/// 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);
}
public static void MakeMeshNative(string magicaVoxelFile, out Mesh mesh, out Material[] materials)
{
PointQuadList opaqueFaces = new PointQuadList();
PointQuadList transparentFaces = new PointQuadList();
IntPtr model = obx_MagicaLoadModel(magicaVoxelFile);
obx_MagicaExtractFaces(model, ref opaqueFaces, ref transparentFaces);
obx_MagicaFreeModel(model);
MakeMeshFromQuadLists(opaqueFaces, transparentFaces, out mesh, out materials);
obx_FreeFacesHandle(opaqueFaces.handle);
obx_FreeFacesHandle(transparentFaces.handle);
}
// Makes a mesh from the given voxel set.
public static void MakeMeshNative(VoxelSet <Vec4b> voxels, out Mesh mesh, out Material[] materials)
{
PointQuadList opaqueFaces = new PointQuadList();
PointQuadList transparentFaces = new PointQuadList();
IntPtr voxelsPtr = voxels.Pin();
obx_ExtractFaces(voxelsPtr, voxels.Size, ref opaqueFaces, ref transparentFaces);
voxels.Unpin();
MakeMeshFromQuadLists(opaqueFaces, transparentFaces, out mesh, out materials);
obx_FreeFacesHandle(opaqueFaces.handle);
obx_FreeFacesHandle(transparentFaces.handle);
}
/// 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);
}
void MakeMeshFromQuadLists(PointQuadList opaqueFaces, PointQuadList transparentFaces)
{
Mesh mesh = new Mesh();
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
int subMeshCount = AddMeshGeometry(new PointQuadList[] {
opaqueFaces,
transparentFaces
}, mesh);
mesh.subMeshCount = subMeshCount;
Material[] materials = new Material[subMeshCount];
int submeshIdx = 0;
int nextPointIdx = 0;
// Opaque quads
if (opaqueFaces.count > 0)
{
AddMeshIndices(opaqueFaces.count, mesh, nextPointIdx, submeshIdx);
materials[submeshIdx] = new Material(Shader.Find("Voxel/PointQuads"));
nextPointIdx += opaqueFaces.count;
submeshIdx++;
}
// Transparent quads
if (transparentFaces.count > 0)
{
AddMeshIndices(transparentFaces.count, mesh, nextPointIdx, submeshIdx);
materials[submeshIdx] = new Material(Shader.Find("Voxel/PointQuadsTransparent"));
nextPointIdx += transparentFaces.count;
submeshIdx++;
}
GetComponent <MeshRenderer>().sharedMaterials = materials;
GetComponent <MeshFilter>().sharedMesh = mesh;
}
static extern unsafe IntPtr obx_MagicaExtractFaces(IntPtr model, ref PointQuadList opaqueFaces, ref PointQuadList transparentFaces);
static extern unsafe void obx_ExtractFaces(IntPtr colors, Vec3i size, ref PointQuadList opaqueFaces, ref PointQuadList transparentFaces);
