From 38626d426097e2917238f9ee6d67c173037ffdcc Mon Sep 17 00:00:00 2001 From: jamesgk Date: Wed, 19 Jul 2017 13:21:43 -0700 Subject: [PATCH 1/9] glTF: start fork of files used in export, for glTF2 --- code/glTF2Asset.h | 1194 +++++++++++++++++++++++++++ code/glTF2Asset.inl | 1636 +++++++++++++++++++++++++++++++++++++ code/glTF2AssetWriter.h | 95 +++ code/glTF2AssetWriter.inl | 685 ++++++++++++++++ code/glTF2Exporter.cpp | 1007 +++++++++++++++++++++++ code/glTF2Exporter.h | 118 +++ 6 files changed, 4735 insertions(+) create mode 100644 code/glTF2Asset.h create mode 100644 code/glTF2Asset.inl create mode 100644 code/glTF2AssetWriter.h create mode 100644 code/glTF2AssetWriter.inl create mode 100644 code/glTF2Exporter.cpp create mode 100644 code/glTF2Exporter.h diff --git a/code/glTF2Asset.h b/code/glTF2Asset.h new file mode 100644 index 000000000..41d0dfd06 --- /dev/null +++ b/code/glTF2Asset.h @@ -0,0 +1,1194 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 glTFAsset.h + * Declares a glTF class to handle gltf/glb files + * + * glTF Extensions Support: + * KHR_binary_glTF: full + * KHR_materials_common: full + */ +#ifndef GLTFASSET_H_INC +#define GLTFASSET_H_INC + +#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER + +#include +#include +#include +#include +#include +#include + +#define RAPIDJSON_HAS_STDSTRING 1 +#include +#include +#include + +#ifdef ASSIMP_API +# include +# include +# include "ByteSwapper.h" +#else +# include +# define AI_SWAP4(p) +# define ai_assert +#endif + + +#if _MSC_VER > 1500 || (defined __GNUC___) +# define ASSIMP_GLTF_USE_UNORDERED_MULTIMAP +# else +# define gltf_unordered_map map +#endif + +#ifdef ASSIMP_GLTF_USE_UNORDERED_MULTIMAP +# include +# if _MSC_VER > 1600 +# define gltf_unordered_map unordered_map +# else +# define gltf_unordered_map tr1::unordered_map +# endif +#endif + +namespace glTF +{ +#ifdef ASSIMP_API + using Assimp::IOStream; + using Assimp::IOSystem; + using std::shared_ptr; +#else + using std::shared_ptr; + + typedef std::runtime_error DeadlyImportError; + typedef std::runtime_error DeadlyExportError; + + enum aiOrigin { aiOrigin_SET = 0, aiOrigin_CUR = 1, aiOrigin_END = 2 }; + class IOSystem; + class IOStream + { + FILE* f; + public: + IOStream(FILE* file) : f(file) {} + ~IOStream() { fclose(f); f = 0; } + + size_t Read(void* b, size_t sz, size_t n) { return fread(b, sz, n, f); } + size_t Write(const void* b, size_t sz, size_t n) { return fwrite(b, sz, n, f); } + int Seek(size_t off, aiOrigin orig) { return fseek(f, off, int(orig)); } + size_t Tell() const { return ftell(f); } + + size_t FileSize() { + long p = Tell(), len = (Seek(0, aiOrigin_END), Tell()); + return size_t((Seek(p, aiOrigin_SET), len)); + } + }; +#endif + + using rapidjson::Value; + using rapidjson::Document; + + class Asset; + class AssetWriter; + + struct BufferView; // here due to cross-reference + struct Texture; + struct Light; + struct Skin; + + + // Vec/matrix types, as raw float arrays + typedef float (vec3)[3]; + typedef float (vec4)[4]; + typedef float (mat4)[16]; + + + namespace Util + { + void EncodeBase64(const uint8_t* in, size_t inLength, std::string& out); + + size_t DecodeBase64(const char* in, size_t inLength, uint8_t*& out); + + inline size_t DecodeBase64(const char* in, uint8_t*& out) + { + return DecodeBase64(in, strlen(in), out); + } + + struct DataURI + { + const char* mediaType; + const char* charset; + bool base64; + const char* data; + size_t dataLength; + }; + + //! Check if a uri is a data URI + inline bool ParseDataURI(const char* uri, size_t uriLen, DataURI& out); + } + + + //! Magic number for GLB files + #define AI_GLB_MAGIC_NUMBER "glTF" + + #ifdef ASSIMP_API + #include "./../include/assimp/Compiler/pushpack1.h" + #endif + + //! For the KHR_binary_glTF extension (binary .glb file) + //! 20-byte header (+ the JSON + a "body" data section) + struct GLB_Header + { + uint8_t magic[4]; //!< Magic number: "glTF" + uint32_t version; //!< Version number (always 1 as of the last update) + uint32_t length; //!< Total length of the Binary glTF, including header, scene, and body, in bytes + uint32_t sceneLength; //!< Length, in bytes, of the glTF scene + uint32_t sceneFormat; //!< Specifies the format of the glTF scene (see the SceneFormat enum) + } PACK_STRUCT; + + #ifdef ASSIMP_API + #include "./../include/assimp/Compiler/poppack1.h" + #endif + + + //! Values for the GLB_Header::sceneFormat field + enum SceneFormat + { + SceneFormat_JSON = 0 + }; + + //! Values for the mesh primitive modes + enum PrimitiveMode + { + PrimitiveMode_POINTS = 0, + PrimitiveMode_LINES = 1, + PrimitiveMode_LINE_LOOP = 2, + PrimitiveMode_LINE_STRIP = 3, + PrimitiveMode_TRIANGLES = 4, + PrimitiveMode_TRIANGLE_STRIP = 5, + PrimitiveMode_TRIANGLE_FAN = 6 + }; + + //! Values for the Accessor::componentType field + enum ComponentType + { + ComponentType_BYTE = 5120, + ComponentType_UNSIGNED_BYTE = 5121, + ComponentType_SHORT = 5122, + ComponentType_UNSIGNED_SHORT = 5123, + ComponentType_UNSIGNED_INT = 5125, + ComponentType_FLOAT = 5126 + }; + + inline unsigned int ComponentTypeSize(ComponentType t) + { + switch (t) { + case ComponentType_SHORT: + case ComponentType_UNSIGNED_SHORT: + return 2; + + case ComponentType_UNSIGNED_INT: + case ComponentType_FLOAT: + return 4; + + case ComponentType_BYTE: + case ComponentType_UNSIGNED_BYTE: + return 1; + default: + throw DeadlyImportError("GLTF: Unsupported Component Type "+t); + } + } + + //! Values for the BufferView::target field + enum BufferViewTarget + { + BufferViewTarget_ARRAY_BUFFER = 34962, + BufferViewTarget_ELEMENT_ARRAY_BUFFER = 34963 + }; + + //! Values for the Sampler::magFilter field + enum SamplerMagFilter + { + SamplerMagFilter_Nearest = 9728, + SamplerMagFilter_Linear = 9729 + }; + + //! Values for the Sampler::minFilter field + enum SamplerMinFilter + { + SamplerMinFilter_Nearest = 9728, + SamplerMinFilter_Linear = 9729, + SamplerMinFilter_Nearest_Mipmap_Nearest = 9984, + SamplerMinFilter_Linear_Mipmap_Nearest = 9985, + SamplerMinFilter_Nearest_Mipmap_Linear = 9986, + SamplerMinFilter_Linear_Mipmap_Linear = 9987 + }; + + //! Values for the Sampler::wrapS and Sampler::wrapT field + enum SamplerWrap + { + SamplerWrap_Clamp_To_Edge = 33071, + SamplerWrap_Mirrored_Repeat = 33648, + SamplerWrap_Repeat = 10497 + }; + + //! Values for the Texture::format and Texture::internalFormat fields + enum TextureFormat + { + TextureFormat_ALPHA = 6406, + TextureFormat_RGB = 6407, + TextureFormat_RGBA = 6408, + TextureFormat_LUMINANCE = 6409, + TextureFormat_LUMINANCE_ALPHA = 6410 + }; + + //! Values for the Texture::target field + enum TextureTarget + { + TextureTarget_TEXTURE_2D = 3553 + }; + + //! Values for the Texture::type field + enum TextureType + { + TextureType_UNSIGNED_BYTE = 5121, + TextureType_UNSIGNED_SHORT_5_6_5 = 33635, + TextureType_UNSIGNED_SHORT_4_4_4_4 = 32819, + TextureType_UNSIGNED_SHORT_5_5_5_1 = 32820 + }; + + + //! Values for the Accessor::type field (helper class) + class AttribType + { + public: + enum Value + { SCALAR, VEC2, VEC3, VEC4, MAT2, MAT3, MAT4 }; + + private: + static const size_t NUM_VALUES = static_cast(MAT4)+1; + + struct Info + { const char* name; unsigned int numComponents; }; + + template struct data + { static const Info infos[NUM_VALUES]; }; + + public: + inline static Value FromString(const char* str) + { + for (size_t i = 0; i < NUM_VALUES; ++i) { + if (strcmp(data<0>::infos[i].name, str) == 0) { + return static_cast(i); + } + } + return SCALAR; + } + + inline static const char* ToString(Value type) + { + return data<0>::infos[static_cast(type)].name; + } + + inline static unsigned int GetNumComponents(Value type) + { + return data<0>::infos[static_cast(type)].numComponents; + } + }; + + // must match the order of the AttribTypeTraits::Value enum! + template const AttribType::Info + AttribType::data::infos[AttribType::NUM_VALUES] = { + { "SCALAR", 1 }, { "VEC2", 2 }, { "VEC3", 3 }, { "VEC4", 4 }, { "MAT2", 4 }, { "MAT3", 9 }, { "MAT4", 16 } + }; + + + + //! A reference to one top-level object, which is valid + //! until the Asset instance is destroyed + template + class Ref + { + std::vector* vector; + unsigned int index; + + public: + Ref() : vector(0), index(0) {} + Ref(std::vector& vec, unsigned int idx) : vector(&vec), index(idx) {} + + inline unsigned int GetIndex() const + { return index; } + + operator bool() const + { return vector != 0; } + + T* operator->() + { return (*vector)[index]; } + + T& operator*() + { return *((*vector)[index]); } + }; + + //! Helper struct to represent values that might not be present + template + struct Nullable + { + T value; + bool isPresent; + + Nullable() : isPresent(false) {} + Nullable(T& val) : value(val), isPresent(true) {} + }; + + + //! Base classe for all glTF top-level objects + struct Object + { + std::string id; //!< The globally unique ID used to reference this object + std::string name; //!< The user-defined name of this object + + //! Objects marked as special are not exported (used to emulate the binary body buffer) + virtual bool IsSpecial() const + { return false; } + + virtual ~Object() {} + + //! Maps special IDs to another ID, where needed. Subclasses may override it (statically) + static const char* TranslateId(Asset& r, const char* id) + { return id; } + }; + + // + // Classes for each glTF top-level object type + // + + //! A typed view into a BufferView. A BufferView contains raw binary data. + //! An accessor provides a typed view into a BufferView or a subset of a BufferView + //! similar to how WebGL's vertexAttribPointer() defines an attribute in a buffer. + struct Accessor : public Object + { + Ref bufferView; //!< The ID of the bufferView. (required) + unsigned int byteOffset; //!< The offset relative to the start of the bufferView in bytes. (required) + unsigned int byteStride; //!< The stride, in bytes, between attributes referenced by this accessor. (default: 0) + ComponentType componentType; //!< The datatype of components in the attribute. (required) + unsigned int count; //!< The number of attributes referenced by this accessor. (required) + AttribType::Value type; //!< Specifies if the attribute is a scalar, vector, or matrix. (required) + std::vector max; //!< Maximum value of each component in this attribute. + std::vector min; //!< Minimum value of each component in this attribute. + + unsigned int GetNumComponents(); + unsigned int GetBytesPerComponent(); + unsigned int GetElementSize(); + + inline uint8_t* GetPointer(); + + template + bool ExtractData(T*& outData); + + void WriteData(size_t count, const void* src_buffer, size_t src_stride); + + //! Helper class to iterate the data + class Indexer + { + friend struct Accessor; + + Accessor& accessor; + uint8_t* data; + size_t elemSize, stride; + + Indexer(Accessor& acc); + + public: + + //! Accesses the i-th value as defined by the accessor + template + T GetValue(int i); + + //! Accesses the i-th value as defined by the accessor + inline unsigned int GetUInt(int i) + { + return GetValue(i); + } + + inline bool IsValid() const + { + return data != 0; + } + }; + + inline Indexer GetIndexer() + { + return Indexer(*this); + } + + Accessor() {} + void Read(Value& obj, Asset& r); + }; + + //! A buffer points to binary geometry, animation, or skins. + struct Buffer : public Object + { + /********************* Types *********************/ + public: + + enum Type + { + Type_arraybuffer, + Type_text + }; + + /// \struct SEncodedRegion + /// Descriptor of encoded region in "bufferView". + struct SEncodedRegion + { + const size_t Offset;///< Offset from begin of "bufferView" to encoded region, in bytes. + const size_t EncodedData_Length;///< Size of encoded region, in bytes. + uint8_t* const DecodedData;///< Cached encoded data. + const size_t DecodedData_Length;///< Size of decoded region, in bytes. + const std::string ID;///< ID of the region. + + /// \fn SEncodedRegion(const size_t pOffset, const size_t pEncodedData_Length, uint8_t* pDecodedData, const size_t pDecodedData_Length, const std::string pID) + /// Constructor. + /// \param [in] pOffset - offset from begin of "bufferView" to encoded region, in bytes. + /// \param [in] pEncodedData_Length - size of encoded region, in bytes. + /// \param [in] pDecodedData - pointer to decoded data array. + /// \param [in] pDecodedData_Length - size of encoded region, in bytes. + /// \param [in] pID - ID of the region. + SEncodedRegion(const size_t pOffset, const size_t pEncodedData_Length, uint8_t* pDecodedData, const size_t pDecodedData_Length, const std::string pID) + : Offset(pOffset), EncodedData_Length(pEncodedData_Length), DecodedData(pDecodedData), DecodedData_Length(pDecodedData_Length), ID(pID) + {} + + /// \fn ~SEncodedRegion() + /// Destructor. + ~SEncodedRegion() { delete [] DecodedData; } + }; + + /******************* Variables *******************/ + + //std::string uri; //!< The uri of the buffer. Can be a filepath, a data uri, etc. (required) + size_t byteLength; //!< The length of the buffer in bytes. (default: 0) + //std::string type; //!< XMLHttpRequest responseType (default: "arraybuffer") + + Type type; + + /// \var EncodedRegion_Current + /// Pointer to currently active encoded region. + /// Why not decoding all regions at once and not to set one buffer with decoded data? + /// Yes, why not? Even "accessor" point to decoded data. I mean that fields "byteOffset", "byteStride" and "count" has values which describes decoded + /// data array. But only in range of mesh while is active parameters from "compressedData". For another mesh accessors point to decoded data too. But + /// offset is counted for another regions is encoded. + /// Example. You have two meshes. For every of it you have 4 bytes of data. That data compressed to 2 bytes. So, you have buffer with encoded data: + /// M1_E0, M1_E1, M2_E0, M2_E1. + /// After decoding you'll get: + /// M1_D0, M1_D1, M1_D2, M1_D3, M2_D0, M2_D1, M2_D2, M2_D3. + /// "accessors" must to use values that point to decoded data - obviously. So, you'll expect "accessors" like + /// "accessor_0" : { byteOffset: 0, byteLength: 4}, "accessor_1" : { byteOffset: 4, byteLength: 4} + /// but in real life you'll get: + /// "accessor_0" : { byteOffset: 0, byteLength: 4}, "accessor_1" : { byteOffset: 2, byteLength: 4} + /// Yes, accessor of next mesh has offset and length which mean: current mesh data is decoded, all other data is encoded. + /// And when before you start to read data of current mesh (with encoded data ofcourse) you must decode region of "bufferView", after read finished + /// delete encoding mark. And after that you can repeat process: decode data of mesh, read, delete decoded data. + /// + /// Remark. Encoding all data at once is good in world with computers which do not has RAM limitation. So, you must use step by step encoding in + /// exporter and importer. And, thanks to such way, there is no need to load whole file into memory. + SEncodedRegion* EncodedRegion_Current; + + private: + + shared_ptr mData; //!< Pointer to the data + bool mIsSpecial; //!< Set to true for special cases (e.g. the body buffer) + + /// \var EncodedRegion_List + /// List of encoded regions. + std::list EncodedRegion_List; + + /******************* Functions *******************/ + + public: + + Buffer(); + ~Buffer(); + + void Read(Value& obj, Asset& r); + + bool LoadFromStream(IOStream& stream, size_t length = 0, size_t baseOffset = 0); + + /// \fn void EncodedRegion_Mark(const size_t pOffset, const size_t pEncodedData_Length, uint8_t* pDecodedData, const size_t pDecodedData_Length, const std::string& pID) + /// Mark region of "bufferView" as encoded. When data is request from such region then "bufferView" use decoded data. + /// \param [in] pOffset - offset from begin of "bufferView" to encoded region, in bytes. + /// \param [in] pEncodedData_Length - size of encoded region, in bytes. + /// \param [in] pDecodedData - pointer to decoded data array. + /// \param [in] pDecodedData_Length - size of encoded region, in bytes. + /// \param [in] pID - ID of the region. + void EncodedRegion_Mark(const size_t pOffset, const size_t pEncodedData_Length, uint8_t* pDecodedData, const size_t pDecodedData_Length, const std::string& pID); + + /// \fn void EncodedRegion_SetCurrent(const std::string& pID) + /// Select current encoded region by ID. \sa EncodedRegion_Current. + /// \param [in] pID - ID of the region. + void EncodedRegion_SetCurrent(const std::string& pID); + + /// \fn bool ReplaceData(const size_t pBufferData_Offset, const size_t pBufferData_Count, const uint8_t* pReplace_Data, const size_t pReplace_Count) + /// Replace part of buffer data. Pay attention that function work with original array of data (\ref mData) not with encoded regions. + /// \param [in] pBufferData_Offset - index of first element in buffer from which new data will be placed. + /// \param [in] pBufferData_Count - count of bytes in buffer which will be replaced. + /// \param [in] pReplace_Data - pointer to array with new data for buffer. + /// \param [in] pReplace_Count - count of bytes in new data. + /// \return true - if successfully replaced, false if input arguments is out of range. + bool ReplaceData(const size_t pBufferData_Offset, const size_t pBufferData_Count, const uint8_t* pReplace_Data, const size_t pReplace_Count); + + size_t AppendData(uint8_t* data, size_t length); + void Grow(size_t amount); + + uint8_t* GetPointer() + { return mData.get(); } + + void MarkAsSpecial() + { mIsSpecial = true; } + + bool IsSpecial() const + { return mIsSpecial; } + + std::string GetURI() + { return std::string(this->id) + ".bin"; } + + static const char* TranslateId(Asset& r, const char* id); + }; + + //! A view into a buffer generally representing a subset of the buffer. + struct BufferView : public Object + { + Ref buffer; //! The ID of the buffer. (required) + size_t byteOffset; //! The offset into the buffer in bytes. (required) + size_t byteLength; //! The length of the bufferView in bytes. (default: 0) + + BufferViewTarget target; //! The target that the WebGL buffer should be bound to. + + void Read(Value& obj, Asset& r); + }; + + struct Camera : public Object + { + enum Type + { + Perspective, + Orthographic + }; + + Type type; + + union + { + struct { + float aspectRatio; //! bufferView; + + std::string mimeType; + + int width, height; + + private: + uint8_t* mData; + size_t mDataLength; + + public: + + Image(); + void Read(Value& obj, Asset& r); + + inline bool HasData() const + { return mDataLength > 0; } + + inline size_t GetDataLength() const + { return mDataLength; } + + inline const uint8_t* GetData() const + { return mData; } + + inline uint8_t* StealData(); + + inline void SetData(uint8_t* data, size_t length, Asset& r); + }; + + //! Holds a material property that can be a texture or a color + struct TexProperty + { + Ref texture; + vec4 color; + }; + + //! The material appearance of a primitive. + struct Material : public Object + { + //Ref source; //!< The ID of the technique. + //std::gltf_unordered_map values; //!< A dictionary object of parameter values. + + //! Techniques defined by KHR_materials_common + enum Technique + { + Technique_undefined = 0, + Technique_BLINN, + Technique_PHONG, + Technique_LAMBERT, + Technique_CONSTANT + }; + + TexProperty ambient; + TexProperty diffuse; + TexProperty specular; + TexProperty emission; + + bool doubleSided; + bool transparent; + float transparency; + float shininess; + + Technique technique; + + Material() { SetDefaults(); } + void Read(Value& obj, Asset& r); + void SetDefaults(); + }; + + //! A set of primitives to be rendered. A node can contain one or more meshes. A node's transform places the mesh in the scene. + struct Mesh : public Object + { + typedef std::vector< Ref > AccessorList; + + struct Primitive + { + PrimitiveMode mode; + + struct Attributes { + AccessorList position, normal, texcoord, color, joint, jointmatrix, weight; + } attributes; + + Ref indices; + + Ref material; + }; + + /// \struct SExtension + /// Extension used for mesh. + struct SExtension + { + /// \enum EType + /// Type of extension. + enum EType + { + #ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + Compression_Open3DGC,///< Compression of mesh data using Open3DGC algorithm. + #endif + + Unknown + }; + + EType Type;///< Type of extension. + + /// \fn SExtension + /// Constructor. + /// \param [in] pType - type of extension. + SExtension(const EType pType) + : Type(pType) + {} + + virtual ~SExtension() { + // empty + } + }; + + #ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + /// \struct SCompression_Open3DGC + /// Compression of mesh data using Open3DGC algorithm. + struct SCompression_Open3DGC : public SExtension + { + using SExtension::Type; + + std::string Buffer;///< ID of "buffer" used for storing compressed data. + size_t Offset;///< Offset in "bufferView" where compressed data are stored. + size_t Count;///< Count of elements in compressed data. Is always equivalent to size in bytes: look comments for "Type" and "Component_Type". + bool Binary;///< If true then "binary" mode is used for coding, if false - "ascii" mode. + size_t IndicesCount;///< Count of indices in mesh. + size_t VerticesCount;///< Count of vertices in mesh. + // AttribType::Value Type;///< Is always "SCALAR". + // ComponentType Component_Type;///< Is always "ComponentType_UNSIGNED_BYTE" (5121). + + /// \fn SCompression_Open3DGC + /// Constructor. + SCompression_Open3DGC() + : SExtension(Compression_Open3DGC) { + // empty + } + + virtual ~SCompression_Open3DGC() { + // empty + } + }; + #endif + + std::vector primitives; + std::list Extension;///< List of extensions used in mesh. + + Mesh() {} + + /// \fn ~Mesh() + /// Destructor. + ~Mesh() { for(std::list::iterator it = Extension.begin(), it_end = Extension.end(); it != it_end; it++) { delete *it; }; } + + /// \fn void Read(Value& pJSON_Object, Asset& pAsset_Root) + /// Get mesh data from JSON-object and place them to root asset. + /// \param [in] pJSON_Object - reference to pJSON-object from which data are read. + /// \param [out] pAsset_Root - reference to root assed where data will be stored. + void Read(Value& pJSON_Object, Asset& pAsset_Root); + + #ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + /// \fn void Decode_O3DGC(const SCompression_Open3DGC& pCompression_Open3DGC, Asset& pAsset_Root) + /// Decode part of "buffer" which encoded with Open3DGC algorithm. + /// \param [in] pCompression_Open3DGC - reference to structure which describe encoded region. + /// \param [out] pAsset_Root - reference to root assed where data will be stored. + void Decode_O3DGC(const SCompression_Open3DGC& pCompression_Open3DGC, Asset& pAsset_Root); + #endif + }; + + struct Node : public Object + { + std::vector< Ref > children; + std::vector< Ref > meshes; + + Nullable matrix; + Nullable translation; + Nullable rotation; + Nullable scale; + + Ref camera; + Ref light; + + std::vector< Ref > skeletons; //!< The ID of skeleton nodes. Each of which is the root of a node hierarchy. + Ref skin; //!< The ID of the skin referenced by this node. + std::string jointName; //!< Name used when this node is a joint in a skin. + + Ref parent; //!< This is not part of the glTF specification. Used as a helper. + + Node() {} + void Read(Value& obj, Asset& r); + }; + + struct Program : public Object + { + Program() {} + void Read(Value& obj, Asset& r); + }; + + + struct Sampler : public Object + { + SamplerMagFilter magFilter; //!< The texture magnification filter. (required) + SamplerMinFilter minFilter; //!< The texture minification filter. (required) + SamplerWrap wrapS; //!< The texture wrapping in the S direction. (required) + SamplerWrap wrapT; //!< The texture wrapping in the T direction. (required) + + Sampler() {} + void Read(Value& obj, Asset& r); + void SetDefaults(); + }; + + struct Scene : public Object + { + std::vector< Ref > nodes; + + Scene() {} + void Read(Value& obj, Asset& r); + }; + + struct Shader : public Object + { + Shader() {} + void Read(Value& obj, Asset& r); + }; + + struct Skin : public Object + { + Nullable bindShapeMatrix; //!< Floating-point 4x4 transformation matrix stored in column-major order. + Ref inverseBindMatrices; //!< The ID of the accessor containing the floating-point 4x4 inverse-bind matrices. + std::vector> jointNames; //!< Joint names of the joints (nodes with a jointName property) in this skin. + std::string name; //!< The user-defined name of this object. + + Skin() {} + void Read(Value& obj, Asset& r); + }; + + struct Technique : public Object + { + struct Parameters + { + + }; + + struct States + { + + }; + + struct Functions + { + + }; + + Technique() {} + void Read(Value& obj, Asset& r); + }; + + //! A texture and its sampler. + struct Texture : public Object + { + Ref sampler; //!< The ID of the sampler used by this texture. (required) + Ref source; //!< The ID of the image used by this texture. (required) + + //TextureFormat format; //!< The texture's format. (default: TextureFormat_RGBA) + //TextureFormat internalFormat; //!< The texture's internal format. (default: TextureFormat_RGBA) + + //TextureTarget target; //!< The target that the WebGL texture should be bound to. (default: TextureTarget_TEXTURE_2D) + //TextureType type; //!< Texel datatype. (default: TextureType_UNSIGNED_BYTE) + + Texture() {} + void Read(Value& obj, Asset& r); + }; + + + //! A light (from KHR_materials_common extension) + struct Light : public Object + { + enum Type + { + Type_undefined, + Type_ambient, + Type_directional, + Type_point, + Type_spot + }; + + Type type; + + vec4 color; + float distance; + float constantAttenuation; + float linearAttenuation; + float quadraticAttenuation; + float falloffAngle; + float falloffExponent; + + Light() {} + void Read(Value& obj, Asset& r); + + void SetDefaults(); + }; + + struct Animation : public Object + { + struct AnimSampler { + std::string id; //!< The ID of this sampler. + std::string input; //!< The ID of a parameter in this animation to use as key-frame input. + std::string interpolation; //!< Type of interpolation algorithm to use between key-frames. + std::string output; //!< The ID of a parameter in this animation to use as key-frame output. + }; + + struct AnimChannel { + std::string sampler; //!< The ID of one sampler present in the containing animation's samplers property. + + struct AnimTarget { + Ref id; //!< The ID of the node to animate. + std::string path; //!< The name of property of the node to animate ("translation", "rotation", or "scale"). + } target; + }; + + struct AnimParameters { + Ref TIME; //!< Accessor reference to a buffer storing a array of floating point scalar values. + Ref rotation; //!< Accessor reference to a buffer storing a array of four-component floating-point vectors. + Ref scale; //!< Accessor reference to a buffer storing a array of three-component floating-point vectors. + Ref translation; //!< Accessor reference to a buffer storing a array of three-component floating-point vectors. + }; + + // AnimChannel Channels[3]; //!< Connect the output values of the key-frame animation to a specific node in the hierarchy. + // AnimParameters Parameters; //!< The samplers that interpolate between the key-frames. + // AnimSampler Samplers[3]; //!< The parameterized inputs representing the key-frame data. + + std::vector Channels; //!< Connect the output values of the key-frame animation to a specific node in the hierarchy. + AnimParameters Parameters; //!< The samplers that interpolate between the key-frames. + std::vector Samplers; //!< The parameterized inputs representing the key-frame data. + + Animation() {} + void Read(Value& obj, Asset& r); + }; + + + //! Base class for LazyDict that acts as an interface + class LazyDictBase + { + public: + virtual ~LazyDictBase() {} + + virtual void AttachToDocument(Document& doc) = 0; + virtual void DetachFromDocument() = 0; + + virtual void WriteObjects(AssetWriter& writer) = 0; + }; + + + template + class LazyDict; + + //! (Implemented in glTFAssetWriter.h) + template + void WriteLazyDict(LazyDict& d, AssetWriter& w); + + + //! Manages lazy loading of the glTF top-level objects, and keeps a reference to them by ID + //! It is the owner the loaded objects, so when it is destroyed it also deletes them + template + class LazyDict : public LazyDictBase + { + friend class Asset; + friend class AssetWriter; + + typedef typename std::gltf_unordered_map< std::string, unsigned int > Dict; + + std::vector mObjs; //! The read objects + Dict mObjsById; //! The read objects accessible by id + const char* mDictId; //! ID of the dictionary object + const char* mExtId; //! ID of the extension defining the dictionary + Value* mDict; //! JSON dictionary object + Asset& mAsset; //! The asset instance + + void AttachToDocument(Document& doc); + void DetachFromDocument(); + + void WriteObjects(AssetWriter& writer) + { WriteLazyDict(*this, writer); } + + Ref Add(T* obj); + + public: + LazyDict(Asset& asset, const char* dictId, const char* extId = 0); + ~LazyDict(); + + Ref Get(const char* id); + Ref Get(unsigned int i); + Ref Get(const std::string& pID) { return Get(pID.c_str()); } + + Ref Create(const char* id); + Ref Create(const std::string& id) + { return Create(id.c_str()); } + + inline unsigned int Size() const + { return unsigned(mObjs.size()); } + + inline T& operator[](size_t i) + { return *mObjs[i]; } + + }; + + + struct AssetMetadata + { + std::string copyright; //!< A copyright message suitable for display to credit the content creator. + std::string generator; //!< Tool that generated this glTF model.Useful for debugging. + bool premultipliedAlpha; //!< Specifies if the shaders were generated with premultiplied alpha. (default: false) + + struct { + std::string api; //!< Specifies the target rendering API (default: "WebGL") + std::string version; //!< Specifies the target rendering API (default: "1.0.3") + } profile; //!< Specifies the target rendering API and version, e.g., WebGL 1.0.3. (default: {}) + + int version; //!< The glTF format version (should be 1) + + void Read(Document& doc); + + AssetMetadata() + : premultipliedAlpha(false) + , version(0) + { + } + }; + + // + // glTF Asset class + // + + //! Root object for a glTF asset + class Asset + { + typedef std::gltf_unordered_map IdMap; + + template + friend class LazyDict; + + friend struct Buffer; // To access OpenFile + + friend class AssetWriter; + + private: + IOSystem* mIOSystem; + + std::string mCurrentAssetDir; + + size_t mSceneLength; + size_t mBodyOffset, mBodyLength; + + std::vector mDicts; + + IdMap mUsedIds; + + Ref mBodyBuffer; + + Asset(Asset&); + Asset& operator=(const Asset&); + + public: + + //! Keeps info about the enabled extensions + struct Extensions + { + bool KHR_binary_glTF; + bool KHR_materials_common; + + } extensionsUsed; + + AssetMetadata asset; + + + // Dictionaries for each type of object + + LazyDict accessors; + LazyDict animations; + LazyDict buffers; + LazyDict bufferViews; + LazyDict cameras; + LazyDict images; + LazyDict materials; + LazyDict meshes; + LazyDict nodes; + //LazyDict programs; + LazyDict samplers; + LazyDict scenes; + //LazyDict shaders; + LazyDict skins; + //LazyDict techniques; + LazyDict textures; + + LazyDict lights; // KHR_materials_common ext + + Ref scene; + + public: + Asset(IOSystem* io = 0) + : mIOSystem(io) + , asset() + , accessors (*this, "accessors") + , animations (*this, "animations") + , buffers (*this, "buffers") + , bufferViews (*this, "bufferViews") + , cameras (*this, "cameras") + , images (*this, "images") + , materials (*this, "materials") + , meshes (*this, "meshes") + , nodes (*this, "nodes") + //, programs (*this, "programs") + , samplers (*this, "samplers") + , scenes (*this, "scenes") + //, shaders (*this, "shaders") + , skins (*this, "skins") + //, techniques (*this, "techniques") + , textures (*this, "textures") + , lights (*this, "lights", "KHR_materials_common") + { + memset(&extensionsUsed, 0, sizeof(extensionsUsed)); + } + + //! Main function + void Load(const std::string& file, bool isBinary = false); + + //! Enables the "KHR_binary_glTF" extension on the asset + void SetAsBinary(); + + //! Search for an available name, starting from the given strings + std::string FindUniqueID(const std::string& str, const char* suffix); + + Ref GetBodyBuffer() + { return mBodyBuffer; } + + private: + void ReadBinaryHeader(IOStream& stream); + + void ReadExtensionsUsed(Document& doc); + + + IOStream* OpenFile(std::string path, const char* mode, bool absolute = false); + }; + +} + +// Include the implementation of the methods +#include "glTFAsset.inl" + +#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER + +#endif // GLTFASSET_H_INC diff --git a/code/glTF2Asset.inl b/code/glTF2Asset.inl new file mode 100644 index 000000000..fe29dde70 --- /dev/null +++ b/code/glTF2Asset.inl @@ -0,0 +1,1636 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 "StringUtils.h" + +// Header files, Assimp +#include + +#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + // Header files, Open3DGC. +# include +#endif + +using namespace Assimp; + +namespace glTF { + +namespace { + + // + // JSON Value reading helpers + // + + template + struct ReadHelper { static bool Read(Value& val, T& out) { + return val.IsInt() ? out = static_cast(val.GetInt()), true : false; + }}; + + template<> struct ReadHelper { static bool Read(Value& val, bool& out) { + return val.IsBool() ? out = val.GetBool(), true : false; + }}; + + template<> struct ReadHelper { static bool Read(Value& val, float& out) { + return val.IsNumber() ? out = static_cast(val.GetDouble()), true : false; + }}; + + template struct ReadHelper { static bool Read(Value& val, float (&out)[N]) { + if (!val.IsArray() || val.Size() != N) return false; + for (unsigned int i = 0; i < N; ++i) { + if (val[i].IsNumber()) + out[i] = static_cast(val[i].GetDouble()); + } + return true; + }}; + + template<> struct ReadHelper { static bool Read(Value& val, const char*& out) { + return val.IsString() ? (out = val.GetString(), true) : false; + }}; + + template<> struct ReadHelper { static bool Read(Value& val, std::string& out) { + return val.IsString() ? (out = std::string(val.GetString(), val.GetStringLength()), true) : false; + }}; + + template struct ReadHelper< Nullable > { static bool Read(Value& val, Nullable& out) { + return out.isPresent = ReadHelper::Read(val, out.value); + }}; + + template + inline static bool ReadValue(Value& val, T& out) + { + return ReadHelper::Read(val, out); + } + + template + inline static bool ReadMember(Value& obj, const char* id, T& out) + { + Value::MemberIterator it = obj.FindMember(id); + if (it != obj.MemberEnd()) { + return ReadHelper::Read(it->value, out); + } + return false; + } + + template + inline static T MemberOrDefault(Value& obj, const char* id, T defaultValue) + { + T out; + return ReadMember(obj, id, out) ? out : defaultValue; + } + + inline Value* FindMember(Value& val, const char* id) + { + Value::MemberIterator it = val.FindMember(id); + return (it != val.MemberEnd()) ? &it->value : 0; + } + + inline Value* FindString(Value& val, const char* id) + { + Value::MemberIterator it = val.FindMember(id); + return (it != val.MemberEnd() && it->value.IsString()) ? &it->value : 0; + } + + inline Value* FindArray(Value& val, const char* id) + { + Value::MemberIterator it = val.FindMember(id); + return (it != val.MemberEnd() && it->value.IsArray()) ? &it->value : 0; + } + + inline Value* FindObject(Value& val, const char* id) + { + Value::MemberIterator it = val.FindMember(id); + return (it != val.MemberEnd() && it->value.IsObject()) ? &it->value : 0; + } +} + +// +// LazyDict methods +// + +template +inline LazyDict::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 +inline LazyDict::~LazyDict() +{ + for (size_t i = 0; i < mObjs.size(); ++i) { + delete mObjs[i]; + } +} + + +template +inline void LazyDict::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 +inline void LazyDict::DetachFromDocument() +{ + mDict = 0; +} + +template +Ref LazyDict::Get(unsigned int i) +{ + return Ref(mObjs, i); +} + +template +Ref LazyDict::Get(const char* id) +{ + id = T::TranslateId(mAsset, id); + + typename Dict::iterator it = mObjsById.find(id); + if (it != mObjsById.end()) { // already created? + return Ref(mObjs, it->second); + } + + // read it from the JSON object + if (!mDict) { + throw DeadlyImportError("GLTF: Missing section \"" + std::string(mDictId) + "\""); + } + + Value::MemberIterator obj = mDict->FindMember(id); + if (obj == mDict->MemberEnd()) { + throw DeadlyImportError("GLTF: Missing object with id \"" + std::string(id) + "\" in \"" + mDictId + "\""); + } + if (!obj->value.IsObject()) { + throw DeadlyImportError("GLTF: Object with id \"" + std::string(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 +Ref LazyDict::Add(T* obj) +{ + unsigned int idx = unsigned(mObjs.size()); + mObjs.push_back(obj); + mObjsById[obj->id] = idx; + mAsset.mUsedIds[obj->id] = true; + return Ref(mObjs, idx); +} + +template +Ref LazyDict::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(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(); + + Util::DataURI dataURI; + if (ParseDataURI(uri, it->GetStringLength(), dataURI)) { + if (dataURI.base64) { + uint8_t* data = 0; + this->byteLength = Util::DecodeBase64(dataURI.data, dataURI.dataLength, data); + this->mData.reset(data); + + if (statedLength > 0 && this->byteLength != statedLength) { + throw DeadlyImportError("GLTF: buffer \"" + id + "\", expected " + to_string(statedLength) + + " bytes, but found " + to_string(dataURI.dataLength)); + } + } + else { // assume raw data + if (statedLength != dataURI.dataLength) { + throw DeadlyImportError("GLTF: buffer \"" + id + "\", expected " + to_string(statedLength) + + " bytes, but found " + to_string(dataURI.dataLength)); + } + + this->mData.reset(new uint8_t[dataURI.dataLength]); + memcpy( this->mData.get(), dataURI.data, dataURI.dataLength ); + } + } + else { // Local file + if (byteLength > 0) { + IOStream* file = r.OpenFile(uri, "rb"); + if (file) { + bool ok = LoadFromStream(*file, byteLength); + delete file; + + if (!ok) + throw DeadlyImportError("GLTF: error while reading referenced file \"" + std::string(uri) + "\"" ); + } + else { + throw DeadlyImportError("GLTF: could not open referenced file \"" + std::string(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]); + + 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, "%llu", (long long)pOffset); + throw DeadlyImportError(std::string("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, "%llu, %llu", (long long)pOffset, (long long)pEncodedData_Length); + throw DeadlyImportError(std::string("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); + 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; + uint8_t* b = new uint8_t[byteLength + amount]; + if (mData) memcpy(b, mData.get(), byteLength); + mData.reset(b); + byteLength += amount; +} + +// +// struct BufferView +// + +inline void BufferView::Read(Value& obj, Asset& r) +{ + const char* bufferId = MemberOrDefault(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(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; + } + } + } +} + +template +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 count, 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(src_buffer); + uint8_t* dst = reinterpret_cast< uint8_t*>(buffer_ptr + offset); + + ai_assert(dst + count*dst_stride <= buffer_ptr + bufferView->buffer->byteLength); + CopyData(count, 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 +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) + , mData(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 bv = r.bufferViews.Get(bufferViewId); + if (bv) { + mDataLength = bv->byteLength; + mData = new uint8_t[mDataLength]; + memcpy(mData, bv->buffer->GetPointer() + bv->byteOffset, mDataLength); + } + } + } + } + } + + if (!mDataLength) { + if (Value* uri = FindString(obj, "uri")) { + const char* uristr = uri->GetString(); + + Util::DataURI dataURI; + if (ParseDataURI(uristr, uri->GetStringLength(), dataURI)) { + mimeType = dataURI.mediaType; + if (dataURI.base64) { + mDataLength = Util::DecodeBase64(dataURI.data, dataURI.dataLength, mData); + } + } + else { + this->uri = uristr; + } + } + } +} + +inline uint8_t* Image::StealData() +{ + uint8_t* data = mData; + mDataLength = 0; + mData = 0; + return data; +} + +inline void Image::SetData(uint8_t* data, size_t length, Asset& r) +{ + Ref 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 + this->mData = data; + 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); + } + } + } +} + +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; } +} + +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 + 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; + } +} + +inline void Mesh::Read(Value& pJSON_Object, Asset& pAsset_Root) +{ + /****************** Mesh primitives ******************/ + if (Value* primitives = FindArray(pJSON_Object, "primitives")) { + this->primitives.resize(primitives->Size()); + for (unsigned int i = 0; i < primitives->Size(); ++i) { + Value& primitive = (*primitives)[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; + + for(Value::MemberIterator it_memb = json_extensions->MemberBegin(); it_memb != json_extensions->MemberEnd(); it_memb++) + { +#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + 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\"."); + + DefaultLogger::get()->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(std::string("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(std::string("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 +#endif + { + throw DeadlyImportError(std::string("GLTF: Unknown mesh extension: \"") + it_memb->name.GetString() + "\"."); + } + }// for(Value::MemberIterator it_memb = json_extensions->MemberBegin(); it_memb != json_extensions->MemberEnd(); json_extensions++) + +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 decoder; +o3dgc::IndexedFaceSet ifs; +o3dgc::BinaryStream bstream; +uint8_t* decoded_data; +size_t decoded_data_size = 0; +Ref 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(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 (" + std::to_string(size_coordindex) + + ") not equal to uncompressed (" + std::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 (" + std::to_string(size_coord) + + ") not equal to uncompressed (" + std::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 (" + std::to_string(size_normal) + + ") not equal to uncompressed (" + std::to_string(primitives[0].attributes.normal[0]->count) + ")."); + + size_normal *= 3 * sizeof(float); + // Additional attributes. + std::vector size_floatattr; + std::vector 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(idx)); + + switch(ifs.GetFloatAttributeType(static_cast(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 (" + std::to_string(tval) + + ") not equal to uncompressed (" + std::to_string(primitives[0].attributes.texcoord[idx]->count) + ")."); + + idx_texcoord++; + } + else + { + ifs.SetNFloatAttribute(static_cast(idx), 0ul);// Disable decoding this attribute. + } + + break; + default: + throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of float attribute: " + to_string(ifs.GetFloatAttributeType(static_cast(idx)))); + } + + tval *= ifs.GetFloatAttributeDim(static_cast(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(idx)); + switch( ifs.GetIntAttributeType(static_cast(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: " + to_string(ifs.GetIntAttributeType(static_cast(idx)))); + } + + tval *= ifs.GetIntAttributeDim(static_cast(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& 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(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(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: " + to_string(ifs.GetFloatAttributeType(static_cast(idx)))); + } + } + + for(size_t idx = 0, idx_end = size_intattr.size(); idx < idx_end; idx++) { + switch(ifs.GetIntAttributeType(static_cast(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: " + to_string(ifs.GetIntAttributeType(static_cast(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) ? "ortographic" : "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(obj, "xmag", 1.f); + ortographic.ymag = MemberOrDefault(obj, "ymag", 1.f); + ortographic.zfar = MemberOrDefault(obj, "zfar", 100.f); + ortographic.znear = MemberOrDefault(obj, "znear", 0.01f); + } +} + +inline void Light::Read(Value& obj, Asset& r) +{ + SetDefaults(); + + if (Value* type = FindString(obj, "type")) { + const char* t = type->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(M_PI / 2.f); + falloffExponent = 0.f; +} + +inline void Node::Read(Value& obj, Asset& r) +{ + if (Value* children = FindArray(obj, "children")) { + this->children.reserve(children->Size()); + for (unsigned int i = 0; i < children->Size(); ++i) { + Value& child = (*children)[i]; + if (child.IsString()) { + // get/create the child node + Ref chn = r.nodes.Get(child.GetString()); + if (chn) this->children.push_back(chn); + } + } + } + + + if (Value* matrix = FindArray(obj, "matrix")) { + ReadValue(*matrix, this->matrix); + } + else { + ReadMember(obj, "translation", translation); + ReadMember(obj, "scale", scale); + ReadMember(obj, "rotation", rotation); + } + + if (Value* meshes = FindArray(obj, "meshes")) { + unsigned numMeshes = (unsigned)meshes->Size(); + + std::vector meshList; + + this->meshes.reserve(numMeshes); + for (unsigned i = 0; i < numMeshes; ++i) { + if ((*meshes)[i].IsString()) { + Ref mesh = r.meshes.Get((*meshes)[i].GetString()); + if (mesh) this->meshes.push_back(mesh); + } + } + } + + if (Value* camera = FindString(obj, "camera")) { + this->camera = r.cameras.Get(camera->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")) { + if (Value* light = FindString(*ext, "light")) { + this->light = r.lights.Get(light->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 = r.nodes.Get((*array)[i].GetString()); + if (node) + this->nodes.push_back(node); + } + } +} + + +inline void AssetMetadata::Read(Document& doc) +{ + // read the version, etc. + int statedVersion = 0; + if (Value* obj = FindObject(doc, "asset")) { + ReadMember(*obj, "copyright", copyright); + ReadMember(*obj, "generator", generator); + + premultipliedAlpha = MemberOrDefault(*obj, "premultipliedAlpha", false); + statedVersion = MemberOrDefault(*obj, "version", 0); + + if (Value* profile = FindObject(*obj, "profile")) { + ReadMember(*profile, "api", this->profile.api); + ReadMember(*profile, "version", this->profile.version); + } + } + + version = std::max(statedVersion, version); + if (version == 0) { + // if missing version, we'll assume version 1... + version = 1; + } + + if (version != 1) { + char msg[128]; + ai_snprintf(msg, 128, "GLTF: Unsupported glTF version: %d", version); + throw DeadlyImportError(msg); + } +} + + + +// +// 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 = 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); + + mSceneLength = static_cast(header.sceneLength); + + 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); + + shared_ptr 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; + } + + + // read the scene data + + std::vector 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(doc.GetErrorOffset())); + throw DeadlyImportError(std::string("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 + if (Value* scene = FindString(doc, "scene")) { + this->scene = scenes.Get(scene->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 exts; + + for (unsigned int i = 0; i < extsUsed->Size(); ++i) { + if ((*extsUsed)[i].IsString()) { + exts[(*extsUsed)[i].GetString()] = true; + } + } + + #define CHECK_EXT(EXT) \ + if (exts.find(#EXT) != exts.end()) extensionsUsed.EXT = true; + + CHECK_EXT(KHR_binary_glTF); + CHECK_EXT(KHR_materials_common); + + #undef CHECK_EXT +} + +inline IOStream* Asset::OpenFile(std::string path, const char* mode, bool absolute) +{ + #ifdef ASSIMP_API + 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[256]; + 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; +} + +namespace Util { + + inline + bool ParseDataURI(const char* const_uri, size_t uriLen, DataURI& out) { + if ( NULL == const_uri ) { + return false; + } + + if (const_uri[0] != 0x10) { // we already parsed this uri? + if (strncmp(const_uri, "data:", 5) != 0) // not a data uri? + return false; + } + + // set defaults + out.mediaType = "text/plain"; + out.charset = "US-ASCII"; + out.base64 = false; + + char* uri = const_cast(const_uri); + if (uri[0] != 0x10) { + uri[0] = 0x10; + uri[1] = uri[2] = uri[3] = uri[4] = 0; + + size_t i = 5, j; + if (uri[i] != ';' && uri[i] != ',') { // has media type? + uri[1] = char(i); + for (; uri[i] != ';' && uri[i] != ',' && i < uriLen; ++i) { + // nothing to do! + } + } + while (uri[i] == ';' && i < uriLen) { + uri[i++] = '\0'; + for (j = i; uri[i] != ';' && uri[i] != ',' && i < uriLen; ++i) { + // nothing to do! + } + + if ( strncmp( uri + j, "charset=", 8 ) == 0 ) { + uri[2] = char(j + 8); + } else if ( strncmp( uri + j, "base64", 6 ) == 0 ) { + uri[3] = char(j); + } + } + if (i < uriLen) { + uri[i++] = '\0'; + uri[4] = char(i); + } else { + uri[1] = uri[2] = uri[3] = 0; + uri[4] = 5; + } + } + + if ( uri[ 1 ] != 0 ) { + out.mediaType = uri + uri[ 1 ]; + } + if ( uri[ 2 ] != 0 ) { + out.charset = uri + uri[ 2 ]; + } + if ( uri[ 3 ] != 0 ) { + out.base64 = true; + } + out.data = uri + uri[4]; + out.dataLength = (uri + uriLen) - out.data; + + return true; + } + + template + struct DATA + { + static const uint8_t tableDecodeBase64[128]; + }; + + template + const uint8_t DATA::tableDecodeBase64[128] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, + 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 64, 0, 0, + 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, + 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0 + }; + + inline char EncodeCharBase64(uint8_t b) + { + return "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="[size_t(b)]; + } + + inline uint8_t DecodeCharBase64(char c) + { + return DATA::tableDecodeBase64[size_t(c)]; // TODO faster with lookup table or ifs? + /*if (c >= 'A' && c <= 'Z') return c - 'A'; + if (c >= 'a' && c <= 'z') return c - 'a' + 26; + if (c >= '0' && c <= '9') return c - '0' + 52; + if (c == '+') return 62; + if (c == '/') return 63; + return 64; // '-' */ + } + + inline size_t DecodeBase64(const char* in, size_t inLength, uint8_t*& out) + { + ai_assert(inLength % 4 == 0); + + if (inLength < 4) { + out = 0; + return 0; + } + + int nEquals = int(in[inLength - 1] == '=') + + int(in[inLength - 2] == '='); + + size_t outLength = (inLength * 3) / 4 - nEquals; + out = new uint8_t[outLength]; + memset(out, 0, outLength); + + size_t i, j = 0; + + for (i = 0; i + 4 < inLength; i += 4) { + uint8_t b0 = DecodeCharBase64(in[i]); + uint8_t b1 = DecodeCharBase64(in[i + 1]); + uint8_t b2 = DecodeCharBase64(in[i + 2]); + uint8_t b3 = DecodeCharBase64(in[i + 3]); + + out[j++] = (uint8_t)((b0 << 2) | (b1 >> 4)); + out[j++] = (uint8_t)((b1 << 4) | (b2 >> 2)); + out[j++] = (uint8_t)((b2 << 6) | b3); + } + + { + uint8_t b0 = DecodeCharBase64(in[i]); + uint8_t b1 = DecodeCharBase64(in[i + 1]); + uint8_t b2 = DecodeCharBase64(in[i + 2]); + uint8_t b3 = DecodeCharBase64(in[i + 3]); + + out[j++] = (uint8_t)((b0 << 2) | (b1 >> 4)); + if (b2 < 64) out[j++] = (uint8_t)((b1 << 4) | (b2 >> 2)); + if (b3 < 64) out[j++] = (uint8_t)((b2 << 6) | b3); + } + + return outLength; + } + + + + inline void EncodeBase64( + const uint8_t* in, size_t inLength, + std::string& out) + { + size_t outLength = ((inLength + 2) / 3) * 4; + + size_t j = out.size(); + out.resize(j + outLength); + + for (size_t i = 0; i < inLength; i += 3) { + uint8_t b = (in[i] & 0xFC) >> 2; + out[j++] = EncodeCharBase64(b); + + b = (in[i] & 0x03) << 4; + if (i + 1 < inLength) { + b |= (in[i + 1] & 0xF0) >> 4; + out[j++] = EncodeCharBase64(b); + + b = (in[i + 1] & 0x0F) << 2; + if (i + 2 < inLength) { + b |= (in[i + 2] & 0xC0) >> 6; + out[j++] = EncodeCharBase64(b); + + b = in[i + 2] & 0x3F; + out[j++] = EncodeCharBase64(b); + } + else { + out[j++] = EncodeCharBase64(b); + out[j++] = '='; + } + } + else { + out[j++] = EncodeCharBase64(b); + out[j++] = '='; + out[j++] = '='; + } + } + } + +} + +} // ns glTF diff --git a/code/glTF2AssetWriter.h b/code/glTF2AssetWriter.h new file mode 100644 index 000000000..186d32a15 --- /dev/null +++ b/code/glTF2AssetWriter.h @@ -0,0 +1,95 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 glTFWriter.h + * Declares a class to write gltf/glb files + * + * glTF Extensions Support: + * KHR_binary_glTF: full + * KHR_materials_common: full + */ +#ifndef GLTFASSETWRITER_H_INC +#define GLTFASSETWRITER_H_INC + +#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER + +#include "glTFAsset.h" + +namespace glTF +{ + +using rapidjson::MemoryPoolAllocator; + +class AssetWriter +{ + template + friend void WriteLazyDict(LazyDict& d, AssetWriter& w); + +private: + + void WriteBinaryData(IOStream* outfile, size_t sceneLength); + + void WriteMetadata(); + void WriteExtensionsUsed(); + + template + void WriteObjects(LazyDict& d); + +public: + Document mDoc; + Asset& mAsset; + + MemoryPoolAllocator<>& mAl; + + AssetWriter(Asset& asset); + + void WriteFile(const char* path); + void WriteGLBFile(const char* path); +}; + +} + +// Include the implementation of the methods +#include "glTFAssetWriter.inl" + +#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER + +#endif // GLTFASSETWRITER_H_INC diff --git a/code/glTF2AssetWriter.inl b/code/glTF2AssetWriter.inl new file mode 100644 index 000000000..d3a553c27 --- /dev/null +++ b/code/glTF2AssetWriter.inl @@ -0,0 +1,685 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 +#include +#include + +namespace glTF { + + using rapidjson::StringBuffer; + using rapidjson::PrettyWriter; + using rapidjson::Writer; + using rapidjson::StringRef; + using rapidjson::StringRef; + + namespace { + + template + inline Value& MakeValue(Value& val, float(&r)[N], MemoryPoolAllocator<>& al) { + val.SetArray(); + val.Reserve(N, al); + for (decltype(N) i = 0; i < N; ++i) { + val.PushBack(r[i], al); + } + return val; + } + + inline Value& MakeValue(Value& val, const std::vector & r, MemoryPoolAllocator<>& al) { + val.SetArray(); + val.Reserve(static_cast(r.size()), al); + for (unsigned int i = 0; i < r.size(); ++i) { + val.PushBack(r[i], al); + } + return val; + } + + template + inline void AddRefsVector(Value& obj, const char* fieldId, std::vector< Ref >& v, MemoryPoolAllocator<>& al) { + if (v.empty()) return; + Value lst; + lst.SetArray(); + lst.Reserve(unsigned(v.size()), al); + for (size_t i = 0; i < v.size(); ++i) { + lst.PushBack(StringRef(v[i]->id), al); + } + obj.AddMember(StringRef(fieldId), lst, al); + } + + + } + + inline void Write(Value& obj, Accessor& a, AssetWriter& w) + { + obj.AddMember("bufferView", Value(a.bufferView->id, w.mAl).Move(), w.mAl); + obj.AddMember("byteOffset", a.byteOffset, w.mAl); + obj.AddMember("byteStride", a.byteStride, w.mAl); + obj.AddMember("componentType", int(a.componentType), w.mAl); + obj.AddMember("count", a.count, w.mAl); + obj.AddMember("type", StringRef(AttribType::ToString(a.type)), w.mAl); + + Value vTmpMax, vTmpMin; + obj.AddMember("max", MakeValue(vTmpMax, a.max, w.mAl), w.mAl); + obj.AddMember("min", MakeValue(vTmpMin, a.min, w.mAl), w.mAl); + } + + inline void Write(Value& obj, Animation& a, AssetWriter& w) + { + /****************** Channels *******************/ + Value channels; + channels.SetArray(); + channels.Reserve(unsigned(a.Channels.size()), w.mAl); + + for (size_t i = 0; i < unsigned(a.Channels.size()); ++i) { + Animation::AnimChannel& c = a.Channels[i]; + Value valChannel; + valChannel.SetObject(); + { + valChannel.AddMember("sampler", c.sampler, w.mAl); + + Value valTarget; + valTarget.SetObject(); + { + valTarget.AddMember("id", StringRef(c.target.id->id), w.mAl); + valTarget.AddMember("path", c.target.path, w.mAl); + } + valChannel.AddMember("target", valTarget, w.mAl); + } + channels.PushBack(valChannel, w.mAl); + } + obj.AddMember("channels", channels, w.mAl); + + /****************** Parameters *******************/ + Value valParameters; + valParameters.SetObject(); + { + if (a.Parameters.TIME) { + valParameters.AddMember("TIME", StringRef(a.Parameters.TIME->id), w.mAl); + } + if (a.Parameters.rotation) { + valParameters.AddMember("rotation", StringRef(a.Parameters.rotation->id), w.mAl); + } + if (a.Parameters.scale) { + valParameters.AddMember("scale", StringRef(a.Parameters.scale->id), w.mAl); + } + if (a.Parameters.translation) { + valParameters.AddMember("translation", StringRef(a.Parameters.translation->id), w.mAl); + } + } + obj.AddMember("parameters", valParameters, w.mAl); + + /****************** Samplers *******************/ + Value valSamplers; + valSamplers.SetObject(); + + for (size_t i = 0; i < unsigned(a.Samplers.size()); ++i) { + Animation::AnimSampler& s = a.Samplers[i]; + Value valSampler; + valSampler.SetObject(); + { + valSampler.AddMember("input", s.input, w.mAl); + valSampler.AddMember("interpolation", s.interpolation, w.mAl); + valSampler.AddMember("output", s.output, w.mAl); + } + valSamplers.AddMember(StringRef(s.id), valSampler, w.mAl); + } + obj.AddMember("samplers", valSamplers, w.mAl); + } + + inline void Write(Value& obj, Buffer& b, AssetWriter& w) + { + const char* type; + switch (b.type) { + case Buffer::Type_text: + type = "text"; break; + default: + type = "arraybuffer"; + } + + obj.AddMember("byteLength", static_cast(b.byteLength), w.mAl); + obj.AddMember("type", StringRef(type), w.mAl); + obj.AddMember("uri", Value(b.GetURI(), w.mAl).Move(), w.mAl); + } + + inline void Write(Value& obj, BufferView& bv, AssetWriter& w) + { + obj.AddMember("buffer", Value(bv.buffer->id, w.mAl).Move(), w.mAl); + obj.AddMember("byteOffset", static_cast(bv.byteOffset), w.mAl); + obj.AddMember("byteLength", static_cast(bv.byteLength), w.mAl); + obj.AddMember("target", int(bv.target), w.mAl); + } + + inline void Write(Value& obj, Camera& c, AssetWriter& w) + { + + } + + inline void Write(Value& obj, Image& img, AssetWriter& w) + { + std::string uri; + if (w.mAsset.extensionsUsed.KHR_binary_glTF && img.bufferView) { + Value exts, ext; + exts.SetObject(); + ext.SetObject(); + + ext.AddMember("bufferView", StringRef(img.bufferView->id), w.mAl); + + if (!img.mimeType.empty()) + ext.AddMember("mimeType", StringRef(img.mimeType), w.mAl); + + exts.AddMember("KHR_binary_glTF", ext, w.mAl); + obj.AddMember("extensions", exts, w.mAl); + return; + } + else if (img.HasData()) { + uri = "data:" + (img.mimeType.empty() ? "application/octet-stream" : img.mimeType); + uri += ";base64,"; + Util::EncodeBase64(img.GetData(), img.GetDataLength(), uri); + } + else { + uri = img.uri; + } + + obj.AddMember("uri", Value(uri, w.mAl).Move(), w.mAl); + } + + namespace { + inline void WriteColorOrTex(Value& obj, TexProperty& prop, const char* propName, MemoryPoolAllocator<>& al) + { + if (prop.texture) + obj.AddMember(StringRef(propName), Value(prop.texture->id, al).Move(), al); + else { + Value col; + obj.AddMember(StringRef(propName), MakeValue(col, prop.color, al), al); + } + } + } + + inline void Write(Value& obj, Material& m, AssetWriter& w) + { + Value v; + v.SetObject(); + { + WriteColorOrTex(v, m.ambient, "ambient", w.mAl); + WriteColorOrTex(v, m.diffuse, "diffuse", w.mAl); + WriteColorOrTex(v, m.specular, "specular", w.mAl); + WriteColorOrTex(v, m.emission, "emission", w.mAl); + + if (m.transparent) + v.AddMember("transparency", m.transparency, w.mAl); + + v.AddMember("shininess", m.shininess, w.mAl); + } + obj.AddMember("values", v, w.mAl); + } + + namespace { + inline void WriteAttrs(AssetWriter& w, Value& attrs, Mesh::AccessorList& lst, + const char* semantic, bool forceNumber = false) + { + if (lst.empty()) return; + if (lst.size() == 1 && !forceNumber) { + attrs.AddMember(StringRef(semantic), Value(lst[0]->id, w.mAl).Move(), w.mAl); + } + else { + for (size_t i = 0; i < lst.size(); ++i) { + char buffer[32]; + ai_snprintf(buffer, 32, "%s_%d", semantic, int(i)); + attrs.AddMember(Value(buffer, w.mAl).Move(), Value(lst[i]->id, w.mAl).Move(), w.mAl); + } + } + } + } + + inline void Write(Value& obj, Mesh& m, AssetWriter& w) + { + /********************* Name **********************/ + obj.AddMember("name", m.name, w.mAl); + + /**************** Mesh extensions ****************/ + if(m.Extension.size() > 0) + { + Value json_extensions; + + json_extensions.SetObject(); + for(Mesh::SExtension* ptr_ext : m.Extension) + { + switch(ptr_ext->Type) + { +#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + case Mesh::SExtension::EType::Compression_Open3DGC: + { + Value json_comp_data; + Mesh::SCompression_Open3DGC* ptr_ext_comp = (Mesh::SCompression_Open3DGC*)ptr_ext; + + // filling object "compressedData" + json_comp_data.SetObject(); + json_comp_data.AddMember("buffer", ptr_ext_comp->Buffer, w.mAl); + json_comp_data.AddMember("byteOffset", ptr_ext_comp->Offset, w.mAl); + json_comp_data.AddMember("componentType", 5121, w.mAl); + json_comp_data.AddMember("type", "SCALAR", w.mAl); + json_comp_data.AddMember("count", ptr_ext_comp->Count, w.mAl); + if(ptr_ext_comp->Binary) + json_comp_data.AddMember("mode", "binary", w.mAl); + else + json_comp_data.AddMember("mode", "ascii", w.mAl); + + json_comp_data.AddMember("indicesCount", ptr_ext_comp->IndicesCount, w.mAl); + json_comp_data.AddMember("verticesCount", ptr_ext_comp->VerticesCount, w.mAl); + // filling object "Open3DGC-compression" + Value json_o3dgc; + + json_o3dgc.SetObject(); + json_o3dgc.AddMember("compressedData", json_comp_data, w.mAl); + // add member to object "extensions" + json_extensions.AddMember("Open3DGC-compression", json_o3dgc, w.mAl); + } + + break; +#endif + default: + throw DeadlyImportError("GLTF: Can not write mesh: unknown mesh extension, only Open3DGC is supported."); + }// switch(ptr_ext->Type) + }// for(Mesh::SExtension* ptr_ext : m.Extension) + + // Add extensions to mesh + obj.AddMember("extensions", json_extensions, w.mAl); + }// if(m.Extension.size() > 0) + + /****************** Primitives *******************/ + Value primitives; + primitives.SetArray(); + primitives.Reserve(unsigned(m.primitives.size()), w.mAl); + + for (size_t i = 0; i < m.primitives.size(); ++i) { + Mesh::Primitive& p = m.primitives[i]; + Value prim; + prim.SetObject(); + { + prim.AddMember("mode", Value(int(p.mode)).Move(), w.mAl); + + if (p.material) + prim.AddMember("material", p.material->id, w.mAl); + + if (p.indices) + prim.AddMember("indices", Value(p.indices->id, w.mAl).Move(), w.mAl); + + Value attrs; + attrs.SetObject(); + { + WriteAttrs(w, attrs, p.attributes.position, "POSITION"); + WriteAttrs(w, attrs, p.attributes.normal, "NORMAL"); + WriteAttrs(w, attrs, p.attributes.texcoord, "TEXCOORD", true); + WriteAttrs(w, attrs, p.attributes.color, "COLOR"); + WriteAttrs(w, attrs, p.attributes.joint, "JOINT"); + WriteAttrs(w, attrs, p.attributes.jointmatrix, "JOINTMATRIX"); + WriteAttrs(w, attrs, p.attributes.weight, "WEIGHT"); + } + prim.AddMember("attributes", attrs, w.mAl); + } + primitives.PushBack(prim, w.mAl); + } + + obj.AddMember("primitives", primitives, w.mAl); + } + + inline void Write(Value& obj, Node& n, AssetWriter& w) + { + + if (n.matrix.isPresent) { + Value val; + obj.AddMember("matrix", MakeValue(val, n.matrix.value, w.mAl).Move(), w.mAl); + } + + if (n.translation.isPresent) { + Value val; + obj.AddMember("translation", MakeValue(val, n.translation.value, w.mAl).Move(), w.mAl); + } + + if (n.scale.isPresent) { + Value val; + obj.AddMember("scale", MakeValue(val, n.scale.value, w.mAl).Move(), w.mAl); + } + if (n.rotation.isPresent) { + Value val; + obj.AddMember("rotation", MakeValue(val, n.rotation.value, w.mAl).Move(), w.mAl); + } + + AddRefsVector(obj, "children", n.children, w.mAl); + + AddRefsVector(obj, "meshes", n.meshes, w.mAl); + + AddRefsVector(obj, "skeletons", n.skeletons, w.mAl); + + if (n.skin) { + obj.AddMember("skin", Value(n.skin->id, w.mAl).Move(), w.mAl); + } + + if (!n.jointName.empty()) { + obj.AddMember("jointName", n.jointName, w.mAl); + } + } + + inline void Write(Value& obj, Program& b, AssetWriter& w) + { + + } + + inline void Write(Value& obj, Sampler& b, AssetWriter& w) + { + if (b.wrapS) { + obj.AddMember("wrapS", b.wrapS, w.mAl); + } + if (b.wrapT) { + obj.AddMember("wrapT", b.wrapT, w.mAl); + } + if (b.magFilter) { + obj.AddMember("magFilter", b.magFilter, w.mAl); + } + if (b.minFilter) { + obj.AddMember("minFilter", b.minFilter, w.mAl); + } + } + + inline void Write(Value& scene, Scene& s, AssetWriter& w) + { + AddRefsVector(scene, "nodes", s.nodes, w.mAl); + } + + inline void Write(Value& obj, Shader& b, AssetWriter& w) + { + + } + + inline void Write(Value& obj, Skin& b, AssetWriter& w) + { + /****************** jointNames *******************/ + Value vJointNames; + vJointNames.SetArray(); + vJointNames.Reserve(unsigned(b.jointNames.size()), w.mAl); + + for (size_t i = 0; i < unsigned(b.jointNames.size()); ++i) { + vJointNames.PushBack(StringRef(b.jointNames[i]->jointName), w.mAl); + } + obj.AddMember("jointNames", vJointNames, w.mAl); + + if (b.bindShapeMatrix.isPresent) { + Value val; + obj.AddMember("bindShapeMatrix", MakeValue(val, b.bindShapeMatrix.value, w.mAl).Move(), w.mAl); + } + + if (b.inverseBindMatrices) { + obj.AddMember("inverseBindMatrices", Value(b.inverseBindMatrices->id, w.mAl).Move(), w.mAl); + } + + } + + inline void Write(Value& obj, Technique& b, AssetWriter& w) + { + + } + + inline void Write(Value& obj, Texture& tex, AssetWriter& w) + { + if (tex.source) { + obj.AddMember("source", Value(tex.source->id, w.mAl).Move(), w.mAl); + } + if (tex.sampler) { + obj.AddMember("sampler", Value(tex.sampler->id, w.mAl).Move(), w.mAl); + } + } + + inline void Write(Value& obj, Light& b, AssetWriter& w) + { + + } + + + inline AssetWriter::AssetWriter(Asset& a) + : mDoc() + , mAsset(a) + , mAl(mDoc.GetAllocator()) + { + mDoc.SetObject(); + + WriteMetadata(); + WriteExtensionsUsed(); + + // Dump the contents of the dictionaries + for (size_t i = 0; i < a.mDicts.size(); ++i) { + a.mDicts[i]->WriteObjects(*this); + } + + // Add the target scene field + if (mAsset.scene) { + mDoc.AddMember("scene", StringRef(mAsset.scene->id), mAl); + } + } + + inline void AssetWriter::WriteFile(const char* path) + { + std::unique_ptr jsonOutFile(mAsset.OpenFile(path, "wt", true)); + + if (jsonOutFile == 0) { + throw DeadlyExportError("Could not open output file: " + std::string(path)); + } + + StringBuffer docBuffer; + + PrettyWriter writer(docBuffer); + mDoc.Accept(writer); + + if (jsonOutFile->Write(docBuffer.GetString(), docBuffer.GetSize(), 1) != 1) { + throw DeadlyExportError("Failed to write scene data!"); + } + + // Write buffer data to separate .bin files + for (unsigned int i = 0; i < mAsset.buffers.Size(); ++i) { + Ref b = mAsset.buffers.Get(i); + + std::string binPath = b->GetURI(); + + std::unique_ptr binOutFile(mAsset.OpenFile(binPath, "wb", true)); + + if (binOutFile == 0) { + throw DeadlyExportError("Could not open output file: " + binPath); + } + + if (b->byteLength > 0) { + if (binOutFile->Write(b->GetPointer(), b->byteLength, 1) != 1) { + throw DeadlyExportError("Failed to write binary file: " + binPath); + } + } + } + } + + inline void AssetWriter::WriteGLBFile(const char* path) + { + std::unique_ptr outfile(mAsset.OpenFile(path, "wb", true)); + + if (outfile == 0) { + throw DeadlyExportError("Could not open output file: " + std::string(path)); + } + + // we will write the header later, skip its size + outfile->Seek(sizeof(GLB_Header), aiOrigin_SET); + + StringBuffer docBuffer; + Writer writer(docBuffer); + mDoc.Accept(writer); + + if (outfile->Write(docBuffer.GetString(), docBuffer.GetSize(), 1) != 1) { + throw DeadlyExportError("Failed to write scene data!"); + } + + WriteBinaryData(outfile.get(), docBuffer.GetSize()); + } + + inline void AssetWriter::WriteBinaryData(IOStream* outfile, size_t sceneLength) + { + // + // write the body data + // + + size_t bodyLength = 0; + if (Ref b = mAsset.GetBodyBuffer()) { + bodyLength = b->byteLength; + + if (bodyLength > 0) { + size_t bodyOffset = sizeof(GLB_Header) + sceneLength; + bodyOffset = (bodyOffset + 3) & ~3; // Round up to next multiple of 4 + + outfile->Seek(bodyOffset, aiOrigin_SET); + + if (outfile->Write(b->GetPointer(), b->byteLength, 1) != 1) { + throw DeadlyExportError("Failed to write body data!"); + } + } + } + + // + // write the header + // + + GLB_Header header; + memcpy(header.magic, AI_GLB_MAGIC_NUMBER, sizeof(header.magic)); + + header.version = 1; + AI_SWAP4(header.version); + + header.length = uint32_t(sizeof(header) + sceneLength + bodyLength); + AI_SWAP4(header.length); + + header.sceneLength = uint32_t(sceneLength); + AI_SWAP4(header.sceneLength); + + header.sceneFormat = SceneFormat_JSON; + AI_SWAP4(header.sceneFormat); + + outfile->Seek(0, aiOrigin_SET); + + if (outfile->Write(&header, 1, sizeof(header)) != sizeof(header)) { + throw DeadlyExportError("Failed to write the header!"); + } + } + + + inline void AssetWriter::WriteMetadata() + { + Value asset; + asset.SetObject(); + { + char versionChar[10]; + ai_snprintf(versionChar, sizeof(versionChar), "%d", mAsset.asset.version); + asset.AddMember("version", Value(versionChar, mAl).Move(), mAl); + + asset.AddMember("generator", Value(mAsset.asset.generator, mAl).Move(), mAl); + } + mDoc.AddMember("asset", asset, mAl); + } + + inline void AssetWriter::WriteExtensionsUsed() + { + Value exts; + exts.SetArray(); + { + if (false) + exts.PushBack(StringRef("KHR_binary_glTF"), mAl); + + if (false) + exts.PushBack(StringRef("KHR_materials_common"), mAl); + } + + if (!exts.Empty()) + mDoc.AddMember("extensionsUsed", exts, mAl); + } + + template + void AssetWriter::WriteObjects(LazyDict& d) + { + if (d.mObjs.empty()) return; + + Value* container = &mDoc; + + if (d.mExtId) { + Value* exts = FindObject(mDoc, "extensions"); + if (!exts) { + mDoc.AddMember("extensions", Value().SetObject().Move(), mDoc.GetAllocator()); + exts = FindObject(mDoc, "extensions"); + } + + if (!(container = FindObject(*exts, d.mExtId))) { + exts->AddMember(StringRef(d.mExtId), Value().SetObject().Move(), mDoc.GetAllocator()); + container = FindObject(*exts, d.mExtId); + } + } + + Value* dict; + if (!(dict = FindObject(*container, d.mDictId))) { + container->AddMember(StringRef(d.mDictId), Value().SetObject().Move(), mDoc.GetAllocator()); + dict = FindObject(*container, d.mDictId); + } + + for (size_t i = 0; i < d.mObjs.size(); ++i) { + if (d.mObjs[i]->IsSpecial()) continue; + + Value obj; + obj.SetObject(); + + if (!d.mObjs[i]->name.empty()) { + obj.AddMember("name", StringRef(d.mObjs[i]->name.c_str()), mAl); + } + + Write(obj, *d.mObjs[i], *this); + + dict->AddMember(StringRef(d.mObjs[i]->id), obj, mAl); + } + } + + template + void WriteLazyDict(LazyDict& d, AssetWriter& w) + { + w.WriteObjects(d); + } + +} + + diff --git a/code/glTF2Exporter.cpp b/code/glTF2Exporter.cpp new file mode 100644 index 000000000..aeb5069aa --- /dev/null +++ b/code/glTF2Exporter.cpp @@ -0,0 +1,1007 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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. + +---------------------------------------------------------------------- +*/ +#ifndef ASSIMP_BUILD_NO_EXPORT +#ifndef ASSIMP_BUILD_NO_GLTF_EXPORTER + +#include "glTFExporter.h" + +#include "Exceptional.h" +#include "StringComparison.h" +#include "ByteSwapper.h" + +#include "SplitLargeMeshes.h" + +#include +#include +#include +#include +#include +#include + +// Header files, standart library. +#include +#include + +#include "glTFAssetWriter.h" + +#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + // Header files, Open3DGC. +# include +#endif + +using namespace rapidjson; + +using namespace Assimp; +using namespace glTF; + +namespace Assimp { + + // ------------------------------------------------------------------------------------------------ + // Worker function for exporting a scene to GLTF. Prototyped and registered in Exporter.cpp + void ExportSceneGLTF(const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) + { + // invoke the exporter + glTFExporter exporter(pFile, pIOSystem, pScene, pProperties, false); + } + + // ------------------------------------------------------------------------------------------------ + // Worker function for exporting a scene to GLB. Prototyped and registered in Exporter.cpp + void ExportSceneGLB(const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) + { + // invoke the exporter + glTFExporter exporter(pFile, pIOSystem, pScene, pProperties, true); + } + +} // end of namespace Assimp + +glTFExporter::glTFExporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene, + const ExportProperties* pProperties, bool isBinary) + : mFilename(filename) + , mIOSystem(pIOSystem) + , mProperties(pProperties) +{ + aiScene* sceneCopy_tmp; + SceneCombiner::CopyScene(&sceneCopy_tmp, pScene); + std::unique_ptr sceneCopy(sceneCopy_tmp); + + SplitLargeMeshesProcess_Triangle tri_splitter; + tri_splitter.SetLimit(0xffff); + tri_splitter.Execute(sceneCopy.get()); + + SplitLargeMeshesProcess_Vertex vert_splitter; + vert_splitter.SetLimit(0xffff); + vert_splitter.Execute(sceneCopy.get()); + + mScene = sceneCopy.get(); + + mAsset.reset( new glTF::Asset( pIOSystem ) ); + + if (isBinary) { + mAsset->SetAsBinary(); + } + + ExportMetadata(); + + //for (unsigned int i = 0; i < pScene->mNumCameras; ++i) {} + + //for (unsigned int i = 0; i < pScene->mNumLights; ++i) {} + + ExportMaterials(); + + if (mScene->mRootNode) { + ExportNodeHierarchy(mScene->mRootNode); + } + + ExportMeshes(); + + //for (unsigned int i = 0; i < pScene->mNumTextures; ++i) {} + + ExportScene(); + + ExportAnimations(); + + glTF::AssetWriter writer(*mAsset); + + if (isBinary) { + writer.WriteGLBFile(filename); + } else { + writer.WriteFile(filename); + } +} + +/* + * Copy a 4x4 matrix from struct aiMatrix to typedef mat4. + * Also converts from row-major to column-major storage. + */ +static void CopyValue(const aiMatrix4x4& v, glTF::mat4& o) +{ + o[ 0] = v.a1; o[ 1] = v.b1; o[ 2] = v.c1; o[ 3] = v.d1; + o[ 4] = v.a2; o[ 5] = v.b2; o[ 6] = v.c2; o[ 7] = v.d2; + o[ 8] = v.a3; o[ 9] = v.b3; o[10] = v.c3; o[11] = v.d3; + o[12] = v.a4; o[13] = v.b4; o[14] = v.c4; o[15] = v.d4; +} + +static void CopyValue(const aiMatrix4x4& v, aiMatrix4x4& o) +{ + o.a1 = v.a1; o.a2 = v.a2; o.a3 = v.a3; o.a4 = v.a4; + o.b1 = v.b1; o.b2 = v.b2; o.b3 = v.b3; o.b4 = v.b4; + o.c1 = v.c1; o.c2 = v.c2; o.c3 = v.c3; o.c4 = v.c4; + o.d1 = v.d1; o.d2 = v.d2; o.d3 = v.d3; o.d4 = v.d4; +} + +static void IdentityMatrix4(glTF::mat4& o) +{ + o[ 0] = 1; o[ 1] = 0; o[ 2] = 0; o[ 3] = 0; + o[ 4] = 0; o[ 5] = 1; o[ 6] = 0; o[ 7] = 0; + o[ 8] = 0; o[ 9] = 0; o[10] = 1; o[11] = 0; + o[12] = 0; o[13] = 0; o[14] = 0; o[15] = 1; +} + +inline Ref ExportData(Asset& a, std::string& meshName, Ref& buffer, + unsigned int count, void* data, AttribType::Value typeIn, AttribType::Value typeOut, ComponentType compType, bool isIndices = false) +{ + if (!count || !data) return Ref(); + + unsigned int numCompsIn = AttribType::GetNumComponents(typeIn); + unsigned int numCompsOut = AttribType::GetNumComponents(typeOut); + unsigned int bytesPerComp = ComponentTypeSize(compType); + + size_t offset = buffer->byteLength; + // make sure offset is correctly byte-aligned, as required by spec + size_t padding = offset % bytesPerComp; + offset += padding; + size_t length = count * numCompsOut * bytesPerComp; + buffer->Grow(length + padding); + + // bufferView + Ref bv = a.bufferViews.Create(a.FindUniqueID(meshName, "view")); + bv->buffer = buffer; + bv->byteOffset = unsigned(offset); + bv->byteLength = length; //! The target that the WebGL buffer should be bound to. + bv->target = isIndices ? BufferViewTarget_ELEMENT_ARRAY_BUFFER : BufferViewTarget_ARRAY_BUFFER; + + // accessor + Ref acc = a.accessors.Create(a.FindUniqueID(meshName, "accessor")); + acc->bufferView = bv; + acc->byteOffset = 0; + acc->byteStride = 0; + acc->componentType = compType; + acc->count = count; + acc->type = typeOut; + + // calculate min and max values + { + // Allocate and initialize with large values. + float float_MAX = 10000000000000.0f; + for (unsigned int i = 0 ; i < numCompsOut ; i++) { + acc->min.push_back( float_MAX); + acc->max.push_back(-float_MAX); + } + + // Search and set extreme values. + float valueTmp; + for (unsigned int i = 0 ; i < count ; i++) { + for (unsigned int j = 0 ; j < numCompsOut ; j++) { + if (numCompsOut == 1) { + valueTmp = static_cast(data)[i]; + } else { + valueTmp = static_cast(data)[i][j]; + } + + if (valueTmp < acc->min[j]) { + acc->min[j] = valueTmp; + } + if (valueTmp > acc->max[j]) { + acc->max[j] = valueTmp; + } + } + } + } + + // copy the data + acc->WriteData(count, data, numCompsIn*bytesPerComp); + + return acc; +} + +namespace { + void GetMatScalar(const aiMaterial* mat, float& val, const char* propName, int type, int idx) { + if (mat->Get(propName, type, idx, val) == AI_SUCCESS) {} + } +} + +void glTFExporter::GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop) +{ + std::string samplerId = mAsset->FindUniqueID("", "sampler"); + prop.texture->sampler = mAsset->samplers.Create(samplerId); + + aiTextureMapMode mapU, mapV; + aiGetMaterialInteger(mat,AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0),(int*)&mapU); + aiGetMaterialInteger(mat,AI_MATKEY_MAPPINGMODE_V_DIFFUSE(0),(int*)&mapV); + + switch (mapU) { + case aiTextureMapMode_Wrap: + prop.texture->sampler->wrapS = SamplerWrap_Repeat; + break; + case aiTextureMapMode_Clamp: + prop.texture->sampler->wrapS = SamplerWrap_Clamp_To_Edge; + break; + case aiTextureMapMode_Mirror: + prop.texture->sampler->wrapS = SamplerWrap_Mirrored_Repeat; + break; + case aiTextureMapMode_Decal: + default: + prop.texture->sampler->wrapS = SamplerWrap_Repeat; + break; + }; + + switch (mapV) { + case aiTextureMapMode_Wrap: + prop.texture->sampler->wrapT = SamplerWrap_Repeat; + break; + case aiTextureMapMode_Clamp: + prop.texture->sampler->wrapT = SamplerWrap_Clamp_To_Edge; + break; + case aiTextureMapMode_Mirror: + prop.texture->sampler->wrapT = SamplerWrap_Mirrored_Repeat; + break; + case aiTextureMapMode_Decal: + default: + prop.texture->sampler->wrapT = SamplerWrap_Repeat; + break; + }; + + // Hard coded Texture filtering options because I do not know where to find them in the aiMaterial. + prop.texture->sampler->magFilter = SamplerMagFilter_Linear; + prop.texture->sampler->minFilter = SamplerMinFilter_Linear; +} + +void glTFExporter::GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt) +{ + aiString tex; + aiColor4D col; + if (mat->GetTextureCount(tt) > 0) { + if (mat->Get(AI_MATKEY_TEXTURE(tt, 0), tex) == AI_SUCCESS) { + std::string path = tex.C_Str(); + + if (path.size() > 0) { + if (path[0] != '*') { + std::map::iterator it = mTexturesByPath.find(path); + if (it != mTexturesByPath.end()) { + prop.texture = mAsset->textures.Get(it->second); + } + } + + if (!prop.texture) { + std::string texId = mAsset->FindUniqueID("", "texture"); + prop.texture = mAsset->textures.Create(texId); + mTexturesByPath[path] = prop.texture.GetIndex(); + + std::string imgId = mAsset->FindUniqueID("", "image"); + prop.texture->source = mAsset->images.Create(imgId); + + if (path[0] == '*') { // embedded + aiTexture* tex = mScene->mTextures[atoi(&path[1])]; + + uint8_t* data = reinterpret_cast(tex->pcData); + prop.texture->source->SetData(data, tex->mWidth, *mAsset); + + if (tex->achFormatHint[0]) { + std::string mimeType = "image/"; + mimeType += (memcmp(tex->achFormatHint, "jpg", 3) == 0) ? "jpeg" : tex->achFormatHint; + prop.texture->source->mimeType = mimeType; + } + } + else { + prop.texture->source->uri = path; + } + + GetTexSampler(mat, prop); + } + } + } + } + + if (mat->Get(propName, type, idx, col) == AI_SUCCESS) { + prop.color[0] = col.r; prop.color[1] = col.g; prop.color[2] = col.b; prop.color[3] = col.a; + } +} + + +void glTFExporter::ExportMaterials() +{ + aiString aiName; + for (unsigned int i = 0; i < mScene->mNumMaterials; ++i) { + const aiMaterial* mat = mScene->mMaterials[i]; + + + std::string name; + if (mat->Get(AI_MATKEY_NAME, aiName) == AI_SUCCESS) { + name = aiName.C_Str(); + } + name = mAsset->FindUniqueID(name, "material"); + + Ref m = mAsset->materials.Create(name); + + GetMatColorOrTex(mat, m->ambient, AI_MATKEY_COLOR_AMBIENT, aiTextureType_AMBIENT); + GetMatColorOrTex(mat, m->diffuse, AI_MATKEY_COLOR_DIFFUSE, aiTextureType_DIFFUSE); + GetMatColorOrTex(mat, m->specular, AI_MATKEY_COLOR_SPECULAR, aiTextureType_SPECULAR); + GetMatColorOrTex(mat, m->emission, AI_MATKEY_COLOR_EMISSIVE, aiTextureType_EMISSIVE); + + m->transparent = mat->Get(AI_MATKEY_OPACITY, m->transparency) == aiReturn_SUCCESS && m->transparency != 1.0; + + GetMatScalar(mat, m->shininess, AI_MATKEY_SHININESS); + } +} + +/* + * Search through node hierarchy and find the node containing the given meshID. + * Returns true on success, and false otherwise. + */ +bool FindMeshNode(Ref& nodeIn, Ref& meshNode, std::string meshID) +{ + for (unsigned int i = 0; i < nodeIn->meshes.size(); ++i) { + if (meshID.compare(nodeIn->meshes[i]->id) == 0) { + meshNode = nodeIn; + return true; + } + } + + for (unsigned int i = 0; i < nodeIn->children.size(); ++i) { + if(FindMeshNode(nodeIn->children[i], meshNode, meshID)) { + return true; + } + } + + return false; +} + +/* + * Find the root joint of the skeleton. + * Starts will any joint node and traces up the tree, + * until a parent is found that does not have a jointName. + * Returns the first parent Ref found that does not have a jointName. + */ +Ref FindSkeletonRootJoint(Ref& skinRef) +{ + Ref startNodeRef; + Ref parentNodeRef; + + // Arbitrarily use the first joint to start the search. + startNodeRef = skinRef->jointNames[0]; + parentNodeRef = skinRef->jointNames[0]; + + do { + startNodeRef = parentNodeRef; + parentNodeRef = startNodeRef->parent; + } while (!parentNodeRef->jointName.empty()); + + return parentNodeRef; +} + +void ExportSkin(Asset& mAsset, const aiMesh* aimesh, Ref& meshRef, Ref& bufferRef, Ref& skinRef, std::vector& inverseBindMatricesData) +{ + if (aimesh->mNumBones < 1) { + return; + } + + // Store the vertex joint and weight data. + const size_t NumVerts( aimesh->mNumVertices ); + vec4* vertexJointData = new vec4[ NumVerts ]; + vec4* vertexWeightData = new vec4[ NumVerts ]; + int* jointsPerVertex = new int[ NumVerts ]; + for (size_t i = 0; i < NumVerts; ++i) { + jointsPerVertex[i] = 0; + for (size_t j = 0; j < 4; ++j) { + vertexJointData[i][j] = 0; + vertexWeightData[i][j] = 0; + } + } + + for (unsigned int idx_bone = 0; idx_bone < aimesh->mNumBones; ++idx_bone) { + const aiBone* aib = aimesh->mBones[idx_bone]; + + // aib->mName =====> skinRef->jointNames + // Find the node with id = mName. + Ref nodeRef = mAsset.nodes.Get(aib->mName.C_Str()); + nodeRef->jointName = nodeRef->id; + + unsigned int jointNamesIndex; + bool addJointToJointNames = true; + for ( unsigned int idx_joint = 0; idx_joint < skinRef->jointNames.size(); ++idx_joint) { + if (skinRef->jointNames[idx_joint]->jointName.compare(nodeRef->jointName) == 0) { + addJointToJointNames = false; + jointNamesIndex = idx_joint; + } + } + + if (addJointToJointNames) { + skinRef->jointNames.push_back(nodeRef); + + // aib->mOffsetMatrix =====> skinRef->inverseBindMatrices + aiMatrix4x4 tmpMatrix4; + CopyValue(aib->mOffsetMatrix, tmpMatrix4); + inverseBindMatricesData.push_back(tmpMatrix4); + jointNamesIndex = static_cast(inverseBindMatricesData.size() - 1); + } + + // aib->mWeights =====> vertexWeightData + for (unsigned int idx_weights = 0; idx_weights < aib->mNumWeights; ++idx_weights) { + unsigned int vertexId = aib->mWeights[idx_weights].mVertexId; + float vertWeight = aib->mWeights[idx_weights].mWeight; + + // A vertex can only have at most four joint weights. Ignore all others. + if (jointsPerVertex[vertexId] > 3) { + continue; + } + + vertexJointData[vertexId][jointsPerVertex[vertexId]] = jointNamesIndex; + vertexWeightData[vertexId][jointsPerVertex[vertexId]] = vertWeight; + + jointsPerVertex[vertexId] += 1; + } + + } // End: for-loop mNumMeshes + + Mesh::Primitive& p = meshRef->primitives.back(); + Ref vertexJointAccessor = ExportData(mAsset, skinRef->id, bufferRef, aimesh->mNumVertices, vertexJointData, AttribType::VEC4, AttribType::VEC4, ComponentType_FLOAT); + if ( vertexJointAccessor ) { + p.attributes.joint.push_back( vertexJointAccessor ); + } + + Ref vertexWeightAccessor = ExportData(mAsset, skinRef->id, bufferRef, aimesh->mNumVertices, vertexWeightData, AttribType::VEC4, AttribType::VEC4, ComponentType_FLOAT); + if ( vertexWeightAccessor ) { + p.attributes.weight.push_back( vertexWeightAccessor ); + } + delete[] jointsPerVertex; + delete[] vertexWeightData; + delete[] vertexJointData; +} + +void glTFExporter::ExportMeshes() +{ + // Not for + // using IndicesType = decltype(aiFace::mNumIndices); + // But yes for + // using IndicesType = unsigned short; + // because "ComponentType_UNSIGNED_SHORT" used for indices. And it's a maximal type according to glTF specification. + typedef unsigned short IndicesType; + + // Variables needed for compression. BEGIN. + // Indices, not pointers - because pointer to buffer is changing while writing to it. + size_t idx_srcdata_begin;// Index of buffer before writing mesh data. Also, index of begin of coordinates array in buffer. + size_t idx_srcdata_normal = SIZE_MAX;// Index of begin of normals array in buffer. SIZE_MAX - mean that mesh has no normals. + std::vector idx_srcdata_tc;// Array of indices. Every index point to begin of texture coordinates array in buffer. + size_t idx_srcdata_ind;// Index of begin of coordinates indices array in buffer. + bool comp_allow;// Point that data of current mesh can be compressed. + // Variables needed for compression. END. + + std::string fname = std::string(mFilename); + std::string bufferIdPrefix = fname.substr(0, fname.rfind(".gltf")); + std::string bufferId = mAsset->FindUniqueID("", bufferIdPrefix.c_str()); + + Ref b = mAsset->GetBodyBuffer(); + if (!b) { + b = mAsset->buffers.Create(bufferId); + } + + //---------------------------------------- + // Initialize variables for the skin + bool createSkin = false; + for (unsigned int idx_mesh = 0; idx_mesh < mScene->mNumMeshes; ++idx_mesh) { + const aiMesh* aim = mScene->mMeshes[idx_mesh]; + if(aim->HasBones()) { + createSkin = true; + break; + } + } + + Ref skinRef; + std::string skinName = mAsset->FindUniqueID("skin", "skin"); + std::vector inverseBindMatricesData; + if(createSkin) { + skinRef = mAsset->skins.Create(skinName); + skinRef->name = skinName; + } + //---------------------------------------- + + for (unsigned int idx_mesh = 0; idx_mesh < mScene->mNumMeshes; ++idx_mesh) { + const aiMesh* aim = mScene->mMeshes[idx_mesh]; + + // Check if compressing requested and mesh can be encoded. +#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + comp_allow = mProperties->GetPropertyBool("extensions.Open3DGC.use", false); +#else + comp_allow = false; +#endif + + if(comp_allow && (aim->mPrimitiveTypes == aiPrimitiveType_TRIANGLE) && (aim->mNumVertices > 0) && (aim->mNumFaces > 0)) + { + idx_srcdata_tc.clear(); + idx_srcdata_tc.reserve(AI_MAX_NUMBER_OF_TEXTURECOORDS); + } + else + { + std::string msg; + + if(aim->mPrimitiveTypes != aiPrimitiveType_TRIANGLE) + msg = "all primitives of the mesh must be a triangles."; + else + msg = "mesh must has vertices and faces."; + + DefaultLogger::get()->warn("GLTF: can not use Open3DGC-compression: " + msg); + comp_allow = false; + } + + std::string meshId = mAsset->FindUniqueID(aim->mName.C_Str(), "mesh"); + Ref m = mAsset->meshes.Create(meshId); + m->primitives.resize(1); + Mesh::Primitive& p = m->primitives.back(); + + p.material = mAsset->materials.Get(aim->mMaterialIndex); + + /******************* Vertices ********************/ + // If compression is used then you need parameters of uncompressed region: begin and size. At this step "begin" is stored. + if(comp_allow) idx_srcdata_begin = b->byteLength; + + Ref v = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mVertices, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT); + if (v) p.attributes.position.push_back(v); + + /******************** Normals ********************/ + if(comp_allow && (aim->mNormals != 0)) idx_srcdata_normal = b->byteLength;// Store index of normals array. + + Ref n = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mNormals, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT); + if (n) p.attributes.normal.push_back(n); + + /************** Texture coordinates **************/ + for (int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) { + // Flip UV y coords + if (aim -> mNumUVComponents[i] > 1) { + for (unsigned int j = 0; j < aim->mNumVertices; ++j) { + aim->mTextureCoords[i][j].y = 1 - aim->mTextureCoords[i][j].y; + } + } + + if (aim->mNumUVComponents[i] > 0) { + AttribType::Value type = (aim->mNumUVComponents[i] == 2) ? AttribType::VEC2 : AttribType::VEC3; + + if(comp_allow) idx_srcdata_tc.push_back(b->byteLength);// Store index of texture coordinates array. + + Ref tc = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mTextureCoords[i], AttribType::VEC3, type, ComponentType_FLOAT, false); + if (tc) p.attributes.texcoord.push_back(tc); + } + } + + /*************** Vertices indices ****************/ + idx_srcdata_ind = b->byteLength;// Store index of indices array. + + if (aim->mNumFaces > 0) { + std::vector indices; + unsigned int nIndicesPerFace = aim->mFaces[0].mNumIndices; + indices.resize(aim->mNumFaces * nIndicesPerFace); + for (size_t i = 0; i < aim->mNumFaces; ++i) { + for (size_t j = 0; j < nIndicesPerFace; ++j) { + indices[i*nIndicesPerFace + j] = uint16_t(aim->mFaces[i].mIndices[j]); + } + } + + p.indices = ExportData(*mAsset, meshId, b, unsigned(indices.size()), &indices[0], AttribType::SCALAR, AttribType::SCALAR, ComponentType_UNSIGNED_SHORT, true); + } + + switch (aim->mPrimitiveTypes) { + case aiPrimitiveType_POLYGON: + p.mode = PrimitiveMode_TRIANGLES; break; // TODO implement this + case aiPrimitiveType_LINE: + p.mode = PrimitiveMode_LINES; break; + case aiPrimitiveType_POINT: + p.mode = PrimitiveMode_POINTS; break; + default: // aiPrimitiveType_TRIANGLE + p.mode = PrimitiveMode_TRIANGLES; + } + + /*************** Skins ****************/ + if(aim->HasBones()) { + ExportSkin(*mAsset, aim, m, b, skinRef, inverseBindMatricesData); + } + + /****************** Compression ******************/ + ///TODO: animation: weights, joints. + if(comp_allow) + { +#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC + // Only one type of compression supported at now - Open3DGC. + // + o3dgc::BinaryStream bs; + o3dgc::SC3DMCEncoder encoder; + o3dgc::IndexedFaceSet comp_o3dgc_ifs; + o3dgc::SC3DMCEncodeParams comp_o3dgc_params; + + // + // Fill data for encoder. + // + // Quantization + unsigned quant_coord = mProperties->GetPropertyInteger("extensions.Open3DGC.quantization.POSITION", 12); + unsigned quant_normal = mProperties->GetPropertyInteger("extensions.Open3DGC.quantization.NORMAL", 10); + unsigned quant_texcoord = mProperties->GetPropertyInteger("extensions.Open3DGC.quantization.TEXCOORD", 10); + + // Prediction + o3dgc::O3DGCSC3DMCPredictionMode prediction_position = o3dgc::O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION; + o3dgc::O3DGCSC3DMCPredictionMode prediction_normal = o3dgc::O3DGC_SC3DMC_SURF_NORMALS_PREDICTION; + o3dgc::O3DGCSC3DMCPredictionMode prediction_texcoord = o3dgc::O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION; + + // IndexedFacesSet: "Crease angle", "solid", "convex" are set to default. + comp_o3dgc_ifs.SetCCW(true); + comp_o3dgc_ifs.SetIsTriangularMesh(true); + comp_o3dgc_ifs.SetNumFloatAttributes(0); + // Coordinates + comp_o3dgc_params.SetCoordQuantBits(quant_coord); + comp_o3dgc_params.SetCoordPredMode(prediction_position); + comp_o3dgc_ifs.SetNCoord(aim->mNumVertices); + comp_o3dgc_ifs.SetCoord((o3dgc::Real* const)&b->GetPointer()[idx_srcdata_begin]); + // Normals + if(idx_srcdata_normal != SIZE_MAX) + { + comp_o3dgc_params.SetNormalQuantBits(quant_normal); + comp_o3dgc_params.SetNormalPredMode(prediction_normal); + comp_o3dgc_ifs.SetNNormal(aim->mNumVertices); + comp_o3dgc_ifs.SetNormal((o3dgc::Real* const)&b->GetPointer()[idx_srcdata_normal]); + } + + // Texture coordinates + for(size_t num_tc = 0; num_tc < idx_srcdata_tc.size(); num_tc++) + { + size_t num = comp_o3dgc_ifs.GetNumFloatAttributes(); + + comp_o3dgc_params.SetFloatAttributeQuantBits(static_cast(num), quant_texcoord); + comp_o3dgc_params.SetFloatAttributePredMode(static_cast(num), prediction_texcoord); + comp_o3dgc_ifs.SetNFloatAttribute(static_cast(num), aim->mNumVertices);// number of elements. + comp_o3dgc_ifs.SetFloatAttributeDim(static_cast(num), aim->mNumUVComponents[num_tc]);// components per element: aiVector3D => x * float + comp_o3dgc_ifs.SetFloatAttributeType(static_cast(num), o3dgc::O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD); + comp_o3dgc_ifs.SetFloatAttribute(static_cast(num), (o3dgc::Real* const)&b->GetPointer()[idx_srcdata_tc[num_tc]]); + comp_o3dgc_ifs.SetNumFloatAttributes(static_cast(num + 1)); + } + + // Coordinates indices + comp_o3dgc_ifs.SetNCoordIndex(aim->mNumFaces); + comp_o3dgc_ifs.SetCoordIndex((IndicesType* const)&b->GetPointer()[idx_srcdata_ind]); + // Prepare to enconding + comp_o3dgc_params.SetNumFloatAttributes(comp_o3dgc_ifs.GetNumFloatAttributes()); + if(mProperties->GetPropertyBool("extensions.Open3DGC.binary", true)) + comp_o3dgc_params.SetStreamType(o3dgc::O3DGC_STREAM_TYPE_BINARY); + else + comp_o3dgc_params.SetStreamType(o3dgc::O3DGC_STREAM_TYPE_ASCII); + + comp_o3dgc_ifs.ComputeMinMax(o3dgc::O3DGC_SC3DMC_MAX_ALL_DIMS); + // + // Encoding + // + encoder.Encode(comp_o3dgc_params, comp_o3dgc_ifs, bs); + // Replace data in buffer. + b->ReplaceData(idx_srcdata_begin, b->byteLength - idx_srcdata_begin, bs.GetBuffer(), bs.GetSize()); + // + // Add information about extension to mesh. + // + // Create extension structure. + Mesh::SCompression_Open3DGC* ext = new Mesh::SCompression_Open3DGC; + + // Fill it. + ext->Buffer = b->id; + ext->Offset = idx_srcdata_begin; + ext->Count = b->byteLength - idx_srcdata_begin; + ext->Binary = mProperties->GetPropertyBool("extensions.Open3DGC.binary"); + ext->IndicesCount = comp_o3dgc_ifs.GetNCoordIndex() * 3; + ext->VerticesCount = comp_o3dgc_ifs.GetNCoord(); + // And assign to mesh. + m->Extension.push_back(ext); +#endif + }// if(comp_allow) + }// for (unsigned int i = 0; i < mScene->mNumMeshes; ++i) + + //---------------------------------------- + // Finish the skin + // Create the Accessor for skinRef->inverseBindMatrices + if (createSkin) { + mat4* invBindMatrixData = new mat4[inverseBindMatricesData.size()]; + for ( unsigned int idx_joint = 0; idx_joint < inverseBindMatricesData.size(); ++idx_joint) { + CopyValue(inverseBindMatricesData[idx_joint], invBindMatrixData[idx_joint]); + } + + Ref invBindMatrixAccessor = ExportData(*mAsset, skinName, b, static_cast(inverseBindMatricesData.size()), invBindMatrixData, AttribType::MAT4, AttribType::MAT4, ComponentType_FLOAT); + if (invBindMatrixAccessor) skinRef->inverseBindMatrices = invBindMatrixAccessor; + + // Identity Matrix =====> skinRef->bindShapeMatrix + // Temporary. Hard-coded identity matrix here + skinRef->bindShapeMatrix.isPresent = true; + IdentityMatrix4(skinRef->bindShapeMatrix.value); + + // Find node that contains this mesh and add "skeletons" and "skin" attributes to that node. + Ref rootNode = mAsset->nodes.Get(unsigned(0)); + Ref meshNode; + std::string meshID = mAsset->meshes.Get(unsigned(0))->id; + FindMeshNode(rootNode, meshNode, meshID); + + Ref rootJoint = FindSkeletonRootJoint(skinRef); + meshNode->skeletons.push_back(rootJoint); + meshNode->skin = skinRef; + } +} + +/* + * Export the root node of the node hierarchy. + * Calls ExportNode for all children. + */ +unsigned int glTFExporter::ExportNodeHierarchy(const aiNode* n) +{ + Ref node = mAsset->nodes.Create(mAsset->FindUniqueID(n->mName.C_Str(), "node")); + + if (!n->mTransformation.IsIdentity()) { + node->matrix.isPresent = true; + CopyValue(n->mTransformation, node->matrix.value); + } + + for (unsigned int i = 0; i < n->mNumMeshes; ++i) { + node->meshes.push_back(mAsset->meshes.Get(n->mMeshes[i])); + } + + for (unsigned int i = 0; i < n->mNumChildren; ++i) { + unsigned int idx = ExportNode(n->mChildren[i], node); + node->children.push_back(mAsset->nodes.Get(idx)); + } + + return node.GetIndex(); +} + +/* + * Export node and recursively calls ExportNode for all children. + * Since these nodes are not the root node, we also export the parent Ref + */ +unsigned int glTFExporter::ExportNode(const aiNode* n, Ref& parent) +{ + Ref node = mAsset->nodes.Create(mAsset->FindUniqueID(n->mName.C_Str(), "node")); + + node->parent = parent; + + if (!n->mTransformation.IsIdentity()) { + node->matrix.isPresent = true; + CopyValue(n->mTransformation, node->matrix.value); + } + + for (unsigned int i = 0; i < n->mNumMeshes; ++i) { + node->meshes.push_back(mAsset->meshes.Get(n->mMeshes[i])); + } + + for (unsigned int i = 0; i < n->mNumChildren; ++i) { + unsigned int idx = ExportNode(n->mChildren[i], node); + node->children.push_back(mAsset->nodes.Get(idx)); + } + + return node.GetIndex(); +} + + +void glTFExporter::ExportScene() +{ + const char* sceneName = "defaultScene"; + Ref scene = mAsset->scenes.Create(sceneName); + + // root node will be the first one exported (idx 0) + if (mAsset->nodes.Size() > 0) { + scene->nodes.push_back(mAsset->nodes.Get(0u)); + } + + // set as the default scene + mAsset->scene = scene; +} + +void glTFExporter::ExportMetadata() +{ + glTF::AssetMetadata& asset = mAsset->asset; + asset.version = 1; + + char buffer[256]; + ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%d)", + aiGetVersionMajor(), aiGetVersionMinor(), aiGetVersionRevision()); + + asset.generator = buffer; +} + +inline void ExtractAnimationData(Asset& mAsset, std::string& animId, Ref& animRef, Ref& buffer, const aiNodeAnim* nodeChannel, float ticksPerSecond) +{ + // Loop over the data and check to see if it exactly matches an existing buffer. + // If yes, then reference the existing corresponding accessor. + // Otherwise, add to the buffer and create a new accessor. + + size_t counts[3] = { + nodeChannel->mNumPositionKeys, + nodeChannel->mNumScalingKeys, + nodeChannel->mNumRotationKeys, + }; + size_t numKeyframes = 1; + for (int i = 0; i < 3; ++i) { + if (counts[i] > numKeyframes) { + numKeyframes = counts[i]; + } + } + + //------------------------------------------------------- + // Extract TIME parameter data. + // Check if the timeStamps are the same for mPositionKeys, mRotationKeys, and mScalingKeys. + if(nodeChannel->mNumPositionKeys > 0) { + typedef float TimeType; + std::vector timeData; + timeData.resize(numKeyframes); + for (size_t i = 0; i < numKeyframes; ++i) { + size_t frameIndex = i * nodeChannel->mNumPositionKeys / numKeyframes; + // mTime is measured in ticks, but GLTF time is measured in seconds, so convert. + // Check if we have to cast type here. e.g. uint16_t() + timeData[i] = nodeChannel->mPositionKeys[frameIndex].mTime / ticksPerSecond; + } + + Ref timeAccessor = ExportData(mAsset, animId, buffer, numKeyframes, &timeData[0], AttribType::SCALAR, AttribType::SCALAR, ComponentType_FLOAT); + if (timeAccessor) animRef->Parameters.TIME = timeAccessor; + } + + //------------------------------------------------------- + // Extract translation parameter data + if(nodeChannel->mNumPositionKeys > 0) { + C_STRUCT aiVector3D* translationData = new aiVector3D[numKeyframes]; + for (size_t i = 0; i < numKeyframes; ++i) { + size_t frameIndex = i * nodeChannel->mNumPositionKeys / numKeyframes; + translationData[i] = nodeChannel->mPositionKeys[frameIndex].mValue; + } + + Ref tranAccessor = ExportData(mAsset, animId, buffer, numKeyframes, translationData, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT); + if ( tranAccessor ) { + animRef->Parameters.translation = tranAccessor; + } + delete[] translationData; + } + + //------------------------------------------------------- + // Extract scale parameter data + if(nodeChannel->mNumScalingKeys > 0) { + C_STRUCT aiVector3D* scaleData = new aiVector3D[numKeyframes]; + for (size_t i = 0; i < numKeyframes; ++i) { + size_t frameIndex = i * nodeChannel->mNumScalingKeys / numKeyframes; + scaleData[i] = nodeChannel->mScalingKeys[frameIndex].mValue; + } + + Ref scaleAccessor = ExportData(mAsset, animId, buffer, numKeyframes, scaleData, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT); + if ( scaleAccessor ) { + animRef->Parameters.scale = scaleAccessor; + } + delete[] scaleData; + } + + //------------------------------------------------------- + // Extract rotation parameter data + if(nodeChannel->mNumRotationKeys > 0) { + vec4* rotationData = new vec4[numKeyframes]; + for (size_t i = 0; i < numKeyframes; ++i) { + size_t frameIndex = i * nodeChannel->mNumRotationKeys / numKeyframes; + rotationData[i][0] = nodeChannel->mRotationKeys[frameIndex].mValue.x; + rotationData[i][1] = nodeChannel->mRotationKeys[frameIndex].mValue.y; + rotationData[i][2] = nodeChannel->mRotationKeys[frameIndex].mValue.z; + rotationData[i][3] = nodeChannel->mRotationKeys[frameIndex].mValue.w; + } + + Ref rotAccessor = ExportData(mAsset, animId, buffer, numKeyframes, rotationData, AttribType::VEC4, AttribType::VEC4, ComponentType_FLOAT); + if ( rotAccessor ) { + animRef->Parameters.rotation = rotAccessor; + } + delete[] rotationData; + } +} + +void glTFExporter::ExportAnimations() +{ + Ref bufferRef = mAsset->buffers.Get(unsigned (0)); + + for (unsigned int i = 0; i < mScene->mNumAnimations; ++i) { + const aiAnimation* anim = mScene->mAnimations[i]; + + std::string nameAnim = "anim"; + if (anim->mName.length > 0) { + nameAnim = anim->mName.C_Str(); + } + + for (unsigned int channelIndex = 0; channelIndex < anim->mNumChannels; ++channelIndex) { + const aiNodeAnim* nodeChannel = anim->mChannels[channelIndex]; + + // It appears that assimp stores this type of animation as multiple animations. + // where each aiNodeAnim in mChannels animates a specific node. + std::string name = nameAnim + "_" + to_string(channelIndex); + name = mAsset->FindUniqueID(name, "animation"); + Ref animRef = mAsset->animations.Create(name); + + /******************* Parameters ********************/ + ExtractAnimationData(*mAsset, name, animRef, bufferRef, nodeChannel, anim->mTicksPerSecond); + + for (unsigned int j = 0; j < 3; ++j) { + std::string channelType; + int channelSize; + switch (j) { + case 0: + channelType = "rotation"; + channelSize = nodeChannel->mNumRotationKeys; + break; + case 1: + channelType = "scale"; + channelSize = nodeChannel->mNumScalingKeys; + break; + case 2: + channelType = "translation"; + channelSize = nodeChannel->mNumPositionKeys; + break; + } + + if (channelSize < 1) { continue; } + + Animation::AnimChannel tmpAnimChannel; + Animation::AnimSampler tmpAnimSampler; + + tmpAnimChannel.sampler = name + "_" + channelType; + tmpAnimChannel.target.path = channelType; + tmpAnimSampler.output = channelType; + tmpAnimSampler.id = name + "_" + channelType; + + tmpAnimChannel.target.id = mAsset->nodes.Get(nodeChannel->mNodeName.C_Str()); + + tmpAnimSampler.input = "TIME"; + tmpAnimSampler.interpolation = "LINEAR"; + + animRef->Channels.push_back(tmpAnimChannel); + animRef->Samplers.push_back(tmpAnimSampler); + } + + } + + // Assimp documentation staes this is not used (not implemented) + // for (unsigned int channelIndex = 0; channelIndex < anim->mNumMeshChannels; ++channelIndex) { + // const aiMeshAnim* meshChannel = anim->mMeshChannels[channelIndex]; + // } + + } // End: for-loop mNumAnimations +} + + +#endif // ASSIMP_BUILD_NO_GLTF_EXPORTER +#endif // ASSIMP_BUILD_NO_EXPORT diff --git a/code/glTF2Exporter.h b/code/glTF2Exporter.h new file mode 100644 index 000000000..c813fff44 --- /dev/null +++ b/code/glTF2Exporter.h @@ -0,0 +1,118 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 GltfExporter.h +* Declares the exporter class to write a scene to a gltf/glb file +*/ +#ifndef AI_GLTFEXPORTER_H_INC +#define AI_GLTFEXPORTER_H_INC + +#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER + +#include +#include + +#include +#include +#include +#include + +struct aiScene; +struct aiNode; +struct aiMaterial; + +namespace glTF +{ + template + class Ref; + + class Asset; + struct TexProperty; + struct Node; +} + +namespace Assimp +{ + class IOSystem; + class IOStream; + class ExportProperties; + + // ------------------------------------------------------------------------------------------------ + /** Helper class to export a given scene to an glTF file. */ + // ------------------------------------------------------------------------------------------------ + class glTFExporter + { + public: + /// Constructor for a specific scene to export + glTFExporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene, + const ExportProperties* pProperties, bool binary); + + private: + + const char* mFilename; + IOSystem* mIOSystem; + const aiScene* mScene; + const ExportProperties* mProperties; + + std::map mTexturesByPath; + + std::shared_ptr mAsset; + + std::vector mBodyData; + + void WriteBinaryData(IOStream* outfile, std::size_t sceneLength); + + void GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop); + void GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt); + void ExportMetadata(); + void ExportMaterials(); + void ExportMeshes(); + unsigned int ExportNodeHierarchy(const aiNode* n); + unsigned int ExportNode(const aiNode* node, glTF::Ref& parent); + void ExportScene(); + void ExportAnimations(); + }; + +} + +#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER + +#endif // AI_GLTFEXPORTER_H_INC From d7cbbaf23e6a0a066c4869d1a211850c4fc59c05 Mon Sep 17 00:00:00 2001 From: jamesgk Date: Thu, 20 Jul 2017 10:59:21 -0700 Subject: [PATCH 2/9] Compile with glTF2 export option (currently same as glTF1 output) --- code/CMakeLists.txt | 6 +++++ code/Exporter.cpp | 3 +++ code/glTF2Asset.h | 10 ++++---- code/glTF2Asset.inl | 2 +- code/glTF2AssetWriter.h | 12 +++++----- code/glTF2AssetWriter.inl | 2 +- code/glTF2Exporter.cpp | 48 ++++++++++++++++----------------------- code/glTF2Exporter.h | 20 ++++++++-------- 8 files changed, 52 insertions(+), 51 deletions(-) diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt index 0477f5fef..8c9a248c4 100644 --- a/code/CMakeLists.txt +++ b/code/CMakeLists.txt @@ -661,6 +661,12 @@ ADD_ASSIMP_IMPORTER( GLTF glTFImporter.h glTFExporter.h glTFExporter.cpp + glTF2Asset.h + glTF2Asset.inl + glTF2AssetWriter.h + glTF2AssetWriter.inl + glTF2Exporter.h + glTF2Exporter.cpp ) ADD_ASSIMP_IMPORTER( 3MF diff --git a/code/Exporter.cpp b/code/Exporter.cpp index f03702869..7af7d2cf5 100644 --- a/code/Exporter.cpp +++ b/code/Exporter.cpp @@ -90,6 +90,7 @@ void ExportScenePlyBinary(const char*, IOSystem*, const aiScene*, const ExportPr void ExportScene3DS(const char*, IOSystem*, const aiScene*, const ExportProperties*); void ExportSceneGLTF(const char*, IOSystem*, const aiScene*, const ExportProperties*); void ExportSceneGLB(const char*, IOSystem*, const aiScene*, const ExportProperties*); +void ExportSceneGLTF2(const char*, IOSystem*, const aiScene*, const ExportProperties*); void ExportSceneAssbin(const char*, IOSystem*, const aiScene*, const ExportProperties*); void ExportSceneAssxml(const char*, IOSystem*, const aiScene*, const ExportProperties*); void ExportSceneX3D(const char*, IOSystem*, const aiScene*, const ExportProperties*); @@ -144,6 +145,8 @@ Exporter::ExportFormatEntry gExporters[] = aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType), Exporter::ExportFormatEntry( "glb", "GL Transmission Format (binary)", "glb", &ExportSceneGLB, aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType), + Exporter::ExportFormatEntry( "gltf2", "GL Transmission Format v. 2", "gltf", &ExportSceneGLTF2, + aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType), #endif #ifndef ASSIMP_BUILD_NO_ASSBIN_EXPORTER diff --git a/code/glTF2Asset.h b/code/glTF2Asset.h index 41d0dfd06..3331c1128 100644 --- a/code/glTF2Asset.h +++ b/code/glTF2Asset.h @@ -46,8 +46,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * KHR_binary_glTF: full * KHR_materials_common: full */ -#ifndef GLTFASSET_H_INC -#define GLTFASSET_H_INC +#ifndef GLTF2ASSET_H_INC +#define GLTF2ASSET_H_INC #ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER @@ -89,7 +89,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # endif #endif -namespace glTF +namespace glTF2 { #ifdef ASSIMP_API using Assimp::IOStream; @@ -1187,8 +1187,8 @@ namespace glTF } // Include the implementation of the methods -#include "glTFAsset.inl" +#include "glTF2Asset.inl" #endif // ASSIMP_BUILD_NO_GLTF_IMPORTER -#endif // GLTFASSET_H_INC +#endif // GLTF2ASSET_H_INC diff --git a/code/glTF2Asset.inl b/code/glTF2Asset.inl index fe29dde70..9065cedb5 100644 --- a/code/glTF2Asset.inl +++ b/code/glTF2Asset.inl @@ -51,7 +51,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. using namespace Assimp; -namespace glTF { +namespace glTF2 { namespace { diff --git a/code/glTF2AssetWriter.h b/code/glTF2AssetWriter.h index 186d32a15..976f23f9a 100644 --- a/code/glTF2AssetWriter.h +++ b/code/glTF2AssetWriter.h @@ -46,14 +46,14 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * KHR_binary_glTF: full * KHR_materials_common: full */ -#ifndef GLTFASSETWRITER_H_INC -#define GLTFASSETWRITER_H_INC +#ifndef GLTF2ASSETWRITER_H_INC +#define GLTF2ASSETWRITER_H_INC #ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER -#include "glTFAsset.h" +#include "glTF2Asset.h" -namespace glTF +namespace glTF2 { using rapidjson::MemoryPoolAllocator; @@ -88,8 +88,8 @@ public: } // Include the implementation of the methods -#include "glTFAssetWriter.inl" +#include "glTF2AssetWriter.inl" #endif // ASSIMP_BUILD_NO_GLTF_IMPORTER -#endif // GLTFASSETWRITER_H_INC +#endif // GLTF2ASSETWRITER_H_INC diff --git a/code/glTF2AssetWriter.inl b/code/glTF2AssetWriter.inl index d3a553c27..9bf1c5697 100644 --- a/code/glTF2AssetWriter.inl +++ b/code/glTF2AssetWriter.inl @@ -43,7 +43,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include -namespace glTF { +namespace glTF2 { using rapidjson::StringBuffer; using rapidjson::PrettyWriter; diff --git a/code/glTF2Exporter.cpp b/code/glTF2Exporter.cpp index aeb5069aa..e6dc2c4b1 100644 --- a/code/glTF2Exporter.cpp +++ b/code/glTF2Exporter.cpp @@ -41,7 +41,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef ASSIMP_BUILD_NO_EXPORT #ifndef ASSIMP_BUILD_NO_GLTF_EXPORTER -#include "glTFExporter.h" +#include "glTF2Exporter.h" #include "Exceptional.h" #include "StringComparison.h" @@ -60,7 +60,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include -#include "glTFAssetWriter.h" +#include "glTF2AssetWriter.h" #ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC // Header files, Open3DGC. @@ -70,29 +70,21 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. using namespace rapidjson; using namespace Assimp; -using namespace glTF; +using namespace glTF2; namespace Assimp { // ------------------------------------------------------------------------------------------------ // Worker function for exporting a scene to GLTF. Prototyped and registered in Exporter.cpp - void ExportSceneGLTF(const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) + void ExportSceneGLTF2(const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) { // invoke the exporter - glTFExporter exporter(pFile, pIOSystem, pScene, pProperties, false); - } - - // ------------------------------------------------------------------------------------------------ - // Worker function for exporting a scene to GLB. Prototyped and registered in Exporter.cpp - void ExportSceneGLB(const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) - { - // invoke the exporter - glTFExporter exporter(pFile, pIOSystem, pScene, pProperties, true); + glTF2Exporter exporter(pFile, pIOSystem, pScene, pProperties, false); } } // end of namespace Assimp -glTFExporter::glTFExporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene, +glTF2Exporter::glTF2Exporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties, bool isBinary) : mFilename(filename) , mIOSystem(pIOSystem) @@ -112,7 +104,7 @@ glTFExporter::glTFExporter(const char* filename, IOSystem* pIOSystem, const aiSc mScene = sceneCopy.get(); - mAsset.reset( new glTF::Asset( pIOSystem ) ); + mAsset.reset( new Asset( pIOSystem ) ); if (isBinary) { mAsset->SetAsBinary(); @@ -138,7 +130,7 @@ glTFExporter::glTFExporter(const char* filename, IOSystem* pIOSystem, const aiSc ExportAnimations(); - glTF::AssetWriter writer(*mAsset); + AssetWriter writer(*mAsset); if (isBinary) { writer.WriteGLBFile(filename); @@ -151,7 +143,7 @@ glTFExporter::glTFExporter(const char* filename, IOSystem* pIOSystem, const aiSc * Copy a 4x4 matrix from struct aiMatrix to typedef mat4. * Also converts from row-major to column-major storage. */ -static void CopyValue(const aiMatrix4x4& v, glTF::mat4& o) +static void CopyValue(const aiMatrix4x4& v, mat4& o) { o[ 0] = v.a1; o[ 1] = v.b1; o[ 2] = v.c1; o[ 3] = v.d1; o[ 4] = v.a2; o[ 5] = v.b2; o[ 6] = v.c2; o[ 7] = v.d2; @@ -167,7 +159,7 @@ static void CopyValue(const aiMatrix4x4& v, aiMatrix4x4& o) o.d1 = v.d1; o.d2 = v.d2; o.d3 = v.d3; o.d4 = v.d4; } -static void IdentityMatrix4(glTF::mat4& o) +static void IdentityMatrix4(mat4& o) { o[ 0] = 1; o[ 1] = 0; o[ 2] = 0; o[ 3] = 0; o[ 4] = 0; o[ 5] = 1; o[ 6] = 0; o[ 7] = 0; @@ -248,7 +240,7 @@ namespace { } } -void glTFExporter::GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop) +void glTF2Exporter::GetTexSampler(const aiMaterial* mat, TexProperty& prop) { std::string samplerId = mAsset->FindUniqueID("", "sampler"); prop.texture->sampler = mAsset->samplers.Create(samplerId); @@ -294,7 +286,7 @@ void glTFExporter::GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop) prop.texture->sampler->minFilter = SamplerMinFilter_Linear; } -void glTFExporter::GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt) +void glTF2Exporter::GetMatColorOrTex(const aiMaterial* mat, TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt) { aiString tex; aiColor4D col; @@ -346,7 +338,7 @@ void glTFExporter::GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& pr } -void glTFExporter::ExportMaterials() +void glTF2Exporter::ExportMaterials() { aiString aiName; for (unsigned int i = 0; i < mScene->mNumMaterials; ++i) { @@ -496,7 +488,7 @@ void ExportSkin(Asset& mAsset, const aiMesh* aimesh, Ref& meshRef, Ref node = mAsset->nodes.Create(mAsset->FindUniqueID(n->mName.C_Str(), "node")); @@ -793,7 +785,7 @@ unsigned int glTFExporter::ExportNodeHierarchy(const aiNode* n) * Export node and recursively calls ExportNode for all children. * Since these nodes are not the root node, we also export the parent Ref */ -unsigned int glTFExporter::ExportNode(const aiNode* n, Ref& parent) +unsigned int glTF2Exporter::ExportNode(const aiNode* n, Ref& parent) { Ref node = mAsset->nodes.Create(mAsset->FindUniqueID(n->mName.C_Str(), "node")); @@ -817,7 +809,7 @@ unsigned int glTFExporter::ExportNode(const aiNode* n, Ref& parent) } -void glTFExporter::ExportScene() +void glTF2Exporter::ExportScene() { const char* sceneName = "defaultScene"; Ref scene = mAsset->scenes.Create(sceneName); @@ -831,9 +823,9 @@ void glTFExporter::ExportScene() mAsset->scene = scene; } -void glTFExporter::ExportMetadata() +void glTF2Exporter::ExportMetadata() { - glTF::AssetMetadata& asset = mAsset->asset; + AssetMetadata& asset = mAsset->asset; asset.version = 1; char buffer[256]; @@ -931,7 +923,7 @@ inline void ExtractAnimationData(Asset& mAsset, std::string& animId, Ref bufferRef = mAsset->buffers.Get(unsigned (0)); diff --git a/code/glTF2Exporter.h b/code/glTF2Exporter.h index c813fff44..1378fa9f8 100644 --- a/code/glTF2Exporter.h +++ b/code/glTF2Exporter.h @@ -42,8 +42,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. /** @file GltfExporter.h * Declares the exporter class to write a scene to a gltf/glb file */ -#ifndef AI_GLTFEXPORTER_H_INC -#define AI_GLTFEXPORTER_H_INC +#ifndef AI_GLTF2EXPORTER_H_INC +#define AI_GLTF2EXPORTER_H_INC #ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER @@ -59,7 +59,7 @@ struct aiScene; struct aiNode; struct aiMaterial; -namespace glTF +namespace glTF2 { template class Ref; @@ -78,11 +78,11 @@ namespace Assimp // ------------------------------------------------------------------------------------------------ /** Helper class to export a given scene to an glTF file. */ // ------------------------------------------------------------------------------------------------ - class glTFExporter + class glTF2Exporter { public: /// Constructor for a specific scene to export - glTFExporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene, + glTF2Exporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties, bool binary); private: @@ -94,19 +94,19 @@ namespace Assimp std::map mTexturesByPath; - std::shared_ptr mAsset; + std::shared_ptr mAsset; std::vector mBodyData; void WriteBinaryData(IOStream* outfile, std::size_t sceneLength); - void GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop); - void GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt); + void GetTexSampler(const aiMaterial* mat, glTF2::TexProperty& prop); + void GetMatColorOrTex(const aiMaterial* mat, glTF2::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt); void ExportMetadata(); void ExportMaterials(); void ExportMeshes(); unsigned int ExportNodeHierarchy(const aiNode* n); - unsigned int ExportNode(const aiNode* node, glTF::Ref& parent); + unsigned int ExportNode(const aiNode* node, glTF2::Ref& parent); void ExportScene(); void ExportAnimations(); }; @@ -115,4 +115,4 @@ namespace Assimp #endif // ASSIMP_BUILD_NO_GLTF_IMPORTER -#endif // AI_GLTFEXPORTER_H_INC +#endif // AI_GLTF2EXPORTER_H_INC From bb55246c180f4722d2dda5913199e66cd14a8f03 Mon Sep 17 00:00:00 2001 From: jamesgk Date: Tue, 25 Jul 2017 17:26:18 -0700 Subject: [PATCH 3/9] Export glTF 2 --- code/glTF2Asset.h | 23 ++++++-- code/glTF2Asset.inl | 1 + code/glTF2AssetWriter.inl | 112 ++++++++++++++++---------------------- code/glTF2Exporter.cpp | 38 +++++++++---- 4 files changed, 93 insertions(+), 81 deletions(-) diff --git a/code/glTF2Asset.h b/code/glTF2Asset.h index 3331c1128..36caba2cb 100644 --- a/code/glTF2Asset.h +++ b/code/glTF2Asset.h @@ -177,7 +177,7 @@ namespace glTF2 struct GLB_Header { uint8_t magic[4]; //!< Magic number: "glTF" - uint32_t version; //!< Version number (always 1 as of the last update) + uint32_t version; //!< Version number uint32_t length; //!< Total length of the Binary glTF, including header, scene, and body, in bytes uint32_t sceneLength; //!< Length, in bytes, of the glTF scene uint32_t sceneFormat; //!< Specifies the format of the glTF scene (see the SceneFormat enum) @@ -381,6 +381,7 @@ namespace glTF2 //! Base classe for all glTF top-level objects struct Object { + int index; //!< The index of this object within its property container std::string id; //!< The globally unique ID used to reference this object std::string name; //!< The user-defined name of this object @@ -952,10 +953,10 @@ namespace glTF2 }; struct AnimChannel { - std::string sampler; //!< The ID of one sampler present in the containing animation's samplers property. + int sampler; //!< The index of a sampler in the containing animation's samplers property. struct AnimTarget { - Ref id; //!< The ID of the node to animate. + Ref node; //!< The node to animate. std::string path; //!< The name of property of the node to animate ("translation", "rotation", or "scale"). } target; }; @@ -977,6 +978,20 @@ namespace glTF2 Animation() {} void Read(Value& obj, Asset& r); + + //! Get accessor given an animation parameter name. + Ref GetAccessor(std::string name) { + if (name == "TIME") { + return Parameters.TIME; + } else if (name == "rotation") { + return Parameters.rotation; + } else if (name == "scale") { + return Parameters.scale; + } else if (name == "translation") { + return Parameters.translation; + } + return Ref(); + } }; @@ -1058,7 +1073,7 @@ namespace glTF2 std::string version; //!< Specifies the target rendering API (default: "1.0.3") } profile; //!< Specifies the target rendering API and version, e.g., WebGL 1.0.3. (default: {}) - int version; //!< The glTF format version (should be 1) + int version; //!< The glTF format version void Read(Document& doc); diff --git a/code/glTF2Asset.inl b/code/glTF2Asset.inl index 9065cedb5..33598e243 100644 --- a/code/glTF2Asset.inl +++ b/code/glTF2Asset.inl @@ -242,6 +242,7 @@ Ref LazyDict::Create(const char* id) } T* inst = new T(); inst->id = id; + inst->index = mObjs.size(); return Add(inst); } diff --git a/code/glTF2AssetWriter.inl b/code/glTF2AssetWriter.inl index 9bf1c5697..2c3f2fffd 100644 --- a/code/glTF2AssetWriter.inl +++ b/code/glTF2AssetWriter.inl @@ -79,7 +79,7 @@ namespace glTF2 { lst.SetArray(); lst.Reserve(unsigned(v.size()), al); for (size_t i = 0; i < v.size(); ++i) { - lst.PushBack(StringRef(v[i]->id), al); + lst.PushBack(v[i]->index, al); } obj.AddMember(StringRef(fieldId), lst, al); } @@ -89,7 +89,7 @@ namespace glTF2 { inline void Write(Value& obj, Accessor& a, AssetWriter& w) { - obj.AddMember("bufferView", Value(a.bufferView->id, w.mAl).Move(), w.mAl); + obj.AddMember("bufferView", a.bufferView->index, w.mAl); obj.AddMember("byteOffset", a.byteOffset, w.mAl); obj.AddMember("byteStride", a.byteStride, w.mAl); obj.AddMember("componentType", int(a.componentType), w.mAl); @@ -113,12 +113,13 @@ namespace glTF2 { Value valChannel; valChannel.SetObject(); { - valChannel.AddMember("sampler", c.sampler, w.mAl); + Animation::AnimSampler& s = a.Samplers[c.sampler]; + valChannel.AddMember("sampler", s.id, w.mAl); Value valTarget; valTarget.SetObject(); { - valTarget.AddMember("id", StringRef(c.target.id->id), w.mAl); + valTarget.AddMember("id", StringRef(c.target.node->id), w.mAl); valTarget.AddMember("path", c.target.path, w.mAl); } valChannel.AddMember("target", valTarget, w.mAl); @@ -127,61 +128,35 @@ namespace glTF2 { } obj.AddMember("channels", channels, w.mAl); - /****************** Parameters *******************/ - Value valParameters; - valParameters.SetObject(); - { - if (a.Parameters.TIME) { - valParameters.AddMember("TIME", StringRef(a.Parameters.TIME->id), w.mAl); - } - if (a.Parameters.rotation) { - valParameters.AddMember("rotation", StringRef(a.Parameters.rotation->id), w.mAl); - } - if (a.Parameters.scale) { - valParameters.AddMember("scale", StringRef(a.Parameters.scale->id), w.mAl); - } - if (a.Parameters.translation) { - valParameters.AddMember("translation", StringRef(a.Parameters.translation->id), w.mAl); - } - } - obj.AddMember("parameters", valParameters, w.mAl); - /****************** Samplers *******************/ Value valSamplers; - valSamplers.SetObject(); + valSamplers.SetArray(); for (size_t i = 0; i < unsigned(a.Samplers.size()); ++i) { Animation::AnimSampler& s = a.Samplers[i]; Value valSampler; valSampler.SetObject(); { - valSampler.AddMember("input", s.input, w.mAl); + Ref inputAccessor = a.GetAccessor(s.input); + Ref outputAccessor = a.GetAccessor(s.output); + valSampler.AddMember("input", inputAccessor->index, w.mAl); valSampler.AddMember("interpolation", s.interpolation, w.mAl); - valSampler.AddMember("output", s.output, w.mAl); + valSampler.AddMember("output", outputAccessor->index, w.mAl); } - valSamplers.AddMember(StringRef(s.id), valSampler, w.mAl); + valSamplers.PushBack(valSampler, w.mAl); } obj.AddMember("samplers", valSamplers, w.mAl); } inline void Write(Value& obj, Buffer& b, AssetWriter& w) { - const char* type; - switch (b.type) { - case Buffer::Type_text: - type = "text"; break; - default: - type = "arraybuffer"; - } - obj.AddMember("byteLength", static_cast(b.byteLength), w.mAl); - obj.AddMember("type", StringRef(type), w.mAl); obj.AddMember("uri", Value(b.GetURI(), w.mAl).Move(), w.mAl); } inline void Write(Value& obj, BufferView& bv, AssetWriter& w) { - obj.AddMember("buffer", Value(bv.buffer->id, w.mAl).Move(), w.mAl); + obj.AddMember("buffer", bv.buffer->index, w.mAl); obj.AddMember("byteOffset", static_cast(bv.byteOffset), w.mAl); obj.AddMember("byteLength", static_cast(bv.byteLength), w.mAl); obj.AddMember("target", int(bv.target), w.mAl); @@ -200,7 +175,7 @@ namespace glTF2 { exts.SetObject(); ext.SetObject(); - ext.AddMember("bufferView", StringRef(img.bufferView->id), w.mAl); + ext.AddMember("bufferView", img.bufferView->index, w.mAl); if (!img.mimeType.empty()) ext.AddMember("mimeType", StringRef(img.mimeType), w.mAl); @@ -224,9 +199,12 @@ namespace glTF2 { namespace { inline void WriteColorOrTex(Value& obj, TexProperty& prop, const char* propName, MemoryPoolAllocator<>& al) { - if (prop.texture) - obj.AddMember(StringRef(propName), Value(prop.texture->id, al).Move(), al); - else { + if (prop.texture) { + Value tex; + tex.SetObject(); + tex.AddMember("index", prop.texture->index, al); + obj.AddMember(StringRef(propName), tex, al); + } else { Value col; obj.AddMember(StringRef(propName), MakeValue(col, prop.color, al), al); } @@ -238,17 +216,21 @@ namespace glTF2 { Value v; v.SetObject(); { - WriteColorOrTex(v, m.ambient, "ambient", w.mAl); - WriteColorOrTex(v, m.diffuse, "diffuse", w.mAl); - WriteColorOrTex(v, m.specular, "specular", w.mAl); - WriteColorOrTex(v, m.emission, "emission", w.mAl); + WriteColorOrTex(v, m.ambient, m.ambient.texture ? "ambientTexture" : "ambientFactor", w.mAl); + WriteColorOrTex(v, m.diffuse, m.diffuse.texture ? "diffuseTexture" : "diffuseFactor", w.mAl); + WriteColorOrTex(v, m.specular, m.specular.texture ? "specularTexture" : "specularFactor", w.mAl); + WriteColorOrTex(v, m.emission, m.emission.texture ? "emissionTexture" : "emissionFactor", w.mAl); if (m.transparent) v.AddMember("transparency", m.transparency, w.mAl); - v.AddMember("shininess", m.shininess, w.mAl); + v.AddMember("shininessFactor", m.shininess, w.mAl); } - obj.AddMember("values", v, w.mAl); + v.AddMember("type", "commonPhong", w.mAl); + Value ext; + ext.SetObject(); + ext.AddMember("KHR_materials_common", v, w.mAl); + obj.AddMember("extensions", ext, w.mAl); } namespace { @@ -257,13 +239,13 @@ namespace glTF2 { { if (lst.empty()) return; if (lst.size() == 1 && !forceNumber) { - attrs.AddMember(StringRef(semantic), Value(lst[0]->id, w.mAl).Move(), w.mAl); + attrs.AddMember(StringRef(semantic), lst[0]->index, w.mAl); } else { for (size_t i = 0; i < lst.size(); ++i) { char buffer[32]; ai_snprintf(buffer, 32, "%s_%d", semantic, int(i)); - attrs.AddMember(Value(buffer, w.mAl).Move(), Value(lst[i]->id, w.mAl).Move(), w.mAl); + attrs.AddMember(Value(buffer, w.mAl).Move(), lst[i]->index, w.mAl); } } } @@ -337,10 +319,10 @@ namespace glTF2 { prim.AddMember("mode", Value(int(p.mode)).Move(), w.mAl); if (p.material) - prim.AddMember("material", p.material->id, w.mAl); + prim.AddMember("material", p.material->index, w.mAl); if (p.indices) - prim.AddMember("indices", Value(p.indices->id, w.mAl).Move(), w.mAl); + prim.AddMember("indices", p.indices->index, w.mAl); Value attrs; attrs.SetObject(); @@ -390,7 +372,7 @@ namespace glTF2 { AddRefsVector(obj, "skeletons", n.skeletons, w.mAl); if (n.skin) { - obj.AddMember("skin", Value(n.skin->id, w.mAl).Move(), w.mAl); + obj.AddMember("skin", n.skin->index, w.mAl); } if (!n.jointName.empty()) { @@ -437,9 +419,9 @@ namespace glTF2 { vJointNames.Reserve(unsigned(b.jointNames.size()), w.mAl); for (size_t i = 0; i < unsigned(b.jointNames.size()); ++i) { - vJointNames.PushBack(StringRef(b.jointNames[i]->jointName), w.mAl); + vJointNames.PushBack(b.jointNames[i]->index, w.mAl); } - obj.AddMember("jointNames", vJointNames, w.mAl); + obj.AddMember("joints", vJointNames, w.mAl); if (b.bindShapeMatrix.isPresent) { Value val; @@ -447,7 +429,7 @@ namespace glTF2 { } if (b.inverseBindMatrices) { - obj.AddMember("inverseBindMatrices", Value(b.inverseBindMatrices->id, w.mAl).Move(), w.mAl); + obj.AddMember("inverseBindMatrices", b.inverseBindMatrices->index, w.mAl); } } @@ -460,10 +442,10 @@ namespace glTF2 { inline void Write(Value& obj, Texture& tex, AssetWriter& w) { if (tex.source) { - obj.AddMember("source", Value(tex.source->id, w.mAl).Move(), w.mAl); + obj.AddMember("source", tex.source->index, w.mAl); } if (tex.sampler) { - obj.AddMember("sampler", Value(tex.sampler->id, w.mAl).Move(), w.mAl); + obj.AddMember("sampler", tex.sampler->index, w.mAl); } } @@ -490,7 +472,7 @@ namespace glTF2 { // Add the target scene field if (mAsset.scene) { - mDoc.AddMember("scene", StringRef(mAsset.scene->id), mAl); + mDoc.AddMember("scene", mAsset.scene->index, mAl); } } @@ -582,7 +564,7 @@ namespace glTF2 { GLB_Header header; memcpy(header.magic, AI_GLB_MAGIC_NUMBER, sizeof(header.magic)); - header.version = 1; + header.version = 2; AI_SWAP4(header.version); header.length = uint32_t(sizeof(header) + sceneLength + bodyLength); @@ -624,8 +606,8 @@ namespace glTF2 { if (false) exts.PushBack(StringRef("KHR_binary_glTF"), mAl); - if (false) - exts.PushBack(StringRef("KHR_materials_common"), mAl); + // This is used to export common materials with GLTF 2. + exts.PushBack(StringRef("KHR_materials_common"), mAl); } if (!exts.Empty()) @@ -653,9 +635,9 @@ namespace glTF2 { } Value* dict; - if (!(dict = FindObject(*container, d.mDictId))) { - container->AddMember(StringRef(d.mDictId), Value().SetObject().Move(), mDoc.GetAllocator()); - dict = FindObject(*container, d.mDictId); + if (!(dict = FindArray(*container, d.mDictId))) { + container->AddMember(StringRef(d.mDictId), Value().SetArray().Move(), mDoc.GetAllocator()); + dict = FindArray(*container, d.mDictId); } for (size_t i = 0; i < d.mObjs.size(); ++i) { @@ -670,7 +652,7 @@ namespace glTF2 { Write(obj, *d.mObjs[i], *this); - dict->AddMember(StringRef(d.mObjs[i]->id), obj, mAl); + dict->PushBack(obj, mAl); } } diff --git a/code/glTF2Exporter.cpp b/code/glTF2Exporter.cpp index e6dc2c4b1..ac727905b 100644 --- a/code/glTF2Exporter.cpp +++ b/code/glTF2Exporter.cpp @@ -434,7 +434,7 @@ void ExportSkin(Asset& mAsset, const aiMesh* aimesh, Ref& meshRef, RefmName =====> skinRef->jointNames // Find the node with id = mName. Ref nodeRef = mAsset.nodes.Get(aib->mName.C_Str()); - nodeRef->jointName = nodeRef->id; + nodeRef->jointName = nodeRef->name; unsigned int jointNamesIndex; bool addJointToJointNames = true; @@ -744,15 +744,27 @@ void glTF2Exporter::ExportMeshes() skinRef->bindShapeMatrix.isPresent = true; IdentityMatrix4(skinRef->bindShapeMatrix.value); - // Find node that contains this mesh and add "skeletons" and "skin" attributes to that node. + // Find nodes that contain a mesh with bones and add "skeletons" and "skin" attributes to those nodes. Ref rootNode = mAsset->nodes.Get(unsigned(0)); Ref meshNode; - std::string meshID = mAsset->meshes.Get(unsigned(0))->id; - FindMeshNode(rootNode, meshNode, meshID); - - Ref rootJoint = FindSkeletonRootJoint(skinRef); - meshNode->skeletons.push_back(rootJoint); - meshNode->skin = skinRef; + for (unsigned int meshIndex = 0; meshIndex < mAsset->meshes.Size(); ++meshIndex) { + Ref mesh = mAsset->meshes.Get(meshIndex); + bool hasBones = false; + for (unsigned int i = 0; i < mesh->primitives.size(); ++i) { + if (!mesh->primitives[i].attributes.weight.empty()) { + hasBones = true; + break; + } + } + if (!hasBones) { + continue; + } + std::string meshID = mesh->id; + FindMeshNode(rootNode, meshNode, meshID); + Ref rootJoint = FindSkeletonRootJoint(skinRef); + meshNode->skeletons.push_back(rootJoint); + meshNode->skin = skinRef; + } } } @@ -787,9 +799,11 @@ unsigned int glTF2Exporter::ExportNodeHierarchy(const aiNode* n) */ unsigned int glTF2Exporter::ExportNode(const aiNode* n, Ref& parent) { - Ref node = mAsset->nodes.Create(mAsset->FindUniqueID(n->mName.C_Str(), "node")); + std::string name = mAsset->FindUniqueID(n->mName.C_Str(), "node"); + Ref node = mAsset->nodes.Create(name); node->parent = parent; + node->name = name; if (!n->mTransformation.IsIdentity()) { node->matrix.isPresent = true; @@ -826,7 +840,7 @@ void glTF2Exporter::ExportScene() void glTF2Exporter::ExportMetadata() { AssetMetadata& asset = mAsset->asset; - asset.version = 1; + asset.version = 2; char buffer[256]; ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%d)", @@ -970,12 +984,12 @@ void glTF2Exporter::ExportAnimations() Animation::AnimChannel tmpAnimChannel; Animation::AnimSampler tmpAnimSampler; - tmpAnimChannel.sampler = name + "_" + channelType; + tmpAnimChannel.sampler = animRef->Samplers.size(); tmpAnimChannel.target.path = channelType; tmpAnimSampler.output = channelType; tmpAnimSampler.id = name + "_" + channelType; - tmpAnimChannel.target.id = mAsset->nodes.Get(nodeChannel->mNodeName.C_Str()); + tmpAnimChannel.target.node = mAsset->nodes.Get(nodeChannel->mNodeName.C_Str()); tmpAnimSampler.input = "TIME"; tmpAnimSampler.interpolation = "LINEAR"; From 16ed8861eb1ab7d03990006457ae8760b47cb713 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Patrick=20D=C3=A4hne?= Date: Wed, 26 Jul 2017 14:14:11 +0200 Subject: [PATCH 4/9] X3D importer: Workaround for buggy Android NDK (issue #1361) --- code/FIReader.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/code/FIReader.cpp b/code/FIReader.cpp index 19d94ed94..981d0b913 100755 --- a/code/FIReader.cpp +++ b/code/FIReader.cpp @@ -45,6 +45,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef ASSIMP_BUILD_NO_X3D_IMPORTER +// Workaround for issue #1361 +// https://github.com/assimp/assimp/issues/1361 +#ifdef __ANDROID__ +#define _GLIBCXX_USE_C99 1 +#endif + #include "FIReader.hpp" #include "Exceptional.h" #include From acf8c54e559f936740c5ce38d278679b8ecb5dde Mon Sep 17 00:00:00 2001 From: jamesgk Date: Wed, 26 Jul 2017 14:20:53 -0700 Subject: [PATCH 5/9] glTF2: Fix animation export --- code/glTF2AssetWriter.inl | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/code/glTF2AssetWriter.inl b/code/glTF2AssetWriter.inl index 2c3f2fffd..03e73eb27 100644 --- a/code/glTF2AssetWriter.inl +++ b/code/glTF2AssetWriter.inl @@ -113,13 +113,12 @@ namespace glTF2 { Value valChannel; valChannel.SetObject(); { - Animation::AnimSampler& s = a.Samplers[c.sampler]; - valChannel.AddMember("sampler", s.id, w.mAl); + valChannel.AddMember("sampler", c.sampler, w.mAl); Value valTarget; valTarget.SetObject(); { - valTarget.AddMember("id", StringRef(c.target.node->id), w.mAl); + valTarget.AddMember("node", c.target.node->index, w.mAl); valTarget.AddMember("path", c.target.path, w.mAl); } valChannel.AddMember("target", valTarget, w.mAl); From b7b17b03ec57ed81a9203ec9c3b40766b3eec22e Mon Sep 17 00:00:00 2001 From: jamesgk Date: Wed, 26 Jul 2017 14:39:35 -0700 Subject: [PATCH 6/9] glTF2: use opacity for diffuse alpha + alphaMode The "transparency" attribute is unused in glTF2. --- code/glTF2AssetWriter.inl | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/code/glTF2AssetWriter.inl b/code/glTF2AssetWriter.inl index 03e73eb27..646b31ec5 100644 --- a/code/glTF2AssetWriter.inl +++ b/code/glTF2AssetWriter.inl @@ -212,17 +212,20 @@ namespace glTF2 { inline void Write(Value& obj, Material& m, AssetWriter& w) { + if (m.transparent) { + obj.AddMember("alphaMode", "BLEND", w.mAl); + } + Value v; v.SetObject(); { + if (m.transparent && !m.diffuse.texture) { + m.diffuse.color[3] = m.transparency; + } WriteColorOrTex(v, m.ambient, m.ambient.texture ? "ambientTexture" : "ambientFactor", w.mAl); WriteColorOrTex(v, m.diffuse, m.diffuse.texture ? "diffuseTexture" : "diffuseFactor", w.mAl); WriteColorOrTex(v, m.specular, m.specular.texture ? "specularTexture" : "specularFactor", w.mAl); WriteColorOrTex(v, m.emission, m.emission.texture ? "emissionTexture" : "emissionFactor", w.mAl); - - if (m.transparent) - v.AddMember("transparency", m.transparency, w.mAl); - v.AddMember("shininessFactor", m.shininess, w.mAl); } v.AddMember("type", "commonPhong", w.mAl); From c91e9a94daf563b8761d953bb4b7c4338b04e6e0 Mon Sep 17 00:00:00 2001 From: jamesgk Date: Wed, 26 Jul 2017 14:42:22 -0700 Subject: [PATCH 7/9] glTF2: export materials' normal maps --- code/glTF2Asset.h | 1 + code/glTF2AssetWriter.inl | 16 +++++++++--- code/glTF2Exporter.cpp | 51 +++++++++++++++++++++------------------ code/glTF2Exporter.h | 4 ++- 4 files changed, 44 insertions(+), 28 deletions(-) diff --git a/code/glTF2Asset.h b/code/glTF2Asset.h index 36caba2cb..bbef4413e 100644 --- a/code/glTF2Asset.h +++ b/code/glTF2Asset.h @@ -697,6 +697,7 @@ namespace glTF2 TexProperty diffuse; TexProperty specular; TexProperty emission; + Ref normal; bool doubleSided; bool transparent; diff --git a/code/glTF2AssetWriter.inl b/code/glTF2AssetWriter.inl index 646b31ec5..6e1865bbf 100644 --- a/code/glTF2AssetWriter.inl +++ b/code/glTF2AssetWriter.inl @@ -196,14 +196,20 @@ namespace glTF2 { } namespace { - inline void WriteColorOrTex(Value& obj, TexProperty& prop, const char* propName, MemoryPoolAllocator<>& al) + inline void WriteTex(Value& obj, Ref texture, const char* propName, MemoryPoolAllocator<>& al) { - if (prop.texture) { + if (texture) { Value tex; tex.SetObject(); - tex.AddMember("index", prop.texture->index, al); + tex.AddMember("index", texture->index, al); obj.AddMember(StringRef(propName), tex, al); - } else { + } + } + + inline void WriteColorOrTex(Value& obj, TexProperty& prop, const char* propName, MemoryPoolAllocator<>& al) + { + WriteTex(obj, prop.texture, propName, al); + if (!prop.texture) { Value col; obj.AddMember(StringRef(propName), MakeValue(col, prop.color, al), al); } @@ -233,6 +239,8 @@ namespace glTF2 { ext.SetObject(); ext.AddMember("KHR_materials_common", v, w.mAl); obj.AddMember("extensions", ext, w.mAl); + + WriteTex(obj, m.normal, "normalTexture", w.mAl); } namespace { diff --git a/code/glTF2Exporter.cpp b/code/glTF2Exporter.cpp index ac727905b..97b60a604 100644 --- a/code/glTF2Exporter.cpp +++ b/code/glTF2Exporter.cpp @@ -240,10 +240,10 @@ namespace { } } -void glTF2Exporter::GetTexSampler(const aiMaterial* mat, TexProperty& prop) +void glTF2Exporter::GetTexSampler(const aiMaterial* mat, Ref texture) { std::string samplerId = mAsset->FindUniqueID("", "sampler"); - prop.texture->sampler = mAsset->samplers.Create(samplerId); + texture->sampler = mAsset->samplers.Create(samplerId); aiTextureMapMode mapU, mapV; aiGetMaterialInteger(mat,AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0),(int*)&mapU); @@ -251,45 +251,44 @@ void glTF2Exporter::GetTexSampler(const aiMaterial* mat, TexProperty& prop) switch (mapU) { case aiTextureMapMode_Wrap: - prop.texture->sampler->wrapS = SamplerWrap_Repeat; + texture->sampler->wrapS = SamplerWrap_Repeat; break; case aiTextureMapMode_Clamp: - prop.texture->sampler->wrapS = SamplerWrap_Clamp_To_Edge; + texture->sampler->wrapS = SamplerWrap_Clamp_To_Edge; break; case aiTextureMapMode_Mirror: - prop.texture->sampler->wrapS = SamplerWrap_Mirrored_Repeat; + texture->sampler->wrapS = SamplerWrap_Mirrored_Repeat; break; case aiTextureMapMode_Decal: default: - prop.texture->sampler->wrapS = SamplerWrap_Repeat; + texture->sampler->wrapS = SamplerWrap_Repeat; break; }; switch (mapV) { case aiTextureMapMode_Wrap: - prop.texture->sampler->wrapT = SamplerWrap_Repeat; + texture->sampler->wrapT = SamplerWrap_Repeat; break; case aiTextureMapMode_Clamp: - prop.texture->sampler->wrapT = SamplerWrap_Clamp_To_Edge; + texture->sampler->wrapT = SamplerWrap_Clamp_To_Edge; break; case aiTextureMapMode_Mirror: - prop.texture->sampler->wrapT = SamplerWrap_Mirrored_Repeat; + texture->sampler->wrapT = SamplerWrap_Mirrored_Repeat; break; case aiTextureMapMode_Decal: default: - prop.texture->sampler->wrapT = SamplerWrap_Repeat; + texture->sampler->wrapT = SamplerWrap_Repeat; break; }; // Hard coded Texture filtering options because I do not know where to find them in the aiMaterial. - prop.texture->sampler->magFilter = SamplerMagFilter_Linear; - prop.texture->sampler->minFilter = SamplerMinFilter_Linear; + texture->sampler->magFilter = SamplerMagFilter_Linear; + texture->sampler->minFilter = SamplerMinFilter_Linear; } -void glTF2Exporter::GetMatColorOrTex(const aiMaterial* mat, TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt) +void glTF2Exporter::GetMatTex(const aiMaterial* mat, Ref& texture, aiTextureType tt) { aiString tex; - aiColor4D col; if (mat->GetTextureCount(tt) > 0) { if (mat->Get(AI_MATKEY_TEXTURE(tt, 0), tex) == AI_SUCCESS) { std::string path = tex.C_Str(); @@ -298,43 +297,48 @@ void glTF2Exporter::GetMatColorOrTex(const aiMaterial* mat, TexProperty& prop, c if (path[0] != '*') { std::map::iterator it = mTexturesByPath.find(path); if (it != mTexturesByPath.end()) { - prop.texture = mAsset->textures.Get(it->second); + texture = mAsset->textures.Get(it->second); } } - if (!prop.texture) { + if (!texture) { std::string texId = mAsset->FindUniqueID("", "texture"); - prop.texture = mAsset->textures.Create(texId); - mTexturesByPath[path] = prop.texture.GetIndex(); + texture = mAsset->textures.Create(texId); + mTexturesByPath[path] = texture.GetIndex(); std::string imgId = mAsset->FindUniqueID("", "image"); - prop.texture->source = mAsset->images.Create(imgId); + texture->source = mAsset->images.Create(imgId); if (path[0] == '*') { // embedded aiTexture* tex = mScene->mTextures[atoi(&path[1])]; uint8_t* data = reinterpret_cast(tex->pcData); - prop.texture->source->SetData(data, tex->mWidth, *mAsset); + texture->source->SetData(data, tex->mWidth, *mAsset); if (tex->achFormatHint[0]) { std::string mimeType = "image/"; mimeType += (memcmp(tex->achFormatHint, "jpg", 3) == 0) ? "jpeg" : tex->achFormatHint; - prop.texture->source->mimeType = mimeType; + texture->source->mimeType = mimeType; } } else { - prop.texture->source->uri = path; + texture->source->uri = path; } - GetTexSampler(mat, prop); + GetTexSampler(mat, texture); } } } } +} +void glTF2Exporter::GetMatColorOrTex(const aiMaterial* mat, TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt) +{ + aiColor4D col; if (mat->Get(propName, type, idx, col) == AI_SUCCESS) { prop.color[0] = col.r; prop.color[1] = col.g; prop.color[2] = col.b; prop.color[3] = col.a; } + GetMatTex(mat, prop.texture, tt); } @@ -357,6 +361,7 @@ void glTF2Exporter::ExportMaterials() GetMatColorOrTex(mat, m->diffuse, AI_MATKEY_COLOR_DIFFUSE, aiTextureType_DIFFUSE); GetMatColorOrTex(mat, m->specular, AI_MATKEY_COLOR_SPECULAR, aiTextureType_SPECULAR); GetMatColorOrTex(mat, m->emission, AI_MATKEY_COLOR_EMISSIVE, aiTextureType_EMISSIVE); + GetMatTex(mat, m->normal, aiTextureType_NORMALS); m->transparent = mat->Get(AI_MATKEY_OPACITY, m->transparency) == aiReturn_SUCCESS && m->transparency != 1.0; diff --git a/code/glTF2Exporter.h b/code/glTF2Exporter.h index 1378fa9f8..17cc9cfdc 100644 --- a/code/glTF2Exporter.h +++ b/code/glTF2Exporter.h @@ -67,6 +67,7 @@ namespace glTF2 class Asset; struct TexProperty; struct Node; + struct Texture; } namespace Assimp @@ -100,7 +101,8 @@ namespace Assimp void WriteBinaryData(IOStream* outfile, std::size_t sceneLength); - void GetTexSampler(const aiMaterial* mat, glTF2::TexProperty& prop); + void GetTexSampler(const aiMaterial* mat, glTF2::Ref texture); + void GetMatTex(const aiMaterial* mat, glTF2::Ref& texture, aiTextureType tt); void GetMatColorOrTex(const aiMaterial* mat, glTF2::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt); void ExportMetadata(); void ExportMaterials(); From 5939d811380fcdeea4b59ffa881517025bb382aa Mon Sep 17 00:00:00 2001 From: jamesgk Date: Thu, 27 Jul 2017 15:18:35 -0700 Subject: [PATCH 8/9] glTF2: Use better mipmap filter defaults --- code/glTF2Exporter.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/code/glTF2Exporter.cpp b/code/glTF2Exporter.cpp index 97b60a604..b6a2efdd0 100644 --- a/code/glTF2Exporter.cpp +++ b/code/glTF2Exporter.cpp @@ -283,7 +283,7 @@ void glTF2Exporter::GetTexSampler(const aiMaterial* mat, Ref texture) // Hard coded Texture filtering options because I do not know where to find them in the aiMaterial. texture->sampler->magFilter = SamplerMagFilter_Linear; - texture->sampler->minFilter = SamplerMinFilter_Linear; + texture->sampler->minFilter = SamplerMinFilter_Linear_Mipmap_Linear; } void glTF2Exporter::GetMatTex(const aiMaterial* mat, Ref& texture, aiTextureType tt) From 7557fdbb72138ad0a4158e7290d2e11597622c95 Mon Sep 17 00:00:00 2001 From: Date: Sat, 29 Jul 2017 07:45:25 -0400 Subject: [PATCH 9/9] Fix install for builds with MSVC compiler and NMake. The CMake variable "MSVC" and the related versioned variables indicate that the Visual Studio compiler is used but when using that compiler and the "NMake Makefiles JOM" build generator the files it tried to install weren't in the expected Debug folder. --- CMakeLists.txt | 27 +++++++++++++++++++-------- code/CMakeLists.txt | 27 +++++++++++++++++++-------- 2 files changed, 38 insertions(+), 16 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index d781d1fd7..1c9821896 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -472,13 +472,24 @@ if(WIN32) if(MSVC12 OR MSVC14) add_custom_target(UpdateAssimpLibsDebugSymbolsAndDLLs COMMENT "Copying Assimp Libraries ..." VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Release/assimp-${ASSIMP_MSVC_VERSION}-mt.dll ${BIN_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.dll VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Release/assimp-${ASSIMP_MSVC_VERSION}-mt.exp ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.exp VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Release/assimp-${ASSIMP_MSVC_VERSION}-mt.lib ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.lib VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.dll ${BIN_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.dll VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.exp ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.exp VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.ilk ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.ilk VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.lib ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.lib VERBATIM) - add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.pdb ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.pdb VERBATIM) + IF(CMAKE_GENERATOR MATCHES "^Visual Studio") + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Release/assimp-${ASSIMP_MSVC_VERSION}-mt.dll ${BIN_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.dll VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Release/assimp-${ASSIMP_MSVC_VERSION}-mt.exp ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.exp VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Release/assimp-${ASSIMP_MSVC_VERSION}-mt.lib ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.lib VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.dll ${BIN_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.dll VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.exp ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.exp VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.ilk ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.ilk VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.lib ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.lib VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/Debug/assimp-${ASSIMP_MSVC_VERSION}-mtd.pdb ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.pdb VERBATIM) + ELSE() + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mt.dll ${BIN_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.dll VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mt.exp ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.exp VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mt.lib ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mt.lib VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mtd.dll ${BIN_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.dll VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mtd.exp ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.exp VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mtd.ilk ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.ilk VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mtd.lib ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.lib VERBATIM) + add_custom_command(TARGET UpdateAssimpLibsDebugSymbolsAndDLLs COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/code/assimp-${ASSIMP_MSVC_VERSION}-mtd.pdb ${LIB_DIR}assimp-${ASSIMP_MSVC_VERSION}-mtd.pdb VERBATIM) + ENDIF() ENDIF(MSVC12 OR MSVC14) ENDIF (WIN32) diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt index 0477f5fef..43e8ccf36 100644 --- a/code/CMakeLists.txt +++ b/code/CMakeLists.txt @@ -934,14 +934,25 @@ if (ASSIMP_ANDROID_JNIIOSYSTEM) endif(ASSIMP_ANDROID_JNIIOSYSTEM) if(MSVC AND ASSIMP_INSTALL_PDB) - install(FILES ${Assimp_BINARY_DIR}/code/Debug/assimp${LIBRARY_SUFFIX}${CMAKE_DEBUG_POSTFIX}.pdb - DESTINATION ${ASSIMP_LIB_INSTALL_DIR} - CONFIGURATIONS Debug - ) - install(FILES ${Assimp_BINARY_DIR}/code/RelWithDebInfo/assimp${LIBRARY_SUFFIX}.pdb - DESTINATION ${ASSIMP_LIB_INSTALL_DIR} - CONFIGURATIONS RelWithDebInfo - ) + IF(CMAKE_GENERATOR MATCHES "^Visual Studio") + install(FILES ${Assimp_BINARY_DIR}/code/Debug/assimp${LIBRARY_SUFFIX}${CMAKE_DEBUG_POSTFIX}.pdb + DESTINATION ${ASSIMP_LIB_INSTALL_DIR} + CONFIGURATIONS Debug + ) + install(FILES ${Assimp_BINARY_DIR}/code/RelWithDebInfo/assimp${LIBRARY_SUFFIX}.pdb + DESTINATION ${ASSIMP_LIB_INSTALL_DIR} + CONFIGURATIONS RelWithDebInfo + ) + ELSE() + install(FILES ${Assimp_BINARY_DIR}/code/assimp${LIBRARY_SUFFIX}${CMAKE_DEBUG_POSTFIX}.pdb + DESTINATION ${ASSIMP_LIB_INSTALL_DIR} + CONFIGURATIONS Debug + ) + install(FILES ${Assimp_BINARY_DIR}/code/assimp${LIBRARY_SUFFIX}.pdb + DESTINATION ${ASSIMP_LIB_INSTALL_DIR} + CONFIGURATIONS RelWithDebInfo + ) + ENDIF() endif () if (ASSIMP_COVERALLS)