public static SlimDX.Direct3D9.Mesh XPositionTexcoord(Device device, IndexedFeed feed)
{
VertexElement[] ve = new VertexElement[]{
new VertexElement(0, 0, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Position, 0),
new VertexElement(0, (short)Vector3.SizeInBytes, DeclarationType.Float2, DeclarationMethod.Default, DeclarationUsage.TextureCoordinate, 0),
VertexElement.VertexDeclarationEnd
};
SlimDX.Direct3D9.Mesh mesh = null;
DataStream vertices = null;
DataStream indices = null;
bool useShortIndices = true;
feed((nVertices, nFaces) =>
{
mesh = new SlimDX.Direct3D9.Mesh(device, nFaces, nVertices, MeshFlags.Managed, VertexFormat.Position | VertexFormat.Texture1);
vertices = mesh.VertexBuffer.Lock(0, nVertices*(Vector3.SizeInBytes + Vector2.SizeInBytes), LockFlags.None);
indices = mesh.IndexBuffer.Lock(0, sizeof(short)*nFaces*3, LockFlags.None);
},
(pos, texcoord) =>
{
vertices.Write(pos);
vertices.Write(texcoord);
},
(index) =>
{
if (useShortIndices)
indices.Write<short>((short)index);
else
indices.Write<int>((int)index);
});
mesh.VertexBuffer.Unlock();
mesh.IndexBuffer.Unlock();
return mesh;
}
public static SlimDX.Direct3D9.Mesh XPositionTexcoordNormal(Device device, IndexedFeed feed)
{
SlimDX.Direct3D9.Mesh mesh = null;
DataStream vertices = null;
DataStream indices = null;
bool useShortIndices = true;
feed((nVertices, nFaces) =>
{
mesh = new SlimDX.Direct3D9.Mesh(device, nFaces, nVertices, MeshFlags.Managed, VertexFormat.Position | VertexFormat.Texture1 | VertexFormat.Normal);
vertices = mesh.VertexBuffer.Lock(0, nVertices * (Vector3.SizeInBytes + Vector2.SizeInBytes + Vector3.SizeInBytes), LockFlags.None);
indices = mesh.IndexBuffer.Lock(0, sizeof(short) * nFaces * 3, LockFlags.None);
},
(pos, texcoord) =>
{
vertices.Write(pos);
vertices.Write(new Vector3(1, 1, 1));
vertices.Write(texcoord);
},
(index) =>
{
if (useShortIndices)
indices.Write<short>((short)index);
else
indices.Write<int>((int)index);
});
mesh.VertexBuffer.Unlock();
mesh.IndexBuffer.Unlock();
return mesh;
}
public static Mesh PositionTexcoord(Device device, IndexedFeed feed)
{
VertexElement[] ve = new VertexElement[]{
new VertexElement(0, 0, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Position, 0),
new VertexElement(0, (short)Vector3.SizeInBytes, DeclarationType.Float2, DeclarationMethod.Default, DeclarationUsage.TextureCoordinate, 0),
VertexElement.VertexDeclarationEnd
};
Mesh mesh = new Mesh();
mesh.MeshType = MeshType.Indexed;
mesh.VertexFormat = VertexFormat.Position | VertexFormat.Texture1;
mesh.VertexSize = Vector3.SizeInBytes + Vector2.SizeInBytes;
DataStream vertices = null;
DataStream indices = null;
bool useShortIndices = true;
feed((nVertices, nFaces) =>
{
mesh.NVertices = nVertices;
mesh.NFaces = nFaces;
if (mesh.NVertices >= short.MaxValue)
useShortIndices = false;
mesh.Vertices = new VertexBuffer(device, mesh.VertexSize * mesh.NVertices, Usage.None, VertexFormat.None/*mesh.VertexFormat*/, Pool.Managed);
mesh.Indices = new IndexBuffer(device, (useShortIndices ? sizeof(short) : sizeof(int)) * mesh.NFaces * 3, Usage.None, Pool.Managed, useShortIndices);
vertices = mesh.Vertices.Lock(0, mesh.VertexSize * mesh.NVertices, LockFlags.None);
indices = mesh.Indices.Lock(0, (useShortIndices ? sizeof(short) : sizeof(int)) * mesh.NFaces * 3, LockFlags.None);
},
(pos, texcoord) =>
{
vertices.Write(pos);
vertices.Write(texcoord);
},
(index) =>
{
if (useShortIndices)
indices.Write<short>((short)index);
else
indices.Write<int>((int)index);
});
mesh.Vertices.Unlock();
mesh.Indices.Unlock();
return mesh;
}
