diff --git a/README.md b/README.md
index 302c188fd..ff9d02632 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ These items do not work yet, but you can get them with `/giveme` for testing:
 * Minecart with Command Block: `mcl_minecarts:command_block_minecart`
 
 ## Installation
-This game requires [Minetest](http://minetest.net) to run (version 5.0.0 or
+This game requires [Minetest](http://minetest.net) to run (version 5.3.0 or
 later). So you need to install Minetest first. Only stable versions of Minetest
 are officially supported.
 There is no support for running MineClone 2 in development versions of Minetest.
diff --git a/mods/ENTITIES/mobs_mc/enderman.lua b/mods/ENTITIES/mobs_mc/enderman.lua
index 6c87b9305..9c47e98fc 100644
--- a/mods/ENTITIES/mobs_mc/enderman.lua
+++ b/mods/ENTITIES/mobs_mc/enderman.lua
@@ -323,7 +323,7 @@ mobs:register_mob("mobs_mc:enderman", {
 			--	self:teleport(nil)
 			--	self.state = ""
 			--else
-				if self.attack ~= nil then
+				if self.attack ~= nil and not minetest.settings:get_bool("creative_mode") then
 					self.state = 'attack'
 				end
 			--end
diff --git a/mods/ITEMS/mcl_doors/api_doors.lua b/mods/ITEMS/mcl_doors/api_doors.lua
index f3dd0f469..909bb47e4 100644
--- a/mods/ITEMS/mcl_doors/api_doors.lua
+++ b/mods/ITEMS/mcl_doors/api_doors.lua
@@ -1,4 +1,5 @@
 local S = minetest.get_translator("mcl_doors")
+local minetest_get_meta = minetest.get_meta
 
 -- This helper function calls on_place_node callbacks.
 local function on_place_node(place_to, newnode,
@@ -164,14 +165,14 @@ function mcl_doors:register_door(name, def)
 			end
 
 			if def.only_placer_can_open then
-				local meta = minetest.get_meta(pt)
+				local meta = minetest_get_meta(pt)
 				meta:set_string("doors_owner", "")
-				meta = minetest.get_meta(pt2)
+				meta = minetest_get_meta(pt2)
 				meta:set_string("doors_owner", "")
 			end
 
-			local meta1 = minetest.get_meta(pt)
-			local meta2 = minetest.get_meta(pt2)
+			local meta1 = minetest_get_meta(pt)
+			local meta2 = minetest_get_meta(pt2)
 			-- save mirror state for the correct door
 			if left_node.name:sub(1, #name) == name then
 				meta1:set_int("is_mirrored", 1)
@@ -198,9 +199,9 @@ function mcl_doors:register_door(name, def)
 	local tb = def.tiles_bottom
 
 	local function on_open_close(pos, dir, check_name, replace, replace_dir)
-		local meta1 = minetest.get_meta(pos)
+		local meta1 = minetest_get_meta(pos)
 		pos.y = pos.y+dir
-		local meta2 = minetest.get_meta(pos)
+		local meta2 = minetest_get_meta(pos)
 
 		-- if name of other door is not the same as check_name -> return
 		if not minetest.get_node(pos).name == check_name  then
@@ -254,7 +255,7 @@ function mcl_doors:register_door(name, def)
 		if not def.only_placer_can_open then
 			return true
 		end
-		local meta = minetest.get_meta(pos)
+		local meta = minetest_get_meta(pos)
 		local pn = player:get_player_name()
 		return meta:get_string("doors_owner") == pn
 	end
@@ -292,10 +293,15 @@ function mcl_doors:register_door(name, def)
 		sounds = def.sounds,
 
 		after_destruct = function(bottom, oldnode)
-			minetest.add_item(bottom, name)
-			local top = { x = bottom.x, y = bottom.y + 1, z = bottom.z }
-			if minetest.get_node(bottom).name ~= name.."_b_2" and minetest.get_node(top).name == name.."_t_1" then
-				minetest.remove_node(top)
+			local meta_bottom = minetest_get_meta(bottom)
+			if meta_bottom:get_int("rotation") == 1 then
+				meta_bottom:set_int("rotation", 0)
+			else
+				minetest.add_item(bottom, name)
+				local top = { x = bottom.x, y = bottom.y + 1, z = bottom.z }
+				if minetest.get_node(bottom).name ~= name.."_b_2" and minetest.get_node(top).name == name.."_t_1" then
+					minetest.remove_node(top)
+				end
 			end
 		end,
 
@@ -305,13 +311,19 @@ function mcl_doors:register_door(name, def)
 			action_on = on_mesecons_signal_open,
 		}},
 
-		on_rotate = function(pos, node, user, mode, param2)
+		on_rotate = function(bottom, node, user, mode, param2)
 			if mode == screwdriver.ROTATE_FACE then
-				minetest.remove_node(pos)
-				node.param2 = screwdriver.rotate.facedir(pos, node, mode)
-				minetest.set_node(pos, node)
+				local meta_bottom = minetest_get_meta(bottom)
+				meta_bottom:set_int("rotation", 1)
+				node.param2 = screwdriver.rotate.facedir(bottom, node, mode)
+				minetest.swap_node(bottom, node)
+
+				local top = {x=bottom.x,y=bottom.y+1,z=bottom.z}
+				local meta_top = minetest_get_meta(top)
+				meta_top:set_int("rotation", 1)
 				node.name = name .."_t_1"
-				minetest.set_node({x=pos.x,y=pos.y+1,z=pos.z}, node)
+				minetest.swap_node(top, node)
+
 				return true
 			end
 			return false
@@ -353,9 +365,14 @@ function mcl_doors:register_door(name, def)
 		sounds = def.sounds,
 
 		after_destruct = function(top, oldnode)
-			local bottom = { x = top.x, y = top.y - 1, z = top.z }
-			if minetest.get_node(top).name ~= name.."_t_2" and minetest.get_node(bottom).name == name.."_b_1" and oldnode.name == name.."_t_1" then
-				minetest.dig_node(bottom)
+			local meta_top = minetest_get_meta(top)
+			if meta_top:get_int("rotation") == 1 then
+				meta_top:set_int("rotation", 0)
+			else
+				local bottom = { x = top.x, y = top.y - 1, z = top.z }
+				if minetest.get_node(top).name ~= name.."_t_2" and minetest.get_node(bottom).name == name.."_b_1" and oldnode.name == name.."_t_1" then
+					minetest.dig_node(bottom)
+				end
 			end
 		end,
 
@@ -366,13 +383,19 @@ function mcl_doors:register_door(name, def)
 			rules = mesecon.rules.flat,
 		}},
 
-		on_rotate = function(pos, node, user, mode, param2)
+		on_rotate = function(top, node, user, mode, param2)
 			if mode == screwdriver.ROTATE_FACE then
-				minetest.remove_node(pos)
-				node.param2 = screwdriver.rotate.facedir(pos, node, mode)
-				minetest.set_node(pos, node)
+				local meta_top = minetest_get_meta(top)
+				meta_top:set_int("rotation", 1)
+				node.param2 = screwdriver.rotate.facedir(top, node, mode)
+				minetest.swap_node(top, node)
+
+				local bottom = {x=top.x,y=top.y-1,z=top.z}
+				local meta_bottom = minetest_get_meta(bottom)
+				meta_bottom:set_int("rotation", 1)
 				node.name = name .."_b_1"
-				minetest.set_node({x=pos.x,y=pos.y-1,z=pos.z}, node)
+				minetest.swap_node(bottom, node)
+
 				return true
 			end
 			return false
@@ -414,10 +437,15 @@ function mcl_doors:register_door(name, def)
 		sounds = def.sounds,
 
 		after_destruct = function(bottom, oldnode)
-			minetest.add_item(bottom, name)
-			local top = { x = bottom.x, y = bottom.y + 1, z = bottom.z }
-			if minetest.get_node(bottom).name ~= name.."_b_1" and minetest.get_node(top).name == name.."_t_2" then
-				minetest.remove_node(top)
+			local meta_bottom = minetest_get_meta(bottom)
+			if meta_bottom:get_int("rotation") == 1 then
+				meta_bottom:set_int("rotation", 0)
+			else
+				local top = { x = bottom.x, y = bottom.y + 1, z = bottom.z }
+				minetest.add_item(bottom, name)
+				if minetest.get_node(bottom).name ~= name.."_b_1" and minetest.get_node(top).name == name.."_t_2" then
+					minetest.remove_node(top)
+				end
 			end
 		end,
 
@@ -427,13 +455,19 @@ function mcl_doors:register_door(name, def)
 			action_off = on_mesecons_signal_close,
 		}},
 
-		on_rotate = function(pos, node, user, mode, param2)
+		on_rotate = function(bottom, node, user, mode, param2)
 			if mode == screwdriver.ROTATE_FACE then
-				minetest.remove_node(pos)
-				node.param2 = screwdriver.rotate.facedir(pos, node, mode)
-				minetest.set_node(pos, node)
+				local meta_bottom = minetest_get_meta(bottom)
+				meta_bottom:set_int("rotation", 1)
+				node.param2 = screwdriver.rotate.facedir(bottom, node, mode)
+				minetest.swap_node(bottom, node)
+
+				local top = {x=bottom.x,y=bottom.y+1,z=bottom.z}
+				local meta_top = minetest_get_meta(top)
+				meta_top:set_int("rotation", 1)
 				node.name = name .."_t_2"
-				minetest.set_node({x=pos.x,y=pos.y+1,z=pos.z}, node)
+				minetest.swap_node(top, node)
+
 				return true
 			end
 			return false
@@ -475,9 +509,14 @@ function mcl_doors:register_door(name, def)
 		sounds = def.sounds,
 
 		after_destruct = function(top, oldnode)
-			local bottom = { x = top.x, y = top.y - 1, z = top.z }
-			if minetest.get_node(top).name ~= name.."_t_1" and minetest.get_node(bottom).name == name.."_b_2" and oldnode.name == name.."_t_2" then
-				minetest.dig_node(bottom)
+			local meta_top = minetest_get_meta(top)
+			if meta_top:get_int("rotation") == 1 then
+				meta_top:set_int("rotation", 0)
+			else
+				local bottom = { x = top.x, y = top.y - 1, z = top.z }
+				if minetest.get_node(top).name ~= name.."_t_1" and minetest.get_node(bottom).name == name.."_b_2" and oldnode.name == name.."_t_2" then
+					minetest.dig_node(bottom)
+				end
 			end
 		end,
 
@@ -488,13 +527,19 @@ function mcl_doors:register_door(name, def)
 			rules = mesecon.rules.flat,
 		}},
 
-		on_rotate = function(pos, node, user, mode, param2)
+		on_rotate = function(top, node, user, mode, param2)
 			if mode == screwdriver.ROTATE_FACE then
-				minetest.remove_node(pos)
-				node.param2 = screwdriver.rotate.facedir(pos, node, mode)
-				minetest.set_node(pos, node)
+				local meta_top = minetest_get_meta(top)
+				meta_top:set_int("rotation", 1)
+				node.param2 = screwdriver.rotate.facedir(top, node, mode)
+				minetest.swap_node(top, node)
+
+				local bottom = {x=top.x,y=top.y-1,z=top.z}
+				local meta_bottom = minetest_get_meta(bottom)
+				meta_bottom:set_int("rotation", 1)
 				node.name = name .."_b_2"
-				minetest.set_node({x=pos.x,y=pos.y-1,z=pos.z}, node)
+				minetest.swap_node(bottom, node)
+
 				return true
 			end
 			return false
diff --git a/mods/ITEMS/mcl_fireworks/README.txt b/mods/ITEMS/mcl_fireworks/README.txt
new file mode 100644
index 000000000..4cf71fc9b
--- /dev/null
+++ b/mods/ITEMS/mcl_fireworks/README.txt
@@ -0,0 +1,7 @@
+Firework mod for Mineclone 2
+
+by NO11 and and some parts by j45
+
+Sound credits:
+
+* mcl_firework_rocket.ogg (tnt_ignite.ogg): Own derivate work of sound by Ned Bouhalassa (CC0) created in 2005, source: <https://freesound.org/people/Ned Bouhalassa/sounds/8320/>
diff --git a/mods/ITEMS/mcl_fireworks/config.txt b/mods/ITEMS/mcl_fireworks/config.txt
new file mode 100644
index 000000000..5a12a1f52
--- /dev/null
+++ b/mods/ITEMS/mcl_fireworks/config.txt
@@ -0,0 +1,2 @@
+name = mcl_firework
+author = NO11, j45
diff --git a/mods/ITEMS/mcl_fireworks/crafting.lua b/mods/ITEMS/mcl_fireworks/crafting.lua
new file mode 100644
index 000000000..a9e156aa6
--- /dev/null
+++ b/mods/ITEMS/mcl_fireworks/crafting.lua
@@ -0,0 +1,17 @@
+minetest.register_craft({
+	type = "shapeless",
+	output = "mcl_fireworks:rocket_1 3",
+	recipe = {"mcl_core:paper", "mcl_mobitems:gunpowder"},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mcl_fireworks:rocket_2 3",
+	recipe = {"mcl_core:paper", "mcl_mobitems:gunpowder", "mcl_mobitems:gunpowder"},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mcl_fireworks:rocket_3 3",
+	recipe = {"mcl_core:paper", "mcl_mobitems:gunpowder", "mcl_mobitems:gunpowder", "mcl_mobitems:gunpowder"},
+})
\ No newline at end of file
diff --git a/mods/ITEMS/mcl_fireworks/init.lua b/mods/ITEMS/mcl_fireworks/init.lua
new file mode 100644
index 000000000..cd1922580
--- /dev/null
+++ b/mods/ITEMS/mcl_fireworks/init.lua
@@ -0,0 +1,4 @@
+local path = minetest.get_modpath("mcl_fireworks")
+
+dofile(path .. "/register.lua")
+dofile(path .. "/crafting.lua")
\ No newline at end of file
diff --git a/mods/ITEMS/mcl_fireworks/locale/mcl_fireworks.de.tr b/mods/ITEMS/mcl_fireworks/locale/mcl_fireworks.de.tr
new file mode 100644
index 000000000..9f9098103
--- /dev/null
+++ b/mods/ITEMS/mcl_fireworks/locale/mcl_fireworks.de.tr
@@ -0,0 +1,3 @@
+# textdomain: mcl_fireworks
+Firework Rocket=Feuerwerksrakete
+Flight Duration:=Flugdauer:
\ No newline at end of file
diff --git a/mods/ITEMS/mcl_fireworks/register.lua b/mods/ITEMS/mcl_fireworks/register.lua
new file mode 100644
index 000000000..cce36042a
--- /dev/null
+++ b/mods/ITEMS/mcl_fireworks/register.lua
@@ -0,0 +1,69 @@
+local S = minetest.get_translator("mcl_fireworks")
+
+player_rocketing = {}
+
+local help = S("Flight Duration:")
+local description = S("Firework Rocket")
+local rocket_sound = function()
+    minetest.sound_play("mcl_fireworks_rocket")
+end
+
+minetest.register_craftitem("mcl_fireworks:rocket_1", {
+    description = description,
+    _tt_help = help.." 1",
+    inventory_image = "mcl_fireworks_rocket.png",
+    stack_max = 64,
+    on_use = function(itemstack, user, pointed_thing)
+      local torso = user:get_inventory():get_stack("armor", 3)
+      if torso and torso:get_name() == "mcl_armor:elytra" and player_rocketing[user] ~= true then
+        player_rocketing[user] = true
+        minetest.after(2.2, function()
+          player_rocketing[user] = false
+        end)
+        itemstack:take_item()
+	      --user:add_player_velocity(vector.multiply(user:get_look_dir(), 20))
+        rocket_sound()
+      end
+      return itemstack
+    end,
+})
+
+minetest.register_craftitem("mcl_fireworks:rocket_2", {
+    description = description,
+    _tt_help = help.." 2",
+    inventory_image = "mcl_fireworks_rocket.png",
+    stack_max = 64,
+    on_use = function(itemstack, user, pointed_thing)
+      local torso = user:get_inventory():get_stack("armor", 3)
+      if torso and torso:get_name() == "mcl_armor:elytra" and player_rocketing[user] ~= true then
+        player_rocketing[user] = true
+        minetest.after(4.5, function()
+          player_rocketing[user] = false
+        end)
+        itemstack:take_item()
+	      --user:add_player_velocity(vector.multiply(user:get_look_dir(), 20))
+        rocket_sound()
+      end
+      return itemstack
+    end,
+})
+
+minetest.register_craftitem("mcl_fireworks:rocket_3", {
+    description = description,
+    _tt_help = help.." 3",
+    inventory_image = "mcl_fireworks_rocket.png",
+    stack_max = 64,
+    on_use = function(itemstack, user, pointed_thing)
+      local torso = user:get_inventory():get_stack("armor", 3)
+      if torso and torso:get_name() == "mcl_armor:elytra" and player_rocketing[user] ~= true then
+        player_rocketing[user] = true
+        minetest.after(6, function()
+          player_rocketing[user] = false
+        end)
+        itemstack:take_item()
+	      --user:add_player_velocity(vector.multiply(user:get_look_dir(), 20))
+        rocket_sound()
+      end
+      return itemstack
+    end,
+})
diff --git a/mods/ITEMS/mcl_fireworks/sounds/mcl_fireworks_rocket.ogg b/mods/ITEMS/mcl_fireworks/sounds/mcl_fireworks_rocket.ogg
new file mode 100644
index 000000000..aa232f0de
Binary files /dev/null and b/mods/ITEMS/mcl_fireworks/sounds/mcl_fireworks_rocket.ogg differ
diff --git a/mods/ITEMS/mcl_fireworks/textures/mcl_fireworks_rocket.png b/mods/ITEMS/mcl_fireworks/textures/mcl_fireworks_rocket.png
new file mode 100644
index 000000000..682a8c40d
Binary files /dev/null and b/mods/ITEMS/mcl_fireworks/textures/mcl_fireworks_rocket.png differ
diff --git a/mods/ITEMS/mcl_potions/functions.lua b/mods/ITEMS/mcl_potions/functions.lua
index 2d66611f3..769e5f5b9 100644
--- a/mods/ITEMS/mcl_potions/functions.lua
+++ b/mods/ITEMS/mcl_potions/functions.lua
@@ -698,6 +698,10 @@ function mcl_potions.healing_func(player, hp)
 
 	local obj = player:get_luaentity()
 
+	if player:get_hp() == 0 then
+		return
+	end
+
 	if obj and obj.harmed_by_heal then hp = -hp end
 
 	if hp > 0 then
diff --git a/mods/MAPGEN/mcl_dungeons/init.lua b/mods/MAPGEN/mcl_dungeons/init.lua
index dc9c6d619..928faaa11 100644
--- a/mods/MAPGEN/mcl_dungeons/init.lua
+++ b/mods/MAPGEN/mcl_dungeons/init.lua
@@ -9,15 +9,38 @@ if mcl_vars.mg_dungeons == false or mg_name == "singlenode" then
 	return
 end
 
-local min_y = math.max(mcl_vars.mg_overworld_min, mcl_vars.mg_bedrock_overworld_max) + 1
-local max_y = mcl_vars.mg_overworld_max - 1
+--lua locals
+--minetest
+local registered_nodes = minetest.registered_nodes
+local swap_node        = minetest.swap_node
+local set_node         = minetest.set_node
+local dir_to_facedir   = minetest.dir_to_facedir
+local get_meta         = minetest.get_meta
+local emerge_area      = minetest.emerge_area
 
+--vector
+local vector_add       = vector.add
+local vector_subtract  = vector.subtract
+
+--table
+local table_insert     = table.insert
+local table_sort       = table.sort
+
+--math
+local math_min         = math.min
+local math_max         = math.max
+local math_ceil        = math.ceil
+
+--custom mcl_vars
 local get_node = mcl_vars.get_node
 
+
+local min_y = math_max(mcl_vars.mg_overworld_min, mcl_vars.mg_bedrock_overworld_max) + 1
+local max_y = mcl_vars.mg_overworld_max - 1
 -- Calculate the number of dungeon spawn attempts
 -- In Minecraft, there 8 dungeon spawn attempts Minecraft chunk (16*256*16 = 65536 blocks).
 -- Minetest chunks don't have this size, so scale the number accordingly.
-local attempts = math.ceil(((mcl_vars.chunksize * mcl_vars.MAP_BLOCKSIZE) ^ 3) / 8192) -- 63 = 80*80*80/8192
+local attempts = math_ceil(((mcl_vars.chunksize * mcl_vars.MAP_BLOCKSIZE) ^ 3) / 8192) -- 63 = 80*80*80/8192
 
 local dungeonsizes = {
 	{ x=5, y=4, z=5},
@@ -51,8 +74,8 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 	local y_floor = y
 	local y_ceiling = y + dim.y + 1
 	if check then for tx = x+1, x+dim.x do for tz = z+1, z+dim.z do
-		if not minetest.registered_nodes[get_node({x = tx, y = y_floor  , z = tz}).name].walkable
-		or not minetest.registered_nodes[get_node({x = tx, y = y_ceiling, z = tz}).name].walkable then return false end
+		if not registered_nodes[get_node({x = tx, y = y_floor  , z = tz}).name].walkable
+		or not registered_nodes[get_node({x = tx, y = y_ceiling, z = tz}).name].walkable then return false end
 	end end end
 
 	-- Check for air openings (2 stacked air at ground level) in wall positions
@@ -69,25 +92,25 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 		openings_counter = openings_counter + 1
 		if not openings[x] then openings[x]={} end
 		openings[x][z] = true
-		table.insert(corners, {x=x, z=z})
+		table_insert(corners, {x=x, z=z})
 	end
 	if get_node({x=x2, y=y+1, z=z}).name == "air" and get_node({x=x2, y=y+2, z=z}).name == "air" then
 		openings_counter = openings_counter + 1
 		if not openings[x2] then openings[x2]={} end
 		openings[x2][z] = true
-		table.insert(corners, {x=x2, z=z})
+		table_insert(corners, {x=x2, z=z})
 	end
 	if get_node({x=x, y=y+1, z=z2}).name == "air" and get_node({x=x, y=y+2, z=z2}).name == "air" then
 		openings_counter = openings_counter + 1
 		if not openings[x] then openings[x]={} end
 		openings[x][z2] = true
-		table.insert(corners, {x=x, z=z2})
+		table_insert(corners, {x=x, z=z2})
 	end
 	if get_node({x=x2, y=y+1, z=z2}).name == "air" and get_node({x=x2, y=y+2, z=z2}).name == "air" then
 		openings_counter = openings_counter + 1
 		if not openings[x2] then openings[x2]={} end
 		openings[x2][z2] = true
-		table.insert(corners, {x=x2, z=z2})
+		table_insert(corners, {x=x2, z=z2})
 	end
 
 	for wx = x+1, x+dim.x do
@@ -180,16 +203,16 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 			secondChance = false
 		end
 		lastRandom = r
-		table.insert(chestSlots, r)
+		table_insert(chestSlots, r)
 	end
-	table.sort(chestSlots)
+	table_sort(chestSlots)
 	local currentChest = 1
 
 	-- Calculate the mob spawner position, to be re-used for later
-	local sp = {x = x + math.ceil(dim.x/2), y = y+1, z = z + math.ceil(dim.z/2)}
-	local rn = minetest.registered_nodes[get_node(sp).name]
+	local sp = {x = x + math_ceil(dim.x/2), y = y+1, z = z + math_ceil(dim.z/2)}
+	local rn = registered_nodes[get_node(sp).name]
 	if rn and rn.is_ground_content then
-		table.insert(spawner_posses, sp)
+		table_insert(spawner_posses, sp)
 	end
 
 	-- Generate walls and floor
@@ -203,13 +226,13 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 		-- Do not overwrite nodes with is_ground_content == false (e.g. bedrock)
 		-- Exceptions: cobblestone and mossy cobblestone so neighborings dungeons nicely connect to each other
 		local name = get_node(p).name
-		if minetest.registered_nodes[name].is_ground_content or name == "mcl_core:cobble" or name == "mcl_core:mossycobble" then
+		if registered_nodes[name].is_ground_content or name == "mcl_core:cobble" or name == "mcl_core:mossycobble" then
 			-- Floor
 			if ty == y then
 				if pr:next(1,4) == 1 then
-					minetest.swap_node(p, {name = "mcl_core:cobble"})
+					swap_node(p, {name = "mcl_core:cobble"})
 				else
-					minetest.swap_node(p, {name = "mcl_core:mossycobble"})
+					swap_node(p, {name = "mcl_core:mossycobble"})
 				end
 
 				-- Generate walls
@@ -221,14 +244,14 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 				-- Check if it's an opening first
 				if (ty == maxy) or (not (openings[tx] and openings[tx][tz]))  then
 					-- Place wall or ceiling
-					minetest.swap_node(p, {name = "mcl_core:cobble"})
+					swap_node(p, {name = "mcl_core:cobble"})
 				elseif ty < maxy - 1 then
 					-- Normally the openings are already clear, but not if it is a corner
 					-- widening. Make sure to clear at least the bottom 2 nodes of an opening.
-					if name ~= "air" then minetest.swap_node(p, {name = "air"}) end
+					if name ~= "air" then swap_node(p, {name = "air"}) end
 				elseif name ~= "air" then
 					-- This allows for variation between 2-node and 3-node high openings.
-					minetest.swap_node(p, {name = "mcl_core:cobble"})
+					swap_node(p, {name = "mcl_core:cobble"})
 				end
 				-- If it was an opening, the lower 3 blocks are not touched at all
 
@@ -236,9 +259,9 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 			else
 				if (ty==y+1) and (tx==x+1 or tx==maxx-1 or tz==z+1 or tz==maxz-1) and (currentChest < totalChests + 1) and (chestSlots[currentChest] == chestSlotCounter) then
 					currentChest = currentChest + 1
-					table.insert(chests, {x=tx, y=ty, z=tz})
+					table_insert(chests, {x=tx, y=ty, z=tz})
 				else
-					minetest.swap_node(p, {name = "air"})
+					swap_node(p, {name = "air"})
 				end
 
 				local forChest = ty==y+1 and (tx==x+1 or tx==maxx-1 or tz==z+1 or tz==maxz-1)
@@ -246,9 +269,9 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 				-- Place next chest at the wall (if it was its chosen wall slot)
 				if forChest and (currentChest < totalChests + 1) and (chestSlots[currentChest] == chestSlotCounter) then
 					currentChest = currentChest + 1
-					table.insert(chests, {x=tx, y=ty, z=tz})
+					table_insert(chests, {x=tx, y=ty, z=tz})
 				-- else
-					--minetest.swap_node(p, {name = "air"})
+					--swap_node(p, {name = "air"})
 				end
 				if forChest then
 					chestSlotCounter = chestSlotCounter + 1
@@ -263,15 +286,15 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 		local surroundings = {}
 		for s=1, #surround_vectors do
 			-- Detect the 4 horizontal neighbors
-			local spos = vector.add(pos, surround_vectors[s])
-			local wpos = vector.subtract(pos, surround_vectors[s])
+			local spos = vector_add(pos, surround_vectors[s])
+			local wpos = vector_subtract(pos, surround_vectors[s])
 			local nodename = get_node(spos).name
 			local nodename2 = get_node(wpos).name
-			local nodedef = minetest.registered_nodes[nodename]
-			local nodedef2 = minetest.registered_nodes[nodename2]
+			local nodedef = registered_nodes[nodename]
+			local nodedef2 = registered_nodes[nodename2]
 			-- The chest needs an open space in front of it and a walkable node (except chest) behind it
 			if nodedef and nodedef.walkable == false and nodedef2 and nodedef2.walkable == true and nodename2 ~= "mcl_chests:chest" then
-				table.insert(surroundings, spos)
+				table_insert(surroundings, spos)
 			end
 		end
 		-- Set param2 (=facedir) of this chest
@@ -282,11 +305,11 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 		else
 			-- 1 or multiple possible open directions: Choose random facedir
 			local face_to = surroundings[pr:next(1, #surroundings)]
-			facedir = minetest.dir_to_facedir(vector.subtract(pos, face_to))
+			facedir = dir_to_facedir(vector_subtract(pos, face_to))
 		end
 
-		minetest.set_node(pos, {name="mcl_chests:chest", param2=facedir})
-		local meta = minetest.get_meta(pos)
+		set_node(pos, {name="mcl_chests:chest", param2=facedir})
+		local meta = get_meta(pos)
 
 		local loottable =
 		{
@@ -336,7 +359,7 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 
 		-- Bonus loot for v6 mapgen: Otherwise unobtainable saplings.
 		if mg_name == "v6" then
-			table.insert(loottable, {
+			table_insert(loottable, {
 				stacks_min = 1,
 				stacks_max = 3,
 				items = {
@@ -356,7 +379,7 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 	for s=#spawner_posses, 1, -1 do
 		local sp = spawner_posses[s]
 		-- ... and place it and select a random mob
-		minetest.set_node(sp, {name = "mcl_mobspawners:spawner"})
+		set_node(sp, {name = "mcl_mobspawners:spawner"})
 		local mobs = {
 			"mobs_mc:zombie",
 			"mobs_mc:zombie",
@@ -370,7 +393,7 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
 end
 
 local function dungeons_nodes(minp, maxp, blockseed)
-	local ymin, ymax = math.max(min_y, minp.y),  math.min(max_y, maxp.y)
+	local ymin, ymax = math_max(min_y, minp.y),  math_min(max_y, maxp.y)
 	if ymax < ymin then return false end
 	local pr = PseudoRandom(blockseed)
 	for a=1, attempts do
@@ -382,7 +405,7 @@ local function dungeons_nodes(minp, maxp, blockseed)
 		local p2 = {x = x+dim.x+1, y = y+dim.y+1, z = z+dim.z+1}
 		minetest.log("verbose","[mcl_dungeons] size=" ..minetest.pos_to_string(dim) .. ", emerge from "..minetest.pos_to_string(p1) .. " to " .. minetest.pos_to_string(p2))
 		local param = {p1=p1, p2=p2, dim=dim, pr=pr}
-		minetest.emerge_area(p1, p2, ecb_spawn_dungeon, param)
+		emerge_area(p1, p2, ecb_spawn_dungeon, param)
 	end
 end
 
@@ -392,7 +415,7 @@ function mcl_dungeons.spawn_dungeon(p1, _, pr)
 	local p2 = {x = p1.x+dim.x+1, y = p1.y+dim.y+1, z = p1.z+dim.z+1}
 	minetest.log("verbose","[mcl_dungeons] size=" ..minetest.pos_to_string(dim) .. ", emerge from "..minetest.pos_to_string(p1) .. " to " .. minetest.pos_to_string(p2))
 	local param = {p1=p1, p2=p2, dim=dim, pr=pr, dontcheck=true}
-	minetest.emerge_area(p1, p2, ecb_spawn_dungeon, param)
+	emerge_area(p1, p2, ecb_spawn_dungeon, param)
 end
 
 mcl_mapgen_core.register_generator("dungeons", nil, dungeons_nodes, 999999)
diff --git a/mods/PLAYER/mcl_playerplus/init.lua b/mods/PLAYER/mcl_playerplus/init.lua
index 4177a9d55..fa735a5cd 100644
--- a/mods/PLAYER/mcl_playerplus/init.lua
+++ b/mods/PLAYER/mcl_playerplus/init.lua
@@ -1,6 +1,6 @@
 local S = minetest.get_translator("mcl_playerplus")
 
-local elytra = {}
+elytra = {}
 
 local node_stand_return = ":air"
 local get_connected_players = minetest.get_connected_players
@@ -24,6 +24,7 @@ local mcl_playerplus_internal = {}
 
 local def = {}
 local time = 0
+local look_pitch = 0
 
 local player_collision = function(player)
 
@@ -175,7 +176,7 @@ minetest.register_globalstep(function(dtime)
 
 		]]--
 
-		local controls = player:get_player_control()
+		local control = player:get_player_control()
 		local name = player:get_player_name()
 		local meta = player:get_meta()
 		local parent = player:get_attach()
@@ -184,7 +185,7 @@ minetest.register_globalstep(function(dtime)
 
 		local wielded_def = wielded:get_definition()
 
-		-- controls head bone
+		-- control head bone
 		local pitch = - degrees(player:get_look_vertical())
 		local yaw = degrees(player:get_look_horizontal())
 
@@ -196,16 +197,44 @@ minetest.register_globalstep(function(dtime)
 		player_vel_yaws[name] = player_vel_yaw
 
 		if minetest.get_node_or_nil({x=player:get_pos().x, y=player:get_pos().y - 0.5, z=player:get_pos().z}) then
-			node_stand_return = minetest.get_node_or_nil({x=player:get_pos().x, y=player:get_pos().y - 0.5, z=player:get_pos().z}).name
+			node_stand_return = minetest.get_node_or_nil({x=player:get_pos().x, y=player:get_pos().y - 0.1, z=player:get_pos().z}).name
 		else
 			-- minetest.log("action", "somehow player got of loaded areas")
 		end
 
+		local chestplate = player:get_inventory():get_stack("armor", 3)
+
+		if player_rocketing[player] and player_rocketing[player] == true and chestplate:get_name() == "mcl_armor:elytra" then
+			if math.abs(player_velocity.x) + math.abs(player_velocity.y) + math.abs(player_velocity.z) < 40 then
+				player:add_player_velocity(vector.multiply(player:get_look_dir(), 4))
+				elytra[player] = true
+			end
+		end
+
+
+		controls.register_on_press(function(player, key)
+			if key~="jump" and key~="RMB" then return end
+			if key=="jump" then
+				if player:get_inventory():get_stack("armor", 3):get_name() == "mcl_armor:elytra" and player_velocity.y < -6 and elytra[player] ~= true then
+					elytra[player] = true
+				elseif key=="RMB" then
+					if wielded:get_name() == "mcl_tools:rocket" then
+						local item = wielded:take_item()
+						player:set_wielded_item(wielded)
+					end
+				end
+			end
+		end)
+
+		if elytra[player] == true and node_stand_return ~= "air" or elytra[player] == true and player:get_inventory():get_stack("armor", 3):get_name() ~= "mcl_armor:elytra" or player:get_attach() ~= nil then
+			elytra[player] = false
+		end
+--[[
 		if player:get_inventory():get_stack("armor", 3):get_name() == "mcl_armor:elytra" and player_velocity.y < -6 and elytra[player] ~= true and is_sprinting(name) then
 			elytra[player] = true
 		elseif elytra[player] == true and node_stand_return ~= "air" or elytra[player] == true and player:get_inventory():get_stack("armor", 3):get_name() ~= "mcl_armor:elytra" or player:get_attach() ~= nil then
 			elytra[player] = false
-		end
+		end]]
 
 		if elytra[player] == true then
 			mcl_player.player_set_animation(player, "fly")
@@ -215,12 +244,12 @@ minetest.register_globalstep(function(dtime)
 			end
 			if math.abs(player_velocity.x) + math.abs(player_velocity.z) < 20 then
 				local dir = minetest.yaw_to_dir(player:get_look_horizontal())
-				player:add_velocity({x=dir.x, y=0, z=dir.z})
-			end
-			if controls.sneak then
-				if player_velocity.y > -5 then
-					player:add_velocity({x=0, y=-2, z=0})
+				if degrees(player:get_look_vertical()) * -.01 < .1 then
+					look_pitch = degrees(player:get_look_vertical()) * -.01
+				else
+					look_pitch = .1
 				end
+				player:add_velocity({x=dir.x, y=look_pitch, z=dir.z})
 			end
 		else
 			playerphysics.remove_physics_factor(player, "gravity", "mcl_playerplus:elytra")
@@ -235,11 +264,11 @@ minetest.register_globalstep(function(dtime)
 		end
 
 		-- controls right and left arms pitch when shooting a bow
-		if string.find(wielded:get_name(), "mcl_bows:bow") and controls.RMB and not controls.LMB and not controls.up and not controls.down and not controls.left and not controls.right then
+		if string.find(wielded:get_name(), "mcl_bows:bow") and control.RMB and not control.LMB and not control.up and not control.down and not control.left and not control.right then
 			player:set_bone_position("Arm_Right_Pitch_Control", vector.new(-3,5.785,0), vector.new(pitch+90,-30,pitch * -1 * .35))
 			player:set_bone_position("Arm_Left_Pitch_Control", vector.new(3.5,5.785,0), vector.new(pitch+90,43,pitch * .35))
 		-- when punching
-		elseif controls.LMB and not parent then
+		elseif control.LMB and not parent then
 			player:set_bone_position("Arm_Right_Pitch_Control", vector.new(-3,5.785,0), vector.new(pitch,0,0))
 			player:set_bone_position("Arm_Left_Pitch_Control", vector.new(3,5.785,0), vector.new(0,0,0))
 		-- when holding an item.
@@ -256,15 +285,15 @@ minetest.register_globalstep(function(dtime)
 			-- set head pitch and yaw when swimming
 			player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch+90-degrees(dir_to_pitch(player_velocity)),player_vel_yaw - yaw,0))
 			-- sets eye height, and nametag color accordingly
-			player:set_properties({collisionbox = {-0.35,0,-0.35,0.35,0.8,0.35}, eye_height = 0.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
+			player:set_properties({collisionbox = {-0.35,0,-0.35,0.35,0.8,0.35}, eye_height = 0.5, nametag_color = { r = 225, b = 225, a = 0, g = 225 }})
 			-- control body bone when swimming
 			player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(degrees(dir_to_pitch(player_velocity)) - 90,-player_vel_yaw + yaw + 180,0))
 		elseif parent then
 			local parent_yaw = degrees(parent:get_yaw())
-			player:set_properties({collisionbox = {-0.312,0,-0.312,0.312,1.8,0.312}, eye_height = 1.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
+			player:set_properties({collisionbox = {-0.312,0,-0.312,0.312,1.8,0.312}, eye_height = 1.5, nametag_color = { r = 225, b = 225, a = 0, g = 225 }})
 			player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch, -limit_vel_yaw(yaw, parent_yaw) + parent_yaw, 0))
 			player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(0,0,0))
-		elseif controls.sneak then
+		elseif control.sneak then
 			-- controls head pitch when sneaking
 			player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch+36,0,0))
 			-- sets eye height, and nametag color accordingly
@@ -275,12 +304,12 @@ minetest.register_globalstep(function(dtime)
 			-- set head pitch and yaw when swimming
 			player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch+90-degrees(dir_to_pitch(player_velocity)),player_vel_yaw - yaw,0))
 			-- sets eye height, and nametag color accordingly
-			player:set_properties({collisionbox = {-0.312,0,-0.312,0.312,0.8,0.312}, eye_height = 0.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
+			player:set_properties({collisionbox = {-0.312,0,-0.312,0.312,0.8,0.312}, eye_height = 0.5, nametag_color = { r = 225, b = 225, a = 0, g = 225 }})
 			-- control body bone when swimming
 			player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(degrees(dir_to_pitch(player_velocity)) - 90,-player_vel_yaw + yaw + 180,0))
 		else
 			-- sets eye height, and nametag color accordingly
-			player:set_properties({collisionbox = {-0.312,0,-0.312,0.312,1.8,0.312}, eye_height = 1.5, nametag_color = { r = 225, b = 225, a = 225, g = 225 }})
+			player:set_properties({collisionbox = {-0.312,0,-0.312,0.312,1.8,0.312}, eye_height = 1.5, nametag_color = { r = 225, b = 225, a = 0, g = 225 }})
 
 			player:set_bone_position("Head", vector.new(0,6.3,0), vector.new(pitch, player_vel_yaw - yaw, 0))
 			player:set_bone_position("Body_Control", vector.new(0,6.3,0), vector.new(0, -player_vel_yaw + yaw, 0))
@@ -293,7 +322,7 @@ minetest.register_globalstep(function(dtime)
 			mcl_playerplus_internal[name].jump_cooldown = mcl_playerplus_internal[name].jump_cooldown - dtime
 		end
 
-		if controls.jump and mcl_playerplus_internal[name].jump_cooldown <= 0 then
+		if control.jump and mcl_playerplus_internal[name].jump_cooldown <= 0 then
 
 			pos = player:get_pos()