void AddPath(DungeonPath path)
{
addedPaths.Add(path);
Paths.Add(path);
if (!path.Portals[0].ConnectedPaths.Contains(path))
{
path.Portals[0].ConnectedPaths.Add(path);
}
if (!path.Portals[1].ConnectedPaths.Contains(path))
{
path.Portals[1].ConnectedPaths.Add(path);
}
}
void CheckRemovePath(DungeonPath path, List<DungeonPath> removeList)
{
if (removeList.Contains(path))
return;
removeList.Add(path);
foreach (var connectedPath in path.Portals[0].ConnectedPaths)
{
CheckRemovePath(connectedPath, removeList);
}
foreach (var connectedPath in path.Portals[1].ConnectedPaths)
{
CheckRemovePath(connectedPath, removeList);
}
}
/// <summary>
/// 2つのポータルの間をつなぐ通路を生成
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="isHorizontal"></param>
/// <returns></returns>
DungeonPath GeneratePath(DungeonPortal start, DungeonPortal end, bool isHorizontal)
{
var result = new DungeonPath() { Rand = this.Rand };
start.ConnectedPaths.Add(result);
result.Portals[0] = start;
end.ConnectedPaths.Add(result);
result.Portals[1] = end;
result.IsHorizontal = isHorizontal;
if (!result.GenerateSteps())
{
start.ConnectedPaths.Remove(result);
end.ConnectedPaths.Remove(result);
result = null;
}
return result;
}
void RemovePath(DungeonPath path)
{
var removeList = new List<DungeonPath>();
// つながっている先を再帰的に消したいので、まずチェックをつける
CheckRemovePath(path, removeList);
// 一気に消す
foreach (var p in removeList)
{
removedPaths.Add(p);
Paths.Remove(p);
p.Portals[0].ConnectedPaths.Remove(p);
p.Portals[1].ConnectedPaths.Remove(p);
}
}
/// <summary>
/// ポータルのどちら側に通路がつながっているか
/// </summary>
/// <param name="path"></param>
/// <returns>0:左 1:右 2:上 3:下</returns>
int GetConnectedPathSide(DungeonPath path)
{
if (path.IsHorizontal)
{
if (path.Portals[0] == this)
{
if (path.Portals[0].Position.X < path.Portals[1].Position.X)
{
return 1;
}
else
{
return 0;
}
}
else if (path.Portals[1] == this)
{
if (path.Portals[0].Position.X < path.Portals[1].Position.X)
{
return 0;
}
else
{
return 1;
}
}
}
else
{
if (path.Portals[0] == this)
{
if (path.Portals[0].Position.Y < path.Portals[1].Position.Y)
{
return 3;
}
else
{
return 2;
}
}
else if (path.Portals[1] == this)
{
if (path.Portals[0].Position.Y < path.Portals[1].Position.Y)
{
return 2;
}
else
{
return 3;
}
}
}
return -1;
}