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MineClone2/mods/ITEMS/mcl_fire/init.lua

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-- Global namespace for functions
mcl_fire = {}
--
-- Items
--
-- Flame nodes
minetest.register_node("mcl_fire:fire", {
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description = "Fire",
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drawtype = "firelike",
tiles = {
{
name = "fire_basic_flame_animated.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 1
},
},
},
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inventory_image = "fire_basic_flame.png",
paramtype = "light",
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-- Real light level: 15 (but Minetest caps at 14)
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light_source = 14,
walkable = false,
buildable_to = true,
sunlight_propagates = true,
damage_per_second = 1,
groups = {igniter = 1, 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 = "",
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sounds = {},
on_construct = function(pos)
minetest.get_node_timer(pos):start(math.random(30, 60))
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end,
_mcl_blast_resistance = 0,
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})
minetest.register_node("mcl_fire:eternal_fire", {
description = "Eternal Fire",
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",
-- Real light level: 15 (but Minetest caps at 14)
light_source = 14,
walkable = false,
buildable_to = true,
sunlight_propagates = true,
damage_per_second = 1,
groups = {igniter = 1, dig_immediate = 3, not_in_creative_inventory = 1},
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sounds = {},
drop = "",
_mcl_blast_resistance = 0,
})
--
-- Sound
--
local flame_sound = minetest.setting_getbool("flame_sound")
if flame_sound == nil then
-- Enable if no setting present
flame_sound = true
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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 mcl_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,
{"mcl_fire:fire", "mcl_fire:eternal_fire"}
)
-- Total number of flames in radius
local flames = (num["mcl_fire:fire"] or 0) +
(num["mcl_fire:eternal_fire"] or 0)
-- Stop previous sound
if handles[player_name] then
minetest.sound_stop(handles[player_name])
handles[player_name] = nil
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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
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end
end
-- Cycle for updating players sounds
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minetest.register_globalstep(function(dtime)
timer = timer + dtime
if timer < cycle then
return
end
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timer = 0
local players = minetest.get_connected_players()
for n = 1, #players do
mcl_fire.update_player_sound(players[n])
end
end)
-- Stop sound and clear handle on player leave
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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)
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end
--
-- ABMs
--
-- Extinguish all flames quickly with water, snow, ice
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minetest.register_abm({
label = "Extinguish flame",
nodenames = {"mcl_fire:fire", "mcl_fire:eternal_fire"},
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})
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end,
})
-- Enable the following ABMs according to 'enable fire' setting
local fire_enabled = minetest.setting_getbool("enable_fire")
if fire_enabled == nil then
-- New setting not specified, check for old setting.
-- If old setting is also not specified, 'not nil' is true.
fire_enabled = not minetest.setting_getbool("disable_fire")
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
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return
end
local p = minetest.find_node_near(pos, 1, {"air"})
if p then
minetest.set_node(p, {name = "mcl_fire:fire"})
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end
end,
})
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-- Remove flammable nodes around fire
minetest.register_abm({
label = "Remove flammable nodes",
nodenames = {"mcl_fire:fire"},
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"})
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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)
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end
end
end,
})
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end
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-- Set pointed_thing on fire
mcl_fire.set_fire = function(pointed_thing)
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local n = minetest.get_node(pointed_thing.above)
if n.name ~= "" and n.name == "air" and not minetest.is_protected(pointed_thing.above, "fire") then
minetest.add_node(pointed_thing.above, {name="mcl_fire:fire"})
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end
end
minetest.register_alias("mcl_fire:basic_flame", "mcl_fire:fire")
minetest.register_alias("fire:basic_flame", "mcl_fire:fire")
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")