write something there

mods/minetest_game/fire/README.txt

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+Minetest Game mod: fire
+=======================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by Perttu Ahola (celeron55) <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest Game developers and contributors (LGPLv2.1+)
+
+Authors of media (textures and sounds)
+--------------------------------------
+Everything not listed in here:
+Copyright (C) 2012 Perttu Ahola (celeron55) <celeron55@gmail.com> (CC BY-SA 3.0)
+
+Muadtralk (CC BY-SA 3.0)
+  fire_basic_flame_animated.png
+
+Gambit (CC BY-SA 3.0)
+  fire_flint_steel.png
+
+dobroide (CC BY 3.0)
+http://www.freesound.org/people/dobroide/sounds/4211/
+  fire_small.ogg
+
+Dynamicell (CC BY 3.0)
+http://www.freesound.org/people/Dynamicell/sounds/17548/
+  fire_large.ogg
+  fire_fire.*.ogg
+
+fire_small.ogg and fire_large.ogg are unused but kept temporarily to not break
+other mods that may use them.
+
+Benboncan (CC BY 3.0)
+https://www.freesound.org/people/Benboncan/sounds/66457/
+  fire_flint_and_steel.ogg

mods/minetest_game/fire/init.lua

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+-- fire/init.lua
+
+-- Global namespace for functions
+fire = {}
+
+-- Load support for MT game translation.
+local S = minetest.get_translator("fire")
+
+-- 'Enable fire' setting
+local fire_enabled = minetest.settings:get_bool("enable_fire")
+if fire_enabled == nil then
+	-- enable_fire setting not specified, check for disable_fire
+	local fire_disabled = minetest.settings:get_bool("disable_fire")
+	if fire_disabled == nil then
+		-- Neither setting specified, check whether singleplayer
+		fire_enabled = minetest.is_singleplayer()
+	else
+		fire_enabled = not fire_disabled
+	end
+end
+
+--
+-- Items
+--
+
+-- Flood flame function
+local function flood_flame(pos, _, newnode)
+	-- Play flame extinguish sound if liquid is not an 'igniter'
+	if minetest.get_item_group(newnode.name, "igniter") == 0 then
+		minetest.sound_play("fire_extinguish_flame",
+			{pos = pos, max_hear_distance = 16, gain = 0.15}, true)
+	end
+	-- Remove the flame
+	return false
+end
+
+-- Flame nodes
+local fire_node = {
+	drawtype = "firelike",
+	tiles = {{
+		name = "fire_basic_flame_animated.png",
+		animation = {
+			type = "vertical_frames",
+			aspect_w = 16,
+			aspect_h = 16,
+			length = 1
+		}}
+	},
+	inventory_image = "fire_basic_flame.png",
+	paramtype = "light",
+	light_source = 13,
+	walkable = false,
+	buildable_to = true,
+	sunlight_propagates = true,
+	floodable = true,
+	damage_per_second = 4,
+	groups = {igniter = 2, dig_immediate = 3, fire = 1},
+	drop = "",
+	on_flood = flood_flame
+}
+
+-- Basic flame node
+local flame_fire_node = table.copy(fire_node)
+flame_fire_node.description = S("Fire")
+flame_fire_node.groups.not_in_creative_inventory = 1
+flame_fire_node.on_timer = function(pos)
+	if not minetest.find_node_near(pos, 1, {"group:flammable"}) then
+		minetest.remove_node(pos)
+		return
+	end
+	-- Restart timer
+	return true
+end
+flame_fire_node.on_construct = function(pos)
+	minetest.get_node_timer(pos):start(math.random(30, 60))
+end
+
+minetest.register_node("fire:basic_flame", flame_fire_node)
+
+-- Permanent flame node
+local permanent_fire_node = table.copy(fire_node)
+permanent_fire_node.description = S("Permanent Fire")
+
+minetest.register_node("fire:permanent_flame", permanent_fire_node)
+
+-- Flint and Steel
+minetest.register_tool("fire:flint_and_steel", {
+	description = S("Flint and Steel"),
+	inventory_image = "fire_flint_steel.png",
+	sound = {breaks = "default_tool_breaks"},
+
+	on_use = function(itemstack, user, pointed_thing)
+		local sound_pos = pointed_thing.above or user:get_pos()
+		minetest.sound_play("fire_flint_and_steel",
+			{pos = sound_pos, gain = 0.2, max_hear_distance = 8}, true)
+		local player_name = user:get_player_name()
+		if pointed_thing.type == "node" then
+			local node_under = minetest.get_node(pointed_thing.under).name
+			local nodedef = minetest.registered_nodes[node_under]
+			if not nodedef then
+				return
+			end
+			if minetest.is_protected(pointed_thing.under, player_name) then
+				minetest.record_protection_violation(pointed_thing.under, player_name)
+				return
+			end
+			if nodedef.on_ignite then
+				nodedef.on_ignite(pointed_thing.under, user)
+			elseif minetest.get_item_group(node_under, "flammable") >= 1
+					and minetest.get_node(pointed_thing.above).name == "air" then
+				if minetest.is_protected(pointed_thing.above, player_name) then
+					minetest.record_protection_violation(pointed_thing.above, player_name)
+					return
+				end
+
+				minetest.set_node(pointed_thing.above, {name = "fire:basic_flame"})
+			end
+		end
+		if not minetest.is_creative_enabled(player_name) then
+			-- Wear tool
+			local wdef = itemstack:get_definition()
+			itemstack:add_wear_by_uses(66)
+
+			-- Tool break sound
+			if itemstack:get_count() == 0 and wdef.sound and wdef.sound.breaks then
+				minetest.sound_play(wdef.sound.breaks,
+					{pos = sound_pos, gain = 0.5}, true)
+			end
+			return itemstack
+		end
+	end
+})
+
+minetest.register_craft({
+	output = "fire:flint_and_steel",
+	recipe = {
+		{"default:flint", "default:steel_ingot"}
+	}
+})
+
+-- Override coalblock to enable permanent flame above
+-- Coalblock is non-flammable to avoid unwanted basic_flame nodes
+minetest.override_item("default:coalblock", {
+	after_destruct = function(pos)
+		pos.y = pos.y + 1
+		if minetest.get_node(pos).name == "fire:permanent_flame" then
+			minetest.remove_node(pos)
+		end
+	end,
+	on_ignite = function(pos)
+		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 = "fire:permanent_flame"})
+		end
+	end
+})
+
+
+--
+-- Sound
+--
+
+-- Enable if no setting present
+local flame_sound = minetest.settings:get_bool("flame_sound", true)
+
+if flame_sound then
+	local handles = {}
+	local timer = 0
+
+	-- Parameters
+	local radius = 8 -- Flame node search radius around player
+	local cycle = 3 -- Cycle time for sound updates
+
+	-- Update sound for player
+	function fire.update_player_sound(player)
+		local player_name = player:get_player_name()
+		-- Search for flame nodes in radius around player
+		local ppos = player:get_pos()
+		local areamin = vector.subtract(ppos, radius)
+		local areamax = vector.add(ppos, radius)
+		local fpos, num = minetest.find_nodes_in_area(
+			areamin,
+			areamax,
+			{"fire:basic_flame", "fire:permanent_flame"}
+		)
+		-- Total number of flames in radius
+		local flames = (num["fire:basic_flame"] or 0) +
+			(num["fire:permanent_flame"] or 0)
+		-- Stop previous sound
+		if handles[player_name] then
+			minetest.sound_stop(handles[player_name])
+			handles[player_name] = nil
+		end
+		-- If flames
+		if flames > 0 then
+			-- Find centre of flame positions
+			local fposmid = fpos[1]
+			-- If more than 1 flame
+			if #fpos > 1 then
+				local fposmin = areamax
+				local fposmax = areamin
+				for i = 1, #fpos do
+					local fposi = fpos[i]
+					if fposi.x > fposmax.x then
+						fposmax.x = fposi.x
+					end
+					if fposi.y > fposmax.y then
+						fposmax.y = fposi.y
+					end
+					if fposi.z > fposmax.z then
+						fposmax.z = fposi.z
+					end
+					if fposi.x < fposmin.x then
+						fposmin.x = fposi.x
+					end
+					if fposi.y < fposmin.y then
+						fposmin.y = fposi.y
+					end
+					if fposi.z < fposmin.z then
+						fposmin.z = fposi.z
+					end
+				end
+				fposmid = vector.divide(vector.add(fposmin, fposmax), 2)
+			end
+			-- Play sound
+			local handle = minetest.sound_play("fire_fire", {
+				pos = fposmid,
+				to_player = player_name,
+				gain = math.min(0.06 * (1 + flames * 0.125), 0.18),
+				max_hear_distance = 32,
+				loop = true -- In case of lag
+			})
+			-- Store sound handle for this player
+			if handle then
+				handles[player_name] = handle
+			end
+		end
+	end
+
+	-- Cycle for updating players sounds
+	minetest.register_globalstep(function(dtime)
+		timer = timer + dtime
+		if timer < cycle then
+			return
+		end
+
+		timer = 0
+		local players = minetest.get_connected_players()
+		for n = 1, #players do
+			fire.update_player_sound(players[n])
+		end
+	end)
+
+	-- Stop sound and clear handle on player leave
+	minetest.register_on_leaveplayer(function(player)
+		local player_name = player:get_player_name()
+		if handles[player_name] then
+			minetest.sound_stop(handles[player_name])
+			handles[player_name] = nil
+		end
+	end)
+end
+
+
+-- Deprecated function kept temporarily to avoid crashes if mod fire nodes call it
+function fire.update_sounds_around() end
+
+--
+-- ABMs
+--
+
+if fire_enabled then
+	-- Ignite neighboring nodes, add basic flames
+	minetest.register_abm({
+		label = "Ignite flame",
+		nodenames = {"group:flammable"},
+		neighbors = {"group:igniter"},
+		interval = 7,
+		chance = 12,
+		catch_up = false,
+		action = function(pos)
+			local p = minetest.find_node_near(pos, 1, {"air"})
+			if p then
+				minetest.set_node(p, {name = "fire:basic_flame"})
+			end
+		end
+	})
+
+	-- Remove flammable nodes around basic flame
+	minetest.register_abm({
+		label = "Remove flammable nodes",
+		nodenames = {"fire:basic_flame"},
+		neighbors = "group:flammable",
+		interval = 5,
+		chance = 18,
+		catch_up = false,
+		action = function(pos)
+			local p = minetest.find_node_near(pos, 1, {"group:flammable"})
+			if not p then
+				return
+			end
+			local flammable_node = minetest.get_node(p)
+			local def = minetest.registered_nodes[flammable_node.name]
+			if def.on_burn then
+				def.on_burn(p)
+			else
+				minetest.remove_node(p)
+				minetest.check_for_falling(p)
+			end
+		end
+	})
+end

mods/minetest_game/fire/license.txt

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+License of source code
+----------------------
+
+GNU Lesser General Public License, version 2.1
+Copyright (C) 2012-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2012-2016 Various Minetest Game developers and contributors
+
+This program is free software; you can redistribute it and/or modify it under the terms
+of the GNU Lesser General Public License as published by the Free Software Foundation;
+either version 2.1 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details:
+https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
+
+
+Licenses of media (textures and sounds)
+---------------------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2012-2016 Perttu Ahola (celeron55) <celeron55@gmail.com>
+Copyright (C) 2012-2016 Muadtralk
+Copyright (C) 2013-2016 Gambit
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/
+
+-----------------------
+
+Attribution 3.0 Unported (CC BY 3.0)
+Copyright (C) 2005 dobroide
+Copyright (C) 2006 Dynamicell
+Copyright (C) 2009 Benboncan
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by/3.0/

mods/minetest_game/fire/locale/fire.de.tr

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+# textdomain: fire
+Fire=Feuer
+Permanent Fire=Permanentes Feuer
+Flint and Steel=Feuerstein und Stahl

mods/minetest_game/fire/locale/fire.eo.tr

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+# textdomain: fire
+Fire=Fajro
+Permanent Fire=Ĉiama fajro
+Flint and Steel=Siliko kaj ŝtalo

mods/minetest_game/fire/locale/fire.es.tr

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+# textdomain: fire
+Fire=Fuego
+Permanent Fire=Fuego permanente
+Flint and Steel=Yesca y pedernal

mods/minetest_game/fire/locale/fire.fr.tr

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+# textdomain: fire
+Fire=Feu
+Permanent Fire=Feu qui brûle en permanence
+Flint and Steel=Briquet à silex en acier
+
+
+##### not used anymore #####
+
+Permanent Flame=Flamme permanente

mods/minetest_game/fire/locale/fire.id.tr

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+# textdomain: fire
+Fire=Api
+Permanent Fire=Api Abadi
+Flint and Steel=Pemantik Api

mods/minetest_game/fire/locale/fire.it.tr

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+# textdomain: fire
+Fire=
+Permanent Fire=
+Flint and Steel=Acciarino
+
+
+##### not used anymore #####
+
+Permanent Flame=Fiamma permanente

mods/minetest_game/fire/locale/fire.ja.tr

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+# textdomain: fire
+Fire=炎
+Permanent Fire=燃え続ける炎
+Flint and Steel=火打ち石と打ち金

mods/minetest_game/fire/locale/fire.jbo.tr

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+# textdomain: fire
+Fire=lo fagri
+Permanent Fire=lo vitno fagri
+Flint and Steel=lo fakro'i jo'u gasta

mods/minetest_game/fire/locale/fire.lv.tr

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+# textdomain: fire
+Fire=Uguns
+Permanent Fire=Mūžīgā uguns
+Flint and Steel=Krams un zāģītis

mods/minetest_game/fire/locale/fire.ms.tr

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+# textdomain: fire
+Fire=Api
+Permanent Fire=Api Abadi
+Flint and Steel=Pemetik Api
+
+
+##### not used anymore #####
+
+Permanent Flame=Api Abadi

mods/minetest_game/fire/locale/fire.pl.tr

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+# textdomain: fire
+Fire=Ogień
+Permanent Fire=Stały ogień
+Flint and Steel=Zapalniczka

mods/minetest_game/fire/locale/fire.pt.tr

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+# textdomain: fire
+Fire=Fogo
+Permanent Fire=Fogo Permanente
+Flint and Steel=Pederneira Primitiva

mods/minetest_game/fire/locale/fire.pt_BR.tr

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+# textdomain: fire
+Fire=Fogo
+Permanent Fire=Fogo Permanente
+Flint and Steel=Pederneira Primitiva

mods/minetest_game/fire/locale/fire.ru.tr

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+# textdomain: fire
+Fire=Огонь
+Permanent Fire=Вечный огонь
+Flint and Steel=Огниво

mods/minetest_game/fire/locale/fire.sk.tr

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+# textdomain: fire
+Fire=Oheň
+Permanent Fire=Stály oheň
+Flint and Steel=Pazúrik a ocieľka

mods/minetest_game/fire/locale/fire.sv.tr

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+# textdomain: fire
+Fire=Eld
+Permanent Fire=Permanent eld
+Flint and Steel=Flinta och stål

mods/minetest_game/fire/locale/fire.uk.tr

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+# textdomain: fire
+Fire=Вогонь
+Permanent Fire=Вічний вогонь
+Flint and Steel=Кресало

mods/minetest_game/fire/locale/fire.zh_CN.tr

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+# textdomain: fire
+Fire=火焰
+Permanent Fire=永久火焰
+Flint and Steel=火石和划片

mods/minetest_game/fire/locale/fire.zh_TW.tr

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+# textdomain: fire
+Fire=火焰
+Permanent Fire=永久火焰
+Flint and Steel=火石和鋼

mods/minetest_game/fire/locale/template.txt

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+# textdomain: fire
+Fire=
+Permanent Fire=
+Flint and Steel=

mods/minetest_game/fire/mod.conf

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+name = fire
+description = Minetest Game mod: fire
+depends = default