-- minetest/fire/init.lua
+-- Global namespace for functions
+
+fire = {}
+
+
+-- Register flame nodes
+
minetest.register_node("fire:basic_flame", {
- description = "Fire",
- drawtype = "plantlike",
- tiles = {{
- name="fire_basic_flame_animated.png",
- animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=1},
- }},
+ 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 = 14,
- groups = {igniter=2,dig_immediate=3},
- drop = '',
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))
+ minetest.after(0, fire.update_sounds_around, pos)
+ end,
+
+ on_destruct = function(pos)
+ minetest.after(0, fire.update_sounds_around, pos)
+ end,
+
+ on_blast = function()
+ end, -- unaffected by explosions
})
-local fire = {}
-fire.D = 6
--- key: position hash of low corner of area
--- value: {handle=sound handle, name=sound name}
-fire.sounds = {}
+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 = 14,
+ walkable = false,
+ buildable_to = true,
+ sunlight_propagates = true,
+ damage_per_second = 4,
+ groups = {igniter = 2, dig_immediate = 3},
+ drop = "",
+
+ on_blast = function()
+ end,
+})
+
+
+-- Flint and steel
+
+minetest.register_tool("fire:flint_and_steel", {
+ description = "Flint and Steel",
+ inventory_image = "fire_flint_steel.png",
+ on_use = function(itemstack, user, pointed_thing)
+ local pt = pointed_thing
+ minetest.sound_play(
+ "fire_flint_and_steel",
+ {pos = pt.above, gain = 0.6, max_hear_distance = 8}
+ )
+ itemstack:add_wear(1000)
+ if pt.type == "node" then
+ local node_under = minetest.get_node(pt.under).name
+ local is_coalblock = node_under == "default:coalblock"
+ local is_tnt = node_under == "tnt:tnt"
+ local is_gunpowder = node_under == "tnt:gunpowder"
+ if minetest.get_item_group(node_under, "flammable") >= 1 or
+ is_coalblock or is_tnt or is_gunpowder then
+ local flame_pos = pt.above
+ if is_coalblock then
+ flame_pos = {x = pt.under.x, y = pt.under.y + 1, z = pt.under.z}
+ elseif is_tnt or is_gunpowder then
+ flame_pos = pt.under
+ end
+ if minetest.get_node(flame_pos).name == "air" or
+ is_tnt or is_gunpowder then
+ local player_name = user:get_player_name()
+ if not minetest.is_protected(flame_pos, player_name) then
+ if is_coalblock then
+ minetest.set_node(flame_pos,
+ {name = "fire:permanent_flame"})
+ elseif is_tnt then
+ minetest.set_node(flame_pos,
+ {name = "tnt:tnt_burning"})
+ elseif is_gunpowder then
+ minetest.set_node(flame_pos,
+ {name = "tnt:gunpowder_burning"})
+ else
+ minetest.set_node(flame_pos,
+ {name = "fire:basic_flame"})
+ end
+ else
+ minetest.chat_send_player(player_name, "This area is protected")
+ end
+ end
+ end
+ end
+ if not minetest.setting_getbool("creative_mode") then
+ 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,
+})
+
+
+-- Get sound area of position
+
+fire.D = 6 -- size of sound areas
function fire.get_area_p0p1(pos)
local p0 = {
- x=math.floor(pos.x/fire.D)*fire.D,
- y=math.floor(pos.y/fire.D)*fire.D,
- z=math.floor(pos.z/fire.D)*fire.D,
+ x = math.floor(pos.x / fire.D) * fire.D,
+ y = math.floor(pos.y / fire.D) * fire.D,
+ z = math.floor(pos.z / fire.D) * fire.D,
}
local p1 = {
- x=p0.x+fire.D-1,
- y=p0.y+fire.D-1,
- z=p0.z+fire.D-1
+ x = p0.x + fire.D - 1,
+ y = p0.y + fire.D - 1,
+ z = p0.z + fire.D - 1
}
return p0, p1
end
+
+-- Fire sounds table
+-- key: position hash of low corner of area
+-- value: {handle=sound handle, name=sound name}
+fire.sounds = {}
+
+
+-- Update fire sounds in sound area of position
+
function fire.update_sounds_around(pos)
local p0, p1 = fire.get_area_p0p1(pos)
- local cp = {x=(p0.x+p1.x)/2, y=(p0.y+p1.y)/2, z=(p0.z+p1.z)/2}
- local flames_p = minetest.env:find_nodes_in_area(p0, p1, {"fire:basic_flame"})
+ local cp = {x = (p0.x + p1.x) / 2, y = (p0.y + p1.y) / 2, z = (p0.z + p1.z) / 2}
+ local flames_p = minetest.find_nodes_in_area(p0, p1, {"fire:basic_flame"})
--print("number of flames at "..minetest.pos_to_string(p0).."/"
-- ..minetest.pos_to_string(p1)..": "..#flames_p)
local should_have_sound = (#flames_p > 0)
local wanted_sound = nil
if #flames_p >= 9 then
- wanted_sound = {name="fire_large", gain=1.5}
+ wanted_sound = {name = "fire_large", gain = 0.7}
elseif #flames_p > 0 then
- wanted_sound = {name="fire_small", gain=1.5}
+ wanted_sound = {name = "fire_small", gain = 0.9}
end
local p0_hash = minetest.hash_node_position(p0)
local sound = fire.sounds[p0_hash]
if not sound then
if should_have_sound then
fire.sounds[p0_hash] = {
- handle = minetest.sound_play(wanted_sound, {pos=cp, loop=true}),
+ handle = minetest.sound_play(wanted_sound,
+ {pos = cp, max_hear_distance = 16, loop = true}),
name = wanted_sound.name,
}
end
elseif sound.name ~= wanted_sound.name then
minetest.sound_stop(sound.handle)
fire.sounds[p0_hash] = {
- handle = minetest.sound_play(wanted_sound, {pos=cp, loop=true}),
+ handle = minetest.sound_play(wanted_sound,
+ {pos = cp, max_hear_distance = 16, loop = true}),
name = wanted_sound.name,
}
end
end
end
-function fire.on_flame_add_at(pos)
- --print("flame added at "..minetest.pos_to_string(pos))
- fire.update_sounds_around(pos)
-end
-function fire.on_flame_remove_at(pos)
- --print("flame removed at "..minetest.pos_to_string(pos))
- fire.update_sounds_around(pos)
-end
+-- Extinguish all flames quickly with water, snow, ice
-function fire.find_pos_for_flame_around(pos)
- return minetest.env:find_node_near(pos, 1, {"air"})
-end
+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 = 0.25})
+ end,
+})
-function fire.flame_should_extinguish(pos)
- --return minetest.env:find_node_near(pos, 1, {"group:puts_out_fire"})
- local p0 = {x=pos.x-2, y=pos.y, z=pos.z-2}
- local p1 = {x=pos.x+2, y=pos.y, z=pos.z+2}
- local ps = minetest.env:find_nodes_in_area(p0, p1, {"group:puts_out_fire"})
- return (#ps ~= 0)
+
+-- 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
-minetest.register_on_placenode(function(pos, newnode, placer)
- if newnode.name == "fire:basic_flame" then
- fire.on_flame_add_at(pos)
- end
-end)
+if not fire_enabled then
-minetest.register_on_dignode(function(pos, oldnode, digger)
- if oldnode.name == "fire:basic_flame" then
- fire.on_flame_remove_at(pos)
- end
-end)
+ -- Remove basic flames only
+
+ 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
+
+ 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
+ -- remove flammable nodes around flame
+ 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)
+ nodeupdate(p)
+ end
+ end
+ end,
+ })
+
+end
--- Ignite neighboring nodes
-minetest.register_abm({
- nodenames = {"group:flammable"},
- neighbors = {"group:igniter"},
- interval = 1,
- chance = 2,
- action = function(p0, node, _, _)
- -- If there is water or stuff like that around flame, don't ignite
- if fire.flame_should_extinguish(p0) then
- return
- end
- local p = fire.find_pos_for_flame_around(p0)
- if p then
- minetest.env:set_node(p, {name="fire:basic_flame"})
- fire.on_flame_add_at(p)
- end
- end,
-})
-- Rarely ignite things from far
+
+--[[ Currently disabled to reduce the chance of uncontrollable spreading
+ fires that disrupt servers. Also for less lua processing load.
+
minetest.register_abm({
nodenames = {"group:igniter"},
neighbors = {"air"},
- interval = 2,
+ interval = 5,
chance = 10,
- action = function(p0, node, _, _)
+ action = function(pos, node, active_object_count, active_object_count_wider)
local reg = minetest.registered_nodes[node.name]
if not reg or not reg.groups.igniter or reg.groups.igniter < 2 then
return
end
local d = reg.groups.igniter
- local p = minetest.env:find_node_near(p0, d, {"group:flammable"})
+ local p = minetest.find_node_near(pos, d, {"group:flammable"})
if p then
-- If there is water or stuff like that around flame, don't ignite
if fire.flame_should_extinguish(p) then
end
local p2 = fire.find_pos_for_flame_around(p)
if p2 then
- minetest.env:set_node(p2, {name="fire:basic_flame"})
- fire.on_flame_add_at(p2)
+ minetest.set_node(p2, {name = "fire:basic_flame"})
end
end
end,
})
-
--- Remove flammable nodes and flame
-minetest.register_abm({
- nodenames = {"fire:basic_flame"},
- interval = 1,
- chance = 2,
- action = function(p0, node, _, _)
- -- If there is water or stuff like that around flame, remove flame
- if fire.flame_should_extinguish(p0) then
- minetest.env:remove_node(p0)
- fire.on_flame_remove_at(p0)
- return
- end
- -- Make the following things rarer
- if math.random(1,3) == 1 then
- return
- end
- -- If there are no flammable nodes around flame, remove flame
- if not minetest.env:find_node_near(p0, 1, {"group:flammable"}) then
- minetest.env:remove_node(p0)
- fire.on_flame_remove_at(p0)
- return
- end
- if math.random(1,4) == 1 then
- -- remove a flammable node around flame
- local p = minetest.env:find_node_near(p0, 1, {"group:flammable"})
- if p then
- -- If there is water or stuff like that around flame, don't remove
- if fire.flame_should_extinguish(p0) then
- return
- end
- minetest.env:remove_node(p)
- end
- else
- -- remove flame
- minetest.env:remove_node(p0)
- fire.on_flame_remove_at(p0)
- end
- end,
-})
-
+--]]
projects / oweals / minetest_game.git / blobdiff