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MineClone2/mods/ITEMS/mcl_ocean/kelp.lua

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-- TODO: whenever it becomes possible to fully implement kelp without the
-- plantlike_rooted limitation, please update accordingly.
--
-- TODO: whenever it becomes possible to make kelp grow infinitely without
-- resorting to making intermediate kelp stem node, please update accordingly.
--
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-- TODO: In MC, you can't actually destroy kelp by bucket'ing water in the middle.
-- However, because of the plantlike_rooted hack, we'll just allow it for now.
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local S = minetest.get_translator("mcl_ocean")
local mod_doc = minetest.get_modpath("doc") ~= nil
--------------------------------------------------------------------------------
-- local-ify runtime functions
--------------------------------------------------------------------------------
-- objects
local mt_registered_items = minetest.registered_items
local mt_registered_nodes = minetest.registered_nodes
-- functions
local mt_log = minetest.log
local mt_add_item = minetest.add_item
local mt_get_item_group = minetest.get_item_group
local mt_get_node = minetest.get_node
local mt_get_node_level = minetest.get_node_level
local mt_get_node_max_level = minetest.get_node_max_level
local mt_get_node_or_nil = minetest.get_node_or_nil
local mt_get_node_timer = minetest.get_node_timer
local mt_get_meta = minetest.get_meta
local mt_hash_node_position = minetest.hash_node_position
local mt_set_node = minetest.set_node
local mt_swap_node = minetest.swap_node
local mt_pos_to_string = minetest.pos_to_string
local mt_is_protected = minetest.is_protected
local mt_record_protection_violation = minetest.record_protection_violation
local mt_is_creative_enabled = minetest.is_creative_enabled
local mt_sound_play = minetest.sound_play
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local math = math
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--local string = string
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local table = table
-- DEBUG: functions
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-- local log = minetest.log
-- local chatlog = minetest.chat_send_all
--------------------------------------------------------------------------------
-- Kelp API
--------------------------------------------------------------------------------
local kelp = {}
mcl_ocean.kelp = kelp
-- Kelp minimum and maximum age. Once reached the maximum, kelp no longer grows.
kelp.MIN_AGE = 0
kelp.MAX_AGE = 25
-- Tick interval (in seconds) for updating kelp.
kelp.TICK = 0.2
-- Tick interval (in seconds) to store kelp meta.
kelp.META_TICK = 2
-- Max age queue length
kelp.MAX_AGE_QUEUE = 20
-- The average amount of growth for kelp in a day is 2.16 (https://youtu.be/5Bp4lAjAk3I)
-- Normally, a day lasts 20 minutes, meaning kelp.next_grow() is executed
-- 1200 / TICK times. Per tick probability = (216/100) / (1200/TICK)
-- NOTE: currently, we can't exactly use the same type of randomness MC does, because
-- it has multiple complicated sets of PRNGs.
-- NOTE: Small loss of precision, should be 10 to preserve it.
-- kelp.ROLL_GROWTH_PRECISION = 10
-- kelp.ROLL_GROWTH_NUMERATOR = 216 * kelp.TICK * kelp.ROLL_GROWTH_PRECISION
-- kelp.ROLL_GROWTH_DENOMINATOR = 100 * 1200 * kelp.ROLL_GROWTH_PRECISION
kelp.ROLL_GROWTH_PRECISION = 1
kelp.ROLL_GROWTH_NUMERATOR = 216 * kelp.TICK
kelp.ROLL_GROWTH_DENOMINATOR = 100 * 1200
-- Sounds used to dig and place kelp.
kelp.leaf_sounds = mcl_sounds.node_sound_leaves_defaults()
-- Pool storing nodetimers
kelp.timers_pool = {}
-- Pool storing age, indexed by pos_hash.
kelp.age_pool = {}
-- Queue(List) of hashed positions to save their ages.
-- Invalid ones may still persist in this queue.
kelp.age_queue = {}
-- Stores only valid positions of each hashed postiions.
kelp.age_queue_pos = {}
-- is age in the growable range?
function kelp.is_age_growable(age)
return age >= 0 and age < kelp.MAX_AGE
end
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-- Is this water?
-- Returns the liquidtype, if indeed water.
function kelp.is_submerged(node)
if mt_get_item_group(node.name, "water") ~= 0 then
-- Expected only "source" and "flowing" from water liquids
return mt_registered_nodes[node.name].liquidtype
end
return false
end
-- Is the water downward flowing?
-- (kelp can grow/be placed inside downward flowing water)
function kelp.is_downward_flowing(pos, node, pos_above, node_above, __is_above__)
-- Function params: (pos[, node]) or (node, pos_above) or (node, node_above)
local node = node or mt_get_node(pos)
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local result = (math.floor(node.param2 / 8) % 2) == 1
if not (result or __is_above__) then
-- If not, also check node above.
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-- (this is needed due a weird quirk in the definition of "downwards flowing"
-- liquids in Minetest)
local pos_above = pos_above or {x=pos.x,y=pos.y+1,z=pos.z}
local node_above = node_above or mt_get_node(pos_above)
result = kelp.is_submerged(node_above)
or kelp.is_downward_flowing(nil, node_above, nil, nil, true)
end
return result
end
-- Will node fall at that position?
-- This only checks if a node would fall, meaning that node need not be at pos.
function kelp.is_falling(pos, node, is_falling, pos_bottom, node_bottom, def_bottom)
-- Optional params: is_falling, pos_bottom, node_bottom, def_bottom
-- NOTE: Modified from check_single_for_falling in builtin.
-- Please update accordingly.
local nodename = node.name
if is_falling == false or
is_falling == nil and mt_get_item_group(nodename, "falling_node") == 0 then
return false
end
local pos_bottom = pos_bottom or {x = pos.x, y = pos.y - 1, z = pos.z}
-- get_node_or_nil: Only fall if node below is loaded
local node_bottom = node_bottom or mt_get_node_or_nil(pos_bottom)
local nodename_bottom = node_bottom.name
local def_bottom = def_bottom or node_bottom and mt_registered_nodes[nodename_bottom]
if not def_bottom then
return false
end
local same = nodename == nodename_bottom
-- Let leveled nodes fall if it can merge with the bottom node
if same and def_bottom.paramtype2 == "leveled" and
mt_get_node_level(pos_bottom) <
mt_get_node_max_level(pos_bottom) then
return true
end
-- Otherwise only if the bottom node is considered "fall through"
if not same and
(not def_bottom.walkable or def_bottom.buildable_to) and
(mt_get_item_group(nodename, "float") == 0 or
def_bottom.liquidtype == "none") then
return true
end
return false
end
-- Roll whether to grow kelp or not.
function kelp.roll_growth(numerator, denominator)
-- Optional params: numerator, denominator
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return math.random(denominator or kelp.ROLL_GROWTH_DENOMINATOR) <= (numerator or kelp.ROLL_GROWTH_NUMERATOR)
end
-- Roll initial age for kelp.
function kelp.roll_init_age(min, max)
-- Optional params
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return math.random(min or kelp.MIN_AGE, (max or kelp.MAX_AGE)-1)
end
-- Converts param2 to kelp height.
-- For the special case where the max param2 is reached, interpret that as the
-- 16th kelp stem.
function kelp.get_height(param2)
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return math.floor(param2 / 16) + math.floor(param2 % 16 / 8)
end
-- Obtain pos and node of the tip of kelp.
function kelp.get_tip(pos, height)
-- Optional params: height
local height = height or kelp.get_height(mt_get_node(pos).param2)
local pos_tip = {x=pos.x, y=pos.y+height+1, z=pos.z}
return pos_tip, mt_get_node(pos_tip), height
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end
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-- Obtain position of the first kelp unsubmerged.
function kelp.find_unsubmerged(pos, node, height)
-- Optional params: node, height
local node = node or mt_get_node(pos)
local height = height or ((node.param2 >= 0 and node.param2 < 16) and 1) or kelp.get_height(node.param2)
local walk_pos = {x=pos.x, z=pos.z}
local y = pos.y
for i=1,height do
walk_pos.y = y + i
local walk_node = mt_get_node(walk_pos)
if not kelp.is_submerged(walk_node) then
return walk_pos, walk_node, height, i
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end
end
return nil, nil, height, height
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end
-- Obtain next param2.
function kelp.next_param2(param2)
-- param2 max value is 255, so adding to 256 causes overflow.
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return math.min(param2+16 - param2 % 16, 255);
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end
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-- Stores age from kelp.age_queue* into their respective meta
function kelp.store_meta()
local count = 0
for _ in pairs(kelp.age_queue_pos) do
count = count + 1
end
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-- chatlog(string.format("Storing age metadata: %d in queue", #kelp.age_queue))
-- chatlog(string.format("Storing age metadata: %d valid in queue", count))
for i=1,#kelp.age_queue do
local pos_hash = kelp.age_queue[i]
local pos = kelp.age_queue_pos[pos_hash]
-- queued hashes may no longer point to a valid pos, e.g. kelp is destroyed.
if pos then
mt_get_meta(pos):set_int("mcl_ocean:kelp_age", kelp.age_pool[pos_hash])
end
end
kelp.age_queue = {}
kelp.age_queue_pos = {}
end
-- Store and queue a kelp's age to be saved into meta later.
function kelp.store_age(age, pos, pos_hash)
-- Watched params: pos
-- Optional params: pos_hash
local pos_hash = pos_hash or mt_hash_node_position(pos)
kelp.age_pool[pos_hash] = age
if not kelp.age_queue_pos[pos_hash] then
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table.insert(kelp.age_queue, pos_hash)
kelp.age_queue_pos[pos_hash] = pos
return true, pos_hash
end
return false, pos_hash
end
-- Initialise a kelp's age.
function kelp.init_age(pos, age, pos_hash, meta)
-- Watched params: pos
-- Optional params: age, pos_hash, meta
local pos_hash = pos_hash or mt_hash_node_position(pos)
local meta = meta or mt_get_meta(pos)
local age = age
if age then
kelp.store_age(age, pos, pos_hash)
elseif not meta:contains("mcl_ocean:kelp_age") then
age = kelp.roll_init_age()
kelp.store_age(age, pos, pos_hash)
else
age = meta:get_int("mcl_ocean:kelp_age")
if not kelp.age_pool[pos_hash] then
kelp.age_pool[pos_hash] = age
end
end
return age, pos_hash, meta
end
-- Initialise kelp nodetimer.
function kelp.init_timer(pos, pos_hash)
-- Optional params: pos_hash
local pos_hash = pos_hash or mt_hash_node_position(pos)
local timer = kelp.timers_pool[pos_hash]
if not timer then
timer = mt_get_node_timer(pos)
kelp.timers_pool[pos_hash] = timer
end
if not timer:is_started() then
timer:start(kelp.TICK)
end
return pos_hash
end
-- Apply next kelp height. The surface is swapped. so on_construct is skipped.
function kelp.next_height(pos, node, pos_tip, node_tip, submerged, downward_flowing)
-- Modified params: node
-- Optional params: node, set_node, pos_tip, node_tip, submerged, downward_flowing
local node = node or mt_get_node(pos)
local pos_tip = pos_tip
local node_tip = node_tip or (pos_tip and mt_get_node(pos_tip))
if not pos_tip then
pos_tip,node_tip = kelp.get_tip(pos)
end
local downward_flowing = downward_flowing or
(submerged or kelp.is_submerged(node_tip)
and kelp.is_downward_flowing(pos_tip, node_tip))
-- Liquid source: Grow normally.
node.param2 = kelp.next_param2(node.param2)
mt_swap_node(pos, node)
-- Flowing liquid: Grow 1 step, but also turn the tip node into a liquid source.
if downward_flowing then
local alt_liq = mt_registered_nodes[node_tip.name].liquid_alternative_source
if alt_liq then
mt_set_node(pos_tip, {name=alt_liq})
end
end
return node, pos_tip, node_tip, submerged, downward_flowing
end
-- Grow next kelp.
function kelp.next_grow(age, pos, node, pos_hash, pos_tip, node_tip, submerged, downward_flowing)
-- Watched params: pos
-- Modified params: node
-- Optional params: node, pos_hash, pos_tip, node_tip, submerged, downward_flowing
local node = node or mt_get_node(pos)
local pos_hash = pos_hash or mt_hash_node_position(pos)
local pos_tip = pos_tip
local node_tip = node_tip or (pos_tip and mt_get_node(pos_tip))
if not pos_tip then
pos_tip,node_tip = kelp.get_tip(pos)
end
-- New kelp must also be submerged in water.
local downward_flowing = downward_flowing or kelp.is_downward_flowing(pos_tip, node_tip)
if not (submerged or kelp.is_submerged(node_tip)) then
return
end
kelp.next_height(pos, node, pos_tip, node_tip, submerged, downward_flowing)
return kelp.store_age(age, pos, pos_hash), node, pos_hash, pos_tip, node_tip, submerged, downward_flowing
end
-- Drops the items for detached kelps.
function kelp.detach_drop(pos, height)
-- Optional params: height
local height = height or kelp.get_height(mt_get_node(pos).param2)
local y = pos.y
local walk_pos = {x=pos.x, z=pos.z}
for i=1,height do
walk_pos.y = y+i
mt_add_item(walk_pos, "mcl_ocean:kelp")
end
return true
end
-- Detach the kelp at dig_pos, and drop their items.
-- Synonymous to digging the kelp.
-- NOTE: this is intended for whenever kelp truly becomes segmented plants
-- instead of rooted to the floor. Don't try to remove dig_pos.
function kelp.detach_dig(dig_pos, pos, drop, node, height)
-- Optional params: drop, node, height
local node = node or mt_get_node(pos)
local height = height or kelp.get_height(node.param2)
-- pos.y points to the surface, offset needed to point to the first kelp.
local new_height = dig_pos.y - (pos.y+1)
-- Digs the entire kelp.
if new_height <= 0 then
if drop then
kelp.detach_drop(dig_pos, height)
end
mt_set_node(pos, {
name=mt_registered_nodes[node.name].node_dig_prediction,
param=node.param,
param2=0 })
-- Digs the kelp beginning at a height.
else
if drop then
kelp.detach_drop(dig_pos, height - new_height)
end
mt_swap_node(pos, {name=node.name, param=node.param, param2=16*new_height})
end
end
--------------------------------------------------------------------------------
-- Kelp callback functions
--------------------------------------------------------------------------------
function kelp.surface_on_dig(pos, node, digger)
kelp.detach_dig(pos, pos, true, node)
end
function kelp.surface_after_dig_node(pos, node)
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return mt_set_node(pos, {name=minetest.registered_nodes[node.name].node_dig_prediction})
end
function kelp.surface_on_timer(pos)
local node = mt_get_node(pos)
local pos_hash
-- Update detahed kelps
local dig_pos,_, height = kelp.find_unsubmerged(pos, node)
if dig_pos then
pos_hash = mt_hash_node_position(pos)
mt_sound_play(mt_registered_nodes[node.name].sounds.dug, { gain = 0.5, pos = dig_pos }, true)
kelp.detach_dig(dig_pos, pos, true, node, height)
kelp.store_age(kelp.roll_init_age(), pos, pos_hash)
end
-- Grow kelp on chance
if kelp.roll_growth() then
pos_hash = pos_hash or mt_hash_node_position(pos)
local age = kelp.age_pool[pos_hash]
if kelp.is_age_growable(age) then
kelp.next_grow(age+1, pos, node, pos_hash)
end
end
return true
end
function kelp.surface_on_construct(pos)
local pos_hash = mt_hash_node_position(pos)
kelp.init_age(pos, nil, pos_hash)
kelp.init_timer(pos, pos_hash)
end
function kelp.surface_on_destruct(pos)
local node = mt_get_node(pos)
local pos_hash = mt_hash_node_position(pos)
-- on_falling callback. Activated by pistons for falling nodes too.
if kelp.is_falling(pos, node) then
kelp.detach_drop(pos, kelp.get_height(node.param2))
end
-- Removes position from queue
kelp.age_queue_pos[pos_hash] = nil
end
function kelp.surface_on_mvps_move(pos, node, oldpos, nodemeta)
-- Pistons moving falling nodes will have already activated on_falling callback.
kelp.detach_dig(pos, pos, mt_get_item_group(node.name, "falling_node") ~= 1, node)
end
-- NOTE: Old ABM implementation.
-- local function surface_unsubmerged_abm(pos, node)
-- local dig_pos = find_unsubmerged(pos, node)
-- if dig_pos then
-- detach_dig(dig_pos, pos, node, true)
-- end
-- return true
-- end
function kelp.kelp_on_place(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" or not placer then
return itemstack
end
local player_name = placer:get_player_name()
local pos_under = pointed_thing.under
local pos_above = pointed_thing.above
local node_under = mt_get_node(pos_under)
local nu_name = node_under.name
local def_under = mt_registered_nodes[nu_name]
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-- Allow rightclick to override place.
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if def_under and def_under.on_rightclick and not placer:get_player_control().sneak then
return def_under.on_rightclick(pos_under, node_under,
placer, itemstack, pointed_thing) or itemstack
end
-- Protection
if mt_is_protected(pos_under, player_name) or
mt_is_protected(pos_above, player_name) then
mt_log("action", player_name
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.. " tried to place " .. itemstack:get_name()
.. " at protected position "
.. mt_pos_to_string(pos_under))
mt_record_protection_violation(pos_under, player_name)
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return itemstack
end
local pos_tip, node_tip, def_tip, new_surface, height
-- Kelp must also be placed on the top/tip side of the surface/kelp
if pos_under.y >= pos_above.y then
return itemstack
end
-- When placed on kelp.
if mt_get_item_group(nu_name, "kelp") == 1 then
height = kelp.get_height(node_under.param2)
pos_tip,node_tip = kelp.get_tip(pos_under, height)
def_tip = mt_registered_nodes[node_tip.name]
-- When placed on surface.
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else
new_surface = false
for _,surface in pairs(kelp.surfaces) do
if nu_name == surface.nodename then
node_under.name = "mcl_ocean:kelp_" ..surface.name
node_under.param2 = 0
new_surface = true
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break
end
end
-- Surface must support kelp
if not new_surface then
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return itemstack
end
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pos_tip = pos_above
node_tip = mt_get_node(pos_above)
def_tip = mt_registered_nodes[node_tip.name]
height = 0
end
-- Next kelp must also be submerged in water.
local downward_flowing = kelp.is_downward_flowing(pos_tip, node_tip)
local submerged = kelp.is_submerged(node_tip)
if not submerged then
return itemstack
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end
-- Play sound, place surface/kelp and take away an item
local def_node = mt_registered_items[nu_name]
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if def_node.sounds then
mt_sound_play(def_node.sounds.place, { gain = 0.5, pos = pos_under }, true)
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end
-- TODO: get rid of rooted plantlike hack
if height < 16 then
kelp.next_height(pos_under, node_under, pos_tip, node_tip, def_tip, submerged, downward_flowing)
else
mt_add_item(pos_tip, "mcl_ocean:kelp")
end
if not mt_is_creative_enabled(player_name) then
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itemstack:take_item()
end
-- Initialize age and timer when it's planted on a new surface.
local pos_hash = mt_hash_node_position(pos_under)
if new_surface then
kelp.init_age(pos_under, nil, pos_hash)
kelp.init_timer(pos_under, pos_hash)
else
kelp.store_age(kelp.roll_init_age(), pos_under, pos_hash)
end
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return itemstack
end
function kelp.lbm_register_nodetimer(pos, node)
local pos_hash = mt_hash_node_position(pos)
kelp.init_age(pos, nil, pos_hash)
kelp.init_timer(pos, pos_hash)
end
local gstep_time = 0
function kelp.globalstep(dtime)
if #kelp.age_queue > kelp.MAX_AGE_QUEUE then
kelp.store_meta()
end
gstep_time = gstep_time + dtime
if gstep_time < kelp.META_TICK then
return
end
gstep_time = 0
if #kelp.age_queue > 0 then
kelp.store_meta()
end
end
function kelp.on_shutdown()
if #kelp.age_queue > 0 then
kelp.store_meta()
end
end
--------------------------------------------------------------------------------
-- Kelp registration API
--------------------------------------------------------------------------------
-- List of supported surfaces for seagrass and kelp.
kelp.surfaces = {
{ name="dirt", nodename="mcl_core:dirt", },
{ name="sand", nodename="mcl_core:sand", },
{ name="redsand", nodename="mcl_core:redsand", },
{ name="gravel", nodename="mcl_core:gravel", },
}
kelp.registered_surfaces = {}
-- Commented properties are the ones obtained using register_kelp_surface.
-- If you define your own properties, it overrides the default ones.
kelp.surface_deftemplate = {
drawtype = "plantlike_rooted",
paramtype = "light",
paramtype2 = "leveled",
place_param2 = 16,
--tiles = def.tiles,
special_tiles = {
{
image = "mcl_ocean_kelp_plant.png",
animation = {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0},
tileable_vertical = true,
}
},
--inventory_image = "("..def.tiles[1]..")^mcl_ocean_kelp_item.png",
wield_image = "mcl_ocean_kelp_item.png",
selection_box = {
type = "fixed",
fixed = {
{ -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
{ -0.5, 0.5, -0.5, 0.5, 1.5, 0.5 },
},
},
-- groups.falling_node = is_falling,
groups = { dig_immediate = 3, deco_block = 1, plant = 1, kelp = 1, },
--sounds = sounds,
--node_dig_prediction = nodename,
on_construct = kelp.surface_on_construct,
on_destruct = kelp.surface_on_destruct,
on_dig = kelp.surface_on_dig,
after_dig_node = kelp.surface_after_dig_node,
on_timer = kelp.surface_on_timer,
mesecon = { on_mvps_move = kelp.surface_on_mvps_move, },
drop = "", -- drops are handled in on_dig
--_mcl_falling_node_alternative = is_falling and nodename or nil,
_mcl_hardness = 0,
_mcl_blast_resistance = 0,
}
-- Commented properties are the ones obtained using register_kelp_surface.
kelp.surface_docs = {
-- entry_id_orig = nodename,
_doc_items_entry_name = S("Kelp"),
_doc_items_longdesc = S("Kelp grows inside water on top of dirt, sand or gravel."),
--_doc_items_create_entry = doc_create,
_doc_items_image = "mcl_ocean_kelp_item.png",
}
-- Creates new surfaces.
-- NOTE: surface_deftemplate will be modified in-place.
function kelp.register_kelp_surface(surface, surface_deftemplate, surface_docs)
local name = surface.name
local nodename = surface.nodename
local def = mt_registered_nodes[nodename]
local def_tiles = def.tiles
local surfacename = "mcl_ocean:kelp_"..name
local surface_deftemplate = surface_deftemplate or kelp.surface_deftemplate -- Optional param
local doc_create = surface.doc_create or false
local surface_docs = surface_docs or kelp.surface_docs -- Optional param
if doc_create then
surface_deftemplate._doc_items_entry_name = surface_docs._doc_items_entry_name
surface_deftemplate._doc_items_longdesc = surface_docs._doc_items_longdesc
surface_deftemplate._doc_items_create_entry = true
surface_deftemplate._doc_items_image = surface_docs._doc_items_image
-- Sets the first surface as the docs' entry ID
if not surface_docs.entry_id_orig then
surface_docs.entry_id_orig = nodename
end
elseif mod_doc then
doc.add_entry_alias("nodes", surface_docs.entry_id_orig, "nodes", surfacename)
end
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local sounds = table.copy(def.sounds)
sounds.dig = kelp.leaf_sounds.dig
sounds.dug = kelp.leaf_sounds.dug
sounds.place = kelp.leaf_sounds.place
surface_deftemplate.tiles = surface_deftemplate.tiles or def_tiles
surface_deftemplate.inventory_image = surface_deftemplate.inventory_image or "("..def_tiles[1]..")^mcl_ocean_kelp_item.png"
surface_deftemplate.sounds = surface_deftemplate.sound or sounds
local falling_node = mt_get_item_group(nodename, "falling_node")
surface_deftemplate.node_dig_prediction = surface_deftemplate.node_dig_prediction or nodename
surface_deftemplate.groups.falling_node = surface_deftemplate.groups.falling_node or falling_node
surface_deftemplate._mcl_falling_node_alternative = surface_deftemplate._mcl_falling_node_alternative or (falling_node and nodename or nil)
minetest.register_node(surfacename, surface_deftemplate)
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end
-- Kelp surfaces nodes ---------------------------------------------------------
-- Dirt must be registered first, for the docs
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kelp.register_kelp_surface(kelp.surfaces[1], table.copy(kelp.surface_deftemplate), kelp.surface_docs)
for i=2, #kelp.surfaces do
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kelp.register_kelp_surface(kelp.surfaces[i], table.copy(kelp.surface_deftemplate), kelp.surface_docs)
end
-- Kelp item -------------------------------------------------------------------
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minetest.register_craftitem("mcl_ocean:kelp", {
description = S("Kelp"),
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_tt_help = S("Grows in water on dirt, sand, gravel"),
_doc_items_create_entry = false,
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inventory_image = "mcl_ocean_kelp_item.png",
wield_image = "mcl_ocean_kelp_item.png",
on_place = kelp.kelp_on_place,
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groups = { deco_block = 1 },
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})
if mod_doc then
doc.add_entry_alias("nodes", kelp.surface_docs.entry_id_orig, "craftitems", "mcl_ocean:kelp")
end
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-- Dried kelp ------------------------------------------------------------------
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-- TODO: This is supposed to be eaten very fast
minetest.register_craftitem("mcl_ocean:dried_kelp", {
description = S("Dried Kelp"),
_doc_items_longdesc = S("Dried kelp is a food item."),
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inventory_image = "mcl_ocean_dried_kelp.png",
wield_image = "mcl_ocean_dried_kelp.png",
groups = { food = 2, eatable = 1 },
on_place = minetest.item_eat(1),
on_secondary_use = minetest.item_eat(1),
_mcl_saturation = 0.6,
})
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local mod_screwdriver = minetest.get_modpath("screwdriver") ~= nil
local on_rotate
if mod_screwdriver then
on_rotate = screwdriver.rotate_3way
end
minetest.register_node("mcl_ocean:dried_kelp_block", {
description = S("Dried Kelp Block"),
_doc_items_longdesc = S("A decorative block that serves as a great furnace fuel."),
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tiles = { "mcl_ocean_dried_kelp_top.png", "mcl_ocean_dried_kelp_bottom.png", "mcl_ocean_dried_kelp_side.png" },
groups = { handy = 1, hoey = 1, building_block = 1, flammable = 2, fire_encouragement = 30, fire_flammability = 60 },
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sounds = mcl_sounds.node_sound_leaves_defaults(),
paramtype2 = "facedir",
on_place = mcl_util.rotate_axis,
on_rotate = on_rotate,
_mcl_hardness = 0.5,
_mcl_blast_resistance = 12.5,
})
minetest.register_craft({
type = "cooking",
recipe = "mcl_ocean:kelp",
output = "mcl_ocean:dried_kelp",
cooktime = 10,
})
minetest.register_craft({
recipe = {
{ "mcl_ocean:dried_kelp","mcl_ocean:dried_kelp","mcl_ocean:dried_kelp" },
{ "mcl_ocean:dried_kelp","mcl_ocean:dried_kelp","mcl_ocean:dried_kelp" },
{ "mcl_ocean:dried_kelp","mcl_ocean:dried_kelp","mcl_ocean:dried_kelp" },
},
output = "mcl_ocean:dried_kelp_block",
})
minetest.register_craft({
recipe = {
{ "mcl_ocean:dried_kelp_block" },
},
output = "mcl_ocean:dried_kelp 9",
})
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minetest.register_craft({
type = "fuel",
recipe = "mcl_ocean:dried_kelp_block",
burntime = 200,
})
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-- Global registration ------------------------------------------------------------------------
minetest.register_lbm({
label = "Kelp initialise",
name = "mcl_ocean:kelp_init",
nodenames = { "group:kelp" },
run_at_every_load = true, -- so old kelps are also initialised
action = kelp.lbm_register_nodetimer,
})
minetest.register_globalstep(kelp.globalstep)
minetest.register_on_shutdown(kelp.on_shutdown)
-- NOTE: Old ABM implementation.
-- minetest.register_abm({
-- label = "Kelp drops",
-- nodenames = { "group:kelp" },
-- interval = 1.0,
-- chance = 1,
-- catch_up = false,
-- action = surface_unsubmerged_abm,
-- })
--
-- minetest.register_abm({
-- label = "Kelp growth",
-- nodenames = { "group:kelp" },
-- interval = 45,
-- chance = 12,
-- catch_up = false,
-- action = grow_abm,
-- })