protected override DataStructures.Models.Model LoadFromFile(IFile file)
{
if (importer == null)
{
importer = new AssimpContext();
//importer.SetConfig(new NormalSmoothingAngleConfig(66.0f));
}
DataStructures.Models.Model model = new DataStructures.Models.Model();
DataStructures.Models.Bone bone = new DataStructures.Models.Bone(0, -1, null, "rootBone", CoordinateF.Zero, CoordinateF.Zero, CoordinateF.One, CoordinateF.One);
model.Bones.Add(bone);
Scene scene = importer.ImportFile(file.FullPathName);
DataStructures.Models.Texture tex = null;
if (scene.MaterialCount > 0)
{
//TODO: handle several textures
for (int i = 0; i < scene.MaterialCount; i++)
{
if (string.IsNullOrEmpty(scene.Materials[i].TextureDiffuse.FilePath))
{
continue;
}
string path = Path.Combine(Path.GetDirectoryName(file.FullPathName), scene.Materials[i].TextureDiffuse.FilePath);
if (!File.Exists(path))
{
path = scene.Materials[i].TextureDiffuse.FilePath;
}
if (File.Exists(path))
{
Bitmap bmp = new Bitmap(path);
tex = new DataStructures.Models.Texture {
Name = path,
Index = 0,
Width = bmp.Width,
Height = bmp.Height,
Flags = 0,
Image = bmp
};
}
break;
}
}
if (tex == null)
{
Bitmap bmp = new Bitmap(64, 64);
for (int i = 0; i < 64; i++)
{
for (int j = 0; j < 64; j++)
{
bmp.SetPixel(i, j, Color.DarkGray);
}
}
tex = new DataStructures.Models.Texture {
Name = "blank",
Index = 0,
Width = 64,
Height = 64,
Flags = 0,
Image = bmp
};
}
model.Textures.Add(tex);
AddNode(scene, scene.RootNode, model, tex, Matrix4x4.Identity);
return(model);
}
protected static void AddNode(Scene scene, Node node, DataStructures.Models.Model model, DataStructures.Models.Texture tex, Matrix4x4 parentMatrix)
{
Matrix4x4 selfMatrix = node.Transform * parentMatrix;
foreach (var meshIndex in node.MeshIndices)
{
DataStructures.Models.Mesh sledgeMesh = AddMesh(model, scene.Meshes[meshIndex], selfMatrix);
foreach (var v in sledgeMesh.Vertices)
{
v.TextureU *= tex.Width;
v.TextureV *= tex.Height;
}
model.AddMesh("mesh", 0, sledgeMesh);
}
foreach (var subNode in node.Children)
{
AddNode(scene, subNode, model, tex, selfMatrix);
}
}
private static void ReadTextureInfo(IFile file, BinaryReader br, ModelData data, DataStructures.Models.Model model, int numTextures, int textureIndex)
{
if (data.Version == MDLVersionGoldsource)
{
var tempBr = br;
var disp = false;
if (numTextures == 0)
{
disp = true;
var texFile = file.Parent.GetFile(file.NameWithoutExtension + "T." + file.Extension);
br = new BinaryReader(texFile.Open());
br.BaseStream.Position = 180; // skip all the unused nonsense in the T file
numTextures = br.ReadInt32();
textureIndex = br.ReadInt32();
var textureDataIndex = br.ReadInt32();
var numSkinRef = br.ReadInt32();
var numSkinFamilies = br.ReadInt32();
var skinIndex = br.ReadInt32();
}
br.BaseStream.Position = textureIndex;
for (var i = 0; i < numTextures; i++)
{
var name = br.ReadFixedLengthString(Encoding.ASCII, 64);
var flags = br.ReadInt32();
var width = br.ReadInt32();
var height = br.ReadInt32();
var index = br.ReadInt32();
var savedPosition = br.BaseStream.Position;
br.BaseStream.Position = index;
var indices = br.ReadBytes(width * height);
var palette = br.ReadBytes((byte.MaxValue + 1) * 3);
var bmp = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
var pal = bmp.Palette;
for (var j = 0; j <= byte.MaxValue; j++)
{
var k = j * 3;
pal.Entries[j] = Color.FromArgb(255, palette[k], palette[k + 1], palette[k + 2]);
}
bmp.Palette = pal;
var bmpData = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, bmp.PixelFormat);
Marshal.Copy(indices, 0, bmpData.Scan0, indices.Length);
bmp.UnlockBits(bmpData);
var tex = new DataStructures.Models.Texture
{
Name = name,
Index = i,
Width = width,
Height = height,
Flags = flags,
Image = bmp
};
model.Textures.Add(tex);
br.BaseStream.Position = savedPosition;
}
//
if (disp)
{
br.BaseStream.Dispose();
br.Dispose();
br = tempBr;
}
}
else if (data.Version >= MDLVersionSource2006)
{
}
}
