// process structure
/// <summary>Loads binary .X object data and returns a compatible mesh.</summary>
/// <param name="fileName">The platform-specific absolute file name of the object.</param>
/// <param name="structure">The object structure to process.</param>
/// <param name="obj">Receives the compatible mesh.</param>
/// <param name="encoding">The fallback encoding.</param>
private static bool ProcessStructure(string fileName, Structure structure, out OpenBveApi.Geometry.GenericObject obj, System.Text.Encoding encoding)
{
System.Globalization.CultureInfo culture = System.Globalization.CultureInfo.InvariantCulture;
OpenBveApi.Geometry.FaceVertexMesh compatibleMesh = new OpenBveApi.Geometry.FaceVertexMesh();
obj = null;
/*
* file
*/
for (int i = 0; i < structure.Data.Length; i++) {
Structure f = structure.Data[i] as Structure;
if (f == null) {
IO.ReportError(fileName, "Top-level inlined arguments are invalid");
return false;
}
switch (f.Name) {
case "Mesh":
{
/*
* mesh
*/
if (f.Data.Length < 4) {
IO.ReportError(fileName, "Mesh is expected to have at least 4 arguments");
return false;
} else if (!(f.Data[0] is int)) {
IO.ReportError(fileName, "nVertices is expected to be a DWORD in Mesh");
return false;
} else if (!(f.Data[1] is Structure[])) {
IO.ReportError(fileName, "vertices[nVertices] is expected to be a Vector array in Mesh");
return false;
} else if (!(f.Data[2] is int)) {
IO.ReportError(fileName, "nFaces is expected to be a DWORD in Mesh");
return false;
} else if (!(f.Data[3] is Structure[])) {
IO.ReportError(fileName, "faces[nFaces] is expected to be a MeshFace array in Mesh");
return false;
}
int nVertices = (int)f.Data[0];
if (nVertices < 0) {
IO.ReportError(fileName, "nVertices is expected to be non-negative in Mesh");
return false;
}
Structure[] sVertices = (Structure[])f.Data[1];
if (nVertices != sVertices.Length) {
IO.ReportError(fileName, "nVertices does not match with the length of array vertices in Mesh");
return false;
}
int nFaces = (int)f.Data[2];
if (nFaces < 0) {
IO.ReportError(fileName, "nFaces is expected to be non-negative in Mesh");
return false;
}
Structure[] sFaces = (Structure[])f.Data[3];
if (nFaces != sFaces.Length) {
IO.ReportError(fileName, "nFaces does not match with the length of array faces in Mesh");
return false;
}
/*
* collect vertices
*/
OpenBveApi.Geometry.Vertex[] vertices = new OpenBveApi.Geometry.Vertex[nVertices];
for (int j = 0; j < nVertices; j++) {
if (sVertices[j].Name != "Vector") {
IO.ReportError(fileName, "vertices[" + j.ToString(culture) + "] is expected to be of template Vertex in Mesh");
return false;
} else if (sVertices[j].Data.Length != 3) {
IO.ReportError(fileName, "vertices[" + j.ToString(culture) + "] is expected to have 3 arguments in Mesh");
return false;
} else if (!(sVertices[j].Data[0] is double)) {
IO.ReportError(fileName, "x is expected to be a float in vertices[" + j.ToString(culture) + "] in Mesh");
return false;
} else if (!(sVertices[j].Data[1] is double)) {
IO.ReportError(fileName, "y is expected to be a float in vertices[" + j.ToString(culture) + "] in Mesh");
return false;
} else if (!(sVertices[j].Data[2] is double)) {
IO.ReportError(fileName, "z is expected to be a float in vertices[" + j.ToString(culture) + "] in Mesh");
return false;
}
double x = (double)sVertices[j].Data[0];
double y = (double)sVertices[j].Data[1];
double z = (double)sVertices[j].Data[2];
vertices[j].SpatialCoordinates = new OpenBveApi.Math.Vector3(x, y, z);
}
/*
* collect faces
*/
int[][] faces = new int[nFaces][];
OpenBveApi.Math.Vector3[][] faceNormals = new OpenBveApi.Math.Vector3[nFaces][];
int[] faceMaterials = new int[nFaces];
for (int j = 0; j < nFaces; j++) {
faceMaterials[j] = -1;
}
for (int j = 0; j < nFaces; j++) {
if (sFaces[j].Name != "MeshFace") {
IO.ReportError(fileName, "faces[" + j.ToString(culture) + "] is expected to be of template MeshFace in Mesh");
return false;
} else if (sFaces[j].Data.Length != 2) {
IO.ReportError(fileName, "face[" + j.ToString(culture) + "] is expected to have 2 arguments in Mesh");
return false;
} else if (!(sFaces[j].Data[0] is int)) {
IO.ReportError(fileName, "nFaceVertexIndices is expected to be a DWORD in face[" + j.ToString(culture) + "] in Mesh");
return false;
} else if (!(sFaces[j].Data[1] is int[])) {
IO.ReportError(fileName, "faceVertexIndices[nFaceVertexIndices] is expected to be a DWORD array in face[" + j.ToString(culture) + "] in Mesh");
return false;
}
int nFaceVertexIndices = (int)sFaces[j].Data[0];
if (nFaceVertexIndices < 0) {
IO.ReportError(fileName, "nFaceVertexIndices is expected to be non-negative in MeshFace in Mesh");
return false;
}
int[] faceVertexIndices = (int[])sFaces[j].Data[1];
if (nFaceVertexIndices != faceVertexIndices.Length) {
IO.ReportError(fileName, "nFaceVertexIndices does not match with the length of array faceVertexIndices in face[" + j.ToString(culture) + "] in Mesh");
return false;
}
faces[j] = new int[nFaceVertexIndices];
faceNormals[j] = new OpenBveApi.Math.Vector3[nFaceVertexIndices];
for (int k = 0; k < nFaceVertexIndices; k++) {
if (faceVertexIndices[k] < 0 | faceVertexIndices[k] >= nVertices) {
IO.ReportError(fileName, "faceVertexIndices[" + k.ToString(culture) + "] does not reference a valid vertex in face[" + j.ToString(culture) + "] in Mesh");
return false;
}
faces[j][k] = faceVertexIndices[k];
faceNormals[j][k] = new OpenBveApi.Math.Vector3(0.0f, 0.0f, 0.0f);
}
}
/*
* collect additional templates
*/
Material[] materials = new Material[] { };
for (int j = 4; j < f.Data.Length; j++) {
Structure g = f.Data[j] as Structure;
if (g == null) {
IO.ReportError(fileName, "Unexpected inlined argument encountered in Mesh");
return false;
}
switch (g.Name) {
case "MeshMaterialList":
{
/*
* meshmateriallist
*/
if (g.Data.Length < 3) {
IO.ReportError(fileName, "MeshMaterialList is expected to have at least 3 arguments in Mesh");
return false;
} else if (!(g.Data[0] is int)) {
IO.ReportError(fileName, "nMaterials is expected to be a DWORD in MeshMaterialList in Mesh");
return false;
} else if (!(g.Data[1] is int)) {
IO.ReportError(fileName, "nFaceIndexes is expected to be a DWORD in MeshMaterialList in Mesh");
return false;
} else if (!(g.Data[2] is int[])) {
IO.ReportError(fileName, "faceIndexes[nFaceIndexes] is expected to be a DWORD array in MeshMaterialList in Mesh");
return false;
}
int nMaterials = (int)g.Data[0];
if (nMaterials < 0) {
IO.ReportError(fileName, "nMaterials is expected to be non-negative in MeshMaterialList in Mesh");
return false;
}
int nFaceIndexes = (int)g.Data[1];
if (nFaceIndexes < 0) {
IO.ReportError(fileName, "nFaceIndexes is expected to be non-negative in MeshMaterialList in Mesh");
return false;
} else if (nFaceIndexes > nFaces) {
IO.ReportError(fileName, "nFaceIndexes does not reference valid faces in MeshMaterialList in Mesh");
return false;
}
int[] faceIndexes = (int[])g.Data[2];
if (nFaceIndexes != faceIndexes.Length) {
IO.ReportError(fileName, "nFaceIndexes does not match with the length of array faceIndexes in face[" + j.ToString(culture) + "] in Mesh");
return false;
}
for (int k = 0; k < nFaceIndexes; k++) {
if (faceIndexes[k] < 0 | faceIndexes[k] >= nMaterials) {
IO.ReportError(fileName, "faceIndexes[" + k.ToString(culture) + "] does not reference a valid Material template in MeshMaterialList in Mesh");
return false;
}
}
/*
* collect material templates
*/
int mn = materials.Length;
Array.Resize<Material>(ref materials, mn + nMaterials);
for (int k = 0; k < nMaterials; k++) {
materials[mn + k].FaceColor = new OpenBveApi.Color.ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
materials[mn + k].SpecularColor = new OpenBveApi.Color.ColorRGB(0.0f, 0.0f, 0.0f);
materials[mn + k].EmissiveColor = new OpenBveApi.Color.ColorRGB(0.0f, 0.0f, 0.0f);
materials[mn + k].TextureFilename = null;
}
int materialIndex = mn;
for (int k = 3; k < g.Data.Length; k++) {
Structure h = g.Data[k] as Structure;
if (h == null) {
IO.ReportError(fileName, "Unexpected inlined argument encountered in MeshMaterialList in Mesh");
return false;
} else if (h.Name != "Material") {
IO.ReportError(fileName, "Material template expected in MeshMaterialList in Mesh");
return false;
} else {
/*
* material
*/
if (h.Data.Length < 4) {
IO.ReportError(fileName, "Material is expected to have at least 4 arguments in Material in MeshMaterialList in Mesh");
return false;
} else if (!(h.Data[0] is Structure)) {
IO.ReportError(fileName, "faceColor is expected to be a ColorRGBA in Material in MeshMaterialList in Mesh");
return false;
} else if (!(h.Data[1] is double)) {
IO.ReportError(fileName, "power is expected to be a float in Material in MeshMaterialList in Mesh");
return false;
} else if (!(h.Data[2] is Structure)) {
IO.ReportError(fileName, "specularColor is expected to be a ColorRGBA in Material in MeshMaterialList in Mesh");
return false;
} else if (!(h.Data[3] is Structure)) {
IO.ReportError(fileName, "emissiveColor is expected to be a ColorRGBA in Material in MeshMaterialList in Mesh");
return false;
}
Structure faceColor = (Structure)h.Data[0];
Structure specularColor = (Structure)h.Data[2];
Structure emissiveColor = (Structure)h.Data[3];
double red, green, blue, alpha;
/*
* collect face color
*/
if (faceColor.Name != "ColorRGBA") {
IO.ReportError(fileName, "faceColor is expected to be a ColorRGBA in Material in MeshMaterialList in Mesh");
return false;
} else if (faceColor.Data.Length != 4) {
IO.ReportError(fileName, "faceColor is expected to have 4 arguments in Material in MeshMaterialList in Mesh");
return false;
} else if (!(faceColor.Data[0] is double)) {
IO.ReportError(fileName, "red is expected to be a float in faceColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(faceColor.Data[1] is double)) {
IO.ReportError(fileName, "green is expected to be a float in faceColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(faceColor.Data[2] is double)) {
IO.ReportError(fileName, "blue is expected to be a float in faceColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(faceColor.Data[3] is double)) {
IO.ReportError(fileName, "alpha is expected to be a float in faceColor in Material in MeshMaterialList in Mesh");
return false;
}
red = (double)faceColor.Data[0];
green = (double)faceColor.Data[1];
blue = (double)faceColor.Data[2];
alpha = (double)faceColor.Data[3];
if (red < 0.0 | red > 1.0) {
IO.ReportError(fileName, "red is expected to be in the range from 0.0 to 1.0 in faceColor in Material in MeshMaterialList in Mesh");
red = red < 0.5 ? 0.0 : 1.0;
}
if (green < 0.0 | green > 1.0) {
IO.ReportError(fileName, "green is expected to be in the range from 0.0 to 1.0 in faceColor in Material in MeshMaterialList in Mesh");
green = green < 0.5 ? 0.0 : 1.0;
}
if (blue < 0.0 | blue > 1.0) {
IO.ReportError(fileName, "blue is expected to be in the range from 0.0 to 1.0 in faceColor in Material in MeshMaterialList in Mesh");
blue = blue < 0.5 ? 0.0 : 1.0;
}
if (alpha < 0.0 | alpha > 1.0) {
IO.ReportError(fileName, "alpha is expected to be in the range from 0.0 to 1.0 in faceColor in Material in MeshMaterialList in Mesh");
alpha = alpha < 0.5 ? 0.0 : 1.0;
}
materials[materialIndex].FaceColor = new OpenBveApi.Color.ColorRGBA((float)red, (float)green, (float)blue, (float)alpha);
/*
* collect specular color
*/
if (specularColor.Name != "ColorRGB") {
IO.ReportError(fileName, "specularColor is expected to be a ColorRGB in Material in MeshMaterialList in Mesh");
return false;
} else if (specularColor.Data.Length != 3) {
IO.ReportError(fileName, "specularColor is expected to have 3 arguments in Material in MeshMaterialList in Mesh");
return false;
} else if (!(specularColor.Data[0] is double)) {
IO.ReportError(fileName, "red is expected to be a float in specularColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(specularColor.Data[1] is double)) {
IO.ReportError(fileName, "green is expected to be a float in specularColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(specularColor.Data[2] is double)) {
IO.ReportError(fileName, "blue is expected to be a float in specularColor in Material in MeshMaterialList in Mesh");
return false;
}
red = (double)specularColor.Data[0];
green = (double)specularColor.Data[1];
blue = (double)specularColor.Data[2];
if (red < 0.0 | red > 1.0) {
IO.ReportError(fileName, "red is expected to be in the range from 0.0 to 1.0 in specularColor in Material in MeshMaterialList in Mesh");
red = red < 0.5 ? 0.0 : 1.0;
}
if (green < 0.0 | green > 1.0) {
IO.ReportError(fileName, "green is expected to be in the range from 0.0 to 1.0 in specularColor in Material in MeshMaterialList in Mesh");
green = green < 0.5 ? 0.0 : 1.0;
}
if (blue < 0.0 | blue > 1.0) {
IO.ReportError(fileName, "blue is expected to be in the range from 0.0 to 1.0 in specularColor in Material in MeshMaterialList in Mesh");
blue = blue < 0.5 ? 0.0 : 1.0;
}
materials[materialIndex].SpecularColor = new OpenBveApi.Color.ColorRGB((float)red, (float)green, (float)blue);
/*
* collect emissive color
*/
if (emissiveColor.Name != "ColorRGB") {
IO.ReportError(fileName, "emissiveColor is expected to be a ColorRGBA in Material in MeshMaterialList in Mesh");
return false;
} else if (emissiveColor.Data.Length != 3) {
IO.ReportError(fileName, "emissiveColor is expected to have 3 arguments in Material in MeshMaterialList in Mesh");
return false;
} else if (!(emissiveColor.Data[0] is double)) {
IO.ReportError(fileName, "red is expected to be a float in emissiveColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(emissiveColor.Data[1] is double)) {
IO.ReportError(fileName, "green is expected to be a float in emissiveColor in Material in MeshMaterialList in Mesh");
return false;
} else if (!(emissiveColor.Data[2] is double)) {
IO.ReportError(fileName, "blue is expected to be a float in emissiveColor in Material in MeshMaterialList in Mesh");
return false;
}
red = (double)emissiveColor.Data[0];
green = (double)emissiveColor.Data[1];
blue = (double)emissiveColor.Data[2];
if (red < 0.0 | red > 1.0) {
IO.ReportError(fileName, "red is expected to be in the range from 0.0 to 1.0 in emissiveColor in Material in MeshMaterialList in Mesh");
red = red < 0.5 ? 0.0 : 1.0;
}
if (green < 0.0 | green > 1.0) {
IO.ReportError(fileName, "green is expected to be in the range from 0.0 to 1.0 in emissiveColor in Material in MeshMaterialList in Mesh");
green = green < 0.5 ? 0.0 : 1.0;
}
if (blue < 0.0 | blue > 1.0) {
IO.ReportError(fileName, "blue is expected to be in the range from 0.0 to 1.0 in emissiveColor in Material in MeshMaterialList in Mesh");
blue = blue < 0.5 ? 0.0 : 1.0;
}
materials[materialIndex].EmissiveColor = new OpenBveApi.Color.ColorRGB((float)red, (float)green, (float)blue);
/*
* collect additional templates
*/
for (int l = 4; l < h.Data.Length; l++) {
Structure e = h.Data[l] as Structure;
if (e == null) {
IO.ReportError(fileName, "Unexpected inlined argument encountered in Material in MeshMaterialList in Mesh");
return false;
}
switch (e.Name) {
case "TextureFilename":
{
/*
* texturefilename
*/
if (e.Data.Length != 1) {
IO.ReportError(fileName, "filename is expected to have 1 argument in TextureFilename in Material in MeshMaterialList in Mesh");
return false;
} else if (!(e.Data[0] is string)) {
IO.ReportError(fileName, "filename is expected to be a string in TextureFilename in Material in MeshMaterialList in Mesh");
return false;
}
string filename = (string)e.Data[0];
materials[materialIndex].TextureFilename = filename;
} break;
default:
/*
* unknown
*/
IO.ReportError(fileName, "Unsupported template " + e.Name + " encountered in MeshMaterialList in Mesh");
break;
}
}
/*
* finish
*/
materialIndex++;
}
}
if (materialIndex != mn + nMaterials) {
IO.ReportError(fileName, "nMaterials does not match the number of Material templates encountered in Material in MeshMaterialList in Mesh");
return false;
}
/*
* assign materials
*/
for (int k = 0; k < nFaceIndexes; k++) {
faceMaterials[k] = faceIndexes[k];
}
if (nMaterials != 0) {
for (int k = 0; k < nFaces; k++) {
if (faceMaterials[k] == -1) {
faceMaterials[k] = 0;
}
}
}
/*
* assign reflective colors to the vertices within each face which uses each material
*/
for (int currentMaterial = 0; currentMaterial < materials.Length; currentMaterial++) {
for (int faceIndex = 0; faceIndex < faces.Length; faceIndex++) {
if (faceMaterials[faceIndex] == currentMaterial) {
foreach (int vertex in faces[faceIndex]) {
vertices[vertex].ReflectiveColor = materials[currentMaterial].FaceColor;
}
}
}
}
} break;
case "MeshTextureCoords":
{
/*
* meshtexturecoords
*/
if (g.Data.Length != 2) {
IO.ReportError(fileName, "MeshTextureCoords is expected to have 2 arguments in Mesh");
return false;
} else if (!(g.Data[0] is int)) {
IO.ReportError(fileName, "nTextureCoords is expected to be a DWORD in MeshTextureCoords in Mesh");
return false;
} else if (!(g.Data[1] is Structure[])) {
IO.ReportError(fileName, "textureCoords[nTextureCoords] is expected to be a Coords2d array in MeshTextureCoords in Mesh");
return false;
}
int nTextureCoords = (int)g.Data[0];
Structure[] textureCoords = (Structure[])g.Data[1];
if (nTextureCoords < 0 | nTextureCoords > nVertices) {
IO.ReportError(fileName, "nTextureCoords does not reference valid vertices in MeshTextureCoords in Mesh");
return false;
}
for (int k = 0; k < nTextureCoords; k++) {
if (textureCoords[k].Name != "Coords2d") {
IO.ReportError(fileName, "textureCoords[" + k.ToString(culture) + "] is expected to be a Coords2d in MeshTextureCoords in Mesh");
return false;
} else if (textureCoords[k].Data.Length != 2) {
IO.ReportError(fileName, "textureCoords[" + k.ToString(culture) + "] is expected to have 2 arguments in MeshTextureCoords in Mesh");
return false;
} else if (!(textureCoords[k].Data[0] is double)) {
IO.ReportError(fileName, "u is expected to be a float in textureCoords[" + k.ToString(culture) + "] in MeshTextureCoords in Mesh");
return false;
} else if (!(textureCoords[k].Data[1] is double)) {
IO.ReportError(fileName, "v is expected to be a float in textureCoords[" + k.ToString(culture) + "] in MeshTextureCoords in Mesh");
return false;
}
double u = (double)textureCoords[k].Data[0];
double v = (double)textureCoords[k].Data[1];
vertices[k].TextureCoordinates = new OpenBveApi.Math.Vector2(u, v);
}
} break;
case "MeshNormals":
{
/*
* meshnormals
*/
if (g.Data.Length != 4) {
IO.ReportError(fileName, "MeshNormals is expected to have 4 arguments in Mesh");
return false;
} else if (!(g.Data[0] is int)) {
IO.ReportError(fileName, "nNormals is expected to be a DWORD in MeshNormals in Mesh");
return false;
} else if (!(g.Data[1] is Structure[])) {
IO.ReportError(fileName, "normals is expected to be a Vector array in MeshNormals in Mesh");
return false;
} else if (!(g.Data[2] is int)) {
IO.ReportError(fileName, "nFaceNormals is expected to be a DWORD in MeshNormals in Mesh");
return false;
} else if (!(g.Data[3] is Structure[])) {
IO.ReportError(fileName, "faceNormals is expected to be a MeshFace array in MeshNormals in Mesh");
return false;
}
int nNormals = (int)g.Data[0];
if (nNormals < 0) {
IO.ReportError(fileName, "nNormals is expected to be non-negative in MeshNormals in Mesh");
return false;
}
Structure[] sNormals = (Structure[])g.Data[1];
if (nNormals != sNormals.Length) {
IO.ReportError(fileName, "nNormals does not match with the length of array normals in MeshNormals in Mesh");
return false;
}
int nFaceNormals = (int)g.Data[2];
if (nFaceNormals < 0 | nFaceNormals > nFaces) {
IO.ReportError(fileName, "nNormals does not reference valid vertices in MeshNormals in Mesh");
return false;
}
Structure[] sFaceNormals = (Structure[])g.Data[3];
if (nFaceNormals != sFaceNormals.Length) {
IO.ReportError(fileName, "nFaceNormals does not match with the length of array faceNormals in MeshNormals in Mesh");
return false;
}
/*
* collect normals
*/
OpenBveApi.Math.Vector3[] normals = new OpenBveApi.Math.Vector3[nNormals];
for (int k = 0; k < nNormals; k++) {
if (sNormals[k].Name != "Vector") {
IO.ReportError(fileName, "normals[" + k.ToString(culture) + "] is expected to be of template Vertex in MeshNormals in Mesh");
return false;
} else if (sNormals[k].Data.Length != 3) {
IO.ReportError(fileName, "normals[" + k.ToString(culture) + "] is expected to have 3 arguments in MeshNormals in Mesh");
return false;
} else if (!(sNormals[k].Data[0] is double)) {
IO.ReportError(fileName, "x is expected to be a float in normals[" + k.ToString(culture) + "] in MeshNormals in Mesh");
return false;
} else if (!(sNormals[k].Data[1] is double)) {
IO.ReportError(fileName, "y is expected to be a float in normals[" + k.ToString(culture) + " ]in MeshNormals in Mesh");
return false;
} else if (!(sNormals[k].Data[2] is double)) {
IO.ReportError(fileName, "z is expected to be a float in normals[" + k.ToString(culture) + "] in MeshNormals in Mesh");
return false;
}
double x = (double)sNormals[k].Data[0];
double y = (double)sNormals[k].Data[1];
double z = (double)sNormals[k].Data[2];
OpenBveApi.Math.Vector3 normal = new OpenBveApi.Math.Vector3(x, y, z);
if (!normal.IsNullVector()) {
normal.Normalize();
}
normals[k] = normal;
}
/*
* collect faces
*/
for (int k = 0; k < nFaceNormals; k++) {
if (sFaceNormals[k].Name != "MeshFace") {
IO.ReportError(fileName, "faceNormals[" + k.ToString(culture) + "] is expected to be of template MeshFace in MeshNormals in Mesh");
return false;
} else if (sFaceNormals[k].Data.Length != 2) {
IO.ReportError(fileName, "faceNormals[" + k.ToString(culture) + "] is expected to have 2 arguments in MeshNormals in Mesh");
return false;
} else if (!(sFaceNormals[k].Data[0] is int)) {
IO.ReportError(fileName, "nFaceVertexIndices is expected to be a DWORD in faceNormals[" + k.ToString(culture) + "] in MeshNormals in Mesh");
return false;
} else if (!(sFaceNormals[k].Data[1] is int[])) {
IO.ReportError(fileName, "faceVertexIndices[nFaceVertexIndices] is expected to be a DWORD array in faceNormals[" + k.ToString(culture) + "] in MeshNormals in Mesh");
return false;
}
int nFaceVertexIndices = (int)sFaceNormals[k].Data[0];
if (nFaceVertexIndices < 0 | nFaceVertexIndices > faces[k].Length) {
IO.ReportError(fileName, "nFaceVertexIndices does not reference a valid vertex in MeshFace in MeshNormals in Mesh");
return false;
}
int[] faceVertexIndices = (int[])sFaceNormals[k].Data[1];
if (nFaceVertexIndices != faceVertexIndices.Length) {
IO.ReportError(fileName, "nFaceVertexIndices does not match with the length of array faceVertexIndices in faceNormals[" + k.ToString(culture) + "] in MeshFace in MeshNormals in Mesh");
return false;
}
for (int l = 0; l < nFaceVertexIndices; l++) {
if (faceVertexIndices[l] < 0 | faceVertexIndices[l] >= nNormals) {
IO.ReportError(fileName, "faceVertexIndices[" + l.ToString(culture) + "] does not reference a valid normal in faceNormals[" + k.ToString(culture) + "] in MeshFace in MeshNormals in Mesh");
return false;
}
faceNormals[k][l] = normals[faceVertexIndices[l]];
}
}
} break;
default:
/*
* unknown
*/
IO.ReportError(fileName, "Unsupported template " + g.Name + " encountered in Mesh");
break;
}
}
/*
* default material
*/
if (materials.Length == 0) {
materials = new Material[1];
materials[0].FaceColor = new OpenBveApi.Color.ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
materials[0].EmissiveColor = new OpenBveApi.Color.ColorRGB(0.0f, 0.0f, 0.0f);
materials[0].SpecularColor = new OpenBveApi.Color.ColorRGB(0.0f, 0.0f, 0.0f);
materials[0].TextureFilename = null;
for (int j = 0; j < nFaces; j++) {
faceMaterials[j] = 0;
}
}
/*
* eliminate non-visible faces and associated properties
*/
int[][] visibleFaces = new int[nFaces][];
int newFaceCount = 0;
for (int currentFace = 0; currentFace < faces.Length; currentFace++) {
if (faces[currentFace].Length >= 3) {
visibleFaces[newFaceCount] = faces[currentFace];
faceNormals[newFaceCount] = faceNormals[currentFace];
faceMaterials[newFaceCount] = faceMaterials[currentFace];
newFaceCount++;
}
}
Array.Resize<int[]>(ref visibleFaces, newFaceCount);
Array.Resize<OpenBveApi.Math.Vector3[]>(ref faceNormals, newFaceCount);
Array.Resize<int>(ref faceMaterials, newFaceCount);
/*
* prepare compatible mesh for data
*/
int vertexCount = 0;
for (int j = 0; j < visibleFaces.Length; j++) {
foreach (int face in visibleFaces[j]) {
vertexCount++;
}
}
Array.Resize<OpenBveApi.Geometry.Vertex>(ref compatibleMesh.Vertices, vertexCount);
Array.Resize<OpenBveApi.Geometry.Face>(ref compatibleMesh.Faces, visibleFaces.Length);
Array.Resize<OpenBveApi.Geometry.Material>(ref compatibleMesh.Materials, materials.Length);
/*
* apply vertex data
*/
vertexCount = 0;
for (int faceIndex = 0; faceIndex < visibleFaces.Length; faceIndex++) {
compatibleMesh.Faces[faceIndex].Vertices = new int[visibleFaces[faceIndex].Length];
/*
* go through each list of vertices in face and get vertex data
*/
for (int vertexIndex = 0; vertexIndex < visibleFaces[faceIndex].Length; vertexIndex++) {
OpenBveApi.Geometry.Vertex newVertex = new OpenBveApi.Geometry.Vertex();
newVertex.SpatialCoordinates = vertices[visibleFaces[faceIndex][vertexIndex]].SpatialCoordinates;
newVertex.ReflectiveColor = vertices[visibleFaces[faceIndex][vertexIndex]].ReflectiveColor;
newVertex.TextureCoordinates = vertices[visibleFaces[faceIndex][vertexIndex]].TextureCoordinates;
newVertex.Tag = visibleFaces[faceIndex][vertexIndex];
/*
* check for null vector normal and create face derived normal if necessary
*/
if (!faceNormals[faceIndex][vertexIndex].IsNullVector()) {
newVertex.Normal = faceNormals[faceIndex][vertexIndex];
} else if (visibleFaces[faceIndex].Length >= 3) {
OpenBveApi.Math.Vector3 vertexA = vertices[visibleFaces[faceIndex][0]].SpatialCoordinates;
OpenBveApi.Math.Vector3 vertexB = vertices[visibleFaces[faceIndex][1]].SpatialCoordinates;
OpenBveApi.Math.Vector3 vertexC = vertices[visibleFaces[faceIndex][2]].SpatialCoordinates;
if (!OpenBveApi.Math.Vector3.CreateNormal(vertexA, vertexB, vertexC, out newVertex.Normal)) {
newVertex.Normal = OpenBveApi.Math.Vector3.Up;
}
}
/*
* assign vertex to mesh and finalise faces
*/
compatibleMesh.Vertices[vertexCount] = newVertex;
compatibleMesh.Faces[faceIndex].Vertices[vertexIndex] = vertexCount;
compatibleMesh.Faces[faceIndex].Type = OpenBveApi.Geometry.FaceType.Polygon;
vertexCount++;
}
}
/*
* assign texture wrap mode, texture handles, X format transparent color, and emissive colors
*/
for (int materialIndex = 0; materialIndex < materials.Length; materialIndex++) {
bool emissive = materials[materialIndex].EmissiveColor.R != 0 | materials[materialIndex].EmissiveColor.G != 0 | materials[materialIndex].EmissiveColor.B != 0;
if (materials[materialIndex].TextureFilename != null) {
/*
* default to clamp to edge and override if necessary
*/
OpenBveApi.Texture.TextureWrapMode horizontalWrapMode, verticalWrapMode;
horizontalWrapMode = OpenBveApi.Texture.TextureWrapMode.ClampToEdge;
verticalWrapMode = OpenBveApi.Texture.TextureWrapMode.ClampToEdge;
for (int j = 0; j < compatibleMesh.Faces.Length; j++) {
for (int k = 0; k < visibleFaces[j].Length; k++) {
if (vertices[visibleFaces[j][k]].TextureCoordinates.X < 0.0 | vertices[visibleFaces[j][k]].TextureCoordinates.X > 1.0) {
horizontalWrapMode = OpenBveApi.Texture.TextureWrapMode.Repeat;
}
if (vertices[visibleFaces[j][k]].TextureCoordinates.Y < 0.0 | vertices[visibleFaces[j][k]].TextureCoordinates.Y > 1.0) {
verticalWrapMode = OpenBveApi.Texture.TextureWrapMode.Repeat;
}
}
}
/*
* register texture and get handle
*/
string folder = System.IO.Path.GetDirectoryName(fileName);
string textureFile = OpenBveApi.Path.CombineFile(folder, materials[materialIndex].TextureFilename);
OpenBveApi.Path.PathReference path = new OpenBveApi.Path.FileReference(textureFile);
OpenBveApi.General.Origin origin = new OpenBveApi.General.Origin(path, null, encoding);
OpenBveApi.Color.TransparentColor transparentColor = new OpenBveApi.Color.TransparentColor(0, 0, 0, true);
OpenBveApi.Texture.TextureParameters parameters = new OpenBveApi.Texture.TextureParameters(transparentColor, horizontalWrapMode, verticalWrapMode, null);
OpenBveApi.Texture.TextureHandle handle;
if (Interfaces.Host.RegisterTexture(origin, parameters, out handle) == OpenBveApi.General.Result.Successful) {
compatibleMesh.Materials[materialIndex].DaytimeTexture = handle;
} else {
compatibleMesh.Materials[materialIndex].DaytimeTexture = null;
}
if (!System.IO.File.Exists(textureFile)) {
IO.ReportError(fileName, materialIndex.ToString(), textureFile.ToString());
}
}
compatibleMesh.Materials[materialIndex].EmissiveColor = materials[materialIndex].EmissiveColor;
compatibleMesh.Materials[materialIndex].NighttimeTexture = null;
}
/*
* assign material reference to face
*/
for (int j = 0; j < faceMaterials.Length; j++) {
compatibleMesh.Faces[j].Material = faceMaterials[j];
}
break;
}
case "Header":
break;
default:
/*
* unknown
*/
IO.ReportError(fileName, "Unsupported template " + f.Name + " encountered");
break;
}
}
/*
* return
*/
obj = compatibleMesh;
return true;
}
/// <summary>Gets the handle to the object associated to this structure.</summary>
/// <param name="encoding">The fallback encoding for loading objects.</param>
/// <param name="obj">Receives the handle to the object associated to this structure.</param>
/// <returns>The success of this operation. The operation fails if the object cannot be loaded or registered.</returns>
internal bool Get(Encoding encoding, out OpenBveApi.Geometry.ObjectHandle handle)
{
if (this.Status == StructureStatus.Pending) {
OpenBveApi.Path.FileReference file = new OpenBveApi.Path.FileReference(this.File);
OpenBveApi.General.Origin origin = new OpenBveApi.General.Origin(file, null, encoding);
OpenBveApi.General.Result result = Interfaces.Host.LoadObject(origin, out this.Object);
if (result == OpenBveApi.General.Result.Successful) {
if (this.Mirrored) {
this.Object.Scale(new OpenBveApi.Math.Vector3(-1.0, 1.0, 1.0));
}
result = Interfaces.Host.RegisterObject(this.Object, out this.Handle);
if (result == OpenBveApi.General.Result.Successful) {
this.Status = StructureStatus.LoadedAndRegistered;
handle = this.Handle;
return true;
} else {
this.Status = StructureStatus.LoadedCannotRegister;
handle = null;
return false;
}
} else {
this.Status = StructureStatus.CannotLoad;
handle = null;
return false;
}
} else if (this.Status == StructureStatus.LoadedPendingRegistration) {
OpenBveApi.General.Result result = Interfaces.Host.RegisterObject(this.Object, out this.Handle);
if (result == OpenBveApi.General.Result.Successful) {
this.Status = StructureStatus.LoadedAndRegistered;
handle = this.Handle;
return true;
} else {
this.Status = StructureStatus.LoadedCannotRegister;
handle = null;
return false;
}
} else if (this.Status == StructureStatus.LoadedAndRegistered) {
handle = this.Handle;
return true;
} else {
handle = null;
return false;
}
}