diff options
Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/Blender/BlenderBMesh.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/Blender/BlenderBMesh.cpp | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/Blender/BlenderBMesh.cpp b/src/mesh/assimp-master/code/AssetLib/Blender/BlenderBMesh.cpp deleted file mode 100644 index be536eb..0000000 --- a/src/mesh/assimp-master/code/AssetLib/Blender/BlenderBMesh.cpp +++ /dev/null @@ -1,184 +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 BlenderBMesh.cpp - * @brief Conversion of Blender's new BMesh stuff - */ - -#ifndef ASSIMP_BUILD_NO_BLEND_IMPORTER - -#include "BlenderBMesh.h" -#include "BlenderDNA.h" -#include "BlenderScene.h" -#include "BlenderTessellator.h" - -namespace Assimp { -template <> -const char *LogFunctions<BlenderBMeshConverter>::Prefix() { - static auto prefix = "BLEND_BMESH: "; - return prefix; -} -} // namespace Assimp - -using namespace Assimp; -using namespace Assimp::Blender; -using namespace Assimp::Formatter; - -// ------------------------------------------------------------------------------------------------ -BlenderBMeshConverter::BlenderBMeshConverter(const Mesh *mesh) : - BMesh(mesh), - triMesh(nullptr) { - ai_assert(nullptr != mesh); -} - -// ------------------------------------------------------------------------------------------------ -BlenderBMeshConverter::~BlenderBMeshConverter() { - DestroyTriMesh(); -} - -// ------------------------------------------------------------------------------------------------ -bool BlenderBMeshConverter::ContainsBMesh() const { - // TODO - Should probably do some additional verification here - return BMesh->totpoly && BMesh->totloop && BMesh->totvert; -} - -// ------------------------------------------------------------------------------------------------ -const Mesh *BlenderBMeshConverter::TriangulateBMesh() { - AssertValidMesh(); - AssertValidSizes(); - PrepareTriMesh(); - - for (int i = 0; i < BMesh->totpoly; ++i) { - const MPoly &poly = BMesh->mpoly[i]; - ConvertPolyToFaces(poly); - } - - return triMesh; -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::AssertValidMesh() { - if (!ContainsBMesh()) { - ThrowException("BlenderBMeshConverter requires a BMesh with \"polygons\" - please call BlenderBMeshConverter::ContainsBMesh to check this first"); - } -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::AssertValidSizes() { - if (BMesh->totpoly != static_cast<int>(BMesh->mpoly.size())) { - ThrowException("BMesh poly array has incorrect size"); - } - if (BMesh->totloop != static_cast<int>(BMesh->mloop.size())) { - ThrowException("BMesh loop array has incorrect size"); - } -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::PrepareTriMesh() { - if (triMesh) { - DestroyTriMesh(); - } - - triMesh = new Mesh(*BMesh); - triMesh->totface = 0; - triMesh->mface.clear(); -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::DestroyTriMesh() { - delete triMesh; - triMesh = nullptr; -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::ConvertPolyToFaces(const MPoly &poly) { - const MLoop *polyLoop = &BMesh->mloop[poly.loopstart]; - - if (poly.totloop == 3 || poly.totloop == 4) { - AddFace(polyLoop[0].v, polyLoop[1].v, polyLoop[2].v, poly.totloop == 4 ? polyLoop[3].v : 0); - - // UVs are optional, so only convert when present. - if (BMesh->mloopuv.size()) { - if ((poly.loopstart + poly.totloop) > static_cast<int>(BMesh->mloopuv.size())) { - ThrowException("BMesh uv loop array has incorrect size"); - } - const MLoopUV *loopUV = &BMesh->mloopuv[poly.loopstart]; - AddTFace(loopUV[0].uv, loopUV[1].uv, loopUV[2].uv, poly.totloop == 4 ? loopUV[3].uv : 0); - } - } else if (poly.totloop > 4) { -#if ASSIMP_BLEND_WITH_GLU_TESSELLATE - BlenderTessellatorGL tessGL(*this); - tessGL.Tessellate(polyLoop, poly.totloop, triMesh->mvert); -#elif ASSIMP_BLEND_WITH_POLY_2_TRI - BlenderTessellatorP2T tessP2T(*this); - tessP2T.Tessellate(polyLoop, poly.totloop, triMesh->mvert); -#endif - } -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::AddFace(int v1, int v2, int v3, int v4) { - MFace face; - face.v1 = v1; - face.v2 = v2; - face.v3 = v3; - face.v4 = v4; - face.flag = 0; - // TODO - Work out how materials work - face.mat_nr = 0; - triMesh->mface.push_back(face); - triMesh->totface = static_cast<int>(triMesh->mface.size()); -} - -// ------------------------------------------------------------------------------------------------ -void BlenderBMeshConverter::AddTFace(const float *uv1, const float *uv2, const float *uv3, const float *uv4) { - MTFace mtface; - memcpy(&mtface.uv[0], uv1, sizeof(float) * 2); - memcpy(&mtface.uv[1], uv2, sizeof(float) * 2); - memcpy(&mtface.uv[2], uv3, sizeof(float) * 2); - - if (uv4) { - memcpy(&mtface.uv[3], uv4, sizeof(float) * 2); - } - - triMesh->mtface.push_back(mtface); -} - -#endif // ASSIMP_BUILD_NO_BLEND_IMPORTER |