Fixes slapping atoms + range checks. (#9769)

code/modules/emotes/definitions/audible.dm

@@ -190,6 +190,13 @@
 	emote_message_3p = "USER slaps USER_SELF across the face!"
 	emote_sound = 'sound/effects/snap.ogg'
 
+/decl/emote/audible/slap/target_check(var/atom/user, var/atom/target)
+	if(!ismob(target))
+		return FALSE
+	if(!target.Adjacent(user))
+		return FALSE
+	return TRUE
+
 /decl/emote/audible/snap
 	key = "snap"
 	emote_message_3p = "USER snaps USER_THEIR fingers."

code/modules/emotes/emote_define.dm

@@ -31,7 +31,6 @@
 	return emote_message_3p
 
 /decl/emote/proc/do_emote(var/atom/user, var/extra_params)
-
 	if(ismob(user) && check_restraints)
 		var/mob/M = user
 		if(M.restrained())
@@ -83,6 +82,9 @@
 	if (!use_range)
 		use_range = world.view
 
+	if(!target_check(user, target))
+		return
+
 	if(ismob(user))
 		var/mob/M = user
 		if(message_type == AUDIBLE_MESSAGE)
@@ -98,6 +100,9 @@
 /decl/emote/proc/check_user(var/atom/user)
 	return TRUE
 
+/decl/emote/proc/target_check(var/atom/user, var/atom/target)
+	return TRUE
+
 /decl/emote/proc/can_target()
 	return (emote_message_1p_target || emote_message_3p_target)