diff options
Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/Assjson/json_exporter.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/Assjson/json_exporter.cpp | 810 |
1 files changed, 0 insertions, 810 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/Assjson/json_exporter.cpp b/src/mesh/assimp-master/code/AssetLib/Assjson/json_exporter.cpp deleted file mode 100644 index 7b2c8ec..0000000 --- a/src/mesh/assimp-master/code/AssetLib/Assjson/json_exporter.cpp +++ /dev/null @@ -1,810 +0,0 @@ -/* -Assimp2Json -Copyright (c) 2011, Alexander C. Gessler - -Licensed under a 3-clause BSD license. See the LICENSE file for more information. - -*/ - -#ifndef ASSIMP_BUILD_NO_EXPORT -#ifndef ASSIMP_BUILD_NO_ASSJSON_EXPORTER - -#include <assimp/scene.h> -#include <assimp/Exporter.hpp> -#include <assimp/IOStream.hpp> -#include <assimp/IOSystem.hpp> -#include <assimp/Importer.hpp> -#include <assimp/Exceptional.h> - -#include <cassert> -#include <limits> -#include <memory> -#include <sstream> - -#define CURRENT_FORMAT_VERSION 100 - -// grab scoped_ptr from assimp to avoid a dependency on boost. -//#include <assimp/../../code/BoostWorkaround/boost/scoped_ptr.hpp> - -#include "mesh_splitter.h" - -extern "C" { -#include "cencode.h" -} -namespace Assimp { - -void ExportAssimp2Json(const char *, Assimp::IOSystem *, const aiScene *, const Assimp::ExportProperties *); - -// small utility class to simplify serializing the aiScene to Json -class JSONWriter { -public: - enum { - Flag_DoNotIndent = 0x1, - Flag_WriteSpecialFloats = 0x2, - Flag_SkipWhitespaces = 0x4 - }; - - JSONWriter(Assimp::IOStream &out, unsigned int flags = 0u) : - out(out), indent (""), newline("\n"), space(" "), buff (), first(false), flags(flags) { - // make sure that all formatting happens using the standard, C locale and not the user's current locale - buff.imbue(std::locale("C")); - if (flags & Flag_SkipWhitespaces) { - newline = ""; - space = ""; - } - } - - ~JSONWriter() { - Flush(); - } - - void Flush() { - const std::string s = buff.str(); - out.Write(s.c_str(), s.length(), 1); - buff.clear(); - } - - void PushIndent() { - indent += '\t'; - } - - void PopIndent() { - indent.erase(indent.end() - 1); - } - - void Key(const std::string &name) { - AddIndentation(); - Delimit(); - buff << '\"' + name + "\":" << space; - } - - template <typename Literal> - void Element(const Literal &name) { - AddIndentation(); - Delimit(); - - LiteralToString(buff, name) << newline; - } - - template <typename Literal> - void SimpleValue(const Literal &s) { - LiteralToString(buff, s) << newline; - } - - void SimpleValue(const void *buffer, size_t len) { - base64_encodestate s; - base64_init_encodestate(&s); - - char *const cur_out = new char[std::max(len * 2, static_cast<size_t>(16u))]; - const int n = base64_encode_block(reinterpret_cast<const char *>(buffer), static_cast<int>(len), cur_out, &s); - cur_out[n + base64_encode_blockend(cur_out + n, &s)] = '\0'; - - // base64 encoding may add newlines, but JSON strings may not contain 'real' newlines - // (only escaped ones). Remove any newlines in out. - for (char *cur = cur_out; *cur; ++cur) { - if (*cur == '\n') { - *cur = ' '; - } - } - - buff << '\"' << cur_out << "\"" << newline; - delete[] cur_out; - } - - void StartObj(bool is_element = false) { - // if this appears as a plain array element, we need to insert a delimiter and we should also indent it - if (is_element) { - AddIndentation(); - if (!first) { - buff << ','; - } - } - first = true; - buff << "{" << newline; - PushIndent(); - } - - void EndObj() { - PopIndent(); - AddIndentation(); - first = false; - buff << "}" << newline; - } - - void StartArray(bool is_element = false) { - // if this appears as a plain array element, we need to insert a delimiter and we should also indent it - if (is_element) { - AddIndentation(); - if (!first) { - buff << ','; - } - } - first = true; - buff << "[" << newline; - PushIndent(); - } - - void EndArray() { - PopIndent(); - AddIndentation(); - buff << "]" << newline; - first = false; - } - - void AddIndentation() { - if (!(flags & Flag_DoNotIndent) && !(flags & Flag_SkipWhitespaces)) { - buff << indent; - } - } - - void Delimit() { - if (!first) { - buff << ','; - } else { - buff << space; - first = false; - } - } - -private: - template <typename Literal> - std::stringstream &LiteralToString(std::stringstream &stream, const Literal &s) { - stream << s; - return stream; - } - - std::stringstream &LiteralToString(std::stringstream &stream, const aiString &s) { - std::string t; - - // escape backslashes and single quotes, both would render the JSON invalid if left as is - t.reserve(s.length); - for (size_t i = 0; i < s.length; ++i) { - - if (s.data[i] == '\\' || s.data[i] == '\'' || s.data[i] == '\"') { - t.push_back('\\'); - } - - t.push_back(s.data[i]); - } - stream << "\""; - stream << t; - stream << "\""; - return stream; - } - - std::stringstream &LiteralToString(std::stringstream &stream, float f) { - if (!std::numeric_limits<float>::is_iec559) { - // on a non IEEE-754 platform, we make no assumptions about the representation or existence - // of special floating-point numbers. - stream << f; - return stream; - } - - // JSON does not support writing Inf/Nan - // [RFC 4672: "Numeric values that cannot be represented as sequences of digits - // (such as Infinity and NaN) are not permitted."] - // Nevertheless, many parsers will accept the special keywords Infinity, -Infinity and NaN - if (std::numeric_limits<float>::infinity() == fabs(f)) { - if (flags & Flag_WriteSpecialFloats) { - stream << (f < 0 ? "\"-" : "\"") + std::string("Infinity\""); - return stream; - } - // we should print this warning, but we can't - this is called from within a generic assimp exporter, we cannot use cerr - // std::cerr << "warning: cannot represent infinite number literal, substituting 0 instead (use -i flag to enforce Infinity/NaN)" << std::endl; - stream << "0.0"; - return stream; - } - // f!=f is the most reliable test for NaNs that I know of - else if (f != f) { - if (flags & Flag_WriteSpecialFloats) { - stream << "\"NaN\""; - return stream; - } - // we should print this warning, but we can't - this is called from within a generic assimp exporter, we cannot use cerr - // std::cerr << "warning: cannot represent infinite number literal, substituting 0 instead (use -i flag to enforce Infinity/NaN)" << std::endl; - stream << "0.0"; - return stream; - } - - stream << f; - return stream; - } - -private: - Assimp::IOStream &out; - std::string indent; - std::string newline; - std::string space; - std::stringstream buff; - bool first; - - unsigned int flags; -}; - -void Write(JSONWriter &out, const aiVector3D &ai, bool is_elem = true) { - out.StartArray(is_elem); - out.Element(ai.x); - out.Element(ai.y); - out.Element(ai.z); - out.EndArray(); -} - -void Write(JSONWriter &out, const aiQuaternion &ai, bool is_elem = true) { - out.StartArray(is_elem); - out.Element(ai.w); - out.Element(ai.x); - out.Element(ai.y); - out.Element(ai.z); - out.EndArray(); -} - -void Write(JSONWriter &out, const aiColor3D &ai, bool is_elem = true) { - out.StartArray(is_elem); - out.Element(ai.r); - out.Element(ai.g); - out.Element(ai.b); - out.EndArray(); -} - -void Write(JSONWriter &out, const aiMatrix4x4 &ai, bool is_elem = true) { - out.StartArray(is_elem); - for (unsigned int x = 0; x < 4; ++x) { - for (unsigned int y = 0; y < 4; ++y) { - out.Element(ai[x][y]); - } - } - out.EndArray(); -} - -void Write(JSONWriter &out, const aiBone &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mName); - - out.Key("offsetmatrix"); - Write(out, ai.mOffsetMatrix, false); - - out.Key("weights"); - out.StartArray(); - for (unsigned int i = 0; i < ai.mNumWeights; ++i) { - out.StartArray(true); - out.Element(ai.mWeights[i].mVertexId); - out.Element(ai.mWeights[i].mWeight); - out.EndArray(); - } - out.EndArray(); - out.EndObj(); -} - -void Write(JSONWriter &out, const aiFace &ai, bool is_elem = true) { - out.StartArray(is_elem); - for (unsigned int i = 0; i < ai.mNumIndices; ++i) { - out.Element(ai.mIndices[i]); - } - out.EndArray(); -} - -void Write(JSONWriter &out, const aiMesh &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mName); - - out.Key("materialindex"); - out.SimpleValue(ai.mMaterialIndex); - - out.Key("primitivetypes"); - out.SimpleValue(ai.mPrimitiveTypes); - - out.Key("vertices"); - out.StartArray(); - for (unsigned int i = 0; i < ai.mNumVertices; ++i) { - out.Element(ai.mVertices[i].x); - out.Element(ai.mVertices[i].y); - out.Element(ai.mVertices[i].z); - } - out.EndArray(); - - if (ai.HasNormals()) { - out.Key("normals"); - out.StartArray(); - for (unsigned int i = 0; i < ai.mNumVertices; ++i) { - out.Element(ai.mNormals[i].x); - out.Element(ai.mNormals[i].y); - out.Element(ai.mNormals[i].z); - } - out.EndArray(); - } - - if (ai.HasTangentsAndBitangents()) { - out.Key("tangents"); - out.StartArray(); - for (unsigned int i = 0; i < ai.mNumVertices; ++i) { - out.Element(ai.mTangents[i].x); - out.Element(ai.mTangents[i].y); - out.Element(ai.mTangents[i].z); - } - out.EndArray(); - - out.Key("bitangents"); - out.StartArray(); - for (unsigned int i = 0; i < ai.mNumVertices; ++i) { - out.Element(ai.mBitangents[i].x); - out.Element(ai.mBitangents[i].y); - out.Element(ai.mBitangents[i].z); - } - out.EndArray(); - } - - if (ai.GetNumUVChannels()) { - out.Key("numuvcomponents"); - out.StartArray(); - for (unsigned int n = 0; n < ai.GetNumUVChannels(); ++n) { - out.Element(ai.mNumUVComponents[n]); - } - out.EndArray(); - - out.Key("texturecoords"); - out.StartArray(); - for (unsigned int n = 0; n < ai.GetNumUVChannels(); ++n) { - const unsigned int numc = ai.mNumUVComponents[n] ? ai.mNumUVComponents[n] : 2; - - out.StartArray(true); - for (unsigned int i = 0; i < ai.mNumVertices; ++i) { - for (unsigned int c = 0; c < numc; ++c) { - out.Element(ai.mTextureCoords[n][i][c]); - } - } - out.EndArray(); - } - out.EndArray(); - } - - if (ai.GetNumColorChannels()) { - out.Key("colors"); - out.StartArray(); - for (unsigned int n = 0; n < ai.GetNumColorChannels(); ++n) { - out.StartArray(true); - for (unsigned int i = 0; i < ai.mNumVertices; ++i) { - out.Element(ai.mColors[n][i].r); - out.Element(ai.mColors[n][i].g); - out.Element(ai.mColors[n][i].b); - out.Element(ai.mColors[n][i].a); - } - out.EndArray(); - } - out.EndArray(); - } - - if (ai.mNumBones) { - out.Key("bones"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumBones; ++n) { - Write(out, *ai.mBones[n]); - } - out.EndArray(); - } - - out.Key("faces"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumFaces; ++n) { - Write(out, ai.mFaces[n]); - } - out.EndArray(); - - out.EndObj(); -} - -void Write(JSONWriter &out, const aiNode &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mName); - - out.Key("transformation"); - Write(out, ai.mTransformation, false); - - if (ai.mNumMeshes) { - out.Key("meshes"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumMeshes; ++n) { - out.Element(ai.mMeshes[n]); - } - out.EndArray(); - } - - if (ai.mNumChildren) { - out.Key("children"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumChildren; ++n) { - Write(out, *ai.mChildren[n]); - } - out.EndArray(); - } - - out.EndObj(); -} - -void Write(JSONWriter &out, const aiMaterial &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("properties"); - out.StartArray(); - for (unsigned int i = 0; i < ai.mNumProperties; ++i) { - const aiMaterialProperty *const prop = ai.mProperties[i]; - out.StartObj(true); - out.Key("key"); - out.SimpleValue(prop->mKey); - out.Key("semantic"); - out.SimpleValue(prop->mSemantic); - out.Key("index"); - out.SimpleValue(prop->mIndex); - - out.Key("type"); - out.SimpleValue(prop->mType); - - out.Key("value"); - switch (prop->mType) { - case aiPTI_Float: - if (prop->mDataLength / sizeof(float) > 1) { - out.StartArray(); - for (unsigned int ii = 0; ii < prop->mDataLength / sizeof(float); ++ii) { - out.Element(reinterpret_cast<float *>(prop->mData)[ii]); - } - out.EndArray(); - } else { - out.SimpleValue(*reinterpret_cast<float *>(prop->mData)); - } - break; - - case aiPTI_Integer: - if (prop->mDataLength / sizeof(int) > 1) { - out.StartArray(); - for (unsigned int ii = 0; ii < prop->mDataLength / sizeof(int); ++ii) { - out.Element(reinterpret_cast<int *>(prop->mData)[ii]); - } - out.EndArray(); - } else { - out.SimpleValue(*reinterpret_cast<int *>(prop->mData)); - } - break; - - case aiPTI_String: { - aiString s; - aiGetMaterialString(&ai, prop->mKey.data, prop->mSemantic, prop->mIndex, &s); - out.SimpleValue(s); - } break; - case aiPTI_Buffer: { - // binary data is written as series of hex-encoded octets - out.SimpleValue(prop->mData, prop->mDataLength); - } break; - default: - assert(false); - } - - out.EndObj(); - } - - out.EndArray(); - out.EndObj(); -} - -void Write(JSONWriter &out, const aiTexture &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("width"); - out.SimpleValue(ai.mWidth); - - out.Key("height"); - out.SimpleValue(ai.mHeight); - - out.Key("formathint"); - out.SimpleValue(aiString(ai.achFormatHint)); - - out.Key("data"); - if (!ai.mHeight) { - out.SimpleValue(ai.pcData, ai.mWidth); - } else { - out.StartArray(); - for (unsigned int y = 0; y < ai.mHeight; ++y) { - out.StartArray(true); - for (unsigned int x = 0; x < ai.mWidth; ++x) { - const aiTexel &tx = ai.pcData[y * ai.mWidth + x]; - out.StartArray(true); - out.Element(static_cast<unsigned int>(tx.r)); - out.Element(static_cast<unsigned int>(tx.g)); - out.Element(static_cast<unsigned int>(tx.b)); - out.Element(static_cast<unsigned int>(tx.a)); - out.EndArray(); - } - out.EndArray(); - } - out.EndArray(); - } - - out.EndObj(); -} - -void Write(JSONWriter &out, const aiLight &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mName); - - out.Key("type"); - out.SimpleValue(ai.mType); - - if (ai.mType == aiLightSource_SPOT || ai.mType == aiLightSource_UNDEFINED) { - out.Key("angleinnercone"); - out.SimpleValue(ai.mAngleInnerCone); - - out.Key("angleoutercone"); - out.SimpleValue(ai.mAngleOuterCone); - } - - out.Key("attenuationconstant"); - out.SimpleValue(ai.mAttenuationConstant); - - out.Key("attenuationlinear"); - out.SimpleValue(ai.mAttenuationLinear); - - out.Key("attenuationquadratic"); - out.SimpleValue(ai.mAttenuationQuadratic); - - out.Key("diffusecolor"); - Write(out, ai.mColorDiffuse, false); - - out.Key("specularcolor"); - Write(out, ai.mColorSpecular, false); - - out.Key("ambientcolor"); - Write(out, ai.mColorAmbient, false); - - if (ai.mType != aiLightSource_POINT) { - out.Key("direction"); - Write(out, ai.mDirection, false); - } - - if (ai.mType != aiLightSource_DIRECTIONAL) { - out.Key("position"); - Write(out, ai.mPosition, false); - } - - out.EndObj(); -} - -void Write(JSONWriter &out, const aiNodeAnim &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mNodeName); - - out.Key("prestate"); - out.SimpleValue(ai.mPreState); - - out.Key("poststate"); - out.SimpleValue(ai.mPostState); - - if (ai.mNumPositionKeys) { - out.Key("positionkeys"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumPositionKeys; ++n) { - const aiVectorKey &pos = ai.mPositionKeys[n]; - out.StartArray(true); - out.Element(pos.mTime); - Write(out, pos.mValue); - out.EndArray(); - } - out.EndArray(); - } - - if (ai.mNumRotationKeys) { - out.Key("rotationkeys"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumRotationKeys; ++n) { - const aiQuatKey &rot = ai.mRotationKeys[n]; - out.StartArray(true); - out.Element(rot.mTime); - Write(out, rot.mValue); - out.EndArray(); - } - out.EndArray(); - } - - if (ai.mNumScalingKeys) { - out.Key("scalingkeys"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumScalingKeys; ++n) { - const aiVectorKey &scl = ai.mScalingKeys[n]; - out.StartArray(true); - out.Element(scl.mTime); - Write(out, scl.mValue); - out.EndArray(); - } - out.EndArray(); - } - out.EndObj(); -} - -void Write(JSONWriter &out, const aiAnimation &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mName); - - out.Key("tickspersecond"); - out.SimpleValue(ai.mTicksPerSecond); - - out.Key("duration"); - out.SimpleValue(ai.mDuration); - - out.Key("channels"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumChannels; ++n) { - Write(out, *ai.mChannels[n]); - } - out.EndArray(); - out.EndObj(); -} - -void Write(JSONWriter &out, const aiCamera &ai, bool is_elem = true) { - out.StartObj(is_elem); - - out.Key("name"); - out.SimpleValue(ai.mName); - - out.Key("aspect"); - out.SimpleValue(ai.mAspect); - - out.Key("clipplanefar"); - out.SimpleValue(ai.mClipPlaneFar); - - out.Key("clipplanenear"); - out.SimpleValue(ai.mClipPlaneNear); - - out.Key("horizontalfov"); - out.SimpleValue(ai.mHorizontalFOV); - - out.Key("up"); - Write(out, ai.mUp, false); - - out.Key("lookat"); - Write(out, ai.mLookAt, false); - - out.EndObj(); -} - -void WriteFormatInfo(JSONWriter &out) { - out.StartObj(); - out.Key("format"); - out.SimpleValue("\"assimp2json\""); - out.Key("version"); - out.SimpleValue(CURRENT_FORMAT_VERSION); - out.EndObj(); -} - -void Write(JSONWriter &out, const aiScene &ai) { - out.StartObj(); - - out.Key("__metadata__"); - WriteFormatInfo(out); - - out.Key("rootnode"); - Write(out, *ai.mRootNode, false); - - out.Key("flags"); - out.SimpleValue(ai.mFlags); - - if (ai.HasMeshes()) { - out.Key("meshes"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumMeshes; ++n) { - Write(out, *ai.mMeshes[n]); - } - out.EndArray(); - } - - if (ai.HasMaterials()) { - out.Key("materials"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumMaterials; ++n) { - Write(out, *ai.mMaterials[n]); - } - out.EndArray(); - } - - if (ai.HasAnimations()) { - out.Key("animations"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumAnimations; ++n) { - Write(out, *ai.mAnimations[n]); - } - out.EndArray(); - } - - if (ai.HasLights()) { - out.Key("lights"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumLights; ++n) { - Write(out, *ai.mLights[n]); - } - out.EndArray(); - } - - if (ai.HasCameras()) { - out.Key("cameras"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumCameras; ++n) { - Write(out, *ai.mCameras[n]); - } - out.EndArray(); - } - - if (ai.HasTextures()) { - out.Key("textures"); - out.StartArray(); - for (unsigned int n = 0; n < ai.mNumTextures; ++n) { - Write(out, *ai.mTextures[n]); - } - out.EndArray(); - } - out.EndObj(); -} - -void ExportAssimp2Json(const char *file, Assimp::IOSystem *io, const aiScene *scene, const Assimp::ExportProperties *pProperties) { - std::unique_ptr<Assimp::IOStream> str(io->Open(file, "wt")); - if (!str) { - throw DeadlyExportError("could not open output file"); - } - - // get a copy of the scene so we can modify it - aiScene *scenecopy_tmp; - aiCopyScene(scene, &scenecopy_tmp); - - try { - // split meshes so they fit into a 16 bit index buffer - MeshSplitter splitter; - splitter.SetLimit(1 << 16); - splitter.Execute(scenecopy_tmp); - - // XXX Flag_WriteSpecialFloats is turned on by default, right now we don't have a configuration interface for exporters - - unsigned int flags = JSONWriter::Flag_WriteSpecialFloats; - if (pProperties->GetPropertyBool("JSON_SKIP_WHITESPACES", false)) { - flags |= JSONWriter::Flag_SkipWhitespaces; - } - JSONWriter s(*str, flags); - Write(s, *scenecopy_tmp); - - } catch (...) { - aiFreeScene(scenecopy_tmp); - throw; - } - aiFreeScene(scenecopy_tmp); -} - -} // namespace Assimp - -#endif // ASSIMP_BUILD_NO_ASSJSON_EXPORTER -#endif // ASSIMP_BUILD_NO_EXPORT |