public void Update(float dt)
{
Terrain terrain = m_subsystemTerrain.Terrain;
m_pollCount += (float)(terrain.AllocatedChunks.Length * 16 * 16) * dt / 60f;
m_pollCount = MathUtils.Clamp(m_pollCount, 0f, 200f);
TerrainChunk nextChunk = terrain.GetNextChunk(m_pollChunkCoordinates.X, m_pollChunkCoordinates.Y);
if (nextChunk == null)
{
return;
}
while (m_pollCount >= 1f)
{
if (nextChunk.State <= TerrainChunkState.InvalidContents4)
{
m_pollCount -= 65536f;
}
else
{
while (m_pollX < 16)
{
while (m_pollZ < 16)
{
if (m_pollCount < 1f)
{
return;
}
m_pollCount -= 1f;
int topHeightFast = nextChunk.GetTopHeightFast(m_pollX, m_pollZ);
int num = TerrainChunk.CalculateCellIndex(m_pollX, 0, m_pollZ);
int num2 = 0;
while (num2 <= topHeightFast)
{
int cellValueFast = nextChunk.GetCellValueFast(num);
int num3 = Terrain.ExtractContents(cellValueFast);
if (num3 != 0)
{
SubsystemPollableBlockBehavior[] array = m_pollableBehaviorsByContents[num3];
for (int i = 0; i < array.Length; i++)
{
array[i].OnPoll(cellValueFast, nextChunk.Origin.X + m_pollX, num2, nextChunk.Origin.Y + m_pollZ, m_pollPass);
}
}
num2++;
num++;
}
m_pollZ++;
}
m_pollZ = 0;
m_pollX++;
}
m_pollX = 0;
}
this.ScanningChunkCompleted?.Invoke(nextChunk);
nextChunk = terrain.GetNextChunk(nextChunk.Coords.X + 1, nextChunk.Coords.Y);
if (nextChunk == null)
{
break;
}
if (Terrain.ComparePoints(nextChunk.Coords, m_pollChunkCoordinates) < 0)
{
m_pollPass++;
}
m_pollChunkCoordinates = nextChunk.Coords;
}
}