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-- An small arsenal of tools to battle the lava craters
local S = rawget(_G, "intllib") and intllib.Getter() or function(s) return s end
local freezing_rules = {
["default:water_source"] = "default:ice",
["default:water_flowing"] = "default:snowblock",
["default:river_water_source"] = "default:ice",
["default:river_water_flowing"] = "default:snowblock",
["default:lava_source"] = "default:obsidian",
["default:lava_flowing"] = "default:stone",
["fire:basic_flame"] = "air",
["default:dirt"] = "default:dirt_with_snow",
["ethereal:fiery_dirt"] = "default:dirt_with_snow",
["ethereal:mushroom_dirt"] = "default:dirt_with_snow",
}
local function freeze(user, pos, radius)
-- if the function is used by a node: user is a string
-- if it's called by an item, user is a PlayerRef
if type(user) == 'string' then
if minetest.is_protected(pos, user) then
minetest.record_protection_violation(pos, user)
return
end
else
if minetest.is_protected(pos, user:get_player_name()) then
minetest.record_protection_violation(pos, user:get_player_name())
return
end
end
local loc = {}
local wrk = false
-- R = 2, d = 3
-- R = 10, d = 5
local depth = math.floor(0.25*radius+2.5)
for y = 0,depth,1 do
for x = -radius,radius,1 do
for z = -radius,radius,1 do
loc = {x = pos.x - x, y = pos.y - y, z = pos.z - z}
if freezing_rules[minetest.get_node(loc).name] then
wrk = true
minetest.swap_node(loc, {name = freezing_rules[minetest.get_node(loc).name]})
end
if math.random(1,5) == 5 then
if minetest.get_node({x = loc.x, y = loc.y+1, z = loc.z}).name == "air"
and minetest.get_node(loc).name ~= "air"
and minetest.get_node(loc).name ~= "stairs:slab_snowblock" then
minetest.set_node({x = loc.x, y = loc.y+1, z = loc.z}, {name = "stairs:slab_snowblock"})
end
end
end
end
end
if wrk then
minetest.sound_play("default_cool_lava", {gain = 1, pos = pos})
end
return true
end
minetest.register_craftitem(":technic:lox", {
description = S("Liquid Oxygen"),
tiles = {"technic_lox.png"},
inventory_image = "technic_lox.png",
wield_image = "technic_lox.png",
paramtype = "light",
is_ground_content = false,
walkable = false,
liquids_pointable = true,
selection_box = {
type = "fixed",
fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
},
groups = {vessel = 1, dig_immediate = 3, attached_node = 1},
sounds = default.node_sound_defaults(),
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
itemstack:take_item()
freeze(user, pointed_thing.under, 2)
local uinv = user:get_inventory()
if uinv:room_for_item("main", "vessels:steel_bottle 1") then
uinv:add_item("main", "vessels:steel_bottle 1")
else
minetest.item_drop(ItemStack("vessels:steel_bottle 1"), user, user:getpos())
end
user:set_hp(user:get_hp() - 1)
return itemstack
end
})
minetest.register_node(":technic:fbomb", {
description = S("F-Bomb"),
tiles = {"technic_fbomb.png"},
paramtype = "light",
is_ground_content = false,
walkable = false,
selection_box = {
type = "fixed",
fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
},
groups = {dig_immediate = 2, falling_node = 1},
sounds = default.node_sound_defaults(),
on_punch = function(pos, node, player, pointed_thing)
minetest.remove_node(pos)
minetest.place_node(pos, {name="technic:fbombact"})
local nm = minetest.get_meta(pos)
nm:set_string("player", player:get_player_name())
end
})
minetest.register_node(":technic:fbombact", {
description = S("F-Bomb Active"),
tiles = {"technic_fbombact.png"},
paramtype = "light",
is_ground_content = false,
walkable = false,
light_source = 3,
selection_box = {
type = "fixed",
fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
},
groups = {falling_node = 1, cracky = 1, not_in_creative_inventory = 1},
sounds = default.node_sound_defaults(),
on_construct = function(pos)
local nm = minetest.get_meta(pos)
local id = minetest.add_particlespawner({
amount = 30,
time = 0,
minpos = pos,
maxpos = pos,
minvel = {x=-2, y=0, z=-2},
maxvel = {x=2, y=0, z=2},
minacc = {x=0, y=0, z=0},
maxacc = {x=0.5, y=0, z=0.5},
minexptime = 1,
maxexptime = 5,
minsize = 1,
maxsize = 4,
collisiondetection = false,
vertical = false,
texture = "technic_snowflake.png",
glow = 2
})
nm:set_int("id", id)
local tm = minetest.get_node_timer(pos)
tm:start(5)
end,
on_timer = function(pos, elapsed)
local nm = minetest.get_meta(pos)
local pn = nm:get_string("player")
freeze(pn, pos, 10)
minetest.remove_node(pos)
return false
end,
on_destruct = function(pos)
local nm = minetest.get_meta(pos)
if (nm:get_int("id")) then
minetest.delete_particlespawner(nm:get_int("id"))
end
end,
drop = "technic:fbomb"
})
minetest.register_craft({
output = "technic:fbomb 3",
recipe = {
{ "technic:lox", "tnt:tnt", "technic:lox"},
{ "tnt:tnt", "technic:lox", "tnt:tnt"},
{ "technic:lox", "tnt:tnt", "technic:lox"}
},
})
-- since there will be a significant surplus of snow slabs, a recipe for recycling is in order
minetest.register_craft({
output = "default:snowblock",
type = "shapeless",
recipe = { "stairs:slab_snowblock", "stairs:slab_snowblock" },
})
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