366 lines
8.7 KiB
Lua
366 lines
8.7 KiB
Lua
-- Global namespace for functions
|
|
|
|
fire = {}
|
|
|
|
|
|
--
|
|
-- Items
|
|
--
|
|
|
|
-- Flame nodes
|
|
|
|
minetest.register_node("fire:basic_flame", {
|
|
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,
|
|
damage_per_second = 4,
|
|
groups = {igniter = 2, dig_immediate = 3, not_in_creative_inventory = 1},
|
|
on_timer = function(pos)
|
|
local f = minetest.find_node_near(pos, 1, {"group:flammable"})
|
|
if not f then
|
|
minetest.remove_node(pos)
|
|
return
|
|
end
|
|
-- Restart timer
|
|
return true
|
|
end,
|
|
drop = "",
|
|
|
|
on_construct = function(pos)
|
|
minetest.get_node_timer(pos):start(math.random(30, 60))
|
|
end,
|
|
})
|
|
|
|
minetest.register_node("fire:permanent_flame", {
|
|
description = "Permanent Flame",
|
|
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,
|
|
damage_per_second = 4,
|
|
groups = {igniter = 2, dig_immediate = 3},
|
|
drop = "",
|
|
})
|
|
|
|
|
|
-- Flint and steel
|
|
|
|
minetest.register_tool("fire:flint_and_steel", {
|
|
description = "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 = 0.5, max_hear_distance = 8}
|
|
)
|
|
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.chat_send_player(player_name, "This area is protected")
|
|
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
|
|
minetest.set_node(pointed_thing.above, {name = "fire:basic_flame"})
|
|
end
|
|
end
|
|
if not (creative and creative.is_enabled_for
|
|
and creative.is_enabled_for(player_name)) then
|
|
-- Wear tool
|
|
local wdef = itemstack:get_definition()
|
|
itemstack:add_wear(1000)
|
|
-- 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})
|
|
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, oldnode)
|
|
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, 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 = "fire:permanent_flame"})
|
|
end
|
|
end,
|
|
})
|
|
|
|
|
|
--
|
|
-- Sound
|
|
--
|
|
|
|
local flame_sound = minetest.setting_getbool("flame_sound")
|
|
if flame_sound == nil then
|
|
-- Enable if no setting present
|
|
flame_sound = true
|
|
end
|
|
|
|
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:getpos()
|
|
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(pos)
|
|
end
|
|
|
|
|
|
--
|
|
-- ABMs
|
|
--
|
|
|
|
-- Extinguish all flames quickly with water, snow, ice
|
|
|
|
minetest.register_abm({
|
|
label = "Extinguish flame",
|
|
nodenames = {"fire:basic_flame", "fire:permanent_flame"},
|
|
neighbors = {"group:puts_out_fire"},
|
|
interval = 3,
|
|
chance = 1,
|
|
catch_up = false,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
minetest.remove_node(pos)
|
|
minetest.sound_play("fire_extinguish_flame",
|
|
{pos = pos, max_hear_distance = 16, gain = 0.15})
|
|
end,
|
|
})
|
|
|
|
|
|
-- Enable the following ABMs according to 'enable fire' setting
|
|
|
|
local fire_enabled = minetest.setting_getbool("enable_fire")
|
|
if fire_enabled == nil then
|
|
-- enable_fire setting not specified, check for disable_fire
|
|
local fire_disabled = minetest.setting_getbool("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
|
|
|
|
if not fire_enabled then
|
|
|
|
-- Remove basic flames only if fire disabled
|
|
|
|
minetest.register_abm({
|
|
label = "Remove disabled fire",
|
|
nodenames = {"fire:basic_flame"},
|
|
interval = 7,
|
|
chance = 1,
|
|
catch_up = false,
|
|
action = minetest.remove_node,
|
|
})
|
|
|
|
else -- Fire enabled
|
|
|
|
-- 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, node, active_object_count, active_object_count_wider)
|
|
-- If there is water or stuff like that around node, don't ignite
|
|
if minetest.find_node_near(pos, 1, {"group:puts_out_fire"}) then
|
|
return
|
|
end
|
|
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, node, active_object_count, active_object_count_wider)
|
|
local p = minetest.find_node_near(pos, 1, {"group:flammable"})
|
|
if p then
|
|
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,
|
|
})
|
|
|
|
end
|