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pressure logic: abms.lua: move neighbour candidates calculation to separate function

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This commit is contained in:
thetaepsilon-gamedev 2017-10-17 22:01:29 +01:00
parent a7c171940e
commit d68d3d5852
1 changed files with 19 additions and 11 deletions
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30
pressure_logic/abms.lua
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@ -130,17 +130,7 @@ end
flowlogic.balance_pressure = function(pos, node, currentpressure)
-- local dname = "flowlogic.balance_pressure()@"..formatvec(pos).." "
-- check the pressure of all nearby flowable nodes, and average it out.
-- pressure handles to average over
local connections = {}
-- unconditionally include self in nodes to average over.
-- result of averaging will be returned as new pressure for main flow logic callback
local totalv = currentpressure
local totalc = 1
local get_neighbour_positions = function(pos, node)
-- get list of node neighbours.
-- if this node is directional and only flows on certain sides,
-- invoke the callback to retrieve the set.
@ -158,6 +148,24 @@ flowlogic.balance_pressure = function(pos, node, currentpressure)
end
end
return candidates
end
flowlogic.balance_pressure = function(pos, node, currentpressure)
-- local dname = "flowlogic.balance_pressure()@"..formatvec(pos).." "
-- check the pressure of all nearby flowable nodes, and average it out.
-- pressure handles to average over
local connections = {}
-- unconditionally include self in nodes to average over.
-- result of averaging will be returned as new pressure for main flow logic callback
local totalv = currentpressure
local totalc = 1
local candidates = get_neighbour_positions(pos, node)
-- then handle neighbours, but if not a pressure node don't consider them at all
for _, npos in ipairs(candidates) do
local nodename = minetest.get_node(npos).name