/// <summary>
/// Populate the NavTile data with tiles.
/// </summary>
public void GenerateNavTileData()
{
Data.ClearTiles();
Data.InitTilesDictionary();
for (int i = 0; i < NavTileMaps.Count; i++)
{
Tilemap aTilemap = NavTileMaps[i];
#if UNITY_EDITOR
EditorUtility.DisplayProgressBar("Baking NavTiles", $"Baking {aTilemap.name}", (float)i / (NavTileMaps.Count - 1));
#endif
// Compress bounds to speed up baking. If extended bounds are needed, remove this call.
aTilemap.CompressBounds();
BoundsInt bounds = aTilemap.cellBounds;
// Fetch all tiles for current tilemap.
TileBase[] tileBases = aTilemap.GetTilesBlock(bounds);
int sliceSize = bounds.size.x * bounds.size.z;
for (int j = 0; j < tileBases.Length; j++)
{
TileBase aTile = tileBases[j];
// Get the area index for this tile.
// -1 will be returned if this tile is not integrated with NavTile in any way.
int tileAreaIndex = NavLinkManager.GetNavTileAreaIndexForTile(aTile);
// Skip non-integrated tiles.
if (tileAreaIndex == -1)
{
continue;
}
// Calculate 3D coordinate based on 1D array position.
int y = j / sliceSize;
int leftOver = j - (y * sliceSize);
int z = leftOver % bounds.size.z;
int x = leftOver / bounds.size.z;
Vector3Int localCoordinate = new Vector3Int(bounds.x + x, bounds.y + y, bounds.z + z);
Vector2Int navCoordinate = localCoordinate.GetVector2Int();
Data.TryAddTile(navCoordinate, tileAreaIndex);
}
}
#if UNITY_EDITOR
EditorUtility.ClearProgressBar();
#endif
if (Data.HasNoTiles)
{
Debug.LogWarning("No nav tiles were found on the tilemaps. Please convert tiles to nav tiles in order to enable pathfinding.");
}
}
