diff options
Diffstat (limited to 'new_flow_logic/abms.lua')
| -rw-r--r-- | new_flow_logic/abms.lua | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/new_flow_logic/abms.lua b/new_flow_logic/abms.lua index 37b10bc..671a69d 100644 --- a/new_flow_logic/abms.lua +++ b/new_flow_logic/abms.lua @@ -68,6 +68,7 @@ end flowlogic.run = function(pos, node) + local nodename = node.name -- get the current pressure value. local nodepressure = get_pressure_access(pos) local currentpressure = nodepressure.get() @@ -75,6 +76,18 @@ flowlogic.run = function(pos, node) -- balance pressure with neighbours currentpressure = flowlogic.balance_pressure(pos, node, currentpressure) + -- if node is an output: run output phase + local output = pipeworks.flowables.outputs.list[nodename] + if output then + currentpressure = flowlogic.run_output( + pos, + node, + currentpressure, + output.upper, + output.lower, + output.outputfn) + end + -- set the new pressure nodepressure.set(currentpressure) end @@ -176,20 +189,18 @@ end -flowlogic.run_output = function(pos, node, threshold, outputfn) - -- callback for output devices. - -- takes care of checking a minimum pressure value and updating the node metadata. +flowlogic.run_output = function(pos, node, currentpressure, upper, lower, outputfn) + -- processing step for water output devices. + -- takes care of checking a minimum pressure value and updating the resulting pressure level -- the outputfn is provided the current pressure and returns the pressure "taken". -- as an example, using this with the above spigot function, -- the spigot function tries to output a water source if it will fit in the world. - local meta = minetest.get_meta(pos) - -- sometimes I wonder if meta:get_* returning default values would ever be problematic. - -- though here it doesn't matter, an uninit'd node returns 0, which is fine for a new, empty node. - local currentpressure = meta:get_float(label_pressure) - if currentpressure > threshold then + local result = currentpressure + if currentpressure > lower then local takenpressure = outputfn(pos, node, currentpressure) local newpressure = currentpressure - takenpressure - if newpressure < 0 then currentpressure = 0 end - meta:set_float(label_pressure, newpressure) + if newpressure < 0 then newpressure = 0 end + result = newpressure end + return result end |