internal static MeshDef Load(FileSystem fs, string path)
{
MeshDef def = new MeshDef();
using (Stream s = fs.open(path))
{
BinaryReader br = new BinaryReader(s);
int version = br.ReadInt32();
int materials = br.ReadInt32();
for (int materialid = 0; materialid < materials; ++materialid)
{
MeshDef.MaterialDef m = def.addMaterial("m" + materialid.ToString());
m.texture = br.ReadString();
m.ambient = vec3.Read(br);
m.diffuse = vec3.Read(br);
m.specular = vec3.Read(br);
m.emissive = vec3.Read(br);
m.alpha = br.ReadSingle();
m.shininess = br.ReadSingle();
}
int bonecount = br.ReadInt32();
for (int boneid = 0; boneid < bonecount; ++boneid)
{
MeshDef.Bone bone = def.newBone();
bone.name = br.ReadString();
bone.parent = br.ReadInt32();
bone.pos = vec3.Read(br);
vec3 qv = vec3.Read(br);
bone.rot = new quat(br.ReadSingle(), qv);
}
int pointcount = br.ReadInt32();
for (int pointid = 0; pointid < pointcount; ++pointid)
{
int boneid = br.ReadInt32();
vec3 p = new vec3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
def.addPoint(p, boneid);
}
int uvcount = br.ReadInt32();
for (int uvid = 0; uvid < uvcount; ++uvid)
{
vec2 v = new vec2(br.ReadSingle(), br.ReadSingle());
def.AddUv(v);
}
int normalcount = br.ReadInt32();
for (int normalid = 0; normalid < normalcount; ++normalid)
{
vec3 p = new vec3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
def.addNomal(p);
}
for (int materialid = 0; materialid < materials; ++materialid)
{
def.selectMaterial("m" + materialid.ToString());
int tricount = br.ReadInt32();
for (int triid = 0; triid < tricount; ++triid)
{
MeshDef.VertexData[] data = new MeshDef.VertexData[3];
for (int i = 0; i < 3; ++i)
{
data[i].vertex = br.ReadInt32();
data[i].uv = br.ReadInt32();
data[i].normal = br.ReadInt32();
}
def.addTri(new MeshDef.Tri(data));
}
}
}
return(def);
}
public static MeshDef Load(FileSystem fs, string path)
{
MeshDef mesh = new MeshDef();
using (var file = fs.open(path))
{
foreach (string l in FileUtil.LinesIn(file))
{
string line = l.Trim();
if (string.IsNullOrEmpty(line) == false && line[0] != '#')
{
string[] data = line.Split(" \t".ToCharArray());
if (data[0] == "v")
{
mesh.addPoint(new vec3(floatParse(data[1]), floatParse(data[2]), floatParse(data[3])), -1);
}
else if (data[0] == "vt")
{
mesh.AddUv(new vec2(floatParse(data[1]), floatParse(data[2])));
}
else if (data[0] == "vn")
{
mesh.addNomal(new vec3(floatParse(data[1]), floatParse(data[2]), floatParse(data[3])));
}
else if (data[0] == "f")
{
List <MeshDef.VertexData> vd = new List <MeshDef.VertexData>();
for (int i = 1; i < data.Length; ++i)
{
string[] ind = data[i].Split("/".ToCharArray());
MeshDef.VertexData v = new MeshDef.VertexData();
v.vertex = int.Parse(ind[0]) - 1;
v.uv = int.Parse(ind[1]) - 1;
v.normal = int.Parse(ind[2]) - 1;
vd.Add(v);
}
if (vd.Count < 3)
{
throw new Exception("Face data incomplete");
}
for (int i = 2; i < vd.Count; ++i)
{
List <MeshDef.VertexData> arr = new List <MeshDef.VertexData>();
arr.Add(vd[0]);
arr.Add(vd[1]);
arr.Add(vd[i]);
mesh.addTri(new MeshDef.Tri(arr.ToArray()));
}
}
else if (data[0] == "usemtl")
{
mesh.selectMaterial(data[1].Trim());
}
else if (data[0] == "mtllib")
{
LoadMaterialLibrary(mesh, fs, Resolve(path, data[1].Trim()));
}
}
}
}
return(mesh);
}
