create woodworking mod and refactor.

move plank registration and recipe out of tree mod into newly created
woodworking mod.

also update plank recipe to require cobblestone instead of stone to be
held while pummeling.

mods/bg_tree/node.lua

@@ -29,11 +29,6 @@ blockgame.reg_simple_node("sapling", "Sapling", {
 	planty = 1,
 })
 
--- TODO: move this to the woodworking mod.
-blockgame.reg_simple_node("plank", "Plank", {
-	woody = 1,
-})
-
 minetest.register_node(modname .. ":leaves", {
 	description = "Leaves",
 	drawtype = "glasslike",

mods/bg_tree/recipes.lua

@@ -13,24 +13,3 @@ blockgame.crafting.register_pummel_recipe({
 		minetest.set_node(pos, {name = "core:dirt"})
 	end,
 })
-
--- TODO: move this to the woodworking mod.
-blockgame.crafting.register_pummel_recipe({
-	label = "pummel log into plank",
-	used_item = "core:stone",
-	target_node = modname .. ":log",
-	check = function (pos, used_node, target_node)
-		for _, side in pairs(blockgame.vector.sides) do
-			local output_pos = pos + side
-			if minetest.get_node(output_pos).name ~= "air" then return false end
-		end
-		return true
-	end,
-	on_success = function (pos, used_node, target_node)
-		minetest.remove_node(pos)
-		for _, side in pairs(blockgame.vector.sides) do
-			local output_pos = pos + side
-			minetest.set_node(output_pos, {name = modname .. ":plank"})
-		end
-	end,
-})

mods/bg_woodworking/init.lua

@@ -0,0 +1,2 @@
+load_file("node")
+load_file("recipes")

mods/bg_woodworking/mod.conf

@@ -0,0 +1,3 @@
+name = woodworking
+description = blockgame wood related recipes and stuff.
+depends = core, crafting, api, tree

mods/bg_woodworking/node.lua

@@ -0,0 +1,5 @@
+local modname = minetest.get_current_modname()
+
+blockgame.reg_simple_node("plank", "Plank", {
+	woody = 1,
+})

mods/bg_woodworking/recipes.lua

@@ -0,0 +1,21 @@
+local modname = minetest.get_current_modname()
+
+blockgame.crafting.register_pummel_recipe({
+	label = "pummel log into plank",
+	used_item = "core:cobblestone",
+	target_node = "tree:log",
+	check = function (pos, used_node, target_node)
+		for _, side in pairs(blockgame.vector.sides) do
+			local output_pos = pos + side
+			if minetest.get_node(output_pos).name ~= "air" then return false end
+		end
+		return true
+	end,
+	on_success = function (pos, used_node, target_node)
+		minetest.remove_node(pos)
+		for _, side in pairs(blockgame.vector.sides) do
+			local output_pos = pos + side
+			minetest.set_node(output_pos, {name = modname .. ":plank"})
+		end
+	end,
+})