self.Owner:SetHealth( self.Owner:Health() + 10 )
			else
				self.Owner:SetHealth( 100 )
			end
		end
	end

	self:TakePrimaryAmmo(1)
	self:SetNextPrimaryFire( CurTime() + self.Primary.Delay )
	self:SetNextSecondaryFire( CurTime() + self.Primary.Delay )
end