private IEnumerator ImportMeshes()
{
int i = 0;
foreach (Assimp.Mesh assimpMesh in scene.Meshes)
{
GlobalState.Instance.messageBox.ShowMessage("Importing Meshes : " + i + " / " + scene.MeshCount);
if (assimpMesh.HasBones)
{
isHuman = true;
}
SubMeshComponent subMeshComponent = ImportMesh(assimpMesh);
meshes.Add(subMeshComponent);
i++;
progress += 0.25f / scene.MeshCount;
if (isHuman)
{
foreach (Assimp.Bone bone in assimpMesh.Bones)
{
if (!bones.ContainsKey(bone.Name))
{
bones.Add(bone.Name, null);
}
}
}
if (!blocking)
{
yield return(null);
}
}
}
private IEnumerator ImportMeshes()
{
int i = 0;
foreach (Assimp.Mesh assimpMesh in scene.Meshes)
{
SubMeshComponent subMeshComponent = ImportMesh(assimpMesh);
meshes.Add(subMeshComponent);
i++;
progress += 0.25f / scene.MeshCount;
if (!blocking)
{
yield return(null);
}
}
}
private SubMeshComponent ImportMesh(Assimp.Mesh assimpMesh)
{
int i;
Vector3[] vertices = new Vector3[assimpMesh.VertexCount];
Vector2[][] uv = new Vector2[assimpMesh.TextureCoordinateChannelCount][];
for (i = 0; i < assimpMesh.TextureCoordinateChannelCount; i++)
{
uv[i] = new Vector2[assimpMesh.VertexCount];
}
Vector3[] normals = new Vector3[assimpMesh.VertexCount];
int[] triangles = new int[assimpMesh.FaceCount * 3];
Vector4[] tangents = null;
Color[] vertexColors = null;
i = 0;
foreach (Assimp.Vector3D v in assimpMesh.Vertices)
{
vertices[i].x = v.X;
vertices[i].y = v.Y;
vertices[i].z = v.Z;
i++;
}
for (int UVlayer = 0; UVlayer < assimpMesh.TextureCoordinateChannelCount; UVlayer++)
{
i = 0;
foreach (Assimp.Vector3D UV in assimpMesh.TextureCoordinateChannels[UVlayer])
{
uv[UVlayer][i].x = UV.X;
uv[UVlayer][i].y = UV.Y;
i++;
}
}
i = 0;
foreach (Assimp.Vector3D n in assimpMesh.Normals)
{
normals[i].x = n.X;
normals[i].y = n.Y;
normals[i].z = n.Z;
i++;
}
if (assimpMesh.HasTangentBasis)
{
i = 0;
tangents = new Vector4[assimpMesh.VertexCount];
foreach (Assimp.Vector3D t in assimpMesh.Tangents)
{
tangents[i].x = t.X;
tangents[i].y = t.Y;
tangents[i].z = t.Z;
tangents[i].w = 1f;
i++;
}
}
if (assimpMesh.VertexColorChannelCount >= 1)
{
i = 0;
vertexColors = new Color[assimpMesh.VertexCount];
foreach (Assimp.Color4D c in assimpMesh.VertexColorChannels[0])
{
vertexColors[i].r = c.R;
vertexColors[i].g = c.G;
vertexColors[i].b = c.B;
vertexColors[i].a = c.A;
i++;
}
}
i = 0;
foreach (Assimp.Face face in assimpMesh.Faces)
{
triangles[i + 0] = face.Indices[0];
triangles[i + 1] = face.Indices[1];
triangles[i + 2] = face.Indices[2];
i += 3;
}
SubMeshComponent subMeshComponent = new SubMeshComponent();
Mesh mesh = new Mesh();
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
mesh.vertices = vertices;
if (assimpMesh.TextureCoordinateChannelCount > 0)
{
mesh.uv = uv[0];
}
if (assimpMesh.TextureCoordinateChannelCount > 1)
{
mesh.uv2 = uv[1];
}
if (assimpMesh.TextureCoordinateChannelCount > 2)
{
mesh.uv3 = uv[2];
}
if (assimpMesh.TextureCoordinateChannelCount > 3)
{
mesh.uv4 = uv[3];
}
if (assimpMesh.TextureCoordinateChannelCount > 4)
{
mesh.uv5 = uv[4];
}
if (assimpMesh.TextureCoordinateChannelCount > 5)
{
mesh.uv6 = uv[5];
}
if (assimpMesh.TextureCoordinateChannelCount > 6)
{
mesh.uv7 = uv[6];
}
if (assimpMesh.TextureCoordinateChannelCount > 7)
{
mesh.uv8 = uv[7];
}
mesh.normals = normals;
if (tangents != null)
{
mesh.tangents = tangents;
}
if (vertexColors != null)
{
mesh.colors = vertexColors;
}
mesh.triangles = triangles;
mesh.RecalculateBounds();
subMeshComponent.mesh = mesh;
subMeshComponent.name = Utils.CreateUniqueName(assimpMesh.Name);
subMeshComponent.materialIndex = assimpMesh.MaterialIndex;
return(subMeshComponent);
}