public static void LoadSceneFromFolder(string folderName)
{
try
{
if (Directory.Exists(folderName))
{
// ------ LOAD GEOMETRY ------ //
string[] OBJs = Directory.GetFiles(folderName, "*.obj");
foreach (string OBJ in OBJs)
{
StreamReader obj = new StreamReader(OBJ);
char[] spl = new char[] { ' ' };
char[] splFace = new char[] { '/' };
string[] line;
Mesh mesh = new Mesh();
List <Vec2> vt = new List <Vec2>();
mesh.tag = "world";
mesh.colour = new Colour(37, 95, 75);
while (!obj.EndOfStream)
{
line = obj.ReadLine().Split(spl);
switch (line[0])
{
case "v":
mesh.AddVert(float.Parse(line[1], CultureInfo.InvariantCulture), float.Parse(line[2], CultureInfo.InvariantCulture), float.Parse(line[3], CultureInfo.InvariantCulture));
break;
case "vt":
vt.Add(new Vec2(float.Parse(line[1], CultureInfo.InvariantCulture), float.Parse(line[2], CultureInfo.InvariantCulture)));
break;
case "f":
Face face = new Face();
for (int i = 1; i < line.Length; i++)
{
string[] fDat = line[i].Split(splFace);
for (int p = 0; p < fDat.Length; p++)
{
switch (p)
{
case 0:
face.verts.Add(int.Parse(fDat[0]) - 1);
break;
case 1:
face.uv.Add(vt[int.Parse(fDat[1]) - 1]);
break;
}
}
}
if (face.verts.Count > 2)
{
mesh.AddFace(face);
}
break;
}
}
obj.Close();
}
// ------ LOAD TEXTURE ------ //
string[] MTLs = Directory.GetFiles(folderName, "*.mtl");
uint texID = 0;
GL.GenTextures(texture.Length, texture);
foreach (string MTL in MTLs)
{
StreamReader mtl = new StreamReader(MTL);
char[] spl = new char[] { ' ' };
string[] splMat = new string[] { @"..\", ".png" };
char[] splName = new char[] { @"\"[0] };
string[] line;
string texDir = "";
string texName;
while (!mtl.EndOfStream)
{
line = mtl.ReadLine().Split(spl);
switch (line[0])
{
case "map_Kd":
if (line[1].Split(splMat, StringSplitOptions.None).Length > 2)
{
texDir = Editor.cf_gameDir + "\\Data\\World\\Levels\\_raytwol\\" + line[1].Split(splMat, StringSplitOptions.None)[1] + ".png";
}
break;
}
}
mtl.Close();
texName = texDir.Split(splName)[texDir.Split(splName).Length - 1];
bool transparent = false;
if (texDir != "")
{
Bitmap textureImage = new Bitmap(Image.FromFile(texDir));
textureImage.RotateFlip(RotateFlipType.RotateNoneFlipY);
// -- Check cache --
bool texFound = false;
if (File.Exists("RayTwol_texcache.txt"))
{
var cache = new StreamReader("RayTwol_texcache.txt");
while (!cache.EndOfStream)
{
string[] l = cache.ReadLine().Split(spl);
if (l[0] == texName)
{
texFound = true;
if (l[1] == "tr")
{
transparent = true;
}
else if (l[1] == "op")
{
transparent = false;
}
}
}
cache.Close();
}
if (!texFound)
{
transparent = Func.CheckIfTransparent(textureImage);
var cache = new StreamWriter("RayTwol_texcache.txt", true);
if (transparent)
{
cache.WriteLine(texName + " tr");
}
else
{
cache.WriteLine(texName + " op");
}
cache.Close();
}
// -- OpenGL --
GL.BindTexture(TextureTarget.Texture2D, texture[texID]);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, textureImage.Width, textureImage.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte,
textureImage.LockBits(new Rectangle(0, 0, textureImage.Width, textureImage.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb).Scan0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Linear);
}
Meshes.all[(int)texID].texID = texID;
if (transparent)
{
Meshes.world_transparent.Add(Meshes.all[(int)texID]);
}
else
{
Meshes.world_opaque.Add(Meshes.all[(int)texID]);
}
texID++;
}
textureCount = (int)texID;
}
}
catch (Exception e)
{
var warn = new Warning("Error", string.Format("The geometry for this level could not be loaded ({0}). Press OK to re-initialise, or Cancel to continue.", e.Message)).ShowDialog();
if (warn.Value)
{
Setup.FirstTimeSetup();
Environment.Exit(0);
}
}
}
