Make a start on pirate AI (doesn't work yet)
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Resources/AIs/pirateAI.js
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120
Resources/AIs/pirateAI.js
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/*
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pirateAI.js
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Priority-based AI for pirates
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Oolite
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Copyright © 2004-2013 Giles C Williams and contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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"use strict";
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this.name = "Oolite Pirate AI";
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this.version = "1.79";
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this.aiStarted = function() {
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var ai = new worldScripts["oolite-libPriorityAI"].AILib(this.ship);
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ai.setParameter("oolite_flag_watchForCargo",true);
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/* This communication is necessary but needs more variety and moving to descriptions.plist so it can be translated */
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ai.setCommunication("oolite_piracyAlert","Your cargo or your life, [p1]! Give us [p2] containers and we'll let you go.");
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ai.setPriorities([
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/* Combat */
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{
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condition: ai.conditionLosingCombat,
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behaviour: ai.behaviourFleeCombat,
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reconsider: 5
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},
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{
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condition: ai.conditionCargoDemandsMet,
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/* Let them go if they've dropped enough cargo and stop firing back */
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truebranch: [
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{
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condition: ai.conditionInCombat,
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configuration: ai.configurationAcquireCombatTarget,
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behaviour: ai.behaviourRepelCurrentTarget,
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reconsider: 5
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}
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],
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falsebranch: [
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{
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condition: ai.conditionInCombat,
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configuration: ai.configurationAcquireCombatTarget,
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behaviour: ai.behaviourDestroyCurrentTarget,
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reconsider: 5
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}
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]
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},
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{
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preconfiguration: ai.configurationCheckScanner,
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condition: ai.conditionScannerContainsSalvage,
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configuration: ai.configurationAcquireScannedTarget,
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behaviour: ai.behaviourCollectSalvage,
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reconsider: 20
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},
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/* Stay out of the way of hunters */
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{
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condition: ai.conditionScannerContainsHunters,
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configuration: ai.configurationAcquireScannedTarget,
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behaviour: ai.behaviourVicinityOfTarget,
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reconsider: 20
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},
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/* Regroup if necessary */
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{
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preconfiguration: ai.configurationAppointGroupLeader,
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condition: ai.conditionGroupIsSeparated,
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configuration: ai.configurationSetDestinationToGroupLeader,
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behaviour: ai.behaviourApproachDestination,
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reconsider: 15
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},
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{
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condition: ai.conditionGroupHasEnoughLoot,
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/* Find a station to dock at */
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truebranch: [
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/* TODO */
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],
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/* Look for more loot */
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falsebranch: [
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{
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condition: ai.conditionScannerContainsPirateVictims,
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configuration: ai.configurationAcquireScannedTarget,
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truebranch: [
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condition: ai.conditionCombatOddsGood,
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behaviour: ai.behaviourRobTarget,
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reconsider: 5
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]
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},
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/* TODO: move to a position on one of the space lanes, preferring lane 1 */
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]
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},
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{
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// full of loot, but stuck in system and no friendly stations
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configuration: ai.configurationSetDestinationToWitchpoint,
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// TODO: behaviour search for wormholes
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behaviour: ai.behaviourApproachDestination,
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reconsider: 30
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}
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]);
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}
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@ -39,7 +39,8 @@ this.aiStarted = function() {
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* before 1.79 */
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ai.setCommunication("oolite_selectedStation","Heading for [p1]");
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ai.setCommunication("oolite_selectedWitchspaceDestination","Prepare for witchspace jump to [p1]");
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ai.setCommunication("oolite_engageWitchspaceDrive","Commencing witchspace countdown");
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ai.setCommunication("oolite_agreeingToDumpCargo","Take our cargo but please let us go!");
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ai.setPriorities([
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{
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@ -480,6 +480,23 @@ this.AILib = function(ship)
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});
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}
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this.conditionScannerContainsHunters = function()
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{
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return this.checkScannerWithPredicate(function(s) {
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return s.primaryRole == "hunter" || s.scanClass == "CLASS_POLICE" || (s.isStation && s.isMainStation);
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});
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}
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this.conditionScannerContainsPirateVictims = function()
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{
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return this.checkScannerWithPredicate(function(s) {
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// is a pirate victim
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// has some cargo on board
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// hasn't already paid up
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return s.isPirateVictim && s.cargoSpaceUsed > 0 && (!s.AIScript.oolite_intership || !s.AIScript.oolite_intership.cargodemandpaid);
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});
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}
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this.conditionScannerContainsHuntableOffender = function()
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{
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return this.checkScannerWithPredicate(function(s) {
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@ -709,6 +726,109 @@ this.AILib = function(ship)
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return true;
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}
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this.conditionCargoDemandsMet = function()
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{
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if (!this.getParameter("oolite_flag_watchForCargo"))
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{
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log(this.name,"AI '"+this.ship.AIScript.name+"' for ship "+this.ship+" is asking if cargo demands are met but has not set 'oolite_flag_watchForCargo'");
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return true;
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}
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var seen = this.getParameter("oolite_cargoDropped");
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if (seen != null)
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{
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var demand = 0;
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if (this.group)
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{
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if (this.group.leader && this.group.leader.AIScript.oolite_intership && this.group.leader.AIScript.oolite_intership.cargodemanded > 0)
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{
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demand = this.group.leader.AIScript.oolite_intership.cargodemanded;
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}
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else if (this.group.ships[0].AIScript.oolite_intership && this.group.ships[0].AIScript.oolite_intership.cargodemanded > 0)
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{
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demand = this.group.ships[0].AIScript.oolite_intership.cargodemanded;
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}
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}
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else
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{
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if (this.ship.AIScript.oolite_intership.cargodemanded > 0)
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{
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demand = this.ship.AIScript.oolite_intership.cargodemanded;
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}
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}
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if (demand == 0)
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{
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return false; // no demand made, so it can't have been met
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}
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if (demand <= seen)
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{
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return true;
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}
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}
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return false;
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}
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this.conditionGroupIsSeparated = function()
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{
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if (!this.ship.group || !this.ship.group.leader)
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{
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return false;
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}
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return (this.ship.position.distanceTo(this.ship.group.leader) > this.ship.scannerRange);
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}
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this.conditionCombatOddsGood = function()
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{
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// TODO: this should consider what the ships are, somehow
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var us = 1;
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if (this.ship.group)
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{
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us += this.ship.group.count - 1;
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}
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if (this.ship.escortGroup)
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{
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us += this.ship.escortGroup.count - 1;
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}
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var them = 1;
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if (this.ship.target.group)
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{
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them += this.ship.target.group.count - 1;
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}
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if (this.ship.target.escortGroup)
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{
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them += this.ship.target.escortGroup.count - 1;
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}
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return us >= them;
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}
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this.conditionGroupHasEnoughLoot = function()
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{
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var used = 0;
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var available = 0;
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if (!this.ship.group)
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{
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used = this.ship.cargoSpaceUsed;
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available = this.ship.cargoSpaceAvailable;
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}
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else
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{
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for (var i = 0; i < this.ship.group.ships.length; i++)
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{
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used += this.ship.group.ships[i].cargoSpaceUsed;
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available += this.ship.group.ships[i].cargoSpaceAvailable;
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}
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}
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if (available < used || available == 0)
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{
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/* Over half-full. This will do for now. TODO: cutting
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* losses if group is taking damage, losing ships, running
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* low on consumables, etc. */
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return true;
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}
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return false;
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}
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/* ****************** Behaviour functions ************** */
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/* Behaviours. Behaviours are effectively a state definition,
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@ -806,6 +926,7 @@ this.AILib = function(ship)
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this.responsesAddStandard(handlers);
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handlers.shipScoopedOther = function(other)
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{
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this.setParameter("oolite_cargoDropped",null);
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this.reconsiderNow();
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}
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this.setUpHandlers(handlers);
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@ -1142,11 +1263,74 @@ this.AILib = function(ship)
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this.behaviourPayOffPirates = function()
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{
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this.ship.dumpCargo(this.ship.AIScript.oolite_intership.cargodemand);
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this.communicate("oolite_agreeingToDumpCargo");
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delete this.ship.AIScript.oolite_intership.cargodemand;
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this.ship.AIScript.oolite_intership.cargodemandpaid = true;
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this.behaviourFleeCombat();
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}
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this.behaviourLeaveVicinityOfTarget = function()
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{
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if (!this.ship.target)
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{
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this.reconsiderNow();
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return;
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}
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this.ship.destination = this.ship.target.position;
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this.ship.desiredRange = 27500;
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this.ship.desiredSpeed = this.ship.maxSpeed;
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var handlers = {};
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this.responsesAddStandard(handlers);
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this.setUpHandlers(handlers);
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this.ship.performFlyToRangeFromDestination();
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}
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this.behaviourRobTarget = function()
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{
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var demand = null;
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if (this.ship.group && this.ship.group.leader)
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{
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if (this.ship.group.leader.AIScript.oolite_intership && this.ship.group.leader.AIScript.oolite_intership.cargodemanded)
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{
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demand = this.ship.group.leader.AIScript.oolite_intership.cargodemanded;
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}
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}
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else
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{
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if (this.ship.AIScript.oolite_intership.cargodemanded)
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{
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demand = this.ship.AIScript.oolite_intership.cargodemanded;
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}
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}
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if (demand == null)
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{
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var hascargo = this.ship.target.cargoSpaceUsed;
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var discount = hascargo/10; // if we blow them up we likely won't get more than this anyway
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demand = Math.ceil(discount); // but round it up...
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/* Record our demand with the group leader */
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if (this.ship.group && this.ship.group.leader)
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{
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this.ship.group.leader.AIScript.oolite_intership.cargodemanded = demand;
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}
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else
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{
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this.ship.AIScript.oolite_intership.cargodemanded = demand;
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}
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/* Inform the victim of the demand, if possible */
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if (this.ship.target.AIScript.oolite_intership)
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{
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this.ship.target.AIScript.oolite_intership.cargodemand = demand;
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}
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this.communicate("oolite_piracyAlert",this.ship.target,demand);
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this.ship.requestHelpFromGroup();
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}
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var handlers = {};
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this.responsesAddStandard(handlers);
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this.setUpHandlers(handlers);
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this.ship.performAttack();
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}
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this.behaviourReconsider = function()
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{
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var handlers = {};
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@ -1375,6 +1559,20 @@ this.AILib = function(ship)
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}
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}
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this.configurationSetDestinationToGroupLeader = function()
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{
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if (!this.ship.group || !this.ship.group.leader)
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{
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this.ship.destination = this.ship.position;
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}
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else
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{
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this.ship.destination = this.ship.group.leader.position;
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}
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this.ship.desiredRange = 2000;
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this.ship.desiredSpeed = this.ship.maxSpeed;
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}
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this.configurationSetDestinationFromPatrolRoute = function()
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{
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this.ship.destination = this.getParameter("oolite_patrolRoute");
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@ -1532,6 +1730,14 @@ this.AILib = function(ship)
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}
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this.configurationAppointGroupLeader = function()
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{
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if (this.ship.group && !this.ship.group.leader)
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{
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this.ship.group.leader = this.ship.group.ships[0];
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}
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}
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/* ****************** Response definition functions ************** */
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/* Standard state-machine responses. These set up a set of standard
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@ -1653,6 +1859,19 @@ this.AILib = function(ship)
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}
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}
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}
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handlers.cargoDumpedNearby = function(cargo,ship)
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{
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if (this.getParameter("oolite_flag_watchForCargo"))
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{
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var previously = this.getParameter("oolite_cargoDropped");
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if (previously == null)
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{
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previously = 0;
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}
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previously++;
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this.setParameter("oolite_cargoDropped",previously);
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}
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}
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handlers.approachingPlanetSurface = function()
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{
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this.reconsiderNow();
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