public SurfaceReference(ChiselNode node, int descriptionIndex, CSGTreeBrush brush, int surfaceIndex)
{
this.node = node as ChiselGeneratorComponent;
this.brush = brush;
this.descriptionIndex = descriptionIndex;
this.surfaceIndex = surfaceIndex;
}
public static Bounds CalculateBounds(ChiselGeneratorComponent generator)
{
if (!generator.TopTreeNode.Valid)
{
return(ChiselHierarchyItem.EmptyBounds);
}
var modelMatrix = ChiselNodeHierarchyManager.FindModelTransformMatrixOfTransform(generator.hierarchyItem.Transform);
var minMax = new ChiselAABB {
};
var boundsCount = 0;
s_FoundBrushes.Clear();
ChiselGeneratedComponentManager.GetAllTreeBrushes(generator, s_FoundBrushes);
foreach (var brush in s_FoundBrushes)
{
if (!brush.Valid)
{
continue;
}
var transformation = modelMatrix * (Matrix4x4)brush.NodeToTreeSpaceMatrix;
var childBounds = brush.Bounds;
var size = childBounds.Max - childBounds.Min;
var magnitude = math.lengthsq(size);
if (float.IsInfinity(magnitude) ||
float.IsNaN(magnitude))
{
var center = ((float4)transformation.GetColumn(3)).xyz;
var halfSize = size * 0.5f;
childBounds = new ChiselAABB {
Min = center - halfSize, Max = center + halfSize
};
}
if (magnitude != 0)
{
if (boundsCount == 0)
{
minMax = childBounds;
}
else
{
minMax.Encapsulate(childBounds);
}
boundsCount++;
}
}
if (boundsCount == 0)
{
return(ChiselHierarchyItem.EmptyBounds);
}
var bounds = new Bounds();
bounds.SetMinMax(minMax.Min, minMax.Max);
return(bounds);
}
// Get all brushes directly contained by this CSGNode (not its children)
public static void GetAllTreeBrushes(ChiselGeneratorComponent component, HashSet <CSGTreeBrush> foundBrushes)
{
if (foundBrushes == null ||
!component.TopTreeNode.Valid)
{
return;
}
var brush = (CSGTreeBrush)component.TopTreeNode;
if (brush.Valid)
{
foundBrushes.Add(brush);
}
else
{
var nodes = new List <CSGTreeNode>();
nodes.Add(component.TopTreeNode);
while (nodes.Count > 0)
{
var lastIndex = nodes.Count - 1;
var current = nodes[lastIndex];
nodes.RemoveAt(lastIndex);
var nodeType = current.Type;
if (nodeType == CSGNodeType.Brush)
{
brush = (CSGTreeBrush)current;
foundBrushes.Add(brush);
}
else
{
for (int i = current.Count - 1; i >= 0; i--)
{
nodes.Add(current[i]);
}
}
}
}
}
public static VisibilityState UpdateVisibility(UnityEditor.SceneVisibilityManager instance, ChiselGeneratorComponent generator)
{
var resultState = VisibilityState.Unknown;
var visible = !instance.IsHidden(generator.gameObject);
var pickingEnabled = !instance.IsPickingDisabled(generator.gameObject);
var topNode = generator.TopTreeNode;
if (topNode.Valid)
{
topNode.Visible = visible;
topNode.PickingEnabled = pickingEnabled;
if (visible)
{
resultState |= VisibilityState.AllVisible;
}
else
{
resultState |= VisibilityState.AllInvisible;
}
}
return(resultState);
}
