C# BSPhysObject.AssetFailed方法代碼示例

    public static BSShape GetReference(BSScene physicsScene, bool forceRebuild, BSPhysObject prim)
    {
        float lod;
        System.UInt64 newHullKey = BSShape.ComputeShapeKey(prim.Size, prim.BaseShape, out lod);

        BSShapeHull retHull = null;
        lock (Hulls)
        {
            if (Hulls.TryGetValue(newHullKey, out retHull))
            {
                // The mesh has already been created. Return a new reference to same.
                retHull.IncrementReference();
            }
            else
            {
                retHull = new BSShapeHull(new BulletShape());
                // An instance of this mesh has not been created. Build and remember same.
                BulletShape newShape = retHull.CreatePhysicalHull(physicsScene, prim, newHullKey, prim.BaseShape, prim.Size, lod);

                // Check to see if hull was created (might require an asset).
                newShape = VerifyMeshCreated(physicsScene, newShape, prim);
                if (!newShape.isNativeShape || prim.AssetFailed())
                {
                    // If a mesh was what was created, remember the built shape for later sharing.
                    Hulls.Add(newHullKey, retHull);
                }
                retHull.physShapeInfo = newShape;
            }
        }
        physicsScene.DetailLog("{0},BSShapeHull,getReference,hull={1},size={2},lod={3}", prim.LocalID, retHull, prim.Size, lod);
        return retHull;
    }

    // The creation of a mesh or hull can fail if an underlying asset is not available.
    // There are two cases: 1) the asset is not in the cache and it needs to be fetched;
    //     and 2) the asset cannot be converted (like failed decompression of JPEG2000s).
    //     The first case causes the asset to be fetched. The second case requires
    //     us to not loop forever.
    // Called after creating a physical mesh or hull. If the physical shape was created,
    //     just return.
    public static BulletShape VerifyMeshCreated(BSScene physicsScene, BulletShape newShape, BSPhysObject prim)
    {
        // If the shape was successfully created, nothing more to do
        if (newShape.HasPhysicalShape)
            return newShape;

        // VerifyMeshCreated is called after trying to create the mesh. If we think the asset had been
        //    fetched but we end up here again, the meshing of the asset must have failed.
        // Prevent trying to keep fetching the mesh by declaring failure.
        if (prim.PrimAssetState == BSPhysObject.PrimAssetCondition.Fetched)
        {
            prim.PrimAssetState = BSPhysObject.PrimAssetCondition.FailedMeshing;
            physicsScene.Logger.WarnFormat("{0} Fetched asset would not mesh. prim={1}, texture={2}",
                                            LogHeader, UsefulPrimInfo(physicsScene, prim), prim.BaseShape.SculptTexture);
            physicsScene.DetailLog("{0},BSShape.VerifyMeshCreated,setFailed,prim={1},tex={2}",
                                            prim.LocalID, UsefulPrimInfo(physicsScene, prim), prim.BaseShape.SculptTexture);
        }
        else
        {
            // If this mesh has an underlying asset and we have not failed getting it before, fetch the asset
            if (prim.BaseShape.SculptEntry
                && !prim.AssetFailed()
                && prim.PrimAssetState != BSPhysObject.PrimAssetCondition.Waiting
                && prim.BaseShape.SculptTexture != OMV.UUID.Zero
                )
            {
                physicsScene.DetailLog("{0},BSShape.VerifyMeshCreated,fetchAsset,objNam={1},tex={2}",
                                            prim.LocalID, prim.PhysObjectName, prim.BaseShape.SculptTexture);
                // Multiple requestors will know we're waiting for this asset
                prim.PrimAssetState = BSPhysObject.PrimAssetCondition.Waiting;

                BSPhysObject xprim = prim;
                RequestAssetDelegate assetProvider = physicsScene.RequestAssetMethod;
                if (assetProvider != null)
                {
                    BSPhysObject yprim = xprim; // probably not necessary, but, just in case.
                    assetProvider(yprim.BaseShape.SculptTexture, delegate(AssetBase asset)
                    {
                        // physicsScene.DetailLog("{0},BSShape.VerifyMeshCreated,assetProviderCallback", xprim.LocalID);
                        bool assetFound = false;
                        string mismatchIDs = String.Empty;  // DEBUG DEBUG
                        if (asset != null && yprim.BaseShape.SculptEntry)
                        {
                            if (yprim.BaseShape.SculptTexture.ToString() == asset.ID)
                            {
                                yprim.BaseShape.SculptData = asset.Data;
                                // This will cause the prim to see that the filler shape is not the right
                                //    one and try again to build the object.
                                // No race condition with the normal shape setting since the rebuild is at taint time.
                                yprim.PrimAssetState = BSPhysObject.PrimAssetCondition.Fetched;
                                yprim.ForceBodyShapeRebuild(false /* inTaintTime */);
                                assetFound = true;
                            }
                            else
                            {
                                mismatchIDs = yprim.BaseShape.SculptTexture.ToString() + "/" + asset.ID;
                            }
                        }
                        if (!assetFound)
                        {
                            yprim.PrimAssetState = BSPhysObject.PrimAssetCondition.FailedAssetFetch;
                        }
                        physicsScene.DetailLog("{0},BSShape.VerifyMeshCreated,fetchAssetCallback,found={1},isSculpt={2},ids={3}",
                                    yprim.LocalID, assetFound, yprim.BaseShape.SculptEntry, mismatchIDs );
                    });
                }
                else
                {
                    xprim.PrimAssetState = BSPhysObject.PrimAssetCondition.FailedAssetFetch;
                    physicsScene.Logger.ErrorFormat("{0} Physical object requires asset but no asset provider. Name={1}",
                                                LogHeader, physicsScene.Name);
                }
            }
            else
            {
                if (prim.PrimAssetState == BSPhysObject.PrimAssetCondition.FailedAssetFetch)
                {
                    physicsScene.Logger.WarnFormat("{0} Mesh failed to fetch asset. prim={1}, texture={2}",
                                                LogHeader, UsefulPrimInfo(physicsScene, prim), prim.BaseShape.SculptTexture);
                    physicsScene.DetailLog("{0},BSShape.VerifyMeshCreated,wasFailed,prim={1},tex={2}",
                                                prim.LocalID, UsefulPrimInfo(physicsScene, prim), prim.BaseShape.SculptTexture);
                }
                if (prim.PrimAssetState == BSPhysObject.PrimAssetCondition.FailedMeshing)
                {
                    physicsScene.Logger.WarnFormat("{0} Mesh asset would not mesh. prim={1}, texture={2}",
                                                LogHeader, UsefulPrimInfo(physicsScene, prim), prim.BaseShape.SculptTexture);
                    physicsScene.DetailLog("{0},BSShape.VerifyMeshCreated,wasFailedMeshing,prim={1},tex={2}",
                                                prim.LocalID, UsefulPrimInfo(physicsScene, prim), prim.BaseShape.SculptTexture);
                }
            }
         }

        // While we wait for the mesh defining asset to be loaded, stick in a simple box for the object.
//.........這裏部分代碼省略.........