Merge pull request 'Add lightning rods' (#2772) from lightning_rod into master
Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/2772 Reviewed-by: PrairieWind <prairie.astronomer1@gmail.com>pvp_knockback
commit
05232e99cd
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@ -107,29 +107,7 @@ local function choose_pos(pos)
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return pos, pos2
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end
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-- * pos: optional, if not given a random pos will be chosen
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-- * returns: bool - success if a strike happened
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function lightning.strike(pos)
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if lightning.auto then
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after(rng:next(lightning.interval_low, lightning.interval_high), lightning.strike)
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end
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local pos2
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pos, pos2 = choose_pos(pos)
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if not pos then
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return false
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end
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if lightning.on_strike_functions then
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for _, func in pairs(lightning.on_strike_functions) do
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-- allow on_strike callbacks to destroy entities by re-obtaining objects for each callback
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local objects = get_objects_inside_radius(pos2, 3.5)
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func(pos, pos2, objects)
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end
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end
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end
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lightning.register_on_strike(function(pos, pos2, objects)
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function lightning.strike_func(pos, pos2, objects)
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local particle_pos = vector.offset(pos2, 0, (lightning.size / 2) + 0.5, 0)
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local particle_size = lightning.size * 10
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local time = 0.2
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@ -230,7 +208,38 @@ lightning.register_on_strike(function(pos, pos2, objects)
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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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-- * pos: optional, if not given a random pos will be chosen
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-- * returns: bool - success if a strike happened
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function lightning.strike(pos)
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if lightning.auto then
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after(rng:next(lightning.interval_low, lightning.interval_high), lightning.strike)
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end
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local pos2
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pos, pos2 = choose_pos(pos)
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if not pos then
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return false
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end
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local do_strike = true
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if lightning.on_strike_functions then
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for _, func in pairs(lightning.on_strike_functions) do
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-- allow on_strike callbacks to destroy entities by re-obtaining objects for each callback
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local objects = get_objects_inside_radius(pos2, 3.5)
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local p,stop = func(pos, pos2, objects)
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if p then
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pos = p
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pos2 = choose_pos(p)
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end
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do_strike = do_strike and not stop
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end
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end
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if do_strike then
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lightning.strike_func(pos,pos2,get_objects_inside_radius(pos2, 3.5))
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end
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end
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-- if other mods disable auto lightning during initialization, don't trigger the first lightning.
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after(5, function(dtime)
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@ -0,0 +1,82 @@
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local S = minetest.get_translator("mobs_mc")
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local cbox = {
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type = "fixed",
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fixed = {
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{ 0/16, -8/16, 0/16, 2/16, 4/16, 2/16 },
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{ 0/16, 4/16, 0/16, 3/16, 8/16, 3/16 },
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}
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}
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minetest.register_node("mcl_lightning_rods:rod", {
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description = S("Lightning Rod"),
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_doc_items_longdesc = S("A block that attracts lightning"),
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--inventory_image = "mcl_lightning_rods_rod_inv.png",
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tiles = {
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"mcl_lightning_rods_rod.png",
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"mcl_lightning_rods_rod.png",
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"mcl_lightning_rods_rod.png",
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"mcl_lightning_rods_rod.png",
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"mcl_lightning_rods_rod.png",
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"mcl_lightning_rods_rod.png",
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},
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drawtype = "nodebox",
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is_ground_content = false,
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paramtype = "light",
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paramtype2 = "facedir",
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groups = {pickaxey=2,attracts_lightning=1},
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sounds = mcl_sounds.node_sound_metal_defaults(),
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node_box = cbox,
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selection_box = cbox,
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collision_box = cbox,
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" then
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return itemstack
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end
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local p0 = pointed_thing.under
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local p1 = pointed_thing.above
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local param2 = 0
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local placer_pos = placer:get_pos()
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if placer_pos then
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local dir = {
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x = p1.x - placer_pos.x,
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y = p1.y - placer_pos.y,
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z = p1.z - placer_pos.z
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}
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param2 = minetest.dir_to_facedir(dir)
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end
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if p0.y - 1 == p1.y then
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param2 = 20
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elseif p0.x - 1 == p1.x then
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param2 = 16
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elseif p0.x + 1 == p1.x then
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param2 = 12
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elseif p0.z - 1 == p1.z then
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param2 = 8
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elseif p0.z + 1 == p1.z then
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param2 = 4
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end
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return minetest.item_place(itemstack, placer, pointed_thing, param2)
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end,
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sounds = mcl_sounds.node_sound_glass_defaults(),
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_mcl_blast_resistance = 0,
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})
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lightning.register_on_strike(function(pos,pos2,objects)
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local lr = minetest.find_node_near(pos,128,{"group:attracts_lightning"},true)
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return lr,nil
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end)
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minetest.register_craft({
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output = "mcl_lightning_rods:rod",
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recipe = {
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{"", "mcl_copper:copper_ingot",""},
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{"", "mcl_copper:copper_ingot",""},
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{"", "mcl_copper:copper_ingot",""},
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}
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})
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@ -0,0 +1,3 @@
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name = mcl_lightning_rods
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author = cora
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depends = mcl_sounds, lightning
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