refactor: minor code style change.

change the way some functions are declared.

mods/bg_api/utils_node.lua

@@ -1,4 +1,4 @@
-local reg_simple_node = function (name, desc, groups)
+function blockgame.reg_simple_node (name, desc, groups)
 	local my_modname = minetest.get_current_modname()
 	return minetest.register_node(my_modname .. ":" .. name, {
 		description = desc,
@@ -8,5 +8,3 @@ local reg_simple_node = function (name, desc, groups)
 		groups = groups,
 	})
 end
-
-blockgame.reg_simple_node = reg_simple_node

mods/bg_api/utils_random.lua

@@ -1,5 +1,5 @@
 local modname = minetest.get_current_modname()
 
-blockgame.chance = function (chance)
+function blockgame.chance (chance)
 	return math.random(chance) == 1
 end

mods/bg_api/utils_stringify.lua

@@ -1,4 +1,4 @@
-local stringify = function (tab)
+function blockgame.stringify (tab)
 	if type(tab) == "table" then
 		local result = "{ "
 		for key, value in pairs(tab) do
@@ -9,5 +9,3 @@ local stringify = function (tab)
 		return tab
 	end
 end
-
-blockgame.stringify = stringify

mods/bg_api/utils_vector.lua

@@ -19,7 +19,7 @@ api.directions = {
 }
 api.dirs = api.directions
 
-local get_keys = function (tab)
+local function get_keys (tab)
 	local keyset = {}
 	local n = 0
 	for key, value in pairs(tab) do
@@ -29,19 +29,19 @@ local get_keys = function (tab)
 	return keyset
 end
 
-local random_element = function (tab)
+local function random_element (tab)
 	local keys = get_keys(tab)
 	return tab[keys[math.random(#keys)]]
 end
 
-api.random_dir = function ()
+function api.random_dir ()
 	return random_element(api.dirs)
 end
 
-api.random_side = function ()
+function api.random_side ()
 	return random_element(api.sides)
 end
 
-api.get_below = function (pos)
+function api.get_below (pos)
 	return pos + api.dirs.down
 end

mods/bg_core/hand.lua

@@ -1,4 +1,4 @@
-local create_group_cap = function (max_level)
+local function create_group_cap (max_level)
 	return {maxlevel = max_level, times={[1] = 1, [2] = 2, [3] = 3}}
 end
 

mods/bg_crafting/api.lua

@@ -4,7 +4,7 @@ local api = blockgame.crafting
 local recipes = {}
 api.registered_recipes = recipes
 
-api.register_stack_recipe = function (top_node, bottom_node, result, consumes_top)
+function api.register_stack_recipe (top_node, bottom_node, result, consumes_top)
 	local consumes_top = consumes_top
 	if consumes_top == nil then consumes_top = true end
 
@@ -20,7 +20,7 @@ api.register_stack_recipe = function (top_node, bottom_node, result, consumes_to
 	})
 end
 
-api.handle_placement = function (pos, new_node, placer, old_node, itemstack, pointed_thing)
+function api.handle_placement (pos, new_node, placer, old_node, itemstack, pointed_thing)
 	if recipes[new_node.name] == nil then return false end
 
 	for _, recipe in pairs(recipes[new_node.name]) do
@@ -31,7 +31,7 @@ api.handle_placement = function (pos, new_node, placer, old_node, itemstack, poi
 	return false
 end
 
-api.handle_stack_recipe = function (recipe, pos, top_node)
+function api.handle_stack_recipe (recipe, pos, top_node)
 	if top_node.name ~= recipe.top_node then return false end
 
 	local down = vector.add(pos, vector.new(0, -1, 0))
@@ -48,7 +48,7 @@ end
 
 local pummel_recipes = {}
 
-api.register_pummel_recipe = function (def)
+function api.register_pummel_recipe (def)
 	local def = def or {}
 
 	def.label = def.label or "unnamed pummel recipe"
@@ -66,7 +66,7 @@ api.register_pummel_recipe = function (def)
 end
 
 -- TODO: add support for pummel recipes using groups instead of just specific node names.
-api.pummel_check = function (pos, used_item, target_node)
+function api.pummel_check (pos, used_item, target_node)
 	local key = used_item
 	if not pummel_recipes[key] then return false end
 

mods/bg_tree/api.lua

@@ -3,7 +3,7 @@ local modname = minetest.get_current_modname()
 blockgame.tree = blockgame.tree or {}
 local api = blockgame.tree
 
-api.find_bottom_log = function (pos, max_height)
+function api.find_bottom_log (pos, max_height)
 	local pos = vector.copy(pos)
 	local step = 0
 	while step < max_height do

mods/bg_tree/grow.lua

@@ -12,18 +12,18 @@ local root = modname .. ":root"
 
 -- END OF NODE NAMES
 
-local attempt_place = function (pos, node)
+local function attempt_place (pos, node)
 	if minetest.get_node(pos).name ~= "air" then return false end
 	return minetest.set_node(pos, node)
 end
 
 
-local extend_leaves_from = function (pos)
+local function extend_leaves_from (pos)
 	local side = vec.random_side()
 	attempt_place(pos + side, {name = leaves_alive})
 end
 
-local random_walk = function (pos, steps, check)
+local function random_walk (pos, steps, check)
 	local pos = vector.copy(pos)
 	local step = 0
 	while step < steps do
@@ -35,7 +35,7 @@ local random_walk = function (pos, steps, check)
 	return pos
 end
 
-local spread_roots_from = function (source)
+local function spread_roots_from (source)
 	local root_pos = random_walk(source, 2, function (pos)
 		if minetest.get_node(pos).name == log_alive then return true end
 		if minetest.get_node(pos).name == root then return true end