public static void LoadSource(this RMesh rmesh, string filename)
{
AssimpContext context = new AssimpContext();
context.SetConfig(new Assimp.Configs.FBXImportAllMaterialsConfig(true));
context.SetConfig(new Assimp.Configs.FBXImportAllGeometryLayersConfig(true));
context.SetConfig(new Assimp.Configs.MultithreadingConfig(2));
context.SetConfig(new Assimp.Configs.FBXStrictModeConfig(false));
if (!context.IsImportFormatSupported(Path.GetExtension(filename)))
{
throw new ReactorException("Attempted to load a model that Assimp doesn't know how to load");
}
LogStream log = new LogStream((msg, user) => {
RLog.Info(msg.Remove(msg.Length - 2));
});
log.Attach();
int platform = (int)Environment.OSVersion.Platform;
Scene scene = context.ImportFile(filename,
PostProcessSteps.FindInvalidData |
PostProcessSteps.GenerateSmoothNormals |
PostProcessSteps.Triangulate |
PostProcessSteps.GenerateUVCoords |
PostProcessSteps.CalculateTangentSpace |
PostProcessSteps.PreTransformVertices);
if (scene.HasMeshes)
{
foreach (Mesh mesh in scene.Meshes)
{
if (!mesh.HasVertices)
{
continue;
}
RMeshPart rmeshpart = RMeshPart.Create <RMeshPart> ();
RVertexData [] data = new RVertexData [mesh.VertexCount];
List <int> indicesList = new List <int> ();
if (mesh.HasFaces)
{
foreach (Face face in mesh.Faces)
{
indicesList.AddRange(face.Indices.ToArray());
foreach (int index in face.Indices)
{
Vector3D p = mesh.Vertices [index];
data [index].Position = new Vector3(p.X, p.Y, p.Z);
if (mesh.HasTextureCoords(0))
{
Vector3D t = mesh.TextureCoordinateChannels [0] [index];
data [index].TexCoord = new Vector2(t.X, -t.Y);
}
if (mesh.HasNormals)
{
Vector3D n = mesh.Normals [index];
data [index].Normal = new Vector3(n.X, n.Y, n.Z);
}
if (mesh.HasTangentBasis)
{
Vector3D b = mesh.BiTangents [index];
Vector3D t = mesh.Tangents [index];
data [index].Bitangent = new Vector3(b.X, b.Y, b.Z);
data [index].Tangent = new Vector3(t.X, t.Y, t.Z);
}
}
}
}
RVertexBuffer vbuffer = new RVertexBuffer(typeof(RVertexData), mesh.VertexCount, RBufferUsage.WriteOnly, true);
RIndexBuffer ibuffer = new RIndexBuffer(typeof(int), indicesList.Count, RBufferUsage.WriteOnly);
ibuffer.SetData(indicesList.ToArray());
vbuffer.SetData <RVertexData> (data);
#if WINDOWS
var separator = "\\";
#else
var separator = "/";
#endif
rmeshpart.VertexBuffer = vbuffer;
rmeshpart.IndexBuffer = ibuffer;
RMaterial material = new RMaterial(rmesh.Name + ":Material");
if (scene.HasMaterials)
{
Material mat = scene.Materials[mesh.MaterialIndex];
material.Shininess = mat.Shininess;
material.SetColor(RMaterialColor.DIFFUSE, new RColor(mat.ColorDiffuse.R, mat.ColorDiffuse.G, mat.ColorDiffuse.B, mat.ColorDiffuse.A));
if (mat.HasTextureDiffuse)
{
var texFileName = Path.GetFileName(mat.TextureDiffuse.FilePath.Replace("\\", separator).Replace("/", separator));
RTexture2D tex = (RTexture2D)RTextures.Instance.CreateTexture <RTexture2D>(texFileName, "/textures/" + texFileName.ToLower());
tex.Bind();
tex.GenerateMipmaps();
tex.SetTextureMagFilter(RTextureMagFilter.Linear);
tex.SetTextureMinFilter(RTextureMinFilter.LinearMipmapLinear);
tex.SetTextureWrapMode(RTextureWrapMode.Repeat, RTextureWrapMode.Repeat);
tex.Unbind();
material.SetTexture(RTextureLayer.DIFFUSE, tex);
}
if (mat.HasTextureNormal)
{
var texFileName = Path.GetFileName(mat.TextureNormal.FilePath.Replace("\\", separator).Replace("/", separator));
RTexture2D tex = (RTexture2D)RTextures.Instance.CreateTexture <RTexture2D>(texFileName, "/textures/" + texFileName.ToLower());
tex.Bind();
tex.GenerateMipmaps();
tex.SetTextureMagFilter(RTextureMagFilter.Linear);
tex.SetTextureMinFilter(RTextureMinFilter.LinearMipmapLinear);
tex.SetTextureWrapMode(RTextureWrapMode.Repeat, RTextureWrapMode.Repeat);
tex.Unbind();
material.SetTexture(RTextureLayer.NORMAL, tex);
}
if (mat.HasTextureAmbient)
{
var texFileName = Path.GetFileName(mat.TextureAmbient.FilePath.Replace("\\", separator).Replace("/", separator));
RTexture2D tex = (RTexture2D)RTextures.Instance.CreateTexture <RTexture2D>(texFileName, "/textures/" + texFileName.ToLower());
tex.SetTextureMagFilter(RTextureMagFilter.Linear);
tex.SetTextureMinFilter(RTextureMinFilter.LinearMipmapLinear);
tex.SetTextureWrapMode(RTextureWrapMode.Repeat, RTextureWrapMode.Repeat);
material.SetTexture(RTextureLayer.AMBIENT, tex);
}
if (mat.HasTextureHeight)
{
var texFileName = Path.GetFileName(mat.TextureHeight.FilePath.Replace("\\", separator).Replace("/", separator));
RTexture2D tex = (RTexture2D)RTextures.Instance.CreateTexture <RTexture2D>(texFileName, "/textures/" + texFileName.ToLower());
tex.SetTextureMagFilter(RTextureMagFilter.Linear);
tex.SetTextureMinFilter(RTextureMinFilter.LinearMipmapLinear);
tex.SetTextureWrapMode(RTextureWrapMode.Repeat, RTextureWrapMode.Repeat);
material.SetTexture(RTextureLayer.HEIGHT, tex);
}
if (mat.HasTextureEmissive)
{
var texFileName = Path.GetFileName(mat.TextureEmissive.FilePath.Replace("\\", separator).Replace("/", separator));
RTexture2D tex = (RTexture2D)RTextures.Instance.CreateTexture <RTexture2D>(texFileName, "/textures/" + texFileName.ToLower());
tex.SetTextureMagFilter(RTextureMagFilter.Linear);
tex.SetTextureMinFilter(RTextureMinFilter.LinearMipmapLinear);
tex.SetTextureWrapMode(RTextureWrapMode.Repeat, RTextureWrapMode.Repeat);
material.SetTexture(RTextureLayer.GLOW, tex);
}
if (mat.HasTextureSpecular)
{
var texFileName = Path.GetFileName(mat.TextureSpecular.FilePath.Replace("\\", separator).Replace("/", separator));
RTexture2D tex = (RTexture2D)RTextures.Instance.CreateTexture <RTexture2D>(texFileName, "/textures/" + texFileName.ToLower());
tex.SetTextureMagFilter(RTextureMagFilter.Linear);
tex.SetTextureMinFilter(RTextureMinFilter.LinearMipmapLinear);
tex.SetTextureWrapMode(RTextureWrapMode.Repeat, RTextureWrapMode.Repeat);
material.SetTexture(RTextureLayer.SPECULAR, tex);
}
}
rmeshpart.Material = material;
rmesh.Parts.Add(rmeshpart);
}
//return rmesh;
}
//return null;
if (rmesh.Parts.Count == 0)
{
throw new ReactorException("Attempted to load a model when Assimp couldn't find any verticies!");
}
context.Dispose();
}
public void CreateBox(Vector3 Center, Vector3 Size, bool FlipNormals)
{
RVertexData[] vertices = new RVertexData[36];
// Calculate the position of the vertices on the top face.
Vector3 topLeftFront = Position + new Vector3(-1.0f, 1.0f, -1.0f) * Size;
Vector3 topLeftBack = Position + new Vector3(-1.0f, 1.0f, 1.0f) * Size;
Vector3 topRightFront = Position + new Vector3(1.0f, 1.0f, -1.0f) * Size;
Vector3 topRightBack = Position + new Vector3(1.0f, 1.0f, 1.0f) * Size;
// Calculate the position of the vertices on the bottom face.
Vector3 btmLeftFront = Position + new Vector3(-1.0f, -1.0f, -1.0f) * Size;
Vector3 btmLeftBack = Position + new Vector3(-1.0f, -1.0f, 1.0f) * Size;
Vector3 btmRightFront = Position + new Vector3(1.0f, -1.0f, -1.0f) * Size;
Vector3 btmRightBack = Position + new Vector3(1.0f, -1.0f, 1.0f) * Size;
// Normal vectors for each face (needed for lighting / display)
Vector3 normalFront = new Vector3(0.0f, 0.0f, -1.0f) * Size;
Vector3 normalBack = new Vector3(0.0f, 0.0f, 1.0f) * Size;
Vector3 normalTop = new Vector3(0.0f, 1.0f, 0.0f) * Size;
Vector3 normalBottom = new Vector3(0.0f, -1.0f, 0.0f) * Size;
Vector3 normalLeft = new Vector3(1.0f, 0.0f, 0.0f) * Size;
Vector3 normalRight = new Vector3(-1.0f, 0.0f, 0.0f) * Size;
// UV texture coordinates
Vector2 textureTopLeft = new Vector2(1.0f * Size.X, 0.0f * Size.Y);
Vector2 textureTopRight = new Vector2(0.0f * Size.X, 0.0f * Size.Y);
Vector2 textureBottomLeft = new Vector2(1.0f * Size.X, 1.0f * Size.Y);
Vector2 textureBottomRight = new Vector2(0.0f * Size.X, 1.0f * Size.Y);
// Add the vertices for the FRONT face.
vertices[0] = new RVertexData(topLeftFront, normalFront, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[1] = new RVertexData(btmLeftFront, normalFront, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[2] = new RVertexData(topRightFront, normalFront, Vector3.Zero, Vector3.Zero, textureTopRight);
vertices[3] = new RVertexData(btmLeftFront, normalFront, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[4] = new RVertexData(btmRightFront, normalFront, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[5] = new RVertexData(topRightFront, normalFront, Vector3.Zero, Vector3.Zero, textureTopRight);
// Add the vertices for the BACK face.
vertices[6] = new RVertexData(topLeftBack, normalBack, Vector3.Zero, Vector3.Zero, textureTopRight);
vertices[7] = new RVertexData(topRightBack, normalBack, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[8] = new RVertexData(btmLeftBack, normalBack, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[9] = new RVertexData(btmLeftBack, normalBack, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[10] = new RVertexData(topRightBack, normalBack, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[11] = new RVertexData(btmRightBack, normalBack, Vector3.Zero, Vector3.Zero, textureBottomLeft);
// Add the vertices for the TOP face.
vertices[12] = new RVertexData(topLeftFront, normalTop, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[13] = new RVertexData(topRightBack, normalTop, Vector3.Zero, Vector3.Zero, textureTopRight);
vertices[14] = new RVertexData(topLeftBack, normalTop, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[15] = new RVertexData(topLeftFront, normalTop, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[16] = new RVertexData(topRightFront, normalTop, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[17] = new RVertexData(topRightBack, normalTop, Vector3.Zero, Vector3.Zero, textureTopRight);
// Add the vertices for the BOTTOM face.
vertices[18] = new RVertexData(btmLeftFront, normalBottom, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[19] = new RVertexData(btmLeftBack, normalBottom, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[20] = new RVertexData(btmRightBack, normalBottom, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[21] = new RVertexData(btmLeftFront, normalBottom, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[22] = new RVertexData(btmRightBack, normalBottom, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[23] = new RVertexData(btmRightFront, normalBottom, Vector3.Zero, Vector3.Zero, textureTopRight);
// Add the vertices for the LEFT face.
vertices[24] = new RVertexData(topLeftFront, normalLeft, Vector3.Zero, Vector3.Zero, textureTopRight);
vertices[25] = new RVertexData(btmLeftBack, normalLeft, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[26] = new RVertexData(btmLeftFront, normalLeft, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[27] = new RVertexData(topLeftBack, normalLeft, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[28] = new RVertexData(btmLeftBack, normalLeft, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[29] = new RVertexData(topLeftFront, normalLeft, Vector3.Zero, Vector3.Zero, textureTopRight);
// Add the vertices for the RIGHT face.
vertices[30] = new RVertexData(topRightFront, normalRight, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[31] = new RVertexData(btmRightFront, normalRight, Vector3.Zero, Vector3.Zero, textureBottomLeft);
vertices[32] = new RVertexData(btmRightBack, normalRight, Vector3.Zero, Vector3.Zero, textureBottomRight);
vertices[33] = new RVertexData(topRightBack, normalRight, Vector3.Zero, Vector3.Zero, textureTopRight);
vertices[34] = new RVertexData(topRightFront, normalRight, Vector3.Zero, Vector3.Zero, textureTopLeft);
vertices[35] = new RVertexData(btmRightBack, normalRight, Vector3.Zero, Vector3.Zero, textureBottomRight);
if (FlipNormals)
{
for (int i = 0; i < 36; i++)
{
vertices[i].Normal *= -1.0f;
}
}
VertexBuffer = new RVertexBuffer(typeof(RVertexData), vertices.Length,
RBufferUsage.WriteOnly);
VertexBuffer.SetData <RVertexData>(vertices);
vertices = null;
vertCount = 36;
this.Position = Center;
}
