minetest-mods/mesecons
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Add ActionQueue priority system

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This makes effectors nearer to the source of the action (the receptor) update first.

This defines behaviour for this piston circuit: http://i.imgur.com/9Pp2Mzb.png
And defines, that this memory circuit does not work from this direction: http://i.imgur.com/jJn0aFh.png
But it will work when using the switch from the other side: http://i.imgur.com/nvw0oZB.png

Only if two effectors have the same distance, there is nothing we can do about it, behaviour is not defined.
"Distance" is determined by the stack size of recursions in turnon / turnoff.
Priorities are between 0 (lowest) and 1 (highest).
This commit is contained in:
Jeija
2014-01-11 10:04:32 +01:00
parent 93fb489bdb
commit f1211f7dae
5 changed files with 63 additions and 44 deletions
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58
mesecons/internal.lua
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@ -22,9 +22,9 @@
-- mesecon:effector_get_rules(node) --> Returns the input rules of the effector (mesecon.rules.default if none specified)
-- SIGNALS
-- mesecon:activate(pos, node) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on)
-- mesecon:deactivate(pos, node) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off)
-- mesecon:changesignal(pos, node, rulename, newstate) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change)
-- mesecon:activate(pos, node, recdepth) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher recdepths are executed later
-- mesecon:deactivate(pos, node, recdepth) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off), "
-- mesecon:changesignal(pos, node, rulename, newstate) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change), "
-- RULES
-- mesecon:add_rules(name, rules) | deprecated? --> Saves rules table by name
@ -41,8 +41,8 @@
-- HIGH-LEVEL Internals
-- mesecon:is_power_on(pos) --> Returns true if pos emits power in any way
-- mesecon:is_power_off(pos) --> Returns true if pos does not emit power in any way
-- mesecon:turnon(pos, rulename) --> Returns true whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnon
-- mesecon:turnoff(pos, rulename) --> Turns off whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnoff
-- mesecon:turnon(pos, rulename) --> Returns true whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnon; Uses third parameter recdepth internally to determine how far away the current node is from the initial pos as it uses recursion
-- mesecon:turnoff(pos, rulename) --> Turns off whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnoff; Uses third parameter recdepth internally to determine how far away the current node is from the initial pos as it uses recursion
-- mesecon:connected_to_receptor(pos) --> Returns true if pos is connected to a receptor directly or via conductors; calls itself if pos is a conductor --> recursive
-- mesecon:rules_link(output, input, dug_outputrules) --> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
-- mesecon:rules_link_anydir(outp., inp., d_outpr.) --> Same as rules mesecon:rules_link but also returns true if output and input are swapped
@ -191,14 +191,14 @@ mesecon.queue:add_function("activate", function (pos, rulename)
end
end)
function mesecon:activate(pos, node, rulename)
function mesecon:activate(pos, node, rulename, recdepth)
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:activate(pos, node, rule)
mesecon:activate(pos, node, rule, recdepth + 1)
end
return
end
mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename)
mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / recdepth)
end
@ -212,14 +212,14 @@ mesecon.queue:add_function("deactivate", function (pos, rulename)
end
end)
function mesecon:deactivate(pos, node, rulename)
function mesecon:deactivate(pos, node, rulename, recdepth)
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:deactivate(pos, node, rule)
mesecon:deactivate(pos, node, rule, recdepth + 1)
end
return
end
mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename)
mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / recdepth)
end
@ -233,15 +233,15 @@ mesecon.queue:add_function("change", function (pos, rulename, changetype)
end
end)
function mesecon:changesignal(pos, node, rulename, newstate)
function mesecon:changesignal(pos, node, rulename, newstate, recdepth)
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:changesignal(pos, node, rule, newstate)
mesecon:changesignal(pos, node, rule, newstate, recdepth + 1)
end
return
end
mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, rulename)
mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, rulename, 1 / recdepth)
end
-- #########
@ -365,7 +365,8 @@ function mesecon:is_power_off(pos, rulename)
return false
end
function mesecon:turnon(pos, rulename)
function mesecon:turnon(pos, rulename, recdepth)
recdepth = recdepth or 2
local node = minetest.get_node(pos)
if mesecon:is_conductor_off(node, rulename) then
@ -374,7 +375,7 @@ function mesecon:turnon(pos, rulename)
if not rulename then
for _, rule in ipairs(mesecon:flattenrules(rules)) do
if mesecon:connected_to_receptor(pos, rule) then
mesecon:turnon(pos, rule)
mesecon:turnon(pos, rule, recdepth + 1)
end
end
return
@ -387,32 +388,23 @@ function mesecon:turnon(pos, rulename)
local rulenames = mesecon:rules_link_rule_all(pos, rule)
for _, rulename in ipairs(rulenames) do
mesecon:turnon(np, rulename)
mesecon:turnon(np, rulename, recdepth + 1)
end
end
elseif mesecon:is_effector(node.name) then
mesecon:changesignal(pos, node, rulename, mesecon.state.on)
mesecon:changesignal(pos, node, rulename, mesecon.state.on, recdepth)
if mesecon:is_effector_off(node.name) then
mesecon:activate(pos, node, rulename)
mesecon:activate(pos, node, rulename, recdepth)
end
end
end
function mesecon:turnoff(pos, rulename)
function mesecon:turnoff(pos, rulename, recdepth)
recdepth = recdepth or 0
local node = minetest.get_node(pos)
if mesecon:is_conductor_on(node, rulename) then
local rules = mesecon:conductor_get_rules(node)
--[[
if not rulename then
for _, rule in ipairs(mesecon:flattenrules(rules)) do
if mesecon:is_powered(pos, rule) then
mesecon:turnoff(pos, rule)
end
end
return
end
--]]
minetest.swap_node(pos, {name = mesecon:get_conductor_off(node, rulename), param2 = node.param2})
for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
@ -420,14 +412,14 @@ function mesecon:turnoff(pos, rulename)
local rulenames = mesecon:rules_link_rule_all(pos, rule)
for _, rulename in ipairs(rulenames) do
mesecon:turnoff(np, rulename)
mesecon:turnoff(np, rulename, recdepth + 1)
end
end
elseif mesecon:is_effector(node.name) then
mesecon:changesignal(pos, node, rulename, mesecon.state.off)
mesecon:changesignal(pos, node, rulename, mesecon.state.off, recdepth)
if mesecon:is_effector_on(node.name)
and not mesecon:is_powered(pos) then
mesecon:deactivate(pos, node, rulename)
mesecon:deactivate(pos, node, rulename, recdepth + 1)
end
end
end