/// <summary>
/// bake visible flag for one renderer.
/// </summary>
/// <param name="pvsManager">the PVS manager.</param>
/// <param name="index">the renderer index.</param>
/// <param name="progress">the baking progress.</param>
public static bool BakeVisibleFlagForRenderer(PVSManager pvsManager, int index, float progress)
{
// if (EditorUtility.DisplayCancelableProgressBar("Backing", $"Renderer: {index}/{pvsManager.renderers.Count}", progress))
// {
// return false;
// }
var renderer = pvsManager.renderers[index];
var targetBounds = renderer.bounds;
targetBounds.Expand(1e-5f);
var targetPlanes = PVSManager.GetPlanesFromBounds(ref targetBounds);
for (var cellIndexX = 0; cellIndexX < pvsManager.cachedCellCountX; ++cellIndexX)
{
if (EditorUtility.DisplayCancelableProgressBar("Backing", $"Renderer: {index}/{pvsManager.renderers.Count} Cell: {cellIndexX}/{pvsManager.cachedCellCountX}", progress))
{
return(false);
}
for (var cellIndexY = 0; cellIndexY < pvsManager.cachedCellCountY; ++cellIndexY)
{
// if (EditorUtility.DisplayCancelableProgressBar("Backing", $"Renderer: {index}/{pvsManager.renderers.Count} Cell: {cellIndexX}/{pvsManager.cachedCellCountX}, {cellIndexY}/{pvsManager.cachedCellCountY}", progress))
// {
// return false;
// }
for (var cellIndexZ = 0; cellIndexZ < pvsManager.cachedCellCountZ; ++cellIndexZ)
{
// if (EditorUtility.DisplayCancelableProgressBar("Backing", $"Renderer: {index}/{pvsManager.renderers.Count} Cell: {cellIndexX}/{pvsManager.cachedCellCountX}, {cellIndexY}/{pvsManager.cachedCellCountY}, {cellIndexZ}/{pvsManager.cachedCellCountZ}", progress))
// {
// return false;
// }
var viewBounds = new Bounds(
pvsManager.worldBounds.min + new Vector3(
cellIndexX * pvsManager.cellSize.x + 0.5f * pvsManager.cellSize.x,
cellIndexY * pvsManager.cellSize.y + 0.5f * pvsManager.cellSize.y,
cellIndexZ * pvsManager.cellSize.z + 0.5f * pvsManager.cellSize.z),
pvsManager.cellSize);
// check visible.
var isVisible = false;
if (viewBounds.Intersects(targetBounds))
{
isVisible = true;
}
else
{
var viewPlanes = PVSManager.GetPlanesFromBounds(ref viewBounds);
// find view bounds and target bounds side face side planes.
foreach (var viewPlane in viewPlanes)
{
foreach (var targetPlane in targetPlanes)
{
if (!PVSManager.IsPlaneFacePlane(viewPlane, targetPlane))
{
continue;
}
isVisible = pvsManager.RayTracingPlane2PlaneGPU(viewPlane, targetPlane);
if (isVisible)
{
break;
}
}
if (isVisible)
{
break;
}
}
}
pvsManager.SetVisibleFlag(index, cellIndexX, cellIndexY, cellIndexZ, isVisible);
}
}
}
return(true);
}