/// <summary>
/// Gets the grid square preview color based on which LOD
/// level it falls within.
/// </summary>
/// <returns></returns>
private Color GetLodPreviewColor(GridPosition position)
{
if (Generator == null || Generator.Lod == null)
{
return(Color.white);
}
Vector3 worldXYZ = Generator.TrackedObject == null ? Vector3.zero : Generator.TrackedObject.transform.position;
LodData lod = Generator.Lod;
LodData.Lod lvlType = lod.GetLevelForPosition(position, worldXYZ);
return(lvlType.PreviewColor);
}
/// <summary>
/// Creates a heightmap of resolution <see cref="HeightmapResolution"/> asynchronously.
/// If a <see cref="Heightmap"/> of the same resolution or higher has already been
/// created, this method does nothing.
/// A heightmap is 2D array of floats that represents the Y values (or heights)
/// of to-be created vertices in 3D space.
/// </summary>
/// <param name="remapMin">Optionally linear transform the heightmap from [min, max] to [0, 1]</param>
/// <param name="remapMax">Optionally linear transform the heightmap from [min, max] to [0, 1]</param>
/// <param name="onComplete">Called when the heightmap has been created</param>
public void CalculateHeightmapAsync(float remapMin = 0f, float remapMax = 1f, Action onComplete = null)
{
_lastGeneratedLodLevel = _tile.GetLodLevel();
Lod = _lastGeneratedLodLevel;
bool shouldProfile = TerraConfig.Instance.EditorState.ShowDebugMessages;
Stopwatch wsw = null;
if (shouldProfile)
{
wsw = new Stopwatch();
wsw.Start();
}
TerraConfig.Instance.Worker.Enqueue(() => {
Stopwatch sw = null;
if (shouldProfile)
{
sw = new Stopwatch();
Profiler.BeginThreadProfiling("Heightmap Workers", "Tile " + _tile.GridPosition);
sw.Start();
}
CalculateHeightmap(null, remapMin, remapMax);
if (shouldProfile)
{
sw.Stop();
TerraConfig.Log("Tile " + _tile.GridPosition + " heightmap time: " + sw.ElapsedMilliseconds);
Profiler.EndThreadProfiling();
}
}, () => {
if (shouldProfile)
{
wsw.Stop();
MTDispatch.Instance().Enqueue(() => { TerraConfig.Log("CalculateHM worker time elapsed " + wsw.ElapsedMilliseconds); onComplete(); });
}
});
}
/// <summary>
/// Constructs a new TileMesh instance
/// </summary>
/// <param name="tile">Tile to attach mesh to</param>
/// <param name="lod">LOD level to reference when creating heightmap and Terrain</param>
public TileMesh(Tile tile, LodData.Lod lod)
{
_tile = tile;
Lod = lod;
}
