forked from VoxeLibre/VoxeLibre
308 lines
7.9 KiB
Lua
308 lines
7.9 KiB
Lua
-- Global namespace for functions
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mcl_fire = {}
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--
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-- Items
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--
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-- Flame nodes
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local fire_help = "Fire is a damaging and destructive but short-lived kind of block. It will destroy and spread towards near flammable blocks, but fire will disappear when there is nothing to burn left. It will be extinguished by nearby water and rain. Fire can be destroyed safely by punching it, but it is hurtful if you stand directly in it."
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local eternal_fire_help = "Eternal fire is a damaging and destructive block. It will create fire around it when flammable blocks are nearby. Other than (normal) fire, an eternal fire will not go out by time alone. An eternal fire is still extinguished by punching it, by nearby water or by rain. Punching is is safe, but it hurts if you stand inside."
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minetest.register_node("mcl_fire:fire", {
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description = "Fire",
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_doc_items_longdesc = fire_help,
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drawtype = "firelike",
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tiles = {
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{
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name = "fire_basic_flame_animated.png",
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 1
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},
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},
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},
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inventory_image = "fire_basic_flame.png",
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paramtype = "light",
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-- Real light level: 15 (but Minetest caps at 14)
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light_source = 14,
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walkable = false,
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buildable_to = true,
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sunlight_propagates = true,
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damage_per_second = 1,
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groups = {igniter = 1, dig_immediate = 3, not_in_creative_inventory = 1, dig_by_piston=1},
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on_timer = function(pos)
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local f = minetest.find_node_near(pos, 1, {"group:flammable"})
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if not f then
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minetest.remove_node(pos)
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return
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end
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-- Restart timer
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return true
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end,
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drop = "",
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sounds = {},
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on_construct = function(pos)
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minetest.get_node_timer(pos):start(math.random(30, 60))
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end,
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_mcl_blast_resistance = 0,
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})
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minetest.register_node("mcl_fire:eternal_fire", {
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description = "Eternal Fire",
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_doc_items_longdesc = eternal_fire_help,
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drawtype = "firelike",
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tiles = {
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{
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name = "fire_basic_flame_animated.png",
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 1
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},
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},
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},
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inventory_image = "fire_basic_flame.png",
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paramtype = "light",
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-- Real light level: 15 (but Minetest caps at 14)
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light_source = 14,
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walkable = false,
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buildable_to = true,
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sunlight_propagates = true,
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damage_per_second = 1,
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groups = {igniter = 1, dig_immediate = 3, not_in_creative_inventory = 1, dig_by_piston = 1},
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sounds = {},
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drop = "",
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_mcl_blast_resistance = 0,
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})
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--
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-- Sound
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--
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local flame_sound = minetest.setting_getbool("flame_sound")
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if flame_sound == nil then
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-- Enable if no setting present
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flame_sound = true
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end
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if flame_sound then
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local handles = {}
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local timer = 0
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-- Parameters
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local radius = 8 -- Flame node search radius around player
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local cycle = 3 -- Cycle time for sound updates
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-- Update sound for player
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function mcl_fire.update_player_sound(player)
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local player_name = player:get_player_name()
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-- Search for flame nodes in radius around player
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local ppos = player:getpos()
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local areamin = vector.subtract(ppos, radius)
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local areamax = vector.add(ppos, radius)
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local fpos, num = minetest.find_nodes_in_area(
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areamin,
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areamax,
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{"mcl_fire:fire", "mcl_fire:eternal_fire"}
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)
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-- Total number of flames in radius
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local flames = (num["mcl_fire:fire"] or 0) +
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(num["mcl_fire:eternal_fire"] or 0)
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-- Stop previous sound
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if handles[player_name] then
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minetest.sound_stop(handles[player_name])
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handles[player_name] = nil
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end
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-- If flames
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if flames > 0 then
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-- Find centre of flame positions
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local fposmid = fpos[1]
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-- If more than 1 flame
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if #fpos > 1 then
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local fposmin = areamax
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local fposmax = areamin
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for i = 1, #fpos do
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local fposi = fpos[i]
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if fposi.x > fposmax.x then
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fposmax.x = fposi.x
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end
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if fposi.y > fposmax.y then
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fposmax.y = fposi.y
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end
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if fposi.z > fposmax.z then
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fposmax.z = fposi.z
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end
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if fposi.x < fposmin.x then
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fposmin.x = fposi.x
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end
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if fposi.y < fposmin.y then
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fposmin.y = fposi.y
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end
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if fposi.z < fposmin.z then
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fposmin.z = fposi.z
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end
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end
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fposmid = vector.divide(vector.add(fposmin, fposmax), 2)
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end
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-- Play sound
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local handle = minetest.sound_play(
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"fire_fire",
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{
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pos = fposmid,
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to_player = player_name,
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gain = math.min(0.06 * (1 + flames * 0.125), 0.18),
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max_hear_distance = 32,
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loop = true, -- In case of lag
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}
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)
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-- Store sound handle for this player
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if handle then
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handles[player_name] = handle
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end
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end
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end
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-- Cycle for updating players sounds
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minetest.register_globalstep(function(dtime)
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timer = timer + dtime
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if timer < cycle then
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return
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end
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timer = 0
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local players = minetest.get_connected_players()
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for n = 1, #players do
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mcl_fire.update_player_sound(players[n])
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end
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end)
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-- Stop sound and clear handle on player leave
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minetest.register_on_leaveplayer(function(player)
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local player_name = player:get_player_name()
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if handles[player_name] then
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minetest.sound_stop(handles[player_name])
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handles[player_name] = nil
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end
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end)
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end
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--
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-- ABMs
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--
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-- Extinguish all flames quickly with water, snow, ice
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minetest.register_abm({
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label = "Extinguish flame",
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nodenames = {"mcl_fire:fire", "mcl_fire:eternal_fire"},
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neighbors = {"group:puts_out_fire"},
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interval = 3,
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chance = 1,
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catch_up = false,
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action = function(pos, node, active_object_count, active_object_count_wider)
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minetest.remove_node(pos)
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minetest.sound_play("fire_extinguish_flame",
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{pos = pos, max_hear_distance = 16, gain = 0.15})
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end,
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})
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-- Enable the following ABMs according to 'enable fire' setting
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local fire_enabled = minetest.setting_getbool("enable_fire")
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if fire_enabled == nil then
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-- New setting not specified, check for old setting.
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-- If old setting is also not specified, 'not nil' is true.
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fire_enabled = not minetest.setting_getbool("disable_fire")
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end
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if not fire_enabled then
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-- Remove basic flames only if fire disabled
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minetest.register_abm({
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label = "Remove disabled fire",
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nodenames = {"fire:basic_flame"},
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interval = 7,
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chance = 1,
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catch_up = false,
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action = minetest.remove_node,
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})
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else -- Fire enabled
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-- Ignite neighboring nodes, add basic flames
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minetest.register_abm({
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label = "Ignite flame",
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nodenames = {"group:flammable"},
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neighbors = {"group:igniter"},
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interval = 7,
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chance = 12,
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catch_up = false,
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action = function(pos, node, active_object_count, active_object_count_wider)
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-- If there is water or stuff like that around node, don't ignite
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if minetest.find_node_near(pos, 1, {"group:puts_out_fire"}) then
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return
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end
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local p = minetest.find_node_near(pos, 1, {"air"})
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if p then
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minetest.set_node(p, {name = "mcl_fire:fire"})
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end
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end,
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})
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-- Remove flammable nodes around fire
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minetest.register_abm({
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label = "Remove flammable nodes",
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nodenames = {"mcl_fire:fire"},
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neighbors = "group:flammable",
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interval = 5,
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chance = 18,
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catch_up = false,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local p = minetest.find_node_near(pos, 1, {"group:flammable"})
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if p then
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local flammable_node = minetest.get_node(p)
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local def = minetest.registered_nodes[flammable_node.name]
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if def.on_burn then
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def.on_burn(p)
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else
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minetest.remove_node(p)
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minetest.check_for_falling(p)
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end
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end
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end,
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})
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end
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-- Set pointed_thing on fire
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mcl_fire.set_fire = function(pointed_thing)
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local n = minetest.get_node(pointed_thing.above)
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if n.name ~= "" and n.name == "air" and not minetest.is_protected(pointed_thing.above, "fire") then
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minetest.add_node(pointed_thing.above, {name="mcl_fire:fire"})
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end
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end
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minetest.register_alias("mcl_fire:basic_flame", "mcl_fire:fire")
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minetest.register_alias("fire:basic_flame", "mcl_fire:fire")
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minetest.register_alias("fire:permanent_flame", "mcl_fire:eternal_flame")
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dofile(minetest.get_modpath(minetest.get_current_modname()).."/flint_and_steel.lua")
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dofile(minetest.get_modpath(minetest.get_current_modname()).."/fire_charge.lua")
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