private static SceneNodeContainer CreateFuseeNode(string name, TransformComponent xform, MaterialComponent mat, Mesh mesh)
{
var fuNode = new SceneNodeContainer {
Name = name
};
if (xform != null)
{
fuNode.AddComponent(xform);
}
if (mat != null)
{
fuNode.AddComponent(mat);
}
if (mesh != null)
{
fuNode.AddComponent(mesh);
}
return(fuNode);
}
/* TODO: Merge changes from morithfu/FUSEE3D branch: feat_AdvShaderCodeBuilder to FUSEE3D develop branch, to be able to use this function
* private static LightComponent GetLight(Light light)
* {
* var asLight = light;
*
* var asAmbient = new float3(asLight.ColorAmbient.R, asLight.ColorAmbient.G, asLight.ColorAmbient.B);
* var asPosition = new float3(asLight.Position.X, asLight.Position.Y, asLight.Position.Z);
* var asConeAngle = asLight.AngleOuterCone;
* var asAttenuation = asLight.AttenuationConstant;
* var asColor = new float3(asLight.ColorDiffuse.R, asLight.ColorDiffuse.G, asLight.ColorDiffuse.B);
* var asConeDirection = new float3(asLight.Direction.X, asLight.Direction.Y, asLight.Direction.Z);
* var asLightType = asLight.LightType; // Undefined = 0, Directional = 1, Point = 2, Spot = 3
*
* var fuLightType = LightType.Parallel;
*
* switch ((int) asLightType)
* {
* case 1:
* fuLightType = LightType.Point;
* break;
* case 3:
* fuLightType = LightType.Spot;
* break;
* }
*
* return new LightComponent
* {
* Active = true,
* Position = asPosition,
* ConeAngle = asConeAngle,
* ConeDirection = asConeDirection,
* Attenuation = asAttenuation,
* AmbientCoefficient = asAmbient.Length,
* Color = asColor,
* Type = fuLightType
* };
* } */
private Mesh GetMesh(int meshIndex)
{
Mesh fuMesh;
if (_meshCache.TryGetValue(meshIndex, out fuMesh))
{
return(fuMesh);
}
// no mesh in cache
var assimpMesh = _assimpScene.Meshes[meshIndex];
var meshVertices = assimpMesh.Vertices;
var meshNormals = assimpMesh.Normals;
var meshTexCords = assimpMesh.TextureCoordinateChannels;
var meshFaces = assimpMesh.Faces;
var fuMeshVerticies = new float3[meshVertices.Count];
var fuMeshNormals = new float3[meshNormals.Count];
var fuMeshTexCords = new float2[meshTexCords.Length * 2];
var fuMeshTriangles = new ushort[meshFaces.Count * 3];
for (var i = 0; i < meshVertices.Count; i++)
{
// Evaluate mesh and ...
var vertex = new float3(meshVertices[i].X, meshVertices[i].Y, meshVertices[i].Z);
var normal = new float3(meshNormals[i].X, meshNormals[i].Y, meshNormals[i].Z);
var texCord = new float2[meshTexCords.Length * meshTexCords[0].Count];
// ... evaluate and set UVs
foreach (var meshTexCord in meshTexCords)
{
for (var k = 0; k < meshTexCord.Count; k++)
{
texCord[k] = new float2(meshTexCord[k].X, meshTexCord[k].Y);
}
}
// ... add it to components of Mesh
fuMeshVerticies[i] = vertex;
fuMeshNormals[i] = normal;
fuMeshTexCords = texCord;
}
var count = 0;
// Evaluate all faces and add them all to one ushort[]
// TODO: This allocation is reversed (2, 1, 0) to satisfy FUSEE's rendering
// TODO: Change this if your vertex is culled!!
foreach (var face in meshFaces)
{
fuMeshTriangles[count] = (ushort)face.Indices[2];
fuMeshTriangles[++count] = (ushort)face.Indices[1];
fuMeshTriangles[++count] = (ushort)face.Indices[0];
++count;
}
float3 min;
float3 max;
// TODO: Test if this method works!
EvaluateAABB(fuMeshVerticies, out min, out max);
// Create new Mesh
fuMesh = new Mesh
{
Name = assimpMesh.Name,
Vertices = fuMeshVerticies,
BoundingBox = new AABBf(min, max),
Normals = fuMeshNormals,
Triangles = fuMeshTriangles,
UVs = fuMeshTexCords
};
// Add to cache
_meshCache.Add(meshIndex, fuMesh);
return(fuMesh);
}
