private void AIUpdate(GameTime gameTime)
{
// AI only works if NPC aboard
if (shipInterior.interiorObjects.OfType <Npc>().Any())
{
// AI ship direction and movement
if (timeSinceLastTurn > millisecondsPerTurn)
{
if (!roaming)
{
if (regionKey.Equals("GustoMap")) // TEMP see pathFind comment below
{
regionKey = "Usopp";
}
randomRoamTile = BoundingBoxLocations.RegionMap[regionKey].RegionOceanTiles[RandomEvents.rand.Next(BoundingBoxLocations.RegionMap[regionKey].RegionOceanTiles.Count)];
roaming = true;
TilePiece rtp = (TilePiece)randomRoamTile;
Point? gridPointTo = rtp.mapCordPoint;
currentPath = AIUtility.Pathfind(mapCordPoint.Value, gridPointTo.Value, PathType.Ocean); // NOTE: This freezes the game when hitting GustoMap region (because it is almost all the tiles at the moment)
}
else
{
// move to attack/follow target when in range
int shotRange = mountedOnShip == null ? 0 : mountedOnShip.shotRange;
if (shotRange > 0)
{
Tuple <Point?, float> targetInfo = AIUtility.ChooseTargetPoint(teamType, shotRange, GetBoundingBox(), inInteriorId, PathType.Ocean);
if (targetInfo != null)
{
// stop distance
var distanceToTarget = targetInfo.Item2;
if (distanceToTarget <= stopRange)
{
moving = false;
shipSail.moving = false;
}
else
{
moving = true;
shipSail.moving = true;
}
Point?targetMapCords = targetInfo.Item1;
// compute follow path
if (!following)
{
currentPath = AIUtility.Pathfind(mapCordPoint.Value, targetMapCords.Value, PathType.Ocean);
following = true;
}
}
else
{
following = false;
}
}
// we have found the next tile in path
if (currentPath[0].GetBoundingBox().Intersects(GetBoundingBox()))
{
currentPath.RemoveAt(0);
if (currentPath.Count == 0)
{
roaming = false;
following = false;
}
}
if (roaming)
{
currRowFrame = AIUtility.SetAIShipDirection(currentPath[0].GetBoundingBox().Center.ToVector2(), location);
}
}
shipSail.currRowFrame = currRowFrame;
timeSinceLastTurn -= millisecondsPerTurn;
}
// AI shooting
if (mountedOnShip != null)
{
Vector2?shotDirection = AIUtility.ChooseTargetVector(teamType, mountedOnShip.shotRange, GetBoundingBox(), inInteriorId);
mountedOnShip.UpdateAIMountShot(gameTime, shotDirection);
// temp setting AI to use weapon slot 0
Vector2 weaponPosOffset = new Vector2(ShipMountTextureCoordinates.WeaponMountCords[bbKey][currRowFrame][0].Item1, ShipMountTextureCoordinates.WeaponMountCords[bbKey][currRowFrame][0].Item2);
mountedOnShip.location = GetBoundingBox().Center.ToVector2() + weaponPosOffset;
}
}
}