// Given a BScene, write out a GLTF version and return a handle to the version.
private async Task <LHandle> WriteOutLevel(BHash pLevelHash, BScene pBScene, AssetManager pAssetManager)
{
Gltf gltf;
try {
gltf = new Gltf(_scene.Name, LContext.log, LContext.parms);
gltf.LoadScene(pBScene);
}
catch (Exception e) {
string emsg = String.Format("{0} Exeception loading scene into Gltf: {1}", _logHeader, e);
LContext.log.ErrorFormat(emsg);
throw new Exception(emsg);
}
string topLevelFilename = pLevelHash.ToString() + ".gltf";
LContext.log.DebugFormat("{0}: writing top level region GLTF to {1}", _logHeader, topLevelFilename);
try {
using (var outm = new MemoryStream()) {
using (StreamWriter outt = new StreamWriter(outm)) {
gltf.ToJSON(outt);
}
await pAssetManager.AssetStorage.Store(topLevelFilename, outm.ToArray());
}
gltf.WriteBinaryFiles(pAssetManager.AssetStorage);
gltf.WriteImages(pAssetManager.AssetStorage);
}
catch (Exception e) {
string emsg = String.Format("{0} Exeception writing top level GLTF files: {1}", _logHeader, e);
LContext.log.ErrorFormat(emsg);
throw new Exception(emsg);
}
return(new LHandle(pLevelHash, topLevelFilename));
}
// If run from the command line, create instance and call 'Start' with args.
// If run programmatically, create instance and call 'Start' with parameters.
public async Task Start(CancellationToken cancelToken, string[] args)
{
Globals = new GlobalContext()
{
log = new LoggerLog4Net(),
// log = new LoggerConsole(),
stats = new ConvoarStats()
};
Globals.parms = new ConvoarParams(Globals.log);
// A single parameter of '--help' outputs the invocation parameters
if (args.Length > 0 && args[0] == "--help")
{
System.Console.Write(Invocation());
return;
}
// 'ConvoarParams' initializes to default values.
// Over ride default values with command line parameters.
try {
// Note that trailing parameters will be put into "InputOAR" parameter
Globals.parms.MergeCommandLine(args, null, "InputOAR");
}
catch (Exception e) {
Globals.log.ErrorFormat("ERROR: bad parameters: " + e.Message);
Globals.log.ErrorFormat(Invocation());
return;
}
if (Globals.parms.P <bool>("Verbose"))
{
Globals.log.SetVerbose(Globals.parms.P <bool>("Verbose"));
}
if (!Globals.parms.P <bool>("Quiet"))
{
System.Console.WriteLine("Convoar v" + Globals.version
+ " built " + Globals.buildDate
+ " commit " + Globals.gitCommit
);
}
// Validate parameters
if (String.IsNullOrEmpty(Globals.parms.P <string>("InputOAR")))
{
Globals.log.ErrorFormat("An input OAR file must be specified");
Globals.log.ErrorFormat(Invocation());
return;
}
if (String.IsNullOrEmpty(Globals.parms.P <string>("OutputDir")))
{
_outputDir = "./out";
Globals.log.DebugFormat("Output directory defaulting to {0}", _outputDir);
}
// Base asset storage system -- 'MemAssetService' is in-memory storage
using (MemAssetService memAssetService = new MemAssetService()) {
// 'assetManager' is the asset cache and fetching code -- where all the mesh,
// material, and instance information is stored for later processing.
using (AssetManager assetManager = new AssetManager(memAssetService, Globals.log, Globals.parms)) {
try {
BScene bScene = await LoadOAR(memAssetService, assetManager);
Globals.contextName = bScene.name;
Globals.log.DebugFormat("{0} Scene created. name={1}, instances={2}",
_logHeader, bScene.name, bScene.instances.Count);
Globals.log.DebugFormat("{0} num assetFetcher.images={1}", _logHeader, assetManager.Assets.Images.Count);
Globals.log.DebugFormat("{0} num assetFetcher.materials={1}", _logHeader, assetManager.Assets.Materials.Count);
Globals.log.DebugFormat("{0} num assetFetcher.meshes={1}", _logHeader, assetManager.Assets.Meshes.Count);
Globals.log.DebugFormat("{0} num assetFetcher.renderables={1}", _logHeader, assetManager.Assets.Renderables.Count);
if (ConvOAR.Globals.parms.P <bool>("AddTerrainMesh"))
{
ConvOAR.Globals.log.DebugFormat("{0} Adding terrain to scene", _logHeader);
bScene.instances.Add(bScene.terrainInstance);
}
if (ConvOAR.Globals.parms.P <bool>("TerrainOnly"))
{
ConvOAR.Globals.log.DebugFormat("{0} Clearing out scene so there's only terrain (TerrainOnly)", _logHeader);
bScene.instances.Clear();
bScene.instances.Add(bScene.terrainInstance);
}
/*
* // Perform any optimizations on the scene and its instances
* if (Globals.parms.P<bool>("DoMeshSimplification")) {
* // TODO:
* }
* if (Globals.parms.P<bool>("DoSceneOptimizations")) {
* using (BSceneManipulation optimizer = new BSceneManipulation()) {
* bScene = optimizer.OptimizeScene(bScene);
* Globals.log.DebugFormat("{0} merged BScene. numInstances={1}", _logHeader, bScene.instances.Count);
* }
* }
*/
if (Globals.parms.P <bool>("MergeSharedMaterialMeshes"))
{
using (BSceneManipulation optimizer = new BSceneManipulation(Globals.log, Globals.parms)) {
bScene = optimizer.RebuildSceneBasedOnSharedMeshes(bScene);
Globals.log.DebugFormat("{0} merged meshes in scene. numInstances={1}", _logHeader, bScene.instances.Count);
}
}
// Output the transformed scene as Gltf version 2
Gltf gltf = new Gltf(bScene.name, Globals.log, Globals.parms);
try {
gltf.LoadScene(bScene);
Globals.log.DebugFormat("{0} num Gltf.nodes={1}", _logHeader, gltf.nodes.Count);
Globals.log.DebugFormat("{0} num Gltf.meshes={1}", _logHeader, gltf.meshes.Count);
Globals.log.DebugFormat("{0} num Gltf.materials={1}", _logHeader, gltf.materials.Count);
Globals.log.DebugFormat("{0} num Gltf.images={1}", _logHeader, gltf.images.Count);
Globals.log.DebugFormat("{0} num Gltf.accessor={1}", _logHeader, gltf.accessors.Count);
Globals.log.DebugFormat("{0} num Gltf.buffers={1}", _logHeader, gltf.buffers.Count);
Globals.log.DebugFormat("{0} num Gltf.bufferViews={1}", _logHeader, gltf.bufferViews.Count);
}
catch (Exception e) {
Globals.log.ErrorFormat("{0} Exception loading GltfScene: {1}", _logHeader, e);
}
try {
if (gltf.scenes.Count > 0)
{
string gltfFilename = gltf.GetFilename(gltf.IdentifyingString);
using (var outm = new MemoryStream()) {
using (var outt = new StreamWriter(outm)) {
gltf.ToJSON(outt);
}
await assetManager.AssetStorage.Store(gltfFilename, outm.ToArray());
}
gltf.WriteBinaryFiles(assetManager.AssetStorage);
if (Globals.parms.P <bool>("ExportTextures"))
{
gltf.WriteImages(assetManager.AssetStorage);
}
}
else
{
Globals.log.ErrorFormat("{0} Not writing out GLTF because no scenes", _logHeader);
}
}
catch (Exception e) {
Globals.log.ErrorFormat("{0} Exception writing GltfScene: {1}", _logHeader, e);
}
/*
* // Output all the instances in the scene as individual GLTF files
* if (Globals.parms.P<bool>("ExportIndividualGltf")) {
* bScene.instances.ForEach(instance => {
* string instanceName = instance.handle.ToString();
* Gltf gltf = new Gltf(instanceName);
* gltf.persist.baseDirectory = bScene.name;
* // gltf.persist.baseDirectory = PersistRules.JoinFilePieces(bScene.name, instanceName);
* GltfScene gltfScene = new GltfScene(gltf, instanceName);
* gltf.defaultScene = gltfScene;
*
* Displayable rootDisp = instance.Representation;
* GltfNode rootNode = GltfNode.GltfNodeFactory(gltf, gltfScene, rootDisp, assetFetcher);
* rootNode.translation = instance.Position;
* rootNode.rotation = instance.Rotation;
*
* gltf.BuildAccessorsAndBuffers();
* gltf.UpdateGltfv2ReferenceIndexes();
*
* // After the building, get rid of the default scene name as we're not outputting a scene
* gltf.defaultScene = null;
*
* PersistRules.ResolveAndCreateDir(gltf.persist.filename);
*
* using (StreamWriter outt = File.CreateText(gltf.persist.filename)) {
* gltf.ToJSON(outt);
* }
* gltf.WriteBinaryFiles();
*
* if (Globals.parms.P<bool>("ExportTextures")) {
* gltf.WriteImages();
* }
* });
* }
*/
}
catch (Exception e) {
Globals.log.ErrorFormat("{0} Global exception converting scene: {1}", _logHeader, e);
// A common error is not having all the DLLs for OpenSimulator. Print out what's missing.
if (e is ReflectionTypeLoadException refE)
{
foreach (var ee in refE.LoaderExceptions)
{
Globals.log.ErrorFormat("{0} reference exception: {1}", _logHeader, ee);
}
}
}
}
}
}