Places advancedtoolchecks and fixes two-handed weapons for simple_mobs

Modernizes code to today's standards.

Also makes it so that simple_mobs that have hands can use two handed weapons and guns correctly.

Bonus of making it so scugs can now mine and put ointment and bruise packs on.

code/game/objects/items.dm

@@ -159,6 +159,10 @@
 		var/obj/item/organ/external/hand = H.organs_by_name[check_hand]
 		if(istype(hand) && hand.is_usable())
 			return TRUE
+	var/mob/living/simple_mob/S = M
+	if(istype(S) && S.has_hands) //Are they a mob? And do they have hands?
+		return TRUE
+
 	return FALSE
 
 

code/game/objects/items/devices/scanners/gas.dm

@@ -23,7 +23,7 @@
 /obj/item/device/analyzer/attack_self(mob/user as mob)
 	if (user.stat)
 		return
-	if (!(ishuman(user) || ticker) && ticker.mode.name != "monkey")
+	if (!user.IsAdvancedToolUser())
 		to_chat(usr, "<span class='warning'>You don't have the dexterity to do this!</span>")
 		return
 

code/game/objects/items/devices/scanners/health.dm

@@ -41,7 +41,7 @@
 		dat += "Body Temperature: ???"
 		user.show_message("<span class='notice'>[dat]</span>", 1)
 		return
-	if (!(ishuman(user) || ticker) && ticker.mode.name != "monkey")
+	if (!user.IsAdvancedToolUser())
 		to_chat(user, "<span class='warning'>You don't have the dexterity to do this!</span>")
 		return
 

code/game/objects/items/devices/scanners/mass_spectrometer.dm

@@ -30,7 +30,7 @@
 /obj/item/device/mass_spectrometer/attack_self(mob/user as mob)
 	if (user.stat)
 		return
-	if (!(ishuman(user) || ticker) && ticker.mode.name != "monkey")
+	if (!user.IsAdvancedToolUser())
 		to_chat(user, "<span class='warning'>You don't have the dexterity to do this!</span>")
 		return
 	if(reagents.total_volume)

code/game/objects/items/stacks/medical.dm

@@ -20,8 +20,7 @@
 		to_chat(user, "<span class='warning'>\The [src] cannot be applied to [M]!</span>")
 		return 1
 
-	if ( ! (istype(user, /mob/living/carbon/human) || \
-			istype(user, /mob/living/silicon)) )
+	if (!M.IsAdvancedToolUser())
 		to_chat(user, "<span class='warning'>You don't have the dexterity to do this!</span>")
 		return 1
 
@@ -129,7 +128,7 @@
 				if(used >= available)
 					to_chat(user, "<span class='warning'>You run out of [src]!</span>")
 					break
-				
+
 				if (W.current_stage <= W.max_bleeding_stage)
 					user.visible_message("<b>\The [user]</b> bandages \a [W.desc] on [M]'s [affecting.name].", \
 					                              "<span class='notice'>You bandage \a [W.desc] on [M]'s [affecting.name].</span>" )

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

@@ -19,7 +19,7 @@
 	user.setClickCooldown(user.get_attack_speed(src))
 	user.do_attack_animation(M)
 
-	if (!(istype(user, /mob/living/carbon/human) || ticker) && ticker.mode.name != "monkey")
+	if (!user.IsAdvancedToolUser())
 		to_chat(user, "<span class='danger'>You don't have the dexterity to do this!</span>")
 		return