NPCs can no longer teleport you out of bounds

Server/src/main/java/core/game/node/entity/npc/bosses/wilderness/ChaosElementalNPC.java

@@ -1,5 +1,6 @@
 package core.game.node.entity.npc.bosses.wilderness;
 
+import api.ContentAPIKt;
 import core.game.content.global.BossKillCounter;
 import core.game.node.entity.Entity;
 import core.game.node.entity.combat.BattleState;
@@ -19,6 +20,8 @@ import core.tools.RandomFunction;
 import rs09.game.node.entity.combat.CombatSwingHandler;
 import rs09.game.node.entity.combat.handlers.MultiSwingHandler;
 
+import static api.ContentAPIKt.getPathableRandomLocalCoordinate;
+
 /**
  * Handles the chaos elemental npc.
  * @author Vexia
@@ -141,13 +144,7 @@ public class ChaosElementalNPC extends AbstractNPC {
 				}
 				else if (attack.getProjectile().getProjectileId() == 554) {
 					player.getAudioManager().send(new Audio(346), true); // C. Elemental Confusion Impact SFX
-					Location loc = getRandomLoc(entity);
-					while (!RegionManager.isTeleportPermitted(loc) || RegionManager.getObject(loc) != null) {
-						loc = getRandomLoc(entity);
-					}
-					if (loc.equals(player.getLocation())) {
-						loc = entity.getLocation();
-					}
+					Location loc = getPathableRandomLocalCoordinate(player, 10, entity.getLocation(), 3);
 					player.teleport(loc);
 				} else if (attack.getProjectile().getProjectileId() == 551) {
 					player.getAudioManager().send(new Audio(353), true); // C. Elemental Madness Impact SFX

Server/src/main/java/core/game/node/entity/skill/slayer/AbyssalDemonNPC.java

@@ -13,6 +13,8 @@ import core.game.world.update.flag.context.Graphics;
 import core.plugin.Initializable;
 import core.tools.RandomFunction;
 
+import static api.ContentAPIKt.getPathableRandomLocalCoordinate;
+
 /**
  * Handles the abyssal npc.
  * @author Vexia
@@ -31,12 +33,10 @@ public class AbyssalDemonNPC extends AbstractNPC {
 				boolean npc = RandomFunction.random(100) <= 50;
 				Entity source = npc ? victim : entity;
 				Entity teleported = npc ? entity : victim;
-				Location loc = source.getLocation().transform(Direction.values()[RandomFunction.random(Direction.values().length)], 1);
-				if (loc != null && !loc.equals(source.getLocation()) && RegionManager.isTeleportPermitted(loc) && RegionManager.getObject(loc) == null) {
+				Location loc = getPathableRandomLocalCoordinate(teleported, 1, source.getLocation(), 3);
 				teleported.graphics(Graphics.create(409));
 				teleported.teleport(loc, 1);
 			}
-			}
 			return super.swing(entity, victim, state);
 		}
 	};

Server/src/main/java/core/game/world/map/zone/ZoneBorders.java

@@ -38,7 +38,7 @@ public final class ZoneBorders {
 	/**
 	 * The plane required to be on.
 	 */
-	private int plane;
+	private int plane = 0;
 
 	/**
 	 * The list of exceptions.
@@ -231,7 +231,7 @@ public final class ZoneBorders {
 	public Location getRandomLoc() {
 	    int x = northEastX - southWestX == 0 ? southWestX : new Random().nextInt(northEastX - southWestX + 1) + southWestX;
 	    int y = northEastY - southWestY == 0 ? southWestY : new Random().nextInt(northEastY - southWestY + 1) + southWestY;
-		return new Location(x, y);
+		return new Location(x, y, plane);
 	}
 
 	/**

Server/src/main/kotlin/api/ContentAPI.kt

@@ -19,7 +19,6 @@ import core.game.node.entity.player.Player
 import core.game.node.entity.player.link.TeleportManager
 import core.game.node.entity.player.link.audio.Audio
 import core.game.node.entity.player.link.emote.Emotes
-import core.game.node.entity.player.link.quest.Quest
 import core.game.node.entity.player.link.quest.QuestRepository
 import core.game.node.entity.skill.Skills
 import core.game.node.entity.skill.gather.SkillingTool
@@ -1464,3 +1463,20 @@ fun getServerConfig() : Toml
 {
     return ServerConfigParser.tomlData ?: Toml()
 }
+
+fun getPathableRandomLocalCoordinate(target: Entity, radius: Int, center: Location, maxAttempts: Int = 3): Location {
+    val swCorner = center.transform(-radius,-radius, center.z)
+    val neCorner = center.transform(radius, radius,  center.z)
+    val borders = ZoneBorders(swCorner.x, swCorner.y, neCorner.x, neCorner.y, center.z)
+
+    var attempts = maxAttempts
+    var success: Boolean
+    while (attempts-- > 0) {
+        val dest = borders.randomLoc
+        val path = Pathfinder.find(target, dest)
+        success = path.isSuccessful && !path.isMoveNear
+        if (success) return dest
+    }
+
+    return target.location
+}