private bool loadMeshFaces(Mesh mesh)
{
bool success = true;
int nextToken = 0;
int f, i;
bool haveNext = false;
readBlockStart();
while (haveNext || (nextToken = scanner.yylex()) != (int)TokenType.BlockEnd)
{
if (nextToken != (int)TokenType.Node)
{
Console.Error.WriteLine("Expected a node" + " - " + scanner.yytext);
}
haveNext = false;
string str = scanner.yytext;
if (str.Equals("*MESH_FACE"))
{
string index;
if (!readIndex(out index))
{
success = false;
continue;
}
f = int.Parse(index);
if (f >= mesh.faceCount)
Console.Error.WriteLine("File referred to a non-existent face ({0} >= {1})", f, mesh.faces.Count);
Face face = mesh.faces[f];
face.vertex = new int[3];
for (i = 0; i < 3; i++)
{
if (!readIndex()) success = false;
if (!readInt(out face.vertex[i])) success = false;
}
if (!readIndex()) success = false;
if (!readInt(out face.ab)) success = false;
if (!readIndex()) success = false;
if (!readInt(out face.bc)) success = false;
if (!readIndex()) success = false;
if (!readInt(out face.ca)) success = false;
mesh.faces[f] = face;
}
else
{
if ((nextToken = skip()) == (int)TokenType.BlockEnd || nextToken < 1) break;
haveNext = true;
}
}
return success;
}
private bool loadMeshNormals(Mesh mesh)
{
bool success = true;
int nextToken = 0;
int i;
bool haveNext = false;
readBlockStart();
while (haveNext || (nextToken = scanner.yylex()) != (int)TokenType.BlockEnd)
{
if (nextToken != (int)TokenType.Node)
{
Console.Error.WriteLine("Expected a node");
}
haveNext = false;
if (scanner.yytext.Equals("*MESH_FACENORMAL"))
{
if (!readInt(out i))
{
success = false;
continue;
}
if (i >= mesh.faceCount)
{
Console.Error.WriteLine("File referred to a non-existent face");
success = false;
continue;
}
Face face = mesh.faces[i];
if (!readVector3D(out face.faceNormal)) success = false;
mesh.faces[i] = face;
}
else if (scanner.yytext.Equals("*MESH_VERTEXNORMAL"))
{
if (!readInt(out i))
{
success = false;
continue;
}
if (i >= mesh.vertexCount)
{
Console.Error.WriteLine("File referred to a non-existent vertex");
success = false;
continue;
}
Vector3D normal = mesh.vertexNormals[i];
if (!readVector3D(out normal)) success = false;
mesh.vertexNormals[i] = normal;
}
else
{
if ((nextToken = skip()) == (int)TokenType.BlockEnd || nextToken < 1) break;
haveNext = true;
}
}
return success;
}
private bool loadMesh(out Mesh mesh)
{
bool success = true;
int nextToken = 0;
bool haveNext = false;
mesh = new Mesh();
readBlockStart();
while (haveNext || (nextToken = scanner.yylex()) != (int)TokenType.BlockEnd)
{
if (nextToken != (int)TokenType.Node)
{
Console.Error.WriteLine("Expected a node" + " - " + scanner.yytext);
}
haveNext = false;
string str = scanner.yytext;
if (str.Equals("*TIMEVALUE"))
{
if (!readInt(out mesh.timeValue)) success = false;
}
else if (str.Equals("*MESH_NUMVERTEX"))
{
if (!readInt(out mesh.vertexCount)) success = false;
mesh.vertexNormals = new List<Vector3D>();
for (int i = 0; i < mesh.vertexCount; i++) mesh.vertexNormals.Add(new Vector3D());
}
else if (str.Equals("*MESH_NUMFACES"))
{
if (!readInt(out mesh.faceCount)) success = false;
mesh.faces = new List<Face>();
for (int i = 0; i < mesh.faceCount; i++) mesh.faces.Add(new Face());
}
else if (str.Equals("*MESH_VERTEX_LIST"))
{
readBlockStart();
while ((nextToken = scanner.yylex()) != (int)TokenType.BlockEnd)
{
int i;
if (nextToken != (int)TokenType.Node || !scanner.yytext.Equals("*MESH_VERTEX"))
{
Console.Error.WriteLine("Expected a *MESH_VERTEX node");
continue;
}
if (!readInt(out i)) success = false;
if (i >= mesh.vertexCount)
{
Console.Error.WriteLine("File referred to a non-existent vertex");
continue;
}
if (mesh.verticies == null) mesh.verticies = new List<Vector3D>();
Vector3D vertex;
if (!readVector3D(out vertex)) success = false;
mesh.verticies.Add(vertex);
}
}
else if (str.Equals("*MESH_FACE_LIST"))
{
if (!loadMeshFaces(mesh)) success = false;
}
else if (str.Equals("*MESH_NUMTVERTEX"))
{
if (!readInt(out mesh.textureCoordinateCount)) success = false;
}
else if (str.Equals("*MESH_TVERTLIST"))
{
readBlockStart();
while ((nextToken = scanner.yylex()) != (int)TokenType.BlockEnd)
{
int i;
if (nextToken != (int)TokenType.Node || !scanner.yytext.Equals("*MESH_TVERT"))
{
Console.Error.WriteLine("Expected a *MESH_TVERT node");
continue;
}
if (!readInt(out i)) success = false;
if (i >= mesh.textureCoordinateCount)
{
Console.Error.WriteLine("File referred to a non-existent vertex");
continue;
}
if (mesh.textureCoordinates == null) mesh.textureCoordinates = new List<Vector3D>();
Vector3D vertex;
if (!readVector3D(out vertex)) success = false;
mesh.textureCoordinates.Add(vertex);
}
}
else if (str.Equals("*MESH_NUMTVFACES"))
{
int i;
if (!readInt(out i)) success = false;
if (i != mesh.faceCount)
Console.Error.WriteLine("Expected face texture count does not match face count");
}
else if (str.Equals("*MESH_TFACELIST"))
{
readBlockStart();
while ((nextToken = scanner.yylex()) != (int)TokenType.BlockEnd)
{
int i;
if (nextToken != (int)TokenType.Node || !scanner.yytext.Equals("*MESH_TFACE"))
{
Console.Error.WriteLine("Expected a *MESH_TFACE node");
continue;
}
if (!readInt(out i)) success = false;
if (i >= mesh.faceCount)
{
Console.Error.WriteLine("File referred to a non-existent face");
continue;
}
if (mesh.faces != null)
{
Face face = mesh.faces[i];
if (!readInt3(out face.textureCoordinates)) success = false;
mesh.faces[i] = face;
}
else
{
success = false;
}
}
}
else if (str.Equals("*MESH_NORMALS"))
{
if (!loadMeshNormals(mesh)) success = false;
}
else
{
if ((nextToken = skip()) == (int)TokenType.BlockEnd || nextToken < 1) break;
haveNext = true;
}
}
return success;
}
