public BCoordinateF() : base()
{
x = 0;
y = 0;
z = 0;
coordSystem = CoordSystem.WSG86;
rotSystem = RotationSystem.WORLD;
coordAxis = new CoordAxis(CoordAxis.RightHand_Yup);
}
// Convert the positions and all the vertices in an ExtendedPrim from one
// coordinate space to another. ExtendedPrim.coordSpace gives the current
// coordinates and we specify a new one here.
// This is not a general solution -- it pretty much only works to convert
// right-handed,Z-up coordinates (OpenSimulator) to right-handed,Y-up
// (OpenGL).
public static void FixCoordinates(BInstance inst, CoordAxis newCoords)
{
if (inst.coordAxis.system != newCoords.system)
{
OMV.Matrix4 coordTransform = OMV.Matrix4.Identity;
OMV.Quaternion coordTransformQ = OMV.Quaternion.Identity;
if (inst.coordAxis.getUpDimension == CoordAxis.Zup &&
newCoords.getUpDimension == CoordAxis.Yup)
{
// The one thing we know to do is change from Zup to Yup
coordTransformQ = OMV.Quaternion.CreateFromAxisAngle(1.0f, 0.0f, 0.0f, -(float)Math.PI / 2f);
// Make a clean matrix version.
// The libraries tend to create matrices with small numbers (1.119093e-07) for zero.
coordTransform = new OMV.Matrix4(
1, 0, 0, 0,
0, 0, -1, 0,
0, 1, 0, 0,
0, 0, 0, 1);
}
OMV.Vector3 oldPos = inst.Position; // DEBUG DEBUG
OMV.Quaternion oldRot = inst.Rotation; // DEBUG DEBUG
// Fix the location in space
inst.Position = inst.Position * coordTransformQ;
inst.Rotation = coordTransformQ * inst.Rotation;
inst.coordAxis = newCoords;
// ConvOAR.Globals.log.DebugFormat("{0} FixCoordinates. dispID={1}, oldPos={2}, newPos={3}, oldRot={4}, newRot={5}",
// _logHeader, inst.handle, oldPos, inst.Position, oldRot, inst.Rotation);
// Go through all the vertices and change the UV coords if necessary
List <MeshInfo> meshInfos = CollectMeshesFromDisplayable(inst.Representation);
meshInfos.ForEach(meshInfo => {
if (meshInfo.coordAxis.getUVOrigin != newCoords.getUVOrigin)
{
for (int ii = 0; ii < meshInfo.vertexs.Count; ii++)
{
var vert = meshInfo.vertexs[ii];
vert.TexCoord.Y = 1f - vert.TexCoord.Y;
meshInfo.vertexs[ii] = vert;
}
meshInfo.coordAxis = newCoords;
}
});
}
else
{
ConvOAR.Globals.log.DebugFormat("FixCoordinates. Not converting coord system. dispID={0}", inst.handle);
}
}
public Promise <BScene> ConvertOarToScene(IAssetService assetService, IAssetFetcher assetFetcher)
{
Promise <BScene> prom = new Promise <BScene>();
// Assemble all the parameters that loadoar takes and uses
Dictionary <string, object> options = new Dictionary <string, object>();
// options.Add("merge", false);
options.Add("displacement", ConvOAR.Globals.parms.P <OMV.Vector3>("Displacement"));
string optRotation = ConvOAR.Globals.parms.P <string>("Rotation");
if (optRotation != null)
{
options.Add("rotation", float.Parse(optRotation, System.Threading.Thread.CurrentThread.CurrentCulture));
}
// options.Add("default-user", OMV.UUID.Random());
// if (optSkipAssets != null) options.Add('skipAssets', true);
// if (optForceTerrain != null) options.Add("force-terrain", true);
// if (optNoObjects != null) options.Add("no-objects", true);
string optSubRegion = ConvOAR.Globals.parms.P <string>("SubRegion");
if (optSubRegion != null)
{
List <float> bounds = optSubRegion.Split(',').Select <string, float>(x => { return(float.Parse(x)); }).ToList();
options.Add("bounding-origin", new OMV.Vector3(bounds[0], bounds[1], bounds[2]));
options.Add("bounding-size", new OMV.Vector3(bounds[3] - bounds[0], bounds[4] - bounds[1], bounds[5] - bounds[2]));
}
// Create an OpenSimulator region and scene to load the OAR into
string regionName = "convoar";
if (String.IsNullOrEmpty(ConvOAR.Globals.parms.P <String>("RegionName")))
{
// Try to build the region name from the OAR filesname
regionName = Path.GetFileNameWithoutExtension(ConvOAR.Globals.parms.P <string>("InputOAR"));
}
else
{
regionName = ConvOAR.Globals.parms.P <string>("RegionName");
}
Scene scene = CreateScene(assetService, regionName);
// Load the archive into our scene
ArchiveReadRequest archive = new ArchiveReadRequest(scene, ConvOAR.Globals.parms.P <string>("InputOAR"), Guid.Empty, options);
archive.DearchiveRegion(false);
// Convert SOGs from OAR into EntityGroups
// ConvOAR.Globals.log.Log("Num assets = {0}", assetService.NumAssets);
LogBProgress("Num SOGs = {0}", scene.GetSceneObjectGroups().Count);
PrimToMesh mesher = new PrimToMesh();
// Convert SOGs => BInstances
Promise <BInstance> .All(
scene.GetSceneObjectGroups().Select(sog => {
return(ConvertSogToInstance(sog, assetFetcher, mesher));
})
)
.Done(instances => {
ConvOAR.Globals.log.DebugFormat("{0} Num instances = {1}", _logHeader, instances.ToList().Count);
List <BInstance> instanceList = new List <BInstance>();
instanceList.AddRange(instances);
// Add the terrain mesh to the scene
BInstance terrainInstance = null;
if (ConvOAR.Globals.parms.P <bool>("AddTerrainMesh"))
{
ConvOAR.Globals.log.DebugFormat("{0} Creating terrain for scene", _logHeader);
// instanceList.Add(ConvoarTerrain.CreateTerrainMesh(scene, mesher, assetFetcher));
terrainInstance = ConvoarTerrain.CreateTerrainMesh(scene, mesher, assetFetcher);
CoordAxis.FixCoordinates(terrainInstance, new CoordAxis(CoordAxis.RightHand_Yup | CoordAxis.UVOriginLowerLeft));
}
// Twist the OpenSimulator Z-up coordinate system to the OpenGL Y-up
foreach (var inst in instanceList)
{
CoordAxis.FixCoordinates(inst, new CoordAxis(CoordAxis.RightHand_Yup | CoordAxis.UVOriginLowerLeft));
}
// package instances into a BScene
BScene bScene = new BScene();
bScene.instances = instanceList;
RegionInfo ri = scene.RegionInfo;
bScene.name = ri.RegionName;
bScene.terrainInstance = terrainInstance;
bScene.attributes.Add("RegionName", ri.RegionName);
bScene.attributes.Add("RegionSizeX", ri.RegionSizeX);
bScene.attributes.Add("RegionSizeY", ri.RegionSizeY);
bScene.attributes.Add("RegionSizeZ", ri.RegionSizeZ);
bScene.attributes.Add("RegionLocX", ri.RegionLocX);
bScene.attributes.Add("RegionLocY", ri.RegionLocY);
bScene.attributes.Add("WorldLocX", ri.WorldLocX);
bScene.attributes.Add("WorldLocY", ri.WorldLocY);
bScene.attributes.Add("WaterHeight", ri.RegionSettings.WaterHeight);
bScene.attributes.Add("DefaultLandingPorint", ri.DefaultLandingPoint);
prom.Resolve(bScene);
}, e => {
ConvOAR.Globals.log.ErrorFormat("{0} failed SOG conversion: {1}", _logHeader, e);
// prom.Reject(new Exception(String.Format("Failed conversion: {0}", e)));
});
return(prom);
}
public bool isHandednessChanging(CoordAxis nextSystem)
{
return((system & Handedness) != (nextSystem.system & Handedness));
}