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Diffstat (limited to 'src/3rdparty/assimp/code/AMFImporter_Postprocess.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/AMFImporter_Postprocess.cpp | 976 |
1 files changed, 0 insertions, 976 deletions
diff --git a/src/3rdparty/assimp/code/AMFImporter_Postprocess.cpp b/src/3rdparty/assimp/code/AMFImporter_Postprocess.cpp deleted file mode 100644 index 991eb97e7..000000000 --- a/src/3rdparty/assimp/code/AMFImporter_Postprocess.cpp +++ /dev/null @@ -1,976 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2017, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the following -conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ---------------------------------------------------------------------------- -*/ - -/// \file AMFImporter_Postprocess.cpp -/// \brief Convert built scenegraph and objects to Assimp scenegraph. -/// \date 2016 -/// \author smal.root@gmail.com - -#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER - -#include "AMFImporter.hpp" - -// Header files, Assimp. -#include <assimp/SceneCombiner.h> -#include "StandardShapes.h" -#include "StringUtils.h" - -// Header files, stdlib. -#include <iterator> - -namespace Assimp -{ - -aiColor4D AMFImporter::SPP_Material::GetColor(const float /*pX*/, const float /*pY*/, const float /*pZ*/) const -{ - aiColor4D tcol; - - // Check if stored data are supported. - if(Composition.size() != 0) - { - throw DeadlyImportError("IME. GetColor for composition"); - } - else if(Color->Composed) - { - throw DeadlyImportError("IME. GetColor, composed color"); - } - else - { - tcol = Color->Color; - } - - // Check if default color must be used - if((tcol.r == 0) && (tcol.g == 0) && (tcol.b == 0) && (tcol.a == 0)) - { - tcol.r = 0.5f; - tcol.g = 0.5f; - tcol.b = 0.5f; - tcol.a = 1; - } - - return tcol; -} - -void AMFImporter::PostprocessHelper_CreateMeshDataArray(const CAMFImporter_NodeElement_Mesh& pNodeElement, std::vector<aiVector3D>& pVertexCoordinateArray, - std::vector<CAMFImporter_NodeElement_Color*>& pVertexColorArray) const -{ - CAMFImporter_NodeElement_Vertices* vn = nullptr; - size_t col_idx; - - // All data stored in "vertices", search for it. - for(CAMFImporter_NodeElement* ne_child: pNodeElement.Child) - { - if(ne_child->Type == CAMFImporter_NodeElement::ENET_Vertices) vn = (CAMFImporter_NodeElement_Vertices*)ne_child; - } - - // If "vertices" not found then no work for us. - if(vn == nullptr) return; - - pVertexCoordinateArray.reserve(vn->Child.size());// all coordinates stored as child and we need to reserve space for future push_back's. - pVertexColorArray.resize(vn->Child.size());// colors count equal vertices count. - col_idx = 0; - // Inside vertices collect all data and place to arrays - for(CAMFImporter_NodeElement* vn_child: vn->Child) - { - // vertices, colors - if(vn_child->Type == CAMFImporter_NodeElement::ENET_Vertex) - { - // by default clear color for current vertex - pVertexColorArray[col_idx] = nullptr; - - for(CAMFImporter_NodeElement* vtx: vn_child->Child) - { - if(vtx->Type == CAMFImporter_NodeElement::ENET_Coordinates) - { - pVertexCoordinateArray.push_back(((CAMFImporter_NodeElement_Coordinates*)vtx)->Coordinate); - - continue; - } - - if(vtx->Type == CAMFImporter_NodeElement::ENET_Color) - { - pVertexColorArray[col_idx] = (CAMFImporter_NodeElement_Color*)vtx; - - continue; - } - }// for(CAMFImporter_NodeElement* vtx: vn_child->Child) - - col_idx++; - }// if(vn_child->Type == CAMFImporter_NodeElement::ENET_Vertex) - }// for(CAMFImporter_NodeElement* vn_child: vn->Child) -} - -size_t AMFImporter::PostprocessHelper_GetTextureID_Or_Create(const std::string& pID_R, const std::string& pID_G, const std::string& pID_B, - const std::string& pID_A) -{ - size_t TextureConverted_Index; - std::string TextureConverted_ID; - - // check input data - if(pID_R.empty() && pID_G.empty() && pID_B.empty() && pID_A.empty()) - throw DeadlyImportError("PostprocessHelper_GetTextureID_Or_Create. At least one texture ID must be defined."); - - // Create ID - TextureConverted_ID = pID_R + "_" + pID_G + "_" + pID_B + "_" + pID_A; - // Check if texture specified by set of IDs is converted already. - TextureConverted_Index = 0; - for(const SPP_Texture& tex_convd: mTexture_Converted) - { - if(tex_convd.ID == TextureConverted_ID) - return TextureConverted_Index; - else - TextureConverted_Index++; - } - - // - // Converted texture not found, create it. - // - CAMFImporter_NodeElement_Texture* src_texture[4]{nullptr}; - std::vector<CAMFImporter_NodeElement_Texture*> src_texture_4check; - SPP_Texture converted_texture; - - {// find all specified source textures - CAMFImporter_NodeElement* t_tex; - - // R - if(!pID_R.empty()) - { - if(!Find_NodeElement(pID_R, CAMFImporter_NodeElement::ENET_Texture, &t_tex)) Throw_ID_NotFound(pID_R); - - src_texture[0] = (CAMFImporter_NodeElement_Texture*)t_tex; - src_texture_4check.push_back((CAMFImporter_NodeElement_Texture*)t_tex); - } - else - { - src_texture[0] = nullptr; - } - - // G - if(!pID_G.empty()) - { - if(!Find_NodeElement(pID_G, CAMFImporter_NodeElement::ENET_Texture, &t_tex)) Throw_ID_NotFound(pID_G); - - src_texture[1] = (CAMFImporter_NodeElement_Texture*)t_tex; - src_texture_4check.push_back((CAMFImporter_NodeElement_Texture*)t_tex); - } - else - { - src_texture[1] = nullptr; - } - - // B - if(!pID_B.empty()) - { - if(!Find_NodeElement(pID_B, CAMFImporter_NodeElement::ENET_Texture, &t_tex)) Throw_ID_NotFound(pID_B); - - src_texture[2] = (CAMFImporter_NodeElement_Texture*)t_tex; - src_texture_4check.push_back((CAMFImporter_NodeElement_Texture*)t_tex); - } - else - { - src_texture[2] = nullptr; - } - - // A - if(!pID_A.empty()) - { - if(!Find_NodeElement(pID_A, CAMFImporter_NodeElement::ENET_Texture, &t_tex)) Throw_ID_NotFound(pID_A); - - src_texture[3] = (CAMFImporter_NodeElement_Texture*)t_tex; - src_texture_4check.push_back((CAMFImporter_NodeElement_Texture*)t_tex); - } - else - { - src_texture[3] = nullptr; - } - }// END: find all specified source textures - - // check that all textures has same size - if(src_texture_4check.size() > 1) - { - for (size_t i = 0, i_e = (src_texture_4check.size() - 1); i < i_e; i++) - { - if((src_texture_4check[i]->Width != src_texture_4check[i + 1]->Width) || (src_texture_4check[i]->Height != src_texture_4check[i + 1]->Height) || - (src_texture_4check[i]->Depth != src_texture_4check[i + 1]->Depth)) - { - throw DeadlyImportError("PostprocessHelper_GetTextureID_Or_Create. Source texture must has the same size."); - } - } - }// if(src_texture_4check.size() > 1) - - // set texture attributes - converted_texture.Width = src_texture_4check[0]->Width; - converted_texture.Height = src_texture_4check[0]->Height; - converted_texture.Depth = src_texture_4check[0]->Depth; - // if one of source texture is tiled then converted texture is tiled too. - converted_texture.Tiled = false; - for(uint8_t i = 0; i < src_texture_4check.size(); i++) converted_texture.Tiled |= src_texture_4check[i]->Tiled; - - // Create format hint. - strcpy(converted_texture.FormatHint, "rgba0000");// copy initial string. - if(!pID_R.empty()) converted_texture.FormatHint[4] = '8'; - if(!pID_G.empty()) converted_texture.FormatHint[5] = '8'; - if(!pID_B.empty()) converted_texture.FormatHint[6] = '8'; - if(!pID_A.empty()) converted_texture.FormatHint[7] = '8'; - - // - // Сopy data of textures. - // - size_t tex_size = 0; - size_t step = 0; - size_t off_g = 0; - size_t off_b = 0; - - // Calculate size of the target array and rule how data will be copied. - if(!pID_R.empty() && nullptr != src_texture[ 0 ] ) { - tex_size += src_texture[0]->Data.size(); step++, off_g++, off_b++; - } - if(!pID_G.empty() && nullptr != src_texture[ 1 ] ) { - tex_size += src_texture[1]->Data.size(); step++, off_b++; - } - if(!pID_B.empty() && nullptr != src_texture[ 2 ] ) { - tex_size += src_texture[2]->Data.size(); step++; - } - if(!pID_A.empty() && nullptr != src_texture[ 3 ] ) { - tex_size += src_texture[3]->Data.size(); step++; - } - - // Create target array. - converted_texture.Data = new uint8_t[tex_size]; - // And copy data - auto CopyTextureData = [&](const std::string& pID, const size_t pOffset, const size_t pStep, const uint8_t pSrcTexNum) -> void - { - if(!pID.empty()) - { - for(size_t idx_target = pOffset, idx_src = 0; idx_target < tex_size; idx_target += pStep, idx_src++) { - CAMFImporter_NodeElement_Texture* tex = src_texture[pSrcTexNum]; - ai_assert(tex); - converted_texture.Data[idx_target] = tex->Data.at(idx_src); - } - } - };// auto CopyTextureData = [&](const size_t pOffset, const size_t pStep, const uint8_t pSrcTexNum) -> void - - CopyTextureData(pID_R, 0, step, 0); - CopyTextureData(pID_G, off_g, step, 1); - CopyTextureData(pID_B, off_b, step, 2); - CopyTextureData(pID_A, step - 1, step, 3); - - // Store new converted texture ID - converted_texture.ID = TextureConverted_ID; - // Store new converted texture - mTexture_Converted.push_back(converted_texture); - - return TextureConverted_Index; -} - -void AMFImporter::PostprocessHelper_SplitFacesByTextureID(std::list<SComplexFace>& pInputList, std::list<std::list<SComplexFace> >& pOutputList_Separated) -{ - auto texmap_is_equal = [](const CAMFImporter_NodeElement_TexMap* pTexMap1, const CAMFImporter_NodeElement_TexMap* pTexMap2) -> bool - { - if((pTexMap1 == nullptr) && (pTexMap2 == nullptr)) return true; - if(pTexMap1 == nullptr) return false; - if(pTexMap2 == nullptr) return false; - - if(pTexMap1->TextureID_R != pTexMap2->TextureID_R) return false; - if(pTexMap1->TextureID_G != pTexMap2->TextureID_G) return false; - if(pTexMap1->TextureID_B != pTexMap2->TextureID_B) return false; - if(pTexMap1->TextureID_A != pTexMap2->TextureID_A) return false; - - return true; - }; - - pOutputList_Separated.clear(); - if(pInputList.size() == 0) return; - - do - { - SComplexFace face_start = pInputList.front(); - std::list<SComplexFace> face_list_cur; - - for(std::list<SComplexFace>::iterator it = pInputList.begin(), it_end = pInputList.end(); it != it_end;) - { - if(texmap_is_equal(face_start.TexMap, it->TexMap)) - { - auto it_old = it; - - it++; - face_list_cur.push_back(*it_old); - pInputList.erase(it_old); - } - else - { - it++; - } - } - - if(face_list_cur.size() > 0) pOutputList_Separated.push_back(face_list_cur); - - } while(pInputList.size() > 0); -} - -void AMFImporter::Postprocess_AddMetadata(const std::list<CAMFImporter_NodeElement_Metadata*>& metadataList, aiNode& sceneNode) const -{ - if ( !metadataList.empty() ) - { - if(sceneNode.mMetaData != nullptr) throw DeadlyImportError("Postprocess. MetaData member in node are not nullptr. Something went wrong."); - - // copy collected metadata to output node. - sceneNode.mMetaData = aiMetadata::Alloc( static_cast<unsigned int>(metadataList.size()) ); - size_t meta_idx( 0 ); - - for(const CAMFImporter_NodeElement_Metadata& metadata: metadataList) - { - sceneNode.mMetaData->Set(static_cast<unsigned int>(meta_idx++), metadata.Type, aiString(metadata.Value)); - } - }// if(!metadataList.empty()) -} - -void AMFImporter::Postprocess_BuildNodeAndObject(const CAMFImporter_NodeElement_Object& pNodeElement, std::list<aiMesh*>& pMeshList, aiNode** pSceneNode) -{ -CAMFImporter_NodeElement_Color* object_color = nullptr; - - // create new aiNode and set name as <object> has. - *pSceneNode = new aiNode; - (*pSceneNode)->mName = pNodeElement.ID; - // read mesh and color - for(const CAMFImporter_NodeElement* ne_child: pNodeElement.Child) - { - std::vector<aiVector3D> vertex_arr; - std::vector<CAMFImporter_NodeElement_Color*> color_arr; - - // color for object - if(ne_child->Type == CAMFImporter_NodeElement::ENET_Color) object_color = (CAMFImporter_NodeElement_Color*)ne_child; - - if(ne_child->Type == CAMFImporter_NodeElement::ENET_Mesh) - { - // Create arrays from children of mesh: vertices. - PostprocessHelper_CreateMeshDataArray(*((CAMFImporter_NodeElement_Mesh*)ne_child), vertex_arr, color_arr); - // Use this arrays as a source when creating every aiMesh - Postprocess_BuildMeshSet(*((CAMFImporter_NodeElement_Mesh*)ne_child), vertex_arr, color_arr, object_color, pMeshList, **pSceneNode); - } - }// for(const CAMFImporter_NodeElement* ne_child: pNodeElement) -} - -void AMFImporter::Postprocess_BuildMeshSet(const CAMFImporter_NodeElement_Mesh& pNodeElement, const std::vector<aiVector3D>& pVertexCoordinateArray, - const std::vector<CAMFImporter_NodeElement_Color*>& pVertexColorArray, - const CAMFImporter_NodeElement_Color* pObjectColor, std::list<aiMesh*>& pMeshList, aiNode& pSceneNode) -{ -std::list<unsigned int> mesh_idx; - - // all data stored in "volume", search for it. - for(const CAMFImporter_NodeElement* ne_child: pNodeElement.Child) - { - const CAMFImporter_NodeElement_Color* ne_volume_color = nullptr; - const SPP_Material* cur_mat = nullptr; - - if(ne_child->Type == CAMFImporter_NodeElement::ENET_Volume) - { - /******************* Get faces *******************/ - const CAMFImporter_NodeElement_Volume* ne_volume = reinterpret_cast<const CAMFImporter_NodeElement_Volume*>(ne_child); - - std::list<SComplexFace> complex_faces_list;// List of the faces of the volume. - std::list<std::list<SComplexFace> > complex_faces_toplist;// List of the face list for every mesh. - - // check if volume use material - if(!ne_volume->MaterialID.empty()) - { - if(!Find_ConvertedMaterial(ne_volume->MaterialID, &cur_mat)) Throw_ID_NotFound(ne_volume->MaterialID); - } - - // inside "volume" collect all data and place to arrays or create new objects - for(const CAMFImporter_NodeElement* ne_volume_child: ne_volume->Child) - { - // color for volume - if(ne_volume_child->Type == CAMFImporter_NodeElement::ENET_Color) - { - ne_volume_color = reinterpret_cast<const CAMFImporter_NodeElement_Color*>(ne_volume_child); - } - else if(ne_volume_child->Type == CAMFImporter_NodeElement::ENET_Triangle)// triangles, triangles colors - { - const CAMFImporter_NodeElement_Triangle& tri_al = *reinterpret_cast<const CAMFImporter_NodeElement_Triangle*>(ne_volume_child); - - SComplexFace complex_face; - - // initialize pointers - complex_face.Color = nullptr; - complex_face.TexMap = nullptr; - // get data from triangle children: color, texture coordinates. - if(tri_al.Child.size()) - { - for(const CAMFImporter_NodeElement* ne_triangle_child: tri_al.Child) - { - if(ne_triangle_child->Type == CAMFImporter_NodeElement::ENET_Color) - complex_face.Color = reinterpret_cast<const CAMFImporter_NodeElement_Color*>(ne_triangle_child); - else if(ne_triangle_child->Type == CAMFImporter_NodeElement::ENET_TexMap) - complex_face.TexMap = reinterpret_cast<const CAMFImporter_NodeElement_TexMap*>(ne_triangle_child); - } - }// if(tri_al.Child.size()) - - // create new face and store it. - complex_face.Face.mNumIndices = 3; - complex_face.Face.mIndices = new unsigned int[3]; - complex_face.Face.mIndices[0] = static_cast<unsigned int>(tri_al.V[0]); - complex_face.Face.mIndices[1] = static_cast<unsigned int>(tri_al.V[1]); - complex_face.Face.mIndices[2] = static_cast<unsigned int>(tri_al.V[2]); - complex_faces_list.push_back(complex_face); - } - }// for(const CAMFImporter_NodeElement* ne_volume_child: ne_volume->Child) - - /**** Split faces list: one list per mesh ****/ - PostprocessHelper_SplitFacesByTextureID(complex_faces_list, complex_faces_toplist); - - /***** Create mesh for every faces list ******/ - for(std::list<SComplexFace>& face_list_cur: complex_faces_toplist) - { - auto VertexIndex_GetMinimal = [](const std::list<SComplexFace>& pFaceList, const size_t* pBiggerThan) -> size_t - { - size_t rv; - - if(pBiggerThan != nullptr) - { - bool found = false; - - for(const SComplexFace& face: pFaceList) - { - for(size_t idx_vert = 0; idx_vert < face.Face.mNumIndices; idx_vert++) - { - if(face.Face.mIndices[idx_vert] > *pBiggerThan) - { - rv = face.Face.mIndices[idx_vert]; - found = true; - - break; - } - } - - if(found) break; - } - - if(!found) return *pBiggerThan; - } - else - { - rv = pFaceList.front().Face.mIndices[0]; - }// if(pBiggerThan != nullptr) else - - for(const SComplexFace& face: pFaceList) - { - for(size_t vi = 0; vi < face.Face.mNumIndices; vi++) - { - if(face.Face.mIndices[vi] < rv) - { - if(pBiggerThan != nullptr) - { - if(face.Face.mIndices[vi] > *pBiggerThan) rv = face.Face.mIndices[vi]; - } - else - { - rv = face.Face.mIndices[vi]; - } - } - } - }// for(const SComplexFace& face: pFaceList) - - return rv; - };// auto VertexIndex_GetMinimal = [](const std::list<SComplexFace>& pFaceList, const size_t* pBiggerThan) -> size_t - - auto VertexIndex_Replace = [](std::list<SComplexFace>& pFaceList, const size_t pIdx_From, const size_t pIdx_To) -> void - { - for(const SComplexFace& face: pFaceList) - { - for(size_t vi = 0; vi < face.Face.mNumIndices; vi++) - { - if(face.Face.mIndices[vi] == pIdx_From) face.Face.mIndices[vi] = static_cast<unsigned int>(pIdx_To); - } - } - };// auto VertexIndex_Replace = [](std::list<SComplexFace>& pFaceList, const size_t pIdx_From, const size_t pIdx_To) -> void - - auto Vertex_CalculateColor = [&](const size_t pIdx) -> aiColor4D - { - // Color priorities(In descending order): - // 1. triangle color; - // 2. vertex color; - // 3. volume color; - // 4. object color; - // 5. material; - // 6. default - invisible coat. - // - // Fill vertices colors in color priority list above that's points from 1 to 6. - if((pIdx < pVertexColorArray.size()) && (pVertexColorArray[pIdx] != nullptr))// check for vertex color - { - if(pVertexColorArray[pIdx]->Composed) - throw DeadlyImportError("IME: vertex color composed"); - else - return pVertexColorArray[pIdx]->Color; - } - else if(ne_volume_color != nullptr)// check for volume color - { - if(ne_volume_color->Composed) - throw DeadlyImportError("IME: volume color composed"); - else - return ne_volume_color->Color; - } - else if(pObjectColor != nullptr)// check for object color - { - if(pObjectColor->Composed) - throw DeadlyImportError("IME: object color composed"); - else - return pObjectColor->Color; - } - else if(cur_mat != nullptr)// check for material - { - return cur_mat->GetColor(pVertexCoordinateArray.at(pIdx).x, pVertexCoordinateArray.at(pIdx).y, pVertexCoordinateArray.at(pIdx).z); - } - else// set default color. - { - return {0, 0, 0, 0}; - }// if((vi < pVertexColorArray.size()) && (pVertexColorArray[vi] != nullptr)) else - - };// auto Vertex_CalculateColor = [&](const size_t pIdx) -> aiColor4D - - aiMesh* tmesh = new aiMesh; - - tmesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;// Only triangles is supported by AMF. - // - // set geometry and colors (vertices) - // - // copy faces/triangles - tmesh->mNumFaces = static_cast<unsigned int>(face_list_cur.size()); - tmesh->mFaces = new aiFace[tmesh->mNumFaces]; - - // Create vertices list and optimize indices. Optimisation mean following.In AMF all volumes use one big list of vertices. And one volume - // can use only part of vertices list, for example: vertices list contain few thousands of vertices and volume use vertices 1, 3, 10. - // Do you need all this thousands of garbage? Of course no. So, optimisation step transformate sparse indices set to continuous. - size_t VertexCount_Max = tmesh->mNumFaces * 3;// 3 - triangles. - std::vector<aiVector3D> vert_arr, texcoord_arr; - std::vector<aiColor4D> col_arr; - - vert_arr.reserve(VertexCount_Max * 2);// "* 2" - see below TODO. - col_arr.reserve(VertexCount_Max * 2); - - {// fill arrays - size_t vert_idx_from, vert_idx_to; - - // first iteration. - vert_idx_to = 0; - vert_idx_from = VertexIndex_GetMinimal(face_list_cur, nullptr); - vert_arr.push_back(pVertexCoordinateArray.at(vert_idx_from)); - col_arr.push_back(Vertex_CalculateColor(vert_idx_from)); - if(vert_idx_from != vert_idx_to) VertexIndex_Replace(face_list_cur, vert_idx_from, vert_idx_to); - - // rest iterations - do - { - vert_idx_from = VertexIndex_GetMinimal(face_list_cur, &vert_idx_to); - if(vert_idx_from == vert_idx_to) break;// all indices are transferred, - - vert_arr.push_back(pVertexCoordinateArray.at(vert_idx_from)); - col_arr.push_back(Vertex_CalculateColor(vert_idx_from)); - vert_idx_to++; - if(vert_idx_from != vert_idx_to) VertexIndex_Replace(face_list_cur, vert_idx_from, vert_idx_to); - - } while(true); - }// fill arrays. END. - - // - // check if triangle colors are used and create additional faces if needed. - // - for(const SComplexFace& face_cur: face_list_cur) - { - if(face_cur.Color != nullptr) - { - aiColor4D face_color; - size_t vert_idx_new = vert_arr.size(); - - if(face_cur.Color->Composed) - throw DeadlyImportError("IME: face color composed"); - else - face_color = face_cur.Color->Color; - - for(size_t idx_ind = 0; idx_ind < face_cur.Face.mNumIndices; idx_ind++) - { - vert_arr.push_back(vert_arr.at(face_cur.Face.mIndices[idx_ind])); - col_arr.push_back(face_color); - face_cur.Face.mIndices[idx_ind] = static_cast<unsigned int>(vert_idx_new++); - } - }// if(face_cur.Color != nullptr) - }// for(const SComplexFace& face_cur: face_list_cur) - - // - // if texture is used then copy texture coordinates too. - // - if(face_list_cur.front().TexMap != nullptr) - { - size_t idx_vert_new = vert_arr.size(); - ///TODO: clean unused vertices. "* 2": in certain cases - mesh full of triangle colors - vert_arr will contain duplicated vertices for - /// colored triangles and initial vertices (for colored vertices) which in real became unused. This part need more thinking about - /// optimisation. - bool* idx_vert_used; - - idx_vert_used = new bool[VertexCount_Max * 2]; - for(size_t i = 0, i_e = VertexCount_Max * 2; i < i_e; i++) idx_vert_used[i] = false; - - // This ID's will be used when set materials ID in scene. - tmesh->mMaterialIndex = static_cast<unsigned int>(PostprocessHelper_GetTextureID_Or_Create(face_list_cur.front().TexMap->TextureID_R, - face_list_cur.front().TexMap->TextureID_G, - face_list_cur.front().TexMap->TextureID_B, - face_list_cur.front().TexMap->TextureID_A)); - texcoord_arr.resize(VertexCount_Max * 2); - for(const SComplexFace& face_cur: face_list_cur) - { - for(size_t idx_ind = 0; idx_ind < face_cur.Face.mNumIndices; idx_ind++) - { - const size_t idx_vert = face_cur.Face.mIndices[idx_ind]; - - if(!idx_vert_used[idx_vert]) - { - texcoord_arr.at(idx_vert) = face_cur.TexMap->TextureCoordinate[idx_ind]; - idx_vert_used[idx_vert] = true; - } - else if(texcoord_arr.at(idx_vert) != face_cur.TexMap->TextureCoordinate[idx_ind]) - { - // in that case one vertex is shared with many texture coordinates. We need to duplicate vertex with another texture - // coordinates. - vert_arr.push_back(vert_arr.at(idx_vert)); - col_arr.push_back(col_arr.at(idx_vert)); - texcoord_arr.at(idx_vert_new) = face_cur.TexMap->TextureCoordinate[idx_ind]; - face_cur.Face.mIndices[idx_ind] = static_cast<unsigned int>(idx_vert_new++); - } - }// for(size_t idx_ind = 0; idx_ind < face_cur.Face.mNumIndices; idx_ind++) - }// for(const SComplexFace& face_cur: face_list_cur) - - delete [] idx_vert_used; - // shrink array - texcoord_arr.resize(idx_vert_new); - }// if(face_list_cur.front().TexMap != nullptr) - - // - // copy collected data to mesh - // - tmesh->mNumVertices = static_cast<unsigned int>(vert_arr.size()); - tmesh->mVertices = new aiVector3D[tmesh->mNumVertices]; - tmesh->mColors[0] = new aiColor4D[tmesh->mNumVertices]; - - memcpy(tmesh->mVertices, vert_arr.data(), tmesh->mNumVertices * sizeof(aiVector3D)); - memcpy(tmesh->mColors[0], col_arr.data(), tmesh->mNumVertices * sizeof(aiColor4D)); - if(texcoord_arr.size() > 0) - { - tmesh->mTextureCoords[0] = new aiVector3D[tmesh->mNumVertices]; - memcpy(tmesh->mTextureCoords[0], texcoord_arr.data(), tmesh->mNumVertices * sizeof(aiVector3D)); - tmesh->mNumUVComponents[0] = 2;// U and V stored in "x", "y" of aiVector3D. - } - - size_t idx_face = 0; - for(const SComplexFace& face_cur: face_list_cur) tmesh->mFaces[idx_face++] = face_cur.Face; - - // store new aiMesh - mesh_idx.push_back(static_cast<unsigned int>(pMeshList.size())); - pMeshList.push_back(tmesh); - }// for(const std::list<SComplexFace>& face_list_cur: complex_faces_toplist) - }// if(ne_child->Type == CAMFImporter_NodeElement::ENET_Volume) - }// for(const CAMFImporter_NodeElement* ne_child: pNodeElement.Child) - - // if meshes was created then assign new indices with current aiNode - if(mesh_idx.size() > 0) - { - std::list<unsigned int>::const_iterator mit = mesh_idx.begin(); - - pSceneNode.mNumMeshes = static_cast<unsigned int>(mesh_idx.size()); - pSceneNode.mMeshes = new unsigned int[pSceneNode.mNumMeshes]; - for(size_t i = 0; i < pSceneNode.mNumMeshes; i++) pSceneNode.mMeshes[i] = *mit++; - }// if(mesh_idx.size() > 0) -} - -void AMFImporter::Postprocess_BuildMaterial(const CAMFImporter_NodeElement_Material& pMaterial) -{ -SPP_Material new_mat; - - new_mat.ID = pMaterial.ID; - for(const CAMFImporter_NodeElement* mat_child: pMaterial.Child) - { - if(mat_child->Type == CAMFImporter_NodeElement::ENET_Color) - { - new_mat.Color = (CAMFImporter_NodeElement_Color*)mat_child; - } - else if(mat_child->Type == CAMFImporter_NodeElement::ENET_Metadata) - { - new_mat.Metadata.push_back((CAMFImporter_NodeElement_Metadata*)mat_child); - } - }// for(const CAMFImporter_NodeElement* mat_child; pMaterial.Child) - - // place converted material to special list - mMaterial_Converted.push_back(new_mat); -} - -void AMFImporter::Postprocess_BuildConstellation(CAMFImporter_NodeElement_Constellation& pConstellation, std::list<aiNode*>& pNodeList) const -{ -aiNode* con_node; -std::list<aiNode*> ch_node; - - // We will build next hierarchy: - // aiNode as parent (<constellation>) for set of nodes as a children - // |- aiNode for transformation (<instance> -> <delta...>, <r...>) - aiNode for pointing to object ("objectid") - // ... - // \_ aiNode for transformation (<instance> -> <delta...>, <r...>) - aiNode for pointing to object ("objectid") - con_node = new aiNode; - con_node->mName = pConstellation.ID; - // Walk through children and search for instances of another objects, constellations. - for(const CAMFImporter_NodeElement* ne: pConstellation.Child) - { - aiMatrix4x4 tmat; - aiNode* t_node; - aiNode* found_node; - - if(ne->Type == CAMFImporter_NodeElement::ENET_Metadata) continue; - if(ne->Type != CAMFImporter_NodeElement::ENET_Instance) throw DeadlyImportError("Only <instance> nodes can be in <constellation>."); - - // create alias for conveniance - CAMFImporter_NodeElement_Instance& als = *((CAMFImporter_NodeElement_Instance*)ne); - // find referenced object - if(!Find_ConvertedNode(als.ObjectID, pNodeList, &found_node)) Throw_ID_NotFound(als.ObjectID); - - // create node for apllying transformation - t_node = new aiNode; - t_node->mParent = con_node; - // apply transformation - aiMatrix4x4::Translation(als.Delta, tmat), t_node->mTransformation *= tmat; - aiMatrix4x4::RotationX(als.Rotation.x, tmat), t_node->mTransformation *= tmat; - aiMatrix4x4::RotationY(als.Rotation.y, tmat), t_node->mTransformation *= tmat; - aiMatrix4x4::RotationZ(als.Rotation.z, tmat), t_node->mTransformation *= tmat; - // create array for one child node - t_node->mNumChildren = 1; - t_node->mChildren = new aiNode*[t_node->mNumChildren]; - SceneCombiner::Copy(&t_node->mChildren[0], found_node); - t_node->mChildren[0]->mParent = t_node; - ch_node.push_back(t_node); - }// for(const CAMFImporter_NodeElement* ne: pConstellation.Child) - - // copy found aiNode's as children - if(ch_node.size() == 0) throw DeadlyImportError("<constellation> must have at least one <instance>."); - - size_t ch_idx = 0; - - con_node->mNumChildren = static_cast<unsigned int>(ch_node.size()); - con_node->mChildren = new aiNode*[con_node->mNumChildren]; - for(aiNode* node: ch_node) con_node->mChildren[ch_idx++] = node; - - // and place "root" of <constellation> node to node list - pNodeList.push_back(con_node); -} - -void AMFImporter::Postprocess_BuildScene(aiScene* pScene) -{ -std::list<aiNode*> node_list; -std::list<aiMesh*> mesh_list; -std::list<CAMFImporter_NodeElement_Metadata*> meta_list; - - // - // Because for AMF "material" is just complex colors mixing so aiMaterial will not be used. - // For building aiScene we are must to do few steps: - // at first creating root node for aiScene. - pScene->mRootNode = new aiNode; - pScene->mRootNode->mParent = nullptr; - pScene->mFlags |= AI_SCENE_FLAGS_ALLOW_SHARED; - // search for root(<amf>) element - CAMFImporter_NodeElement* root_el = nullptr; - - for(CAMFImporter_NodeElement* ne: mNodeElement_List) - { - if(ne->Type != CAMFImporter_NodeElement::ENET_Root) continue; - - root_el = ne; - - break; - }// for(const CAMFImporter_NodeElement* ne: mNodeElement_List) - - // Check if root element are found. - if(root_el == nullptr) throw DeadlyImportError("Root(<amf>) element not found."); - - // after that walk through children of root and collect data. Five types of nodes can be placed at top level - in <amf>: <object>, <material>, <texture>, - // <constellation> and <metadata>. But at first we must read <material> and <texture> because they will be used in <object>. <metadata> can be read - // at any moment. - // - // 1. <material> - // 2. <texture> will be converted later when processing triangles list. \sa Postprocess_BuildMeshSet - for(const CAMFImporter_NodeElement* root_child: root_el->Child) - { - if(root_child->Type == CAMFImporter_NodeElement::ENET_Material) Postprocess_BuildMaterial(*((CAMFImporter_NodeElement_Material*)root_child)); - } - - // After "appearance" nodes we must read <object> because it will be used in <constellation> -> <instance>. - // - // 3. <object> - for(const CAMFImporter_NodeElement* root_child: root_el->Child) - { - if(root_child->Type == CAMFImporter_NodeElement::ENET_Object) - { - aiNode* tnode = nullptr; - - // for <object> mesh and node must be built: object ID assigned to aiNode name and will be used in future for <instance> - Postprocess_BuildNodeAndObject(*((CAMFImporter_NodeElement_Object*)root_child), mesh_list, &tnode); - if(tnode != nullptr) node_list.push_back(tnode); - - } - }// for(const CAMFImporter_NodeElement* root_child: root_el->Child) - - // And finally read rest of nodes. - // - for(const CAMFImporter_NodeElement* root_child: root_el->Child) - { - // 4. <constellation> - if(root_child->Type == CAMFImporter_NodeElement::ENET_Constellation) - { - // <object> and <constellation> at top of self abstraction use aiNode. So we can use only aiNode list for creating new aiNode's. - Postprocess_BuildConstellation(*((CAMFImporter_NodeElement_Constellation*)root_child), node_list); - } - - // 5, <metadata> - if(root_child->Type == CAMFImporter_NodeElement::ENET_Metadata) meta_list.push_back((CAMFImporter_NodeElement_Metadata*)root_child); - }// for(const CAMFImporter_NodeElement* root_child: root_el->Child) - - // at now we can add collected metadata to root node - Postprocess_AddMetadata(meta_list, *pScene->mRootNode); - // - // Check constellation children - // - // As said in specification: - // "When multiple objects and constellations are defined in a single file, only the top level objects and constellations are available for printing." - // What that means? For example: if some object is used in constellation then you must show only constellation but not original object. - // And at this step we are checking that relations. -nl_clean_loop: - - if(node_list.size() > 1) - { - // walk through all nodes - for(std::list<aiNode*>::iterator nl_it = node_list.begin(); nl_it != node_list.end(); nl_it++) - { - // and try to find them in another top nodes. - std::list<aiNode*>::const_iterator next_it = nl_it; - - next_it++; - for(; next_it != node_list.end(); next_it++) - { - if((*next_it)->FindNode((*nl_it)->mName) != nullptr) - { - // if current top node(nl_it) found in another top node then erase it from node_list and restart search loop. - node_list.erase(nl_it); - - goto nl_clean_loop; - } - }// for(; next_it != node_list.end(); next_it++) - }// for(std::list<aiNode*>::const_iterator nl_it = node_list.begin(); nl_it != node_list.end(); nl_it++) - } - - // - // move created objects to aiScene - // - // - // Nodes - if(node_list.size() > 0) - { - std::list<aiNode*>::const_iterator nl_it = node_list.begin(); - - pScene->mRootNode->mNumChildren = static_cast<unsigned int>(node_list.size()); - pScene->mRootNode->mChildren = new aiNode*[pScene->mRootNode->mNumChildren]; - for(size_t i = 0; i < pScene->mRootNode->mNumChildren; i++) - { - // Objects and constellation that must be showed placed at top of hierarchy in <amf> node. So all aiNode's in node_list must have - // mRootNode only as parent. - (*nl_it)->mParent = pScene->mRootNode; - pScene->mRootNode->mChildren[i] = *nl_it++; - } - }// if(node_list.size() > 0) - - // - // Meshes - if(mesh_list.size() > 0) - { - std::list<aiMesh*>::const_iterator ml_it = mesh_list.begin(); - - pScene->mNumMeshes = static_cast<unsigned int>(mesh_list.size()); - pScene->mMeshes = new aiMesh*[pScene->mNumMeshes]; - for(size_t i = 0; i < pScene->mNumMeshes; i++) pScene->mMeshes[i] = *ml_it++; - }// if(mesh_list.size() > 0) - - // - // Textures - pScene->mNumTextures = static_cast<unsigned int>(mTexture_Converted.size()); - if(pScene->mNumTextures > 0) - { - size_t idx; - - idx = 0; - pScene->mTextures = new aiTexture*[pScene->mNumTextures]; - for(const SPP_Texture& tex_convd: mTexture_Converted) - { - pScene->mTextures[idx] = new aiTexture; - pScene->mTextures[idx]->mWidth = static_cast<unsigned int>(tex_convd.Width); - pScene->mTextures[idx]->mHeight = static_cast<unsigned int>(tex_convd.Height); - pScene->mTextures[idx]->pcData = (aiTexel*)tex_convd.Data; - // texture format description. - strcpy(pScene->mTextures[idx]->achFormatHint, tex_convd.FormatHint); - idx++; - }// for(const SPP_Texture& tex_convd: mTexture_Converted) - - // Create materials for embedded textures. - idx = 0; - pScene->mNumMaterials = static_cast<unsigned int>(mTexture_Converted.size()); - pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials]; - for(const SPP_Texture& tex_convd: mTexture_Converted) - { - const aiString texture_id(AI_EMBEDDED_TEXNAME_PREFIX + to_string(idx)); - const int mode = aiTextureOp_Multiply; - const int repeat = tex_convd.Tiled ? 1 : 0; - - pScene->mMaterials[idx] = new aiMaterial; - pScene->mMaterials[idx]->AddProperty(&texture_id, AI_MATKEY_TEXTURE_DIFFUSE(0)); - pScene->mMaterials[idx]->AddProperty(&mode, 1, AI_MATKEY_TEXOP_DIFFUSE(0)); - pScene->mMaterials[idx]->AddProperty(&repeat, 1, AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0)); - pScene->mMaterials[idx]->AddProperty(&repeat, 1, AI_MATKEY_MAPPINGMODE_V_DIFFUSE(0)); - idx++; - } - }// if(pScene->mNumTextures > 0) -}// END: after that walk through children of root and collect data - -}// namespace Assimp - -#endif // !ASSIMP_BUILD_NO_AMF_IMPORTER |