private ImageTexture[] loadMaterialTextures(ai.Material material, ai.TextureType type, TextureType textureType)
{
ImageTexture[] textures = new ImageTexture[material.GetMaterialTextureCount(type)];
for (int i = 0; i < textures.Length; i++)
{
ai.TextureSlot slot;
material.GetMaterialTexture(type, i, out slot);
string path = directory + slot.FilePath;
ImageTexture texture;
ImageTexture loaded = loadedTextures.Find(x => x.path == path);
if (loaded != null)
{
texture = loaded;
}
else
{
texture = new ImageTexture(gl, path, textureType);
loadedTextures.Add(texture);
Console.WriteLine($"Texture file path: {path}");
}
textures[i] = texture;
}
return(textures);
}
List <Texture> loadMaterialTextures(Assimp.Material mat, Assimp.TextureType type, string typeName)
{
List <Texture> textures = new List <Texture>();
for (int i = 0; i < mat.GetMaterialTextureCount(type); i++)
{
bool skip = false;
TextureSlot textureSlot;
mat.GetMaterialTexture(type, i, out textureSlot);
for (int j = 0; j < texturesLoaded.Count; j++)
{
if (texturesLoaded[j].path.CompareTo(textureSlot.FilePath) == 0)
{
skip = true;
textures.Add(texturesLoaded[j]);
break;
}
}
if (!skip)
{
Texture texture = new Texture();
texture.id = TextureFromFile(textureSlot.FilePath, directory);
texture.type = typeName;
texture.path = textureSlot.FilePath;
textures.Add(texture);
texturesLoaded.Add(texture);
}
}
return(textures);
}
/// <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 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);
}
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);
}
void ProcessMaterials(Scene scene, string directoryName, VertexMode mode)
{
for (int i = 0; i < scene.MaterialCount; i++)
{
Material mat = new Material();
Assimp.Material material = scene.Materials[i];
var diffuse = material.ColorDiffuse;
mat.diffuse = new Vec3(diffuse.R, diffuse.G, diffuse.B);
var specular = material.ColorSpecular;
mat.specular = new Vec3(specular.R, specular.G, specular.B);
var emissive = material.ColorEmissive;
mat.emissive = new Vec3(emissive.R, emissive.G, emissive.B);
float shininess = material.Shininess;
mat.shininess = shininess;
float shininessStrength = material.ShininessStrength;
mat.specular.x *= shininessStrength;
mat.specular.y *= shininessStrength;
mat.specular.z *= shininessStrength;
int numDiffuseMaps = material.GetMaterialTextureCount(TextureType.Diffuse);
int numNormalMaps = material.GetMaterialTextureCount(TextureType.Normals);
if (numDiffuseMaps > 0)
{
material.GetMaterialTexture(TextureType.Diffuse, 0, out var diffuseMapName);
Console.WriteLine(diffuseMapName.FilePath);
if (!File.Exists(diffuseMapName.FilePath) && (mode == VertexMode.TextureAndNormal || mode == VertexMode.TextureOnly))
{
var a = new ModelWorkerEventArgs()
{
Args = diffuseMapName.FilePath, EventType = ModelWorkerEventArgs.EventArgsType.TextureNotExists, Context = directoryName
};
this.OnActionCallback?.Invoke(this, a);
diffuseMapName.FilePath = a.Args.Replace(directoryName, "");
}
mat.diffuseMapName = diffuseMapName.FilePath;
}
if (numNormalMaps > 0)
{
material.GetMaterialTexture(TextureType.Normals, 0, out var normalMapName);
Console.WriteLine(normalMapName.FilePath);
if (!File.Exists(normalMapName.FilePath) && mode == VertexMode.TextureAndNormal)
{
var a = new ModelWorkerEventArgs()
{
Args = normalMapName.FilePath, EventType = ModelWorkerEventArgs.EventArgsType.TextureNotExists, Context = directoryName
};
this.OnActionCallback?.Invoke(this, a);
normalMapName.FilePath = a.Args.Replace(directoryName, "");
;
}
mat.normalMapName = normalMapName.FilePath;
}
this._materials.Add(mat);
}
}
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>
/// 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;
}
/// <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;
}
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);
}
}
