private FBXNode CreateFbxMesh(MeshLodSection section, FBXScene pScene)
{
FBXMesh fbxMesh = FBXMesh.Create(pScene, section.matName);
FBXGeometryElementNormal lGeometryElementNormal = fbxMesh.CreateElementNormal();
lGeometryElementNormal.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementBinormal lGeometryElementBiNormal = fbxMesh.CreateElementBinormal();
lGeometryElementBiNormal.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementTangent lGeometryElementTangent = fbxMesh.CreateElementTangent();
lGeometryElementTangent.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
fbxMesh.InitControlPoints(section.vertices.Count);
FBXGeometryElementMaterial lMaterialElement = fbxMesh.CreateElementMaterial();
lMaterialElement.SetMappingMode(FBXWrapper.MappingMode.eByPolygon);
lMaterialElement.SetReferenceMode(FBXWrapper.ReferenceMode.eIndexToDirect);
FBXGeometryElementUV lUVDiffuseElement = fbxMesh.CreateElementUV(section.matName);
lUVDiffuseElement.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
lUVDiffuseElement.SetReferenceMode(FBXWrapper.ReferenceMode.eIndexToDirect);
lUVDiffuseElement.SetIndexArrayCount(section.vertices.Count);
for (int j = 0; j < section.vertices.Count; j++)
{
FBXVector4 position = new FBXVector4(section.vertices[j].position.members[0] * exportScale, section.vertices[j].position.members[1] * exportScale, section.vertices[j].position.members[2] * exportScale, 0);
FBXVector4 normal = new FBXVector4(section.vertices[j].normals.members[0], section.vertices[j].normals.members[1], section.vertices[j].normals.members[2], section.vertices[j].normals.members[3]);
FBXVector4 textCoords = new FBXVector4(section.vertices[j].texCoords.members[0], (-section.vertices[j].texCoords.members[1] + 1), 0, 0);
FBXVector4 bitangent = new FBXVector4(section.vertices[j].biTangents.members[0], section.vertices[j].biTangents.members[1], section.vertices[j].biTangents.members[2], section.vertices[j].biTangents.members[3]);
FBXVector4 tangent = new FBXVector4(section.vertices[j].tangents.members[0], section.vertices[j].tangents.members[1], section.vertices[j].tangents.members[2], section.vertices[j].tangents.members[3]);
fbxMesh.SetControlPoint(j, position);
lGeometryElementNormal.Add(normal);
lGeometryElementBiNormal.Add(bitangent);
lGeometryElementTangent.Add(tangent);
lUVDiffuseElement.Add(textCoords);
}
for (int j = 0; j < section.indicies.Count; j++)
{
if (j % 3 == 0)
{
fbxMesh.EndPolygon();
fbxMesh.BeginPolygon();
}
fbxMesh.AddPolygon(section.indicies[j]);
}
fbxMesh.EndPolygon();
FBXNode lMeshNode = FBXNode.Create(pScene, section.matName);
lMeshNode.SetNodeAttribute(fbxMesh);
lMeshNode.AddMaterial(pScene, section.matName);
return(lMeshNode);
}
private FBXNode CreateFbxMesh(MeshLOD lod, FBXScene pScene)
{
FBXMesh fbxMesh = FBXMesh.Create(pScene, lod.shortName);
FBXNode lMeshNode = FBXNode.Create(pScene, lod.shortName);
lMeshNode.SetNodeAttribute(fbxMesh);
FBXGeometryElementNormal lGeometryElementNormal = fbxMesh.CreateElementNormal();
lGeometryElementNormal.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementBinormal lGeometryElementBiNormal = fbxMesh.CreateElementBinormal();
lGeometryElementBiNormal.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementTangent lGeometryElementTangent = fbxMesh.CreateElementTangent();
lGeometryElementTangent.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementMaterial lMaterialElement = fbxMesh.CreateElementMaterial();
lMaterialElement.SetMappingMode(FBXWrapper.MappingMode.eByPolygon);
lMaterialElement.SetReferenceMode(FBXWrapper.ReferenceMode.eIndexToDirect);
int verticesCount = lod.GetLODTotalVertCount();
fbxMesh.InitControlPoints(verticesCount);
List <FBXGeometryElementUV> UVs = new List <FBXGeometryElementUV>();
for (int i = 0; i < lod.sections.Count; i++)
{
MeshLodSection section = lod.sections[i];
FBXGeometryElementUV lUVDiffuseElement = fbxMesh.CreateElementUV(section.matName);
lUVDiffuseElement.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
lUVDiffuseElement.SetReferenceMode(FBXWrapper.ReferenceMode.eDirect);
UVs.Add(lUVDiffuseElement);
}
int VertexOffset = 0;
for (int i = 0; i < lod.sections.Count; i++)
{
MeshLodSection section = lod.sections[i];
for (int j = 0; j < section.vertices.Count; j++)
{
FBXVector4 position = new FBXVector4(section.vertices[j].position.members[0] * exportScale, section.vertices[j].position.members[1] * exportScale, section.vertices[j].position.members[2] * exportScale, 0);
FBXVector4 normal = new FBXVector4(section.vertices[j].normals.members[0], section.vertices[j].normals.members[1], section.vertices[j].normals.members[2], section.vertices[j].normals.members[3]);
FBXVector4 textCoords = new FBXVector4(section.vertices[j].texCoords.members[0], (-section.vertices[j].texCoords.members[1] + 1), 0, 0);
FBXVector4 bitangent = new FBXVector4(section.vertices[j].biTangents.members[0], section.vertices[j].biTangents.members[1], section.vertices[j].biTangents.members[2], section.vertices[j].biTangents.members[3]);
FBXVector4 tangent = new FBXVector4(section.vertices[j].tangents.members[0], section.vertices[j].tangents.members[1], section.vertices[j].tangents.members[2], section.vertices[j].tangents.members[3]);
fbxMesh.SetControlPoint(VertexOffset + j, position);
lGeometryElementNormal.Add(normal);
lGeometryElementBiNormal.Add(bitangent);
lGeometryElementTangent.Add(tangent);
int uvI = 0;
foreach (FBXGeometryElementUV uv in UVs)
{
if (uvI == i)
{
uv.Add(textCoords);
}
else
{
uv.Add(new FBXVector4(0, 0, 0, 0));
}
uvI++;
}
}
for (int j = 0; j < section.indicies.Count; j++)
{
if (j % 3 == 0)
{
fbxMesh.EndPolygon();
fbxMesh.BeginPolygon(i);
}
fbxMesh.AddPolygon(VertexOffset + section.indicies[j]);
}
fbxMesh.EndPolygon();
VertexOffset = VertexOffset + section.vertices.Count;
lMeshNode.AddMaterial(pScene, section.matName);
}
return(lMeshNode);
}