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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/glTF/glTFAsset.inl')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/glTF/glTFAsset.inl | 1316 |
1 files changed, 0 insertions, 1316 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/glTF/glTFAsset.inl b/src/mesh/assimp-master/code/AssetLib/glTF/glTFAsset.inl deleted file mode 100644 index 2b76a30..0000000 --- a/src/mesh/assimp-master/code/AssetLib/glTF/glTFAsset.inl +++ /dev/null @@ -1,1316 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, 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 <assimp/MemoryIOWrapper.h> -#include <assimp/StringUtils.h> -#include <iomanip> - -// Header files, Assimp -#include <assimp/DefaultLogger.hpp> -#include <assimp/Base64.hpp> - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC -// Header files, Open3DGC. -#include <Open3DGC/o3dgcSC3DMCDecoder.h> -#endif - -using namespace Assimp; -using namespace glTFCommon; - -namespace glTF { - -#if _MSC_VER -#pragma warning(push) -#pragma warning(disable : 4706) -#endif // _MSC_VER - -// -// LazyDict methods -// - -template <class T> -inline LazyDict<T>::LazyDict(Asset &asset, const char *dictId, const char *extId) : - mDictId(dictId), mExtId(extId), mDict(0), mAsset(asset) { - asset.mDicts.push_back(this); // register to the list of dictionaries -} - -template <class T> -inline LazyDict<T>::~LazyDict() { - for (size_t i = 0; i < mObjs.size(); ++i) { - delete mObjs[i]; - } -} - -template <class T> -inline void LazyDict<T>::AttachToDocument(Document &doc) { - Value *container = 0; - - if (mExtId) { - if (Value *exts = FindObject(doc, "extensions")) { - container = FindObject(*exts, mExtId); - } - } else { - container = &doc; - } - - if (container) { - mDict = FindObject(*container, mDictId); - } -} - -template <class T> -inline void LazyDict<T>::DetachFromDocument() { - mDict = 0; -} - -template <class T> -Ref<T> LazyDict<T>::Get(unsigned int i) { - return Ref<T>(mObjs, i); -} - -template <class T> -Ref<T> LazyDict<T>::Get(const char *id) { - id = T::TranslateId(mAsset, id); - - typename Dict::iterator it = mObjsById.find(id); - if (it != mObjsById.end()) { // already created? - return Ref<T>(mObjs, it->second); - } - - // read it from the JSON object - if (!mDict) { - throw DeadlyImportError("GLTF: Missing section \"", mDictId, "\""); - } - - Value::MemberIterator obj = mDict->FindMember(id); - if (obj == mDict->MemberEnd()) { - throw DeadlyImportError("GLTF: Missing object with id \"", id, "\" in \"", mDictId, "\""); - } - if (!obj->value.IsObject()) { - throw DeadlyImportError("GLTF: Object with id \"", id, "\" is not a JSON object"); - } - - // create an instance of the given type - T *inst = new T(); - inst->id = id; - ReadMember(obj->value, "name", inst->name); - inst->Read(obj->value, mAsset); - return Add(inst); -} - -template <class T> -Ref<T> LazyDict<T>::Add(T *obj) { - unsigned int idx = unsigned(mObjs.size()); - mObjs.push_back(obj); - mObjsById[obj->id] = idx; - mAsset.mUsedIds[obj->id] = true; - return Ref<T>(mObjs, idx); -} - -template <class T> -Ref<T> LazyDict<T>::Create(const char *id) { - Asset::IdMap::iterator it = mAsset.mUsedIds.find(id); - if (it != mAsset.mUsedIds.end()) { - throw DeadlyImportError("GLTF: two objects with the same ID exist"); - } - T *inst = new T(); - inst->id = id; - return Add(inst); -} - -// -// glTF dictionary objects methods -// - -inline Buffer::Buffer() : - byteLength(0), type(Type_arraybuffer), EncodedRegion_Current(nullptr), mIsSpecial(false) {} - -inline Buffer::~Buffer() { - for (SEncodedRegion *reg : EncodedRegion_List) - delete reg; -} - -inline const char *Buffer::TranslateId(Asset &r, const char *id) { - // Compatibility with old spec - if (r.extensionsUsed.KHR_binary_glTF && strcmp(id, "KHR_binary_glTF") == 0) { - return "binary_glTF"; - } - - return id; -} - -inline void Buffer::Read(Value &obj, Asset &r) { - size_t statedLength = MemberOrDefault<size_t>(obj, "byteLength", 0); - byteLength = statedLength; - - Value *it = FindString(obj, "uri"); - if (!it) { - if (statedLength > 0) { - throw DeadlyImportError("GLTF: buffer with non-zero length missing the \"uri\" attribute"); - } - return; - } - - const char *uri = it->GetString(); - - glTFCommon::Util::DataURI dataURI; - if (ParseDataURI(uri, it->GetStringLength(), dataURI)) { - if (dataURI.base64) { - uint8_t *data = 0; - this->byteLength = Base64::Decode(dataURI.data, dataURI.dataLength, data); - this->mData.reset(data, std::default_delete<uint8_t[]>()); - - if (statedLength > 0 && this->byteLength != statedLength) { - throw DeadlyImportError("GLTF: buffer \"", id, "\", expected ", ai_to_string(statedLength), - " bytes, but found ", ai_to_string(dataURI.dataLength)); - } - } else { // assume raw data - if (statedLength != dataURI.dataLength) { - throw DeadlyImportError("GLTF: buffer \"", id, "\", expected ", ai_to_string(statedLength), - " bytes, but found ", ai_to_string(dataURI.dataLength)); - } - - this->mData.reset(new uint8_t[dataURI.dataLength], std::default_delete<uint8_t[]>()); - memcpy(this->mData.get(), dataURI.data, dataURI.dataLength); - } - } else { // Local file - if (byteLength > 0) { - std::string dir = !r.mCurrentAssetDir.empty() ? ( - r.mCurrentAssetDir.back() == '/' ? - r.mCurrentAssetDir : - r.mCurrentAssetDir + '/') : - ""; - - IOStream *file = r.OpenFile(dir + uri, "rb"); - if (file) { - bool ok = LoadFromStream(*file, byteLength); - delete file; - - if (!ok) - throw DeadlyImportError("GLTF: error while reading referenced file \"", uri, "\""); - } else { - throw DeadlyImportError("GLTF: could not open referenced file \"", uri, "\""); - } - } - } -} - -inline bool Buffer::LoadFromStream(IOStream &stream, size_t length, size_t baseOffset) { - byteLength = length ? length : stream.FileSize(); - - if (baseOffset) { - stream.Seek(baseOffset, aiOrigin_SET); - } - - mData.reset(new uint8_t[byteLength], std::default_delete<uint8_t[]>()); - - if (stream.Read(mData.get(), byteLength, 1) != 1) { - return false; - } - return true; -} - -inline void Buffer::EncodedRegion_Mark(const size_t pOffset, const size_t pEncodedData_Length, uint8_t *pDecodedData, const size_t pDecodedData_Length, const std::string &pID) { - // Check pointer to data - if (pDecodedData == nullptr) throw DeadlyImportError("GLTF: for marking encoded region pointer to decoded data must be provided."); - - // Check offset - if (pOffset > byteLength) { - const uint8_t val_size = 32; - - char val[val_size]; - - ai_snprintf(val, val_size, AI_SIZEFMT, pOffset); - throw DeadlyImportError("GLTF: incorrect offset value (", val, ") for marking encoded region."); - } - - // Check length - if ((pOffset + pEncodedData_Length) > byteLength) { - const uint8_t val_size = 64; - - char val[val_size]; - - ai_snprintf(val, val_size, AI_SIZEFMT "/" AI_SIZEFMT, pOffset, pEncodedData_Length); - throw DeadlyImportError("GLTF: encoded region with offset/length (", val, ") is out of range."); - } - - // Add new region - EncodedRegion_List.push_back(new SEncodedRegion(pOffset, pEncodedData_Length, pDecodedData, pDecodedData_Length, pID)); - // And set new value for "byteLength" - byteLength += (pDecodedData_Length - pEncodedData_Length); -} - -inline void Buffer::EncodedRegion_SetCurrent(const std::string &pID) { - if ((EncodedRegion_Current != nullptr) && (EncodedRegion_Current->ID == pID)) return; - - for (SEncodedRegion *reg : EncodedRegion_List) { - if (reg->ID == pID) { - EncodedRegion_Current = reg; - - return; - } - } - - throw DeadlyImportError("GLTF: EncodedRegion with ID: \"", pID, "\" not found."); -} - -inline bool Buffer::ReplaceData(const size_t pBufferData_Offset, const size_t pBufferData_Count, const uint8_t *pReplace_Data, const size_t pReplace_Count) { - const size_t new_data_size = byteLength + pReplace_Count - pBufferData_Count; - - uint8_t *new_data; - - if ((pBufferData_Count == 0) || (pReplace_Count == 0) || (pReplace_Data == nullptr)) return false; - - new_data = new uint8_t[new_data_size]; - // Copy data which place before replacing part. - memcpy(new_data, mData.get(), pBufferData_Offset); - // Copy new data. - memcpy(&new_data[pBufferData_Offset], pReplace_Data, pReplace_Count); - // Copy data which place after replacing part. - memcpy(&new_data[pBufferData_Offset + pReplace_Count], &mData.get()[pBufferData_Offset + pBufferData_Count], pBufferData_Offset); - // Apply new data - mData.reset(new_data, std::default_delete<uint8_t[]>()); - byteLength = new_data_size; - - return true; -} - -inline size_t Buffer::AppendData(uint8_t *data, size_t length) { - size_t offset = this->byteLength; - Grow(length); - memcpy(mData.get() + offset, data, length); - return offset; -} - -inline void Buffer::Grow(size_t amount) { - if (amount <= 0) return; - if (capacity >= byteLength + amount) { - byteLength += amount; - return; - } - - // Shift operation is standard way to divide integer by 2, it doesn't cast it to float back and forth, also works for odd numbers, - // originally it would look like: static_cast<size_t>(capacity * 1.5f) - capacity = std::max(capacity + (capacity >> 1), byteLength + amount); - - uint8_t *b = new uint8_t[capacity]; - if (mData) memcpy(b, mData.get(), byteLength); - mData.reset(b, std::default_delete<uint8_t[]>()); - byteLength += amount; -} - -// -// struct BufferView -// - -inline void BufferView::Read(Value &obj, Asset &r) { - const char *bufferId = MemberOrDefault<const char *>(obj, "buffer", 0); - if (bufferId) { - buffer = r.buffers.Get(bufferId); - } - - byteOffset = MemberOrDefault(obj, "byteOffset", 0u); - byteLength = MemberOrDefault(obj, "byteLength", 0u); -} - -// -// struct Accessor -// - -inline void Accessor::Read(Value &obj, Asset &r) { - const char *bufferViewId = MemberOrDefault<const char *>(obj, "bufferView", 0); - if (bufferViewId) { - bufferView = r.bufferViews.Get(bufferViewId); - } - - byteOffset = MemberOrDefault(obj, "byteOffset", 0u); - byteStride = MemberOrDefault(obj, "byteStride", 0u); - componentType = MemberOrDefault(obj, "componentType", ComponentType_BYTE); - count = MemberOrDefault(obj, "count", 0u); - - const char *typestr; - type = ReadMember(obj, "type", typestr) ? AttribType::FromString(typestr) : AttribType::SCALAR; -} - -inline unsigned int Accessor::GetNumComponents() { - return AttribType::GetNumComponents(type); -} - -inline unsigned int Accessor::GetBytesPerComponent() { - return int(ComponentTypeSize(componentType)); -} - -inline unsigned int Accessor::GetElementSize() { - return GetNumComponents() * GetBytesPerComponent(); -} - -inline uint8_t *Accessor::GetPointer() { - if (!bufferView || !bufferView->buffer) return 0; - uint8_t *basePtr = bufferView->buffer->GetPointer(); - if (!basePtr) return 0; - - size_t offset = byteOffset + bufferView->byteOffset; - - // Check if region is encoded. - if (bufferView->buffer->EncodedRegion_Current != nullptr) { - const size_t begin = bufferView->buffer->EncodedRegion_Current->Offset; - const size_t end = begin + bufferView->buffer->EncodedRegion_Current->DecodedData_Length; - - if ((offset >= begin) && (offset < end)) - return &bufferView->buffer->EncodedRegion_Current->DecodedData[offset - begin]; - } - - return basePtr + offset; -} - -namespace { -inline void CopyData(size_t count, - const uint8_t *src, size_t src_stride, - uint8_t *dst, size_t dst_stride) { - if (src_stride == dst_stride) { - memcpy(dst, src, count * src_stride); - } else { - size_t sz = std::min(src_stride, dst_stride); - for (size_t i = 0; i < count; ++i) { - memcpy(dst, src, sz); - if (sz < dst_stride) { - memset(dst + sz, 0, dst_stride - sz); - } - src += src_stride; - dst += dst_stride; - } - } -} -} // namespace - -template <class T> -bool Accessor::ExtractData(T *&outData) { - uint8_t *data = GetPointer(); - if (!data) return false; - - const size_t elemSize = GetElementSize(); - const size_t totalSize = elemSize * count; - - const size_t stride = byteStride ? byteStride : elemSize; - - const size_t targetElemSize = sizeof(T); - ai_assert(elemSize <= targetElemSize); - - ai_assert(count * stride <= bufferView->byteLength); - - outData = new T[count]; - if (stride == elemSize && targetElemSize == elemSize) { - memcpy(outData, data, totalSize); - } else { - for (size_t i = 0; i < count; ++i) { - memcpy(outData + i, data + i * stride, elemSize); - } - } - - return true; -} - -inline void Accessor::WriteData(size_t cnt, const void *src_buffer, size_t src_stride) { - uint8_t *buffer_ptr = bufferView->buffer->GetPointer(); - size_t offset = byteOffset + bufferView->byteOffset; - - size_t dst_stride = GetNumComponents() * GetBytesPerComponent(); - - const uint8_t *src = reinterpret_cast<const uint8_t *>(src_buffer); - uint8_t *dst = reinterpret_cast<uint8_t *>(buffer_ptr + offset); - - ai_assert(dst + count * dst_stride <= buffer_ptr + bufferView->buffer->byteLength); - CopyData(cnt, src, src_stride, dst, dst_stride); -} - -inline Accessor::Indexer::Indexer(Accessor &acc) : - accessor(acc), data(acc.GetPointer()), elemSize(acc.GetElementSize()), stride(acc.byteStride ? acc.byteStride : elemSize) { -} - -//! Accesses the i-th value as defined by the accessor -template <class T> -T Accessor::Indexer::GetValue(int i) { - ai_assert(data); - ai_assert(i * stride < accessor.bufferView->byteLength); - T value = T(); - memcpy(&value, data + i * stride, elemSize); - //value >>= 8 * (sizeof(T) - elemSize); - return value; -} - -inline Image::Image() : - width(0), height(0), mDataLength(0) { -} - -inline void Image::Read(Value &obj, Asset &r) { - // Check for extensions first (to detect binary embedded data) - if (Value *extensions = FindObject(obj, "extensions")) { - if (r.extensionsUsed.KHR_binary_glTF) { - if (Value *ext = FindObject(*extensions, "KHR_binary_glTF")) { - - width = MemberOrDefault(*ext, "width", 0); - height = MemberOrDefault(*ext, "height", 0); - - ReadMember(*ext, "mimeType", mimeType); - - const char *bufferViewId; - if (ReadMember(*ext, "bufferView", bufferViewId)) { - Ref<BufferView> bv = r.bufferViews.Get(bufferViewId); - if (bv) { - mDataLength = bv->byteLength; - mData.reset(new uint8_t[mDataLength]); - memcpy(mData.get(), bv->buffer->GetPointer() + bv->byteOffset, mDataLength); - } - } - } - } - } - - if (!mDataLength) { - Value *curUri = FindString(obj, "uri"); - if (nullptr != curUri) { - const char *uristr = curUri->GetString(); - - glTFCommon::Util::DataURI dataURI; - if (ParseDataURI(uristr, curUri->GetStringLength(), dataURI)) { - mimeType = dataURI.mediaType; - if (dataURI.base64) { - uint8_t *ptr = nullptr; - mDataLength = Base64::Decode(dataURI.data, dataURI.dataLength, ptr); - mData.reset(ptr); - } - } else { - this->uri = uristr; - } - } - } -} - -inline uint8_t *Image::StealData() { - mDataLength = 0; - return mData.release(); -} - -inline void Image::SetData(uint8_t *data, size_t length, Asset &r) { - Ref<Buffer> b = r.GetBodyBuffer(); - if (b) { // binary file: append to body - std::string bvId = r.FindUniqueID(this->id, "imgdata"); - bufferView = r.bufferViews.Create(bvId); - - bufferView->buffer = b; - bufferView->byteLength = length; - bufferView->byteOffset = b->AppendData(data, length); - } else { // text file: will be stored as a data uri - uint8_t *temp = new uint8_t[length]; - memcpy(temp, data, length); - this->mData.reset(temp); - this->mDataLength = length; - } -} - -inline void Sampler::Read(Value &obj, Asset & /*r*/) { - SetDefaults(); - - ReadMember(obj, "magFilter", magFilter); - ReadMember(obj, "minFilter", minFilter); - ReadMember(obj, "wrapS", wrapS); - ReadMember(obj, "wrapT", wrapT); -} - -inline void Sampler::SetDefaults() { - magFilter = SamplerMagFilter_Linear; - minFilter = SamplerMinFilter_Linear; - wrapS = SamplerWrap_Repeat; - wrapT = SamplerWrap_Repeat; -} - -inline void Texture::Read(Value &obj, Asset &r) { - const char *sourcestr; - if (ReadMember(obj, "source", sourcestr)) { - source = r.images.Get(sourcestr); - } - - const char *samplerstr; - if (ReadMember(obj, "sampler", samplerstr)) { - sampler = r.samplers.Get(samplerstr); - } -} - -namespace { -inline void ReadMaterialProperty(Asset &r, Value &vals, const char *propName, TexProperty &out) { - if (Value *prop = FindMember(vals, propName)) { - if (prop->IsString()) { - out.texture = r.textures.Get(prop->GetString()); - } else { - ReadValue(*prop, out.color); - } - } -} -} // namespace - -inline void Material::Read(Value &material, Asset &r) { - SetDefaults(); - - if (Value *values = FindObject(material, "values")) { - ReadMaterialProperty(r, *values, "ambient", this->ambient); - ReadMaterialProperty(r, *values, "diffuse", this->diffuse); - ReadMaterialProperty(r, *values, "specular", this->specular); - - ReadMember(*values, "transparency", transparency); - ReadMember(*values, "shininess", shininess); - } - - if (Value *extensions = FindObject(material, "extensions")) { - if (r.extensionsUsed.KHR_materials_common) { - if (Value *ext = FindObject(*extensions, "KHR_materials_common")) { - if (Value *tnq = FindString(*ext, "technique")) { - const char *t = tnq->GetString(); - if (strcmp(t, "BLINN") == 0) - technique = Technique_BLINN; - else if (strcmp(t, "PHONG") == 0) - technique = Technique_PHONG; - else if (strcmp(t, "LAMBERT") == 0) - technique = Technique_LAMBERT; - else if (strcmp(t, "CONSTANT") == 0) - technique = Technique_CONSTANT; - } - - if (Value *values = FindObject(*ext, "values")) { - ReadMaterialProperty(r, *values, "ambient", this->ambient); - ReadMaterialProperty(r, *values, "diffuse", this->diffuse); - ReadMaterialProperty(r, *values, "specular", this->specular); - - ReadMember(*values, "doubleSided", doubleSided); - ReadMember(*values, "transparent", transparent); - ReadMember(*values, "transparency", transparency); - ReadMember(*values, "shininess", shininess); - } - } - } - } -} - -namespace { -void SetVector(vec4 &v, float x, float y, float z, float w) { - v[0] = x; - v[1] = y; - v[2] = z; - v[3] = w; -} -} // namespace - -inline void Material::SetDefaults() { - SetVector(ambient.color, 0, 0, 0, 1); - SetVector(diffuse.color, 0, 0, 0, 1); - SetVector(specular.color, 0, 0, 0, 1); - SetVector(emission.color, 0, 0, 0, 1); - - doubleSided = false; - transparent = false; - transparency = 1.0; - shininess = 0.0; - - technique = Technique_undefined; -} - -namespace { - -template <int N> -inline int Compare(const char *attr, const char (&str)[N]) { - return (strncmp(attr, str, N - 1) == 0) ? N - 1 : 0; -} - -inline bool GetAttribVector(Mesh::Primitive &p, const char *attr, Mesh::AccessorList *&v, int &pos) { - if ((pos = Compare(attr, "POSITION"))) { - v = &(p.attributes.position); - } else if ((pos = Compare(attr, "NORMAL"))) { - v = &(p.attributes.normal); - } else if ((pos = Compare(attr, "TEXCOORD"))) { - v = &(p.attributes.texcoord); - } else if ((pos = Compare(attr, "COLOR"))) { - v = &(p.attributes.color); - } else if ((pos = Compare(attr, "JOINT"))) { - v = &(p.attributes.joint); - } else if ((pos = Compare(attr, "JOINTMATRIX"))) { - v = &(p.attributes.jointmatrix); - } else if ((pos = Compare(attr, "WEIGHT"))) { - v = &(p.attributes.weight); - } else - return false; - return true; -} -} // namespace - -inline void Mesh::Read(Value &pJSON_Object, Asset &pAsset_Root) { - /****************** Mesh primitives ******************/ - Value *curPrimitives = FindArray(pJSON_Object, "primitives"); - if (nullptr != curPrimitives) { - this->primitives.resize(curPrimitives->Size()); - for (unsigned int i = 0; i < curPrimitives->Size(); ++i) { - Value &primitive = (*curPrimitives)[i]; - - Primitive &prim = this->primitives[i]; - prim.mode = MemberOrDefault(primitive, "mode", PrimitiveMode_TRIANGLES); - - if (Value *attrs = FindObject(primitive, "attributes")) { - for (Value::MemberIterator it = attrs->MemberBegin(); it != attrs->MemberEnd(); ++it) { - if (!it->value.IsString()) continue; - const char *attr = it->name.GetString(); - // Valid attribute semantics include POSITION, NORMAL, TEXCOORD, COLOR, JOINT, JOINTMATRIX, - // and WEIGHT.Attribute semantics can be of the form[semantic]_[set_index], e.g., TEXCOORD_0, TEXCOORD_1, etc. - - int undPos = 0; - Mesh::AccessorList *vec = 0; - if (GetAttribVector(prim, attr, vec, undPos)) { - size_t idx = (attr[undPos] == '_') ? atoi(attr + undPos + 1) : 0; - if ((*vec).size() <= idx) (*vec).resize(idx + 1); - (*vec)[idx] = pAsset_Root.accessors.Get(it->value.GetString()); - } - } - } - - if (Value *indices = FindString(primitive, "indices")) { - prim.indices = pAsset_Root.accessors.Get(indices->GetString()); - } - - if (Value *material = FindString(primitive, "material")) { - prim.material = pAsset_Root.materials.Get(material->GetString()); - } - } - } - - /****************** Mesh extensions ******************/ - Value *json_extensions = FindObject(pJSON_Object, "extensions"); - - if (json_extensions == nullptr) goto mr_skip_extensions; - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - for (Value::MemberIterator it_memb = json_extensions->MemberBegin(); it_memb != json_extensions->MemberEnd(); it_memb++) { - if (it_memb->name.GetString() == std::string("Open3DGC-compression")) { - // Search for compressed data. - // Compressed data contain description of part of "buffer" which is encoded. This part must be decoded and - // new data will replace old encoded part by request. In fact \"compressedData\" is kind of "accessor" structure. - Value *comp_data = FindObject(it_memb->value, "compressedData"); - - if (comp_data == nullptr) throw DeadlyImportError("GLTF: \"Open3DGC-compression\" must has \"compressedData\"."); - - ASSIMP_LOG_INFO("GLTF: Decompressing Open3DGC data."); - -/************** Read data from JSON-document **************/ -#define MESH_READ_COMPRESSEDDATA_MEMBER(pFieldName, pOut) \ - if (!ReadMember(*comp_data, pFieldName, pOut)) { \ - throw DeadlyImportError("GLTF: \"compressedData\" must has \"", pFieldName, "\"."); \ - } - - const char *mode_str; - const char *type_str; - ComponentType component_type; - SCompression_Open3DGC *ext_o3dgc = new SCompression_Open3DGC; - - MESH_READ_COMPRESSEDDATA_MEMBER("buffer", ext_o3dgc->Buffer); - MESH_READ_COMPRESSEDDATA_MEMBER("byteOffset", ext_o3dgc->Offset); - MESH_READ_COMPRESSEDDATA_MEMBER("componentType", component_type); - MESH_READ_COMPRESSEDDATA_MEMBER("type", type_str); - MESH_READ_COMPRESSEDDATA_MEMBER("count", ext_o3dgc->Count); - MESH_READ_COMPRESSEDDATA_MEMBER("mode", mode_str); - MESH_READ_COMPRESSEDDATA_MEMBER("indicesCount", ext_o3dgc->IndicesCount); - MESH_READ_COMPRESSEDDATA_MEMBER("verticesCount", ext_o3dgc->VerticesCount); - -#undef MESH_READ_COMPRESSEDDATA_MEMBER - - // Check some values - if (strcmp(type_str, "SCALAR")) throw DeadlyImportError("GLTF: only \"SCALAR\" type is supported for compressed data."); - if (component_type != ComponentType_UNSIGNED_BYTE) throw DeadlyImportError("GLTF: only \"UNSIGNED_BYTE\" component type is supported for compressed data."); - - // Set read/write data mode. - if (strcmp(mode_str, "binary") == 0) - ext_o3dgc->Binary = true; - else if (strcmp(mode_str, "ascii") == 0) - ext_o3dgc->Binary = false; - else - throw DeadlyImportError("GLTF: for compressed data supported modes is: \"ascii\", \"binary\". Not the: \"", mode_str, "\"."); - - /************************ Decoding ************************/ - Decode_O3DGC(*ext_o3dgc, pAsset_Root); - Extension.push_back(ext_o3dgc); // store info in mesh extensions list. - } // if(it_memb->name.GetString() == "Open3DGC-compression") - else { - throw DeadlyImportError("GLTF: Unknown mesh extension: \"", it_memb->name.GetString(), "\"."); - } - } // for(Value::MemberIterator it_memb = json_extensions->MemberBegin(); it_memb != json_extensions->MemberEnd(); json_extensions++) -#endif - -mr_skip_extensions: - - return; // After label some operators must be present. -} - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC -inline void Mesh::Decode_O3DGC(const SCompression_Open3DGC &pCompression_Open3DGC, Asset &pAsset_Root) { - typedef unsigned short IndicesType; ///< \sa glTFExporter::ExportMeshes. - - o3dgc::SC3DMCDecoder<IndicesType> decoder; - o3dgc::IndexedFaceSet<IndicesType> ifs; - o3dgc::BinaryStream bstream; - uint8_t *decoded_data; - size_t decoded_data_size = 0; - Ref<Buffer> buf = pAsset_Root.buffers.Get(pCompression_Open3DGC.Buffer); - - // Read data from buffer and place it in BinaryStream for decoder. - // Just "Count" because always is used type equivalent to uint8_t. - bstream.LoadFromBuffer(&buf->GetPointer()[pCompression_Open3DGC.Offset], static_cast<unsigned long>(pCompression_Open3DGC.Count)); - - // After decoding header we can get size of primitives. - if (decoder.DecodeHeader(ifs, bstream) != o3dgc::O3DGC_OK) throw DeadlyImportError("GLTF: can not decode Open3DGC header."); - - /****************** Get sizes of arrays and check sizes ******************/ - // Note. See "Limitations for meshes when using Open3DGC-compression". - - // Indices - size_t size_coordindex = ifs.GetNCoordIndex() * 3; // See float attributes note. - - if (primitives[0].indices->count != size_coordindex) - throw DeadlyImportError("GLTF: Open3DGC. Compressed indices count (", ai_to_string(size_coordindex), - ") not equal to uncompressed (", ai_to_string(primitives[0].indices->count), ")."); - - size_coordindex *= sizeof(IndicesType); - // Coordinates - size_t size_coord = ifs.GetNCoord(); // See float attributes note. - - if (primitives[0].attributes.position[0]->count != size_coord) - throw DeadlyImportError("GLTF: Open3DGC. Compressed positions count (", ai_to_string(size_coord), - ") not equal to uncompressed (", ai_to_string(primitives[0].attributes.position[0]->count), ")."); - - size_coord *= 3 * sizeof(float); - // Normals - size_t size_normal = ifs.GetNNormal(); // See float attributes note. - - if (primitives[0].attributes.normal[0]->count != size_normal) - throw DeadlyImportError("GLTF: Open3DGC. Compressed normals count (", ai_to_string(size_normal), - ") not equal to uncompressed (", ai_to_string(primitives[0].attributes.normal[0]->count), ")."); - - size_normal *= 3 * sizeof(float); - // Additional attributes. - std::vector<size_t> size_floatattr; - std::vector<size_t> size_intattr; - - size_floatattr.resize(ifs.GetNumFloatAttributes()); - size_intattr.resize(ifs.GetNumIntAttributes()); - - decoded_data_size = size_coordindex + size_coord + size_normal; - for (size_t idx = 0, idx_end = size_floatattr.size(), idx_texcoord = 0; idx < idx_end; idx++) { - // size = number_of_elements * components_per_element * size_of_component. - // Note. But as you can see above, at first we are use this variable in meaning "count". After checking count of objects... - size_t tval = ifs.GetNFloatAttribute(static_cast<unsigned long>(idx)); - - switch (ifs.GetFloatAttributeType(static_cast<unsigned long>(idx))) { - case o3dgc::O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD: - // Check situation when encoded data contain texture coordinates but primitive not. - if (idx_texcoord < primitives[0].attributes.texcoord.size()) { - if (primitives[0].attributes.texcoord[idx]->count != tval) - throw DeadlyImportError("GLTF: Open3DGC. Compressed texture coordinates count (", ai_to_string(tval), - ") not equal to uncompressed (", ai_to_string(primitives[0].attributes.texcoord[idx]->count), ")."); - - idx_texcoord++; - } else { - ifs.SetNFloatAttribute(static_cast<unsigned long>(idx), 0ul); // Disable decoding this attribute. - } - - break; - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of float attribute: ", ai_to_string(ifs.GetFloatAttributeType(static_cast<unsigned long>(idx)))); - } - - tval *= ifs.GetFloatAttributeDim(static_cast<unsigned long>(idx)) * sizeof(o3dgc::Real); // After checking count of objects we can get size of array. - size_floatattr[idx] = tval; - decoded_data_size += tval; - } - - for (size_t idx = 0, idx_end = size_intattr.size(); idx < idx_end; idx++) { - // size = number_of_elements * components_per_element * size_of_component. See float attributes note. - size_t tval = ifs.GetNIntAttribute(static_cast<unsigned long>(idx)); - switch (ifs.GetIntAttributeType(static_cast<unsigned long>(idx))) { - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_UNKOWN: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_JOINT_ID: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX_BUFFER_ID: - break; - - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of int attribute: ", ai_to_string(ifs.GetIntAttributeType(static_cast<unsigned long>(idx)))); - } - - tval *= ifs.GetIntAttributeDim(static_cast<unsigned long>(idx)) * sizeof(long); // See float attributes note. - size_intattr[idx] = tval; - decoded_data_size += tval; - } - - // Create array for decoded data. - decoded_data = new uint8_t[decoded_data_size]; - - /****************** Set right array regions for decoder ******************/ - - auto get_buf_offset = [](Ref<Accessor> &pAccessor) -> size_t { return pAccessor->byteOffset + pAccessor->bufferView->byteOffset; }; - - // Indices - ifs.SetCoordIndex((IndicesType *const)(decoded_data + get_buf_offset(primitives[0].indices))); - // Coordinates - ifs.SetCoord((o3dgc::Real *const)(decoded_data + get_buf_offset(primitives[0].attributes.position[0]))); - // Normals - if (size_normal) { - ifs.SetNormal((o3dgc::Real *const)(decoded_data + get_buf_offset(primitives[0].attributes.normal[0]))); - } - - for (size_t idx = 0, idx_end = size_floatattr.size(), idx_texcoord = 0; idx < idx_end; idx++) { - switch (ifs.GetFloatAttributeType(static_cast<unsigned long>(idx))) { - case o3dgc::O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD: - if (idx_texcoord < primitives[0].attributes.texcoord.size()) { - // See above about absent attributes. - ifs.SetFloatAttribute(static_cast<unsigned long>(idx), (o3dgc::Real *const)(decoded_data + get_buf_offset(primitives[0].attributes.texcoord[idx]))); - idx_texcoord++; - } - - break; - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of float attribute: ", ai_to_string(ifs.GetFloatAttributeType(static_cast<unsigned long>(idx)))); - } - } - - for (size_t idx = 0, idx_end = size_intattr.size(); idx < idx_end; idx++) { - switch (ifs.GetIntAttributeType(static_cast<unsigned int>(idx))) { - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_UNKOWN: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_JOINT_ID: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX_BUFFER_ID: - break; - - // ifs.SetIntAttribute(idx, (long* const)(decoded_data + get_buf_offset(primitives[0].attributes.joint))); - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of int attribute: ", ai_to_string(ifs.GetIntAttributeType(static_cast<unsigned long>(idx)))); - } - } - - // - // Decode data - // - if (decoder.DecodePayload(ifs, bstream) != o3dgc::O3DGC_OK) { - throw DeadlyImportError("GLTF: can not decode Open3DGC data."); - } - - // Set encoded region for "buffer". - buf->EncodedRegion_Mark(pCompression_Open3DGC.Offset, pCompression_Open3DGC.Count, decoded_data, decoded_data_size, id); - // No. Do not delete "output_data". After calling "EncodedRegion_Mark" bufferView is owner of "output_data". - // "delete [] output_data;" -} -#endif - -inline void Camera::Read(Value &obj, Asset & /*r*/) { - type = MemberOrDefault(obj, "type", Camera::Perspective); - - const char *subobjId = (type == Camera::Orthographic) ? "orthographic" : "perspective"; - - Value *it = FindObject(obj, subobjId); - if (!it) throw DeadlyImportError("GLTF: Camera missing its parameters"); - - if (type == Camera::Perspective) { - perspective.aspectRatio = MemberOrDefault(*it, "aspectRatio", 0.f); - perspective.yfov = MemberOrDefault(*it, "yfov", 3.1415f / 2.f); - perspective.zfar = MemberOrDefault(*it, "zfar", 100.f); - perspective.znear = MemberOrDefault(*it, "znear", 0.01f); - } else { - ortographic.xmag = MemberOrDefault(*it, "xmag", 1.f); - ortographic.ymag = MemberOrDefault(*it, "ymag", 1.f); - ortographic.zfar = MemberOrDefault(*it, "zfar", 100.f); - ortographic.znear = MemberOrDefault(*it, "znear", 0.01f); - } -} - -inline void Light::Read(Value &obj, Asset & /*r*/) { - SetDefaults(); - - Value *curType = FindString(obj, "type"); - if (nullptr != curType) { - const char *t = curType->GetString(); - if (strcmp(t, "ambient") == 0) - this->type = Type_ambient; - else if (strcmp(t, "directional") == 0) - this->type = Type_directional; - else if (strcmp(t, "point") == 0) - this->type = Type_point; - else if (strcmp(t, "spot") == 0) - this->type = Type_spot; - - if (this->type != Type_undefined) { - if (Value *vals = FindString(obj, t)) { - ReadMember(*vals, "color", color); - - ReadMember(*vals, "constantAttenuation", constantAttenuation); - ReadMember(*vals, "linearAttenuation", linearAttenuation); - ReadMember(*vals, "quadraticAttenuation", quadraticAttenuation); - ReadMember(*vals, "distance", distance); - - ReadMember(*vals, "falloffAngle", falloffAngle); - ReadMember(*vals, "falloffExponent", falloffExponent); - } - } - } -} - -inline void Light::SetDefaults() { -#ifndef M_PI - const float M_PI = 3.14159265358979323846f; -#endif - - type = Type_undefined; - - SetVector(color, 0.f, 0.f, 0.f, 1.f); - - constantAttenuation = 0.f; - linearAttenuation = 1.f; - quadraticAttenuation = 1.f; - distance = 0.f; - - falloffAngle = static_cast<float>(M_PI / 2.f); - falloffExponent = 0.f; -} - -inline void Node::Read(Value &obj, Asset &r) { - if (name.empty()) { - name = id; - } - - Value *curChildren = FindArray(obj, "children"); - if (nullptr != curChildren) { - this->children.reserve(curChildren->Size()); - for (unsigned int i = 0; i < curChildren->Size(); ++i) { - Value &child = (*curChildren)[i]; - if (child.IsString()) { - // get/create the child node - Ref<Node> chn = r.nodes.Get(child.GetString()); - if (chn) this->children.push_back(chn); - } - } - } - - Value *curMatrix = FindArray(obj, "matrix"); - if (nullptr != curMatrix) { - ReadValue(*curMatrix, this->matrix); - } else { - ReadMember(obj, "translation", translation); - ReadMember(obj, "scale", scale); - ReadMember(obj, "rotation", rotation); - } - - Value *curMeshes = FindArray(obj, "meshes"); - if (nullptr != curMeshes) { - unsigned int numMeshes = (unsigned int)curMeshes->Size(); - - std::vector<unsigned int> meshList; - - this->meshes.reserve(numMeshes); - for (unsigned i = 0; i < numMeshes; ++i) { - if ((*curMeshes)[i].IsString()) { - Ref<Mesh> mesh = r.meshes.Get((*curMeshes)[i].GetString()); - if (mesh) { - this->meshes.push_back(mesh); - } - } - } - } - - Value *curCamera = FindString(obj, "camera"); - if (nullptr != curCamera) { - this->camera = r.cameras.Get(curCamera->GetString()); - if (this->camera) { - this->camera->id = this->id; - } - } - - // TODO load "skeletons", "skin", "jointName" - - if (Value *extensions = FindObject(obj, "extensions")) { - if (r.extensionsUsed.KHR_materials_common) { - - if (Value *ext = FindObject(*extensions, "KHR_materials_common")) { - Value *curLight = FindString(*ext, "light"); - if (nullptr != curLight) { - this->light = r.lights.Get(curLight->GetString()); - } - } - } - } -} - -inline void Scene::Read(Value &obj, Asset &r) { - if (Value *array = FindArray(obj, "nodes")) { - for (unsigned int i = 0; i < array->Size(); ++i) { - if (!(*array)[i].IsString()) continue; - Ref<Node> node = r.nodes.Get((*array)[i].GetString()); - if (node) - this->nodes.push_back(node); - } - } -} - -inline void AssetMetadata::Read(Document &doc) { - // read the version, etc. - if (Value *obj = FindObject(doc, "asset")) { - ReadMember(*obj, "copyright", copyright); - ReadMember(*obj, "generator", generator); - - premultipliedAlpha = MemberOrDefault(*obj, "premultipliedAlpha", false); - - if (Value *versionString = FindString(*obj, "version")) { - version = versionString->GetString(); - } else if (Value *versionNumber = FindNumber(*obj, "version")) { - char buf[4]; - - ai_snprintf(buf, 4, "%.1f", versionNumber->GetDouble()); - - version = buf; - } - - Value *curProfile = FindObject(*obj, "profile"); - if (nullptr != curProfile) { - ReadMember(*curProfile, "api", this->profile.api); - ReadMember(*curProfile, "version", this->profile.version); - } - } - - if (version.empty() || version[0] != '1') { - throw DeadlyImportError("GLTF: Unsupported glTF version: ", version); - } -} - -// -// Asset methods implementation -// - -inline void Asset::ReadBinaryHeader(IOStream &stream) { - GLB_Header header; - if (stream.Read(&header, sizeof(header), 1) != 1) { - throw DeadlyImportError("GLTF: Unable to read the file header"); - } - - if (strncmp((char *)header.magic, AI_GLB_MAGIC_NUMBER, sizeof(header.magic)) != 0) { - throw DeadlyImportError("GLTF: Invalid binary glTF file"); - } - - AI_SWAP4(header.version); - asset.version = ai_to_string(header.version); - if (header.version != 1) { - throw DeadlyImportError("GLTF: Unsupported binary glTF version"); - } - - AI_SWAP4(header.sceneFormat); - if (header.sceneFormat != SceneFormat_JSON) { - throw DeadlyImportError("GLTF: Unsupported binary glTF scene format"); - } - - AI_SWAP4(header.length); - AI_SWAP4(header.sceneLength); - - static_assert(std::numeric_limits<uint32_t>::max() <= std::numeric_limits<size_t>::max(), "size_t must be at least 32bits"); - mSceneLength = static_cast<size_t>(header.sceneLength); // Can't be larger than 4GB (max. uint32_t) - - mBodyOffset = sizeof(header) + mSceneLength; - mBodyOffset = (mBodyOffset + 3) & ~3; // Round up to next multiple of 4 - - mBodyLength = header.length - mBodyOffset; -} - -inline void Asset::Load(const std::string &pFile, bool isBinary) { - mCurrentAssetDir.clear(); - - /*int pos = std::max(int(pFile.rfind('/')), int(pFile.rfind('\\'))); - if (pos != int(std::string::npos)) mCurrentAssetDir = pFile.substr(0, pos + 1);*/ - if (0 != strncmp(pFile.c_str(), AI_MEMORYIO_MAGIC_FILENAME, AI_MEMORYIO_MAGIC_FILENAME_LENGTH)) { - mCurrentAssetDir = getCurrentAssetDir(pFile); - } - - shared_ptr<IOStream> stream(OpenFile(pFile.c_str(), "rb", true)); - if (!stream) { - throw DeadlyImportError("GLTF: Could not open file for reading"); - } - - // is binary? then read the header - if (isBinary) { - SetAsBinary(); // also creates the body buffer - ReadBinaryHeader(*stream); - } else { - mSceneLength = stream->FileSize(); - mBodyLength = 0; - } - - // Smallest legal JSON file is "{}" Smallest loadable glTF file is larger than that but catch it later - if (mSceneLength < 2) { - throw DeadlyImportError("GLTF: No JSON file contents"); - } - - // Binary format only supports up to 4GB of JSON so limit it there to avoid extreme memory allocation - if (mSceneLength >= std::numeric_limits<uint32_t>::max()) { - throw DeadlyImportError("GLTF: JSON size greater than 4GB"); - } - - // read the scene data, ensure null termination - std::vector<char> sceneData(mSceneLength + 1); - sceneData[mSceneLength] = '\0'; - - if (stream->Read(&sceneData[0], 1, mSceneLength) != mSceneLength) { - throw DeadlyImportError("GLTF: Could not read the file contents"); - } - - // parse the JSON document - - Document doc; - doc.ParseInsitu(&sceneData[0]); - - if (doc.HasParseError()) { - char buffer[32]; - ai_snprintf(buffer, 32, "%d", static_cast<int>(doc.GetErrorOffset())); - throw DeadlyImportError("GLTF: JSON parse error, offset ", buffer, ": ", GetParseError_En(doc.GetParseError())); - } - - if (!doc.IsObject()) { - throw DeadlyImportError("GLTF: JSON document root must be a JSON object"); - } - - // Fill the buffer instance for the current file embedded contents - if (mBodyLength > 0) { - if (!mBodyBuffer->LoadFromStream(*stream, mBodyLength, mBodyOffset)) { - throw DeadlyImportError("GLTF: Unable to read gltf file"); - } - } - - // Load the metadata - asset.Read(doc); - ReadExtensionsUsed(doc); - - // Prepare the dictionaries - for (size_t i = 0; i < mDicts.size(); ++i) { - mDicts[i]->AttachToDocument(doc); - } - - // Read the "scene" property, which specifies which scene to load - // and recursively load everything referenced by it - Value *curScene = FindString(doc, "scene"); - if (nullptr != curScene) { - this->scene = scenes.Get(curScene->GetString()); - } - - // Clean up - for (size_t i = 0; i < mDicts.size(); ++i) { - mDicts[i]->DetachFromDocument(); - } -} - -inline void Asset::SetAsBinary() { - if (!extensionsUsed.KHR_binary_glTF) { - extensionsUsed.KHR_binary_glTF = true; - mBodyBuffer = buffers.Create("binary_glTF"); - mBodyBuffer->MarkAsSpecial(); - } -} - -inline void Asset::ReadExtensionsUsed(Document &doc) { - Value *extsUsed = FindArray(doc, "extensionsUsed"); - if (!extsUsed) return; - - std::gltf_unordered_map<std::string, bool> exts; - - for (unsigned int i = 0; i < extsUsed->Size(); ++i) { - if ((*extsUsed)[i].IsString()) { - exts[(*extsUsed)[i].GetString()] = true; - } - } - - CHECK_EXT(KHR_binary_glTF); - CHECK_EXT(KHR_materials_common); - -#undef CHECK_EXT -} - -inline IOStream *Asset::OpenFile(const std::string &path, const char *mode, bool absolute) { -#ifdef ASSIMP_API - (void)absolute; - return mIOSystem->Open(path, mode); -#else - if (path.size() < 2) return 0; - if (!absolute && path[1] != ':' && path[0] != '/') { // relative? - path = mCurrentAssetDir + path; - } - FILE *f = fopen(path.c_str(), mode); - return f ? new IOStream(f) : 0; -#endif -} - -inline std::string Asset::FindUniqueID(const std::string &str, const char *suffix) { - std::string id = str; - - if (!id.empty()) { - if (mUsedIds.find(id) == mUsedIds.end()) - return id; - - id += "_"; - } - - id += suffix; - - Asset::IdMap::iterator it = mUsedIds.find(id); - if (it == mUsedIds.end()) - return id; - - char buffer[1024]; - int offset = ai_snprintf(buffer, sizeof(buffer), "%s_", id.c_str()); - for (int i = 0; it != mUsedIds.end(); ++i) { - ai_snprintf(buffer + offset, sizeof(buffer) - offset, "%d", i); - id = buffer; - it = mUsedIds.find(id); - } - - return id; -} - -#if _MSC_VER -#pragma warning(pop) -#endif // _MSC_VER - -} // namespace glTF |