/// <summary>
/// Fuse 2 model
/// </summary>
/// <param name="a">A</param>
/// <param name="b">B</param>
/// <returns>Sum</returns>
public static WaveFrontModel operator +(WaveFrontModel a, WaveFrontModel b)
{
WaveFrontModel c = new WaveFrontModel();
c.Name = a.Name;
c.VertexData.AddRange(a.VertexData);
c.VertexData.AddRange(b.VertexData);
c.IndexData.AddRange(a.IndexData);
c.IndexData.AddRange((from i in b.IndexData select(i + a.VertexData.Count)).ToArray());
c.MeshMaterial.AddRange(a.MeshMaterial);
c.MeshMaterial.AddRange(b.MeshMaterial);
int tot = 0;
foreach (int i in a.FaceCounts)
{
c.FaceCounts.Add(i + tot);
tot += i;
}
foreach (int i in b.FaceCounts)
{
c.FaceCounts.Add(i + tot);
tot += i;
}
return(c);
}
/// <summary>
/// Create a mesh from wavefront obj file format using Tangent and Binormal vertex format
/// </summary>
/// <param name="device">Device</param>
/// <param name="filename">Filename</param>
/// <returns>Mesh</returns>
public static SharpMesh CreateNormalMappedFromObj(SharpDevice device, string filename)
{
SharpMesh mesh = new SharpMesh(device);
WaveFrontModel[] modelParts = WaveFrontModel.CreateFromObj(filename);
mesh.Device = device;
mesh.SubSets = new List <SharpSubSet>();
List <TangentVertex> vertices = new List <TangentVertex>();
List <int> indices = new List <int>();
int vcount = 0;
int icount = 0;
foreach (WaveFrontModel model in modelParts)
{
vertices.AddRange(model.TangentData);
indices.AddRange(model.IndexData.Select(i => i + vcount));
var mate = model.MeshMaterial.First();
ShaderResourceView tex = null;
ShaderResourceView ntex = null;
if (!string.IsNullOrEmpty(mate.DiffuseMap))
{
string textureFile = Path.GetDirectoryName(filename) + "\\" + Path.GetFileName(mate.DiffuseMap);
tex = device.LoadTextureFromFile(textureFile);
string normalMap = Path.GetDirectoryName(textureFile) + "\\" + Path.GetFileNameWithoutExtension(textureFile) + "N" + Path.GetExtension(textureFile);
ntex = device.LoadTextureFromFile(normalMap);
}
mesh.SubSets.Add(new SharpSubSet()
{
IndexCount = model.IndexData.Count,
StartIndex = icount,
DiffuseMap = tex,
NormalMap = ntex
});
vcount += model.VertexData.Count;
icount += model.IndexData.Count;
}
mesh.VertexBuffer = Buffer11.Create <TangentVertex>(device.Device, BindFlags.VertexBuffer, vertices.ToArray());
mesh.IndexBuffer = Buffer11.Create(device.Device, BindFlags.IndexBuffer, indices.ToArray());
mesh.VertexSize = SharpDX.Utilities.SizeOf <TangentVertex>();
return(mesh);
}
/// <summary>
/// Fuse 2 model
/// </summary>
/// <param name="a">A</param>
/// <param name="b">B</param>
/// <returns>Sum</returns>
public static WaveFrontModel operator +(WaveFrontModel a, WaveFrontModel b)
{
WaveFrontModel c = new WaveFrontModel();
c.Name = a.Name;
c.VertexData.AddRange(a.VertexData);
c.VertexData.AddRange(b.VertexData);
c.IndexData.AddRange(a.IndexData);
c.IndexData.AddRange((from i in b.IndexData select (i + a.VertexData.Count)).ToArray());
c.MeshMaterial.AddRange(a.MeshMaterial);
c.MeshMaterial.AddRange(b.MeshMaterial);
int tot = 0;
foreach (int i in a.FaceCounts)
{
c.FaceCounts.Add(i + tot);
tot += i;
}
foreach (int i in b.FaceCounts)
{
c.FaceCounts.Add(i + tot);
tot += i;
}
return c;
}
private static WaveFrontModel CreateGeom(string name, List<Vector3> position, List<Vector3> normals, List<Vector2> texture, List<int> faces, Material mate)
{
WaveFrontModel geom = new WaveFrontModel();
geom.Name = name;
geom.VertexData = new List<StaticVertex>();
geom.IndexData = new List<int>();
int stride = 0;
if (position.Count > 0)
stride++;
if (normals.Count > 0)
stride++;
if (texture.Count > 0)
stride++;
int vertexCount = faces.Count / stride;
int k = 0;
for (int i = 0; i < vertexCount; i++)
{
StaticVertex v = new StaticVertex();
if (position.Count > 0)
{
v.Position = position[faces[k] - 1];
k++;
}
if (texture.Count > 0)
{
v.TextureCoordinate = texture[faces[k] - 1];
k++;
}
if (normals.Count > 0)
{
v.Normal = normals[faces[k] - 1];
k++;
}
geom.VertexData.Add(v);
}
for (int i = 0; i < (geom.VertexData.Count); i++)
{
geom.IndexData.Add((short)i);
}
geom.MeshMaterial.Add(mate);
geom.FaceCounts.Add(geom.IndexData.Count);
return geom;
}
private static WaveFrontModel Create(StreamReader reader)
{
WaveFrontModel geom = new WaveFrontModel();
return geom;
}
private static WaveFrontModel Create(StreamReader reader)
{
WaveFrontModel geom = new WaveFrontModel();
return(geom);
}
private static WaveFrontModel CreateGeom(string name, List <Vector3> position, List <Vector3> normals, List <Vector2> texture, List <int> faces, Material mate)
{
WaveFrontModel geom = new WaveFrontModel();
geom.Name = name;
geom.VertexData = new List <StaticVertex>();
geom.IndexData = new List <int>();
int stride = 0;
if (position.Count > 0)
{
stride++;
}
if (normals.Count > 0)
{
stride++;
}
if (texture.Count > 0)
{
stride++;
}
int vertexCount = faces.Count / stride;
int k = 0;
for (int i = 0; i < vertexCount; i++)
{
StaticVertex v = new StaticVertex();
if (position.Count > 0)
{
v.Position = position[faces[k] - 1];
k++;
}
if (texture.Count > 0)
{
v.TextureCoordinate = texture[faces[k] - 1];
k++;
}
if (normals.Count > 0)
{
v.Normal = normals[faces[k] - 1];
k++;
}
geom.VertexData.Add(v);
}
for (int i = 0; i < (geom.VertexData.Count); i++)
{
geom.IndexData.Add((short)i);
}
geom.MeshMaterial.Add(mate);
geom.FaceCounts.Add(geom.IndexData.Count);
return(geom);
}
