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As we can see, the saliency map can contain multiple story-points each specifying which objects in the scene are of importance , the relation between spoken words and object in the scene and the emotion of the character.for that point in the story or scene. So if NVBG is notified of a change in the scene/story, it can update the saliency map accordingly. The above example contains only one story-point but in general it can contain many. NVBG can be notified of which story-point it should load so that the appropriate priorities are assigned to the objects in the scene.
The relation between spoken words and objects in the scene can be specified with the <keywordToObjectMap> block, which contains the keyword and specifies which pawns map to it. When the character speaks those words, NVBG will make him/her gaze towards the pawn. This generates the impression that the character is aware of his environment.
You can also specify the emotion of the character using the <emotionInit> tag as shown. This emotion value can be used to change behaviors of the character, such as idle animations, facial expressions etc.
You can specify the saliency map when configuring the character. Please refer to the section above for configuring a character.
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