TriggerFleetAssignmentAI.java

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package com.fs.starfarer.api.impl.campaign.missions.hub;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
 
import org.lwjgl.util.vector.Vector2f;
 
import com.fs.starfarer.api.EveryFrameScript;
import com.fs.starfarer.api.Global;
import com.fs.starfarer.api.campaign.CampaignFleetAPI;
import com.fs.starfarer.api.campaign.FleetAssignment;
import com.fs.starfarer.api.campaign.LocationAPI;
import com.fs.starfarer.api.campaign.SectorEntityToken;
import com.fs.starfarer.api.campaign.StarSystemAPI;
import com.fs.starfarer.api.campaign.ai.ModularFleetAIAPI;
import com.fs.starfarer.api.campaign.comm.IntelInfoPlugin;
import com.fs.starfarer.api.util.Misc;
import com.fs.starfarer.api.util.WeightedRandomPicker;
 
public class TriggerFleetAssignmentAI implements EveryFrameScript {
 
    protected CampaignFleetAPI fleet;
    protected LocationAPI system;
    
    protected List<SectorEntityToken> patrolPoints = new ArrayList<SectorEntityToken>();
    protected float elapsedWaitingForDespawn = 0f;
    protected HubMission mission;
    protected String patrolText;
    protected String travelText;
    
    public TriggerFleetAssignmentAI(String travelText, String patrolText, HubMission mission, LocationAPI system, boolean randomLocation, CampaignFleetAPI fleet, SectorEntityToken ... patrolPoints) {
        this.travelText = travelText;
        this.patrolText = patrolText;
        this.mission = mission;
        this.fleet = fleet;
        this.system = system;
        
        if (patrolPoints != null) {
            for (SectorEntityToken curr : patrolPoints) {
                if (curr == null) continue;
                if (curr == fleet) continue;
                this.patrolPoints.add(curr);
            }
        }
        
        if (!fleet.hasScriptOfClass(MissionFleetAutoDespawn.class)) {
            fleet.addScript(new MissionFleetAutoDespawn(mission, fleet));
        }
        
        // moving this to CreateFleetAction, since most mission fleets are likely to want to ignore WarSimScript
        //fleet.getMemoryWithoutUpdate().set(MemFlags.FLEET_BUSY, true);
        
        giveInitialAssignments(randomLocation);
    }
    
    protected void giveInitialAssignments(boolean randomLocation) {
        if (randomLocation) {
            // start at random location
            SectorEntityToken target = pickPatrolPoint();
            if (target != null) {
                Vector2f loc = Misc.getPointAtRadius(target.getLocation(), target.getRadius() + 100f);
                fleet.setLocation(loc.x, loc.y);
            } else {
                Vector2f loc = Misc.getPointAtRadius(new Vector2f(), 5000f);
                fleet.setLocation(loc.x, loc.y);
            }
        }
        pickNext();
    }
 
    protected SectorEntityToken pickPatrolPoint() {
        if (patrolPoints != null) {
            Random random = null;
            if (mission instanceof BaseHubMission) random = ((BaseHubMission)mission).getGenRandom();
            WeightedRandomPicker<SectorEntityToken> picker = new WeightedRandomPicker<SectorEntityToken>(random);
            for (SectorEntityToken curr : patrolPoints) {
                if (!curr.isAlive()) continue;
                picker.addAll(patrolPoints);
            }
            return picker.pick();
        }
        return null;
    }
    
    protected SectorEntityToken currTarget;
    protected void pickNext() {
        currTarget = pickPatrolPoint();
        if (currTarget != null) {
            float speed = Misc.getSpeedForBurnLevel(8);
            float dist = Misc.getDistance(fleet.getLocation(), currTarget.getLocation());
            float seconds = dist / speed;
            float days = seconds / Global.getSector().getClock().getSecondsPerDay();
            days += 5f + 5f * (float) Math.random();
            fleet.addAssignment(FleetAssignment.PATROL_SYSTEM, currTarget, days, patrolText == null ? "patrolling" : patrolText);
            return;
        } else if (system instanceof StarSystemAPI) {
            float days = 5f + 5f * (float) Math.random();
            fleet.addAssignment(FleetAssignment.PATROL_SYSTEM, ((StarSystemAPI)system).getCenter(), days, patrolText == null ? "patrolling" : patrolText);
        }
    }
 
    public void advance(float amount) {
        if (fleet.getCurrentAssignment() == null) {
            pickNext();
        } else {
            String travel = travelText;
            if (travel == null) {
                if (Misc.isPatrol(fleet)) {
                    travel = "patrolling";
                } else {
                    travel = "traveling";
                }
            }
            if (fleet.getAI() != null && 
                    travel != null && currTarget != null && fleet.getCurrentAssignment().getTarget() == currTarget &&
                    fleet.getCurrentAssignment().getAssignment() == FleetAssignment.PATROL_SYSTEM) {
                float dist = Misc.getDistance(fleet, currTarget);
                if (dist > 1500 || fleet.getContainingLocation() != currTarget.getContainingLocation()) {
                    boolean standingDown = fleet.getAI() instanceof ModularFleetAIAPI &&
                                ((ModularFleetAIAPI) fleet.getAI()).getTacticalModule() != null &&
                                ((ModularFleetAIAPI) fleet.getAI()).getTacticalModule().isStandingDown();
                    if (standingDown) {
                        fleet.getAI().setActionTextOverride(null);
                    } else {
                        fleet.getAI().setActionTextOverride(travel);
                    }
                } else {
                    fleet.getAI().setActionTextOverride(null);
                }
            } else if (fleet.getAI() != null) {
                fleet.getAI().setActionTextOverride(null);
            }
        }
        
        // replaced with separate MissionFleetAutoDespawn script
        //despawnIfNeeded(amount);
    }
    
//  protected void despawnIfNeeded(float amount) {
//      if (isMissionEnded()) {
//          if (!fleet.isInCurrentLocation()) {
//              elapsedWaitingForDespawn += Global.getSector().getClock().convertToDays(amount);
//              if (elapsedWaitingForDespawn > 30f && fleet.getBattle() == null) {
//                  fleet.despawn(FleetDespawnReason.PLAYER_FAR_AWAY, null);
//                  elapsedWaitingForDespawn = 0f;
//              }
//          } else {
//              elapsedWaitingForDespawn = 0f;
//          }
//      }
//  }
    
    public boolean isMissionEnded() {
        return mission instanceof IntelInfoPlugin && ((IntelInfoPlugin)mission).isEnded();
    }
 
    public boolean isDone() {
        return false;
    }
 
    public boolean runWhilePaused() {
        return false;
    }
    
    
 
}