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https://git.minetest.land/VoxeLibre/VoxeLibre.git
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This patch contains a function that searches for a path to a node with light level 15, which is guaranteed to be sunlight.
297 lines
9.4 KiB
Lua
297 lines
9.4 KiB
Lua
local S = minetest.get_translator(minetest.get_current_modname())
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local function path_to_sunlight_exists(position, light_level)
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local neighbours = {
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{ x = 0, y = 0, z =-1 },
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{ x = 0, y = 0, z = 1 },
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{ x = 0, y =-1, z = 0 },
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{ x = 0, y = 1, z = 0 },
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{ x =-1, y = 0, z = 0 },
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{ x = 1, y = 0, z = 0 },
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}
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for i=1, #neighbours do
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local offset = neighbours[i]
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local position_new = vector.add(
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position,
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offset
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)
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local light_level_new = minetest.get_node_light(
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position_new,
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nil
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)
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if 15 == light_level_new then
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-- found the sunlight
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return true
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elseif light_level_new > light_level then
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-- search where light is brighter
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if path_to_sunlight_exists(
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position_new,
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light_level_new
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) 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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local function sunlight_visible(position)
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local light_level
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-- Minetest 5.4.0+ can measure the daylight level at a position
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if nil ~= minetest.get_natural_light then
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light_level = minetest.get_natural_light(
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position,
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nil
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)
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if light_level >= 12 then
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return true
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end
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else -- Minetest 5.3.0 or less can only measure the light level
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local time = minetest.get_timeofday() * 24000
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-- only check light level during day
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if time > 6000 and time < 18000 then
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light_level = minetest.get_node_light(
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position,
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nil
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)
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if light_level >= 12 then
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return path_to_sunlight_exists(
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position,
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12
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)
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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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local boxes = { -8/16, -8/16, -8/16, 8/16, -2/16, 8/16 }
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-- Daylight Sensor
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minetest.register_node("mesecons_solarpanel:solar_panel_on", {
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drawtype = "nodebox",
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tiles = { "jeija_solar_panel.png","jeija_solar_panel.png","jeija_solar_panel_side.png",
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"jeija_solar_panel_side.png","jeija_solar_panel_side.png","jeija_solar_panel_side.png", },
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wield_image = "jeija_solar_panel.png",
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wield_scale = { x=1, y=1, z=3 },
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paramtype = "light",
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is_ground_content = false,
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selection_box = {
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type = "fixed",
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fixed = boxes
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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drop = "mesecons_solarpanel:solar_panel_off",
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_doc_items_create_entry = false,
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groups = {handy=1,axey=1, not_in_creative_inventory = 1, material_wood=1, flammable=-1},
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sounds = mcl_sounds.node_sound_glass_defaults(),
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mesecons = {receptor = {
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state = mesecon.state.on,
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rules = mesecon.rules.pplate,
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}},
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on_rightclick = function(pos, node, clicker, pointed_thing)
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local protname = clicker:get_player_name()
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if minetest.is_protected(pos, protname) then
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minetest.record_protection_violation(pos, protname)
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return
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end
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minetest.swap_node(pos, {name = "mesecons_solarpanel:solar_panel_inverted_off"})
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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end,
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_mcl_blast_resistance = 0.2,
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_mcl_hardness = 0.2,
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})
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minetest.register_node("mesecons_solarpanel:solar_panel_off", {
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drawtype = "nodebox",
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tiles = { "jeija_solar_panel.png","jeija_solar_panel.png","jeija_solar_panel_side.png",
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"jeija_solar_panel_side.png","jeija_solar_panel_side.png","jeija_solar_panel_side.png", },
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wield_image = "jeija_solar_panel.png",
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wield_scale = { x=1, y=1, z=3 },
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paramtype = "light",
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is_ground_content = false,
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selection_box = {
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type = "fixed",
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fixed = boxes
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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groups = {handy=1,axey=1, material_wood=1},
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description=S("Daylight Sensor"),
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_tt_help = S("Provides redstone power when in sunlight") .. "\n" ..S("Can be inverted"),
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_doc_items_longdesc = S("Daylight sensors are redstone components which provide redstone power when they are in sunlight and no power otherwise. They can also be inverted.").."\n"..
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S("In inverted state, they provide redstone power when they are not in sunlight and no power otherwise."),
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_doc_items_usagehelp = S("Use the daylight sensor to toggle its state."),
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sounds = mcl_sounds.node_sound_glass_defaults(),
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mesecons = {receptor = {
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state = mesecon.state.off,
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rules = mesecon.rules.pplate,
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}},
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on_rightclick = function(pos, node, clicker, pointed_thing)
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local protname = clicker:get_player_name()
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if minetest.is_protected(pos, protname) then
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minetest.record_protection_violation(pos, protname)
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return
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end
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minetest.swap_node(pos, {name = "mesecons_solarpanel:solar_panel_inverted_on"})
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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end,
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_mcl_blast_resistance = 0.2,
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_mcl_hardness = 0.2,
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})
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minetest.register_craft({
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output = "mesecons_solarpanel:solar_panel_off",
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recipe = {
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{"mcl_core:glass", "mcl_core:glass", "mcl_core:glass"},
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{"mcl_nether:quartz", "mcl_nether:quartz", "mcl_nether:quartz"},
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{"group:wood_slab", "group:wood_slab", "group:wood_slab"},
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}
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})
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minetest.register_abm({
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label = "Daylight turns on solar panels",
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nodenames = {"mesecons_solarpanel:solar_panel_off"},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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if sunlight_visible(pos) then
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minetest.set_node(pos, {name="mesecons_solarpanel:solar_panel_on", param2=node.param2})
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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end
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end,
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})
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minetest.register_abm({
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label = "Darkness turns off solar panels",
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nodenames = {"mesecons_solarpanel:solar_panel_on"},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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if not sunlight_visible(pos) then
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minetest.set_node(pos, {name="mesecons_solarpanel:solar_panel_off", param2=node.param2})
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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end
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end,
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})
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--- Inverted Daylight Sensor
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minetest.register_node("mesecons_solarpanel:solar_panel_inverted_on", {
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drawtype = "nodebox",
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tiles = { "jeija_solar_panel_inverted.png","jeija_solar_panel_inverted.png","jeija_solar_panel_side.png",
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"jeija_solar_panel_side.png","jeija_solar_panel_side.png","jeija_solar_panel_side.png", },
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wield_image = "jeija_solar_panel_inverted.png",
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wield_scale = { x=1, y=1, z=3 },
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paramtype = "light",
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is_ground_content = false,
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selection_box = {
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type = "fixed",
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fixed = boxes
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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drop = "mesecons_solarpanel:solar_panel_off",
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groups = {handy=1,axey=1, not_in_creative_inventory = 1, material_wood=1},
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_doc_items_create_entry = false,
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sounds = mcl_sounds.node_sound_glass_defaults(),
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mesecons = {receptor = {
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state = mesecon.state.on,
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rules = mesecon.rules.pplate,
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}},
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on_rightclick = function(pos, node, clicker, pointed_thing)
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local protname = clicker:get_player_name()
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if minetest.is_protected(pos, protname) then
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minetest.record_protection_violation(pos, protname)
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return
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end
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minetest.swap_node(pos, {name = "mesecons_solarpanel:solar_panel_off"})
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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end,
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_mcl_blast_resistance = 0.2,
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_mcl_hardness = 0.2,
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})
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minetest.register_node("mesecons_solarpanel:solar_panel_inverted_off", {
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drawtype = "nodebox",
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tiles = { "jeija_solar_panel_inverted.png","jeija_solar_panel_inverted.png","jeija_solar_panel_side.png",
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"jeija_solar_panel_side.png","jeija_solar_panel_side.png","jeija_solar_panel_side.png", },
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wield_image = "jeija_solar_panel_inverted.png",
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wield_scale = { x=1, y=1, z=3 },
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paramtype = "light",
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is_ground_content = false,
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selection_box = {
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type = "fixed",
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fixed = boxes
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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drop = "mesecons_solarpanel:solar_panel_off",
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groups = {handy=1,axey=1, not_in_creative_inventory=1, material_wood=1},
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description=S("Inverted Daylight Sensor"),
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_doc_items_create_entry = false,
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sounds = mcl_sounds.node_sound_glass_defaults(),
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mesecons = {receptor = {
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state = mesecon.state.off,
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rules = mesecon.rules.pplate,
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}},
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on_rightclick = function(pos, node, clicker, pointed_thing)
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local protname = clicker:get_player_name()
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if minetest.is_protected(pos, protname) then
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minetest.record_protection_violation(pos, protname)
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return
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end
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minetest.swap_node(pos, {name = "mesecons_solarpanel:solar_panel_on"})
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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end,
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_mcl_blast_resistance = 0.2,
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_mcl_hardness = 0.2,
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})
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minetest.register_abm({
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label = "Darkness turns on inverted solar panels",
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nodenames = {"mesecons_solarpanel:solar_panel_inverted_off"},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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if not sunlight_visible(pos) then
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minetest.set_node(pos, {name="mesecons_solarpanel:solar_panel_inverted_on", param2=node.param2})
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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end
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end,
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})
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minetest.register_abm({
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label = "Daylight turns off inverted solar panels",
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nodenames = {"mesecons_solarpanel:solar_panel_inverted_on"},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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if sunlight_visible(pos) then
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minetest.set_node(pos, {name="mesecons_solarpanel:solar_panel_inverted_off", param2=node.param2})
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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end
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end,
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})
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minetest.register_craft({
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type = "fuel",
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recipe = "mesecons_solarpanel:solar_panel_off",
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burntime = 15
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})
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if minetest.get_modpath("doc") then
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doc.add_entry_alias("nodes", "mesecons_solarpanel:solar_panel_off", "nodes", "mesecons_solarpanel:solar_panel_on")
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doc.add_entry_alias("nodes", "mesecons_solarpanel:solar_panel_off", "nodes", "mesecons_solarpanel:solar_panel_inverted_off")
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doc.add_entry_alias("nodes", "mesecons_solarpanel:solar_panel_off", "nodes", "mesecons_solarpanel:solar_panel_inverted_off")
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doc.add_entry_alias("nodes", "mesecons_solarpanel:solar_panel_off", "nodes", "mesecons_solarpanel:solar_panel_inverted_on")
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end
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