/// <summary>
/// Remove a specific word behaviour from list and optionally destroy game object.
/// This might also remove a template, i.e. no further trackables will be augmented for a specific word or for a template
/// </summary>
public override void DestroyWordBehaviour(WordBehaviour behaviour, bool destroyGameObject = true)
{
var keys = mWordBehaviours.Keys.ToArray();
foreach (var key in keys)
{
if (mWordBehaviours[key].Contains(behaviour))
{
mWordBehaviours[key].Remove(behaviour);
// no behaviours left - delete whole list
if (mWordBehaviours[key].Count == 0)
{
mWordBehaviours.Remove(key);
}
if (destroyGameObject)
{
Object.Destroy(behaviour.gameObject);
mWordBehavioursMarkedForDeletion.Add(behaviour);
}
else
{
IEditorWordBehaviour editorTrackableBehaviour = behaviour;
editorTrackableBehaviour.UnregisterTrackable();
}
}
}
}
/// <summary>
/// Remove a specific word behaviour from list and optionally destroy game object.
/// This might also remove a template, i.e. no further trackables will be augmented for a specific word or for a template
/// </summary>
public override void DestroyWordBehaviour(WordBehaviour behaviour, bool destroyGameObject = true)
{
var keys = mWordBehaviours.Keys.ToArray();
foreach (var key in keys)
{
if (mWordBehaviours[key].Contains(behaviour))
{
mWordBehaviours[key].Remove(behaviour);
// no behaviours left - delete whole list
if (mWordBehaviours[key].Count == 0)
mWordBehaviours.Remove(key);
if (destroyGameObject)
{
Object.Destroy(behaviour.gameObject);
mWordBehavioursMarkedForDeletion.Add(behaviour);
}
else
{
IEditorWordBehaviour editorTrackableBehaviour = behaviour;
editorTrackableBehaviour.UnregisterTrackable();
}
}
}
}
private WordBehaviour AssociateWordBehaviour(WordResult wordResult, WordBehaviour wordBehaviourTemplate)
{
if (mActiveWordBehaviours.Count >= mMaxInstances)
{
return(null);
}
var word = wordResult.Word;
var wordBehaviour = wordBehaviourTemplate;
var ewb = (IEditorWordBehaviour)wordBehaviour;
ewb.SetNameForTrackable(word.StringValue);
ewb.InitializeWord(word);
mActiveWordBehaviours.Add(word.ID, wordBehaviour);
return(wordBehaviour);
}
/// <summary>
/// Associate multiple words with word behaviours. This function prefers word results that are already in the waiting queue over new words.
/// </summary>
private void AssociateWordResultsWithBehaviours()
{
//first handle all items in the waiting queue (has to be copied because it will be changed)
//new values will be added to the waiting queue inside AssociateWordBehaviour
var waitingQueue = new List <Word>(mWaitingQueue);
foreach (var word in waitingQueue)
{
if (mTrackedWords.ContainsKey(word.ID))
{
var wr = mTrackedWords[word.ID];
//the word can be removed from the waiting list because it has been associated with a behaviour
if (AssociateWordBehaviour(wr) != null)
{
mWaitingQueue.Remove(word);
}
}
else
{
//word is not tracked anymore
mWaitingQueue.Remove(word);
}
}
//handle new word results that are currently tracked
foreach (WordResult wordResult in mNewWords)
{
WordBehaviour wordBehaviour = AssociateWordBehaviour(wordResult);
//no corresponding word prefab was found. put tracked word result to waiting list
if (wordBehaviour == null)
{
mWaitingQueue.Add(wordResult.Word);
}
}
}
/// <summary>
/// Creates a text-mesh and a rectangular mesh. The size of the rectangle depends on the size of the text.
/// </summary>
private static void UpdateMesh(WordBehaviour behaviour)
{
var gameObject = behaviour.gameObject;
var editorBehaviour = (IEditorWordBehaviour) behaviour;
//get existing child-object with name "Text" or create new one
GameObject childGameObject;
var child = gameObject.transform.FindChild("Text");
if (!child)
{
childGameObject = new GameObject("Text");
childGameObject.transform.parent = gameObject.transform;
}
else
{
childGameObject = child.gameObject;
}
childGameObject.transform.localScale = Vector3.one;
childGameObject.transform.localRotation = Quaternion.AngleAxis(90.0f, Vector3.right);
childGameObject.transform.localPosition = Vector3.zero;
//disable editor-functionality including the transform-handles in the 3d editor
//childGameObject.hideFlags = HideFlags.NotEditable;
//get or create text-mesh
var textMesh = childGameObject.GetComponent<TextMesh>();
if (!textMesh)
textMesh = childGameObject.AddComponent<TextMesh>();
//load default font from resources
var fontPath = QCARUtilities.GlobalVars.FONT_PATH;
var font = (Font)AssetDatabase.LoadAssetAtPath(fontPath + "SourceSansPro.ttf", typeof(Font));
if (font != null)
{
textMesh.fontSize = 0;
textMesh.font = font;
}
else
{
//fallback when font is not available: use built-in font from unity, won't work on Android and Unity 3.5
Debug.LogWarning("Standard font for Word-prefabs were not found. You might not be able to use it during runtime.");
textMesh.font = Resources.Load("Arial", typeof(Font)) as Font;
textMesh.fontSize = 36;
}
//get or create renderer and assign material for rendering texture and set font color to black
var renderer = childGameObject.GetComponent<MeshRenderer>();
if (!renderer)
renderer = childGameObject.AddComponent<MeshRenderer>();
//copy font-material to get persistent color and shader
var material = new Material(textMesh.font.material);
material.color = Color.black;
material.shader = Shader.Find("Custom/Text3D");
renderer.sharedMaterial = material;
//define text for mesh
textMesh.text = editorBehaviour.IsTemplateMode ? "\"AnyWord\"" : editorBehaviour.SpecificWord;
//textMesh.transform.hideFlags = HideFlags.NotEditable;
//set transformation to identity for computing correct axis-aligned bounding box
var tempRotation = gameObject.transform.localRotation;
var tempScale = gameObject.transform.localScale;
var tempPosition = gameObject.transform.localPosition;
gameObject.transform.localRotation = Quaternion.identity;
gameObject.transform.localScale = Vector3.one;
gameObject.transform.localPosition = Vector3.zero;
//compute axis-aligned bounding box for resizing rectangle
var bounds = GetBoundsForAxisAlignedTextMesh(textMesh);
UpdateRectangleMesh(gameObject, bounds);
UpdateRectangleMaterial(gameObject);
//set transformation to original value
gameObject.transform.localRotation = tempRotation;
gameObject.transform.localScale = tempScale;
gameObject.transform.localPosition = tempPosition;
}
/// <summary> /// Get the word behaviour that is associated with a currently tracked word /// </summary> /// <param name="word">trackable</param> /// <param name="behaviour">resulting word behaviour, might be null if specified word is not associated to a behaviour</param> /// <returns>returns true if word behaviour exists for specified word trackable</returns> public abstract bool TryGetWordBehaviour(Word word, out WordBehaviour behaviour);
/// <summary> /// Remove a specific word behaviour from list and optionally destroy game object. /// This might also remove a template, i.e. no further trackables will be augmented for a specific word or for a template /// </summary> public abstract void DestroyWordBehaviour(WordBehaviour behaviour, bool destroyGameObject = true);
private WordBehaviour AssociateWordBehaviour(WordResult wordResult, WordBehaviour wordBehaviourTemplate)
{
if (mActiveWordBehaviours.Count >= mMaxInstances)
return null;
var word = wordResult.Word;
var wordBehaviour = wordBehaviourTemplate;
var ewb = (IEditorWordBehaviour) wordBehaviour;
ewb.SetNameForTrackable(word.StringValue);
ewb.InitializeWord(word);
mActiveWordBehaviours.Add(word.ID, wordBehaviour);
return wordBehaviour;
}
/// <summary>
/// create a new instance of the input word behaviour
/// </summary>
private static WordBehaviour InstantiateWordBehaviour(WordBehaviour input)
{
var go = Object.Instantiate(input.gameObject) as GameObject;
return go.GetComponent<WordBehaviour>();
}
/// <summary>
/// Get the word behaviour that is associated with a currently tracked word
/// </summary>
/// <param name="word">trackable</param>
/// <param name="behaviour">resulting word behaviour, might be null if specified word is not associated to a behaviour</param>
/// <returns>returns true if word behaviour exists for specified word trackable</returns>
public override bool TryGetWordBehaviour(Word word, out WordBehaviour behaviour)
{
return mActiveWordBehaviours.TryGetValue(word.ID, out behaviour);
}
/// <summary> /// Remove a specific word behaviour from list and optionally destroy game object. /// This might also remove a template, i.e. no further trackables will be augmented for a specific word or for a template /// </summary> public abstract void DestroyWordBehaviour(WordBehaviour behaviour, bool destroyGameObject = true);
/// <summary> /// Get the word behaviour that is associated with a currently tracked word /// </summary> /// <param name="word">trackable</param> /// <param name="behaviour">resulting word behaviour, might be null if specified word is not associated to a behaviour</param> /// <returns>returns true if word behaviour exists for specified word trackable</returns> public abstract bool TryGetWordBehaviour(Word word, out WordBehaviour behaviour);
/// <summary>
/// Get the word behaviour that is associated with a currently tracked word
/// </summary>
/// <param name="word">trackable</param>
/// <param name="behaviour">resulting word behaviour, might be null if specified word is not associated to a behaviour</param>
/// <returns>returns true if word behaviour exists for specified word trackable</returns>
public override bool TryGetWordBehaviour(Word word, out WordBehaviour behaviour)
{
return(mActiveWordBehaviours.TryGetValue(word.ID, out behaviour));
}
/// <summary>
/// create a new instance of the input word behaviour
/// </summary>
private static WordBehaviour InstantiateWordBehaviour(WordBehaviour input)
{
var go = Object.Instantiate(input.gameObject) as GameObject;
return(go.GetComponent <WordBehaviour>());
}
/// <summary>
/// Creates a text-mesh and a rectangular mesh. The size of the rectangle depends on the size of the text.
/// </summary>
private static void UpdateMesh(WordBehaviour behaviour)
{
var gameObject = behaviour.gameObject;
var editorBehaviour = (IEditorWordBehaviour)behaviour;
//get existing child-object with name "Text" or create new one
GameObject childGameObject;
var child = gameObject.transform.FindChild("Text");
if (!child)
{
childGameObject = new GameObject("Text");
childGameObject.transform.parent = gameObject.transform;
}
else
{
childGameObject = child.gameObject;
}
childGameObject.transform.localScale = Vector3.one;
childGameObject.transform.localRotation = Quaternion.AngleAxis(90.0f, Vector3.right);
childGameObject.transform.localPosition = Vector3.zero;
//disable editor-functionality including the transform-handles in the 3d editor
//childGameObject.hideFlags = HideFlags.NotEditable;
//get or create text-mesh
var textMesh = childGameObject.GetComponent <TextMesh>();
if (!textMesh)
{
textMesh = childGameObject.AddComponent <TextMesh>();
}
//load default font from resources
var fontPath = QCARUtilities.GlobalVars.FONT_PATH;
var font = (Font)AssetDatabase.LoadAssetAtPath(fontPath + "SourceSansPro.ttf", typeof(Font));
if (font != null)
{
textMesh.fontSize = 0;
textMesh.font = font;
}
else
{
//fallback when font is not available: use built-in font from unity, won't work on Android and Unity 3.5
Debug.LogWarning("Standard font for Word-prefabs were not found. You might not be able to use it during runtime.");
textMesh.font = Resources.Load("Arial", typeof(Font)) as Font;
textMesh.fontSize = 36;
}
//get or create renderer and assign material for rendering texture and set font color to black
var renderer = childGameObject.GetComponent <MeshRenderer>();
if (!renderer)
{
renderer = childGameObject.AddComponent <MeshRenderer>();
}
//copy font-material to get persistent color and shader
var material = new Material(textMesh.font.material);
material.color = Color.black;
material.shader = Shader.Find("Custom/Text3D");
renderer.sharedMaterial = material;
//define text for mesh
textMesh.text = editorBehaviour.IsTemplateMode ? "\"AnyWord\"" : editorBehaviour.SpecificWord;
//textMesh.transform.hideFlags = HideFlags.NotEditable;
//set transformation to identity for computing correct axis-aligned bounding box
var tempRotation = gameObject.transform.localRotation;
var tempScale = gameObject.transform.localScale;
var tempPosition = gameObject.transform.localPosition;
gameObject.transform.localRotation = Quaternion.identity;
gameObject.transform.localScale = Vector3.one;
gameObject.transform.localPosition = Vector3.zero;
//compute axis-aligned bounding box for resizing rectangle
var bounds = GetBoundsForAxisAlignedTextMesh(textMesh);
UpdateRectangleMesh(gameObject, bounds);
UpdateRectangleMaterial(gameObject);
//set transformation to original value
gameObject.transform.localRotation = tempRotation;
gameObject.transform.localScale = tempScale;
gameObject.transform.localPosition = tempPosition;
}
