222 lines
6.3 KiB
Lua
222 lines
6.3 KiB
Lua
-- Minetest 0.4 mod: bucket
|
|
-- See README.txt for licensing and other information.
|
|
|
|
minetest.register_alias("bucket", "bucket:bucket_empty")
|
|
minetest.register_alias("bucket_water", "bucket:bucket_water")
|
|
minetest.register_alias("bucket_lava", "bucket:bucket_lava")
|
|
|
|
minetest.register_craft({
|
|
output = 'bucket:bucket_empty 1',
|
|
recipe = {
|
|
{'default:steel_ingot', '', 'default:steel_ingot'},
|
|
{'', 'default:steel_ingot', ''},
|
|
}
|
|
})
|
|
|
|
bucket = {}
|
|
bucket.liquids = {}
|
|
|
|
local function check_protection(pos, name, text)
|
|
if minetest.is_protected(pos, name) then
|
|
minetest.log("action", (name ~= "" and name or "A mod")
|
|
.. " tried to " .. text
|
|
.. " at protected position "
|
|
.. minetest.pos_to_string(pos)
|
|
.. " with a bucket")
|
|
minetest.record_protection_violation(pos, name)
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
-- Register a new liquid
|
|
-- source = name of the source node
|
|
-- flowing = name of the flowing node
|
|
-- itemname = name of the new bucket item (or nil if liquid is not takeable)
|
|
-- inventory_image = texture of the new bucket item (ignored if itemname == nil)
|
|
-- name = text description of the bucket item
|
|
-- groups = (optional) groups of the bucket item, for example {water_bucket = 1}
|
|
-- force_renew = (optional) bool. Force the liquid source to renew if it has a
|
|
-- source neighbour, even if defined as 'liquid_renewable = false'.
|
|
-- Needed to avoid creating holes in sloping rivers.
|
|
-- This function can be called from any mod (that depends on bucket).
|
|
function bucket.register_liquid(source, flowing, itemname, inventory_image, name,
|
|
groups, force_renew)
|
|
bucket.liquids[source] = {
|
|
source = source,
|
|
flowing = flowing,
|
|
itemname = itemname,
|
|
force_renew = force_renew,
|
|
}
|
|
bucket.liquids[flowing] = bucket.liquids[source]
|
|
|
|
if itemname ~= nil then
|
|
minetest.register_craftitem(itemname, {
|
|
description = name,
|
|
inventory_image = inventory_image,
|
|
stack_max = 1,
|
|
liquids_pointable = true,
|
|
groups = groups,
|
|
|
|
on_place = function(itemstack, user, pointed_thing)
|
|
-- Must be pointing to node
|
|
if pointed_thing.type ~= "node" then
|
|
return
|
|
end
|
|
|
|
local node = minetest.get_node_or_nil(pointed_thing.under)
|
|
local ndef = node and minetest.registered_nodes[node.name]
|
|
|
|
-- Call on_rightclick if the pointed node defines it
|
|
if ndef and ndef.on_rightclick and
|
|
user and not user:get_player_control().sneak then
|
|
return ndef.on_rightclick(
|
|
pointed_thing.under,
|
|
node, user,
|
|
itemstack)
|
|
end
|
|
|
|
local lpos
|
|
|
|
-- Check if pointing to a buildable node
|
|
if ndef and ndef.buildable_to then
|
|
-- buildable; replace the node
|
|
lpos = pointed_thing.under
|
|
else
|
|
-- not buildable to; place the liquid above
|
|
-- check if the node above can be replaced
|
|
|
|
lpos = pointed_thing.above
|
|
node = minetest.get_node_or_nil(lpos)
|
|
local above_ndef = node and minetest.registered_nodes[node.name]
|
|
|
|
if not above_ndef or not above_ndef.buildable_to then
|
|
-- do not remove the bucket with the liquid
|
|
return itemstack
|
|
end
|
|
end
|
|
|
|
if check_protection(lpos, user
|
|
and user:get_player_name()
|
|
or "", "place "..source) then
|
|
return
|
|
end
|
|
|
|
minetest.set_node(lpos, {name = source})
|
|
return ItemStack("bucket:bucket_empty")
|
|
end
|
|
})
|
|
end
|
|
end
|
|
|
|
minetest.register_craftitem("bucket:bucket_empty", {
|
|
description = "Empty Bucket",
|
|
inventory_image = "bucket.png",
|
|
stack_max = 99,
|
|
liquids_pointable = true,
|
|
on_use = function(itemstack, user, pointed_thing)
|
|
if pointed_thing.type == "object" then
|
|
pointed_thing.ref:punch(user, 1.0, { full_punch_interval=1.0 }, nil)
|
|
return user:get_wielded_item()
|
|
elseif pointed_thing.type ~= "node" then
|
|
-- do nothing if it's neither object nor node
|
|
return
|
|
end
|
|
-- Check if pointing to a liquid source
|
|
local node = minetest.get_node(pointed_thing.under)
|
|
local liquiddef = bucket.liquids[node.name]
|
|
local item_count = user:get_wielded_item():get_count()
|
|
|
|
if liquiddef ~= nil
|
|
and liquiddef.itemname ~= nil
|
|
and node.name == liquiddef.source then
|
|
if check_protection(pointed_thing.under,
|
|
user:get_player_name(),
|
|
"take ".. node.name) then
|
|
return
|
|
end
|
|
|
|
-- default set to return filled bucket
|
|
local giving_back = liquiddef.itemname
|
|
|
|
-- check if holding more than 1 empty bucket
|
|
if item_count > 1 then
|
|
|
|
-- if space in inventory add filled bucked, otherwise drop as item
|
|
local inv = user:get_inventory()
|
|
if inv:room_for_item("main", {name=liquiddef.itemname}) then
|
|
inv:add_item("main", liquiddef.itemname)
|
|
else
|
|
local pos = user:getpos()
|
|
pos.y = math.floor(pos.y + 0.5)
|
|
minetest.add_item(pos, liquiddef.itemname)
|
|
end
|
|
|
|
-- set to return empty buckets minus 1
|
|
giving_back = "bucket:bucket_empty "..tostring(item_count-1)
|
|
|
|
end
|
|
|
|
-- force_renew requires a source neighbour
|
|
local source_neighbor = false
|
|
if liquiddef.force_renew then
|
|
source_neighbor =
|
|
minetest.find_node_near(pointed_thing.under, 1, liquiddef.source)
|
|
end
|
|
if not (source_neighbor and liquiddef.force_renew) then
|
|
minetest.add_node(pointed_thing.under, {name = "air"})
|
|
end
|
|
|
|
return ItemStack(giving_back)
|
|
else
|
|
-- non-liquid nodes will have their on_punch triggered
|
|
local node_def = minetest.registered_nodes[node.name]
|
|
if node_def then
|
|
node_def.on_punch(pointed_thing.under, node, user, pointed_thing)
|
|
end
|
|
return user:get_wielded_item()
|
|
end
|
|
end,
|
|
})
|
|
|
|
bucket.register_liquid(
|
|
"default:water_source",
|
|
"default:water_flowing",
|
|
"bucket:bucket_water",
|
|
"bucket_water.png",
|
|
"Water Bucket",
|
|
{water_bucket = 1}
|
|
)
|
|
|
|
-- River water source is 'liquid_renewable = false' to avoid horizontal spread
|
|
-- of water sources in sloping rivers that can cause water to overflow
|
|
-- riverbanks and cause floods.
|
|
-- River water source is instead made renewable by the 'force renew' option
|
|
-- used here.
|
|
|
|
bucket.register_liquid(
|
|
"default:river_water_source",
|
|
"default:river_water_flowing",
|
|
"bucket:bucket_river_water",
|
|
"bucket_river_water.png",
|
|
"River Water Bucket",
|
|
{water_bucket = 1},
|
|
true
|
|
)
|
|
|
|
bucket.register_liquid(
|
|
"default:lava_source",
|
|
"default:lava_flowing",
|
|
"bucket:bucket_lava",
|
|
"bucket_lava.png",
|
|
"Lava Bucket"
|
|
)
|
|
|
|
minetest.register_craft({
|
|
type = "fuel",
|
|
recipe = "bucket:bucket_lava",
|
|
burntime = 60,
|
|
replacements = {{"bucket:bucket_lava", "bucket:bucket_empty"}},
|
|
})
|
|
|