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Prevent extra pin events with luacontrollers, microcontrollers, and FPGAs (#593)

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This commit is contained in:
Jude Melton-Houghton
2022-02-27 15:12:37 -05:00
committed by GitHub
parent fef5c8cf68
commit 0d9e0274ae
3 changed files with 40 additions and 20 deletions
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19
mesecons_microcontroller/init.lua
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@ -44,8 +44,9 @@ local mesecons = {effector =
{
rules = input_rules,
action_change = function (pos, node, rulename, newstate)
yc.update_real_portstates(pos, node, rulename, newstate)
yc.update(pos)
if yc.update_real_portstates(pos, node, rulename, newstate) then
yc.update(pos)
end
end
}}
if nodename ~= "mesecons_microcontroller:microcontroller0000" then
@ -655,13 +656,16 @@ yc.set_portstate = function(port, state, L)
return L
end
-- Updates the real port states according to the signal change.
-- Returns whether the real port states actually changed.
yc.update_real_portstates = function(pos, _, rulename, newstate)
local meta = minetest.get_meta(pos)
if rulename == nil then
meta:set_int("real_portstates", 1)
return
return true
end
local n = meta:get_int("real_portstates") - 1
local real_portstates = meta:get_int("real_portstates")
local n = real_portstates - 1
local L = {}
for i = 1, 4 do
L[i] = n%2
@ -676,7 +680,12 @@ yc.update_real_portstates = function(pos, _, rulename, newstate)
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])
local new_portstates = 1 + L[1] + 2*L[2] + 4*L[3] + 8*L[4]
if new_portstates ~= real_portstates then
meta:set_int("real_portstates", new_portstates)
return true
end
return false
end
yc.get_real_portstates = function(pos) -- determine if ports are powered (by itself or from outside)