private void testEncoder(MeshEncoder encoder)
{
MemoryStream memory = new MemoryStream();
CtmFileWriter writer = new CtmFileWriter(memory, encoder);
writer.encode(quad, null);
memory.Seek(0, SeekOrigin.Begin);
Stream readMemory = new MemoryStream(memory.ToArray());
CtmFileReader reader = new CtmFileReader(readMemory);
Mesh m = reader.decode();
m.checkIntegrity();
MG2Encoder mg2 = encoder as MG2Encoder;
if (mg2 == null)
{
Assert.AreEqual(quad, m);
}
else
{
MG2MeshEqualsTest(mg2, quad, m);
}
}
private void MG2MeshEqualsTest(MG2Encoder enc, Mesh orig, Mesh read)
{
Assert.AreEqual(orig.getTriangleCount(), read.getTriangleCount(), "Trianglecount differs");
Assert.AreEqual(orig.getVertexCount(), read.getVertexCount(), "Vertexcount differs");
Assert.AreEqual(orig.hasNormals(), read.hasNormals(), "Only one has normals");
Grid grid = enc.setupGrid(orig.vertices);
SortableVertex[] sorted = enc.sortVertices(grid, orig.vertices);
int[] indexLUT = new int[sorted.Length];
for (int i = 0; i < sorted.Length; ++i)
{
indexLUT [sorted [i].originalIndex] = i;
}
for (int i = 0; i < orig.getVertexCount(); i++)
{
int newIndex = indexLUT [i];
for (int e = 0; e < Mesh.CTM_POSITION_ELEMENT_COUNT; e++)
{
Assert.IsTrue(compare(orig.vertices [i * 3 + e], read.vertices [newIndex * 3 + e], enc.vertexPrecision * 2),
"positions not in precision");
}
if (orig.hasNormals())
{
for (int e = 0; e < Mesh.CTM_NORMAL_ELEMENT_COUNT; e++)
{
Assert.IsTrue(compare(orig.normals [i * 3 + e], read.normals [newIndex * 3 + e], enc.normalPrecision * 10),
"normals not in precision");
}
}
}
testAttributeArrays(orig.texcoordinates, read.texcoordinates, indexLUT);
testAttributeArrays(orig.attributs, read.attributs, indexLUT);
}