// Pobiera nagłówkek pliku [ 32 bajty ]
public static VChunkHeader GetChunk(FileStream file)
{
byte[] ChunkBuffer = new byte[32];
file.Read(ChunkBuffer, 0, 32);
VChunkHeader chunk = (VChunkHeader)GetStructure(ChunkBuffer, typeof(VChunkHeader));
return(chunk);
}
// Pobiera z pliku dane typu T i tworzy z nich tablice typu T
public static T[] GetData <T>(FileStream file)
{
VChunkHeader Chunk = GetChunk(file);
T[] data = new T[Chunk.DataCount];
byte[] buffer = new byte[Chunk.DataSize];
for (int i = 0; i < Chunk.DataCount; i++)
{
file.Read(buffer, 0, Chunk.DataSize);
data[i] = (T)GetStructure(buffer, typeof(T));
}
return(data);
}
public static KAnimInfo LoadPSA(string filename)
{
KAnimInfo Info = new KAnimInfo();
if (File.Exists(filename))
{
FileStream file = File.Open(filename, FileMode.Open);
VChunkHeader main = KFileHelper.GetChunk(file);
VBone[] Bones = KFileHelper.GetData <VBone>(file);
AnimInfoBinary[] Animinfo = KFileHelper.GetData <AnimInfoBinary>(file);
VQuatAnimKey[] AnimKeys = KFileHelper.GetData <VQuatAnimKey>(file);
for (int i = 0; i < Bones.Length; i++)
{
if (i == Bones[i].ParentIndex)
{
Bones[i].ParentIndex = -1;
}
}
if (Animinfo.Length > 0)
{
Info.AnimRate = Animinfo[0].AnimRate;
Info.BoneCount = Bones.Length;
Info.Name = Animinfo[0].Name;
Info.Frames = new List <KeyFrame>();
float StepTime = 1.0f / Animinfo[0].AnimRate;
for (int i = 0; i < Animinfo[0].NumRawFrames; i++)
{
KeyFrame frame = new KeyFrame();
frame.Bones = new VBone[Animinfo[0].TotalBones];
int x = 0;
for (int j = (i * Animinfo[0].TotalBones); j < (i * Animinfo[0].TotalBones) + Animinfo[0].TotalBones; j++)
{
frame.Bones[x].BonePos.Position = AnimKeys[j].Position;
frame.Bones[x].BonePos.Orientation = AnimKeys[j].Orientation;
frame.Bones[x].ParentIndex = Bones[x].ParentIndex;
frame.Bones[x].Name = Bones[x].Name;
frame.Time = StepTime * i;
x++;
}
Info.Frames.Add(frame);
}
}
file.Close();
}
return(Info);
}
public static void SavePSA(string filename, string animName, VBone[] bones, KeyFrame[] frames)
{
// Naglowek - Glowny
VChunkHeader MainChunk = new VChunkHeader();
MainChunk.ChunkID = "ANIMHEAD";
MainChunk.TypeFlag = 2003321;
// Naglowek - Kosci
VChunkHeader BoneChunk = new VChunkHeader();
BoneChunk.ChunkID = "BONENAMES";
BoneChunk.DataCount = bones.Length;
BoneChunk.DataSize = 120;
// Naglowek - Informacje o animacji
VChunkHeader AnimInfoChunk = new VChunkHeader();
AnimInfoChunk.ChunkID = "ANIMINFO";
AnimInfoChunk.DataCount = 1;
AnimInfoChunk.DataSize = 168;
// Naglowek - Skalowanie
VChunkHeader ScaleChunk = new VChunkHeader();
ScaleChunk.ChunkID = "SCALEKEYS";
ScaleChunk.DataCount = 0;
ScaleChunk.DataSize = 16;
// Naglowek - informacje o ilosci klatek
VChunkHeader AnimKeyChunk = new VChunkHeader();
AnimKeyChunk.ChunkID = "ANIMKEYS";
AnimKeyChunk.DataCount = bones.Length * frames.Length;
AnimKeyChunk.DataSize = 32;
// Informacje o animacji
AnimInfoBinary AnimInfo = new AnimInfoBinary();
AnimInfo.AnimRate = 30.0f;
AnimInfo.FirstRawFrame = 0;
AnimInfo.Group = "None";
AnimInfo.KeyCompressionStyle = 0;
AnimInfo.KeyQuotum = frames.Length * bones.Length; //Ilosc wszystkich klatek * kosci
AnimInfo.KeyReduction = 1.0f;
AnimInfo.Name = animName;
AnimInfo.NumRawFrames = frames.Length;
AnimInfo.RootInclude = 0;
AnimInfo.StartBone = 0;
AnimInfo.TotalBones = bones.Length;
AnimInfo.TrackTime = frames.Length;
FileStream file = File.Create(filename);
file.Write(KFileHelper.StructToByte(MainChunk), 0, 32);
file.Write(KFileHelper.StructToByte(BoneChunk), 0, 32);
// Przerobić kości na poprawne i zapisac do pliku
VQuatAnimKey[] keys = new VQuatAnimKey[bones.Length * frames.Length];
// Bones
for (int i = 0; i < bones.Length; i++)
{
if (bones[i].ParentIndex == -1)
{
bones[i].ParentIndex = i;
}
file.Write(KFileHelper.StructToByte(bones[i]), 0, 120);
}
// AnimInfo
file.Write(KFileHelper.StructToByte(AnimInfoChunk), 0, 32);
file.Write(KFileHelper.StructToByte(AnimInfo), 0, 168);
// AnimKeys
file.Write(KFileHelper.StructToByte(AnimKeyChunk), 0, 32);
for (int i = 0; i < frames.Length; i++)
{
for (int j = 0; j < bones.Length; j++)
{
int pos = i * bones.Length;
keys[pos].Orientation = frames[i].Bones[j].BonePos.Orientation;
keys[pos].Position = frames[i].Bones[j].BonePos.Position;
keys[pos].Time = 1.0f;
file.Write(KFileHelper.StructToByte(keys[pos]), 0, 32);
}
}
// Scale
file.Write(KFileHelper.StructToByte(ScaleChunk), 0, 32);
file.Close();
}
public static KModel LoadPSK(GraphicsDevice device, string filename)
{
if (device == null)
{
return(null);
}
if (File.Exists(filename))
{
KVertexDeclaration[] vt, v;
// ============================== FILE ============================== \\
FileStream file = File.Open(filename, FileMode.Open);
VChunkHeader Chunk = KFileHelper.GetChunk(file);
Vector3[] points = KFileHelper.GetData <Vector3>(file);
VVertex[] vertex = KFileHelper.GetData <VVertex>(file);
VTriangle[] faces = KFileHelper.GetData <VTriangle>(file);
VMaterial[] mats = KFileHelper.GetData <VMaterial>(file);
VBone[] bones = KFileHelper.GetData <VBone>(file);
VRawBoneInfluence[] influence = KFileHelper.GetData <VRawBoneInfluence>(file);
file.Close();
// ============================== MESH ============================== \\
vt = new KVertexDeclaration[points.Length];
// Position
for (int i = 0; i < points.Length; i++)
{
vt[i].Position = points[i];
vt[i].BoneIndices = new int[4];
vt[i].BoneWeight = new float[4];
}
// Normals
int i0, i1, i2;
Vector3 vNormal;
for (int i = 0; i < faces.Length; i++)
{
i0 = vertex[faces[i].WedgeIndex[0]].PointIndex;
i1 = vertex[faces[i].WedgeIndex[1]].PointIndex;
i2 = vertex[faces[i].WedgeIndex[2]].PointIndex;
vNormal = Vector3.Cross((points[i1] - points[i0]), (points[i0] - points[i2]));
vNormal.Normalize();
vt[i0].Normals += vNormal;
vt[i1].Normals += vNormal;
vt[i2].Normals += vNormal;
}
// Normalizacja
for (int i = 0; i < points.Length; i++)
{
vt[i].Normals.Normalize();
}
// BoneIndices | BoneWeight
for (int i = 0; i < influence.Length; i++)
{
for (int j = 0; j < 4; j++)
{
if (vt[influence[i].PointIndex].BoneWeight[j] == 0)
{
vt[influence[i].PointIndex].BoneWeight[j] = influence[i].Weight;
vt[influence[i].PointIndex].BoneIndices[j] = influence[i].BoneIndex;
break;
}
}
}
v = new KVertexDeclaration[vertex.Length];
for (int i = 0; i < v.Length; i++)
{
v[i].Position = vt[vertex[i].PointIndex].Position;
v[i].Normals = vt[vertex[i].PointIndex].Normals;
v[i].TextCord = vertex[i].TextCord;
v[i].BoneIndices = vt[vertex[i].PointIndex].BoneIndices;
v[i].BoneWeight = vt[vertex[i].PointIndex].BoneWeight;
}
short[] ind = new short[faces.Length * 3];
for (int i = 0; i < faces.Length; i++)
{
int pos = i * 3;
ind[pos + 0] = faces[i].WedgeIndex[0];
ind[pos + 1] = faces[i].WedgeIndex[1];
ind[pos + 2] = faces[i].WedgeIndex[2];
}
for (int i = 0; i < bones.Length; i++)
{
if (bones[i].ParentIndex == i)
{
bones[i].ParentIndex = -1;
}
}
return(new KModel(device, v, ind, bones));
}
else
{
return(null);
}
}
