Add server lag tracking to mcl_player global step, maintain an index of lightning attractors in mod storage for mcl_lightning_rods and use this instead of minetest.find_node_near during lightning strikes, modify node definition to allow for additional lightning attractors

mods/ENTITIES/mcl_mobs/api.lua

@@ -388,7 +388,7 @@ end
 
 
 
-local function on_step_work(self, dtime, moveresult)
+local function on_step_work (self, dtime)
 	local pos = self.object:get_pos()
 	if not pos then return end
 
@@ -402,7 +402,7 @@ local function on_step_work(self, dtime, moveresult)
 		-- Do we abandon out of here now?
 	end
 
-	if self:falling(pos, moveresult) then return end
+	if self:falling(pos) then return end
 	if self:step_damage (dtime, pos) then return end
 
 	if self.state == "die" then return end
@@ -502,11 +502,11 @@ end
 
 
 -- main mob function
-function mob_class:on_step(dtime, moveresult)
+function mob_class:on_step(dtime)
 	if not DEVELOPMENT then
 		-- Removed as bundled Lua (5.1 doesn't support xpcall)
 		--local status, retVal = xpcall(on_step_work, on_step_error_handler, self, dtime)
-		local status, retVal = pcall(on_step_work, self, dtime, moveresult)
+		local status, retVal = pcall(on_step_work, self, dtime)
 		if status then
 			return retVal
 		else
@@ -521,7 +521,7 @@ function mob_class:on_step(dtime, moveresult)
 			log_error (dump(retVal), dump(pos), dump(self))
 		end
 	else
-		return on_step_work (self, dtime, moveresult)
+		return on_step_work (self, dtime)
 	end
 end
 

mods/ENTITIES/mcl_mobs/breeding.lua

@@ -105,7 +105,7 @@ end
 
 -- Spawn a child
 function mcl_mobs.spawn_child(pos, mob_type)
-	local child = minetest.add_entity(pos, mob_type)
+	local child = mcl_mobs.spawn(pos, mob_type)
 	if not child then
 		return
 	end

mods/ENTITIES/mcl_mobs/init.lua

@@ -615,7 +615,7 @@ function mcl_mobs.register_egg(mob_id, desc, background_color, overlay_color, ad
 
 				pos.y = pos.y - 1
 				local mob = mcl_mobs.spawn(pos, mob_name)
-				if not mob then
+				if not object then
 					pos.y = pos.y + 1
 					mob = mcl_mobs.spawn(pos, mob_name)
 					if not mob then return end

mods/ENTITIES/mcl_mobs/physics.lua

@@ -927,7 +927,8 @@ end
 
 -- falling and fall damage
 -- returns true if mob died
-function mob_class:falling(pos, moveresult)
+function mob_class:falling(pos)
+
 	if self.fly and self.state ~= "die" then
 		return
 	end
@@ -950,13 +951,7 @@ function mob_class:falling(pos, moveresult)
 			new_acceleration = vector.new(0, DEFAULT_FALL_SPEED, 0)
 		elseif v.y <= 0 and v.y > self.fall_speed then
 			-- fall downwards at set speed
-			if moveresult and moveresult.touching_ground then
-				-- when touching ground, retain a minimal gravity to keep the touching_ground flag
-				-- but also to not get upwards acceleration with large dtime when on bouncy ground
-				new_acceleration = vector.new(0, self.fall_speed * 0.01, 0)
-			else
-				new_acceleration = vector.new(0, self.fall_speed, 0)
-			end
+			new_acceleration = vector.new(0, self.fall_speed, 0)
 		else
 			-- stop accelerating once max fall speed hit
 			new_acceleration =vector.zero()

mods/ENTITIES/mobs_mc/axolotl.lua

@@ -72,24 +72,18 @@ local axolotl = {
 	fly = true,
 	fly_in = { "mcl_core:water_source", "mclx_core:river_water_source" },
 	breathes_in_water = true,
-	jump = false, -- would get them out of the water too often
+	jump = true,
 	damage = 2,
 	reach = 2,
 	attack_type = "dogfight",
 	attack_animals = true,
 	specific_attack = {
-		"mobs_mc:cod",
-		"mobs_mc:glow_squid",
-		"mobs_mc:salmon",
-		"mobs_mc:tropical_fish",
-		"mobs_mc:squid",
-		"mobs_mc:zombie", -- todo: only drowned?
-		"mobs_mc:baby_zombie",
-		"mobs_mc:husk",
-		"mobs_mc:baby_husk",
-		"mobs_mc:guardian_elder",
-		"mobs_mc:guardian",
-	},
+		"extra_mobs_cod",
+		"extra_mobs_glow_squid",
+		"extra_mobs_salmon",
+		"extra_mobs_tropical_fish",
+		"mobs_mc_squid"
+		 },
 	runaway = true,
 }
 

mods/ENVIRONMENT/mcl_weather/rain.lua

@@ -157,7 +157,6 @@ function mcl_weather.rain.clear()
 		mcl_weather.rain.remove_sound(player)
 		mcl_weather.rain.remove_player(player)
 		mcl_weather.remove_spawners_player(player)
-		player:set_clouds({color="#FFF0EF"})
 	end
 end
 

mods/ENVIRONMENT/mcl_weather/skycolor.lua

@@ -2,7 +2,6 @@
 local modname = minetest.get_current_modname()
 local modpath = minetest.get_modpath(modname)
 local NIGHT_VISION_RATIO = 0.45
-local DEBUG = false
 
 -- Settings
 local minimum_update_interval = { 250e3 }
@@ -191,8 +190,8 @@ end
 
 function skycolor_utils.convert_to_rgb(minval, maxval, current_val, colors)
 	-- Clamp current_val to valid range
-	current_val = math.max(minval, current_val)
-	current_val = math.min(maxval, current_val)
+	current_val = math.min(minval, current_val)
+	current_val = math.max(maxval, current_val)
 
 	-- Rescale current_val from a number between minval and maxval to a number between 1 and #colors
 	local scaled_value = (current_val - minval) / (maxval - minval) * (#colors - 1) + 1.0
@@ -200,7 +199,7 @@ function skycolor_utils.convert_to_rgb(minval, maxval, current_val, colors)
 	-- Get the first color's values
 	local index1 = math.floor(scaled_value)
 	local color1 = colors[index1]
-	local frac1 = 1.0 - (scaled_value - index1)
+	local frac1 = scaled_value - index1
 
 	-- Get the second color's values
 	local index2 = math.min(index1 + 1, #colors) -- clamp to maximum color index (will occur if index1 == #colors)
@@ -208,32 +207,11 @@ function skycolor_utils.convert_to_rgb(minval, maxval, current_val, colors)
 	local color2 = colors[index2]
 
 	-- Interpolate between color1 and color2
-	local res = {
+	return {
 		r = math.floor(frac1 * color1.r + frac2 * color2.r),
 		g = math.floor(frac1 * color1.g + frac2 * color2.g),
 		b = math.floor(frac1 * color1.b + frac2 * color2.b),
 	}
-
-	if DEBUG then
-		minetest.log(dump({
-			minval = minval,
-			maxval = maxval,
-			current_val = current_val,
-			colors = colors,
-			res = res,
-			scaled_value = scaled_value,
-
-			frac1 = frac1,
-			index1 = index1,
-			color1 = color1,
-
-			frac2 = frac2,
-			index2 = index2,
-			color2 = color2,
-		}))
-	end
-
-	return res
 end
 
 -- Simple getter. Either returns user given players list or get all connected players if none provided

mods/ENVIRONMENT/mcl_weather/skycolor/dimensions.lua

@@ -40,21 +40,18 @@ function dimension_handlers.overworld(player, sky_data)
 	end
 
 	-- Use overworld defaults
-	local day_color = mcl_weather.skycolor.get_sky_layer_color(0.5)
+	local day_color = mcl_weather.skycolor.get_sky_layer_color(0.15)
 	local dawn_color = mcl_weather.skycolor.get_sky_layer_color(0.27)
 	local night_color = mcl_weather.skycolor.get_sky_layer_color(0.1)
 	sky_data.sky = {
 		type = "regular",
 		sky_color = {
-			day_sky = day_color or "#7BA4FF",
-			day_horizon = day_color or "#C0D8FF",
-			dawn_sky = dawn_color or "7BA4FF",
-			dawn_horizon = dawn_color or "#C0D8FF",
-			night_sky = night_color or "000000",
-			night_horizon = night_color or "4A6790",
-			fog_sun_tint = "#ff5f33",
-			fog_moon_tint = nil,
-			fog_tint_type = "custom",
+			day_sky = day_color,
+			day_horizon = day_color,
+			dawn_sky = dawn_color,
+			dawn_horizon = dawn_color,
+			night_sky = night_color,
+			night_horizon = night_color,
 		},
 		clouds = true,
 	}
@@ -78,15 +75,18 @@ function dimension_handlers.overworld(player, sky_data)
 		local day_color = mcl_weather.skycolor.get_sky_layer_color(0.5)
 		local dawn_color = mcl_weather.skycolor.get_sky_layer_color(0.75)
 		local night_color = mcl_weather.skycolor.get_sky_layer_color(0)
-		table.update(sky_data.sky.sky_color,{
-			day_sky = day_color or "#7BA4FF",
-			day_horizon = day_color or "#C0D8FF",
-			dawn_sky = dawn_color or "7BA4FF",
-			dawn_horizon = dawn_color or "#C0D8FF",
-			night_sky = night_color or "000000",
-			night_horizon = night_color or "4A6790",
-			fog_tint_type = "default",
-		})
+		sky_data.sky = {
+			type = "regular",
+			sky_color = {
+				day_sky = day_color,
+				day_horizon = day_color,
+				dawn_sky = dawn_color,
+				dawn_horizon = dawn_color,
+				night_sky = night_color,
+				night_horizon = night_color,
+			},
+			clouds = true,
+		}
 		sky_data.sun = {visible = false, sunrise_visible = false}
 		sky_data.moon = {visible = false}
 		sky_data.stars = {visible = false}
@@ -164,8 +164,7 @@ function dimension_handlers.nether(player, sky_data)
 end
 
 function dimension_handlers.void(player, sky_data)
-	sky_data.sky = {
-		type = "plain",
+	sky_data.sky = { type = "plain",
 		base_color = "#000000",
 		clouds = false,
 	}

mods/ENVIRONMENT/mcl_weather/snow.lua

@@ -75,15 +75,13 @@ function mcl_weather.has_snow(pos)
 end
 
 function mcl_weather.snow.set_sky_box()
-	if mcl_weather.skycolor.current_layer_name() ~= "weather-pack-snow-sky" then
-		mcl_weather.skycolor.add_layer(
-			"weather-pack-snow-sky",
-			{{r=0, g=0, b=0},
-			{r=85, g=86, b=86},
-			{r=135, g=135, b=135},
-			{r=85, g=86, b=86},
-			{r=0, g=0, b=0}})
-	end
+	mcl_weather.skycolor.add_layer(
+		"weather-pack-snow-sky",
+		{{r=0, g=0, b=0},
+		{r=85, g=86, b=86},
+		{r=135, g=135, b=135},
+		{r=85, g=86, b=86},
+		{r=0, g=0, b=0}})
 	mcl_weather.skycolor.active = true
 	for _, player in pairs(get_connected_players()) do
 		player:set_clouds({color="#ADADADE8"})

mods/ENVIRONMENT/mcl_weather/thunder.lua

@@ -23,15 +23,13 @@ minetest.register_globalstep(function(dtime)
 	mcl_weather.rain.make_weather()
 
 	if mcl_weather.thunder.init_done == false then
-		if mcl_weather.skycolor.current_layer_name() ~= "weather-pack-thunder-sky" then
-			mcl_weather.skycolor.add_layer("weather-pack-thunder-sky", {
-				{r=0, g=0, b=0},
-				{r=40, g=40, b=40},
-				{r=85, g=86, b=86},
-				{r=40, g=40, b=40},
-				{r=0, g=0, b=0},
-			})
-		end
+		mcl_weather.skycolor.add_layer("weather-pack-thunder-sky", {
+			{r=0, g=0, b=0},
+			{r=40, g=40, b=40},
+			{r=85, g=86, b=86},
+			{r=40, g=40, b=40},
+			{r=0, g=0, b=0},
+		})
 		mcl_weather.skycolor.active = true
 		for _, player in pairs(get_connected_players()) do
 			player:set_clouds({color="#3D3D3FE8"})

mods/ITEMS/mcl_bamboo/bamboo_base.lua

@@ -5,6 +5,9 @@
 --- Copyright (C) 2022 - 2023, Michieal. See License.txt
 
 -- CONSTS
+local DOUBLE_DROP_CHANCE = 8
+-- Used everywhere. Often this is just the name, but it makes sense to me as BAMBOO, because that's how I think of it...
+-- "BAMBOO" goes here.
 local BAMBOO = "mcl_bamboo:bamboo"
 local BAMBOO_ENDCAP_NAME = "mcl_bamboo:bamboo_endcap"
 local BAMBOO_PLANK = BAMBOO .. "_plank"
@@ -13,7 +16,7 @@ local BAMBOO_PLANK = BAMBOO .. "_plank"
 local modname = minetest.get_current_modname()
 local S = minetest.get_translator(modname)
 local node_sound = mcl_sounds.node_sound_wood_defaults()
-local pr = PseudoRandom((os.time() + 15766) * 12)
+local pr = PseudoRandom((os.time() + 15766) * 12) -- switched from math.random() to PseudoRandom because the random wasn't very random.
 
 local on_rotate
 if minetest.get_modpath("screwdriver") then
@@ -28,7 +31,33 @@ local bamboo_def = {
 	paramtype = "light",
 	groups = {handy = 1, axey = 1, choppy = 1, dig_by_piston = 1, plant = 1, non_mycelium_plant = 1, flammable = 3},
 	sounds = node_sound,
-	drop = BAMBOO,
+
+	drop = {
+		max_items = 1,
+		-- From the API:
+		-- max_items: Maximum number of item lists to drop.
+		-- The entries in 'items' are processed in order. For each:
+		-- Item filtering is applied, chance of drop is applied, if both are
+		-- successful the entire item list is dropped.
+		-- Entry processing continues until the number of dropped item lists
+		-- equals 'max_items'.
+		-- Therefore, entries should progress from low to high drop chance.
+		items = {
+			-- Examples:
+			{
+				-- 1 in DOUBLE_DROP_CHANCE chance of dropping.
+				-- Default rarity is '1'.
+				rarity = DOUBLE_DROP_CHANCE,
+				items = {BAMBOO .. " 2"},
+			},
+			{
+				-- 1 in 1 chance of dropping. (Note: this means that it will drop 100% of the time.)
+				-- Default rarity is '1'.
+				rarity = 1,
+				items = {BAMBOO},
+			},
+		},
+	},
 
 	inventory_image = "mcl_bamboo_bamboo_shoot.png",
 	wield_image = "mcl_bamboo_bamboo_shoot.png",
@@ -57,6 +86,7 @@ local bamboo_def = {
 	on_rotate = on_rotate,
 
 	on_place = function(itemstack, placer, pointed_thing)
+
 		if not pointed_thing then
 			return itemstack
 		end
@@ -211,6 +241,9 @@ local bamboo_def = {
 		if node_above and ((bamboo_node and bamboo_node > 0) or node_above.name == BAMBOO_ENDCAP_NAME) then
 			minetest.remove_node(new_pos)
 			minetest.sound_play(node_sound.dug, sound_params, true)
+			if pr:next(1, DOUBLE_DROP_CHANCE) == 1 then
+				minetest.add_item(new_pos, istack)
+			end
 			minetest.add_item(new_pos, istack)
 		end
 	end,

mods/ITEMS/mcl_bamboo/bamboo_items.lua

@@ -9,6 +9,8 @@ local SIDE_SCAFFOLDING = false
 local SIDE_SCAFFOLD_NAME = "mcl_bamboo:scaffolding_horizontal"
 -- ---------------------------------------------------------------------------
 local SCAFFOLDING_NAME = "mcl_bamboo:scaffolding"
+-- Used everywhere. Often this is just the name, but it makes sense to me as BAMBOO, because that's how I think of it...
+-- "BAMBOO" goes here.
 local BAMBOO = "mcl_bamboo:bamboo"
 local BAMBOO_PLANK = BAMBOO .. "_plank"
 

mods/ITEMS/mcl_bamboo/globals.lua

@@ -74,7 +74,7 @@ function mcl_bamboo.break_orphaned(pos)
 	local node_name = node_below.name
 
 	-- short circuit checks.
-	if node_name == "ignore" or mcl_bamboo.is_dirt(node_name) or mcl_bamboo.is_bamboo(node_name) or mcl_bamboo.is_bamboo(minetest.get_node(pos).name) == false then
+	if mcl_bamboo.is_dirt(node_name) or mcl_bamboo.is_bamboo(node_name) or mcl_bamboo.is_bamboo(minetest.get_node(pos).name) == false then
 		return
 	end
 

mods/ITEMS/mcl_bamboo/init.lua

@@ -7,6 +7,8 @@
 
 -- LOCALS
 local modname = minetest.get_current_modname()
+-- Used everywhere. Often this is just the name, but it makes sense to me as BAMBOO, because that's how I think of it...
+-- "BAMBOO" goes here.
 local BAMBOO = "mcl_bamboo:bamboo"
 
 mcl_bamboo = {}

mods/ITEMS/mcl_bamboo/recipes.lua

@@ -5,6 +5,8 @@
 --- These are all of the fuel recipes and all of the crafting recipes, consolidated into one place.
 --- Copyright (C) 2022 - 2023, Michieal. See License.txt
 
+-- Used everywhere. Often this is just the name, but it makes sense to me as BAMBOO, because that's how I think of it...
+-- "BAMBOO" goes here.
 local BAMBOO = "mcl_bamboo:bamboo"
 local BAMBOO_PLANK = BAMBOO .. "_plank"
 -- Craftings

mods/ITEMS/mcl_chests/init.lua

@@ -79,7 +79,7 @@ minetest.register_lbm({
 		local node_name = node.name
 		node.name = node_name .. "_small"
 		minetest.swap_node(pos, node)
-		mcl_chests.select_and_spawn_entity(pos, node)
+		select_and_spawn_entity(pos, node)
 		if node_name == "mcl_chests:trapped_chest_on" then
 			minetest.log("action", "[mcl_chests] Disabled active trapped chest on load: " .. minetest.pos_to_string(pos))
 			mcl_chests.chest_update_after_close(pos)

mods/ITEMS/mcl_lightning_rods/api.lua

@@ -0,0 +1,194 @@
+local storage = minetest.get_mod_storage()
+local mod = mcl_lightning_rods
+local BLOCK_SIZE = 64
+
+-- Helper functions
+function vector_floor(v)
+	return vector.new( math.floor(v.x), math.floor(v.y), math.floor(v.z) )
+end
+function vector_min(a,b)
+	return vector.new( math.min(a.x,b.x), math.min(a.y,b.y), math.min(a.z,b.z) )
+end
+function vector_max(a,b)
+	return vector.new( math.max(a.x,b.x), math.max(a.y,b.y), math.max(a.z,b.z) )
+end
+
+local function read_voxel_area(pos1, pos2)
+	local vm = minetest.get_voxel_manip()
+	local minp, maxp = vm:read_from_map(pos1, pos2)
+	local data = vm:get_data()
+	local area = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
+
+	return vm,data,area
+end
+
+local function load_index(x,y,z)
+	local idx_key = string.format("%d-%d,%d,%d",BLOCK_SIZE,x,y,z)
+	local idx_str = storage:get_string(idx_key)
+	if idx_str and idx_str ~= "" then
+		local idx = minetest.deserialize(idx_str)
+		return idx
+	end
+
+	return {}
+end
+local function load_index_vector(pos)
+	return load_index(pos.x,pos.y,pos.z)
+end
+
+local function save_index(x,y,z, idx)
+	local idx_str = minetest.serialize(idx)
+	local idx_key = string.format("%d-%d,%d,%d",BLOCK_SIZE,x,y,z)
+	storage:set_string(idx_key, idx_str)
+end
+local function save_index_vector(pos, idx)
+	return save_index(pos.x,pos.y,pos.z, idx)
+end
+
+-- Remove duplicates and verify all locations have a lightning attractor present
+local function clean_index(idx, drop)
+	local new_idx = {}
+	local exists = {}
+	for _,p in ipairs(idx) do
+		local key = string.format("%d,%d,%d",p.x,p.y,p.z)
+		if not exists[key] then
+			exists[key] = true
+
+			local node = minetest.get_node(p)
+			if minetest.get_item_group(node.name, "attracts_lightning") ~= 0 or (drop and vector.distance(p,drop) < 0.1 ) then
+				new_idx[#new_idx + 1] = p
+			end
+		end
+	end
+	return new_idx
+end
+
+function mod.find_attractors_in_area(pos1, pos2)
+	-- Normalize the search area into large, regular blocks
+	local pos1_r = vector_floor(pos1 / BLOCK_SIZE)
+	local pos2_r = vector_floor(pos2 / BLOCK_SIZE)
+	local min = vector_min(pos1_r, pos2_r)
+	local max = vector_max(pos1_r, pos2_r)
+
+	local results = {}
+	for z = min.z,max.z do
+		for y = min.y,max.y do
+			for x = min.x,max.x do
+				local idx = load_index(x,y,z)
+
+				-- Make sure every indexed position actually has a lightning attractor present
+				for _,pos in ipairs(idx) do
+					local node = minetest.get_node(pos)
+					if minetest.get_item_group(node.name, "attracts_lightning") ~= 0 then
+						results[#results + 1] = pos
+					end
+				end
+			end
+		end
+	end
+	return results
+end
+local function find_closest_position_in_list(pos, list)
+	local dist = nil
+	local best = nil
+	for _,p in ipairs(list) do
+		local p_dist = vector.distance(p,pos)
+		if not dist or p_dist < dist then
+			dist = p_dist
+			best = p
+		end
+	end
+	return best
+end
+
+function mod.find_closest_attractor(pos, search_size)
+	local attractor_positions = mod.find_attractors_in_area(
+		vector.offset(pos, -search_size, -search_size, -search_size),
+		vector.offset(pos,  search_size,  search_size,  search_size)
+	)
+	return find_closest_position_in_list(pos, attractor_positions)
+end
+
+function mod.unregister_lightning_attractor(pos)
+	-- Verify the node no longer attracts lightning
+	local node = minetest.get_node(pos)
+	if minetest.get_item_group(node.name, "attracts_lightning") ~= 0 then return end
+
+	-- Get the existing index data (if any)
+	local pos_r = vector_floor(pos / BLOCK_SIZE)
+	local idx = load_index_vector(pos_r)
+
+	-- Clean the index and drop this node
+	idx = clean_index(idx, pos)
+	save_index_vector(pos_r, idx)
+end
+function mod.register_lightning_attractor(pos)
+	-- Verify the node attracts lightning
+	local node = minetest.get_node(pos)
+	if minetest.get_item_group(node.name, "attracts_lightning") == 0 then return end
+
+	-- Get the existing index data (if any)
+	local pos_r = vector_floor(pos / BLOCK_SIZE)
+	local idx = load_index_vector(pos_r)
+	for _,p in ipairs(idx) do
+		-- Don't need to change anything if the rod is already registered
+		if vector.distance(p,pos) < 0.1 then return end
+	end
+
+	-- Add and save the rod position
+	idx[#idx + 1] = pos
+
+	-- Clean and save the index data
+	clean_index(idx)
+	save_index_vector(pos_r, idx)
+end
+
+-- Constants used for content id index
+local IS_ATTRACTOR = {}
+local IS_NOT_ATTRACTOR = {}
+function mod.index_block(pos)
+	local pos_r = vector_floor(pos1 / BLOCK_SIZE)
+	local pos1 = vector.multiply(pos_r,BLOCK_SIZE)
+	local pos2 = vector.offset(pos,BLOCK_SIZE - 1,BLOCK_SIZE - 1,BLOCK_SIZE - 1)
+
+	-- We are completely rebuilding the index data so there is no nead to load
+	-- the existing data
+	local idx = {}
+
+	-- Setup voxel manipulator
+	local vm,data,area = read_voxel_area()
+
+	-- Indexes to speed things up
+	local cid_attractors = {}
+
+	-- Iterate over the area and look for lightning attractors
+	local minx = pos1.x
+	local maxx = pos1.x
+	for z = pos1.z,pos2.z do
+		for y = pos1.y,pos2.y do
+			for x = minx,maxx do
+				local vi = area:index(x,y,z)
+				local cid = data[vi]
+				local attr = cid_attractors[cid]
+				if attr then
+					if attr == IS_ATTRACTOR then
+						idx[#idx + 1] = vector.new(x,y,z)
+					end
+				else
+					-- Lookup data and cache for later
+					local name = minetest.get_name_from_content_id(cid)
+					if minetest.get_item_group(name, "attracts_lightning") then
+						cid_attractors = IS_ATTRACTOR
+						idx[#idx + 1] = vector.new(x,y,z)
+					else
+						cid_attractors = IS_NOT_ATTRACTOR
+					end
+				end
+			end
+		end
+	end
+
+	-- Save for later use
+	save_index_vector(pos_r, idx)
+end
+

mods/ITEMS/mcl_lightning_rods/init.lua

@@ -1,5 +1,12 @@
+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
+
+dofile(modpath.."/api.lua")
+
 ---@type nodebox
 local cbox = {
 	type = "fixed",
@@ -59,6 +66,17 @@ local rod_def = {
 
 		return minetest.item_place(itemstack, placer, pointed_thing, param2)
 	end,
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		mod.register_lightning_attractor(pos)
+	end,
+	after_destruct = function(pos, oldnode)
+		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,
@@ -92,21 +110,21 @@ end
 
 minetest.register_node("mcl_lightning_rods:rod_powered", rod_def_a)
 
-
 lightning.register_on_strike(function(pos, pos2, objects)
-	local lr = minetest.find_node_near(pos, 128, { "group:attracts_lightning" }, true)
+	local lr = mod.find_closest_attractor(pos, 64)
+	if not lr then return end
 
-	if lr then
-		local node = minetest.get_node(lr)
+	-- 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
 
-		if node.name == "mcl_lightning_rods:rod" then
-			minetest.set_node(lr, { name = "mcl_lightning_rods:rod_powered", param2 = node.param2 })
-			mesecon.receptor_on(lr, mesecon.rules.alldirs)
-			minetest.get_node_timer(lr):start(0.4)
-		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, nil
+	return lr
 end)
 
 minetest.register_craft({
@@ -117,3 +135,10 @@ minetest.register_craft({
 		{ "", "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, node)
+		mod.register_lightning_attractor(pos)
+	end
+})

mods/ITEMS/mcl_ocean/kelp.lua

@@ -196,7 +196,7 @@ function kelp.find_unsubmerged(pos, node, height)
 	for i=1,height do
 		walk_pos.y = y + i
 		local walk_node = mt_get_node(walk_pos)
-		if walk_node.name ~= "ignore" and not kelp.is_submerged(walk_node) then
+		if not kelp.is_submerged(walk_node) then
 			return walk_pos, walk_node, height, i
 		end
 	end

mods/PLAYER/mcl_player/init.lua

@@ -213,6 +213,11 @@ local player_attached = mcl_player.player_attached
 
 -- Check each player and apply animations
 minetest.register_globalstep(function(dtime)
+	-- Track server lag greater than 110ms
+	if dtime > 0.11 then
+		minetest.log("warning", "Timestep greater than 110ms("..tostring(math.floor(dtime*1000)).." ms), server lag detected")
+	end
+
 	for _, player in pairs(minetest.get_connected_players()) do
 		local name = player:get_player_name()
 		local model_name = player_model[name]