private void ReadDoodadInstances()
{
var chunk = Data.GetChunkByName("MODD");
var nameChunk = Data.GetChunkByName("MODN");
if (chunk == null || nameChunk == null)
{
return;
}
const int instanceSize = 40;
var countInstances = (int)(chunk.Length / instanceSize);
DoodadInstances = new List <DoodadInstance>(countInstances);
for (int i = 0; i < countInstances; i++)
{
var stream = chunk.GetStream();
stream.Seek(instanceSize * i, SeekOrigin.Current);
var instance = DoodadInstance.Read(stream);
var nameStream = nameChunk.GetStream();
if (instance.FileOffset >= nameChunk.Length)
{
continue;
}
nameStream.Seek(instance.FileOffset, SeekOrigin.Current);
instance.File = nameStream.ReadCString();
DoodadInstances.Add(instance);
}
}
public static Matrix GetWmoDoodadTransformation(DoodadInstance inst, WorldModelHandler.WorldModelDefinition root)
{
var rootTransformation = GetTransformation(root);
var translation = Matrix.Translation(inst.Position);
var scale = Matrix.Scaling(new Vector3(inst.Scale));
var rotation = Matrix.RotationY(MathHelper.Pi);
var quatRotation = Matrix.RotationQuaternion(new Quaternion(-inst.QuatY, inst.QuatZ, -inst.QuatX, inst.QuatW));
return scale*rotation*quatRotation*translation*rootTransformation;
}
public static DoodadInstance Read(Stream s)
{
var r = new BinaryReader(s);
var ret = new DoodadInstance();
ret.FileOffset = r.ReadUInt32();
ret.Position = Vector3Helper.Read(s);
ret.QuatW = r.ReadSingle();
ret.QuatX = r.ReadSingle();
ret.QuatY = r.ReadSingle();
ret.QuatZ = r.ReadSingle();
ret.Scale = r.ReadSingle();
ret.LightColor = r.ReadUInt32();
return ret;
}
public static DoodadInstance Read(Stream s)
{
var r = new BinaryReader(s);
var ret = new DoodadInstance();
ret.FileOffset = r.ReadUInt32();
ret.Position = Vector3Helper.Read(s);
ret.QuatW = r.ReadSingle();
ret.QuatX = r.ReadSingle();
ret.QuatY = r.ReadSingle();
ret.QuatZ = r.ReadSingle();
ret.Scale = r.ReadSingle();
ret.LightColor = r.ReadUInt32();
return(ret);
}
public static DoodadInstance Read(Stream s)
{
var r = new BinaryReader(s);
var ret = new DoodadInstance();
uint OffsetAndFlag = r.ReadUInt32();
ret.FileOffset = OffsetAndFlag & 0x00FFFFFF;
ret.Flags = (ushort)(OffsetAndFlag >> 24);
ret.Position = Vector3Helper.Read(s);
ret.QuatX = r.ReadSingle();
ret.QuatY = r.ReadSingle();
ret.QuatZ = r.ReadSingle();
ret.QuatW = r.ReadSingle();
ret.Scale = r.ReadSingle();
ret.LightColor = r.ReadUInt32();
return(ret);
}