private static void updateMatrix(ref List <mat44> result, MeshDef.Bone bone, Pose pose, List <MeshDef.Bone> list)
{
mat44 parent;
if (bone.parentBone == null)
{
parent = mat44.Identity;
}
else
{
parent = result[bone.parent];
}
vec3 loc = pose.bones[bone.index].location;
quat rot = pose.bones[bone.index].rotation;
// bone.pos Rotate(-bone.rot).
result[bone.index] = new MatrixHelper(parent).Rotate(bone.rot).Translate(bone.pos).Translate(loc).Rotate(-rot).mat44;
foreach (MeshDef.Bone b in bone.childs)
{
updateMatrix(ref result, b, pose, list);
}
}
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);
}