private static TileModel ExtractModel(MapObjectDefinition wmo, DoodadDefinition definition)
{
var filePath = definition.FilePath;
var m2model = ExtractM2Model(filePath);
return TransformM2Model(wmo, definition, m2model);
}
private static TileModel TransformM2Model(MapObjectDefinition wmo, DoodadDefinition definition, M2Model m2model)
{
var model = new TileModel
{
Vertices = new Vector3[m2model.BoundingVertices.Length]
};
var origin = new Vector3(-definition.Position.X, definition.Position.Z, definition.Position.Y);
var wmoOrigin = CorrectWMOOrigin(wmo.Position);
var rotation = definition.Rotation;
var rotateY = Matrix.CreateRotationY((wmo.OrientationB - 90) * RadiansPerDegree);
for (var i = 0; i < m2model.BoundingVertices.Length; i++)
{
var vector = m2model.BoundingVertices[i];
var rotatedVector = Vector3.Transform(vector, rotation);
rotatedVector = TransformToIntermediateCoords(rotatedVector);
var finalModelVector = rotatedVector + origin;
var rotatedWMOVector = Vector3.Transform(finalModelVector, rotateY);
var finalWMOVector = rotatedWMOVector + wmoOrigin;
model.Vertices[i] = finalWMOVector;
}
// Add the triangle indices to the model
model.Triangles = new Index3[m2model.BoundingTriangles.Length];
for (var i = 0; i < m2model.BoundingTriangles.Length; i++)
{
var tri = m2model.BoundingTriangles[i];
model.Triangles[i] = new Index3
{
Index0 = (short)tri[2],
Index1 = (short)tri[1],
Index2 = (short)tri[0]
};
}
// Calculate the boundingbox
model.Bounds = new BoundingBox(model.Vertices);
return model;
}
static void ReadMODD(BinaryReader br, WMORoot wmo, uint size)
{
// Why oh why is wmo.Header.DoodadCount wrong sometimes
uint count = size / 40; // 40 is the size of DoodadDefinition
wmo.DoodadDefinitions = new DoodadDefinition[count];
for (int i = 0; i < wmo.DoodadDefinitions.Length; i++)
{
var dd = new DoodadDefinition
{
NameIndex = br.ReadInt32(),
Position = br.ReadVector3(),
Rotation = br.ReadQuaternion(),
Scale = br.ReadSingle(),
Color = br.ReadUInt32()
};
if (dd.NameIndex != -1)
{
if (!wmo.DoodadFiles.TryGetValue(dd.NameIndex, out dd.FilePath))
{
Console.WriteLine("Erroneous dd.NameIndex in WmoRoot: {0}", wmo.FilePath);
}
}
wmo.DoodadDefinitions[i] = dd;
}
}
