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Diffstat (limited to 'src/animation/backend/clipblendnode.cpp')
| -rw-r--r-- | src/animation/backend/clipblendnode.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/animation/backend/clipblendnode.cpp b/src/animation/backend/clipblendnode.cpp index 18d57b0c7..f22df7b74 100644 --- a/src/animation/backend/clipblendnode.cpp +++ b/src/animation/backend/clipblendnode.cpp @@ -200,6 +200,34 @@ ClipResults ClipBlendNode::clipResults(Qt3DCore::QNodeId animatorId) const evaluated in one pass, and the tree in a subsequent pass. */ +/*! + \internal + + Fetches the ClipResults from the nodes listed in the dependencyIds + and passes them to the doBlend() virtual function which should be + implemented in subclasses to perform the actual blend operation. + The results are then inserted into the clip results for this blend + node indexed by the \a animatorId. +*/ +void ClipBlendNode::performBlend(Qt3DCore::QNodeId animatorId) +{ + // Obtain the clip results from each of the dependencies + const QVector<Qt3DCore::QNodeId> dependencyNodeIds = dependencyIds(); + const int dependencyCount = dependencyNodeIds.size(); + QVector<ClipResults> blendData; + blendData.reserve(dependencyCount); + for (const auto dependencyId : dependencyNodeIds) { + ClipBlendNode *dependencyNode = clipBlendNodeManager()->lookupNode(dependencyId); + ClipResults blendDataElement = dependencyNode->clipResults(animatorId); + blendData.push_back(blendDataElement); + } + + // Ask the blend node to perform the actual blend operation on the data + // from the dependencies + ClipResults blendedResults = doBlend(blendData); + setClipResults(animatorId, blendedResults); +} + } // Animation } // Qt3DAnimation |