/// <summary>
/// Prepares mesh to be "cell fit":
/// 1) uniform scale the mesh to fit to SIZE_OF_MESH x SIZE_OF_MESH on XZ plane;
/// 2) translates mesh to align its bounding box to center of coordiantes (0,0,0);
/// </summary>
void fitMesh(Mesh mesh)
{
MeshManipulator s = m_device.SceneManager.MeshManipulator;
float f = Math.Max(mesh.BoundingBox.Extent.X, mesh.BoundingBox.Extent.Z);
s.Scale(mesh, new Vector3Df(SIZE_OF_MESH / f));
s.Transform(mesh, new Matrix(mesh.BoundingBox.MinEdge * -1));
s.RecalculateNormals(mesh);
}
void loadCellMesh()
{
MeshManipulator s = m_device.SceneManager.MeshManipulator;
VideoDriver d = m_device.VideoDriver;
m_meshCell = m_device.SceneManager.GetMesh("cell.obj");
s.FlipSurfaces(m_meshCell); // i don't know why, but somehow this one OBJ exported by Blender has flipped faces when opened by Irrlicht
fitMesh(m_meshCell);
s.SetVertexColors(m_meshCell, Color.SolidWhite);
s.MakePlanarTextureMapping(m_meshCell, 0.10f);
Material m = new Material();
m.Type = MaterialType.Reflection2Layer;
m.SetTexture(0, d.GetTexture("TEXTURE-unk.jpg"));
m.SetTexture(1, d.GetTexture("TEXTURE-ref.jpg"));
m_meshCell.MeshBuffers[0].SetMaterial(m);
s.Transform(m_meshCell, new Matrix(new Vector3Df(0), new Vector3Df(0, -90, 180)));
s.RecalculateNormals(m_meshCell);
}
