diff options
Diffstat (limited to 'libs/assimp/code/AssetLib/glTF')
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFAsset.h | 1017 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFAsset.inl | 1316 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h | 96 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFAssetWriter.inl | 716 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFCommon.cpp | 117 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFCommon.h | 520 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFExporter.cpp | 1065 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFExporter.h | 118 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFImporter.cpp | 725 | ||||
| -rw-r--r-- | libs/assimp/code/AssetLib/glTF/glTFImporter.h | 89 |
10 files changed, 0 insertions, 5779 deletions
diff --git a/libs/assimp/code/AssetLib/glTF/glTFAsset.h b/libs/assimp/code/AssetLib/glTF/glTFAsset.h deleted file mode 100644 index 1a42e90..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFAsset.h +++ /dev/null @@ -1,1017 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -/** @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 - -#if !defined(ASSIMP_BUILD_NO_GLTF_IMPORTER) && !defined(ASSIMP_BUILD_NO_GLTF1_IMPORTER) - -#include "glTFCommon.h" -#include <assimp/Exceptional.h> -#include <algorithm> -#include <list> -#include <map> -#include <stdexcept> -#include <string> -#include <vector> - -// clang-format off - -#if (__GNUC__ == 8 && __GNUC_MINOR__ >= 0) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wclass-memaccess" -#endif - -#include <rapidjson/rapidjson.h> -#include <rapidjson/document.h> -#include <rapidjson/error/en.h> - -#if (__GNUC__ == 8 && __GNUC_MINOR__ >= 0) -#pragma GCC diagnostic pop -#endif - -#ifdef ASSIMP_API -# include <memory> -# include <assimp/DefaultIOSystem.h> -# include <assimp/ByteSwapper.h> -#else -# include <memory> -# 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 <unordered_map> -# if defined(_MSC_VER) && _MSC_VER <= 1600 -# define gltf_unordered_map tr1::unordered_map -# else -# define gltf_unordered_map unordered_map -# endif -#endif - -// clang-format on - -#include "AssetLib/glTF/glTFCommon.h" - -namespace glTF { - -using glTFCommon::IOStream; -using glTFCommon::IOSystem; -using glTFCommon::Nullable; -using glTFCommon::Ref; -using glTFCommon::shared_ptr; - -using rapidjson::Document; -using rapidjson::Value; - -class Asset; -class AssetWriter; - -struct BufferView; // here due to cross-reference -struct Texture; -struct Light; -struct Skin; - -using glTFCommon::mat4; -using glTFCommon::vec3; -using glTFCommon::vec4; - -//! Magic number for GLB files -#define AI_GLB_MAGIC_NUMBER "glTF" - -// clang-format off -#ifdef ASSIMP_API -# include <assimp/Compiler/pushpack1.h> -#endif -// clang-format on - -//! 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; - -// clang-format off -#ifdef ASSIMP_API -# include <assimp/Compiler/poppack1.h> -#endif -// clang-format on - -//! 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: - std::string err = "GLTF: Unsupported Component Type "; - err += std::to_string(t); - throw DeadlyImportError(err); - } -} - -//! Values for the BufferView::target field -enum BufferViewTarget { - BufferViewTarget_NONE = 0, - 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 - }; - - 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<Value>(i); - } - } - return SCALAR; - } - - inline static const char *ToString(Value type) { - return data<0>::infos[static_cast<size_t>(type)].name; - } - - inline static unsigned int GetNumComponents(Value type) { - return data<0>::infos[static_cast<size_t>(type)].numComponents; - } - -private: - static const size_t NUM_VALUES = static_cast<size_t>(MAT4) + 1; - struct Info { - const char *name; - unsigned int numComponents; - }; - - template <int N> - struct data { - static const Info infos[NUM_VALUES]; - }; -}; - -// must match the order of the AttribTypeTraits::Value enum! -template <int N> -const AttribType::Info AttribType::data<N>::infos[AttribType::NUM_VALUES] = { - { "SCALAR", 1 }, - { "VEC2", 2 }, - { "VEC3", 3 }, - { "VEC4", 4 }, - { "MAT2", 4 }, - { "MAT3", 9 }, - { "MAT4", 16 } -}; - -//! Base class 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; } - - Object() = default; - 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> 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<double> max; //!< Maximum value of each component in this attribute. - std::vector<double> min; //!< Minimum value of each component in this attribute. - - unsigned int GetNumComponents(); - unsigned int GetBytesPerComponent(); - unsigned int GetElementSize(); - - inline uint8_t *GetPointer(); - - template <class T> - 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; - - // This field is reported as not used, making it protectd is the easiest way to work around it without going to the bottom of what the problem is: - // ../code/glTF2/glTF2Asset.h:392:19: error: private field 'accessor' is not used [-Werror,-Wunused-private-field] - protected: - Accessor &accessor; - - private: - uint8_t *data; - size_t elemSize, stride; - - Indexer(Accessor &acc); - - public: - //! Accesses the i-th value as defined by the accessor - template <class T> - T GetValue(int i); - - //! Accesses the i-th value as defined by the accessor - inline unsigned int GetUInt(int i) { - return GetValue<unsigned int>(i); - } - - inline bool IsValid() const { - return data != 0; - } - }; - - inline Indexer GetIndexer() { - return Indexer(*this); - } - - Accessor() = default; - void Read(Value &obj, Asset &r); -}; - -//! A buffer points to binary geometry, animation, or skins. -struct Buffer : public Object { - /********************* Types *********************/ - enum Type { - Type_arraybuffer, - Type_text - }; - - /// @brief 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. - - /// @brief 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) {} - - /// Destructor. - ~SEncodedRegion() { delete[] DecodedData; } - }; - - /******************* Variables *******************/ - - size_t byteLength; //!< The length of the buffer in bytes. (default: 0) - - 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<uint8_t> mData; //!< Pointer to the data - bool mIsSpecial; //!< Set to true for special cases (e.g. the body buffer) - size_t capacity = 0; //!< The capacity of the buffer in bytes. (default: 0) - /// \var EncodedRegion_List - /// List of encoded regions. - std::list<SEncodedRegion *> EncodedRegion_List; - - /******************* Functions *******************/ - -public: - Buffer(); - ~Buffer(); - - void Read(Value &obj, Asset &r); - - bool LoadFromStream(IOStream &stream, size_t length = 0, size_t baseOffset = 0); - - /// 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); - - /// Select current encoded region by ID. \sa EncodedRegion_Current. - /// \param [in] pID - ID of the region. - void EncodedRegion_SetCurrent(const std::string &pID); - - /// 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> 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; //!<The floating - point aspect ratio of the field of view. (0 = undefined = use the canvas one) - float yfov; //!<The floating - point vertical field of view in radians. (required) - float zfar; //!<The floating - point distance to the far clipping plane. (required) - float znear; //!< The floating - point distance to the near clipping plane. (required) - } perspective; - - struct { - float xmag; //! The floating-point horizontal magnification of the view. (required) - float ymag; //! The floating-point vertical magnification of the view. (required) - float zfar; //! The floating-point distance to the far clipping plane. (required) - float znear; //! The floating-point distance to the near clipping plane. (required) - } ortographic; - }; - - Camera() = default; - void Read(Value &obj, Asset &r); -}; - -//! Image data used to create a texture. -struct Image : public Object { - std::string uri; //! The uri of the image, that can be a file path, a data URI, etc.. (required) - Ref<BufferView> bufferView; - std::string mimeType; - int width, height; - -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.get(); } - inline uint8_t *StealData(); - inline void SetData(uint8_t *data, size_t length, Asset &r); - -private: - std::unique_ptr<uint8_t[]> mData; - size_t mDataLength; -}; - -//! Holds a material property that can be a texture or a color -struct TexProperty { - Ref<Texture> texture; - vec4 color; -}; - -//! The material appearance of a primitive. -struct Material : public Object { - //Ref<Sampler> source; //!< The ID of the technique. - //std::gltf_unordered_map<std::string, std::string> 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<Accessor>> AccessorList; - - struct Primitive { - PrimitiveMode mode; - - struct Attributes { - AccessorList position, normal, texcoord, color, joint, jointmatrix, weight; - } attributes; - - Ref<Accessor> indices; - - Ref<Material> 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<Primitive> primitives; - std::list<SExtension *> Extension; ///< List of extensions used in mesh. - - Mesh() {} - - /// Destructor. - ~Mesh() { - for (std::list<SExtension *>::iterator it = Extension.begin(), it_end = Extension.end(); it != it_end; it++) { - delete *it; - }; - } - - /// @brief 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 asset where data will be stored. - void Read(Value &pJSON_Object, Asset &pAsset_Root); - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - /// @brief 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<Node>> children; - std::vector<Ref<Mesh>> meshes; - - Nullable<mat4> matrix; - Nullable<vec3> translation; - Nullable<vec4> rotation; - Nullable<vec3> scale; - - Ref<Camera> camera; - Ref<Light> light; - - std::vector<Ref<Node>> skeletons; //!< The ID of skeleton nodes. Each of which is the root of a node hierarchy. - Ref<Skin> 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<Node> 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() = default; - void Read(Value &obj, Asset &r); - void SetDefaults(); -}; - -struct Scene : public Object { - std::vector<Ref<Node>> nodes; - - Scene() = default; - void Read(Value &obj, Asset &r); -}; - -struct Shader : public Object { - Shader() = default; - void Read(Value &obj, Asset &r); -}; - -struct Skin : public Object { - Nullable<mat4> bindShapeMatrix; //!< Floating-point 4x4 transformation matrix stored in column-major order. - Ref<Accessor> inverseBindMatrices; //!< The ID of the accessor containing the floating-point 4x4 inverse-bind matrices. - std::vector<Ref<Node>> 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() = default; - void Read(Value &obj, Asset &r); -}; - -struct Technique : public Object { - struct Parameters { - }; - - struct States { - }; - - struct Functions { - }; - - Technique() = default; - void Read(Value &obj, Asset &r); -}; - -//! A texture and its sampler. -struct Texture : public Object { - Ref<Sampler> sampler; //!< The ID of the sampler used by this texture. (required) - Ref<Image> source; //!< The ID of the image used by this texture. (required) - - Texture() = default; - 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() = default; - 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<Node> 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<Accessor> TIME; //!< Accessor reference to a buffer storing a array of floating point scalar values. - Ref<Accessor> rotation; //!< Accessor reference to a buffer storing a array of four-component floating-point vectors. - Ref<Accessor> scale; //!< Accessor reference to a buffer storing a array of three-component floating-point vectors. - Ref<Accessor> translation; //!< Accessor reference to a buffer storing a array of three-component floating-point vectors. - }; - - std::vector<AnimChannel> 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<AnimSampler> Samplers; //!< The parameterized inputs representing the key-frame data. - - Animation() = default; - 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; - -#if !defined(ASSIMP_BUILD_NO_EXPORT) - virtual void WriteObjects(AssetWriter &writer) = 0; -#endif -}; - -template <class T> -class LazyDict; - -//! (Implemented in glTFAssetWriter.h) -template <class T> -void WriteLazyDict(LazyDict<T> &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 T> -class LazyDict : public LazyDictBase { - friend class Asset; - friend class AssetWriter; - - typedef typename std::gltf_unordered_map<std::string, unsigned int> Dict; - - std::vector<T *> 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(); - -#if !defined(ASSIMP_BUILD_NO_EXPORT) - void WriteObjects(AssetWriter &writer) { WriteLazyDict<T>(*this, writer); } -#endif - - Ref<T> Add(T *obj); - -public: - LazyDict(Asset &asset, const char *dictId, const char *extId = 0); - ~LazyDict(); - - Ref<T> Get(const char *id); - Ref<T> Get(unsigned int i); - Ref<T> Get(const std::string &pID) { return Get(pID.c_str()); } - - Ref<T> Create(const char *id); - Ref<T> 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: {}) - - std::string version; //!< The glTF format version (should be 1.0) - - void Read(Document &doc); - - AssetMetadata() : - premultipliedAlpha(false), version() { - } -}; - -// -// glTF Asset class -// - -//! Root object for a glTF asset -class Asset { - using IdMap = std::gltf_unordered_map<std::string, int>; - - template <class T> - 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<LazyDictBase *> mDicts; - - IdMap mUsedIds; - - Ref<Buffer> 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<Accessor> accessors; - LazyDict<Animation> animations; - LazyDict<Buffer> buffers; - LazyDict<BufferView> bufferViews; - LazyDict<Camera> cameras; - LazyDict<Image> images; - LazyDict<Material> materials; - LazyDict<Mesh> meshes; - LazyDict<Node> nodes; - LazyDict<Sampler> samplers; - LazyDict<Scene> scenes; - LazyDict<Skin> skins; - LazyDict<Texture> textures; - - LazyDict<Light> lights; // KHR_materials_common ext - - Ref<Scene> 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"), - samplers(*this, "samplers"), - scenes(*this, "scenes"), - skins(*this, "skins"), - 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<Buffer> GetBodyBuffer() { return mBodyBuffer; } - -private: - void ReadBinaryHeader(IOStream &stream); - - void ReadExtensionsUsed(Document &doc); - - IOStream *OpenFile(const std::string &path, const char *mode, bool absolute = false); -}; - -} // namespace glTF - -// Include the implementation of the methods -#include "glTFAsset.inl" - -#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER - -#endif // GLTFASSET_H_INC diff --git a/libs/assimp/code/AssetLib/glTF/glTFAsset.inl b/libs/assimp/code/AssetLib/glTF/glTFAsset.inl deleted file mode 100644 index 2b76a30..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFAsset.inl +++ /dev/null @@ -1,1316 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#include <assimp/MemoryIOWrapper.h> -#include <assimp/StringUtils.h> -#include <iomanip> - -// Header files, Assimp -#include <assimp/DefaultLogger.hpp> -#include <assimp/Base64.hpp> - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC -// Header files, Open3DGC. -#include <Open3DGC/o3dgcSC3DMCDecoder.h> -#endif - -using namespace Assimp; -using namespace glTFCommon; - -namespace glTF { - -#if _MSC_VER -#pragma warning(push) -#pragma warning(disable : 4706) -#endif // _MSC_VER - -// -// LazyDict methods -// - -template <class T> -inline LazyDict<T>::LazyDict(Asset &asset, const char *dictId, const char *extId) : - mDictId(dictId), mExtId(extId), mDict(0), mAsset(asset) { - asset.mDicts.push_back(this); // register to the list of dictionaries -} - -template <class T> -inline LazyDict<T>::~LazyDict() { - for (size_t i = 0; i < mObjs.size(); ++i) { - delete mObjs[i]; - } -} - -template <class T> -inline void LazyDict<T>::AttachToDocument(Document &doc) { - Value *container = 0; - - if (mExtId) { - if (Value *exts = FindObject(doc, "extensions")) { - container = FindObject(*exts, mExtId); - } - } else { - container = &doc; - } - - if (container) { - mDict = FindObject(*container, mDictId); - } -} - -template <class T> -inline void LazyDict<T>::DetachFromDocument() { - mDict = 0; -} - -template <class T> -Ref<T> LazyDict<T>::Get(unsigned int i) { - return Ref<T>(mObjs, i); -} - -template <class T> -Ref<T> LazyDict<T>::Get(const char *id) { - id = T::TranslateId(mAsset, id); - - typename Dict::iterator it = mObjsById.find(id); - if (it != mObjsById.end()) { // already created? - return Ref<T>(mObjs, it->second); - } - - // read it from the JSON object - if (!mDict) { - throw DeadlyImportError("GLTF: Missing section \"", mDictId, "\""); - } - - Value::MemberIterator obj = mDict->FindMember(id); - if (obj == mDict->MemberEnd()) { - throw DeadlyImportError("GLTF: Missing object with id \"", id, "\" in \"", mDictId, "\""); - } - if (!obj->value.IsObject()) { - throw DeadlyImportError("GLTF: Object with id \"", id, "\" is not a JSON object"); - } - - // create an instance of the given type - T *inst = new T(); - inst->id = id; - ReadMember(obj->value, "name", inst->name); - inst->Read(obj->value, mAsset); - return Add(inst); -} - -template <class T> -Ref<T> LazyDict<T>::Add(T *obj) { - unsigned int idx = unsigned(mObjs.size()); - mObjs.push_back(obj); - mObjsById[obj->id] = idx; - mAsset.mUsedIds[obj->id] = true; - return Ref<T>(mObjs, idx); -} - -template <class T> -Ref<T> LazyDict<T>::Create(const char *id) { - Asset::IdMap::iterator it = mAsset.mUsedIds.find(id); - if (it != mAsset.mUsedIds.end()) { - throw DeadlyImportError("GLTF: two objects with the same ID exist"); - } - T *inst = new T(); - inst->id = id; - return Add(inst); -} - -// -// glTF dictionary objects methods -// - -inline Buffer::Buffer() : - byteLength(0), type(Type_arraybuffer), EncodedRegion_Current(nullptr), mIsSpecial(false) {} - -inline Buffer::~Buffer() { - for (SEncodedRegion *reg : EncodedRegion_List) - delete reg; -} - -inline const char *Buffer::TranslateId(Asset &r, const char *id) { - // Compatibility with old spec - if (r.extensionsUsed.KHR_binary_glTF && strcmp(id, "KHR_binary_glTF") == 0) { - return "binary_glTF"; - } - - return id; -} - -inline void Buffer::Read(Value &obj, Asset &r) { - size_t statedLength = MemberOrDefault<size_t>(obj, "byteLength", 0); - byteLength = statedLength; - - Value *it = FindString(obj, "uri"); - if (!it) { - if (statedLength > 0) { - throw DeadlyImportError("GLTF: buffer with non-zero length missing the \"uri\" attribute"); - } - return; - } - - const char *uri = it->GetString(); - - glTFCommon::Util::DataURI dataURI; - if (ParseDataURI(uri, it->GetStringLength(), dataURI)) { - if (dataURI.base64) { - uint8_t *data = 0; - this->byteLength = Base64::Decode(dataURI.data, dataURI.dataLength, data); - this->mData.reset(data, std::default_delete<uint8_t[]>()); - - if (statedLength > 0 && this->byteLength != statedLength) { - throw DeadlyImportError("GLTF: buffer \"", id, "\", expected ", ai_to_string(statedLength), - " bytes, but found ", ai_to_string(dataURI.dataLength)); - } - } else { // assume raw data - if (statedLength != dataURI.dataLength) { - throw DeadlyImportError("GLTF: buffer \"", id, "\", expected ", ai_to_string(statedLength), - " bytes, but found ", ai_to_string(dataURI.dataLength)); - } - - this->mData.reset(new uint8_t[dataURI.dataLength], std::default_delete<uint8_t[]>()); - memcpy(this->mData.get(), dataURI.data, dataURI.dataLength); - } - } else { // Local file - if (byteLength > 0) { - std::string dir = !r.mCurrentAssetDir.empty() ? ( - r.mCurrentAssetDir.back() == '/' ? - r.mCurrentAssetDir : - r.mCurrentAssetDir + '/') : - ""; - - IOStream *file = r.OpenFile(dir + uri, "rb"); - if (file) { - bool ok = LoadFromStream(*file, byteLength); - delete file; - - if (!ok) - throw DeadlyImportError("GLTF: error while reading referenced file \"", uri, "\""); - } else { - throw DeadlyImportError("GLTF: could not open referenced file \"", uri, "\""); - } - } - } -} - -inline bool Buffer::LoadFromStream(IOStream &stream, size_t length, size_t baseOffset) { - byteLength = length ? length : stream.FileSize(); - - if (baseOffset) { - stream.Seek(baseOffset, aiOrigin_SET); - } - - mData.reset(new uint8_t[byteLength], std::default_delete<uint8_t[]>()); - - if (stream.Read(mData.get(), byteLength, 1) != 1) { - return false; - } - return true; -} - -inline void Buffer::EncodedRegion_Mark(const size_t pOffset, const size_t pEncodedData_Length, uint8_t *pDecodedData, const size_t pDecodedData_Length, const std::string &pID) { - // Check pointer to data - if (pDecodedData == nullptr) throw DeadlyImportError("GLTF: for marking encoded region pointer to decoded data must be provided."); - - // Check offset - if (pOffset > byteLength) { - const uint8_t val_size = 32; - - char val[val_size]; - - ai_snprintf(val, val_size, AI_SIZEFMT, pOffset); - throw DeadlyImportError("GLTF: incorrect offset value (", val, ") for marking encoded region."); - } - - // Check length - if ((pOffset + pEncodedData_Length) > byteLength) { - const uint8_t val_size = 64; - - char val[val_size]; - - ai_snprintf(val, val_size, AI_SIZEFMT "/" AI_SIZEFMT, pOffset, pEncodedData_Length); - throw DeadlyImportError("GLTF: encoded region with offset/length (", val, ") is out of range."); - } - - // Add new region - EncodedRegion_List.push_back(new SEncodedRegion(pOffset, pEncodedData_Length, pDecodedData, pDecodedData_Length, pID)); - // And set new value for "byteLength" - byteLength += (pDecodedData_Length - pEncodedData_Length); -} - -inline void Buffer::EncodedRegion_SetCurrent(const std::string &pID) { - if ((EncodedRegion_Current != nullptr) && (EncodedRegion_Current->ID == pID)) return; - - for (SEncodedRegion *reg : EncodedRegion_List) { - if (reg->ID == pID) { - EncodedRegion_Current = reg; - - return; - } - } - - throw DeadlyImportError("GLTF: EncodedRegion with ID: \"", pID, "\" not found."); -} - -inline bool Buffer::ReplaceData(const size_t pBufferData_Offset, const size_t pBufferData_Count, const uint8_t *pReplace_Data, const size_t pReplace_Count) { - const size_t new_data_size = byteLength + pReplace_Count - pBufferData_Count; - - uint8_t *new_data; - - if ((pBufferData_Count == 0) || (pReplace_Count == 0) || (pReplace_Data == nullptr)) return false; - - new_data = new uint8_t[new_data_size]; - // Copy data which place before replacing part. - memcpy(new_data, mData.get(), pBufferData_Offset); - // Copy new data. - memcpy(&new_data[pBufferData_Offset], pReplace_Data, pReplace_Count); - // Copy data which place after replacing part. - memcpy(&new_data[pBufferData_Offset + pReplace_Count], &mData.get()[pBufferData_Offset + pBufferData_Count], pBufferData_Offset); - // Apply new data - mData.reset(new_data, std::default_delete<uint8_t[]>()); - byteLength = new_data_size; - - return true; -} - -inline size_t Buffer::AppendData(uint8_t *data, size_t length) { - size_t offset = this->byteLength; - Grow(length); - memcpy(mData.get() + offset, data, length); - return offset; -} - -inline void Buffer::Grow(size_t amount) { - if (amount <= 0) return; - if (capacity >= byteLength + amount) { - byteLength += amount; - return; - } - - // Shift operation is standard way to divide integer by 2, it doesn't cast it to float back and forth, also works for odd numbers, - // originally it would look like: static_cast<size_t>(capacity * 1.5f) - capacity = std::max(capacity + (capacity >> 1), byteLength + amount); - - uint8_t *b = new uint8_t[capacity]; - if (mData) memcpy(b, mData.get(), byteLength); - mData.reset(b, std::default_delete<uint8_t[]>()); - byteLength += amount; -} - -// -// struct BufferView -// - -inline void BufferView::Read(Value &obj, Asset &r) { - const char *bufferId = MemberOrDefault<const char *>(obj, "buffer", 0); - if (bufferId) { - buffer = r.buffers.Get(bufferId); - } - - byteOffset = MemberOrDefault(obj, "byteOffset", 0u); - byteLength = MemberOrDefault(obj, "byteLength", 0u); -} - -// -// struct Accessor -// - -inline void Accessor::Read(Value &obj, Asset &r) { - const char *bufferViewId = MemberOrDefault<const char *>(obj, "bufferView", 0); - if (bufferViewId) { - bufferView = r.bufferViews.Get(bufferViewId); - } - - byteOffset = MemberOrDefault(obj, "byteOffset", 0u); - byteStride = MemberOrDefault(obj, "byteStride", 0u); - componentType = MemberOrDefault(obj, "componentType", ComponentType_BYTE); - count = MemberOrDefault(obj, "count", 0u); - - const char *typestr; - type = ReadMember(obj, "type", typestr) ? AttribType::FromString(typestr) : AttribType::SCALAR; -} - -inline unsigned int Accessor::GetNumComponents() { - return AttribType::GetNumComponents(type); -} - -inline unsigned int Accessor::GetBytesPerComponent() { - return int(ComponentTypeSize(componentType)); -} - -inline unsigned int Accessor::GetElementSize() { - return GetNumComponents() * GetBytesPerComponent(); -} - -inline uint8_t *Accessor::GetPointer() { - if (!bufferView || !bufferView->buffer) return 0; - uint8_t *basePtr = bufferView->buffer->GetPointer(); - if (!basePtr) return 0; - - size_t offset = byteOffset + bufferView->byteOffset; - - // Check if region is encoded. - if (bufferView->buffer->EncodedRegion_Current != nullptr) { - const size_t begin = bufferView->buffer->EncodedRegion_Current->Offset; - const size_t end = begin + bufferView->buffer->EncodedRegion_Current->DecodedData_Length; - - if ((offset >= begin) && (offset < end)) - return &bufferView->buffer->EncodedRegion_Current->DecodedData[offset - begin]; - } - - return basePtr + offset; -} - -namespace { -inline void CopyData(size_t count, - const uint8_t *src, size_t src_stride, - uint8_t *dst, size_t dst_stride) { - if (src_stride == dst_stride) { - memcpy(dst, src, count * src_stride); - } else { - size_t sz = std::min(src_stride, dst_stride); - for (size_t i = 0; i < count; ++i) { - memcpy(dst, src, sz); - if (sz < dst_stride) { - memset(dst + sz, 0, dst_stride - sz); - } - src += src_stride; - dst += dst_stride; - } - } -} -} // namespace - -template <class T> -bool Accessor::ExtractData(T *&outData) { - uint8_t *data = GetPointer(); - if (!data) return false; - - const size_t elemSize = GetElementSize(); - const size_t totalSize = elemSize * count; - - const size_t stride = byteStride ? byteStride : elemSize; - - const size_t targetElemSize = sizeof(T); - ai_assert(elemSize <= targetElemSize); - - ai_assert(count * stride <= bufferView->byteLength); - - outData = new T[count]; - if (stride == elemSize && targetElemSize == elemSize) { - memcpy(outData, data, totalSize); - } else { - for (size_t i = 0; i < count; ++i) { - memcpy(outData + i, data + i * stride, elemSize); - } - } - - return true; -} - -inline void Accessor::WriteData(size_t cnt, const void *src_buffer, size_t src_stride) { - uint8_t *buffer_ptr = bufferView->buffer->GetPointer(); - size_t offset = byteOffset + bufferView->byteOffset; - - size_t dst_stride = GetNumComponents() * GetBytesPerComponent(); - - const uint8_t *src = reinterpret_cast<const uint8_t *>(src_buffer); - uint8_t *dst = reinterpret_cast<uint8_t *>(buffer_ptr + offset); - - ai_assert(dst + count * dst_stride <= buffer_ptr + bufferView->buffer->byteLength); - CopyData(cnt, src, src_stride, dst, dst_stride); -} - -inline Accessor::Indexer::Indexer(Accessor &acc) : - accessor(acc), data(acc.GetPointer()), elemSize(acc.GetElementSize()), stride(acc.byteStride ? acc.byteStride : elemSize) { -} - -//! Accesses the i-th value as defined by the accessor -template <class T> -T Accessor::Indexer::GetValue(int i) { - ai_assert(data); - ai_assert(i * stride < accessor.bufferView->byteLength); - T value = T(); - memcpy(&value, data + i * stride, elemSize); - //value >>= 8 * (sizeof(T) - elemSize); - return value; -} - -inline Image::Image() : - width(0), height(0), mDataLength(0) { -} - -inline void Image::Read(Value &obj, Asset &r) { - // Check for extensions first (to detect binary embedded data) - if (Value *extensions = FindObject(obj, "extensions")) { - if (r.extensionsUsed.KHR_binary_glTF) { - if (Value *ext = FindObject(*extensions, "KHR_binary_glTF")) { - - width = MemberOrDefault(*ext, "width", 0); - height = MemberOrDefault(*ext, "height", 0); - - ReadMember(*ext, "mimeType", mimeType); - - const char *bufferViewId; - if (ReadMember(*ext, "bufferView", bufferViewId)) { - Ref<BufferView> bv = r.bufferViews.Get(bufferViewId); - if (bv) { - mDataLength = bv->byteLength; - mData.reset(new uint8_t[mDataLength]); - memcpy(mData.get(), bv->buffer->GetPointer() + bv->byteOffset, mDataLength); - } - } - } - } - } - - if (!mDataLength) { - Value *curUri = FindString(obj, "uri"); - if (nullptr != curUri) { - const char *uristr = curUri->GetString(); - - glTFCommon::Util::DataURI dataURI; - if (ParseDataURI(uristr, curUri->GetStringLength(), dataURI)) { - mimeType = dataURI.mediaType; - if (dataURI.base64) { - uint8_t *ptr = nullptr; - mDataLength = Base64::Decode(dataURI.data, dataURI.dataLength, ptr); - mData.reset(ptr); - } - } else { - this->uri = uristr; - } - } - } -} - -inline uint8_t *Image::StealData() { - mDataLength = 0; - return mData.release(); -} - -inline void Image::SetData(uint8_t *data, size_t length, Asset &r) { - Ref<Buffer> b = r.GetBodyBuffer(); - if (b) { // binary file: append to body - std::string bvId = r.FindUniqueID(this->id, "imgdata"); - bufferView = r.bufferViews.Create(bvId); - - bufferView->buffer = b; - bufferView->byteLength = length; - bufferView->byteOffset = b->AppendData(data, length); - } else { // text file: will be stored as a data uri - uint8_t *temp = new uint8_t[length]; - memcpy(temp, data, length); - this->mData.reset(temp); - this->mDataLength = length; - } -} - -inline void Sampler::Read(Value &obj, Asset & /*r*/) { - SetDefaults(); - - ReadMember(obj, "magFilter", magFilter); - ReadMember(obj, "minFilter", minFilter); - ReadMember(obj, "wrapS", wrapS); - ReadMember(obj, "wrapT", wrapT); -} - -inline void Sampler::SetDefaults() { - magFilter = SamplerMagFilter_Linear; - minFilter = SamplerMinFilter_Linear; - wrapS = SamplerWrap_Repeat; - wrapT = SamplerWrap_Repeat; -} - -inline void Texture::Read(Value &obj, Asset &r) { - const char *sourcestr; - if (ReadMember(obj, "source", sourcestr)) { - source = r.images.Get(sourcestr); - } - - const char *samplerstr; - if (ReadMember(obj, "sampler", samplerstr)) { - sampler = r.samplers.Get(samplerstr); - } -} - -namespace { -inline void ReadMaterialProperty(Asset &r, Value &vals, const char *propName, TexProperty &out) { - if (Value *prop = FindMember(vals, propName)) { - if (prop->IsString()) { - out.texture = r.textures.Get(prop->GetString()); - } else { - ReadValue(*prop, out.color); - } - } -} -} // namespace - -inline void Material::Read(Value &material, Asset &r) { - SetDefaults(); - - if (Value *values = FindObject(material, "values")) { - ReadMaterialProperty(r, *values, "ambient", this->ambient); - ReadMaterialProperty(r, *values, "diffuse", this->diffuse); - ReadMaterialProperty(r, *values, "specular", this->specular); - - ReadMember(*values, "transparency", transparency); - ReadMember(*values, "shininess", shininess); - } - - if (Value *extensions = FindObject(material, "extensions")) { - if (r.extensionsUsed.KHR_materials_common) { - if (Value *ext = FindObject(*extensions, "KHR_materials_common")) { - if (Value *tnq = FindString(*ext, "technique")) { - const char *t = tnq->GetString(); - if (strcmp(t, "BLINN") == 0) - technique = Technique_BLINN; - else if (strcmp(t, "PHONG") == 0) - technique = Technique_PHONG; - else if (strcmp(t, "LAMBERT") == 0) - technique = Technique_LAMBERT; - else if (strcmp(t, "CONSTANT") == 0) - technique = Technique_CONSTANT; - } - - if (Value *values = FindObject(*ext, "values")) { - ReadMaterialProperty(r, *values, "ambient", this->ambient); - ReadMaterialProperty(r, *values, "diffuse", this->diffuse); - ReadMaterialProperty(r, *values, "specular", this->specular); - - ReadMember(*values, "doubleSided", doubleSided); - ReadMember(*values, "transparent", transparent); - ReadMember(*values, "transparency", transparency); - ReadMember(*values, "shininess", shininess); - } - } - } - } -} - -namespace { -void SetVector(vec4 &v, float x, float y, float z, float w) { - v[0] = x; - v[1] = y; - v[2] = z; - v[3] = w; -} -} // namespace - -inline void Material::SetDefaults() { - SetVector(ambient.color, 0, 0, 0, 1); - SetVector(diffuse.color, 0, 0, 0, 1); - SetVector(specular.color, 0, 0, 0, 1); - SetVector(emission.color, 0, 0, 0, 1); - - doubleSided = false; - transparent = false; - transparency = 1.0; - shininess = 0.0; - - technique = Technique_undefined; -} - -namespace { - -template <int N> -inline int Compare(const char *attr, const char (&str)[N]) { - return (strncmp(attr, str, N - 1) == 0) ? N - 1 : 0; -} - -inline bool GetAttribVector(Mesh::Primitive &p, const char *attr, Mesh::AccessorList *&v, int &pos) { - if ((pos = Compare(attr, "POSITION"))) { - v = &(p.attributes.position); - } else if ((pos = Compare(attr, "NORMAL"))) { - v = &(p.attributes.normal); - } else if ((pos = Compare(attr, "TEXCOORD"))) { - v = &(p.attributes.texcoord); - } else if ((pos = Compare(attr, "COLOR"))) { - v = &(p.attributes.color); - } else if ((pos = Compare(attr, "JOINT"))) { - v = &(p.attributes.joint); - } else if ((pos = Compare(attr, "JOINTMATRIX"))) { - v = &(p.attributes.jointmatrix); - } else if ((pos = Compare(attr, "WEIGHT"))) { - v = &(p.attributes.weight); - } else - return false; - return true; -} -} // namespace - -inline void Mesh::Read(Value &pJSON_Object, Asset &pAsset_Root) { - /****************** Mesh primitives ******************/ - Value *curPrimitives = FindArray(pJSON_Object, "primitives"); - if (nullptr != curPrimitives) { - this->primitives.resize(curPrimitives->Size()); - for (unsigned int i = 0; i < curPrimitives->Size(); ++i) { - Value &primitive = (*curPrimitives)[i]; - - Primitive &prim = this->primitives[i]; - prim.mode = MemberOrDefault(primitive, "mode", PrimitiveMode_TRIANGLES); - - if (Value *attrs = FindObject(primitive, "attributes")) { - for (Value::MemberIterator it = attrs->MemberBegin(); it != attrs->MemberEnd(); ++it) { - if (!it->value.IsString()) continue; - const char *attr = it->name.GetString(); - // Valid attribute semantics include POSITION, NORMAL, TEXCOORD, COLOR, JOINT, JOINTMATRIX, - // and WEIGHT.Attribute semantics can be of the form[semantic]_[set_index], e.g., TEXCOORD_0, TEXCOORD_1, etc. - - int undPos = 0; - Mesh::AccessorList *vec = 0; - if (GetAttribVector(prim, attr, vec, undPos)) { - size_t idx = (attr[undPos] == '_') ? atoi(attr + undPos + 1) : 0; - if ((*vec).size() <= idx) (*vec).resize(idx + 1); - (*vec)[idx] = pAsset_Root.accessors.Get(it->value.GetString()); - } - } - } - - if (Value *indices = FindString(primitive, "indices")) { - prim.indices = pAsset_Root.accessors.Get(indices->GetString()); - } - - if (Value *material = FindString(primitive, "material")) { - prim.material = pAsset_Root.materials.Get(material->GetString()); - } - } - } - - /****************** Mesh extensions ******************/ - Value *json_extensions = FindObject(pJSON_Object, "extensions"); - - if (json_extensions == nullptr) goto mr_skip_extensions; - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - for (Value::MemberIterator it_memb = json_extensions->MemberBegin(); it_memb != json_extensions->MemberEnd(); it_memb++) { - if (it_memb->name.GetString() == std::string("Open3DGC-compression")) { - // Search for compressed data. - // Compressed data contain description of part of "buffer" which is encoded. This part must be decoded and - // new data will replace old encoded part by request. In fact \"compressedData\" is kind of "accessor" structure. - Value *comp_data = FindObject(it_memb->value, "compressedData"); - - if (comp_data == nullptr) throw DeadlyImportError("GLTF: \"Open3DGC-compression\" must has \"compressedData\"."); - - ASSIMP_LOG_INFO("GLTF: Decompressing Open3DGC data."); - -/************** Read data from JSON-document **************/ -#define MESH_READ_COMPRESSEDDATA_MEMBER(pFieldName, pOut) \ - if (!ReadMember(*comp_data, pFieldName, pOut)) { \ - throw DeadlyImportError("GLTF: \"compressedData\" must has \"", pFieldName, "\"."); \ - } - - const char *mode_str; - const char *type_str; - ComponentType component_type; - SCompression_Open3DGC *ext_o3dgc = new SCompression_Open3DGC; - - MESH_READ_COMPRESSEDDATA_MEMBER("buffer", ext_o3dgc->Buffer); - MESH_READ_COMPRESSEDDATA_MEMBER("byteOffset", ext_o3dgc->Offset); - MESH_READ_COMPRESSEDDATA_MEMBER("componentType", component_type); - MESH_READ_COMPRESSEDDATA_MEMBER("type", type_str); - MESH_READ_COMPRESSEDDATA_MEMBER("count", ext_o3dgc->Count); - MESH_READ_COMPRESSEDDATA_MEMBER("mode", mode_str); - MESH_READ_COMPRESSEDDATA_MEMBER("indicesCount", ext_o3dgc->IndicesCount); - MESH_READ_COMPRESSEDDATA_MEMBER("verticesCount", ext_o3dgc->VerticesCount); - -#undef MESH_READ_COMPRESSEDDATA_MEMBER - - // Check some values - if (strcmp(type_str, "SCALAR")) throw DeadlyImportError("GLTF: only \"SCALAR\" type is supported for compressed data."); - if (component_type != ComponentType_UNSIGNED_BYTE) throw DeadlyImportError("GLTF: only \"UNSIGNED_BYTE\" component type is supported for compressed data."); - - // Set read/write data mode. - if (strcmp(mode_str, "binary") == 0) - ext_o3dgc->Binary = true; - else if (strcmp(mode_str, "ascii") == 0) - ext_o3dgc->Binary = false; - else - throw DeadlyImportError("GLTF: for compressed data supported modes is: \"ascii\", \"binary\". Not the: \"", mode_str, "\"."); - - /************************ Decoding ************************/ - Decode_O3DGC(*ext_o3dgc, pAsset_Root); - Extension.push_back(ext_o3dgc); // store info in mesh extensions list. - } // if(it_memb->name.GetString() == "Open3DGC-compression") - else { - throw DeadlyImportError("GLTF: Unknown mesh extension: \"", it_memb->name.GetString(), "\"."); - } - } // for(Value::MemberIterator it_memb = json_extensions->MemberBegin(); it_memb != json_extensions->MemberEnd(); json_extensions++) -#endif - -mr_skip_extensions: - - return; // After label some operators must be present. -} - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC -inline void Mesh::Decode_O3DGC(const SCompression_Open3DGC &pCompression_Open3DGC, Asset &pAsset_Root) { - typedef unsigned short IndicesType; ///< \sa glTFExporter::ExportMeshes. - - o3dgc::SC3DMCDecoder<IndicesType> decoder; - o3dgc::IndexedFaceSet<IndicesType> ifs; - o3dgc::BinaryStream bstream; - uint8_t *decoded_data; - size_t decoded_data_size = 0; - Ref<Buffer> buf = pAsset_Root.buffers.Get(pCompression_Open3DGC.Buffer); - - // Read data from buffer and place it in BinaryStream for decoder. - // Just "Count" because always is used type equivalent to uint8_t. - bstream.LoadFromBuffer(&buf->GetPointer()[pCompression_Open3DGC.Offset], static_cast<unsigned long>(pCompression_Open3DGC.Count)); - - // After decoding header we can get size of primitives. - if (decoder.DecodeHeader(ifs, bstream) != o3dgc::O3DGC_OK) throw DeadlyImportError("GLTF: can not decode Open3DGC header."); - - /****************** Get sizes of arrays and check sizes ******************/ - // Note. See "Limitations for meshes when using Open3DGC-compression". - - // Indices - size_t size_coordindex = ifs.GetNCoordIndex() * 3; // See float attributes note. - - if (primitives[0].indices->count != size_coordindex) - throw DeadlyImportError("GLTF: Open3DGC. Compressed indices count (", ai_to_string(size_coordindex), - ") not equal to uncompressed (", ai_to_string(primitives[0].indices->count), ")."); - - size_coordindex *= sizeof(IndicesType); - // Coordinates - size_t size_coord = ifs.GetNCoord(); // See float attributes note. - - if (primitives[0].attributes.position[0]->count != size_coord) - throw DeadlyImportError("GLTF: Open3DGC. Compressed positions count (", ai_to_string(size_coord), - ") not equal to uncompressed (", ai_to_string(primitives[0].attributes.position[0]->count), ")."); - - size_coord *= 3 * sizeof(float); - // Normals - size_t size_normal = ifs.GetNNormal(); // See float attributes note. - - if (primitives[0].attributes.normal[0]->count != size_normal) - throw DeadlyImportError("GLTF: Open3DGC. Compressed normals count (", ai_to_string(size_normal), - ") not equal to uncompressed (", ai_to_string(primitives[0].attributes.normal[0]->count), ")."); - - size_normal *= 3 * sizeof(float); - // Additional attributes. - std::vector<size_t> size_floatattr; - std::vector<size_t> size_intattr; - - size_floatattr.resize(ifs.GetNumFloatAttributes()); - size_intattr.resize(ifs.GetNumIntAttributes()); - - decoded_data_size = size_coordindex + size_coord + size_normal; - for (size_t idx = 0, idx_end = size_floatattr.size(), idx_texcoord = 0; idx < idx_end; idx++) { - // size = number_of_elements * components_per_element * size_of_component. - // Note. But as you can see above, at first we are use this variable in meaning "count". After checking count of objects... - size_t tval = ifs.GetNFloatAttribute(static_cast<unsigned long>(idx)); - - switch (ifs.GetFloatAttributeType(static_cast<unsigned long>(idx))) { - case o3dgc::O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD: - // Check situation when encoded data contain texture coordinates but primitive not. - if (idx_texcoord < primitives[0].attributes.texcoord.size()) { - if (primitives[0].attributes.texcoord[idx]->count != tval) - throw DeadlyImportError("GLTF: Open3DGC. Compressed texture coordinates count (", ai_to_string(tval), - ") not equal to uncompressed (", ai_to_string(primitives[0].attributes.texcoord[idx]->count), ")."); - - idx_texcoord++; - } else { - ifs.SetNFloatAttribute(static_cast<unsigned long>(idx), 0ul); // Disable decoding this attribute. - } - - break; - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of float attribute: ", ai_to_string(ifs.GetFloatAttributeType(static_cast<unsigned long>(idx)))); - } - - tval *= ifs.GetFloatAttributeDim(static_cast<unsigned long>(idx)) * sizeof(o3dgc::Real); // After checking count of objects we can get size of array. - size_floatattr[idx] = tval; - decoded_data_size += tval; - } - - for (size_t idx = 0, idx_end = size_intattr.size(); idx < idx_end; idx++) { - // size = number_of_elements * components_per_element * size_of_component. See float attributes note. - size_t tval = ifs.GetNIntAttribute(static_cast<unsigned long>(idx)); - switch (ifs.GetIntAttributeType(static_cast<unsigned long>(idx))) { - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_UNKOWN: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_JOINT_ID: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX_BUFFER_ID: - break; - - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of int attribute: ", ai_to_string(ifs.GetIntAttributeType(static_cast<unsigned long>(idx)))); - } - - tval *= ifs.GetIntAttributeDim(static_cast<unsigned long>(idx)) * sizeof(long); // See float attributes note. - size_intattr[idx] = tval; - decoded_data_size += tval; - } - - // Create array for decoded data. - decoded_data = new uint8_t[decoded_data_size]; - - /****************** Set right array regions for decoder ******************/ - - auto get_buf_offset = [](Ref<Accessor> &pAccessor) -> size_t { return pAccessor->byteOffset + pAccessor->bufferView->byteOffset; }; - - // Indices - ifs.SetCoordIndex((IndicesType *const)(decoded_data + get_buf_offset(primitives[0].indices))); - // Coordinates - ifs.SetCoord((o3dgc::Real *const)(decoded_data + get_buf_offset(primitives[0].attributes.position[0]))); - // Normals - if (size_normal) { - ifs.SetNormal((o3dgc::Real *const)(decoded_data + get_buf_offset(primitives[0].attributes.normal[0]))); - } - - for (size_t idx = 0, idx_end = size_floatattr.size(), idx_texcoord = 0; idx < idx_end; idx++) { - switch (ifs.GetFloatAttributeType(static_cast<unsigned long>(idx))) { - case o3dgc::O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD: - if (idx_texcoord < primitives[0].attributes.texcoord.size()) { - // See above about absent attributes. - ifs.SetFloatAttribute(static_cast<unsigned long>(idx), (o3dgc::Real *const)(decoded_data + get_buf_offset(primitives[0].attributes.texcoord[idx]))); - idx_texcoord++; - } - - break; - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of float attribute: ", ai_to_string(ifs.GetFloatAttributeType(static_cast<unsigned long>(idx)))); - } - } - - for (size_t idx = 0, idx_end = size_intattr.size(); idx < idx_end; idx++) { - switch (ifs.GetIntAttributeType(static_cast<unsigned int>(idx))) { - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_UNKOWN: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_JOINT_ID: - case o3dgc::O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX_BUFFER_ID: - break; - - // ifs.SetIntAttribute(idx, (long* const)(decoded_data + get_buf_offset(primitives[0].attributes.joint))); - default: - throw DeadlyImportError("GLTF: Open3DGC. Unsupported type of int attribute: ", ai_to_string(ifs.GetIntAttributeType(static_cast<unsigned long>(idx)))); - } - } - - // - // Decode data - // - if (decoder.DecodePayload(ifs, bstream) != o3dgc::O3DGC_OK) { - throw DeadlyImportError("GLTF: can not decode Open3DGC data."); - } - - // Set encoded region for "buffer". - buf->EncodedRegion_Mark(pCompression_Open3DGC.Offset, pCompression_Open3DGC.Count, decoded_data, decoded_data_size, id); - // No. Do not delete "output_data". After calling "EncodedRegion_Mark" bufferView is owner of "output_data". - // "delete [] output_data;" -} -#endif - -inline void Camera::Read(Value &obj, Asset & /*r*/) { - type = MemberOrDefault(obj, "type", Camera::Perspective); - - const char *subobjId = (type == Camera::Orthographic) ? "orthographic" : "perspective"; - - Value *it = FindObject(obj, subobjId); - if (!it) throw DeadlyImportError("GLTF: Camera missing its parameters"); - - if (type == Camera::Perspective) { - perspective.aspectRatio = MemberOrDefault(*it, "aspectRatio", 0.f); - perspective.yfov = MemberOrDefault(*it, "yfov", 3.1415f / 2.f); - perspective.zfar = MemberOrDefault(*it, "zfar", 100.f); - perspective.znear = MemberOrDefault(*it, "znear", 0.01f); - } else { - ortographic.xmag = MemberOrDefault(*it, "xmag", 1.f); - ortographic.ymag = MemberOrDefault(*it, "ymag", 1.f); - ortographic.zfar = MemberOrDefault(*it, "zfar", 100.f); - ortographic.znear = MemberOrDefault(*it, "znear", 0.01f); - } -} - -inline void Light::Read(Value &obj, Asset & /*r*/) { - SetDefaults(); - - Value *curType = FindString(obj, "type"); - if (nullptr != curType) { - const char *t = curType->GetString(); - if (strcmp(t, "ambient") == 0) - this->type = Type_ambient; - else if (strcmp(t, "directional") == 0) - this->type = Type_directional; - else if (strcmp(t, "point") == 0) - this->type = Type_point; - else if (strcmp(t, "spot") == 0) - this->type = Type_spot; - - if (this->type != Type_undefined) { - if (Value *vals = FindString(obj, t)) { - ReadMember(*vals, "color", color); - - ReadMember(*vals, "constantAttenuation", constantAttenuation); - ReadMember(*vals, "linearAttenuation", linearAttenuation); - ReadMember(*vals, "quadraticAttenuation", quadraticAttenuation); - ReadMember(*vals, "distance", distance); - - ReadMember(*vals, "falloffAngle", falloffAngle); - ReadMember(*vals, "falloffExponent", falloffExponent); - } - } - } -} - -inline void Light::SetDefaults() { -#ifndef M_PI - const float M_PI = 3.14159265358979323846f; -#endif - - type = Type_undefined; - - SetVector(color, 0.f, 0.f, 0.f, 1.f); - - constantAttenuation = 0.f; - linearAttenuation = 1.f; - quadraticAttenuation = 1.f; - distance = 0.f; - - falloffAngle = static_cast<float>(M_PI / 2.f); - falloffExponent = 0.f; -} - -inline void Node::Read(Value &obj, Asset &r) { - if (name.empty()) { - name = id; - } - - Value *curChildren = FindArray(obj, "children"); - if (nullptr != curChildren) { - this->children.reserve(curChildren->Size()); - for (unsigned int i = 0; i < curChildren->Size(); ++i) { - Value &child = (*curChildren)[i]; - if (child.IsString()) { - // get/create the child node - Ref<Node> chn = r.nodes.Get(child.GetString()); - if (chn) this->children.push_back(chn); - } - } - } - - Value *curMatrix = FindArray(obj, "matrix"); - if (nullptr != curMatrix) { - ReadValue(*curMatrix, this->matrix); - } else { - ReadMember(obj, "translation", translation); - ReadMember(obj, "scale", scale); - ReadMember(obj, "rotation", rotation); - } - - Value *curMeshes = FindArray(obj, "meshes"); - if (nullptr != curMeshes) { - unsigned int numMeshes = (unsigned int)curMeshes->Size(); - - std::vector<unsigned int> meshList; - - this->meshes.reserve(numMeshes); - for (unsigned i = 0; i < numMeshes; ++i) { - if ((*curMeshes)[i].IsString()) { - Ref<Mesh> mesh = r.meshes.Get((*curMeshes)[i].GetString()); - if (mesh) { - this->meshes.push_back(mesh); - } - } - } - } - - Value *curCamera = FindString(obj, "camera"); - if (nullptr != curCamera) { - this->camera = r.cameras.Get(curCamera->GetString()); - if (this->camera) { - this->camera->id = this->id; - } - } - - // TODO load "skeletons", "skin", "jointName" - - if (Value *extensions = FindObject(obj, "extensions")) { - if (r.extensionsUsed.KHR_materials_common) { - - if (Value *ext = FindObject(*extensions, "KHR_materials_common")) { - Value *curLight = FindString(*ext, "light"); - if (nullptr != curLight) { - this->light = r.lights.Get(curLight->GetString()); - } - } - } - } -} - -inline void Scene::Read(Value &obj, Asset &r) { - if (Value *array = FindArray(obj, "nodes")) { - for (unsigned int i = 0; i < array->Size(); ++i) { - if (!(*array)[i].IsString()) continue; - Ref<Node> node = r.nodes.Get((*array)[i].GetString()); - if (node) - this->nodes.push_back(node); - } - } -} - -inline void AssetMetadata::Read(Document &doc) { - // read the version, etc. - if (Value *obj = FindObject(doc, "asset")) { - ReadMember(*obj, "copyright", copyright); - ReadMember(*obj, "generator", generator); - - premultipliedAlpha = MemberOrDefault(*obj, "premultipliedAlpha", false); - - if (Value *versionString = FindString(*obj, "version")) { - version = versionString->GetString(); - } else if (Value *versionNumber = FindNumber(*obj, "version")) { - char buf[4]; - - ai_snprintf(buf, 4, "%.1f", versionNumber->GetDouble()); - - version = buf; - } - - Value *curProfile = FindObject(*obj, "profile"); - if (nullptr != curProfile) { - ReadMember(*curProfile, "api", this->profile.api); - ReadMember(*curProfile, "version", this->profile.version); - } - } - - if (version.empty() || version[0] != '1') { - throw DeadlyImportError("GLTF: Unsupported glTF version: ", version); - } -} - -// -// Asset methods implementation -// - -inline void Asset::ReadBinaryHeader(IOStream &stream) { - GLB_Header header; - if (stream.Read(&header, sizeof(header), 1) != 1) { - throw DeadlyImportError("GLTF: Unable to read the file header"); - } - - if (strncmp((char *)header.magic, AI_GLB_MAGIC_NUMBER, sizeof(header.magic)) != 0) { - throw DeadlyImportError("GLTF: Invalid binary glTF file"); - } - - AI_SWAP4(header.version); - asset.version = ai_to_string(header.version); - if (header.version != 1) { - throw DeadlyImportError("GLTF: Unsupported binary glTF version"); - } - - AI_SWAP4(header.sceneFormat); - if (header.sceneFormat != SceneFormat_JSON) { - throw DeadlyImportError("GLTF: Unsupported binary glTF scene format"); - } - - AI_SWAP4(header.length); - AI_SWAP4(header.sceneLength); - - static_assert(std::numeric_limits<uint32_t>::max() <= std::numeric_limits<size_t>::max(), "size_t must be at least 32bits"); - mSceneLength = static_cast<size_t>(header.sceneLength); // Can't be larger than 4GB (max. uint32_t) - - mBodyOffset = sizeof(header) + mSceneLength; - mBodyOffset = (mBodyOffset + 3) & ~3; // Round up to next multiple of 4 - - mBodyLength = header.length - mBodyOffset; -} - -inline void Asset::Load(const std::string &pFile, bool isBinary) { - mCurrentAssetDir.clear(); - - /*int pos = std::max(int(pFile.rfind('/')), int(pFile.rfind('\\'))); - if (pos != int(std::string::npos)) mCurrentAssetDir = pFile.substr(0, pos + 1);*/ - if (0 != strncmp(pFile.c_str(), AI_MEMORYIO_MAGIC_FILENAME, AI_MEMORYIO_MAGIC_FILENAME_LENGTH)) { - mCurrentAssetDir = getCurrentAssetDir(pFile); - } - - shared_ptr<IOStream> stream(OpenFile(pFile.c_str(), "rb", true)); - if (!stream) { - throw DeadlyImportError("GLTF: Could not open file for reading"); - } - - // is binary? then read the header - if (isBinary) { - SetAsBinary(); // also creates the body buffer - ReadBinaryHeader(*stream); - } else { - mSceneLength = stream->FileSize(); - mBodyLength = 0; - } - - // Smallest legal JSON file is "{}" Smallest loadable glTF file is larger than that but catch it later - if (mSceneLength < 2) { - throw DeadlyImportError("GLTF: No JSON file contents"); - } - - // Binary format only supports up to 4GB of JSON so limit it there to avoid extreme memory allocation - if (mSceneLength >= std::numeric_limits<uint32_t>::max()) { - throw DeadlyImportError("GLTF: JSON size greater than 4GB"); - } - - // read the scene data, ensure null termination - std::vector<char> sceneData(mSceneLength + 1); - sceneData[mSceneLength] = '\0'; - - if (stream->Read(&sceneData[0], 1, mSceneLength) != mSceneLength) { - throw DeadlyImportError("GLTF: Could not read the file contents"); - } - - // parse the JSON document - - Document doc; - doc.ParseInsitu(&sceneData[0]); - - if (doc.HasParseError()) { - char buffer[32]; - ai_snprintf(buffer, 32, "%d", static_cast<int>(doc.GetErrorOffset())); - throw DeadlyImportError("GLTF: JSON parse error, offset ", buffer, ": ", GetParseError_En(doc.GetParseError())); - } - - if (!doc.IsObject()) { - throw DeadlyImportError("GLTF: JSON document root must be a JSON object"); - } - - // Fill the buffer instance for the current file embedded contents - if (mBodyLength > 0) { - if (!mBodyBuffer->LoadFromStream(*stream, mBodyLength, mBodyOffset)) { - throw DeadlyImportError("GLTF: Unable to read gltf file"); - } - } - - // Load the metadata - asset.Read(doc); - ReadExtensionsUsed(doc); - - // Prepare the dictionaries - for (size_t i = 0; i < mDicts.size(); ++i) { - mDicts[i]->AttachToDocument(doc); - } - - // Read the "scene" property, which specifies which scene to load - // and recursively load everything referenced by it - Value *curScene = FindString(doc, "scene"); - if (nullptr != curScene) { - this->scene = scenes.Get(curScene->GetString()); - } - - // Clean up - for (size_t i = 0; i < mDicts.size(); ++i) { - mDicts[i]->DetachFromDocument(); - } -} - -inline void Asset::SetAsBinary() { - if (!extensionsUsed.KHR_binary_glTF) { - extensionsUsed.KHR_binary_glTF = true; - mBodyBuffer = buffers.Create("binary_glTF"); - mBodyBuffer->MarkAsSpecial(); - } -} - -inline void Asset::ReadExtensionsUsed(Document &doc) { - Value *extsUsed = FindArray(doc, "extensionsUsed"); - if (!extsUsed) return; - - std::gltf_unordered_map<std::string, bool> exts; - - for (unsigned int i = 0; i < extsUsed->Size(); ++i) { - if ((*extsUsed)[i].IsString()) { - exts[(*extsUsed)[i].GetString()] = true; - } - } - - CHECK_EXT(KHR_binary_glTF); - CHECK_EXT(KHR_materials_common); - -#undef CHECK_EXT -} - -inline IOStream *Asset::OpenFile(const std::string &path, const char *mode, bool absolute) { -#ifdef ASSIMP_API - (void)absolute; - return mIOSystem->Open(path, mode); -#else - if (path.size() < 2) return 0; - if (!absolute && path[1] != ':' && path[0] != '/') { // relative? - path = mCurrentAssetDir + path; - } - FILE *f = fopen(path.c_str(), mode); - return f ? new IOStream(f) : 0; -#endif -} - -inline std::string Asset::FindUniqueID(const std::string &str, const char *suffix) { - std::string id = str; - - if (!id.empty()) { - if (mUsedIds.find(id) == mUsedIds.end()) - return id; - - id += "_"; - } - - id += suffix; - - Asset::IdMap::iterator it = mUsedIds.find(id); - if (it == mUsedIds.end()) - return id; - - char buffer[1024]; - int offset = ai_snprintf(buffer, sizeof(buffer), "%s_", id.c_str()); - for (int i = 0; it != mUsedIds.end(); ++i) { - ai_snprintf(buffer + offset, sizeof(buffer) - offset, "%d", i); - id = buffer; - it = mUsedIds.find(id); - } - - return id; -} - -#if _MSC_VER -#pragma warning(pop) -#endif // _MSC_VER - -} // namespace glTF diff --git a/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h b/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h deleted file mode 100644 index 6dbc424..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h +++ /dev/null @@ -1,96 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -/** @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 - -#if !defined(ASSIMP_BUILD_NO_GLTF_IMPORTER) && !defined(ASSIMP_BUILD_NO_GLTF1_IMPORTER) - -#include "glTFAsset.h" - -namespace glTF -{ - -using rapidjson::MemoryPoolAllocator; - -class AssetWriter -{ - template<class T> - friend void WriteLazyDict(LazyDict<T>& d, AssetWriter& w); - -private: - - void WriteBinaryData(IOStream* outfile, size_t sceneLength); - - void WriteMetadata(); - void WriteExtensionsUsed(); - - template<class T> - void WriteObjects(LazyDict<T>& 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/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.inl b/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.inl deleted file mode 100644 index a1265fb..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.inl +++ /dev/null @@ -1,716 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#include <assimp/Base64.hpp> - -#include <rapidjson/stringbuffer.h> -#include <rapidjson/writer.h> -#include <rapidjson/prettywriter.h> - -#if _MSC_VER -# pragma warning(push) -# pragma warning( disable : 4706) -#endif // _MSC_VER - -namespace glTF { - - using rapidjson::StringBuffer; - using rapidjson::PrettyWriter; - using rapidjson::Writer; - using rapidjson::StringRef; - using rapidjson::StringRef; - - namespace { - - template<typename T, size_t N> - inline - Value& MakeValue(Value& val, T(&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; - } - - template<typename T> - inline - Value& MakeValue(Value& val, const std::vector<T> & r, MemoryPoolAllocator<>& al) { - val.SetArray(); - val.Reserve(static_cast<rapidjson::SizeType>(r.size()), al); - for (unsigned int i = 0; i < r.size(); ++i) { - val.PushBack(r[i], al); - } - return val; - } - - template<typename C, typename T> - inline Value& MakeValueCast(Value& val, const std::vector<T> & r, MemoryPoolAllocator<>& al) { - val.SetArray(); - val.Reserve(static_cast<rapidjson::SizeType>(r.size()), al); - for (unsigned int i = 0; i < r.size(); ++i) { - val.PushBack(static_cast<C>(r[i]), al); - } - return val; - } - - template<class T> - inline void AddRefsVector(Value& obj, const char* fieldId, std::vector< Ref<T> >& 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; - if (a.componentType == ComponentType_FLOAT) { - obj.AddMember("max", MakeValue(vTmpMax, a.max, w.mAl), w.mAl); - obj.AddMember("min", MakeValue(vTmpMin, a.min, w.mAl), w.mAl); - } else { - obj.AddMember("max", MakeValueCast<int64_t>(vTmpMax, a.max, w.mAl), w.mAl); - obj.AddMember("min", MakeValueCast<int64_t>(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<uint64_t>(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<uint64_t>(bv.byteOffset), w.mAl); - obj.AddMember("byteLength", static_cast<uint64_t>(bv.byteLength), w.mAl); - if (bv.target != BufferViewTarget_NONE) { - 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,"; - Base64::Encode(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(); -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - for(Mesh::SExtension* ptr_ext : m.Extension) - { - switch(ptr_ext->Type) - { - 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", static_cast<uint64_t>(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", static_cast<uint64_t>(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", static_cast<uint64_t>(ptr_ext_comp->IndicesCount), w.mAl); - json_comp_data.AddMember("verticesCount", static_cast<uint64_t>(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; - 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) -#endif - - // 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<IOStream> jsonOutFile(mAsset.OpenFile(path, "wt", true)); - - if (jsonOutFile == 0) { - throw DeadlyExportError("Could not open output file: " + std::string(path)); - } - - StringBuffer docBuffer; - - PrettyWriter<StringBuffer> writer(docBuffer); - if (!mDoc.Accept(writer)) { - throw DeadlyExportError("Failed to write scene data!"); - } - - 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<Buffer> b = mAsset.buffers.Get(i); - - std::string binPath = b->GetURI(); - - std::unique_ptr<IOStream> 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<IOStream> 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<StringBuffer> writer(docBuffer); - if (!mDoc.Accept(writer)) { - throw DeadlyExportError("Failed to write scene data!"); - } - - 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<Buffer> 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(); - asset.AddMember("version", Value(mAsset.asset.version, mAl).Move(), mAl); - asset.AddMember("generator", Value(mAsset.asset.generator, mAl).Move(), mAl); - if (!mAsset.asset.copyright.empty()) - asset.AddMember("copyright", Value(mAsset.asset.copyright, 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<class T> - void AssetWriter::WriteObjects(LazyDict<T>& 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<class T> - void WriteLazyDict(LazyDict<T>& d, AssetWriter& w) - { - w.WriteObjects(d); - } - -#if _MSC_VER -# pragma warning(pop) -#endif // _WIN32 - -} diff --git a/libs/assimp/code/AssetLib/glTF/glTFCommon.cpp b/libs/assimp/code/AssetLib/glTF/glTFCommon.cpp deleted file mode 100644 index fea680c..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFCommon.cpp +++ /dev/null @@ -1,117 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ -#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER - -#include "AssetLib/glTF/glTFCommon.h" - -namespace glTFCommon { - -using namespace glTFCommon::Util; - -namespace Util { - -bool ParseDataURI(const char *const_uri, size_t uriLen, DataURI &out) { - if (nullptr == 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<char *>(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 (;i < uriLen && uri[i] != ';' && uri[i] != ','; ++i) { - // nothing to do! - } - } - while (i < uriLen && uri[i] == ';') { - uri[i++] = '\0'; - for (j = i; i < uriLen && uri[i] != ';' && uri[i] != ','; ++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; -} - -} // namespace Util -} // namespace glTFCommon - -#endif diff --git a/libs/assimp/code/AssetLib/glTF/glTFCommon.h b/libs/assimp/code/AssetLib/glTF/glTFCommon.h deleted file mode 100644 index edc3c7e..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFCommon.h +++ /dev/null @@ -1,520 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ -#ifndef AI_GLFTCOMMON_H_INC -#define AI_GLFTCOMMON_H_INC - -#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER - -#include <assimp/Exceptional.h> - -#include <algorithm> -#include <list> -#include <map> -#include <stdexcept> -#include <string> -#include <vector> - -#include <rapidjson/document.h> -#include <rapidjson/error/en.h> -#include <rapidjson/rapidjson.h> - -// clang-format off - -#ifdef ASSIMP_API -# include <assimp/ByteSwapper.h> -# include <assimp/DefaultIOSystem.h> -# include <memory> -#else -# include <memory> -# 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 <unordered_map> -# if defined(_MSC_VER) && _MSC_VER <= 1600 -# define gltf_unordered_map tr1::unordered_map -# else -# define gltf_unordered_map unordered_map -# endif -#endif -// clang-format on - - -namespace glTFCommon { - -using rapidjson::Document; -using rapidjson::Value; - -#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 { -public: - IOStream(FILE *file) : - f(file) {} - ~IOStream() { - fclose(f); - } - - 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)); - } - -private: - FILE *f; -}; -#endif - -// Vec/matrix types, as raw float arrays -typedef float(vec3)[3]; -typedef float(vec4)[4]; -typedef float(mat4)[16]; - -inline void CopyValue(const glTFCommon::vec3 &v, aiColor4D &out) { - out.r = v[0]; - out.g = v[1]; - out.b = v[2]; - out.a = 1.0; -} - -inline void CopyValue(const glTFCommon::vec4 &v, aiColor4D &out) { - out.r = v[0]; - out.g = v[1]; - out.b = v[2]; - out.a = v[3]; -} - -inline void CopyValue(const glTFCommon::vec4 &v, aiColor3D &out) { - out.r = v[0]; - out.g = v[1]; - out.b = v[2]; -} - -inline void CopyValue(const glTFCommon::vec3 &v, aiColor3D &out) { - out.r = v[0]; - out.g = v[1]; - out.b = v[2]; -} - -inline void CopyValue(const glTFCommon::vec3 &v, aiVector3D &out) { - out.x = v[0]; - out.y = v[1]; - out.z = v[2]; -} - -inline void CopyValue(const glTFCommon::vec4 &v, aiQuaternion &out) { - out.x = v[0]; - out.y = v[1]; - out.z = v[2]; - out.w = v[3]; -} - -inline void CopyValue(const glTFCommon::mat4 &v, aiMatrix4x4 &o) { - o.a1 = v[0]; - o.b1 = v[1]; - o.c1 = v[2]; - o.d1 = v[3]; - o.a2 = v[4]; - o.b2 = v[5]; - o.c2 = v[6]; - o.d2 = v[7]; - o.a3 = v[8]; - o.b3 = v[9]; - o.c3 = v[10]; - o.d3 = v[11]; - o.a4 = v[12]; - o.b4 = v[13]; - o.c4 = v[14]; - o.d4 = v[15]; -} - -#if _MSC_VER -# pragma warning(push) -# pragma warning(disable : 4310) -#endif // _MSC_VER - -inline std::string getCurrentAssetDir(const std::string &pFile) { - int pos = std::max(int(pFile.rfind('/')), int(pFile.rfind('\\'))); - if (pos == int(std::string::npos)) { - return std::string(); - } - - return pFile.substr(0, pos + 1); -} -#if _MSC_VER -# pragma warning(pop) -#endif // _MSC_VER - -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 -bool ParseDataURI(const char *const_uri, size_t uriLen, DataURI &out); - -} // namespace Util - -#define CHECK_EXT(EXT) \ - if (exts.find(#EXT) != exts.end()) extensionsUsed.EXT = true; - -//! Helper struct to represent values that might not be present -template <class T> -struct Nullable { - T value; - bool isPresent; - - Nullable() : - isPresent(false) {} - Nullable(T &val) : - value(val), - isPresent(true) {} -}; - -//! A reference to one top-level object, which is valid -//! until the Asset instance is destroyed -template <class T> -class Ref { - std::vector<T *> *vector; - unsigned int index; - -public: - Ref() : - vector(0), - index(0) {} - Ref(std::vector<T *> &vec, unsigned int idx) : - vector(&vec), - index(idx) {} - - inline unsigned int GetIndex() const { return index; } - - operator bool() const { return vector != nullptr && index < vector->size(); } - - T *operator->() { return (*vector)[index]; } - - T &operator*() { return *((*vector)[index]); } -}; - -// -// JSON Value reading helpers -// - -template <class T> -struct ReadHelper { - static bool Read(Value &val, T &out) { - return val.IsInt() ? out = static_cast<T>(val.GetInt()), true : false; - } -}; - -template <> -struct ReadHelper<bool> { - static bool Read(Value &val, bool &out) { - return val.IsBool() ? out = val.GetBool(), true : false; - } -}; - -template <> -struct ReadHelper<float> { - static bool Read(Value &val, float &out) { - return val.IsNumber() ? out = static_cast<float>(val.GetDouble()), true : false; - } -}; - -template <unsigned int N> -struct ReadHelper<float[N]> { - 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<float>(val[i].GetDouble()); - } - return true; - } -}; - -template <> -struct ReadHelper<const char *> { - static bool Read(Value &val, const char *&out) { - return val.IsString() ? (out = val.GetString(), true) : false; - } -}; - -template <> -struct ReadHelper<std::string> { - static bool Read(Value &val, std::string &out) { - return val.IsString() ? (out = std::string(val.GetString(), val.GetStringLength()), true) : false; - } -}; - -template <class T> -struct ReadHelper<Nullable<T>> { - static bool Read(Value &val, Nullable<T> &out) { - return out.isPresent = ReadHelper<T>::Read(val, out.value); - } -}; - -template <> -struct ReadHelper<uint64_t> { - static bool Read(Value &val, uint64_t &out) { - return val.IsUint64() ? out = val.GetUint64(), true : false; - } -}; - -template <> -struct ReadHelper<int64_t> { - static bool Read(Value &val, int64_t &out) { - return val.IsInt64() ? out = val.GetInt64(), true : false; - } -}; - -template <class T> -inline static bool ReadValue(Value &val, T &out) { - return ReadHelper<T>::Read(val, out); -} - -template <class T> -inline static bool ReadMember(Value &obj, const char *id, T &out) { - if (!obj.IsObject()) { - return false; - } - Value::MemberIterator it = obj.FindMember(id); - if (it != obj.MemberEnd()) { - return ReadHelper<T>::Read(it->value, out); - } - return false; -} - -template <class T> -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) { - if (!val.IsObject()) { - return nullptr; - } - Value::MemberIterator it = val.FindMember(id); - return (it != val.MemberEnd()) ? &it->value : nullptr; -} - -template <int N> -inline void throwUnexpectedTypeError(const char (&expectedTypeName)[N], const char *memberId, const char *context, const char *extraContext) { - std::string fullContext = context; - if (extraContext && (strlen(extraContext) > 0)) { - fullContext = fullContext + " (" + extraContext + ")"; - } - throw DeadlyImportError("Member \"", memberId, "\" was not of type \"", expectedTypeName, "\" when reading ", fullContext); -} - -// Look-up functions with type checks. Context and extra context help the user identify the problem if there's an error. - -inline Value *FindStringInContext(Value &val, const char *memberId, const char *context, const char *extraContext = nullptr) { - if (!val.IsObject()) { - return nullptr; - } - Value::MemberIterator it = val.FindMember(memberId); - if (it == val.MemberEnd()) { - return nullptr; - } - if (!it->value.IsString()) { - throwUnexpectedTypeError("string", memberId, context, extraContext); - } - return &it->value; -} - -inline Value *FindNumberInContext(Value &val, const char *memberId, const char *context, const char *extraContext = nullptr) { - if (!val.IsObject()) { - return nullptr; - } - Value::MemberIterator it = val.FindMember(memberId); - if (it == val.MemberEnd()) { - return nullptr; - } - if (!it->value.IsNumber()) { - throwUnexpectedTypeError("number", memberId, context, extraContext); - } - return &it->value; -} - -inline Value *FindUIntInContext(Value &val, const char *memberId, const char *context, const char *extraContext = nullptr) { - if (!val.IsObject()) { - return nullptr; - } - Value::MemberIterator it = val.FindMember(memberId); - if (it == val.MemberEnd()) { - return nullptr; - } - if (!it->value.IsUint()) { - throwUnexpectedTypeError("uint", memberId, context, extraContext); - } - return &it->value; -} - -inline Value *FindArrayInContext(Value &val, const char *memberId, const char *context, const char *extraContext = nullptr) { - if (!val.IsObject()) { - return nullptr; - } - Value::MemberIterator it = val.FindMember(memberId); - if (it == val.MemberEnd()) { - return nullptr; - } - if (!it->value.IsArray()) { - throwUnexpectedTypeError("array", memberId, context, extraContext); - } - return &it->value; -} - -inline Value *FindObjectInContext(Value &val, const char *memberId, const char *context, const char *extraContext = nullptr) { - if (!val.IsObject()) { - return nullptr; - } - Value::MemberIterator it = val.FindMember(memberId); - if (it == val.MemberEnd()) { - return nullptr; - } - if (!it->value.IsObject()) { - throwUnexpectedTypeError("object", memberId, context, extraContext); - } - return &it->value; -} - -inline Value *FindExtensionInContext(Value &val, const char *extensionId, const char *context, const char *extraContext = nullptr) { - if (Value *extensionList = FindObjectInContext(val, "extensions", context, extraContext)) { - if (Value *extension = FindObjectInContext(*extensionList, extensionId, context, extraContext)) { - return extension; - } - } - return nullptr; -} - -// Overloads when the value is the document. - -inline Value *FindString(Document &doc, const char *memberId) { - return FindStringInContext(doc, memberId, "the document"); -} - -inline Value *FindNumber(Document &doc, const char *memberId) { - return FindNumberInContext(doc, memberId, "the document"); -} - -inline Value *FindUInt(Document &doc, const char *memberId) { - return FindUIntInContext(doc, memberId, "the document"); -} - -inline Value *FindArray(Document &val, const char *memberId) { - return FindArrayInContext(val, memberId, "the document"); -} - -inline Value *FindObject(Document &doc, const char *memberId) { - return FindObjectInContext(doc, memberId, "the document"); -} - -inline Value *FindExtension(Value &val, const char *extensionId) { - return FindExtensionInContext(val, extensionId, "the document"); -} - -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 *FindObject(Value &val, const char *id) { - Value::MemberIterator it = val.FindMember(id); - return (it != val.MemberEnd() && it->value.IsObject()) ? &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 *FindNumber(Value &val, const char *id) { - Value::MemberIterator it = val.FindMember(id); - return (it != val.MemberEnd() && it->value.IsNumber()) ? &it->value : 0; -} - -} // namespace glTFCommon - -#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER - -#endif // AI_GLFTCOMMON_H_INC diff --git a/libs/assimp/code/AssetLib/glTF/glTFExporter.cpp b/libs/assimp/code/AssetLib/glTF/glTFExporter.cpp deleted file mode 100644 index afcfb12..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFExporter.cpp +++ /dev/null @@ -1,1065 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ -#ifndef ASSIMP_BUILD_NO_EXPORT -#ifndef ASSIMP_BUILD_NO_GLTF_EXPORTER - -#include "AssetLib/glTF/glTFExporter.h" -#include "AssetLib/glTF/glTFAssetWriter.h" -#include "PostProcessing/SplitLargeMeshes.h" - -#include <assimp/commonMetaData.h> -#include <assimp/Exceptional.h> -#include <assimp/StringComparison.h> -#include <assimp/ByteSwapper.h> -#include <assimp/SceneCombiner.h> -#include <assimp/version.h> -#include <assimp/IOSystem.hpp> -#include <assimp/Exporter.hpp> -#include <assimp/material.h> -#include <assimp/scene.h> - -// Header files, standard library. -#include <memory> -#include <limits> -#include <inttypes.h> - -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - // Header files, Open3DGC. -# include <Open3DGC/o3dgcSC3DMCEncoder.h> -#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); - - SplitLargeMeshesProcess_Triangle tri_splitter; - tri_splitter.SetLimit(0xffff); - tri_splitter.Execute(sceneCopy_tmp); - - SplitLargeMeshesProcess_Vertex vert_splitter; - vert_splitter.SetLimit(0xffff); - vert_splitter.Execute(sceneCopy_tmp); - - mScene.reset(sceneCopy_tmp); - - 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) -{ - memcpy(&o, &v, sizeof(aiMatrix4x4)); -} - -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; -} - -template<typename T> -void SetAccessorRange(Ref<Accessor> acc, void* data, unsigned int count, - unsigned int numCompsIn, unsigned int numCompsOut) -{ - ai_assert(numCompsOut <= numCompsIn); - - // Allocate and initialize with large values. - for (unsigned int i = 0 ; i < numCompsOut ; i++) { - acc->min.push_back( std::numeric_limits<double>::max()); - acc->max.push_back(-std::numeric_limits<double>::max()); - } - - size_t totalComps = count * numCompsIn; - T* buffer_ptr = static_cast<T*>(data); - T* buffer_end = buffer_ptr + totalComps; - - // Search and set extreme values. - for (; buffer_ptr < buffer_end ; buffer_ptr += numCompsIn) { - for (unsigned int j = 0 ; j < numCompsOut ; j++) { - double valueTmp = buffer_ptr[j]; - - if (valueTmp < acc->min[j]) { - acc->min[j] = valueTmp; - } - if (valueTmp > acc->max[j]) { - acc->max[j] = valueTmp; - } - } - } -} - -inline void SetAccessorRange(ComponentType compType, Ref<Accessor> acc, void* data, - unsigned int count, unsigned int numCompsIn, unsigned int numCompsOut) -{ - switch (compType) { - case ComponentType_SHORT: - SetAccessorRange<short>(acc, data, count, numCompsIn, numCompsOut); - return; - case ComponentType_UNSIGNED_SHORT: - SetAccessorRange<unsigned short>(acc, data, count, numCompsIn, numCompsOut); - return; - case ComponentType_UNSIGNED_INT: - SetAccessorRange<unsigned int>(acc, data, count, numCompsIn, numCompsOut); - return; - case ComponentType_FLOAT: - SetAccessorRange<float>(acc, data, count, numCompsIn, numCompsOut); - return; - case ComponentType_BYTE: - SetAccessorRange<int8_t>(acc, data, count, numCompsIn, numCompsOut); - return; - case ComponentType_UNSIGNED_BYTE: - SetAccessorRange<uint8_t>(acc, data, count, numCompsIn, numCompsOut); - return; - } -} - -inline Ref<Accessor> ExportData(Asset &a, std::string &meshName, Ref<Buffer> &buffer, - unsigned int count, void *data, AttribType::Value typeIn, AttribType::Value typeOut, ComponentType compType, BufferViewTarget target = BufferViewTarget_NONE) { - if (!count || !data) return Ref<Accessor>(); - - 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<BufferView> 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 = target; - - // accessor - Ref<Accessor> 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 - SetAccessorRange(compType, acc, data, count, numCompsIn, numCompsOut); - - // 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) { - ai_assert( nullptr != mat ); - if ( nullptr != mat ) { - mat->Get(propName, type, idx, val); - } - } -} - -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<std::string, unsigned int>::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* curTex = mScene->mTextures[atoi(&path[1])]; - - prop.texture->source->name = curTex->mFilename.C_Str(); - - uint8_t *data = reinterpret_cast<uint8_t *>(curTex->pcData); - prop.texture->source->SetData(data, curTex->mWidth, *mAsset); - - if (curTex->achFormatHint[0]) { - std::string mimeType = "image/"; - mimeType += (memcmp(curTex->achFormatHint, "jpg", 3) == 0) ? "jpeg" : curTex->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<Material> 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<Node> &nodeIn, Ref<Node> &meshNode, const 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<Node> found that does not have a jointName. - */ -Ref<Node> FindSkeletonRootJoint(Ref<Skin>& skinRef) -{ - Ref<Node> startNodeRef; - Ref<Node> 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<Mesh>& meshRef, Ref<Buffer>& bufferRef, Ref<Skin>& skinRef, std::vector<aiMatrix4x4>& 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<Node> nodeRef = mAsset.nodes.Get(aib->mName.C_Str()); - nodeRef->jointName = nodeRef->id; - - unsigned int jointNamesIndex = 0; - 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<unsigned int>(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]] = static_cast<float>(jointNamesIndex); - vertexWeightData[vertexId][jointsPerVertex[vertexId]] = vertWeight; - - jointsPerVertex[vertexId] += 1; - } - - } // End: for-loop mNumMeshes - - Mesh::Primitive& p = meshRef->primitives.back(); - Ref<Accessor> vertexJointAccessor = ExportData(mAsset, skinRef->id, bufferRef, aimesh->mNumVertices, vertexJointData, AttribType::VEC4, AttribType::VEC4, ComponentType_FLOAT); - if ( vertexJointAccessor ) { - p.attributes.joint.push_back( vertexJointAccessor ); - } - - Ref<Accessor> 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; -} - -#if defined(__has_warning) -#if __has_warning("-Wunused-but-set-variable") -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wunused-but-set-variable" -#endif -#endif - -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. -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - size_t idx_srcdata_begin = 0; // 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. - size_t idx_srcdata_ind;// Index of begin of coordinates indices array in buffer. -#endif - std::vector<size_t> idx_srcdata_tc;// Array of indices. Every index point to begin of texture coordinates 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<Buffer> 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<Skin> skinRef; - std::string skinName = mAsset->FindUniqueID("skin", "skin"); - std::vector<aiMatrix4x4> 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."; - - ASSIMP_LOG_WARN("GLTF: can not use Open3DGC-compression: ", msg); - comp_allow = false; - } - - std::string meshId = mAsset->FindUniqueID(aim->mName.C_Str(), "mesh"); - Ref<Mesh> 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. -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - if(comp_allow) idx_srcdata_begin = b->byteLength; -#endif - - Ref<Accessor> v = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mVertices, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT, BufferViewTarget_ARRAY_BUFFER); - if (v) p.attributes.position.push_back(v); - - /******************** Normals ********************/ -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - if(comp_allow && (aim->mNormals != 0)) idx_srcdata_normal = b->byteLength;// Store index of normals array. -#endif - - Ref<Accessor> n = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mNormals, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT, BufferViewTarget_ARRAY_BUFFER); - 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<Accessor> tc = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mTextureCoords[i], AttribType::VEC3, type, ComponentType_FLOAT, BufferViewTarget_ARRAY_BUFFER); - if (tc) p.attributes.texcoord.push_back(tc); - } - } - - /*************** Vertices indices ****************/ -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - idx_srcdata_ind = b->byteLength;// Store index of indices array. -#endif - - if (aim->mNumFaces > 0) { - std::vector<IndicesType> 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, BufferViewTarget_ELEMENT_ARRAY_BUFFER); - } - - 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<IndicesType> encoder; - o3dgc::IndexedFaceSet<IndicesType> 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<unsigned long>(num), quant_texcoord); - comp_o3dgc_params.SetFloatAttributePredMode(static_cast<unsigned long>(num), prediction_texcoord); - comp_o3dgc_ifs.SetNFloatAttribute(static_cast<unsigned long>(num), aim->mNumVertices);// number of elements. - comp_o3dgc_ifs.SetFloatAttributeDim(static_cast<unsigned long>(num), aim->mNumUVComponents[num_tc]);// components per element: aiVector3D => x * float - comp_o3dgc_ifs.SetFloatAttributeType(static_cast<unsigned long>(num), o3dgc::O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD); - comp_o3dgc_ifs.SetFloatAttribute(static_cast<unsigned long>(num), (o3dgc::Real* const)&b->GetPointer()[idx_srcdata_tc[num_tc]]); - comp_o3dgc_ifs.SetNumFloatAttributes(static_cast<unsigned long>(num + 1)); - } - - // Coordinates indices - comp_o3dgc_ifs.SetNCoordIndex(aim->mNumFaces); - comp_o3dgc_ifs.SetCoordIndex((IndicesType* const)&b->GetPointer()[idx_srcdata_ind]); - // Prepare to encoding - 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<Accessor> invBindMatrixAccessor = ExportData(*mAsset, skinName, b, static_cast<unsigned int>(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<Node> rootNode = mAsset->nodes.Get(unsigned(0)); - Ref<Node> meshNode; - std::string meshID = mAsset->meshes.Get(unsigned(0))->id; - FindMeshNode(rootNode, meshNode, meshID); - - Ref<Node> rootJoint = FindSkeletonRootJoint(skinRef); - meshNode->skeletons.push_back(rootJoint); - meshNode->skin = skinRef; - } -} - -#if defined(__has_warning) -#if __has_warning("-Wunused-but-set-variable") -#pragma GCC diagnostic pop -#endif -#endif - -/* - * Export the root node of the node hierarchy. - * Calls ExportNode for all children. - */ -unsigned int glTFExporter::ExportNodeHierarchy(const aiNode* n) -{ - Ref<Node> 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<Node> - */ -unsigned int glTFExporter::ExportNode(const aiNode* n, Ref<Node>& parent) -{ - Ref<Node> 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> 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 = "1.0"; - - char buffer[256]; - ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%x)", - aiGetVersionMajor(), aiGetVersionMinor(), aiGetVersionRevision()); - - asset.generator = buffer; - - // Copyright - aiString copyright_str; - if (mScene->mMetaData != nullptr && mScene->mMetaData->Get(AI_METADATA_SOURCE_COPYRIGHT, copyright_str)) { - asset.copyright = copyright_str.C_Str(); - } -} - -inline void ExtractAnimationData(Asset& mAsset, std::string& animId, Ref<Animation>& animRef, Ref<Buffer>& 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<TimeType> 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] = static_cast<float>(nodeChannel->mPositionKeys[frameIndex].mTime / ticksPerSecond); - } - - Ref<Accessor> timeAccessor = ExportData(mAsset, animId, buffer, static_cast<unsigned int>(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<Accessor> tranAccessor = ExportData(mAsset, animId, buffer, static_cast<unsigned int>(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<Accessor> scaleAccessor = ExportData(mAsset, animId, buffer, static_cast<unsigned int>(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<Accessor> rotAccessor = ExportData(mAsset, animId, buffer, static_cast<unsigned int>(numKeyframes), rotationData, AttribType::VEC4, AttribType::VEC4, ComponentType_FLOAT); - if ( rotAccessor ) { - animRef->Parameters.rotation = rotAccessor; - } - delete[] rotationData; - } -} - -void glTFExporter::ExportAnimations() -{ - Ref<Buffer> 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 + "_" + ai_to_string(channelIndex); - name = mAsset->FindUniqueID(name, "animation"); - Ref<Animation> animRef = mAsset->animations.Create(name); - - /******************* Parameters ********************/ - ExtractAnimationData(*mAsset, name, animRef, bufferRef, nodeChannel, static_cast<float>(anim->mTicksPerSecond)); - - for (unsigned int j = 0; j < 3; ++j) { - std::string channelType; - int channelSize=0; - 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/libs/assimp/code/AssetLib/glTF/glTFExporter.h b/libs/assimp/code/AssetLib/glTF/glTFExporter.h deleted file mode 100644 index a526954..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFExporter.h +++ /dev/null @@ -1,118 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -/** @file GltfExporter.h - * Declares the exporter class to write a scene to a gltf/glb file - */ -#pragma once -#ifndef AI_GLTFEXPORTER_H_INC -#define AI_GLTFEXPORTER_H_INC - -#if !defined(ASSIMP_BUILD_NO_GLTF_EXPORTER) && !defined(ASSIMP_BUILD_NO_GLTF1_EXPORTER) - -#include <assimp/material.h> -#include <assimp/types.h> - -#include <map> -#include <memory> -#include <sstream> -#include <vector> - -struct aiScene; -struct aiNode; - -namespace glTFCommon { -template <class T> -class Ref; - -} - -namespace glTF { -class Asset; -struct TexProperty; -struct Node; - -} // namespace glTF - -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; - std::shared_ptr<const aiScene> mScene; - const ExportProperties *mProperties; - - std::map<std::string, unsigned int> mTexturesByPath; - - std::shared_ptr<glTF::Asset> mAsset; - - std::vector<unsigned char> 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, glTFCommon::Ref<glTF::Node> & parent); - void ExportScene(); - void ExportAnimations(); -}; - -} // namespace Assimp - -#endif // ASSIMP_BUILD_NO_GLTF_EXPORTER - -#endif // AI_GLTFEXPORTER_H_INC diff --git a/libs/assimp/code/AssetLib/glTF/glTFImporter.cpp b/libs/assimp/code/AssetLib/glTF/glTFImporter.cpp deleted file mode 100644 index 81db12e..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFImporter.cpp +++ /dev/null @@ -1,725 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#if !defined(ASSIMP_BUILD_NO_GLTF_IMPORTER) && !defined(ASSIMP_BUILD_NO_GLTF1_IMPORTER) - -#include "AssetLib/glTF/glTFImporter.h" -#include "AssetLib/glTF/glTFAsset.h" -#if !defined(ASSIMP_BUILD_NO_EXPORT) -#include "AssetLib/glTF/glTFAssetWriter.h" -#endif -#include "PostProcessing/MakeVerboseFormat.h" - -#include <assimp/StringComparison.h> -#include <assimp/StringUtils.h> -#include <assimp/ai_assert.h> -#include <assimp/commonMetaData.h> -#include <assimp/importerdesc.h> -#include <assimp/scene.h> -#include <assimp/DefaultLogger.hpp> -#include <assimp/Importer.hpp> - -#include <memory> - -using namespace Assimp; -using namespace glTF; - -// -// glTFImporter -// - -static const aiImporterDesc desc = { - "glTF Importer", - "", - "", - "", - aiImporterFlags_SupportTextFlavour | aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportCompressedFlavour | aiImporterFlags_LimitedSupport | aiImporterFlags_Experimental, - 0, - 0, - 0, - 0, - "gltf glb" -}; - -glTFImporter::glTFImporter() : - BaseImporter(), meshOffsets(), embeddedTexIdxs(), mScene(nullptr) { - // empty -} - -glTFImporter::~glTFImporter() { - // empty -} - -const aiImporterDesc *glTFImporter::GetInfo() const { - return &desc; -} - -bool glTFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /* checkSig */) const { - glTF::Asset asset(pIOHandler); - try { - asset.Load(pFile, GetExtension(pFile) == "glb"); - std::string version = asset.asset.version; - return !version.empty() && version[0] == '1'; - } catch (...) { - return false; - } -} - -inline void SetMaterialColorProperty(std::vector<int> &embeddedTexIdxs, Asset & /*r*/, glTF::TexProperty prop, aiMaterial *mat, - aiTextureType texType, const char *pKey, unsigned int type, unsigned int idx) { - if (prop.texture) { - if (prop.texture->source) { - aiString uri(prop.texture->source->uri); - - int texIdx = embeddedTexIdxs[prop.texture->source.GetIndex()]; - if (texIdx != -1) { // embedded - // setup texture reference string (copied from ColladaLoader::FindFilenameForEffectTexture) - uri.data[0] = '*'; - uri.length = 1 + ASSIMP_itoa10(uri.data + 1, MAXLEN - 1, texIdx); - } - - mat->AddProperty(&uri, _AI_MATKEY_TEXTURE_BASE, texType, 0); - } - } else { - aiColor4D col; - CopyValue(prop.color, col); - mat->AddProperty(&col, 1, pKey, type, idx); - } -} - -void glTFImporter::ImportMaterials(glTF::Asset &r) { - mScene->mNumMaterials = unsigned(r.materials.Size()); - mScene->mMaterials = new aiMaterial *[mScene->mNumMaterials]; - - for (unsigned int i = 0; i < mScene->mNumMaterials; ++i) { - aiMaterial *aimat = mScene->mMaterials[i] = new aiMaterial(); - - Material &mat = r.materials[i]; - - /*if (!mat.name.empty())*/ { - aiString str(mat.id /*mat.name*/); - aimat->AddProperty(&str, AI_MATKEY_NAME); - } - - SetMaterialColorProperty(embeddedTexIdxs, r, mat.ambient, aimat, aiTextureType_AMBIENT, AI_MATKEY_COLOR_AMBIENT); - SetMaterialColorProperty(embeddedTexIdxs, r, mat.diffuse, aimat, aiTextureType_DIFFUSE, AI_MATKEY_COLOR_DIFFUSE); - SetMaterialColorProperty(embeddedTexIdxs, r, mat.specular, aimat, aiTextureType_SPECULAR, AI_MATKEY_COLOR_SPECULAR); - SetMaterialColorProperty(embeddedTexIdxs, r, mat.emission, aimat, aiTextureType_EMISSIVE, AI_MATKEY_COLOR_EMISSIVE); - - aimat->AddProperty(&mat.doubleSided, 1, AI_MATKEY_TWOSIDED); - - if (mat.transparent && (mat.transparency != 1.0f)) { - aimat->AddProperty(&mat.transparency, 1, AI_MATKEY_OPACITY); - } - - if (mat.shininess > 0.f) { - aimat->AddProperty(&mat.shininess, 1, AI_MATKEY_SHININESS); - } - } - - if (mScene->mNumMaterials == 0) { - mScene->mNumMaterials = 1; - // Delete the array of length zero created above. - delete[] mScene->mMaterials; - mScene->mMaterials = new aiMaterial *[1]; - mScene->mMaterials[0] = new aiMaterial(); - } -} - -static inline void SetFace(aiFace &face, int a) { - face.mNumIndices = 1; - face.mIndices = new unsigned int[1]; - face.mIndices[0] = a; -} - -static inline void SetFace(aiFace &face, int a, int b) { - face.mNumIndices = 2; - face.mIndices = new unsigned int[2]; - face.mIndices[0] = a; - face.mIndices[1] = b; -} - -static inline void SetFace(aiFace &face, int a, int b, int c) { - face.mNumIndices = 3; - face.mIndices = new unsigned int[3]; - face.mIndices[0] = a; - face.mIndices[1] = b; - face.mIndices[2] = c; -} - -static inline bool CheckValidFacesIndices(aiFace *faces, unsigned nFaces, unsigned nVerts) { - for (unsigned i = 0; i < nFaces; ++i) { - for (unsigned j = 0; j < faces[i].mNumIndices; ++j) { - unsigned idx = faces[i].mIndices[j]; - if (idx >= nVerts) - return false; - } - } - return true; -} - -void glTFImporter::ImportMeshes(glTF::Asset &r) { - std::vector<aiMesh *> meshes; - - unsigned int k = 0; - meshOffsets.clear(); - - for (unsigned int m = 0; m < r.meshes.Size(); ++m) { - Mesh &mesh = r.meshes[m]; - - // Check if mesh extensions is used - if (mesh.Extension.size() > 0) { -#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC - for (Mesh::SExtension *cur_ext : mesh.Extension) { - if (cur_ext->Type == Mesh::SExtension::EType::Compression_Open3DGC) { - // Limitations for meshes when using Open3DGC-compression. - // It's a current limitation of sp... Specification have not this part still - about mesh compression. Why only one primitive? - // Because glTF is very flexibly. But in fact it ugly flexible. Every primitive can has own set of accessors and accessors can - // point to a-a-a-a-any part of buffer (through bufferview of course) and even to another buffer. We know that "Open3DGC-compression" - // is applicable only to part of buffer. As we can't guaranty continuity of the data for decoder, we will limit quantity of primitives. - // Yes indices, coordinates etc. still can br stored in different buffers, but with current specification it's a exporter problem. - // Also primitive can has only one of "POSITION", "NORMAL" and less then "AI_MAX_NUMBER_OF_TEXTURECOORDS" of "TEXCOORD". All accessor - // of primitive must point to one continuous region of the buffer. - if (mesh.primitives.size() > 2) throw DeadlyImportError("GLTF: When using Open3DGC compression then only one primitive per mesh are allowed."); - - Mesh::SCompression_Open3DGC *o3dgc_ext = (Mesh::SCompression_Open3DGC *)cur_ext; - Ref<Buffer> buf = r.buffers.Get(o3dgc_ext->Buffer); - - buf->EncodedRegion_SetCurrent(mesh.id); - } else - { - throw DeadlyImportError("GLTF: Can not import mesh: unknown mesh extension (code: \"", ai_to_string(cur_ext->Type), - "\"), only Open3DGC is supported."); - } - } -#endif - } // if(mesh.Extension.size() > 0) - - meshOffsets.push_back(k); - k += unsigned(mesh.primitives.size()); - - for (unsigned int p = 0; p < mesh.primitives.size(); ++p) { - Mesh::Primitive &prim = mesh.primitives[p]; - - aiMesh *aim = new aiMesh(); - meshes.push_back(aim); - - aim->mName = mesh.id; - if (mesh.primitives.size() > 1) { - ai_uint32 &len = aim->mName.length; - aim->mName.data[len] = '-'; - len += 1 + ASSIMP_itoa10(aim->mName.data + len + 1, unsigned(MAXLEN - len - 1), p); - } - - switch (prim.mode) { - case PrimitiveMode_POINTS: - aim->mPrimitiveTypes |= aiPrimitiveType_POINT; - break; - - case PrimitiveMode_LINES: - case PrimitiveMode_LINE_LOOP: - case PrimitiveMode_LINE_STRIP: - aim->mPrimitiveTypes |= aiPrimitiveType_LINE; - break; - - case PrimitiveMode_TRIANGLES: - case PrimitiveMode_TRIANGLE_STRIP: - case PrimitiveMode_TRIANGLE_FAN: - aim->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE; - break; - } - - Mesh::Primitive::Attributes &attr = prim.attributes; - - if (attr.position.size() > 0 && attr.position[0]) { - aim->mNumVertices = attr.position[0]->count; - attr.position[0]->ExtractData(aim->mVertices); - } - - if (attr.normal.size() > 0 && attr.normal[0]) attr.normal[0]->ExtractData(aim->mNormals); - - for (size_t tc = 0; tc < attr.texcoord.size() && tc < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++tc) { - attr.texcoord[tc]->ExtractData(aim->mTextureCoords[tc]); - aim->mNumUVComponents[tc] = attr.texcoord[tc]->GetNumComponents(); - - aiVector3D *values = aim->mTextureCoords[tc]; - for (unsigned int i = 0; i < aim->mNumVertices; ++i) { - values[i].y = 1 - values[i].y; // Flip Y coords - } - } - - aiFace *faces = 0; - unsigned int nFaces = 0; - - if (prim.indices) { - unsigned int count = prim.indices->count; - - Accessor::Indexer data = prim.indices->GetIndexer(); - ai_assert(data.IsValid()); - - switch (prim.mode) { - case PrimitiveMode_POINTS: { - nFaces = count; - faces = new aiFace[nFaces]; - for (unsigned int i = 0; i < count; ++i) { - SetFace(faces[i], data.GetUInt(i)); - } - break; - } - - case PrimitiveMode_LINES: { - nFaces = count / 2; - if (nFaces * 2 != count) { - ASSIMP_LOG_WARN("The number of vertices was not compatible with the LINES mode. Some vertices were dropped."); - count = nFaces * 2; - } - faces = new aiFace[nFaces]; - for (unsigned int i = 0; i < count; i += 2) { - SetFace(faces[i / 2], data.GetUInt(i), data.GetUInt(i + 1)); - } - break; - } - - case PrimitiveMode_LINE_LOOP: - case PrimitiveMode_LINE_STRIP: { - nFaces = count - ((prim.mode == PrimitiveMode_LINE_STRIP) ? 1 : 0); - faces = new aiFace[nFaces]; - SetFace(faces[0], data.GetUInt(0), data.GetUInt(1)); - for (unsigned int i = 2; i < count; ++i) { - SetFace(faces[i - 1], faces[i - 2].mIndices[1], data.GetUInt(i)); - } - if (prim.mode == PrimitiveMode_LINE_LOOP) { // close the loop - SetFace(faces[count - 1], faces[count - 2].mIndices[1], faces[0].mIndices[0]); - } - break; - } - - case PrimitiveMode_TRIANGLES: { - nFaces = count / 3; - if (nFaces * 3 != count) { - ASSIMP_LOG_WARN("The number of vertices was not compatible with the TRIANGLES mode. Some vertices were dropped."); - count = nFaces * 3; - } - faces = new aiFace[nFaces]; - for (unsigned int i = 0; i < count; i += 3) { - SetFace(faces[i / 3], data.GetUInt(i), data.GetUInt(i + 1), data.GetUInt(i + 2)); - } - break; - } - case PrimitiveMode_TRIANGLE_STRIP: { - nFaces = count - 2; - faces = new aiFace[nFaces]; - SetFace(faces[0], data.GetUInt(0), data.GetUInt(1), data.GetUInt(2)); - for (unsigned int i = 3; i < count; ++i) { - SetFace(faces[i - 2], faces[i - 1].mIndices[1], faces[i - 1].mIndices[2], data.GetUInt(i)); - } - break; - } - case PrimitiveMode_TRIANGLE_FAN: - nFaces = count - 2; - faces = new aiFace[nFaces]; - SetFace(faces[0], data.GetUInt(0), data.GetUInt(1), data.GetUInt(2)); - for (unsigned int i = 3; i < count; ++i) { - SetFace(faces[i - 2], faces[0].mIndices[0], faces[i - 1].mIndices[2], data.GetUInt(i)); - } - break; - } - } else { // no indices provided so directly generate from counts - - // use the already determined count as it includes checks - unsigned int count = aim->mNumVertices; - - switch (prim.mode) { - case PrimitiveMode_POINTS: { - nFaces = count; - faces = new aiFace[nFaces]; - for (unsigned int i = 0; i < count; ++i) { - SetFace(faces[i], i); - } - break; - } - - case PrimitiveMode_LINES: { - nFaces = count / 2; - if (nFaces * 2 != count) { - ASSIMP_LOG_WARN("The number of vertices was not compatible with the LINES mode. Some vertices were dropped."); - count = nFaces * 2; - } - faces = new aiFace[nFaces]; - for (unsigned int i = 0; i < count; i += 2) { - SetFace(faces[i / 2], i, i + 1); - } - break; - } - - case PrimitiveMode_LINE_LOOP: - case PrimitiveMode_LINE_STRIP: { - nFaces = count - ((prim.mode == PrimitiveMode_LINE_STRIP) ? 1 : 0); - faces = new aiFace[nFaces]; - SetFace(faces[0], 0, 1); - for (unsigned int i = 2; i < count; ++i) { - SetFace(faces[i - 1], faces[i - 2].mIndices[1], i); - } - if (prim.mode == PrimitiveMode_LINE_LOOP) { // close the loop - SetFace(faces[count - 1], faces[count - 2].mIndices[1], faces[0].mIndices[0]); - } - break; - } - - case PrimitiveMode_TRIANGLES: { - nFaces = count / 3; - if (nFaces * 3 != count) { - ASSIMP_LOG_WARN("The number of vertices was not compatible with the TRIANGLES mode. Some vertices were dropped."); - count = nFaces * 3; - } - faces = new aiFace[nFaces]; - for (unsigned int i = 0; i < count; i += 3) { - SetFace(faces[i / 3], i, i + 1, i + 2); - } - break; - } - case PrimitiveMode_TRIANGLE_STRIP: { - nFaces = count - 2; - faces = new aiFace[nFaces]; - SetFace(faces[0], 0, 1, 2); - for (unsigned int i = 3; i < count; ++i) { - SetFace(faces[i - 2], faces[i - 1].mIndices[1], faces[i - 1].mIndices[2], i); - } - break; - } - case PrimitiveMode_TRIANGLE_FAN: - nFaces = count - 2; - faces = new aiFace[nFaces]; - SetFace(faces[0], 0, 1, 2); - for (unsigned int i = 3; i < count; ++i) { - SetFace(faces[i - 2], faces[0].mIndices[0], faces[i - 1].mIndices[2], i); - } - break; - } - } - - if (faces) { - aim->mFaces = faces; - aim->mNumFaces = nFaces; - const bool validRes = CheckValidFacesIndices(faces, nFaces, aim->mNumVertices); - if (!validRes) { - ai_assert(validRes); - ASSIMP_LOG_WARN("Invalid number of faces detected."); - } - } - - if (prim.material) { - aim->mMaterialIndex = prim.material.GetIndex(); - } - } - } - - meshOffsets.push_back(k); - - CopyVector(meshes, mScene->mMeshes, mScene->mNumMeshes); -} - -void glTFImporter::ImportCameras(glTF::Asset &r) { - if (!r.cameras.Size()) { - return; - } - - mScene->mNumCameras = r.cameras.Size(); - mScene->mCameras = new aiCamera *[r.cameras.Size()]; - for (size_t i = 0; i < r.cameras.Size(); ++i) { - Camera &cam = r.cameras[i]; - - aiCamera *aicam = mScene->mCameras[i] = new aiCamera(); - - if (cam.type == Camera::Perspective) { - aicam->mAspect = cam.perspective.aspectRatio; - aicam->mHorizontalFOV = cam.perspective.yfov * ((aicam->mAspect == 0.f) ? 1.f : aicam->mAspect); - aicam->mClipPlaneFar = cam.perspective.zfar; - aicam->mClipPlaneNear = cam.perspective.znear; - } else { - aicam->mClipPlaneFar = cam.ortographic.zfar; - aicam->mClipPlaneNear = cam.ortographic.znear; - aicam->mHorizontalFOV = 0.0; - aicam->mAspect = 1.0f; - if (0.f != cam.ortographic.ymag) { - aicam->mAspect = cam.ortographic.xmag / cam.ortographic.ymag; - } - } - } -} - -void glTFImporter::ImportLights(glTF::Asset &r) { - if (!r.lights.Size()) return; - - mScene->mNumLights = r.lights.Size(); - mScene->mLights = new aiLight *[r.lights.Size()]; - - for (size_t i = 0; i < r.lights.Size(); ++i) { - Light &l = r.lights[i]; - - aiLight *ail = mScene->mLights[i] = new aiLight(); - - switch (l.type) { - case Light::Type_directional: - ail->mType = aiLightSource_DIRECTIONAL; - break; - - case Light::Type_spot: - ail->mType = aiLightSource_SPOT; - break; - - case Light::Type_ambient: - ail->mType = aiLightSource_AMBIENT; - break; - - default: // Light::Type_point - ail->mType = aiLightSource_POINT; - break; - } - - CopyValue(l.color, ail->mColorAmbient); - CopyValue(l.color, ail->mColorDiffuse); - CopyValue(l.color, ail->mColorSpecular); - - ail->mAngleOuterCone = l.falloffAngle; - ail->mAngleInnerCone = l.falloffExponent; // TODO fix this, it does not look right at all - - ail->mAttenuationConstant = l.constantAttenuation; - ail->mAttenuationLinear = l.linearAttenuation; - ail->mAttenuationQuadratic = l.quadraticAttenuation; - } -} - -aiNode *ImportNode(aiScene *pScene, glTF::Asset &r, std::vector<unsigned int> &meshOffsets, glTF::Ref<glTF::Node> &ptr) { - Node &node = *ptr; - - aiNode *ainode = new aiNode(node.id); - - if (!node.children.empty()) { - ainode->mNumChildren = unsigned(node.children.size()); - ainode->mChildren = new aiNode *[ainode->mNumChildren]; - - for (unsigned int i = 0; i < ainode->mNumChildren; ++i) { - aiNode *child = ImportNode(pScene, r, meshOffsets, node.children[i]); - child->mParent = ainode; - ainode->mChildren[i] = child; - } - } - - aiMatrix4x4 &matrix = ainode->mTransformation; - if (node.matrix.isPresent) { - CopyValue(node.matrix.value, matrix); - } else { - if (node.translation.isPresent) { - aiVector3D trans; - CopyValue(node.translation.value, trans); - aiMatrix4x4 t; - aiMatrix4x4::Translation(trans, t); - matrix = t * matrix; - } - - if (node.scale.isPresent) { - aiVector3D scal(1.f); - CopyValue(node.scale.value, scal); - aiMatrix4x4 s; - aiMatrix4x4::Scaling(scal, s); - matrix = s * matrix; - } - - if (node.rotation.isPresent) { - aiQuaternion rot; - CopyValue(node.rotation.value, rot); - matrix = aiMatrix4x4(rot.GetMatrix()) * matrix; - } - } - - if (!node.meshes.empty()) { - int count = 0; - for (size_t i = 0; i < node.meshes.size(); ++i) { - int idx = node.meshes[i].GetIndex(); - count += meshOffsets[idx + 1] - meshOffsets[idx]; - } - - ainode->mNumMeshes = count; - ainode->mMeshes = new unsigned int[count]; - - int k = 0; - for (size_t i = 0; i < node.meshes.size(); ++i) { - int idx = node.meshes[i].GetIndex(); - for (unsigned int j = meshOffsets[idx]; j < meshOffsets[idx + 1]; ++j, ++k) { - ainode->mMeshes[k] = j; - } - } - } - - if (node.camera) { - pScene->mCameras[node.camera.GetIndex()]->mName = ainode->mName; - } - - if (node.light) { - pScene->mLights[node.light.GetIndex()]->mName = ainode->mName; - } - - return ainode; -} - -void glTFImporter::ImportNodes(glTF::Asset &r) { - if (!r.scene) return; - - std::vector<Ref<Node>> rootNodes = r.scene->nodes; - - // The root nodes - unsigned int numRootNodes = unsigned(rootNodes.size()); - if (numRootNodes == 1) { // a single root node: use it - mScene->mRootNode = ImportNode(mScene, r, meshOffsets, rootNodes[0]); - } else if (numRootNodes > 1) { // more than one root node: create a fake root - aiNode *root = new aiNode("ROOT"); - root->mChildren = new aiNode *[numRootNodes]; - for (unsigned int i = 0; i < numRootNodes; ++i) { - aiNode *node = ImportNode(mScene, r, meshOffsets, rootNodes[i]); - node->mParent = root; - root->mChildren[root->mNumChildren++] = node; - } - mScene->mRootNode = root; - } - - //if (!mScene->mRootNode) { - // mScene->mRootNode = new aiNode("EMPTY"); - //} -} - -void glTFImporter::ImportEmbeddedTextures(glTF::Asset &r) { - embeddedTexIdxs.resize(r.images.Size(), -1); - - int numEmbeddedTexs = 0; - for (size_t i = 0; i < r.images.Size(); ++i) { - if (r.images[i].HasData()) - numEmbeddedTexs += 1; - } - - if (numEmbeddedTexs == 0) - return; - - mScene->mTextures = new aiTexture *[numEmbeddedTexs]; - - // Add the embedded textures - for (size_t i = 0; i < r.images.Size(); ++i) { - Image &img = r.images[i]; - if (!img.HasData()) continue; - - int idx = mScene->mNumTextures++; - embeddedTexIdxs[i] = idx; - - aiTexture *tex = mScene->mTextures[idx] = new aiTexture(); - - size_t length = img.GetDataLength(); - void *data = img.StealData(); - - tex->mFilename = img.name; - tex->mWidth = static_cast<unsigned int>(length); - tex->mHeight = 0; - tex->pcData = reinterpret_cast<aiTexel *>(data); - - if (!img.mimeType.empty()) { - const char *ext = strchr(img.mimeType.c_str(), '/') + 1; - if (ext) { - if (strcmp(ext, "jpeg") == 0) ext = "jpg"; - - size_t len = strlen(ext); - if (len <= 3) { - strcpy(tex->achFormatHint, ext); - } - } - } - } -} - -void glTFImporter::ImportCommonMetadata(glTF::Asset &a) { - ai_assert(mScene->mMetaData == nullptr); - const bool hasVersion = !a.asset.version.empty(); - const bool hasGenerator = !a.asset.generator.empty(); - const bool hasCopyright = !a.asset.copyright.empty(); - if (hasVersion || hasGenerator || hasCopyright) { - mScene->mMetaData = new aiMetadata; - if (hasVersion) { - mScene->mMetaData->Add(AI_METADATA_SOURCE_FORMAT_VERSION, aiString(a.asset.version)); - } - if (hasGenerator) { - mScene->mMetaData->Add(AI_METADATA_SOURCE_GENERATOR, aiString(a.asset.generator)); - } - if (hasCopyright) { - mScene->mMetaData->Add(AI_METADATA_SOURCE_COPYRIGHT, aiString(a.asset.copyright)); - } - } -} - -void glTFImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) { - // clean all member arrays - meshOffsets.clear(); - embeddedTexIdxs.clear(); - - this->mScene = pScene; - - // read the asset file - glTF::Asset asset(pIOHandler); - asset.Load(pFile, GetExtension(pFile) == "glb"); - - // - // Copy the data out - // - - ImportEmbeddedTextures(asset); - ImportMaterials(asset); - - ImportMeshes(asset); - - ImportCameras(asset); - ImportLights(asset); - - ImportNodes(asset); - ImportCommonMetadata(asset); - - if (pScene->mNumMeshes == 0) { - pScene->mFlags |= AI_SCENE_FLAGS_INCOMPLETE; - } -} - -#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER diff --git a/libs/assimp/code/AssetLib/glTF/glTFImporter.h b/libs/assimp/code/AssetLib/glTF/glTFImporter.h deleted file mode 100644 index 529da53..0000000 --- a/libs/assimp/code/AssetLib/glTF/glTFImporter.h +++ /dev/null @@ -1,89 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ -#pragma once -#ifndef AI_GLTFIMPORTER_H_INC -#define AI_GLTFIMPORTER_H_INC - -#include <assimp/BaseImporter.h> -#include <assimp/DefaultIOSystem.h> - -struct aiNode; - -namespace glTF { - class Asset; - -} - -namespace Assimp { - -/** - * Load the glTF format. - * https://github.com/KhronosGroup/glTF/tree/master/specification - */ -class glTFImporter : public BaseImporter { -public: - glTFImporter(); - ~glTFImporter() override; - bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const override; - -protected: - const aiImporterDesc *GetInfo() const override; - void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) override; - -private: - void ImportEmbeddedTextures(glTF::Asset &a); - void ImportMaterials(glTF::Asset &a); - void ImportMeshes(glTF::Asset &a); - void ImportCameras(glTF::Asset &a); - void ImportLights(glTF::Asset &a); - void ImportNodes(glTF::Asset &a); - void ImportCommonMetadata(glTF::Asset &a); - -private: - std::vector<unsigned int> meshOffsets; - std::vector<int> embeddedTexIdxs; - aiScene *mScene; -}; - -} // namespace Assimp - -#endif // AI_GLTFIMPORTER_H_INC |