protected virtual void NotifyOfNewParent( Node newParent )
{
parent = newParent;
isParentNotified = false;
NeedUpdate();
}
/// <summary>
/// Whether the specified node is a child of this node.
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public bool HasChild( Node node )
{
return node.Parent == this;
}
public virtual void NotifyAttached(Node parent)
{
this.parentNode = parent;
if ( parent != null )
{
tileSceneNode = (SceneNode)( parent.CreateChild( name ) );
//mTileNode.setPosition( (Real)mTableX , 0.0, (Real)mTableZ );
if ( renderable != null)
if (renderable.IsLoaded)
{
tileSceneNode.AttachObject( (MovableObject) renderable );
}
tileSceneNode.NeedUpdate();
}
}
/// <summary>
/// Called by children to notify their parent that they need an update.
/// </summary>
/// <param name="child"></param>
public virtual void RequestUpdate( Node child )
{
// if we are already going to update everything, this wont matter
if ( needChildUpdate )
return;
// add to the list of children that need updating
if ( !childrenToUpdate.ContainsKey( child.name ) )
childrenToUpdate.Add( child );
// request to update me
if ( parent != null && !isParentNotified )
{
parent.RequestUpdate( this );
isParentNotified = true;
}
}
/// <summary>
/// Creates a new NodeAnimationTrack automatically associated with a Node.
/// </summary>
/// <param name="handle">Handle to give the track, used for accessing the track later.</param>
/// <param name="targetNode">Node object which will be affected by this track.</param>
/// <returns></returns>
public NodeAnimationTrack CreateNodeTrack( ushort handle, Node targetNode )
{
// create a new track and set it's target
NodeAnimationTrack track = CreateNodeTrack( handle );
track.TargetNode = targetNode;
return track;
}
/// <summary>
/// Internal method called to notify the object that it has been attached to a node.
/// </summary>
/// <param name="node">Scene node to notify.</param>
internal virtual void NotifyAttached(Node node, bool isTagPoint)
{
parentNode = node;
parentIsTagPoint = isTagPoint;
}
public static void QueueNeedUpdate(Node node)
{
// Don't queue the node more than once
if (!node.queuedForUpdate) {
node.queuedForUpdate = true;
queuedUpdates.Add(node);
}
}
public int IndexOf(T item)
{
return objectList.IndexOfKey(item.Name);
}
protected virtual void ParentChanged(Node oldParent, Node newParent)
{
if(oldParent != null) {
oldParent.RemoveChild(this);
if (NodeDetachedEvent != null)
NodeDetachedEvent(this);
}
if (newParent != null) {
newParent.AddChild(this);
if (NodeAttachedEvent != null)
NodeAttachedEvent(this);
}
}
/// <summary>
///
/// </summary>
public Node()
{
this.name = "Unnamed_" + nextUnnamedNodeExtNum++;
parent = null;
// initialize objects
orientation = initialOrientation = derivedOrientation = Quaternion.Identity;
position = initialPosition = derivedPosition = Vector3.Zero;
scale = initialScale = derivedScale = Vector3.UnitScale;
cachedTransform = Matrix4.Identity;
inheritsScale = true;
accumAnimWeight = 0.0f;
childNodes = new Dictionary<string, Node>();
childrenToUpdate = new List<Node>();
NeedUpdate();
}
/// <summary>
/// Adds a named object to the collection.
/// </summary>
/// <param name="name"></param>
/// <param name="item"></param>
public void Add(K key, T item)
{
base.Add(key, item);
}
/// <summary>
/// Adds an object to the collection.
/// </summary>
/// <param name="item"></param>
public void Add(T item)
{
Add(item.Name, item);
}
public void Remove(T item)
{
objectList.Remove(item.Name);
}
/// <summary>
/// Internal method to remove a child of this node, keeping it in the list of child nodes by option.
/// Useful when enumerating the list of children while removing them too.
/// </summary>
/// <param name="child"></param>
/// <param name="removeFromInternalList"></param>
protected virtual void RemoveChild( Node child, bool removeFromInternalList )
{
CancelUpdate( child );
child.NotifyOfNewParent( null );
if (removeFromInternalList)
{
childNodes.Remove(child.Name);
}
}
public bool HasChild(Node node)
{
return childNodes.ContainsValue(node);
}
/// <summary>
/// Removes the specified node from the scene graph and the octree, optionally keeping it in the internal node list yet. For internal use.
/// </summary>
/// <remarks>
/// Removes all of the node's child subtree from the octree, but children remain linked to parents.
/// </remarks>
/// <param name="child"></param>
/// <param name="removeFromInternalList"></param>
protected override void RemoveChild( Node child, bool removeFromInternalList )
{
Debug.Assert( child is OctreeNode, "node is not an octree node" );
// remove all linked nodes from octree
RemoveNodesFromOctree( (OctreeNode)child );
// remove child from scene graph
base.RemoveChild( child, removeFromInternalList );
}
/// <summary>
/// Removes the specifed node as a child of this node.
/// </summary>
/// <param name="child"></param>
public virtual void RemoveChild(Node child)
{
if (child != null) {
CancelUpdate(child);
child.NotifyOfNewParent(null);
}
childNodes.Remove(child.Name);
}
/// <summary>
/// Same as the Apply method, but applies to a specified Node instead of it's associated node.
/// </summary>
public void ApplyToNode( Node node, float time, float weight, bool accumulate, float scale )
{
this.GetInterpolatedKeyFrame( time, kf );
if ( accumulate )
{
// add to existing. Weights are not relative, but treated as absolute multipliers for the animation
Vector3 translate = kf.Translate * weight * scale;
node.Translate( translate );
// interpolate between not rotation and full rotation, to point weight, so 0 = no rotate, and 1 = full rotation
Quaternion rotate = Quaternion.Slerp( weight, Quaternion.Identity, kf.Rotation );
node.Rotate( rotate );
// TODO: not yet sure how to modify scale for cumulative animations
Vector3 scaleVector = kf.Scale;
// Not sure how to modify scale for cumulative anims... leave it alone
//scaleVector = ((Vector3::UNIT_SCALE - kf.getScale()) * weight) + Vector3::UNIT_SCALE;
if ( scale != 1.0f && scaleVector != Vector3.UnitScale )
scaleVector = Vector3.UnitScale + ( scaleVector - Vector3.UnitScale ) * scale;
node.ScaleBy( scaleVector );
}
else
{
// apply using weighted transform method
node.WeightedTransform( weight, kf.Translate, kf.Rotation, kf.Scale );
}
}
public void Remove(T item)
{
objectList.Remove(item.Name);
}
/// <summary>
/// Internal method called to notify the object that it has been attached to a node.
/// </summary>
/// <param name="node">Scene node to notify.</param>
internal virtual void NotifyAttached(Node node)
{
NotifyAttached(node, false);
}
public bool Contains(T item)
{
return(objectList.Contains(item.Name));
}
//-----------------------------------------------------------------------
public override void NotifyAttached(Node parent, bool isTagPoint)
{
billboardSet.NotifyAttached(parent, isTagPoint);
}
public int IndexOf(T item)
{
return(objectList.IndexOfKey(item.Name));
}
public static void QueueNeedUpdate( Node node )
{
if ( !_queuedForUpdate.Contains( node ) )
{
_queuedForUpdate.Add( node );
}
}
/// <summary>
/// Adds an object to the collection.
/// </summary>
/// <param name="item"></param>
public void Add(T item)
{
Add(item.Name, item);
}
/// <summary>
/// Called by children to notify their parent that they no longer need an update.
/// </summary>
/// <param name="child"></param>
public virtual void CancelUpdate( Node child )
{
// remove this from the list of children to update
childrenToUpdate.Remove( child.Name );
// propogate this changed if we are done
if ( childrenToUpdate.Count == 0 && parent != null && !needChildUpdate )
{
parent.CancelUpdate( this );
isParentNotified = false;
}
}
/// <summary>
/// Adds a named object to the collection.
/// </summary>
/// <param name="name"></param>
/// <param name="item"></param>
public void Add(K key, T item)
{
base.Add(key, item);
}
/// <summary>
/// Adds a node to the list of children of this node.
/// </summary>
public void AddChild( Node child )
{
string childName = child.Name;
if ( child == this )
throw new ArgumentException( string.Format( "Node '{0}' cannot be added as a child of itself.", childName ) );
if ( childNodes.ContainsKey( childName ) )
throw new ArgumentException( string.Format( "Node '{0}' already has a child node with the name '{1}'.", this.name, childName ) );
child.RemoveFromParent();
childNodes.Add( childName, child );
child.NotifyOfNewParent( this );
}
public void DetachScriptNode(Node node)
{
if (!scriptNodeAttachments.ContainsKey(node))
{
log.Warn("Got DetachScriptNode without valid node");
return;
}
long objectId = scriptNodeAttachments[node];
DetachNode(objectId, true);
scriptNodeAttachments.Remove(node);
return;
}
/// <summary>
/// Removes the specifed node that is a child of this node.
/// </summary>
/// <param name="child"></param>
public virtual void RemoveChild( Node child )
{
RemoveChild( child, true );
}
/// <summary>
/// Internal constructor, to prevent direction instantiation. Should be created
/// via a call to the CreateTrack method of an Animation.
/// </summary>
public NodeAnimationTrack( Animation parent, Node target )
: base( parent )
{
this.target = target;
}
public DebugRenderable( Node parent )
{
_parent = parent;
string materialName = "Axiom/Debug/AxesMat";
_material = (Material)MaterialManager.Instance[ materialName ];
if ( _material == null )
{
_material = (Material)MaterialManager.Instance.Create( materialName, ResourceGroupManager.InternalResourceGroupName );
Pass p = _material.GetTechnique( 0 ).GetPass( 0 );
p.LightingEnabled = false;
//TODO: p.PolygonModeOverrideable = false;
p.VertexColorTracking = TrackVertexColor.Ambient;
p.SetSceneBlending( SceneBlendType.TransparentAlpha );
p.CullingMode = CullingMode.None;
p.DepthWrite = false;
}
string meshName = "Axiom/Debug/AxesMesh";
_mesh = MeshManager.Instance[ meshName ];
if ( _mesh == null )
{
ManualObject mo = new ManualObject( "tmp" );
mo.Begin( Material.Name, OperationType.TriangleList );
/* 3 axes, each made up of 2 of these (base plane = XY)
* .------------|\
* '------------|/
*/
mo.EstimateVertexCount( 7 * 2 * 3 );
mo.EstimateIndexCount( 3 * 2 * 3 );
Quaternion[] quat = new Quaternion[ 6 ];
ColorEx[] col = new ColorEx[ 3 ];
// x-axis
quat[ 0 ] = Quaternion.Identity;
quat[ 1 ] = Quaternion.FromAxes( Vector3.UnitX, Vector3.NegativeUnitZ, Vector3.UnitY );
col[ 0 ] = ColorEx.Red;
col[ 0 ].a = 0.8f;
// y-axis
quat[ 2 ] = Quaternion.FromAxes( Vector3.UnitY, Vector3.NegativeUnitX, Vector3.UnitZ );
quat[ 3 ] = Quaternion.FromAxes( Vector3.UnitY, Vector3.UnitZ, Vector3.UnitX );
col[ 1 ] = ColorEx.Green;
col[ 1 ].a = 0.8f;
// z-axis
quat[ 4 ] = Quaternion.FromAxes( Vector3.UnitZ, Vector3.UnitY, Vector3.NegativeUnitX );
quat[ 5 ] = Quaternion.FromAxes( Vector3.UnitZ, Vector3.UnitX, Vector3.UnitY );
col[ 2 ] = ColorEx.Blue;
col[ 2 ].a = 0.8f;
Vector3[] basepos = new Vector3[ 7 ]
{
// stalk
new Vector3(0f, 0.05f, 0f),
new Vector3(0f, -0.05f, 0f),
new Vector3(0.7f, -0.05f, 0f),
new Vector3(0.7f, 0.05f, 0f),
// head
new Vector3(0.7f, -0.15f, 0f),
new Vector3(1f, 0f, 0f),
new Vector3(0.7f, 0.15f, 0f)
};
// vertices
// 6 arrows
for ( int i = 0; i < 6; ++i )
{
// 7 points
for ( int p = 0; p < 7; ++p )
{
Vector3 pos = quat[ i ] * basepos[ p ];
mo.Position( pos );
mo.Color( col[ i / 2 ] );
}
}
// indices
// 6 arrows
for ( int i = 0; i < 6; ++i )
{
ushort baseIndex = (ushort)( i * 7 );
mo.Triangle( (ushort)( baseIndex + 0 ), (ushort)( baseIndex + 1 ), (ushort)( baseIndex + 2 ) );
mo.Triangle( (ushort)( baseIndex + 0 ), (ushort)( baseIndex + 2 ), (ushort)( baseIndex + 3 ) );
mo.Triangle( (ushort)( baseIndex + 4 ), (ushort)( baseIndex + 5 ), (ushort)( baseIndex + 6 ) );
}
mo.End();
_mesh = mo.ConvertToMesh( meshName, ResourceGroupManager.InternalResourceGroupName );
}
}
public NodeAnimationTrack( Animation parent )
: base( parent )
{
this.target = null;
}
/// <summary>
/// Internal method called to notify the object that it has been attached to a node.
/// </summary>
/// <param name="node">Scene node to which we are being attached.</param>
/// <param name="isTagPoint"></param>
internal override void NotifyAttached( Node node, bool isTagPoint )
{
base.NotifyAttached( node, isTagPoint );
// Also notify LOD entities
foreach ( var lodEntity in this.lodEntityList )
{
lodEntity.NotifyAttached( node, isTagPoint );
}
}
public bool Contains(T item)
{
return objectList.Contains(item.Name);
}
