/// <summary>
/// Unity Update loop.
/// </summary>
void Update()
{
RaycastHit?hit = null;
bool foundUnit = false;
BattleUnit toAttack = null;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit[] allHits = Physics.RaycastAll(ray, 200f);
if (allHits.Length > 0)
{
for (int i = 0; i < allHits.Length && hit == null; i++)
{
BattleHex newHit = allHits[i].transform.gameObject.GetComponentInParent <BattleHex>();
if (newHit != null)
{
hit = allHits[i];
if (newHit.HasUnit && newHit.Unit is AIControlledUnit)
{
foundUnit = true;
if (_attackState == false)
{
_attackState = true;
Cursor.SetCursor(_attackCursor, Vector2.zero, CursorMode.Auto);
}
BattleHex closestHex = null;
float closestDistance = float.MaxValue;
foreach (var hex in newHit.Neighbours)
{
float distance = Vector3.Distance(hex.transform.position, hit.Value.point);
if (distance < closestDistance)
{
closestDistance = distance;
closestHex = hex;
}
}
if (closestHex != null)
{
toAttack = newHit.Unit;
if (_currentHit != closestHex)
{
if (_currentHit == null)
{
_currentHit = closestHex;
_currentHit.MouseEnter();
}
else
{
_currentHit.MouseLeave();
_currentHit = closestHex;
_currentHit.MouseEnter();
}
}
}
else if (_currentHit != null)
{
_currentHit.MouseLeave();
_currentHit = null;
}
}
else if (_currentHit != newHit)
{
if (_currentHit == null)
{
_currentHit = newHit;
_currentHit.MouseEnter();
}
else
{
_currentHit.MouseLeave();
_currentHit = newHit;
_currentHit.MouseEnter();
}
}
}
}
}
if (hit == null && _currentHit != null)
{
_currentHit.MouseLeave();
_currentHit = null;
}
if (!_isLocked && Input.GetMouseButtonDown(MouseButton.Right) && _currentHit != null)
{
Path <BattleHex> path = null;
if (_battleGrid.CurrentUnit.CanTravelTo(_currentHit))
{
path = PathFinder.FindPath(_battleGrid.CurrentUnit.CurrentHexTile, _currentHit);
}
else if (toAttack != null && _battleGrid.CurrentUnit.IsOnTile(_currentHit))
{
path = new Path <BattleHex>(_currentHit);
}
if (path != null)
{
if (toAttack != null)
{
_battleGrid.CurrentUnit.TravelPathAndAttack(path.GetPath(), toAttack);
}
else
{
_battleGrid.CurrentUnit.TravelPath(path.GetPath());
}
Lock();
}
}
if (foundUnit == false && _attackState)
{
_attackState = false;
Cursor.SetCursor(_regularCursor, Vector2.zero, CursorMode.Auto);
}
}