public bool GetCollisionPoint(Line3D ray, TriangleSelector selector, out Vector3D collisionPoint, out Triangle3D collisionTriangle)
{
float[] colp = new float[3];
float[] coltri = new float[9];
bool toR = SceneCollisionManager_GetCollisionPoint(_raw, ray.ToUnmanaged(), selector.Raw, colp, coltri);
collisionPoint = Vector3D.FromUnmanaged(colp);
collisionTriangle = Triangle3D.FromUnmanaged(coltri);
return toR;
}
public override bool OnMouseEvent(Event p_event)
{
if (p_event.MouseInputEvent == MouseInputEvent.MouseWheel)
{
CameraController.MouseWheelAction(p_event.MouseWheelDelta);
}
if (p_event.MouseInputEvent == MouseInputEvent.LMouseLeftUp)
{
if (m_ctrlPressed)
{
CameraController.ApplyMouseOffsets();
}
m_leftMousePressed = false;
}
if (p_event.MouseInputEvent == MouseInputEvent.LMousePressedDown)
{
m_leftMousePressed = true;
if (m_ctrlPressed)
{
CameraController.SwitchMode(ECameraMode.Build);
// Pick!
CameraController.ResetMouseOffsets();
Vector3D[] projection = CameraController.ProjectRayPoints(p_event.MousePosition, WindowWidth/2, WindowHeight/2, WindowAspect);
Line3D projectedray = new Line3D(projection[0], projection[1]);
Vector3D collisionpoint = new Vector3D(0, 0, 0);
Triangle3D tri = new Triangle3D(0, 0, 0, 0, 0, 0, 0, 0, 0);
// Check if we have a node under the mouse
SceneNode node = SceneGraph.TrianglePicker.GetSceneNodeFromRay(projectedray, 0x0128, true, CameraController.CameraNode.Position); //smgr.CollisionManager.GetSceneNodeFromScreenCoordinates(new Position2D(p_event.MousePosition.X, p_event.MousePosition.Y), 0, false);
if (node == null)
{
if (SceneGraph.TriangleSelector != null)
{
// Collide test against the terrain
if (Renderer.SceneManager.CollisionManager.GetCollisionPoint(projectedray, SceneGraph.TriangleSelector, out collisionpoint, out tri))
{
if (CameraController.CameraMode == ECameraMode.Build)
{
CameraController.SetTarget(collisionpoint);
CameraController.TargetNode = null;
}
}
}
}
else
{
// Sometimes the terrain picker returns weird values.
// If it's weird try the general 'everything' triangle picker.
m_log.WarnFormat("[PICK]: Picked <{0},{1},{2}>", node.Position.X, node.Position.Y, node.Position.Z);
if (node.Position.X == 0 && node.Position.Z == 0)
{
if (SceneGraph.TriangleSelector != null)
{
if (Renderer.SceneManager.CollisionManager.GetCollisionPoint(projectedray, SceneGraph.TriangleSelector, out collisionpoint, out tri))
{
if (CameraController.CameraMode == ECameraMode.Build)
{
CameraController.SetTarget(collisionpoint);
CameraController.TargetNode = null;
}
}
}
}
else
{
// Target the node
if (CameraController.CameraMode == ECameraMode.Build)
{
CameraController.SetTarget(node.Position);
CameraController.TargetNode = node;
}
}
}
}
}
if (p_event.MouseInputEvent == MouseInputEvent.RMouseLeftUp)
{
m_rightMousePressed = false;
}
if (p_event.MouseInputEvent == MouseInputEvent.RMousePressedDown)
{
m_rightMousePressed = true;
}
if (p_event.MouseInputEvent == MouseInputEvent.MouseMoved)
{
if (m_leftMousePressed && m_ctrlPressed)
{
int deltaX = p_event.MousePosition.X - m_oldMouseX;
int deltaY = p_event.MousePosition.Y - m_oldMouseY;
CameraController.SetDeltaFromMouse(deltaX, deltaY);
}
if (m_rightMousePressed)
{
int deltaX = p_event.MousePosition.X - m_oldMouseX;
int deltaY = p_event.MousePosition.Y - m_oldMouseY;
CameraController.SetRotationDelta(deltaX, deltaY);
}
m_oldMouseX = p_event.MousePosition.X;
m_oldMouseY = p_event.MousePosition.Y;
}
return false;
}
public void Draw3DLine(Line3D line, Color color)
{
Draw3DLine(line.Start, line.End, color);
}
// Picker
private void DetectObjectUnderMouse()
{
if (Reference.SceneManager != null
&& Reference.Device != null
&& Reference.SceneManager.CollisionManager != null)
{
SceneNode irrNodeUnderMouse =
Reference.SceneManager.CollisionManager.GetSceneNodeFromScreenCoordinates
(Reference.Device.CursorControl.Position,
0,
false);
if (irrNodeUnderMouse == null)
{
objectUnderMouse = null;
}
else
{
Reference.Viewer.Camera.ResetMouseOffsets();
projectedray = Reference.SceneManager.CollisionManager.GetRayFromScreenCoordinates
(Reference.Device.CursorControl.Position + Reference.Viewer.CursolOffset,
Reference.Viewer.Camera.SNCamera);
irrNodeUnderMouse =
trianglePickerMapper.GetSceneNodeFromRay(projectedray, 0x0128, true, Reference.Viewer.Camera.SNCamera.Position);
bool foundRegionPrimCorrespondingToIrrNodeId = false;
VObject vobj = null;
if (irrNodeUnderMouse != null
&& irrNodeUnderMouse.ID != -1)
{
lock (entities)
{
foreach (string vobjkey in entities.Keys)
{
vobj = entities[vobjkey];
if (vobj != null
&& vobj.Node != null
&& vobj.Node.ID == irrNodeUnderMouse.ID)
{
objectUnderMouse = vobj;
if (vobj.Prim != null)
{
string firstName = string.Empty;;
string lastName = string.Empty;
if (vobj.Prim.NameValues.Length > 1)
{
firstName = (string)vobj.Prim.NameValues[0].Value;
lastName = (string)vobj.Prim.NameValues[1].Value;
}
StringBuilder sb = new StringBuilder();
sb.Append("{");
sb.Append("\"UUID\":" + "\"" + vobj.Prim.ID.ToString() + "\"");
sb.Append(",");
sb.Append("\"NAME\":");
sb.Append("{");
sb.Append("\"FIRST\":" + "\"" + firstName + "\"");
sb.Append(",");
sb.Append("\"LAST\":" + "\"" + lastName + "\"");
sb.Append("}");
sb.Append("}");
Reference.Viewer.Adapter.CallAvatarPicked(sb.ToString());
}
string text = "AVATAR pick target found!: " + vobj.Prim.ID.ToString() + " " + this.ToString() + "." + System.Reflection.MethodBase.GetCurrentMethod().Name;
Reference.Log.Debug(text);
foundRegionPrimCorrespondingToIrrNodeId = true;
break;
}
}
}
}
if (!foundRegionPrimCorrespondingToIrrNodeId)
{
objectUnderMouse = null;
}
}
}
}
/// <summary>
/// Checks an intersection with some line
/// </summary>
/// <param name="LineToCol">
/// A line to be checked <see cref="Line3D"/>
/// </param>
/// <returns>
/// A result of the collision <see cref="System.Boolean"/>
/// </returns>
public bool IntersectsWithLimitedLine (Line3D lineToCol)
{
Vector3D lineVector = lineToCol.Vector.Normalize();
float halfLength = (float)(lineToCol.Length * 0.5);
Vector3D t = Center - lineToCol.Middle;
Vector3D e = (MaxEdge - MinEdge); e = e * (float)(0.5);
if ((Math.Abs(t.X)> e.X+halfLength*Math.Abs(lineVector.X)) ||
(Math.Abs(t.Y)> e.Y+halfLength*Math.Abs(lineVector.Y)) ||
(Math.Abs(t.Z)> e.Z+halfLength*Math.Abs(lineVector.Z)))
return false;
float r = e.Y * (float)Math.Abs(lineVector.Z) + e.Z * Math.Abs(lineVector.Y);
if (Math.Abs(t.Y * lineVector.Z - t.Z * lineVector.Y) > r)
return false;
r = e.X * (float)Math.Abs(lineVector.Z) + e.Z * Math.Abs(lineVector.X);
if (Math.Abs(t.Z * lineVector.X - t.X * lineVector.Z) > r)
return false;
r = e.X * (float)Math.Abs(lineVector.Y) + e.Y * Math.Abs(lineVector.X);
if (Math.Abs(t.X * lineVector.Y - t.Y * lineVector.X) > r)
return false;
return true;
}
/// <summary>
/// Returns an intersection with a 3d line.
/// </summary>
/// <param name="line">Line to intersect with.</param>
/// <param name="outIntersection">Place to store the intersection point, if there is one.</param>
/// <returns>Returns true if there was an intersection, false if there was not.</returns>
public bool GetIntersectionWithLimitedLine(Line3D line, out Vector3D outIntersection)
{
return GetIntersectionWithLine(line.Start,line.Vector, out outIntersection) &&
outIntersection.IsBetweenPoints(line.Start, line.End);
}
public bool nlinTestSel(Line3D line, SceneManager smgr, ref Triangle3D tri)
{
lock (trilist)
{
foreach (TriangleSelector selector in trilist)
{
Vector3D intersection;
if (smgr.CollisionManager.GetCollisionPoint(
line, selector, out intersection, out tri))
{
return true;
}
}
}
return false;
}
public SceneNode GetSceneNodeFromRay(Line3D ray, int bitMask, bool noDebug, Vector3D campos)
{
SceneNode returnobj = null;
Vector3D collisionpoint = new Vector3D(0, 0, 0);
Triangle3D tri = new Triangle3D(0, 0, 0, 0, 0, 0, 0, 0, 0);
Vector3D closestpoint = new Vector3D(999, 999, 9999);
List<TriangleSelector> removeList = new List<TriangleSelector>();
lock (trilist)
{
foreach (TriangleSelector trisel in trilist)
{
if (trisel == null)
{
removeList.Add(trisel);
continue;
}
if (trisel.Raw == IntPtr.Zero)
{
removeList.Add(trisel);
continue;
}
try
{
if (scm.GetCollisionPoint(ray, trisel, out collisionpoint, out tri))
{
if (campos.DistanceFrom(collisionpoint) < campos.DistanceFrom(closestpoint))
{
closestpoint = collisionpoint;
if (triLookup.ContainsKey(trisel.Raw))
{
SceneNode sreturnobj = triLookup[trisel.Raw];
if (!(sreturnobj is TerrainSceneNode))
returnobj = sreturnobj;
}
}
}
}
catch (AccessViolationException)
{
VUtil.LogConsole(this.ToString() + "[ACCESSVIOLATION]", "TrianglePickerMapper::GetSceneNodeFromRay");
removeList.Add(trisel);
continue;
}
catch (System.Runtime.InteropServices.SEHException)
{
removeList.Add(trisel);
continue;
}
}
foreach (TriangleSelector trisel2 in removeList)
{
trilist.Remove(trisel2);
}
}
return returnobj;
}
public static Line3D From(float xMin, float yMin, float zMin, float xMax, float yMax, float zMax)
{
Line3D line = new Line3D();
line.Start = new Vector3D();
line.End = new Vector3D();
line.Start.Set(xMin, yMin, zMin);
line.End.Set(xMax, yMax, zMax);
return line;
}
public SceneNode GetSceneNodeFromRay(Line3D ray)
{
return GetSceneNodeFromRay(ray, 0, false);
}
public SceneNode GetSceneNodeFromRay(Line3D ray, int bitMask, bool noDebug)
{
return (SceneNode)
NativeElement.GetObject(SceneCollisionManager_GetSceneNodeFromRayBB(_raw, ray.ToUnmanaged(), bitMask, noDebug),
typeof(SceneNode));
}
