public void FromGenMesh(GraphicsDevice _gd, GenMesh _mesh, bool _bComputeBounds)
{
//Clear GPU Buffers
ClearGPUVBOBuffers();
//Init
m_npartsCount = 0;
for (int i = 0; i < _mesh.m_genMeshParts.Count; i++)
{
GenMeshPart part = _mesh.m_genMeshParts[i];
MeshGPUPart partGPU = m_meshParts[i];
//Vertices
partGPU.m_gpuVertexBuffer = new VertexBuffer(_gd, typeof(VertexPosColorNorm), part.m_vertices.Count, BufferUsage.WriteOnly);
partGPU.m_gpuVertexBuffer.SetData(part.m_vertices.ToArray(), 0, part.m_vertices.Count);
//Indices
partGPU.m_gpuIndexBuffer = new IndexBuffer(_gd, typeof(ushort), part.m_indices.Count, BufferUsage.WriteOnly);
partGPU.m_gpuIndexBuffer.SetData(0, part.m_indices.ToArray(), 0, part.m_indices.Count);
m_npartsCount++;
}
}
public int AddVertex(ref Vector3 _p, ref Color _c, ref Vector3 _norm)
{
m_vcount++;
GenMeshPart part = m_genMeshParts[m_ncurPartIdx];
part.m_vertices.Add(new VertexPosColorNorm(_p, _c, _norm));
return(part.m_vertices.Count - 1);
}
private void AddNewPart()
{
GenMeshPart part = new GenMeshPart();
part.m_vertices = new List <VertexPosColorNorm>();
part.m_indices = new List <ushort>();
m_genMeshParts.Add(part); //New part
m_ncurPartIdx++;
m_icount = 0;
}
public void AddQuad(ushort _v0, ushort _v1, ushort _v2, ushort _v3)
{
GenMeshPart part = m_genMeshParts[m_ncurPartIdx];
//Tri1
part.m_indices.Add(_v0);
part.m_indices.Add(_v1);
part.m_indices.Add(_v2);
//Tri2
part.m_indices.Add(_v0);
part.m_indices.Add(_v2);
part.m_indices.Add(_v3);
m_icount += 6;
//Create New part if index buffer too big (>65536)
if (m_icount > ushort.MaxValue - 6)
{
AddNewPart();
}
}
/// <summary>
/// Clear vertices and indices
/// </summary>
public void Clear()
{
m_bGPUDirty = true;
m_vcount = 0;
m_icount = 0;
m_ncurPartIdx = -1;
for (int i = 0; i < m_genMeshParts.Count; i++)
{
GenMeshPart part = m_genMeshParts[i];
if (part.m_vertices != null)
{
part.m_vertices.Clear();
}
if (part.m_indices != null)
{
part.m_indices.Clear();
}
}
m_genMeshParts.Clear();
AddNewPart();
}