[fight] Fix attract entity

src/main/java/com/leekwars/generator/attack/Attack.java

@@ -182,7 +182,8 @@ public List<Entity> applyOnCell(Fight fight, Entity caster, Cell target, boolean
 			if (parameters.getId() == Effect.TYPE_ATTRACT) {
 				for (Entity entity : targetEntities) {
 					// Attract directly to target cell
-					fight.slideEntity(entity, target, caster);
+					Cell destination = Pathfinding.getAttractLastAvailableCell(entity.getCell(), target, caster.getCell());
+					fight.slideEntity(entity, destination, caster);
 				}
 			} else if (parameters.getId() == Effect.TYPE_PUSH) {
 				for (Entity entity : targetEntities) {

src/main/java/com/leekwars/generator/fight/entity/Entity.java

@@ -40,6 +40,7 @@ public abstract class Entity {
 	public static final int TYPE_BULB = 1;
 	public static final int TYPE_TURRET = 2;
 	public static final int TYPE_CHEST = 3;
+	public static final int TYPE_MOB = 4;
 
 	// Characteristics constants
 	public final static int CHARAC_LIFE = 0;

src/main/java/com/leekwars/generator/maps/Pathfinding.java

@@ -746,4 +746,24 @@ public static Cell getPushLastAvailableCell(Cell entity, Cell target, Cell caste
 		}
 		return current;
 	}
+
+	public static Cell getAttractLastAvailableCell(Cell entity, Cell target, Cell caster) {
+		// Delta caster --> entity
+		int cdx = (int) Math.signum(entity.x - caster.x);
+		int cdy = (int) Math.signum(entity.y - caster.y);
+		// Delta entity --> target
+		int dx = (int) Math.signum(target.x - entity.x);
+		int dy = (int) Math.signum(target.y - entity.y);
+		// Check deltas (must be attracted in the correct direction)
+		if (cdx != -dx || cdy != -dy) return entity; // no change
+		Cell current = entity;
+		while (current != target) {
+			Cell next = current.next(dx, dy);
+			if (!next.available()) {
+				return current;
+			}
+			current = next;
+		}
+		return current;
+	}
 }