add luacheck, fix luacheck warnings, clean up code

.luacheckrc

@@ -0,0 +1,22 @@
+unused_args = false
+allow_defined_top = true
+exclude_files = {".luacheckrc"}
+
+globals = {
+    "minetest",
+
+    --depends
+    "replacer",
+}
+
+read_globals = {
+    string = {fields = {"split"}},
+    table = {fields = {"copy", "getn"}},
+
+    -- Builtin
+    "vector", "ItemStack",
+    "dump", "DIR_DELIM", "VoxelArea", "Settings",
+
+    -- MTG
+    "default", "sfinv", "creative", "carts",
+}

init.lua

@@ -1,49 +1,49 @@
 --Version 0.2
 
-pos = {x=0, y=0, z=0}
+--pos = {x=0, y=0, z=0}
 
-local space = 1000 --value for space, change the value to however you like.
+--value for space, change the value to however you like.
+local space = 20000
 
 --The skybox for space, feel free to change it to however you like.
 local spaceskybox = {
-"sky_pos_y.png",
-"sky_neg_y.png",
-"sky_pos_z.png",
-"sky_neg_z.png",
-"sky_neg_x.png",
-"sky_pos_x.png",
+    "sky_pos_y.png",
+    "sky_neg_y.png",
+    "sky_pos_z.png",
+    "sky_neg_z.png",
+    "sky_neg_x.png",
+    "sky_pos_x.png",
 }
 
 local time = 0
 
 minetest.register_globalstep(function(dtime)
-time = time + dtime
-if time > 1 then for _, player in ipairs(minetest.get_connected_players()) do
-time = 0
+    time = time + dtime
 
-local name = player:get_player_name()
-local pos = player:getpos()
- 
-   --If the player has reached Space
-   if minetest.get_player_by_name(name) and pos.y >= space then
-   player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
-   player:set_sky({}, "skybox", spaceskybox) -- Sets skybox
+    if time > 1 then
+        for _, player in ipairs(minetest.get_connected_players()) do
+            time = 0
 
-   --If the player is on Earth
-   elseif minetest.get_player_by_name(name) and pos.y < space then
-   player:set_physics_override(1, 1, 1) -- speed, jump, gravity [default]
-   player:set_sky({}, "regular", {}) -- Sets skybox, in this case it sets the skybox to it's default setting if and only if the player's Y value is less than the value of space.
-      
-      end
-         end
+            local name = player:get_player_name()
+            local pos = player:getpos()
+
+            --If the player has reached Space
+            if minetest.get_player_by_name(name) and pos.y >= space then
+                player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+                player:set_sky({}, "skybox", spaceskybox) -- Sets skybox
+            --If the player is on Earth
+            elseif minetest.get_player_by_name(name) and pos.y < space then
+                player:set_physics_override(1, 1, 1) -- speed, jump, gravity [default]
+                player:set_sky({}, "regular", {}) -- Sets skybox, in this case it sets the skybox to it's default setting if and only if the player's Y value is less than the value of space.
             end
-               end)
+        end
+    end
+end)
 
 minetest.register_on_leaveplayer(function(player)
-local name = player:get_player_name()
-   
-   if name then
-   player:set_sky({}, "regular", {})
+    local name = player:get_player_name()
 
-         end
-            end)
+    if name then
+        player:set_sky({}, "regular", {})
+    end
+end)