public NVRDrawIndexedPrimitive(NVRMesh mesh, List <NVRVertex> vertices, List <int> indices, bool complex)
{
this.Parent = mesh;
this.Indices.AddRange(indices);
if (complex)
{
this.Vertices.AddRange(vertices);
if (vertices.Count > 0)
{
this.VertexType = vertices[0].GetVertexType();
NVRVertexType expectedType = NVRVertex.GetVertexTypeFromMaterial(mesh.Material);
if (expectedType != this.VertexType)
{
throw new InvalidVertexTypeException(mesh.Material.Type, expectedType);
}
}
}
else
{
this.VertexType = NVRVertexType.NVRVERTEX;
// Conversion to simple vertex
foreach (NVRVertex vertex in vertices)
{
this.Vertices.Add(new NVRVertex(vertex.Position));
}
}
}
public NVRDrawIndexedPrimitive(BinaryReader br, NVRBuffers buffers, NVRMesh mesh, bool isComplex)
{
this.Parent = mesh;
// Read vertices
this.VertexBuffer = br.ReadInt32();
this.FirstVertex = br.ReadInt32();
this.VertexCount = br.ReadInt32();
long currentOffset = br.BaseStream.Position;
// Find vertex type
int vertexSize = 12;
if (isComplex)
{
this.VertexType = NVRVertex.GetVertexTypeFromMaterial(mesh.Material);
switch (VertexType)
{
case NVRVertexType.NVRVERTEX_4:
vertexSize = NVRVertex4.Size;
break;
case NVRVertexType.NVRVERTEX_8:
vertexSize = NVRVertex8.Size;
break;
case NVRVertexType.NVRVERTEX_12:
vertexSize = NVRVertex12.Size;
break;
}
}
//Parse vertices
br.BaseStream.Seek(buffers.VertexBuffers[VertexBuffer].Offset + FirstVertex * vertexSize, SeekOrigin.Begin);
for (int i = 0; i < VertexCount; i++)
{
NVRVertex newVertex;
switch (VertexType)
{
case NVRVertexType.NVRVERTEX_4:
newVertex = new NVRVertex4(br);
break;
case NVRVertexType.NVRVERTEX_8:
newVertex = new NVRVertex8(br);
break;
case NVRVertexType.NVRVERTEX_12:
newVertex = new NVRVertex12(br);
break;
default:
newVertex = new NVRVertex(br);
break;
}
this.Vertices.Add(newVertex);
}
// Store indices
br.BaseStream.Seek(currentOffset, SeekOrigin.Begin);
this.IndexBuffer = br.ReadInt32();
this.FirstIndex = br.ReadInt32();
this.IndexCount = br.ReadInt32();
for (int i = FirstIndex; i < FirstIndex + IndexCount; i++)
{
this.Indices.Add(buffers.IndexBuffers[IndexBuffer].Indices[i]);
}
// Fix indices
int indicesMin = FindMin(this.Indices);
for (int i = 0; i < this.Indices.Count; i++)
{
this.Indices[i] -= indicesMin;
}
}