diff options
Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/Irr/IRRMeshLoader.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/Irr/IRRMeshLoader.cpp | 502 |
1 files changed, 0 insertions, 502 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/Irr/IRRMeshLoader.cpp b/src/mesh/assimp-master/code/AssetLib/Irr/IRRMeshLoader.cpp deleted file mode 100644 index 90b4d85..0000000 --- a/src/mesh/assimp-master/code/AssetLib/Irr/IRRMeshLoader.cpp +++ /dev/null @@ -1,502 +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 Implementation of the IrrMesh importer class */ - -#ifndef ASSIMP_BUILD_NO_IRRMESH_IMPORTER - -#include "IRRMeshLoader.h" -#include <assimp/ParsingUtils.h> -#include <assimp/fast_atof.h> -#include <assimp/importerdesc.h> -#include <assimp/material.h> -#include <assimp/mesh.h> -#include <assimp/scene.h> -#include <assimp/DefaultLogger.hpp> -#include <assimp/IOSystem.hpp> -#include <memory> - -using namespace Assimp; - -static const aiImporterDesc desc = { - "Irrlicht Mesh Reader", - "", - "", - "http://irrlicht.sourceforge.net/", - aiImporterFlags_SupportTextFlavour, - 0, - 0, - 0, - 0, - "xml irrmesh" -}; - -// ------------------------------------------------------------------------------------------------ -// Constructor to be privately used by Importer -IRRMeshImporter::IRRMeshImporter() : - BaseImporter(), - IrrlichtBase() { - // empty -} - -// ------------------------------------------------------------------------------------------------ -// Destructor, private as well -IRRMeshImporter::~IRRMeshImporter() {} - -// ------------------------------------------------------------------------------------------------ -// Returns whether the class can handle the format of the given file. -bool IRRMeshImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const { - /* NOTE: A simple check for the file extension is not enough - * here. Irrmesh and irr are easy, but xml is too generic - * and could be collada, too. So we need to open the file and - * search for typical tokens. - */ - static const char *tokens[] = { "irrmesh" }; - return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens)); -} - -// ------------------------------------------------------------------------------------------------ -// Get a list of all file extensions which are handled by this class -const aiImporterDesc *IRRMeshImporter::GetInfo() const { - return &desc; -} - -static void releaseMaterial(aiMaterial **mat) { - if (*mat != nullptr) { - delete *mat; - *mat = nullptr; - } -} - -static void releaseMesh(aiMesh **mesh) { - if (*mesh != nullptr) { - delete *mesh; - *mesh = nullptr; - } -} - -// ------------------------------------------------------------------------------------------------ -// Imports the given file into the given scene structure. -void IRRMeshImporter::InternReadFile(const std::string &pFile, - aiScene *pScene, IOSystem *pIOHandler) { - std::unique_ptr<IOStream> file(pIOHandler->Open(pFile)); - - // Check whether we can read from the file - if (file.get() == NULL) - throw DeadlyImportError("Failed to open IRRMESH file ", pFile); - - // Construct the irrXML parser - XmlParser parser; - if (!parser.parse( file.get() )) { - throw DeadlyImportError("XML parse error while loading IRRMESH file ", pFile); - } - XmlNode root = parser.getRootNode(); - - // final data - std::vector<aiMaterial *> materials; - std::vector<aiMesh *> meshes; - materials.reserve(5); - meshes.reserve(5); - - // temporary data - current mesh buffer - aiMaterial *curMat = nullptr; - aiMesh *curMesh = nullptr; - unsigned int curMatFlags = 0; - - std::vector<aiVector3D> curVertices, curNormals, curTangents, curBitangents; - std::vector<aiColor4D> curColors; - std::vector<aiVector3D> curUVs, curUV2s; - - // some temporary variables - int textMeaning = 0; - int vertexFormat = 0; // 0 = normal; 1 = 2 tcoords, 2 = tangents - bool useColors = false; - - // Parse the XML file - for (pugi::xml_node child : root.children()) { - if (child.type() == pugi::node_element) { - if (!ASSIMP_stricmp(child.name(), "buffer") && (curMat || curMesh)) { - // end of previous buffer. A material and a mesh should be there - if (!curMat || !curMesh) { - ASSIMP_LOG_ERROR("IRRMESH: A buffer must contain a mesh and a material"); - releaseMaterial(&curMat); - releaseMesh(&curMesh); - } else { - materials.push_back(curMat); - meshes.push_back(curMesh); - } - curMat = nullptr; - curMesh = nullptr; - - curVertices.clear(); - curColors.clear(); - curNormals.clear(); - curUV2s.clear(); - curUVs.clear(); - curTangents.clear(); - curBitangents.clear(); - } - - if (!ASSIMP_stricmp(child.name(), "material")) { - if (curMat) { - ASSIMP_LOG_WARN("IRRMESH: Only one material description per buffer, please"); - releaseMaterial(&curMat); - } - curMat = ParseMaterial(curMatFlags); - } - /* no else here! */ if (!ASSIMP_stricmp(child.name(), "vertices")) { - pugi::xml_attribute attr = child.attribute("vertexCount"); - int num = attr.as_int(); - //int num = reader->getAttributeValueAsInt("vertexCount"); - - if (!num) { - // This is possible ... remove the mesh from the list and skip further reading - ASSIMP_LOG_WARN("IRRMESH: Found mesh with zero vertices"); - - releaseMaterial(&curMat); - releaseMesh(&curMesh); - textMeaning = 0; - continue; - } - - curVertices.reserve(num); - curNormals.reserve(num); - curColors.reserve(num); - curUVs.reserve(num); - - // Determine the file format - //const char *t = reader->getAttributeValueSafe("type"); - pugi::xml_attribute t = child.attribute("type"); - if (!ASSIMP_stricmp("2tcoords", t.name())) { - curUV2s.reserve(num); - vertexFormat = 1; - - if (curMatFlags & AI_IRRMESH_EXTRA_2ND_TEXTURE) { - // ********************************************************* - // We have a second texture! So use this UV channel - // for it. The 2nd texture can be either a normal - // texture (solid_2layer or lightmap_xxx) or a normal - // map (normal_..., parallax_...) - // ********************************************************* - int idx = 1; - aiMaterial *mat = (aiMaterial *)curMat; - - if (curMatFlags & AI_IRRMESH_MAT_lightmap) { - mat->AddProperty(&idx, 1, AI_MATKEY_UVWSRC_LIGHTMAP(0)); - } else if (curMatFlags & AI_IRRMESH_MAT_normalmap_solid) { - mat->AddProperty(&idx, 1, AI_MATKEY_UVWSRC_NORMALS(0)); - } else if (curMatFlags & AI_IRRMESH_MAT_solid_2layer) { - mat->AddProperty(&idx, 1, AI_MATKEY_UVWSRC_DIFFUSE(1)); - } - } - } else if (!ASSIMP_stricmp("tangents", t.name())) { - curTangents.reserve(num); - curBitangents.reserve(num); - vertexFormat = 2; - } else if (ASSIMP_stricmp("standard", t.name())) { - releaseMaterial(&curMat); - ASSIMP_LOG_WARN("IRRMESH: Unknown vertex format"); - } else - vertexFormat = 0; - textMeaning = 1; - } else if (!ASSIMP_stricmp(child.name(), "indices")) { - if (curVertices.empty() && curMat) { - releaseMaterial(&curMat); - throw DeadlyImportError("IRRMESH: indices must come after vertices"); - } - - textMeaning = 2; - - // start a new mesh - curMesh = new aiMesh(); - - // allocate storage for all faces - pugi::xml_attribute attr = child.attribute("indexCount"); - curMesh->mNumVertices = attr.as_int(); - if (!curMesh->mNumVertices) { - // This is possible ... remove the mesh from the list and skip further reading - ASSIMP_LOG_WARN("IRRMESH: Found mesh with zero indices"); - - // mesh - away - releaseMesh(&curMesh); - - // material - away - releaseMaterial(&curMat); - - textMeaning = 0; - continue; - } - - if (curMesh->mNumVertices % 3) { - ASSIMP_LOG_WARN("IRRMESH: Number if indices isn't divisible by 3"); - } - - curMesh->mNumFaces = curMesh->mNumVertices / 3; - curMesh->mFaces = new aiFace[curMesh->mNumFaces]; - - // setup some members - curMesh->mMaterialIndex = (unsigned int)materials.size(); - curMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; - - // allocate storage for all vertices - curMesh->mVertices = new aiVector3D[curMesh->mNumVertices]; - - if (curNormals.size() == curVertices.size()) { - curMesh->mNormals = new aiVector3D[curMesh->mNumVertices]; - } - if (curTangents.size() == curVertices.size()) { - curMesh->mTangents = new aiVector3D[curMesh->mNumVertices]; - } - if (curBitangents.size() == curVertices.size()) { - curMesh->mBitangents = new aiVector3D[curMesh->mNumVertices]; - } - if (curColors.size() == curVertices.size() && useColors) { - curMesh->mColors[0] = new aiColor4D[curMesh->mNumVertices]; - } - if (curUVs.size() == curVertices.size()) { - curMesh->mTextureCoords[0] = new aiVector3D[curMesh->mNumVertices]; - } - if (curUV2s.size() == curVertices.size()) { - curMesh->mTextureCoords[1] = new aiVector3D[curMesh->mNumVertices]; - } - } - //break; - - //case EXN_TEXT: { - const char *sz = child.child_value(); - if (textMeaning == 1) { - textMeaning = 0; - - // read vertices - do { - SkipSpacesAndLineEnd(&sz); - aiVector3D temp; - aiColor4D c; - - // Read the vertex position - sz = fast_atoreal_move<float>(sz, (float &)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.y); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.z); - SkipSpaces(&sz); - curVertices.push_back(temp); - - // Read the vertex normals - sz = fast_atoreal_move<float>(sz, (float &)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.y); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.z); - SkipSpaces(&sz); - curNormals.push_back(temp); - - // read the vertex colors - uint32_t clr = strtoul16(sz, &sz); - ColorFromARGBPacked(clr, c); - - if (!curColors.empty() && c != *(curColors.end() - 1)) - useColors = true; - - curColors.push_back(c); - SkipSpaces(&sz); - - // read the first UV coordinate set - sz = fast_atoreal_move<float>(sz, (float &)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.y); - SkipSpaces(&sz); - temp.z = 0.f; - temp.y = 1.f - temp.y; // DX to OGL - curUVs.push_back(temp); - - // read the (optional) second UV coordinate set - if (vertexFormat == 1) { - sz = fast_atoreal_move<float>(sz, (float &)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.y); - temp.y = 1.f - temp.y; // DX to OGL - curUV2s.push_back(temp); - } - // read optional tangent and bitangent vectors - else if (vertexFormat == 2) { - // tangents - sz = fast_atoreal_move<float>(sz, (float &)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.z); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.y); - SkipSpaces(&sz); - temp.y *= -1.0f; - curTangents.push_back(temp); - - // bitangents - sz = fast_atoreal_move<float>(sz, (float &)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.z); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz, (float &)temp.y); - SkipSpaces(&sz); - temp.y *= -1.0f; - curBitangents.push_back(temp); - } - } - - /* IMPORTANT: We assume that each vertex is specified in one - line. So we can skip the rest of the line - unknown vertex - elements are ignored. - */ - - while (SkipLine(&sz)); - } else if (textMeaning == 2) { - textMeaning = 0; - - // read indices - aiFace *curFace = curMesh->mFaces; - aiFace *const faceEnd = curMesh->mFaces + curMesh->mNumFaces; - - aiVector3D *pcV = curMesh->mVertices; - aiVector3D *pcN = curMesh->mNormals; - aiVector3D *pcT = curMesh->mTangents; - aiVector3D *pcB = curMesh->mBitangents; - aiColor4D *pcC0 = curMesh->mColors[0]; - aiVector3D *pcT0 = curMesh->mTextureCoords[0]; - aiVector3D *pcT1 = curMesh->mTextureCoords[1]; - - unsigned int curIdx = 0; - unsigned int total = 0; - while (SkipSpacesAndLineEnd(&sz)) { - if (curFace >= faceEnd) { - ASSIMP_LOG_ERROR("IRRMESH: Too many indices"); - break; - } - if (!curIdx) { - curFace->mNumIndices = 3; - curFace->mIndices = new unsigned int[3]; - } - - unsigned int idx = strtoul10(sz, &sz); - if (idx >= curVertices.size()) { - ASSIMP_LOG_ERROR("IRRMESH: Index out of range"); - idx = 0; - } - - curFace->mIndices[curIdx] = total++; - - *pcV++ = curVertices[idx]; - if (pcN) *pcN++ = curNormals[idx]; - if (pcT) *pcT++ = curTangents[idx]; - if (pcB) *pcB++ = curBitangents[idx]; - if (pcC0) *pcC0++ = curColors[idx]; - if (pcT0) *pcT0++ = curUVs[idx]; - if (pcT1) *pcT1++ = curUV2s[idx]; - - if (++curIdx == 3) { - ++curFace; - curIdx = 0; - } - } - - if (curFace != faceEnd) - ASSIMP_LOG_ERROR("IRRMESH: Not enough indices"); - - // Finish processing the mesh - do some small material workarounds - if (curMatFlags & AI_IRRMESH_MAT_trans_vertex_alpha && !useColors) { - // Take the opacity value of the current material - // from the common vertex color alpha - aiMaterial *mat = (aiMaterial *)curMat; - mat->AddProperty(&curColors[0].a, 1, AI_MATKEY_OPACITY); - } - } - } - } - - // End of the last buffer. A material and a mesh should be there - if (curMat || curMesh) { - if (!curMat || !curMesh) { - ASSIMP_LOG_ERROR("IRRMESH: A buffer must contain a mesh and a material"); - releaseMaterial(&curMat); - releaseMesh(&curMesh); - } else { - materials.push_back(curMat); - meshes.push_back(curMesh); - } - } - - if (materials.empty()) { - throw DeadlyImportError("IRRMESH: Unable to read a mesh from this file"); - } - - // now generate the output scene - pScene->mNumMeshes = (unsigned int)meshes.size(); - pScene->mMeshes = new aiMesh *[pScene->mNumMeshes]; - for (unsigned int i = 0; i < pScene->mNumMeshes; ++i) { - pScene->mMeshes[i] = meshes[i]; - - // clean this value ... - pScene->mMeshes[i]->mNumUVComponents[3] = 0; - } - - pScene->mNumMaterials = (unsigned int)materials.size(); - pScene->mMaterials = new aiMaterial *[pScene->mNumMaterials]; - ::memcpy(pScene->mMaterials, &materials[0], sizeof(void *) * pScene->mNumMaterials); - - pScene->mRootNode = new aiNode(); - pScene->mRootNode->mName.Set("<IRRMesh>"); - pScene->mRootNode->mNumMeshes = pScene->mNumMeshes; - pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes]; - - for (unsigned int i = 0; i < pScene->mNumMeshes; ++i) { - pScene->mRootNode->mMeshes[i] = i; - } -} - -#endif // !! ASSIMP_BUILD_NO_IRRMESH_IMPORTER |