public static string TriangleIndexesAsString(this DynamicMeshFile.DynamicMeshBlend dynamicMeshBlend, bool reverse = false)
{
var result = new List <int>();
foreach (var triangle in dynamicMeshBlend.Triangles)
{
if (reverse)
{
result.AddRange(new[]
{
triangle.Index2,
triangle.Index1,
triangle.Index0
});
}
else
{
result.AddRange(new[]
{
triangle.Index0,
triangle.Index1,
triangle.Index2
});
}
}
return(string.Join(" ", result.Select(i => string.Format("{0}", i))));
}
public static string TexCoordsAsString(this DynamicMeshFile.DynamicMeshBlend dynamicMeshBlend, int index = 0, bool flipV = false)
{
return(string.Join(" ", dynamicMeshBlend.TexCoords.Select(tc =>
string.Format("{0:0.######} {1:0.######}",
tc.X,
flipV ? (1.0 - tc.Y) : tc.Y))));
}
public static void ToString(this DynamicMeshFile.DynamicMeshBlend dynamicMeshBlend, TextWriter writer)
{
writer.WriteLine(" ShaderFileName: {0}", dynamicMeshBlend.ShaderFileName);
writer.WriteLine(" PositionIndexes.Count(): {0}", dynamicMeshBlend.PositionIndexes.Count());
writer.WriteLine(" NormalIndexes.Count(): {0}", dynamicMeshBlend.NormalIndexes.Count());
writer.WriteLine(" TexCoords.Count(): {0}", dynamicMeshBlend.TexCoords.Count());
writer.WriteLine(" Triangles.Count(): {0}", dynamicMeshBlend.Triangles.Count());
}
public static string NormalsAsString(this DynamicMeshFile.DynamicMeshBlend dynamicMeshBlend, bool flipZ = false)
{
return(string.Join(" ", dynamicMeshBlend.NormalIndexes.Select(pi =>
{
var p = dynamicMeshBlend.Parent.Normals.ElementAt(pi);
if (flipZ)
{
p.Z = -p.Z;
}
return p.ToFormatString();
})));
}
public static DynamicMeshFile Load(IFFFile iffFile)
{
if (iffFile == null)
{
throw new ArgumentNullException("iffFile");
}
if (!string.Equals(iffFile.Root.Type, "SKMG", StringComparison.InvariantCultureIgnoreCase))
{
throw new IOException();
}
int skeletonCount;
int bonesCount;
int pointsCount;
int twdtCount;
int normalsCount;
int psdtCount;
int blendsCount;
var infoNode = iffFile.Root.Children("0004").Children("INFO").First();
using (var stream = new MemoryStream(infoNode.Data))
{
stream.ReadInt32(); // u1?
stream.ReadInt32(); // u2?
skeletonCount = stream.ReadInt32();
bonesCount = stream.ReadInt32();
pointsCount = stream.ReadInt32();
twdtCount = stream.ReadInt32();
normalsCount = stream.ReadInt32();
psdtCount = stream.ReadInt32();
blendsCount = stream.ReadInt32();
stream.ReadInt16(); // u10?
stream.ReadInt16(); // u11?
stream.ReadInt16(); // u12? // Something to do with OITL
stream.ReadInt16(); // u13?
}
var skeletonFileNames = iffFile.Root.Children("0004").Children("SKTM").First().Data.ReadStringList();
var boneNames = iffFile.Root.Children("0004").Children("XFNM").First().Data.ReadStringList();
if (boneNames.Count() != bonesCount)
{
throw new IOException();
}
var vertexList = new List <DynamicMeshFile.DynamicMeshVertex>();
vertexList.AddRange(Enumerable.Range(0, pointsCount).Select(i => new DynamicMeshFile.DynamicMeshVertex()));
var positionNode = iffFile.Root.Children("0004").Children("POSN").First();
using (var stream = new MemoryStream(positionNode.Data))
{
for (int i = 0; i < pointsCount; i++)
{
vertexList[i].Position = stream.ReadVector3Single();
}
}
var numVertexWeightsNode = iffFile.Root.Children("0004").Children("TWHD").First();
using (var stream = new MemoryStream(numVertexWeightsNode.Data))
{
for (int i = 0; i < pointsCount; i++)
{
int weightsCount = stream.ReadInt32();
vertexList[i].BoneWeights = new DynamicMeshFile.DynamicMeshBoneWeight[weightsCount];
}
}
var vertexWeightsNode = iffFile.Root.Children("0004").Children("TWDT").First();
using (var stream = new MemoryStream(vertexWeightsNode.Data))
{
for (int i = 0; i < pointsCount; i++)
{
for (int j = 0; j < vertexList[i].BoneWeights.Count(); j++)
{
var boneWeight = new DynamicMeshFile.DynamicMeshBoneWeight
{
BoneIndex = stream.ReadInt32(),
Weight = stream.ReadSingle()
};
vertexList[i].BoneWeights[j] = boneWeight;
}
}
}
var normalsNode = iffFile.Root.Children("0004").Children("NORM").First();
var normalsList = new List <Vector3>();
using (var stream = new MemoryStream(normalsNode.Data))
{
for (int i = 0; i < normalsCount; i++)
{
var v = stream.ReadVector3Single();
normalsList.Add(v);
}
}
var psdtNodes = iffFile.Root.Children("0004").Children("PSDT").ToList();
if (psdtNodes.Count != psdtCount)
{
throw new IOException();
}
var meshBlends = new List <DynamicMeshFile.DynamicMeshBlend>();
foreach (var psdtNode in psdtNodes)
{
var shaderFileName = psdtNode.Children("NAME").First().Data.ReadString();
var positionIndexNode = psdtNode.Children("PIDX").First();
var positionIndexes = new List <int>();
int numIndexes;
using (var stream = new MemoryStream(positionIndexNode.Data))
{
numIndexes = stream.ReadInt32();
for (int i = 0; i < numIndexes; i++)
{
var pi = stream.ReadInt32();
positionIndexes.Add(pi);
}
}
var normalIndexNode = psdtNode.Children("NIDX").First();
var normalIndexes = new List <int>();
using (var stream = new MemoryStream(normalIndexNode.Data))
{
for (int i = 0; i < numIndexes; i++)
{
var ni = stream.ReadInt32();
normalIndexes.Add(ni);
}
}
var texureCoordsNode = psdtNode.Children("TCSF").Children("TCSD").First();
var textureCoords = new List <Vector2>();
using (var stream = new MemoryStream(texureCoordsNode.Data))
{
for (int i = 0; i < numIndexes; i++)
{
var tc = stream.ReadVector2Single();
textureCoords.Add(tc);
}
}
var triangles = new List <DynamicMeshFile.DynamicMeshTriangle>();
var triangleNode = psdtNode.Children("PRIM").Children("ITL").FirstOrDefault();
var triangleGroupNode = psdtNode.Children("PRIM").Children("OITL").FirstOrDefault();
if ((triangleNode == null) == (triangleGroupNode == null))
{
throw new IOException();
}
if (triangleNode != null)
{
using (var stream = new MemoryStream(triangleNode.Data))
{
int numTriangles = stream.ReadInt32();
for (int i = 0; i < numTriangles; i++)
{
var triangle = new DynamicMeshFile.DynamicMeshTriangle
{
Group = 0,
Index0 = stream.ReadInt32(),
Index1 = stream.ReadInt32(),
Index2 = stream.ReadInt32(),
};
triangles.Add(triangle);
}
}
}
if (triangleGroupNode != null)
{
using (var stream = new MemoryStream(triangleNode.Data))
{
int numTriangles = stream.ReadInt32();
for (int i = 0; i < numTriangles; i++)
{
var triangle = new DynamicMeshFile.DynamicMeshTriangle
{
Group = stream.ReadInt32(),
Index0 = stream.ReadInt32(),
Index1 = stream.ReadInt32(),
Index2 = stream.ReadInt32(),
};
triangles.Add(triangle);
}
}
}
var meshBlend = new DynamicMeshFile.DynamicMeshBlend
{
ShaderFileName = shaderFileName,
PositionIndexes = positionIndexes.ToArray(),
NormalIndexes = normalIndexes.ToArray(),
TexCoords = textureCoords.ToArray(),
Triangles = triangles.ToArray()
};
meshBlends.Add(meshBlend);
}
var result = new DynamicMeshFile
{
SkeletonFileNames = skeletonFileNames,
BoneNames = boneNames,
Vertexes = vertexList.ToArray(),
Normals = normalsList.ToArray(),
MeshBlends = meshBlends.ToArray()
};
foreach (var meshBlend in result.MeshBlends)
{
meshBlend.Parent = result;
}
return(result);
}
