bool CheckPrecondition(eFindMode mode, TileCell nextTileCell, TileCell targetTileCell)
{
//if ((null != nextTileCell) && (true == nextTileCell.IsPathfindable() && false == nextTileCell.IsVisit() ||
// (nextTileCell.GetTileX() == _targetTileCell.GetTileX() && nextTileCell.GetTileY() == _targetTileCell.GetTileY())))
// return true;
bool condition = false;
if (false == nextTileCell.IsVisit())
{
condition = true;
}
if (eFindMode.VIEW_MOVERANGE == mode || eFindMode.FIND_PATH == mode)
{
if (condition)
{
condition = nextTileCell.CanMove();
}
}
if (eMapType.DUNGEON == GameManager.Instance.GetMapType())
{
return(condition);
}
else if (eMapType.TOWN == GameManager.Instance.GetMapType())
{
//해당 타일이 목표 타일
if (nextTileCell.GetTileX() == targetTileCell.GetTileX() && nextTileCell.GetTileY() == targetTileCell.GetTileY())
{
condition = true;
}
}
return(condition);
}
void FindPath()
{
TileSystem tileSystem = TileSystem.Instance;
while (0 != _pathfindingQueue.Count)
{
//제일 앞 타일을 하나 꺼낸다.
sPathCommand command = _pathfindingQueue[0];
_pathfindingQueue.RemoveAt(0);
//방문한 타일인가?
if (false == command.tileCell.IsVisit())
{
command.tileCell.Visit();
if (_targetTileCell.GetTilePosition().Equals(command.tileCell.GetTilePosition()))
{
_reverseTileCell = _targetTileCell;
return;
}
for (int direction = 0; direction < (int)eDirection.MAX; direction++)
{
sTilePosition nextTilePos = new sTilePosition(command.tileCell.GetTileX(), command.tileCell.GetTileY());
TileHelper.GetNextTilePosByDirection((eDirection)direction, ref nextTilePos);
TileCell nextTileCell = tileSystem.GetTileCell(nextTilePos);
if (((true == tileSystem.CanMoveTileCell(nextTilePos.tileX, nextTilePos.tileY)) && false == nextTileCell.IsVisit()) ||
(nextTilePos.tileX == _targetTileCell.GetTileX() && nextTilePos.tileY == _targetTileCell.GetTileY()))
{
float newDistanceFromStart = command.tileCell.GetDistanceFromStart() + command.tileCell.GetDistanceWeight();
float newHeuristic = CalcAstarHeuristic(newDistanceFromStart, nextTileCell, _targetTileCell);
if (null == nextTileCell.GetPrevCell())
{
nextTileCell.SetDistanceFromStart(newDistanceFromStart);
nextTileCell.SetPrevCell(command.tileCell); //이전 타일 기억
sPathCommand newCommand = new sPathCommand();
newCommand.heuristic = newHeuristic;
newCommand.tileCell = nextTileCell;
PushCommand(newCommand);
}
}
}
}
}
}
