flowable_node_registry.lua


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-- registration code for nodes under new flow logic
-- written 2017 by thetaepsilon

pipeworks.flowables = {}
pipeworks.flowables.list = {}
pipeworks.flowables.list.all = {}
-- pipeworks.flowables.list.nodenames = {}

-- simple flowables - balance pressure in any direction
pipeworks.flowables.list.simple = {}
pipeworks.flowables.list.simple_nodenames = {}

-- simple intakes - try to absorb any adjacent water nodes
pipeworks.flowables.inputs = {}
pipeworks.flowables.inputs.list = {}
pipeworks.flowables.inputs.nodenames = {}

-- registration functions
pipeworks.flowables.register = {}
local register = pipeworks.flowables.register

-- some sanity checking for passed args, as this could potentially be made an external API eventually
local checkexists = function(nodename)
	if type(nodename) ~= "string" then error("pipeworks.flowables nodename must be a string!") end
	return pipeworks.flowables.list.all[nodename]
end

local insertbase = function(nodename)
	if checkexists(nodename) then error("pipeworks.flowables duplicate registration!") end
	pipeworks.flowables.list.all[nodename] = true
	-- table.insert(pipeworks.flowables.list.nodenames, nodename)
end

-- Register a node as a simple flowable.
-- Simple flowable nodes have no considerations for direction of flow;
-- A cluster of adjacent simple flowables will happily average out in any direction.
-- This does *not* register the ABM, as that is done in register_flow_logic.lua;
-- this is so that the new flow logic can remain optional during development.
register.simple = function(nodename)
	insertbase(nodename)
	pipeworks.flowables.list.simple[nodename] = true
	table.insert(pipeworks.flowables.list.simple_nodenames, nodename)
end

local checkbase = function(nodename)
	if not checkexists(nodename) then error("pipeworks.flowables node doesn't exist as a flowable!") end
end

-- Register a node as a simple intake.
-- See new_flow_logic for the details of this.
-- Expects node to be registered as a flowable (is present in flowables.list.all),
-- so that water can move out of it.
-- maxpressure is the maximum pipeline pressure that this node can drive.
-- possible WISHME here: technic-driven high-pressure pumps
register.intake_simple = function(nodename, maxpressure)
	checkbase(nodename)
	pipeworks.flowables.inputs.list[nodename] = { maxpressure=maxpressure }
	table.insert(pipeworks.flowables.inputs.nodenames, nodename)
end