public VertexInfoSimple(VertexInfo v)
{
this.m_color = new Vec4Simple(v.m_color);
this.m_normal = new Vec3Simple(v.m_normal);
this.m_position = new Vec3Simple(v.m_position);
this.m_textureUV = new Vec2Simple(v.m_textureUV);
this.m_textureUV2 = new Vec2Simple(v.m_textureUV2);
}
public VertexInfo(VertexInfo copy)
{
m_position = new Vec3(copy.m_position);
m_textureUV = new Vec2(copy.m_textureUV);
m_textureUV2 = new Vec2(copy.m_textureUV2);
m_normal = new Vec3(copy.m_normal);
m_color = new Vec4(copy.m_color);
}
public static Object Import(string path)
{
List <Vec3> vertices = new List <Vec3>();
List <Vec3> normals = new List <Vec3>();
List <Vec2> textureCoordinates = new List <Vec2>();
Dictionary <string, Material> materials = new Dictionary <string, Material>();
string fileName = path.Substring(1 + path.LastIndexOfAny(new char[] { '/', '\\' }));
string pathName = path.Substring(0, path.Length - fileName.Length);
Object ret = new Object(fileName);
Mesh currentMesh = null;
foreach (string line in File.ReadAllLines(path))
{
string l = line.Trim();
if (l.StartsWith("#") || l == "")
{
//--- do nothing = comment
}
else
{
if (l.StartsWith("v "))
{
string[] elements = l.Split(space, System.StringSplitOptions.RemoveEmptyEntries);
if (elements.Length != 4)
{
throw new Exception("Something wrong with obj file!");
}
vertices.Add(new Vec3((float)double.Parse(elements[1]), (float)double.Parse(elements[2]), (float)double.Parse(elements[3])));
}
else if (l.StartsWith("vn "))
{
string[] elements = l.Split(space, System.StringSplitOptions.RemoveEmptyEntries);
if (elements.Length != 4)
{
throw new Exception("Something wrong with obj file!");
}
normals.Add(new Vec3((float)double.Parse(elements[1]), (float)double.Parse(elements[2]), (float)double.Parse(elements[3])));
}
else if (l.StartsWith("vt "))
{
string[] elements = l.Split(space, System.StringSplitOptions.RemoveEmptyEntries);
if (elements.Length < 3)
{
throw new Exception("Something wrong with obj file!");
}
textureCoordinates.Add(new Vec2((float)double.Parse(elements[1]), (float)double.Parse(elements[2])));
}
else if (l.StartsWith("g "))
{
string groupName = l.Substring(2).Trim();
currentMesh = new Mesh(8);
currentMesh.m_name = groupName;
ret.AddNode(currentMesh);
}
else if (l.StartsWith("mtllib "))
{
string materialFile = pathName + l.Substring(7).Trim();
LoadMaterialLib(materialFile, materials);
}
else if (l.StartsWith("usemtl "))
{
currentMesh.Material = materials[l.Substring(7).Trim()];
}
else if (l.StartsWith("s "))
{
//--- ToDo: do something with smooth groups
}
else if (l.StartsWith("f "))
{
l = l.Substring(2).Trim();
string[] elements = l.Split(space, System.StringSplitOptions.RemoveEmptyEntries);
if (elements.Length > 4)
{
throw new System.NotImplementedException();
}
else if (elements.Length == 3)
{
bool setNormal;
VertexInfo v1 = Vert(elements[0], vertices, normals, textureCoordinates, out setNormal);
VertexInfo v2 = Vert(elements[1], vertices, normals, textureCoordinates, out setNormal);
VertexInfo v3 = Vert(elements[2], vertices, normals, textureCoordinates, out setNormal);
if (!setNormal)
{
Vec3 normal = Vec3.CalculateNormal(v1.m_position, v2.m_position, v3.m_position);
v1.m_normal = normal;
v2.m_normal = normal;
v3.m_normal = normal;
}
currentMesh.AddTriangle(v1, v2, v3);
}
else
{
throw new System.NotImplementedException();
}
}
else
{
throw new System.NotImplementedException();
}
}
}
return(ret);
}
