/// Loads a MagicaVoxel model into the current model.
public void LoadMagicaModel(string magicaVoxelFile, bool retainVoxels, VoxelFactory.ColliderType colliderType, MagicaFlags flags)
{
Clear();
this.colliderType = colliderType;
PointQuadList opaqueFaces = new PointQuadList();
PointQuadList transparentFaces = new PointQuadList();
IntPtr model = OpenBoxNative.MagicaLoadModel(magicaVoxelFile, flags);
OpenBoxNative.MagicaExtractFaces(model, ref opaqueFaces, ref transparentFaces);
if (retainVoxels || colliderType != VoxelFactory.ColliderType.None)
{
// Copy voxels over to the C# side
voxels = new VoxelSet <Color32>(OpenBoxNative.MagicaModelSize(model));
OpenBoxNative.MagicaCopyVoxels(voxels.Pin(), model);
voxels.Unpin();
// TODO: Calculate colliders natively
UpdateColliders();
}
OpenBoxNative.MagicaFreeModel(model);
MakeMeshFromQuadLists(opaqueFaces, transparentFaces);
OpenBoxNative.FreeFacesHandle(opaqueFaces.handle);
OpenBoxNative.FreeFacesHandle(transparentFaces.handle);
}
/// Adds all geometry in the given quad lists to the given mesh.
static int AddMeshGeometry(PointQuadList[] quads, Mesh mesh)
{
int geometryCount = 0;
int subMeshCount = 0;
foreach (var q in quads)
{
geometryCount += q.count;
if (q.count > 0)
{
subMeshCount++;
}
}
// Flatten into mesh
Vector3[] points = new Vector3[geometryCount];
Color32[] colors = new Color32[geometryCount];
Vector2[] uvs = new Vector2[geometryCount];
var pointsHandle = GCHandle.Alloc(points, GCHandleType.Pinned);
var colorsHandle = GCHandle.Alloc(colors, GCHandleType.Pinned);
var uvsHandle = GCHandle.Alloc(uvs, GCHandleType.Pinned);
int facesFilled = 0;
for (int i = 0; i < quads.Length; ++i)
{
OpenBoxNative.CopyFaceGeometry(
quads[i].handle,
Marshal.UnsafeAddrOfPinnedArrayElement(points, facesFilled),
Marshal.UnsafeAddrOfPinnedArrayElement(uvs, facesFilled),
Marshal.UnsafeAddrOfPinnedArrayElement(colors, facesFilled)
);
}
pointsHandle.Free();
colorsHandle.Free();
uvsHandle.Free();
mesh.vertices = points;
mesh.colors32 = colors;
mesh.uv = uvs;
return(subMeshCount);
}
/// Turns the current voxel set into a mesh, replacing any currently attached mesh.
public void UpdateMesh()
{
MeshFilter mf = GetComponent <MeshFilter>();
// TODO: Remove old mesh?
PointQuadList opaqueFaces = new PointQuadList();
PointQuadList transparentFaces = new PointQuadList();
IntPtr voxelsPtr = voxels.Pin();
OpenBoxNative.ExtractFaces(voxelsPtr, voxels.Size, ref opaqueFaces, ref transparentFaces);
voxels.Unpin();
MakeMeshFromQuadLists(opaqueFaces, transparentFaces);
OpenBoxNative.FreeFacesHandle(opaqueFaces.handle);
OpenBoxNative.FreeFacesHandle(transparentFaces.handle);
}
