- -- Check if pointing to a liquid
- n = minetest.env:get_node(pointed_thing.under)
- if bucket.liquids[n.name] == nil then
- -- Not a liquid
- minetest.env:add_node(pointed_thing.above, {name=source})
- elseif n.name ~= source then
- -- It's a liquid
- minetest.env:add_node(pointed_thing.under, {name=source})
+
+ -- Call on_rightclick if the pointed node defines it
+ if user and not user:get_player_control().sneak then
+ local n = minetest.get_node(pointed_thing.under)
+ local nn = n.name
+ local ndef = minetest.registered_nodes[nn]
+ if ndef and ndef.on_rightclick then
+ return ndef.on_rightclick(
+ pointed_thing.under,
+ n, user,
+ itemstack) or itemstack
+ end
+ 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 node = minetest.get_node(pointed_thing.under)
+ local fullness = tonumber(itemstack:get_metadata())
+ if not fullness then fullness = LIQUID_MAX end
+
+ if minetest.registered_nodes[node.name].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(pointed_thing.above)
+ if 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