private void UpdateVisibleChunks(Simulation.Simulation simulation)
{
//Clear visible chunks so we dont have to figure out which chunks are no longer being seen
VisibleChunks.Clear();
Chunk rootChunk = simulation.World.ChunkIndex[ChunkKey];
//find the chunks that the player is currently simulating
for (int y = rootChunk.ChunkY - simulation.SimulationDistance;
y < rootChunk.ChunkY + simulation.SimulationDistance;
y++)
{
for (int x = rootChunk.ChunkX - simulation.SimulationDistance;
x < rootChunk.ChunkX + simulation.SimulationDistance;
x++)
{
//Get a chunk if it exist at the location
Chunk visibleChunk;
if ((visibleChunk = simulation.World.ChunkFromChunkLocation(x, y)) == null)
{
continue;
}
//Add chunk to visible chunks
VisibleChunks.Add(visibleChunk.ChunkKey);
//update chunk history if new with a negative number so a full chunk update will be forced
if (!ChunkVersions.ContainsKey(visibleChunk.ChunkKey))
{
ChunkVersions[visibleChunk.ChunkKey] = -1;
}
}
}
}
public static void Render()
{
VisibleChunks.Clear();
foreach (var file in mActiveFiles)
{
file.RenderADT(SlimDX.Matrix.Identity);
}
}