public static List <IMySlimBlock> GetBlocksContactingVoxel(IMyCubeGrid grid, MyPlanet planet, out byte voxelType)
{
Vector3D[] corners = grid.WorldAABB.GetCorners();
if (corners.All(c => Vector3D.DistanceSquared(c, planet.GetClosestSurfacePointGlobal(c)) > 2500))
{
voxelType = 0;
return(new List <IMySlimBlock>());
}
Vector3D planetPos = planet.PositionComp.GetPosition();
var result = new MyConcurrentHashSet <IMySlimBlock>();
var blocks = new List <IMySlimBlock>();
grid.GetBlocks(blocks);
byte id = 0;
MyAPIGateway.Parallel.ForEach(blocks, block =>
{
try
{
var b = block.GetPosition();
Vector3D closestSurfacePoint = planet.GetClosestSurfacePointGlobal(ref b);
if (Vector3D.DistanceSquared(planetPos, closestSurfacePoint) > Vector3D.DistanceSquared(planetPos, b))
{
var hits = new List <IHitInfo>();
MyAPIGateway.Physics.CastRay(b, closestSurfacePoint, hits);
foreach (IHitInfo hit in hits)
{
if (hit.HitEntity is IMyVoxelBase)
{
closestSurfacePoint = hit.Position;
}
}
}
double cd = Vector3D.DistanceSquared(b, closestSurfacePoint);
if (cd > 200)
{
return;
}
if (cd > 6.25)
{
BoundingBoxD box;
block.GetWorldBoundingBox(out box, true);
Vector3D[] bc = box.GetCorners();
if (bc.All(c => Vector3D.DistanceSquared(c, planet.GetClosestSurfacePointGlobal(c)) > 6.25))
{
return;
}
}
MyVoxelMaterialDefinition mat = planet.GetMaterialAt_R(ref closestSurfacePoint);
if (Config.VOXEL_IDS.ContainsKey(mat.Index))
{
result.Add(block);
}
id = mat.Index;
}
catch
{
//meh!
}
});
voxelType = id;
return(result.ToList());
/*
* var chunks = new HashSet<Vector3I[]>();
*
* int chunkSize = grid.GridSizeEnum == MyCubeSize.Large ? 3 : 5;
* for (int x = grid.Min.X; x < grid.Max.X + chunkSize; x += chunkSize)
* {
* for (int y = grid.Min.Y; y < grid.Max.Y + chunkSize; y += chunkSize)
* {
* for (int z = grid.Min.Z; z < grid.Max.Z + chunkSize; z += chunkSize)
* {
* chunks.Add(new[]
* {
* new Vector3I(x, y, z),
* new Vector3I(x + chunkSize, y, z),
* new Vector3I(x, y + chunkSize, z),
* new Vector3I(x, y, z + chunkSize),
* new Vector3I(x + chunkSize, y + chunkSize, z),
* new Vector3I(x + chunkSize, y, z + chunkSize),
* new Vector3I(x, y + chunkSize, z + chunkSize),
* new Vector3I(x + chunkSize, y + chunkSize, z + chunkSize),
* });
* }
* }
* }
*
* MyAPIGateway.Parallel.ForEach(chunks, chunk =>
* {
* var success = false;
* foreach (Vector3I pos in chunk)
* {
* Vector3D d = grid.GridIntegerToWorld(pos);
* Vector3D s = planet.GetClosestSurfacePointGlobal(ref d);
* if (Vector3D.DistanceSquared(d, s) > 6.25)
* continue;
*
* if (!Config.VOXEL_IDS.ContainsKey(planet.GetMaterialAt_R(ref s).Index))
* continue;
* success = true;
* break;
* }
*
* if (!success)
* return;
*
* foreach (Vector3I pos in chunk)
* {
* IMySlimBlock block = grid.GetCubeBlock(pos);
* if (block != null)
* result.Add(block);
* }
* });
*
* return result.ToList();
*/
}
