public static Texture3D BuildTexture(byte[] data, Int3 volumeSize, Int3 volumeSizePow2)
{
var colorData = VolumeTextureUtils.ByteArrayToColor32Array(data, volumeSize, volumeSizePow2);
var tex = new Texture3D(volumeSizePow2.x, volumeSizePow2.y, volumeSizePow2.z, TextureFormat.RGBA4444, false);
tex.filterMode = FilterMode.Bilinear;
tex.wrapMode = TextureWrapMode.Clamp;
tex.SetPixels32(colorData);
tex.Apply();
return(tex);
}
public override void OnInspectorGUI()
{
var volInfo = this.target as VolumeInformation;
base.OnInspectorGUI();
if (GUILayout.Button("Bake"))
{
if (volInfo == null)
{
throw new ArgumentNullException();
}
var texPath = EditorUtility.SaveFilePanel("Save volume", Application.dataPath, "volume", "asset");
texPath = texPath.Replace(Application.dataPath, "Assets");
AssetDatabase.DeleteAsset(texPath);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
var size = Int3.zero;
var bakedSliceData = VolumeImportImages.ConvertFolderToVolume(Application.dataPath + volInfo.ImageSourceFolder,
volInfo.InferAlpha, out size);
if (volInfo.AutoSizeOnBake)
{
volInfo.Size = size;
}
var volumeSizePow2 = MathExtensions.PowerOfTwoGreaterThanOrEqualTo(volInfo.Size);
var tex3D = VolumeTextureUtils.BuildTexture(bakedSliceData, volInfo.Size, volumeSizePow2);
AssetDatabase.CreateAsset(tex3D, texPath);
AssetDatabase.SaveAssets();
volInfo.BakedTexture = AssetDatabase.LoadAssetAtPath <Texture3D>(texPath);
Debug.Log("Baked volume to: " + texPath);
EditorUtility.SetDirty(volInfo);
}
}
//private static readonly string[] ValidImageFileExtensions = { ".psd", ".tiff", ".jpg", ".tga", ".png", ".gif", ".bmp", ".iff", ".pict" };
public static byte[] ConvertFolderToVolume(string folder, bool inferAlpha, out Int3 size)
{
var imageNames = GetImagesInFolder(folder);
size = GetSizeOfVolumeFolder(folder);
var voxels = new VolumeBuffer <Color32>(size);
var tex = new Texture2D(2, 2);
int z = 0;
foreach (var imageFile in imageNames)
{
bool loaded = tex.LoadImage(FileSystemHelper.ReadBytesFromLocalFile(imageFile));
if (!loaded)
{
Debug.LogError("Couldn't load '" + imageFile + "'...");
return(null);
}
var fromPixels = tex.GetPixels32();
for (var y = 0; y < size.y; ++y)
{
for (var x = 0; x < size.x; ++x)
{
var from = fromPixels[x + (y * size.x)];
if (inferAlpha)
{
from.a = (byte)Mathf.Max(from.r, from.g, from.b);
}
voxels.SetVoxel(new Int3(x, y, z), from);
}
}
++z;
}
voxels.ClearEdges(new Color32(0, 0, 0, 0));
return(VolumeTextureUtils.Color32ArrayToByteArray(voxels.DataArray));
}
