diff options
| -rw-r--r-- | flowing_logic.lua | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/flowing_logic.lua b/flowing_logic.lua index 1c02d36..0147283 100644 --- a/flowing_logic.lua +++ b/flowing_logic.lua @@ -135,6 +135,14 @@ end +-- global values and thresholds for water behaviour +-- TODO: add some way of setting this per-world +local thresholds = {} +-- limit on pump pressure - will not absorb more than can be taken +thresholds.pump_pressure = 2 + + + -- borrowed from above: might be useable to replace the above coords tables local make_coords_offsets = function(pos, include_base) local coords = { @@ -155,6 +163,7 @@ end -- accepts a limit parameter to only delete water blocks that the receptacle can accept, -- and returns it so that the receptacle can update it's pressure values. -- this should ensure that water blocks aren't vanished from existance. +-- will take care of zero or negative-valued limits. pipeworks.check_for_liquids_v2 = function(pos, limit) if not limit then limit = 6 @@ -207,3 +216,14 @@ pipeworks.balance_pressure = function(pos, node) targetmeta:set_float(label_pressure, average) end end + +pipeworks.run_pump_intake = function(pos, node) + -- try to absorb nearby water nodes, but only up to limit. + -- NB: check_for_liquids_v2 handles zero or negative from the following subtraction + local meta = minetest.get_meta(pos) + local currentpressure = meta:get_float(label_pressure) + local intake_limit = thresholds.pump_pressure - currentpressure + local actual_intake = pipeworks.check_for_liquids_v2(pos, limit) + local newpressure = actual_intake + currentpressure + meta:set_float(label_pressure, newpressure) +end |