117 lines
5.0 KiB
Lua
117 lines
5.0 KiB
Lua
-- flowable node registry: add entries and install ABMs if new flow logic is enabled
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-- written 2017 by thetaepsilon
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-- use for hooking up ABMs as nodes are registered
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local abmregister = pipeworks.flowlogic.abmregister
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-- registration functions
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pipeworks.flowables.register = {}
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local register = pipeworks.flowables.register
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-- some sanity checking for passed args, as this could potentially be made an external API eventually
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local checkexists = function(nodename)
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if type(nodename) ~= "string" then error("pipeworks.flowables nodename must be a string!") end
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return pipeworks.flowables.list.all[nodename]
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end
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local insertbase = function(nodename)
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if checkexists(nodename) then error("pipeworks.flowables duplicate registration!") end
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pipeworks.flowables.list.all[nodename] = true
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-- table.insert(pipeworks.flowables.list.nodenames, nodename)
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end
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local regwarning = function(kind, nodename)
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local tail = ""
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if not pipeworks.toggles.pressure_logic then tail = " but pressure logic not enabled" end
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--pipeworks.logger(kind.." flow logic registry requested for "..nodename..tail)
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end
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-- Register a node as a simple flowable.
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-- Simple flowable nodes have no considerations for direction of flow;
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-- A cluster of adjacent simple flowables will happily average out in any direction.
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register.simple = function(nodename)
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insertbase(nodename)
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pipeworks.flowables.list.simple[nodename] = true
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table.insert(pipeworks.flowables.list.simple_nodenames, nodename)
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if pipeworks.toggles.pressure_logic then
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abmregister.flowlogic(nodename)
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end
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regwarning("simple", nodename)
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end
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local checkbase = function(nodename)
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if not checkexists(nodename) then error("pipeworks.flowables node doesn't exist as a flowable!") end
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end
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local duplicateerr = function(kind, nodename) error(kind.." duplicate registration for "..nodename) end
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-- Registers a node as a fluid intake.
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-- intakefn is used to determine the water that can be taken in a node-specific way.
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-- Expects node to be registered as a flowable (is present in flowables.list.all),
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-- so that water can move out of it.
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-- maxpressure is the maximum pipeline pressure that this node can drive;
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-- if the input's node exceeds this the callback is not run.
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-- possible WISHME here: technic-driven high-pressure pumps
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register.intake = function(nodename, maxpressure, intakefn)
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-- check for duplicate registration of this node
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local list = pipeworks.flowables.inputs.list
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checkbase(nodename)
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if list[nodename] then duplicateerr("pipeworks.flowables.inputs", nodename) end
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list[nodename] = { maxpressure=maxpressure, intakefn=intakefn }
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regwarning("intake", nodename)
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end
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-- Register a node as a simple intake:
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-- tries to absorb water source nodes from it's surroundings.
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-- may exceed limit slightly due to needing to absorb whole nodes.
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register.intake_simple = function(nodename, maxpressure)
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register.intake(nodename, maxpressure, pipeworks.flowlogic.check_for_liquids_v2)
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end
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-- Register a node as an output.
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-- Expects node to already be a flowable.
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-- upper and lower thresholds have different meanings depending on whether finite liquid mode is in effect.
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-- if not (the default unless auto-detected),
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-- nodes above their upper threshold have their outputfn invoked (and pressure deducted),
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-- nodes between upper and lower are left idle,
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-- and nodes below lower have their cleanup fn invoked (to say remove water sources).
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-- the upper and lower difference acts as a hysteresis to try and avoid "gaps" in the flow.
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-- if finite mode is on, upper is ignored and lower is used to determine whether to run outputfn;
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-- cleanupfn is ignored in this mode as finite mode assumes something causes water to move itself.
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register.output = function(nodename, upper, lower, outputfn)
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if pipeworks.flowables.outputs.list[nodename] then
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error("pipeworks.flowables.outputs duplicate registration!")
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end
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checkbase(nodename)
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pipeworks.flowables.outputs.list[nodename] = { upper=upper, lower=lower, outputfn=outputfn }
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-- output ABM now part of main flow logic ABM to preserve ordering.
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-- note that because outputs have to be a flowable first
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-- (and the installation of the flow logic ABM is conditional),
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-- registered output nodes for new_flow_logic is also still conditional on the enable flag.
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regwarning("output node", nodename)
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end
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-- register a simple output:
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-- drains pressure by attempting to place water in nearby nodes,
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-- which can be set by passing a list of offset vectors.
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-- will attempt to drain as many whole nodes as there are positions in the offset list.
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-- for meanings of upper and lower, see register.output() above.
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-- non-finite mode:
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-- above upper pressure: places water sources as appropriate, keeps draining pressure.
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-- below lower presssure: removes it's neighbour water sources.
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-- finite mode:
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-- same as for above pressure in non-finite mode,
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-- but only drains pressure when water source nodes are actually placed.
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register.output_simple = function(nodename, upper, lower, neighbours)
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local outputfn = pipeworks.flowlogic.helpers.make_neighbour_output_fixed(neighbours)
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register.output(nodename, upper, lower, outputfn)
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end
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