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);
}
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);
}
}
}
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);
}
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()));
}
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));
}
}
}
internal IDAESceneNode GetSceneGraph()
{
return(LibVisualScenes.GetSceneNode(this, DAEUtils.GetUrl(Document.scene.instance_visual_scene.url).Id));
}
