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- /*
- Open Asset Import Library (assimp)
- ----------------------------------------------------------------------
- Copyright (c) 2006-2025, 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.
- ----------------------------------------------------------------------
- */
- /** @file FBXAnimation.cpp
- * @brief Assimp::FBX::AnimationCurve, Assimp::FBX::AnimationCurveNode,
- * Assimp::FBX::AnimationLayer, Assimp::FBX::AnimationStack
- */
- #ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
- #include "FBXDocument.h"
- #include "FBXDocumentUtil.h"
- #include "FBXImporter.h"
- #include "FBXParser.h"
- namespace Assimp {
- namespace FBX {
- using namespace Util;
- // ------------------------------------------------------------------------------------------------
- AnimationCurve::AnimationCurve(uint64_t id, const Element &element, const std::string &name, const Document & /*doc*/) :
- Object(id, element, name) {
- const Scope &sc = GetRequiredScope(element);
- const Element &KeyTime = GetRequiredElement(sc, "KeyTime");
- const Element &KeyValueFloat = GetRequiredElement(sc, "KeyValueFloat");
- ParseVectorDataArray(keys, KeyTime);
- ParseVectorDataArray(values, KeyValueFloat);
- if (keys.size() != values.size()) {
- DOMError("the number of key times does not match the number of keyframe values", &KeyTime);
- }
- // check if the key times are well-ordered
- if (!std::equal(keys.begin(), keys.end() - 1, keys.begin() + 1, std::less<KeyTimeList::value_type>())) {
- DOMError("the keyframes are not in ascending order", &KeyTime);
- }
- const Element *KeyAttrDataFloat = sc["KeyAttrDataFloat"];
- if (KeyAttrDataFloat) {
- ParseVectorDataArray(attributes, *KeyAttrDataFloat);
- }
- const Element *KeyAttrFlags = sc["KeyAttrFlags"];
- if (KeyAttrFlags) {
- ParseVectorDataArray(flags, *KeyAttrFlags);
- }
- }
- // ------------------------------------------------------------------------------------------------
- AnimationCurveNode::AnimationCurveNode(uint64_t id, const Element &element, const std::string &name,
- const Document &doc, const char *const *target_prop_whitelist /*= nullptr*/,
- size_t whitelist_size /*= 0*/) :
- Object(id, element, name), target(), doc(doc) {
- const Scope &sc = GetRequiredScope(element);
- // find target node
- const char *whitelist[] = { "Model", "NodeAttribute", "Deformer" };
- const std::vector<const Connection *> &conns = doc.GetConnectionsBySourceSequenced(ID(), whitelist, 3);
- for (const Connection *con : conns) {
- // link should go for a property
- if (!con->PropertyName().length()) {
- continue;
- }
- if (target_prop_whitelist) {
- const char *const s = con->PropertyName().c_str();
- bool ok = false;
- for (size_t i = 0; i < whitelist_size; ++i) {
- if (!strcmp(s, target_prop_whitelist[i])) {
- ok = true;
- break;
- }
- }
- if (!ok) {
- throw std::range_error("AnimationCurveNode target property is not in whitelist");
- }
- }
- const Object *const ob = con->DestinationObject();
- if (!ob) {
- DOMWarning("failed to read destination object for AnimationCurveNode->Model link, ignoring", &element);
- continue;
- }
- target = ob;
- if (!target) {
- continue;
- }
- prop = con->PropertyName();
- break;
- }
- if (!target) {
- DOMWarning("failed to resolve target Model/NodeAttribute/Constraint for AnimationCurveNode", &element);
- }
- props = GetPropertyTable(doc, "AnimationCurveNode.FbxAnimCurveNode", element, sc, false);
- }
- // ------------------------------------------------------------------------------------------------
- const AnimationCurveMap &AnimationCurveNode::Curves() const {
- if (!curves.empty()) {
- return curves;
- }
- // resolve attached animation curves
- const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(ID(), "AnimationCurve");
- for (const Connection *con : conns) {
- // link should go for a property
- if (!con->PropertyName().length()) {
- continue;
- }
- const Object *const ob = con->SourceObject();
- if (nullptr == ob) {
- DOMWarning("failed to read source object for AnimationCurve->AnimationCurveNode link, ignoring", &element);
- continue;
- }
- const AnimationCurve *const anim = dynamic_cast<const AnimationCurve *>(ob);
- if (nullptr == anim) {
- DOMWarning("source object for ->AnimationCurveNode link is not an AnimationCurve", &element);
- continue;
- }
- curves[con->PropertyName()] = anim;
- }
- return curves;
- }
- // ------------------------------------------------------------------------------------------------
- AnimationLayer::AnimationLayer(uint64_t id, const Element &element, const std::string &name, const Document &doc) :
- Object(id, element, name), doc(doc) {
- const Scope &sc = GetRequiredScope(element);
- // note: the props table here bears little importance and is usually absent
- props = GetPropertyTable(doc, "AnimationLayer.FbxAnimLayer", element, sc, true);
- }
- // ------------------------------------------------------------------------------------------------
- AnimationCurveNodeList AnimationLayer::Nodes(const char *const *target_prop_whitelist /*= nullptr*/,
- size_t whitelist_size /*= 0*/) const {
- AnimationCurveNodeList nodes;
- // resolve attached animation nodes
- const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(ID(), "AnimationCurveNode");
- nodes.reserve(conns.size());
- for (const Connection *con : conns) {
- // link should not go to a property
- if (con->PropertyName().length()) {
- continue;
- }
- const Object *const ob = con->SourceObject();
- if (!ob) {
- DOMWarning("failed to read source object for AnimationCurveNode->AnimationLayer link, ignoring", &element);
- continue;
- }
- const AnimationCurveNode *const anim = dynamic_cast<const AnimationCurveNode *>(ob);
- if (!anim) {
- DOMWarning("source object for ->AnimationLayer link is not an AnimationCurveNode", &element);
- continue;
- }
- if (target_prop_whitelist) {
- const char *s = anim->TargetProperty().c_str();
- bool ok = false;
- for (size_t i = 0; i < whitelist_size; ++i) {
- if (!strcmp(s, target_prop_whitelist[i])) {
- ok = true;
- break;
- }
- }
- if (!ok) {
- continue;
- }
- }
- nodes.push_back(anim);
- }
- return nodes; // pray for NRVO
- }
- // ------------------------------------------------------------------------------------------------
- AnimationStack::AnimationStack(uint64_t id, const Element &element, const std::string &name, const Document &doc) :
- Object(id, element, name) {
- const Scope &sc = GetRequiredScope(element);
- // note: we don't currently use any of these properties so we shouldn't bother if it is missing
- props = GetPropertyTable(doc, "AnimationStack.FbxAnimStack", element, sc, true);
- // resolve attached animation layers
- const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(ID(), "AnimationLayer");
- layers.reserve(conns.size());
- for (const Connection *con : conns) {
- // link should not go to a property
- if (con->PropertyName().length()) {
- continue;
- }
- const Object *const ob = con->SourceObject();
- if (!ob) {
- DOMWarning("failed to read source object for AnimationLayer->AnimationStack link, ignoring", &element);
- continue;
- }
- const AnimationLayer *const anim = dynamic_cast<const AnimationLayer *>(ob);
- if (!anim) {
- DOMWarning("source object for ->AnimationStack link is not an AnimationLayer", &element);
- continue;
- }
- layers.push_back(anim);
- }
- }
- } // namespace FBX
- } // namespace Assimp
- #endif // ASSIMP_BUILD_NO_FBX_IMPORTER
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