private 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 y = minChunk.Y; y <= maxChunk.Y; ++y)
{
for (var z = minChunk.Z; z <= maxChunk.Z; ++z)
{
var chunkCoord = new GlobalChunkCoordinate(x, y, 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));
}
}
}
}
}
public void EnumerateIntersectingObjects(BoundingBox Box, HashSet <GameComponent> Into, Func <GameComponent, bool> Filter = null)
{
var minChunkID = GlobalVoxelCoordinate.FromVector3(Box.Min).GetGlobalChunkCoordinate();
var maxChunkID = GlobalVoxelCoordinate.FromVector3(Box.Max).GetGlobalChunkCoordinate();
for (var x = minChunkID.X; x <= maxChunkID.X; ++x)
{
for (var y = minChunkID.Y; y <= maxChunkID.Y; ++y)
{
for (var z = minChunkID.Z; z <= maxChunkID.Z; ++z)
{
var coord = new GlobalChunkCoordinate(x, y, z);
if (ChunkManager.CheckBounds(coord))
{
var chunk = ChunkManager.GetChunk(coord);
lock (chunk)
{
foreach (var entity in chunk.Entities)
{
if (Box.Contains(entity.BoundingBox) != ContainmentType.Disjoint)
{
if (Filter == null || Filter(entity))
{
Into.Add(entity);
}
}
}
}
}
}
}
}
}
public void EnumerateIntersectingObjectsLoose(BoundingBox Box, HashSet <GameComponent> Into, Func <GameComponent, bool> Filter = null)
{
PerformanceMonitor.PushFrame("CollisionManager.EnumerateIntersectingObjects w/ Filter");
var minChunkID = GlobalVoxelCoordinate.FromVector3(Box.Min).GetGlobalChunkCoordinate();
var maxChunkID = GlobalVoxelCoordinate.FromVector3(Box.Max).GetGlobalChunkCoordinate();
for (var x = minChunkID.X; x <= maxChunkID.X; ++x)
{
for (var y = minChunkID.Y; y <= maxChunkID.Y; ++y)
{
for (var z = minChunkID.Z; z <= maxChunkID.Z; ++z)
{
var coord = new GlobalChunkCoordinate(x, y, z);
if (ChunkManager.CheckBounds(coord))
{
var chunk = ChunkManager.GetChunk(coord);
lock (chunk)
{
foreach (var entity in chunk.Components)
{
if (Filter == null || Filter(entity))
{
Into.Add(entity);
}
}
}
}
}
}
}
PerformanceMonitor.PopFrame();
}
public void EnumerateIntersectingRootEntitiesLoose(BoundingBox Box, HashSet <GameComponent> Into)
{
var minChunkID = GlobalVoxelCoordinate.FromVector3(Box.Min).GetGlobalChunkCoordinate();
var maxChunkID = GlobalVoxelCoordinate.FromVector3(Box.Max).GetGlobalChunkCoordinate();
for (var x = minChunkID.X; x <= maxChunkID.X; ++x)
{
for (var y = minChunkID.Y; y <= maxChunkID.Y; ++y)
{
for (var z = minChunkID.Z; z <= maxChunkID.Z; ++z)
{
var coord = new GlobalChunkCoordinate(x, y, z);
if (ChunkManager.CheckBounds(coord))
{
var chunk = ChunkManager.GetChunk(coord);
lock (chunk)
{
foreach (var entity in chunk.RootEntities)
{
Into.Add(entity);
}
}
}
}
}
}
}
private static void InvalidateNeighborSlice(ChunkManager Chunks, GlobalChunkCoordinate ChunkCoordinate,
Point3 NeighborOffset, int LocalY)
{
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(LocalY);
}
}
public void AddGameObject(GameComponent GameObject, BoundingBox LastBounds)
{
var minChunkID = GlobalVoxelCoordinate.FromVector3(LastBounds.Min).GetGlobalChunkCoordinate();
var maxChunkID = GlobalVoxelCoordinate.FromVector3(LastBounds.Max).GetGlobalChunkCoordinate();
for (var x = minChunkID.X; x <= maxChunkID.X; ++x)
{
for (var y = minChunkID.Y; y <= maxChunkID.Y; ++y)
{
for (var z = minChunkID.Z; z <= maxChunkID.Z; ++z)
{
var coord = new GlobalChunkCoordinate(x, y, z);
if (ChunkManager.CheckBounds(coord))
{
var chunk = ChunkManager.GetChunk(coord);
lock (chunk)
chunk.Entities.Add(GameObject);
}
}
}
}
}
public void RemoveGameObject(GameComponent GameObject, BoundingBox LastBounds)
{
var minChunkID = GlobalVoxelCoordinate.FromVector3(LastBounds.Min).GetGlobalChunkCoordinate(); // Todo: Clamp to actual world size.
var maxChunkID = GlobalVoxelCoordinate.FromVector3(LastBounds.Max).GetGlobalChunkCoordinate();
for (var x = minChunkID.X; x <= maxChunkID.X; ++x)
{
for (var y = minChunkID.Y; y <= maxChunkID.Y; ++y)
{
for (var z = minChunkID.Z; z <= maxChunkID.Z; ++z)
{
var coord = new GlobalChunkCoordinate(x, y, z);
if (ChunkManager.CheckBounds(coord))
{
var chunk = ChunkManager.GetChunk(coord);
lock (chunk)
chunk.Components.Remove(GameObject);
}
}
}
}
}
public IEnumerable <VoxelChunk> EnumerateChunksInBounds(BoundingBox Box)
{
return(EnumerateChunkIDsInBounds(Box)
.Where(id => ChunkManager.CheckBounds(id))
.Select(id => ChunkManager.GetChunk(id)));
}