public ARPattern(IPluginFunctions pluginFunctions, int trackableID, int patternID)
{
float[] matrixRawArray = new float[16];
float widthRaw = 0.0f;
float heightRaw = 0.0f;
// Get the pattern local transformation and size.
if (!pluginFunctions.arwGetTrackablePatternConfig(trackableID, patternID, matrixRawArray, out widthRaw, out heightRaw, out imageSizeX, out imageSizeY))
{
throw new ArgumentException("Invalid argument", "markerID,patternID");
}
width = widthRaw * 0.001f;
height = heightRaw * 0.001f;
matrixRawArray[12] *= 0.001f; // Scale the position from artoolkitX units (mm) into Unity units (m).
matrixRawArray[13] *= 0.001f;
matrixRawArray[14] *= 0.001f;
Matrix4x4 matrixRaw = ARUtilityFunctions.MatrixFromFloatArray(matrixRawArray);
//ARController.Log("arwGetMarkerPatternConfig(" + markerID + ", " + patternID + ", ...) got matrix: [" + Environment.NewLine + matrixRaw.ToString("F3").Trim() + "]");
// artoolkitX uses right-hand coordinate system where the marker lies in x-y plane with right in direction of +x,
// up in direction of +y, and forward (towards viewer) in direction of +z.
// Need to convert to Unity's left-hand coordinate system where marker lies in x-y plane with right in direction of +x,
// up in direction of +y, and forward (towards viewer) in direction of -z.
matrix = ARUtilityFunctions.LHMatrixFromRHMatrix(matrixRaw);
// Handle pattern image.
if (imageSizeX > 0 && imageSizeY > 0)
{
// Allocate a new texture for the pattern image
texture = new Texture2D(imageSizeX, imageSizeY, TextureFormat.RGBA32, false);
texture.filterMode = FilterMode.Point;
texture.wrapMode = TextureWrapMode.Clamp;
texture.anisoLevel = 0;
// Get the pattern image data and load it into the texture
Color[] colors = new Color[imageSizeX * imageSizeY];
if (pluginFunctions.arwGetTrackablePatternImage(trackableID, patternID, colors))
{
texture.SetPixels(colors);
texture.Apply();
}
}
}
// Load the native ARTrackable structure(s) and set the UID.
public void Load()
{
lock (loadLock) {
if (this.enabled == false)
{
return;
}
//ARController.Log(LogTag + "ARTrackable.Load()");
if (UID != NO_ID)
{
return;
}
if (pluginFunctions == null || !pluginFunctions.IsInited())
{
// If arwInitialiseAR() has not yet been called, we can't load the native trackable yet.
// ARController.InitialiseAR() will trigger this again when arwInitialiseAR() has been called.
return;
}
// Work out the configuration string to pass to the native side.
string dir = Application.streamingAssetsPath;
string cfg = "";
switch (Type)
{
case TrackableType.Square:
// Multiply width by 1000 to convert from metres to artoolkitX's millimetres.
cfg = "single_buffer;" + PatternWidth * 1000.0f + ";buffer=" + PatternContents;
break;
case TrackableType.SquareBarcode:
// Multiply width by 1000 to convert from metres to artoolkitX's millimetres.
cfg = "single_barcode;" + BarcodeID + ";" + PatternWidth * 1000.0f;
break;
case TrackableType.Multimarker:
#if !UNITY_METRO
if (dir.Contains("://"))
{
// On Android, we need to unpack the StreamingAssets from the .jar file in which
// they're archived into the native file system.
dir = Application.temporaryCachePath;
if (!unpackStreamingAssetToCacheDir(MultiConfigFile))
{
dir = "";
}
else
{
//string[] unpackFiles = getPatternFiles;
//foreach (string patternFile in patternFiles) {
//if (!unpackStreamingAssetToCacheDir(patternFile)) {
// dir = "";
// break;
//}
}
}
#endif
if (!string.IsNullOrEmpty(dir) && !string.IsNullOrEmpty(MultiConfigFile))
{
cfg = "multi;" + System.IO.Path.Combine(dir, MultiConfigFile);
}
break;
case TrackableType.NFT:
#if !UNITY_METRO
if (dir.Contains("://"))
{
// On Android, we need to unpack the StreamingAssets from the .jar file in which
// they're archived into the native file system.
dir = Application.temporaryCachePath;
foreach (string ext in NFTDataExts)
{
string basename = NFTDataName + "." + ext;
if (!unpackStreamingAssetToCacheDir(basename))
{
dir = "";
break;
}
}
}
#endif
if (!string.IsNullOrEmpty(dir) && !string.IsNullOrEmpty(NFTDataName))
{
cfg = "nft;" + System.IO.Path.Combine(dir, NFTDataName);
}
break;
case TrackableType.TwoD:
#if !UNITY_METRO
if (dir.Contains("://"))
{
// On Android, we need to unpack the StreamingAssets from the .jar file in which
// they're archived into the native file system.
dir = Application.temporaryCachePath;
if (!unpackStreamingAssetToCacheDir(TwoDImageFile))
{
dir = "";
}
}
#endif
if (!string.IsNullOrEmpty(dir) && !string.IsNullOrEmpty(TwoDImageFile))
{
cfg = "2d;" + System.IO.Path.Combine(dir, TwoDImageFile) + ";" + TwoDImageWidth;
}
break;
default:
// Unknown marker type?
break;
}
// If a valid config. could be assembled, get the native side to process it, and assign the resulting ARTrackable UID.
if (!string.IsNullOrEmpty(cfg))
{
uid = pluginFunctions.arwAddTrackable(cfg);
if (UID == NO_ID)
{
ARController.Log(LogTag + "Error loading marker.");
}
else
{
// Trackable loaded. Do any additional configuration.
//ARController.Log("Added marker with cfg='" + cfg + "'");
if (Type == TrackableType.Square || Type == TrackableType.SquareBarcode)
{
UseContPoseEstimation = currentUseContPoseEstimation;
}
Filtered = currentFiltered;
FilterSampleRate = currentFilterSampleRate;
FilterCutoffFreq = currentFilterCutoffFreq;
// Retrieve any required information from the configured native ARTrackable.
if (Type == TrackableType.NFT || Type == TrackableType.TwoD)
{
if (Type == TrackableType.NFT)
{
NFTScale = currentNFTScale;
}
int imageSizeX, imageSizeY;
pluginFunctions.arwGetTrackablePatternConfig(UID, 0, null, out NFTWidth, out NFTHeight, out imageSizeX, out imageSizeY);
NFTWidth *= 0.001f;
NFTHeight *= 0.001f;
//ARController.Log("Got NFTWidth=" + NFTWidth + ", NFTHeight=" + NFTHeight + ".");
}
else
{
// Create array of patterns. A single marker will have array length 1.
int numPatterns = pluginFunctions.arwGetTrackablePatternCount(UID);
//ARController.Log("Trackable with UID=" + UID + " has " + numPatterns + " patterns.");
if (numPatterns > 0)
{
patterns = new ARPattern[numPatterns];
for (int i = 0; i < numPatterns; i++)
{
patterns[i] = new ARPattern(pluginFunctions, UID, i);
}
}
}
}
}
}
}
