JSAI: shuttle AI

Resources/AIs/shuttleAI.js

@@ -0,0 +1,88 @@
+/*
+
+shuttleAI.js
+
+Priority-based AI for in-system shuttles
+
+Oolite
+Copyright © 2004-2013 Giles C Williams and contributors
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+MA 02110-1301, USA.
+
+*/
+
+"use strict";
+
+this.name = "Oolite Shuttle AI";
+this.version = "1.79";
+
+this.aiStarted = function() {
+		var ai = new worldScripts["oolite-libPriorityAI"].AILib(this.ship);
+
+		ai.setParameter("oolite_flag_sendsDistressCalls",true);
+		ai.setParameter("oolite_flag_allowPlanetaryLanding",true);
+
+		ai.setCommunication("oolite_landingOnPlanet","Commencing final approach to %N spaceport");
+
+		ai.setPriorities([
+				{
+						condition: ai.conditionInCombat,
+						behaviour: ai.behaviourFleeCombat
+				},
+				{
+						condition: ai.conditionHasSelectedStation,
+						truebranch: [
+								{
+										condition: ai.conditionSelectedStationNearby,
+										configuration: ai.configurationSetSelectedStationForDocking,
+										behaviour: ai.behaviourDockWithStation,
+										reconsider: 30
+								},
+								{
+										configuration: ai.configurationSetDestinationToSelectedStation,
+										behaviour: ai.behaviourApproachDestination,
+										reconsider: 30
+								}
+						]
+				},
+				{
+						condition: ai.conditionHasSelectedPlanet,
+						truebranch: [
+								{
+										preconfiguration: ai.configurationSetDestinationToSelectedPlanet,
+										condition: ai.conditionNearDestination,
+										behaviour: ai.behaviourLandOnPlanet
+								},
+								{
+										behaviour: ai.behaviourApproachDestination,
+										reconsider: 30
+								}
+						]
+				},
+				/* TODO: need to try to hitchhike out! */
+				{
+						condition: ai.conditionInInterstellarSpace,
+						configuration: ai.configurationSetDestinationToWitchpoint,
+						behaviour: ai.behaviourApproachDestination,
+						reconsider: 30
+				},
+				{
+						configuration: ai.configurationSelectShuttleDestination,
+						behaviour: ai.behaviourApproachDestination,
+						reconsider: 1
+				}
+		]);
+}

Resources/Config/autoAImap.plist

@@ -24,7 +24,7 @@
 	"police"			= "policeAI.js";
 	"trader"			= "traderAI.js";
 	"scavenger"			= "scavengerAI.plist";
-	"shuttle"			= "fallingShuttleAI.plist";
+	"shuttle"			= "shuttleAI.js";
 	"sunskim-trader"	= "traderAI.js";
 	"wingman"			= "policeAI.js";
 }

Resources/Scripts/oolite-ailib.js

@@ -520,7 +520,7 @@ this.AILib = function(ship)
 
 		this.conditionMothershipInCombat = function()
 		{
-				if (this.ship.group && this.ship.group.leader != this.ship && this.ship.group.leader.escortGroup.containsShip(this.ship))
+				if (this.ship.group && this.ship.group.leader && this.ship.group.leader != this.ship && this.ship.group.leader.escortGroup.containsShip(this.ship))
 				{
 						var leader = this.ship.group.leader;
 						if (leader.position.distanceTo(this.ship) > this.ship.scannerRange)
@@ -710,7 +710,7 @@ this.AILib = function(ship)
 		this.conditionHasSelectedStation = function()
 		{
 				var station = this.getParameter("oolite_selectedStation");
-				if (station && !station.isValid)
+				if (station && (!station.isValid || !station.isStation))
 				{
 						this.setParameter("oolite_selectedStation",null);
 						return false;
@@ -718,6 +718,18 @@ this.AILib = function(ship)
 				return station != null;
 		}
 
+		this.conditionHasSelectedPlanet = function()
+		{
+				var planet = this.getParameter("oolite_selectedPlanet");
+				if (planet && (!planet.isValid || !planet.isPlanet))
+				{
+						this.setParameter("oolite_selectedPlanet",null);
+						return false;
+				}
+				return planet != null;
+		}
+
+
 		this.conditionInInterstellarSpace = function()
 		{
 				return system.isInterstellarSpace;
@@ -1297,16 +1309,19 @@ this.AILib = function(ship)
 				{
 						if (blocker.isPlanet || blocker.isSun)
 						{
-								if (this.ship.position.distanceTo(blocker) < blocker.radius * 3)
+								// the selected planet can't block
+								if (blocker.isSun || this.getParameter("oolite_selectedPlanet") != blocker)
 								{
-										if (waypoints == null)
+										if (this.ship.position.distanceTo(blocker) < blocker.radius * 3)
 										{
-												waypoints = [];
+												if (waypoints == null)
+												{
+														waypoints = [];
+												}
+												waypoints.push(this.ship.getSafeCourseToDestination());
+												this.ship.destination = waypoints[waypoints.length-1];
+												this.ship.desiredRange = 1000;
 										}
-										waypoints.push(this.ship.getSafeCourseToDestination());
-										this.ship.destination = waypoints[waypoints.length-1];
-										this.ship.desiredRange = 1000;
-										log(this.ship,"Avoiding blocker "+blocker);
 								}
 						}
 						else if (blocker.isShip)
@@ -1323,7 +1338,6 @@ this.AILib = function(ship)
 												waypoints.push(this.ship.getSafeCourseToDestination());
 												this.ship.destination = waypoints[waypoints.length-1];
 												this.ship.desiredRange = 1000;
-												log(this.ship,"Avoiding blocker "+blocker);
 										}
 								}
 						}
@@ -1775,6 +1789,15 @@ this.AILib = function(ship)
 				this.ship.performTumble();
 		}
 
+		this.behaviourLandOnPlanet = function()
+		{
+				this.ship.desiredSpeed = this.ship.maxSpeed / 4;
+				this.ship.performLandOnPlanet();
+				this.ship.AIScriptWakeTime = 0; // cancel reconsiderations
+				this.setUpHandlers({}); // cancel interruptions
+				this.communicate("oolite_landingOnPlanet");
+		}
+
 		/* ****************** Configuration functions ************** */
 
 		/* Configurations. Configurations are set up actions for a behaviour
@@ -1939,6 +1962,55 @@ this.AILib = function(ship)
 				this.ship.target = this.getParameter("oolite_scanResultSpecific");
 		}
 
+		this.configurationSelectShuttleDestination = function()
+		{
+				var possibles = system.planets.concat(system.stations);
+				var destinations1 = [];
+				var destinations2 = [];
+				for (var i = 0; i < possibles.length ; i++)
+				{
+						var possible = possibles[i];
+						// travel at least a little way
+						var distance = possible.position.distanceTo(this.ship);
+						if (distance > possible.collisionRadius + 10000)
+						{
+								// must be friendly destination and not moving too fast
+								if (possible.isPlanet || this.friendlyStation(possible) || possible.maxSpeed > this.ship.maxSpeed / 5)
+								{
+										if (distance > system.mainPlanet.radius * 5)
+										{
+												destinations2.push(possible);
+										}
+										else
+										{
+												destinations1.push(possible);
+										}
+								}
+						}
+				}
+				// no nearby destinations
+				if (destinations1.length == 0)
+				{
+						destinations1 = destinations2;
+				}
+				// no destinations
+				if (destinations1.length == 0)
+				{
+						return;
+				}
+				var destination = destinations1[Math.floor(Math.random()*destinations1.length)];
+				if (destination.isPlanet)
+				{
+						this.setParameter("oolite_selectedPlanet",destination);
+						this.setParameter("oolite_selectedStation",null);
+				}
+				else
+				{
+						this.setParameter("oolite_selectedStation",destination);
+						this.setParameter("oolite_selectedPlanet",null);
+				}
+		}
+
 		this.configurationSelectRandomTradeStation = function()
 		{
 				var stations = system.stations;
@@ -2011,6 +2083,18 @@ this.AILib = function(ship)
 				}
 		}
 
+		this.configurationSetDestinationToSelectedPlanet = function()
+		{
+				var planet = this.getParameter("oolite_selectedPlanet");
+				if (planet)
+				{
+						this.ship.destination = planet.position;
+						this.ship.desiredRange = planet.radius+100;
+						this.ship.desiredSpeed = this.cruiseSpeed();
+				}
+		}
+
+
 		this.configurationSetDestinationToPirateLurk = function()
 		{
 				var lurk = this.getParameter("oolite_pirateLurk");
@@ -2412,7 +2496,18 @@ this.AILib = function(ship)
 				}
 				handlers.approachingPlanetSurface = function()
 				{
-						this.reconsiderNow();
+						if (this.getParameter("oolite_flag_allowPlanetaryLanding"))
+						{
+								this.ship.desiredSpeed = this.ship.maxSpeed / 4;
+								this.ship.performLandOnPlanet();
+								this.ship.AIScriptWakeTime = 0; // cancel reconsiderations
+								this.setUpHandlers({}); // cancel interruptions
+								this.communicate("oolite_landingOnPlanet");
+						}
+						else
+						{
+								this.reconsiderNow();
+						}
 				}
 				handlers.shipLaunchedFromStation = function(station)
 				{

src/Core/Entities/OOPlanetEntity.m

@@ -568,7 +568,7 @@ static OOColor *ColorWithHSBColor(Vector c)
 		
 		[shuttle_ship setScanClass: CLASS_NEUTRAL];
 		[shuttle_ship setCargoFlag:CARGO_FLAG_FULL_PLENTIFUL];
-		[shuttle_ship switchAITo:@"risingShuttleAI.plist"];
+		[shuttle_ship switchAITo:@"shuttleAI.js"];
 		[UNIVERSE addEntity:shuttle_ship];	// STATUS_IN_FLIGHT, AI state GLOBAL
 		_shuttlesOnGround--;
 		_lastLaunchTime = [UNIVERSE getTime];

src/Core/Entities/PlanetEntity.m

@@ -1194,7 +1194,7 @@ static const BaseFace kTexturedFaces[][3] =
 
 		[shuttle_ship setScanClass: CLASS_NEUTRAL];
 		[shuttle_ship setCargoFlag:CARGO_FLAG_FULL_PLENTIFUL];
-		[shuttle_ship switchAITo:@"risingShuttleAI.plist"];
+		[shuttle_ship switchAITo:@"shuttleAI.js"];
 		[UNIVERSE addEntity:shuttle_ship];
 
 		[shuttle_ship release];

src/Core/Entities/StationEntity.m

@@ -1860,7 +1860,7 @@ NSDictionary *OOMakeDockingInstructions(StationEntity *station, HPVector coords,
 		docked_shuttles--;
 		[shuttle_ship setScanClass: CLASS_NEUTRAL];
 		[shuttle_ship setCargoFlag:CARGO_FLAG_FULL_SCARCE];
-		[shuttle_ship switchAITo:@"fallingShuttleAI.plist"];
+		[shuttle_ship switchAITo:@"shuttleAI.js"];
 		[self addShipToLaunchQueue:shuttle_ship withPriority:NO];
 		
 		[shuttle_ship autorelease];