/// <summary>
/// Run the reveal algorithm without invoking the invalidation mechanism.
/// </summary>
/// <param name="Data"></param>
/// <param name="voxel"></param>
public static void InitialReveal(
ChunkManager Manager,
ChunkData Data,
VoxelHandle voxel)
{
// Fog of war must be on for the initial reveal to avoid artifacts.
bool fogOfWar = GameSettings.Default.FogofWar;
GameSettings.Default.FogofWar = true;
var queue = new Queue <VoxelHandle>(128);
queue.Enqueue(voxel);
while (queue.Count > 0)
{
var v = queue.Dequeue();
if (!v.IsValid)
{
continue;
}
foreach (var neighborCoordinate in VoxelHelpers.EnumerateManhattanNeighbors(v.Coordinate))
{
var neighbor = new VoxelHandle(Data, neighborCoordinate);
if (!neighbor.IsValid)
{
continue;
}
if (neighbor.IsExplored)
{
continue;
}
// We are skipping the invalidation mechanism but still need to trigger events.
Manager.NotifyChangedVoxel(new VoxelChangeEvent
{
Type = VoxelChangeEventType.Explored,
Voxel = neighbor
});
neighbor.RawSetIsExplored();
if (neighbor.IsEmpty)
{
queue.Enqueue(neighbor);
}
}
v.RawSetIsExplored();
}
GameSettings.Default.FogofWar = fogOfWar;
}