/// <summary>
/// フィールド内の移動を試みます
/// </summary>
/// <param name="commandType"></param>
/// <returns>移動に成功したら true</returns>
public bool TryMove(CommandTypes commandType)
{
if (!_directionTable.ContainsKey(commandType))
{
return(false);
}
var direction = _directionTable[commandType];
var nextPosition = _map.PlayerPosition + direction;
var nextField = _map.GetField(nextPosition);
if (nextField == FieldTypes.Wall)
{
return(false);
}
if (nextField == FieldTypes.Space)
{
_commandManager.Do(new Command(
() => _map.PlayerPosition += direction,
() => _map.PlayerPosition -= direction));
return(true);
}
if (nextField == FieldTypes.Block)
{
var nextNextPosition = nextPosition + direction;
if (_map.GetField(nextNextPosition) != FieldTypes.Space)
{
return(false);
}
_commandManager.Do(new Command(
() => {
_map.PlayerPosition += direction;
_map.SetField(nextPosition, FieldTypes.Space);
_map.SetField(nextNextPosition, FieldTypes.Block);
},
() => {
_map.PlayerPosition -= direction;
_map.SetField(nextPosition, FieldTypes.Block);
_map.SetField(nextNextPosition, FieldTypes.Space);
}));
return(true);
}
return(false);
}
/// <summary>
/// 表示用のフィールド種類を取得します
/// </summary>
/// <param name="map"></param>
/// <param name="position"></param>
/// <returns>表示用のフィールド種類</returns>
FieldTypes GetDisplayFieldType(Map map, Point position)
{
var fieldType = position == map.PlayerPosition
? FieldTypes.Player
: map.GetField(position);
if (map.GoalPositions.Contains(position))
{
fieldType = GetOnGoalFieldType(fieldType);
}
return(fieldType);
}
