private static void MeshBuilder(ref StaticObject obj, ref MeshBuilder builder, AssimpNET.X.Mesh mesh)
{
if (builder.Vertices.Length != 0)
{
builder.Apply(ref obj);
builder = new MeshBuilder(Plugin.currentHost);
}
int nVerts = mesh.Positions.Count;
if (nVerts == 0)
{
//Some null objects contain an empty mesh
Plugin.currentHost.AddMessage(MessageType.Warning, false, "nVertices should be greater than zero in Mesh " + mesh.Name);
}
int v = builder.Vertices.Length;
Array.Resize(ref builder.Vertices, v + nVerts);
for (int i = 0; i < nVerts; i++)
{
builder.Vertices[v + i] = new Vertex(mesh.Positions[i].X, mesh.Positions[i].Y, mesh.Positions[i].Z);
}
int nFaces = mesh.PosFaces.Count;
int f = builder.Faces.Length;
Array.Resize(ref builder.Faces, f + nFaces);
for (int i = 0; i < nFaces; i++)
{
int fVerts = mesh.PosFaces[i].Indices.Count;
if (nFaces == 0)
{
throw new Exception("fVerts must be greater than zero");
}
builder.Faces[f + i] = new MeshFace();
builder.Faces[f + i].Vertices = new MeshFaceVertex[fVerts];
for (int j = 0; j < fVerts; j++)
{
builder.Faces[f + i].Vertices[j].Index = (ushort)mesh.PosFaces[i].Indices[j];
}
}
int nMaterials = mesh.Materials.Count;
int nFaceIndices = mesh.FaceMaterials.Count;
for (int i = 0; i < nFaceIndices; i++)
{
int fMaterial = (int)mesh.FaceMaterials[i];
builder.Faces[i].Material = (ushort)(fMaterial + 1);
}
for (int i = 0; i < nMaterials; i++)
{
int m = builder.Materials.Length;
Array.Resize(ref builder.Materials, m + 1);
builder.Materials[m] = new OpenBveApi.Objects.Material();
builder.Materials[m].Color = new Color32((byte)(255 * mesh.Materials[i].Diffuse.R), (byte)(255 * mesh.Materials[i].Diffuse.G), (byte)(255 * mesh.Materials[i].Diffuse.B), (byte)(255 * mesh.Materials[i].Diffuse.A));
double mPower = mesh.Materials[i].SpecularExponent; //TODO: Unsure what this does...
Color24 mSpecular = new Color24((byte)mesh.Materials[i].Specular.R, (byte)mesh.Materials[i].Specular.G, (byte)mesh.Materials[i].Specular.B);
builder.Materials[m].EmissiveColor = new Color24((byte)(255 * mesh.Materials[i].Emissive.R), (byte)(255 * mesh.Materials[i].Emissive.G), (byte)(255 * mesh.Materials[i].Emissive.B));
builder.Materials[m].EmissiveColorUsed = true; //TODO: Check exact behaviour
builder.Materials[m].TransparentColor = Color24.Black; //TODO: Check, also can we optimise which faces have the transparent color set?
builder.Materials[m].TransparentColorUsed = true;
if (mesh.Materials[i].Textures.Count > 0)
{
builder.Materials[m].DaytimeTexture = OpenBveApi.Path.CombineFile(currentFolder, mesh.Materials[i].Textures[0].Name);
if (!System.IO.File.Exists(builder.Materials[m].DaytimeTexture))
{
Plugin.currentHost.AddMessage(MessageType.Error, true, "Texure " + builder.Materials[m].DaytimeTexture + " was not found in file " + currentFile);
builder.Materials[m].DaytimeTexture = null;
}
}
}
if (mesh.TexCoords.Length > 0 && mesh.TexCoords[0] != null)
{
int nCoords = mesh.TexCoords[0].Count;
for (int i = 0; i < nCoords; i++)
{
builder.Vertices[i].TextureCoordinates = new Vector2(mesh.TexCoords[0][i].X, mesh.TexCoords[0][i].Y);
}
}
int nNormals = mesh.Normals.Count;
Vector3[] normals = new Vector3[nNormals];
for (int i = 0; i < nNormals; i++)
{
normals[i] = new Vector3(mesh.Normals[i].X, mesh.Normals[i].Y, mesh.Normals[i].Z);
normals[i].Normalize();
}
int nFaceNormals = mesh.NormFaces.Count;
if (nFaceNormals > builder.Faces.Length)
{
throw new Exception("nFaceNormals must match the number of faces in the mesh");
}
for (int i = 0; i < nFaceNormals; i++)
{
int nVertexNormals = mesh.NormFaces[i].Indices.Count;
if (nVertexNormals > builder.Faces[i].Vertices.Length)
{
throw new Exception("nVertexNormals must match the number of verticies in the face");
}
for (int j = 0; j < nVertexNormals; j++)
{
builder.Faces[i].Vertices[j].Normal = normals[(int)mesh.NormFaces[i].Indices[j]];
}
}
int nVertexColors = (int)mesh.NumColorSets;
for (int i = 0; i < nVertexColors; i++)
{
builder.Vertices[i] = new ColoredVertex((Vertex)builder.Vertices[i], new Color128(mesh.Colors[0][i].R, mesh.Colors[0][i].G, mesh.Colors[0][i].B, mesh.Colors[0][i].A));
}
}
private static void MeshBuilder(ref StaticObject obj, ref MeshBuilder builder, AssimpNET.X.Mesh mesh)
{
if (builder.Vertices.Count != 0)
{
builder.Apply(ref obj);
builder = new MeshBuilder(Plugin.currentHost);
}
int nVerts = mesh.Positions.Count;
if (nVerts == 0)
{
//Some null objects contain an empty mesh
Plugin.currentHost.AddMessage(MessageType.Warning, false, "nVertices should be greater than zero in Mesh " + mesh.Name);
}
for (int i = 0; i < nVerts; i++)
{
builder.Vertices.Add(new Vertex(mesh.Positions[i]));
}
int nFaces = mesh.PosFaces.Count;
for (int i = 0; i < nFaces; i++)
{
int fVerts = mesh.PosFaces[i].Indices.Count;
if (nFaces == 0)
{
throw new Exception("fVerts must be greater than zero");
}
MeshFace f = new MeshFace();
f.Vertices = new MeshFaceVertex[fVerts];
for (int j = 0; j < fVerts; j++)
{
f.Vertices[j].Index = (ushort)mesh.PosFaces[i].Indices[j];
}
builder.Faces.Add(f);
}
int nMaterials = mesh.Materials.Count;
int nFaceIndices = mesh.FaceMaterials.Count;
for (int i = 0; i < nFaceIndices; i++)
{
int fMaterial = (int)mesh.FaceMaterials[i];
MeshFace f = builder.Faces[i];
f.Material = (ushort)(fMaterial + 1);
builder.Faces[i] = f;
}
for (int i = 0; i < nMaterials; i++)
{
int m = builder.Materials.Length;
Array.Resize(ref builder.Materials, m + 1);
builder.Materials[m] = new OpenBveApi.Objects.Material();
builder.Materials[m].Color = new Color32((byte)(255 * mesh.Materials[i].Diffuse.R), (byte)(255 * mesh.Materials[i].Diffuse.G), (byte)(255 * mesh.Materials[i].Diffuse.B), (byte)(255 * mesh.Materials[i].Diffuse.A));
double mPower = mesh.Materials[i].SpecularExponent; //TODO: Unsure what this does...
Color24 mSpecular = new Color24((byte)mesh.Materials[i].Specular.R, (byte)mesh.Materials[i].Specular.G, (byte)mesh.Materials[i].Specular.B);
builder.Materials[m].EmissiveColor = new Color24((byte)(255 * mesh.Materials[i].Emissive.R), (byte)(255 * mesh.Materials[i].Emissive.G), (byte)(255 * mesh.Materials[i].Emissive.B));
builder.Materials[m].Flags |= MaterialFlags.Emissive; //TODO: Check exact behaviour
if (Plugin.EnabledHacks.BlackTransparency)
{
builder.Materials[m].TransparentColor = Color24.Black; //TODO: Check, also can we optimise which faces have the transparent color set?
builder.Materials[m].Flags |= MaterialFlags.TransparentColor;
}
if (mesh.Materials[i].Textures.Count > 0)
{
string texturePath = mesh.Materials[i].Textures[0].Name;
// If the specified file name is an absolute path, make it the file name only.
// Some object files specify absolute paths.
// And BVE4/5 doesn't allow textures to be placed in a different directory than the object file.
if (Plugin.EnabledHacks.BveTsHacks && OpenBveApi.Path.IsAbsolutePath(texturePath))
{
texturePath = texturePath.Split('/', '\\').Last();
}
try
{
builder.Materials[m].DaytimeTexture = OpenBveApi.Path.CombineFile(currentFolder, texturePath);
}
catch (Exception e)
{
Plugin.currentHost.AddMessage(MessageType.Error, false, $"Texture file path {texturePath} in file {currentFile} has the problem: {e.Message}");
builder.Materials[m].DaytimeTexture = null;
}
if (builder.Materials[m].DaytimeTexture != null && !System.IO.File.Exists(builder.Materials[m].DaytimeTexture))
{
Plugin.currentHost.AddMessage(MessageType.Error, true, "Texure " + builder.Materials[m].DaytimeTexture + " was not found in file " + currentFile);
builder.Materials[m].DaytimeTexture = null;
}
}
}
if (mesh.TexCoords.Length > 0 && mesh.TexCoords[0] != null)
{
int nCoords = mesh.TexCoords[0].Count;
for (int i = 0; i < nCoords; i++)
{
builder.Vertices[i].TextureCoordinates = new Vector2(mesh.TexCoords[0][i].X, mesh.TexCoords[0][i].Y);
}
}
int nNormals = mesh.Normals.Count;
Vector3[] normals = new Vector3[nNormals];
for (int i = 0; i < nNormals; i++)
{
normals[i] = new Vector3(mesh.Normals[i].X, mesh.Normals[i].Y, mesh.Normals[i].Z);
normals[i].Normalize();
}
int nFaceNormals = mesh.NormFaces.Count;
if (nFaceNormals > builder.Faces.Count)
{
throw new Exception("nFaceNormals must match the number of faces in the mesh");
}
for (int i = 0; i < nFaceNormals; i++)
{
int nVertexNormals = mesh.NormFaces[i].Indices.Count;
if (nVertexNormals > builder.Faces[i].Vertices.Length)
{
throw new Exception("nVertexNormals must match the number of verticies in the face");
}
for (int j = 0; j < nVertexNormals; j++)
{
builder.Faces[i].Vertices[j].Normal = normals[(int)mesh.NormFaces[i].Indices[j]];
}
}
int nVertexColors = (int)mesh.NumColorSets;
for (int i = 0; i < nVertexColors; i++)
{
builder.Vertices[i] = new ColoredVertex((Vertex)builder.Vertices[i], new Color128(mesh.Colors[0][i].R, mesh.Colors[0][i].G, mesh.Colors[0][i].B, mesh.Colors[0][i].A));
}
}
