Merge branch 'actionqueue'

This introduces the ActionQueue, a new kind of MESECONS_GLOBALSTEP.
Circuits using delayers will now resume when restarting the server.
Also, large circuits should automatically resume if parts of them are
in unloaded chunks.
Old circuits e.g. using gates will not resume when mesecons is updated,
which means you have to restart them once. But after that, it should work
just like it used to.
This will fix a lot of stuff but may also introduce some new bugs.
So please report them!
This commit is contained in:
Jeija
2014-01-19 13:59:22 +01:00
11 changed files with 397 additions and 223 deletions

View File

@ -31,18 +31,46 @@ rules.d = {x = 0, y = 0, z = -1, name="D"}
------------------
-- These helpers are required to set the portstates of the luacontroller
function lc_update_real_portstates(pos, rulename, newstate)
local meta = minetest.get_meta(pos)
if rulename == nil then
meta:set_int("real_portstates", 1)
return
end
local n = meta:get_int("real_portstates") - 1
if n < 0 then
legacy_update_ports(pos)
n = meta:get_int("real_portstates") - 1
end
local L = {}
for i = 1, 4 do
L[i] = n%2
n = math.floor(n/2)
end
if rulename.x == nil then
for _, rname in ipairs(rulename) do
local port = ({4, 1, nil, 3, 2})[rname.x+2*rname.z+3]
L[port] = (newstate == "on") and 1 or 0
end
else
local port = ({4, 1, nil, 3, 2})[rulename.x+2*rulename.z+3]
L[port] = (newstate == "on") and 1 or 0
end
meta:set_int("real_portstates", 1 + L[1] + 2*L[2] + 4*L[3] + 8*L[4])
end
local get_real_portstates = function(pos) -- determine if ports are powered (by itself or from outside)
ports = {
a = mesecon:is_power_on(mesecon:addPosRule(pos, rules.a), mesecon:invertRule(rules.a))
and mesecon:rules_link(mesecon:addPosRule(pos, rules.a), pos),
b = mesecon:is_power_on(mesecon:addPosRule(pos, rules.b), mesecon:invertRule(rules.b))
and mesecon:rules_link(mesecon:addPosRule(pos, rules.b), pos),
c = mesecon:is_power_on(mesecon:addPosRule(pos, rules.c), mesecon:invertRule(rules.c))
and mesecon:rules_link(mesecon:addPosRule(pos, rules.c), pos),
d = mesecon:is_power_on(mesecon:addPosRule(pos, rules.d), mesecon:invertRule(rules.d))
and mesecon:rules_link(mesecon:addPosRule(pos, rules.d), pos),
}
return ports
local meta = minetest.get_meta(pos)
local L = {}
local n = meta:get_int("real_portstates") - 1
if n < 0 then
return legacy_update_ports(pos)
end
for _, index in ipairs({"a", "b", "c", "d"}) do
L[index] = ((n%2) == 1)
n = math.floor(n/2)
end
return L
end
local merge_portstates = function (ports, vports)
@ -457,6 +485,7 @@ local mesecons = {
{
rules = input_rules[cid],
action_change = function (pos, _, rulename, newstate)
lc_update_real_portstates(pos, rulename, newstate)
lc_update(pos, {type=newstate, pin=rulename})
end,
},