VoxeLibre/mods/ITEMS/mcl_lightning_rods/init.lua

147 lines
3.7 KiB
Lua

local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath(modname)
local S = minetest.get_translator("mcl_lightning_rods")
mcl_lightning_rods = {}
local mod = mcl_lightning_rods
---@class core.NodeDef
---@field _on_lightning_strike? fun(pos : vector.Vector, node : core.Node)
dofile(modpath.."/api.lua")
---@type core.NodeBox
local cbox = {
type = "fixed",
fixed = {
{ -0.0625, -0.5, -0.0625, 0.0625, 0.25, 0.0625 },
{ -0.125, 0.25, -0.125, 0.125, 0.5, 0.125 },
},
}
---@type core.NodeDef
local rod_def = {
description = S("Lightning Rod"),
_doc_items_longdesc = S("A block that attracts lightning"),
tiles = { "mcl_lightning_rods_rod.png" },
drawtype = "mesh",
mesh = "mcl_lightning_rods_rod.obj",
is_ground_content = false,
paramtype = "light",
paramtype2 = "facedir",
use_texture_alpha = "opaque",
groups = { pickaxey = 2, attracts_lightning = 1 },
sounds = mcl_sounds.node_sound_metal_defaults(),
selection_box = cbox,
collision_box = cbox,
node_placement_prediction = "",
mesecons = {
receptor = {
state = mesecon.state.off,
rules = mesecon.rules.alldirs,
},
},
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
local p0 = pointed_thing.under
local p1 = pointed_thing.above
local param2 = 0
local placer_pos = placer:get_pos()
if placer_pos then
param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
end
if p0.y - 1 == p1.y then
param2 = 20
elseif p0.x - 1 == p1.x then
param2 = 16
elseif p0.x + 1 == p1.x then
param2 = 12
elseif p0.z - 1 == p1.z then
param2 = 8
elseif p0.z + 1 == p1.z then
param2 = 4
end
return minetest.item_place(itemstack, placer, pointed_thing, param2)
end,
after_place_node = function(pos)
mod.register_lightning_attractor(pos)
end,
after_destruct = function(pos)
mod.unregister_lightning_attractor(pos)
end,
_on_lightning_strike = function(pos, node)
minetest.set_node(pos, { name = "mcl_lightning_rods:rod_powered", param2 = node.param2 })
mesecon.receptor_on(pos, mesecon.rules.alldirs)
minetest.get_node_timer(pos):start(0.4)
end,
_mcl_blast_resistance = 6,
_mcl_hardness = 3,
}
minetest.register_node("mcl_lightning_rods:rod", rod_def)
local rod_def_a = table.copy(rod_def)
rod_def_a.tiles = { "mcl_lightning_rods_rod.png^[brighten" }
rod_def_a.groups.not_in_creative_inventory = 1
rod_def_a.mesecons = {
receptor = {
state = mesecon.state.on,
rules = mesecon.rules.alldirs,
},
}
rod_def_a.on_timer = function(pos)
local node = minetest.get_node(pos)
if node.name == "mcl_lightning_rods:rod_powered" then --has not been dug
minetest.set_node(pos, { name = "mcl_lightning_rods:rod", param2 = node.param2 })
mesecon.receptor_off(pos, mesecon.rules.alldirs)
end
return false
end
minetest.register_node("mcl_lightning_rods:rod_powered", rod_def_a)
lightning.register_on_strike(function(pos)
local lr = mod.find_closest_attractor(pos, 64)
if not lr then return end
-- Make sure this possition attracts lightning
local node = minetest.get_node(lr)
if minetest.get_item_group(node.name, "attracts_lightning") == 0 then return end
-- Allow the node to process a lightning strike
local nodedef = minetest.registered_nodes[node.name]
if nodedef and nodedef._on_lightning_strike then
nodedef._on_lightning_strike(lr, node)
end
return lr
end)
minetest.register_craft({
output = "mcl_lightning_rods:rod",
recipe = {
{ "", "mcl_copper:copper_ingot", "" },
{ "", "mcl_copper:copper_ingot", "" },
{ "", "mcl_copper:copper_ingot", "" },
},
})
minetest.register_lbm({
name = "mcl_lightning_rods:index_rods",
nodenames = {"mcl_lightning_rods:rod","mcl_lightning_rods:rod_powered"},
action = function(pos)
mod.register_lightning_attractor(pos)
end
})