private static void InvalidateNeighborSlice(ChunkData Chunks, GlobalChunkCoordinate ChunkCoordinate,
Point3 NeighborOffset, int Y)
{
var neighborCoordinate = new GlobalChunkCoordinate(
ChunkCoordinate.X + NeighborOffset.X,
ChunkCoordinate.Y + NeighborOffset.Y,
ChunkCoordinate.Z + NeighborOffset.Z);
if (Chunks.CheckBounds(neighborCoordinate))
{
var chunk = Chunks.GetChunk(neighborCoordinate);
chunk.InvalidateSlice(Y);
}
}
public void GetChunksIntersecting(BoundingBox box, HashSet <VoxelChunk> chunks)
{
chunks.Clear();
var minChunk = GlobalVoxelCoordinate.FromVector3(box.Min).GetGlobalChunkCoordinate();
var maxChunk = GlobalVoxelCoordinate.FromVector3(box.Max).GetGlobalChunkCoordinate();
for (var x = minChunk.X; x <= maxChunk.X; ++x)
{
for (var y = minChunk.Y; y <= maxChunk.Y; ++y)
{
for (var z = minChunk.Z; z <= maxChunk.Z; ++z)
{
var coord = new GlobalChunkCoordinate(x, y, z);
if (ChunkData.CheckBounds(coord))
{
chunks.Add(ChunkData.GetChunk(coord));
}
}
}
}
}
public void GetChunksIntersecting(BoundingFrustum Frustum, HashSet <VoxelChunk> chunks)
{
chunks.Clear();
var frustumBox = MathFunctions.GetBoundingBox(Frustum.GetCorners());
var minChunk = ChunkData.ConfineToBounds(GlobalVoxelCoordinate.FromVector3(frustumBox.Min).GetGlobalChunkCoordinate());
var maxChunk = ChunkData.ConfineToBounds(GlobalVoxelCoordinate.FromVector3(frustumBox.Max).GetGlobalChunkCoordinate());
for (var x = minChunk.X; x <= maxChunk.X; ++x)
{
for (var z = minChunk.Z; z <= maxChunk.Z; ++z)
{
var chunkCoord = new GlobalChunkCoordinate(x, 0, z);
var min = new GlobalVoxelCoordinate(chunkCoord, new LocalVoxelCoordinate(0, 0, 0));
var box = new BoundingBox(min.ToVector3(), min.ToVector3() + new Vector3(VoxelConstants.ChunkSizeX, VoxelConstants.ChunkSizeY, VoxelConstants.ChunkSizeZ));
if (Frustum.Contains(box) != ContainmentType.Disjoint)
{
chunks.Add(ChunkData.GetChunk(chunkCoord));
}
}
}
}
