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new flow logic: flowable_node_registry_install.lua: separate pressure threshold into upper and lower hysteresis values

This commit is contained in:
thetaepsilon-gamedev 2017-10-07 13:05:52 +01:00
parent 465e28cbd3
commit 4f58a3039c
2 changed files with 21 additions and 11 deletions
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14
devices.lua
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@ -376,10 +376,11 @@ minetest.register_node(nodename_spigot_loaded, {
-- register both so existing flowing spigots continue to work (even if the visual doesn't match the spigot's behaviour).
new_flow_logic_register.simple(nodename_spigot_empty)
new_flow_logic_register.simple(nodename_spigot_loaded)
local spigot_min = 1
local spigot_upper = 1.5
local spigot_lower = 1.0
local spigot_neighbours={{x=0, y=-1, z=0}}
new_flow_logic_register.output_simple(nodename_spigot_empty, spigot_min, spigot_neighbours)
new_flow_logic_register.output_simple(nodename_spigot_loaded, spigot_min, spigot_neighbours)
new_flow_logic_register.output_simple(nodename_spigot_empty, spigot_upper, spigot_lower, spigot_neighbours)
new_flow_logic_register.output_simple(nodename_spigot_loaded, spigot_upper, spigot_lower, spigot_neighbours)
@ -669,10 +670,11 @@ minetest.register_node(nodename_fountain_loaded, {
})
new_flow_logic_register.simple(nodename_fountain_empty)
new_flow_logic_register.simple(nodename_fountain_loaded)
local fountain_min = 1
local fountain_upper = 1.5
local fountain_lower = 1.0
local fountain_neighbours={{x=0, y=1, z=0}}
new_flow_logic_register.output_simple(nodename_fountain_empty, fountain_min, fountain_neighbours)
new_flow_logic_register.output_simple(nodename_fountain_loaded, fountain_min, fountain_neighbours)
new_flow_logic_register.output_simple(nodename_fountain_empty, fountain_upper, fountain_lower, fountain_neighbours)
new_flow_logic_register.output_simple(nodename_fountain_loaded, fountain_upper, fountain_lower, fountain_neighbours)

18
new_flow_logic/flowable_node_registry_install.lua
View File

@ -62,12 +62,19 @@ end
-- Register a node as an output.
-- Expects node to already be a flowable.
-- threshold and outputfn are currently as documented for register_abm_output() in abm_register.lua.
register.output = function(nodename, threshold, outputfn)
-- upper and lower thresholds have different meanings depending on whether finite liquid mode is in effect.
-- if not (the default unless auto-detected),
-- nodes above their upper threshold have their outputfn invoked (and pressure deducted),
-- nodes between upper and lower are left idle,
-- and nodes below lower have their cleanup fn invoked (to say remove water sources).
-- the upper and lower difference acts as a hysteresis to try and avoid "gaps" in the flow.
-- if finite mode is on, upper is ignored and lower is used to determine whether to run outputfn;
-- cleanupfn is ignored in this mode as finite mode assumes something causes water to move itself.
register.output = function(nodename, upper, lower, outputfn)
checkbase(nodename)
pipeworks.flowables.outputs.list[nodename] = { threshold=threshold, outputfn=outputfn }
if pipeworks.toggles.pressure_logic then
abmregister.output(nodename, threshold, outputfn)
abmregister.output(nodename, lower, outputfn)
end
regwarning("output node", nodename)
end
@ -77,7 +84,8 @@ end
-- which tries to place water nodes around it.
-- possibly this could be given a helper function to determine which faces a node should try,
-- to allow things like rotation or other param values determining "direction" to be respected.
register.output_simple = function(nodename, threshold, neighbours)
-- for meanings of upper and lower, see register.output() above.
register.output_simple = function(nodename, upper, lower, neighbours)
local outputfn = pipeworks.flowlogic.helpers.make_neighbour_output_fixed(neighbours)
register.output(nodename, threshold, outputfn)
register.output(nodename, upper, lower, outputfn)
end