Baystation Rigsuits

This commit adds baystation's rigsuit system on top of our own hardsuits;
Our own hardsuits still function fine and are around, but these are
available to admins. Next commit will contain balancing and player
implementation stuff.

code/game/objects/items/devices/paicard.dm

@@ -12,6 +12,13 @@
 	var/looking_for_personality = 0
 	var/mob/living/silicon/pai/pai
 
+/obj/item/device/paicard/relaymove(var/mob/user, var/direction)
+	if(user.stat || user.stunned)
+		return
+	var/obj/item/weapon/rig/rig = src.get_rig()
+	if(istype(rig))
+		rig.forced_move(direction, user)
+
 /obj/item/device/paicard/New()
 	..()
 	overlays += "pai-off"

code/game/objects/items/weapons/tanks/jetpack.dm

@@ -63,10 +63,9 @@
 
 	var/allgases = G.carbon_dioxide + G.nitrogen + G.oxygen + G.toxins	//fuck trace gases	-Pete
 	if(allgases >= 0.005)
-		return 1
+		. = 1
 
 	qdel(G)
-	return
 
 /obj/item/weapon/tank/jetpack/ui_action_click()
 	toggle()
@@ -132,3 +131,33 @@
 	if(air_contents.carbon_dioxide < 10)
 		user << text("\red <B>The meter on the [src.name] indicates you are almost out of air!</B>")
 		playsound(user, 'sound/effects/alert.ogg', 50, 1)
+
+
+/obj/item/weapon/tank/jetpack/rig
+	name = "jetpack"
+	var/obj/item/weapon/rig/holder
+
+/obj/item/weapon/tank/jetpack/rig/examine()
+	usr << "It's a jetpack. If you can see this, report it on the bug tracker."
+	return 0
+
+/obj/item/weapon/tank/jetpack/rig/allow_thrust(num, mob/living/user as mob)
+
+	if(!(src.on))
+		return 0
+
+	if(!istype(holder) || !holder.air_supply)
+		return 0
+
+	var/obj/item/weapon/tank/pressure_vessel = holder.air_supply
+
+	if((num < 0.005 || pressure_vessel.air_contents.total_moles() < num))
+		src.ion_trail.stop()
+		return 0
+
+	var/datum/gas_mixture/G = pressure_vessel.air_contents.remove(num)
+
+	var/allgases = G.carbon_dioxide + G.nitrogen + G.oxygen + G.toxins
+	if(allgases >= 0.005)
+		. = 1
+	qdel(G)

code/game/objects/items/weapons/tanks/tanks.dm

@@ -120,8 +120,13 @@
 	data["maskConnected"] = 0
 	if(istype(loc,/mob/living/carbon))
 		var/mob/living/carbon/location = loc
-		if(location.internal == src || (location.wear_mask && (location.wear_mask.flags & MASKINTERNALS)))
-			data["maskConnected"] = 1
+		if(location.internal == src)
+			if(location.wear_mask && (location.wear_mask.flags & AIRTIGHT))
+				data["maskConnected"] = 1
+			else if(ishuman(location))
+				var/mob/living/carbon/human/H = location
+				if(H.head && (H.head.flags & AIRTIGHT))
+					data["maskConnected"] = 1
 
 	// update the ui if it exists, returns null if no ui is passed/found
 	ui = nanomanager.try_update_ui(user, src, ui_key, ui, data, force_open)
@@ -162,7 +167,16 @@
 				if (location.internals)
 					location.internals.icon_state = "internal0"
 			else
-				if(location.wear_mask && (location.wear_mask.flags & MASKINTERNALS))
+
+				var/can_open_valve
+				if(location.wear_mask && (location.wear_mask.flags & AIRTIGHT))
+					can_open_valve = 1
+				else if(istype(location,/mob/living/carbon/human))
+					var/mob/living/carbon/human/H = location
+					if(H.head && (H.head.flags & AIRTIGHT))
+						can_open_valve = 1
+
+				if(can_open_valve)
 					location.internal = src
 					usr << "\blue You open \the [src] valve."
 					if (location.internals)