public static bool FindSurfaceIntersection(Camera camera, CSGBrush brush, Matrix4x4 modelTransformation, Int32 surfaceIndex, Vector2 screenPos, out LegacySurfaceIntersection intersection)
{
var worldRay = HandleUtility.GUIPointToWorldRay(screenPos);
var rayStart = worldRay.origin;
var rayVector = (worldRay.direction * (camera.farClipPlane - camera.nearClipPlane));
var rayEnd = rayStart + rayVector;
intersection = null;
if (!brush ||
InternalCSGModelManager.External.RayCastIntoBrushSurface == null)
{
return(false);
}
if (!InternalCSGModelManager.External.RayCastIntoBrushSurface(brush.brushNodeID,
surfaceIndex,
rayStart,
rayEnd,
modelTransformation,
out intersection))
{
return(false);
}
if (BrushTraits.IsSurfaceUnselectable(brush, surfaceIndex, brush.ChildData.Model.IsTrigger))
{
return(false);
}
return(true);
}
public static bool FindBrushIntersection(CSGBrush brush, Matrix4x4 modelTransformation, Vector3 rayStart, Vector3 rayEnd, out LegacyBrushIntersection intersection)
{
intersection = null;
if (!brush || InternalCSGModelManager.External.RayCastIntoBrush == null)
{
return(false);
}
if (!InternalCSGModelManager.External.RayCastIntoBrush(brush.brushNodeID,
rayStart,
rayEnd,
modelTransformation,
out intersection,
false))
{
return(false);
}
if (BrushTraits.IsSurfaceUnselectable(brush, intersection.surfaceIndex, brush.ChildData.Model.IsTrigger))
{
return(false);
}
return(true);
}
public static bool FindWorldIntersection(Vector3 rayStart, Vector3 rayEnd, out LegacyBrushIntersection intersection, bool ignoreInvisibleSurfaces = true, bool ignoreUnrenderables = true, CSGBrush[] ignoreBrushes = null)
{
intersection = null;
if (InternalCSGModelManager.External == null ||
InternalCSGModelManager.External.RayCastMulti == null)
{
return(false);
}
var forceIgnoreInvisibleSurfaces = ignoreInvisibleSurfaces && !CSGSettings.ShowCulledSurfaces;
var visibleLayers = Tools.visibleLayers;
int foundModelCount = 0;
if (__foundModels.Length < InternalCSGModelManager.Models.Length)
{
__foundModels = new CSGModel[InternalCSGModelManager.Models.Length];
}
for (var g = 0; g < InternalCSGModelManager.Models.Length; g++)
{
var model = InternalCSGModelManager.Models[g];
if (!ModelTraits.IsModelSelectable(model))
{
continue;
}
if (ignoreUnrenderables && !ModelTraits.WillModelRender(model) &&
!Selection.Contains(model.gameObject.GetInstanceID()))
{
continue;
}
__foundModels[foundModelCount] = model;
foundModelCount++;
}
if (foundModelCount == 0)
{
return(false);
}
LegacyBrushIntersection[] modelIntersections;
if (!InternalCSGModelManager.External.RayCastMulti(foundModelCount,
__foundModels,
rayStart,
rayEnd,
forceIgnoreInvisibleSurfaces,
out modelIntersections,
ignoreBrushes: ignoreBrushes))
{
return(false);
}
for (var i = 0; i < modelIntersections.Length; i++)
{
var modelIntersection = modelIntersections[i];
if (intersection != null &&
modelIntersection.distance > intersection.distance)
{
continue;
}
var brush = modelIntersection.gameObject.GetComponent <CSGBrush>();
if (BrushTraits.IsSurfaceUnselectable(brush, modelIntersection.surfaceIndex, brush.ChildData.Model.IsTrigger, !ignoreInvisibleSurfaces))
{
continue;
}
modelIntersection.brush = brush;
intersection = modelIntersection;
}
if (intersection == null)
{
return(false);
}
return(true);
}
public static bool FindMultiWorldIntersection(Vector3 worldRayStart, Vector3 worldRayEnd, out LegacyBrushIntersection[] intersections, bool ignoreInvisibleSurfaces = true, bool ignoreUnrenderables = true, CSGBrush[] ignoreBrushes = null)
{
intersections = null;
if (InternalCSGModelManager.External == null ||
InternalCSGModelManager.External.RayCastIntoModelMulti == null)
{
return(false);
}
var foundIntersections = new Dictionary <CSGNode, LegacyBrushIntersection>();
var visibleLayers = Tools.visibleLayers;
ignoreInvisibleSurfaces = ignoreInvisibleSurfaces && !CSGSettings.ShowCulledSurfaces;
for (var g = 0; g < InternalCSGModelManager.Models.Length; g++)
{
var model = InternalCSGModelManager.Models[g];
if (!ModelTraits.IsModelSelectable(model))
{
continue;
}
if (ignoreUnrenderables && !ModelTraits.WillModelRender(model) &&
!Selection.Contains(model.gameObject.GetInstanceID()))
{
continue;
}
LegacyBrushIntersection[] modelIntersections;
if (!InternalCSGModelManager.External.RayCastIntoModelMulti(model,
worldRayStart,
worldRayEnd,
ignoreInvisibleSurfaces,
out modelIntersections,
ignoreBrushes: ignoreBrushes))
{
continue;
}
for (var i = 0; i < modelIntersections.Length; i++)
{
var intersection = modelIntersections[i];
var brush = intersection.gameObject.GetComponent <CSGBrush>();
if (BrushTraits.IsSurfaceUnselectable(brush, intersection.surfaceIndex, brush.ChildData.Model.IsTrigger, ignoreSurfaceFlags: !ignoreInvisibleSurfaces))
{
continue;
}
var currentNode = GetTopMostGroupForNode(brush);
LegacyBrushIntersection other;
if (foundIntersections.TryGetValue(currentNode, out other) &&
other.distance <= intersection.distance)
{
continue;
}
intersection.brush = brush;
intersection.model = model;
foundIntersections[currentNode] = modelIntersections[i];
}
}
if (foundIntersections.Count == 0)
{
return(false);
}
var sortedIntersections = foundIntersections.Values.ToArray();
Array.Sort(sortedIntersections, (x, y) => (int)Mathf.Sign(x.distance - y.distance));
intersections = sortedIntersections;
return(true);
}