homedecor_modpack/fake_fire/init.lua

local S = minetest.get_translator("fake_fire")

local function fire_particles_on(pos) -- 3 layers of fire
	local meta = minetest.get_meta(pos)
	local id1 = minetest.add_particlespawner({ -- 1 layer big particles fire
		amount = 9,
		time = 0,
		minpos = {x = pos.x - 0.2, y = pos.y - 0.4, z = pos.z - 0.2},
		maxpos = {x = pos.x + 0.2, y = pos.y - 0.1, z = pos.z + 0.2},
		minvel = {x= 0, y= 0, z= 0},
		maxvel = {x= 0, y= 0.1, z= 0},
		minacc = {x= 0, y= 0, z= 0},
		maxacc = {x= 0, y= 0.7, z= 0},
		minexptime = 0.5,
		maxexptime = 0.7,
		minsize = 2,
		maxsize = 5,
		collisiondetection = false,
		vertical = true,
		texture = "fake_fire_particle_anim_fire.png",
		animation = {type="vertical_frames", aspect_w=16, aspect_h=16, length = 0.8,},
	})
	meta:set_int("layer_1", id1)

	local id2 = minetest.add_particlespawner({ -- 2 layer smol particles fire
		amount = 1,
		time = 0,
		minpos = {x = pos.x - 0.1, y = pos.y, z = pos.z - 0.1},
		maxpos = {x = pos.x + 0.1, y = pos.y + 0.4, z = pos.z + 0.1},
		minvel = {x= 0, y= 0, z= 0},
		maxvel = {x= 0, y= 0.1, z= 0},
		minacc = {x= 0, y= 0, z= 0},
		maxacc = {x= 0, y= 1, z= 0},
		minexptime = 0.4,
		maxexptime = 0.6,
		minsize = 0.5,
		maxsize = 0.7,
		collisiondetection = false,
		vertical = true,
		texture = "fake_fire_particle_anim_fire.png",
		animation = {type="vertical_frames", aspect_w=16, aspect_h=16, length = 0.7,},
	})
	meta:set_int("layer_2", id2)

	local id3 = minetest.add_particlespawner({ --3 layer smoke
		amount = 1,
		time = 0,
		minpos = {x = pos.x - 0.1, y = pos.y - 0.2, z = pos.z - 0.1},
		maxpos = {x = pos.x + 0.2, y = pos.y + 0.4, z = pos.z + 0.2},
		minvel = {x= 0, y= 0, z= 0},
		maxvel = {x= 0, y= 0.1, z= 0},
		minacc = {x= 0, y= 0, z= 0},
		maxacc = {x= 0, y= 1, z= 0},
		minexptime = 0.6,
		maxexptime = 0.8,
		minsize = 2,
		maxsize = 4,
		collisiondetection = true,
		vertical = true,
		texture = "fake_fire_particle_anim_smoke.png",
		animation = {type="vertical_frames", aspect_w=16, aspect_h=16, length = 0.9,},
	})
	meta:set_int("layer_3", id3)
end

local function fire_particles_off(pos)
	local meta = minetest.get_meta(pos)
	local id_1 = meta:get_int("layer_1");
	local id_2 = meta:get_int("layer_2");
	local id_3 = meta:get_int("layer_3");
	minetest.delete_particlespawner(id_1)
	minetest.delete_particlespawner(id_2)
	minetest.delete_particlespawner(id_3)
end

local function start_fire_effects(pos, node, clicker, chimney)
	local this_spawner_meta = minetest.get_meta(pos)
	local id = this_spawner_meta:get_int("smoky")
	local s_handle = this_spawner_meta:get_int("sound")
	local above = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name

	if id ~= 0 then
		if s_handle then
			minetest.after(0, function(handle)
				minetest.sound_stop(handle)
			end, s_handle)
		end
		minetest.delete_particlespawner(id)
		this_spawner_meta:set_int("smoky", 0)
		this_spawner_meta:set_int("sound", 0)
		return
	end

	if above == "air" and (not id or id == 0) then
		id = minetest.add_particlespawner({
			amount = 4, time = 0, collisiondetection = true,
			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+5, 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=0.5,z=0},
			minexptime = 1, maxexptime = 3,
			minsize = 4, maxsize = 8,
			texture = "smoke_particle.png",
		})
		if chimney == 1 then
			this_spawner_meta:set_int("smoky", id)
			this_spawner_meta:set_int("sound", 0)
		else
			s_handle = minetest.sound_play("fire_small", {
				pos = pos,
				max_hear_distance = 5,
				loop = true
			})
			fire_particles_on(pos)
			this_spawner_meta:set_int("sound", s_handle)
		end
	end
end

local function stop_smoke(pos)
	local this_spawner_meta = minetest.get_meta(pos)
	local id = this_spawner_meta:get_int("smoky")
	local s_handle = this_spawner_meta:get_int("sound")

	if id ~= 0 then
		minetest.delete_particlespawner(id)
	end

	if s_handle then
		minetest.after(0, function(handle)
			minetest.sound_stop(handle)
		end, s_handle)
	end

	this_spawner_meta:set_int("smoky", 0)
	this_spawner_meta:set_int("sound", 0)
end

minetest.register_node("fake_fire:ice_fire", {
	inventory_image = "ice_fire_inv.png",
	description = S("Ice fire"),
	drawtype = "plantlike",
	paramtype = "light",
	paramtype2 = "facedir",
	groups = {dig_immediate=3, not_in_creative_inventory=1},
	sunlight_propagates = true,
	buildable_to = true,
	walkable = false,
	light_source = 14,
	waving = 1,
	tiles = {
		{name="ice_fire_animated.png", animation={type="vertical_frames",
		aspect_w=16, aspect_h=16, length=1.5}},
	},
	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
		start_fire_effects(pos, node, clicker)
		return itemstack
	end,
	on_destruct = function (pos)
		stop_smoke(pos)
		minetest.sound_play("fire_extinguish", {
			pos = pos, max_hear_distance = 5
		})
	end,
	drop = ""
})

minetest.register_alias("fake_fire:fake_fire", "fire:permanent_flame")

local sbox = {
	type = 'fixed',
	fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16},
}

local wtex = "default_junglewood.png"
if not minetest.get_modpath("default") then
	wtex = "[combine:16x16^[noalpha^[colorize:#563d2d"
end

minetest.register_node("fake_fire:fancy_fire", {
	inventory_image = "fancy_fire_inv.png",
	description = S("Fancy Fire"),
	drawtype = "mesh",
	mesh = "fancy_fire.obj",
	paramtype = "light",
	paramtype2 = "facedir",
	use_texture_alpha = "clip",
	groups = {oddly_breakable_by_hand=3, flammable=0},
	sunlight_propagates = true,
	light_source = 13,
	walkable = false,
	buildable_to = false,
	damage_per_second = 3,
	selection_box = sbox,
	tiles = {
		"basic_materials_concrete_block.png",
		wtex,
		"fake_fire_empty_tile.png"
	},
	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
		fire_particles_on(pos)
		return itemstack
	end,
	on_construct = function(pos)
		fire_particles_on(pos)
	end,
	on_destruct = function(pos, oldnode, oldmetadata, digger)
		fire_particles_off(pos)
		minetest.sound_play("fire_extinguish", {
			pos = pos, max_hear_distance = 5
		})
	end,
	drop = {
		max_items = 3,
		items = {
			{
				items = { "default:torch", "default:torch", "building_blocks:sticks" },
				rarity = 1,
			}
		}
	}
})

-- EMBERS
minetest.register_node("fake_fire:embers", {
    description = S("Glowing Embers"),
	tiles = {
		{name="embers_animated.png", animation={type="vertical_frames",
		aspect_w=16, aspect_h=16, length=2}},
	},
	light_source = 9,
	groups = {crumbly=3},
	paramtype = "light",
	_sound_def = {
		key = "node_sound_dirt_defaults",
	},
})

local sandstone_tex = "default_sandstone.png"
if not minetest.get_modpath("default") then
	local sname = minetest.registered_nodes["mapgen_stone"].name
	local names = sname:split(":")
	local nitem = string.gsub(names[2], "stone", "sandstone")
	if minetest.registered_nodes[names[1]..":"..nitem] then
		sandstone_tex = minetest.registered_nodes[names[1]..":"..nitem].tiles[1]
	else
		sandstone_tex = "[combine:16x16^[noalpha^[colorize:#fefebe"
	end
end

-- CHIMNEYS
local materials = {
	{ "stone",     S("Stone chimney top"), minetest.registered_nodes["mapgen_stone"].tiles[1] },
	{ "sandstone", S("Sandstone chimney top"), sandstone_tex },
}

for _, mat in ipairs(materials) do
	local name, desc, tex = unpack(mat)
	minetest.register_node("fake_fire:chimney_top_"..name, {
		description = desc,
		tiles = {tex.."^chimney_top.png", tex},
		groups = {snappy=3},
		paramtype = "light",
		_sound_def = {
			key = "node_sound_stone_defaults",
		},
		drawtype = "nodebox",
		node_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
		},
		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
			local chimney = 1
			start_fire_effects(pos, node, clicker, chimney)
			return itemstack
		end,
		on_destruct = function (pos)
			stop_smoke(pos)
		end
	})

	if minetest.get_modpath("default") then
		minetest.register_craft({
			type = "shapeless",
			output = 'fake_fire:chimney_top_'..name,
			recipe = {"default:torch", "stairs:slab_"..name}
		})
	end
end

minetest.register_alias("fake_fire:flint_and_steel", "fire:flint_and_steel")

if minetest.get_modpath("default") then
	minetest.override_item("default:ice", {
		on_ignite = function(pos, igniter)
			local flame_pos = {x = pos.x, y = pos.y + 1, z = pos.z}
			if minetest.get_node(flame_pos).name == "air" then
				minetest.set_node(flame_pos, {name = "fake_fire:ice_fire"})
			end
		end
	})
end

-- CRAFTS
if minetest.get_modpath("default") then
	minetest.register_craft({
		type = "shapeless",
		output = 'fake_fire:embers',
		recipe = {"default:torch", "group:wood", "default:torch"}
	})

	minetest.register_craft({
		type = "shapeless",
		output = 'fake_fire:fancy_fire',
		recipe = {"default:torch", "building_blocks:sticks", "default:torch" }
	})
end

-- ALIASES

minetest.register_alias("fake_fire:smokeless_fire", "fake_fire:fake_fire")
minetest.register_alias("fake_fire:smokeless_ice_fire", "fake_fire:ice_fire")
minetest.register_alias("fake_fire:smokeless_chimney_top_stone", "fake_fire:chimney_top_stone")
minetest.register_alias("fake_fire:smokeless_chimney_top_sandstone", "fake_fire:chimney_top_sandstone")
minetest.register_alias("fake_fire:flint", "fake_fire:flint_and_steel")

-- OTHER

minetest.register_lbm({
	name = "fake_fire:reload_particles",
	label = "restart fire particles on reload",
	nodenames = {"fake_fire:fancy_fire"},
	run_at_every_load = true,
	action = function(pos, node)
		fire_particles_off(pos)
		fire_particles_on(pos)
	end
})