musttest_game/mods/moregrass/init.lua

minetest.register_node("moregrass:darkgrass", {
	description = "Dirt With Lush Grass",
	tiles = {
		"moregrass_darkgrass_top.png", "default_dirt.png",
		{
			name = "default_dirt.png^moregrass_darkgrass_side.png",
			tileable_vertical = false
		}
	},
	groups = utility.dig_groups("dirt", {falling_node = 1, dirt_type = 1, non_raw_dirt_type = 1, non_sterile_dirt_type = 1, grassy_dirt_type = 1, soil = 1}),
	drop = 'default:dirt',
	sounds = default.node_sound_dirt_defaults({
		footstep = {name = "default_grass_footstep", gain = 0.25},
	}),

	-- Depreciated.
	--on_timer = function(...)
	--	return dirtspread.dirt_on_timer(...)
	--end,

  on_finish_collapse = function(pos, node)
    minetest.swap_node(pos, {name="default:dirt"})
  end,

	on_collapse_to_entity = function(pos, node)
		minetest.add_item(pos, {name="default:dirt"})
	end,

	movement_speed_multiplier = default.SLOW_SPEED_GRASS,
})