public void LoadConvexMeshData(ref FluxMesh mesh)
{
List <PxVec3> CookVertices = new List <PxVec3>();
foreach (SubMesh subMesh in mesh.Meshes)
{
CookVertices.AddRange(subMesh.Positions.ToCookerVertices());
}
mesh.ConvexMesh = Cooking.CreateConvexMesh(new ConvexMeshDesc(CookVertices));
DebugLog.Log($"Cooked convex mesh for {mesh.Name}", "Mesh Formatter");
}
private void MeshWriter_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
if (worker == null)
{
return;
}
MeshConvertRequest request = e.Argument as MeshConvertRequest;
if (request == null)
{
return;
}
int meshCount = request.MeshQueue.Count;
const int stageCount = 4;
int progressIncrement = 100 / meshCount / stageCount;
int progress = 0;
for (int i = 0; i < meshCount; i++)
{
FluxMesh mesh = request.MeshQueue.Dequeue();
string filePath = $"{request.SaveDirectory}\\{mesh.Name}";
FileStream stream = File.Create($"{filePath}.flux");
worker.ReportProgress(progress, $"'{mesh.Name}' Writing mesh data...");
WriteMesh(mesh, stream);
progress += progressIncrement;
stream.Close();
if (mesh.CookConvexMesh)
{
stream = File.Create($"{filePath}_convex.collision");
worker.ReportProgress(progress, $"'{mesh.Name}' Cooking convex mesh...");
WriteConvexMeshData(mesh, stream);
progress += progressIncrement;
stream.Close();
}
if (mesh.CookTriangleMesh)
{
stream = File.Create($"{filePath}_triangle.collision");
worker.ReportProgress(progress, $"'{mesh.Name}' Cooking triangle mesh...");
WriteTriangleMeshData(mesh, stream);
stream.Close();
}
progress += progressIncrement;
DebugLog.Log($"Exported {mesh.Name}", "Mesh Formatter");
}
}
public void LoadTriangleMeshData(ref FluxMesh mesh)
{
List <PxVec3> CookVertices = new List <PxVec3>();
List <int> CookIndices = new List <int>();
int currentIndexOffset = 0;
foreach (SubMesh subMesh in mesh.Meshes)
{
CookVertices.AddRange(subMesh.Positions.ToCookerVertices());
foreach (int index in subMesh.Indices)
{
CookIndices.Add(index + currentIndexOffset);
}
currentIndexOffset += subMesh.Positions.Count;
}
mesh.TriangleMesh = Cooking.CreateTriangleMesh(new TriangleMeshDesc(CookVertices, CookIndices));
DebugLog.Log($"Cooked triangle mesh for {mesh.Name}", "Mesh Formatter");
}
private bool WriteTriangleMeshData(FluxMesh mesh, Stream stream)
{
BinaryWriter writer = new BinaryWriter(stream, Encoding.Default);
try
{
if (mesh.TriangleMesh == null)
{
LoadTriangleMeshData(ref mesh);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
return(false);
}
writer.Write("TRIANGLEMESH");
writer.Write(mesh.TriangleMesh.MeshData.Count);
writer.Write(mesh.TriangleMesh.MeshData.ToArray());
return(true);
}
private bool WriteMesh(FluxMesh mesh, Stream stream)
{
BinaryWriter writer = new BinaryWriter(stream, Encoding.Default);
writer.Write("FLUX");
writer.Write((char)FLUX_VERSION.MIN);
writer.Write((char)FLUX_VERSION.MAX);
writer.Write((float)mesh.BoundingBox.Center.X);
writer.Write((float)mesh.BoundingBox.Center.Y);
writer.Write((float)mesh.BoundingBox.Center.Z);
writer.Write((float)mesh.BoundingBox.Extents.X);
writer.Write((float)mesh.BoundingBox.Extents.Y);
writer.Write((float)mesh.BoundingBox.Extents.Z);
writer.Write((int)mesh.Meshes.Count);
foreach (SubMesh subMesh in mesh.Meshes)
{
if (mesh.WriteIndices)
{
writer.Write("INDEX");
writer.Write(subMesh.Indices.Count);
writer.Write(sizeof(int));
foreach (uint index in subMesh.Indices)
{
writer.Write(index);
}
}
if (mesh.WritePositions)
{
writer.Write("POSITION");
writer.Write(subMesh.Positions.Count);
writer.Write(Marshal.SizeOf(typeof(Vector3D)));
foreach (Vector3D v in subMesh.Positions)
{
writer.Write(v);
}
}
if (mesh.WriteNormals)
{
writer.Write("NORMAL");
writer.Write(subMesh.Normals.Count);
writer.Write(Marshal.SizeOf(typeof(Vector3D)));
foreach (Vector3D v in subMesh.Normals)
{
writer.Write(v);
}
}
if (mesh.WriteTangents)
{
writer.Write("TANGENT");
writer.Write(subMesh.Tangents.Count);
writer.Write(Marshal.SizeOf(typeof(Vector3D)));
foreach (Vector3D v in subMesh.Tangents)
{
writer.Write(v);
}
}
if (mesh.WriteColors)
{
writer.Write("COLOR");
writer.Write(subMesh.VertexColors.Count);
writer.Write(Marshal.SizeOf(typeof(Color4D)));
foreach (Color4D c in subMesh.VertexColors)
{
writer.Write(c);
}
}
if (mesh.WriteTexcoords)
{
writer.Write("TEXCOORD");
writer.Write(subMesh.TexCoords.Count);
writer.Write(Marshal.SizeOf(typeof(Vector2D)));
foreach (Vector2D v in subMesh.TexCoords)
{
writer.Write(v);
}
}
writer.Write("ENDMESH");
}
return(true);
}
public FluxMesh LoadMesh(string filePath)
{
FluxMesh mesh = new FluxMesh();
mesh.Name = Path.GetFileNameWithoutExtension(filePath);
PostProcessSteps importFlags =
PostProcessSteps.Triangulate
| PostProcessSteps.JoinIdenticalVertices
| PostProcessSteps.CalculateTangentSpace
| PostProcessSteps.FlipUVs
| PostProcessSteps.GenerateSmoothNormals;
AssimpContext context = new AssimpContext();
Scene scene = context.ImportFile(filePath, importFlags);
var mats = scene.Materials;
mesh.BoundingBox = GetBoundingBox(scene);
foreach (Mesh sceneMesh in scene.Meshes)
{
SubMesh subMesh = new SubMesh();
subMesh.MaterialID = sceneMesh.MaterialIndex;
if (sceneMesh.HasVertices)
{
subMesh.Positions = sceneMesh.Vertices;
}
if (sceneMesh.HasNormals)
{
subMesh.Normals = sceneMesh.Normals;
}
if (sceneMesh.HasTangentBasis)
{
subMesh.Tangents = sceneMesh.Tangents;
}
if (sceneMesh.HasVertexColors(0))
{
subMesh.VertexColors = sceneMesh.VertexColorChannels[0];
}
if (sceneMesh.HasTextureCoords(0))
{
subMesh.TexCoords = sceneMesh.TextureCoordinateChannels[0].ToTexCoord();
}
if (sceneMesh.HasFaces)
{
subMesh.Indices = new List <int>(sceneMesh.GetIndices());
}
bool merged = false;
foreach (SubMesh subM in mesh.Meshes)
{
if (subM.TryMerge(subMesh))
{
merged = true;
break;
}
}
if (merged == false)
{
mesh.Meshes.Add(subMesh);
}
}
DebugLog.Log($"Imported mesh '{mesh.Name}'", "Mesh Formatter");
return(mesh);
}