public void Interact(GridPosition gridPosition)
{
if (_selectedEntity == null)
{
return;
}
var clickedEntity = Entities.FirstOrDefault(entity => entity.Position == gridPosition);
if (clickedEntity == null)
{
if (_selectedEntity.CanMove)
{
var obstacles = Entities
.Where(entity => entity.IsObstacle(PlayerSide))
.Select(entity => entity.Position)
.ToList();
var path = _astar.Calculate(_selectedEntity.Position, gridPosition, obstacles);
if (path != null && path.Count <= _selectedEntity.MovementRange + 1)
{
BlockUI = true;
StartCoroutine(Move(_selectedEntity, path));
}
}
}
else
{
if (_selectedEntity.CanAttack)
{
var target = clickedEntity as LivingEntity;
if (target != null && target.Side != PlayerSide)
{
var range = GridPosition.Distance(_selectedEntity.Position, target.Position);
if (range <= _selectedEntity.Weapon.Range)
{
BlockUI = true;
StartCoroutine(Attack(_selectedEntity, target));
}
}
}
}
}
public IEnumerator CalculateTurn(List <Entity> entities, Astar astar, Side side, float movementSpeed, float salvoFlightTime)
{
var ownEntities = entities.OfType <LivingEntity>().Where(entity => entity.Side == side).ToList();
var enemyShips = entities.OfType <LivingEntity>().Where(entity => entity.Side != side).ToList();
foreach (var own in ownEntities)
{
if (!own.CanAttack)
{
continue;
}
var blackList = new List <LivingEntity>();
bool selectNewEnemy;
do
{
selectNewEnemy = false;
var enemy = GetNearestEnemy(own, enemyShips.Except(blackList));
if (GridPosition.Distance(own.Position, enemy.Position) <= own.Weapon.Range)
{
yield return(own.Attack(enemy, salvoFlightTime));
}
else
{
var obstacles = entities
.Except(ownEntities)
.Where(entity => entity != enemy)
.Select(entity => entity.Position)
.ToList();
var destinations = GetDestinations(enemy.Position, own.Weapon.Range)
.Except(entities.Select(entity => entity.Position))
.Distinct();
IList <GridPosition> shortestPath = null;
foreach (var destination in destinations)
{
var path = astar.Calculate(own.Position, destination, obstacles);
if (shortestPath == null || path.Count < shortestPath.Count)
{
shortestPath = path;
}
}
if (shortestPath != null)
{
var path = shortestPath.Count > own.MovementRange + 2
? shortestPath.Take(own.MovementRange + 1).ToList()
: shortestPath;
yield return(own.Move(path, movementSpeed));
if (GridPosition.Distance(own.Position, enemy.Position) <= own.Weapon.Range)
{
yield return(own.Attack(enemy, salvoFlightTime));
}
}
else
{
blackList.Add(enemy);
selectNewEnemy = true;
}
}
} while (selectNewEnemy && blackList.Count < enemyShips.Count);
}
}