public static ChiselModel FindModelInScene(Scene scene)
{
if (!scene.isLoaded ||
!scene.IsValid())
{
return(null);
}
var allRootGameObjects = scene.GetRootGameObjects();
if (allRootGameObjects == null)
{
return(null);
}
// We prever last model (more likely last created), so we iterate backwards
for (int n = allRootGameObjects.Length - 1; n >= 0; n--)
{
var rootGameObject = allRootGameObjects[n];
// Skip all gameobjects that are disabled
if (!rootGameObject.activeInHierarchy)
{
continue;
}
// Go through all it's models, this method returns the top most models first
var models = rootGameObject.GetComponentsInChildren <ChiselModel>(includeInactive: false);
foreach (var model in models)
{
// Skip all inactive models
if (!ChiselModelManager.IsVisible(model))
{
continue;
}
return(model);
}
}
return(null);
}
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);
}
}
public static bool FindFirstWorldIntersection(Vector3 worldRayStart, Vector3 worldRayEnd, int filterLayerParameter0, int visibleLayers, GameObject[] ignore, GameObject[] filter, out ChiselIntersection foundIntersection)
{
bool found = false;
foundIntersection = ChiselIntersection.None;
HashSet <int> ignoreInstanceIDs = null;
HashSet <int> filterInstanceIDs = null;
if (ignore != null)
{
ignoreInstanceIDs = new HashSet <int>();
foreach (var go in ignore)
{
var node = go.GetComponent <ChiselNode>();
if (node)
{
ignoreInstanceIDs.Add(node.GetInstanceID());
}
}
}
if (filter != null)
{
filterInstanceIDs = new HashSet <int>();
foreach (var go in filter)
{
var node = go.GetComponent <ChiselNode>();
if (node)
{
filterInstanceIDs.Add(node.GetInstanceID());
}
}
}
var allTrees = CSGManager.AllTrees;
for (var t = 0; t < allTrees.Length; t++)
{
var tree = allTrees[t];
var model = ChiselNodeHierarchyManager.FindChiselNodeByTreeNode(tree) as ChiselModel;
if (!ChiselModelManager.IsVisible(model))
{
continue;
}
if ((ignoreInstanceIDs != null && ignoreInstanceIDs.Contains(model.GetInstanceID())))
{
return(false);
}
if ((filterInstanceIDs != null && !filterInstanceIDs.Contains(model.GetInstanceID())))
{
return(false);
}
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)
{
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 = CSGManager.RayCastMulti(ChiselMeshQueryManager.GetMeshQuery(model), tree, treeRayStart, treeRayEnd);
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 ((filterInstanceIDs != null && !filterInstanceIDs.Contains(instanceID)))
{
continue;
}
if ((ignoreInstanceIDs != null && ignoreInstanceIDs.Contains(instanceID)))
{
continue;
}
if (intersection.surfaceIntersection.distance < foundIntersection.brushIntersection.surfaceIntersection.distance)
{
foundIntersection = Convert(intersection);
found = true;
}
}
}
return(found);
}