MoreMesecons/moremesecons_jammer/init.lua

122 lines
3.2 KiB
Lua

local JAMMER_MAX_DISTANCE = 10
-- see wireless jammer
local get = vector.get_data_from_pos
local set = vector.set_data_to_pos
local remove = vector.remove_data_from_pos
local jammers = {}
local function add_jammer(pos)
if get(jammers, pos.z,pos.y,pos.x) then
return
end
set(jammers, pos.z,pos.y,pos.x, true)
end
local function remove_jammer(pos)
remove(jammers, pos.z,pos.y,pos.x)
end
local function is_jammed(pos)
local pz,py,px = vector.unpack(pos)
for z,yxs in pairs(jammers) do
if math.abs(pz-z) <= JAMMER_MAX_DISTANCE then
for y,xs in pairs(yxs) do
if math.abs(py-y) <= JAMMER_MAX_DISTANCE then
for x in pairs(xs) do
if math.abs(px-x) <= JAMMER_MAX_DISTANCE
and (px-x)^2+(py-y)^2+(pz-z)^2 <= JAMMER_MAX_DISTANCE^2 then
return true
end
end
end
end
end
end
return false
end
minetest.after(0, function() -- After load all mods
function mesecon.turnon(pos, link) -- Overwrite mesecons function.
local frontiers = {{pos = pos, link = link}}
local depth = 1
while frontiers[depth] do
local f = frontiers[depth]
local node = minetest.get_node_or_nil(f.pos)
-- area not loaded, postpone action
if not node then
mesecon.queue:add_action(f.pos, "turnon", {link}, nil, true)
elseif is_jammed(f.pos) then -- JAMMER
return
elseif mesecon.is_conductor_off(node, f.link) then
local rules = mesecon.conductor_get_rules(node)
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
depth = depth + 1
end
end
end)
mesecon.register_node("moremesecons_jammer:jammer", {
description = "Mesecons Jammer",
paramtype = "light",
},{
tiles = {"moremesecons_jammer_off.png"},
groups = {dig_immediate=2},
mesecons = {effector = {
action_on = function(pos)
add_jammer(pos)
minetest.swap_node(pos, {name="moremesecons_jammer:jammer_on"})
end
}},
},{
tiles = {"moremesecons_jammer_on.png"},
groups = {dig_immediate=2, not_in_creative_inventory=1},
mesecons = {effector = {
action_off = function(pos)
remove_jammer(pos)
minetest.swap_node(pos, {name="moremesecons_jammer:jammer_off"})
end
}},
on_destruct = remove_jammer,
on_construct = add_jammer,
})
minetest.register_craft({
output = "moremesecons_jammer:jammer_off",
recipe = {{"group:mesecon_conductor_craftable", "default:mese", "group:mesecon_conductor_craftable"},
{"", "moremesecons_wireless:jammer_off", ""}}
})
minetest.register_abm({
nodenames = {"moremesecons_jammer:jammer_on"},
interval = 5,
chance = 1,
action = add_jammer
})