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Diffstat (limited to 'thirdparty/assimp/code/Common/TargetAnimation.cpp')
| -rw-r--r-- | thirdparty/assimp/code/Common/TargetAnimation.cpp | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/thirdparty/assimp/code/Common/TargetAnimation.cpp b/thirdparty/assimp/code/Common/TargetAnimation.cpp deleted file mode 100644 index b8062499ff..0000000000 --- a/thirdparty/assimp/code/Common/TargetAnimation.cpp +++ /dev/null @@ -1,248 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2019, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#include "TargetAnimation.h" -#include <algorithm> -#include <assimp/ai_assert.h> - -using namespace Assimp; - - -// ------------------------------------------------------------------------------------------------ -KeyIterator::KeyIterator(const std::vector<aiVectorKey>* _objPos, - const std::vector<aiVectorKey>* _targetObjPos, - const aiVector3D* defaultObjectPos /*= NULL*/, - const aiVector3D* defaultTargetPos /*= NULL*/) - - : reachedEnd (false) - , curTime (-1.) - , objPos (_objPos) - , targetObjPos (_targetObjPos) - , nextObjPos (0) - , nextTargetObjPos(0) -{ - // Generate default transformation tracks if necessary - if (!objPos || objPos->empty()) - { - defaultObjPos.resize(1); - defaultObjPos.front().mTime = 10e10; - - if (defaultObjectPos) - defaultObjPos.front().mValue = *defaultObjectPos; - - objPos = & defaultObjPos; - } - if (!targetObjPos || targetObjPos->empty()) - { - defaultTargetObjPos.resize(1); - defaultTargetObjPos.front().mTime = 10e10; - - if (defaultTargetPos) - defaultTargetObjPos.front().mValue = *defaultTargetPos; - - targetObjPos = & defaultTargetObjPos; - } -} - -// ------------------------------------------------------------------------------------------------ -template <class T> -inline T Interpolate(const T& one, const T& two, ai_real val) -{ - return one + (two-one)*val; -} - -// ------------------------------------------------------------------------------------------------ -void KeyIterator::operator ++() -{ - // If we are already at the end of all keyframes, return - if (reachedEnd) { - return; - } - - // Now search in all arrays for the time value closest - // to our current position on the time line - double d0,d1; - - d0 = objPos->at ( std::min ( nextObjPos, static_cast<unsigned int>(objPos->size()-1)) ).mTime; - d1 = targetObjPos->at( std::min ( nextTargetObjPos, static_cast<unsigned int>(targetObjPos->size()-1)) ).mTime; - - // Easiest case - all are identical. In this - // case we don't need to interpolate so we can - // return earlier - if ( d0 == d1 ) - { - curTime = d0; - curPosition = objPos->at(nextObjPos).mValue; - curTargetPosition = targetObjPos->at(nextTargetObjPos).mValue; - - // increment counters - if (objPos->size() != nextObjPos-1) - ++nextObjPos; - - if (targetObjPos->size() != nextTargetObjPos-1) - ++nextTargetObjPos; - } - - // An object position key is closest to us - else if (d0 < d1) - { - curTime = d0; - - // interpolate the other - if (1 == targetObjPos->size() || !nextTargetObjPos) { - curTargetPosition = targetObjPos->at(0).mValue; - } - else - { - const aiVectorKey& last = targetObjPos->at(nextTargetObjPos); - const aiVectorKey& first = targetObjPos->at(nextTargetObjPos-1); - - curTargetPosition = Interpolate(first.mValue, last.mValue, (ai_real) ( - (curTime-first.mTime) / (last.mTime-first.mTime) )); - } - - if (objPos->size() != nextObjPos-1) - ++nextObjPos; - } - // A target position key is closest to us - else - { - curTime = d1; - - // interpolate the other - if (1 == objPos->size() || !nextObjPos) { - curPosition = objPos->at(0).mValue; - } - else - { - const aiVectorKey& last = objPos->at(nextObjPos); - const aiVectorKey& first = objPos->at(nextObjPos-1); - - curPosition = Interpolate(first.mValue, last.mValue, (ai_real) ( - (curTime-first.mTime) / (last.mTime-first.mTime))); - } - - if (targetObjPos->size() != nextTargetObjPos-1) - ++nextTargetObjPos; - } - - if (nextObjPos >= objPos->size()-1 && - nextTargetObjPos >= targetObjPos->size()-1) - { - // We reached the very last keyframe - reachedEnd = true; - } -} - -// ------------------------------------------------------------------------------------------------ -void TargetAnimationHelper::SetTargetAnimationChannel ( - const std::vector<aiVectorKey>* _targetPositions) -{ - ai_assert(NULL != _targetPositions); - targetPositions = _targetPositions; -} - -// ------------------------------------------------------------------------------------------------ -void TargetAnimationHelper::SetMainAnimationChannel ( - const std::vector<aiVectorKey>* _objectPositions) -{ - ai_assert(NULL != _objectPositions); - objectPositions = _objectPositions; -} - -// ------------------------------------------------------------------------------------------------ -void TargetAnimationHelper::SetFixedMainAnimationChannel( - const aiVector3D& fixed) -{ - objectPositions = NULL; // just to avoid confusion - fixedMain = fixed; -} - -// ------------------------------------------------------------------------------------------------ -void TargetAnimationHelper::Process(std::vector<aiVectorKey>* distanceTrack) -{ - ai_assert(NULL != targetPositions && NULL != distanceTrack); - - // TODO: in most cases we won't need the extra array - std::vector<aiVectorKey> real; - - std::vector<aiVectorKey>* fill = (distanceTrack == objectPositions ? &real : distanceTrack); - fill->reserve(std::max( objectPositions->size(), targetPositions->size() )); - - // Iterate through all object keys and interpolate their values if necessary. - // Then get the corresponding target position, compute the difference - // vector between object and target position. Then compute a rotation matrix - // that rotates the base vector of the object coordinate system at that time - // to match the diff vector. - - KeyIterator iter(objectPositions,targetPositions,&fixedMain); - for (;!iter.Finished();++iter) - { - const aiVector3D& position = iter.GetCurPosition(); - const aiVector3D& tposition = iter.GetCurTargetPosition(); - - // diff vector - aiVector3D diff = tposition - position; - ai_real f = diff.Length(); - - // output distance vector - if (f) - { - fill->push_back(aiVectorKey()); - aiVectorKey& v = fill->back(); - v.mTime = iter.GetCurTime(); - v.mValue = diff; - - diff /= f; - } - else - { - // FIXME: handle this - } - - // diff is now the vector in which our camera is pointing - } - - if (real.size()) { - *distanceTrack = real; - } -} |