forked from minetest-mods/MoreMesecons
138 lines
3.4 KiB
Lua
138 lines
3.4 KiB
Lua
-- see wireless jammer
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local get = vector.get_data_from_pos
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local set = vector.set_data_to_pos
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local remove = vector.remove_data_from_pos
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local jammers = {}
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local function add_jammer(pos)
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if get(jammers, pos.z,pos.y,pos.x) then
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return
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end
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set(jammers, pos.z,pos.y,pos.x, true)
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end
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local function remove_jammer(pos)
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remove(jammers, pos.z,pos.y,pos.x)
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end
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local function is_jammed(pos)
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local JAMMER_MAX_DISTANCE = tonumber(minetest.setting_get("moresecons_jammer.max_distance")) or 10
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if JAMMER_MAX_DISTANCE <= 0 then
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JAMMER_MAX_DISTANCE = 1
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elseif JAMMER_MAX_DISTANCE ~= JAMMER_MAX_DISTANCE then -- NaN
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JAMMER_MAX_DISTANCE = 10
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end
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local pz,py,px = vector.unpack(pos)
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for z,yxs in pairs(jammers) do
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if math.abs(pz-z) <= JAMMER_MAX_DISTANCE then
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for y,xs in pairs(yxs) do
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if math.abs(py-y) <= JAMMER_MAX_DISTANCE then
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for x in pairs(xs) do
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if math.abs(px-x) <= JAMMER_MAX_DISTANCE
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and (px-x)^2+(py-y)^2+(pz-z)^2 <= JAMMER_MAX_DISTANCE^2 then
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return true
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end
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end
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end
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end
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end
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end
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return false
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end
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minetest.after(0, function() -- After loading all mods, override some functions
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local jammed
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local actual_node_get = minetest.get_node_or_nil
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local function temp_node_get(pos, ...)
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local node = actual_node_get(pos, ...)
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if jammed == nil
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and node then
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jammed = is_jammed(pos)
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end
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return node
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end
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local actual_is_conductor_off = mesecon.is_conductor_off
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local function temp_is_conductor_off(...)
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if jammed then
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-- go to the next elseif, there's is_effector
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return
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end
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local v = actual_is_conductor_off(...)
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if v then
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-- it continues to the next frontier
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jammed = nil
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end
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return v
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end
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local actual_is_effector = mesecon.is_effector
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local function temp_is_effector(...)
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local abort_here = jammed
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-- the last elseif before continuing, jammed needs to be nil then
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jammed = nil
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if abort_here then
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return
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end
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return actual_is_effector(...)
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end
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local actual_turnon = mesecon.turnon
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function mesecon.turnon(...)
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--set those to the temporary functions
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minetest.get_node_or_nil = temp_node_get
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mesecon.is_conductor_off = temp_is_conductor_off
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mesecon.is_effector = temp_is_effector
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actual_turnon(...)
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minetest.get_node_or_nil = actual_node_get
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mesecon.is_conductor_off = actual_is_conductor_off
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mesecon.is_effector = actual_is_effector
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-- safety
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jammed = nil
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end
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end)
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mesecon.register_node("moremesecons_jammer:jammer", {
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description = "Mesecons Jammer",
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paramtype = "light",
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},{
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tiles = {"moremesecons_jammer_off.png"},
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groups = {dig_immediate=2},
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mesecons = {effector = {
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action_on = function(pos)
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add_jammer(pos)
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minetest.sound_play("moremesecons_jammer", {pos = pos})
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minetest.swap_node(pos, {name="moremesecons_jammer:jammer_on"})
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end
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}},
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},{
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tiles = {"moremesecons_jammer_on.png"},
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groups = {dig_immediate=2, not_in_creative_inventory=1},
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mesecons = {effector = {
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action_off = function(pos)
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remove_jammer(pos)
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minetest.swap_node(pos, {name="moremesecons_jammer:jammer_off"})
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end
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}},
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on_destruct = remove_jammer,
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on_construct = add_jammer,
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})
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minetest.register_craft({
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output = "moremesecons_jammer:jammer_off",
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recipe = {{"group:mesecon_conductor_craftable", "default:mese", "group:mesecon_conductor_craftable"},
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{"", "moremesecons_wireless:jammer_off", ""}}
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})
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minetest.register_lbm({
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name = "moremesecons_jammer:add_jammer",
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nodenames = {"moremesecons_jammer:jammer_on"},
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run_at_every_load = true,
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action = add_jammer
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})
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