nalc_game/mods/bucket/init.lua

183 lines
5.0 KiB
Lua

-- Minetest 0.4 mod: bucket
-- See README.txt for licensing and other information.
local LIQUID_MAX = 8 --The number of water levels when liquid_finite is enabled
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)
-- This function can be called from any mod (that depends on bucket).
function bucket.register_liquid(source, flowing, itemname, inventory_image, name)
bucket.liquids[source] = {
source = source,
flowing = flowing,
itemname = itemname,
}
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,
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
if node then
ndef = minetest.registered_nodes[node.name]
end
-- 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) or itemstack
end
local place_liquid = function(pos, node, source, flowing, fullness)
if check_protection(pos,
user and user:get_player_name() or "",
"place "..source) then
return
end
if math.floor(fullness/128) == 1 or
not minetest.setting_getbool("liquid_finite") then
minetest.add_node(pos, {name=source,
param2=fullness})
return
elseif node.name == flowing then
fullness = fullness + node.param2
elseif node.name == source then
fullness = LIQUID_MAX
end
if fullness >= LIQUID_MAX then
minetest.add_node(pos, {name=source,
param2=LIQUID_MAX})
else
minetest.add_node(pos, {name=flowing,
param2=fullness})
end
end
-- Check if pointing to a buildable node
local fullness = tonumber(itemstack:get_metadata())
if not fullness then fullness = LIQUID_MAX end
if ndef and ndef.buildable_to then
-- buildable; replace the node
place_liquid(pointed_thing.under, node,
source, flowing, fullness)
else
-- not buildable to; place the liquid above
-- check if the node above can be replaced
local node = minetest.get_node_or_nil(pointed_thing.above)
if node and minetest.registered_nodes[node.name].buildable_to then
place_liquid(pointed_thing.above,
node, source,
flowing, fullness)
else
-- do not remove the bucket with the liquid
return
end
end
return {name="bucket:bucket_empty"}
end
})
end
end
minetest.register_craftitem("bucket:bucket_empty", {
description = "Empty Bucket",
inventory_image = "bucket.png",
stack_max = 1,
liquids_pointable = true,
on_use = function(itemstack, user, pointed_thing)
-- Must be pointing to node
if pointed_thing.type ~= "node" then
return
end
-- Check if pointing to a liquid source
node = minetest.get_node(pointed_thing.under)
liquiddef = bucket.liquids[node.name]
if liquiddef ~= nil and liquiddef.itemname ~= nil and
(node.name == liquiddef.source or
(node.name == liquiddef.flowing and
minetest.setting_getbool("liquid_finite"))) then
if check_protection(pointed_thing.under,
user:get_player_name(),
"take ".. node.name) then
return
end
minetest.add_node(pointed_thing.under, {name="air"})
if node.name == liquiddef.source then
node.param2 = LIQUID_MAX
end
return ItemStack({name = liquiddef.itemname,
metadata = tostring(node.param2)})
end
end,
})
bucket.register_liquid(
"default:water_source",
"default:water_flowing",
"bucket:bucket_water",
"bucket_water.png",
"Water Bucket"
)
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"}},
})