A Framework for Adaptive Game Presenters with Emotions and Social Comments

Table 1

The most common messages of the communication protocol (API) for tabletop board games.

Message ID	Message content	Explanation
Start game	Number of players	New game session begins
End game	—	Current game session ends
Set initial score	Player Id, score	Defines the score with which a player starts. It may not be the same for all players since some games may adopt player characters with different abilities and starting values
Set initial lives	Player Id, total lives	Defines which the initial player life is. It may not be the same for all players since some games may adopt player characters with different abilities and starting values
Score change	Player Id, score variation	Triggered when a player’s score points changes
Lives change	Player Id, lives variation	Triggered when a player’s life changes
Extra turns	Player Id, turns variation	Notifies the presenter whenever a player loses or gains one or more turns
Turn begins	Player Id, turn number	Notifies the presenter about the current player (whose turn begins now)
Turn end	Player Id, turn number	Notifies the presenter that a player have just finished their turn
Possible paths	Player Id, number of possible paths	Triggered when a player needs to make a choice among several possible paths to proceed
Door pass; Door fail	Player Id, door Id	Triggered when a player tries to pass through a game door
Cross-point pass	Player Id, cross-point Id	Triggered when player crosses a certain point of the game path (defined by the game developer)
Pause/resume	Is paused	The game is paused/resumed
Play multimedia	Player Id, media type, media URL	The game specifically asks the presenter to reproduce a multimedia file