private void AdjustClusterSize()
{
var newClusterDimensions = _clusterDimensions * 2;
var offset = _clusterDimensions / 2;
var newClusters = new GpuInstancingNodeCluster <T> [newClusterDimensions, newClusterDimensions];
for (int i = 0; i < _clusterDimensions; ++i)
{
for (int j = 0; j < _clusterDimensions; ++j)
{
newClusters[i + offset, j + offset] = _nodeClusters[i, j];
}
}
_clusterDimensions = newClusterDimensions;
_nodeClusters = newClusters;
}
public void AddCluster(GpuInstancingNodeCluster <T> cluster)
{
while (true)
{
var halfSize = _clusterDimensions / 2;
var xIndex = Mathf.RoundToInt(cluster.MinPosition.x / _clusterSize) + halfSize;
var zIndex = Mathf.RoundToInt(cluster.MinPosition.z / _clusterSize) + halfSize;
if (xIndex >= _clusterDimensions || zIndex >= _clusterDimensions)
{
AdjustClusterSize();
}
else
{
_nodeClusters[xIndex, zIndex] = cluster;
var clusterMaxInstanceCount = cluster.MaxInstanceCountPerRenderInUnit;
var count = clusterMaxInstanceCount.Length;
if (_maxInstanceCountPerRenderInUnit == null)
{
_maxInstanceCountPerRenderInUnit = new int[count];
}
for (int i = 0; i < count; ++i)
{
if (_maxInstanceCountPerRenderInUnit[i] < clusterMaxInstanceCount[i])
{
_newInstanceCountLimit = true;
_maxInstanceCountPerRenderInUnit[i] = clusterMaxInstanceCount[i];
}
}
break;
}
}
}
public GpuInstancingSpatialPartition()
{
_nodeClusters = new GpuInstancingNodeCluster <T> [_clusterDimensions, _clusterDimensions];
}
