Make most variables local

mummy.lua

@@ -46,8 +46,8 @@ local ANIM_WALK  = 4
 local ANIM_WALK_MINE = 5
 local ANIM_MINE = 6
 
-function hit(self)
-	prop = {
+local function hit(self)
+	local prop = {
 		mesh = mummy_mesh,
 		textures = {"tsm_pyramids_mummy.png^tsm_pyramids_hit.png"},
 	}
@@ -58,12 +58,12 @@ function hit(self)
 	end)
 end
 
-function mummy_update_visuals_def(self)
+local function mummy_update_visuals_def(self)
 	--local name = get_player_name()
-	visual = default_model_def
+	local visual = default_model_def
 	npc_anim = 0 -- Animation will be set further below immediately
 	--npc_sneak[name] = false
-	prop = {
+	local prop = {
 		mesh = mummy_mesh,
 		textures = mummy_texture,
 		--visual_size = {x=1, y=1, z=1},
@@ -71,7 +71,7 @@ function mummy_update_visuals_def(self)
 	self.object:set_properties(prop)
 end
 
-MUMMY_DEF = {
+local MUMMY_DEF = {
 	physical = true,
 	collisionbox = {-0.4, -0.01, -0.4, 0.4, 1.9, 0.4},
 	visual = "mesh",
@@ -94,7 +94,7 @@ MUMMY_DEF = {
 	mob_name = "mummy"
 }
 
-spawner_DEF = {
+local spawner_DEF = {
 	hp_max = 1,
 	physical = true,
 	collisionbox = {0,0,0,0,0,0},
@@ -257,8 +257,8 @@ MUMMY_DEF.on_step = function(self, dtime)
 		for  _,object in ipairs(minetest.env:get_objects_inside_radius(self.object:getpos(), 4)) do
 			if object:is_player() then
 				self.yawwer = false
-				NPC = self.object:getpos()
-				PLAYER = object:getpos()
+				local NPC = self.object:getpos()
+				local PLAYER = object:getpos()
 				self.vec = {x=PLAYER.x-NPC.x, y=PLAYER.y-NPC.y, z=PLAYER.z-NPC.z}
 				self.yaw = math.atan(self.vec.z/self.vec.x)+math.pi^2
 				if PLAYER.x > NPC.x then

nodes.lua

@@ -10,7 +10,7 @@ for i=1,3 do
 	})
 end
 
-trap_on_timer = function (pos, elapsed)
+local trap_on_timer = function (pos, elapsed)
 	local objs = minetest.env:get_objects_inside_radius(pos, 2)
 	for i, obj in pairs(objs) do
 		if obj:is_player() then