/*************************************************************************/ /* FBXDeformer.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. 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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 FBXNoteAttribute.cpp * @brief Assimp::FBX::NodeAttribute (and subclasses) implementation */ #include "FBXDocument.h" #include "FBXDocumentUtil.h" #include "FBXMeshGeometry.h" #include "FBXParser.h" #include "core/math/math_funcs.h" #include "core/math/transform.h" #include namespace FBXDocParser { using namespace Util; // ------------------------------------------------------------------------------------------------ Deformer::Deformer(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) : Object(id, element, name) { const ScopePtr sc = GetRequiredScope(element); const std::string &classname = ParseTokenAsString(GetRequiredToken(element, 2)); props = GetPropertyTable(doc, "Deformer.Fbx" + classname, element, sc, true); } // ------------------------------------------------------------------------------------------------ Deformer::~Deformer() { } Constraint::Constraint(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) : Object(id, element, name) { const ScopePtr sc = GetRequiredScope(element); const std::string &classname = ParseTokenAsString(GetRequiredToken(element, 2)); // used something.fbx as this is a cache name. props = GetPropertyTable(doc, "Something.Fbx" + classname, element, sc, true); } Constraint::~Constraint() { } // ------------------------------------------------------------------------------------------------ Cluster::Cluster(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) : Deformer(id, element, doc, name), valid_transformAssociateModel(false) { const ScopePtr sc = GetRequiredScope(element); // for( auto element : sc.Elements()) // { // std::cout << "cluster element: " << element.first << std::endl; // } // // element: Indexes // element: Transform // element: TransformAssociateModel // element: TransformLink // element: UserData // element: Version // element: Weights const ElementPtr Indexes = sc->GetElement("Indexes"); const ElementPtr Weights = sc->GetElement("Weights"); const ElementPtr TransformAssociateModel = sc->GetElement("TransformAssociateModel"); if (TransformAssociateModel != nullptr) { //Transform t = ReadMatrix(*TransformAssociateModel); link_mode = SkinLinkMode_Additive; valid_transformAssociateModel = true; } else { link_mode = SkinLinkMode_Normalized; valid_transformAssociateModel = false; } const ElementPtr Transform = GetRequiredElement(sc, "Transform", element); const ElementPtr TransformLink = GetRequiredElement(sc, "TransformLink", element); // todo: check if we need this //const Element& TransformAssociateModel = GetRequiredElement(sc, "TransformAssociateModel", &element); transform = ReadMatrix(Transform); transformLink = ReadMatrix(TransformLink); // it is actually possible that there be Deformer's with no weights if (!!Indexes != !!Weights) { DOMError("either Indexes or Weights are missing from Cluster", element); } if (Indexes) { ParseVectorDataArray(indices, Indexes); ParseVectorDataArray(weights, Weights); } if (indices.size() != weights.size()) { DOMError("sizes of index and weight array don't match up", element); } // read assigned node const std::vector &conns = doc.GetConnectionsByDestinationSequenced(ID(), "Model"); for (const Connection *con : conns) { const Model *mod = ProcessSimpleConnection(*con, false, "Model -> Cluster", element); if (mod) { node = mod; break; } } if (!node) { DOMError("failed to read target Node for Cluster", element); node = nullptr; } } // ------------------------------------------------------------------------------------------------ Cluster::~Cluster() { } // ------------------------------------------------------------------------------------------------ Skin::Skin(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) : Deformer(id, element, doc, name), accuracy(0.0f) { const ScopePtr sc = GetRequiredScope(element); // keep this it is used for debugging and any FBX format changes // for (auto element : sc.Elements()) { // std::cout << "skin element: " << element.first << std::endl; // } const ElementPtr Link_DeformAcuracy = sc->GetElement("Link_DeformAcuracy"); if (Link_DeformAcuracy) { accuracy = ParseTokenAsFloat(GetRequiredToken(Link_DeformAcuracy, 0)); } const ElementPtr SkinType = sc->GetElement("SkinningType"); if (SkinType) { std::string skin_type = ParseTokenAsString(GetRequiredToken(SkinType, 0)); if (skin_type == "Linear") { skinType = Skin_Linear; } else if (skin_type == "Rigid") { skinType = Skin_Rigid; } else if (skin_type == "DualQuaternion") { skinType = Skin_DualQuaternion; } else if (skin_type == "Blend") { skinType = Skin_Blend; } else { print_error("[doc:skin] could not find valid skin type: " + String(skin_type.c_str())); } } // resolve assigned clusters const std::vector &conns = doc.GetConnectionsByDestinationSequenced(ID(), "Deformer"); // clusters.reserve(conns.size()); for (const Connection *con : conns) { const Cluster *cluster = ProcessSimpleConnection(*con, false, "Cluster -> Skin", element); if (cluster) { clusters.push_back(cluster); continue; } } } // ------------------------------------------------------------------------------------------------ Skin::~Skin() { } // ------------------------------------------------------------------------------------------------ BlendShape::BlendShape(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) : Deformer(id, element, doc, name) { const std::vector &conns = doc.GetConnectionsByDestinationSequenced(ID(), "Deformer"); blendShapeChannels.reserve(conns.size()); for (const Connection *con : conns) { const BlendShapeChannel *bspc = ProcessSimpleConnection(*con, false, "BlendShapeChannel -> BlendShape", element); if (bspc) { blendShapeChannels.push_back(bspc); continue; } } } // ------------------------------------------------------------------------------------------------ BlendShape::~BlendShape() { } // ------------------------------------------------------------------------------------------------ BlendShapeChannel::BlendShapeChannel(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) : Deformer(id, element, doc, name) { const ScopePtr sc = GetRequiredScope(element); const ElementPtr DeformPercent = sc->GetElement("DeformPercent"); if (DeformPercent) { percent = ParseTokenAsFloat(GetRequiredToken(DeformPercent, 0)); } const ElementPtr FullWeights = sc->GetElement("FullWeights"); if (FullWeights) { ParseVectorDataArray(fullWeights, FullWeights); } const std::vector &conns = doc.GetConnectionsByDestinationSequenced(ID(), "Geometry"); shapeGeometries.reserve(conns.size()); for (const Connection *con : conns) { const ShapeGeometry *const sg = ProcessSimpleConnection(*con, false, "Shape -> BlendShapeChannel", element); if (sg) { shapeGeometries.push_back(sg); continue; } } } // ------------------------------------------------------------------------------------------------ BlendShapeChannel::~BlendShapeChannel() { } // ------------------------------------------------------------------------------------------------ } // namespace FBXDocParser