/*
* public static bool FindFirstWorldIntersection(ChiselModel model, Vector3 worldRayStart, Vector3 worldRayEnd, int visibleLayers, out ChiselIntersection foundIntersection)
* {
* return FindFirstWorldIntersection(model, worldRayStart, worldRayEnd, visibleLayers, null, null, out foundIntersection);
* }
*/
public static bool FindFirstWorldIntersection(ChiselModel model, Vector3 worldRayStart, Vector3 worldRayEnd, int visibleLayers, GameObject[] ignore, GameObject[] filter, out ChiselIntersection foundIntersection)
{
foundIntersection = ChiselIntersection.None;
if (!ChiselGeneratedComponentManager.IsValidModelToBeSelected(model))
{
return(false);
}
s_FilterNodes.Clear();
s_IgnoreNodes.Clear();
s_IgnoreInstanceIDs.Clear();
s_FilterInstanceIDs.Clear();
if (ignore != null)
{
foreach (var go in ignore)
{
var node = go.GetComponent <ChiselNode>();
if (node)
{
ChiselNodeHierarchyManager.GetChildrenOfHierarchyItem(s_IgnoreNodes, node.hierarchyItem);
s_IgnoreInstanceIDs.Add(node.GetInstanceID());
}
}
}
if (filter != null)
{
foreach (var go in filter)
{
var node = go.GetComponent <ChiselNode>();
if (node)
{
ChiselNodeHierarchyManager.GetChildrenOfHierarchyItem(s_FilterNodes, node.hierarchyItem);
s_FilterInstanceIDs.Add(node.GetInstanceID());
if (node.hierarchyItem != null &&
node.hierarchyItem.Model)
{
s_FilterInstanceIDs.Add(node.hierarchyItem.Model.GetInstanceID());
}
}
}
}
var tree = model.Node;
if (s_IgnoreInstanceIDs.Contains(model.GetInstanceID()) ||
(s_FilterInstanceIDs.Count > 0 && !s_FilterInstanceIDs.Contains(model.GetInstanceID())))
{
return(false);
}
if (((1 << model.gameObject.layer) & visibleLayers) == 0)
{
return(false);
}
var query = ChiselMeshQueryManager.GetMeshQuery(model);
var visibleQueries = ChiselMeshQueryManager.GetVisibleQueries(query);
// We only accept RayCasts into this model if it's visible
if (visibleQueries == null ||
visibleQueries.Length == 0)
{
return(false);
}
Vector3 treeRayStart;
Vector3 treeRayEnd;
var transform = model.transform;
if (transform)
{
var worldToLocalMatrix = transform.worldToLocalMatrix;
treeRayStart = worldToLocalMatrix.MultiplyPoint(worldRayStart);
treeRayEnd = worldToLocalMatrix.MultiplyPoint(worldRayEnd);
}
else
{
treeRayStart = worldRayStart;
treeRayEnd = worldRayEnd;
}
var treeIntersections = CSGQueryManager.RayCastMulti(ChiselMeshQueryManager.GetMeshQuery(model), tree, treeRayStart, treeRayEnd, s_IgnoreNodes, s_FilterNodes, ignoreBackfaced: true, ignoreCulled: true);
if (treeIntersections == null)
{
return(false);
}
bool found = false;
for (var i = 0; i < treeIntersections.Length; i++)
{
var intersection = treeIntersections[i];
var brush = intersection.brush;
var instanceID = brush.UserID;
if ((s_FilterInstanceIDs.Count > 0 && !s_FilterInstanceIDs.Contains(instanceID)) ||
s_IgnoreInstanceIDs.Contains(instanceID))
{
continue;
}
if (intersection.surfaceIntersection.distance < foundIntersection.brushIntersection.surfaceIntersection.distance)
{
foundIntersection = Convert(intersection);
found = true;
}
}
return(found);
}
public static bool GetNodesInFrustum(Frustum frustum, int visibleLayers, ref HashSet <CSGTreeNode> rectFoundNodes)
{
rectFoundNodes.Clear();
var planes = new Plane[6];
Vector4 srcVector;
using (var allTrees = new NativeList <CSGTree>(Allocator.Temp))
{
CompactHierarchyManager.GetAllTrees(allTrees);
for (var t = 0; t < allTrees.Length; t++)
{
var tree = allTrees[t];
var model = ChiselNodeHierarchyManager.FindChiselNodeByTreeNode(tree) as ChiselModel;
if (!ChiselModelManager.IsSelectable(model))
{
continue;
}
if (((1 << model.gameObject.layer) & visibleLayers) == 0)
{
continue;
}
var query = ChiselMeshQueryManager.GetMeshQuery(model);
var visibleQueries = ChiselMeshQueryManager.GetVisibleQueries(query);
// We only accept RayCasts into this model if it's visible
if (visibleQueries == null ||
visibleQueries.Length == 0)
{
continue;
}
// Transform the frustum into the space of the tree
var transform = model.transform;
var worldToLocalMatrixInversed = transform.localToWorldMatrix; // localToWorldMatrix == worldToLocalMatrix.inverse
var worldToLocalMatrixInversedTransposed = worldToLocalMatrixInversed.transpose;
for (int p = 0; p < 6; p++)
{
var srcPlane = frustum.Planes[p];
srcVector.x = srcPlane.normal.x;
srcVector.y = srcPlane.normal.y;
srcVector.z = srcPlane.normal.z;
srcVector.w = srcPlane.distance;
srcVector = worldToLocalMatrixInversedTransposed * srcVector;
planes[p].normal = srcVector;
planes[p].distance = srcVector.w;
}
var treeNodesInFrustum = CSGQueryManager.GetNodesInFrustum(tree, query, planes);
if (treeNodesInFrustum == null)
{
continue;
}
for (int n = 0; n < treeNodesInFrustum.Length; n++)
{
var treeNode = treeNodesInFrustum[n];
rectFoundNodes.Add(treeNode);
}
}
return(rectFoundNodes.Count > 0);
}
}
public static bool FindFirstWorldIntersection(List <ChiselIntersection> foundIntersections, Vector3 worldRayStart, Vector3 worldRayEnd, int visibleLayers = ~0, bool ignoreBackfaced = false, bool ignoreCulled = false, GameObject[] ignore = null, GameObject[] filter = null)
{
bool found = false;
s_IgnoreInstanceIDs.Clear();
s_FilterInstanceIDs.Clear();
s_IgnoreNodes.Clear();
s_FilterNodes.Clear();
if (ignore != null)
{
foreach (var go in ignore)
{
var node = go.GetComponent <ChiselNode>();
if (node)
{
ChiselNodeHierarchyManager.GetChildrenOfHierarchyItem(s_IgnoreNodes, node.hierarchyItem);
s_IgnoreInstanceIDs.Add(node.GetInstanceID());
}
}
}
if (filter != null)
{
foreach (var go in filter)
{
var node = go.GetComponent <ChiselNode>();
if (node)
{
ChiselNodeHierarchyManager.GetChildrenOfHierarchyItem(s_FilterNodes, node.hierarchyItem);
s_FilterInstanceIDs.Add(node.GetInstanceID());
if (node.hierarchyItem != null &&
node.hierarchyItem.Model)
{
s_FilterInstanceIDs.Add(node.hierarchyItem.Model.GetInstanceID());
}
}
}
}
using (var allTrees = new NativeList <CSGTree>(Allocator.Temp))
{
CompactHierarchyManager.GetAllTrees(allTrees);
for (var t = 0; t < allTrees.Length; t++)
{
var tree = allTrees[t];
var model = ChiselNodeHierarchyManager.FindChiselNodeByTreeNode(tree) as ChiselModel;
if (!ChiselModelManager.IsSelectable(model))
{
continue;
}
if (((1 << model.gameObject.layer) & visibleLayers) == 0)
{
continue;
}
var modelInstanceID = model.GetInstanceID();
if (s_IgnoreInstanceIDs.Contains(modelInstanceID) ||
(s_FilterInstanceIDs.Count > 0 && !s_FilterInstanceIDs.Contains(modelInstanceID)))
{
continue;
}
var query = ChiselMeshQueryManager.GetMeshQuery(model);
var visibleQueries = ChiselMeshQueryManager.GetVisibleQueries(query);
// We only accept RayCasts into this model if it's visible
if (visibleQueries == null ||
visibleQueries.Length == 0)
{
return(false);
}
Vector3 treeRayStart;
Vector3 treeRayEnd;
var transform = model.transform;
if (transform)
{
var worldToLocalMatrix = transform.worldToLocalMatrix;
treeRayStart = worldToLocalMatrix.MultiplyPoint(worldRayStart);
treeRayEnd = worldToLocalMatrix.MultiplyPoint(worldRayEnd);
}
else
{
treeRayStart = worldRayStart;
treeRayEnd = worldRayEnd;
}
var treeIntersections = CSGQueryManager.RayCastMulti(ChiselMeshQueryManager.GetMeshQuery(model), tree, treeRayStart, treeRayEnd, s_IgnoreNodes, s_FilterNodes, ignoreBackfaced, ignoreCulled);
if (treeIntersections == null)
{
continue;
}
for (var i = 0; i < treeIntersections.Length; i++)
{
var intersection = treeIntersections[i];
var brush = intersection.brush;
var instanceID = brush.UserID;
if ((s_FilterInstanceIDs.Count > 0 && !s_FilterInstanceIDs.Contains(instanceID)) ||
s_IgnoreInstanceIDs.Contains(instanceID))
{
continue;
}
foundIntersections.Add(Convert(intersection));
found = true;
}
}
return(found);
}
}
