bool SaveMeshGridToFileAssimp(
std::string sFilename,
aiMesh* pMesh,
std::string sFormat)
{
// Create root node which indexes first mesh
aiNode* root = new aiNode();
root->mNumMeshes = 1;
root->mMeshes = new unsigned int[root->mNumMeshes];
root->mMeshes[0] = 0;
root->mName = "root";
aiMaterial* material = new aiMaterial();
// Create scene to contain root node and mesh
aiScene scene;
scene.mRootNode = root;
scene.mNumMeshes = 1;
scene.mMeshes = new aiMesh*[scene.mNumMeshes];
scene.mMeshes[0] = pMesh;
scene.mNumMaterials = 1;
scene.mMaterials = new aiMaterial*[scene.mNumMaterials];
scene.mMaterials[0] = material;
std::cout<<"[SaveMeshGridToFile] scene has vertex color: "<< scene.mMeshes[0]->HasVertexColors(0)<<std::endl;
sFilename = sFilename + "." + sFormat;
aiReturn res = aiExportScene(&scene, sFormat.c_str(), sFilename.c_str(), 0);
if(res == 0)
{
std::cout << "[SaveMeshGridToFile] Mesh export success. File Name "<< sFilename <<std::endl;
return true;
}
else
{
std::cerr << "[SaveMeshGridToFile] Mesh export fail." << std::endl;
return false;
}
return true;
}
static int assimp_export_scene(lua_State *L) {
luaX_checktype(L, 1, "scene", LUA_TTABLE);
const char *format = luaX_checkstring(L, 2, "format");
const char *filename = luaX_checkstring(L, 3, "filename");
struct aiScene *scene = _convert_scene(L, 1);
if (aiExportScene(scene, format, filename, 0)) {
aiReleaseImport(scene);
lua_pushboolean(L, true); // [-0,+1,-]
}
else {
aiReleaseImport(scene);
lua_pushboolean(L, false); // [-0,+1,-]
lua_pushstring(L, aiGetErrorString()); // [-0,+1,e]
return 2;
}
return 1;
}
void SaveMesh(std::string filename, aiMesh* mesh)
{
// Create root node which indexes first mesh
aiNode* root = new aiNode();
root->mNumMeshes = 1;
root->mMeshes = new unsigned int[root->mNumMeshes];
root->mMeshes[0] = 0;
root->mName = "root";
aiMaterial* material = new aiMaterial();
// Create scene to contain root node and mesh
aiScene scene;
scene.mRootNode = root;
scene.mNumMeshes = 1;
scene.mMeshes = new aiMesh*[scene.mNumMeshes];
scene.mMeshes[0] = mesh;
scene.mNumMaterials = 1;
scene.mMaterials = new aiMaterial*[scene.mNumMaterials];
scene.mMaterials[0] = material;
aiReturn res = aiExportScene(&scene, "ply", (filename + ".ply").c_str(), 0);
std::cout << "Mesh export result: " << res << std::endl;
}
