AddCSLuaFile()

SWEP.Base						= "weapon_base"
SWEP.BennyItemHandler			= true

SWEP.ViewModel					= "models/weapons/c_pistol.mdl"
SWEP.ViewModelFOV				= 74
SWEP.ViewModelFlip				= false
SWEP.UseHands					= true
SWEP.WorldModel					= "models/weapons/w_pistol.mdl"
SWEP.DrawWorldModel				= true


SWEP.Primary.ClipSize			= -1
SWEP.Primary.DefaultClip		= 0
SWEP.Primary.Ammo				= "none"
SWEP.Primary.Automatic			= true

SWEP.Secondary.ClipSize			= -1
SWEP.Secondary.DefaultClip		= 0
SWEP.Secondary.Ammo				= "none"
SWEP.Secondary.Automatic		= true

function SWEP:SetupDataTables()
	self:NetworkVar( "Entity", "ActiveR" )
	self:NetworkVar( "Entity", "ActiveL" )
	self:NetworkVar( "Entity", "DesireR" )
	self:NetworkVar( "Entity", "DesireL" )
end

function SWEP:ItemR( run )
	local active = self:GetActiveR()
	if run and active:IsValid() then
		return active.Class[run]( active.Class, active, self )
	else
		return active:IsValid() and active or false
	end
end

function SWEP:ItemL( run )
	local active = self:GetActiveL()
	if run and active:IsValid() then
		active.Class[run]( active.Class, active, self )
	else
		return active:IsValid() and active or false
	end
end

function SWEP:Initialize()
end

local size = 8/2
local tracedef = {
	mins = Vector( -size, -size, -size ),
	maxs = Vector( size, size, size ),
}
function SWEP:ItemCheckTrace()
	local p = self:GetOwner()
	p:LagCompensation( true )
		tracedef.filter = p
		tracedef.start = p:EyePos()
		tracedef.endpos = p:EyePos() + (p:GetAimVector() * 90)
		local trace = util.TraceHull(tracedef)
		--print(trace.StartPos:Distance(trace.HitPos))
	p:LagCompensation( false )
	return trace
end

function SWEP:SetActive( ent )
	local p = self:GetOwner()
	if ent:GetOwner() != p then return false end
	--if self:GetActiveR():IsValid() then self:Deactive() end
	self:SetActiveR( ent )
	if self:ItemR() then
		self:ItemR( "Deploy" )
		self:ItemR():SetNoDraw( false )
	end
	return true
end

function SWEP:Deactive()
end

function SWEP:PrimaryAttack()
	local p = self:GetOwner()
	if self:ItemR() then
		self:ItemR("Attack")
	end
end

function SWEP:Reload()
	if self:ItemR() then
		self:ItemR("Reload")
	end
end

function SWEP:SecondaryAttack()
	local p = self:GetOwner()
	if self:ItemR() then
		self:ItemR("AttackAlt")
	end
end

if SERVER then
	util.AddNetworkString("AEINV_PredictItem")
else
	net.Receive("AEINV_PredictItem", function()
		local ent = net.ReadEntity()
		if ent:IsValid() then
			ent:SetPredictable( net.ReadBool() )
			print("[prediction] cl prediction start:", ent)
		else
			print("[prediction] cl tried to predict invalid ent")
		end
	end)
end

function SWEP:EquipItem( ent )
	local p = self:GetOwner()
	if CLIENT then print("FUCK OFF") debug.Trace() return end
	if IsValid(ent) and ent.BennyItem then
		if ent:GetOwner() != NULL then
			print( "[equip]", ent, "belongs to", ent:GetOwner(), "not equipping" )
			return
		elseif p:GetInventory()[ent] then
			print( "[equip]", ent, "already belongs to", p )
			return
		end
		print("[equip]", ent)

		self:SetDesireR( ent )

		ent:AddEFlags( EFL_KEEP_ON_RECREATE_ENTITIES )
		ent:AddEffects( EF_BONEMERGE )
		ent:PhysicsInit( SOLID_NONE )
		ent:SetMoveType( MOVETYPE_NONE )
		ent:SetNoDraw( true )
		ent:SetParent( p )
		ent:SetOwner( p )
		ent:SetLocalPos( vector_origin )
		ent:SetLocalAngles( angle_zero )
		ent:SetAcquisition( CurTime() )

		ent:EmitSound( "ae/items/pickup.ogg", 70, 100, 1, CHAN_STATIC )

		--self:SetActive( ent )
		local inv = p:GetInventory()
		inv[ent] = true
		inv:Sync()

		net.Start("AEINV_PredictItem")
			net.WriteEntity( ent )
			net.WriteBool( true )
		net.Send( p )
	end
end

function SWEP:DropItem()
	local p = self:GetOwner()
	local ent = self:GetActiveR()
	if ent:IsValid() then
		if CLIENT then print("[drop] DropItem called on cl not allowed") return end

		self:SetDesireR( NULL )
		
		ent:SetParent( NULL )
		ent:SetOwner( NULL )

		ent:RemoveEFlags( EFL_KEEP_ON_RECREATE_ENTITIES )
		ent:RemoveEffects( EF_BONEMERGE )
		ent:PhysicsInit( SOLID_VPHYSICS )
		ent:SetMoveType( MOVETYPE_VPHYSICS )
		ent:SetCollisionGroup( COLLISION_GROUP_PROJECTILE )
		ent:SetNoDraw( false )

		ent:SetPos( p:EyePos() + p:GetAimVector() * 0 )
		ent:SetAngles( p:EyeAngles() + Angle( 0, 180, 0 ) )


		local inv = p:GetInventory()
		inv[ent] = nil
		inv:Sync()
		
		local ep = ent:GetPhysicsObject()
		ep:SetVelocity( p:GetAimVector() * 800 )
		ep:SetAngleVelocity( Vector( 0, -360*3, 0 ) )
		ep:Wake()
		--net.Start("AEINV_PredictItem")
		--	net.WriteEntity( ent )
		--	net.WriteBool( false )
		--net.Send( p )
	end
end

function SWEP:Think()
	local p = self:GetOwner()

	if p:IsValid() then
		local DesireR = self:GetDesireR()
		local ActiveR = self:GetActiveR()
		local DesireR_Valid = DesireR:IsValid()
		local ActiveR_Valid = ActiveR:IsValid()

		if DesireR != ActiveR then
			if ActiveR_Valid then
				if ActiveR:GetHolsterIn() == 0 then
					ActiveR.Class.Holster( ActiveR.Class, ActiveR, self )
				else
					-- Waiting for holster to finish
				end
			else
				if DesireR_Valid then
					self:SetActive( DesireR )
				end
			end
		else
			if ActiveR_Valid and ActiveR:GetHolsterIn() != 0 then
				ActiveR.Class.UndoHolster( ActiveR.Class, ActiveR, self )
			end
		end

		if p:KeyPressed(IN_WEAPON1) then
			if self:GetDesireR() == NULL then
				if SERVER then
					local trace = self:ItemCheckTrace()
					self:EquipItem( trace.Entity )
				end
			else
				if self:GetActiveR() != NULL then
					ActiveR.Class.Drop( ActiveR.Class, ActiveR, self )
					if SERVER then
						self:DropItem()
					end
					self:SetActiveR( NULL )
				end
			end
		end
		if p:KeyPressed(IN_WEAPON2) then
		end
		if p:KeyPressed(IN_ALT1) then
		end
		if p:KeyPressed(IN_ALT2) then
		end
		if p:KeyPressed(IN_GRENADE1) then
			if self:ItemR() and self:ItemR().Class.Alt then
				self:ItemR("Alt")
			end
		end
		if p:KeyPressed(IN_GRENADE2) then

		end
		if self:ItemR() then
			self:ItemR("Think")
		end
	else
		print( self, "Thinking without an owner." )
	end
end

function SWEP:Deploy()
end

function SWEP:Holster( ent )
	return false
end