[READY]] FLIGHTPACKS (AKA cooler, better, and technological wings with a unique gimmick!) (#20860)

* vroom

* wew

* a

* b

* morestuff

* .

* a

* .

* .

* basicsprites+extend/retract

* ...

* .

* thanks travis

* woops

* thankstravisv2

* redundence

* ishouldstopmakingsomanygoddamncommits+empdamage

* stuff

* ..

* ion_trails

* fixes_conflict_1

* fix

* compilesnow

* .

* fuck

* WIP: Multi Step Assembly

* thismightfixitthismightnot

* shoe-attachment

* noselfremoval

* wooops

* tweaksandcrashing

* runtimes

* runtimesfuntimes+crash update 1

* thisprobablywontcompile

* stillwip

* githubPLEASEWORK

* fixes conflicts 3/3

* REFACTORSUNTESTED

* fixingconflicts2

* fixingconflicts3/3

* updates

* stuffs

* ...

* stillWIP

* stufffs

* .

* ..

* runtimesfuntimes2

* stuffs2

* conflictfix

* ...

* fuck

* fix

* bah merge conflicts

* knockback_testing1

* conflictfixing...

* mergeconflicts

* plop

* socloseyetsofar

* tweaksandfixes

* conflicts

* fix

* fixes

* fix

* woops

* woops2

* hotfix

* ...

* flufftextandfixes

* test

* ..

* fix1/2

* stuff

* finallysomeoneteachesmehowtofixthisshit

* FIX

* why

* .

* bitflagsshitflags1

* bitflags-shitflags2

* bitflags-shitflags2

* bitflags_shitflags_4

* autofloating

* minerbuffgetthepun?

* notouchingfloors

* ...

* .

* f l o a t

* kek

* kek

* fixes

* fixes2

* sprites

code/modules/assembly/mousetrap.dm

@@ -104,16 +104,15 @@
 
 /obj/item/device/assembly/mousetrap/Crossed(atom/movable/AM as mob|obj)
 	if(armed)
-		if(ishuman(AM))
-			var/mob/living/carbon/H = AM
-			if(H.m_intent == "run")
-				triggered(H)
-				H.visible_message("<span class='warning'>[H] accidentally steps on [src].</span>", \
-								  "<span class='warning'>You accidentally step on [src]</span>")
-		else if(isanimal(AM))
-			var/mob/living/simple_animal/SA = AM
-			if(!SA.flying)
-				triggered(AM)
+		if(ismob(AM))
+			var/mob/MM = AM
+			if(!(MM.movement_type & FLYING))
+				if(ishuman(AM))
+					var/mob/living/carbon/H = AM
+					if(H.m_intent == "run")
+						triggered(H)
+						H.visible_message("<span class='warning'>[H] accidentally steps on [src].</span>", \
+										  "<span class='warning'>You accidentally step on [src]</span>")
 		else if(AM.density) // For mousetrap grenades, set off by anything heavy
 			triggered(AM)
 	..()

code/modules/mob/living/carbon/carbon_movement.dm

@@ -1,15 +1,23 @@
 /mob/living/carbon/movement_delay()
-	. = ..()
-	. += grab_state * 3 //can't go fast while grabbing something.
+	var/FP
+	if(iscarbon(src))
+		var/mob/living/carbon/C = src
+		var/obj/item/device/flightpack/F = C.get_flightpack()
+		if(istype(F) && F.flight)
+			FP = 1
+	. = ..(FP)
+	if(!FP)
+		. += grab_state * 1	//Flightpacks are too powerful to be slowed too much by the weight of a corpse.
+	else
+		. += grab_state * 3 //can't go fast while grabbing something.
 
 	if(!get_leg_ignore()) //ignore the fact we lack legs
 		var/leg_amount = get_num_legs()
 		. += 6 - 3*leg_amount //the fewer the legs, the slower the mob
 		if(!leg_amount)
 			. += 6 - 3*get_num_arms() //crawling is harder with fewer arms
-
-	if(legcuffed)
-		. += legcuffed.slowdown
+		if(legcuffed)
+			. += legcuffed.slowdown
 
 
 var/const/NO_SLIP_WHEN_WALKING = 1
@@ -18,6 +26,8 @@ var/const/GALOSHES_DONT_HELP = 4
 var/const/SLIDE_ICE = 8
 
 /mob/living/carbon/slip(s_amount, w_amount, obj/O, lube)
+	if(movement_type & FLYING)
+		return 0
 	if(!(lube&SLIDE_ICE))
 		add_logs(src,, "slipped",, "on [O ? O.name : "floor"]")
 	return loc.handle_slip(src, s_amount, w_amount, O, lube)
@@ -29,6 +39,10 @@ var/const/SLIDE_ICE = 8
 	if(!isturf(loc))
 		return 0
 
+	var/obj/item/device/flightpack/F = get_flightpack()
+	if(istype(F) && (F.flight) && F.allow_thrust(0.01, src))
+		return 1
+
 	// Do we have a jetpack implant (and is it on)?
 	var/obj/item/organ/cyberimp/chest/thrusters/T = getorganslot("thrusters")
 	if(istype(T) && movement_dir && T.allow_thrust(0.01))
@@ -38,8 +52,6 @@ var/const/SLIDE_ICE = 8
 	if(istype(J) && (movement_dir || J.stabilizers) && J.allow_thrust(0.01, src))
 		return 1
 
-
-
 /mob/living/carbon/Move(NewLoc, direct)
 	. = ..()
 	if(.)

code/modules/mob/living/carbon/human/human.dm

@@ -911,3 +911,9 @@
 			Weaken(10)
 		return 1
 	..()
+
+/mob/living/carbon/human/Bump(atom/A)
+	..()
+	var/obj/item/device/flightpack/FP = get_flightpack()
+	if(FP)
+		FP.flight_impact(A)

code/modules/mob/living/carbon/human/human_movement.dm

@@ -3,7 +3,6 @@
 	. += ..()
 	. += config.human_delay
 
-
 /mob/living/carbon/human/slip(s_amount, w_amount, obj/O, lube)
 	if(isobj(shoes) && (shoes.flags&NOSLIP) && !(lube&GALOSHES_DONT_HELP))
 		return 0
@@ -60,4 +59,4 @@
 /mob/living/carbon/human/Process_Spacemove(movement_dir = 0) //Temporary laziness thing. Will change to handles by species reee.
 	if(..())
 		return 1
-	return dna.species.space_move()
+	return dna.species.space_move(src)

code/modules/mob/living/carbon/human/species.dm

@@ -864,15 +864,23 @@
 
 /datum/species/proc/movement_delay(mob/living/carbon/human/H)
 	. = 0
+	var/obj/item/device/flightpack/F = H.get_flightpack()
+	var/flightpack = 0
+	if(istype(F) && F.flight)
+		flightpack = 1
+	var/flight = 0
+	if(H.movement_type & FLYING)
+		flight = 1
 
-	if(H.status_flags & GOTTAGOFAST)
-		. -= 1
-	if(H.status_flags & GOTTAGOREALLYFAST)
-		. -= 2
+	if(!flightpack)
+		if(H.status_flags & GOTTAGOFAST)
+			. -= 1
+		if(H.status_flags & GOTTAGOREALLYFAST)
+			. -= 2
 
 	if(!(H.status_flags & IGNORESLOWDOWN))
 		if(!H.has_gravity())
-			if(FLYING in specflags)
+			if((H.movement_type & FLYING) && !flightpack)	//No hyperstacking angel wings!
 				. += speedmod
 				return
 			// If there's no gravity we have the sanic speed of jetpack.
@@ -888,30 +896,36 @@
 				if(istype(T) && T.allow_thrust(0.01, H))
 					. -= 2
 
-		else
+				else if(flightpack && F.allow_thrust(0.01, src))	//No jetpack/flightsuit hyperstacking!
+					. -= 1
+
+		if(H.wear_suit)
+			. += H.wear_suit.slowdown
+		if(H.shoes)
+			. += H.shoes.slowdown
+		if(H.back)
+			. += H.back.slowdown
+		for(var/obj/item/I in H.held_items)
+			if(I.flags & HANDSLOW)
+				. += I.slowdown
+		if(!(flightpack))
 			var/health_deficiency = (100 - H.health + H.staminaloss)
 			if(health_deficiency >= 40)
-				. += (health_deficiency / 25)
+				if(flight)
+					. += (health_deficiency / 75)
+				else
+					. += (health_deficiency / 25)
 
 			var/hungry = (500 - H.nutrition) / 5 // So overeat would be 100 and default level would be 80
-			if(hungry >= 70)
+			if((hungry >= 70) && !flight)		//Being hungry won't stop you from using flightpack controls/flapping your wings although it probably will in the wing case but who cares.
 				. += hungry / 50
 
-			if(H.wear_suit)
-				. += H.wear_suit.slowdown
-			if(H.shoes)
-				. += H.shoes.slowdown
-			if(H.back)
-				. += H.back.slowdown
-			for(var/obj/item/I in H.held_items)
-				if(I.flags & HANDSLOW)
-					. += I.slowdown
 			if((H.disabilities & FAT))
-				. += 1.5
+				. += (1.5 - flight)
 			if(H.bodytemperature < BODYTEMP_COLD_DAMAGE_LIMIT)
 				. += (BODYTEMP_COLD_DAMAGE_LIMIT - H.bodytemperature) / COLD_SLOWDOWN_FACTOR
 
-			. += speedmod
+ 			. += speedmod
 
 //////////////////
 // ATTACK PROCS //
@@ -1335,10 +1349,10 @@
 //Space Move//
 //////////////
 
-/datum/species/proc/space_move()
+/datum/species/proc/space_move(mob/living/carbon/human/H)
 	return 0
 
-/datum/species/proc/negates_gravity()
+/datum/species/proc/negates_gravity(mob/living/carbon/human/H)
 	return 0
 
 

code/modules/mob/living/carbon/human/species_types.dm

@@ -15,7 +15,7 @@
 
 /datum/species/human/qualifies_for_rank(rank, list/features)
 	if((!features["tail_human"] || features["tail_human"] == "None") && (!features["ears"] || features["ears"] == "None"))
-		return 1	//Pure humans are always allowed in all roles.
+		return TRUE	//Pure humans are always allowed in all roles.
 	return ..()
 
 //Curiosity killed the cat's wagging tail.
@@ -23,6 +23,10 @@
 	if(H)
 		H.endTailWag()
 
+/datum/species/human/space_move(mob/living/carbon/human/H)
+	var/obj/item/device/flightpack/F = H.get_flightpack()
+	if(istype(F) && (F.flight) && F.allow_thrust(0.01, src))
+		return TRUE
 /*
  LIZARDPEOPLE
 */
@@ -1003,8 +1007,8 @@ SYNDICATE BLACK OPS
 /datum/species/angel/on_species_loss(mob/living/carbon/human/H)
 	if(fly)
 		fly.Remove(H)
-	if(FLYING in specflags)
-		specflags -= FLYING
+	if(H.movement_type & FLYING)
+		H.movement_type &= ~FLYING
 	ToggleFlight(H,0)
 	if(H.dna && H.dna.species &&((H.dna.features["wings"] != "None") && ("wings" in H.dna.species.mutant_bodyparts)))
 		H.dna.features["wings"] = "None"
@@ -1015,15 +1019,12 @@ SYNDICATE BLACK OPS
 	HandleFlight(H)
 
 /datum/species/angel/proc/HandleFlight(mob/living/carbon/human/H)
-	if(FLYING in specflags)
+	if(H.movement_type & FLYING)
 		if(!CanFly(H))
 			ToggleFlight(H,0)
-			H.float(0)
 			return 0
-		H.float(1)
 		return 1
 	else
-		H.float(0)
 		return 0
 
 /datum/species/angel/proc/CanFly(mob/living/carbon/human/H)
@@ -1052,7 +1053,7 @@ SYNDICATE BLACK OPS
 	var/mob/living/carbon/human/H = owner
 	var/datum/species/angel/A = H.dna.species
 	if(A.CanFly(H))
-		if(FLYING in A.specflags)
+		if(H.movement_type & FLYING)
 			H << "<span class='notice'>You settle gently back onto the ground...</span>"
 			A.ToggleFlight(H,0)
 			H.update_canmove()
@@ -1089,31 +1090,31 @@ SYNDICATE BLACK OPS
 
 
 /datum/species/angel/spec_stun(mob/living/carbon/human/H,amount)
-	if(FLYING in specflags)
+	if(H.movement_type & FLYING)
 		ToggleFlight(H,0)
 		flyslip(H)
 	. = ..()
 
-/datum/species/angel/negates_gravity()
-	if(FLYING in specflags)
+/datum/species/angel/negates_gravity(mob/living/carbon/human/H)
+	if(H.movement_type & FLYING)
 		return 1
 
-/datum/species/angel/space_move()
-	if(FLYING in specflags)
+/datum/species/angel/space_move(mob/living/carbon/human/H)
+	if(H.movement_type & FLYING)
 		return 1
 
 /datum/species/angel/proc/ToggleFlight(mob/living/carbon/human/H,flight)
 	if(flight && CanFly(H))
 		stunmod = 2
 		speedmod = -1
-		specflags += FLYING
+		H.movement_type |= FLYING
 		override_float = 1
 		H.pass_flags |= PASSTABLE
 		H.OpenWings()
 	else
 		stunmod = 1
 		speedmod = 0
-		specflags -= FLYING
+		H.movement_type &= ~FLYING
 		override_float = 0
 		H.pass_flags &= ~PASSTABLE
 		H.CloseWings()

code/modules/mob/living/life.dm

@@ -50,10 +50,15 @@
 	if(stat != DEAD)
 		handle_status_effects() //all special effects, stunned, weakened, jitteryness, hallucination, sleeping, etc
 
+	if(floating && (!(movement_type & FLYING)))
+		float(0)
+
+	if(movement_type & FLYING)
+		float(1)
+
 	if(stat != DEAD)
 		return 1
 
-
 /mob/living/proc/handle_breathing()
 	return
 

code/modules/mob/living/living.dm

@@ -438,18 +438,21 @@
 	if (s_active && !(s_active.ClickAccessible(src, depth=STORAGE_VIEW_DEPTH) || s_active.Adjacent(src)))
 		s_active.close(src)
 
-/mob/living/movement_delay()
+/mob/living/movement_delay(ignorewalk = 0)
 	. = ..()
-	if(isopenturf(loc))
+	if(isopenturf(loc) && !is_flying())
 		var/turf/open/T = loc
 		. += T.slowdown
-	switch(m_intent)
-		if("run")
-			if(drowsyness > 0)
-				. += 6
-			. += config.run_speed
-		if("walk")
-			. += config.walk_speed
+	if(!ignorewalk)
+		. += config.run_speed
+	else
+		switch(m_intent)
+			if("run")
+				if(drowsyness > 0)
+					. += 6
+				. += config.run_speed
+			if("walk")
+				. += config.walk_speed
 
 /mob/living/proc/makeTrail(turf/T)
 	if(!has_gravity())
@@ -603,6 +606,8 @@
 		fixed = 1
 	if(on && !floating && !fixed)
 		animate(src, pixel_y = pixel_y + 2, time = 10, loop = -1)
+		sleep(10)
+		animate(src, pixel_y = pixel_y - 2, time = 10, loop = -1)
 		floating = 1
 	else if(((!on || fixed) && floating))
 		animate(src, pixel_y = get_standard_pixel_y_offset(lying), time = 10)

code/modules/mob/living/simple_animal/constructs.dm

@@ -21,7 +21,7 @@
 	maxbodytemp = INFINITY
 	healable = 0
 	faction = list("cult")
-	flying = 1
+	movement_type = FLYING
 	pressure_resistance = 100
 	unique_name = 1
 	AIStatus = AI_OFF //normal constructs don't have AI

code/modules/mob/living/simple_animal/friendly/butterfly.dm

@@ -14,7 +14,7 @@
 	harm_intent_damage = 1
 	friendly = "nudges"
 	density = 0
-	flying = 1
+	movement_type = FLYING
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	ventcrawler = 2
 	mob_size = MOB_SIZE_TINY

code/modules/mob/living/simple_animal/guardian/guardian.dm

@@ -21,7 +21,7 @@ var/global/list/parasites = list() //all currently existing/living guardians
 	speed = 0
 	a_intent = "harm"
 	stop_automated_movement = 1
-	flying = 1 // Immunity to chasms and landmines, etc.
+	movement_type = FLYING // Immunity to chasms and landmines, etc.
 	attack_sound = 'sound/weapons/punch1.ogg'
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0

code/modules/mob/living/simple_animal/hostile/bees.dm

@@ -35,7 +35,7 @@
 	mouse_opacity = 2
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	mob_size = MOB_SIZE_TINY
-	flying = 1
+	movement_type = FLYING
 	gold_core_spawnable = 1
 	search_objects = 1 //have to find those plant trays!
 

code/modules/mob/living/simple_animal/hostile/carp.dm

@@ -31,7 +31,7 @@
 	maxbodytemp = 1500
 
 	faction = list("carp")
-	flying = 1
+	movement_type = FLYING
 	pressure_resistance = 200
 	gold_core_spawnable = 1
 

code/modules/mob/living/simple_animal/hostile/eyeballs.dm

@@ -22,7 +22,7 @@
 	melee_damage_upper = 25
 	attacktext = "blinks at"
 	attack_sound = 'sound/weapons/pierce.ogg'
-	flying = 1
+	movement_type = FLYING
 
 	faction = list("spooky")
 	del_on_death = 1

code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm

@@ -606,7 +606,7 @@ Difficulty: Very Hard
 	harm_intent_damage = 1
 	friendly = "mends"
 	density = 0
-	flying = 1
+	movement_type = FLYING
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
 	ventcrawler = 2
 	mob_size = MOB_SIZE_TINY
@@ -622,6 +622,7 @@ Difficulty: Very Hard
 	languages_understood = ALL
 	del_on_death = 1
 	unsuitable_atmos_damage = 0
+	movement_type = FLYING
 	minbodytemp = 0
 	maxbodytemp = 1500
 	obj_damage = 0

code/modules/mob/living/simple_animal/hostile/megafauna/megafauna.dm

@@ -13,7 +13,7 @@
 	luminosity = 3
 	faction = list("mining", "boss")
 	weather_immunities = list("lava","ash")
-	flying = 1
+	movement_type = FLYING
 	robust_searching = 1
 	ranged_ignores_vision = TRUE
 	stat_attack = 2

code/modules/mob/living/simple_animal/hostile/mining_mobs.dm

@@ -322,7 +322,7 @@
 	speed = 3
 	maxHealth = 1
 	health = 1
-	flying = 1
+	movement_type = FLYING
 	harm_intent_damage = 5
 	melee_damage_lower = 2
 	melee_damage_upper = 2
@@ -713,7 +713,7 @@
 	speak_emote = list("telepathically cries")
 	attack_sound = 'sound/weapons/bladeslice.ogg'
 	stat_attack = 1
-	flying = TRUE
+	movement_type = FLYING
 	robust_searching = 1
 	loot = list()
 	butcher_results = list(/obj/item/weapon/ore/diamond = 2, /obj/item/stack/sheet/sinew = 2, /obj/item/stack/sheet/bone = 1)

code/modules/mob/living/simple_animal/hostile/retaliate/bat.dm

@@ -25,7 +25,7 @@
 	environment_smash = 0
 	ventcrawler = 2
 	mob_size = MOB_SIZE_TINY
-	flying = 1
+	movement_type = FLYING
 	speak_emote = list("squeaks")
 	var/max_co2 = 0 //to be removed once metastation map no longer use those for Sgt Araneus
 	var/min_oxy = 0

code/modules/mob/living/simple_animal/hostile/retaliate/ghost.dm

@@ -27,7 +27,7 @@
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
 	maxbodytemp = 1500
-	flying = 1
+	movement_type = FLYING
 	pressure_resistance = 300
 	gold_core_spawnable = 0 //too spooky for science
 	var/ghost_hair_style

code/modules/mob/living/simple_animal/hostile/syndicate.dm

@@ -163,7 +163,7 @@
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
 	mob_size = MOB_SIZE_TINY
-	flying = 1
+	movement_type = FLYING
 	limb_destroyer = 1
 	speak_emote = list("states")
 	bubble_icon = "syndibot"

code/modules/mob/living/simple_animal/parrot.dm

@@ -57,7 +57,7 @@
 	attacktext = "chomps"
 	friendly = "grooms"
 	mob_size = MOB_SIZE_SMALL
-	flying = 1
+	movement_type = FLYING
 	gold_core_spawnable = 2
 
 	var/parrot_damage_upper = 10

code/modules/mob/living/simple_animal/shade.dm

@@ -26,7 +26,7 @@
 	status_flags = 0
 	faction = list("cult")
 	status_flags = CANPUSH
-	flying = 1
+	movement_type = FLYING
 	loot = list(/obj/item/weapon/ectoplasm)
 	del_on_death = 1
 

code/modules/mob/living/simple_animal/simple_animal.dm

@@ -62,7 +62,6 @@
 
 	//simple_animal access
 	var/obj/item/weapon/card/id/access_card = null	//innate access uses an internal ID card
-	var/flying = 0 //whether it's flying or touching the ground.
 	var/buffed = 0 //In the event that you want to have a buffing effect on the mob, but don't want it to stack with other effects, any outside force that applies a buff to a simple mob should at least set this to 1, so we have something to check against
 	var/gold_core_spawnable = 0 //if 1 can be spawned by plasma with gold core, 2 are 'friendlies' spawned with blood
 

code/modules/mob/login.dm

@@ -69,4 +69,5 @@
 				AA.display_to(list(src))
 
 	update_client_colour()
-	client.click_intercept = null
+	if(client)
+		client.click_intercept = null

code/modules/mob/mob_defines.dm

@@ -30,6 +30,7 @@
 	var/obj/machinery/machine = null
 	var/other_mobs = null
 	var/disabilities = 0	//Carbon
+	var/movement_type = GROUND		//Incase you have multiple types, you automatically use the most useful one. IE: Skating on ice, flippers on water, flying over chasm/space, etc.
 
 	var/atom/movable/pulling = null
 	var/grab_state = 0

code/modules/mob/mob_helpers.dm

@@ -483,3 +483,8 @@ It's fairly easy to fix if dealing with single letters but not so much with comp
 			for(var/obj/screen/wheel/talk/TW in L.hud_used.wheels)
 				TW.Click()
 
+/mob/proc/is_flying(mob/M = src)
+	if(M.movement_type & FLYING)
+		return 1
+	else
+		return 0

code/modules/mob/mob_movement.dm

@@ -175,6 +175,9 @@
 	if(mob && .)
 		mob.throwing = 0
 
+	for(var/obj/O in mob)
+		O.on_mob_move(direct, src)
+
 	return .
 
 

code/modules/research/designs/mechfabricator_designs.dm

@@ -709,3 +709,33 @@
 	construction_time = 100
 	build_path = /obj/item/device/assembly/flash/handheld
 	category = list("Misc")
+
+/datum/design/flightsuit		//Multi step build process/redo WIP
+	name = "Flight Suit"
+	desc = "A specialized hardsuit that is able to attach a flightpack and accessories.."
+	id = "flightsuit"
+	build_type = MECHFAB
+	build_path = /obj/item/clothing/suit/space/hardsuit/flightsuit
+	materials = list(MAT_METAL=20000, MAT_GLASS = 10000, MAT_DIAMOND = 200, MAT_GOLD = 3000, MAT_SILVER = 3000, MAT_TITANIUM = 20000)	//This expensive enough for you?
+	construction_time = 250
+	category = list("Misc")
+
+/datum/design/flightpack
+	name = "Flight Pack"
+	desc = "An advanced back-worn system that has dual ion engines powerful enough to grant a humanoid flight. Contains an internal self-recharging high-current capacitor for short, powerful boosts."
+	id = "flightpack"
+	build_type = MECHFAB
+	build_path = /obj/item/device/flightpack
+	materials = list(MAT_METAL=20000, MAT_GLASS = 10000, MAT_DIAMOND = 5000, MAT_GOLD = 15000, MAT_SILVER = 15000, MAT_URANIUM = 25000, MAT_PLASMA = 20000, MAT_TITANIUM = 20000)	//This expensive enough for you?
+	construction_time = 250
+	category = list("Misc")
+
+/datum/design/flightshoes
+	name = "Flight Shoes"
+	desc = "Flight shoes, attachable to a flight suit to provide additional functions."
+	id = "flightshoes"
+	build_type = MECHFAB
+	build_path = /obj/item/clothing/shoes/flightshoes
+	materials = list(MAT_METAL = 5000, MAT_GLASS = 5000, MAT_GOLD = 1500, MAT_SILVER = 1500, MAT_PLASMA = 2000, MAT_TITANIUM = 2000)	//They're just shoes.
+	construction_time = 100
+	category = list("Misc")

code/modules/surgery/bodyparts/helpers.dm

@@ -89,7 +89,7 @@
 	return 1
 
 /mob/living/carbon/human/get_leg_ignore()
-	if(FLYING in dna.species.specflags)
+	if(movement_type & FLYING)
 		return 1
 
 /mob/living/proc/get_missing_limbs()