public int LoadImageMarker(string fileName, string extension)
{
if (wasInitialized)
{
if (isMobile)
{
return(MobileWrapper.String_LoadImageMarker("Data/Raw/" + fileName, extension));
}
else
{
string path = Application.dataPath + "/StreamingAssets/" + fileName;
int id = DesktopWrapper.LoadImageMarker(path, extension);
if (id < 0)
{
Debug.LogWarning("Failed to load marker image \"" + path + "." + extension + "\"");
}
else
{
Debug.Log("Loaded marker image \"" + path + "." + extension + "\"");
}
return(id);
}
}
else
{
return(-1);
}
}
public uint Update()
{
if (wasInitialized)
{
if (isMobile)
{
if (Screen.orientation != currentOrientation && Time.frameCount > 1)
{
ApplyViewSettings();
MobileWrapper.String_SetProjectionAndViewport(_camera.projectionMatrix, _camera.rect, (int)(currentOrientation = Screen.orientation), _reorientIPhoneSplash);
}
markerCount = MobileWrapper.String_GetData(markerInfo, maxMarkerCount);
}
else
{
if (DesktopWrapper.IsNewFrameReady())
{
DesktopWrapper.ProcessFrame((uint)videoTextures[0].GetNativeTextureID(), 0);
markerCount = DesktopWrapper.GetDataQuaternionBased(markerInfo, maxMarkerCount);
videoPlaneObject.active = true;
}
}
}
else
{
// Write dummy output data
markerCount = 1;
markerInfo[0].DummyData();
}
return(markerCount);
}
public StringWrapper(string previewCamName, float previewCamApproxVerticalFOV, Camera camera, bool reorientIPhoneSplash, bool fullscreen, float alignment)
{
_camera = camera;
_reorientIPhoneSplash = reorientIPhoneSplash;
_fullscreen = fullscreen;
_alignment = alignment;
_previewCamApproxVerticalFOV = previewCamApproxVerticalFOV;
ApplyViewSettings();
lock (initLock)
{
for (uint i = 0; wasInstantiated && i < 10; i++)
{
System.Threading.Monitor.Exit(initLock);
System.Threading.Thread.Sleep(500);
System.Threading.Monitor.Enter(initLock);
}
if (wasInstantiated)
{
throw new System.InvalidOperationException("StringWrapper was already instantiated. Only one instance of StringWrapper may exist at any given time.");
}
wasInstantiated = true;
if (isMobile)
{
camera.clearFlags = CameraClearFlags.Nothing;
MobileWrapper.String_UnloadImageMarkers();
videoTextures = new Texture2D[] { new Texture2D(1, 1, TextureFormat.ARGB32, false), new Texture2D(1, 1, TextureFormat.ARGB32, false) };
videoTextures[0].wrapMode = TextureWrapMode.Clamp;
videoTextures[1].wrapMode = TextureWrapMode.Clamp;
MobileWrapper.String_SetVideoTextureNames((uint)videoTextures[0].GetNativeTextureID(), (uint)videoTextures[1].GetNativeTextureID());
MobileWrapper.String_SetProjectionAndViewport(camera.projectionMatrix, camera.rect, (int)Screen.orientation, reorientIPhoneSplash);
MobileWrapper.String_EnableAR(true);
wasInitialized = true;
}
else
{
try
{
InitializePreviewPlugin(previewCamName, camera);
}
catch
{
Debug.LogWarning("Couldn't initialize String preview plugin. StringWrapper will return placeholder data. " +
"If you're *not* running Unity Pro, your editor doesn't support plugins, and you can safely ignore this message. You will still be able to deploy to iOS. " +
"If you *are* running Unity Pro, please make sure you've added String.bundle from the SDK to your project.");
}
}
}
}
public static string InvokeGUIFunction(string descriptor, string[] parameters)
{
if (isMobile)
{
return(MobileWrapper.String_InvokeGUIFunction(descriptor, parameters, parameters != null ? parameters.Length : 0));
}
return(null);
}
public Texture2D GetCurrentVideoTexture(out Matrix4x4 viewToVideoTextureTransform)
{
if (isMobile)
{
uint textureName = 0;
if (MobileWrapper.String_GetCurrentVideoTexture(out textureName, out viewToVideoTextureTransform))
{
if (textureName == (uint)videoTextures[0].GetNativeTextureID())
{
return(videoTextures[0]);
}
else if (textureName == (uint)videoTextures[1].GetNativeTextureID())
{
return(videoTextures[1]);
}
else
{
return(null);
}
}
else
{
Debug.LogError("Failed to get current video texture. This feature is only available in Developer, Pro and Campaign builds of the String SDK.");
return(null);
}
}
else
{
viewToVideoTextureTransform = Matrix4x4.TRS(
new Vector3(0.5f, 0.5f, 0), Quaternion.identity,
new Vector3(0.5f * ((float)Screen.width / Screen.height) * (float)previewHeight / previewWidth, -0.5f, 0)) * _camera.projectionMatrix;
return(videoTextures[0]);
}
}
void ApplyViewSettings()
{
if (isMobile)
{
const float cameraAspectRatio = 4f / 3f;
bool landscape =
Screen.orientation == ScreenOrientation.Landscape ||
Screen.orientation == ScreenOrientation.LandscapeLeft ||
Screen.orientation == ScreenOrientation.LandscapeRight;
float aspectRatio = Screen.width / (float)Screen.height;
float halfTan = Mathf.Tan(MobileWrapper.String_GetDeviceVerticalFOV() * Mathf.PI / 360f);
if (landscape)
{
if (_fullscreen)
{
halfTan *= cameraAspectRatio / aspectRatio;
}
}
else
{
halfTan *= cameraAspectRatio;
}
_camera.fieldOfView = Mathf.Atan(halfTan) * 360f / Mathf.PI;
float orientedAlignment = _alignment;
if (Screen.orientation == ScreenOrientation.Portrait || Screen.orientation == ScreenOrientation.LandscapeRight)
{
orientedAlignment = 1f - orientedAlignment;
}
if (_fullscreen)
{
_camera.rect = new Rect(0, 0, 1, 1);
}
else
{
if (landscape)
{
float coverage = cameraAspectRatio / aspectRatio;
_camera.rect = new Rect((1 - coverage) * orientedAlignment, 0, coverage, 1);
}
else
{
float coverage = cameraAspectRatio * aspectRatio;
_camera.rect = new Rect(0, (1 - coverage) * orientedAlignment, 1, coverage);
}
}
}
else
{
_camera.fieldOfView = _previewCamApproxVerticalFOV;
_camera.rect = new Rect(0, 0, 1, 1);
}
}
