/// <summary>
/// Helper method to read a single vertex
/// </summary>
/// <param name="sectionReader">BinaryReader instance</param>
/// <returns>An instance of <see cref="PangLib.PET.Models.Vertex"/></returns>
public static Vertex ReadVertex(BinaryReader sectionReader)
{
Vertex vertex = new Vertex();
vertex.X = sectionReader.ReadSingle();
vertex.Y = sectionReader.ReadSingle();
vertex.Z = sectionReader.ReadSingle();
byte fullWeight = 0;
int readCount = 0;
vertex.BoneInformation = new List <BoneInformation>();
while (fullWeight != 255 || readCount < 2)
{
BoneInformation boneInformation = new BoneInformation();
byte weight = sectionReader.ReadByte();
boneInformation.Weight = weight;
fullWeight += weight;
boneInformation.BoneID = sectionReader.ReadByte();
vertex.BoneInformation.Add(boneInformation);
readCount += 1;
}
return(vertex);
}
// array size is vertex count
private static BoneWeight[] CreateBoneWeights(PETFile pet)
{
int uniqueVertexCount = pet.Vertices.Count;
// create unique vertices with the index used in the polygons
BoneWeight[] uniqueBoneWeights = new BoneWeight[uniqueVertexCount];
for (int i = 0; i < uniqueVertexCount; i++)
{
List <BoneInformation> boneInformationList = pet.Vertices[i].BoneInformation;
// TODO meh
for (int index = 0; index < boneInformationList.Count; index++)
{
BoneInformation boneInformation = boneInformationList[index];
switch (index)
{
case 0:
uniqueBoneWeights[i].boneIndex0 = boneInformation.BoneID;
uniqueBoneWeights[i].weight0 = boneInformation.Weight;
break;
case 1:
uniqueBoneWeights[i].boneIndex1 = boneInformation.BoneID;
uniqueBoneWeights[i].weight1 = boneInformation.Weight;
break;
case 2:
uniqueBoneWeights[i].boneIndex2 = boneInformation.BoneID;
uniqueBoneWeights[i].weight2 = boneInformation.Weight;
break;
case 3:
uniqueBoneWeights[i].boneIndex3 = boneInformation.BoneID;
uniqueBoneWeights[i].weight3 = boneInformation.Weight;
break;
default:
throw new NotSupportedException(
"Unity only supports 4 different weights for a single bone");
}
}
}
BoneWeight[] boneWeights = pet.Polygons
.SelectMany(polygon => polygon.PolygonIndices)
.Select(polygonIndex => uniqueBoneWeights[polygonIndex.Index])
.ToArray();
return(boneWeights);
}
public static List <Vertex> ReadAllVertices(BinaryReader sectionReader)
{
List <Vertex> Vertices = new List <Vertex>();
uint vertexCount = sectionReader.ReadUInt32();
for (int i = 0; i < vertexCount; i++)
{
Vertex vertex = new Vertex();
vertex.X = sectionReader.ReadSingle();
vertex.Y = sectionReader.ReadSingle();
vertex.Z = sectionReader.ReadSingle();
sbyte fullWeight = 0;
int readCount = 0;
while (fullWeight != 255 && readCount < 2)
{
BoneInformation boneInformation = new BoneInformation();
sbyte weight = sectionReader.ReadSByte();
boneInformation.Weight = weight;
fullWeight += weight;
boneInformation.BoneID = sectionReader.ReadSByte();
vertex.BoneInformation.Add(boneInformation);
readCount += 1;
}
Vertices.Add(vertex);
}
return(Vertices);
}