/*-----------------------------------------------------------------------------------------
*
* Save/Load stuff :
*
* -----------------------------------------------------------------------------------------*/
/// <summary>
/// Loads scene
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static Scene Load(Stream stream)
{
var scene = new Scene();
using (var reader = new BinaryReader(stream)) {
if (!reader.CheckMagic("SCN1"))
{
throw new Exception("Bad scene format. SCN1 expected.");
}
//---------------------------------------------
scene.StartTime = new TimeSpan(reader.ReadInt64());
scene.EndTime = new TimeSpan(reader.ReadInt64());
scene.firstFrame = reader.ReadInt32();
scene.lastFrame = reader.ReadInt32();
scene.trackCount = reader.ReadInt32();
if (!reader.CheckMagic("ANIM"))
{
throw new Exception("Bad scene format. ANIM expected.");
}
if (scene.trackCount != 0)
{
scene.CreateAnimation(scene.FirstFrame, scene.LastFrame, scene.trackCount);
}
for (int fi = scene.firstFrame; fi <= scene.lastFrame; fi++)
{
for (int ni = 0; ni < scene.trackCount; ni++)
{
scene.animData[fi - scene.firstFrame, ni] = reader.Read <Matrix>();
}
}
//---------------------------------------------
if (!reader.CheckMagic("MTRL"))
{
throw new Exception("Bad scene format. MTRL expected.");
}
var mtrlCount = reader.ReadInt32();
scene.materials.Clear();
for (int i = 0; i < mtrlCount; i++)
{
var mtrl = new MeshMaterial();
mtrl.Name = reader.ReadString();
if (reader.ReadBoolean() == true)
{
mtrl.TexturePath = reader.ReadString();
}
else
{
mtrl.TexturePath = null;
}
scene.Materials.Add(mtrl);
}
//---------------------------------------------
if (!reader.CheckMagic("NODE"))
{
throw new Exception("Bad scene format. NODE expected.");
}
var nodeCount = reader.ReadInt32();
for (int i = 0; i < nodeCount; ++i)
{
var node = new Node();
node.Name = reader.ReadString();
node.ParentIndex = reader.ReadInt32();
node.MeshIndex = reader.ReadInt32();
node.TrackIndex = reader.ReadInt32();
node.Transform = reader.Read <Matrix>();
node.BindPose = reader.Read <Matrix>();
scene.nodes.Add(node);
}
//---------------------------------------------
if (!reader.CheckMagic("MESH"))
{
throw new Exception("Bad scene format. MESH expected.");
}
var meshCount = reader.ReadInt32();
for (int i = 0; i < meshCount; i++)
{
var mesh = new Mesh();
mesh.Deserialize(reader);
scene.Meshes.Add(mesh);
}
}
return(scene);
}
/// <summary> /// /// </summary> /// <param name="material"></param> /// <returns></returns> public abstract TMaterial Convert(MeshMaterial material);