mirror of
https://github.com/minetest/minetest_game.git
synced 2024-12-22 23:10:17 +01:00
249 lines
7.3 KiB
Lua
249 lines
7.3 KiB
Lua
-- Minetest Game mod: bucket
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-- See README.txt for licensing and other information.
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-- Load support for MT game translation.
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local S = minetest.get_translator("bucket")
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minetest.register_alias("bucket", "bucket:bucket_empty")
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minetest.register_alias("bucket_water", "bucket:bucket_water")
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minetest.register_alias("bucket_lava", "bucket:bucket_lava")
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minetest.register_craft({
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output = "bucket:bucket_empty 1",
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recipe = {
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{"default:steel_ingot", "", "default:steel_ingot"},
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{"", "default:steel_ingot", ""},
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}
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})
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bucket = {}
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bucket.liquids = {}
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local function check_protection(pos, name, text)
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if minetest.is_protected(pos, name) then
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minetest.log("action", (name ~= "" and name or "A mod")
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.. " tried to " .. text
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.. " at protected position "
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.. minetest.pos_to_string(pos)
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.. " with a bucket")
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minetest.record_protection_violation(pos, name)
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return true
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end
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return false
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end
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local function log_action(pos, name, action)
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minetest.log("action", (name ~= "" and name or "A mod")
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.. " " .. action .. " at " .. minetest.pos_to_string(pos) .. " with a bucket")
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end
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-- Register a new liquid
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-- source = name of the source node
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-- flowing = name of the flowing node
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-- itemname = name of the new bucket item (or nil if liquid is not takeable)
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-- inventory_image = texture of the new bucket item (ignored if itemname == nil)
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-- name = text description of the bucket item
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-- groups = (optional) groups of the bucket item, for example {water_bucket = 1}
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-- force_renew = (optional) bool. Force the liquid source to renew if it has a
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-- source neighbour, even if defined as 'liquid_renewable = false'.
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-- Needed to avoid creating holes in sloping rivers.
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-- This function can be called from any mod (that depends on bucket).
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function bucket.register_liquid(source, flowing, itemname, inventory_image, name,
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groups, force_renew)
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bucket.liquids[source] = {
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source = source,
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flowing = flowing,
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itemname = itemname,
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force_renew = force_renew,
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}
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bucket.liquids[flowing] = bucket.liquids[source]
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if itemname ~= nil then
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minetest.register_craftitem(itemname, {
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description = name,
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inventory_image = inventory_image,
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stack_max = 1,
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liquids_pointable = true,
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groups = groups,
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on_place = function(itemstack, user, pointed_thing)
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-- Must be pointing to node
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if pointed_thing.type ~= "node" then
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return
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end
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local node = minetest.get_node_or_nil(pointed_thing.under)
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local ndef = node and minetest.registered_nodes[node.name]
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-- Call on_rightclick if the pointed node defines it
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if ndef and ndef.on_rightclick and
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not (user and user:is_player() and
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user:get_player_control().sneak) then
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return ndef.on_rightclick(
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pointed_thing.under,
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node, user,
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itemstack)
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end
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local lpos
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-- Check if pointing to a buildable node
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if ndef and ndef.buildable_to then
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-- buildable; replace the node
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lpos = pointed_thing.under
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else
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-- not buildable to; place the liquid above
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-- check if the node above can be replaced
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lpos = pointed_thing.above
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node = minetest.get_node_or_nil(lpos)
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local above_ndef = node and minetest.registered_nodes[node.name]
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if not above_ndef or not above_ndef.buildable_to then
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-- do not remove the bucket with the liquid
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return itemstack
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end
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end
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local pname = user and user:get_player_name() or ""
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if check_protection(lpos, pname, "place "..source) then
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return
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end
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minetest.set_node(lpos, {name = source})
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log_action(lpos, pname, "placed " .. source)
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return ItemStack("bucket:bucket_empty")
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end
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})
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end
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end
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minetest.register_craftitem("bucket:bucket_empty", {
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description = S("Empty Bucket"),
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inventory_image = "bucket.png",
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groups = {tool = 1},
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liquids_pointable = true,
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on_use = function(itemstack, user, pointed_thing)
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if pointed_thing.type == "object" then
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pointed_thing.ref:punch(user, 1.0, { full_punch_interval=1.0 }, nil)
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return user:get_wielded_item()
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elseif pointed_thing.type ~= "node" then
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-- do nothing if it's neither object nor node
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return
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end
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-- Check if pointing to a liquid source
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local pos = pointed_thing.under
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local node = minetest.get_node(pos)
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local liquiddef = bucket.liquids[node.name]
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local item_count = user:get_wielded_item():get_count()
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if liquiddef ~= nil
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and liquiddef.itemname ~= nil
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and node.name == liquiddef.source then
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local pname = user:get_player_name()
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if check_protection(pos, pname, "take ".. node.name) then
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return
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end
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-- default set to return filled bucket
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local giving_back = liquiddef.itemname
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-- check if holding more than 1 empty bucket
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if item_count > 1 then
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-- if space in inventory add filled bucked, otherwise drop as item
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local inv = user:get_inventory()
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if inv:room_for_item("main", {name=liquiddef.itemname}) then
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inv:add_item("main", liquiddef.itemname)
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else
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local upos = user:get_pos()
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upos.y = math.floor(upos.y + 0.5)
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minetest.add_item(upos, liquiddef.itemname)
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end
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-- set to return empty buckets minus 1
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giving_back = "bucket:bucket_empty "..tostring(item_count-1)
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end
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-- force_renew requires a source neighbour
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local source_neighbor = false
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if liquiddef.force_renew then
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source_neighbor =
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minetest.find_node_near(pos, 1, liquiddef.source)
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end
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if source_neighbor and liquiddef.force_renew then
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log_action(pos, pname, "picked up " .. liquiddef.source .. " (force renewed)")
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else
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minetest.add_node(pos, {name = "air"})
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log_action(pos, pname, "picked up " .. liquiddef.source)
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end
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return ItemStack(giving_back)
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else
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-- non-liquid nodes will have their on_punch triggered
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local node_def = minetest.registered_nodes[node.name]
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if node_def then
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node_def.on_punch(pos, node, user, pointed_thing)
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end
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return user:get_wielded_item()
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end
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end,
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})
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bucket.register_liquid(
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"default:water_source",
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"default:water_flowing",
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"bucket:bucket_water",
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"bucket_water.png",
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S("Water Bucket"),
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{tool = 1, water_bucket = 1}
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)
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-- River water source is 'liquid_renewable = false' to avoid horizontal spread
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-- of water sources in sloping rivers that can cause water to overflow
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-- riverbanks and cause floods.
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-- River water source is instead made renewable by the 'force renew' option
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-- used here.
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bucket.register_liquid(
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"default:river_water_source",
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"default:river_water_flowing",
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"bucket:bucket_river_water",
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"bucket_river_water.png",
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S("River Water Bucket"),
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{tool = 1, water_bucket = 1},
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true
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)
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bucket.register_liquid(
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"default:lava_source",
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"default:lava_flowing",
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"bucket:bucket_lava",
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"bucket_lava.png",
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S("Lava Bucket"),
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{tool = 1}
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)
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minetest.register_craft({
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type = "fuel",
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recipe = "bucket:bucket_lava",
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burntime = 60,
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replacements = {{"bucket:bucket_lava", "bucket:bucket_empty"}},
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})
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-- Register buckets as dungeon loot
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if minetest.global_exists("dungeon_loot") then
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dungeon_loot.register({
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{name = "bucket:bucket_empty", chance = 0.55},
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-- water in deserts/ice or above ground, lava otherwise
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{name = "bucket:bucket_water", chance = 0.45,
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types = {"sandstone", "desert", "ice"}},
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{name = "bucket:bucket_water", chance = 0.45, y = {0, 32768},
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types = {"normal"}},
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{name = "bucket:bucket_lava", chance = 0.45, y = {-32768, -1},
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types = {"normal"}},
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})
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end
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