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First draft of some kind of Action Queue (just like the globalstep queue in to_update), but more flexible and also including delay functionality (mesecon_delayer).

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The queue is also saved to a file, so that when restarting mesecons, delayers resume to the state they had when the game shut down. Needs testing.
This commit is contained in:
Jeija
2014-01-10 22:29:18 +01:00
parent 3f76b77001
commit 2d004b19ea
6 changed files with 177 additions and 159 deletions
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66
mesecons/init.lua
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@ -42,37 +42,8 @@
-- PUBLIC VARIABLES
mesecon={} -- contains all functions and all global variables
mesecon.actions_on={} -- Saves registered function callbacks for mesecon on | DEPRECATED
mesecon.actions_off={} -- Saves registered function callbacks for mesecon off | DEPRECATED
mesecon.actions_change={} -- Saves registered function callbacks for mesecon change | DEPRECATED
mesecon.receptors={} -- saves all information about receptors | DEPRECATED
mesecon.effectors={} -- saves all information about effectors | DEPRECATED
mesecon.conductors={} -- saves all information about conductors | DEPRECATED
local wpath = minetest.get_worldpath()
local function read_file(fn)
local f = io.open(fn, "r")
if f==nil then return {} end
local t = f:read("*all")
f:close()
if t=="" or t==nil then return {} end
return minetest.deserialize(t)
end
local function write_file(fn, tbl)
local f = io.open(fn, "w")
f:write(minetest.serialize(tbl))
f:close()
end
mesecon.to_update = read_file(wpath.."/mesecon_to_update")
mesecon.r_to_update = read_file(wpath.."/mesecon_r_to_update")
minetest.register_on_shutdown(function()
write_file(wpath.."/mesecon_to_update",mesecon.to_update)
write_file(wpath.."/mesecon_r_to_update",mesecon.r_to_update)
end)
mesecon.queue={} -- contains the ActionQueue
mesecon.queue.funcs={} -- contains all ActionQueue functions
-- Settings
dofile(minetest.get_modpath("mesecons").."/settings.lua")
@ -86,6 +57,10 @@ dofile(minetest.get_modpath("mesecons").."/presets.lua");
-- mostly things that make the source look cleaner
dofile(minetest.get_modpath("mesecons").."/util.lua");
-- The ActionQueue
-- Saves all the actions that have to be execute in the future
dofile(minetest.get_modpath("mesecons").."/actionqueue.lua");
-- Internal stuff
-- This is the most important file
-- it handles signal transmission and basically everything else
@ -101,31 +76,33 @@ dofile(minetest.get_modpath("mesecons").."/legacy.lua");
-- API
-- these are the only functions you need to remember
function mesecon:receptor_on_i(pos, rules)
mesecon.queue:add_function("receptor_on", function (pos, rules)
rules = rules or mesecon.rules.default
for _, rule in ipairs(mesecon:flattenrules(rules)) do
local np = mesecon:addPosRule(pos, rule)
-- if area is not loaded, keep trying
if minetest.env:get_node_or_nil(np) == nil then
mesecon.queue:add_action(pos, "receptor_on", {rules})
end
local rulenames = mesecon:rules_link_rule_all(pos, rule)
for _, rulename in ipairs(rulenames) do
mesecon:turnon(np, rulename)
end
end
end
end)
function mesecon:receptor_on(pos, rules)
if MESECONS_GLOBALSTEP then
rules = rules or mesecon.rules.default
mesecon.r_to_update[#mesecon.r_to_update+1]={pos=pos, rules=rules, action="on"}
else
mesecon:receptor_on_i(pos, rules)
end
mesecon.queue:add_action(pos, "receptor_on", {rules})
end
function mesecon:receptor_off_i(pos, rules)
mesecon.queue:add_function("receptor_off", function (pos, rules)
rules = rules or mesecon.rules.default
for _, rule in ipairs(mesecon:flattenrules(rules)) do
local np = mesecon:addPosRule(pos, rule)
if minetest.env:get_node_or_nil(np) == nil then
mesecon.queue:add_action(pos, "receptor_off", {rules})
end
local rulenames = mesecon:rules_link_rule_all(pos, rule)
for _, rulename in ipairs(rulenames) do
if not mesecon:connected_to_receptor(np, mesecon:invertRule(rule)) then
@ -135,15 +112,10 @@ function mesecon:receptor_off_i(pos, rules)
end
end
end
end
end)
function mesecon:receptor_off(pos, rules)
if MESECONS_GLOBALSTEP then
rules = rules or mesecon.rules.default
mesecon.r_to_update[#mesecon.r_to_update+1]={pos=pos, rules=rules, action="off"}
else
mesecon:receptor_off_i(pos, rules)
end
mesecon.queue:add_action(pos, "receptor_off", {rules})
end