/// <summary>
/// 隣接するグリッド座標を取得する
/// </summary>
/// <param name="direction">方向</param>
/// <returns>グリッド座標</returns>
public Vector2Int GetAdjacentCoord(Constants.CardinalDirection direction)
{
var x = Coord.x;
var y = Coord.y;
switch (direction)
{
case Constants.CardinalDirection.N:
y += 1;
break;
case Constants.CardinalDirection.S:
y -= 1;
break;
case Constants.CardinalDirection.E:
x -= 1;
break;
case Constants.CardinalDirection.W:
x += 1;
break;
default:
throw new ArgumentOutOfRangeException(nameof(direction), direction, null);
}
return(new Vector2Int(x, y));
}
void SetDirection(Constants.CardinalDirection direction)
{
var position = transform.position;
Vector3 lookAtTransform;
switch (direction)
{
case Constants.CardinalDirection.N:
lookAtTransform = new Vector3(position.x, position.y, position.z + 1);
break;
case Constants.CardinalDirection.S:
lookAtTransform = new Vector3(position.x, position.y, position.z - 1);
break;
case Constants.CardinalDirection.E:
lookAtTransform = new Vector3(position.x - 1, position.y, position.z);
break;
case Constants.CardinalDirection.W:
lookAtTransform = new Vector3(position.x + 1, position.y, position.z);
break;
default:
throw new ArgumentOutOfRangeException(nameof(direction), direction, null);
}
transform.LookAt(lookAtTransform);
Direction = direction;
}
IEnumerator MovePlayer(Constants.CardinalDirection direction)
{
if (!_inputEnabled)
{
yield break;
}
var targetCoord = Context._stage.Player.Cell.GetAdjacentCoord(direction);
if (!Context._stage.IsMovableOrAttackableCell(targetCoord))
{
yield break;
}
_inputEnabled = false;
var cell = Context._stage.GetCell(targetCoord);
if (!ReferenceEquals(cell.Unit, null) && cell.Unit.UnitType == Constants.UnitType.Enemy)
{
yield return(Context._stage.Player.Attack(cell.Unit));
}
else
{
yield return(Context._stage.Player.Move(cell));
}
StateMachine.Transit <EnemyTurnState>();
}
public void SpawnEnemy(StageCell cell, Constants.CardinalDirection direction)
{
var unit = Unit.Spawn(
Constants.UnitType.Enemy,
_enemyUnitPrefab,
transform, cell, direction);
unit.UnitStatus.MaxHealth = 1;
unit.UnitStatus.Health = 1;
unit.OnUnitDied += OnUnitDied;
unit.UpdateStatusView();
Enemies.Add(unit.Id, unit);
}
public static T Spawn <T>(
Constants.UnitType unitType,
T prefab,
Transform parent,
StageCell cell,
Constants.CardinalDirection direction) where T : Unit
{
var unit = Instantiate(prefab, cell.Tile.transform.position, prefab.transform.rotation);
unit.transform.parent = parent;
unit.Id = _latestId++;
unit.Cell = cell;
unit.SetDirection(direction);
unit.UnitType = unitType;
unit.UnitStatus = new UnitStatus();
cell.Unit = unit;
return(unit);
}
