jump fix, added check for rocket teleportation if mod is not installed.

crafting_recipes.lua

@@ -493,84 +493,85 @@ minetest.register_craft({
 })
 
 --Space Drive recipes
-
+if minetest.get_modpath("rocket") then
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_engine',
 		recipe = {
 			{'default:mese_crystal', 'default:steel_ingot', 'default:mese_crystal'},
 			{'default:steel_ingot', 'default:mese', 'default:steel_ingot'},
 			{'default:mese_crystal', 'rocket:rocket_thruster', 'default:mese_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:warp_drive_engine',
 		recipe = {
 			{'space_travel:dark_matter_crystal', 'default:gold_ingot', 'space_travel:dark_matter_crystal'},
 			{'default:gold_ingot', 'space_travel:dark_matter_crystal_block', 'default:gold_ingot'},
 			{'space_travel:dark_matter_crystal', 'rocket:rocket_thruster', 'space_travel:dark_matter_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_1',
 		recipe = {
 			{'default:mese_crystal', 'default:steel_ingot', 'default:mese_crystal'},
 			{'default:steel_ingot', 'space_travel:space_drive_engine', 'default:steel_ingot'},
 			{'default:mese_crystal', 'default:steel_ingot', 'default:mese_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_2',
 		recipe = {
 			{'space_travel:lunar_spinel_gem', 'space_travel:titanium_ingot', 'space_travel:lunar_spinel_gem'},
 			{'space_travel:titanium_ingot', 'space_travel:space_drive_engine', 'space_travel:titanium_ingot'},
 			{'space_travel:lunar_spinel_gem', 'space_travel:titanium_ingot', 'space_travel:lunar_spinel_gem'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_3',
 		recipe = {
 			{'space_travel:martian_ice_crystal', 'space_travel:titanium_ingot', 'space_travel:martian_ice_crystal'},
 			{'space_travel:titanium_ingot', 'space_travel:space_drive_engine', 'space_travel:titanium_ingot'},
 			{'space_travel:martian_ice_crystal', 'space_travel:titanium_ingot', 'space_travel:martian_ice_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_4',
 		recipe = {
 			{'space_travel:solar_mese_crystal', 'space_travel:lead_ingot', 'space_travel:solar_mese_crystal'},
 			{'space_travel:lead_ingot', 'space_travel:space_drive_engine', 'space_travel:lead_ingot'},
 			{'space_travel:solar_mese_crystal', 'space_travel:lead_ingot', 'space_travel:solar_mese_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_5',
 		recipe = {
 			{'space_travel:lava_crystal', 'space_travel:lead_ingot', 'space_travel:lava_crystal'},
 			{'space_travel:lead_ingot', 'space_travel:space_drive_engine', 'space_travel:lead_ingot'},
 			{'space_travel:lava_crystal', 'space_travel:lead_ingot', 'space_travel:lava_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_6',
 		recipe = {
 			{'space_travel:titan_alien_crystal', 'space_travel:titanium_ingot', 'space_travel:titan_alien_crystal'},
 			{'space_travel:titanium_ingot', 'space_travel:space_drive_engine', 'space_travel:titanium_ingot'},
 			{'space_travel:titan_alien_crystal', 'space_travel:titanium_ingot', 'space_travel:titan_alien_crystal'},
 		}
-})
+	})
 
-minetest.register_craft({
+	minetest.register_craft({
 		output = 'space_travel:space_drive_7',
 		recipe = {
 			{'space_travel:dark_matter_crystal', 'default:gold_ingot', 'space_travel:dark_matter_crystal'},
 			{'default:gold_ingot', 'space_travel:warp_drive_engine', 'default:gold_ingot'},
 			{'space_travel:dark_matter_crystal', 'default:gold_ingot', 'space_travel:dark_matter_crystal'},
 		}
-})
+	})
+end

sky.lua

@@ -316,6 +316,18 @@ minetest.register_on_joinplayer(function(player)
 	sky_defaults.col, sky_defaults.tp, sky_defaults.tex, sky_defaults.cl = player:get_sky()
 end)
 
+local player_weightlessness = {}
+local function set_weightlessness(name, par)
+	player_weightlessness[name] = par
+end
+
+local function get_weightlessness(name)
+	if type(player_weightlessness[name]) ~= 'nil' then
+		return player_weightlessness[name]
+	end
+	return false
+end
+
 minetest.register_globalstep(function(dtime)
 	time = time + dtime
 	if time > 1 then
@@ -347,39 +359,51 @@ minetest.register_globalstep(function(dtime)
 					thickness = 16,
 					speed ={x=0, z=-2},
 				})
+				if get_weightlessness(name) == true then
 					player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+					set_weightlessness(name, false)
+				end
+				return
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.yarth and pos.y < space_travel.yarth_orbit then --Earth orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", earth_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.yarth_orbit and pos.y < space_travel.luna then --Moon sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", moon_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.luna and pos.y < space_travel.luna_orbit then --Moon orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", moon_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.luna_orbit and pos.y < space_travel.mars and day_time then --Mars sky at day
 				player:set_sky({r=219, g=168, b=117}, "plain", {})
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.luna_orbit and pos.y < space_travel.mars and (not day_time) then --Mars sky at night
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", mars_night)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.mars and pos.y < space_travel.mars_orbit then --Mars orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", mars_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.mars_orbit and pos.y < space_travel.mercury then --Mercury sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", mercury_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.mercury and pos.y < space_travel.mercury_orbit then --Mercury orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", mercury_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.mercury and pos.y < space_travel.venus and day_time then --Venus sky at day
 				player:set_sky({r=208, g=177, b=11}, "plain", {})
 				player:set_clouds({
@@ -391,6 +415,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=10},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.mercury and pos.y < space_travel.venus and (not day_time) then --Venus sky at night
 				player:set_sky({r=102, g=87, b=5}, "plain", {})
 				player:set_clouds({
@@ -402,6 +427,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=10},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.venus and pos.y < space_travel.venus_orbit then --Venus orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", venus_space)
 				player:set_clouds({density = 0})
@@ -410,34 +436,42 @@ minetest.register_globalstep(function(dtime)
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", jupiter_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.ganymede and pos.y < space_travel.ganymede_orbit then --Ganymede orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", ganymede_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.ganymede_orbit and pos.y < space_travel.callisto then --Callisto sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", jupiter_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.callisto and pos.y < space_travel.callisto_orbit then --Callisto orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", callisto_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.callisto_orbit and pos.y < space_travel.io then --Io sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", jupiter_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.io and pos.y < space_travel.io_orbit then --Io orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", io_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.io_orbit and pos.y < space_travel.europa then --Europa sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", jupiter_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.europa and pos.y < space_travel.europa_orbit then --Europa orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", europa_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.europa_orbit and pos.y < space_travel.titan and day_time then --Titan sky at day
 				player:set_sky({r = 239, g = 194, b = 109}, "skybox", titan_sky)
 				player:set_clouds({
@@ -449,6 +483,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-6},
 				})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.europa_orbit and pos.y < space_travel.titan and (not day_time) then --Titan sky at night
 				player:set_sky({r = 128, g = 103, b = 58}, "plain", {})
 				player:set_clouds({
@@ -460,54 +495,67 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-6},
 				})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.titan and pos.y < space_travel.titan_orbit then --Titan orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", saturn_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.titan_orbit and pos.y < space_travel.oberon then --Oberon sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", uranus_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.oberon and pos.y < space_travel.oberon_orbit then --Oberon orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", uranus_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.oberon_orbit and pos.y < space_travel.triton then --Triton sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", neptune_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.triton and pos.y < space_travel.triton_orbit then --Triton orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", neptune_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.triton_orbit and pos.y < space_travel.pluto then --Pluto sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", pluto_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.pluto and pos.y < space_travel.pluto_orbit then --Pluto orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", pluto_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.pluto_orbit and pos.y < space_travel.charon then --Charon sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", charon_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.charon and pos.y < space_travel.charon_orbit then --Charon orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", charon_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.charon_orbit and pos.y < space_travel.sedna then --Sedna sky
 				player:set_sky({r = 118, g = 84, b = 84}, "skybox", sedna_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.sedna and pos.y < space_travel.sedna_orbit then --Sedna orbit
 				player:set_sky({r = 118, g = 84, b = 84}, "skybox", sedna_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.sedna_orbit and pos.y < space_travel.asteriod_belt then --Asteriod belt sky
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", cosmos_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.asteriod_belt and pos.y < space_travel.asteriod_belt_orbit and day_time then --Minerva sky at day
 				player:set_sky({r=249, g=139, b=139}, "plain", {})
 				player:set_clouds({
@@ -519,6 +567,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-2},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.asteriod_belt and pos.y < space_travel.asteriod_belt_orbit and (not day_time) then --Minerva sky at night
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", minerva_night)
 				player:set_clouds({
@@ -530,6 +579,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-2},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.minerva and pos.y < space_travel.minerva_orbit then --Minerva orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", minerva_space)
 				player:set_clouds({density = 0})
@@ -545,6 +595,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-2},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.minerva_orbit and pos.y < space_travel.bacchus and (not day_time) then --Bacchus sky at night
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", minerva_night)
 				player:set_clouds({
@@ -556,22 +607,27 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-2},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.bacchus and pos.y < space_travel.bacchus_orbit then --Bacchus orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", bacchus_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.bacchus_orbit and pos.y < space_travel.ourea and day_time then --Ourea sky at day
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", ourea_sky)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.bacchus_orbit and pos.y < space_travel.ourea and (not day_time) then --Ourea night at day
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", caelus_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.ourea and pos.y < space_travel.ourea_orbit then --Ourea orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", caelus_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.ourea_orbit and pos.y < space_travel.osiris and day_time then --Osiris sky at day
 				player:set_sky({r=247, g=180, b=138}, "plain", {})
 				player:set_clouds({
@@ -583,6 +639,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-2},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.ourea_orbit and pos.y < space_travel.osiris and (not day_time) then --Osiris sky at night
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", osiris_night)
 				player:set_clouds({
@@ -594,6 +651,7 @@ minetest.register_globalstep(function(dtime)
 					speed ={x=0, z=-2},
 				})
 				player:set_physics_override(1, 1, 1) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.osiris and pos.y < space_travel.osiris_orbit then --Osiris orbit
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", osiris_space)
 				player:set_clouds({density = 0})
@@ -602,6 +660,7 @@ minetest.register_globalstep(function(dtime)
 				player:set_sky({r=117, g=219, b=170}, "plain", {})
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			elseif minetest.get_player_by_name(name) and pos.y >= space_travel.osiris_orbit and pos.y < space_travel.minthe and (not day_time) then --Minthe sky at night
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", minthe_night)
 				player:set_clouds({density = 0})
@@ -610,6 +669,7 @@ minetest.register_globalstep(function(dtime)
 				player:set_sky({r = 0, g = 0, b = 0}, "skybox", minthe_space)
 				player:set_clouds({density = 0})
 				player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+				set_weightlessness(name, true)
 			end
 			--End of important code
 		end

space_drives.lua

@@ -632,7 +632,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
     end
 end)
 
-minetest.register_tool("space_travel:space_drive_1", {
+if minetest.get_modpath("rocket") then
+	minetest.register_tool("space_travel:space_drive_1", {
 		description = "Tier I Basic Space Drive\n\nCan fly to the Moon.",
 		inventory_image = "space_travel_space_drive_1.png",
 		on_use = function(itemstack, user, pointed_thing)
@@ -644,9 +645,9 @@ minetest.register_tool("space_travel:space_drive_1", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
 
-minetest.register_tool("space_travel:space_drive_2", {
+	minetest.register_tool("space_travel:space_drive_2", {
 		description = "Tier II Lunar Drive\n\nGo to Mars on your first interplanetary voyage.\nYou can also go to the asteriod belt.",
 		inventory_image = "space_travel_space_drive_2.png",
 		on_use = function(itemstack, user, pointed_thing)
@@ -658,9 +659,9 @@ minetest.register_tool("space_travel:space_drive_2", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
 
-minetest.register_tool("space_travel:space_drive_3", {
+	minetest.register_tool("space_travel:space_drive_3", {
 		description = "Tier III Martian Drive\n\nYou can now visit the inner solar system.",
 		inventory_image = "space_travel_space_drive_3.png^[colorize:#cf411b66",
 		on_use = function(itemstack, user, pointed_thing)
@@ -672,9 +673,9 @@ minetest.register_tool("space_travel:space_drive_3", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
 
-minetest.register_tool("space_travel:space_drive_4", {
+	minetest.register_tool("space_travel:space_drive_4", {
 		description = "Tier IV Solar Drive\n\nGo to the Jupiter system on your first trip\ninto the outer solar system.",
 		inventory_image = "space_travel_space_drive_4.png",
 		on_use = function(itemstack, user, pointed_thing)
@@ -686,9 +687,9 @@ minetest.register_tool("space_travel:space_drive_4", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
 
-minetest.register_tool("space_travel:space_drive_5", {
+	minetest.register_tool("space_travel:space_drive_5", {
 		description = "Tier V Lava Drive\n\nYou can now visit the rest of the gas giant systems.\nThe most notable location is Titan.",
 		inventory_image = "space_travel_space_drive_5.png",
 		on_use = function(itemstack, user, pointed_thing)
@@ -700,9 +701,9 @@ minetest.register_tool("space_travel:space_drive_5", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
 
-minetest.register_tool("space_travel:space_drive_6", {
+	minetest.register_tool("space_travel:space_drive_6", {
 		description = "Tier VI Titan Drive\n\nYou can now explore the edge of the solar system\nand visit trans-neptunian objects.",
 		inventory_image = "space_travel_space_drive_6.png^[colorize:#ebb34766",
 		on_use = function(itemstack, user, pointed_thing)
@@ -714,9 +715,9 @@ minetest.register_tool("space_travel:space_drive_6", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
 
-minetest.register_tool("space_travel:space_drive_7", {
+	minetest.register_tool("space_travel:space_drive_7", {
 		description = "Tier VII Warp Drive\n\nYou can now travel interstellar.\nSeek out strange new worlds and life forms.",
 		inventory_image = "space_travel_space_drive_7.png",
 		on_use = function(itemstack, user, pointed_thing)
@@ -728,4 +729,5 @@ minetest.register_tool("space_travel:space_drive_7", {
 				minetest.chat_send_player(name, "You are not in a space shuttle.")
 			end
 		end
-})
+	})
+end