예제 #1
0
        private IDAEMaterial CreateMaterial(DAELoaderNode loader, material mat)
        {
            DAEEffect    efx = loader.LibEffects.GetEffect(loader, DAEUtils.GetUrl(mat.instance_effect.url).Id);
            IDAEMaterial m   = efx.CreateMaterial(loader);

            //TODO set parameter

            _materials.Add(mat.id, m);

            return(m);
        }
예제 #2
0
 private void SetVertices(InputLocalOffset input, int[] p, int stepSize, Dictionary <string, MeshSource> sources, DAEVertexDescription[] outputVertices)
 {
     if (input.semantic.Equals("VERTEX"))
     {
         MeshSource meshSource = sources[DAEUtils.GetUrl(input.source).Id];
         for (int i = 0; i < outputVertices.Length; i++)
         {
             int idx = p[i * stepSize + (int)input.offset];
             outputVertices[i].Vertex = meshSource.GetVector3(idx);
         }
     }
     else if (input.semantic.Equals("NORMAL"))
     {
         MeshSource meshSource = sources[DAEUtils.GetUrl(input.source).Id];
         for (int i = 0; i < outputVertices.Length; i++)
         {
             int idx = p[i * stepSize + (int)input.offset];
             outputVertices[i].Normal = meshSource.GetVector3(idx);
         }
     }
     else if (input.semantic.Equals("TEXCOORD"))
     {
         MeshSource meshSource = sources[DAEUtils.GetUrl(input.source).Id];
         for (int i = 0; i < outputVertices.Length; i++)
         {
             int idx = p[i * stepSize + (int)input.offset];
             outputVertices[i].TexCoord = meshSource.GetVector3(idx);
             outputVertices[i].TexCoord = new DAEVector3(outputVertices[i].TexCoord.X, 1 - outputVertices[i].TexCoord.Y, outputVertices[i].TexCoord.Z);
         }
     }
     else if (input.semantic.Equals("TEXTANGENT"))
     {
         MeshSource meshSource = sources[DAEUtils.GetUrl(input.source).Id];
         for (int i = 0; i < outputVertices.Length; i++)
         {
             int idx = p[i * stepSize + (int)input.offset];
             outputVertices[i].TexTangent = meshSource.GetVector3(idx);
         }
     }
     else if (input.semantic.Equals("TEXBINORMAL"))
     {
         MeshSource meshSource = sources[DAEUtils.GetUrl(input.source).Id];
         for (int i = 0; i < outputVertices.Length; i++)
         {
             int idx = p[i * stepSize + (int)input.offset];
             outputVertices[i].TexBinormal = meshSource.GetVector3(idx);
         }
     }
 }
예제 #3
0
        internal List <IDAEShapeNode> GetShapeNodes(DAELoaderNode loader, Dictionary <string, string> instanceMaterials, string parentNodeName)
        {
            List <IDAEShapeNode> result = new List <IDAEShapeNode>();

            foreach (DAETriangles tris in _triangles)
            {
                IDAEMaterial mat;
                if (tris.MaterialSymbol != null)
                {
                    mat = loader.LibMaterials.GetMaterial(loader, DAEUtils.GetUrl(instanceMaterials[tris.MaterialSymbol]).Id);
                }
                else
                {
                    mat = loader.LibMaterials.GetDefaultMaterial(loader);
                }
                result.Add(loader.Context.CreateShapeNode(parentNodeName, mat, tris.Geometry));
            }

            return(result);
        }
예제 #4
0
        internal IDAESceneNode GetSceneNode(DAELoaderNode loader)
        {
            List <IDAESceneNode> children = new List <IDAESceneNode>();

            // load geometry
            if (_node.instance_geometry != null && _node.instance_geometry.Length > 0)
            {
                foreach (var instGeo in _node.instance_geometry)
                {
                    Dictionary <string, string> instanceMaterials = new Dictionary <string, string>();
                    if (instGeo.bind_material != null)
                    {
                        foreach (instance_material instMat in instGeo.bind_material.technique_common)
                        {
                            instanceMaterials.Add(instMat.symbol, instMat.target);
                        }
                    }

                    DAEGeometry          geo    = loader.LibGeometries.GetGeometry(loader, DAEUtils.GetUrl(instGeo.url).Id);
                    List <IDAEShapeNode> shapes = geo.GetShapeNodes(loader, instanceMaterials, _node.name);

                    foreach (IDAEShapeNode shape in shapes)
                    {
                        children.Add(shape);
                    }
                }
            }

            // load lights
            if (_node.instance_light != null && _node.instance_light.Length > 0)
            {
                foreach (var instLight in _node.instance_light)
                {
                    IDAESceneNode lightNode = loader.LibLights.GetLightNode(loader, DAEUtils.GetUrl(instLight.url).Id);
                    if (lightNode != null)
                    {
                        children.Add(lightNode);
                    }
                }
            }

            // load local children
            if (_node.node1 != null && _node.node1.Length > 0)
            {
                foreach (node child in _node.node1)
                {
                    DAENode       n         = new DAENode(child);
                    IDAESceneNode childNode = n.GetSceneNode(loader);
                    if (childNode != null)
                    {
                        children.Add(childNode);
                    }
                }
            }

            // load remote children
            if (_node.instance_node != null)
            {
                foreach (InstanceWithExtra child in _node.instance_node)
                {
                    IDAESceneNode childNode = null;
                    var           url       = DAEUtils.GetUrl(child.url);
                    if (string.IsNullOrEmpty(url.FilePath))
                    {
                        childNode = loader.LibNodes.GetSceneNode(loader, url.Id);
                    }
                    else
                    {
                        var extLoader = loader.GetLoaderForUrl(url);
                        childNode = extLoader.GetSceneGraph(); //TODO only load node with url.Id
                    }
                    if (childNode != null)
                    {
                        children.Add(childNode);
                    }
                }
            }

            // load transformation
            DAEMatrix4 finalTrans = DAEMatrix4.Identity;

            if (_node.Items != null)
            {
                for (int i = 0; i < _node.Items.Length; i++)
                {
                    object           trans     = _node.Items[i];
                    ItemsChoiceType2 transType = _node.ItemsElementName[i];

                    if (transType == ItemsChoiceType2.matrix)
                    {
                        matrix     m = trans as matrix;
                        DAEMatrix4 k = DAEMatrix4.Identity;
                        k.M11       = m.Values[0];
                        k.M12       = m.Values[1];
                        k.M13       = m.Values[2];
                        k.M14       = m.Values[3];
                        k.M21       = m.Values[4];
                        k.M22       = m.Values[5];
                        k.M23       = m.Values[6];
                        k.M24       = m.Values[7];
                        k.M31       = m.Values[8];
                        k.M32       = m.Values[9];
                        k.M33       = m.Values[10];
                        k.M34       = m.Values[11];
                        k.M41       = m.Values[12];
                        k.M42       = m.Values[13];
                        k.M43       = m.Values[14];
                        k.M44       = m.Values[15];
                        finalTrans *= k;
                    }
                    else if (transType == ItemsChoiceType2.rotate)
                    {
                        rotate r = trans as rotate;
                        finalTrans *= DAEMatrix4.Rotation(r.Values[0], r.Values[1], r.Values[2], (r.Values[3] * System.Math.PI / 180));
                    }
                    else if (transType == ItemsChoiceType2.lookat)
                    {
                        //lookat l = trans as lookat;
                        //finalTrans *= SharpDX.Matrix.LookAtLH(
                        //    new SharpDX.Vector3((float)l.Values[0], (float)l.Values[1], (float)l.Values[2]),
                        //    new SharpDX.Vector3((float)l.Values[3], (float)l.Values[4], (float)l.Values[5]),
                        //    new SharpDX.Vector3((float)l.Values[6], (float)l.Values[7], (float)l.Values[8]));

                        // not implemented
                    }
                    else if (transType == ItemsChoiceType2.scale)
                    {
                        TargetableFloat3 s = trans as TargetableFloat3;
                        finalTrans *= DAEMatrix4.Scaling(s.Values[0], s.Values[1], s.Values[2]);
                    }
                    else if (transType == ItemsChoiceType2.translate)
                    {
                        TargetableFloat3 t = trans as TargetableFloat3;
                        finalTrans *= DAEMatrix4.Translation(t.Values[0], t.Values[1], t.Values[2]);
                    }
                    else if (transType == ItemsChoiceType2.skew)
                    {
                        // not implemented
                    }
                }
            }

            return(loader.Context.CreateGroupNode(_node.name, finalTrans, children.ToArray()));
        }
예제 #5
0
        internal DAEGeometry(DAELoaderNode loader, geometry geo)
        {
            if (geo.Item == null || !(geo.Item is mesh))
            {
                // empty or not supported geometry
                return;
            }

            mesh m = geo.Item as mesh;

            // load sources
            Dictionary <string, MeshSource> sources = new Dictionary <string, MeshSource>();

            foreach (source src in m.source)
            {
                if (src.Item is float_array)
                {
                    float_array values = src.Item as float_array;
                    int         stride = (int)src.technique_common.accessor.stride;
                    sources.Add(src.id, new MeshSource(values.Values, stride));
                }
            }

            // load positions
            foreach (InputLocal input in m.vertices.input)
            {
                if (input.semantic.Equals("POSITION"))
                {
                    sources.Add(m.vertices.id, sources[DAEUtils.GetUrl(input.source).Id]);
                    break;
                }
            }

            // load primitives
            foreach (var item in m.Items)
            {
                // load triangles
                if (item is triangles)
                {
                    triangles tris = item as triangles;

                    DAEVertexDescription[] vertices = new DAEVertexDescription[tris.count * 3];
                    int[] p        = DAEUtils.StringToIntArray(tris.p);
                    int   stepSize = p.Length / ((int)tris.count * 3);
                    foreach (InputLocalOffset input in tris.input)
                    {
                        SetVertices(input, p, stepSize, sources, vertices);
                    }

                    if (!ContainsTangents(tris.input))
                    {
                        GenerateMeshTangents(vertices);
                    }

                    _triangles.Add(new DAETriangles(loader, vertices, tris.material));
                }
                else if (item is polylist)
                {
                    polylist polys = item as polylist;

                    int[] polyVertexCounts = DAEUtils.StringToIntArray(polys.vcount);
                    int   vertexCount      = 0;
                    int   triCount         = 0;
                    for (int i = 0; i < polyVertexCounts.Length; i++)
                    {
                        vertexCount += polyVertexCounts[i];
                        triCount    += polyVertexCounts[i] - 2;
                    }

                    DAEVertexDescription[] polyVertices = new DAEVertexDescription[vertexCount];
                    int[] p        = DAEUtils.StringToIntArray(polys.p);
                    int   stepSize = p.Length / vertexCount;

                    foreach (InputLocalOffset input in polys.input)
                    {
                        SetVertices(input, p, stepSize, sources, polyVertices);
                    }

                    // triangulation
                    DAEVertexDescription[] triVertices = new DAEVertexDescription[triCount * 3];
                    int triVertexIdx  = 0;
                    int polyVertexIdx = 0;
                    for (int i = 0; i < polyVertexCounts.Length; i++)
                    {
                        int triVertex = 0;
                        for (int k = 0; k < polyVertexCounts[i]; k++)
                        {
                            if (triVertex == 3)
                            {
                                triVertex = 1;
                                k--;

                                // repeat first vertex
                                triVertices[triVertexIdx++] = polyVertices[polyVertexIdx];
                            }

                            triVertices[triVertexIdx++] = polyVertices[polyVertexIdx + k];
                            triVertex++;
                        }

                        // skip to next polygon
                        polyVertexIdx += polyVertexCounts[i];
                    }

                    if (!ContainsTangents(polys.input))
                    {
                        GenerateMeshTangents(triVertices);
                    }

                    _triangles.Add(new DAETriangles(loader, triVertices, polys.material));
                }
            }
        }
예제 #6
0
 internal IDAESceneNode GetSceneGraph()
 {
     return(LibVisualScenes.GetSceneNode(this, DAEUtils.GetUrl(Document.scene.instance_visual_scene.url).Id));
 }