Add support for leapers. Add mechz to zm_highrise.

Patch multiple level.zombie_total++ occurences to fix interactions with boss zombies not incrementing their zombie total.

zm_ai_pack/scripts/zm/zm_highrise/zm_ai_pack_mod_zm_highrise_main.gsc

@@ -0,0 +1,85 @@
+#include maps\mp\zombies\_zm_utility;
+#include common_scripts\utility;
+#include maps\mp\_utility;
+
+#include maps\mp\zm_highrise_classic;
+
+#include scripts\zm\zm_ai_pack_mod_main;
+
+main()
+{
+	replaceFunc( maps\mp\zm_highrise_classic::squashed_death_init, ::squashed_death_init_override );
+	replaceFunc( maps\mp\zm_highrise::elevator_traverse_watcher, ::elevator_traverse_watcher_override );
+}
+
+squashed_death_init_override( kill_if_falling )
+{
+	while ( true )
+	{
+		self waittill( "trigger", who );
+
+		if ( !is_true( who.insta_killed ) )
+		{
+			continue;
+		}
+		if ( isplayer( who ) )
+		{
+			who thread elevator_black_screen_squash_check();
+			who thread insta_kill_player( 1, kill_if_falling );
+		}
+		else if ( isai( who ) )
+		{
+			if ( is_true( who.in_the_ceiling ) )
+			{
+				continue;
+			}
+
+			if ( is_true( who.is_avogadro ) )
+			{
+				continue;
+			}
+			who dodamage( who.health + 100, who.origin );
+			who.insta_killed = 1;
+
+			increment_enemy_count( who );
+		}
+	}
+}
+
+elevator_traverse_watcher_override()
+{
+	self endon( "death" );
+
+	while ( true )
+	{
+		wait 0.2;
+
+		if ( !is_true( self.is_traversing ) )
+		{
+			continue;
+		}
+
+		self.elevator_parent = undefined;
+
+		if ( !is_true( self maps\mp\zm_highrise_elevators::object_is_on_elevator() ) )
+		{
+			continue;
+		}
+
+		if ( !isdefined( self.elevator_parent ) )
+		{
+			continue;
+		}
+		if ( !is_true( self.elevator_parent.is_moving ) )
+		{
+			continue;
+		}
+
+		playfx( level._effect["zomb_gib"], self.origin );
+
+		increment_enemy_count( self );
+
+		self delete();
+		return;
+	}
+}