Add age to of fire to greatly limit fire spread
This commit is contained in:
Wuzzy
parent
d13498e6f9
commit
bfb1e3e447
|
|
@ -40,6 +40,10 @@ local fire_death_messages = {
|
|||
N("@1 died in a fire."),
|
||||
}
|
||||
|
||||
local fire_timer = function(pos)
|
||||
minetest.get_node_timer(pos):start(math.random(3, 7))
|
||||
end
|
||||
|
||||
minetest.register_node("mcl_fire:fire", {
|
||||
description = S("Fire"),
|
||||
_doc_items_longdesc = fire_help,
|
||||
|
|
@ -71,37 +75,73 @@ minetest.register_node("mcl_fire:fire", {
|
|||
end
|
||||
end,
|
||||
on_timer = function(pos)
|
||||
local airs = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y-1, z=pos.z-1}, {x=pos.x+1, y=pos.y+4, z=pos.z+1}, {"air"})
|
||||
if (#airs == 0) or ((not fire_enabled) and math.random(1,3) == 1) then
|
||||
local node = minetest.get_node(pos)
|
||||
-- Age is a number from 0 to 15 and is increased every timer step.
|
||||
-- "old" fire is more likely to be extinguished
|
||||
local age = node.param2
|
||||
local flammables = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y-1, z=pos.z-1}, {x=pos.x+1, y=pos.y+4, z=pos.z+1}, {"group:flammable"})
|
||||
local below = minetest.get_node({x=pos.x, y=pos.z-1, z=pos.z})
|
||||
local below_is_flammable = minetest.get_item_group(below.name, "flammable") > 0
|
||||
-- Extinguish fire
|
||||
if (not fire_enabled) and (math.random(1,3) == 1) then
|
||||
minetest.remove_node(pos)
|
||||
return
|
||||
end
|
||||
if (not fire_enabled) then
|
||||
-- Restart timer
|
||||
minetest.get_node_timer(pos):start(math.random(3, 7))
|
||||
if age == 15 and not below_is_flammable then
|
||||
minetest.remove_node(pos)
|
||||
return
|
||||
elseif age > 3 and #flammables == 0 and not below_is_flammable and math.random(1,4) == 1 then
|
||||
minetest.remove_node(pos)
|
||||
return
|
||||
end
|
||||
local burned = false
|
||||
if math.random(1,2) == 1 then
|
||||
while #airs > 0 do
|
||||
local r = math.random(1, #airs)
|
||||
if minetest.find_node_near(airs[r], 1, {"group:flammable"}) then
|
||||
minetest.set_node(airs[r], {name="mcl_fire:fire"})
|
||||
burned = true
|
||||
break
|
||||
else
|
||||
table.remove(airs, r)
|
||||
local age_add = 1
|
||||
-- If fire spread is disabled, we have to skip the "destructive" code
|
||||
if (not fire_enabled) then
|
||||
if age + age_add <= 15 then
|
||||
node.param2 = age + age_add
|
||||
minetest.set_node(pos, node)
|
||||
end
|
||||
-- Restart timer
|
||||
fire_timer(pos)
|
||||
return
|
||||
end
|
||||
-- Spawn fire to nearby flammable nodes
|
||||
local is_next_to_flammable = minetest.find_node_near(pos, 2, {"group:flammable"}) ~= nil
|
||||
if is_next_to_flammable and math.random(1,2) == 1 then
|
||||
-- The fire we spawn copies the age of this fire.
|
||||
-- This prevents fire from spreading infinitely far as the fire fire dies off
|
||||
-- quicker the further it has spreaded.
|
||||
local age_next = math.min(15, age + math.random(0, 1))
|
||||
-- Select random type of fire spread
|
||||
local burntype = math.random(1,2)
|
||||
if burntype == 1 then
|
||||
-- Spawn fire in air
|
||||
local nodes = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y-1, z=pos.z-1}, {x=pos.x+1, y=pos.y+4, z=pos.z+1}, {"air"})
|
||||
while #nodes > 0 do
|
||||
local r = math.random(1, #nodes)
|
||||
if minetest.find_node_near(nodes[r], 1, {"group:flammable"}) then
|
||||
minetest.set_node(nodes[r], {name="mcl_fire:fire", param2 = age_next})
|
||||
break
|
||||
else
|
||||
table.remove(nodes, r)
|
||||
end
|
||||
end
|
||||
else
|
||||
-- Replace flammable node with fire
|
||||
local nodes = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y-1, z=pos.z-1}, {x=pos.x+1, y=pos.y+4, z=pos.z+1}, {"group:flammable"})
|
||||
if #nodes > 0 then
|
||||
local r = math.random(1, #nodes)
|
||||
minetest.set_node(nodes[r], {name="mcl_fire:fire", param2 = age_next})
|
||||
end
|
||||
end
|
||||
end
|
||||
if not burned then
|
||||
if math.random(1,3) == 1 then
|
||||
minetest.remove_node(pos)
|
||||
return
|
||||
end
|
||||
-- Regular age increase
|
||||
if age + age_add <= 15 then
|
||||
node.param2 = age + age_add
|
||||
minetest.set_node(pos, node)
|
||||
end
|
||||
-- Restart timer
|
||||
minetest.get_node_timer(pos):start(math.random(3, 7))
|
||||
fire_timer(pos)
|
||||
end,
|
||||
drop = "",
|
||||
sounds = {},
|
||||
|
|
@ -119,7 +159,7 @@ minetest.register_node("mcl_fire:fire", {
|
|||
mcl_portals.light_nether_portal(pos)
|
||||
end
|
||||
|
||||
minetest.get_node_timer(pos):start(math.random(3, 7))
|
||||
fire_timer(pos)
|
||||
end,
|
||||
_mcl_blast_resistance = 0,
|
||||
})
|
||||
|
|
@ -168,11 +208,11 @@ minetest.register_node("mcl_fire:eternal_fire", {
|
|||
end
|
||||
end
|
||||
-- Restart timer
|
||||
minetest.get_node_timer(pos):start(math.random(3, 7))
|
||||
fire_timer(pos)
|
||||
end,
|
||||
-- Start burning timer and light Nether portal (if possible)
|
||||
on_construct = function(pos)
|
||||
minetest.get_node_timer(pos):start(math.random(3, 7))
|
||||
fire_timer(pos)
|
||||
|
||||
if minetest.get_modpath("mcl_portals") then
|
||||
mcl_portals.light_nether_portal(pos)
|
||||
|
|
@ -369,30 +409,6 @@ else -- Fire enabled
|
|||
end,
|
||||
})
|
||||
|
||||
-- Turn flammable nodes into air
|
||||
minetest.register_abm({
|
||||
label = "Remove flammable node below fire",
|
||||
nodenames = {"group:fire"},
|
||||
neighbors = {"group:flammable"},
|
||||
interval = 5,
|
||||
chance = 18,
|
||||
catch_up = false,
|
||||
action = function(pos, node, active_object_count, active_object_count_wider)
|
||||
local p = {x=pos.x, y=pos.y-1, z=pos.z}
|
||||
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
|
||||
local g = minetest.get_item_group(flammable_node.name, "flammable")
|
||||
if g ~= -1 then
|
||||
minetest.set_node(p, {name="air"})
|
||||
minetest.check_for_falling(p)
|
||||
end
|
||||
end
|
||||
end,
|
||||
})
|
||||
|
||||
end
|
||||
|
||||
-- Set pointed_thing on (normal) fire.
|
||||
|
|
|
|||
Loading…
Reference in New Issue