homedecor_modpack/fake_fire/modfiles/abms.lua

minetest.register_abm({
	nodenames = {
		"fake_fire:fake_fire",
		"fake_fire:ice_fire",
		"fake_fire:chimney_top_stone",
		"fake_fire:chimney_top_sandstone"
	},
	interval = 1,
	chance = 2,
	action = function(pos, node)
		if minetest.get_node({x=pos.x, y=pos.y+1.0, z=pos.z}).name == "air"
		  and minetest.get_node({x=pos.x, y=pos.y+2.0, z=pos.z}).name == "air" then
			local image_number = math.random(4)
			minetest.add_particlespawner({
				amount = 6, time = 1, collisiondetection = false,
				minpos = {x=pos.x-0.25, y=pos.y+0.4, z=pos.z-0.25},
				maxpos = {x=pos.x+0.25, y=pos.y+8, z=pos.z+0.25},
				minvel = {x=-0.2, y=0.3, z=-0.2}, maxvel = {x=0.2, y=1, z=0.2},
				minacc = {x=0,y=0,z=0}, maxacc = {x=0,y=0,z=0},
				minexptime = 0.5, maxexptime = 3,
				minsize = 2, maxsize = 10,
				texture = "smoke_particle_"..image_number..".png",
			})
		end
	end
})