private AShip SearchClosestShip(AShip ship, QuadTree quadTree, float range)
{
var possibleCollisions = new List <AShip>();
quadTree.Retrieve(possibleCollisions, ship);
AShip nearestShip = null;
foreach (var potentialEnemyShip in possibleCollisions)
{
//only add ships that are new
var rangeCircle = new CircleF(ship.Position, range); //scan radius
if (rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
potentialEnemyShip.Hp >= 0)
{
if (nearestShip == null)
{
nearestShip = potentialEnemyShip;
}
else if (Vector2.Distance(nearestShip.Position, ship.Position) > Vector2.Distance(potentialEnemyShip.Position, ship.Position))
{
nearestShip = potentialEnemyShip;
}
}
}
return(nearestShip);
}
// Очистка группы
public void Clear()
{
foreach (Ship AShip in Ships)
{
AShip.ShowPath(false);
}
LastPlanet = null;
Ships.Clear();
Planets.Clear();
DoSetGroup();
}
public Coord(AShip ship)
{
Hit = false;
Ship = ship;
}
/// <summary>
/// Check for possible actions for the Fleets and single Ships controled by the AI.
/// </summary>
public void Update(GameTime gameTime, QuadTree quadTree)
{
//FisherShips
var counter = mAiFisherShipList.Count;
for (var i = 0; i < counter; i++)
{
var fShip = mAiFisherShipList[i];
if (!fShip.Moving)
{
if (mFishingMovingDelay <= 0)
{
var randomNumber = new Random();
//moving to a random position in the Map
var x = randomNumber.Next(0, 5760);
var y = randomNumber.Next(0, 5760);
fShip.Move(PathFinder.CalculatePath(fShip.Position, new Vector2(x, y), false));
mFishingMovingDelay = 8;
}
else
{
mFishingMovingDelay -= gameTime.ElapsedGameTime.TotalSeconds;
}
}
if (!fShip.Owned && fShip.Hp > 0)
{
continue;
}
mAiFisherShipList.RemoveAt(i);
counter--;
fShip.HealthBar = null;
fShip.CrewBar = null;
if (fShip.Owned
)
{
Game1.mEventScreen.mEventManager.UpdateStatTotal("Ships Hijacked", 1);
}
}
//TradingShips
counter = mAiTradingShipList.Count;
for (var i = 0; i < counter; i++)
{
var tShip = mAiTradingShipList[i];
if (!tShip.Moving)
{
if (mTradingMovingDelay <= 0)
{
var randomNumber = new Random();
var number = randomNumber.Next(0, IslandManager.IslandCount);
var destination = new Vector2(IslandManager.Islands[IslandManager.mIslandNames[number]].X + randomNumber.Next(20, 50),
IslandManager.Islands[IslandManager.mIslandNames[number]].Y + randomNumber.Next(20, 50));
if (Vector2.Distance(destination, tShip.Position) > 100 &&
Game1.mMapScreen.mGridMap.GetCell(destination).IsWalkable &&
!Game1.mMapScreen.mGridMap.GetCell(destination).Occupied)
{
tShip.Move(PathFinder.CalculatePath(tShip.Position, destination, false));
mTradingMovingDelay = 5;
}
}
else
{
mTradingMovingDelay -= gameTime.ElapsedGameTime.TotalSeconds;
}
}
if (tShip.Hp < tShip.MaxHp) //shoot back
{
if (!mDefendingShipList.Contains(tShip))
{
tShip.Defend(tShip.ShipPath);
mDefendingShipList.Add(tShip);
}
if (tShip.Hp <= 40) //fleeing
{
tShip.TargetShip = null;
tShip.Move(tShip.ShipPath);
tShip.CurrentBState = TradingShip.ShipBattleState.Idle;
mDefendingShipList.Remove(tShip);
}
}
if (!tShip.Owned && tShip.Hp > 0)
{
continue;
}
mAiTradingShipList.RemoveAt(i);
counter--;
if (tShip.Owned)
{
tShip.CrewBar = null;
tShip.HealthBar = null;
Game1.mEventScreen.mEventManager.UpdateStatTotal("Ships Hijacked", 1);
var random = new Random();
if (random.Next(0, 4) == 1)// 25% dropchance
{
RessourceManager.AddRessource("mapParts", 1);
}
}
}
//BattleShips
counter = mAiBattleShipsList.Count;
for (var i = 0; i < counter; i++)
{
var bShip = mAiBattleShipsList[i];
if (bShip.CurrentBState == BattleShip.ShipBattleState.Idle)
{
if (!bShip.Moving)
{
if (mBattleMovingDelay <= 0)
{
//moving to a random position in the Map
var randomNumber = new Random();
var x = randomNumber.Next(0, 5760);
var y = randomNumber.Next(0, 5760);
bShip.Move(PathFinder.CalculatePath(bShip.Position, new Vector2(x, y), false));
mBattleMovingDelay = 3;
}
else
{
mBattleMovingDelay -= gameTime.ElapsedGameTime.TotalSeconds;
}
}
//scan for possible enemies in reach and attack them if they aren't to powefull
var possibleCollisions = new List <AShip>();
var enemyShipsCount = 0;
quadTree.Retrieve(possibleCollisions, bShip);
if (possibleCollisions.Count > 0)
{
AShip nearestShip = null;
for (var index = 0; index < possibleCollisions.Count; index++)
{
var rangeCircle = new CircleF(bShip.Position, 500f); //scan radius
if (rangeCircle.Contains(possibleCollisions[index].Position) &&
possibleCollisions[index].Owned && possibleCollisions[index].Hp >= 0)
{
if (nearestShip == null)
{
nearestShip = possibleCollisions[index];
}
enemyShipsCount++;
//save the nearest Ship
if (Vector2.Distance(bShip.Position, possibleCollisions[index].Position) <
Vector2.Distance(bShip.Position, nearestShip.Position))
{
nearestShip = possibleCollisions[index];
}
}
}
//only attack up to 3 ships
if (enemyShipsCount > 0 && enemyShipsCount <= 3 && nearestShip != null)
{
var random = new Random();
var number = random.Next(0, 2);
if ((number == 1) && nearestShip.EnterAttackValue - 8 < bShip.EnterAttackValue)
{
bShip.Move(PathFinder.CalculatePath(bShip.Position, nearestShip.Position, false));
bShip.Enter(nearestShip);
mEnteringShipList.Add(bShip);
}
else
{
bShip.Move(PathFinder.CalculatePath(bShip.Position, nearestShip.Position, false));
bShip.Attack(nearestShip);
mAttackingShipList.Add(bShip);
}
}
else if (enemyShipsCount > 3)
{
bShip.CurrentBState = BattleShip.ShipBattleState.Defending;
mDefendingShipList.Add(bShip);
}
}
}
if (!bShip.Owned && bShip.Hp > 0)
{
continue;
}
mAiBattleShipsList.RemoveAt(i);
counter--;
bShip.CrewBar = null;
bShip.HealthBar = null;
if (!Game1.mMapScreen.mTechDemo && bShip.Owned)
{
Game1.mEventScreen.mEventManager.UpdateStatTotal("Ships Hijacked", 1);
var random = new Random();
if (random.Next(0, 3) == 1)// 33% dropchance
{
RessourceManager.AddRessource("mapParts", 1);
}
}
}
//Fleets
counter = mAiFleetList.Count;
for (var t = 0; t < counter; t++)
{
var fleet = mAiFleetList[t];
//check if the ships are still in the fleet
var bCounter = fleet.BattleShips.Count;
for (var i = 0; i < bCounter; i++)
{
if (!(fleet.BattleShips[i].Hp <= 0) && !fleet.BattleShips[i].Owned)
{
continue;
}
fleet.BattleShips.RemoveAt(i);
bCounter--;
}
var tCounter = fleet.TradingShips.Count;
for (var i = 0; i < tCounter; i++)
{
if (!(fleet.TradingShips[i].Hp <= 0) && !fleet.TradingShips[i].Owned)
{
continue;
}
fleet.TradingShips.RemoveAt(i);
tCounter--;
}
//ceck if fleets are whiped out
if (fleet.FleetCount() <= 0)
{
mAiFleetList.Remove(fleet);
counter--;
}
if (!fleet.InBattle)
{
//search for enemies when not in Battle
var possibleCollisions = new List <AShip>();
var toAttack = new List <AShip>();
quadTree.Retrieve(possibleCollisions, fleet.FlagShip);
//check if the ships are enemies and in range
foreach (var potentialEnemyShip in possibleCollisions)
{
var rangeCircle = new CircleF(fleet.FlagShip.Position, 600f); //scan radius
if (rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
potentialEnemyShip.Hp >= 0)
{
toAttack.Add(potentialEnemyShip);
}
}
//if there are any enemies, attack them
if (toAttack.Count > 0)
{
fleet.Attack(toAttack);
}
//random movement. Determines with the Flagship if the fleet is moving.
if (!fleet.FlagShip.Moving && !fleet.Defending)
{
if (mBattleMovingDelay <= 0)
{
//moving to a random position in the Map
var randomNumber = new Random();
var x = randomNumber.Next(0, 5760);
var y = randomNumber.Next(0, 5760);
fleet.Move(new Vector2(x, y));
mBattleMovingDelay = 3;
}
else
{
mBattleMovingDelay -= gameTime.ElapsedGameTime.TotalSeconds;
}
}
}
else//when in battle
{
//check if own ships were entered
for (int i = 0; i < fleet.BattleShips.Count; i++)
{
if (fleet.BattleShips[i].Owned)
{
fleet.MarkedShips.Add(fleet.BattleShips[i]);
fleet.BattleShips.RemoveAt(i);
}
}
//check if own ships were entered
for (int i = 0; i < fleet.TradingShips.Count; i++)
{
if (fleet.TradingShips[i].Owned)
{
fleet.MarkedShips.Add(fleet.TradingShips[i]);
fleet.TradingShips.RemoveAt(i);
}
}
//check if the marked ships still exist and the distance
var kCounter = fleet.MarkedShips.Count;
for (var i = 0; i < kCounter; i++)
{
if (fleet.MarkedShips[i].Hp <= 0 || !fleet.MarkedShips[i].Owned || Vector2.Distance(fleet.MarkedShips[i].Position, fleet.FlagShip.Position) > 600)
{
fleet.MarkedShips.RemoveAt(i);
kCounter--;
i--;
}
}
fleet.UpdateBattle();
//check for enemies
var possibleCollisions = new List <AShip>();
var toAttack = new List <AShip>();
quadTree.Retrieve(possibleCollisions, fleet.FlagShip);
foreach (var potentialEnemyShip in possibleCollisions)
{
//only add ships that are new
var rangeCircle = new CircleF(fleet.FlagShip.Position, 700f); //scan radius
if (!fleet.MarkedShips.Contains(potentialEnemyShip) && rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
potentialEnemyShip.Hp >= 0)
{
toAttack.Add(potentialEnemyShip);
}
}
if (toAttack.Count > 0)
{
fleet.MarkedShips.AddRange(toAttack);
}
//if there is no enemy left, the fleet will stop battling
if (fleet.MarkedShips.Count <= 0)
{
fleet.InBattle = false;
fleet.StopBattle();
}
}
}
//GhostShip
if (GhostShip != null)
{
if (GhostShip.CurrentBState == GhostShip.ShipBattleState.Idle)
{
//check if there are any enemyShips nearby
var enemyShips = new List <AShip>();
var possibleCollisions = new List <AShip>();
quadTree.Retrieve(possibleCollisions, GhostShip);
foreach (var potentialEnemyShip in possibleCollisions)
{
//only add ships that are new
var rangeCircle = new CircleF(GhostShip.Position, 600f); //scan radius
if (!GhostShip.TargetShips.Contains(potentialEnemyShip) && rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
potentialEnemyShip.Hp >= 0)
{
enemyShips.Add(potentialEnemyShip);
}
}
if (enemyShips.Count > 0)
{
GhostShip.Attack(enemyShips);
}
//move to the island if not already next to it.
if (Vector2.Distance(GhostShip.Position, GhostShip.TreasureIslandPosition) >= 200 && !GhostShip.Moving)
{
GhostShip.Move(PathFinder.CalculatePath(GhostShip.Position, GhostShip.TreasureIslandPosition, true));
}
}
else if (GhostShip.CurrentBState == GhostShip.ShipBattleState.Attacking)
{
GhostShip.Update(gameTime);
//check if there are any new enemyShips nearby
var possibleCollisions = new List <AShip>();
quadTree.Retrieve(possibleCollisions, GhostShip);
foreach (var potentialEnemyShip in possibleCollisions)
{
//only add ships that are new
var rangeCircle = new CircleF(GhostShip.Position, 600f); //scan radius
if (!GhostShip.TargetShips.Contains(potentialEnemyShip) && rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
potentialEnemyShip.Hp >= 0)
{
GhostShip.TargetShips.Add(potentialEnemyShip);
}
}
//moving
mGhostMovementDelay -= gameTime.ElapsedGameTime.TotalSeconds;
if (mGhostMovementDelay <= 0 && GhostShip.NearestTarget != null)
{
Vector2 movementTarget;
if (Vector2.Distance(GhostShip.NearestTarget.Position, GhostShip.Position) <= 120)
{
if (GhostShip.MoveRight)
{
movementTarget = GhostShip.Position +
(Vector2.Normalize(GhostShip.Position - GhostShip.NearestTarget.Position).PerpendicularCounterClockwise() * 100f);
GhostShip.MoveRight = false;
}
else
{
movementTarget = GhostShip.Position +
(Vector2.Normalize(GhostShip.Position - GhostShip.NearestTarget.Position).PerpendicularClockwise() * 100f);
GhostShip.MoveRight = true;
}
mGhostMovementDelay = 1.5;
}
else
{
movementTarget = GhostShip.NearestTarget.Position +
Vector2.Normalize(GhostShip.Position - GhostShip.NearestTarget.Position) * 20f;
mGhostMovementDelay = 1;
}
GhostShip.Move(PathFinder.CalculatePath(GhostShip.Position, movementTarget, true));
}
}
if (GhostShip.Hp <= 0)
{
GhostShip.DropLoot();
mAllShipList.Remove(GhostShip);
GhostShip = null;
}
}
else
{
//spawn ships if necessary
RespawnShips();
}
if (Octopus != null)
{
//search for enemies
if (Octopus.CurrentBState == Octopus.ShipBattleState.Idle)
{
/*
* var possibleCollisions = new List<AShip>();
* quadTree.Retrieve(possibleCollisions, Octopus);
* AShip nearestShip = null;
* foreach (var potentialEnemyShip in possibleCollisions)
* {
* //only add ships that are new
*
* var rangeCircle = new CircleF(Octopus.Position, 400f); //scan radius
* if (rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
* potentialEnemyShip.Hp >= 0)
* {
* if (nearestShip == null)
* {
* nearestShip = potentialEnemyShip;
* }
* else if (Vector2.Distance(nearestShip.Position, Octopus.Position) > Vector2.Distance(potentialEnemyShip.Position, Octopus.Position))
* {
* nearestShip = potentialEnemyShip;
* }
* }
* }*/
var nearestShip = SearchClosestShip(Octopus, quadTree, 400f);//testing
if (nearestShip != null)
{
Octopus.Enter(nearestShip);//attack the closest enemy
}
//move back to original position
if (Vector2.Distance(Octopus.Position, Octopus.HousingPosition) >= 200 && !Octopus.Moving)
{
Octopus.Move(PathFinder.CalculatePath(Octopus.Position, Octopus.HousingPosition, true));
}
}
else if (Octopus.CurrentBState == Octopus.ShipBattleState.Entering)
{
Octopus.Update(gameTime);
mOctopusChasingDelay -= gameTime.ElapsedGameTime.TotalSeconds;
if (Octopus.TargetShip != null && Vector2.Distance(Octopus.Position, Octopus.TargetShip.Position) >= 70 && mOctopusChasingDelay <= 0)
{
mOctopusChasingDelay = 2;
Octopus.Move(PathFinder.CalculatePath(Octopus.Position, Octopus.TargetShip.Position, true));
}
}
if (Octopus.Hp <= 0)
{
Octopus.DropLoot();
mAllShipList.Remove(Octopus);
Octopus = null;
}
}
if (Dragon != null)
{
Dragon.Update(gameTime, quadTree);//special Updates for the dragon..
Dragon.UpdateDragonMovement(gameTime);
//check if the Dragoon is fighting or not
if (Dragon.CurrentBState == Dragon.ShipBattleState.Idle)
{
if (!Dragon.Moving)
{
//moving to a random position in the Map
var randomNumber = new Random();
var x = randomNumber.Next(0, 5760);
var y = randomNumber.Next(0, 5760);
Dragon.MoveDragon(new Vector2(x, y));
}
/*
* var possibleCollisions = new List<AShip>();
* quadTree.Retrieve(possibleCollisions, Dragon);
* AShip nearestShip = null;
* foreach (var potentialEnemyShip in possibleCollisions)
* {
* //only add ships that are new
* var rangeCircle = new CircleF(Octopus.Position, 200f); //scan radius
* if (rangeCircle.Contains(potentialEnemyShip.Position) && potentialEnemyShip.Owned &&
* potentialEnemyShip.Hp >= 0)
* {
* if (nearestShip == null)
* {
* nearestShip = potentialEnemyShip;
* }
* else if (Vector2.Distance(nearestShip.Position, Octopus.Position) > Vector2.Distance(potentialEnemyShip.Position, Octopus.Position))
* {
* nearestShip = potentialEnemyShip;
* }
* }
* }*/
var nearestShip = SearchClosestShip(Dragon, quadTree, 200f);
if (nearestShip != null)
{
Dragon.Attack(nearestShip); //attack the closest enemy
}
}
else if (Dragon.CurrentBState == Dragon.ShipBattleState.Attacking)
{
//Chasing
if (Dragon.TargetShip != null && Vector2.Distance(Dragon.Position, Dragon.TargetShip.Position) >= 70)
{
Dragon.MoveDragon(Dragon.TargetShip.Position);
}
}
if (Dragon.Hp <= 0)
{
Dragon.DropLoot();
mAllShipList.Remove(Dragon);
Dragon = null;
}
}
}
