bool AddMesh(Node node, Mesh mesh)
{
if (!mesh || mesh.vertexCount == 0)
{
return(false);
}
if (!mesh.isReadable)
{
Debug.LogWarning("Mesh " + mesh.name + " is not readable and be ignored.");
return(false);
}
Topology topology = Topology.Triangles;
var indices = new PinnedArray <int>(mesh.triangles);
var points = new PinnedArray <Vector3>(mesh.vertices);
var normals = new PinnedArray <Vector3>(mesh.normals); if (normals.Length == 0)
{
normals = null;
}
var tangents = new PinnedArray <Vector4>(mesh.tangents); if (tangents.Length == 0)
{
tangents = null;
}
var uv = new PinnedArray <Vector2>(mesh.uv); if (uv.Length == 0)
{
uv = null;
}
var colors = new PinnedArray <Color>(mesh.colors); if (colors.Length == 0)
{
colors = null;
}
fbxeAddMesh(m_ctx, node, points.Length, points, normals, tangents, uv, colors);
fbxeAddMeshSubmesh(m_ctx, node, topology, indices.Length, indices, -1);
int blendshapeCount = mesh.blendShapeCount;
if (blendshapeCount > 0)
{
var deltaVertices = new PinnedArray <Vector3>(mesh.vertexCount);
var deltaNormals = new PinnedArray <Vector3>(mesh.vertexCount);
var deltaTangents = new PinnedArray <Vector3>(mesh.vertexCount);
for (int bi = 0; bi < blendshapeCount; ++bi)
{
string name = mesh.GetBlendShapeName(bi);
int frameCount = mesh.GetBlendShapeFrameCount(bi);
for (int fi = 0; fi < frameCount; ++fi)
{
float weight = mesh.GetBlendShapeFrameWeight(bi, fi);
mesh.GetBlendShapeFrameVertices(bi, fi, deltaVertices, deltaNormals, deltaTangents);
fbxeAddMeshBlendShape(m_ctx, node, name, weight, deltaVertices, deltaNormals, deltaTangents);
}
}
}
return(true);
}
bool AddSkinnedMesh(Node node, SkinnedMeshRenderer smr)
{
var mesh = smr.sharedMesh;
if (!AddMesh(node, mesh))
{
return(false);
}
var bones = smr.bones;
var boneNodes = new PinnedArray <Node>(bones.Length);
for (int bi = 0; bi < bones.Length; ++bi)
{
boneNodes[bi] = FindOrCreateNodeTree(bones[bi], ProcessNode);
}
var boneWeights = new PinnedArray <BoneWeight>(mesh.boneWeights);
var bindposes = new PinnedArray <Matrix4x4>(mesh.bindposes);
fbxeAddMeshSkin(m_ctx, node, boneWeights, boneNodes.Length, boneNodes, bindposes);
return(true);
}
bool AddTerrain(Node node, Terrain terrain)
{
var tdata = terrain.terrainData;
var w = tdata.heightmapResolution;
var h = tdata.heightmapResolution;
var heightmap = tdata.GetHeights(0, 0, w, h);
int vertexCount = w * h;
int indexCount = (w - 1) * (h - 1) * 2 * 3;
var vertices = new PinnedArray <Vector3>(vertexCount);
var normals = new PinnedArray <Vector3>(vertexCount);
var uv = new PinnedArray <Vector2>(vertexCount);
var indices = new PinnedArray <int>(indexCount);
fbxeGenerateTerrainMesh(heightmap, w, h, tdata.size,
vertices, normals, uv, indices);
Topology topology = Topology.Triangles;
fbxeAddMesh(m_ctx, node, vertices.Length, vertices, normals, IntPtr.Zero, uv, IntPtr.Zero);
fbxeAddMeshSubmesh(m_ctx, node, topology, indices.Length, indices, -1);
return(true);
}