Mesh GetOrCreateInstance(FbxMesh fbxMesh)
{
Mesh mesh;
if (m_meshInstances.TryGetValue(fbxMesh, out mesh))
{
return(mesh);
}
// create the unity mesh vertices
var nVertices = fbxMesh.GetControlPointsCount();
var unityVertices = new Vector3[nVertices];
for (int i = 0; i < nVertices; ++i)
{
unityVertices[i] = V3(fbxMesh.GetControlPointAt(i));
}
// create the unity mesh triangles. TODO: maybe handle non-triangular faces more intelligently
var nPoly = fbxMesh.GetPolygonCount();
var unityTriangles = new List <int>();
for (int polyIndex = 0; polyIndex < nPoly; ++polyIndex)
{
var polySize = fbxMesh.GetPolygonSize(polyIndex);
if (polySize < 3)
{
// ignore lines and points
continue;
}
// Add the first triangle
unityTriangles.Add(fbxMesh.GetPolygonVertex(polyIndex, 0));
unityTriangles.Add(fbxMesh.GetPolygonVertex(polyIndex, 1));
unityTriangles.Add(fbxMesh.GetPolygonVertex(polyIndex, 2));
// If there's more triangles, assume they're a fan around the first vertex.
// Not necessarily true, but them's the breaks.
for (int i = 3; i < polySize; ++i)
{
unityTriangles.Add(fbxMesh.GetPolygonVertex(polyIndex, 0));
unityTriangles.Add(fbxMesh.GetPolygonVertex(polyIndex, i - 1));
unityTriangles.Add(fbxMesh.GetPolygonVertex(polyIndex, i));
}
}
mesh = new Mesh
{
name = fbxMesh.GetName(),
vertices = unityVertices,
triangles = unityTriangles.ToArray()
};
mesh.RecalculateNormals();
m_meshInstances[fbxMesh] = mesh;
return(mesh);
}
public void Mesh_SetNameSpaceThenSetInitialName_FirstCharacterIsStillMissing()
{
// given:
var obj = new FbxMesh("asdf");
obj.SetNameSpace("qwer");
// require:
Assert.AreEqual("asdf", obj.GetName());
Assert.AreEqual("qwer", obj.GetNameSpaceOnly());
// when:
obj.SetInitialName("zxcv");
// then:
Assert.AreEqual("zxcv", obj.GetInitialName());
Assert.AreEqual("zxcv", obj.GetName());
Assert.AreEqual("xcv", obj.GetNameOnly());
}
public void Mesh_SetNameUsingColons_IncludesNamespace()
{
// given:
var obj = new FbxMesh("asdf::Something|zxcv|qwer");
// then:
Assert.AreEqual("asdf::Something|zxcv|qwer", obj.GetName());
Assert.AreEqual("", obj.GetNameSpaceOnly());
Assert.AreEqual("Geometry::", obj.GetNameSpacePrefix());
Assert.AreEqual("Geometry::asdf::Something|zxcv|qwer", obj.GetNameWithNameSpacePrefix());
}
public void Mesh_GetNameWithoutNameSpacePrefix_GetsNameWithoutNamespacePrefix()
{
// given:
var obj = new FbxMesh("asdf");
// require:
Assert.AreEqual("asdf", obj.GetName());
// then:
Assert.AreEqual("asdf", obj.GetNameWithoutNameSpacePrefix());
}
public void Mesh_SetNameSpaceAndGetNameWithoutNameSpacePrefix_FirstCharacterIsNotMissing()
{
// given:
var obj = new FbxMesh("asdf");
obj.SetNameSpace("qwer");
// require:
Assert.AreEqual("asdf", obj.GetName());
Assert.AreEqual("qwer", obj.GetNameSpaceOnly());
// then:
Assert.AreEqual("asdf", obj.GetNameWithoutNameSpacePrefix());
}
public void Mesh_SetNameSpaceAndGetNameWithoutNameSpacePrefix_IncludesNamespace()
{
// given:
var obj = new FbxMesh("asdf");
obj.SetNameSpace("qwer");
// require:
Assert.AreEqual("asdf", obj.GetName());
Assert.AreEqual("qwer", obj.GetNameSpaceOnly());
Assert.AreEqual("Geometry::", obj.GetNameSpacePrefix());
// then:
Assert.AreEqual("Geometry::asdf", obj.GetNameWithNameSpacePrefix());
}
protected override void CheckScene(FbxScene scene)
{
base.CheckScene(scene);
FbxNode rootNode = scene.GetRootNode().GetChild(0);
Assert.IsNotNull(rootNode);
FbxMesh sharedMesh = rootNode.GetMesh();
Assert.IsNotNull(sharedMesh);
Assert.AreEqual(m_meshName, sharedMesh.GetName());
int matIndex = rootNode.GetMaterialIndex(m_materialName);
Assert.GreaterOrEqual(matIndex, 0);
FbxSurfaceMaterial sharedMat = rootNode.GetMaterial(matIndex);
Assert.IsNotNull(sharedMat);
// check that the mesh is the same for all children
CheckSceneHelper(rootNode, sharedMesh, sharedMat);
}
