if ( CLIENT ) then

	--
	-- Called by the client to save a dupe they're holding on the server
	-- into a file on their computer.
	--
	concommand.Add( "dupe_arm", function( ply, cmd, arg )

		if ( !arg[1] ) then return end

		-- Load the dupe (engine takes care of making sure it's a dupe)
		local dupe = engine.OpenDupe( arg[1] )
		if ( !dupe ) then
			MsgN( "Error loading dupe.. (", arg[1], ")" )
			return
		end

		if ( #dupe > 64000 && !game.SinglePlayer() ) then
			ply:ChatPrint( "That dupe is too large to spawn in multiplayer!" )
			return
		end

		local uncompressed = util.Decompress( dupe.data, 5242880 )
		if ( !uncompressed ) then
			MsgN( "Couldn't decompress dupe!" )
			return
		end

		--
		-- And send it to the server
		--
		net.Start( "ArmDupe" )
			net.WriteUInt( dupe.data:len(), 32 )
			net.WriteData( dupe.data, dupe.data:len() )
		net.SendToServer()

	end, nil, "Arm a dupe", { FCVAR_DONTRECORD } )

end

if ( SERVER ) then

	--
	-- Add the name of the net message to the string table (or it won't be able to send!)
	--
	util.AddNetworkString( "ArmDupe" )

	local LastDupeArm = 0
	net.Receive( "ArmDupe", function( len, client )
			if ( LastDupeArm > CurTime() ) then ServerLog( tostring( client ) ..  " tried to arm a dupe too quickly!\n" ) return end
			LastDupeArm = CurTime() + 1

			ServerLog( tostring( client ) ..  " is arming a dupe.\n" )

			local length = net.ReadUInt( 32 )
			local data = net.ReadData( length )

			if ( !IsValid( client ) ) then return end

			-- Hook.. can arm dupe..

			local uncompressed = util.Decompress( data, 5242880 )
			if ( !uncompressed ) then
				MsgN( "Couldn't decompress dupe!" )
				return
			end

			local Dupe = util.JSONToTable( uncompressed )
			if ( !istable( Dupe ) ) then return end
			if ( !istable( Dupe.Constraints ) ) then return end
			if ( !istable( Dupe.Entities ) ) then return end
			if ( !isvector( Dupe.Mins ) ) then return end
			if ( !isvector( Dupe.Maxs ) ) then return end

			client.CurrentDupeArmed = true
			client.CurrentDupe = Dupe

			client:ConCommand( "gmod_tool duplicator" )

			--
			-- Disable the Spawnmenu button
			--
			net.Start( "CopiedDupe" )
				net.WriteUInt( 0, 1 )
			net.Send( client )
	end )

end