prestonbane/src/engine/mobileAI/behaviours/SiegeEngineAI.java

package engine.mobileAI.behaviours;

import engine.Enum;
import engine.gameManager.BuildingManager;
import engine.gameManager.CombatManager;
import engine.gameManager.MovementManager;
import engine.gameManager.ZoneManager;
import engine.mobileAI.utilities.CombatUtilities;
import engine.objects.Building;
import engine.objects.City;
import engine.objects.Mob;
import engine.server.MBServerStatics;
import org.pmw.tinylog.Logger;

public class SiegeEngineAI {

    public static void run(Mob engine) {

        //1. check to respawn if engine is dead or initially spawning
        if (!engine.isAlive() || engine.despawned) {
            if (System.currentTimeMillis() - engine.deathTime > MBServerStatics.FIFTEEN_MINUTES) {
                engine.respawn();
                return;
            }
        }

        //2. early exit if owner is null, siege engines cannot act with player intervention
        if (engine.getOwner() == null)
            return;

        //3. early exit if target is null, siege engines have no purpose without a target
        if (engine.combatTarget == null)
            return;

        //4. early exit if target is not a building, siege engines can only attack buildings
        if (!engine.combatTarget.getObjectType().equals(Enum.GameObjectType.Building)) {
            engine.setCombatTarget(null);
            return;
        }

        //5. early exit if target is out of range, engines don't move and neither do buildings, avoid infinite loop
        if(CombatManager.NotInRange(engine,engine.combatTarget,engine.getRange())) {
            engine.setCombatTarget(null);
            return;
        }

        //6. attack target, sanity checks passed, attack target
        AttackBuilding(engine,(Building) engine.combatTarget);
    }

    public static void AttackBuilding(Mob engine, Building target) {

        try {

            if (engine == null || target == null)
                return;

            if (target.getRank() == -1 || !target.isVulnerable() || BuildingManager.getBuildingFromCache(target.getObjectUUID()) == null) {
                engine.setCombatTarget(null);
                return;
            }

            City playercity = ZoneManager.getCityAtLocation(engine.getLoc());

            if (playercity != null)
                for (Mob guard : playercity.getParent().zoneMobSet)
                    if (guard.BehaviourType != null && guard.BehaviourType.equals(Enum.MobBehaviourType.GuardCaptain))
                        if (guard.getCombatTarget() == null && guard.getGuild() != null && engine.getGuild() != null && !guard.getGuild().equals(engine.getGuild()))
                            guard.setCombatTarget(engine);


            MovementManager.sendRWSSMsg(engine);

            CombatUtilities.combatCycle(engine, target, true, null);
            int delay = 15000;
            engine.setLastAttackTime(System.currentTimeMillis() + delay);


            //if (mob.isSiege()) {
            //    PowerProjectileMsg ppm = new PowerProjectileMsg(mob, target);
            //    ppm.setRange(50);
            //    DispatchMessage.dispatchMsgToInterestArea(mob, ppm, DispatchChannel.SECONDARY, MBServerStatics.CHARACTER_LOAD_RANGE, false, false);
            //}

        } catch (Exception e) {
            Logger.info(engine.getObjectUUID() + " " + engine.getName() + " Failed At: AttackBuilding" + " " + e.getMessage());
        }
    }
}