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Diffstat (limited to 'modules/fbx/fbx_parser/FBXAnimation.cpp')
| -rw-r--r-- | modules/fbx/fbx_parser/FBXAnimation.cpp | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/modules/fbx/fbx_parser/FBXAnimation.cpp b/modules/fbx/fbx_parser/FBXAnimation.cpp new file mode 100644 index 0000000000..8c43aac8f6 --- /dev/null +++ b/modules/fbx/fbx_parser/FBXAnimation.cpp @@ -0,0 +1,273 @@ +/*************************************************************************/ +/* FBXAnimation.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +/* +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. + +---------------------------------------------------------------------- +*/ + +/** @file FBXAnimation.cpp + * @brief Assimp::FBX::AnimationCurve, Assimp::FBX::AnimationCurveNode, + * Assimp::FBX::AnimationLayer, Assimp::FBX::AnimationStack + */ + +#include "FBXCommon.h" +#include "FBXDocument.h" +#include "FBXDocumentUtil.h" +#include "FBXParser.h" + +namespace FBXDocParser { + +using namespace Util; + +// ------------------------------------------------------------------------------------------------ +AnimationCurve::AnimationCurve(uint64_t id, const ElementPtr element, const std::string &name, const Document & /*doc*/) : + Object(id, element, name) { + const ScopePtr sc = GetRequiredScope(element); + const ElementPtr KeyTime = GetRequiredElement(sc, "KeyTime"); + const ElementPtr KeyValueFloat = GetRequiredElement(sc, "KeyValueFloat"); + + // note preserved keys and values for legacy FBXConverter.cpp + // we can remove this once the animation system is written + // and clean up this code so we do not have copies everywhere. + 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); + } + + // put the two lists into the map, underlying container is really just a dictionary + // these will always match, if not an error will throw and the file will not import + // this is useful because we then can report something and fix this later if it becomes an issue + // at this point we do not need a different count of these elements so this makes the + // most sense to do. + for (size_t x = 0; x < keys.size(); x++) { + keyvalues[keys[x]] = values[x]; + } + + const ElementPtr KeyAttrDataFloat = sc->GetElement("KeyAttrDataFloat"); + if (KeyAttrDataFloat) { + ParseVectorDataArray(attributes, KeyAttrDataFloat); + } + + const ElementPtr KeyAttrFlags = sc->GetElement("KeyAttrFlags"); + if (KeyAttrFlags) { + ParseVectorDataArray(flags, KeyAttrFlags); + } +} + +// ------------------------------------------------------------------------------------------------ +AnimationCurve::~AnimationCurve() { + // empty +} + +// ------------------------------------------------------------------------------------------------ +AnimationCurveNode::AnimationCurveNode(uint64_t id, const ElementPtr 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) { + // 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; + } + + Object *object = con->DestinationObject(); + + if (!object) { + DOMWarning("failed to read destination object for AnimationCurveNode->Model link, ignoring", element); + continue; + } + + target = object; + prop = con->PropertyName(); + break; + } +} + +// ------------------------------------------------------------------------------------------------ +AnimationCurveNode::~AnimationCurveNode() { + curves.clear(); +} + +// ------------------------------------------------------------------------------------------------ +const AnimationMap &AnimationCurveNode::Curves() const { + /* Lazy loaded animation curves, will only load if required */ + if (curves.empty()) { + // resolve attached animation curves + const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(ID(), "AnimationCurve"); + + for (const Connection *con : conns) { + // So the advantage of having this STL boilerplate is that it's dead simple once you get it. + // The other advantage is casting is guaranteed to be safe and nullptr will be returned in the last step if it fails. + Object *ob = con->SourceObject(); + AnimationCurve *anim_curve = dynamic_cast<AnimationCurve *>(ob); + ERR_CONTINUE_MSG(!anim_curve, "Failed to convert animation curve from object"); + + curves.insert(std::make_pair(con->PropertyName(), anim_curve)); + } + } + + return curves; +} + +// ------------------------------------------------------------------------------------------------ +AnimationLayer::AnimationLayer(uint64_t id, const ElementPtr element, const std::string &name, const Document &doc) : + Object(id, element, name), doc(doc) { +} + +// ------------------------------------------------------------------------------------------------ +AnimationLayer::~AnimationLayer() { + // empty +} + +// ------------------------------------------------------------------------------------------------ +const AnimationCurveNodeList AnimationLayer::Nodes(const char *const *target_prop_whitelist, + 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; + } + + Object *ob = con->SourceObject(); + + if (!ob) { + DOMWarning("failed to read source object for AnimationCurveNode->AnimationLayer link, ignoring", element); + continue; + } + + const AnimationCurveNode *anim = dynamic_cast<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; +} + +// ------------------------------------------------------------------------------------------------ +AnimationStack::AnimationStack(uint64_t id, const ElementPtr element, const std::string &name, const Document &doc) : + Object(id, element, name) { + // 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; + } + + Object *ob = con->SourceObject(); + if (!ob) { + DOMWarning("failed to read source object for AnimationLayer->AnimationStack link, ignoring", element); + continue; + } + + const AnimationLayer *anim = dynamic_cast<const AnimationLayer *>(ob); + + if (!anim) { + DOMWarning("source object for ->AnimationStack link is not an AnimationLayer", element); + continue; + } + + layers.push_back(anim); + } +} + +// ------------------------------------------------------------------------------------------------ +AnimationStack::~AnimationStack() { +} +} // namespace FBXDocParser |