/// <summary>
/// Notify the world and any chunks that this voxel has changed
/// </summary>
public void NotifyVoxelChange(int x, int y, int z, ushort FromID, ushort ToID)
{
ChunkID chunkID;
if (!GetChunkCoords(x, y, z, out chunkID))
{
return; // Chunk doesn't even exist
}
// Broadcast notify to owning chunk and all chunks where x,y,z is adjacent to its bounds
int localX = x % VoxelChunk.ChunkWidth;
int localZ = z % VoxelChunk.ChunkWidth;
if (localX < 0)
{
localX += VoxelChunk.ChunkWidth;
}
if (localZ < 0)
{
localZ += VoxelChunk.ChunkWidth;
}
{
if (mActiveChunks.ContainsKey(chunkID))
{
mActiveChunks[chunkID].OnNotifyVoxelChange(localX, y, localZ, FromID, ToID);
}
}
if (localX == 0)
{
ChunkID check = new ChunkID(chunkID.X - 1, chunkID.Z);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyVoxelChange(localX, y, localZ, FromID, ToID);
}
}
if (localX == VoxelChunk.ChunkWidth - 1)
{
ChunkID check = new ChunkID(chunkID.X + 1, chunkID.Z);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyVoxelChange(localX, y, localZ, FromID, ToID);
}
}
if (localZ == 0)
{
ChunkID check = new ChunkID(chunkID.X, chunkID.Z - 1);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyVoxelChange(localX, y, localZ, FromID, ToID);
}
}
if (localZ == VoxelChunk.ChunkWidth - 1)
{
ChunkID check = new ChunkID(chunkID.X, chunkID.Z + 1);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyVoxelChange(localX, y, localZ, FromID, ToID);
}
}
}
private void ReadObject(int msize)
{
int total = 6;
string objectName = ReadString();
total += objectName.Length + 1;
while (total < msize)
{
ChunkID id = ReadChunkId();
int size = ReadChunkSize();
Debug.WriteLine(id);
total += size;
switch (id)
{
case ChunkID.OBJ_TRIMESH:
ReadTriangularMesh(size);
break;
// case ChunkID.OBJ_CAMERA:
default:
{
byte[] bytes = ReadData(size - 6);
break;
}
}
}
}
private Color ReadColor(int size)
{
// var bb = ReadData(reader, size - 6);
// return Colors.White;
ChunkID type = ReadChunkId();
int csize = ReadChunkSize();
size -= 6;
switch (type)
{
case ChunkID.COL_RGB:
{
// not checked...
Debug.Assert(false);
float r = reader.ReadSingle();
float g = reader.ReadSingle();
float b = reader.ReadSingle();
return(Color.FromScRgb(1, r, g, b));
}
case ChunkID.COL_TRU:
{
byte r = reader.ReadByte();
byte g = reader.ReadByte();
byte b = reader.ReadByte();
return(Color.FromArgb(0xFF, r, g, b));
}
default:
ReadData(csize);
break;
}
return(Colors.White);
}
public Model3DGroup Read(Stream s)
{
reader = new BinaryReader(s);
long length = reader.BaseStream.Length;
// http://gpwiki.org/index.php/Loading_3ds_files
// http://www.flipcode.com/archives/3DS_File_Loader.shtml
// http://sandy.googlecode.com/svn/trunk/sandy/as3/branches/3.0.2/src/sandy/parser/Parser3DS.as
ChunkID headerID = ReadChunkId();
if (headerID != ChunkID.MAIN3DS)
{
throw new FileFormatException("Unknown file");
}
int headerSize = ReadChunkSize();
if (headerSize != length)
{
throw new FileFormatException("Incomplete file (file length does not match header)");
}
Model = new Model3DGroup();
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
ChunkID id = ReadChunkId();
int size = ReadChunkSize();
Debug.WriteLine(id);
switch (id)
{
case ChunkID.EDIT_MATERIAL:
ReadMaterial(size);
break;
case ChunkID.EDIT_OBJECT:
ReadObject(size);
break;
case ChunkID.EDIT3DS:
case ChunkID.OBJ_CAMERA:
case ChunkID.OBJ_LIGHT:
case ChunkID.OBJ_TRIMESH:
// don't read the whole chunk, read the sub-defines...
break;
default:
// download the whole chunk
byte[] bytes = ReadData(size - 6);
break;
}
}
reader.Close();
return(Model);
}
// Terrain Mesh Parser //
private static void ParseADT_Main(string Path, string MapName, Vector2 coords) // MS version
{
StreamTools s = new StreamTools();
ADTRoot r = new ADTRoot();
ChunkID c = new ChunkID();
string ADTmainPath = Path + MapName + "_" + coords.x + "_" + coords.y + ".adt";
string path = Casc.GetFile(ADTmainPath);
byte[] ADTmainData = File.ReadAllBytes(path);
int MCNKchunkNumber = 0;
long streamPosition = 0;
using (MemoryStream ms = new MemoryStream(ADTmainData))
{
while (streamPosition < ms.Length)
{
ms.Position = streamPosition;
int chunkID = s.ReadLong(ms);
int chunkSize = s.ReadLong(ms);
streamPosition = ms.Position + chunkSize;
switch (chunkID)
{
case (int)ChunkID.ADT.MVER:
r.ReadMVER(ms); // ADT file version
break;
case (int)ChunkID.ADT.MHDR:
r.ReadMHDR(ms); // Offsets for specific chunks 0000 if chunks don't exist.
break;
case (int)ChunkID.ADT.MH2O:
r.ReadMH2O(ms, chunkSize); // Water Data
break;
case (int)ChunkID.ADT.MCNK:
{
r.ReadMCNK(ms, MCNKchunkNumber, chunkSize); // Terrain Data - 256chunks
MCNKchunkNumber++;
}
break;
case (int)ChunkID.ADT.MFBO:
r.ReadMFBO(ms); // FlightBounds plane & Death plane
break;
default:
r.SkipUnknownChunk(ms, chunkID, chunkSize);
break;
}
}
}
ADTmainData = null;
}
/// <summary>
/// Called when this chunk comes into usage
/// </summary>
/// <param name="X"></param>
/// <param name="Z"></param>
public void Construct(int X, int Z)
{
bInUse = true;
mChunkID = new ChunkID(X, Z);
gameObject.name = "Chunk (" + X + ", " + Z + ")";
gameObject.transform.position = new Vector3(X * ChunkWidth, 0, Z * ChunkWidth) * WorldManager.VoxelToUnitScale;
gameObject.SetActive(true);
Generate();
}
/// <summary>
/// Get the chunk coordinates from world coordinates
/// </summary>
/// <returns>True if the chunk exists</returns>
public bool GetChunkCoords(int x, int y, int z, out ChunkID ID)
{
// If y is out of bounds, instant failure
if (y < 0 || y >= VoxelChunk.ChunkHeight)
{
ID = new ChunkID(0, 0);
return(false);
}
ID = GetChunkIDFromCoords(x, y, z);
return(mActiveChunks.ContainsKey(ID));
}
/// <summary>
/// Remove a chunk at selected chunk coordinates (If it exists)
/// </summary>
private void RemoveChunk(int X, int Z)
{
ChunkID id = new ChunkID(X, Z);
VoxelChunk chunk = mActiveChunks[id];
if (chunk != null)
{
mActiveChunks.Remove(id);
chunk.Deconstruct();
mChunkPool.Enqueue(chunk);
}
}
/// <summary>
/// World update tick called from world update thread
/// </summary>
/// <param name="Tick">The current tick number for this update</param>
public void WorldUpdate(uint Tick)
{
// Attempt to load chunks around player
HashSet <ChunkID> loadArea = new HashSet <ChunkID>();
// Populate load are near player
Entity_Player player = Entity_Player.Main;
if (player == null)
{
return;
}
const int radius = 3;
ChunkID c = player.mChunkID;
for (int x = -radius; x <= radius; ++x)
{
for (int z = -radius; z <= radius; ++z)
{
loadArea.Add(new ChunkID(c.X + x, c.Z + z));
}
}
// Update or unload chunks near player
VoxelChunk[] activeChunks = mCurrentTerrain.GetActiveChunks();
foreach (VoxelChunk chunk in activeChunks)
{
// In view, so update and remove from load area check
if (loadArea.Contains(chunk.mChunkID))
{
chunk.UpdateChunk(Tick);
loadArea.Remove(chunk.mChunkID);
}
// Request that this chunk is unload
else
{
mCurrentTerrain.RequestChunkUnload(chunk.mChunkID.X, chunk.mChunkID.Z);
}
}
// Load all remaining areas in load area
foreach (ChunkID id in loadArea)
{
mCurrentTerrain.RequestChunkLoad(id.X, id.Z);
}
}
public DataChunk(BinaryReader reader)
: base(reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (ChunkID != chunkID)
{
throw new FormatException("Chunk is no datachunk: " + ChunkID.ToString("x") + " != \"0x61746164\"");
}
}
/// <summary>
/// Retreive a chunk for chunk coordinates
/// </summary>
public VoxelChunk GetChunk(int X, int Z)
{
ChunkID id = new ChunkID(X, Z);
if (mActiveChunks.ContainsKey(id))
{
return(mActiveChunks[id]);
}
else
{
return(null);
}
}
/// <summary>
/// On GUI
/// </summary>
private void OnGUI()
{
WorldManagerScript world_manager = WorldManagerScript.Instance;
if (world_manager)
{
chunkID = (ChunkID)(EditorGUILayout.Vector3IntField("Chunk ID", (Vector3Int)chunkID));
if (GUILayout.Button("Find discrepencies"))
{
fileBlocksTask = world_manager.IO.CreateReadChunkBlocksTask(chunkID);
generatedBlocksTask = world_manager.GetGeneratedBlocksTask(chunkID);
}
GUILayout.Label($"File blocks task status: { ((fileBlocksTask == null) ? "Not running" : fileBlocksTask.Status.ToString()) }");
GUILayout.Label($"Generated blocks task status: { ((generatedBlocksTask == null) ? "Not running" : generatedBlocksTask.Status.ToString()) }");
if ((fileBlocksTask != null) && (generatedBlocksTask != null))
{
if (fileBlocksTask.IsCompleted && generatedBlocksTask.IsCompleted)
{
StringBuilder output_string_builder = new StringBuilder();
BlockData[] file_blocks = fileBlocksTask.Result;
BlockData[] generated_blocks = generatedBlocksTask.Result;
fileBlocksTask = null;
generatedBlocksTask = null;
output_string_builder.AppendLine($"File block count: { file_blocks.Length }");
output_string_builder.AppendLine($"Generated block count: { generated_blocks.Length }");
if (file_blocks.Length == generated_blocks.Length)
{
for (int index = 0; index < file_blocks.Length; index++)
{
BlockData file_block = file_blocks[index];
BlockData generated_block = generated_blocks[index];
if (file_block != generated_block)
{
output_string_builder.AppendLine($"File block is { (file_block.IsABlock ? file_block.Block.Key : "nothing") } with { file_block.Health } health but generated block is { (generated_block.IsABlock ? generated_block.Block.Key : "nothing") } with { generated_block.Health } health.");
}
}
output_string_builder.Append("Finished comparing all blocks.");
}
else
{
output_string_builder.Append("File blocks count does not match generated block count.");
}
output = output_string_builder.ToString();
output_string_builder.Clear();
}
}
GUILayout.TextArea(output);
}
}
private string ReadMatMap(int size)
{
ChunkID id = ReadChunkId();
int siz = ReadChunkSize();
ushort f1 = reader.ReadUInt16();
ushort f2 = reader.ReadUInt16();
ushort f3 = reader.ReadUInt16();
ushort f4 = reader.ReadUInt16();
size -= 14;
string cname = ReadString();
size -= cname.Length + 1;
byte[] morebytes = ReadData(size);
return(cname);
}
private List <FaceMaterial> ReadFaceMaterials(int msize)
{
int total = 6;
var list = new List <FaceMaterial>();
while (total < msize)
{
ChunkID id = ReadChunkId();
int size = ReadChunkSize();
Debug.WriteLine(id);
total += size;
switch (id)
{
case ChunkID.TRI_FACEMAT:
{
string name = ReadString();
int n = reader.ReadUInt16();
var c = new Int32Collection();
for (int i = 0; i < n; i++)
{
c.Add(reader.ReadUInt16());
}
var fm = new FaceMaterial {
Name = name, Faces = c
};
list.Add(fm);
break;
}
case ChunkID.TRI_SMOOTH:
{
byte[] bytes = ReadData(size - 6);
break;
}
default:
{
byte[] bytes = ReadData(size - 6);
break;
}
}
}
return(list);
}
/// <summary>
/// Notify the world and any chunks that this chunk has changed
/// </summary>
public void NotifyChunkChange(int X, int Z)
{
// Broadcast notify to chunk and all adjacent
{
ChunkID check = new ChunkID(X, Z);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyChunkChange(X, Z);
}
}
{
ChunkID check = new ChunkID(X - 1, Z);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyChunkChange(X, Z);
}
}
{
ChunkID check = new ChunkID(X + 1, Z);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyChunkChange(X, Z);
}
}
{
ChunkID check = new ChunkID(X, Z - 1);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyChunkChange(X, Z);
}
}
{
ChunkID check = new ChunkID(X, Z + 1);
if (mActiveChunks.ContainsKey(check))
{
mActiveChunks[check].OnNotifyChunkChange(X, Z);
}
}
}
void Update()
{
// Update active chunks
lock (mActiveChunks)
{
while (mPendingUnloads.Count != 0)
{
ChunkID id = mPendingUnloads.Dequeue();
if (IsChunkLoaded(id.X, id.Z))
{
RemoveChunk(id.X, id.Z);
}
}
while (mPendingLoads.Count != 0)
{
ChunkID id = mPendingLoads.Dequeue();
if (!IsChunkLoaded(id.X, id.Z))
{
AddChunk(id.X, id.Z);
}
}
}
}
/// <summary>
/// reads the Material of a chunck
/// </summary>
/// <param name="reader"></param>
/// <param name="chunkSize"></param>
private void ReadMaterial(BinaryReader reader, int chunkSize)
{
int total = 6;
string name = null;
var luminance = Color.Transparent; //SharpDX.Color not System.Windows.Media.Color
var diffuse = Color.Transparent;
var specular = Color.Transparent;
var shininess = Color.Transparent;
double opacity = 0;
string texture = null;
float specularPower = 100;//check if we can find this somewhere instead of just setting it to 100
while (total < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
total += size;
switch (id)
{
case ChunkID.MAT_NAME01:
name = this.ReadString(reader);
break;
case ChunkID.MAT_TRANSPARENCY:
// skip the first 6 bytes
this.ReadData(reader, 6);
// read the percent value as 16Bit Uint
byte[] data = this.ReadData(reader, 2);
opacity = (100 - BitConverter.ToUInt16(data, 0)) / 100.0;
break;
case ChunkID.MAT_LUMINANCE:
luminance = this.ReadColor(reader);
break;
case ChunkID.MAT_DIFFUSE:
diffuse = this.ReadColor(reader);
break;
case ChunkID.MAT_SPECULAR:
specular = this.ReadColor(reader);
break;
case ChunkID.MAT_SHININESS:
//byte[] bytes = this.ReadData(reader, size - 6);
specularPower = this.ReadPercent(reader, size - 6);
break;
case ChunkID.MAT_MAP:
texture = this.ReadMatMap(reader, size - 6);
break;
case ChunkID.MAT_MAPFILE:
this.ReadData(reader, size - 6);
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
var image = ReadBitmapSoure(texture, diffuse);
if (Math.Abs(opacity) > 0.001)
{
diffuse.A = (byte)(opacity * 255);
luminance.A = (byte)(opacity * 255);
}
var material = new PhongMaterialCore()
{
DiffuseColor = diffuse,
AmbientColor = luminance, //not really sure about this, lib3ds uses 0xA010 as AmbientColor
SpecularColor = specular,
SpecularShininess = specularPower,
};
if (image != null)
{
material.NormalMap = image;
}
if (name != null)
{
materials[name] = material;
}
}
public TexturePack(ChunkID id, long size, long position) : base(id, size, position)
{
DebugUtil.EnsureCondition(
id == ChunkID.BCHUNK_SPEED_TEXTURE_PACK_LIST_CHUNKS,
() => $"Expected BCHUNK_SPEED_TEXTURE_PACK_LIST_CHUNKS, got {id.ToString()}");
}
/// <summary>
/// Reads a triangular mesh.
/// </summary>
/// <param name="reader">
/// The reader.
/// </param>
/// <param name="chunkSize">
/// The chunk size.
/// </param>
private void ReadTriangularMesh(BinaryReader reader, int chunkSize)
{
int bytesRead = 6;
List <Point3D> positions = null;
List <int> faces = null;
List <Point> textureCoordinates = null;
List <FaceSet> faceSets = null;
while (bytesRead < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
bytesRead += size;
switch (id)
{
case ChunkID.TRI_VERTEXL:
positions = this.ReadVertexList(reader);
break;
case ChunkID.TRI_FACEL1:
faces = this.ReadFaceList(reader);
size -= (faces.Count / 3 * 8) + 2;
faceSets = this.ReadFaceSets(reader, size - 6);
break;
case ChunkID.TRI_TEXCOORD:
textureCoordinates = this.ReadTexCoords(reader);
break;
case ChunkID.TRI_LOCAL:
this.ReadTransformation(reader);
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
// TODO: apply transforms
// if (!matrix.IsIdentity)
/* for (int i = 0; i < vertices.Count; i++)
* {
* positions[i] = Transform(matrix, positions[i]);
* }*/
if (faces == null)
{
// face list not specified?
return;
}
if (faceSets == null || faceSets.Count == 0)
{
// add mesh without material defined (e.g. the example Suzanne 3ds model)
this.meshes.Add(new Mesh
{
Positions = positions,
TriangleIndices = faces,
TextureCoordinates = textureCoordinates,
Material = this.DefaultMaterial,
BackMaterial = this.DefaultMaterial
});
return;
}
foreach (var fm in faceSets)
{
var triangleIndices = ConvertFaceIndices(fm.Faces, faces);
Material mat = null;
if (this.materials.ContainsKey(fm.Name))
{
mat = this.materials[fm.Name];
}
this.meshes.Add(new Mesh {
Positions = positions, TriangleIndices = triangleIndices, TextureCoordinates = textureCoordinates, Material = mat, BackMaterial = mat
});
}
}
/// <summary>
/// Read a material.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="chunkSize">The chunk size.</param>
private void ReadMaterial(BinaryReader reader, int chunkSize)
{
int total = 6;
string name = null;
var luminance = Colors.Transparent;
var diffuse = Colors.Transparent;
var specular = Colors.Transparent;
var shininess = Colors.Transparent;
string texture = null;
while (total < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
// Debug.WriteLine(id);
total += size;
switch (id)
{
case ChunkID.MAT_NAME01:
name = this.ReadString(reader);
// name = ReadString(size - 6);
break;
case ChunkID.MAT_LUMINANCE:
luminance = this.ReadColor(reader);
break;
case ChunkID.MAT_DIFFUSE:
diffuse = this.ReadColor(reader);
break;
case ChunkID.MAT_SPECULAR:
specular = this.ReadColor(reader);
break;
case ChunkID.MAT_SHININESS:
byte[] bytes = this.ReadData(reader, size - 6);
// shininess = ReadColor(r, size);
break;
case ChunkID.MAT_MAP:
texture = this.ReadMatMap(reader, size - 6);
break;
case ChunkID.MAT_MAPFILE:
this.ReadData(reader, size - 6);
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
int specularPower = 100;
this.Dispatch(() =>
{
var mg = new MaterialGroup();
// mg.Children.Add(new DiffuseMaterial(new SolidColorBrush(luminance)));
if (texture != null)
{
string ext = Path.GetExtension(texture);
if (ext != null)
{
ext = ext.ToLower();
}
// TGA not supported - convert textures to .png!
if (ext == ".tga")
{
texture = Path.ChangeExtension(texture, ".png");
}
var actualTexturePath = this.TexturePath ?? string.Empty;
string path = Path.Combine(actualTexturePath, texture);
if (File.Exists(path))
{
var img = new BitmapImage(new Uri(path, UriKind.Relative));
var textureBrush = new ImageBrush(img)
{
ViewportUnits = BrushMappingMode.Absolute,
TileMode = TileMode.Tile
};
mg.Children.Add(new DiffuseMaterial(textureBrush));
}
else
{
// Debug.WriteLine(string.Format("Texture not found: {0}", Path.GetFullPath(path)));
mg.Children.Add(new DiffuseMaterial(new SolidColorBrush(diffuse)));
}
}
else
{
mg.Children.Add(new DiffuseMaterial(new SolidColorBrush(diffuse)));
}
mg.Children.Add(new SpecularMaterial(new SolidColorBrush(specular), specularPower));
if (name != null)
{
this.materials[name] = mg;
}
});
}
protected virtual void Update()
{
mWorldLocation = GenerateWorldLocation();
mChunkID = mTerrain.GetChunkIDFromCoords(mWorldLocation.x, mWorldLocation.y, mWorldLocation.z);
}
public FNGFile(ChunkID id, long size, long position) : base(id, size, position)
{
DebugUtil.EnsureCondition(
id == ChunkID.BCHUNK_FENG_PACKAGE,
() => $"Expected BCHUNK_FENG_PACKAGE, got {id.ToString()}");
}
public NullModel(ChunkID id, long size, long position) : base(id, size, position)
{
}
public Language(ChunkID id, long size, long position) : base(id, size, position)
{
DebugUtil.EnsureCondition(
id == ChunkID.BCHUNK_LANGUAGE,
() => $"Expected BCHUNK_LANGUAGE, got {id.ToString()}");
}
public SolidList(ChunkID id, long size, long position) : base(id, size, position)
{
DebugUtil.EnsureCondition(
id == ChunkID.BCHUNK_SPEED_ESOLID_LIST_CHUNKS,
() => $"Expected BCHUNK_SPEED_ESOLID_LIST_CHUNKS, got {id.ToString()}");
}
public CarList(ChunkID id, long size, long position) : base(id, size, position)
{
DebugUtil.EnsureCondition(
id == ChunkID.BCHUNK_CARINFO_ARRAY,
() => $"Expected BCHUNK_CARINFO_ARRAY, got {id.ToString()}");
}
/// <summary>
/// Reads a triangular mesh.
/// </summary>
/// <param name="reader">
/// The reader.
/// </param>
/// <param name="chunkSize">
/// The chunk size.
/// </param>
private void ReadTriangularMesh(BinaryReader reader, int chunkSize)
{
MeshBuilder builder = new MeshBuilder();
int bytesRead = 6;
Vector3Collection positions = null;
IntCollection faces = null;
Vector2Collection textureCoordinates = null;
List <FaceSet> facesets = null;
IntCollection triangleIndices = null;
Vector3Collection normals = null;
MediaMatrix3D matrix = MediaMatrix3D.Identity;
Vector3Collection tangents = null;
Vector3Collection bitangents = null;
while (bytesRead < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
bytesRead += size;
switch (id)
{
case ChunkID.TRI_VERTEXL:
positions = this.ReadVertexList(reader);
break;
case ChunkID.TRI_FACEL1:
faces = ReadFaceList(reader);
size -= (faces.Count / 3 * 8) + 2;
facesets = this.ReadFaceSets(reader, size - 6);
break;
case ChunkID.TRI_TEXCOORD:
textureCoordinates = ReadTexCoords(reader);
break;
case ChunkID.TRI_LOCAL:
matrix = this.ReadTransformation(reader);
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
if (!matrix.IsIdentity)
{
for (int i = 0; i < positions.Count; i++)
{
positions[i] = Transform(matrix, positions[i]);
}
}
if (faces == null)
{
//no faces defined?? return...
return;
}
if (facesets == null || facesets.Count == 0)
{
triangleIndices = ConvertFaceIndices(faces, faces);
CreateMesh(positions, textureCoordinates, triangleIndices, out normals, out tangents, out bitangents, PhongMaterials.Gray);
//Add default get and setter
}
else
{
foreach (var fm in facesets)
{
triangleIndices = ConvertFaceIndices(fm.Faces, faces);
Material mat = null;
if (this.materials.ContainsKey(fm.Name))
{
mat = this.materials[fm.Name];
}
CreateMesh(positions, textureCoordinates, triangleIndices, out normals, out tangents, out bitangents, mat);
}
}
}
/// <summary>
/// Reads a triangular mesh.
/// </summary>
/// <param name="reader">
/// The reader.
/// </param>
/// <param name="chunkSize">
/// The chunk size.
/// </param>
private void ReadTriangularMesh(BinaryReader reader, int chunkSize)
{
MeshBuilder builder = new MeshBuilder();
int bytesRead = 6;
Vector3Collection positions = null;
IntCollection faces = null;
Vector2Collection textureCoordinates = null;
List <FaceSet> facesets = null;
IntCollection triangleIndices = null;
Vector3Collection normals = null;
//Matrix matrix = Matrix.Identity;
Vector3Collection tangents = null;
Vector3Collection bitangents = null;
List <Matrix> transforms = new List <Matrix>();
while (bytesRead < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
bytesRead += size;
switch (id)
{
case ChunkID.TRI_VERTEXL:
positions = this.ReadVertexList(reader);
break;
case ChunkID.TRI_FACEL1:
faces = ReadFaceList(reader);
size -= (faces.Count / 3 * 8) + 2;
facesets = this.ReadFaceSets(reader, size - 6);
break;
case ChunkID.TRI_TEXCOORD:
textureCoordinates = ReadTexCoords(reader);
break;
case ChunkID.TRI_LOCAL:
transforms.Add(this.ReadTransformation(reader));
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
if (faces == null)
{
//no faces defined?? return...
return;
}
if (facesets == null || facesets.Count == 0)
{
triangleIndices = faces;
CreateMesh(positions, textureCoordinates, triangleIndices, transforms, out normals, out tangents, out bitangents, new PhongMaterial()
{
Name = "Gray",
AmbientColor = new Color4(0.1f, 0.1f, 0.1f, 1.0f),
DiffuseColor = new Color4(0.254902f, 0.254902f, 0.254902f, 1.0f),
SpecularColor = new Color4(0.0225f, 0.0225f, 0.0225f, 1.0f),
EmissiveColor = new Color4(0.0f, 0.0f, 0.0f, 1.0f),
SpecularShininess = 12.8f,
});
//Add default get and setter
}
else
{
foreach (var fm in facesets)
{
triangleIndices = ConvertFaceIndices(fm.Faces, faces);
MaterialCore mat = null;
if (this.materials.ContainsKey(fm.Name))
{
mat = this.materials[fm.Name];
}
CreateMesh(positions, textureCoordinates, triangleIndices, transforms, out normals, out tangents, out bitangents, mat);
}
}
}
/// <summary>
/// reads the Material of a chunck
/// </summary>
/// <param name="reader"></param>
/// <param name="chunkSize"></param>
private void ReadMaterial(BinaryReader reader, int chunkSize)
{
int total = 6;
string name = null;
var luminance = Color.Transparent; //SharpDX.Color not System.Windows.Media.Color
var diffuse = Color.Transparent;
var specular = Color.Transparent;
var shininess = Color.Transparent;
string texture = null;
while (total < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
total += size;
switch (id)
{
case ChunkID.MAT_NAME01:
name = this.ReadString(reader);
break;
case ChunkID.MAT_LUMINANCE:
luminance = this.ReadColor(reader);
break;
case ChunkID.MAT_DIFFUSE:
diffuse = this.ReadColor(reader);
break;
case ChunkID.MAT_SPECULAR:
specular = this.ReadColor(reader);
break;
case ChunkID.MAT_SHININESS:
byte[] bytes = this.ReadData(reader, size - 6);
break;
case ChunkID.MAT_MAP:
texture = this.ReadMatMap(reader, size - 6);
break;
case ChunkID.MAT_MAPFILE:
this.ReadData(reader, size - 6);
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
int specularPower = 100;//check if we can find this somewhere instead of just setting it to 100
BitmapSource image = ReadBitmapSoure(texture, diffuse);
var material = new PhongMaterial()
{
DiffuseColor = diffuse,
AmbientColor = luminance, //not really sure about this, lib3ds uses 0xA010 as AmbientColor
SpecularColor = specular,
SpecularShininess = specularPower,
};
if (image != null)
{
material.NormalMap = image;
}
if (name != null)
{
materials[name] = material;
}
}
protected Model(ChunkID id, long size, long position)
{
ID = id;
Size = size;
Position = position;
}
