private void ExtractData(List <JVector> vertices, List <JOctree.TriangleVertexIndices> indices, Model model)
{
var bones = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(bones);
foreach (ModelMesh mm in model.Meshes)
{
Matrix xform = bones[mm.ParentBone.Index];
foreach (ModelMeshPart mmp in mm.MeshParts)
{
int offset = vertices.Count;
var a = new Vector3[mmp.NumVertices];
mm.VertexBuffer.GetData(mmp.StreamOffset + mmp.BaseVertex * mmp.VertexStride,
a, 0, mmp.NumVertices, mmp.VertexStride);
for (int i = 0; i != a.Length; ++i)
{
Vector3.Transform(ref a[i], ref xform, out a[i]);
}
for (int i = 0; i < a.Length; i++)
{
vertices.Add(new JVector(a[i].X, a[i].Y, a[i].Z));
}
if (mm.IndexBuffer.IndexElementSize != IndexElementSize.SixteenBits)
{
throw new Exception(
String.Format("Model uses 32-bit indices, which are not supported."));
}
var s = new short[mmp.PrimitiveCount * 3];
mm.IndexBuffer.GetData(mmp.StartIndex * 2, s, 0, mmp.PrimitiveCount * 3);
var tvi = new JOctree.TriangleVertexIndices[mmp.PrimitiveCount];
for (int i = 0; i != tvi.Length; ++i)
{
tvi[i].I0 = s[i * 3 + 2] + offset;
tvi[i].I1 = s[i * 3 + 1] + offset;
tvi[i].I2 = s[i * 3 + 0] + offset;
}
indices.AddRange(tvi);
}
}
}
// Extracts the vertices and vertexindices of a model
#region public void ExtractData(List<JVector> vertices, List<TriangleVertexIndices> indices, Model model)
public void ExtractData(List<JVector> vertices, List<JOctree.TriangleVertexIndices> indices, Model model)
{
Matrix[] bones_ = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(bones_);
foreach (ModelMesh mm in model.Meshes)
{
Matrix xform = bones_[mm.ParentBone.Index];
foreach (ModelMeshPart mmp in mm.MeshParts)
{
int offset = vertices.Count;
Vector3[] a = new Vector3[mmp.NumVertices];
mm.VertexBuffer.GetData<Vector3>(mmp.StreamOffset + mmp.BaseVertex * mmp.VertexStride,
a, 0, mmp.NumVertices, mmp.VertexStride);
for (int i = 0; i != a.Length; ++i)
Vector3.Transform(ref a[i], ref xform, out a[i]);
for (int i = 0; i < a.Length; i++) vertices.Add(new JVector(a[i].X, a[i].Y, a[i].Z));
if (mm.IndexBuffer.IndexElementSize != IndexElementSize.SixteenBits)
throw new Exception(
String.Format("Model uses 32-bit indices, which are not supported."));
short[] s = new short[mmp.PrimitiveCount * 3];
mm.IndexBuffer.GetData<short>(mmp.StartIndex * 2, s, 0, mmp.PrimitiveCount * 3);
JOctree.TriangleVertexIndices[] tvi = new JOctree.TriangleVertexIndices[mmp.PrimitiveCount];
for (int i = 0; i != tvi.Length; ++i)
{
tvi[i].I0 = s[i * 3 + 2] + offset;
tvi[i].I1 = s[i * 3 + 1] + offset;
tvi[i].I2 = s[i * 3 + 0] + offset;
}
indices.AddRange(tvi);
}
}
}
