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author | Jeija <jeija@mesecons.net> | 2014-11-22 14:47:18 +0100 |
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committer | Jeija <jeija@mesecons.net> | 2014-11-22 14:47:18 +0100 |
commit | ffacbfde5a956da910479139f490f8ffa3ae5a85 (patch) | |
tree | 0698c4bd63bf1538ca60b1f406c8c708e272a2cb | |
parent | b5cc933287b9dcd1d2e9b999398f93023e89fccc (diff) | |
download | mesecons-ffacbfde5a956da910479139f490f8ffa3ae5a85.tar mesecons-ffacbfde5a956da910479139f490f8ffa3ae5a85.tar.gz mesecons-ffacbfde5a956da910479139f490f8ffa3ae5a85.tar.bz2 mesecons-ffacbfde5a956da910479139f490f8ffa3ae5a85.tar.xz mesecons-ffacbfde5a956da910479139f490f8ffa3ae5a85.zip |
Use an iterative algorithm for turnon() and turnoff(), fixes #160
This may also bring some performance benefit.
-rw-r--r-- | mesecons/internal.lua | 161 | ||||
-rw-r--r-- | mesecons_luacontroller/init.lua | 5 |
2 files changed, 84 insertions, 82 deletions
diff --git a/mesecons/internal.lua b/mesecons/internal.lua index edf361f..75d7785 100644 --- a/mesecons/internal.lua +++ b/mesecons/internal.lua @@ -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, 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), " +-- mesecon:activate(pos, node, depth) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher depths are executed later +-- mesecon:deactivate(pos, node, depth) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off), higher depths are executed later +-- mesecon:changesignal(pos, node, rulename, newstate, depth) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change), higher depths are executed later -- CONDUCTORS -- mesecon:is_conductor(nodename) --> Returns true if nodename is a conductor @@ -187,14 +187,14 @@ mesecon.queue:add_function("activate", function (pos, rulename) end end) -function mesecon:activate(pos, node, rulename, recdepth) +function mesecon:activate(pos, node, rulename, depth) if rulename == nil then for _,rule in ipairs(mesecon:effector_get_rules(node)) do - mesecon:activate(pos, node, rule, recdepth + 1) + mesecon:activate(pos, node, rule, depth + 1) end return end - mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / recdepth) + mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / depth) end @@ -208,36 +208,36 @@ mesecon.queue:add_function("deactivate", function (pos, rulename) end end) -function mesecon:deactivate(pos, node, rulename, recdepth) +function mesecon:deactivate(pos, node, rulename, depth) if rulename == nil then for _,rule in ipairs(mesecon:effector_get_rules(node)) do - mesecon:deactivate(pos, node, rule, recdepth + 1) + mesecon:deactivate(pos, node, rule, depth + 1) end return end - mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / recdepth) + mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / depth) end -- Change mesecon.queue:add_function("change", function (pos, rulename, changetype) - node = minetest.get_node(pos) - effector = mesecon:get_effector(node.name) + local node = minetest.get_node(pos) + local effector = mesecon:get_effector(node.name) if effector and effector.action_change then effector.action_change(pos, node, rulename, changetype) end end) -function mesecon:changesignal(pos, node, rulename, newstate, recdepth) +function mesecon:changesignal(pos, node, rulename, newstate, depth) if rulename == nil then for _,rule in ipairs(mesecon:effector_get_rules(node)) do - mesecon:changesignal(pos, node, rule, newstate, recdepth + 1) + mesecon:changesignal(pos, node, rule, newstate, depth + 1) end return end - mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, rulename, 1 / recdepth) + mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, rulename, 1 / depth) end -- Conductors @@ -349,50 +349,47 @@ function mesecon:is_power_off(pos, rulename) return false end -function mesecon:turnon(pos, rulename, recdepth) - recdepth = recdepth or 2 - if (recdepth > STACK_SIZE) then return end - local node = minetest.get_node(pos) +function mesecon:turnon(pos, link) + local frontiers = {{pos = pos, link = link}} - if(node.name == "ignore") then - -- try turning on later again - mesecon.queue:add_action( - pos, "turnon", {rulename, recdepth + 1}, nil, true) - end - - if mesecon:is_conductor_off(node, rulename) then - local rules = mesecon:conductor_get_rules(node) + local depth = 1 + while frontiers[depth] do + local f = frontiers[depth] + local node = minetest.get_node_or_nil(f.pos) - if not rulename then - for _, rule in ipairs(mesecon:flattenrules(rules)) do - if mesecon:connected_to_receptor(pos, rule) then - mesecon:turnon(pos, rule, recdepth + 1) - end - end - return + -- area not loaded, postpone action + if not node then + mesecon.queue:add_action(f.pos, "turnon", {link}, nil, true) end - minetest.swap_node(pos, {name = mesecon:get_conductor_on(node, rulename), param2 = node.param2}) + if mesecon:is_conductor_off(node, f.link) then + local rules = mesecon:conductor_get_rules(node) - for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do - local np = mesecon:addPosRule(pos, rule) - if(minetest.get_node(np).name == "ignore") then - -- try turning on later again - mesecon.queue:add_action( - np, "turnon", {rulename, recdepth + 1}, nil, true) - else - local rulenames = mesecon:rules_link_rule_all(pos, rule) - - for _, rulename in ipairs(rulenames) do - mesecon:turnon(np, rulename, recdepth + 1) + minetest.swap_node(f.pos, {name = mesecon:get_conductor_on(node, f.link), + param2 = node.param2}) + + -- call turnon on neighbors: normal rules + for _, r in ipairs(mesecon:rule2meta(f.link, rules)) do + local np = mesecon:addPosRule(f.pos, r) + + -- area not loaded, postpone action + if not minetest.get_node_or_nil(np) then + mesecon.queue:add_action(np, "turnon", {rulename}, + nil, true) + else + local links = mesecon:rules_link_rule_all(f.pos, r) + for _, l in ipairs(links) do + table.insert(frontiers, {pos = np, link = l}) + end end end + elseif mesecon:is_effector(node.name) then + mesecon:changesignal(f.pos, node, f.link, mesecon.state.on, depth) + if mesecon:is_effector_off(node.name) then + mesecon:activate(f.pos, node, f.link, depth) + end end - elseif mesecon:is_effector(node.name) then - mesecon:changesignal(pos, node, rulename, mesecon.state.on, recdepth) - if mesecon:is_effector_off(node.name) then - mesecon:activate(pos, node, rulename, recdepth) - end + depth = depth + 1 end end @@ -400,41 +397,47 @@ mesecon.queue:add_function("turnon", function (pos, rulename, recdepth) mesecon:turnon(pos, rulename, recdepth) end) -function mesecon:turnoff(pos, rulename, recdepth) - recdepth = recdepth or 2 - if (recdepth > STACK_SIZE) then return end - local node = minetest.get_node(pos) +function mesecon:turnoff(pos, link) + local frontiers = {{pos = pos, link = link}} - if(node.name == "ignore") then - -- try turning on later again - mesecon.queue:add_action( - pos, "turnoff", {rulename, recdepth + 1}, nil, true) - end + local depth = 1 + while frontiers[depth] do + local f = frontiers[depth] + local node = minetest.get_node_or_nil(f.pos) - if mesecon:is_conductor_on(node, rulename) then - local rules = mesecon:conductor_get_rules(node) - minetest.swap_node(pos, {name = mesecon:get_conductor_off(node, rulename), param2 = node.param2}) + -- area not loaded, postpone action + if not node then + mesecon.queue:add_action(f.pos, "turnoff", {link}, nil, true) + end - for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do - local np = mesecon:addPosRule(pos, rule) - if(minetest.get_node(np).name == "ignore") then - -- try turning on later again - mesecon.queue:add_action( - np, "turnoff", {rulename, recdepth + 1}, nil, true) - else - local rulenames = mesecon:rules_link_rule_all(pos, rule) - - for _, rulename in ipairs(rulenames) do - mesecon:turnoff(np, rulename, recdepth + 1) + if mesecon:is_conductor_on(node, f.link) then + local rules = mesecon:conductor_get_rules(node) + + minetest.swap_node(f.pos, {name = mesecon:get_conductor_off(node, f.link), + param2 = node.param2}) + + -- call turnoff on neighbors: normal rules + for _, r in ipairs(mesecon:rule2meta(f.link, rules)) do + local np = mesecon:addPosRule(f.pos, r) + + -- area not loaded, postpone action + if not minetest.get_node_or_nil(np) then + mesecon.queue:add_action(np, "turnoff", {rulename}, + nil, true) + else + local links = mesecon:rules_link_rule_all(f.pos, r) + for _, l in ipairs(links) do + table.insert(frontiers, {pos = np, link = l}) + end end end + elseif mesecon:is_effector(node.name) then + mesecon:changesignal(f.pos, node, f.link, mesecon.state.off, depth) + if mesecon:is_effector_on(node.name) and not mesecon:is_powered(f.pos) then + mesecon:deactivate(f.pos, node, f.link, depth) + end end - elseif mesecon:is_effector(node.name) then - 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, recdepth + 1) - end + depth = depth + 1 end end diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua index 6fb5d03..e4faaad 100644 --- a/mesecons_luacontroller/init.lua +++ b/mesecons_luacontroller/init.lua @@ -83,7 +83,6 @@ local merge_portstates = function (ports, vports) end local generate_name = function (ports) - local overwrite = overwrite or {} local d = ports.d and 1 or 0 local c = ports.c and 1 or 0 local b = ports.b and 1 or 0 @@ -271,7 +270,7 @@ local create_sandbox = function (code, env) if code:byte(1) == 27 then return _, "You Hacker You! Don't use binary code!" end - f, msg = loadstring(code) + local f, msg = loadstring(code) if not f then return _, msg end setfenv(f, env) return f @@ -321,7 +320,7 @@ lc_update = function (pos, event) -- create the sandbox and execute code local chunk, msg = create_sandbox (code, env) if not chunk then return msg end - local success, msg = pcall(f) + local success, msg = pcall(chunk) if not success then return msg end if ports_invalid(env.port) then return ports_invalid(env.port) end |