public ModelComponent(string name,List<Vector3D> vertices, int[] indices, List<Vector3D> uv, List<Vector3D> normals, List<Vector3D> tangents, List<Vector3D> bitangents, Material material)
{
Vertices = new Vector3[vertices.Count];
for(int i = 0; i < vertices.Count; i++)
{
Vertices[i].X = vertices[i].X;
Vertices[i].Y = vertices[i].Y;
Vertices[i].Z = vertices[i].Z;
}
UV = new Vector2[uv.Count];
for(int i = 0; i < uv.Count; i++)
{
UV[i].X = uv[i].X;
UV[i].Y = uv[i].Y;
}
Normals = new Vector3[normals.Count];
for (int i = 0; i < normals.Count; i++)
{
Normals[i].X = normals[i].X;
Normals[i].Y = normals[i].Y;
Normals[i].Z = normals[i].Z;
}
Tangents = new Vector3[tangents.Count];
for (int i = 0; i < tangents.Count; i++)
{
Tangents[i].X = tangents[i].X;
Tangents[i].Y = tangents[i].Y;
Tangents[i].Z = tangents[i].Z;
}
BiTangents = new Vector3[bitangents.Count];
for (int i = 0; i < bitangents.Count; i++)
{
BiTangents[i].X = bitangents[i].X;
BiTangents[i].Y = bitangents[i].Y;
BiTangents[i].Z = bitangents[i].Z;
}
Diffuse = new Vector4()
{
X = material.ColorDiffuse.R,
Y = material.ColorDiffuse.G,
Z = material.ColorDiffuse.B,
W = material.ColorDiffuse.A
};
Emissive = new Vector4()
{
X = material.ColorEmissive.R,
Y = material.ColorEmissive.G,
Z = material.ColorEmissive.B,
W = material.ColorEmissive.A
};
Specular = new Vector4()
{
X = material.ColorSpecular.R,
Y = material.ColorSpecular.G,
Z = material.ColorSpecular.B,
W = material.ColorSpecular.A
};
Indices = indices;
TexturePath = material.TextureDiffuse.FilePath;
}
private void LoadTexturesFromScene(Assimp.Scene scene, string model_directory)
{
foreach (Assimp.Mesh mesh in scene.Meshes)
{
Assimp.Material mat = scene.Materials[mesh.MaterialIndex];
if (mat.HasTextureDiffuse)
{
BinaryTextureImage img = new BinaryTextureImage();
img.Load(mat.TextureDiffuse, model_directory);
Textures.Add(img);
}
}
}
public static RealtimeMaterial ToRealtimeMaterial(this Assimp.Material material)
{
return(new RealtimeMaterial(
material.ColorAmbient.ToVector4(),
material.ColorDiffuse.ToVector4(),
material.ColorSpecular.ToVector4(),
material.ColorEmissive.ToVector4(),
material.ColorTransparent.ToVector4(),
new Vector4(material.Shininess, material.ShininessStrength, material.Opacity, material.Reflectivity),
material.TextureDiffuse.FilePath,
material.TextureNormal.FilePath,
material.TextureHeight.FilePath,
material.TextureSpecular.FilePath));
}
public override void ApplyMaterial(Mesh mesh, Material mat, bool textured, bool shaded)
{
ShaderGen.GenFlags flags = 0;
if (textured)
{
flags |= ShaderGen.GenFlags.ColorMap;
}
if (shaded)
{
flags |= ShaderGen.GenFlags.Lighting;
}
Shader shader = _shaderGen.GenerateOrGetFromCache(flags);
shader.BindIfNecessary();
}
private static Ai.Material CreateAiMaterialFromMaterial(Material material, TextureSet textureSet)
{
var aiMaterial = new Ai.Material();
aiMaterial.Name = material.Name;
aiMaterial.ColorDiffuse = material.Diffuse.ToAssimp();
aiMaterial.ColorAmbient = material.Ambient.ToAssimp();
aiMaterial.ColorSpecular = material.Ambient.ToAssimp();
aiMaterial.ColorEmissive = material.Emission.ToAssimp();
aiMaterial.Shininess = material.Shininess;
aiMaterial.IsTwoSided = material.DoubleSided;
var exportedTypes = new HashSet <MaterialTextureType>();
foreach (var materialTexture in material.MaterialTextures)
{
if (!sTextureTypeMap.TryGetValue(materialTexture.Type, out var type) ||
exportedTypes.Contains(materialTexture.Type))
{
continue;
}
exportedTypes.Add(materialTexture.Type);
var texture = textureSet?.Textures?.FirstOrDefault(x => x.Id == materialTexture.TextureId);
if (texture == null)
{
continue;
}
var aiTextureSlot = new Ai.TextureSlot();
if (TextureFormatUtilities.IsBlockCompressed(texture.Format) && !texture.IsYCbCr)
{
aiTextureSlot.FilePath = texture.Name + ".dds";
}
else
{
aiTextureSlot.FilePath = texture.Name + ".png";
}
aiTextureSlot.TextureType = type;
aiMaterial.AddMaterialTexture(in aiTextureSlot);
}
return(aiMaterial);
}
/// <summary>
/// Check if a given assimp material requires alpha-blending for rendering
/// </summary>
/// <param name="material"></param>
/// <returns></returns>
public bool IsAlphaMaterial(Material material)
{
if (material.HasOpacity && IsTransparent(material.Opacity))
{
return true;
}
// Also treat material as (potentially) semi-transparent if the alpha
// components of any of the diffuse, specular, ambient and emissive
// colors are non-1. It is not very well-defined how assimp handles
// these values so better count them into transparency as well.
//
// Ignore color values with alpha=0, however. These are most likely
// not intended to be fully transparent.
if (material.HasColorDiffuse && IsTransparent(material.ColorDiffuse.A))
{
return true;
}
if (material.HasColorSpecular && IsTransparent(material.ColorSpecular.A))
{
return true;
}
if (material.HasColorAmbient && IsTransparent(material.ColorAmbient.A))
{
return true;
}
if (material.HasColorEmissive && IsTransparent(material.ColorEmissive.A))
{
return true;
}
if (material.GetMaterialTextureCount(TextureType.Diffuse) > 0)
{
TextureSlot tex;
material.GetMaterialTexture(TextureType.Diffuse, 0, out tex);
var gtex = _scene.TextureSet.GetOriginalOrReplacement(tex.FilePath);
if(gtex.HasAlpha == Texture.AlphaState.HasAlpha)
{
return true;
}
}
return false;
}
private PhysicallyBasedMaterial CreatePbrMaterial(AssimpMaterial assimpMaterial, string filePath, string customTexturesFolder, bool useStrictFileNameMatch, bool supportDDSTextures)
{
PhysicallyBasedMaterial physicallyBasedMaterial;
if (_dxMaterials.TryGetValue(assimpMaterial, out physicallyBasedMaterial)) // Is PhysicallyBasedMaterial already creared
{
Log($" Material: {assimpMaterial.Name ?? ""} (already defined)");
return(physicallyBasedMaterial);
}
//if (!assimpMaterial.HasTextureDiffuse)
//{
// Log($" Material {assimpMaterial.Name ?? ""} does not define a diffuse texture");
// return null;
//}
Log($" Material {assimpMaterial.Name ?? ""}:");
physicallyBasedMaterial = new PhysicallyBasedMaterial();
// When materials has diffuse texture defined, then we also try to find other PBR textures
if (assimpMaterial.HasTextureDiffuse)
{
AddPBRTextures(assimpMaterial, filePath, customTexturesFolder, useStrictFileNameMatch, supportDDSTextures, physicallyBasedMaterial);
}
// Set BaseColor based on the DiffuseColor
if (assimpMaterial.HasColorDiffuse)
{
physicallyBasedMaterial.BaseColor = new Color4(assimpMaterial.ColorDiffuse.R, assimpMaterial.ColorDiffuse.G, assimpMaterial.ColorDiffuse.B, assimpMaterial.ColorDiffuse.A);
}
// When there is no Metalness texture defined, then set Metalness to zero - use plastic
if (!physicallyBasedMaterial.HasTextureMap(TextureMapTypes.Metalness))
{
physicallyBasedMaterial.Metalness = 0;
}
_disposables.Add(physicallyBasedMaterial);
_dxMaterials.Add(assimpMaterial, physicallyBasedMaterial);
AddTextureMapSelections(assimpMaterial.Name, physicallyBasedMaterial);
return(physicallyBasedMaterial);
}
public int Initialize(string rootPath, string modelName, int viewStep, Assimp.Material meterial)
{
Name = modelName + "." + meterial.Name;
ViewStep = viewStep;
Color.Opacity = meterial.Opacity;
Color.Shininess = meterial.Shininess;
for (int i = 0; i < 4; i++)
{
Color.Ambient[i] = meterial.ColorAmbient[i];
Color.Diffuse[i] = meterial.ColorDiffuse[i];
Color.Emissive[i] = meterial.ColorEmissive[i];
Color.Reflective[i] = meterial.ColorReflective[i];
Color.Specular[i] = meterial.ColorSpecular[i];
Color.Transparent[i] = meterial.ColorTransparent[i];
}
SetTexture(rootPath, meterial);
return(viewStep + 5 * Engine.Instance.Core.Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView));
}
private Ai.Material ConvertMaterial(Material material)
{
var aiMaterial = new Ai.Material
{
Name = AssimpConverterCommon.EscapeName(material.Name),
ColorAmbient = new Ai.Color4D(material.Ambient.X, material.Ambient.Y, material.Ambient.Z, material.Ambient.W),
ColorDiffuse = new Ai.Color4D(material.Diffuse.X, material.Diffuse.Y, material.Diffuse.Z, material.Diffuse.W),
ColorSpecular = new Ai.Color4D(material.Specular.X, material.Specular.Y, material.Specular.Z, material.Specular.W),
ColorEmissive = new Ai.Color4D(material.Emissive.X, material.Emissive.Y, material.Emissive.Z, material.Emissive.W)
};
if (material.Flags.HasFlag(MaterialFlags.HasDiffuseMap))
{
aiMaterial.TextureDiffuse = new Ai.TextureSlot(
Path.Combine(mTextureBaseRelativeDirectoryPath, AssimpConverterCommon.EscapeName(material.DiffuseMap.Name)),
Ai.TextureType.Diffuse, 0, Ai.TextureMapping.FromUV, 0, 0, Ai.TextureOperation.Add, Ai.TextureWrapMode.Wrap, Ai.TextureWrapMode.Wrap, 0);
}
if (material.Flags.HasFlag(MaterialFlags.HasNormalMap))
{
aiMaterial.TextureNormal = new Ai.TextureSlot(
Path.Combine(mTextureBaseRelativeDirectoryPath, AssimpConverterCommon.EscapeName(material.NormalMap.Name)),
Ai.TextureType.Normals, 1, Ai.TextureMapping.FromUV, 0, 0, Ai.TextureOperation.Add, Ai.TextureWrapMode.Wrap, Ai.TextureWrapMode.Wrap, 0);
}
if (material.Flags.HasFlag(MaterialFlags.HasSpecularMap))
{
aiMaterial.TextureSpecular = new Ai.TextureSlot(
Path.Combine(mTextureBaseRelativeDirectoryPath, AssimpConverterCommon.EscapeName(material.SpecularMap.Name)),
Ai.TextureType.Specular, 2, Ai.TextureMapping.FromUV, 0, 0, Ai.TextureOperation.Add, Ai.TextureWrapMode.Wrap, Ai.TextureWrapMode.Wrap, 0);
}
if (material.Flags.HasFlag(MaterialFlags.HasReflectionMap))
{
aiMaterial.TextureReflection = new Ai.TextureSlot(
Path.Combine(mTextureBaseRelativeDirectoryPath, AssimpConverterCommon.EscapeName(material.ReflectionMap.Name)),
Ai.TextureType.Reflection, 3, Ai.TextureMapping.FromUV, 0, 0, Ai.TextureOperation.Add, Ai.TextureWrapMode.Wrap, Ai.TextureWrapMode.Wrap, 0);
}
// todo: add more textures
return(aiMaterial);
}
/// <summary>
/// Constructs a MaterialPreviewRenderer to obtain a preview image
/// for one given material.
/// </summary>
/// <param name="window">Window instance that hosts the primary Gl context</param>
/// <param name="scene">Scene instance that the material belongs to</param>
/// <param name="material">Material to render a preview image for</param>
/// <param name="width">Requested width of the preview image, in pixels</param>
/// <param name="height">Requested height of the preview image, in pixels</param>
public MaterialPreviewRenderer(MainWindow window, Scene scene, Material material, uint width, uint height)
{
Debug.Assert(window != null);
Debug.Assert(material != null);
Debug.Assert(scene != null);
Debug.Assert(width >= 1);
Debug.Assert(height >= 1);
_scene = scene;
_material = material;
_width = width;
_height = height;
_state = CompletionState.Pending;
window.Renderer.GlExtraDrawJob += (sender) =>
{
_state = !RenderPreview() ? CompletionState.Failed : CompletionState.Done;
OnPreviewAvailable();
};
}
void WriteMaterial (Material mat, BinaryWriter writer, Dictionary<string,string> textures, int boneCount, int boneSlotCount) {
writer.Write(mat.Name);
writer.Write(mat.IsTwoSided);
writer.Write(mat.IsWireFrameEnabled);
writer.Write((int)mat.ShadingMode);
writer.Write((int)mat.BlendMode);
writer.Write(mat.Opacity);
writer.Write(mat.Shininess);
writer.Write(mat.ShininessStrength);
writer.Write(mat.ColorAmbient);
writer.Write(mat.ColorDiffuse);
writer.Write(mat.ColorSpecular);
writer.Write(mat.ColorEmissive);
writer.Write(mat.ColorTransparent);
writer.Write(boneCount);
writer.Write(boneSlotCount);
this.WriteTextureStack(mat, TextureType.Diffuse, writer, textures);
this.WriteTextureStack(mat, TextureType.Normals, writer, textures);
this.WriteTextureStack(mat, TextureType.Specular, writer, textures);
this.WriteTextureStack(mat, TextureType.Emissive, writer, textures);
}
private Material ConvertMaterial(Assimp.Material m)
{
return(new Material
{
ColorAmbient = m.HasColorAmbient ? (Color?)ConvertMaterialColor(m.ColorAmbient) : null,
ColorDiffuse = m.HasColorDiffuse ? (Color?)ConvertMaterialColor(m.ColorDiffuse) : null,
ColorSpecular = m.HasColorSpecular ? (Color?)ConvertMaterialColor(m.ColorSpecular) : null,
ColorEmissive = m.HasColorEmissive ? (Color?)ConvertMaterialColor(m.ColorEmissive) : null,
ColorTransparent = m.HasColorTransparent ? (Color?)ConvertMaterialColor(m.ColorTransparent) : null,
ColorReflective = m.HasColorReflective ? (Color?)ConvertMaterialColor(m.ColorReflective) : null,
TextureEmissive = m.HasTextureDiffuse ? ConvertMaterialTexture(m.TextureEmissive) : null,
TextureAmbient = m.HasTextureAmbient ? ConvertMaterialTexture(m.TextureAmbient) : null,
TextureDisplacement = m.HasTextureDisplacement ? ConvertMaterialTexture(m.TextureDisplacement) : null,
TextureSpecular = m.HasTextureSpecular ? ConvertMaterialTexture(m.TextureSpecular) : null,
TextureDiffuse = m.HasTextureDiffuse ? ConvertMaterialTexture(m.TextureDiffuse) : null,
TextureHeight = m.HasTextureHeight ? ConvertMaterialTexture(m.TextureHeight) : null,
TextureLightMap = m.HasTextureLightMap ? ConvertMaterialTexture(m.TextureLightMap) : null,
TextureNormal = m.HasTextureNormal ? ConvertMaterialTexture(m.TextureNormal) : null,
TextureOpacity = m.HasTextureOpacity ? ConvertMaterialTexture(m.TextureOpacity) : null,
TextureReflection = m.HasTextureReflection ? ConvertMaterialTexture(m.TextureReflection) : null,
PowerSpecular = m.HasShininess ? (float?)(m.Shininess / 255f) : null,
});
}
public static Model <T, RealtimeMaterial> LoadFromFileWithRealtimeMaterial <T>(string baseDirectory, string localPath, VertexRuntimeTypes vertexType, PostProcessSteps flags = DefaultPostProcessSteps) where T : struct, VertexLocateable
{
if (!Verifier.VerifyVertexStruct <T>(vertexType))
{
throw new ArgumentException($"Vertex Type Mismatch AssimpLoader");
}
string filePath = Path.Combine(baseDirectory, localPath);
string[] directoryStructure = localPath.Split('/');
string modelDir = directoryStructure[0];
AssimpContext assimpContext = new AssimpContext();
Assimp.Scene pScene = assimpContext.ImportFile(filePath, flags);
int meshCount = pScene.MeshCount;
Mesh <T>[] meshes = new Mesh <T> [meshCount];
RealtimeMaterial[] materials = new RealtimeMaterial[meshCount];
ushort[][] meshIndicies = new ushort[meshCount][];
for (int i = 0; i < meshCount; i++)
{
var aiMesh = pScene.Meshes[i];
var vertexCount = aiMesh.VertexCount;
if (vertexCount == 0)
{
continue;
}
Assimp.Material aiMaterial = pScene.Materials[aiMesh.MaterialIndex];
var material = aiMaterial.ToRealtimeMaterial();
T[] meshDefinition = new T[vertexCount];
for (int j = 0; j < vertexCount; j++)
{
byte[] bytes = GenerateVertexBytesArrayFromAssimp(vertexType, aiMesh, j);
meshDefinition[j] = ByteMarshal.ByteArrayToStructure <T>(bytes);
}
materials[i] = material;
var faceCount = aiMesh.FaceCount;
meshIndicies[i] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndicies[i][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndicies[i][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndicies[i][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshes[i] = new Mesh <T>(meshDefinition, meshIndicies[i]);
}
return(new Model <T, RealtimeMaterial>(modelDir, meshes, materials));
}
private static Material ConvertMaterialFromAiMaterial(Ai.Material aiMaterial, string texturesDirectory,
TextureSet textureSet)
{
Material material = new Material();
material.Shader = "BLINN";
material.Field02 = 2688;
material.Name = aiMaterial.Name;
material.Field25 = 1;
if (aiMaterial.HasColorDiffuse)
{
material.DiffuseColor = aiMaterial.ColorDiffuse.ToMML();
}
else
{
material.DiffuseColor = new Color(1, 1, 1, 1);
}
if (aiMaterial.HasColorAmbient)
{
material.AmbientColor = aiMaterial.ColorAmbient.ToMML();
}
else
{
material.AmbientColor = new Color(1, 1, 1, 1);
}
if (aiMaterial.HasColorSpecular)
{
material.SpecularColor = aiMaterial.ColorSpecular.ToMML();
}
else
{
material.SpecularColor = new Color(0.5f, 0.5f, 0.5f, 1);
}
if (aiMaterial.HasColorEmissive)
{
material.EmissionColor = aiMaterial.ColorEmissive.ToMML();
}
else
{
material.EmissionColor = new Color(0, 0, 0, 1);
}
if (aiMaterial.HasShininess && aiMaterial.ShadingMode == Ai.ShadingMode.Phong)
{
material.Shininess = aiMaterial.Shininess;
}
else
{
material.Shininess = 50f;
}
Texture texture;
if (aiMaterial.HasTextureDiffuse &&
(texture = ConvertTexture(aiMaterial.TextureDiffuse.FilePath, texturesDirectory, textureSet)) !=
null)
{
material.Field00 |= 1;
material.Diffuse.TextureId = texture.Id;
material.Diffuse.Field02 = 241;
}
if (aiMaterial.HasTextureAmbient &&
(texture = ConvertTexture(aiMaterial.TextureAmbient.FilePath, texturesDirectory, textureSet)) !=
null)
{
material.Ambient.TextureId = texture.Id;
material.Ambient.Field02 = 241;
}
if (aiMaterial.HasTextureNormal &&
(texture = ConvertTexture(aiMaterial.TextureNormal.FilePath, texturesDirectory, textureSet)) !=
null)
{
material.Field00 |= 256;
material.Normal.TextureId = texture.Id;
material.Normal.Field02 = 242;
}
if (aiMaterial.HasTextureSpecular &&
(texture = ConvertTexture(aiMaterial.TextureSpecular.FilePath, texturesDirectory, textureSet)) !=
null)
{
material.Field00 |= 128;
material.Specular.TextureId = texture.Id;
material.Specular.Field02 = 243;
}
if (aiMaterial.HasTextureReflection &&
(texture = ConvertTexture(aiMaterial.TextureReflection.FilePath, texturesDirectory, textureSet)) !=
null)
{
material.Field00 |= 33832;
material.Reflection.TextureId = texture.Id;
material.Reflection.Field02 = 1017;
}
if (aiMaterial.GetMaterialTexture(Ai.TextureType.Shininess, 0, out Ai.TextureSlot shininess) &&
(texture = ConvertTexture(shininess.FilePath, texturesDirectory, textureSet)) != null)
{
material.Field00 |= 8192;
material.Tangent.TextureId = texture.Id;
material.Tangent.Field02 = 246;
}
foreach (var materialTexture in material.MaterialTextures)
{
if (materialTexture == material.Diffuse)
{
materialTexture.Field00 = materialTexture.IsActive ? 82288 : 48;
}
materialTexture.Field05 = 1;
if (materialTexture.IsActive)
{
materialTexture.Field01 = 0x2418C3;
materialTexture.Field06 = 1;
materialTexture.Field11 = 1;
materialTexture.Field16 = 1;
materialTexture.Field21 = 1;
}
}
return(material);
}
private static MaterialTexture CreateMaterialTextureFromAiTextureSlot(Ai.TextureSlot aiTextureSlot,
Ai.Material aiMaterial, Material material, TextureSet textureSet, string texturesDirectoryPath)
{
MaterialTextureType type;
MaterialFlags flags;
// skyth y u no use dictionary
switch (aiTextureSlot.TextureType)
{
case Ai.TextureType.Diffuse:
case Ai.TextureType.Ambient:
type = MaterialTextureType.Color;
flags = MaterialFlags.Color;
break;
case Ai.TextureType.Specular:
type = MaterialTextureType.Specular;
flags = MaterialFlags.Specular;
break;
case Ai.TextureType.Normals:
type = MaterialTextureType.Normal;
flags = MaterialFlags.Normal;
break;
case Ai.TextureType.Opacity:
type = MaterialTextureType.Transparency;
flags = MaterialFlags.Transparency;
break;
case Ai.TextureType.Reflection:
type = MaterialTextureType.Reflection;
flags = MaterialFlags.Environment;
break;
default:
return(null);
}
int materialTextureIndex = -1;
for (int i = 0; i < material.MaterialTextures.Length; i++)
{
if (material.MaterialTextures[i].Type != MaterialTextureType.None)
{
continue;
}
materialTextureIndex = i;
break;
}
if (materialTextureIndex == -1)
{
return(null);
}
var texture = CreateTextureFromFilePath(aiTextureSlot.FilePath,
type == MaterialTextureType.Normal ? TextureFormat.ATI2 : TextureFormat.Unknown, texturesDirectoryPath, textureSet);
if (texture == null)
{
return(null);
}
var materialTexture = new MaterialTexture();
materialTexture.RepeatU = aiTextureSlot.WrapModeU == Ai.TextureWrapMode.Wrap;
materialTexture.RepeatV = aiTextureSlot.WrapModeV == Ai.TextureWrapMode.Wrap;
materialTexture.MirrorU = aiTextureSlot.WrapModeU == Ai.TextureWrapMode.Mirror;
materialTexture.MirrorV = aiTextureSlot.WrapModeV == Ai.TextureWrapMode.Mirror;
materialTexture.ClampToEdge = aiTextureSlot.WrapModeU == Ai.TextureWrapMode.Clamp &&
aiTextureSlot.WrapModeV == Ai.TextureWrapMode.Clamp;
if (texture.ArraySize == 6 || aiTextureSlot.Mapping == Ai.TextureMapping.Box)
{
materialTexture.TextureCoordinateTranslationType = MaterialTextureCoordinateTranslationType.Cube;
if (type == MaterialTextureType.Reflection)
{
type = MaterialTextureType.EnvironmentCube;
}
}
else if (aiTextureSlot.Mapping == Ai.TextureMapping.Sphere)
{
materialTexture.TextureCoordinateTranslationType = MaterialTextureCoordinateTranslationType.Sphere;
if (type == MaterialTextureType.Reflection)
{
type = MaterialTextureType.EnvironmentSphere;
}
}
materialTexture.Blend = type == MaterialTextureType.Specular ? 1u : 7;
materialTexture.Filter = 2;
materialTexture.MipMap = 2;
materialTexture.Type = type;
materialTexture.TextureId = texture.Id;
material.Flags |= flags;
material.MaterialTextures[materialTextureIndex] = materialTexture;
return(materialTexture);
}
private static Mesh ConvertAssimpMeshToGeometry(Ai.Mesh aiMesh, Ai.Material material, Dictionary <string, NodeInfo> nodeLookup, ref int nextBoneIndex, Dictionary <int, List <int> > nodeToBoneIndices, List <Matrix4x4> boneInverseBindMatrices, ref Matrix4x4 nodeWorldTransform, ref Matrix4x4 nodeInverseWorldTransform, List <Vector3> transformedVertices, ModelConverterOptions options)
{
if (!aiMesh.HasVertices)
{
throw new Exception("Assimp mesh has no vertices");
}
var geometry = new Mesh();
var geometryTransformedVertices = new Vector3[aiMesh.VertexCount];
geometry.Vertices = aiMesh.Vertices
.Select(x => new Vector3(x.X, x.Y, x.Z))
.ToArray();
for (int i = 0; i < geometry.Vertices.Length; i++)
{
geometryTransformedVertices[i] = Vector3.Transform(geometry.Vertices[i], nodeWorldTransform);
}
transformedVertices.AddRange(geometryTransformedVertices);
if (aiMesh.HasNormals)
{
geometry.Normals = aiMesh.Normals
.Select(x => new Vector3(x.X, x.Y, x.Z))
.ToArray();
}
if (aiMesh.HasTextureCoords(0))
{
geometry.TexCoordsChannel0 = aiMesh.TextureCoordinateChannels[0]
.Select(x => new Vector2(x.X, x.Y))
.ToArray();
}
if (aiMesh.HasTextureCoords(1))
{
geometry.TexCoordsChannel1 = aiMesh.TextureCoordinateChannels[1]
.Select(x => new Vector2(x.X, x.Y))
.ToArray();
}
if (aiMesh.HasTextureCoords(2))
{
geometry.TexCoordsChannel2 = aiMesh.TextureCoordinateChannels[2]
.Select(x => new Vector2(x.X, x.Y))
.ToArray();
}
if (aiMesh.HasVertexColors(0))
{
geometry.ColorChannel0 = aiMesh.VertexColorChannels[0]
.Select(x => ( uint )(( byte )(x.B * 255f) | ( byte )(x.G * 255f) << 8 | ( byte )(x.R * 255f) << 16 | ( byte )(x.A * 255f) << 24))
.ToArray();
}
else if (options.GenerateVertexColors)
{
geometry.ColorChannel0 = new uint[geometry.VertexCount];
for (int i = 0; i < geometry.ColorChannel0.Length; i++)
{
geometry.ColorChannel0[i] = 0xFFFFFFFF;
}
}
if (aiMesh.HasVertexColors(1))
{
geometry.ColorChannel1 = aiMesh.VertexColorChannels[1]
.Select(x => ( uint )(( byte )(x.B * 255f) | ( byte )(x.G * 255f) << 8 | ( byte )(x.R * 255f) << 16 | ( byte )(x.A * 255f) << 24))
.ToArray();
}
if (aiMesh.HasFaces)
{
geometry.TriangleIndexFormat = aiMesh.VertexCount <= ushort.MaxValue ? TriangleIndexFormat.UInt16 : TriangleIndexFormat.UInt32;
geometry.Triangles = aiMesh.Faces
.Select(x => new Triangle(( uint )x.Indices[0], ( uint )x.Indices[1], ( uint )x.Indices[2]))
.ToArray();
}
if (aiMesh.HasBones)
{
geometry.VertexWeights = new VertexWeight[geometry.VertexCount];
for (int i = 0; i < geometry.VertexWeights.Length; i++)
{
geometry.VertexWeights[i].Indices = new byte[4];
geometry.VertexWeights[i].Weights = new float[4];
}
var vertexWeightCounts = new int[geometry.VertexCount];
for (var i = 0; i < aiMesh.Bones.Count; i++)
{
var aiMeshBone = aiMesh.Bones[i];
// Find node index for the bone
var boneLookupData = nodeLookup[AssimpConverterCommon.UnescapeName(aiMeshBone.Name)];
int nodeIndex = boneLookupData.Index;
// Calculate inverse bind matrix
var boneNode = boneLookupData.Node;
var bindMatrix = boneNode.WorldTransform * nodeInverseWorldTransform;
if (options.ConvertSkinToZUp)
{
bindMatrix *= YToZUpMatrix;
}
Matrix4x4.Invert(bindMatrix, out var inverseBindMatrix);
// Get bone index
int boneIndex;
if (!nodeToBoneIndices.TryGetValue(nodeIndex, out var boneIndices))
{
// No entry for the node was found, so we add a new one
boneIndex = nextBoneIndex++;
nodeToBoneIndices.Add(nodeIndex, new List <int>()
{
boneIndex
});
boneInverseBindMatrices.Add(inverseBindMatrix);
}
else
{
// Entry for the node was found
// Try to find the bone index based on whether the inverse bind matrix matches
boneIndex = -1;
foreach (int index in boneIndices)
{
if (boneInverseBindMatrices[index].Equals(inverseBindMatrix))
{
boneIndex = index;
}
}
if (boneIndex == -1)
{
// None matching inverse bind matrix was found, so we add a new entry
boneIndex = nextBoneIndex++;
nodeToBoneIndices[nodeIndex].Add(boneIndex);
boneInverseBindMatrices.Add(inverseBindMatrix);
}
}
foreach (var aiVertexWeight in aiMeshBone.VertexWeights)
{
int vertexWeightCount = vertexWeightCounts[aiVertexWeight.VertexID]++;
geometry.VertexWeights[aiVertexWeight.VertexID].Indices[vertexWeightCount] = ( byte )boneIndex;
geometry.VertexWeights[aiVertexWeight.VertexID].Weights[vertexWeightCount] = aiVertexWeight.Weight;
}
}
}
geometry.MaterialName = AssimpConverterCommon.UnescapeName(material.Name);
geometry.BoundingBox = BoundingBox.Calculate(geometry.Vertices);
geometry.BoundingSphere = BoundingSphere.Calculate(geometry.BoundingBox.Value, geometry.Vertices);
geometry.Flags |= GeometryFlags.Flag80000000;
return(geometry);
}
private void AddPBRTextures(AssimpMaterial assimpMaterial, string filePath, string customTexturesFolder, bool useStrictFileNameMatch, bool supportDDSTextures, PhysicallyBasedMaterial physicallyBasedMaterial)
{
//PhysicallyBasedMaterial physicallyBasedMaterial;
string diffuseTextureFileName = assimpMaterial.TextureDiffuse.FilePath;
if (!string.IsNullOrEmpty(customTexturesFolder))
{
diffuseTextureFileName = System.IO.Path.Combine(customTexturesFolder, System.IO.Path.GetFileName(diffuseTextureFileName));
}
else if (!System.IO.Path.IsPathRooted(diffuseTextureFileName))
{
diffuseTextureFileName = System.IO.Path.Combine(filePath, diffuseTextureFileName);
}
string folderName = System.IO.Path.GetDirectoryName(diffuseTextureFileName);
if (!System.IO.Directory.Exists(folderName))
{
Log($" Folder for diffuse texture does not exist: {folderName ?? ""}:");
return;
}
if (_folderImageFiles == null)
{
_folderImageFiles = new Dictionary <string, string[]>();
}
string[] allFilesInFolder;
if (!_folderImageFiles.TryGetValue(folderName, out allFilesInFolder))
{
allFilesInFolder = System.IO.Directory.GetFiles(folderName, "*.*", SearchOption.TopDirectoryOnly);
_folderImageFiles.Add(folderName, allFilesInFolder);
}
//TextureMapTypes textureMapType = KnownTextureFiles.GetTextureType(diffuseTextureFileName);
string fileNameWithoutKnownSuffix = KnownTextureFiles.GetFileNameWithoutKnownSuffix(diffuseTextureFileName);
// Get material files that start with the diffuse texture file name without a suffix
List <string> materialFiles;
if (useStrictFileNameMatch)
{
materialFiles = allFilesInFolder.Where(f => fileNameWithoutKnownSuffix == KnownTextureFiles.GetFileNameWithoutKnownSuffix(f)).ToList();
}
else
{
materialFiles = allFilesInFolder.Where(f => f.IndexOf(fileNameWithoutKnownSuffix, 0, StringComparison.OrdinalIgnoreCase) != -1).ToList();
}
_textureFiles.Clear();
if (materialFiles.Count == 0)
{
Log($" Folder ({folderName}) for {assimpMaterial.Name ?? ""} material does not define any texture files");
return;
}
else
{
bool hasDiffuseTexture = false;
foreach (var materialFile in materialFiles)
{
if (!TextureLoader.IsSupportedFile(materialFile, supportDDSTextures)) // Skip unsupported files
{
continue;
}
var textureMapType = KnownTextureFiles.GetTextureType(materialFile);
if (textureMapType == TextureMapTypes.Unknown)
{
if (!hasDiffuseTexture)
{
textureMapType = TextureMapTypes.DiffuseColor; // First unknown file type is considered to be diffuse texture file
}
else
{
continue; // Unknown file type
}
}
bool isDiffuseTexture = (textureMapType == TextureMapTypes.DiffuseColor ||
textureMapType == TextureMapTypes.Albedo ||
textureMapType == TextureMapTypes.BaseColor);
string existingTextureFileName;
if (_textureFiles.TryGetValue(textureMapType, out existingTextureFileName))
{
// Map for this texture type already exist
var existingFileExtension = System.IO.Path.GetExtension(existingTextureFileName);
if (existingFileExtension != null && existingFileExtension.Equals(".dds", StringComparison.OrdinalIgnoreCase))
{
continue; // DDS texture already found for this texture type - we will use existing dds texture
}
}
hasDiffuseTexture |= isDiffuseTexture;
_textureFiles.Add(textureMapType, materialFile);
Log(" " + textureMapType + ": " + System.IO.Path.GetFileName(materialFile));
}
if (_textureFiles.Count > 0)
{
foreach (var oneTextureFile in _textureFiles)
{
var textureType = oneTextureFile.Key;
var oneFileName = oneTextureFile.Value;
ShaderResourceView shaderResourceView;
if (!_texturesCache.TryGetValue(oneFileName, out shaderResourceView))
{
var isBaseColor = (textureType == TextureMapTypes.BaseColor ||
textureType == TextureMapTypes.Albedo ||
textureType == TextureMapTypes.DiffuseColor);
// To load a texture from file, you can use the TextureLoader.LoadShaderResourceView (this supports loading standard image files and also loading dds files).
// This method returns a ShaderResourceView and it can also set a textureInfo parameter that defines some of the properties of the loaded texture (bitmap size, dpi, format, hasTransparency).
TextureInfo textureInfo;
shaderResourceView = Ab3d.DirectX.TextureLoader.LoadShaderResourceView(MainDXViewportView.DXScene.Device,
oneFileName,
loadDdsIfPresent: true,
convertTo32bppPRGBA: isBaseColor,
generateMipMaps: true,
textureInfo: out textureInfo);
physicallyBasedMaterial.TextureMaps.Add(new TextureMapInfo((Ab3d.DirectX.Materials.TextureMapTypes)textureType, shaderResourceView, null, oneFileName));
if (isBaseColor)
{
// Get recommended BlendState based on HasTransparency and HasPreMultipliedAlpha values.
// Possible values are: CommonStates.Opaque, CommonStates.PremultipliedAlphaBlend or CommonStates.NonPremultipliedAlphaBlend.
var recommendedBlendState = MainDXViewportView.DXScene.DXDevice.CommonStates.GetRecommendedBlendState(textureInfo.HasTransparency, textureInfo.HasPremultipliedAlpha);
physicallyBasedMaterial.BlendState = recommendedBlendState;
physicallyBasedMaterial.HasTransparency = textureInfo.HasTransparency;
}
_texturesCache.Add(oneFileName, shaderResourceView);
}
}
}
}
}
public override void ApplyMaterial(Mesh mesh, Material mat, bool textured, bool shaded)
{
ApplyFixedFunctionMaterial(mesh, mat, textured, shaded);
}
private MonoKnight.Mesh ProcessMesh(Assimp.Mesh mesh, Assimp.Scene scene)
{
List <Vertex> vertices = new List <Vertex>();
List <int> indices = new List <int>();
List <Texture> textures = new List <Texture>();
// var boneDic = new Dictionary<string, Bone>();
////
//var invertGlobalTransform = AssimpMat4ToOpenTKMat4(scene.RootNode.Transform).Inverted();
// //
// if(mesh.HasBones)
// {
// for (int i = 0; i < mesh.BoneCount; i++)
// {
// var assimpBone = mesh.Bones[i];
// if (!boneDic.ContainsKey(assimpBone.Name))
//{
// var bone = new Bone();
// bone.name = assimpBone.Name;
// bone.offset = AssimpMat4ToOpenTKMat4(assimpBone.OffsetMatrix);
// for (int j = 0; j < assimpBone.VertexWeightCount; j++)
// {
// VertexWeight vertexWeight;
// vertexWeight.vertexId = assimpBone.VertexWeights[j].VertexID;
// vertexWeight.weight = assimpBone.VertexWeights[j].Weight;
// bone.weightList.Add(vertexWeight);
// }
// boneDic[assimpBone.Name] = bone;
//}
// }
//}
//
for (int i = 0; i < mesh.VertexCount; i++)
{
Vertex vertex = new Vertex();
Vector3 vector = new Vector3();
vector.X = mesh.Vertices[i].X;
vector.Y = mesh.Vertices[i].Y;
vector.Z = mesh.Vertices[i].Z;
vertex.position = vector;
//
if (mesh.HasNormals)
{
vector.X = mesh.Normals[i].X;
vector.Y = mesh.Normals[i].Y;
vector.Z = mesh.Normals[i].Z;
vertex.normal = vector;
}
else
{
vertex.normal = Vector3.Zero;
}
//
if (mesh.HasTextureCoords(0))
{
Vector2 vec = new Vector2();
vec.X = mesh.TextureCoordinateChannels[0][i].X;
vec.Y = mesh.TextureCoordinateChannels[0][i].Y;
vertex.texCoord = vec;
}
else
{
vertex.texCoord = new Vector2(0.0f, 0.0f);
}
vertices.Add(vertex);
}
for (int i = 0; i < mesh.FaceCount; i++)
{
Face face = mesh.Faces[i];
for (int j = 0; j < face.IndexCount; j++)
{
indices.Add(face.Indices[j]);
}
}
if (mesh.MaterialIndex >= 0)
{
Assimp.Material material = scene.Materials[mesh.MaterialIndex];
for (int i = 0; i < material.GetMaterialTextures(TextureType.Diffuse).Length; i++)
{
var texSlot = material.GetMaterialTextures(TextureType.Diffuse)[i];
Texture texture = new Texture();
texture.LoadFromPath(Path.Combine(modelDirPath, texSlot.FilePath));
textures.Add(texture);
}
//TODO other type texture
}
//
return(new Mesh(ref vertices, ref indices, ref textures));
}
// Processa a malha lida pelo Assimp
private Mesh ProcessMesh(Assimp.Mesh amesh, Assimp.Scene scene)
{
List <Vertex> vertices = new List <Vertex>();
List <uint> indices = new List <uint>();
List <Texture> textures = new List <Texture>();
Random r = new Random();
// Carrego pela malha do Assimp, a lista de vértice com a normal, UV (ST), tangente, bitangente
for (int i = 0; i < amesh.VertexCount; i++)
{
Vertex vertex = new Vertex();
vertex.positionX = amesh.Vertices[i].X;
vertex.positionY = amesh.Vertices[i].Y;
vertex.positionZ = amesh.Vertices[i].Z;
if (amesh.HasNormals)
{
vertex.normalX = amesh.Normals[i].X;
vertex.normalY = amesh.Normals[i].Y;
vertex.normalZ = amesh.Normals[i].Z;
}
if (amesh.HasTextureCoords(0))
{
vertex.textureX = amesh.TextureCoordinateChannels[0][i].X;
vertex.textureY = amesh.TextureCoordinateChannels[0][i].Y;
vertex.bitangentX = amesh.BiTangents[i].X;
vertex.bitangentY = amesh.BiTangents[i].Y;
vertex.bitangentZ = amesh.BiTangents[i].Z;
vertex.tangentX = amesh.Tangents[i].X;
vertex.tangentY = amesh.Tangents[i].Y;
vertex.tangentZ = amesh.Tangents[i].Z;
}
else
{
vertex.textureX = 0f;
vertex.textureY = 0f;
}
vertex.colorA = (float)r.NextDouble();
vertex.colorR = (float)r.NextDouble();
vertex.colorB = (float)r.NextDouble();
vertex.colorG = 1f;
vertices.Add(vertex);
}
// Carrega as informações das faces dos triâgulos, ou seja, informa quais vertices formam um triângulo da malha
for (int i = 0; i < amesh.FaceCount; i++)
{
Assimp.Face face = amesh.Faces[i];
for (int j = 0; j < face.IndexCount; j++)
{
indices.Add((uint)face.Indices[j]);
}
}
// Verifica se possui alguma textura ou arquivo mtl vinculado ao obj
if (amesh.MaterialIndex >= 0)
{
Assimp.Material material = scene.Materials[amesh.MaterialIndex];
List <Texture> diffuseMaps = loadMaterialTextures(material, TextureType.Diffuse, "texture_diffuse");
textures.InsertRange(textures.Count, diffuseMaps);
List <Texture> specularMaps = loadMaterialTextures(material, TextureType.Specular, "texture_specular");
textures.InsertRange(textures.Count, specularMaps);
List <Texture> normalMaps = loadMaterialTextures(material, TextureType.Height, "texture_normal");
textures.InsertRange(textures.Count, normalMaps);
}
return(new Mesh(vertices, indices, textures));
}
private void LoadFromNode(Assimp.Scene _scene, Assimp.Node _node, GraphicsDevice _device, SharpDX.Toolkit.Content.ContentManager _content, Matrix _transform)
{
// Sum up transformations recursively
_transform = FromMatrix(_node.Transform) * _transform;
Matrix transformInvTr = Helpers.CreateInverseTranspose(ref _transform);
// Recursive load from scene
if (_node.HasChildren)
{
foreach (Assimp.Node node in _node.Children)
{
LoadFromNode(_scene, node, _device, _content, _transform);
}
}
if (_node.HasMeshes)
{
foreach (int meshIndex in _node.MeshIndices)
{
Assimp.Mesh mesh = _scene.Meshes[meshIndex];
ModelMesh modelMesh = new ModelMesh();
// if mesh has a diffuse texture extract it
Assimp.Material material = _scene.Materials[mesh.MaterialIndex];
if (material != null && material.GetTextureCount(TextureType.Diffuse) > 0)
{
TextureSlot texture = material.GetTexture(TextureType.Diffuse, 0);
// Create new texture for mesh
var dxtexture = _content.Load <Texture2D>(texture.FilePath);
modelMesh.DiffuseTexture = dxtexture;
}
// Position is mandarory
if (!mesh.HasVertices)
{
throw new Exception("Model::Model(): Model has no vertices.");
}
// Determine the elements in the vertex
bool hasTexCoords = mesh.HasTextureCoords(0);
bool hasColors = mesh.HasVertexColors(0);
bool hasNormals = mesh.HasNormals;
bool hasTangents = mesh.Tangents != null;
bool hasBitangents = mesh.BiTangents != null;
int numElements = 1 + (hasTexCoords ? 1 : 0) + (hasColors ? 1 : 0) + (hasNormals ? 1 : 0) + (hasTangents ? 1 : 0) + (hasBitangents ? 1 : 0);
// Create vertex element list: Here starts the section of creating SharpDX stuff
VertexElement[] vertexElements = new VertexElement[numElements];
uint elementIndex = 0;
vertexElements[elementIndex++] = new VertexElement("POSITION", 0, SharpDX.DXGI.Format.R32G32B32_Float, 0);
int vertexSize = Utilities.SizeOf <Vector3>();
if (hasColors)
{
vertexElements[elementIndex++] = new VertexElement("COLOR", 0, SharpDX.DXGI.Format.R8G8B8A8_UInt, vertexSize);
vertexSize += Utilities.SizeOf <Color>();
}
if (hasNormals)
{
vertexElements[elementIndex++] = new VertexElement("NORMAL", 0, SharpDX.DXGI.Format.R32G32B32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector3>();
}
if (hasTangents)
{
vertexElements[elementIndex++] = new VertexElement("TANGENT", 0, SharpDX.DXGI.Format.R32G32B32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector3>();
}
if (hasBitangents)
{
vertexElements[elementIndex++] = new VertexElement("BITANGENT", 0, SharpDX.DXGI.Format.R32G32B32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector3>();
}
if (hasTexCoords)
{
vertexElements[elementIndex++] = new VertexElement("TEXCOORD", 0, SharpDX.DXGI.Format.R32G32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector2>();
}
// Set the vertex elements and size
modelMesh.InputLayout = VertexInputLayout.New(VertexBufferLayout.New(0, vertexElements));
modelMesh.VertexSize = vertexSize;
// Determine primitive type
switch (mesh.PrimitiveType)
{
case Assimp.PrimitiveType.Point: modelMesh.PrimitiveTopology = SharpDX.Toolkit.Graphics.PrimitiveType.PointList; break;
case Assimp.PrimitiveType.Line: modelMesh.PrimitiveTopology = SharpDX.Toolkit.Graphics.PrimitiveType.LineList; break;
case Assimp.PrimitiveType.Triangle: modelMesh.PrimitiveTopology = SharpDX.Toolkit.Graphics.PrimitiveType.TriangleList; break;
default: throw new Exception("Model::Model(): Unknown primitive type");
}
// Create data stream for vertices
//System.IO.MemoryStream vertexStream = new System.IO.MemoryStream(mesh.VertexCount * vertexSize);
DataStream vertexStream = new DataStream(mesh.VertexCount * vertexSize, true, true);
for (int i = 0; i < mesh.VertexCount; i++)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.Vertices[i]), ref _transform));
if (hasColors)
{
vertexStream.Write <Color>(FromColor(mesh.GetVertexColors(0)[i]));
}
if (hasNormals)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.Normals[i]), ref transformInvTr));
}
if (hasTangents)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.Tangents[i]), ref transformInvTr));
}
if (hasBitangents)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.BiTangents[i]), ref transformInvTr));
}
if (hasTexCoords)
{
vertexStream.Write <Vector2>(new Vector2(mesh.GetTextureCoords(0)[i].X, mesh.GetTextureCoords(0)[i].Y));
}
}
vertexStream.Position = 0;
// Create new vertex buffer
var vertexBuffer = SharpDX.Toolkit.Graphics.Buffer.Vertex.New(_device, vertexStream);
// Add it to the mesh
modelMesh.VertexBuffer = vertexBuffer;
modelMesh.VertexCount = mesh.VertexCount;
modelMesh.PrimitiveCount = mesh.FaceCount;
// Create new index buffer
var indexBuffer = SharpDX.Toolkit.Graphics.Buffer.Index.New(_device, mesh.GetIndices());
// Add it to the mesh
modelMesh.IndexBuffer = indexBuffer;
modelMesh.IndexCount = mesh.GetIndices().GetLength(0);
m_meshes.Add(modelMesh);
}
}
}
/// <summary>
/// Helper method, used to transfer information from Material to ClientMaterial
/// </summary>
/// <param name="mat"> the source Material </param>
/// <param name="myMat"> the destination ClientMaterial </param>
protected void ApplyMaterial(Material mat, ClientMaterial myMat)
{
if (mat.GetMaterialTextureCount(TextureType.Diffuse) > 0)
{
TextureSlot tex;
if (mat.GetMaterialTexture(TextureType.Diffuse, 0, out tex))
{
ShaderResourceView temp;
myMat.setDiffuseTexture(temp = CreateTexture(Path.Combine(Path.GetDirectoryName(sourceFileName), Path.GetFileName(tex.FilePath))));
myMat.setTexCount(temp == null ? 0 : 1);
}
else
{
myMat.setDiffuseTexture(null);
myMat.setTexCount(1);
}
}
// copies over all the material properties to the struct
// sets the diffuse color
Color4 color = new Color4(.4f, .4f, .4f, 1.0f); // default is light grey
if (mat.HasColorDiffuse)
{
myMat.setDiffuse(mat.ColorDiffuse.R, mat.ColorDiffuse.G, mat.ColorDiffuse.B, mat.ColorDiffuse.A);
}
else
{
myMat.setDiffuse(color.Red, color.Green, color.Blue, color.Alpha);
}
// sets the specular color
color = new Color4(0.1f, 0.1f, 0.1f, 1.0f); // default is non-specular
if (mat.HasColorSpecular)
{
myMat.setSpecular(mat.ColorDiffuse.R, mat.ColorDiffuse.G, mat.ColorDiffuse.B, mat.ColorDiffuse.A);
}
else
{
myMat.setSpecular(color.Red, color.Green, color.Blue, color.Alpha);
}
// sets the ambient color
color = new Color4(.3f, .3f, .3f, 1.0f); // default is dark grey
if (mat.HasColorAmbient)
{
myMat.setAmbient(mat.ColorDiffuse.R, mat.ColorDiffuse.G, mat.ColorDiffuse.B, mat.ColorDiffuse.A);
}
else
{
myMat.setAmbient(color.Red, color.Green, color.Blue, color.Alpha);
}
// sets the emissive color
color = new Color4(0, 0, 0, 1.0f); // default is black
if (mat.HasColorEmissive)
{
myMat.setEmissive(mat.ColorDiffuse.R, mat.ColorDiffuse.G, mat.ColorDiffuse.B, mat.ColorDiffuse.A);
}
else
{
myMat.setEmissive(color.Red, color.Green, color.Blue, color.Alpha);
}
// sets the shininess
float shininess = 1; // default is 1
if (mat.HasShininess)
{
myMat.setShininess(mat.Shininess);
}
else
{
myMat.setShininess(shininess);
}
// sets the opacity
float opacity = 1; // default is 1
if (mat.HasOpacity)
{
myMat.setOpacity(mat.Opacity);
}
else
{
myMat.setOpacity(mat.Opacity);
}
}
public override Node3D LoadNode(string path)
{
if (NormBlank == null)
{
NormBlank = new Texture.Texture2D("data/tex/normblank.png", Texture.LoadMethod.Single, false);
DiffBlank = new Texture.Texture2D("data/tex/diffblank.png", Texture.LoadMethod.Single, false);
SpecBlank = new Texture.Texture2D("data/tex/specblank.png", Texture.LoadMethod.Single, false);
}
string ip = path;
int ic = ip.LastIndexOf("/");
if (ic < 1)
{
ic = ip.LastIndexOf("\\");
}
if (ic > 0)
{
IPath = ip.Substring(0, ic);
}
Entity3D root = new Entity3D();
string file = path;
AssimpContext e = new Assimp.AssimpContext();
Assimp.Configs.NormalSmoothingAngleConfig c1 = new Assimp.Configs.NormalSmoothingAngleConfig(75);
e.SetConfig(c1);
Console.WriteLine("Impporting:" + file);
Assimp.Scene s = null;
try
{
s = e.ImportFile(file, PostProcessSteps.OptimizeGraph | PostProcessSteps.FindInvalidData | PostProcessSteps.FindDegenerates | PostProcessSteps.Triangulate | PostProcessSteps.ValidateDataStructure | PostProcessSteps.CalculateTangentSpace | PostProcessSteps.GenerateNormals | PostProcessSteps.FixInFacingNormals | PostProcessSteps.GenerateSmoothNormals);
if (s.HasAnimations)
{
return(LoadAnimNode(path));
}
}
catch (AssimpException ae)
{
Console.WriteLine(ae);
Console.WriteLine("Failed to import");
Environment.Exit(-1);
}
Console.WriteLine("Imported.");
Dictionary <string, Mesh3D> ml = new Dictionary <string, Mesh3D>();
List <Mesh3D> ml2 = new List <Mesh3D>();
Console.WriteLine("animCount:" + s.AnimationCount);
Matrix4x4 tf = s.RootNode.Transform;
tf.Inverse();
root.GlobalInverse = ToTK(tf);
Dictionary <uint, List <VertexWeight> > boneToWeight = new Dictionary <uint, List <VertexWeight> >();
//root.Animator = new Animation.Animator();
//s.Animations[0].NodeAnimationChannels[0].
//s.Animations[0].anim
// root.Animator.InitAssImp(model);
foreach (Mesh m in s.Meshes)
{
Console.WriteLine("M:" + m.Name + " Bones:" + m.BoneCount);
Console.WriteLine("AA:" + m.HasMeshAnimationAttachments);
Material.Material3D vm = new Material.Material3D
{
ColorMap = DiffBlank,
NormalMap = NormBlank,
SpecularMap = SpecBlank
};
Mesh3D m2 = new Mesh3D(m.GetIndices().Length, m.VertexCount);
ml2.Add(m2);
// ml.Add(m.Name, m2);
for (int b = 0; b < m.BoneCount; b++)
{
string name = m.Bones[b].Name;
}
m2.Material = vm;
// root.AddMesh(m2);
m2.Name = m.Name;
Assimp.Material mat = s.Materials[m.MaterialIndex];
TextureSlot t1;
int sc = mat.GetMaterialTextureCount(TextureType.Unknown);
Console.WriteLine("SC:" + sc);
if (mat.HasColorDiffuse)
{
vm.Diff = CTV(mat.ColorDiffuse);
Console.WriteLine("Diff:" + vm.Diff);
}
if (mat.HasColorSpecular)
{
// vm.Spec = CTV ( mat.ColorSpecular );
Console.WriteLine("Spec:" + vm.Spec);
}
if (mat.HasShininess)
{
//vm.Shine = 0.3f+ mat.Shininess;
Console.WriteLine("Shine:" + vm.Shine);
}
Console.WriteLine("Spec:" + vm.Spec);
//for(int ic = 0; ic < sc; ic++)
///{
if (sc > 0)
{
TextureSlot tex2 = mat.GetMaterialTextures(TextureType.Unknown)[0];
// vm.SpecularMap = new Texture.Texture2D ( IPath + "/" + tex2.FilePath, Texture.LoadMethod.Single, false );
}
if (mat.GetMaterialTextureCount(TextureType.Normals) > 0)
{
TextureSlot ntt = mat.GetMaterialTextures(TextureType.Normals)[0];
Console.WriteLine("Norm:" + ntt.FilePath);
vm.NormalMap = new Texture.Texture2D(IPath + "/" + ntt.FilePath, Vivid.Texture.LoadMethod.Single, false);
}
if (mat.GetMaterialTextureCount(TextureType.Diffuse) > 0)
{
t1 = mat.GetMaterialTextures(TextureType.Diffuse)[0];
Console.WriteLine("DiffTex:" + t1.FilePath);
if (t1.FilePath != null)
{
//Console.WriteLine ( "Tex:" + t1.FilePath );
// Console.Write("t1:" + t1.FilePath);
vm.ColorMap = new Texture.Texture2D(IPath + "/" + t1.FilePath.Replace(".dds", ".png"), Texture.LoadMethod.Single, false);
if (File.Exists(IPath + "/" + "norm_" + t1.FilePath))
{
vm.NormalMap = new Texture.Texture2D(IPath + "/" + "norm_" + t1.FilePath, Texture.LoadMethod.Single, false);
}
}
}
for (int i = 0; i < m2.NumVertices; i++)
{
Vector3D v = m.Vertices[i];// * new Vector3D(15, 15, 15);
Vector3D n = new Vector3D(0, 1, 0);
if (m.Normals != null && m.Normals.Count > i)
{
n = m.Normals[i];
}
List <Vector3D> t = m.TextureCoordinateChannels[0];
Vector3D tan, bi;
if (m.Tangents != null && m.Tangents.Count > 0)
{
tan = m.Tangents[i];
bi = m.BiTangents[i];
}
else
{
tan = new Vector3D(0, 0, 0);
bi = new Vector3D(0, 0, 0);
}
if (t.Count() == 0)
{
m2.SetVertex(i, Cv(v), Cv(tan), Cv(bi), Cv(n), Cv2(new Vector3D(0, 0, 0)));
}
else
{
Vector3D tv = t[i];
tv.Y = 1.0f - tv.Y;
m2.SetVertex(i, Cv(v), Cv(tan), Cv(bi), Cv(n), Cv2(tv));
}
//var v = new PosNormalTexTanSkinned(pos, norm.ToVector3(), texC.ToVector2(), tan.ToVector3(), weights.First(), boneIndices);
//verts.Add(v);
}
int[] id = m.GetIndices();
uint[] nd = new uint[id.Length];
for (int i = 0; i < id.Length; i += 3)
{
//Tri t = new Tri();
//t.V0 = (int)nd[i];
// t.V1 = (int)nd[i + 1];
// t.v2 = (int)nd[i + 2];
// nd[i] = (uint)id[i];
if (i + 2 < id.Length)
{
m2.SetTri(i / 3, id[i], id[i + 1], id[i + 2]);
}
}
m2.Indices = nd;
//m2.Scale(AssImpImport.ScaleX, AssImpImport.ScaleY, AssImpImport.ScaleZ);
//m2.GenerateTangents ( );
m2.Final();
}
ProcessNode(root, s.RootNode, ml2);
/*
* while (true)
* {
* }
*/
return(root as Node3D);
}
public override Node3D LoadAnimNode(string path)
{
if (NormBlank == null)
{
NormBlank = new Texture.Texture2D("data/tex/normblank.png", Texture.LoadMethod.Single, false);
DiffBlank = new Texture.Texture2D("data/tex/diffblank.png", Texture.LoadMethod.Single, false);
SpecBlank = new Texture.Texture2D("data/tex/specblank.png", Texture.LoadMethod.Single, false);
}
AnimEntity3D root = new AnimEntity3D();
string file = path;
AssimpContext e = new Assimp.AssimpContext();
Assimp.Configs.NormalSmoothingAngleConfig c1 = new Assimp.Configs.NormalSmoothingAngleConfig(75);
e.SetConfig(c1);
Console.WriteLine("Impporting:" + file);
Assimp.Scene s = null;
try
{
s = e.ImportFile(file, PostProcessSteps.OptimizeMeshes | PostProcessSteps.OptimizeGraph | PostProcessSteps.FindInvalidData | PostProcessSteps.FindDegenerates | PostProcessSteps.Triangulate | PostProcessSteps.ValidateDataStructure | PostProcessSteps.CalculateTangentSpace);
}
catch (AssimpException ae)
{
Console.WriteLine(ae);
Console.WriteLine("Failed to import");
Environment.Exit(-1);
}
Console.WriteLine("Imported.");
Dictionary <string, Mesh3D> ml = new Dictionary <string, Mesh3D>();
List <Mesh3D> ml2 = new List <Mesh3D>();
Console.WriteLine("animCount:" + s.AnimationCount);
Matrix4x4 tf = s.RootNode.Transform;
tf.Inverse();
root.GlobalInverse = ToTK(tf);
Dictionary <uint, List <VertexWeight> > boneToWeight = new Dictionary <uint, List <VertexWeight> >();
root.Animator = new Animation.Animator();
if (s.AnimationCount > 0)
{
Console.WriteLine("Processing animations.");
root.Animator.InitAssImp(s, root);
Console.WriteLine("Processed.");
_ta = root.Animator;
}
Dictionary <uint, List <VertexWeight> > vertToBoneWeight = new Dictionary <uint, List <VertexWeight> >();
//s.Animations[0].NodeAnimationChannels[0].
//s.Animations[0].anim
// root.Animator.InitAssImp(model);
List <Vivid.Data.Vertex> _vertices = new List <Vertex>();
List <Vivid.Data.Tri> _tris = new List <Tri>();
List <Vertex> ExtractVertices(Mesh m, Dictionary <uint, List <VertexWeight> > vtb)
{
List <Vertex> rl = new List <Vertex>();
for (int i = 0; i < m.VertexCount; i++)
{
Vector3D pos = m.HasVertices ? m.Vertices[i] : new Assimp.Vector3D();
Vector3D norm = m.HasNormals ? m.Normals[i] : new Assimp.Vector3D();
Vector3D tan = m.HasTangentBasis ? m.Tangents[i] : new Assimp.Vector3D();
Vector3D bi = m.HasTangentBasis ? m.BiTangents[i] : new Assimp.Vector3D();
Vertex nv = new Vertex
{
Pos = new OpenTK.Vector3(pos.X, pos.Y, pos.Z),
Norm = new OpenTK.Vector3(norm.X, norm.Y, norm.Z),
Tan = new OpenTK.Vector3(tan.X, tan.Y, tan.Z),
BiNorm = new OpenTK.Vector3(bi.X, bi.Y, bi.Z)
};
if (m.HasTextureCoords(0))
{
Vector3D coord = m.TextureCoordinateChannels[0][i];
nv.UV = new OpenTK.Vector2(coord.X, 1 - coord.Y);
}
float[] weights = vtb[(uint)i].Select(w => w.Weight).ToArray();
byte[] boneIndices = vtb[(uint)i].Select(w => (byte)w.VertexID).ToArray();
nv.Weight = weights.First();
nv.BoneIndices = new int[4];
nv.BoneIndices[0] = boneIndices[0];
if (boneIndices.Length > 1)
{
nv.BoneIndices[1] = boneIndices[1];
}
if (boneIndices.Length > 2)
{
nv.BoneIndices[2] = boneIndices[2];
}
if (boneIndices.Length > 3)
{
nv.BoneIndices[3] = boneIndices[3];
}
rl.Add(nv);
}
return(rl);
}
root.Mesh = new Mesh3D();
foreach (Mesh m in s.Meshes)
{
ExtractBoneWeightsFromMesh(m, vertToBoneWeight);
Mesh3D.Subset sub = new Vivid.Data.Mesh3D.Subset
{
VertexCount = m.VertexCount,
VertexStart = _vertices.Count,
FaceStart = _tris.Count,
FaceCount = m.FaceCount
};
root.Mesh.Subs.Add(sub);
List <Vertex> verts = ExtractVertices(m, vertToBoneWeight);
_vertices.AddRange(verts);
List <short> indices = m.GetIndices().Select(i => (short)(i + (uint)sub.VertexStart)).ToList();
for (int i = 0; i < indices.Count; i += 3)
{
Tri t = new Tri
{
V0 = indices[i],
V1 = indices[i + 2],
v2 = indices[i + 1]
};
_tris.Add(t);
}
}
root.Mesh.VertexData = _vertices.ToArray();
root.Mesh.TriData = _tris.ToArray();
root.Mesh.FinalAnim();
root.Renderer = new Visuals.VRMultiPassAnim();
root.Meshes.Add(root.Mesh.Clone());
root.Meshes[0].FinalAnim();
Material.Material3D m1 = new Material.Material3D
{
ColorMap = DiffBlank,
NormalMap = NormBlank,
SpecularMap = SpecBlank
};
root.Mesh.Material = m1;
root.Meshes[0].Material = root.Mesh.Material;
Assimp.Material mat = s.Materials[0];
TextureSlot t1;
int sc = mat.GetMaterialTextureCount(TextureType.Unknown);
Console.WriteLine("SC:" + sc);
if (mat.HasColorDiffuse)
{
m1.Diff = CTV(mat.ColorDiffuse);
}
if (mat.HasColorSpecular)
{
m1.Spec = CTV(mat.ColorSpecular);
// Console.WriteLine("Spec:" + vm.Spec);
}
if (mat.HasShininess)
{
//vm.Shine = 0.3f+ mat.Shininess;
// Console.WriteLine("Shine:" + vm.Shine);
}
//Console.WriteLine("Spec:" + vm.Spec);
//for(int ic = 0; ic < sc; ic++)
///{
if (sc > 0)
{
TextureSlot tex2 = mat.GetMaterialTextures(TextureType.Unknown)[0];
m1.SpecularMap = new Texture.Texture2D(IPath + "/" + tex2.FilePath, Texture.LoadMethod.Single, false);
}
if (mat.GetMaterialTextureCount(TextureType.Normals) > 0)
{
TextureSlot ntt = mat.GetMaterialTextures(TextureType.Normals)[0];
Console.WriteLine("Norm:" + ntt.FilePath);
m1.NormalMap = new Texture.Texture2D(IPath + "/" + ntt.FilePath, Vivid.Texture.LoadMethod.Single, false);
}
if (mat.GetMaterialTextureCount(TextureType.Diffuse) > 0)
{
t1 = mat.GetMaterialTextures(TextureType.Diffuse)[0];
Console.WriteLine("DiffTex:" + t1.FilePath);
if (t1.FilePath != null)
{
try
{
// Console.Write("t1:" + t1.FilePath);
m1.ColorMap = new Texture.Texture2D(IPath + "/" + t1.FilePath.Replace(".dds", ".png"), Texture.LoadMethod.Single, false);
if (File.Exists(IPath + "norm" + t1.FilePath))
{
// vm.TNorm = new Texture.VTex2D(IPath + "norm" +
// t1.FilePath,Texture.LoadMethod.Single, false);
// Console.WriteLine("TexLoaded");
}
}
catch
{
}
}
if (true)
{
if (new FileInfo(t1.FilePath).Exists == true)
{
// var tex = App.AppSal.CreateTex2D();
// tex.Path = t1.FilePath;
// tex.Load();
//m2.DiffuseMap = tex;
}
}
}
//r1.LocalTurn = new OpenTK.Matrix4(s.Transform.A1, s.Transform.A2, s.Transform.A3, s.Transform.A4, s.Transform.B1, s.Transform.B2, s.Transform.B3, s.Transform.B4, s.Transform.C1, s.Transform.C2, s.Transform.C3, s.Transform.C4, s.Transform.D1, s.Transform.D2, s.Transform.D3, s.Transform.D4);
root.LocalTurn = new OpenTK.Matrix4(s.RootNode.Transform.A1, s.RootNode.Transform.B1, s.RootNode.Transform.C1, s.RootNode.Transform.D1, s.RootNode.Transform.A2, s.RootNode.Transform.B2, s.RootNode.Transform.C2, s.RootNode.Transform.D2, s.RootNode.Transform.A3, s.RootNode.Transform.B3, s.RootNode.Transform.C3, s.RootNode.Transform.D3, s.RootNode.Transform.A4, s.RootNode.Transform.B4, s.RootNode.Transform.C4, s.RootNode.Transform.D4);
root.LocalTurn = ToTK(s.RootNode.Children[0].Transform);
OpenTK.Matrix4 lt = root.LocalTurn;
root.LocalTurn = lt.ClearTranslation();
root.LocalTurn = root.LocalTurn.ClearScale();
root.LocalPos = lt.ExtractTranslation();
root.LocalScale = lt.ExtractScale();
root.AnimName = "Run";
return(root);
/*
* foreach (var m in s.Meshes)
* {
* Console.WriteLine("M:" + m.Name + " Bones:" + m.BoneCount);
* Console.WriteLine("AA:" + m.HasMeshAnimationAttachments);
*
* var vm = new Material.Material3D();
* vm.TCol = DiffBlank;
* vm.TNorm = NormBlank;
* vm.TSpec = SpecBlank;
* var m2 = new VMesh(m.GetIndices().Length, m.VertexCount);
* ml2.Add(m2);
* // ml.Add(m.Name, m2);
* for (int b = 0; b < m.BoneCount; b++)
* {
* uint index = 0;
* string name = m.Bones[b].Name;
* }
* m2.Mat = vm;
* // root.AddMesh(m2);
* m2.Name = m.Name;
* var mat = s.Materials[m.MaterialIndex];
* TextureSlot t1;
*
* var sc = mat.GetMaterialTextureCount(TextureType.Unknown);
* Console.WriteLine("SC:" + sc);
* if (mat.HasColorDiffuse)
* {
* vm.Diff = CTV(mat.ColorDiffuse);
* }
* if (mat.HasColorSpecular)
* {
* vm.Spec = CTV(mat.ColorSpecular);
* Console.WriteLine("Spec:" + vm.Spec);
* }
* if (mat.HasShininess)
* {
* //vm.Shine = 0.3f+ mat.Shininess;
* Console.WriteLine("Shine:" + vm.Shine);
* }
*
* Console.WriteLine("Spec:" + vm.Spec);
* //for(int ic = 0; ic < sc; ic++)
* ///{
* if (sc > 0)
* {
* var tex2 = mat.GetMaterialTextures(TextureType.Unknown)[0];
* vm.TSpec = new Texture.VTex2D(IPath + "/" + tex2.FilePath, Texture.LoadMethod.Single, false);
* }
*
* if (mat.GetMaterialTextureCount(TextureType.Normals) > 0)
* {
* var ntt = mat.GetMaterialTextures(TextureType.Normals)[0];
* Console.WriteLine("Norm:" + ntt.FilePath);
* vm.TNorm = new Texture.VTex2D(IPath + "/" + ntt.FilePath, Fusion3D.Texture.LoadMethod.Single, false);
* }
*
* if (mat.GetMaterialTextureCount(TextureType.Diffuse) > 0)
* {
* t1 = mat.GetMaterialTextures(TextureType.Diffuse)[0];
* Console.WriteLine("DiffTex:" + t1.FilePath);
*
* if (t1.FilePath != null)
* {
* try
* {
* // Console.Write("t1:" + t1.FilePath);
* vm.TCol = new Texture.VTex2D(IPath + "/" + t1.FilePath.Replace(".dds", ".png"), Texture.LoadMethod.Single, false);
* if (File.Exists(IPath + "norm" + t1.FilePath))
* {
* // vm.TNorm = new Texture.VTex2D(IPath + "norm" +
* // t1.FilePath,Texture.LoadMethod.Single, false);
*
* // Console.WriteLine("TexLoaded");
* }
* }
* catch
* {
* }
* }
* if (true)
* {
* if (new FileInfo(t1.FilePath).Exists == true)
* {
* // var tex = App.AppSal.CreateTex2D();
* // tex.Path = t1.FilePath;
* // tex.Load();
* //m2.DiffuseMap = tex;
* }
* }
* }
*
* ExtractBoneWeightsFromMesh(m, vertToBoneWeight);
*
* for (int i = 0; i < m2.NumVertices; i++)
* {
* var v = m.Vertices[i];// * new Vector3D(15, 15, 15);
* var n = m.Normals[i];
* var t = m.TextureCoordinateChannels[0];
* Vector3D tan, bi;
* if (m.Tangents != null && m.Tangents.Count > 0)
* {
* tan = m.Tangents[i];
* bi = m.BiTangents[i];
* }
* else
* {
* tan = new Vector3D(0, 0, 0);
* bi = new Vector3D(0, 0, 0);
* }
* if (t.Count() == 0)
* {
* m2.SetVertex(i, Cv(v), Cv(tan), Cv(bi), Cv(n), Cv2(new Vector3D(0, 0, 0)));
* }
* else
* {
* var tv = t[i];
* tv.Y = 1.0f - tv.Y;
* m2.SetVertex(i, Cv(v), Cv(tan), Cv(bi), Cv(n), Cv2(tv));
* }
*
* var weights = vertToBoneWeight[(uint)i].Select(w => w.Weight).ToArray();
* var boneIndices = vertToBoneWeight[(uint)i].Select(w => (byte)w.VertexID).ToArray();
*
* m2.SetVertexBone(i, weights.First(), boneIndices);
*
* //var v = new PosNormalTexTanSkinned(pos, norm.ToVector3(), texC.ToVector2(), tan.ToVector3(), weights.First(), boneIndices);
* //verts.Add(v);
* }
* int[] id = m.GetIndices();
* int fi = 0;
* uint[] nd = new uint[id.Length];
* for (int i = 0; i < id.Length; i += 3)
* {
* //Tri t = new Tri();
* //t.V0 = (int)nd[i];
* // t.V1 = (int)nd[i + 1];
* // t.v2 = (int)nd[i + 2];
*
* // nd[i] = (uint)id[i];
* m2.SetTri(i / 3, (int)id[i], (int)id[i + 1], (int)id[i + 2]);
* }
*
* m2.Indices = nd;
* //m2.Scale(AssImpImport.ScaleX, AssImpImport.ScaleY, AssImpImport.ScaleZ);
* m2.Final();
* }
*
* ProcessNode(root, s.RootNode, ml2);
*
* foreach (var ac in root.Clips)
* {
* Console.WriteLine("Anims:" + ac);
* }
* root.AnimName = "Run";
* /*
* while (true)
* {
* }
*/
return(root as Node3D);
}
private void ApplyFixedFunctionGhostMaterial(Mesh mesh, Material mat, bool shaded)
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.DepthMask(false);
var color = new Color4(.6f, .6f, .9f, 0.15f);
shaded = shaded && (mesh == null || mesh.HasNormals);
if (shaded)
{
GL.Enable(EnableCap.Lighting);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, color);
color = new Color4(1, 1, 1, 0.4f);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Specular, color);
color = new Color4(.2f, .2f, .2f, 0.1f);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Ambient, color);
color = new Color4(0, 0, 0, 0.0f);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, color);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Shininess, 16.0f);
}
else
{
GL.Disable(EnableCap.Lighting);
GL.Color3(color.R, color.G, color.B);
}
GL.Disable(EnableCap.ColorMaterial);
GL.Disable(EnableCap.Texture2D);
}
public static LoadedModels <RealtimeMaterial> LoadRealtimeModelsFromFile(string baseDirectory, string localPath, PostProcessSteps flags = DefaultPostProcessSteps)
{
string filePath = Path.Combine(baseDirectory, localPath);
string[] directoryStructure = localPath.Split('/');
string modelDir = directoryStructure[0];
AssimpContext assimpContext = new AssimpContext();
Assimp.Scene pScene = assimpContext.ImportFile(filePath, flags);
//TODO: Identify meshcount for each vertex type. Have to preprocess
int meshCount = pScene.MeshCount;
var loadedMeshCounts = pScene.GetHenzaiMeshCounts();
int meshCountP = loadedMeshCounts.meshCountP;
int meshCountPC = loadedMeshCounts.meshCountPC;
int meshCountPN = loadedMeshCounts.meshCountPN;
int meshCountPT = loadedMeshCounts.meshCountPT;
int meshCountPNT = loadedMeshCounts.meshCountPNT;
int meshCountPNTTB = loadedMeshCounts.meshCountPNTTB;
Mesh <VertexPosition>[] meshesP = new Mesh <VertexPosition> [meshCountP];
Mesh <VertexPositionColor>[] meshesPC = new Mesh <VertexPositionColor> [meshCountPC];
Mesh <VertexPositionNormal>[] meshesPN = new Mesh <VertexPositionNormal> [meshCountPN];
Mesh <VertexPositionTexture>[] meshesPT = new Mesh <VertexPositionTexture> [meshCountPT];
Mesh <VertexPositionNormalTexture>[] meshesPNT = new Mesh <VertexPositionNormalTexture> [meshCountPNT];
Mesh <VertexPositionNormalTextureTangentBitangent>[] meshesPNTTB = new Mesh <VertexPositionNormalTextureTangentBitangent> [meshCountPNTTB];
RealtimeMaterial[] materialsP = new RealtimeMaterial[meshCountP];
RealtimeMaterial[] materialsPC = new RealtimeMaterial[meshCountPC];
RealtimeMaterial[] materialsPN = new RealtimeMaterial[meshCountPN];
RealtimeMaterial[] materialsPT = new RealtimeMaterial[meshCountPT];
RealtimeMaterial[] materialsPNT = new RealtimeMaterial[meshCountPNT];
RealtimeMaterial[] materialsPNTTB = new RealtimeMaterial[meshCountPNTTB];
ushort[][] meshIndiciesP = new ushort[meshCountP][];
ushort[][] meshIndiciesPC = new ushort[meshCountPC][];
ushort[][] meshIndiciesPN = new ushort[meshCountPN][];
ushort[][] meshIndiciesPT = new ushort[meshCountPT][];
ushort[][] meshIndiciesPNT = new ushort[meshCountPNT][];
ushort[][] meshIndiciesPNTTB = new ushort[meshCountPNTTB][];
int meshIndiciesP_Counter = 0;
int meshIndiciesPC_Counter = 0;
int meshIndiciesPN_Counter = 0;
int meshIndiciesPT_Counter = 0;
int meshIndiciesPNT_Counter = 0;
int meshIndiciesPNTTB_Counter = 0;
var loadedModels = new LoadedModels <RealtimeMaterial>();
VertexPosition[] meshDefinitionP = new VertexPosition[0];
VertexPositionColor[] meshDefinitionPC = new VertexPositionColor[0];
VertexPositionNormal[] meshDefinitionPN = new VertexPositionNormal[0];
VertexPositionTexture[] meshDefinitionPT = new VertexPositionTexture[0];
VertexPositionNormalTexture[] meshDefinitionPNT = new VertexPositionNormalTexture[0];
VertexPositionNormalTextureTangentBitangent[] meshDefinitionPNTTB = new VertexPositionNormalTextureTangentBitangent[0];
for (int i = 0; i < meshCount; i++)
{
var aiMesh = pScene.Meshes[i];
var vertexCount = aiMesh.VertexCount;
if (vertexCount == 0)
{
Console.Error.WriteLine("Mesh has no verticies");
continue;
}
Assimp.Material aiMaterial = pScene.Materials[aiMesh.MaterialIndex];
Core.Materials.RealtimeMaterial material = aiMaterial.ToRealtimeMaterial();
VertexRuntimeTypes henzaiVertexType = aiMaterial.ToHenzaiVertexType();
switch (henzaiVertexType)
{
case VertexRuntimeTypes.VertexPosition:
meshDefinitionP = new VertexPosition[vertexCount];
break;
case VertexRuntimeTypes.VertexPositionColor:
meshDefinitionPC = new VertexPositionColor[vertexCount];
break;
case VertexRuntimeTypes.VertexPositionTexture:
meshDefinitionPT = new VertexPositionTexture[vertexCount];
break;
case VertexRuntimeTypes.VertexPositionNormalTexture:
meshDefinitionPNT = new VertexPositionNormalTexture[vertexCount];
break;
case VertexRuntimeTypes.VertexPositionNormal:
meshDefinitionPN = new VertexPositionNormal[vertexCount];
break;
case VertexRuntimeTypes.VertexPositionNormalTextureTangentBitangent:
meshDefinitionPNTTB = new VertexPositionNormalTextureTangentBitangent[vertexCount];
break;
default:
throw new NotImplementedException($"{henzaiVertexType.ToString("g")} not implemented");
}
for (int j = 0; j < vertexCount; j++)
{
byte[] bytes = GenerateVertexBytesArrayFromAssimp(henzaiVertexType, aiMesh, j);
switch (henzaiVertexType)
{
case VertexRuntimeTypes.VertexPosition:
meshDefinitionP[j] = ByteMarshal.ByteArrayToStructure <VertexPosition>(bytes);
break;
case VertexRuntimeTypes.VertexPositionColor:
meshDefinitionPC[j] = ByteMarshal.ByteArrayToStructure <VertexPositionColor>(bytes);
break;
case VertexRuntimeTypes.VertexPositionTexture:
meshDefinitionPT[j] = ByteMarshal.ByteArrayToStructure <VertexPositionTexture>(bytes);
break;
case VertexRuntimeTypes.VertexPositionNormalTexture:
meshDefinitionPNT[j] = ByteMarshal.ByteArrayToStructure <VertexPositionNormalTexture>(bytes);
break;
case VertexRuntimeTypes.VertexPositionNormal:
meshDefinitionPN[j] = ByteMarshal.ByteArrayToStructure <VertexPositionNormal>(bytes);
break;
case VertexRuntimeTypes.VertexPositionNormalTextureTangentBitangent:
meshDefinitionPNTTB[j] = ByteMarshal.ByteArrayToStructure <VertexPositionNormalTextureTangentBitangent>(bytes);
break;
default:
throw new NotImplementedException($"{henzaiVertexType.ToString("g")} not implemented");
}
}
var faceCount = aiMesh.FaceCount;
switch (henzaiVertexType)
{
case VertexRuntimeTypes.VertexPosition:
materialsP[meshIndiciesP_Counter] = material;
meshIndiciesP[meshIndiciesP_Counter] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndiciesP[meshIndiciesP_Counter][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndiciesP[meshIndiciesP_Counter][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndiciesP[meshIndiciesP_Counter][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshesP[meshIndiciesP_Counter] = new Mesh <VertexPosition>(meshDefinitionP, meshIndiciesP[meshIndiciesP_Counter]);
meshIndiciesP_Counter++;
break;
case VertexRuntimeTypes.VertexPositionColor:
materialsPC[meshIndiciesPC_Counter] = material;
meshIndiciesPC[meshIndiciesPC_Counter] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndiciesPC[meshIndiciesPC_Counter][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndiciesPC[meshIndiciesPC_Counter][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndiciesPC[meshIndiciesPC_Counter][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshesPC[meshIndiciesPC_Counter] = new Mesh <VertexPositionColor>(meshDefinitionPC, meshIndiciesPC[meshIndiciesPC_Counter]);
meshIndiciesPC_Counter++;
break;
case VertexRuntimeTypes.VertexPositionTexture:
materialsPT[meshIndiciesPT_Counter] = material;
meshIndiciesPT[meshIndiciesPT_Counter] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndiciesPT[meshIndiciesPT_Counter][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndiciesPT[meshIndiciesPT_Counter][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndiciesPT[meshIndiciesPT_Counter][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshesPT[meshIndiciesPT_Counter] = new Mesh <VertexPositionTexture>(meshDefinitionPT, meshIndiciesPT[meshIndiciesPT_Counter]);
meshIndiciesPT_Counter++;
break;
case VertexRuntimeTypes.VertexPositionNormalTexture:
materialsPNT[meshIndiciesPNT_Counter] = material;
meshIndiciesPNT[meshIndiciesPNT_Counter] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndiciesPNT[meshIndiciesPNT_Counter][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndiciesPNT[meshIndiciesPNT_Counter][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndiciesPNT[meshIndiciesPNT_Counter][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshesPNT[meshIndiciesPNT_Counter] = new Mesh <VertexPositionNormalTexture>(meshDefinitionPNT, meshIndiciesPNT[meshIndiciesPNT_Counter]);
meshIndiciesPNT_Counter++;
break;
case VertexRuntimeTypes.VertexPositionNormal:
materialsPN[meshIndiciesPN_Counter] = material;
meshIndiciesPN[meshIndiciesPN_Counter] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndiciesPN[meshIndiciesPN_Counter][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndiciesPN[meshIndiciesPN_Counter][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndiciesPN[meshIndiciesPN_Counter][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshesPN[meshIndiciesPN_Counter] = new Mesh <VertexPositionNormal>(meshDefinitionPN, meshIndiciesPN[meshIndiciesPN_Counter]);
meshIndiciesPN_Counter++;
break;
case VertexRuntimeTypes.VertexPositionNormalTextureTangentBitangent:
materialsPNTTB[meshIndiciesPNTTB_Counter] = material;
meshIndiciesPNTTB[meshIndiciesPNTTB_Counter] = new ushort[3 * faceCount];
for (int j = 0; j < faceCount; j++)
{
var face = aiMesh.Faces[j];
if (face.IndexCount != 3)
{
Console.Error.WriteLine("Loading Assimp: Face index count != 3!");
continue;
}
meshIndiciesPNTTB[meshIndiciesPNTTB_Counter][3 * j + 0] = face.Indices[0].ToUnsignedShort();
meshIndiciesPNTTB[meshIndiciesPNTTB_Counter][3 * j + 1] = face.Indices[1].ToUnsignedShort();
meshIndiciesPNTTB[meshIndiciesPNTTB_Counter][3 * j + 2] = face.Indices[2].ToUnsignedShort();
}
meshesPNTTB[meshIndiciesPNTTB_Counter] = new Mesh <VertexPositionNormalTextureTangentBitangent>(meshDefinitionPNTTB, meshIndiciesPNTTB[meshIndiciesPNTTB_Counter]);
meshIndiciesPNTTB_Counter++;
break;
default:
throw new NotImplementedException($"{henzaiVertexType.ToString("g")} not implemented");
}
}
if (meshCountP > 0)
{
loadedModels.modelP = new Model <VertexPosition, RealtimeMaterial>(modelDir, meshesP, materialsP);
}
if (meshCountPC > 0)
{
loadedModels.modelPC = new Model <VertexPositionColor, RealtimeMaterial>(modelDir, meshesPC, materialsPC);
}
if (meshCountPN > 0)
{
loadedModels.modelPN = new Model <VertexPositionNormal, RealtimeMaterial>(modelDir, meshesPN, materialsPN);
}
if (meshCountPT > 0)
{
loadedModels.modelPT = new Model <VertexPositionTexture, RealtimeMaterial>(modelDir, meshesPT, materialsPT);
}
if (meshCountPNT > 0)
{
loadedModels.modelPNT = new Model <VertexPositionNormalTexture, RealtimeMaterial>(modelDir, meshesPNT, materialsPNT);
}
if (meshCountPNTTB > 0)
{
loadedModels.modelPNTTB = new Model <VertexPositionNormalTextureTangentBitangent, RealtimeMaterial>(modelDir, meshesPNTTB, materialsPNTTB);
}
return(loadedModels);
}
public override void ApplyMaterial(Mesh mesh, Material mat, bool textured, bool shaded)
{
}
private ModelData.Material Process(Material rawMaterial)
{
var material = new ModelData.Material();
var properties = material.Properties;
// Setup all default properties for this material
if (rawMaterial.HasBlendMode) properties.SetProperty(MaterialKeysBase.BlendMode, (MaterialBlendMode)rawMaterial.BlendMode);
if (rawMaterial.HasBumpScaling) properties.SetProperty(MaterialKeysBase.BumpScaling, rawMaterial.BumpScaling);
if (rawMaterial.HasColorAmbient) properties.SetProperty(MaterialKeysBase.ColorAmbient, ConvertColor(rawMaterial.ColorAmbient));
if (rawMaterial.HasColorDiffuse) properties.SetProperty(MaterialKeysBase.ColorDiffuse, ConvertColor(rawMaterial.ColorDiffuse));
if (rawMaterial.HasColorEmissive) properties.SetProperty(MaterialKeysBase.ColorEmissive, (Color3)ConvertColor(rawMaterial.ColorEmissive));
if (rawMaterial.HasColorReflective) properties.SetProperty(MaterialKeysBase.ColorReflective, ConvertColor(rawMaterial.ColorReflective));
if (rawMaterial.HasColorSpecular) properties.SetProperty(MaterialKeysBase.ColorSpecular, (Color3)ConvertColor(rawMaterial.ColorSpecular));
if (rawMaterial.HasColorTransparent) properties.SetProperty(MaterialKeysBase.ColorTransparent, ConvertColor(rawMaterial.ColorTransparent));
if (rawMaterial.HasName) properties.SetProperty(MaterialKeysBase.Name, rawMaterial.Name);
if (rawMaterial.HasOpacity) properties.SetProperty(MaterialKeysBase.Opacity, rawMaterial.Opacity);
if (rawMaterial.HasReflectivity) properties.SetProperty(MaterialKeysBase.Reflectivity, rawMaterial.Reflectivity);
if (rawMaterial.HasShininess) properties.SetProperty(MaterialKeysBase.Shininess, rawMaterial.Shininess);
if (rawMaterial.HasShininessStrength) properties.SetProperty(MaterialKeysBase.ShininessStrength, rawMaterial.ShininessStrength);
if (rawMaterial.HasShadingMode) properties.SetProperty(MaterialKeysBase.ShadingMode, (MaterialShadingMode)rawMaterial.ShadingMode);
if (rawMaterial.HasTwoSided) properties.SetProperty(MaterialKeysBase.TwoSided, rawMaterial.IsTwoSided);
if (rawMaterial.HasWireFrame) properties.SetProperty(MaterialKeysBase.Wireframe, rawMaterial.IsWireFrameEnabled);
// Iterate on other properties
foreach (var rawProperty in rawMaterial.GetAllProperties())
{
var key = rawProperty.FullyQualifiedName;
if (!properties.ContainsKey(key) && !AssimpMaterialDefaultNames.Contains(rawProperty.FullyQualifiedName))
{
// Texture properties will be added after
if (!rawProperty.FullyQualifiedName.StartsWith("$tex"))
{
// Just use our own key for this material
if (key == "$mat.refracti,0,0") key = "Refraction";
const string matNamePrefix = "$mat.";
if (key.StartsWith(matNamePrefix) && key.Length > matNamePrefix.Length)
{
var newName = key.Substring(matNamePrefix.Length);
key = new StringBuilder().Append(char.ToUpperInvariant(newName[0])).Append(newName.Substring(1)).ToString();
}
if (properties.ContainsKey(key))
{
continue;
}
switch (rawProperty.PropertyType)
{
case PropertyType.String:
properties.Add(key, rawProperty.AsString());
break;
case PropertyType.Float:
switch (rawProperty.ByteCount / 4)
{
case 1:
properties.Add(key, rawProperty.AsFloat());
break;
case 2:
properties.Add(key, new Vector2(rawProperty.AsFloatArray()));
break;
case 3:
properties.Add(key, new Vector3(rawProperty.AsFloatArray()));
break;
case 4:
properties.Add(key, new Vector4(rawProperty.AsFloatArray()));
break;
case 16:
properties.Add(key, new Matrix(rawProperty.AsFloatArray()));
break;
}
break;
case PropertyType.Integer:
switch (rawProperty.ByteCount / 4)
{
case 1:
properties.Add(key, rawProperty.AsInteger());
break;
default:
properties.Add(key, rawProperty.AsIntegerArray());
break;
}
break;
case PropertyType.Buffer:
properties.Add(key, rawProperty.RawData);
break;
}
}
}
}
// Process textures
foreach (TextureType textureType in Enum.GetValues(typeof(TextureType)))
{
if (textureType != TextureType.None)
{
var textures = rawMaterial.GetTextures(textureType);
if (textures != null)
{
var materialTextures = new List<ModelData.MaterialTexture>();
material.Textures.Add(string.Format("{0}Texture", textureType), materialTextures);
foreach (var textureSlot in textures)
{
var textureFilePath = textureSlot.FilePath.Replace(@"/", @"\");
var textureWinFilePath = textureFilePath;
// Remove any .\
while (textureFilePath.StartsWith(@".\"))
{
textureFilePath = textureFilePath.Substring(2);
}
var newTextureSlot = new ModelData.MaterialTexture()
{
FilePath = textureFilePath,
BlendFactor = textureSlot.BlendFactor,
Operation = (MaterialTextureOperator)textureSlot.Operation,
Index = (int)textureSlot.TextureIndex,
UVIndex = (int)textureSlot.UVIndex,
WrapMode = ConvertWrapMode(textureSlot.WrapMode),
Flags = (MaterialTextureFlags)textureSlot.Flags
};
var pathToFullTexture = Path.Combine(modelDirectory, textureWinFilePath);
if (!File.Exists(pathToFullTexture))
{
logger.Warning(string.Format("Texture [{0}] not found from path [{1}] for model [{2}]. Skip it", textureSlot.FilePath, pathToFullTexture, modelFilePath));
}
materialTextures.Add(newTextureSlot);
}
}
}
}
return material;
}
void WriteTextureStack (Material mat, TextureType type, BinaryWriter writer, Dictionary<string,string> textures) {
var count = mat.GetMaterialTextureCount(type);
writer.Write(count);
for (var i = 0; i < count; i++) {
TextureSlot slot;
mat.GetMaterialTexture(type, i, out slot);
if (slot.Mapping != TextureMapping.FromUV)
throw new ContentException("Unsupported texture mapping type, textures must be UV-mapped.");
if (!textures.ContainsKey(slot.FilePath)) {
textures.Add(slot.FilePath, Path.GetFileNameWithoutExtension(slot.FilePath));
}
writer.Write(textures[slot.FilePath]);
writer.Write(slot.UVIndex);
writer.Write(slot.BlendFactor);
writer.Write((int)slot.Operation);
writer.Write(slot.WrapModeU == TextureWrapMode.Wrap);
writer.Write(slot.WrapModeV == TextureWrapMode.Wrap);
}
}
private void ApplyFixedFunctionMaterial(Mesh mesh, Material mat, bool textured, bool shaded)
{
shaded = shaded && (mesh == null || mesh.HasNormals);
if (shaded)
{
GL.Enable(EnableCap.Lighting);
}
else
{
GL.Disable(EnableCap.Lighting);
}
var hasColors = mesh != null && mesh.HasVertexColors(0);
if (hasColors)
{
GL.Enable(EnableCap.ColorMaterial);
GL.ColorMaterial(MaterialFace.FrontAndBack, ColorMaterialParameter.AmbientAndDiffuse);
}
else
{
GL.Disable(EnableCap.ColorMaterial);
}
// note: keep semantics of hasAlpha consistent with IsAlphaMaterial()
var hasAlpha = false;
var hasTexture = false;
// note: keep this up-to-date with the code in UploadTextures()
if (textured && mat.GetMaterialTextureCount(TextureType.Diffuse) > 0)
{
hasTexture = true;
TextureSlot tex;
mat.GetMaterialTexture(TextureType.Diffuse, 0, out tex);
var gtex = _scene.TextureSet.GetOriginalOrReplacement(tex.FilePath);
hasAlpha = hasAlpha || gtex.HasAlpha == Texture.AlphaState.HasAlpha;
if(gtex.State == Texture.TextureState.GlTextureCreated)
{
GL.ActiveTexture(TextureUnit.Texture0);
gtex.BindGlTexture();
GL.Enable(EnableCap.Texture2D);
}
else
{
GL.Disable(EnableCap.Texture2D);
}
}
else
{
GL.Disable(EnableCap.Texture2D);
}
GL.Enable(EnableCap.Normalize);
var alpha = 1.0f;
if (mat.HasOpacity)
{
alpha = mat.Opacity;
if (alpha < AlphaSuppressionThreshold) // suppress zero opacity, this is likely wrong input data
{
alpha = 1.0f;
}
}
var color = new Color4(.8f, .8f, .8f, 1.0f);
if (mat.HasColorDiffuse)
{
color = AssimpToOpenTk.FromColor(mat.ColorDiffuse);
if (color.A < AlphaSuppressionThreshold) // s.a.
{
color.A = 1.0f;
}
}
color.A *= alpha;
hasAlpha = hasAlpha || color.A < 1.0f;
if (shaded)
{
// if the material has a texture but the diffuse color texture is all black,
// then heuristically assume that this is an import/export flaw and substitute
// white.
if (hasTexture && color.R < 1e-3f && color.G < 1e-3f && color.B < 1e-3f)
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, Color4.White);
}
else
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, color);
}
color = new Color4(0, 0, 0, 1.0f);
if (mat.HasColorSpecular)
{
color = AssimpToOpenTk.FromColor(mat.ColorSpecular);
}
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Specular, color);
color = new Color4(.2f, .2f, .2f, 1.0f);
if (mat.HasColorAmbient)
{
color = AssimpToOpenTk.FromColor(mat.ColorAmbient);
}
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Ambient, color);
color = new Color4(0, 0, 0, 1.0f);
if (mat.HasColorEmissive)
{
color = AssimpToOpenTk.FromColor(mat.ColorEmissive);
}
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, color);
float shininess = 1;
float strength = 1;
if (mat.HasShininess)
{
shininess = mat.Shininess;
}
// todo: I don't even remember how shininess strength was supposed to be handled in assimp
if (mat.HasShininessStrength)
{
strength = mat.ShininessStrength;
}
var exp = shininess*strength;
if (exp >= 128.0f) // 128 is the maximum exponent as per the Gl spec
{
exp = 128.0f;
}
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Shininess, exp);
}
else if (!hasColors)
{
GL.Color3(color.R, color.G, color.B);
}
if (hasAlpha)
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.DepthMask(false);
}
else
{
GL.Disable(EnableCap.Blend);
GL.DepthMask(true);
}
}
/// <summary>
/// Uploads all the textures required for a given material to VRAM (i.e.
/// create the corresponding Gl objects). Textures that have been
/// uploaded before are not attempted again.
/// </summary>
/// <param name="material"></param>
/// <returns>Whether there were any new texture uploads</returns>
public bool UploadTextures(Material material)
{
Debug.Assert(material != null);
var any = false;
// note: keep this up to date with the code in ApplyFixedFunctionMaterial
if (material.GetMaterialTextureCount(TextureType.Diffuse) > 0)
{
TextureSlot tex;
material.GetMaterialTexture(TextureType.Diffuse, 0, out tex);
var gtex = _scene.TextureSet.GetOriginalOrReplacement(tex.FilePath);
if (gtex.State == Texture.TextureState.WinFormsImageCreated)
{
gtex.Upload();
any = true;
}
else if (gtex.ReconfigureUploadedTextureRequested)
{
gtex.ReconfigureUploadedTexture();
}
}
return any;
}
private static Color ConvertColor(Color4D c, AssimpMaterial aMaterial)
{
if (!aMaterial.HasColorTransparent)
{
// no transparency specified
return Color.FromArgb(255, (byte)(255 * c.R), (byte)(255 * c.G), (byte)(255 * c.B));
}
return Color.FromArgb((byte)(255 * c.A), (byte)(255 * c.R), (byte)(255 * c.G), (byte)(255 * c.B));
}
public Model Load(AssetManager assetManager, RenderContext renderContext, Stream stream, string sourcePath)
{
Scene scene = Importer.ImportFile(sourcePath, PostProcessSteps.Triangulate | PostProcessSteps.FlipUVs);
if (scene == null || scene.SceneFlags.HasFlag(SceneFlags.Incomplete) || scene.RootNode == null)
{
throw new Exception("Assimp Error.");
}
var meshes = new List <Mesh>();
string directory = Path.GetDirectoryName(sourcePath);
Texture2D LoadFromTextureSlot(TextureSlot textureSlot, TextureType textureType)
{
var texture = assetManager.Load <Texture2D>(Path.Combine(directory, textureSlot.FilePath));
texture.SetInfoFromTextureSlot(renderContext, ref textureSlot);
texture.SetMinFilter(renderContext, TextureMinFilter.NearestMipmapLinear);
return(texture);
}
List <Texture2D> LoadMaterialTextures(AssimpMaterial material, TextureType textureType)
{
List <Texture2D> textures = new List <Texture2D>();
for (int i = 0; i < material.GetMaterialTextureCount(textureType); i++)
{
material.GetMaterialTexture(textureType, i, out var textureSlot);
if (textureSlot.FilePath != null)
{
if (textureSlot.FilePath.Contains("*"))
{
throw new InvalidOperationException();
}
var texture = assetManager.Load <Texture2D>(Path.Combine(directory, textureSlot.FilePath));
texture.SetInfoFromTextureSlot(renderContext, ref textureSlot);
textures.Add(texture);
}
}
return(textures);
}
Mesh ProcessMesh(AssimpMesh mesh, System.Numerics.Matrix4x4 transformMatrix)
{
VertexPositionNormalTexture[] vertices = new VertexPositionNormalTexture[mesh.VertexCount];
List <uint> indices = new List <uint>();
// Process vertices
for (int i = 0; i < mesh.VertexCount; i++)
{
Vector3D position = mesh.Vertices[i];
vertices[i].Position = Unsafe.As <Vector3D, Vector3>(ref position);
Vector3D normal = mesh.Normals[i];
vertices[i].Normal = Unsafe.As <Vector3D, Vector3>(ref normal);
if (mesh.HasTextureCoords(0))
{
Vector3D texCoord = mesh.TextureCoordinateChannels[0][i];
vertices[i].TexCoord = new Vector2(texCoord.X, 1 - texCoord.Y);
}
}
// Process indices
for (int i = 0; i < mesh.FaceCount; i++)
{
AssimpFace face = mesh.Faces[i];
for (int j = 0; j < face.IndexCount; j++)
{
indices.Add((uint)face.Indices[j]);
}
}
Mesh.MeshTextureInfo textures = new Mesh.MeshTextureInfo();
// Process Material
if (mesh.MaterialIndex >= 0)
{
AssimpMaterial material = scene.Materials[mesh.MaterialIndex];
var texturezzz = material.GetAllMaterialTextures();
texturezzz = texturezzz.Where(x => x.FilePath != null).ToArray();
if (material.HasTextureDiffuse)
{
textures.Diffuse = LoadFromTextureSlot(material.TextureDiffuse, TextureType.Diffuse);
}
if (material.HasTextureSpecular)
{
textures.Specular = LoadFromTextureSlot(material.TextureSpecular, TextureType.Specular);
}
if (material.HasTextureLightMap)
{
textures.MetallicRoughness = LoadFromTextureSlot(material.TextureLightMap, TextureType.Lightmap);
}
}
return(new Mesh(renderContext, vertices, indices.ToArray(), textures, transformMatrix));
}
void ProcessNode(Node node, System.Numerics.Matrix4x4 transform)
{
var t = node.Transform;
var thisTransform = Unsafe.As <Matrix4x4, System.Numerics.Matrix4x4>(ref t);
// Process all of the node's meshes
for (int i = 0; i < node.MeshCount; i++)
{
AssimpMesh mesh = scene.Meshes[node.MeshIndices[i]];
meshes.Add(ProcessMesh(mesh, transform * thisTransform));
}
// Recurse
for (int i = 0; i < node.ChildCount; i++)
{
ProcessNode(node.Children[i], transform * thisTransform);
}
}
ProcessNode(scene.RootNode, System.Numerics.Matrix4x4.Identity);
return(new Model(meshes.ToArray()));
}
private static SystemMaterial ConvertMaterial(AssimpMaterial aMaterial, string path)
{
MaterialGroup material = new MaterialGroup();
if (aMaterial.HasColorDiffuse)
{
material.Children.Add(new DiffuseMaterial(new SolidColorBrush(
ConvertColor(aMaterial.ColorDiffuse, aMaterial))));
}
if (aMaterial.HasColorEmissive)
{
material.Children.Add(new EmissiveMaterial(new SolidColorBrush(
ConvertColor(aMaterial.ColorEmissive, aMaterial))));
}
if (aMaterial.HasColorSpecular)
{
material.Children.Add(new SpecularMaterial(new SolidColorBrush(
ConvertColor(aMaterial.ColorSpecular, aMaterial)), aMaterial.Shininess));
}
// Textures
TextureSlot[] textures = aMaterial.GetAllMaterialTextures();
foreach (TextureSlot texture in textures)
{
string imageFile = Path.Combine(path, texture.FilePath);
if (File.Exists(imageFile))
{
//material.Children.Clear();
ImageBrush brush = new ImageBrush(new BitmapImage(new Uri(imageFile)));
brush.ViewportUnits = BrushMappingMode.Absolute;
material.Children.Add(new DiffuseMaterial(brush));
}
}
if (material.Children.Count <= 0)
{
// paranoia: no material defined
// -> add default-material
material.Children.Add(new DiffuseMaterial(Brushes.DarkGray));
}
return material;
}
private static Material CreateMaterialFromAiMaterial(Ai.Material aiMaterial, TextureSet textureSet, string texturesDirectoryPath)
{
var material = new Material {
Name = aiMaterial.Name
};
foreach (string shaderName in Material.ShaderNames)
{
if (material.Name.IndexOf(shaderName, StringComparison.OrdinalIgnoreCase) == -1)
{
continue;
}
material.ShaderName = shaderName == "CHARA" ? "SKIN" : shaderName;
break;
}
material.Diffuse = aiMaterial.HasColorDiffuse ? aiMaterial.ColorDiffuse.ToMML() : material.Diffuse;
material.Ambient = aiMaterial.HasColorAmbient ? aiMaterial.ColorAmbient.ToMML() : material.Ambient;
material.Specular = aiMaterial.HasColorSpecular ? aiMaterial.ColorSpecular.ToMML() : material.Specular;
material.Emission = aiMaterial.HasColorEmissive ? aiMaterial.ColorEmissive.ToMML() : material.Emission;
material.Shininess = aiMaterial.HasShininess ? aiMaterial.Shininess : material.Shininess;
if (material.ShaderName == "HAIR")
{
material.AnisoDirection = AnisoDirection.V;
}
material.DoubleSided = aiMaterial.HasTwoSided ? aiMaterial.IsTwoSided : material.DoubleSided;
foreach (var aiTextureSlot in aiMaterial.GetAllMaterialTextures())
{
CreateMaterialTextureFromAiTextureSlot(aiTextureSlot, aiMaterial, material, textureSet, texturesDirectoryPath);
}
if (material.Flags.HasFlag(MaterialFlags.Normal))
{
material.BumpMapType = material.Flags.HasFlag(MaterialFlags.Environment) ? BumpMapType.Env : BumpMapType.Dot;
}
if (material.Flags.HasFlag(MaterialFlags.Specular))
{
material.LineLight = 5;
}
if (material.Flags.HasFlag(MaterialFlags.Environment))
{
material.Flags |= MaterialFlags.ColorL1Alpha | MaterialFlags.ColorL2Alpha | MaterialFlags.OverrideIBL;
}
// HAIR without normal map causes the whole screen to become black.
// TODO: Automatically add a flat normal map in this case.
if (material.ShaderName == "HAIR" && !material.Flags.HasFlag(MaterialFlags.Normal))
{
material.ShaderName = "BLINN";
}
material.SortMaterialTextures();
return(material);
}
private Mesh processMesh(Assimp.Mesh mesh, Assimp.Scene scene)
{
// Data to fill
List <Vertex> vertices = new List <Vertex>();
List <uint> indices = new List <uint>();
List <Texture> textures = new List <Texture>();
// Walk through each of the mesh's vertices
for (int i = 0; i < mesh.VertexCount; i++)
{
Vertex vertex = new Vertex();
//Vertex3 vector = new Vertex3();
// We declare a placeholder vector since assimp uses its own vector class that doesn't directly convert to glm's vec3 class so we transfer the data to this placeholder glm::vec3 first.
// Positions
vertex.Position.X = mesh.Vertices[i].X;
vertex.Position.Y = mesh.Vertices[i].Y;
vertex.Position.Z = mesh.Vertices[i].Z;
//vertex.Position = vector;
// Normals
vertex.Normal.X = mesh.Normals[i].X;
vertex.Normal.Y = mesh.Normals[i].Y;
vertex.Normal.Z = mesh.Normals[i].Z;
//vertex.Normal = vector;
// Texture Coordinates
if (mesh.HasTextureCoords(0)) // Does the mesh contain texture coordinates?
{
Vertex2f vec;
// A vertex can contain up to 8 different texture coordinates. We thus make the assumption that we won't
// use models where a vertex can have multiple texture coordinates so we always take the first set (0).
vec.x = mesh.TextureCoordinateChannels[0][i].X;
vec.y = mesh.TextureCoordinateChannels[0][i].Y;
vertex.TexCoords.X = vec.X;
vertex.TexCoords.Y = vec.Y;
}
else
{
vertex.TexCoords.X = vertex.TexCoords.Y = 0;
}
vertices.Add(vertex);
}
// Now wak through each of the mesh's faces (a face is a mesh its triangle) and retrieve the corresponding vertex indices.
for (int i = 0; i < mesh.FaceCount; i++)
{
Assimp.Face face = mesh.Faces[i];
// Retrieve all indices of the face and store them in the indices vector
for (int j = 0; j < face.IndexCount; j++)
{
indices.Add((uint)face.Indices[j]);
}
}
// Process materials
if (mesh.MaterialIndex >= 0)
{
Assimp.Material material = scene.Materials[mesh.MaterialIndex];
// We assume a convention for sampler names in the shaders. Each diffuse texture should be named
// as 'texture_diffuseN' where N is a sequential number ranging from 1 to MAX_SAMPLER_NUMBER.
// Same applies to other texture as the following list summarizes:
// Diffuse: texture_diffuseN
// Specular: texture_specularN
// Normal: texture_normalN
// 1. Diffuse maps
List <Texture> diffuseMaps = this.loadMaterialTextures(material, TextureType.Diffuse, "texture_diffuse");
textures.InsertRange(textures.Count, diffuseMaps);
// 2. Specular maps
List <Texture> specularMaps = this.loadMaterialTextures(material, TextureType.Specular, "texture_specular");
textures.InsertRange(textures.Count, specularMaps);
}
// Return a mesh object created from the extracted mesh data
return(new Mesh(vertices, indices, textures));
}
/// <summary>
/// internal.
/// </summary>
internal static Drawing3d.Material ConvertMaterial(Assimp.Material AMAterial)
{
return(new Drawing3d.Material(AMAterial.Name, ConvertColor(AMAterial.ColorAmbient), ConvertColor(AMAterial.ColorDiffuse), ConvertColor(AMAterial.ColorSpecular), ConvertColor(AMAterial.ColorEmissive), AMAterial.Shininess, AMAterial.Opacity));
}
private static Material ConvertMaterialAndTextures(Ai.Material aiMaterial, ModelPackConverterOptions options, string baseDirectoryPath, TextureDictionary textureDictionary)
{
// Convert all textures
TextureInfo diffuseTexture = null;
if (aiMaterial.HasTextureDiffuse)
{
diffuseTexture = ConvertTexture(aiMaterial.TextureDiffuse, baseDirectoryPath);
}
TextureInfo lightmapTexture = null;
if (aiMaterial.HasTextureLightMap)
{
lightmapTexture = ConvertTexture(aiMaterial.TextureLightMap, baseDirectoryPath);
}
TextureInfo displacementTexture = null;
if (aiMaterial.HasTextureDisplacement)
{
displacementTexture = ConvertTexture(aiMaterial.TextureDisplacement, baseDirectoryPath);
}
TextureInfo opacityTexture = null;
if (aiMaterial.HasTextureOpacity)
{
opacityTexture = ConvertTexture(aiMaterial.TextureOpacity, baseDirectoryPath);
}
TextureInfo normalTexture = null;
if (aiMaterial.HasTextureNormal)
{
normalTexture = ConvertTexture(aiMaterial.TextureNormal, baseDirectoryPath);
}
TextureInfo heightTexture = null;
if (aiMaterial.HasTextureHeight)
{
heightTexture = ConvertTexture(aiMaterial.TextureHeight, baseDirectoryPath);
}
TextureInfo emissiveTexture = null;
if (aiMaterial.HasTextureEmissive)
{
emissiveTexture = ConvertTexture(aiMaterial.TextureEmissive, baseDirectoryPath);
}
TextureInfo ambientTexture = null;
if (aiMaterial.HasTextureAmbient)
{
ambientTexture = ConvertTexture(aiMaterial.TextureAmbient, baseDirectoryPath);
}
TextureInfo specularTexture = null;
if (aiMaterial.HasTextureSpecular)
{
specularTexture = ConvertTexture(aiMaterial.TextureSpecular, baseDirectoryPath);
}
TextureInfo reflectionTexture = null;
if (aiMaterial.HasTextureReflection)
{
reflectionTexture = ConvertTexture(aiMaterial.TextureReflection, baseDirectoryPath);
}
// Convert material
Material material = null;
string materialName = AssimpConverterCommon.UnescapeName(aiMaterial.Name);
switch (options.MaterialPreset)
{
case MaterialPreset.FieldTerrain:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateFieldTerrainMaterial(materialName, diffuseTexture.Name, HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.FieldTerrainVertexColors:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateFieldTerrainVertexColorsMaterial(materialName, diffuseTexture.Name, HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.FieldTerrainCastShadow:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateFieldTerrainCastShadowMaterial(materialName, diffuseTexture.Name, HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.CharacterSkinP5:
case MaterialPreset.CharacterSkinFB:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
string shadowTextureName = diffuseTexture.Name;
if (ambientTexture != null)
{
textureDictionary.Add(ambientTexture.Texture);
shadowTextureName = ambientTexture.Name;
}
// TODO: transparency
var hasTransparency = HasAlpha(diffuseTexture.PixelFormat);
if (options.MaterialPreset == MaterialPreset.CharacterSkinP5)
{
material = MaterialFactory.CreateCharacterSkinP5Material(materialName, diffuseTexture.Name, shadowTextureName,
hasTransparency);
}
else
{
material = MaterialFactory.CreateCharacterSkinFBMaterial(materialName, diffuseTexture.Name, shadowTextureName,
hasTransparency);
}
}
}
break;
case MaterialPreset.PersonaSkinP5:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
string shadowTextureName = diffuseTexture.Name;
string specularTextureName = diffuseTexture.Name;
if (ambientTexture != null)
{
textureDictionary.Add(ambientTexture.Texture);
shadowTextureName = ambientTexture.Name;
}
if (specularTexture != null)
{
textureDictionary.Add(specularTexture.Texture);
specularTextureName = specularTexture.Name;
}
material = MaterialFactory.CreatePersonaSkinP5Material(materialName, diffuseTexture.Name, specularTextureName, shadowTextureName);
}
}
break;
case MaterialPreset.CharacterClothP4D:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateCharacterClothP4DMaterial(materialName, diffuseTexture.Name,
HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
case MaterialPreset.CharacterSkinP3DP5D:
{
if (diffuseTexture != null)
{
textureDictionary.Add(diffuseTexture.Texture);
material = MaterialFactory.CreateCharacterSkinP3DP5DMaterial(materialName, diffuseTexture.Name,
HasAlpha(diffuseTexture.PixelFormat));
}
}
break;
}
// Create dummy material if none was created
if (material == null)
{
material = new Material(materialName);
}
return(material);
}
/// <summary>
/// Clone a given material subject to a texture path remapping
/// </summary>
/// <param name="mat"></param>
/// <param name="textureMapping"></param>
/// <returns></returns>
private static Material CloneMaterial(Material mat, Dictionary<string, string> textureMapping)
{
Debug.Assert(mat != null);
Debug.Assert(textureMapping != null);
var matOut = new Material();
foreach (var prop in mat.GetAllProperties())
{
var propOut = prop;
if (prop.PropertyType == PropertyType.String && textureMapping.ContainsKey(prop.GetStringValue()))
{
propOut = new MaterialProperty {PropertyType = PropertyType.String, Name = prop.Name};
propOut.TextureIndex = prop.TextureIndex;
propOut.TextureType = prop.TextureType;
propOut.SetStringValue(textureMapping[prop.GetStringValue()]);
}
matOut.AddProperty(propOut);
}
return matOut;
}
protected Graphics.Material createMaterial(Assimp.Material am)
{
Graphics.Material mat = new Material(am.Name);
mat.myFeatures |= Material.Feature.Lighting;
if (am.HasColorAmbient)
{
mat.ambient = toColor(am.ColorAmbient);
}
if (am.HasColorDiffuse)
{
mat.diffuse = toColor(am.ColorDiffuse);
}
if (am.HasColorSpecular)
{
mat.spec = toColor(am.ColorSpecular);
}
if (am.HasShininess)
{
mat.shininess = am.Shininess;
}
if (am.HasOpacity)
{
mat.alpha = am.Opacity;
}
if (am.HasTextureAmbient)
{
Texture t = getTexture(am.TextureAmbient.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("ambientMap", t));
}
}
if (am.HasTextureDiffuse)
{
Texture t = getTexture(am.TextureDiffuse.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("diffuseMap", t));
mat.myFeatures |= Material.Feature.DiffuseMap;
mat.hasTransparency = t.hasAlpha;
}
}
if (am.HasTextureSpecular)
{
Texture t = getTexture(am.TextureSpecular.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("specularMap", t));
mat.myFeatures |= Material.Feature.SpecMap;
}
}
if (am.HasTextureNormal)
{
Texture t = getTexture(am.TextureNormal.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("normalMap", t));
mat.myFeatures |= Material.Feature.NormalMap;
}
}
if (am.HasTextureDisplacement)
{
Texture t = getTexture(am.TextureDisplacement.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("displaceMap", t));
mat.myFeatures |= Material.Feature.DisplacementMap;
}
}
if (am.HasTextureEmissive)
{
Texture t = getTexture(am.TextureEmissive.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("emissiveMap", t));
mat.myFeatures |= Material.Feature.EmmissiveMap;
}
}
if (am.HasTextureOpacity)
{
Texture t = getTexture(am.TextureOpacity.FilePath);
if (t != null)
{
mat.addAttribute(new TextureAttribute("alphaMap", t));
mat.myFeatures |= Material.Feature.AlphaMap;
}
}
return(mat);
}
/// <summary>
/// Constructs a new Scene.
/// </summary>
/// <param name="scene">Unmanaged AiScene struct.</param>
internal Scene(AiScene scene)
{
_flags = scene.Flags;
//Read materials
if(scene.NumMaterials > 0 && scene.Materials != IntPtr.Zero) {
AiMaterial[] materials = MemoryHelper.MarshalArray<AiMaterial>(scene.Materials, (int) scene.NumMaterials, true);
_materials = new Material[materials.Length];
for(int i = 0; i < _materials.Length; i++) {
_materials[i] = new Material(materials[i]);
}
}
//Read scenegraph
if(scene.RootNode != IntPtr.Zero) {
_rootNode = new Node(MemoryHelper.MarshalStructure<AiNode>(scene.RootNode), null);
}
//Read meshes
if(scene.NumMeshes > 0 && scene.Meshes != IntPtr.Zero) {
AiMesh[] meshes = MemoryHelper.MarshalArray<AiMesh>(scene.Meshes, (int) scene.NumMeshes, true);
_meshes = new Mesh[meshes.Length];
for(int i = 0; i < _meshes.Length; i++) {
_meshes[i] = new Mesh(meshes[i]);
}
}
//Read lights
if(scene.NumLights > 0 && scene.Lights != IntPtr.Zero) {
AiLight[] lights = MemoryHelper.MarshalArray<AiLight>(scene.Lights, (int) scene.NumLights, true);
_lights = new Light[lights.Length];
for(int i = 0; i < _lights.Length; i++) {
_lights[i] = new Light(lights[i]);
}
}
//Read cameras
if(scene.NumCameras > 0 && scene.Cameras != IntPtr.Zero) {
AiCamera[] cameras = MemoryHelper.MarshalArray<AiCamera>(scene.Cameras, (int) scene.NumCameras, true);
_cameras = new Camera[cameras.Length];
for(int i = 0; i < _cameras.Length; i++) {
_cameras[i] = new Camera(cameras[i]);
}
}
//Read Textures
if(scene.NumTextures > 0 && scene.Textures != IntPtr.Zero) {
AiTexture[] textures = MemoryHelper.MarshalArray<AiTexture>(scene.Textures, (int) scene.NumTextures, true);
_textures = new Texture[textures.Length];
for(int i = 0; i < _textures.Length; i++) {
_textures[i] = Texture.CreateTexture(textures[i]);
}
}
//Read animations
if(scene.NumAnimations > 0 && scene.Animations != IntPtr.Zero) {
AiAnimation[] animations = MemoryHelper.MarshalArray<AiAnimation>(scene.Animations, (int) scene.NumAnimations, true);
_animations = new Animation[animations.Length];
for(int i = 0; i < _animations.Length; i++) {
_animations[i] = new Animation(animations[i]);
}
}
}
public abstract void ApplyGhostMaterial(Mesh mesh, Material material, bool shaded);
private PhysicallyBasedMaterial CreatePbrMaterial(AssimpMaterial assimpMaterial, string filePath, string customTexturesFolder, bool useStrictFileNameMatch, bool supportDDSTextures)
{
PhysicallyBasedMaterial physicallyBasedMaterial;
if (_dxMaterials.TryGetValue(assimpMaterial, out physicallyBasedMaterial))
{
Log($" Material: {assimpMaterial.Name ?? ""} (already defined)");
return(physicallyBasedMaterial);
}
if (!assimpMaterial.HasTextureDiffuse)
{
Log($" Material {assimpMaterial.Name ?? ""} does not define a diffuse texture");
return(null);
}
Log($" Material {assimpMaterial.Name ?? ""}:");
//PhysicallyBasedMaterial physicallyBasedMaterial;
string diffuseTextureFileName = assimpMaterial.TextureDiffuse.FilePath;
if (!string.IsNullOrEmpty(customTexturesFolder))
{
diffuseTextureFileName = System.IO.Path.Combine(customTexturesFolder, System.IO.Path.GetFileName(diffuseTextureFileName));
}
else if (!System.IO.Path.IsPathRooted(diffuseTextureFileName))
{
diffuseTextureFileName = System.IO.Path.Combine(filePath, diffuseTextureFileName);
}
string folderName = System.IO.Path.GetDirectoryName(diffuseTextureFileName);
if (!System.IO.Directory.Exists(folderName))
{
Log($" Folder for diffuse texture does not exist: {folderName ?? ""}:");
return(null);
}
if (_folderImageFiles == null)
{
_folderImageFiles = new Dictionary <string, string[]>();
}
string[] allFilesInFolder;
if (!_folderImageFiles.TryGetValue(folderName, out allFilesInFolder))
{
allFilesInFolder = System.IO.Directory.GetFiles(folderName, "*.*", SearchOption.TopDirectoryOnly);
_folderImageFiles.Add(folderName, allFilesInFolder);
}
string fileNameWithoutKnownSuffix = KnownTextureFiles.GetFileNameWithoutKnownSuffix(diffuseTextureFileName);
// Get material files that start with the diffuse texture file name without a suffix
List <string> materialFiles;
if (useStrictFileNameMatch)
{
materialFiles = allFilesInFolder.Where(f => fileNameWithoutKnownSuffix == KnownTextureFiles.GetFileNameWithoutKnownSuffix(f)).ToList();
}
else
{
materialFiles = allFilesInFolder.Where(f => f.IndexOf(fileNameWithoutKnownSuffix, 0, StringComparison.OrdinalIgnoreCase) != -1).ToList();
}
_textureFiles.Clear();
if (materialFiles.Count == 0)
{
Log($" Folder ({folderName}) for {assimpMaterial.Name ?? ""} material does not define any texture files");
return(null);
}
else
{
bool hasDiffuseTexture = false;
foreach (var materialFile in materialFiles)
{
if (!TextureLoader.IsSupportedFile(materialFile, supportDDSTextures)) // Skip unsupported files
{
continue;
}
var textureMapType = KnownTextureFiles.GetTextureType(materialFile);
if (textureMapType == TextureMapTypes.Unknown)
{
if (!hasDiffuseTexture)
{
textureMapType = TextureMapTypes.DiffuseColor; // First unknown file type is considered to be diffuse texture file
}
else
{
continue; // Unknown file type
}
}
bool isDiffuseTexture = (textureMapType == TextureMapTypes.DiffuseColor ||
textureMapType == TextureMapTypes.Albedo ||
textureMapType == TextureMapTypes.BaseColor);
string existingTextureFileName;
if (_textureFiles.TryGetValue(textureMapType, out existingTextureFileName))
{
// Map for this texture type already exist
var existingFileExtension = System.IO.Path.GetExtension(existingTextureFileName);
if (existingFileExtension != null && existingFileExtension.Equals(".dds", StringComparison.OrdinalIgnoreCase))
{
continue; // DDS texture already found for this texture type - we will use existing dds texture
}
}
hasDiffuseTexture |= isDiffuseTexture;
_textureFiles.Add(textureMapType, materialFile);
Log(" " + textureMapType + ": " + System.IO.Path.GetFileName(materialFile));
}
if (_textureFiles.Count > 0)
{
physicallyBasedMaterial = new PhysicallyBasedMaterial();
foreach (var oneTextureFile in _textureFiles)
{
var textureType = oneTextureFile.Key;
var oneFileName = oneTextureFile.Value;
ShaderResourceView shaderResourceView;
if (!_texturesCache.TryGetValue(oneFileName, out shaderResourceView))
{
var convertTo32bppPRGBA = (textureType == TextureMapTypes.BaseColor ||
textureType == TextureMapTypes.Albedo ||
textureType == TextureMapTypes.DiffuseColor);
shaderResourceView = Ab3d.DirectX.TextureLoader.LoadShaderResourceView(MainDXViewportView.DXScene.DXDevice.Device, oneFileName, loadDdsIfPresent: false, convertTo32bppPRGBA: convertTo32bppPRGBA);
physicallyBasedMaterial.TextureMaps.Add(new TextureMapInfo((Ab3d.DirectX.Materials.TextureMapTypes)textureType, shaderResourceView, null, oneFileName));
_texturesCache.Add(oneFileName, shaderResourceView);
}
}
_dxMaterials.Add(assimpMaterial, physicallyBasedMaterial);
_disposables.Add(physicallyBasedMaterial);
}
}
return(physicallyBasedMaterial);
}
public void ExportMesh(GameObject go, string path)
{
Vector3 lastPos = go.transform.position;
go.transform.position = Vector3.zero;
Scene scene = new Scene();
List <string> sameNames = new List <string>();
List <Transform> children = new List <Transform>();
Dictionary <Transform, Node> nodesByTransform = new Dictionary <Transform, Node>();
GetAllChildren(children, go.transform);
foreach (Transform child in children)
{
string nname = child.name;
if (sameNames.Contains(nname))
{
nname += "_";
}
else
{
sameNames.Add(nname);
}
Node node = new Node(nname);
UnityEngine.Matrix4x4 m = child.localToWorldMatrix.inverse;
node.Transform = new Assimp.Matrix4x4(
m.m00, m.m01, m.m02, m.m03,
m.m10, m.m11, m.m12, m.m13,
m.m20, m.m21, m.m22, m.m23,
m.m30, m.m31, m.m32, m.m33
);
nodesByTransform.Add(child, node);
if (child == go.transform)
{
Node rootNode = new Node(Path.GetFileNameWithoutExtension(path));
rootNode.Children.Add(node);
scene.RootNode = rootNode;
}
}
foreach (Transform child in children)
{
foreach (Transform c in child)
{
if (child == go.transform)
{
scene.RootNode.Children.Add(nodesByTransform[c]);
}
else
{
nodesByTransform[child].Children.Add(nodesByTransform[c]);
}
}
}
sameNames.Clear();
MeshFilter[] mfs = go.GetComponentsInChildren <MeshFilter>();
SkinnedMeshRenderer[] smrs = go.GetComponentsInChildren <SkinnedMeshRenderer>();
int meshIndex = 0;
foreach (var mf in mfs)
{
PdxShape shape = mf.GetComponent <PdxShape>();
Assimp.Material mat = new Assimp.Material();
mat.Name = shape.shader;
TextureSlot diff = new TextureSlot();
diff.FilePath = shape.diffuse;
diff.TextureType = TextureType.Diffuse;
diff.UVIndex = 0;
//mat.TextureDiffuse = diff;
mat.AddMaterialTexture(ref diff);
TextureSlot norm = new TextureSlot();
norm.FilePath = shape.normal;
norm.TextureType = TextureType.Normals;
norm.UVIndex = 0;
//mat.TextureNormal = norm;
mat.AddMaterialTexture(ref norm);
TextureSlot spec = new TextureSlot();
spec.FilePath = shape.specular;
spec.TextureType = TextureType.Specular;
spec.UVIndex = 0;
//mat.TextureSpecular = spec;
mat.AddMaterialTexture(ref spec);
scene.Materials.Add(mat);
Assimp.Mesh am = null;
am = FromUnityMesh(mf.mesh, "pShape" + meshIndex, go.transform);
if (sameNames.Contains(am.Name))
{
am.Name += "_";
}
else
{
sameNames.Add(am.Name);
}
am.MaterialIndex = meshIndex;
scene.Meshes.Add(am);
nodesByTransform[mf.transform].MeshIndices.Add(meshIndex);
meshIndex++;
}
foreach (var smr in smrs)
{
PdxShape shape = smr.GetComponent <PdxShape>();
Assimp.Material mat = new Assimp.Material();
mat.Name = shape.shader;
TextureSlot diff = new TextureSlot();
diff.FilePath = shape.diffuse;
diff.TextureType = TextureType.Diffuse;
diff.UVIndex = 0;
//mat.TextureDiffuse = diff;
mat.AddMaterialTexture(ref diff);
TextureSlot norm = new TextureSlot();
norm.FilePath = shape.normal;
norm.TextureType = TextureType.Normals;
norm.UVIndex = 0;
//mat.TextureNormal = norm;
mat.AddMaterialTexture(ref norm);
TextureSlot spec = new TextureSlot();
spec.FilePath = shape.specular;
spec.TextureType = TextureType.Specular;
spec.UVIndex = 0;
//mat.TextureSpecular = spec;
mat.AddMaterialTexture(ref spec);
scene.Materials.Add(mat);
Assimp.Mesh am = null;
UnityEngine.Mesh baked = new UnityEngine.Mesh();
smr.BakeMesh(baked);
am = FromUnityMesh(baked /*smr.sharedMesh*/, "pShape" + meshIndex, go.transform);
if (sameNames.Contains(am.Name))
{
am.Name += "_";
}
else
{
sameNames.Add(am.Name);
}
am.MaterialIndex = meshIndex;
scene.Meshes.Add(am);
nodesByTransform[smr.transform].MeshIndices.Add(meshIndex);
meshIndex++;
}
AssimpContext context = new AssimpContext();
bool result = context.ExportFile(scene, path, "obj", PostProcessSteps.MakeLeftHanded | PostProcessSteps.FlipWindingOrder);
context.Dispose();
go.transform.position = lastPos;
if (result)
{
EditorController.instance.Status("Object saved as " + path);
}
else
{
EditorController.instance.Status("Export failed :(", 2);
}
}
public override void ApplyGhostMaterial(Mesh mesh, Material material, bool shaded)
{
}
public override void ApplyGhostMaterial(Mesh mesh, Material material, bool shaded)
{
ApplyFixedFunctionGhostMaterial(mesh, material, shaded);
}
private void _initMaterials(Scene scene)
{
// Initialize the matrials
for (int i = 0; i < scene.MeshCount; i++)
{
Assimp.Material material = scene.Materials[scene.Meshes[i].MaterialIndex];
_materials[i] = new Material();
if (material.HasBlendMode)
{
_materials[i].HasBlendMode = true;
_materials[i].BlendMode = (Material.MaterialBlendMode)material.BlendMode;
}
if (material.HasBumpScaling)
{
_materials[i].HasBumpScaling = true;
_materials[i].BumpScaling = material.BumpScaling;
}
if (material.HasColorAmbient)
{
_materials[i].HasColorAmbient = true;
_materials[i].ColorAmbient = new Color4(material.ColorAmbient.R, material.ColorAmbient.G, material.ColorAmbient.B, material.ColorAmbient.A);
}
if (material.HasColorDiffuse)
{
_materials[i].HasColorDiffuse = true;
_materials[i].ColorDiffuse = new Color4(material.ColorDiffuse.R, material.ColorDiffuse.G, material.ColorDiffuse.B, material.ColorDiffuse.A);
}
if (material.HasColorEmissive)
{
_materials[i].HasColorEmissive = true;
_materials[i].ColorEmissive = new Color4(material.ColorEmissive.R, material.ColorEmissive.G, material.ColorEmissive.B, material.ColorEmissive.A);
}
if (material.HasColorReflective)
{
_materials[i].HasColorReflective = true;
_materials[i].ColorReflective = new Color4(material.ColorReflective.R, material.ColorReflective.G, material.ColorReflective.B, material.ColorReflective.A);
}
if (material.HasColorSpecular)
{
_materials[i].HasColorSpecular = true;
_materials[i].ColorSpecular = new Color4(material.ColorSpecular.R, material.ColorSpecular.G, material.ColorSpecular.B, material.ColorSpecular.A);
}
if (material.HasColorTransparent)
{
_materials[i].HasColorTransparent = true;
_materials[i].ColorTransparent = new Color4(material.ColorTransparent.R, material.ColorTransparent.G, material.ColorTransparent.B, material.ColorTransparent.A);
}
if (material.HasTextureAmbient)
{
_materials[i].HasTextureAmbient = true;
_materials[i].TextureAmbient = new Texture(_getTextureFullPath(material.TextureAmbient), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureDiffuse)
{
_materials[i].HasTextureDiffuse = true;
_materials[i].TextureDiffuse = new Texture(_getTextureFullPath(material.TextureDiffuse), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureDisplacement)
{
_materials[i].HasTextureDisplacement = true;
_materials[i].TextureDisplacement = new Texture(_getTextureFullPath(material.TextureDisplacement), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureEmissive)
{
_materials[i].HasTextureEmissive = true;
_materials[i].TextureEmissive = new Texture(_getTextureFullPath(material.TextureEmissive), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureHeight)
{
_materials[i].HasTextureHeight = true;
_materials[i].TextureHeight = new Texture(_getTextureFullPath(material.TextureHeight), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureLightMap)
{
_materials[i].HasTextureLightMap = true;
_materials[i].TextureLightMap = new Texture(_getTextureFullPath(material.TextureLightMap), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureNormal)
{
_materials[i].HasTextureNormal = true;
_materials[i].TextureNormal = new Texture(_getTextureFullPath(material.TextureNormal), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureOpacity)
{
_materials[i].HasTextureOpacity = true;
_materials[i].TextureOpacity = new Texture(_getTextureFullPath(material.TextureOpacity), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureReflection)
{
_materials[i].HasTextureReflection = true;
_materials[i].TextureReflection = new Texture(_getTextureFullPath(material.TextureReflection), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasTextureSpecular)
{
_materials[i].HasTextureSpecular = true;
_materials[i].TextureSpecular = new Texture(_getTextureFullPath(material.TextureSpecular), Core.Graphics.OpenGL.TextureTarget.Texture2D);
}
if (material.HasName)
{
_materials[i].HasName = true;
_materials[i].Name = material.Name;
}
if (material.HasOpacity)
{
_materials[i].HasOpacity = true;
_materials[i].Opacity = material.Opacity;
}
if (material.HasReflectivity)
{
_materials[i].HasReflectivity = true;
_materials[i].Reflectivity = material.Reflectivity;
}
if (material.HasShadingMode)
{
_materials[i].HasShadingMode = true;
_materials[i].ShadingMode = (Material.MaterialShadingMode)material.ShadingMode;
}
if (material.HasShininess)
{
_materials[i].HasShininess = true;
_materials[i].Shininess = material.Shininess;
}
if (material.HasShininessStrength)
{
_materials[i].HasShininessStrength = true;
_materials[i].ShininessStrength = material.ShininessStrength;
}
if (material.HasTwoSided)
{
_materials[i].HasTwoSided = true;
_materials[i].IsTwoSided = material.IsTwoSided;
}
if (material.HasWireFrame)
{
_materials[i].HasWireFrame = true;
_materials[i].IsWireFrameEnabled = material.IsWireFrameEnabled;
}
_materials[i].PropertyCount = material.PropertyCount;
_materials[i].ShaderProgram = new AlienEngine.Shaders.DiffuseShaderProgram();
}
}
public GameObject LoadMesh(string path)
{
AssimpContext context = new AssimpContext();
Scene scene = context.ImportFile(path, PostProcessSteps.MakeLeftHanded | PostProcessSteps.FlipWindingOrder);
if (!scene.HasMeshes)
{
return(null);
}
List <UnityEngine.Material> snow = new List <UnityEngine.Material>();
List <UnityEngine.Material> color = new List <UnityEngine.Material>();
List <UnityEngine.Material> atlas = new List <UnityEngine.Material>();
Dictionary <string, Transform> bonesByName = new Dictionary <string, Transform>();
GameObject goRoot = new GameObject(Path.GetFileName(path));
float min = 0;
int idx = 0;
foreach (Assimp.Mesh sceneMesh in scene.Meshes)
{
GameObject go = new GameObject("pShape" + idx);
go.tag = "Shape";
bool skinned = false;
UnityEngine.Mesh mesh = new UnityEngine.Mesh();
mesh.name = "pMeshShape" + idx;
idx++;
List <Vector3> vertices = new List <Vector3>();
List <Vector3> normals = new List <Vector3>();
List <Vector2> uv = new List <Vector2>();
List <Vector2> uv2 = null;
List <BoneWeight> boneWeights = new List <BoneWeight>();
Transform[] bones = null;
foreach (var sceneVertex in sceneMesh.Vertices)
{
vertices.Add(new Vector3(sceneVertex.X, sceneVertex.Y, sceneVertex.Z));
}
foreach (var sceneNormal in sceneMesh.Normals)
{
normals.Add(new Vector3(sceneNormal.X, sceneNormal.Y, sceneNormal.Z));
}
foreach (var sceneUV in sceneMesh.TextureCoordinateChannels[0])
{
uv.Add(new Vector2(sceneUV.X, 1f - sceneUV.Y));
}
if (sceneMesh.TextureCoordinateChannelCount > 1)
{
uv2 = new List <Vector2>();
foreach (var sceneUV2 in sceneMesh.TextureCoordinateChannels[1])
{
uv2.Add(new Vector2(sceneUV2.X, 1f - sceneUV2.Y));
}
}
Transform rootBone = null;
if (sceneMesh.HasBones)
{
for (int j = 0; j < sceneMesh.VertexCount; j++)
{
boneWeights.Add(new BoneWeight());
}
skinned = true;
bones = new Transform[sceneMesh.BoneCount];
int boneIndex = 0;
foreach (var sceneBone in sceneMesh.Bones)
{
GameObject bone = new GameObject(sceneBone.Name);
bone.tag = "Bone";
UnityEngine.Matrix4x4 matrix = new UnityEngine.Matrix4x4();
matrix.SetRow(0, new Vector4(sceneBone.OffsetMatrix.A1, sceneBone.OffsetMatrix.A2, sceneBone.OffsetMatrix.A3, sceneBone.OffsetMatrix.A4));
matrix.SetRow(1, new Vector4(sceneBone.OffsetMatrix.B1, sceneBone.OffsetMatrix.B2, sceneBone.OffsetMatrix.B3, sceneBone.OffsetMatrix.B4));
matrix.SetRow(2, new Vector4(sceneBone.OffsetMatrix.C1, sceneBone.OffsetMatrix.C2, sceneBone.OffsetMatrix.C3, sceneBone.OffsetMatrix.C4));
matrix.SetRow(3, new Vector4(sceneBone.OffsetMatrix.D1, sceneBone.OffsetMatrix.D2, sceneBone.OffsetMatrix.D3, sceneBone.OffsetMatrix.D4));
bone.transform.FromMatrix(matrix.inverse);
bonesByName[bone.name] = bone.transform;
bones[boneIndex] = bone.transform;
if (sceneBone.HasVertexWeights)
{
for (int i = 0; i < sceneBone.VertexWeights.Count; i++)
{
BoneWeight bw = boneWeights[sceneBone.VertexWeights[i].VertexID];
if (bw.boneIndex0 == 0 && bw.weight0 == 0)
{
bw.boneIndex0 = boneIndex; bw.weight0 = sceneBone.VertexWeights[i].Weight;
}
else if (bw.boneIndex1 == 0 && bw.weight1 == 0)
{
bw.boneIndex1 = boneIndex; bw.weight1 = sceneBone.VertexWeights[i].Weight;
}
else if (bw.boneIndex2 == 0 && bw.weight2 == 0)
{
bw.boneIndex2 = boneIndex; bw.weight2 = sceneBone.VertexWeights[i].Weight;
}
else if (bw.boneIndex3 == 0 && bw.weight3 == 0)
{
bw.boneIndex3 = boneIndex; bw.weight3 = sceneBone.VertexWeights[i].Weight;
}
/*if (bw.weight0 < 0.0011f) bw.weight0 = 0f;
* if (bw.weight1 < 0.0011f) bw.weight1 = 0f;
* if (bw.weight2 < 0.0011f) bw.weight2 = 0f;
* if (bw.weight3 < 0.0011f) bw.weight3 = 0f;*/
boneWeights[sceneBone.VertexWeights[i].VertexID] = bw;
}
}
boneIndex++;
}
foreach (var bone in bonesByName)
{
if (bone.Key.ToLower().Equals("root"))
{
rootBone = bone.Value;
}
string parent = "";
FindParentInHierarchy(bone.Key, scene.RootNode, out parent);
if (parent.Length > 0 && bonesByName.ContainsKey(parent))
{
bone.Value.SetParent(bonesByName[parent]);
}
else
{
bone.Value.SetParent(goRoot.transform);
}
}
}
UnityEngine.Matrix4x4[] bindposes = null;
if (bones != null)
{
bindposes = new UnityEngine.Matrix4x4[bones.Length];
for (int b = 0; b < bones.Length; b++)
{
bindposes[b] = bones[b].worldToLocalMatrix * go.transform.localToWorldMatrix;
}
}
mesh.vertices = vertices.ToArray();
mesh.normals = normals.ToArray();
mesh.triangles = sceneMesh.GetIndices();
mesh.uv = uv.ToArray();
mesh.RecalculateBounds();
mesh.RecalculateTangents();
if (min < mesh.bounds.max.z)
{
min = mesh.bounds.max.z;
}
//print(mesh.bounds.min.ToString());
//print(mesh.bounds.max.ToString());
PdxShape shape = go.AddComponent <PdxShape>();
Assimp.Material _mat = scene.Materials[sceneMesh.MaterialIndex];
//print(_mat.Name);
Shader shader = Shader.Find("PDX/" + _mat.Name);
shape.shader = _mat.Name;
if (shader == null)
{
shader = Shader.Find("PDX/PdxMeshStandard");
shape.shader = "PdxMeshStandard";
}
UnityEngine.Material mat = new UnityEngine.Material(shader);
bool collision = false;
switch (shape.shader)
{
case "Collision":
collision = true;
break;
case "PdxMeshSnow":
snow.Add(mat);
break;
case "PdxMeshColor":
color.Add(mat);
break;
case "PdxMeshTextureAtlas":
atlas.Add(mat);
mat.SetTexture("_Atlas", atlasExample);
break;
}
if (_mat.HasTextureDiffuse)
{
if (_mat.TextureDiffuse.FilePath.EndsWith(".dds"))
{
string texPath = _mat.TextureDiffuse.FilePath;
if (texPath[1] != ':')
{
texPath = Path.GetDirectoryName(path) + Path.DirectorySeparatorChar + _mat.TextureDiffuse.FilePath;
}
if (File.Exists(texPath))
{
shape.diffuse = texPath;
Texture2D tex = PdxLoader.LoadDDS(texPath);
tex.name = Path.GetFileName(texPath);
mat.SetTexture("_Diffuse", tex);
}
}
}
if (_mat.HasTextureHeight)
{
if (_mat.TextureHeight.FilePath.EndsWith(".dds"))
{
string texPath = _mat.TextureHeight.FilePath;
if (texPath[1] != ':')
{
texPath = Path.GetDirectoryName(path) + Path.DirectorySeparatorChar + _mat.TextureHeight.FilePath;
}
if (File.Exists(texPath))
{
shape.normal = texPath;
Texture2D tex = PdxLoader.LoadDDS(texPath);
tex.name = Path.GetFileName(texPath);
mat.SetTexture("_Normal", tex);
}
}
}
if (_mat.HasTextureSpecular)
{
if (_mat.TextureSpecular.FilePath.EndsWith(".dds"))
{
string texPath = _mat.TextureSpecular.FilePath;
if (texPath[1] != ':')
{
texPath = Path.GetDirectoryName(path) + Path.DirectorySeparatorChar + _mat.TextureSpecular.FilePath;
}
if (File.Exists(texPath))
{
shape.specular = texPath;
Texture2D tex = PdxLoader.LoadDDS(texPath);
tex.name = Path.GetFileName(texPath);
mat.SetTexture("_Specular", tex);
}
}
}
if (skinned)
{
SkinnedMeshRenderer smr = go.AddComponent <SkinnedMeshRenderer>();
smr.bones = bones;
smr.rootBone = rootBone;
mesh.bindposes = bindposes;
mesh.boneWeights = boneWeights.ToArray();
smr.sharedMesh = mesh;
if (collision)
{
smr.sharedMaterial = mat;
}
else
{
smr.sharedMaterials = new UnityEngine.Material[] { mat, highlightMaterial }
};
shape.smr = smr;
}
else
{
MeshFilter mf = go.AddComponent <MeshFilter>();
mf.mesh = mesh;
MeshRenderer mr = go.AddComponent <MeshRenderer>();
if (collision)
{
mr.sharedMaterial = mat;
}
else
{
mr.sharedMaterials = new UnityEngine.Material[] { mat, highlightMaterial }
};
shape.mr = mr;
}
go.transform.SetParent(goRoot.transform);
}
#region import animation
foreach (var a in scene.Animations)
{
if ((int)a.TicksPerSecond == 1)
{
EditorController.instance.Status("Can't load animation with custom frame rate", 1);
break;
}
bool resampled = false;
if (a.HasNodeAnimations)
{
PdxDataService.AnimationData adata = new PdxDataService.AnimationData();
#if UNITY_EDITOR
print("fps: " + a.TicksPerSecond + ", duration: " + a.DurationInTicks);
#endif
adata.fps = 15;// (float)a.TicksPerSecond;
adata.sampleCount = (int)a.DurationInTicks;
adata.length = adata.sampleCount / adata.fps;
foreach (var nac in a.NodeAnimationChannels)
{
resampled = nac.PositionKeyCount == adata.sampleCount + 1 || nac.RotationKeyCount == adata.sampleCount + 1 || nac.ScalingKeyCount == adata.sampleCount + 1;
if (resampled)
{
break;
}
}
#if UNITY_EDITOR
print("resampled " + resampled);
#endif
foreach (var nac in a.NodeAnimationChannels)
{
if (!bonesByName.ContainsKey(nac.NodeName))
{
continue;
}
var animation = new PdxDataService.AnimationData.Animation();
animation.name = nac.NodeName;
animation.parent = bonesByName[nac.NodeName];
animation.keys = new List <PdxDataService.AnimationData.Key>();
for (int i = 0; i < adata.sampleCount + 1; i++)
{
animation.keys.Add(new PdxDataService.AnimationData.Key());
}
animation.keys[0].pos = animation.parent.transform.localPosition;
animation.keys[0].rot = animation.parent.transform.localRotation;
animation.keys[0].scl = animation.parent.transform.localScale;
//animation.sampleT = true; // or joint mistmatch error
if (nac.HasPositionKeys)
{
if (resampled)
{
foreach (var pk in nac.PositionKeys)
{
int i = (int)pk.Time + 1;
if (i >= animation.keys.Count)
{
break;
}
animation.keys[i].pos = new Vector3(pk.Value.X, pk.Value.Y, pk.Value.Z);
animation.keys[i].time = (float)pk.Time / (float)adata.fps;
}
}
else
{
List <VectorKey> posKeys = nac.PositionKeys;
if (ListVectorKey(ref posKeys, adata.sampleCount))
{
animation.sampleT = true;
foreach (var pk in posKeys)
{
int i = (int)pk.Time + 1;
if (i >= animation.keys.Count)
{
break;
}
animation.keys[i].pos = new Vector3(pk.Value.X, pk.Value.Y, pk.Value.Z);
animation.keys[i].time = (float)pk.Time / (float)adata.fps;
}
}
}
}
if (nac.HasRotationKeys)
{
if (resampled)
{
foreach (var rk in nac.RotationKeys)
{
int i = (int)rk.Time + 1;
if (i >= animation.keys.Count)
{
break;
}
animation.keys[i].rot = new UnityEngine.Quaternion(rk.Value.X, rk.Value.Y, rk.Value.Z, rk.Value.W);
animation.keys[i].time = (float)rk.Time / (float)adata.fps;
}
}
else
{
List <QuaternionKey> rotKeys = nac.RotationKeys;
if (ListQuaternionKey(ref rotKeys, adata.sampleCount))
{
animation.sampleQ = true;
foreach (var rk in rotKeys)
{
int i = (int)rk.Time + 1;
if (i >= animation.keys.Count)
{
break;
}
animation.keys[i].rot = new UnityEngine.Quaternion(rk.Value.X, rk.Value.Y, rk.Value.Z, rk.Value.W);
animation.keys[i].time = (float)rk.Time / (float)adata.fps;
}
}
}
}
if (nac.HasScalingKeys)
{
if (resampled)
{
foreach (var sk in nac.ScalingKeys)
{
int i = (int)sk.Time + 1;
if (i >= animation.keys.Count)
{
break;
}
animation.keys[i].scl = new Vector3(sk.Value.X, sk.Value.Y, sk.Value.Z);
animation.keys[i].time = (float)sk.Time / (float)adata.fps;
}
}
else
{
List <VectorKey> sclKeys = nac.ScalingKeys;
if (ListVectorKey(ref sclKeys, adata.sampleCount))
{
animation.sampleS = true;
foreach (var sk in sclKeys)
{
int i = (int)sk.Time + 1;
if (i >= animation.keys.Count)
{
break;
}
animation.keys[i].scl = new Vector3(sk.Value.X, sk.Value.Y, sk.Value.Z);
animation.keys[i].time = (float)sk.Time / (float)adata.fps;
}
}
}
}
adata.hierarchy.Add(animation);
}
var player = goRoot.AddComponent <PdxAnimationPlayer>();
adata.Fix();
player.animationData = adata;
}
}
#endregion
EditorController.instance.SceneHasSnowMaterial(snow.Count > 0 ? snow.ToArray() : null);
EditorController.instance.SceneHasColorMaterial(color.Count > 0 ? color.ToArray() : null);
EditorController.instance.SceneHasAtlasMaterial(atlas.Count > 0 ? atlas.ToArray() : null);
if (!path.ToLower().EndsWith(".obj"))
{
goRoot.transform.Translate(0, min, 0, Space.World);
goRoot.transform.rotation = UnityEngine.Quaternion.Euler(90, 0, 0);
}
context.Dispose();
return(goRoot);
}
private SEAMaterial AppendMaterial(Scene scene, Material material)
{
int sIndex = GetIndexByTag(material);
if (sIndex != -1) return (SEAMaterial)Writer.Objects[sIndex];
SEAMaterial mat = new SEAMaterial(GetValidString(materials, material.Name));
mat.doubleSided = material.IsTwoSided;
mat.receiveLights = true;
mat.receiveShadows = true;
mat.receiveFog = true;
mat.repeat = true;
mat.alpha = material.Opacity;
//
// DEFAULT
//
PhongTech defaultTech = new PhongTech();
defaultTech.diffuseColor = ToInteger( material.ColorDiffuse );
defaultTech.specularColor = ToInteger( material.ColorSpecular );
defaultTech.specular = material.ShininessStrength;
defaultTech.gloss = material.Shininess;
mat.techniques.Add(defaultTech);
//
// DIFFUSE_MAP
//
if (material.HasTextureDiffuse)
{
SEAObject tex = AppendTextureFromSlot(scene, material.TextureDiffuse);
if (tex != null)
{
DiffuseMapTech tech = new DiffuseMapTech();
tech.texture = GetIndex(tex);
mat.techniques.Add(tech);
}
}
//
// SPECULAR_MAP
//
if (material.HasTextureSpecular)
{
SEAObject tex = AppendTextureFromSlot(scene, material.TextureSpecular);
if (tex != null)
{
SpecularMapTech tech = new SpecularMapTech();
tech.texture = GetIndex(tex);
mat.techniques.Add(tech);
}
}
//
// EMISSIVE_MAP
//
if (material.HasTextureAmbient || material.HasTextureEmissive)
{
SEAObject tex = AppendTextureFromSlot(scene, material.HasTextureAmbient ? material.TextureAmbient : material.TextureEmissive);
if (tex != null)
{
EmissiveMapTech tech = new EmissiveMapTech();
tech.texture = GetIndex(tex);
mat.techniques.Add(tech);
}
}
//
// NORMAL_MAP
//
if (material.HasTextureNormal)
{
SEAObject tex = AppendTextureFromSlot(scene, material.TextureNormal);
if (tex != null)
{
NormalMapTech tech = new NormalMapTech();
tech.texture = GetIndex(tex);
mat.techniques.Add(tech);
}
}
//
// OPACITY_MAP
//
if (material.HasTextureOpacity)
{
SEAObject tex = AppendTextureFromSlot(scene, material.TextureOpacity);
if (tex != null)
{
OpacityMapTech tech = new OpacityMapTech();
tech.texture = GetIndex(tex);
mat.techniques.Add(tech);
}
}
//
// REFLECTION_MAP
//
if (material.HasTextureReflection)
{
SEAObject tex = AppendTextureFromSlot(scene, material.TextureReflection);
if (tex != null)
{
ReflectionTech tech = new ReflectionTech();
tech.texture = GetIndex(tex);
tech.alpha = material.Reflectivity;
mat.techniques.Add(tech);
}
}
// --
mat.tag = material;
materials.Add(mat);
Writer.AddObject(mat);
return mat;
}
/// <summary> /// Applies a material to the Gl state machine. Depending on the renderer, /// this either sets GLSL shaders (GL3) or it configures the fixed function pipeline /// (legacy/classic). /// </summary> /// <param name="mesh">Mesh to be drawn. This parameter may be left null /// to use a material with geometry other than assimp meshes (i.e. /// for the material preview tab). In this case, it is assumed that /// the geometry to be used with the materials specifies normals, /// one set of UV coordinates but no vertex colors. /// TODO tangents, bitangents? /// </param> /// <param name="mat">Material to be applied, must be non-null</param> public abstract void ApplyMaterial(Mesh mesh, Material mat, bool textured, bool shaded);
/// <summary>
/// Primena razlicitih komponenti datog materijala (ambijentalna, difuzna, spekularna, emisiona, sjaj).
/// </summary>
/// <param name="material">Materijal cije ce karakteristike biti primenjene.</param>
private void ApplyMaterial(Material material)
{
// Primena ambijentalne komponente datog materijala. U slucaju da ista nije definisana, koristi se podrazumevana vrednost.
float[] ambientColor = material.HasColorAmbient ? new float[] { material.ColorAmbient.R, material.ColorAmbient.G, material.ColorAmbient.B, material.ColorAmbient.A } : new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
Gl.glMaterialfv(Gl.GL_FRONT_AND_BACK, Gl.GL_AMBIENT, ambientColor);
// Primena difuzne komponente datog materijala. U slucaju da ista nije definisana, koristi se podrazumevana vrednost.
float[] diffuseColor = material.HasColorDiffuse ? new float[] { material.ColorDiffuse.R, material.ColorDiffuse.G, material.ColorDiffuse.B, material.ColorDiffuse.A } : new float[] { 0.8f, 0.8f, 0.8f, 1.0f };
Gl.glMaterialfv(Gl.GL_FRONT_AND_BACK, Gl.GL_DIFFUSE, diffuseColor);
// Primena spekularne komponente datog materijala. U slucaju da ista nije definisana, koristi se podrazumevana vrednost.
float[] specularColor = material.HasColorSpecular ? new float[] { material.ColorSpecular.R, material.ColorSpecular.G, material.ColorSpecular.B, material.ColorSpecular.A } : new float[] { 0.0f, 0.0f, 0.0f, 1.0f };
Gl.glMaterialfv(Gl.GL_FRONT_AND_BACK, Gl.GL_SPECULAR, specularColor);
// Primena emisione komponente datog materijala. U slucaju da ista nije definisana, koristi se podrazumevana vrednost.
float[] emissiveColor = material.HasColorEmissive ? new float[] { material.ColorEmissive.R, material.ColorEmissive.G, material.ColorEmissive.B, material.ColorEmissive.A } : new float[] { 0.0f, 0.0f, 0.0f, 1.0f };
Gl.glMaterialfv(Gl.GL_FRONT_AND_BACK, Gl.GL_EMISSION, emissiveColor);
// Primena sjaja materijala. U slucaju da ista nije definisana, koristi se podrazumevana vrednost.
float shininess = material.HasShininess ? material.Shininess : 1.0f;
float strength = material.HasShininessStrength ? material.ShininessStrength : 1.0f;
Gl.glMaterialf(Gl.GL_FRONT_AND_BACK, Gl.GL_SHININESS, shininess * strength);
}
private Mesh <Vertex> proccessMesh(ai.Mesh mesh, ai.Scene scene)
{
//Vertex[] vertices = new Vertex[mesh.VertexCount];
//uint[] indices = new uint[mesh.FaceCount * 3];
List <Vertex> vertices = new List <Vertex>();
List <uint> indices = new List <uint>();
ImageTexture[] textures;
for (int i = 0; i < mesh.VertexCount; i++)
{
Vertex v = new Vertex();
ai.Vector3D mvp = mesh.Vertices[i];
v.Position = new vec3(mvp.X, mvp.Y, mvp.Z);
ai.Vector3D mvn = mesh.Normals[i];
v.Normal = new vec3(mvn.X, mvn.Y, mvn.Z);
ai.Vector3D mvt = mesh.Tangents[i];
v.Tangent = new vec3(mvt.X, mvt.Y, mvt.Z);
ai.Vector3D mvb = mesh.BiTangents[i];
v.Bitangent = new vec3(mvb.X, mvb.Y, mvb.Z);
if (mesh.TextureCoordinateChannelCount > 0)
{
ai.Vector3D mvc = mesh.TextureCoordinateChannels[0][i];
v.TexCoords = new vec2(mvc.X, mvc.Y);
}
else
{
v.TexCoords = new vec2(0, 0);
}
vertices.Add(v);
}
for (int i = 0; i < mesh.FaceCount; i++)
{
for (int j = 0; j < mesh.Faces[i].IndexCount; j++)
{
indices.Add((uint)mesh.Faces[i].Indices[j]);
}
}
if (mesh.MaterialIndex >= 0)
{
ai.Material material = scene.Materials[mesh.MaterialIndex];
List <ImageTexture> tempTextures = new List <ImageTexture>();
ImageTexture[] diffuse = loadMaterialTextures(material, ai.TextureType.Diffuse, TextureType.Diffuse);
tempTextures.AddRange(diffuse);
ImageTexture[] specular = loadMaterialTextures(material, ai.TextureType.Specular, TextureType.Specular);
tempTextures.AddRange(specular);
ImageTexture[] normal = loadMaterialTextures(material, ai.TextureType.Height, TextureType.Normal);
tempTextures.AddRange(normal);
textures = tempTextures.ToArray();
}
else
{
textures = new ImageTexture[0];
}
return(new ModelMesh(vertices.ToArray(), indices.ToArray(), textures));
}
