public static WavefrontObjFile ToObj(NiFile model)
{
var obj = new WavefrontObjFile();
//var matrix = Matrix.RotationZ((float)Math.PI) * Matrix.RotationX(-(float)Math.PI/2f);
float d90 = (float)Math.PI / 2f;
var matrix = Matrix.Scaling(1, 1, -1) * Matrix.RotationYawPitchRoll(0, d90, 0);
AddModelToObj(obj, model, matrix, new[] { Program.Arguments.NifLayer }, false);
if (obj.MeshCount == 0)
{
AddModelToObj(obj, model, matrix, new string[0], true);
}
return(obj);
}
public void Dispose()
{
if (ObjWriter == null)
{
return;
}
DoorWriter.Flush();
DoorWriter.Dispose();
GeomSetWriter.Flush();
GeomSetWriter.Dispose();
ObjWriter.Save();
if (ObjWriter.Empty)
{
File.Delete(ObjWriter.File);
}
ObjWriter = null;
}
public Zone2Obj(Zone2 zone)
{
Zone = zone;
if (!Directory.Exists("zones"))
{
Directory.CreateDirectory("zones");
}
string filename = Path.Combine("zones", string.Format("zone{0:D3}", zone.ID));
DoorWriter = new DoorWriter(filename + ".doors");
GeomSetWriter = new GeomSetWriter(filename + ".geomset");
ObjWriter = new WavefrontObjFile(filename + ".obj")
{
Scale = MESH_SCALE
};
GeomSetWriter.WriteLoadMesh(filename + ".obj");
FirstPass = !NavmeshMgr.IsPathingEnabled(zone);
}
private static LosTreeType _LoadZone(Region region, Zone zone, string filename)
{
var(vertices, objects) = WavefrontObjFile.Load(zone, filename);
if (vertices == null || vertices.Length == 0 || objects == null)
{
return(null);
}
var zoneMin = new Vector3(float.PositiveInfinity);
var zoneMax = new Vector3(float.NegativeInfinity);
foreach (var v in vertices)
{
if (v.Z <= 0 || v.Z > 65530)
{
continue;
}
zoneMin = Vector3.Min(zoneMin, v);
zoneMax = Vector3.Max(zoneMax, v);
}
zoneMin.Z -= 500;
zoneMax.Z += 500;
var zoneTree = new LosTreeType(new AABoundingBox(zoneMin, zoneMax), 1);
foreach (var faces in objects)
{
foreach (var(a, b, c) in faces)
{
zoneTree.AddObject(new Triangle(vertices, a, b, c));
}
}
if (log.IsDebugEnabled)
{
log.Debug($"[LosMgr] Zone {zone.ZoneSkinID} loaded: {objects.Count:N0} objects {objects.Select(o => o.Length).Sum():N0} faces {vertices.Length:N0} vertices");
}
return(zoneTree);
}
public static void AddModelToObj(WavefrontObjFile objFile, NiFile model, Matrix worldMatrix, string[] filter, bool exclude)
{
if (model == null)
{
return;
}
bool foundMesh = false;
// find all trimeshs and tristrips
foreach (NiObject obj in model.ObjectsByRef.Values)
{
var avNode = obj as NiAVObject;
if (avNode == null || ((exclude && IsFiltered(avNode, filter)) || (!exclude && !IsFiltered(avNode, filter))))
{
continue;
}
var shape = obj as NiTriShape;
if (shape != null)
{
eFaceDrawMode mode = FindDrawMode(shape);
foundMesh = true;
Matrix myMatrix = ComputeWorldMatrix(shape) * worldMatrix;
var data = shape.Data.Object as NiTriShapeData;
if (data.Triangles.Length == 0)
{
continue;
}
var transformedVertices = new Vector3[data.Vertices.Length];
for (int i = 0; i < data.Vertices.Length; i++)
{
Vector4 transformedVector = Vector3.Transform(data.Vertices[i], myMatrix);
transformedVertices[i] = new Vector3(transformedVector.X, transformedVector.Y, transformedVector.Z);
}
var triangles = new List <Triangle>();
// CCW
if (mode == eFaceDrawMode.DRAW_BOTH ||
mode == eFaceDrawMode.DRAW_CCW ||
mode == eFaceDrawMode.DRAW_CCW_OR_BOTH)
{
for (int i = 0; i < data.Triangles.Length; i++)
{
triangles.Add(new Triangle(data.Triangles[i].Z, data.Triangles[i].Y, data.Triangles[i].X));
}
}
// CC
if (mode == eFaceDrawMode.DRAW_BOTH ||
mode == eFaceDrawMode.DRAW_CW)
{
foreach (Triangle t in data.Triangles)
{
triangles.Add(t);
}
}
objFile.AddMesh(transformedVertices, triangles.ToArray());
}
var strips = obj as NiTriStrips;
if (strips != null)
{
eFaceDrawMode mode = FindDrawMode(strips);
foundMesh = true;
Matrix myMatrix = ComputeWorldMatrix(strips) * worldMatrix;
var data = strips.Data.Object as NiTriStripsData;
var transformedVertices = new Vector3[data.Vertices.Length];
for (int i = 0; i < data.Vertices.Length; i++)
{
Vector4 transformedVector = Vector3.Transform(data.Vertices[i], myMatrix);
transformedVertices[i] = new Vector3(transformedVector.X, transformedVector.Y,
transformedVector.Z);
}
var triangles = new List <Triangle>();
foreach (var points in data.Points)
{
// CCW
if (mode == eFaceDrawMode.DRAW_BOTH ||
mode == eFaceDrawMode.DRAW_CCW ||
mode == eFaceDrawMode.DRAW_CCW_OR_BOTH)
{
for (int i = 0; i < points.Length - 2; i++)
{
triangles.Add(i % 2 == 0
? new Triangle(points[i + 2], points[i + 1], points[i + 0])
: new Triangle(points[i + 2], points[i + 0], points[i + 1]));
}
}
// CC
if (mode == eFaceDrawMode.DRAW_BOTH ||
mode == eFaceDrawMode.DRAW_CW)
{
for (int i = 0; i < points.Length - 2; i++)
{
triangles.Add(i % 2 == 0
? new Triangle(points[i + 0], points[i + 1], points[i + 2])
: new Triangle(points[i + 0], points[i + 2], points[i + 1]));
}
}
}
objFile.AddMesh(transformedVertices, triangles.ToArray());
}
}
if (!foundMesh && filter[0] == "pickee")
{
// no pickee found, use collide
Console.WriteLine("Warning: Using collidee!");
AddModelToObj(objFile, model, worldMatrix, new[] { "collide" }, false);
}
}