/// <summary>
/// Computes positions for this Tile and caches
/// them.
/// </summary>
public void ComputePositions()
{
Positions = new PositionsContainer[Pool.Placer.ObjectsToPlace.Count];
for (int i = 0; i < Positions.Length; i++)
{
ObjectPlacementData objectPlacementData = Pool.Placer.ObjectsToPlace[i];
Vector3[] locations = Pool.Placer.GetFilteredGrid(Tile, objectPlacementData, 1).ToArray();
Positions[i] = new PositionsContainer(locations, objectPlacementData);
}
}
/// <summary>
/// First creates a poisson grid based on the passed density.
/// Positions are then filtered based on the passed object placement
/// type taking into account height and angle constraints.
/// </summary>
/// <param name="m">Mesh to sample height and angle values from</param>
/// <param name="objectPlacementData">object placement type to sample</param>
/// <param name="density">How dense should the samples be</param>
/// <returns>List of vectors within the grid and sample constraints</returns>
public List <Vector3> GetFilteredGrid(Tile tile, ObjectPlacementData objectPlacementData, float density)
{
MeshFilter mf = tile.GetComponent <MeshFilter>();
if (mf == null)
{
throw new ArgumentException("The passed Tile does not have an attached MeshFilter. Has a mesh been created?");
}
return(GetFilteredGrid(mf.sharedMesh, objectPlacementData));
}
/// <summary>
/// Gets the container that holds the passed
/// ObjectPlacementType
/// </summary>
/// <param name="objectPlacementData">type to search for</param>
/// <returns>ObjectContainer, null if no matches were found</returns>
ObjectContainer GetContainerForType(ObjectPlacementData objectPlacementData)
{
foreach (ObjectContainer c in Pool.Containers)
{
if (c.ObjectPlacementData.Equals(objectPlacementData))
{
return(c);
}
}
return(null);
}
/// <summary>
/// First creates a poisson grid based on the passed density.
/// Positions are then filtered based on the passed object placement
/// type taking into account height and angle constraints.
///
/// Unlike the <c>GetFilteredGrid(ObjectPlacementType, float)</c> method
/// this method samples from the passed Mesh rather than pulling
/// mesh information from TerraSettings.
/// </summary>
/// <param name="m">Mesh to sample height and angle values from</param>
/// <param name="objectPlacementData">object placement type to sample</param>
/// <returns>List of vectors within the grid and sample constraints</returns>
public List <Vector3> GetFilteredGrid(Mesh m, ObjectPlacementData objectPlacementData)
{
MeshSampler sampler = /**new MeshSampler(m, Settings.Generator.MeshResolution);*/ new MeshSampler(m, 128); //TODO Resolution from TerraSettings
List <Vector2> grid = GetPoissonGrid(objectPlacementData.Spread / 10);
List <Vector3> toAdd = new List <Vector3>();
foreach (Vector2 pos in grid)
{
MeshSampler.MeshSample sample = sampler.SampleAt(pos.x, pos.y);
if (objectPlacementData.ShouldPlaceAt(sample.Height, sample.Angle))
{
Vector3 newPos = new Vector3(pos.x, sample.Height, pos.y);
toAdd.Add(newPos);
}
}
return(toAdd);
}
public PositionsContainer(Vector3[] positions, ObjectPlacementData objectPlacementData)
{
Positions = positions;
ObjectPlacementData = objectPlacementData;
}
public ObjectContainer(ObjectPlacementData objectPlacementData)
{
ObjectPlacementData = objectPlacementData;
}
