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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/X3D/X3DExporter.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/X3D/X3DExporter.cpp | 675 |
1 files changed, 0 insertions, 675 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/X3D/X3DExporter.cpp b/src/mesh/assimp-master/code/AssetLib/X3D/X3DExporter.cpp deleted file mode 100644 index b3278a5..0000000 --- a/src/mesh/assimp-master/code/AssetLib/X3D/X3DExporter.cpp +++ /dev/null @@ -1,675 +0,0 @@ -/// \file X3DExporter.cpp -/// \brief X3D-format files exporter for Assimp. Implementation. -/// \date 2016 -/// \author smal.root@gmail.com - -#ifndef ASSIMP_BUILD_NO_EXPORT -#ifndef ASSIMP_BUILD_NO_X3D_EXPORTER - -#include "X3DExporter.hpp" - -// Header files, Assimp. -#include <assimp/Exceptional.h> -#include <assimp/StringUtils.h> -#include <assimp/Exporter.hpp> -#include <assimp/IOSystem.hpp> - -using namespace std; - -namespace Assimp { - -void ExportSceneX3D(const char *pFile, IOSystem *pIOSystem, const aiScene *pScene, const ExportProperties *pProperties) { - X3DExporter exporter(pFile, pIOSystem, pScene, pProperties); -} - -} // namespace Assimp - -namespace Assimp { - -void X3DExporter::IndentationStringSet(const size_t pNewLevel) { - if (pNewLevel > mIndentationString.size()) { - if (pNewLevel > mIndentationString.capacity()) mIndentationString.reserve(pNewLevel + 1); - - for (size_t i = 0, i_e = pNewLevel - mIndentationString.size(); i < i_e; i++) - mIndentationString.push_back('\t'); - } else if (pNewLevel < mIndentationString.size()) { - mIndentationString.resize(pNewLevel); - } -} - -void X3DExporter::XML_Write(const string &pData) { - if (pData.size() == 0) return; - if (mOutFile->Write((void *)pData.data(), pData.length(), 1) != 1) throw DeadlyExportError("Failed to write scene data!"); -} - -aiMatrix4x4 X3DExporter::Matrix_GlobalToCurrent(const aiNode &pNode) const { - aiNode *cur_node; - std::list<aiMatrix4x4> matr; - aiMatrix4x4 out_matr; - - // starting walk from current element to root - matr.push_back(pNode.mTransformation); - cur_node = pNode.mParent; - if (cur_node != nullptr) { - do { - matr.push_back(cur_node->mTransformation); - cur_node = cur_node->mParent; - } while (cur_node != nullptr); - } - - // multiplicate all matrices in reverse order - for (std::list<aiMatrix4x4>::reverse_iterator rit = matr.rbegin(); rit != matr.rend(); ++rit) - out_matr = out_matr * (*rit); - - return out_matr; -} - -void X3DExporter::AttrHelper_FloatToString(const float pValue, std::string &pTargetString) { - pTargetString = to_string(pValue); - AttrHelper_CommaToPoint(pTargetString); -} - -void X3DExporter::AttrHelper_Vec3DArrToString(const aiVector3D *pArray, const size_t pArray_Size, string &pTargetString) { - pTargetString.clear(); - pTargetString.reserve(pArray_Size * 6); // (Number + space) * 3. - for (size_t idx = 0; idx < pArray_Size; idx++) - pTargetString.append(to_string(pArray[idx].x) + " " + to_string(pArray[idx].y) + " " + to_string(pArray[idx].z) + " "); - - // remove last space symbol. - pTargetString.resize(pTargetString.length() - 1); - AttrHelper_CommaToPoint(pTargetString); -} - -void X3DExporter::AttrHelper_Vec2DArrToString(const aiVector2D *pArray, const size_t pArray_Size, std::string &pTargetString) { - pTargetString.clear(); - pTargetString.reserve(pArray_Size * 4); // (Number + space) * 2. - for (size_t idx = 0; idx < pArray_Size; idx++) - pTargetString.append(to_string(pArray[idx].x) + " " + to_string(pArray[idx].y) + " "); - - // remove last space symbol. - pTargetString.resize(pTargetString.length() - 1); - AttrHelper_CommaToPoint(pTargetString); -} - -void X3DExporter::AttrHelper_Vec3DAsVec2fArrToString(const aiVector3D *pArray, const size_t pArray_Size, string &pTargetString) { - pTargetString.clear(); - pTargetString.reserve(pArray_Size * 4); // (Number + space) * 2. - for (size_t idx = 0; idx < pArray_Size; idx++) - pTargetString.append(to_string(pArray[idx].x) + " " + to_string(pArray[idx].y) + " "); - - // remove last space symbol. - pTargetString.resize(pTargetString.length() - 1); - AttrHelper_CommaToPoint(pTargetString); -} - -void X3DExporter::AttrHelper_Col4DArrToString(const aiColor4D *pArray, const size_t pArray_Size, string &pTargetString) { - pTargetString.clear(); - pTargetString.reserve(pArray_Size * 8); // (Number + space) * 4. - for (size_t idx = 0; idx < pArray_Size; idx++) - pTargetString.append(to_string(pArray[idx].r) + " " + to_string(pArray[idx].g) + " " + to_string(pArray[idx].b) + " " + - to_string(pArray[idx].a) + " "); - - // remove last space symbol. - pTargetString.resize(pTargetString.length() - 1); - AttrHelper_CommaToPoint(pTargetString); -} - -void X3DExporter::AttrHelper_Col3DArrToString(const aiColor3D *pArray, const size_t pArray_Size, std::string &pTargetString) { - pTargetString.clear(); - pTargetString.reserve(pArray_Size * 6); // (Number + space) * 3. - for (size_t idx = 0; idx < pArray_Size; idx++) - pTargetString.append(to_string(pArray[idx].r) + " " + to_string(pArray[idx].g) + " " + to_string(pArray[idx].b) + " "); - - // remove last space symbol. - pTargetString.resize(pTargetString.length() - 1); - AttrHelper_CommaToPoint(pTargetString); -} - -void X3DExporter::AttrHelper_Color3ToAttrList(std::list<SAttribute> &pList, const std::string &pName, const aiColor3D &pValue, const aiColor3D &pDefaultValue) { - string tstr; - - if (pValue == pDefaultValue) return; - - AttrHelper_Col3DArrToString(&pValue, 1, tstr); - pList.push_back({ pName, tstr }); -} - -void X3DExporter::AttrHelper_FloatToAttrList(std::list<SAttribute> &pList, const string &pName, const float pValue, const float pDefaultValue) { - string tstr; - - if (pValue == pDefaultValue) return; - - AttrHelper_FloatToString(pValue, tstr); - pList.push_back({ pName, tstr }); -} - -void X3DExporter::NodeHelper_OpenNode(const string &pNodeName, const size_t pTabLevel, const bool pEmptyElement, const list<SAttribute> &pAttrList) { - // Write indentation. - IndentationStringSet(pTabLevel); - XML_Write(mIndentationString); - // Begin of the element - XML_Write("<" + pNodeName); - // Write attributes - for (const SAttribute &attr : pAttrList) { - XML_Write(" " + attr.Name + "='" + attr.Value + "'"); - } - - // End of the element - if (pEmptyElement) { - XML_Write("/>\n"); - } else { - XML_Write(">\n"); - } -} - -void X3DExporter::NodeHelper_OpenNode(const string &pNodeName, const size_t pTabLevel, const bool pEmptyElement) { - const list<SAttribute> attr_list; - - NodeHelper_OpenNode(pNodeName, pTabLevel, pEmptyElement, attr_list); -} - -void X3DExporter::NodeHelper_CloseNode(const string &pNodeName, const size_t pTabLevel) { - // Write indentation. - IndentationStringSet(pTabLevel); - XML_Write(mIndentationString); - // Write element - XML_Write("</" + pNodeName + ">\n"); -} - -void X3DExporter::Export_Node(const aiNode *pNode, const size_t pTabLevel) { - bool transform = false; - list<SAttribute> attr_list; - - // In Assimp lights is stored in next way: light source store in mScene->mLights and in node tree must present aiNode with name same as - // light source has. Considering it we must compare every aiNode name with light sources names. Why not to look where ligths is present - // and save them to fili? Because corresponding aiNode can be already written to file and we can only add information to file not to edit. - if (CheckAndExport_Light(*pNode, pTabLevel)) return; - - // Check if need DEF. - if (pNode->mName.length) attr_list.push_back({ "DEF", pNode->mName.C_Str() }); - - // Check if need <Transformation> node against <Group>. - if (!pNode->mTransformation.IsIdentity()) { - auto Vector2String = [this](const aiVector3D pVector) -> string { - string tstr = to_string(pVector.x) + " " + to_string(pVector.y) + " " + to_string(pVector.z); - - AttrHelper_CommaToPoint(tstr); - - return tstr; - }; - - auto Rotation2String = [this](const aiVector3D pAxis, const ai_real pAngle) -> string { - string tstr = to_string(pAxis.x) + " " + to_string(pAxis.y) + " " + to_string(pAxis.z) + " " + to_string(pAngle); - - AttrHelper_CommaToPoint(tstr); - - return tstr; - }; - - aiVector3D scale, translate, rotate_axis; - ai_real rotate_angle; - - transform = true; - pNode->mTransformation.Decompose(scale, rotate_axis, rotate_angle, translate); - // Check if values different from default - if ((rotate_angle != 0) && (rotate_axis.Length() > 0)) - attr_list.push_back({ "rotation", Rotation2String(rotate_axis, rotate_angle) }); - - if (!scale.Equal({ 1.0, 1.0, 1.0 })) { - attr_list.push_back({ "scale", Vector2String(scale) }); - } - if (translate.Length() > 0) { - attr_list.push_back({ "translation", Vector2String(translate) }); - } - } - - // Begin node if need. - if (transform) - NodeHelper_OpenNode("Transform", pTabLevel, false, attr_list); - else - NodeHelper_OpenNode("Group", pTabLevel); - - // Export metadata - if (pNode->mMetaData != nullptr) { - for (size_t idx_prop = 0; idx_prop < pNode->mMetaData->mNumProperties; idx_prop++) { - const aiString *key; - const aiMetadataEntry *entry; - - if (pNode->mMetaData->Get(idx_prop, key, entry)) { - switch (entry->mType) { - case AI_BOOL: - Export_MetadataBoolean(*key, *static_cast<bool *>(entry->mData), pTabLevel + 1); - break; - case AI_DOUBLE: - Export_MetadataDouble(*key, *static_cast<double *>(entry->mData), pTabLevel + 1); - break; - case AI_FLOAT: - Export_MetadataFloat(*key, *static_cast<float *>(entry->mData), pTabLevel + 1); - break; - case AI_INT32: - Export_MetadataInteger(*key, *static_cast<int32_t *>(entry->mData), pTabLevel + 1); - break; - case AI_AISTRING: - Export_MetadataString(*key, *static_cast<aiString *>(entry->mData), pTabLevel + 1); - break; - default: - LogError("Unsupported metadata type: " + to_string(entry->mType)); - break; - } // switch(entry->mType) - } - } - } // if(pNode->mMetaData != nullptr) - - // Export meshes. - for (size_t idx_mesh = 0; idx_mesh < pNode->mNumMeshes; idx_mesh++) - Export_Mesh(pNode->mMeshes[idx_mesh], pTabLevel + 1); - // Export children. - for (size_t idx_node = 0; idx_node < pNode->mNumChildren; idx_node++) - Export_Node(pNode->mChildren[idx_node], pTabLevel + 1); - - // End node if need. - if (transform) - NodeHelper_CloseNode("Transform", pTabLevel); - else - NodeHelper_CloseNode("Group", pTabLevel); -} - -void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) { - const char *NodeName_IFS = "IndexedFaceSet"; - const char *NodeName_Shape = "Shape"; - - list<SAttribute> attr_list; - aiMesh &mesh = *mScene->mMeshes[pIdxMesh]; // create alias for convenience. - - // Check if mesh already defined early. - if (mDEF_Map_Mesh.find(pIdxMesh) != mDEF_Map_Mesh.end()) { - // Mesh already defined, just refer to it - attr_list.push_back({ "USE", mDEF_Map_Mesh.at(pIdxMesh) }); - NodeHelper_OpenNode(NodeName_Shape, pTabLevel, true, attr_list); - - return; - } - - string mesh_name(mesh.mName.C_Str() + string("_IDX_") + to_string(pIdxMesh)); // Create mesh name - - // Define mesh name. - attr_list.push_back({ "DEF", mesh_name }); - mDEF_Map_Mesh[pIdxMesh] = mesh_name; - - // - // "Shape" node. - // - NodeHelper_OpenNode(NodeName_Shape, pTabLevel, false, attr_list); - attr_list.clear(); - - // - // "Appearance" node. - // - Export_Material(mesh.mMaterialIndex, pTabLevel + 1); - - // - // "IndexedFaceSet" node. - // - // Fill attributes which differ from default. In Assimp for colors, vertices and normals used one indices set. So, only "coordIndex" must be set. - string coordIndex; - - // fill coordinates index. - coordIndex.reserve(mesh.mNumVertices * 4); // Index + space + Face delimiter - for (size_t idx_face = 0; idx_face < mesh.mNumFaces; idx_face++) { - const aiFace &face_cur = mesh.mFaces[idx_face]; - - for (size_t idx_vert = 0; idx_vert < face_cur.mNumIndices; idx_vert++) { - coordIndex.append(to_string(face_cur.mIndices[idx_vert]) + " "); - } - - coordIndex.append("-1 "); // face delimiter. - } - - // remove last space symbol. - coordIndex.resize(coordIndex.length() - 1); - attr_list.push_back({ "coordIndex", coordIndex }); - // create node - NodeHelper_OpenNode(NodeName_IFS, pTabLevel + 1, false, attr_list); - attr_list.clear(); - // Child nodes for "IndexedFaceSet" needed when used colors, textures or normals. - string attr_value; - - // Export <Coordinate> - AttrHelper_Vec3DArrToString(mesh.mVertices, mesh.mNumVertices, attr_value); - attr_list.push_back({ "point", attr_value }); - NodeHelper_OpenNode("Coordinate", pTabLevel + 2, true, attr_list); - attr_list.clear(); - - // Export <ColorRGBA> - if (mesh.HasVertexColors(0)) { - AttrHelper_Col4DArrToString(mesh.mColors[0], mesh.mNumVertices, attr_value); - attr_list.push_back({ "color", attr_value }); - NodeHelper_OpenNode("ColorRGBA", pTabLevel + 2, true, attr_list); - attr_list.clear(); - } - - // Export <TextureCoordinate> - if (mesh.HasTextureCoords(0)) { - AttrHelper_Vec3DAsVec2fArrToString(mesh.mTextureCoords[0], mesh.mNumVertices, attr_value); - attr_list.push_back({ "point", attr_value }); - NodeHelper_OpenNode("TextureCoordinate", pTabLevel + 2, true, attr_list); - attr_list.clear(); - } - - // Export <Normal> - if (mesh.HasNormals()) { - AttrHelper_Vec3DArrToString(mesh.mNormals, mesh.mNumVertices, attr_value); - attr_list.push_back({ "vector", attr_value }); - NodeHelper_OpenNode("Normal", pTabLevel + 2, true, attr_list); - attr_list.clear(); - } - - // - // Close opened nodes. - // - NodeHelper_CloseNode(NodeName_IFS, pTabLevel + 1); - NodeHelper_CloseNode(NodeName_Shape, pTabLevel); -} - -void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLevel) { - const char *NodeName_A = "Appearance"; - - list<SAttribute> attr_list; - aiMaterial &material = *mScene->mMaterials[pIdxMaterial]; // create alias for convenience. - - // Check if material already defined early. - if (mDEF_Map_Material.find(pIdxMaterial) != mDEF_Map_Material.end()) { - // Material already defined, just refer to it - attr_list.push_back({ "USE", mDEF_Map_Material.at(pIdxMaterial) }); - NodeHelper_OpenNode(NodeName_A, pTabLevel, true, attr_list); - - return; - } - - string material_name(string("_IDX_") + to_string(pIdxMaterial)); // Create material name - aiString ai_mat_name; - - if (material.Get(AI_MATKEY_NAME, ai_mat_name) == AI_SUCCESS) material_name.insert(0, ai_mat_name.C_Str()); - - // Define material name. - attr_list.push_back({ "DEF", material_name }); - mDEF_Map_Material[pIdxMaterial] = material_name; - - // - // "Appearance" node. - // - NodeHelper_OpenNode(NodeName_A, pTabLevel, false, attr_list); - attr_list.clear(); - - // - // "Material" node. - // - { - auto Color4ToAttrList = [&](const string &pAttrName, const aiColor4D &pAttrValue, const aiColor3D &pAttrDefaultValue) { - string tstr; - - if (aiColor3D(pAttrValue.r, pAttrValue.g, pAttrValue.b) != pAttrDefaultValue) { - AttrHelper_Col4DArrToString(&pAttrValue, 1, tstr); - attr_list.push_back({ pAttrName, tstr }); - } - }; - - float tvalf; - aiColor3D color3; - aiColor4D color4; - - // ambientIntensity="0.2" SFFloat [inputOutput] - if (material.Get(AI_MATKEY_COLOR_AMBIENT, color3) == AI_SUCCESS) - AttrHelper_FloatToAttrList(attr_list, "ambientIntensity", (color3.r + color3.g + color3.b) / 3.0f, 0.2f); - else if (material.Get(AI_MATKEY_COLOR_AMBIENT, color4) == AI_SUCCESS) - AttrHelper_FloatToAttrList(attr_list, "ambientIntensity", (color4.r + color4.g + color4.b) / 3.0f, 0.2f); - - // diffuseColor="0.8 0.8 0.8" SFColor [inputOutput] - if (material.Get(AI_MATKEY_COLOR_DIFFUSE, color3) == AI_SUCCESS) - AttrHelper_Color3ToAttrList(attr_list, "diffuseColor", color3, aiColor3D(0.8f, 0.8f, 0.8f)); - else if (material.Get(AI_MATKEY_COLOR_DIFFUSE, color4) == AI_SUCCESS) - Color4ToAttrList("diffuseColor", color4, aiColor3D(0.8f, 0.8f, 0.8f)); - - // emissiveColor="0 0 0" SFColor [inputOutput] - if (material.Get(AI_MATKEY_COLOR_EMISSIVE, color3) == AI_SUCCESS) - AttrHelper_Color3ToAttrList(attr_list, "emissiveColor", color3, aiColor3D(0, 0, 0)); - else if (material.Get(AI_MATKEY_COLOR_EMISSIVE, color4) == AI_SUCCESS) - Color4ToAttrList("emissiveColor", color4, aiColor3D(0, 0, 0)); - - // shininess="0.2" SFFloat [inputOutput] - if (material.Get(AI_MATKEY_SHININESS, tvalf) == AI_SUCCESS) AttrHelper_FloatToAttrList(attr_list, "shininess", tvalf, 0.2f); - - // specularColor="0 0 0" SFColor [inputOutput] - if (material.Get(AI_MATKEY_COLOR_SPECULAR, color3) == AI_SUCCESS) - AttrHelper_Color3ToAttrList(attr_list, "specularColor", color3, aiColor3D(0, 0, 0)); - else if (material.Get(AI_MATKEY_COLOR_SPECULAR, color4) == AI_SUCCESS) - Color4ToAttrList("specularColor", color4, aiColor3D(0, 0, 0)); - - // transparency="0" SFFloat [inputOutput] - if (material.Get(AI_MATKEY_OPACITY, tvalf) == AI_SUCCESS) { - if (tvalf > 1) tvalf = 1; - - tvalf = 1.0f - tvalf; - AttrHelper_FloatToAttrList(attr_list, "transparency", tvalf, 0); - } - - NodeHelper_OpenNode("Material", pTabLevel + 1, true, attr_list); - attr_list.clear(); - } // "Material" node. END. - - // - // "ImageTexture" node. - // - { - auto RepeatToAttrList = [&](const string &pAttrName, const bool pAttrValue) { - if (!pAttrValue) attr_list.push_back({ pAttrName, "false" }); - }; - - bool tvalb; - aiString tstring; - - // url="" MFString - if (material.Get(AI_MATKEY_TEXTURE_DIFFUSE(0), tstring) == AI_SUCCESS) { - if (strncmp(tstring.C_Str(), AI_EMBEDDED_TEXNAME_PREFIX, strlen(AI_EMBEDDED_TEXNAME_PREFIX)) == 0) - LogError("Embedded texture is not supported"); - else - attr_list.push_back({ "url", string("\"") + tstring.C_Str() + "\"" }); - } - - // repeatS="true" SFBool - if (material.Get(AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0), tvalb) == AI_SUCCESS) RepeatToAttrList("repeatS", tvalb); - - // repeatT="true" SFBool - if (material.Get(AI_MATKEY_MAPPINGMODE_V_DIFFUSE(0), tvalb) == AI_SUCCESS) RepeatToAttrList("repeatT", tvalb); - - NodeHelper_OpenNode("ImageTexture", pTabLevel + 1, true, attr_list); - attr_list.clear(); - } // "ImageTexture" node. END. - - // - // "TextureTransform" node. - // - { - auto Vec2ToAttrList = [&](const string &pAttrName, const aiVector2D &pAttrValue, const aiVector2D &pAttrDefaultValue) { - string tstr; - - if (pAttrValue != pAttrDefaultValue) { - AttrHelper_Vec2DArrToString(&pAttrValue, 1, tstr); - attr_list.push_back({ pAttrName, tstr }); - } - }; - - aiUVTransform transform; - - if (material.Get(AI_MATKEY_UVTRANSFORM_DIFFUSE(0), transform) == AI_SUCCESS) { - Vec2ToAttrList("translation", transform.mTranslation, aiVector2D(0, 0)); - AttrHelper_FloatToAttrList(attr_list, "rotation", transform.mRotation, 0); - Vec2ToAttrList("scale", transform.mScaling, aiVector2D(1, 1)); - - NodeHelper_OpenNode("TextureTransform", pTabLevel + 1, true, attr_list); - attr_list.clear(); - } - } // "TextureTransform" node. END. - - // - // Close opened nodes. - // - NodeHelper_CloseNode(NodeName_A, pTabLevel); -} - -void X3DExporter::Export_MetadataBoolean(const aiString &pKey, const bool pValue, const size_t pTabLevel) { - list<SAttribute> attr_list; - - attr_list.push_back({ "name", pKey.C_Str() }); - attr_list.push_back({ "value", pValue ? "true" : "false" }); - NodeHelper_OpenNode("MetadataBoolean", pTabLevel, true, attr_list); -} - -void X3DExporter::Export_MetadataDouble(const aiString &pKey, const double pValue, const size_t pTabLevel) { - list<SAttribute> attr_list; - - attr_list.push_back({ "name", pKey.C_Str() }); - attr_list.push_back({ "value", to_string(pValue) }); - NodeHelper_OpenNode("MetadataDouble", pTabLevel, true, attr_list); -} - -void X3DExporter::Export_MetadataFloat(const aiString &pKey, const float pValue, const size_t pTabLevel) { - list<SAttribute> attr_list; - - attr_list.push_back({ "name", pKey.C_Str() }); - attr_list.push_back({ "value", to_string(pValue) }); - NodeHelper_OpenNode("MetadataFloat", pTabLevel, true, attr_list); -} - -void X3DExporter::Export_MetadataInteger(const aiString &pKey, const int32_t pValue, const size_t pTabLevel) { - list<SAttribute> attr_list; - - attr_list.push_back({ "name", pKey.C_Str() }); - attr_list.push_back({ "value", to_string(pValue) }); - NodeHelper_OpenNode("MetadataInteger", pTabLevel, true, attr_list); -} - -void X3DExporter::Export_MetadataString(const aiString &pKey, const aiString &pValue, const size_t pTabLevel) { - list<SAttribute> attr_list; - - attr_list.push_back({ "name", pKey.C_Str() }); - attr_list.push_back({ "value", pValue.C_Str() }); - NodeHelper_OpenNode("MetadataString", pTabLevel, true, attr_list); -} - -bool X3DExporter::CheckAndExport_Light(const aiNode &pNode, const size_t pTabLevel) { - list<SAttribute> attr_list; - - auto Vec3ToAttrList = [&](const string &pAttrName, const aiVector3D &pAttrValue, const aiVector3D &pAttrDefaultValue) { - string tstr; - - if (pAttrValue != pAttrDefaultValue) { - AttrHelper_Vec3DArrToString(&pAttrValue, 1, tstr); - attr_list.push_back({ pAttrName, tstr }); - } - }; - - size_t idx_light; - bool found = false; - - // Name of the light source can not be empty. - if (pNode.mName.length == 0) return false; - - // search for light with name like node has. - for (idx_light = 0; mScene->mNumLights; idx_light++) { - if (pNode.mName == mScene->mLights[idx_light]->mName) { - found = true; - break; - } - } - - if (!found) return false; - - // Light source is found. - const aiLight &light = *mScene->mLights[idx_light]; // Alias for convenience. - - aiMatrix4x4 trafo_mat = Matrix_GlobalToCurrent(pNode).Inverse(); - - attr_list.push_back({ "DEF", light.mName.C_Str() }); - attr_list.push_back({ "global", "true" }); // "false" is not supported. - // ambientIntensity="0" SFFloat [inputOutput] - AttrHelper_FloatToAttrList(attr_list, "ambientIntensity", aiVector3D(light.mColorAmbient.r, light.mColorAmbient.g, light.mColorAmbient.b).Length(), 0); - // color="1 1 1" SFColor [inputOutput] - AttrHelper_Color3ToAttrList(attr_list, "color", light.mColorDiffuse, aiColor3D(1, 1, 1)); - - switch (light.mType) { - case aiLightSource_DIRECTIONAL: { - aiVector3D direction = trafo_mat * light.mDirection; - - Vec3ToAttrList("direction", direction, aiVector3D(0, 0, -1)); - NodeHelper_OpenNode("DirectionalLight", pTabLevel, true, attr_list); - } - - break; - case aiLightSource_POINT: { - aiVector3D attenuation(light.mAttenuationConstant, light.mAttenuationLinear, light.mAttenuationQuadratic); - aiVector3D location = trafo_mat * light.mPosition; - - Vec3ToAttrList("attenuation", attenuation, aiVector3D(1, 0, 0)); - Vec3ToAttrList("location", location, aiVector3D(0, 0, 0)); - NodeHelper_OpenNode("PointLight", pTabLevel, true, attr_list); - } - - break; - case aiLightSource_SPOT: { - aiVector3D attenuation(light.mAttenuationConstant, light.mAttenuationLinear, light.mAttenuationQuadratic); - aiVector3D location = trafo_mat * light.mPosition; - aiVector3D direction = trafo_mat * light.mDirection; - - Vec3ToAttrList("attenuation", attenuation, aiVector3D(1, 0, 0)); - Vec3ToAttrList("location", location, aiVector3D(0, 0, 0)); - Vec3ToAttrList("direction", direction, aiVector3D(0, 0, -1)); - AttrHelper_FloatToAttrList(attr_list, "beamWidth", light.mAngleInnerCone, 0.7854f); - AttrHelper_FloatToAttrList(attr_list, "cutOffAngle", light.mAngleOuterCone, 1.570796f); - NodeHelper_OpenNode("SpotLight", pTabLevel, true, attr_list); - } - - break; - default: - throw DeadlyExportError("Unknown light type: " + to_string(light.mType)); - } // switch(light.mType) - - return true; -} - -X3DExporter::X3DExporter(const char *pFileName, IOSystem *pIOSystem, const aiScene *pScene, const ExportProperties * /*pProperties*/) : - mScene(pScene) { - list<SAttribute> attr_list; - - mOutFile = pIOSystem->Open(pFileName, "wt"); - if (mOutFile == nullptr) throw DeadlyExportError("Could not open output .x3d file: " + string(pFileName)); - - // Begin document - XML_Write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"); - XML_Write("<!DOCTYPE X3D PUBLIC \"ISO//Web3D//DTD X3D 3.3//EN\" \"http://www.web3d.org/specifications/x3d-3.3.dtd\">\n"); - // Root node - attr_list.push_back({ "profile", "Interchange" }); - attr_list.push_back({ "version", "3.3" }); - attr_list.push_back({ "xmlns:xsd", "http://www.w3.org/2001/XMLSchema-instance" }); - attr_list.push_back({ "xsd:noNamespaceSchemaLocation", "http://www.web3d.org/specifications/x3d-3.3.xsd" }); - NodeHelper_OpenNode("X3D", 0, false, attr_list); - attr_list.clear(); - // <head>: meta data. - NodeHelper_OpenNode("head", 1); - XML_Write(mIndentationString + "<!-- All \"meta\" from this section tou will found in <Scene> node as MetadataString nodes. -->\n"); - NodeHelper_CloseNode("head", 1); - // Scene node. - NodeHelper_OpenNode("Scene", 1); - Export_Node(mScene->mRootNode, 2); - NodeHelper_CloseNode("Scene", 1); - // Close Root node. - NodeHelper_CloseNode("X3D", 0); - // Cleanup - pIOSystem->Close(mOutFile); - mOutFile = nullptr; -} - -} // namespace Assimp - -#endif // ASSIMP_BUILD_NO_X3D_EXPORTER -#endif // ASSIMP_BUILD_NO_EXPORT |