A Framework for Adaptive Game Presenters with Emotions and Social Comments

Table 2

A generic communication protocol between the user interface and the Presenter Intelligence components.

Message ID	Message content	Explanation
Load animations	URL	Load animations from a given path
Load audio	URL	Load audio files (sound effects and music) from a given path
Load images	URL	Load images from a given path
Set emotion expression	Expression Id	Instructs the presenter character to perform the respective facial expression for transitioning to the given emotion
Show comment	Text, position, font, size, color	Instructs the presenter to draw a text comment to screen. Arguments font, font size and color are optional
Show image	URL, position, size	The presenter is ordered to display an image on screen
Play audio	URL, volume, repetitions	The presenter is ordered to play an audio file
Notify audio finished	Audio notification Id	When the audio finishes, the presenter need to notify the intelligence framework through an appropriate notification id
Play video	URL, volume, position, size	The presenter is ordered to play a video on the screen
Notify video finished	Video notification Id	When the video finishes, the presenter needs to notify the intelligence framework via calling this given function
Play animation	Animation Id, animator	User interface framework needs to provide a way of displaying animations
Notify animation finished	Animation notification Id	When the audio stops, the presenter needs to notify the intelligence framework via calling this given function
Say comment	Comment text	Uses speech synthesis
Set background image	URL	Allows setting the background of the presenter character
Set presenter size	Size, position	The presenter character may need to change size in order to emphasize on something or in order to make room for other displaying objects (like images, videos, and animations)
Set presenter position	Position	The presenter may need to move around the screen