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Fix crash on root motion extraction if source animation has no valid root node animated

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#746
This commit is contained in:
Wojtek Figat
2022-09-12 14:48:08 +02:00
parent 2c4d578f7c
commit 8694bd6af9
1 changed files with 3 additions and 5 deletions
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8
Source/Engine/Animations/Graph/AnimGroup.Animation.cpp
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@@ -42,12 +42,10 @@ int32 AnimGraphExecutor::GetRootNodeIndex(Animation* anim)
void AnimGraphExecutor::ExtractRootMotion(const Animation::NodeToChannel* mapping, int32 rootNodeIndex, Animation* anim, float pos, float prevPos, Transform& rootNode, RootMotionData& rootMotion) void AnimGraphExecutor::ExtractRootMotion(const Animation::NodeToChannel* mapping, int32 rootNodeIndex, Animation* anim, float pos, float prevPos, Transform& rootNode, RootMotionData& rootMotion)
{ {
const Transform refPose = GetEmptyNodes()->Nodes[rootNodeIndex]; const Transform& refPose = GetEmptyNodes()->Nodes[rootNodeIndex];
if (_rootMotionMode == RootMotionMode::Enable) const int32 nodeToChannel = mapping->At(rootNodeIndex);
if (_rootMotionMode == RootMotionMode::Enable && nodeToChannel != -1)
{ {
const int32 nodeToChannel = mapping->At(rootNodeIndex);
ASSERT_LOW_LAYER(nodeToChannel != -1);
// Get the root bone transformation // Get the root bone transformation
Transform rootBefore = refPose; Transform rootBefore = refPose;
const NodeAnimationData& rootChannel = anim->Data.Channels[nodeToChannel]; const NodeAnimationData& rootChannel = anim->Data.Channels[nodeToChannel];