1 #ifndef __DALI_INTERNAL_SCENE_GRAPH_NODE_H__
2 #define __DALI_INTERNAL_SCENE_GRAPH_NODE_H__
5 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/actors/actor-enumerations.h>
23 #include <dali/public-api/actors/draw-mode.h>
24 #include <dali/devel-api/common/set-wrapper.h>
25 #include <dali/public-api/math/quaternion.h>
26 #include <dali/public-api/math/math-utils.h>
27 #include <dali/public-api/math/vector3.h>
28 #include <dali/internal/common/message.h>
29 #include <dali/internal/event/common/event-thread-services.h>
30 #include <dali/internal/update/common/animatable-property.h>
31 #include <dali/internal/update/common/property-owner.h>
32 #include <dali/internal/update/common/property-vector3.h>
33 #include <dali/internal/update/common/scene-graph-buffers.h>
34 #include <dali/internal/update/common/inherited-property.h>
35 #include <dali/integration-api/debug.h>
36 #include <dali/internal/update/nodes/node-declarations.h>
37 #include <dali/internal/update/node-attachments/node-attachment-declarations.h>
38 #include <dali/internal/render/data-providers/node-data-provider.h>
39 #include <dali/internal/update/rendering/scene-graph-renderer.h>
47 // value types used by messages
48 template <> struct ParameterType< ColorMode > : public BasicType< ColorMode > {};
49 template <> struct ParameterType< PositionInheritanceMode > : public BasicType< PositionInheritanceMode > {};
61 * Flag whether property has changed, during the Update phase.
63 enum NodePropertyFlags
66 TransformFlag = 0x001,
71 SortModifierFlag = 0x020,
72 ChildDeletedFlag = 0x040
75 static const int AllFlags = ( ChildDeletedFlag << 1 ) - 1; // all the flags
78 * Size is not inherited.
79 * VisibleFlag is inherited so that attachments can be synchronized with nodes after they become visible
81 static const int InheritedDirtyFlags = TransformFlag | VisibleFlag | ColorFlag | OverlayFlag;
83 // Flags which require the scene renderable lists to be updated
84 static const int RenderableUpdateFlags = TransformFlag | SortModifierFlag | ChildDeletedFlag;
87 * Node is the base class for all nodes in the Scene Graph.
89 * Each node provides a transformation which applies to the node and
90 * its children. Node data is double-buffered. This allows an update
91 * thread to modify node data, without interferring with another
92 * thread reading the values from the previous update traversal.
94 class Node : public PropertyOwner, public NodeDataProvider
99 static const PositionInheritanceMode DEFAULT_POSITION_INHERITANCE_MODE;
100 static const ColorMode DEFAULT_COLOR_MODE;
105 * Construct a new Node.
115 * Overriden delete operator
116 * Deletes the node from its global memory pool
118 void operator delete( void* ptr );
121 * When a Node is marked "active" it has been disconnected, but its properties have been modified.
122 * @note An inactive Node will be skipped during the UpdateManager ResetProperties stage.
123 * @param[in] isActive True if the Node is active.
125 void SetActive( bool isActive )
127 mIsActive = isActive;
131 * Query whether the Node is active.
132 * @return True if the Node is active.
134 bool IsActive() const
140 * Called during UpdateManager::DestroyNode shortly before Node is destroyed.
147 * Query whether the node is a layer.
148 * @return True if the node is a layer.
152 return (GetLayer() != NULL);
156 * Convert a node to a layer.
157 * @return A pointer to the layer, or NULL.
159 virtual Layer* GetLayer()
167 * Attach an object to this Node; This should only be done by UpdateManager::AttachToNode.
168 * @pre The Node does not already have an attachment.
169 * @param[in] attachment The object to attach.
171 void Attach( NodeAttachment& attachment );
174 * Query the node if it has an attachment.
175 * @return True if it has an attachment.
177 bool HasAttachment() const
183 * Add a renderer to the node
184 * @param[in] renderer The renderer added to the node
186 void AddRenderer( Renderer* renderer )
188 //Check that it has not been already added
189 unsigned int rendererCount( mRenderer.Size() );
190 for( unsigned int i(0); i<rendererCount; ++i )
192 if( mRenderer[i] == renderer )
194 //Renderer already in the list
199 //If it is the first renderer added, make sure the world transform will be calculated
200 //in the next update as world transform is not computed if node has no renderers
201 if( rendererCount == 0 )
203 mDirtyFlags |= TransformFlag;
206 mRenderer.PushBack( renderer );
210 * Remove a renderer from the node
211 * @param[in] renderer The renderer to be removed
213 void RemoveRenderer( Renderer* renderer );
216 * Get the renderer at the given index
219 Renderer* GetRendererAt( unsigned int index )
221 return mRenderer[index];
225 * Retrieve the number of renderers for the node
227 unsigned int GetRendererCount()
229 return mRenderer.Size();
233 * Retreive the object attached to this node.
234 * @return The attachment.
236 NodeAttachment& GetAttachment() const
241 // Containment methods
244 * Query whether a node is the root node. Root nodes cannot have a parent node.
245 * A node becomes a root node, when it is installed by UpdateManager.
246 * @return True if the node is a root node.
254 * Set whether a node is the root node. Root nodes cannot have a parent node.
255 * This method should only be called by UpdateManager.
256 * @pre When isRoot is true, the node must not have a parent.
257 * @param[in] isRoot Whether the node is now a root node.
259 void SetRoot(bool isRoot);
262 * Retrieve the parent of a Node.
263 * @return The parent node, or NULL if the Node has not been added to the scene-graph.
271 * Retrieve the parent of a Node.
272 * @return The parent node, or NULL if the Node has not been added to the scene-graph.
274 const Node* GetParent() const
280 * Connect a node to the scene-graph.
281 * @pre A node cannot be added to itself.
282 * @pre The parent node is connected to the scene-graph.
283 * @pre The childNode does not already have a parent.
284 * @pre The childNode is not a root node.
285 * @param[in] childNode The child to add.
287 void ConnectChild( Node* childNode );
290 * Disconnect a child (& its children) from the scene-graph.
291 * @pre childNode is a child of this Node.
292 * @param[in] updateBufferIndex The current update buffer index.
293 * @param[in] childNode The node to disconnect.
294 * @param[in] connectedNodes Disconnected Node attachments should be removed from here.
295 * @param[in] disconnectedNodes Disconnected Node attachments should be added here.
297 void DisconnectChild( BufferIndex updateBufferIndex, Node& childNode, std::set<Node*>& connectedNodes, std::set<Node*>& disconnectedNodes );
300 * Retrieve the children a Node.
301 * @return The container of children.
303 const NodeContainer& GetChildren() const
309 * Retrieve the children a Node.
310 * @return The container of children.
312 NodeContainer& GetChildren()
320 * Flag that one of the node values has changed in the current frame.
321 * @param[in] flag The flag to set.
323 void SetDirtyFlag(NodePropertyFlags flag)
329 * Flag that all of the node values are dirty.
331 void SetAllDirtyFlags()
333 mDirtyFlags = AllFlags;
337 * Query whether a node is dirty.
338 * @return The dirty flags
340 int GetDirtyFlags() const;
343 * Query whether a node is clean.
344 * @return True if the node is clean.
348 return ( NothingFlag == GetDirtyFlags() );
352 * Retrieve the parent-origin of the node.
353 * @return The parent-origin.
355 const Vector3& GetParentOrigin() const
357 return mParentOrigin.mValue;
361 * Sets both the local & base parent-origins of the node.
362 * @param[in] origin The new local & base parent-origins.
364 void SetParentOrigin(const Vector3& origin)
366 mParentOrigin.mValue = origin;
367 mParentOrigin.OnSet();
371 * Retrieve the anchor-point of the node.
372 * @return The anchor-point.
374 const Vector3& GetAnchorPoint() const
376 return mAnchorPoint.mValue;
380 * Sets both the local & base anchor-points of the node.
381 * @param[in] anchor The new local & base anchor-points.
383 void SetAnchorPoint(const Vector3& anchor)
385 mAnchorPoint.mValue = anchor;
386 mAnchorPoint.OnSet();
390 * Retrieve the local position of the node, relative to its parent.
391 * @param[in] bufferIndex The buffer to read from.
392 * @return The local position.
394 const Vector3& GetPosition(BufferIndex bufferIndex) const
396 return mPosition[bufferIndex];
400 * Sets both the local & base positions of the node.
401 * @param[in] updateBufferIndex The current update buffer index.
402 * @param[in] position The new local & base position.
404 void BakePosition(BufferIndex updateBufferIndex, const Vector3& position)
406 mPosition.Bake( updateBufferIndex, position );
410 * Sets the world of the node derived from the position of all its parents.
411 * @param[in] updateBufferIndex The current update buffer index.
412 * @param[in] position The world position.
414 void SetWorldPosition( BufferIndex updateBufferIndex, const Vector3& position )
416 mWorldPosition.Set( updateBufferIndex, position );
420 * Sets the position of the node derived from the position of all its parents.
421 * This method should only be called when the parent's world position is up-to-date.
422 * With a non-central anchor-point, the local orientation and scale affects the world position.
423 * Therefore the world orientation & scale must be updated before the world position.
424 * @pre The node has a parent.
425 * @param[in] updateBufferIndex The current update buffer index.
427 void InheritWorldPosition(BufferIndex updateBufferIndex)
429 DALI_ASSERT_DEBUG(mParent != NULL);
431 switch( mPositionInheritanceMode )
433 case INHERIT_PARENT_POSITION : ///@see Dali::PositionInheritanceMode for how these modes are expected to work
435 Vector3 finalPosition(-0.5f, -0.5f, -0.5f);
437 finalPosition += mParentOrigin.mValue;
438 finalPosition *= mParent->GetSize(updateBufferIndex);
439 finalPosition += mPosition[updateBufferIndex];
440 finalPosition *= mParent->GetWorldScale(updateBufferIndex);
441 const Quaternion& parentWorldOrientation = mParent->GetWorldOrientation(updateBufferIndex);
442 if(!parentWorldOrientation.IsIdentity())
444 finalPosition *= parentWorldOrientation;
447 // check if a node needs to be offsetted locally (only applies when AnchorPoint is not central)
448 // dont use operator== as that does a slower comparison (and involves function calls)
449 Vector3 localOffset(0.5f, 0.5f, 0.5f); // AnchorPoint::CENTER
450 localOffset -= mAnchorPoint.mValue;
452 if( ( fabsf( localOffset.x ) >= Math::MACHINE_EPSILON_0 ) ||
453 ( fabsf( localOffset.y ) >= Math::MACHINE_EPSILON_0 ) ||
454 ( fabsf( localOffset.z ) >= Math::MACHINE_EPSILON_0 ) )
456 localOffset *= mSize[updateBufferIndex];
458 Vector3 scale = mWorldScale[updateBufferIndex];
460 // Pick up sign of local scale
461 if (mScale[updateBufferIndex].x < 0.0f)
465 if (mScale[updateBufferIndex].y < 0.0f)
469 if (mScale[updateBufferIndex].z < 0.0f)
474 // If the anchor-point is not central, then position is affected by the local orientation & scale
475 localOffset *= scale;
476 const Quaternion& localWorldOrientation = mWorldOrientation[updateBufferIndex];
477 if(!localWorldOrientation.IsIdentity())
479 localOffset *= localWorldOrientation;
481 finalPosition += localOffset;
484 finalPosition += mParent->GetWorldPosition(updateBufferIndex);
485 mWorldPosition.Set( updateBufferIndex, finalPosition );
488 case USE_PARENT_POSITION_PLUS_LOCAL_POSITION :
490 // copy parents position plus local transform
491 mWorldPosition.Set( updateBufferIndex, mParent->GetWorldPosition(updateBufferIndex) + mPosition[updateBufferIndex] );
494 case USE_PARENT_POSITION :
496 // copy parents position
497 mWorldPosition.Set( updateBufferIndex, mParent->GetWorldPosition(updateBufferIndex) );
500 case DONT_INHERIT_POSITION :
502 // use local position as world position
503 mWorldPosition.Set( updateBufferIndex, mPosition[updateBufferIndex] );
510 * Copies the previous inherited position, if this changed in the previous frame.
511 * This method should be called instead of InheritWorldPosition i.e. if the inherited position
512 * does not need to be recalculated in the current frame.
513 * @param[in] updateBufferIndex The current update buffer index.
515 void CopyPreviousWorldPosition( BufferIndex updateBufferIndex )
517 mWorldPosition.CopyPrevious( updateBufferIndex );
521 * Retrieve the position of the node derived from the position of all its parents.
522 * @return The world position.
524 const Vector3& GetWorldPosition( BufferIndex bufferIndex ) const
526 return mWorldPosition[bufferIndex];
530 * Set the position inheritance mode.
531 * @see Dali::Actor::PositionInheritanceMode
532 * @param[in] mode The new position inheritance mode.
534 void SetPositionInheritanceMode( PositionInheritanceMode mode )
536 mPositionInheritanceMode = mode;
538 SetDirtyFlag(TransformFlag);
542 * @return The position inheritance mode.
544 PositionInheritanceMode GetPositionInheritanceMode() const
546 return mPositionInheritanceMode;
550 * Retrieve the local orientation of the node, relative to its parent.
551 * @param[in] bufferIndex The buffer to read from.
552 * @return The local orientation.
554 const Quaternion& GetOrientation(BufferIndex bufferIndex) const
556 return mOrientation[bufferIndex];
560 * Sets both the local & base orientations of the node.
561 * @param[in] updateBufferIndex The current update buffer index.
562 * @param[in] orientation The new local & base orientation.
564 void BakeOrientation(BufferIndex updateBufferIndex, const Quaternion& orientation)
566 mOrientation.Bake( updateBufferIndex, orientation );
570 * Sets the orientation of the node derived from the rotation of all its parents.
571 * @param[in] updateBufferIndex The current update buffer index.
572 * @param[in] orientation The world orientation.
574 void SetWorldOrientation( BufferIndex updateBufferIndex, const Quaternion& orientation )
576 mWorldOrientation.Set( updateBufferIndex, orientation );
580 * Sets the orientation of the node derived from the rotation of all its parents.
581 * This method should only be called when the parents world orientation is up-to-date.
582 * @pre The node has a parent.
583 * @param[in] updateBufferIndex The current update buffer index.
585 void InheritWorldOrientation( BufferIndex updateBufferIndex )
587 DALI_ASSERT_DEBUG(mParent != NULL);
589 const Quaternion& localOrientation = mOrientation[updateBufferIndex];
591 if(localOrientation.IsIdentity())
593 mWorldOrientation.Set( updateBufferIndex, mParent->GetWorldOrientation(updateBufferIndex) );
597 Quaternion finalOrientation( mParent->GetWorldOrientation(updateBufferIndex) );
598 finalOrientation *= localOrientation;
599 mWorldOrientation.Set( updateBufferIndex, finalOrientation );
604 * Copies the previous inherited orientation, if this changed in the previous frame.
605 * This method should be called instead of InheritWorldOrientation i.e. if the inherited orientation
606 * does not need to be recalculated in the current frame.
607 * @param[in] updateBufferIndex The current update buffer index.
609 void CopyPreviousWorldOrientation( BufferIndex updateBufferIndex )
611 mWorldOrientation.CopyPrevious( updateBufferIndex );
615 * Retrieve the orientation of the node derived from the rotation of all its parents.
616 * @param[in] bufferIndex The buffer to read from.
617 * @return The world rotation.
619 const Quaternion& GetWorldOrientation( BufferIndex bufferIndex ) const
621 return mWorldOrientation[bufferIndex];
625 * Set whether the Node inherits orientation.
626 * @param[in] inherit True if the parent orientation is inherited.
628 void SetInheritOrientation(bool inherit)
630 if (inherit != mInheritOrientation)
632 mInheritOrientation = inherit;
634 SetDirtyFlag(TransformFlag);
639 * Query whether the node inherits orientation from its parent.
640 * @return True if the parent orientation is inherited.
642 bool IsOrientationInherited() const
644 return mInheritOrientation;
648 * Retrieve the local scale of the node, relative to its parent.
649 * @param[in] bufferIndex The buffer to read from.
650 * @return The local scale.
652 const Vector3& GetScale(BufferIndex bufferIndex) const
654 return mScale[bufferIndex];
658 * Sets the scale of the node derived from the scale of all its parents and a pre-scale
659 * @param[in] updateBufferIndex The current update buffer index.
660 * @param[in] scale The world scale.
662 void SetWorldScale(BufferIndex updateBufferIndex, const Vector3& scale)
664 mWorldScale.Set( updateBufferIndex, scale );
668 * Sets the scale of the node derived from the scale of all its parents and a pre-scale.
669 * This method should only be called when the parents world scale is up-to-date.
670 * @pre The node has a parent.
671 * @param[in] updateBufferIndex The current update buffer index.
673 void InheritWorldScale(BufferIndex updateBufferIndex)
675 DALI_ASSERT_DEBUG(mParent != NULL);
677 mWorldScale.Set( updateBufferIndex, mParent->GetWorldScale(updateBufferIndex) * mScale[updateBufferIndex] );
681 * Copies the previous inherited scale, if this changed in the previous frame.
682 * This method should be called instead of InheritWorldScale i.e. if the inherited scale
683 * does not need to be recalculated in the current frame.
684 * @param[in] updateBufferIndex The current update buffer index.
686 void CopyPreviousWorldScale( BufferIndex updateBufferIndex )
688 mWorldScale.CopyPrevious( updateBufferIndex );
692 * Retrieve the scale of the node derived from the scale of all its parents.
693 * @param[in] bufferIndex The buffer to read from.
694 * @return The world scale.
696 const Vector3& GetWorldScale( BufferIndex bufferIndex ) const
698 return mWorldScale[bufferIndex];
702 * Set whether the Node inherits scale.
703 * @param inherit True if the Node inherits scale.
705 void SetInheritScale( bool inherit )
707 if( inherit != mInheritScale )
709 mInheritScale = inherit;
711 SetDirtyFlag( TransformFlag );
716 * Query whether the Node inherits scale.
717 * @return if scale is inherited
719 bool IsScaleInherited() const
721 return mInheritScale;
725 * Retrieve the visibility of the node.
726 * @param[in] bufferIndex The buffer to read from.
727 * @return True if the node is visible.
729 bool IsVisible(BufferIndex bufferIndex) const
731 return mVisible[bufferIndex];
735 * Retrieve the opacity of the node.
736 * @param[in] bufferIndex The buffer to read from.
737 * @return The opacity.
739 float GetOpacity(BufferIndex bufferIndex) const
741 return mColor[bufferIndex].a;
745 * Retrieve the color of the node.
746 * @param[in] bufferIndex The buffer to read from.
749 const Vector4& GetColor(BufferIndex bufferIndex) const
751 return mColor[bufferIndex];
755 * Sets the color of the node derived from the color of all its parents.
756 * @param[in] color The world color.
757 * @param[in] updateBufferIndex The current update buffer index.
759 void SetWorldColor(const Vector4& color, BufferIndex updateBufferIndex)
761 mWorldColor.Set( updateBufferIndex, color );
765 * Sets the color of the node derived from the color of all its parents.
766 * This method should only be called when the parents world color is up-to-date.
767 * @pre The node has a parent.
768 * @param[in] updateBufferIndex The current update buffer index.
770 void InheritWorldColor( BufferIndex updateBufferIndex )
772 DALI_ASSERT_DEBUG(mParent != NULL);
775 if( mColorMode == USE_OWN_MULTIPLY_PARENT_ALPHA )
777 const Vector4& ownColor = mColor[updateBufferIndex];
778 mWorldColor.Set( updateBufferIndex, ownColor.r, ownColor.g, ownColor.b, ownColor.a * mParent->GetWorldColor(updateBufferIndex).a );
780 else if( mColorMode == USE_OWN_MULTIPLY_PARENT_COLOR )
782 mWorldColor.Set( updateBufferIndex, mParent->GetWorldColor(updateBufferIndex) * mColor[updateBufferIndex] );
784 else if( mColorMode == USE_PARENT_COLOR )
786 mWorldColor.Set( updateBufferIndex, mParent->GetWorldColor(updateBufferIndex) );
788 else // USE_OWN_COLOR
790 mWorldColor.Set( updateBufferIndex, mColor[updateBufferIndex] );
795 * Copies the previous inherited scale, if this changed in the previous frame.
796 * This method should be called instead of InheritWorldScale i.e. if the inherited scale
797 * does not need to be recalculated in the current frame.
798 * @param[in] updateBufferIndex The current update buffer index.
800 void CopyPreviousWorldColor( BufferIndex updateBufferIndex )
802 mWorldColor.CopyPrevious( updateBufferIndex );
806 * Retrieve the color of the node, possibly derived from the color
807 * of all its parents, depending on the value of mColorMode.
808 * @param[in] bufferIndex The buffer to read from.
809 * @return The world color.
811 const Vector4& GetWorldColor(BufferIndex bufferIndex) const
813 return mWorldColor[bufferIndex];
817 * Set the color mode. This specifies whether the Node uses its own color,
818 * or inherits its parent color.
819 * @param[in] colorMode The new color mode.
821 void SetColorMode(ColorMode colorMode)
823 mColorMode = colorMode;
825 SetDirtyFlag(ColorFlag);
829 * Retrieve the color mode.
830 * @return The color mode.
832 ColorMode GetColorMode() const
838 * Retrieve the size of the node.
839 * @param[in] bufferIndex The buffer to read from.
842 const Vector3& GetSize(BufferIndex bufferIndex) const
844 return mSize[bufferIndex];
848 * Set the world-matrix of a node, with scale + rotation + translation.
849 * Scale and rotation are centered at the origin.
850 * Translation is applied independently of the scale or rotatation axis.
851 * @param[in] updateBufferIndex The current update buffer index.
852 * @param[in] scale The scale.
853 * @param[in] rotation The rotation.
854 * @param[in] translation The translation.
856 void SetWorldMatrix( BufferIndex updateBufferIndex, const Vector3& scale, const Quaternion& rotation, const Vector3& translation )
858 mWorldMatrix.Get( updateBufferIndex ).SetTransformComponents( scale, rotation, translation );
859 mWorldMatrix.SetDirty( updateBufferIndex );
863 * Retrieve the cached world-matrix of a node.
864 * @param[in] bufferIndex The buffer to read from.
865 * @return The world-matrix.
867 const Matrix& GetWorldMatrix( BufferIndex bufferIndex ) const
869 return mWorldMatrix[ bufferIndex ];
873 * Copy previous frames world matrix
874 * @param[in] updateBufferIndex The current update buffer index.
876 void CopyPreviousWorldMatrix( BufferIndex updateBufferIndex )
878 mWorldMatrix.CopyPrevious( updateBufferIndex );
882 * Mark the node as exclusive to a single RenderTask.
883 * @param[in] renderTask The render-task, or NULL if the Node is not exclusive to a single RenderTask.
885 void SetExclusiveRenderTask( RenderTask* renderTask )
887 mExclusiveRenderTask = renderTask;
891 * Query whether the node is exclusive to a single RenderTask.
892 * @return The render-task, or NULL if the Node is not exclusive to a single RenderTask.
894 RenderTask* GetExclusiveRenderTask() const
896 return mExclusiveRenderTask;
900 * Set how the Node and its children should be drawn; see Dali::Actor::SetDrawMode() for more details.
901 * @param[in] drawMode The new draw-mode to use.
903 void SetDrawMode( const DrawMode::Type& drawMode )
905 mDrawMode = drawMode;
909 * Returns whether node is an overlay or not.
910 * @return True if node is an overlay, false otherwise.
912 DrawMode::Type GetDrawMode() const
918 * Equality operator, checks for identity, not values.
921 bool operator==( const Node* rhs ) const
930 unsigned short GetDepth() const
937 * @copydoc UniformMap::Add
939 void AddUniformMapping( UniformPropertyMapping* map );
942 * @copydoc UniformMap::Remove
944 void RemoveUniformMapping( const std::string& uniformName );
947 * Prepare the node for rendering.
948 * This is called by the UpdateManager when an object is due to be rendered in the current frame.
949 * @param[in] updateBufferIndex The current update buffer index.
951 void PrepareRender( BufferIndex bufferIndex );
956 * Set the parent of a Node.
957 * @param[in] parentNode the new parent.
959 void SetParent(Node& parentNode);
962 * Protected constructor; See also Node::New()
966 private: // from NodeDataProvider
969 * @copydoc NodeDataProvider::GetModelMatrix
971 virtual const Matrix& GetModelMatrix( unsigned int bufferId ) const
973 return GetWorldMatrix( bufferId );
977 * @copydoc NodeDataProvider::GetRenderColor
979 virtual const Vector4& GetRenderColor( unsigned int bufferId ) const
981 return GetWorldColor( bufferId );
984 virtual const Vector3& GetRenderSize( unsigned int bufferId ) const
986 return GetSize( bufferId );
989 public: // From UniformMapDataProvider
991 * @copydoc UniformMapDataProvider::GetUniformMapChanged
993 virtual bool GetUniformMapChanged( BufferIndex bufferIndex ) const
995 return mUniformMapChanged[bufferIndex];
999 * @copydoc UniformMapDataProvider::GetUniformMap
1001 virtual const CollectedUniformMap& GetUniformMap( BufferIndex bufferIndex ) const
1003 return mCollectedUniformMap[bufferIndex];
1012 Node& operator=(const Node& rhs);
1015 * @copydoc Dali::Internal::SceneGraph::PropertyOwner::ResetDefaultProperties()
1017 virtual void ResetDefaultProperties( BufferIndex updateBufferIndex );
1020 * Recursive helper to disconnect a Node and its children.
1021 * Disconnected Nodes have no parent or children.
1022 * @param[in] updateBufferIndex The current update buffer index.
1023 * @param[in] connectedNodes Disconnected Node attachments should be removed from here.
1024 * @param[in] disconnectedNodes Disconnected Node attachments should be added here.
1026 void RecursiveDisconnectFromSceneGraph( BufferIndex updateBufferIndex, std::set<Node*>& connectedNodes, std::set<Node*>& disconnectedNodes );
1028 public: // Default properties
1030 PropertyVector3 mParentOrigin; ///< Local transform; the position is relative to this. Sets the TransformFlag dirty when changed
1031 PropertyVector3 mAnchorPoint; ///< Local transform; local center of rotation. Sets the TransformFlag dirty when changed
1033 AnimatableProperty<Vector3> mSize; ///< Size is provided for layouting
1034 AnimatableProperty<Vector3> mPosition; ///< Local transform; distance between parent-origin & anchor-point
1035 AnimatableProperty<Quaternion> mOrientation; ///< Local transform; rotation relative to parent node
1036 AnimatableProperty<Vector3> mScale; ///< Local transform; scale relative to parent node
1037 AnimatableProperty<bool> mVisible; ///< Visibility can be inherited from the Node hierachy
1038 AnimatableProperty<Vector4> mColor; ///< Color can be inherited from the Node hierarchy
1040 // Inherited properties; read-only from public API
1042 InheritedVector3 mWorldPosition; ///< Full inherited position
1043 InheritedQuaternion mWorldOrientation; ///< Full inherited orientation
1044 InheritedVector3 mWorldScale; ///< Full inherited scale
1045 InheritedMatrix mWorldMatrix; ///< Full inherited world matrix
1046 InheritedColor mWorldColor; ///< Full inherited color
1050 Node* mParent; ///< Pointer to parent node (a child is owned by its parent)
1051 RenderTask* mExclusiveRenderTask; ///< Nodes can be marked as exclusive to a single RenderTask
1053 NodeAttachmentOwner mAttachment; ///< Optional owned attachment
1054 RendererContainer mRenderer; ///< Container of renderers; not owned
1056 NodeContainer mChildren; ///< Container of children; not owned
1058 CollectedUniformMap mCollectedUniformMap[2]; ///< Uniform maps of the node
1059 unsigned int mUniformMapChanged[2]; ///< Records if the uniform map has been altered this frame
1060 unsigned int mRegenerateUniformMap : 2; ///< Indicate if the uniform map has to be regenerated this frame
1062 // flags, compressed to bitfield
1063 unsigned short mDepth: 12; ///< Depth in the hierarchy
1064 int mDirtyFlags:8; ///< A composite set of flags for each of the Node properties
1066 bool mIsRoot:1; ///< True if the node cannot have a parent
1067 bool mInheritOrientation:1; ///< Whether the parent's orientation should be inherited.
1068 bool mInheritScale:1; ///< Whether the parent's scale should be inherited.
1069 bool mIsActive:1; ///< When a Node is marked "active" it has been disconnected, and its properties have not been modified
1071 DrawMode::Type mDrawMode:2; ///< How the Node and its children should be drawn
1072 PositionInheritanceMode mPositionInheritanceMode:2;///< Determines how position is inherited, 2 bits is enough
1073 ColorMode mColorMode:2; ///< Determines whether mWorldColor is inherited, 2 bits is enough
1075 // Changes scope, should be at end of class
1076 DALI_LOG_OBJECT_STRING_DECLARATION;
1079 // Messages for Node
1081 inline void SetInheritOrientationMessage( EventThreadServices& eventThreadServices, const Node& node, bool inherit )
1083 typedef MessageValue1< Node, bool > LocalType;
1085 // Reserve some memory inside the message queue
1086 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1088 // Construct message in the message queue memory; note that delete should not be called on the return value
1089 new (slot) LocalType( &node, &Node::SetInheritOrientation, inherit );
1092 inline void SetParentOriginMessage( EventThreadServices& eventThreadServices, const Node& node, const Vector3& origin )
1094 typedef MessageValue1< Node, Vector3 > LocalType;
1096 // Reserve some memory inside the message queue
1097 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1099 // Construct message in the message queue memory; note that delete should not be called on the return value
1100 new (slot) LocalType( &node, &Node::SetParentOrigin, origin );
1103 inline void SetAnchorPointMessage( EventThreadServices& eventThreadServices, const Node& node, const Vector3& anchor )
1105 typedef MessageValue1< Node, Vector3 > LocalType;
1107 // Reserve some memory inside the message queue
1108 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1110 // Construct message in the message queue memory; note that delete should not be called on the return value
1111 new (slot) LocalType( &node, &Node::SetAnchorPoint, anchor );
1114 inline void SetPositionInheritanceModeMessage( EventThreadServices& eventThreadServices, const Node& node, PositionInheritanceMode mode )
1116 typedef MessageValue1< Node, PositionInheritanceMode > LocalType;
1118 // Reserve some memory inside the message queue
1119 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1121 // Construct message in the message queue memory; note that delete should not be called on the return value
1122 new (slot) LocalType( &node, &Node::SetPositionInheritanceMode, mode );
1125 inline void SetInheritScaleMessage( EventThreadServices& eventThreadServices, const Node& node, bool inherit )
1127 typedef MessageValue1< Node, bool > LocalType;
1129 // Reserve some memory inside the message queue
1130 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1132 // Construct message in the message queue memory; note that delete should not be called on the return value
1133 new (slot) LocalType( &node, &Node::SetInheritScale, inherit );
1136 inline void SetColorModeMessage( EventThreadServices& eventThreadServices, const Node& node, ColorMode colorMode )
1138 typedef MessageValue1< Node, ColorMode > LocalType;
1140 // Reserve some memory inside the message queue
1141 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1143 // Construct message in the message queue memory; note that delete should not be called on the return value
1144 new (slot) LocalType( &node, &Node::SetColorMode, colorMode );
1147 inline void SetDrawModeMessage( EventThreadServices& eventThreadServices, const Node& node, DrawMode::Type drawMode )
1149 typedef MessageValue1< Node, DrawMode::Type > LocalType;
1151 // Reserve some memory inside the message queue
1152 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1154 // Construct message in the message queue memory; note that delete should not be called on the return value
1155 new (slot) LocalType( &node, &Node::SetDrawMode, drawMode );
1158 inline void AddRendererMessage( EventThreadServices& eventThreadServices, const Node& node, Renderer* renderer )
1160 typedef MessageValue1< Node, Renderer* > LocalType;
1162 // Reserve some memory inside the message queue
1163 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1165 // Construct message in the message queue memory; note that delete should not be called on the return value
1166 new (slot) LocalType( &node, &Node::AddRenderer, renderer );
1169 inline void RemoveRendererMessage( EventThreadServices& eventThreadServices, const Node& node, Renderer* renderer )
1171 typedef MessageValue1< Node, Renderer* > LocalType;
1173 // Reserve some memory inside the message queue
1174 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
1176 // Construct message in the message queue memory; note that delete should not be called on the return value
1177 new (slot) LocalType( &node, &Node::RemoveRenderer, renderer );
1179 } // namespace SceneGraph
1181 } // namespace Internal
1185 #endif // __DALI_INTERNAL_SCENE_GRAPH_NODE_H_