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pressure logic/abms.lua: implement testing of flow direction testing in get_neighbour_positions()

This commit is contained in:
thetaepsilon-gamedev 2017-10-18 11:57:31 +01:00
parent 653aaffa3e
commit 0a97abcaf6
1 changed files with 15 additions and 2 deletions
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17
pressure_logic/abms.lua
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@ -131,6 +131,7 @@ local simple_neighbour_offsets = {
{x= 0,y= 0,z= 1},
}
local get_neighbour_positions = function(pos, node)
-- local dname = "get_neighbour_positions@"..formatvec(pos).." "
-- get list of node neighbours.
-- if this node is directional and only flows on certain sides,
-- invoke the callback to retrieve the set.
@ -149,8 +150,6 @@ local get_neighbour_positions = function(pos, node)
end
-- then, check each possible neighbour to see if they can be reached from this node.
-- for now, just check if it's in the simple table.
-- TODO: will need to add a single-face direction checking function for directional nodes
local connections = {}
for index, offset in ipairs(candidates) do
local npos = vector.add(pos, offset)
@ -160,6 +159,20 @@ local get_neighbour_positions = function(pos, node)
if is_simple then
local n = get_pressure_access(npos)
table.insert(connections, n)
else
-- if target node is also directional, check if it agrees it can flow in that direction
local directional = pipeworks.flowables.list.directional[nodename]
if directional then
--pipeworks.logger(dname.."directionality test for offset "..formatvec(offset))
local towards_origin = vector.multiply(offset, -1)
--pipeworks.logger(dname.."vector passed to directionfn: "..formatvec(towards_origin))
local result = directional.directionfn(node, towards_origin)
--pipeworks.logger(dname.."result: "..tostring(result))
if result then
local n = get_pressure_access(npos)
table.insert(connections, n)
end
end
end
end