many worldgen mods and gonna try technic now

mods/plantlife_modpack/molehills/init.lua

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+-- Idea by Sokomine
+-- Code & textures by Mossmanikin
+
+-- support for i18n
+local S = minetest.get_translator("molehills")
+
+local molehill_rarity = minetest.settings:get("molehills.molehill_rarity") or 0.002
+
+-- Node
+local mh_cbox = {
+	type = "fixed",
+	fixed = { -0.5, -0.5, -0.5, 0.5, -0.125, 0.5}
+}
+
+minetest.register_node("molehills:molehill",{
+	drawtype = "mesh",
+	mesh = "molehill_molehill.obj",
+	description = S("Mole Hill"),
+	inventory_image = "molehills_side.png",
+	tiles = { "molehills_dirt.png" },
+	use_texture_alpha = "clip",
+	paramtype = "light",
+	selection_box = mh_cbox,
+	collision_box = mh_cbox,
+	groups = {crumbly=3},
+	sounds = default.node_sound_dirt_defaults(),
+})
+
+-- Crafting
+minetest.register_craft({ -- molehills --> dirt
+	output = "default:dirt",
+	recipe = {
+		{"molehills:molehill","molehills:molehill"},
+		{"molehills:molehill","molehills:molehill"},
+	}
+})
+
+-- Generating
+minetest.register_decoration({
+	decoration = {
+		"molehills:molehill"
+	},
+	fill_ratio = molehill_rarity,
+	y_min = 1,
+	y_max = 40,
+	place_on = {
+		"default:dirt_with_grass"
+	},
+	spawn_by = "air",
+	num_spawn_by = 3,
+	deco_type = "simple",
+	flags = "all_floors",
+})