void BuildChunk(ChunkInfo info, ref int chunkUpdates)
{
game.ChunkUpdates++;
builder.GetDrawInfo(info.CentreX - 8, info.CentreY - 8, info.CentreZ - 8,
ref info.NormalParts, ref info.TranslucentParts, ref info.OcclusionFlags);
if (info.NormalParts == null && info.TranslucentParts == null)
{
info.Empty = true;
}
chunkUpdates++;
}
void UpdateChunks(double deltaTime)
{
int chunksUpdatedThisFrame = 0;
int viewDist = game.ViewDistance < 16 ? 16 : game.ViewDistance;
int adjViewDistSqr = (viewDist + 24) * (viewDist + 24);
chunksTarget += deltaTime < targetTime ? 1 : -1; // build more chunks if 30 FPS or over, otherwise slowdown.
Utils.Clamp(ref chunksTarget, 4, 12);
for (int i = 0; i < chunks.Length; i++)
{
ChunkInfo info = chunks[i];
if (info.Empty)
{
continue;
}
int distSqr = distances[i];
bool inRange = distSqr <= adjViewDistSqr;
if (info.NormalParts == null && info.TranslucentParts == null)
{
if (inRange && chunksUpdatedThisFrame < chunksTarget)
{
game.ChunkUpdates++;
builder.GetDrawInfo(info.CentreX - 8, info.CentreY - 8, info.CentreZ - 8,
ref info.NormalParts, ref info.TranslucentParts, ref info.OcclusionFlags);
if (info.NormalParts == null && info.TranslucentParts == null)
{
info.Empty = true;
}
chunksUpdatedThisFrame++;
}
}
info.Visible = inRange &&
game.Culling.SphereInFrustum(info.CentreX, info.CentreY, info.CentreZ, 14); // 14 ~ sqrt(3 * 8^2)
}
LocalPlayer p = game.LocalPlayer;
Vector3 cameraPos = game.CurrentCameraPos;
if (chunksUpdatedThisFrame == 0 && cameraPos == lastCamPos &&
p.YawDegrees == lastYaw && p.PitchDegrees == lastPitch)
{
return;
}
lastCamPos = cameraPos;
lastYaw = p.YawDegrees; lastPitch = p.PitchDegrees;
RecalcBooleans(false);
}