public override IOModel ImportFromFile(string filename)
{
var model = new IOModel();
var materials = new List <string>();
var positions = new List <Vector3>();
var textures = new Dictionary <int, Texture>();
using (var reader = new StreamReader(File.OpenRead(filename)))
{
var line = reader.ReadLine();
if (line.Trim() != "Metasequoia Document")
{
logger.Error("Not a valid Metasequoia file");
return(null);
}
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
if (line == "" || line == "}")
{
continue;
}
// Parse chunks
var chunk = line.Split(' ')[0];
if (chunk == "Format")
{
}
else if (chunk == "Thumbnail")
{
IgnoreChunk(reader);
}
else if (chunk == "Scene")
{
IgnoreChunk(reader);
}
else if (chunk == "Material")
{
var numMaterials = int.Parse(line.Split(' ')[1]);
if (numMaterials == 0)
{
return(null);
}
for (var i = 0; i < numMaterials; i++)
{
var materialString = reader.ReadLine().Trim();
var tokensMaterial = materialString.Split(' ');
var material = new IOMaterial(tokensMaterial[0]);
for (var j = 0; j < tokensMaterial.Length; j++)
{
var texturePath = "";
if (tokensMaterial[j].StartsWith("tex"))
{
texturePath = tokensMaterial[j].Substring(5, tokensMaterial[j].Length - 7);
if (texturePath != "")
{
string basePath = Path.GetDirectoryName(filename);
if (!File.Exists(Path.Combine(basePath, texturePath)))
{
basePath = Path.Combine(Path.GetDirectoryName(filename), "Texture");
}
if (!File.Exists(Path.Combine(basePath, texturePath)))
{
throw new FileNotFoundException("Texture " + texturePath + " could not be found");
}
textures.Add(i, GetTexture(basePath, texturePath));
}
material.Texture = textures[i];
break;
}
}
model.Materials.Add(material);
}
}
else if (chunk == "Object")
{
var name = line.Split(' ')[1];
var mesh = new IOMesh(name.Replace("\"", ""));
var tokensName = mesh.Name.Split('_');
positions = new List <Vector3>();
if (name.Contains("TeRoom_"))
{
model.HasMultipleRooms = true;
}
var lastVertex = 0;
var translation = Vector3.Zero;
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
var tokens = line.Split(' ');
if (tokens[0] == "translation" && model.HasMultipleRooms)
{
translation = ApplyAxesTransforms(new Vector3(ParseFloatCultureInvariant(tokens[1]),
ParseFloatCultureInvariant(tokens[2]),
ParseFloatCultureInvariant(tokens[3])));
}
else if (tokens[0] == "vertex")
{
var numVertices = int.Parse(tokens[1]);
for (var i = 0; i < numVertices; i++)
{
var tokensPosition = reader.ReadLine().Trim().Split(' ');
var newPos = ApplyAxesTransforms(new Vector3(ParseFloatCultureInvariant(tokensPosition[0]),
ParseFloatCultureInvariant(tokensPosition[1]),
ParseFloatCultureInvariant(tokensPosition[2]))
);
positions.Add(newPos);
}
line = reader.ReadLine().Trim();
}
else if (tokens[0] == "face")
{
var numFaces = int.Parse(tokens[1]);
for (var i = 0; i < numFaces; i++)
{
line = reader.ReadLine().Trim();
var numVerticesInFace = int.Parse(line.Substring(0, line.IndexOf(' ')));
var poly = new IOPolygon(numVerticesInFace == 3 ? IOPolygonShape.Triangle : IOPolygonShape.Quad);
// We MUST have vertices
var stringVertices = GetSubBlock(line, "V");
if (stringVertices == "")
{
return(null);
}
var tokensVertices = stringVertices.Split(' ');
for (var k = 0; k < numVerticesInFace; k++)
{
var index = int.Parse(tokensVertices[k]);
mesh.Positions.Add(positions[index]);
poly.Indices.Add(lastVertex);
lastVertex++;
}
// Change vertex winding
if (_settings.InvertFaces)
{
poly.Indices.Reverse();
}
// UV
var stringUV = GetSubBlock(line, "UV");
if (stringUV != "")
{
var tokensUV = stringUV.Split(' ');
for (var k = 0; k < numVerticesInFace; k++)
{
var uv = ApplyUVTransform(new Vector2(ParseFloatCultureInvariant(tokensUV[2 * k]),
ParseFloatCultureInvariant(tokensUV[2 * k + 1])),
textures[0].Image.Width,
textures[0].Image.Height);
mesh.UV.Add(uv);
}
}
// Colors
var stringColor = GetSubBlock(line, "COL");
if (stringColor != "")
{
var tokensColor = stringColor.Split(' ');
for (var k = 0; k < numVerticesInFace; k++)
{
var color = ApplyColorTransform(GetColor(long.Parse(tokensColor[k])));
mesh.Colors.Add(color);
}
}
else
{
for (var k = 0; k < numVerticesInFace; k++)
{
var color = ApplyColorTransform(Vector4.One);
mesh.Colors.Add(color);
}
}
// Material index
var stringMaterialIndex = GetSubBlock(line, "M");
var materialIndex = 0;
if (stringMaterialIndex != "")
{
materialIndex = int.Parse(stringMaterialIndex);
}
// Add polygon to the submesh (and add submesh if not existing yet)
var material = model.Materials[materialIndex];
if (!mesh.Submeshes.ContainsKey(material))
{
mesh.Submeshes.Add(material, new IOSubmesh(material));
}
mesh.Submeshes[material].Polygons.Add(poly);
}
line = reader.ReadLine().Trim();
}
else if (tokens[0] == "vertexattr")
{
// section to ignore
IgnoreChunk(reader);
}
else if (tokens[0] == "}")
{
break;
}
}
model.Meshes.Add(mesh);
}
}
}
CalculateNormals(model);
return(model);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IOMaterial LoadMaterial(Material mat)
{
var effectURL = mat.Instance_Effect?.URL;
if (effectURL == null)
{
return(null);
}
var effect = _collada.Library_Effects.Effect.ToList().Find(e => e.ID == ColladaHelper.SanitizeID(effectURL));
IOMaterial material = new IOMaterial()
{
Name = mat.ID,
Label = mat.Name
};
if (effect != null && effect.Profile_COMMON != null && effect.Profile_COMMON.Length > 0)
{
var prof = effect.Profile_COMMON[0];
var phong = prof.Technique.Phong;
var blinn = prof.Technique.Blinn;
var lambert = prof.Technique.Lambert;
if (phong != null)
{
if (phong.Transparency != null)
{
material.Alpha = phong.Transparency.Float.Value;
}
if (phong.Shininess != null)
{
material.Shininess = phong.Shininess.Float.Value;
}
if (phong.Diffuse != null)
{
if (ReadEffectColorType(prof, phong.Diffuse, out Vector4 color, out IOTexture texture))
{
material.DiffuseColor = color;
}
if (texture != null)
{
material.DiffuseMap = texture;
}
}
if (phong.Ambient != null)
{
if (ReadEffectColorType(prof, phong.Ambient, out Vector4 color, out IOTexture texture))
{
material.AmbientColor = color;
}
if (texture != null)
{
material.AmbientMap = texture;
}
}
if (phong.Specular != null)
{
if (ReadEffectColorType(prof, phong.Specular, out Vector4 color, out IOTexture texture))
{
material.SpecularColor = color;
}
if (texture != null)
{
material.SpecularMap = texture;
}
}
if (phong.Reflective != null)
{
if (ReadEffectColorType(prof, phong.Reflective, out Vector4 color, out IOTexture texture))
{
material.ReflectiveColor = color;
}
if (texture != null)
{
material.ReflectiveMap = texture;
}
}
}
if (lambert != null)
{
if (lambert.Transparency != null)
{
material.Alpha = lambert.Transparency.Float.Value;
}
if (lambert.Diffuse != null)
{
if (ReadEffectColorType(prof, lambert.Diffuse, out Vector4 color, out IOTexture texture))
{
material.DiffuseColor = color;
}
if (texture != null)
{
material.DiffuseMap = texture;
}
}
if (lambert.Ambient != null)
{
if (ReadEffectColorType(prof, lambert.Ambient, out Vector4 color, out IOTexture texture))
{
material.AmbientColor = color;
}
if (texture != null)
{
material.AmbientMap = texture;
}
}
if (lambert.Reflective != null)
{
if (ReadEffectColorType(prof, lambert.Reflective, out Vector4 color, out IOTexture texture))
{
material.ReflectiveColor = color;
}
if (texture != null)
{
material.ReflectiveMap = texture;
}
}
}
if (blinn != null)
{
if (blinn.Transparency != null)
{
material.Alpha = blinn.Transparency.Float.Value;
}
if (blinn.Shininess != null)
{
material.Shininess = blinn.Shininess.Float.Value;
}
if (blinn.Diffuse != null)
{
if (ReadEffectColorType(prof, blinn.Diffuse, out Vector4 color, out IOTexture texture))
{
material.DiffuseColor = color;
}
if (texture != null)
{
material.DiffuseMap = texture;
}
}
if (blinn.Ambient != null)
{
if (ReadEffectColorType(prof, blinn.Ambient, out Vector4 color, out IOTexture texture))
{
material.AmbientColor = color;
}
if (texture != null)
{
material.AmbientMap = texture;
}
}
if (blinn.Specular != null)
{
if (ReadEffectColorType(prof, blinn.Specular, out Vector4 color, out IOTexture texture))
{
material.SpecularColor = color;
}
if (texture != null)
{
material.SpecularMap = texture;
}
}
if (blinn.Reflective != null)
{
if (ReadEffectColorType(prof, blinn.Reflective, out Vector4 color, out IOTexture texture))
{
material.ReflectiveColor = color;
}
if (texture != null)
{
material.ReflectiveMap = texture;
}
}
}
}
return(material);
}
/// <summary>
///
/// </summary>
/// <param name="settings"></param>
/// <param name="material"></param>
/// <returns></returns>
private HSD_MOBJ GenerateMaterial(IOMaterial material)
{
// create blank mobj
var Mobj = new HSD_MOBJ();
Mobj.Material = new HSD_Material()
{
AMB_A = 0xFF,
AMB_R = 0x7F,
AMB_G = 0x7F,
AMB_B = 0x7F,
DiffuseColor = System.Drawing.Color.White,
SpecularColor = System.Drawing.Color.White,
Shininess = 50,
Alpha = 1
};
// detect and set flags
if (Settings.ImportVertexColor)
{
Mobj.RenderFlags |= RENDER_MODE.VERTEX;
}
if (Settings.EnableDiffuse)
{
Mobj.RenderFlags |= RENDER_MODE.DIFFUSE;
}
if (Settings.EnableConstant)
{
Mobj.RenderFlags |= RENDER_MODE.CONSTANT;
}
// Properties
if (material != null && Settings.ImportMaterialInfo)
{
Mobj.Material.Shininess = material.Shininess;
Mobj.Material.Alpha = material.Alpha;
Mobj.Material.AMB_R = (byte)(material.AmbientColor.X * 255);
Mobj.Material.AMB_G = (byte)(material.AmbientColor.Y * 255);
Mobj.Material.AMB_B = (byte)(material.AmbientColor.Z * 255);
Mobj.Material.AMB_A = (byte)(material.AmbientColor.W * 255);
Mobj.Material.DIF_R = (byte)(material.DiffuseColor.X * 255);
Mobj.Material.DIF_G = (byte)(material.DiffuseColor.Y * 255);
Mobj.Material.DIF_B = (byte)(material.DiffuseColor.Z * 255);
Mobj.Material.DIF_A = (byte)(material.DiffuseColor.W * 255);
Mobj.Material.SPC_R = (byte)(material.SpecularColor.X * 255);
Mobj.Material.SPC_G = (byte)(material.SpecularColor.Y * 255);
Mobj.Material.SPC_B = (byte)(material.SpecularColor.Z * 255);
Mobj.Material.SPC_A = (byte)(material.SpecularColor.W * 255);
}
// Textures
if (material != null && Settings.ImportTexture)
{
if (material.DiffuseMap != null && !string.IsNullOrEmpty(material.DiffuseMap.FilePath))
{
var texturePath = material.DiffuseMap.FilePath;
if (texturePath.Contains("file://"))
{
texturePath = texturePath.Replace("file://", "");
}
if (File.Exists(Path.Combine(_cache.FolderPath, texturePath)))
{
texturePath = Path.Combine(_cache.FolderPath, texturePath);
}
if (File.Exists(material.DiffuseMap.FilePath))
{
texturePath = material.DiffuseMap.FilePath;
}
if (File.Exists(texturePath + ".png"))
{
texturePath = texturePath + ".png";
}
var mobjPath = Path.Combine(Path.GetDirectoryName(texturePath), Path.GetFileNameWithoutExtension(texturePath)) + ".mobj";
if (Settings.ImportMOBJ && File.Exists(mobjPath))
{
var dat = new HSDRaw.HSDRawFile(mobjPath);
Mobj._s = dat.Roots[0].Data._s;
return(Mobj);
}
else
/// special mobj loading
if (Path.GetExtension(texturePath).ToLower() == ".mobj")
{
var dat = new HSDRaw.HSDRawFile(texturePath);
Mobj._s = dat.Roots[0].Data._s;
return(Mobj);
}
else
if (File.Exists(texturePath) && (texturePath.ToLower().EndsWith(".png") || texturePath.ToLower().EndsWith(".bmp")))
{
Mobj.RenderFlags |= RENDER_MODE.TEX0;
var tobj = TOBJConverter.ImportTOBJFromFile(texturePath, Settings.TextureFormat, Settings.PaletteFormat);
tobj.Flags = TOBJ_FLAGS.LIGHTMAP_DIFFUSE | TOBJ_FLAGS.COORD_UV | TOBJ_FLAGS.COLORMAP_MODULATE;
tobj.GXTexGenSrc = 4;
tobj.TexMapID = GXTexMapID.GX_TEXMAP0;
tobj.WrapS = ToGXWrapMode(material.DiffuseMap.WrapS);
tobj.WrapT = ToGXWrapMode(material.DiffuseMap.WrapT);
if (TOBJConverter.IsTransparent(tobj))
{
_cache.HasXLU = true;
Mobj.RenderFlags |= RENDER_MODE.XLU;
tobj.Flags |= TOBJ_FLAGS.ALPHAMAP_MODULATE;
}
Mobj.Textures = tobj;
}
}
}
return(Mobj);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public List <IOMaterial> GetMaterials()
{
List <IOMaterial> materials = new List <IOMaterial>();
foreach (var m in _document.GetNodesByName("Material"))
{
// generate material
IOMaterial mat = new IOMaterial()
{
Name = GetNameWithoutNamespace(m.Properties[NodeDescSize - 2].ToString())
};
// load material attributes
if (m["ShadingModel"] != null && m["ShadingModel"].Properties[0].ToString().ToLower() == "phong")//ToLower Because it's sometimes "Phong"
{
var properties = m.GetNodesByName("P");
if (properties.Length == 0)
{
properties = m.GetNodesByName("Property");
}
foreach (var prop in properties)
{
switch (prop.Properties[0].ToString())
{
case "AmbientColor":
mat.AmbientColor = GetColor(prop);
break;
case "DiffuseColor":
mat.DiffuseColor = GetColor(prop);
break;
case "SpecularColor":
mat.SpecularColor = GetColor(prop);
break;
case "ReflectionColor":
mat.ReflectiveColor = GetColor(prop);
break;
case "Emissive":
mat.EmissionColor = GetColor(prop);
break;
case "Shininess":
mat.Shininess = (float)(double)prop.Properties[PropertyDescSize];
break;
case "Opacity":
mat.Alpha = (float)(double)prop.Properties[PropertyDescSize];
break;
}
}
}
// get textures
var children = GetChildConnections(m).Where(e => e.Name == "Texture");
foreach (var t in children)
{
// the property is stored in the connections
// for now always map it to diffuse
mat.DiffuseMap = new IOTexture()
{
Name = t.Properties[NodeDescSize - 2].ToString(),
FilePath = t["FileName"].Properties[0].ToString()
};
}
materials.Add(mat);
}
return(materials);
}
/// <summary>
///
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public IOScene GetScene(string filePath)
{
IOScene scene = new IOScene();
IOModel model = new IOModel();
scene.Models.Add(model);
using (FileStream stream = new FileStream(filePath, FileMode.Open))
using (StreamReader r = new StreamReader(stream))
{
Dictionary <string, IOMesh> nameToMesh = new Dictionary <string, IOMesh>();
HashSet <IOBone> meshBones = new HashSet <IOBone>();
Dictionary <int, IOBone> idxToBone = new Dictionary <int, IOBone>();
Dictionary <int, int> idxToParent = new Dictionary <int, int>();
string mode = "";
int time = 0;
while (!r.EndOfStream)
{
// read and clean line args
var line = r.ReadLine().Trim();
var args = Regex.Replace(line, @"\s+", " ").Split(' ');
// check for grouping
switch (args[0])
{
case "nodes":
case "skeleton":
case "triangles":
case "end":
mode = args[0];
break;
}
switch (mode)
{
case "nodes":
if (args.Length >= 3)
{
args = line.Split('"');
var index = int.Parse(args[0].Trim());
var name = args[1];
var parentIndex = int.Parse(args[2].Trim());
IOBone bone = new IOBone()
{
Name = name
};
idxToBone.Add(index, bone);
idxToParent.Add(index, parentIndex);
}
break;
case "skeleton":
if (args.Length == 2 && args[0] == "time")
{
int.TryParse(args[1], out time);
}
if (args.Length == 7)
{
var index = int.Parse(args[0]);
if (time == 0)
{
idxToBone[index].Translation = new System.Numerics.Vector3(float.Parse(args[1]), float.Parse(args[2]), float.Parse(args[3]));
idxToBone[index].RotationEuler = new System.Numerics.Vector3(float.Parse(args[4]), float.Parse(args[5]), float.Parse(args[6]));
}
}
break;
case "triangles":
{
if (args.Length > 0 && args.Length < 9 && args[0] != "triangles")
{
var material = string.Join(" ", args);
var v1 = ParseVertex(r.ReadLine(), idxToBone, out IOBone parent);
var v2 = ParseVertex(r.ReadLine(), idxToBone, out parent);
var v3 = ParseVertex(r.ReadLine(), idxToBone, out parent);
var meshName = parent.Name + material;
if (!meshBones.Contains(parent))
{
meshBones.Add(parent);
}
meshName = Regex.Replace(meshName.Trim(), @"\s+", "_").Replace("#", "");
if (!nameToMesh.ContainsKey(meshName))
{
// create and load material
IOMaterial mat = new IOMaterial()
{
Name = material
};
scene.Materials.Add(mat);
// create io mesh
var iomesh = new IOMesh()
{
Name = meshName
};
// create triangle polygon
iomesh.Polygons.Add(new IOPolygon()
{
MaterialName = material,
PrimitiveType = IOPrimitive.TRIANGLE
});
nameToMesh.Add(meshName, iomesh);
}
var mesh = nameToMesh[meshName];
mesh.Polygons[0].Indicies.Add(mesh.Vertices.Count);
mesh.Polygons[0].Indicies.Add(mesh.Vertices.Count + 1);
mesh.Polygons[0].Indicies.Add(mesh.Vertices.Count + 2);
mesh.Vertices.Add(v1);
mesh.Vertices.Add(v2);
mesh.Vertices.Add(v3);
}
}
break;
}
}
// create skeleton hierarchy
foreach (var bone in idxToBone)
{
var parent = idxToParent[bone.Key];
if (parent == -1)
{
if (meshBones.Count > 1 && meshBones.Contains(bone.Value))
{
continue;
}
else
{
model.Skeleton.RootBones.Add(bone.Value);
}
}
else
{
idxToBone[parent].AddChild(bone.Value);
}
}
// dump mesh
model.Meshes.AddRange(nameToMesh.Values);
}
return(scene);
}
/// <summary>
///
/// </summary>
/// <param name="mat"></param>
private void ProcessMaterial(IOMaterial mat)
{
// create phong shading
var phong = new Phong()
{
Shininess = new FX_Common_Float_Or_Param_Type {
Float = new IONET.Collada.Types.SID_Float()
{
sID = "shininess", Value = mat.Shininess
}
},
Transparency = new FX_Common_Float_Or_Param_Type()
{
Float = new IONET.Collada.Types.SID_Float()
{
sID = "transparency", Value = mat.Alpha
}
},
Reflectivity = new FX_Common_Float_Or_Param_Type()
{
Float = new IONET.Collada.Types.SID_Float()
{
sID = "reflectivity", Value = mat.Reflectivity
}
},
Ambient = GenerateTextureInfo("ambient", mat.AmbientColor, mat.AmbientMap),
Diffuse = GenerateTextureInfo("diffuse", mat.DiffuseColor, mat.DiffuseMap),
Specular = GenerateTextureInfo("specular", mat.SpecularColor, mat.SpecularMap),
Emission = GenerateTextureInfo("emission", mat.EmissionColor, mat.EmissionMap),
Reflective = GenerateTextureInfo("reflective", mat.ReflectiveColor, mat.ReflectiveMap),
};
// create effect
Effect effect = new Effect()
{
ID = GetUniqueID(mat.Name + "-effect"),
Name = mat.Name,
Profile_COMMON = new IONET.Collada.FX.Profiles.COMMON.Profile_COMMON[]
{
new IONET.Collada.FX.Profiles.COMMON.Profile_COMMON()
{
Technique = new IONET.Collada.FX.Profiles.COMMON.Effect_Technique_COMMON()
{
sID = "standard",
Phong = phong
},
}
}
};
// create material
Material material = new Material()
{
ID = GetUniqueID(mat.Name),
Name = mat.Name,
Instance_Effect = new Instance_Effect()
{
URL = "#" + effect.ID
}
};
// add effect to effect library
if (_collada.Library_Effects == null)
{
_collada.Library_Effects = new Library_Effects();
}
if (_collada.Library_Effects.Effect == null)
{
_collada.Library_Effects.Effect = new Effect[0];
}
Array.Resize(ref _collada.Library_Effects.Effect, _collada.Library_Effects.Effect.Length + 1);
_collada.Library_Effects.Effect[_collada.Library_Effects.Effect.Length - 1] = effect;
// add material to material library
if (_collada.Library_Materials == null)
{
_collada.Library_Materials = new Library_Materials();
}
if (_collada.Library_Materials.Material == null)
{
_collada.Library_Materials.Material = new Material[0];
}
Array.Resize(ref _collada.Library_Materials.Material, _collada.Library_Materials.Material.Length + 1);
_collada.Library_Materials.Material[_collada.Library_Materials.Material.Length - 1] = material;
}
public IOModel GetIOModel()
{
IOModel outModel = new IOModel();
Mesh meshFile = null;
Matl materialFile = null;
foreach (FileNode n in Parent.Nodes)
{
if (n.Text.Equals(model.MeshString))
{
meshFile = ((NumsbhNode)n).mesh;
}
if (n.Text.Equals(model.SkeletonFileName))
{
outModel.Skeleton = (RSkeleton)((SkelNode)n).GetRenderableNode();
}
if (n.Text.Equals(model.MaterialFileNames[0].MaterialFileName))
{
materialFile = ((MatlNode)n).Material;
}
}
Dictionary <string, int> indexByBoneName = new Dictionary <string, int>();
if (outModel.Skeleton != null)
{
for (int i = 0; i < outModel.Skeleton.Bones.Count; i++)
{
indexByBoneName.Add(outModel.Skeleton.Bones[i].Name, i);
}
}
Dictionary <string, int> materialNameToIndex = new Dictionary <string, int>();
if (materialFile != null)
{
int materialIndex = 0;
foreach (var entry in materialFile.Entries)
{
materialNameToIndex.Add(entry.ShaderLabel, materialIndex++);
IOMaterial material = new IOMaterial
{
Name = entry.ShaderLabel
};
outModel.Materials.Add(material);
foreach (var attr in entry.Attributes)
{
if (attr.ParamId == MatlEnums.ParamId.Texture0)
{
IOTexture dif = new IOTexture
{
Name = attr.DataObject.ToString()
};
material.DiffuseTexture = dif;
}
}
}
}
if (meshFile != null)
{
SsbhVertexAccessor vertexAccessor = new SsbhVertexAccessor(meshFile);
{
SsbhRiggingAccessor riggingAccessor = new SsbhRiggingAccessor(meshFile);
foreach (MeshObject obj in meshFile.Objects)
{
IOMesh outMesh = new IOMesh()
{
Name = obj.Name,
};
outModel.Meshes.Add(outMesh);
// get material
if (materialFile != null)
{
foreach (var entry in model.ModelEntries)
{
if (entry.MeshName.Equals(obj.Name) && entry.SubIndex == obj.SubMeshIndex)
{
outMesh.MaterialIndex = materialNameToIndex[entry.MaterialLabel];
break;
}
}
}
IOVertex[] vertices = new IOVertex[obj.VertexCount];
for (int i = 0; i < vertices.Length; i++)
{
vertices[i] = new IOVertex();
}
foreach (MeshAttribute attr in obj.Attributes)
{
SsbhVertexAttribute[] values = vertexAccessor.ReadAttribute(attr.AttributeStrings[0].Name, 0, obj.VertexCount, obj);
if (attr.AttributeStrings[0].Name.Equals("Position0"))
{
outMesh.HasPositions = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].Position = new OpenTK.Vector3(values[i].X, values[i].Y, values[i].Z);
}
}
if (attr.AttributeStrings[0].Name.Equals("Normal0"))
{
outMesh.HasNormals = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].Normal = new OpenTK.Vector3(values[i].X, values[i].Y, values[i].Z);
}
}
// Flip UVs vertically for export.
if (attr.AttributeStrings[0].Name.Equals("map1"))
{
outMesh.HasUV0 = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].UV0 = new OpenTK.Vector2(values[i].X, 1 - values[i].Y);
}
}
if (attr.AttributeStrings[0].Name.Equals("uvSet"))
{
outMesh.HasUV1 = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].UV1 = new OpenTK.Vector2(values[i].X, 1 - values[i].Y);
}
}
if (attr.AttributeStrings[0].Name.Equals("uvSet1"))
{
outMesh.HasUV2 = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].UV2 = new OpenTK.Vector2(values[i].X, 1 - values[i].Y);
}
}
if (attr.AttributeStrings[0].Name.Equals("uvSet2"))
{
outMesh.HasUV3 = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].UV3 = new OpenTK.Vector2(values[i].X, 1 - values[i].Y);
}
}
if (attr.AttributeStrings[0].Name.Equals("colorSet1"))
{
outMesh.HasColor = true;
for (int i = 0; i < values.Length; i++)
{
vertices[i].Color = new OpenTK.Vector4(values[i].X, values[i].Y, values[i].Z, values[i].W) / 127f;
}
}
}
// Fix SingleBinds
if (outModel.Skeleton != null && !obj.ParentBoneName.Equals(""))
{
int parentIndex = outModel.Skeleton.GetBoneIndex(obj.ParentBoneName);
if (parentIndex != -1)
{
for (int i = 0; i < vertices.Length; i++)
{
vertices[i].Position = OpenTK.Vector3.TransformPosition(vertices[i].Position, outModel.Skeleton.Bones[parentIndex].WorldTransform);
vertices[i].Normal = OpenTK.Vector3.TransformNormal(vertices[i].Normal, outModel.Skeleton.Bones[parentIndex].WorldTransform);
vertices[i].BoneIndices.X = indexByBoneName[obj.ParentBoneName];
vertices[i].BoneWeights.X = 1;
outMesh.HasBoneWeights = true;
}
}
}
// Apply Rigging
SsbhVertexInfluence[] influences = riggingAccessor.ReadRiggingBuffer(obj.Name, (int)obj.SubMeshIndex);
foreach (SsbhVertexInfluence influence in influences)
{
outMesh.HasBoneWeights = true;
// Some influences refer to bones that don't exist in the skeleton.
// _eff bones?
if (!indexByBoneName.ContainsKey(influence.BoneName))
{
continue;
}
if (vertices[influence.VertexIndex].BoneWeights.X == 0)
{
vertices[influence.VertexIndex].BoneIndices.X = indexByBoneName[influence.BoneName];
vertices[influence.VertexIndex].BoneWeights.X = influence.Weight;
}
else if (vertices[influence.VertexIndex].BoneWeights.Y == 0)
{
vertices[influence.VertexIndex].BoneIndices.Y = indexByBoneName[influence.BoneName];
vertices[influence.VertexIndex].BoneWeights.Y = influence.Weight;
}
else if (vertices[influence.VertexIndex].BoneWeights.Z == 0)
{
vertices[influence.VertexIndex].BoneIndices.Z = indexByBoneName[influence.BoneName];
vertices[influence.VertexIndex].BoneWeights.Z = influence.Weight;
}
else if (vertices[influence.VertexIndex].BoneWeights.W == 0)
{
vertices[influence.VertexIndex].BoneIndices.W = indexByBoneName[influence.BoneName];
vertices[influence.VertexIndex].BoneWeights.W = influence.Weight;
}
}
outMesh.Vertices.AddRange(vertices);
outMesh.Indices.AddRange(vertexAccessor.ReadIndices(0, obj.IndexCount, obj));
}
}
}
return(outModel);
}
public override bool ExportToFile(IOModel model, string filename)
{
var path = Path.GetDirectoryName(filename);
var materialPath = path + "\\" + Path.GetFileNameWithoutExtension(filename) + ".mtl";
using (var writer = new StreamWriter(filename, false))
{
writer.WriteLine("# Exported by Tomb Editor " + Assembly.GetExecutingAssembly().GetName().Version.ToString() + "\n");
writer.WriteLine("mtllib " + Path.GetFileNameWithoutExtension(filename) + ".mtl" + "\n");
// Optimize all data
var poscol = new List <Vector3[]>();
var poscolIndices = new Dictionary <int, int>();
var normals = new List <Vector3>();
var normalIndices = new Dictionary <int, int>();
var uvs = new List <Vector2>();
var uvIndices = new Dictionary <int, int>();
// Pack positions and colours
int meshCount = 0;
foreach (var mesh in model.Meshes)
{
if (mesh.Positions.Count == 0)
{
continue;
}
for (int i = 0; i < mesh.Positions.Count; i++)
{
var position = ApplyAxesTransforms(mesh.Positions[i]);
var colour = ApplyColorTransform(mesh.Colors.Count > i ? mesh.Colors[i] : new Vector4(2)).To3();
int found = -1;
for (int j = 0; j < poscol.Count; j++)
{
if (poscol[j][0] == position &&
poscol[j][1] == colour)
{
found = j;
break;
}
}
if (found == -1)
{
found = poscol.Count;
poscol.Add(new Vector3[2] {
position, colour
});
}
poscolIndices.Add(i + meshCount, found);
}
meshCount += mesh.Positions.Count;
}
// Pack normals
meshCount = 0;
foreach (var mesh in model.Meshes)
{
if (mesh.Normals.Count == 0)
{
mesh.CalculateNormals();
}
for (int i = 0; i < mesh.Normals.Count; i++)
{
var normal = mesh.Normals[i];
int found = -1;
for (int j = 0; j < normals.Count; j++)
{
if (normals[j] == normal)
{
found = j;
break;
}
}
if (found == -1)
{
found = normals.Count;
normals.Add(normal);
}
normalIndices.Add(i + meshCount, found);
}
meshCount += mesh.Normals.Count;
}
// Pack UV coords
meshCount = 0;
foreach (var mesh in model.Meshes)
{
if (mesh.UV.Count == 0)
{
continue;
}
for (int i = 0; i < mesh.UV.Count; i++)
{
var uv = mesh.UV[i];
int found = -1;
for (int j = 0; j < uvs.Count; j++)
{
if (uvs[j] == uv)
{
found = j;
break;
}
}
if (found == -1)
{
found = uvs.Count;
uvs.Add(uv);
}
uvIndices.Add(i + meshCount, found);
}
meshCount += mesh.UV.Count;
}
// Save vertices
if (!_settings.UseVertexColor)
{
foreach (var pc in poscol)
{
writer.WriteLine("v " + pc[0].X.ToString(CultureInfo.InvariantCulture) + " " +
pc[0].Y.ToString(CultureInfo.InvariantCulture) + " " +
pc[0].Z.ToString(CultureInfo.InvariantCulture));
}
}
else
{
// Include vertex colour, it may be parsed correctly by some software, e.g. MeshMixer and MeshLab.
foreach (var pc in poscol)
{
writer.WriteLine("v " + pc[0].X.ToString(CultureInfo.InvariantCulture) + " " +
pc[0].Y.ToString(CultureInfo.InvariantCulture) + " " +
pc[0].Z.ToString(CultureInfo.InvariantCulture) + " " +
pc[1].X.ToString(CultureInfo.InvariantCulture) + " " +
pc[1].Y.ToString(CultureInfo.InvariantCulture) + " " +
pc[1].Z.ToString(CultureInfo.InvariantCulture));
}
}
writer.WriteLine("# " + poscol.Count + " vertices total.\n");
// Save normals
foreach (var normal in normals)
{
writer.WriteLine("vn " + normal.X.ToString(CultureInfo.InvariantCulture) + " " +
normal.Y.ToString(CultureInfo.InvariantCulture) + " " +
normal.Z.ToString(CultureInfo.InvariantCulture));
}
writer.WriteLine("# " + normals.Count + " normals total.\n");
// Save UVs
foreach (var uv in uvs)
{
writer.WriteLine("vt " + uv.X.ToString(CultureInfo.InvariantCulture) + " " +
(1.0f - uv.Y).ToString(CultureInfo.InvariantCulture) + " 0.000");
}
writer.WriteLine("# " + uvs.Count + " UVs total.\n");
int pCount = 0;
int uCount = 0;
int nCount = 0;
foreach (var mesh in model.Meshes)
{
writer.WriteLine("o " + mesh.Name + "\n");
// Save faces
IOMaterial lastMaterial = null;
int faceCount = 0;
foreach (var submesh in mesh.Submeshes)
{
if (submesh.Value.Polygons.Count == 0)
{
continue;
}
if (lastMaterial == null || lastMaterial != submesh.Key)
{
lastMaterial = submesh.Key;
writer.WriteLine("\n" + "usemtl " + lastMaterial.Name.ToString());
}
foreach (var poly in submesh.Value.Polygons)
{
var indices = new List <int>();
indices.Add(poly.Indices[0]);
indices.Add(poly.Indices[1]);
indices.Add(poly.Indices[2]);
if (poly.Shape == IOPolygonShape.Quad)
{
indices.Add(poly.Indices[3]);
}
// Change vertex winding
if (_settings.InvertFaces)
{
indices.Reverse();
}
var v1 = indices[0];
var v2 = indices[1];
var v3 = indices[2];
var v4 = (poly.Shape == IOPolygonShape.Quad ? indices[3] : 0);
if (poly.Shape == IOPolygonShape.Triangle)
{
writer.WriteLine("f " + (poscolIndices[v1 + pCount] + 1) + "/"
+ (uvIndices [v1 + uCount] + 1) + "/"
+ (normalIndices[v1 + nCount] + 1) + " "
+ (poscolIndices[v2 + pCount] + 1) + "/"
+ (uvIndices [v2 + uCount] + 1) + "/"
+ (normalIndices[v2 + nCount] + 1) + " "
+ (poscolIndices[v3 + pCount] + 1) + "/"
+ (uvIndices [v3 + uCount] + 1) + "/"
+ (normalIndices[v3 + nCount] + 1));
}
else
{
writer.WriteLine("f " + (poscolIndices[v1 + pCount] + 1) + "/"
+ (uvIndices [v1 + uCount] + 1) + "/"
+ (normalIndices[v1 + nCount] + 1) + " "
+ (poscolIndices[v2 + pCount] + 1) + "/"
+ (uvIndices [v2 + uCount] + 1) + "/"
+ (normalIndices[v2 + nCount] + 1) + " "
+ (poscolIndices[v3 + pCount] + 1) + "/"
+ (uvIndices [v3 + uCount] + 1) + "/"
+ (normalIndices[v3 + nCount] + 1) + " "
+ (poscolIndices[v4 + pCount] + 1) + "/"
+ (uvIndices [v4 + uCount] + 1) + "/"
+ (normalIndices[v4 + nCount] + 1));
}
faceCount++;
}
}
pCount += mesh.Positions.Count;
uCount += mesh.UV.Count;
nCount += mesh.Normals.Count;
writer.WriteLine("# " + faceCount + " faces total.\n");
}
}
using (var writer = new StreamWriter(materialPath, false))
{
writer.WriteLine("# Exported by Tomb Editor " +
Assembly.GetExecutingAssembly().GetName().Version.ToString() + "\n");
foreach (var material in model.UsedMaterials)
{
writer.WriteLine("newmtl " + material.Name);
writer.WriteLine(" Ka 1.000000 1.000000 1.000000");
writer.WriteLine(" Kd 1.000000 1.000000 1.000000");
writer.WriteLine(" Ni 1.000000");
writer.WriteLine(" Ns 10.000000");
writer.WriteLine(" d " + (material.AdditiveBlending ? "0.500000" : "1.000000"));
writer.WriteLine(" illum 2");
writer.WriteLine(" map_Ka " + material.TexturePath);
writer.WriteLine(" map_Kd " + material.TexturePath);
writer.WriteLine("\n");
}
}
return(true);
}
public override IOScene GetIOModel()
{
IOScene scene = new IOScene();
IOModel iomodel = new IOModel();
scene.Models.Add(iomodel);
iomodel.Skeleton = ((SBSkeleton)Skeleton).ToIOSkeleton();
// bone indices
List <SBHsdBone> bones = new List <SBHsdBone>();
foreach (SBHsdBone bone in Skeleton.Bones)
{
bones.Add(bone);
}
// gather textures
Dictionary <HSDStruct, string> tobjToName = new Dictionary <HSDStruct, string>();
List <SBSurface> textures = new List <SBSurface>();
foreach (var tex in tobjToSurface)
{
tex.Value.Name = $"TOBJ_{textures.Count}";
tobjToName.Add(tex.Key, tex.Value.Name);
textures.Add(tex.Value);
}
// process mesh
foreach (SBHsdMesh me in GetMeshObjects())
{
var dobj = me.DOBJ;
var parent = Skeleton.Bones[0];
foreach (var b in Skeleton.Bones)
{
if (b is SBHsdBone bone)
{
if (bone.GetJOBJ().Dobj != null)
{
if (bone.GetJOBJ().Dobj.List.Contains(dobj))
{
parent = b;
break;
}
}
}
}
var iomesh = new IOMesh();
iomesh.Name = me.Name;
iomodel.Meshes.Add(iomesh);
IOPolygon poly = new IOPolygon();
iomesh.Polygons.Add(poly);
if (dobj.Pobj != null)
{
foreach (var pobj in dobj.Pobj.List)
{
var dl = pobj.ToDisplayList();
var vertices = GX_VertexAccessor.GetDecodedVertices(dl, pobj);
HSD_Envelope[] bindGroups = null;;
if (pobj.EnvelopeWeights != null)
{
bindGroups = pobj.EnvelopeWeights;
}
var offset = 0;
foreach (var v in dl.Primitives)
{
List <GX_Vertex> strip = new List <GX_Vertex>();
for (int i = 0; i < v.Count; i++)
{
strip.Add(vertices[offset + i]);
}
offset += v.Count;
iomesh.Vertices.AddRange(ConvertGXDLtoTriangleList(v.PrimitiveType, SBHsdMesh.GXVertexToHsdVertex(strip, bones, bindGroups), (SBHsdBone)parent));
}
}
}
// flip faces
for (int i = 0; i < iomesh.Vertices.Count; i += 3)
{
if (i + 2 < iomesh.Vertices.Count)
{
poly.Indicies.Add(i + 2);
poly.Indicies.Add(i + 1);
poly.Indicies.Add(i);
}
else
{
break;
}
}
poly.MaterialName = iomesh.Name + "_material";
// create material
IOMaterial mat = new IOMaterial();
mat.Name = iomesh.Name + "_material";
if (dobj.Mobj.Material != null)
{
mat.DiffuseColor = new System.Numerics.Vector4(
dobj.Mobj.Material.DiffuseColor.R / 255f,
dobj.Mobj.Material.DiffuseColor.G / 255f,
dobj.Mobj.Material.DiffuseColor.B / 255f,
dobj.Mobj.Material.DiffuseColor.A / 255f);
mat.SpecularColor = new System.Numerics.Vector4(
dobj.Mobj.Material.SpecularColor.R / 255f,
dobj.Mobj.Material.SpecularColor.G / 255f,
dobj.Mobj.Material.SpecularColor.B / 255f,
dobj.Mobj.Material.SpecularColor.A / 255f);
mat.AmbientColor = new System.Numerics.Vector4(
dobj.Mobj.Material.AmbientColor.R / 255f,
dobj.Mobj.Material.AmbientColor.G / 255f,
dobj.Mobj.Material.AmbientColor.B / 255f,
dobj.Mobj.Material.AmbientColor.A / 255f);
mat.Alpha = dobj.Mobj.Material.Alpha;
mat.Shininess = dobj.Mobj.Material.Shininess;
}
if (dobj.Mobj.Textures != null)
{
mat.DiffuseMap = new IOTexture()
{
Name = tobjToName[dobj.Mobj.Textures._s],
FilePath = tobjToName[dobj.Mobj.Textures._s]
}
}
;
scene.Materials.Add(mat);
}
return(scene);
}
/// <summary>
///
/// </summary>
/// <param name="scene"></param>
/// <param name="filePath"></param>
private void LoadMaterialLibrary(IOScene scene, string filePath)
{
using (FileStream stream = new FileStream(filePath, FileMode.Open))
using (StreamReader r = new StreamReader(stream))
{
IOMaterial currentMaterial = new IOMaterial();
while (!r.EndOfStream)
{
var args = Regex.Replace(r.ReadLine().Trim(), @"\s+", " ").Split(' ');
if (args.Length == 0)
{
continue;
}
switch (args[0])
{
case "newmtl":
currentMaterial = new IOMaterial()
{
Name = args[1]
};
scene.Materials.Add(currentMaterial);
break;
case "Ka":
currentMaterial.AmbientColor = new Vector4(float.Parse(args[1]), float.Parse(args[2]), float.Parse(args[3]), 1);
break;
case "Kd":
currentMaterial.DiffuseColor = new Vector4(float.Parse(args[1]), float.Parse(args[2]), float.Parse(args[3]), 1);
break;
case "Ks":
currentMaterial.SpecularColor = new Vector4(float.Parse(args[1]), float.Parse(args[2]), float.Parse(args[3]), 1);
break;
case "Ns":
currentMaterial.Shininess = float.Parse(args[1]);
break;
case "d":
currentMaterial.Alpha = float.Parse(args[1]);
break;
case "Tr":
currentMaterial.Alpha = 1 - float.Parse(args[1]);
break;
case "map_Ka":
currentMaterial.AmbientMap = new IOTexture()
{
Name = currentMaterial.Name + "_texture",
FilePath = string.Join(" ", args, 1, args.Length - 1)
};
break;
case "map_Kd":
currentMaterial.DiffuseMap = new IOTexture()
{
Name = currentMaterial.Name + "_texture",
FilePath = string.Join(" ", args, 1, args.Length - 1)
};
break;
case "map_Ks":
currentMaterial.SpecularMap = new IOTexture()
{
Name = currentMaterial.Name + "_texture",
FilePath = string.Join(" ", args, 1, args.Length - 1)
};
break;
}
}
}
}
public override IOModel ImportFromFile(string filename)
{
string path = Path.GetDirectoryName(filename);
// Use Assimp.NET for importing model
AssimpContext context = new AssimpContext();
context.SetConfig(new NormalSmoothingAngleConfig(90.0f));
Scene scene = context.ImportFile(filename, PostProcessPreset.TargetRealTimeMaximumQuality);
var newModel = new IOModel();
var textures = new Dictionary <int, Texture>();
if (_settings.ProcessGeometry)
{
var tmpList = new List <IOMesh>();
// Create the list of materials to load
for (int i = 0; i < scene.Materials.Count; i++)
{
var mat = scene.Materials[i];
var material = new IOMaterial(mat.HasName ? mat.Name : "Material_" + i);
var diffusePath = mat.HasTextureDiffuse ? mat.TextureDiffuse.FilePath : null;
if (string.IsNullOrWhiteSpace(diffusePath))
{
continue;
}
// Don't add materials with missing textures
var texture = GetTexture(path, diffusePath);
if (texture == null)
{
logger.Warn("Texture for material " + mat.Name + " is missing. Meshes referencing this material won't be imported.");
continue;
}
else
{
textures.Add(i, texture);
}
// Create the new material
material.Texture = textures[i];
material.AdditiveBlending = (mat.HasBlendMode && mat.BlendMode == global::Assimp.BlendMode.Additive) || mat.Opacity < 1.0f;
material.DoubleSided = mat.HasTwoSided && mat.IsTwoSided;
material.Shininess = mat.HasShininess ? (int)mat.Shininess : 0;
newModel.Materials.Add(material);
}
var lastBaseVertex = 0;
// Loop for each mesh loaded in scene
foreach (var mesh in scene.Meshes)
{
// Discard nullmeshes
if (!mesh.HasFaces || !mesh.HasVertices || mesh.VertexCount < 3 ||
mesh.TextureCoordinateChannelCount == 0 || !mesh.HasTextureCoords(0))
{
logger.Warn("Mesh \"" + (mesh.Name ?? "") + "\" has no faces, no texture coordinates or wrong vertex count.");
continue;
}
// Import only textured meshes with valid materials
Texture faceTexture;
if (!textures.TryGetValue(mesh.MaterialIndex, out faceTexture))
{
logger.Warn("Mesh \"" + (mesh.Name ?? "") + "\" does have material index " + mesh.MaterialIndex + " which is unsupported or can't be found.");
continue;
}
// Make sure we have appropriate material in list. If not, skip mesh and warn user.
var material = newModel.Materials.FirstOrDefault(mat => mat.Name.Equals(scene.Materials[mesh.MaterialIndex].Name));
if (material == null)
{
logger.Warn("Can't find material with specified index (" + mesh.MaterialIndex + "). Probably you're missing textures or using non-diffuse materials only for this mesh.");
continue;
}
// Assimp's mesh is our IOSubmesh so we import meshes with just one submesh
var newMesh = new IOMesh(mesh.Name);
var newSubmesh = new IOSubmesh(material);
newMesh.Submeshes.Add(material, newSubmesh);
bool hasColors = _settings.UseVertexColor && mesh.VertexColorChannelCount > 0 && mesh.HasVertexColors(0);
bool hasNormals = mesh.HasNormals;
// Additional integrity checks
if ((mesh.VertexCount != mesh.TextureCoordinateChannels[0].Count) ||
(hasColors && mesh.VertexCount != mesh.VertexColorChannels[0].Count) ||
(hasNormals && mesh.VertexCount != mesh.Normals.Count))
{
logger.Warn("Mesh \"" + (mesh.Name ?? "") + "\" data structure is inconsistent.");
continue;
}
// Source data
var positions = mesh.Vertices;
var normals = mesh.Normals;
var texCoords = mesh.TextureCoordinateChannels[0];
var colors = mesh.VertexColorChannels[0];
for (int i = 0; i < mesh.VertexCount; i++)
{
// Create position
var position = new Vector3(positions[i].X, positions[i].Y, positions[i].Z);
position = ApplyAxesTransforms(position);
newMesh.Positions.Add(position);
// Create normal
if (hasNormals)
{
var normal = new Vector3(normals[i].X, normals[i].Y, normals[i].Z);
normal = ApplyAxesTransforms(normal);
newMesh.Normals.Add(normal);
}
else
{
newMesh.CalculateNormals();
}
// Create UV
var currentUV = new Vector2(texCoords[i].X, texCoords[i].Y);
if (faceTexture != null)
{
currentUV = ApplyUVTransform(currentUV, faceTexture.Image.Width, faceTexture.Image.Height);
}
newMesh.UV.Add(currentUV);
// Create colors
if (hasColors)
{
var color = ApplyColorTransform(new Vector4(colors[i].R, colors[i].G, colors[i].B, colors[i].A));
newMesh.Colors.Add(color);
}
}
// Add polygons
foreach (var face in mesh.Faces)
{
if (face.IndexCount == 3)
{
var poly = new IOPolygon(IOPolygonShape.Triangle);
poly.Indices.Add(lastBaseVertex + face.Indices[0]);
poly.Indices.Add(lastBaseVertex + face.Indices[1]);
poly.Indices.Add(lastBaseVertex + face.Indices[2]);
if (_settings.InvertFaces)
{
poly.Indices.Reverse();
}
newSubmesh.Polygons.Add(poly);
}
else if (face.IndexCount == 4)
{
var poly = new IOPolygon(IOPolygonShape.Quad);
poly.Indices.Add(lastBaseVertex + face.Indices[0]);
poly.Indices.Add(lastBaseVertex + face.Indices[1]);
poly.Indices.Add(lastBaseVertex + face.Indices[2]);
poly.Indices.Add(lastBaseVertex + face.Indices[3]);
if (_settings.InvertFaces)
{
poly.Indices.Reverse();
}
newSubmesh.Polygons.Add(poly);
}
}
tmpList.Add(newMesh);
}
// Sort meshes by name, if specified
if (_settings.SortByName)
{
tmpList = tmpList.OrderBy(m => m.Name, new CustomComparer <string>(NaturalComparer.Do)).ToList();
}
foreach (var mesh in tmpList)
{
newModel.Meshes.Add(mesh);
}
}
if (_settings.ProcessAnimations &&
scene.HasAnimations && scene.AnimationCount > 0)
{
// Find all mesh nodes to count against animation nodes
var meshNameList = CollectMeshNodeNames(scene.RootNode);
// Sort animations by name, if specified
if (_settings.SortByName)
{
meshNameList = meshNameList.OrderBy(s => s, new CustomComparer <string>(NaturalComparer.Do)).ToList();
}
// Loop through all animations and add appropriate ones.
// Integrity check: there should be meshes and mesh count should be equal to unique mesh name count.
if (scene.MeshCount <= 0 || scene.MeshCount != meshNameList.Count)
{
logger.Warn("Actual number of meshes doesn't correspond to mesh list. Animations won't be imported.");
}
else
{
for (int i = 0; i < scene.AnimationCount; i++)
{
var anim = scene.Animations[i];
// Integrity check: support only time-based node animations
if (!anim.HasNodeAnimations || anim.DurationInTicks <= 0)
{
logger.Warn("Anim " + i + " isn't a valid type of animation for TR formats.");
continue;
}
// Guess possible maximum frame and time
var frameCount = 0;
double maximumTime = 0;
foreach (var node in anim.NodeAnimationChannels)
{
if (node.HasPositionKeys)
{
var maxNodeTime = node.PositionKeys.Max(key => key.Time);
maximumTime = maximumTime >= maxNodeTime ? maximumTime : maxNodeTime;
frameCount = frameCount >= node.PositionKeyCount ? frameCount : node.PositionKeyCount;
}
if (node.HasRotationKeys)
{
var maxNodeTime = node.RotationKeys.Max(key => key.Time);
maximumTime = maximumTime >= maxNodeTime ? maximumTime : maxNodeTime;
frameCount = frameCount >= node.RotationKeyCount ? frameCount : node.RotationKeyCount;
}
}
// Calculate time multiplier
var timeMult = (double)(frameCount - 1) / anim.DurationInTicks;
// Integrity check: maximum frame time shouldn't excess duration
if (timeMult * maximumTime >= frameCount)
{
logger.Warn("Anim " + i + " has frames outside of time limits and won't be imported.");
continue;
}
IOAnimation ioAnim = new IOAnimation(string.IsNullOrEmpty(anim.Name) ? "Imported animation " + i : anim.Name,
scene.MeshCount);
// Precreate frames and set them to identity
for (int j = 0; j < frameCount; j++)
{
ioAnim.Frames.Add(new IOFrame());
}
// Precreate rotations and set them to identity
// I am using generic foreach here instead of linq foreach because for some reason it
// returns wrong amount of angles during enumeration with Enumerable.Repeat.
foreach (var frame in ioAnim.Frames)
{
var angleList = Enumerable.Repeat(Vector3.Zero, scene.MeshCount);
frame.Angles.AddRange(angleList);
}
// Search through all nodes and put data into corresponding frames.
// It's not clear what should we do in case if multiple nodes refer to same mesh, but sometimes
// it happens, e. g. in case of fbx format. In this case, we'll just add to existing values for now.
foreach (var chan in anim.NodeAnimationChannels)
{
// Look if this channel belongs to any mesh in list.
// If so, attribute it to appropriate frame.
var chanIndex = meshNameList.IndexOf(item => chan.NodeName.Contains(item));
// Integrity check: no appropriate mesh found
if (chanIndex < 0)
{
logger.Warn("Anim " + i + " channel " + chan.NodeName + " has no corresponding mesh in meshtree and will be ignored");
continue;
}
// Apply translation only if found channel belongs to root mesh.
if (chanIndex == 0 && chan.HasPositionKeys && chan.PositionKeyCount > 0)
{
foreach (var key in chan.PositionKeys)
{
// Integrity check: frame shouldn't fall out of keyframe array bounds.
var frameIndex = (int)Math.Round(key.Time * timeMult, MidpointRounding.AwayFromZero);
if (frameIndex >= frameCount)
{
logger.Warn("Anim " + i + " channel " + chan.NodeName + " has a key outside of time limits and will be ignored.");
continue;
}
float rX = key.Value.X;
float rY = key.Value.Y;
float rZ = key.Value.Z;
if (_settings.SwapXY)
{
var temp = rX; rX = rY; rY = temp;
}
if (_settings.SwapXZ)
{
var temp = rX; rX = rZ; rZ = temp;
}
if (_settings.SwapYZ)
{
var temp = rY; rY = rZ; rZ = temp;
}
if (_settings.FlipX)
{
rX = -rX;
}
if (_settings.FlipY)
{
rY = -rY;
}
if (_settings.FlipZ)
{
rZ = -rZ;
}
ioAnim.Frames[frameIndex].Offset += new Vector3(rX, rY, rZ);
}
}
if (chan.HasRotationKeys && chan.RotationKeyCount > 0)
{
foreach (var key in chan.RotationKeys)
{
// Integrity check: frame shouldn't fall out of keyframe array bounds.
var frameIndex = (int)Math.Round(key.Time * timeMult, MidpointRounding.AwayFromZero);
if (frameIndex >= frameCount)
{
logger.Warn("Anim " + i + " channel " + chan.NodeName + " has a key outside of time limits and will be ignored.");
continue;
}
// Convert quaternions back to rotations.
// This is similar to TRViewer's conversion routine.
var quatI = System.Numerics.Quaternion.Identity;
var quat = new System.Numerics.Quaternion(key.Value.X,
key.Value.Z,
key.Value.Y,
-key.Value.W);
quatI *= quat;
var eulers = MathC.QuaternionToEuler(quatI);
var rotation = new Vector3(eulers.X * 180.0f / (float)Math.PI,
eulers.Y * 180.0f / (float)Math.PI,
eulers.Z * 180.0f / (float)Math.PI);
ioAnim.Frames[frameIndex].Angles[chanIndex] += MathC.NormalizeAngle(rotation);
}
}
}
newModel.Animations.Add(ioAnim);
}
}
}
return(newModel);
}