diff options
Diffstat (limited to 'src/animation/AnimBlendNode.cpp')
| -rw-r--r-- | src/animation/AnimBlendNode.cpp | 172 |
1 files changed, 163 insertions, 9 deletions
diff --git a/src/animation/AnimBlendNode.cpp b/src/animation/AnimBlendNode.cpp index df6cd1d5..6352c11b 100644 --- a/src/animation/AnimBlendNode.cpp +++ b/src/animation/AnimBlendNode.cpp @@ -46,6 +46,44 @@ CAnimBlendNode::Update(CVector &trans, CQuaternion &rot, float weight) } bool +CAnimBlendNode::UpdateCompressed(CVector &trans, CQuaternion &rot, float weight) +{ + bool looped = false; + + trans = CVector(0.0f, 0.0f, 0.0f); + rot = CQuaternion(0.0f, 0.0f, 0.0f, 0.0f); + + if(association->IsRunning()){ + remainingTime -= association->timeStep; + if(remainingTime <= 0.0f) + looped = NextKeyFrameCompressed(); + } + + float blend = association->GetBlendAmount(weight); + if(blend > 0.0f){ + KeyFrameTransCompressed *kfA = (KeyFrameTransCompressed*)sequence->GetKeyFrameCompressed(frameA); + KeyFrameTransCompressed *kfB = (KeyFrameTransCompressed*)sequence->GetKeyFrameCompressed(frameB); + float t = kfA->deltaTime == 0 ? 0.0f : (kfA->GetDeltaTime() - remainingTime)/kfA->GetDeltaTime(); + if(sequence->type & CAnimBlendSequence::KF_TRANS){ + CVector transA, transB; + kfA->GetTranslation(&transA); + kfB->GetTranslation(&transB); + trans = transB + t*(transA - transB); + trans *= blend; + } + if(sequence->type & CAnimBlendSequence::KF_ROT){ + CQuaternion rotA, rotB; + kfA->GetRotation(&rotA); + kfB->GetRotation(&rotB); + rot.Slerp(rotB, rotA, theta, invSin, t); + rot *= blend; + } + } + + return looped; +} + +bool CAnimBlendNode::NextKeyFrame(void) { bool looped; @@ -82,6 +120,43 @@ CAnimBlendNode::NextKeyFrame(void) return looped; } +bool +CAnimBlendNode::NextKeyFrameCompressed(void) +{ + bool looped; + + if(sequence->numFrames <= 1) + return false; + + looped = false; + frameB = frameA; + + // Advance as long as we have to + while(remainingTime <= 0.0f){ + frameA++; + + if(frameA >= sequence->numFrames){ + // reached end of animation + if(!association->IsRepeating()){ + frameA--; + remainingTime = 0.0f; + return false; + } + looped = true; + frameA = 0; + } + + remainingTime += sequence->GetKeyFrameCompressed(frameA)->GetDeltaTime(); + } + + frameB = frameA - 1; + if(frameB < 0) + frameB += sequence->numFrames; + + CalcDeltasCompressed(); + return looped; +} + // Set animation to time t bool CAnimBlendNode::FindKeyFrame(float t) @@ -92,20 +167,22 @@ CAnimBlendNode::FindKeyFrame(float t) frameA = 0; frameB = frameA; - if(sequence->numFrames >= 2){ - frameA++; - + if(sequence->numFrames == 1){ + remainingTime = 0.0f; + }else{ // advance until t is between frameB and frameA - while(t > sequence->GetKeyFrame(frameA)->deltaTime){ + while (t > sequence->GetKeyFrame(++frameA)->deltaTime) { t -= sequence->GetKeyFrame(frameA)->deltaTime; - frameB = frameA++; - if(frameA >= sequence->numFrames){ + if (frameA + 1 >= sequence->numFrames) { // reached end of animation - if(!association->IsRepeating()) + if (!association->IsRepeating()) { + CalcDeltas(); + remainingTime = 0.0f; return false; + } frameA = 0; - frameB = 0; } + frameB = frameA; } remainingTime = sequence->GetKeyFrame(frameA)->deltaTime - t; @@ -115,6 +192,25 @@ CAnimBlendNode::FindKeyFrame(float t) return true; } +bool +CAnimBlendNode::SetupKeyFrameCompressed(void) +{ + if(sequence->numFrames < 1) + return false; + + frameA = 1; + frameB = 0; + + if(sequence->numFrames == 1){ + frameA = 0; + remainingTime = 0.0f; + }else + remainingTime = sequence->GetKeyFrameCompressed(frameA)->GetDeltaTime(); + + CalcDeltasCompressed(); + return true; +} + void CAnimBlendNode::CalcDeltas(void) { @@ -130,6 +226,28 @@ CAnimBlendNode::CalcDeltas(void) } void +CAnimBlendNode::CalcDeltasCompressed(void) +{ + if((sequence->type & CAnimBlendSequence::KF_ROT) == 0) + return; + KeyFrameCompressed *kfA = sequence->GetKeyFrameCompressed(frameA); + KeyFrameCompressed *kfB = sequence->GetKeyFrameCompressed(frameB); + CQuaternion rotA, rotB; + kfA->GetRotation(&rotA); + kfB->GetRotation(&rotB); + float cos = DotProduct(rotA, rotB); + if(cos < 0.0f){ + rotB *= -1.0f; + kfB->SetRotation(rotB); + } + cos = DotProduct(rotA, rotB); + if(cos > 1.0f) + cos = 1.0f; + theta = Acos(cos); + invSin = theta == 0.0f ? 0.0f : 1.0f/Sin(theta); +} + +void CAnimBlendNode::GetCurrentTranslation(CVector &trans, float weight) { trans = CVector(0.0f, 0.0f, 0.0f); @@ -138,7 +256,7 @@ CAnimBlendNode::GetCurrentTranslation(CVector &trans, float weight) if(blend > 0.0f){ KeyFrameTrans *kfA = (KeyFrameTrans*)sequence->GetKeyFrame(frameA); KeyFrameTrans *kfB = (KeyFrameTrans*)sequence->GetKeyFrame(frameB); - float t = (kfA->deltaTime - remainingTime)/kfA->deltaTime; + float t = kfA->deltaTime == 0.0f ? 0.0f : (kfA->deltaTime - remainingTime)/kfA->deltaTime; if(sequence->type & CAnimBlendSequence::KF_TRANS){ trans = kfB->translation + t*(kfA->translation - kfB->translation); trans *= blend; @@ -147,6 +265,26 @@ CAnimBlendNode::GetCurrentTranslation(CVector &trans, float weight) } void +CAnimBlendNode::GetCurrentTranslationCompressed(CVector &trans, float weight) +{ + trans = CVector(0.0f, 0.0f, 0.0f); + + float blend = association->GetBlendAmount(weight); + if(blend > 0.0f){ + KeyFrameTransCompressed *kfA = (KeyFrameTransCompressed*)sequence->GetKeyFrameCompressed(frameA); + KeyFrameTransCompressed *kfB = (KeyFrameTransCompressed*)sequence->GetKeyFrameCompressed(frameB); + float t = kfA->deltaTime == 0 ? 0.0f : (kfA->GetDeltaTime() - remainingTime)/kfA->GetDeltaTime(); + if(sequence->type & CAnimBlendSequence::KF_TRANS){ + CVector transA, transB; + kfA->GetTranslation(&transA); + kfB->GetTranslation(&transB); + trans = transB + t*(transA - transB); + trans *= blend; + } + } +} + +void CAnimBlendNode::GetEndTranslation(CVector &trans, float weight) { trans = CVector(0.0f, 0.0f, 0.0f); @@ -158,3 +296,19 @@ CAnimBlendNode::GetEndTranslation(CVector &trans, float weight) trans = kf->translation * blend; } } + +void +CAnimBlendNode::GetEndTranslationCompressed(CVector &trans, float weight) +{ + trans = CVector(0.0f, 0.0f, 0.0f); + + float blend = association->GetBlendAmount(weight); + if(blend > 0.0f){ + KeyFrameTransCompressed *kf = (KeyFrameTransCompressed*)sequence->GetKeyFrameCompressed(sequence->numFrames-1); + if(sequence->type & CAnimBlendSequence::KF_TRANS){ + CVector pos; + kf->GetTranslation(&pos); + trans = pos * blend; + } + } +} |