diff options
| -rw-r--r-- | pressure_logic/abms.lua | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/pressure_logic/abms.lua b/pressure_logic/abms.lua index 16bdb2d..ba3906d 100644 --- a/pressure_logic/abms.lua +++ b/pressure_logic/abms.lua @@ -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 |