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new flow logic: abms.lua: hoist simple flowable neighbour calculation into if-block in preparation for directional flowables support

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thetaepsilon-gamedev 2017-10-15 18:18:48 +01:00
parent edbb3aace9
commit 30bedbfecc
1 changed files with 10 additions and 1 deletions
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new_flow_logic/abms.lua
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@ -131,8 +131,17 @@ flowlogic.balance_pressure = function(pos, node, currentpressure)
local totalv = currentpressure local totalv = currentpressure
local totalc = 1 local totalc = 1
-- get list of node neighbours.
-- if this node is directional and only flows on certain sides,
-- invoke the callback to retrieve the set.
-- for simple flowables this is just an auto-gen'd list of all six possible neighbours.
local candidates = {}
if pipeworks.flowables.list.simple[node.name] then
candidates = make_coords_offsets(pos, false)
end
-- then handle neighbours, but if not a pressure node don't consider them at all -- then handle neighbours, but if not a pressure node don't consider them at all
for _, npos in ipairs(make_coords_offsets(pos, false)) do for _, npos in ipairs(candidates) do
local nodename = minetest.get_node(npos).name local nodename = minetest.get_node(npos).name
-- for now, just check if it's in the simple table. -- for now, just check if it's in the simple table.
-- TODO: the "can flow from" logic in flowable_node_registry.lua -- TODO: the "can flow from" logic in flowable_node_registry.lua