public I3DSpline(BigEndianBinaryReader br)
{
try
{
Unknown1 = br.ReadUInt32();
Name = br.BaseStream.ReadNullTerminatedString();
br.BaseStream.Align(2); // Align the stream to short
do
{
ShapeId = br.ReadUInt16();
} while (ShapeId == 0);
Unknown2 = br.ReadUInt32();
VertexCount = br.ReadUInt32();
Vertices = new Vector3[VertexCount];
for (int i = 0; i < VertexCount; i++)
{
Vertices[i] = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
}
}
catch (Exception e)
{
if (string.IsNullOrEmpty(Name))
{
throw;
}
if (ShapeId > 0)
{
throw new Exception($"Failed to parse I3DSpline {Name}, ShapeID: {ShapeId}", e);
}
throw new Exception($"Failed to parse I3DSpline {Name}", e);
}
}
public static I3DShape[] LoadShapesFile(string path)
{
if (Cache.ContainsKey(path))
{
return(Cache[path]);
}
List <I3DShape> shapes;
using (FileStream fs = File.OpenRead(path))
{
string fileName = Path.GetFileName(fs.Name) ?? "N/A";
Debug.Log("Loading file: " + fileName);
Debug.Log("File Size: " + new FileInfo(fs.Name).Length + " bytes");
I3DShapesHeader header = ParseFileHeader(fs);
Debug.Log("File Seed: " + header.Seed);
Debug.Log("File Version: " + header.Version);
if (header.Version != 2 && header.Version != 3)
{
throw new NotSupportedException("Unsupported version");
}
Debug.Log("");
using (I3DDecryptorStream dfs = new I3DDecryptorStream(fs, header.Seed))
{
int itemCount = dfs.ReadInt32L();
shapes = new List <I3DShape>();
Debug.Log("Found " + itemCount + " shapes");
Debug.Log("");
for (int i = 0; i < itemCount; i++)
{
int type = dfs.ReadInt32L();
int size = dfs.ReadInt32L();
byte[] data = dfs.ReadBytes(size);
//Debug.Log($"{i+1}: (Type {type}) {size} bytes");
string binFileName = $"{i+1}-{type}.bin";
//File.WriteAllBytes(Path.Combine(@"F:\SteamLibrary\steamapps\common\Farming Simulator 15\data\maps\decompile", binFileName), data);
//File.WriteAllBytes(Path.Combine(@"D:\SteamLibrary\steamapps\common\Farming Simulator 2013\data\maps\decompile\chickenmesh", binFileName), data);
using (MemoryStream ms = new MemoryStream(data))
{
using (BigEndianBinaryReader br = new BigEndianBinaryReader(ms))
{
try
{
switch (type)
{
case 1:
shapes.Add(new I3DShape(br));
break;
case 2:
new I3DSpline(br);
break;
case 3:
new I3DNavMesh(br);
break;
}
}
catch (Exception e)
{
Debug.Log(e.Message);
}
}
}
}
Debug.Log($"Loaded {shapes.Count} shapes");
}
}
I3DShape[] shapesArr = shapes.ToArray();
Cache[path] = shapesArr;
return(shapesArr);
}
public I3DShape(BigEndianBinaryReader br)
{
try
{
Unknown1 = br.ReadUInt32();
Name = br.BaseStream.ReadNullTerminatedString();
br.BaseStream.Align(2); // Align the stream to short
//This is pretty ugly, but they pretty much zero-pad after the alignment
//So we read the padding until we found the shapeid
do
{
ShapeId = br.ReadUInt16();
} while (ShapeId == 0);
BVCenterX = br.ReadSingle();
BVCenterY = br.ReadSingle();
BVCenterZ = br.ReadSingle();
BVRadius = br.ReadSingle();
VertexCount = br.ReadUInt32();
Unknown6 = br.ReadUInt32();
Vertices = br.ReadUInt32();
Unknown7 = br.ReadUInt32();
Unknown8 = br.ReadUInt32();
UvCount = br.ReadUInt32();
Unknown9 = br.ReadUInt32();
VertexCount2 = br.ReadUInt32();
Mesh = new Mesh();
int[] tris = new int[VertexCount];
for (int i = 0; i < VertexCount; i++)
{
tris[i] = br.ReadUInt16();
}
br.BaseStream.Align(4);
Vector3[] vertices = new Vector3[Vertices];
for (int i = 0; i < Vertices; i++)
{
vertices[i] = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
}
Vector3[] normals = new Vector3[Vertices];
for (int i = 0; i < Vertices; i++)
{
normals[i] = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
}
Vector2[] uvs = new Vector2[UvCount];
for (int i = 0; i < UvCount; i++)
{
uvs[i] = new Vector2(br.ReadSingle(), br.ReadSingle());
}
Mesh.vertices = vertices;
Mesh.normals = normals;
Mesh.triangles = tris;
Mesh.uv = uvs;
}
catch (Exception e)
{
if (string.IsNullOrEmpty(Name))
{
throw;
}
if (ShapeId > 0)
{
throw new Exception($"Failed to parse I3DShape {Name}, ShapeID: {ShapeId}", e);
}
throw new Exception($"Failed to parse I3DShape {Name}", e);
}
}
