[s] Fixes altclick exploits

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

@@ -724,13 +724,13 @@
 
 /mob/living/carbon/human/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
 	if(incapacitated() || lying )
-		return
+		return FALSE
 	if(!Adjacent(M) && (M.loc != src))
 		if((be_close == 0) && (dna.check_mutation(TK)))
 			if(tkMaxRangeCheck(src, M))
-				return 1
-		return
-	return 1
+				return TRUE
+		return FALSE
+	return TRUE
 
 /mob/living/carbon/human/resist_restraints()
 	if(wear_suit && wear_suit.breakouttime)

code/modules/mob/living/living.dm

@@ -787,13 +787,14 @@
 
 /mob/living/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
 	if(incapacitated())
-		return
+		return FALSE
 	if(no_dextery)
 		if(be_close && in_range(M, src))
-			return 1
+			return TRUE
 	else
 		to_chat(src, "<span class='warning'>You don't have the dexterity to do this!</span>")
-	return
+	return FALSE
+
 /mob/living/proc/can_use_guns(obj/item/G)
 	if(G.trigger_guard != TRIGGER_GUARD_ALLOW_ALL && !IsAdvancedToolUser())
 		to_chat(src, "<span class='warning'>You don't have the dexterity to do this!</span>")

code/modules/mob/living/silicon/pai/pai.dm

@@ -185,6 +185,8 @@
 // See software.dm for Topic()
 
 /mob/living/silicon/pai/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
+	if(be_close && !in_range(M, src))
+		return FALSE
 	return TRUE
 
 /mob/proc/makePAI(delold)

code/modules/mob/living/silicon/robot/robot.dm

@@ -879,10 +879,10 @@
 
 /mob/living/silicon/robot/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
 	if(stat || lockcharge || low_power_mode)
-		return
+		return FALSE
 	if(be_close && !in_range(M, src))
-		return
-	return 1
+		return FALSE
+	return TRUE
 
 /mob/living/silicon/robot/updatehealth()
 	..()

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

@@ -377,23 +377,23 @@
 
 /mob/living/simple_animal/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
 	if(incapacitated())
-		return 0
+		return FALSE
 	if(no_dextery || dextrous)
 		if(be_close && !in_range(M, src))
-			return 0
+			return FALSE
 	else
 		to_chat(src, "<span class='warning'>You don't have the dexterity to do this!</span>")
-		return 0
-	return 1
+		return FALSE
+	return TRUE
 
 /mob/living/simple_animal/stripPanelUnequip(obj/item/what, mob/who, where)
-	if(!canUseTopic(who, TRUE))
+	if(!canUseTopic(who, BE_CLOSE))
 		return
 	else
 		..()
 
 /mob/living/simple_animal/stripPanelEquip(obj/item/what, mob/who, where)
-	if(!canUseTopic(who, TRUE))
+	if(!canUseTopic(who, BE_CLOSE))
 		return
 	else
 		..()