public InstancedVertexPositionNormalTextureBumpSkin(VertexPositionNormalTextureBumpSkin source, Matrix meshToObject, byte index)
{
Position = source.Position;
Normal = source.Normal;
TextureCoordinate1 = source.TextureCoordinate;
TextureCoordinate2 = source.TextureCoordinate;
Tangent = source.Tangent;
Binormal = source.Binormal;
BoneIndices = new Byte4(source.BoneIndex0, source.BoneIndex1, source.BoneIndex2, source.BoneIndex3);
BoneWeights = source.BoneWeights;
}
public InstancedVertexPositionNormalTextureBumpSkin(VertexPositionNormalTextureBumpSkin source, Matrix meshToObject, byte index)
{
Position = source.Position;
Normal = source.Normal;
TextureCoordinate1 = source.TextureCoordinate;
TextureCoordinate2 = source.TextureCoordinate;
Tangent = source.Tangent;
Binormal = source.Binormal;
BoneIndices = new Byte4(source.BoneIndex0, source.BoneIndex1, source.BoneIndex2, source.BoneIndex3);
BoneWeights = source.BoneWeights;
}
/// <summary>
/// Add the required Geometry for hardware instancing
/// </summary>
/// <param name = "instancetransformindex">the index used in the SceneObejct.SkinBones array to position the instance</param>
/// <returns>Returns true if succeeed; false otherwise.</returns>
private bool AddGeometry(int instancetransformindex)
{
// Get the number of vertices already in the container object to readjust the new instance's destination indices.
int indexoffset = _vertices.Count;
// Avoid overflowing the indices.
int finalmaxindex = indexoffset + _source.Vertices.Length;
if (finalmaxindex > short.MaxValue)
{
return(false);
}
// Copy all vertices into the container object.
foreach (VertexPositionNormalTextureBump vert in _source.Vertices)
{
VertexPositionNormalTextureBumpSkin dest = new VertexPositionNormalTextureBumpSkin();
// Copy source data.
dest.Position = vert.Position;
dest.TextureCoordinate = vert.TextureCoordinate;
dest.Normal = vert.Normal;
dest.Tangent = vert.Tangent;
dest.Binormal = vert.Binormal;
// Add instance information that tells SunBurn which transform to use in the instance transform array.
dest.BoneIndex0 = (byte)instancetransformindex;
// Required for instancing.
dest.BoneWeights = Vector4.UnitX;
_vertices.Add(dest);
}
// Copy all indices into the container object, adjusting for existing instances.
foreach (short index in _source.Indices)
{
_indices.Add((short)(index + indexoffset));
}
return(true);
}
/// <summary>
/// Add the required Geometry for hardware instancing
/// </summary>
/// <param name = "instancetransformindex">the index used in the SceneObejct.SkinBones array to position the instance</param>
/// <returns>Returns true if succeeed; false otherwise.</returns>
private bool AddGeometry(int instancetransformindex)
{
// Get the number of vertices already in the container object to readjust the new instance's destination indices.
int indexoffset = _vertices.Count;
// Avoid overflowing the indices.
int finalmaxindex = indexoffset + _source.Vertices.Length;
if (finalmaxindex > short.MaxValue)
return false;
// Copy all vertices into the container object.
foreach (VertexPositionNormalTextureBump vert in _source.Vertices)
{
VertexPositionNormalTextureBumpSkin dest = new VertexPositionNormalTextureBumpSkin();
// Copy source data.
dest.Position = vert.Position;
dest.TextureCoordinate = vert.TextureCoordinate;
dest.Normal = vert.Normal;
dest.Tangent = vert.Tangent;
dest.Binormal = vert.Binormal;
// Add instance information that tells SunBurn which transform to use in the instance transform array.
dest.BoneIndex0 = (byte) instancetransformindex;
// Required for instancing.
dest.BoneWeights = Vector4.UnitX;
_vertices.Add(dest);
}
// Copy all indices into the container object, adjusting for existing instances.
foreach (short index in _source.Indices)
_indices.Add((short) (index + indexoffset));
return true;
}
