/// <summary>
/// Gets the import settings for the current settings.
/// </summary>
/// <returns>The import settings.</returns>
public static HairImportSettings GetImportSettings()
{
HairImportSettings importSettings = new HairImportSettings();
importSettings.scale = new TressFXLib.Numerics.Vector3(importScale.x, importScale.y, importScale.z);
return(importSettings);
}
public override HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
HairMesh[] meshes = base.Import(reader, path, hair, importSettings);
int id = 0;
foreach (HairMesh mesh in meshes)
if (mesh != null)
foreach (HairStrand strand in mesh.strands)
foreach (HairStrandVertex vertex in strand.vertices)
{
vertex.texcoord = ReadVector4(reader);
id++;
}
return meshes;
}
public HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
HairMesh[] meshes = base.Import(reader, path, hair, importSettings);
int id = 0;
foreach (HairMesh mesh in meshes)
{
if (mesh != null)
{
foreach (HairStrand strand in mesh.strands)
{
foreach (HairStrandVertex vertex in strand.vertices)
{
vertex.texcoord = ReadVector4(reader);
id++;
}
}
}
}
return(meshes);
}
public HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
reader.Close();
// Initialize the import
// Load the ase file content
// Create a List for all meshes
// Create a list for the current-mesh strands
string[] aseContent = File.ReadAllLines(path);
List <HairMesh> hairMeshes = new List <HairMesh>();
List <HairStrand> currentStrands = new List <HairStrand>();
// Init "state"-variables
int currentStrand = 0;
int currentHairId = -1;
float texcoordMultiplier = 0;
// Now the hard part begins...
for (int i = 0; i < aseContent.Length; i++)
{
string[] tokens = aseContent[i].Split('\t');
if (aseContent[i].Contains("*SHAPE_LINECOUNT"))
{
tokens = tokens[1].Split(' ');
}
else if (aseContent[i].Contains("SHAPE_LINE"))
{
tokens = tokens[1].Split(' ');
}
if (tokens.Length >= 2)
{
if (tokens[0] == "*SHAPE_LINECOUNT")
{
if (currentStrand > 0)
{
// Start parsing next mesh after flushing the current strands buffer
currentHairId++;
currentStrand = 0;
// Add to mesh list / flush current strands buffer
HairMesh hairMesh = new HairMesh();
foreach (HairStrand strand in currentStrands)
{
hairMesh.strands.Add(strand);
}
hairMeshes.Add(hairMesh);
// Clear current strands
currentStrands.Clear();
texcoordMultiplier = 1.0f / (float)int.Parse(tokens[1]);
}
}
else if (tokens[0] == "*SHAPE_LINE")
{
HairStrand strand = new HairStrand();
strand.isGuidanceStrand = true;
string[] vertexCountTokens = aseContent[i + 1].Split(' ');
// Parse the current line
int vertexCount = int.Parse(vertexCountTokens[1]);
// Parse vertices
for (int j = 0; j < vertexCount; j++)
{
string[] vertexTokens = aseContent[i + 2 + j].Replace('.', ',').Split('\t');
if (vertexTokens[2] == "*SHAPE_VERTEX_INTERP")
{
continue;
}
System.Globalization.NumberFormatInfo nf
= new System.Globalization.NumberFormatInfo()
{
NumberGroupSeparator = "."
};
vertexTokens[4] = vertexTokens[4].Replace(',', '.');
vertexTokens[5] = vertexTokens[5].Replace(',', '.');
vertexTokens[6] = vertexTokens[6].Replace(',', '.');
Vector3 position = new Vector3(float.Parse(vertexTokens[4], nf), float.Parse(vertexTokens[6], nf), float.Parse(vertexTokens[5], nf));
position = Vector3.Multiply(position, importSettings.scale);
HairStrandVertex v = new HairStrandVertex(position, Vector3.Zero, Vector4.Zero);
if (strand.vertices.Count == 0)
{
v.isMovable = false;
}
strand.vertices.Add(v);
}
currentStrands.Add(strand);
// Increment file-line-pointer
i = i + 1 + vertexCount;
currentStrand++;
}
}
}
// Get last mesh
HairMesh lastMesh = new HairMesh();
lastMesh.strands.AddRange(currentStrands);
hairMeshes.Add(lastMesh);
return(hairMeshes.ToArray());
}
public HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
reader.Close();
// Initialize the import
// Load the ase file content
// Create a List for all meshes
// Create a list for the current-mesh strands
string[] aseContent = File.ReadAllLines(path);
List<HairMesh> hairMeshes = new List<HairMesh>();
List<HairStrand> currentStrands = new List<HairStrand>();
// Init "state"-variables
int currentStrand = 0;
int currentHairId = -1;
float texcoordMultiplier = 0;
// Now the hard part begins...
for (int i = 0; i < aseContent.Length; i++)
{
string[] tokens = aseContent[i].Split('\t');
if (aseContent[i].Contains("*SHAPE_LINECOUNT"))
{
tokens = tokens[1].Split(' ');
}
else if (aseContent[i].Contains("SHAPE_LINE"))
{
tokens = tokens[1].Split(' ');
}
if (tokens.Length >= 2)
{
if (tokens[0] == "*SHAPE_LINECOUNT")
{
if (currentStrand > 0)
{
// Start parsing next mesh after flushing the current strands buffer
currentHairId++;
currentStrand = 0;
// Add to mesh list / flush current strands buffer
HairMesh hairMesh = new HairMesh();
foreach (HairStrand strand in currentStrands)
{
hairMesh.strands.Add(strand);
}
hairMeshes.Add(hairMesh);
// Clear current strands
currentStrands.Clear();
texcoordMultiplier = 1.0f / (float)int.Parse(tokens[1]);
}
}
else if (tokens[0] == "*SHAPE_LINE")
{
HairStrand strand = new HairStrand();
strand.isGuidanceStrand = true;
string[] vertexCountTokens = aseContent[i + 1].Split(' ');
// Parse the current line
int vertexCount = int.Parse(vertexCountTokens[1]);
// Parse vertices
for (int j = 0; j < vertexCount; j++)
{
string[] vertexTokens = aseContent[i + 2 + j].Replace('.', ',').Split('\t');
if (vertexTokens[2] == "*SHAPE_VERTEX_INTERP")
continue;
System.Globalization.NumberFormatInfo nf
= new System.Globalization.NumberFormatInfo()
{
NumberGroupSeparator = "."
};
vertexTokens[4] = vertexTokens[4].Replace(',', '.');
vertexTokens[5] = vertexTokens[5].Replace(',', '.');
vertexTokens[6] = vertexTokens[6].Replace(',', '.');
Vector3 position = new Vector3(float.Parse(vertexTokens[4], nf), float.Parse(vertexTokens[6], nf), float.Parse(vertexTokens[5], nf));
position = Vector3.Multiply(position, importSettings.scale);
HairStrandVertex v = new HairStrandVertex(position, Vector3.Zero, Vector4.Zero);
if (strand.vertices.Count == 0)
v.isMovable = false;
strand.vertices.Add(v);
}
currentStrands.Add(strand);
// Increment file-line-pointer
i = i + 1 + vertexCount;
currentStrand++;
}
}
}
// Get last mesh
HairMesh lastMesh = new HairMesh();
lastMesh.strands.AddRange(currentStrands);
hairMeshes.Add(lastMesh);
return hairMeshes.ToArray();
}
public HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
reader.Close();
// Initialize the importer
string[] objContent = File.ReadAllLines(path);
List<Vector3> vertices = new List<Vector3>();
List<Line> indices = new List<Line>();
List<HairStrand> currentStrands = new List<HairStrand>();
// Parse all vertices and indices
for (int i = 0; i < objContent.Length; i++)
{
// Get all parts
List<string> partsList = new List<string>(objContent[i].Split(' '));
partsList.RemoveAll(x => string.IsNullOrEmpty(x.Replace(" ", "")));
string[] parts = partsList.ToArray();
switch (parts[0])
{
case "v":
{
vertices.Add(new Vector3(SafeParse(parts[1]), SafeParse(parts[2]), SafeParse(parts[3])));
}
break;
case "l":
{
indices.Add(new Line(int.Parse(parts[1])-1, int.Parse(parts[2])-1));
}
break;
}
}
// Parse all strands
List<int> alreadyLoadedIndices = new List<int>(640000);
List<HairStrandVertex> currentStrandVertices = new List<HairStrandVertex>(64);
for (int i = 0; i < indices.Count; i++)
{
// In order to detect when a new hair starts, we detect if the first index in a line was not added to the mesh already.
// If it was NOT, we are in a new strand
if (i != 0 && !alreadyLoadedIndices.Contains(indices[i].index1))
{
// We are in a new hair strand
HairStrand hs = new HairStrand();
currentStrandVertices[0].isMovable = false;
currentStrandVertices.ForEach((sv) =>
{
hs.vertices.Add(sv);
});
hs.isGuidanceStrand = true;
currentStrands.Add(hs);
// Cleanup
currentStrandVertices.Clear();
}
// Add
if (!alreadyLoadedIndices.Contains(indices[i].index1))
{
currentStrandVertices.Add(new HairStrandVertex(vertices[indices[i].index1], Vector3.Zero, Vector4.Zero));
alreadyLoadedIndices.Add(indices[i].index1);
}
if (!alreadyLoadedIndices.Contains(indices[i].index2))
{
currentStrandVertices.Add(new HairStrandVertex(vertices[indices[i].index2], Vector3.Zero, Vector4.Zero));
alreadyLoadedIndices.Add(indices[i].index2);
}
}
HairMesh hm = new HairMesh();
currentStrands.ForEach((item) =>
{
hm.strands.Add(item);
});
return new HairMesh[] { hm };
}
public virtual HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
// TODO: Implement import settings
HairMesh[] returnData = null;
// Load header information
int numVertices = reader.ReadInt32();
int numStrands = reader.ReadInt32();
// maxVerticesPerStrand is what amd calls it
// Actually this should be vertices per strand, as tressfx needs a uniform vertex count on every strand
// We will assume that the input file is has a uniform vertex count.
// If it doesnt, the import will fail.
int maxVerticesPerStrand = reader.ReadInt32();
int numGuideHairVertices = reader.ReadInt32();
int numGuideHairStrands = reader.ReadInt32();
/*int numFollowHairsPerOneGuideHair = */reader.ReadInt32();
// Load hair data information
int[] strandTypes = ReadIntegerArray(reader, numStrands);
Vector4[] referenceVectors = ReadVector4Array(reader, numVertices);
Quaternion[] globalRotations = ReadQuaternionArray(reader, numVertices);
Quaternion[] localRotations = ReadQuaternionArray(reader, numVertices);
Vector4[] vertices = ReadVector4Array(reader, numVertices);
Vector4[] tangents = ReadVector4Array(reader, numVertices);
// Read the triangle vertices
// Actually those are __NEVER__ used anywhere.
// So, we are going to skip / ignore them
ReadVector3Array(reader, numVertices);
ReadVector3Array(reader, numVertices);
ReadVector4Array(reader, numVertices);
float[] thicknessCoefficients = ReadFloatArray(reader, numVertices);
Vector4[] followRootOffsets = ReadVector4Array(reader, numStrands);
float[] restLengths = ReadFloatArray(reader, numVertices);
// Get bounding sphere
hair.InitializeBoundingSphere(ReadVector3(reader), reader.ReadSingle());
// Load indices
int indexTmp = reader.ReadInt32();
int[] triangleIndices = ReadIntegerArray(reader, indexTmp);
indexTmp = reader.ReadInt32();
int[] lineIndices = ReadIntegerArray(reader, indexTmp);
// Init indices
hair.InitializeIndices(lineIndices, triangleIndices);
// Set simulation data
HairSimulationData simulationData = new HairSimulationData();
simulationData.followRootOffsets = followRootOffsets.ToList();
simulationData.globalRotations = globalRotations.ToList();
simulationData.guideHairStrandCount = numGuideHairStrands;
simulationData.guideHairVertexCount = numGuideHairVertices;
simulationData.maxNumVerticesPerStrand = maxVerticesPerStrand;
simulationData.localRotations = localRotations.ToList();
simulationData.referenceVectors = referenceVectors.ToList();
simulationData.strandTypes = strandTypes.ToList();
simulationData.tangents = tangents.ToList();
simulationData.thicknessCoefficients = thicknessCoefficients.ToList();
simulationData.vertices = vertices.ToList();
simulationData.restLength = restLengths.ToList();
hair.InitializeSimulationData(simulationData);
// So, the data is read now.
// Next, we are going to construct the hair meshes.
HairMesh[] hairMeshes = new HairMesh[4];
// Current list "pointer"
int vertexPointer = 0;
int strandPointer = 0;
List<HairStrand> strandReferences = new List<HairStrand>();
foreach (int meshIndex in strandTypes)
{
// Check if we got a valid strand types array
if (meshIndex < 0 || meshIndex > 3)
throw new FormatException("Mesh ids (strand types) < 0 or > 3 are not supported by TressFX!");
// Get mesh and create it if it doesnt exist
if (hairMeshes[meshIndex] == null)
hairMeshes[meshIndex] = new HairMesh();
HairMesh mesh = hairMeshes[meshIndex];
// Create new strand
HairStrand strand = new HairStrand();
strandReferences.Add(strand);
strand.followRootOffset = followRootOffsets[strandPointer];
if (strand.followRootOffset.x != 0 || strand.followRootOffset.y != 0 || strand.followRootOffset.z != 0)
{
// This is a follow hair
strand.guidanceStrand = strandReferences[(int)strand.followRootOffset.w];
strand.isGuidanceStrand = false;
}
else
{
// This is a guidance hair
strand.isGuidanceStrand = true;
}
// Read all vertices
for (int i = 0; i < maxVerticesPerStrand; i++)
{
// Read vertex data
// As texcoord we will create a coordinate which projects the hair along the x-axis based on the strand index
// and the y-axis based on the vertex index inside of the current strand
HairStrandVertex vertex = new HairStrandVertex(new Vector3(vertices[vertexPointer].X, vertices[vertexPointer].Y, vertices[vertexPointer].Z),
new Vector3(tangents[vertexPointer].X, tangents[vertexPointer].Y, tangents[vertexPointer].Z),
new Vector4(strandPointer / (float)numStrands, i / (float)maxVerticesPerStrand, 0, 0));
// Set movable flag
vertex.isMovable = (vertices[vertexPointer].W > 0);
// Set simulation data
vertex.globalRotation = globalRotations[vertexPointer];
vertex.localRotation = localRotations[vertexPointer];
vertex.referenceVector = referenceVectors[vertexPointer];
vertex.restLength = restLengths[vertexPointer];
vertex.thicknessCoefficient = thicknessCoefficients[vertexPointer];
// Add to strand
strand.vertices.Add(vertex);
vertexPointer++;
}
// Add strand to mesh
mesh.strands.Add(strand);
strandPointer++;
}
// Construct return array
List<HairMesh> meshes = new List<HairMesh>();
for (int i = 0; i < hairMeshes.Length; i++)
if (hairMeshes[i] == null)
{
// We're done reading
break;
}
else
{
// Read the mesh
meshes.Add(hairMeshes[i]);
}
returnData = hairMeshes.ToArray();
return returnData;
}
public HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
reader.Close();
// Initialize the importer
string[] objContent = File.ReadAllLines(path);
List <Vector3> vertices = new List <Vector3>();
List <Line> indices = new List <Line>();
List <HairStrand> currentStrands = new List <HairStrand>();
// Parse all vertices and indices
for (int i = 0; i < objContent.Length; i++)
{
// Get all parts
List <string> partsList = new List <string>(objContent[i].Split(' '));
partsList.RemoveAll(x => string.IsNullOrEmpty(x.Replace(" ", "")));
string[] parts = partsList.ToArray();
switch (parts[0])
{
case "v":
{
vertices.Add(Vector3.Multiply(new Vector3(SafeParse(parts[1]), SafeParse(parts[2]), SafeParse(parts[3])), importSettings.scale));
}
break;
case "l":
{
indices.Add(new Line(int.Parse(parts[1]) - 1, int.Parse(parts[2]) - 1));
}
break;
}
}
// Parse all strands
List <int> alreadyLoadedIndices = new List <int>(640000);
List <HairStrandVertex> currentStrandVertices = new List <HairStrandVertex>(64);
for (int i = 0; i < indices.Count; i++)
{
// In order to detect when a new hair starts, we detect if the first index in a line was not added to the mesh already.
// If it was NOT, we are in a new strand
if (i != 0 && !alreadyLoadedIndices.Contains(indices[i].index1))
{
// We are in a new hair strand
HairStrand hs = new HairStrand();
currentStrandVertices[0].isMovable = false;
currentStrandVertices.ForEach((sv) =>
{
hs.vertices.Add(sv);
});
hs.isGuidanceStrand = true;
currentStrands.Add(hs);
// Cleanup
currentStrandVertices.Clear();
}
// Add
if (!alreadyLoadedIndices.Contains(indices[i].index1))
{
currentStrandVertices.Add(new HairStrandVertex(vertices[indices[i].index1], Vector3.Zero, Vector4.Zero));
alreadyLoadedIndices.Add(indices[i].index1);
}
if (!alreadyLoadedIndices.Contains(indices[i].index2))
{
currentStrandVertices.Add(new HairStrandVertex(vertices[indices[i].index2], Vector3.Zero, Vector4.Zero));
alreadyLoadedIndices.Add(indices[i].index2);
}
}
// Shuffle strands
currentStrands = FormatHelper.Shuffle(currentStrands);
HairMesh hm = new HairMesh();
currentStrands.ForEach((item) =>
{
hm.strands.Add(item);
});
return(new HairMesh[] { hm });
}
public virtual HairMesh[] Import(BinaryReader reader, string path, Hair hair, HairImportSettings importSettings)
{
// TODO: Implement import settings
HairMesh[] returnData = null;
// Load header information
int numVertices = reader.ReadInt32();
int numStrands = reader.ReadInt32();
// maxVerticesPerStrand is what amd calls it
// Actually this should be vertices per strand, as tressfx needs a uniform vertex count on every strand
// We will assume that the input file is has a uniform vertex count.
// If it doesnt, the import will fail.
int maxVerticesPerStrand = reader.ReadInt32();
int numGuideHairVertices = reader.ReadInt32();
int numGuideHairStrands = reader.ReadInt32();
/*int numFollowHairsPerOneGuideHair = */ reader.ReadInt32();
// Load hair data information
int[] strandTypes = ReadIntegerArray(reader, numStrands);
Vector4[] referenceVectors = ReadVector4Array(reader, numVertices);
Quaternion[] globalRotations = ReadQuaternionArray(reader, numVertices);
Quaternion[] localRotations = ReadQuaternionArray(reader, numVertices);
Vector4[] vertices = ReadVector4Array(reader, numVertices);
Vector4[] tangents = ReadVector4Array(reader, numVertices);
// Read the triangle vertices
// Actually those are __NEVER__ used anywhere.
// So, we are going to skip / ignore them
ReadVector3Array(reader, numVertices);
ReadVector3Array(reader, numVertices);
ReadVector4Array(reader, numVertices);
float[] thicknessCoefficients = ReadFloatArray(reader, numVertices);
Vector4[] followRootOffsets = ReadVector4Array(reader, numStrands);
float[] restLengths = ReadFloatArray(reader, numVertices);
// Get bounding sphere
hair.InitializeBoundingSphere(ReadVector3(reader), reader.ReadSingle());
// Load indices
int indexTmp = reader.ReadInt32();
int[] triangleIndices = ReadIntegerArray(reader, indexTmp);
indexTmp = reader.ReadInt32();
int[] lineIndices = ReadIntegerArray(reader, indexTmp);
// Init indices
hair.InitializeIndices(lineIndices, triangleIndices);
// Set simulation data
HairSimulationData simulationData = new HairSimulationData();
simulationData.followRootOffsets = followRootOffsets.ToList();
simulationData.globalRotations = globalRotations.ToList();
simulationData.guideHairStrandCount = numGuideHairStrands;
simulationData.guideHairVertexCount = numGuideHairVertices;
simulationData.maxNumVerticesPerStrand = maxVerticesPerStrand;
simulationData.localRotations = localRotations.ToList();
simulationData.referenceVectors = referenceVectors.ToList();
simulationData.strandTypes = strandTypes.ToList();
simulationData.tangents = tangents.ToList();
simulationData.thicknessCoefficients = thicknessCoefficients.ToList();
simulationData.vertices = vertices.ToList();
simulationData.restLength = restLengths.ToList();
hair.InitializeSimulationData(simulationData);
// So, the data is read now.
// Next, we are going to construct the hair meshes.
HairMesh[] hairMeshes = new HairMesh[4];
// Current list "pointer"
int vertexPointer = 0;
int strandPointer = 0;
List <HairStrand> strandReferences = new List <HairStrand>();
foreach (int meshIndex in strandTypes)
{
// Check if we got a valid strand types array
if (meshIndex < 0 || meshIndex > 3)
{
throw new FormatException("Mesh ids (strand types) < 0 or > 3 are not supported by TressFX!");
}
// Get mesh and create it if it doesnt exist
if (hairMeshes[meshIndex] == null)
{
hairMeshes[meshIndex] = new HairMesh();
}
HairMesh mesh = hairMeshes[meshIndex];
// Create new strand
HairStrand strand = new HairStrand();
strandReferences.Add(strand);
strand.followRootOffset = followRootOffsets[strandPointer];
if (strand.followRootOffset.x != 0 || strand.followRootOffset.y != 0 || strand.followRootOffset.z != 0)
{
// This is a follow hair
strand.guidanceStrand = strandReferences[(int)strand.followRootOffset.w];
strand.isGuidanceStrand = false;
}
else
{
// This is a guidance hair
strand.isGuidanceStrand = true;
}
// Read all vertices
for (int i = 0; i < maxVerticesPerStrand; i++)
{
// Read vertex data
// As texcoord we will create a coordinate which projects the hair along the x-axis based on the strand index
// and the y-axis based on the vertex index inside of the current strand
HairStrandVertex vertex = new HairStrandVertex(new Vector3(vertices[vertexPointer].X, vertices[vertexPointer].Y, vertices[vertexPointer].Z),
new Vector3(tangents[vertexPointer].X, tangents[vertexPointer].Y, tangents[vertexPointer].Z),
new Vector4(strandPointer / (float)numStrands, i / (float)maxVerticesPerStrand, 0, 0));
// Set movable flag
vertex.isMovable = (vertices[vertexPointer].W > 0);
// Set simulation data
vertex.globalRotation = globalRotations[vertexPointer];
vertex.localRotation = localRotations[vertexPointer];
vertex.referenceVector = referenceVectors[vertexPointer];
vertex.restLength = restLengths[vertexPointer];
vertex.thicknessCoefficient = thicknessCoefficients[vertexPointer];
// Add to strand
strand.vertices.Add(vertex);
vertexPointer++;
}
// Add strand to mesh
mesh.strands.Add(strand);
strandPointer++;
}
// Construct return array
List <HairMesh> meshes = new List <HairMesh>();
for (int i = 0; i < hairMeshes.Length; i++)
{
if (hairMeshes[i] == null)
{
// We're done reading
break;
}
else
{
// Read the mesh
meshes.Add(hairMeshes[i]);
}
}
returnData = hairMeshes.ToArray();
return(returnData);
}
