new flow logic: abms.lua: use directional callback function for direcional nodes to obtain neighbour list

This commit is contained in:
thetaepsilon-gamedev 2017-10-16 23:27:04 +01:00
parent e41167813b
commit fd978204dd

@ -23,6 +23,16 @@ local make_coords_offsets = function(pos, include_base)
return coords
end
-- create positions from list of offsets
-- see in use of directional flow logic below
local apply_coords_offsets = function(pos, offsets)
local result = {}
for index, offset in ipairs(offsets) do
table.insert(result, vector.add(pos, offset))
end
return result
end
-- local debuglog = function(msg) print("## "..msg) end
@ -138,6 +148,13 @@ flowlogic.balance_pressure = function(pos, node, currentpressure)
local candidates = {}
if pipeworks.flowables.list.simple[node.name] then
candidates = make_coords_offsets(pos, false)
else
-- directional flowables: call the callback to get the list
local directional = pipeworks.flowables.list.directional[node.name]
if directional then
local offsets = directional.neighbourfn(node)
candidates = apply_coords_offsets(pos, offsets)
end
end
-- then handle neighbours, but if not a pressure node don't consider them at all