diff options
| -rw-r--r-- | new_flow_logic/abms.lua | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/new_flow_logic/abms.lua b/new_flow_logic/abms.lua index e83d50e..6abdd42 100644 --- a/new_flow_logic/abms.lua +++ b/new_flow_logic/abms.lua @@ -29,7 +29,7 @@ end ---local formatvec = function(vec) local sep="," return "("..tostring(vec.x)..sep..tostring(vec.y)..sep..tostring(vec.z)..")" end +local formatvec = function(vec) local sep="," return "("..tostring(vec.x)..sep..tostring(vec.y)..sep..tostring(vec.z)..")" end -- new version of liquid check -- accepts a limit parameter to only delete water blocks that the receptacle can accept, @@ -106,6 +106,13 @@ flowlogic.run = function(pos, node) finitemode) end + -- if node has pressure transitions: determine new node + if pipeworks.flowables.transitions.list[nodename] then + local newnode = flowlogic.run_transition(node, currentpressure) + --pipeworks.logger("flowlogic.run()@"..formatvec(pos).." transition, new node name = "..dump(newnode).." pressure "..tostring(currentpressure)) + minetest.swap_node(pos, newnode) + end + -- set the new pressure nodepressure.set(currentpressure) end @@ -240,3 +247,45 @@ flowlogic.run_output = function(pos, node, currentpressure, oldpressure, outputd end return result end + + + +-- determine which node to switch to based on current pressure +flowlogic.run_transition = function(node, currentpressure) + local simplesetdef = pipeworks.flowables.transitions.simple[node.name] + local result = node + local found = false + + -- simple transition sets: assumes all nodes in the set share param values. + if simplesetdef then + -- assumes that the set has been checked to contain at least one element... + local nodename_prev = simplesetdef[1].nodename + local result_nodename = node.name + + for index, element in ipairs(simplesetdef) do + -- find the highest element that is below the current pressure. + local threshold = element.threshold + if threshold > currentpressure then + result_nodename = nodename_prev + found = true + break + end + nodename_prev = element.nodename + end + + -- use last element if no threshold is greater than current pressure + if not found then + result_nodename = nodename_prev + found = true + end + + -- preserve param1/param2 values + result = { name=result_nodename, param1=node.param1, param2=node.param2 } + end + + if not found then + pipeworks.logger("flowlogic.run_transition() BUG no transition definitions found! nodename="..nodename.." currentpressure="..tostring(currentpressure)) + end + + return result +end |