void LoadMesh(string fileName)
{
string data = null;
try
{
using (System.IO.StreamReader file = new System.IO.StreamReader(Settings.ModelDir + fileName))
{
// tiedosto muistiin
data = file.ReadToEnd();
}
}
catch (Exception e)
{
Log.Error(e.ToString());
}
//
string[] lines = data.Split('\n');
int line = 0;
while (true)
{
// new mesh
if (lines[line].StartsWith("o"))
{
ObjMesh mesh = new ObjMesh();
mesh.Name = lines[line].Split(' ')[1];
while (true)
{
if (lines[line + 1].StartsWith("v ") == false)
{
break;
}
string[] vert = lines[line + 1].Split(' ');
// [-1,1] -> [screenwidth, screenheight]
float x = ((MathExt.GetFloat(vert[1]) + 1) * 0.5f) * Settings.Width;
float y = MathExt.GetFloat(vert[2]); // not needed
float z = Settings.Height - (((MathExt.GetFloat(vert[3]) + 1) * 0.5f) * Settings.Height);
mesh.Vertices.Add(new Vector3(x, y, z));
line++;
}
// seuraava mesh
if (lines[line + 1].StartsWith("o "))
{
Meshes.Add(mesh);
continue;
}
while (lines[line + 1].StartsWith("usemtl ") == false)
{
line++;
}
string[] mat = lines[line + 1].Split(' ');
if (mat[1].StartsWith("_"))
{
mesh.UseMat = mat[1].Substring(1);
}
Meshes.Add(mesh);
// luo texture jos meshillä on materiaali
if (mesh.UseMat != "")
{
mesh.Tex = Texture2D.Load(Settings.TextureDir + mesh.UseMat);
// lev ja kor
float w = mesh.Vertices[0].X - mesh.Vertices[1].X;
float h = mesh.Vertices[0].Z - mesh.Vertices[2].Z;
// tuo on se koko millä se pitää piirtää esim 20x20
// mutta jos oikea kuva on 100x100, se pitää skaalata viidesosaks eli 0.2
// eli 20/100 = 0.2 eli w/img.w
mesh.ScaleX = w / (float)mesh.Tex.Width;
mesh.ScaleY = h / (float)mesh.Tex.Height;
}
if (mesh.Name.Contains("START"))
{
SX = mesh.Vertices[0].X;
SY = mesh.Vertices[0].Z;
}
}
line++;
if (line == lines.Length)
{
break;
}
}
}
void LoadMesh(string fileName)
{
string data = null;
try
{
using (System.IO.StreamReader file = new System.IO.StreamReader(Settings.ModelDir + fileName))
{
// tiedosto muistiin
data = file.ReadToEnd();
}
}
catch (Exception e)
{
Log.Error(e.ToString());
}
//
string[] lines = data.Split('\n');
int line = 0;
while (true)
{
// new mesh
if (lines[line].StartsWith("o"))
{
ObjMesh mesh = new ObjMesh();
mesh.Name = lines[line].Split(' ')[1];
while (true)
{
if (lines[line + 1].StartsWith("v ") == false)
break;
string[] vert = lines[line + 1].Split(' ');
// [-1,1] -> [screenwidth, screenheight]
float x = ((MathExt.GetFloat(vert[1]) + 1) * 0.5f) * Settings.Width;
float y = MathExt.GetFloat(vert[2]); // not needed
float z = Settings.Height - (((MathExt.GetFloat(vert[3]) + 1) * 0.5f) * Settings.Height);
mesh.Vertices.Add(new Vector3(x, y, z));
line++;
}
// seuraava mesh
if (lines[line + 1].StartsWith("o "))
{
Meshes.Add(mesh);
continue;
}
while (lines[line + 1].StartsWith("usemtl ") == false)
line++;
string[] mat = lines[line + 1].Split(' ');
if (mat[1].StartsWith("_"))
{
mesh.UseMat = mat[1].Substring(1);
}
Meshes.Add(mesh);
// luo texture jos meshillä on materiaali
if (mesh.UseMat != "")
{
mesh.Tex = Texture2D.Load(Settings.TextureDir + mesh.UseMat);
// lev ja kor
float w = mesh.Vertices[0].X - mesh.Vertices[1].X;
float h = mesh.Vertices[0].Z - mesh.Vertices[2].Z;
// tuo on se koko millä se pitää piirtää esim 20x20
// mutta jos oikea kuva on 100x100, se pitää skaalata viidesosaks eli 0.2
// eli 20/100 = 0.2 eli w/img.w
mesh.ScaleX = w / (float)mesh.Tex.Width;
mesh.ScaleY = h / (float)mesh.Tex.Height;
}
if (mesh.Name.Contains("START"))
{
SX = mesh.Vertices[0].X;
SY = mesh.Vertices[0].Z;
}
}
line++;
if (line == lines.Length)
break;
}
}
