[mcl_fishing] fix warnings

mods/ITEMS/mcl_fishing/init.lua

@@ -2,6 +2,8 @@
 
 local S = minetest.get_translator("mcl_fishing")
 
+local math = math
+
 local bobber_ENTITY={
 	physical = false,
 	timer=0,
@@ -34,9 +36,8 @@ local fish = function(itemstack, player, pointed_thing)
 	local pos = player:get_pos()
 
 	local objs = minetest.get_objects_inside_radius(pos, 125)
-		local num = 0
+	local ent
-		local ent = nil
+	local noent = false
-		local noent = true
 
 	local durability = 65
 	local unbreaking = mcl_enchanting.get_enchantment(itemstack, "unbreaking")
@@ -50,11 +51,8 @@ local fish = function(itemstack, player, pointed_thing)
 		if ent then
 			if ent.player and ent.objtype=="fishing" then
 				if (player:get_player_name() == ent.player) then
-						noent = false
 					if ent._dive == true then
-							local itemname
 						local items
-							local itemcount = 1
 						local pr = PseudoRandom(os.time() * math.random(1, 100))
 						local r = pr:next(1, 100)
 						local fish_values = {85, 84.8, 84.7, 84.5}
@@ -145,7 +143,8 @@ local fish = function(itemstack, player, pointed_thing)
 					end
 					--Destroy bobber.
 					ent.object:remove()
-						return itemstack
+					noent = false
+					break
 				end
 			end
 		end
@@ -163,11 +162,12 @@ local fish = function(itemstack, player, pointed_thing)
 		end
 	end
 	--If no bobber or flying_bobber exists then throw bobber.
-		if noent == true then
+	if noent then
 		local playerpos = player:get_pos()
 		local dir = player:get_look_dir()
 		mcl_throwing.throw("mcl_fishing:flying_bobber", {x=playerpos.x, y=playerpos.y+1.5, z=playerpos.z}, dir, 15, player:get_player_name())
 	end
+	return itemstack
 end
 
 -- Movement function of bobber
@@ -334,13 +334,11 @@ minetest.register_entity("mcl_fishing:flying_bobber_entity", flying_bobber_ENTIT
 
 mcl_throwing.register_throwable_object("mcl_fishing:flying_bobber", "mcl_fishing:flying_bobber_entity", 5)
 
--- If player leaves area, remove bobber.
+local function remove_bobber(player)
-minetest.register_on_leaveplayer(function(player)
 	local objs = minetest.get_objects_inside_radius(player:get_pos(), 250)
-	local ent = nil
+
-	local noent = true
 	for n = 1, #objs do
-		ent = objs[n]:get_luaentity()
+		local ent = objs[n]:get_luaentity()
 		if ent then
 			if ent.player and ent.objtype=="fishing" then
 				ent.object:remove()
@@ -349,26 +347,13 @@ minetest.register_on_leaveplayer(function(player)
 			end
 		end
 	end
-end)
+end
+
+-- If player leaves area, remove bobber.
+minetest.register_on_leaveplayer(remove_bobber)
 
 -- If player dies, remove bobber.
-minetest.register_on_dieplayer(function(player)
+minetest.register_on_dieplayer(remove_bobber)
-	local objs = minetest.get_objects_inside_radius(player:get_pos(), 250)
-	local num = 0
-	local ent = nil
-	local noent = true
-
-	for n = 1, #objs do
-		ent = objs[n]:get_luaentity()
-		if ent then
-			if ent.player and ent.objtype=="fishing" then
-				ent.object:remove()
-			elseif ent._thrower and ent.objtype=="fishing" then
-				ent.object:remove()
-			end
-		end
-	end
-end)
 
 -- Fishing Rod
 minetest.register_tool("mcl_fishing:fishing_rod", {