public virtual Assimp.Node assimpExport(ref Assimp.Scene scn, ref Dictionary <int, int> meshImportStatus)
{
//Default shit
//Create assimp node
Assimp.Node node = new Assimp.Node(Name);
node.Transform = MathUtils.convertMatrix(localMat);
//Handle animations maybe?
int animComponentId = hasComponent(typeof(AnimComponent));
if (animComponentId > -1)
{
AnimComponent cmp = (AnimComponent)_components[animComponentId];
cmp.assimpExport(ref scn);
}
foreach (Model child in children)
{
Assimp.Node c = child.assimpExport(ref scn, ref meshImportStatus);
node.Children.Add(c);
}
return(node);
}
private LoadedModel LoadModelOfd()
{
OpenFileDialog ofd = new OpenFileDialog();
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (ofd.CheckFileExists)
{
string dirName = Path.GetDirectoryName(ofd.FileName);
try
{
using (Assimp.AssimpContext importer = new Assimp.AssimpContext())
{
importer.SetConfig(new NormalSmoothingAngleConfig(66.0f));
Assimp.Scene model = importer.ImportFile(ofd.FileName, Assimp.PostProcessPreset.TargetRealTimeMaximumQuality);
LoadedModel loadedModel = new LoadedModel(model, dirName);
loadedModel.Name = Path.GetFileName(ofd.FileName);
return(loadedModel);
}
}
catch
{
System.Windows.MessageBox.Show("Unsupported file type.", "Error");
}
}
}
return(null);
}
public void FillScene(Assimp.Scene scene, TEX1 textures, string fileDir)
{
textures.DumpTextures(fileDir);
foreach (Material mat in m_Materials)
{
Assimp.Material assMat = new Assimp.Material();
if (mat.TextureIndices[0] != -1)
{
int texIndex = mat.TextureIndices[0];
//texIndex = m_TexRemapBlock[texIndex];
string texPath = Path.Combine(fileDir, textures[texIndex].Name + ".png");
Assimp.TextureSlot tex = new Assimp.TextureSlot(texPath, Assimp.TextureType.Diffuse, 0,
Assimp.TextureMapping.FromUV, 0, 1.0f, Assimp.TextureOperation.Add,
textures[texIndex].WrapS.ToAssImpWrapMode(), textures[texIndex].WrapT.ToAssImpWrapMode(), 0);
assMat.AddMaterialTexture(ref tex);
}
if (mat.MaterialColors[0] != null)
{
assMat.ColorDiffuse = mat.MaterialColors[0].Value.ToColor4D();
}
if (mat.AmbientColors[0] != null)
{
assMat.ColorAmbient = mat.AmbientColors[0].Value.ToColor4D();
}
scene.Materials.Add(assMat);
}
}
private bool loadFile(string path)
{
Assimp.AssimpContext importer = new Assimp.AssimpContext();
importer.SetConfig(new NormalSmoothingAngleConfig(66f));
//TODO check which other post processes we need
m_scene = importer.ImportFile(path,
Assimp.PostProcessSteps.CalculateTangentSpace
| Assimp.PostProcessSteps.GenerateNormals
| Assimp.PostProcessSteps.Triangulate
| Assimp.PostProcessSteps.JoinIdenticalVertices
| Assimp.PostProcessSteps.OptimizeMeshes);
//failed loading :(
if (!m_scene.HasMeshes)
{
textBoxInfo.Text = "No Valid Meshes found.";
return(false);
}
//display some info
string msg = "Mesh Count: " + m_scene.MeshCount.ToString()
+ Environment.NewLine + "Material count: " + m_scene.MaterialCount.ToString()
+ " (Maximum material count is 32)";
textBoxInfo.Text = msg;
buttonSave.Enabled = (m_scene.MeshCount > 0 && m_scene.MaterialCount <= maxMaterials);
return(true);
}
public JointModel(Assimp.Scene scene, AllBoneInfos allBoneInfos)
{
this.scene = scene;
this.allBoneInfos = allBoneInfos;
this.positions = GetPositions(scene);
this.transforms = GetTransforms(scene);
this.boneIndexes = GetIndexes(scene, allBoneInfos);
//this.inversedTransforms = new mat4[this.transforms.Length];
//for (int i = 0; i < this.transforms.Length; i++)
//{
// this.inversedTransforms[i] = glm.inverse(this.transforms[i]);
//}
//AllBones allBones = container.GetAllBones();
//BoneInfo[] boneInfos = allBones.boneInfos;
//mat4[] offsetMats = new mat4[this.boneIndexes.Length];
//for (int i = 0; i < this.boneIndexes.Length; i++)
//{
// int index = this.boneIndexes[i];
// if (index >= 0)
// {
// offsetMats[i] = boneInfos[index].Bone.OffsetMatrix.ToMat4();
// }
//}
//this.offsetMats = offsetMats;
//this.multiplys = new mat4[this.offsetMats.Length];
//this.inverseMutiplys = new mat4[this.offsetMats.Length];
//mat4 rootTransform = glm.inverse(scene.RootNode.Transform.ToMat4());
//for (int i = 0; i < this.offsetMats.Length; i++)
//{
// this.multiplys[i] = rootTransform * this.transforms[i] * this.offsetMats[i];
// this.inverseMutiplys[i] = this.inversedTransforms[i] * this.offsetMats[i];
//}
//Console.WriteLine("af");
}
public void ImportModel()
{
OpenFileDialog dlg = new OpenFileDialog()
{
DefaultExt = "sa1mdl", Filter = "Model Files|*.sa1mdl;*.obj;*.objf", RestoreDirectory = true
};
if (dlg.ShowDialog() == DialogResult.OK)
{
switch (Path.GetExtension(dlg.FileName).ToLowerInvariant())
{
case ".obj":
case ".fbx":
case ".dae":
case ".objf":
Assimp.AssimpContext context = new Assimp.AssimpContext();
context.SetConfig(new Assimp.Configs.FBXPreservePivotsConfig(false));
Assimp.Scene scene = context.ImportFile(dlg.FileName, Assimp.PostProcessSteps.Triangulate | Assimp.PostProcessSteps.JoinIdenticalVertices | Assimp.PostProcessSteps.FlipUVs);
NJS_OBJECT newmodel = SAEditorCommon.Import.AssimpStuff.AssimpImport(scene, scene.RootNode, ModelFormat.BasicDX, LevelData.TextureBitmaps[LevelData.leveltexs].Select(a => a.Name).ToArray(), true);
Model.Attach = newmodel.Attach;
Model.ProcessVertexData();
Mesh = Model.Attach.CreateD3DMesh();
break;
case ".sa1mdl":
ModelFile mf = new ModelFile(dlg.FileName);
Model.Attach = mf.Model.Attach;
Model.ProcessVertexData();
Mesh = Model.Attach.CreateD3DMesh();
break;
}
}
}
/// <summary>
/// Replace the geometries in the scene with the ones contained in the given Assimp scene.
/// </summary>
/// <param name="scene"></param>
public void ReplaceGeometries(Assimp.Scene scene)
{
var skinToBoneMatrices = ComputeSkinToBoneMatrices(scene);
GeometryList.Clear();
Atomics.Clear();
for (var i = 0; i < scene.Meshes.Count; i++)
{
var assimpMesh = scene.Meshes[i];
var rootNode = FindMeshRootNode(scene.RootNode, i) ?? scene.RootNode;
TransformMeshVertices(assimpMesh, rootNode);
var geometryNode = new RwGeometryNode(this, assimpMesh, scene.Materials[assimpMesh.MaterialIndex], FrameList, skinToBoneMatrices, out bool singleWeight);
GeometryList.Add(geometryNode);
var atomicNode = new RwAtomicNode(this, 0, i, 5);
if (singleWeight)
{
if (assimpMesh.Bones.Count != 0)
{
atomicNode.FrameIndex = FrameList.GetFrameIndexByName(assimpMesh.Bones[0].Name);
}
else if (rootNode != null)
{
atomicNode.FrameIndex = FrameList.GetFrameIndexByName(rootNode.Name);
}
}
Atomics.Add(atomicNode);
}
mStructNode = new RwClumpStructNode(this);
}
public MAT3(Assimp.Scene scene, TEX1 textures, SHP1 shapes)
{
InitLists();
for (int i = 0; i < scene.MeshCount; i++)
{
Assimp.Material meshMat = scene.Materials[scene.Meshes[i].MaterialIndex];
Materials.Material bmdMaterial = new Material();
bool hasVtxColor0 = shapes.Shapes[i].AttributeData.CheckAttribute(GXVertexAttribute.Color0);
int texIndex = -1;
if (meshMat.HasTextureDiffuse)
{
string texName = Path.GetFileNameWithoutExtension(meshMat.TextureDiffuse.FilePath);
texIndex = textures.Textures.IndexOf(textures[texName]);
}
bmdMaterial.SetUpTev(meshMat.HasTextureDiffuse, hasVtxColor0, texIndex);
m_Materials.Add(bmdMaterial);
m_RemapIndices.Add(i);
m_MaterialNames.Add(meshMat.Name);
}
FillMaterialDataBlocks();
}
/// <summary>
///
/// </summary>
/// <param name="aiScene"></param>
/// <param name="TimeInSeconds"></param>
/// <returns></returns>
private static mat4[] GetBoneMatrixes(Assimp.Scene aiScene, float TimeInSeconds, AllBoneInfos allBoneInfos)
{
if (aiScene.AnimationCount <= 0)
{
return(null);
}
double ticksPerSecond = aiScene.Animations[0].TicksPerSecond;
if (ticksPerSecond == 0)
{
ticksPerSecond = 25.0;
}
double timeInTicks = TimeInSeconds * ticksPerSecond;
float animationTime = (float)(timeInTicks % aiScene.Animations[0].DurationInTicks);
Assimp.Matrix4x4 transform = aiScene.RootNode.Transform;
transform.Inverse();
ReadNodeHeirarchy(animationTime, aiScene.RootNode, aiScene.Animations[0], mat4.identity(), allBoneInfos);
int boneCount = allBoneInfos.boneInfos.Length;
var result = new mat4[boneCount];
for (int i = 0; i < boneCount; i++)
{
result[i] = allBoneInfos.boneInfos[i].finalTransformation;
}
return(result);
}
public void ImportModel(string filePath, bool legacyImport = false)
{
NJS_OBJECT newmodel;
// Old OBJ import (with vcolor face) for NodeTable and legacy import
if (legacyImport)
{
newmodel = new NJS_OBJECT
{
Attach = SAModel.Direct3D.Extensions.obj2nj(filePath, LevelData.TextureBitmaps != null ? LevelData.TextureBitmaps[LevelData.leveltexs].Select(a => a.Name).ToArray() : null),
};
COL.Model.Attach = newmodel.Attach;
COL.Model.ProcessVertexData();
Visible = true;
Solid = true;
mesh = COL.Model.Attach.CreateD3DMesh();
return;
}
Assimp.AssimpContext context = new Assimp.AssimpContext();
context.SetConfig(new Assimp.Configs.FBXPreservePivotsConfig(false));
Assimp.Scene scene = context.ImportFile(filePath, Assimp.PostProcessSteps.Triangulate | Assimp.PostProcessSteps.JoinIdenticalVertices | Assimp.PostProcessSteps.FlipUVs);
newmodel = SAEditorCommon.Import.AssimpStuff.AssimpImport(scene, scene.RootNode, ModelFormat.BasicDX, LevelData.TextureBitmaps[LevelData.leveltexs].Select(a => a.Name).ToArray(), true);
COL.Model.Attach = newmodel.Attach;
COL.Model.ProcessVertexData();
Visible = true;
Solid = true;
mesh = COL.Model.Attach.CreateD3DMesh();
}
public SkeletonModel(Assimp.Scene scene, AllBoneInfos allBoneInfos)
{
this.scene = scene;
this.allBones = allBoneInfos;
GeneratePositions(scene);
GenerateBoneIndexes(this.nodes, allBoneInfos);
}
internal static void CopyNodesWithMeshes(Assimp.Scene pScene, Assimp.Node node, ref List <SceneObject> meshArr)
{
// if node has meshes, create a new scene object for it
if (node.HasMeshes)
{
foreach (int i in node.MeshIndices)
{
SceneObject so = new SceneObject();
so.nodeName = node.Name;
if (node.Parent != null)
{
so.parentNodeName = node.Parent.Name;
}
so.pMesh = pScene.Meshes[i];
so.transform = node.Transform;
so.transform.Transpose();
meshArr.Add(so);
}
}
// continue for all child nodes
if (node.HasChildren)
{
foreach (Assimp.Node childNode in node.Children)
{
CopyNodesWithMeshes(pScene, childNode, ref meshArr);
}
}
}
private void exportToAssimp(object sender, EventArgs e)
{
Debug.WriteLine("Exporting to assimp");
if (RenderState.rootObject != null)
{
Assimp.AssimpContext ctx = new Assimp.AssimpContext();
Dictionary <int, int> meshImportStatus = new Dictionary <int, int>();
Assimp.Scene aScene = new Assimp.Scene();
Assimp.Node rootNode = RenderState.rootObject.assimpExport(ref aScene, ref meshImportStatus);
aScene.RootNode = rootNode;
//add a single material for now
Assimp.Material aMat = new Assimp.Material();
aMat.Name = "testMaterial";
aScene.Materials.Add(aMat);
Assimp.ExportFormatDescription[] supported_formats = ctx.GetSupportedExportFormats();
//Assimp.Scene blenderScene = ctx.ImportFile("SimpleSkin.gltf");
//ctx.ExportFile(blenderScene, "SimpleSkin.glb", "glb2");
try
{
ctx.ExportFile(aScene, "test.glb", "glb2");
//ctx.ExportFile(aScene, "test.fbx", "fbx");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
private void OpenFile(string filename)
{
var importer = new Assimp.AssimpImporter();
Assimp.Scene aiScene = null;
try
{
aiScene = importer.ImportFile(filename, Assimp.PostProcessSteps.GenerateSmoothNormals | Assimp.PostProcessSteps.Triangulate | Assimp.PostProcessSteps.FlipUVs);
}
catch (Exception ex) { MessageBox.Show(ex.Message); return; }
var container = new AssimpSceneContainer(aiScene, filename);
CreateAnimationNodes(aiScene, container);
CreateSkeletonNode(aiScene, container);
CreateJointNode(aiScene, container);
{
this.cmbAnimationIndex.Items.Clear();
int count = container.aiScene.AnimationCount;
for (int i = 0; i < count; i++)
{
this.cmbAnimationIndex.Items.Add(string.Format("Animation {0}", i));
}
}
}
private static LandModelSA2 ConvertDisplayModel(Assimp.Scene aiScene, List <MaterialBuildInfo> materialBuildInfos, Assimp.Node aiMeshNode)
{
var displayModel = new LandModelSA2();
displayModel.Flags |= SurfaceFlags.Visible;
displayModel.RootNode = ConvertNode(aiMeshNode, aiScene.Meshes, materialBuildInfos, ConvertDisplayGeometry);
var displayGeometry = ( Geometry )displayModel.RootNode.Geometry;
displayModel.Bounds = displayGeometry.Bounds;
//var min = new Vector3( float.MaxValue, float.MaxValue, float.MaxValue );
//var max = new Vector3( float.MinValue, float.MinValue, float.MinValue );
//var modelWorldTransform = displayModel.RootNode.WorldTransform;
//foreach ( var node in displayModel.RootNode.EnumerateAllNodes() )
//{
// if ( node.Geometry == null )
// continue;
// var geometry = ( ( Geometry ) node.Geometry );
// var positionBuffer = ( VertexPositionBuffer )geometry.VertexBuffers.Single( x => x.Type == VertexAttributeType.Position );
// foreach ( var vertexPosition in positionBuffer.Elements )
// {
// var position = vertexPosition;
// min.X = Math.Min( min.X, position.X );
// min.Y = Math.Min( min.Y, position.Y );
// min.Z = Math.Min( min.Z, position.Z );
// max.X = Math.Max( max.X, position.X );
// max.Y = Math.Max( max.Y, position.Y );
// max.Z = Math.Max( max.Z, position.Z );
// }
//}
//displayModel.Bounds = Bounds.Calculate( min, max );
return(displayModel);
}
public void LoadContent(GraphicsDevice device, ContentManager content)
{
LoadData loadData = LoadMapData(device, filepath);
tiles = loadData.Tiles;
startPosition = loadData.StartPosition;
minimap = loadData.Minimap;
var importer = new Assimp.AssimpImporter();
string fileName = System.IO.Path.GetFullPath(content.RootDirectory + "/wall.3ds");
Assimp.Scene scene = importer.ImportFile(fileName, Assimp.PostProcessSteps.MakeLeftHanded);
wallModel = new Model(scene, device, content);
fileName = System.IO.Path.GetFullPath(content.RootDirectory + "/floor.3ds");
scene = importer.ImportFile(fileName, Assimp.PostProcessSteps.MakeLeftHanded);
floorModel = new Model(scene, device, content);
fileName = System.IO.Path.GetFullPath(content.RootDirectory + "/floorKey.3ds");
scene = importer.ImportFile(fileName, Assimp.PostProcessSteps.MakeLeftHanded);
floorKeyModel = new Model(scene, device, content);
fileName = System.IO.Path.GetFullPath(content.RootDirectory + "/ceiling.3ds");
scene = importer.ImportFile(fileName, Assimp.PostProcessSteps.MakeLeftHanded);
ceilingModel = new Model(scene, device, content);
fileName = System.IO.Path.GetFullPath(content.RootDirectory + "/door.3ds");
scene = importer.ImportFile(fileName, Assimp.PostProcessSteps.MakeLeftHanded);
doorModel = new Model(scene, device, content);
}
private void Clear()
{
scene = null;
materials = new List <Material>();
meshes = new List <SubMeshComponent>();
//textures = new Dictionary<string, Texture2D>();
}
public void InitAssImp(Assimp.Scene aiRoot, Scene.Entity3D root)
{
if (aiRoot.HasAnimations == false)
{
return;
}
_skeleton = CreateBoneTree(aiRoot.RootNode, null);
Console.WriteLine("Proc bones:" + _skeleton.Name + " C:" + _skeleton.Children.Count);
foreach (Assimp.Mesh mesh in aiRoot.Meshes)
{
foreach (Assimp.Bone bone in mesh.Bones)
{
if (!_bonesByName.TryGetValue(bone.Name, out Bone found))
{
continue;
}
bool skip = (from t in _bones let bname = bone.Name where t.Name == bname select t).Any();
if (skip)
{
continue;
}
found.Offset = ToTK(bone.OffsetMatrix);
_bones.Add(found);
_bonesToIndex[found.Name] = _bones.IndexOf(found);
}
Assimp.Mesh mesh1 = mesh;
foreach (string bone in _bonesByName.Keys.Where(b => mesh1.Bones.All(b1 => b1.Name != b) && b.StartsWith("Bone")))
{
_bonesByName[bone].Offset = _bonesByName[bone].Parent.Offset;
_bones.Add(_bonesByName[bone]);
_bonesToIndex[bone] = _bones.IndexOf(_bonesByName[bone]);
}
}
ExtractAnimations(aiRoot);
const float timestep = 1.0f / 30.0f;
for (int i = 0; i < Animations.Count; i++)
{
SetAnimationIndex(i);
float dt = 0.0f;
for (float ticks = 0.0f; ticks < Animations[i].Duration; ticks += Animations[i].TicksPerSecond / 30.0f)
{
dt += timestep;
Calculate(dt);
List <OpenTK.Matrix4> trans = new List <OpenTK.Matrix4>();
for (int a = 0; a < _bones.Count; a++)
{
OpenTK.Matrix4 rotMat = _bones[a].Offset * _bones[a].GlobalTransform;
trans.Add(rotMat);
}
Animations[i].Transforms.Add(trans);
}
}
Console.WriteLine("Finished loading animations with " + _bones.Count + " bones");
}
public DeviceModelCollection ReadModel(Assimp.Scene scene)
{
var factory = UseBasicEffects
? (DeviceMeshFactory) new ClassicMeshFactory(_Device)
: new PBRMeshFactory(_Device);
return(ConvertToDevice(scene, factory));
}
public void assimpExport(ref Assimp.Scene scn)
{
foreach (AnimData ad in Animations)
{
Assimp.Animation anim = ad.assimpExport(ref scn);
scn.Animations.Add(anim);
}
}
protected static Assimp.Scene CreateDefaultScene()
{
var aiScene = new Assimp.Scene {
RootNode = new Assimp.Node("RootNode")
};
return(aiScene);
}
private mat4[] GetTransforms(Assimp.Scene scene)
{
var list = new List <mat4>();
ParseNodeTransform(scene.RootNode, list, mat4.identity());
return(list.ToArray());
}
private vec3[] GetPositions(Assimp.Scene scene)
{
var list = new List <vec3>();
ParseNode(scene.RootNode, list, mat4.identity());
return(list.ToArray());
}
private int[] GetIndexes(Assimp.Scene scene, AllBoneInfos allBoneInfos)
{
Dictionary <string, uint> nameIndexDict = allBoneInfos.nameIndexDict;
var list = new List <int>();
ParseNodeIndexes(scene.RootNode, list, nameIndexDict);
return(list.ToArray());
}
private void CreateSkeletonNode(Assimp.Scene aiScene, AssimpSceneContainer container)
{
var rootElement = this.scene.RootNode;
var model = new SkeletonModel(aiScene, container.GetAllBoneInfos());
var node = SkeletonNode.Create(model);
this.skeletonNode = node;
rootElement.Children.Add(node);
}
public ModelContent CreateModelContent(Assimp.Scene scene, int armatureIndex)
{
var drawables = Flatten(scene.RootNode)
.Where(item => item.HasMeshes)
.SelectMany(item => CreateDrawableContent(item, scene.Meshes))
.ToArray();
return(new ModelContent(armatureIndex, drawables));
}
private void CreateJointNode(Assimp.Scene aiScene, AssimpSceneContainer container)
{
var rootElement = this.scene.RootNode;
var model = new JointModel(aiScene, container.GetAllBoneInfos());
var node = JointNode.Create(model);
node.DiffuseColor = Color.Red;
this.jointNode = node;
rootElement.Children.Add(node);
}
internal static Mesh3D LoadFromFile(Device device, Assimp.Scene pScene, InputElement[] ieLayout)
{
Assimp.Node root = pScene.RootNode;
List <SceneObject> meshArr = new List <SceneObject>();
CopyNodesWithMeshes(pScene, root, ref meshArr);
return(LoadFromFileSUB(device, pScene, ieLayout, meshArr));
}
public static Dictionary <int, Assimp.Node> GetAnimatedNodes(Assimp.Scene aiScene)
{
Dictionary <int, Assimp.Node> nodes = new Dictionary <int, Assimp.Node>();
foreach (var node in aiScene.RootNode.Children)
{
CollectAnimated(node, nodes);
}
return(nodes);
}
public static DeviceModelCollection ConvertToDevice(Assimp.Scene srcScene, DeviceMeshFactory meshFactory)
{
if (meshFactory == null)
{
throw new ArgumentNullException();
}
var content = ConvertToContent(srcScene);
return(DeviceModelCollection.CreateFrom(content, meshFactory.CreateMeshCollection));
}
public void SetUp()
{
var assimpNetimporter = new Assimp.AssimpContext();
Assimp.LogStream.IsVerboseLoggingEnabled = true;
var logger = new Assimp.ConsoleLogStream();
logger.Attach();
assimpNetScene = assimpNetimporter.ImportFile(filename);
logger.Detach();
var assimpSharpImporter = new AssimpSharp.FBX.FBXImporter();
assimpSharpScene = new AssimpSharp.Scene();
assimpSharpScene = assimpSharpImporter.ReadFile(filename);
}
public static Assimp.Scene ToAssimpScene(RWScene scene)
{
Assimp.Scene aiScene = new Assimp.Scene();
int drawCallIdx = 0;
int materialIdx = 0;
int totalSplitIdx = 0;
List<int> meshStartIndices = new List<int>();
foreach (RWDrawCall drawCall in scene.DrawCalls)
{
meshStartIndices.Add(totalSplitIdx);
var mesh = scene.Meshes[drawCall.MeshIndex];
var node = scene.Nodes[drawCall.NodeIndex];
int splitIdx = 0;
foreach (RWMeshMaterialSplit split in mesh.MaterialSplitData.MaterialSplits)
{
Assimp.Mesh aiMesh = new Assimp.Mesh(Assimp.PrimitiveType.Triangle);
aiMesh.Name = string.Format("DrawCall{0}_Split{1}", drawCallIdx.ToString("00"), splitIdx.ToString("00"));
aiMesh.MaterialIndex = split.MaterialIndex + materialIdx;
// get split indices
int[] indices = split.Indices;
if (mesh.MaterialSplitData.PrimitiveType == RWPrimitiveType.TriangleStrip)
indices = MeshUtilities.ToTriangleList(indices, true);
// pos & nrm
for (int i = 0; i < indices.Length; i++)
{
if (mesh.HasVertices)
{
var vert = Vector3.Transform(mesh.Vertices[indices[i]], node.WorldTransform);
aiMesh.Vertices.Add(vert.ToAssimpVector3D());
}
if (mesh.HasNormals)
{
var nrm = Vector3.TransformNormal(mesh.Normals[indices[i]], node.WorldTransform);
aiMesh.Normals.Add(nrm.ToAssimpVector3D());
}
}
// tex coords
if (mesh.HasTexCoords)
{
for (int i = 0; i < mesh.TextureCoordinateChannelCount; i++)
{
List<Assimp.Vector3D> texCoordChannel = new List<Assimp.Vector3D>();
for (int j = 0; j < indices.Length; j++)
{
texCoordChannel.Add(mesh.TextureCoordinateChannels[i][indices[j]].ToAssimpVector3D(0));
}
aiMesh.TextureCoordinateChannels[i] = texCoordChannel;
}
}
// colors
if (mesh.HasColors)
{
List<Assimp.Color4D> vertColorChannel = new List<Assimp.Color4D>();
for (int i = 0; i < indices.Length; i++)
{
var color = mesh.Colors[indices[i]];
vertColorChannel.Add(new Assimp.Color4D(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f));
}
aiMesh.VertexColorChannels[0] = vertColorChannel;
}
// generate temporary face indices
int[] tempIndices = new int[aiMesh.VertexCount];
for (int i = 0; i < aiMesh.VertexCount; i++)
tempIndices[i] = i;
aiMesh.SetIndices(tempIndices, 3);
// add the mesh to the list
aiScene.Meshes.Add(aiMesh);
splitIdx++;
}
totalSplitIdx += splitIdx;
foreach (RWMaterial mat in mesh.Materials)
{
Assimp.Material aiMaterial = new Assimp.Material();
aiMaterial.AddProperty(new Assimp.MaterialProperty(Assimp.Unmanaged.AiMatKeys.NAME, "Material" + (materialIdx++).ToString("00")));
if (mat.IsTextured)
{
aiMaterial.AddProperty(new Assimp.MaterialProperty(Assimp.Unmanaged.AiMatKeys.TEXTURE_BASE, mat.TextureReference.ReferencedTextureName + ".png", Assimp.TextureType.Diffuse, 0));
}
aiScene.Materials.Add(aiMaterial);
}
drawCallIdx++;
}
// store node lookup
Dictionary<RWSceneNode, Assimp.Node> nodeLookup = new Dictionary<RWSceneNode, Assimp.Node>();
// first create the root node
var rootNode = new Assimp.Node("SceneRoot");
rootNode.Transform = scene.Nodes[0].Transform.ToAssimpMatrix4x4();
nodeLookup.Add(scene.Nodes[0], rootNode);
for (int i = 1; i < scene.Nodes.Count - 1; i++)
{
var node = scene.Nodes[i];
string name = node.BoneMetadata.BoneNameID.ToString();
var aiNode = new Assimp.Node(name);
aiNode.Transform = node.Transform.ToAssimpMatrix4x4();
// get the associated meshes for this node
var drawCalls = scene.DrawCalls.FindAll(dc => dc.NodeIndex == i);
foreach (var drawCall in drawCalls)
{
for (int j = 0; j < scene.Meshes[drawCall.MeshIndex].MaterialCount; j++)
{
aiNode.MeshIndices.Add(meshStartIndices[scene.DrawCalls.IndexOf(drawCall)] + j);
}
}
nodeLookup[node.Parent].Children.Add(aiNode);
nodeLookup.Add(node, aiNode);
}
aiScene.RootNode = rootNode;
return aiScene;
}
