public void SetCellTerrainAt(Vector2Int position, Cell.TERRAIN_TYPE newType)
{
if (position.x < 0 || position.x >= _mapSize.x || position.y < 0 || position.y >= _mapSize.y)
{
Debug.LogError("IndexOutOfBounds. " + position);
}
_cells[position.x, position.y].SetTerrainType(newType);
}
private int NextDijkstraTerrainIteration(ref List <List <Cell> > availableCellsList, int listIndex, Cell.TERRAIN_TYPE desiredTerrain, Vector2Int startCell)
{
List <Cell> availableCells = availableCellsList[listIndex];
if (availableCells.Count == 0)
{
return(0);
}
//Choosing initial cell
Cell initialCell = null;
float minDistance = 100000;
int indexToClosest = -1;
for (int i = availableCells.Count - 1; i >= 0; i--)
{
Cell c = availableCells[i];
Vector2Int dist = c.GetPosition() - startCell;
float d = dist.magnitude;
if (d < minDistance && c.GetTerrainType() == Cell.TERRAIN_TYPE.empty)
{
minDistance = d;
indexToClosest = i;
}
}
if (indexToClosest == -1)
{
return(0);
}
initialCell = availableCells[indexToClosest];
for (int i = availableCells.Count - 1; i >= 0; i--)
{
Cell c = availableCells[i];
if (c.GetTerrainType() != Cell.TERRAIN_TYPE.empty || c == initialCell)
{
availableCells.RemoveAt(i);
continue;
}
}
//////
//Adding surrounding cells to available list
for (int x = initialCell.GetPosition().x - 1; x <= initialCell.GetPosition().x + 1; x++)
{
for (int y = initialCell.GetPosition().y - 1; y <= initialCell.GetPosition().y + 1; y++)
{
Vector2Int checkPosition = new Vector2Int(x, y);
if (checkPosition == initialCell.GetPosition() ||
!_map.IsPositionViable(checkPosition) ||
availableCells.Contains(_map.GetCellAt(checkPosition)) ||
_map.GetCellAt(checkPosition).GetTerrainType() != Cell.TERRAIN_TYPE.empty)
{
continue;
}
availableCells.Insert(0, _map.GetCellAt(checkPosition));
}
}
//////
initialCell.SetTerrainType(desiredTerrain);
if (desiredTerrain == Cell.TERRAIN_TYPE.earth)
{
initialCell.GetGameObject().GetComponent <SpriteRenderer>().color = earthCellPrefab.GetComponent <SpriteRenderer>().color;
}
else if (desiredTerrain == Cell.TERRAIN_TYPE.sand)
{
initialCell.GetGameObject().GetComponent <SpriteRenderer>().color = sandCellPrefab.GetComponent <SpriteRenderer>().color;
}
else
{
initialCell.GetGameObject().GetComponent <SpriteRenderer>().color = waterCellPrefab.GetComponent <SpriteRenderer>().color;
}
return(1);
}
