// Copyright (c) Microsoft Corporation. 
// Licensed under the MIT license. 

using System;
using System.IO;
using System.Threading.Tasks;

public class Program
{
    static void RunAggregation(Simplygon.ISimplygon sg)
    {
        using (Simplygon.spSceneImporter sgSceneImporter = sg.CreateSceneImporter())
        {
            sgSceneImporter.SetImportFilePath( "../Assets/SimplygonMan/SimplygonMan.obj" );
            if(!sgSceneImporter.RunImport())
                throw new System.Exception("Failed to load SimplygonMan/SimplygonMan.obj.");
            Simplygon.spScene sgScene = sgSceneImporter.GetScene();

            // Create the aggregation pipeline. 
            using (Simplygon.spAggregationPipeline sgAggregationPipeline = sg.CreateAggregationPipeline())
            {
                using (Simplygon.spAggregationSettings sgAggregationSettings = sgAggregationPipeline.GetAggregationSettings())
                {
                    // Merge all geometries into a single geometry. 
                    sgAggregationSettings.SetMergeGeometries( true );

                }
                // Start the aggregation pipeline. 
                sgAggregationPipeline.RunScene(sgScene, Simplygon.EPipelineRunMode.RunInThisProcess);

                // Get the processed scene. 
                using (Simplygon.spScene sgProcessedScene = sgAggregationPipeline.GetProcessedScene())
                {
                    using (Simplygon.spSceneExporter sgSceneExporter = sg.CreateSceneExporter())
                    {
                        sgSceneExporter.SetScene(sgProcessedScene);
                        sgSceneExporter.SetExportFilePath( "AggregationOutput.fbx" );
                        if(!sgSceneExporter.RunExport())
                            throw new System.Exception("Failed to save AggregationOutput.fbx.");

                    }
                }
            }
        }
    }
    static int Main(string[] args)
    {
        using (var sg = Simplygon.Loader.InitSimplygon(out var errorCode, out var errorMessage))
        {
            if (errorCode != Simplygon.EErrorCodes.NoError)
                return (int)errorCode;
            RunAggregation(sg);
        }

        return 0;
    }
}