/// <summary>
/// 最下段のドロップがあるブロックを取得
/// </summary>
private MDDropBlock GetMostUnderFullBlock(int row, bool ignoreReserve = true)
{
MDDropBlock block = m_Lines[0][row];
while (block != null && block.AttachedDrop == null && (ignoreReserve || block.ReservedDrop == null))
{
block = block.GetLink(PlayAreaBlock.Dir.Up) as MDDropBlock;
}
return(block);
}
/// <summary>
/// ドロップをプッシュ
/// </summary>
public void PushDrop(int row)
{
if (row < 0 || row >= Width || !IsValidPush())
{
return;
}
// 最下段のドロップがあるブロックの下のブロックを取得
MDDropBlock block = GetMostUnderFullBlock(row, false);
block = block == null ? m_Lines[m_Lines.Count - 1][row] : block.GetLink(PlayAreaBlock.Dir.Down) as MDDropBlock;
for (int i = 0; i < m_PulledDrop.Count; i++)
{
// ターゲットブロックが無ければ空のラインを追加
if (block == null)
{
AddEmptyLine(true);
block = m_Lines[0][row];
}
// 消滅可能
m_PulledDrop[i].IsValidVanish = true;
// プッシュ登録
m_PulledDrop[i].IsPushed = true;
// 即座に消えるプッシュ
m_PulledDrop[i].IsMatchPushed = m_PulledDrop.Count >= MDGame.Config.MinVanishMatchCount;
// 予約
block.Reserve(m_PulledDrop[i]);
// プッシュ
m_PushingDrops.Add(m_PulledDrop[i]);
m_PulledDrop[i].BeginPush(Game.Player.transform.position + Vector3.down * i * BlockSize);
block = block.GetLink(PlayAreaBlock.Dir.Down) as MDDropBlock;
}
m_PulledDrop.Clear();
}
/// <summary>
/// ドロップをプル
/// </summary>
public bool PullDrop(int row)
{
if (row < 0 || row >= Width || !IsValidPull(row))
{
return(false);
}
int count = 0;
// 最下段のドロップがあるブロックを取得
MDDropBlock block = GetMostUnderFullBlock(row, false);
if (block != null)
{
MDDrop drop = null;
while (block != null && block.IsAttachOrReserved)
{
bool reserveDrop = block.ReservedDrop != null;
drop = reserveDrop ? block.ReservedDrop : block.AttachedDrop;
if ((!drop.IsLocked() || reserveDrop) && (m_PulledDrop.Count == 0 || drop.DropType == m_PulledDrop[0].DropType))
{
if (reserveDrop)
{
drop.CancelState();
block.CancelReserve();
}
else
{
block.Detach();
}
drop.BeginPull(Game.Player as MDPlayer);
m_PulledDrop.Add(drop);
block = block.GetLink(PlayAreaBlock.Dir.Up) as MDDropBlock;
++count;
}
else
{
break;
}
}
}
return(count > 0);
}