dfcaverns/bubblesponge/init.lua

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local S = minetest.get_translator(minetest.get_current_modname())
local print_settingtypes = false
local CONFIG_FILE_PREFIX = "bubblesponge_"
local config = {}
bubblesponge = {}
bubblesponge.config = config
local function setting(stype, name, default, description)
local value
if stype == "bool" then
value = minetest.settings:get_bool(CONFIG_FILE_PREFIX..name)
elseif stype == "string" then
value = minetest.settings:get(CONFIG_FILE_PREFIX..name)
elseif stype == "int" or stype == "float" then
value = tonumber(minetest.settings:get(CONFIG_FILE_PREFIX..name))
end
if value == nil then
value = default
end
config[name] = value
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if print_settingtypes then
minetest.debug(CONFIG_FILE_PREFIX..name.." ("..description..") "..stype.." "..tostring(default))
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end
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end
setting("int", "uses", 30, "Number of uses for a bubblesponge")
setting("int", "growth_seconds", 1000, "Number of seconds between each growth check for bubblesponge stems")
setting("int", "y_max", -300, "Maximum altitude at which bubblesponge will grow")
local function use_airtank(itemstack, user)
local breath = user:get_breath()
if breath > 9 then return itemstack end
breath = math.min(10, breath+5)
user:set_breath(breath)
minetest.sound_play("bubblesponge_bubbles", {pos = user:get_pos(), gain = 0.5})
--if not minetest.settings:get_bool("creative_mode") then
local wdef = itemstack:get_definition()
itemstack:add_wear(65535/(wdef._airtanks_uses-1))
if itemstack:get_count() == 0 then
if wdef.sound and wdef.sound.breaks then
minetest.sound_play(wdef.sound.breaks,
{pos = user:get_pos(), gain = 0.5})
end
end
--end
return itemstack
end
minetest.register_tool("bubblesponge:tank", {
description = S("Bubblesponge Frond"),
_doc_items_longdesc = S("A frond harvested from a bubblesponge."),
_doc_items_usagehelp = S("If you're underwater and you're running out of breath, wield this item and use it to replenish 5 bubbles on your breath bar. When fully charged this frond has @1 uses before it becomes empty.", config.uses),
_airtanks_uses = config.uses,
inventory_image = "bubblesponge_frond.png",
wield_image = "bubblesponge_frond.png",
stack_max = 1,
groups = {bubblesponge_tank = 1},
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on_place = function(itemstack, user, pointed_thing)
return use_airtank(itemstack, user)
end,
on_use = function(itemstack, user, pointed_thing)
return use_airtank(itemstack, user)
end,
})
minetest.register_tool("bubblesponge:bundle", {
description = S("Bubblesponge Bundle"),
_doc_items_longdesc = S("A bundle of fronds harvested from a bubblesponge."),
_doc_items_usagehelp = S("If you're underwater and you're running out of breath, wield this item and use it to replenish 5 bubbles on your breath bar. When fully charged this frond has @1 uses before it becomes empty.", config.uses * 9),
_airtanks_uses = config.uses * 9,
inventory_image = "bubblesponge_bundle.png",
wield_image = "bubblesponge_bundle.png",
stack_max = 1,
groups = {bubblesponge_tank = 1},
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on_place = function(itemstack, user, pointed_thing)
return use_airtank(itemstack, user)
end,
on_use = function(itemstack, user, pointed_thing)
return use_airtank(itemstack, user)
end,
})
minetest.register_craft({
recipe = {
{"bubblesponge:tank", "bubblesponge:tank", "bubblesponge:tank"},
{"bubblesponge:tank", "bubblesponge:tank", "bubblesponge:tank"},
{"bubblesponge:tank", "bubblesponge:tank", "bubblesponge:tank"},
},
output = "bubblesponge:bundle",
})
local water_node = df_dependencies.node_name_water_source
minetest.register_node("bubblesponge:stem", {
description = S("Bubblesponge Trunk"),
_doc_items_longdesc = S("The trunk of a massive sponge. Bubblesponges grow deep underwater in caverns and their fronds have uniquely helpful properties for divers."),
_doc_items_usagehelp = S("If you're underwater and you're running out of breath you can squeeze a lungful of air from a wielded Bubblesponge frond"),
groups = {oddly_breakable_by_hand = 1, handy = 1},
sounds = df_trees.node_sound_tree_soft_fungus_defaults(),
tiles = {"bubblesponge_bubblesponge.png"},
use_texture_alpha = "clip",
drop = {
max_items = 2,
items = {
{
rarity = 10, -- occasionally split the stem to allow farming
items = {"bubblesponge:stem"},
},
{
rarity = 1,
items = {"bubblesponge:stem"},
},
},
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},
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drawtype = "normal",
paramtype = "light",
is_ground_content = false,
light_source = 6,
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on_timer = function(pos, elapsed)
local timer = minetest.get_node_timer(pos)
elapsed = elapsed - config.growth_seconds
timer:set(config.growth_seconds, elapsed)
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if pos.y > config.y_max then
return
end
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pos.y = pos.y + 1
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if minetest.find_node_near(pos, 4, "air", true) then
return
end
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local tries = 0
while tries < 3 do
if minetest.get_node(pos).name == water_node then
minetest.set_node(pos, {name = "bubblesponge:frond"})
return
else
pos = {x = pos.x + math.random(-1, 1), y = pos.y + math.random(0, 1), z = pos.z + math.random(-1, 1)}
tries = tries + 1
end
end
end,
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on_construct = function(pos)
minetest.get_node_timer(pos):start(config.growth_seconds + math.random(-0.1, 0.1)*config.growth_seconds)
--minetest.get_node_timer(pos):set(1, config.growth_seconds * 6) -- immediate growth
end,
on_destruct = function(pos)
minetest.get_node_timer(pos):stop()
end,
})
minetest.register_node("bubblesponge:frond", {
description = S("Bubblesponge Frond"),
drawtype = "plantlike",
visual_scale = 1.2,
tiles = {"bubblesponge_growth.png"},
paramtype = "light",
sunlight_propagates = true,
walkable = false,
buildable_to = true,
groups = {snappy=3, oddly_breakable_by_hand = 1, handy = 1, not_in_creatove_inventory=1},
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sounds = df_dependencies.sound_leaves(),
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drop = "bubblesponge:tank",
})
local function use_any_airtank_in_hotbar(player)
local inv = player:get_inventory()
local hotbar = player:hud_get_hotbar_itemcount()
for i=1, hotbar do
local itemstack = inv:get_stack("main", i)
if minetest.get_item_group(itemstack:get_name(), "bubblesponge_tank") >= 1 then
itemstack = use_airtank(itemstack, player)
inv:set_stack("main", i, itemstack)
return true
end
end
return false
end
local function player_event_handler(player, eventname)
if player:is_player() and eventname == "breath_changed" and player:get_breath() < 2 then
use_any_airtank_in_hotbar(player)
end
return false
end
minetest.register_playerevent(player_event_handler)