public BrgFile()
: base()
{
this.FileName = string.Empty;
this.Header = new BrgHeader();
this.AsetHeader = new BrgAsetHeader();
}
public BrgFile(System.IO.FileStream fileStream)
: base()
{
using (BrgBinaryReader reader = new BrgBinaryReader(new LittleEndianBitConverter(), fileStream))
{
this.FileName = fileStream.Name;
this.Header = new BrgHeader(reader);
if (this.Header.Magic != "BANG")
{
throw new Exception("This is not a BRG file!");
}
this.AsetHeader = new BrgAsetHeader();
int asetCount = 0;
this.Meshes = new List <BrgMesh>(this.Header.NumMeshes);
this.Materials = new List <BrgMaterial>();
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
string magic = reader.ReadString(4);
if (magic == "ASET")
{
this.AsetHeader = new BrgAsetHeader(reader);
++asetCount;
}
else if (magic == "MESI")
{
if (this.Meshes.Count > 0)
{
this.Meshes[0].MeshAnimations.Add(new BrgMesh(reader, this));
}
else
{
this.Meshes.Add(new BrgMesh(reader, this));
}
}
else if (magic == "MTRL")
{
BrgMaterial mat = new BrgMaterial(reader, this);
Materials.Add(mat);
if (!ContainsMaterialID(mat.Id))
{
//Materials.Add(mat);
}
else
{
//throw new Exception("Duplicate material ids!");
}
}
else
{
throw new Exception("The type tag " + /* magic +*/ " is not recognized!");
}
}
if (asetCount > 1)
{
//throw new Exception("Multiple ASETs!");
}
if (Header.NumMeshes < Meshes.Count)
{
throw new Exception("Inconsistent mesh count!");
}
if (Header.NumMaterials < Materials.Count)
{
throw new Exception("Inconsistent material count!");
}
if (reader.BaseStream.Position < reader.BaseStream.Length)
{
throw new Exception("The end of stream was not reached!");
}
this.Animation.Duration = this.Meshes[0].ExtendedHeader.AnimationLength;
this.Animation.TimeStep = this.Meshes[0].ExtendedHeader.AnimationLength / (float)(this.Meshes[0].MeshAnimations.Count + 1);
if (this.Meshes[0].Header.AnimationType.HasFlag(BrgMeshAnimType.NonUniform))
{
for (int i = 0; i <= this.Meshes[0].MeshAnimations.Count; ++i)
{
this.Animation.MeshKeys.Add(this.Meshes[0].NonUniformKeys[i] * this.Animation.Duration);
}
}
else if (this.Meshes[0].MeshAnimations.Count > 0)
{
for (int i = 0; i <= this.Meshes[0].MeshAnimations.Count; ++i)
{
this.Animation.MeshKeys.Add((float)i / ((float)this.Meshes[0].MeshAnimations.Count) * this.Animation.Duration);
}
}
else
{
this.Animation.MeshKeys.Add(0);
}
}
}