private List <TransportNetworkTile> GetNeighbors(TransportNetworkTile tile)
{
List <TransportNetworkTile> neighbors = new List <TransportNetworkTile>();
TransportNetworkTile neighborTop = GetNeighborTop(tile);
TransportNetworkTile neighborBottom = GetNeighborBottom(tile);
TransportNetworkTile neighborLeft = GetNeighborLeft(tile);
TransportNetworkTile neighborRight = GetNeighborRight(tile);
if (neighborTop != null)
{
neighbors.Add(neighborTop);
}
if (neighborBottom != null)
{
neighbors.Add(neighborBottom);
}
if (neighborLeft != null)
{
neighbors.Add(neighborLeft);
}
if (neighborRight != null)
{
neighbors.Add(neighborRight);
}
return(neighbors);
}
private TransportNetworkTile GetNeighborBottom(TransportNetworkTile tile)
{
if (TileIsAtBottomEdge(tile))
{
return(null);
}
return(tiles[tile.position.x, tile.position.y - 1]);
}
private TransportNetworkTile GetNeighborTop(TransportNetworkTile tile)
{
if (TileIsAtTopEdge(tile))
{
return(null);
}
return(tiles[tile.position.x, tile.position.y + 1]);
}
private TransportNetworkTile GetNeighborRight(TransportNetworkTile tile)
{
if (TileIsAtRightEdge(tile))
{
return(null);
}
return(tiles[tile.position.x + 1, tile.position.y]);
}
public void ClearTileAt(Vector2Int position)
{
TransportNetworkTile tile = tiles[position.x, position.y];
if (tile.type == TransportNetworkTile.Type.Empty)
{
Debug.LogError($"ERROR CLEARING TILE: There is nothing to clear at X: {position.x}, Y: {position.y}. ");
}
tile.type = TransportNetworkTile.Type.Empty;
}
public void AddRoadAt(Vector2Int position)
{
TransportNetworkTile tile = tiles[position.x, position.y];
if (tile.type == TransportNetworkTile.Type.Road)
{
Debug.LogError($"ERROR ADDING ROAD TILE: There already is a road at X: {position.x}, Y: {position.y}. ");
}
tile.type = TransportNetworkTile.Type.Road;
}
private bool TileIsAtRightEdge(TransportNetworkTile tile)
{
int positionX = tile.position.x;
if (positionX > tileMapWidth - 1)
{
Debug.LogError($"ERROR TRANSPORT NETWORK: Tile {tile} is at position.x = {positionX}, " +
$"but the tile map only has a width of {tileMapWidth}. ");
}
return(positionX >= tileMapWidth - 1);
}
private bool TileIsAtLeftEdge(TransportNetworkTile tile)
{
int positionX = tile.position.x;
if (positionX < 0)
{
Debug.LogError($"ERROR TRANSPORT NETWORK: Tile {tile} is at position.x = {positionX}, " +
$"that is outside of the tile map. ");
}
return(positionX <= 0);
}
private void Awake()
{
tiles = new TransportNetworkTile[tileMapWidth, tileMapHeight];
for (int i = 0; i < tileMapWidth; i++)
{
for (int j = 0; j < tileMapHeight; j++)
{
tiles[i, j] = new TransportNetworkTile(i, j);
}
}
}
private bool TileIsAtBottomEdge(TransportNetworkTile tile)
{
int positionY = tile.position.y;
if (positionY < 0)
{
Debug.LogError($"ERROR TRANSPORT NETWORK: Tile {tile} is at position.y = {positionY}, " +
$"that is outside of the tile map. ");
}
return(positionY <= 0);
}
private bool TileIsAtTopEdge(TransportNetworkTile tile)
{
int positionY = tile.position.y;
if (positionY > tileMapHeight - 1)
{
Debug.LogError($"ERROR TRANSPORT NETWORK: Tile {tile} is at position.y = {positionY}, " +
$"but the tile map only has a height of {tileMapHeight}. ");
}
return(positionY >= tileMapHeight - 1);
}