Add wood bucket

mods/bucket_wood/README.txt

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+Minetest 0.4 mod: bucket
+=========================
+
+License of source code:
+-----------------------
+Copyright (C) 2011-2012 Kahrl <kahrl@gmx.net>
+Copyright (C) 2011-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+http://www.gnu.org/licenses/lgpl-2.1.html
+
+License of media (textures and sounds)
+--------------------------------------
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)                                 
+http://creativecommons.org/licenses/by-sa/3.0/
+
+Authors of media files
+-----------------------
+Everything not listed in here:
+Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+

mods/bucket_wood/depends.txt

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+default
+

mods/bucket_wood/init.lua

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+-- 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_craft({
+	output = 'bucket_wood:bucket_empty 1',
+	recipe = {
+		{'group:wood', '', 'group:wood'},
+		{'', 'group:wood', ''},
+	}
+})
+
+bucket_wood = {}
+bucket_wood.liquids = {}
+bucket_wood.swaps = {}
+
+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_wood.register_liquid(source, flowing, itemname, inventory_image, name)
+	bucket_wood.liquids[source] = {
+		source = source,
+		flowing = flowing,
+		itemname = itemname,
+	}
+	bucket_wood.liquids[flowing] = bucket_wood.liquids[source]
+
+	if itemname ~= nil then
+		minetest.register_craftitem(itemname, {
+			description = name,
+			inventory_image = inventory_image,
+			stack_max = 1,
+			liquids_pointable = true,
+			groups = {not_in_creative_inventory=1},
+			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 bucket_wood.swaps[source] ~= nil then
+						source = bucket_wood.swaps[source]
+					end
+					if bucket_wood.swaps[flowing] ~= nil then
+						flowing = bucket_wood.swaps[flowing]
+					end
+					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_wood:bucket_empty"}
+			end
+		})
+	end
+end
+
+function bucket_wood.register_swap(source, flowing, new_source, new_flowing)
+	bucket_wood.swaps[source] = new_source
+	bucket_wood.swaps[flowing] = new_flowing
+end
+
+minetest.register_craftitem("bucket_wood:bucket_empty", {
+	description = "Empty Wooden Bucket",
+	inventory_image = "bucket_wood.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
+		local node = minetest.get_node(pointed_thing.under)
+		local liquiddef = bucket_wood.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,
+	groups = { guide = GUIDE_TOOLS },
+})
+
+bucket_wood.register_liquid(
+	"default:water_source",
+	"default:water_flowing",
+	"bucket_wood:bucket_water",
+	"bucket_wood_water.png",
+	"Wooden Water Bucket"
+)
+
+bucket_wood.register_liquid(
+	"default:mg_water_source",
+	"default:mg_water_flowing",
+	"bucket_wood:bucket_water",
+	"bucket_wood_water.png",
+	"Wooden Water Bucket"
+)
+
+bucket_wood.register_swap("default:mg_water_source","default:mg_water_flowing","default:water_source","default:water_flowing")